/* ============================================================
   SMART WORLD LAB — University of North Dakota
   Main Stylesheet
   ============================================================ */

/* ── Reset & Base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --primary:    #6366f1;
  --primary-d:  #4f46e5;
  --cyan:       #06b6d4;
  --green:      #10b981;
  --amber:      #f59e0b;
  --pink:       #ec4899;
  --purple:     #8b5cf6;
  --teal:       #14b8a6;
  --orange:     #f97316;
  --bg:         #020817;
  --bg2:        #0d1224;
  --bg3:        #111827;
  --surface:    #1a2035;
  --surface2:   #1f2a42;
  --border:     rgba(255,255,255,0.07);
  --text:       #e2e8f0;
  --text-muted: #8892a4;
  --text-dim:   #64748b;
  --radius:     14px;
  --radius-sm:  8px;
  --shadow:     0 8px 32px rgba(0,0,0,0.4);
  --transition: 0.3s ease;
  --font:       'Inter', system-ui, sans-serif;
}

html { scroll-behavior: smooth; font-size: 16px; background: #020817; }

body {
  font-family: var(--font);
  background: transparent;
  color: var(--text);
  line-height: 1.7;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
ul { list-style: none; }
img { max-width: 100%; display: block; }

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--primary); border-radius: 3px; }

/* ── Selection ── */
::selection { background: rgba(99,102,241,0.35); color: #fff; }

/* ── Typography helpers ── */
.gradient-text {
  background: linear-gradient(135deg, var(--primary) 0%, var(--cyan) 50%, var(--green) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── Container ── */
.container {
  width: min(1200px, 92%);
  margin-inline: auto;
}

/* ── Section common ── */
.section {
  padding: 100px 0;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--primary);
  background: rgba(99,102,241,0.08);
  border: 1px solid rgba(99,102,241,0.25);
  padding: 4px 14px;
  border-radius: 50px;
  margin-bottom: 16px;
}

.section-tag::before {
  content: '';
  display: block;
  width: 6px; height: 6px;
  background: var(--primary);
  border-radius: 50%;
  flex-shrink: 0;
  animation: tagDot 2.5s ease-in-out infinite;
}

@keyframes tagDot {
  0%,100% { opacity: 1; box-shadow: 0 0 0 0 rgba(99,102,241,0.6); }
  50%      { opacity: 0.6; box-shadow: 0 0 0 5px rgba(99,102,241,0); }
}

.section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 800;
  line-height: 1.15;
  color: #fff;
  margin-bottom: 14px;
}

.section-title.grad {
  background: linear-gradient(135deg, #fff 30%, var(--primary) 70%, var(--cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-sub {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 640px;
  margin-bottom: 56px;
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: 50px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-d));
  color: #fff;
  box-shadow: 0 4px 20px rgba(99,102,241,0.4);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(99,102,241,0.55);
}

.btn-outline {
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255,255,255,0.2);
}
.btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-2px);
}

.btn-full { width: 100%; justify-content: center; }

/* ── Reveal animation ── */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s cubic-bezier(0.25,0.46,0.45,0.94), transform 0.7s cubic-bezier(0.25,0.46,0.45,0.94);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   NAVBAR
   ============================================================ */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 18px 0;
  transition: background 0.3s, padding 0.3s, box-shadow 0.3s;
}

.navbar.scrolled {
  background: rgba(2,8,23,0.72);
  backdrop-filter: blur(28px) saturate(160%);
  -webkit-backdrop-filter: blur(28px) saturate(160%);
  padding: 12px 0;
  box-shadow: 0 1px 0 rgba(99,102,241,0.18), 0 8px 40px rgba(0,0,0,0.45);
  border-bottom: 1px solid rgba(99,102,241,0.12);
}

.nav-container {
  width: min(1200px, 92%);
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.05rem;
  font-weight: 500;
  color: #fff;
  flex-shrink: 0;
}

.logo-icon {
  width: 36px; height: 36px;
  background: linear-gradient(135deg, var(--primary), var(--cyan));
  border-radius: 10px;
  display: grid;
  place-items: center;
  font-size: 1rem;
  color: #fff;
  flex-shrink: 0;
  box-shadow: 0 0 16px rgba(99,102,241,0.4);
  animation: logoPulse 4s ease-in-out infinite;
}
@keyframes logoPulse {
  0%,100% { box-shadow: 0 0 16px rgba(99,102,241,0.4); }
  50%      { box-shadow: 0 0 28px rgba(6,182,212,0.5); }
}

.logo-text strong { font-weight: 800; }
.logo-text em {
  font-style: normal;
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-left: 2px;
}

/* ── Smart Menu nav controls ── */
.nav-controls {
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-ctrl-btn {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 7px 18px;
  border-radius: 50px;
  border: 1px solid rgba(255,255,255,0.1);
  background: rgba(255,255,255,0.05);
  color: var(--text-muted);
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
  font-family: inherit;
}
.nav-ctrl-btn:hover {
  color: #fff;
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.22);
}
.nav-ctrl-btn i { font-size: 0.88rem; }

.nav-ctrl-btn--menu {
  background: rgba(99,102,241,0.14);
  border-color: rgba(99,102,241,0.35);
  color: #fff;
}
.nav-ctrl-btn--menu:hover {
  background: rgba(99,102,241,0.28);
  border-color: rgba(99,102,241,0.7);
  box-shadow: 0 0 22px rgba(99,102,241,0.35);
}

.nav-ctrl-btn--pres {
  background: rgba(14,116,144,0.2);
  border-color: rgba(125,211,252,0.45);
  color: #e0f2fe;
}

.nav-ctrl-btn--pres:hover {
  background: rgba(14,116,144,0.35);
  border-color: rgba(125,211,252,0.7);
  box-shadow: 0 0 22px rgba(56,189,248,0.35);
}

.nav-ctrl-btn--tour {
  background: rgba(148,163,184,0.12);
  border-color: rgba(148,163,184,0.38);
  color: #cbd5e1;
}

.nav-ctrl-btn--tour:hover {
  background: rgba(148,163,184,0.24);
  border-color: rgba(148,163,184,0.65);
}

.nav-ctrl-btn--tour.is-on {
  background: rgba(16,185,129,0.2);
  border-color: rgba(52,211,153,0.68);
  color: #d1fae5;
  box-shadow: 0 0 20px rgba(16,185,129,0.28);
}

.btn-os {
  background: linear-gradient(135deg, #0e7490 0%, #0891b2 60%, #0e4f7a 100%);
  color: #fff;
  border: none;
  font-weight: 700;
  letter-spacing: 0.03em;
  position: relative;
  overflow: hidden;
  animation: osGlow 2s ease-in-out infinite;
  cursor: pointer;
}
.btn-os::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, transparent 30%, rgba(255,255,255,0.18) 100%);
  opacity: 0;
  transition: opacity 0.3s;
}
.btn-os:hover::after { opacity: 1; }
.btn-os:hover { transform: translateY(-3px); box-shadow: 0 12px 45px rgba(6,182,212,0.65); }

.btn-pres {
  background: linear-gradient(135deg, rgba(14,116,144,0.25), rgba(99,102,241,0.25));
  color: #dbeafe;
  border: 1px solid rgba(125,211,252,0.45);
}

.btn-pres:hover {
  transform: translateY(-2px);
  border-color: rgba(125,211,252,0.8);
  box-shadow: 0 10px 28px rgba(56,189,248,0.3);
}

@keyframes osGlow {
  0%,100% { box-shadow: 0 4px 20px rgba(6,182,212,0.35); }
  50%      { box-shadow: 0 4px 40px rgba(6,182,212,0.65); }
}

/* (old btn-nav / hamburger removed — replaced by smart menu) */

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 120px 20px 80px;
}

/* ── Two-column hero layout ── */
.hero-inner {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 1280px;
  margin-inline: auto;
  display: grid;
  grid-template-columns: 1fr 480px;
  align-items: center;
  gap: 60px;
}

.hero-left {
  text-align: left;
}

/* ── Hero orbit visual ── */
.hero-right {
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-orbit-wrap {
  position: relative;
  width: 420px;
  height: 420px;
  flex-shrink: 0;
  overflow: visible;
}

/* SVG ring */
.hero-orbit-svg {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  pointer-events: none;
}
.hero-ring-anim {
  stroke-dasharray: 1056;
  stroke-dashoffset: 1056;
  animation: heroRingDraw 2s cubic-bezier(0.4,0,0.2,1) 0.3s forwards;
}
@keyframes heroRingDraw {
  to { stroke-dashoffset: 0; }
}

/* center OS button */
.hero-orbit-center {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  text-decoration: none;
  z-index: 4;
}
.hoc-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(99,102,241,0.22);
  animation: hocPulse 3.2s ease-in-out infinite;
  pointer-events: none;
}
.hoc-ring--1 { inset: 0;     animation-delay: 0s; }
.hoc-ring--2 { inset: -14px; animation-delay: 0.7s; border-color: rgba(6,182,212,0.15); }
.hoc-ring--3 { inset: -28px; animation-delay: 1.4s; border-color: rgba(139,92,246,0.10); }
@keyframes hocPulse {
  0%,100% { opacity: 1;   transform: scale(1); }
  50%      { opacity: 0.3; transform: scale(1.08); }
}
.hoc-inner {
  width: 138px; height: 138px;
  border-radius: 50%;
  background: radial-gradient(circle at 40% 35%, rgba(99,102,241,0.28), rgba(13,18,36,0.96) 68%);
  border: 2px solid rgba(99,102,241,0.55);
  box-shadow: 0 0 36px rgba(99,102,241,0.35), inset 0 1px 0 rgba(255,255,255,0.08);
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 1px;
  transition: box-shadow 0.3s, border-color 0.3s;
}
.hero-orbit-center:hover .hoc-inner {
  border-color: rgba(99,102,241,1);
  box-shadow: 0 0 56px rgba(99,102,241,0.6), inset 0 1px 0 rgba(255,255,255,0.12);
}
.hoc-inner i {
  font-size: 1.5rem; color: #6366f1;
  filter: drop-shadow(0 0 10px rgba(99,102,241,0.9));
  margin-bottom: 2px;
}
.hoc-title {
  font-size: 0.8rem; font-weight: 800; color: #fff; line-height: 1.1;
}
.hoc-sub {
  font-size: 0.62rem; color: var(--text-muted); line-height: 1;
}
.hoc-launch {
  font-size: 0.6rem; font-weight: 700; color: #6366f1;
  letter-spacing: 0.06em; margin-top: 4px;
  opacity: 0; transition: opacity 0.25s;
}
.hero-orbit-center:hover .hoc-launch { opacity: 1; }

/* ── Orbit ring container (JS drives node positions) ── */
.hero-orbit-ring {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

/* Each node: anchored at center; JS sets translate */
.hon {
  position: absolute;
  top: 50%; left: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: auto;
  will-change: transform;
}

.hon-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 5px;
  cursor: default;
  transform: translate(-50%, -50%);
}

.hon-icon {
  width: 52px; height: 52px;
  border-radius: 50%;
  background: radial-gradient(circle at 40% 35%, rgba(26,32,53,0.95), rgba(13,18,36,0.95));
  border: 2px solid color-mix(in srgb, var(--nc) 50%, transparent);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
  color: var(--nc);
  box-shadow: 0 0 18px color-mix(in srgb, var(--nc) 35%, transparent),
              inset 0 1px 0 rgba(255,255,255,0.06);
  transition: box-shadow 0.3s, transform 0.3s;
}
.hon:hover .hon-icon {
  box-shadow: 0 0 32px color-mix(in srgb, var(--nc) 70%, transparent);
  transform: scale(1.14);
}
.hon-num {
  font-size: 0.58rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  color: color-mix(in srgb, var(--nc) 60%, transparent);
  line-height: 1;
}
.hon-lbl {
  font-size: 0.65rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--nc);
  text-shadow: 0 0 10px color-mix(in srgb, var(--nc) 70%, transparent);
  white-space: nowrap;
}

/* responsive */
@media (max-width: 1100px) {
  .hero-inner { grid-template-columns: 1fr 400px; gap: 40px; }
  .hero-orbit-wrap { width: 360px; height: 360px; }
  .hoc-inner { width: 118px; height: 118px; }
}
@media (max-width: 860px) {
  .hero-inner { grid-template-columns: 1fr; text-align: center; }
  .hero-left { text-align: center; }
  .hero-right { margin-top: 24px; }
  .hero-orbit-wrap { width: 340px; height: 340px; }
  .hoc-inner { width: 110px; height: 110px; }
  .hon-icon { width: 44px; height: 44px; font-size: 0.95rem; }
}
@media (max-width: 480px) {
  .hero-orbit-wrap { width: 280px; height: 280px; }
  .hoc-inner { width: 90px; height: 90px; }
  .hoc-title { font-size: 0.68rem; }
  .hon-icon { width: 36px; height: 36px; font-size: 0.8rem; }
  .hon-lbl { font-size: 0.58rem; }
  .hon-num { display: none; }
}


.hero-bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 60% at 50% 20%, rgba(99,102,241,0.22) 0%, transparent 70%),
              radial-gradient(ellipse 50% 40% at 80% 80%, rgba(6,182,212,0.12) 0%, transparent 70%);
  overflow: hidden;
}

.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 55% 35% at 15% 65%, rgba(139,92,246,0.14) 0%, transparent 65%),
    radial-gradient(ellipse 45% 30% at 85% 30%, rgba(16,185,129,0.09) 0%, transparent 65%);
  animation: auroraShift 14s ease-in-out infinite alternate;
  pointer-events: none;
}

@keyframes auroraShift {
  0%   { opacity: 1;   transform: translate(0,0) scale(1); }
  50%  { opacity: 0.7; transform: translate(-30px, 20px) scale(1.06); }
  100% { opacity: 1;   transform: translate(15px, -15px) scale(0.97); }
}

.grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(99,102,241,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(99,102,241,0.06) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, #000 40%, transparent 100%);
}

/* Constellation canvas — fixed full-page cosmic background */
.constellation-canvas {
  position: fixed;
  top: 0; left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: -1;
}

/* Floating particles — kept for potential reuse elsewhere */
.particle {
  position: absolute;
  left: var(--x); top: var(--y);
  width: calc(var(--s) * 140px);
  height: calc(var(--s) * 140px);
  border-radius: 50%;
  background: radial-gradient(circle, var(--pc, rgba(99,102,241,0.25)), transparent 70%);
  animation: float var(--d) ease-in-out infinite alternate;
  pointer-events: none;
}

@keyframes float {
  from { transform: translate(0,0) scale(1); opacity: 0.4; }
  to   { transform: translate(20px,-25px) scale(1.1); opacity: 0.8; }
}

.hero-content {
  position: relative;
  z-index: 2;
}

.hero-university {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--cyan);
  background: rgba(6,182,212,0.1);
  border: 1px solid rgba(6,182,212,0.25);
  padding: 5px 16px;
  border-radius: 50px;
  margin-bottom: 24px;
}

.hero h1 {
  font-size: clamp(2.8rem, 7vw, 5.5rem);
  font-weight: 900;
  background: linear-gradient(135deg, #fff 25%, rgba(160,163,255,0.95) 55%, rgba(6,182,212,0.9) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.05;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.hero-tagline {
  font-size: clamp(1rem, 2vw, 1.25rem);
  font-weight: 600;
  margin-bottom: 18px;
  letter-spacing: 0.01em;
}

.hero-sub {
  font-size: clamp(0.95rem, 1.5vw, 1.1rem);
  color: var(--text-muted);
  max-width: 700px;
  margin: 0 auto 36px;
  line-height: 1.75;
}

/* CPS Lifecycle strip */
.hero-lifecycle {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 36px;
}

.hero-lifecycle span {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #fff;
  background: rgba(99,102,241,0.15);
  border: 1px solid rgba(99,102,241,0.32);
  padding: 5px 14px;
  border-radius: 50px;
  transition: background 0.25s, border-color 0.25s, transform 0.25s;
}

.hero-lifecycle span:hover {
  background: rgba(99,102,241,0.28);
  border-color: rgba(99,102,241,0.6);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(99,102,241,0.3);
}

.hero-lifecycle i {
  font-size: 0.7rem;
  color: var(--text-dim);
}

.hero-actions {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 64px;
}

/* Stats strip */
.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  flex-wrap: wrap;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(99,102,241,0.2);
  border-radius: var(--radius);
  padding: 24px 32px;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  max-width: 640px;
  margin-inline: auto;
  box-shadow: 0 4px 30px rgba(0,0,0,0.3), inset 0 1px 0 rgba(255,255,255,0.06);
}

.stat {
  text-align: center;
  padding: 0 28px;
  flex: 1;
  min-width: 100px;
}

.stat-num {
  font-size: 2rem;
  font-weight: 900;
  color: #fff;
  line-height: 1;
}

.stat p {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 4px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border);
}

/* ── $10M+ Funding Goal Banner ── */
.funding-goal-banner {
  max-width: 640px;
  margin: 16px auto 0;
  display: flex;
  align-items: center;
  gap: 16px;
  background: linear-gradient(135deg, rgba(99,102,241,0.12), rgba(6,182,212,0.08));
  border: 1px solid rgba(99,102,241,0.35);
  border-radius: var(--radius);
  padding: 18px 22px;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 4px 30px rgba(99,102,241,0.12), inset 0 1px 0 rgba(255,255,255,0.06);
  position: relative;
  overflow: hidden;
}
.funding-goal-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 10% 50%, rgba(99,102,241,0.08), transparent 60%);
  pointer-events: none;
}
.fgb-pulse {
  position: absolute;
  top: 14px; left: 14px;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: #10b981;
  box-shadow: 0 0 0 0 rgba(16,185,129,0.5);
  animation: fgbPulse 1.8s ease-out infinite;
}
@keyframes fgbPulse {
  0%   { box-shadow: 0 0 0 0 rgba(16,185,129,0.5); }
  70%  { box-shadow: 0 0 0 9px rgba(16,185,129,0); }
  100% { box-shadow: 0 0 0 0 rgba(16,185,129,0); }
}
.fgb-icon {
  font-size: 2rem;
  color: #6366f1;
  filter: drop-shadow(0 0 10px rgba(99,102,241,0.6));
  flex-shrink: 0;
}
.fgb-body {
  flex: 1;
  min-width: 0;
}
.fgb-label {
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: #10b981;
  margin-bottom: 2px;
}
.fgb-amount {
  font-size: 1.9rem;
  font-weight: 900;
  color: #fff;
  line-height: 1;
  letter-spacing: -0.02em;
}
.fgb-amount span {
  color: #6366f1;
  font-size: 1.4rem;
}
.fgb-sub {
  font-size: 0.7rem;
  color: var(--text-muted);
  margin-top: 4px;
  line-height: 1.5;
}
.fgb-track-wrap {
  width: 160px;
  flex-shrink: 0;
}
.fgb-track-label {
  display: flex;
  justify-content: space-between;
  font-size: 0.65rem;
  color: var(--text-muted);
  margin-bottom: 5px;
}
.fgb-pct {
  color: #6366f1;
  font-weight: 700;
}
.fgb-track {
  height: 8px;
  background: rgba(255,255,255,0.07);
  border-radius: 99px;
  overflow: hidden;
  margin-bottom: 6px;
}
.fgb-fill {
  height: 100%;
  width: 0;
  border-radius: 99px;
  background: linear-gradient(90deg, #6366f1, #06b6d4);
  box-shadow: 0 0 8px rgba(99,102,241,0.6);
  transition: width 1.8s cubic-bezier(0.16,1,0.3,1);
}
.fgb-milestones {
  display: flex;
  justify-content: space-between;
  font-size: 0.55rem;
  color: rgba(255,255,255,0.2);
}
@media (max-width: 600px) {
  .funding-goal-banner { flex-direction: column; align-items: flex-start; }
  .fgb-track-wrap { width: 100%; }
}



/* Scroll indicator */
.scroll-down {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  width: 38px; height: 38px;
  border: 2px solid rgba(99,102,241,0.25);
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: var(--primary);
  font-size: 0.75rem;
  animation: bounce 2s ease-in-out infinite;
  z-index: 2;
  background: rgba(99,102,241,0.07);
  backdrop-filter: blur(4px);
}

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50%       { transform: translateX(-50%) translateY(8px); }
}

/* ============================================================
   ABOUT
   ============================================================ */
.about { background: rgba(13,18,36,0.82); }

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.about-text .lead {
  font-size: 1.15rem;
  color: #d1d9e6;
  font-weight: 500;
  margin-bottom: 20px;
  line-height: 1.75;
}

.about-text p {
  color: var(--text-muted);
  margin-bottom: 16px;
}

.about-highlights {
  margin-top: 32px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.highlight-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 14px 18px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  transition: var(--transition);
}
.highlight-item:hover { border-color: rgba(99,102,241,0.35); background: var(--surface2); box-shadow: 0 4px 20px rgba(99,102,241,0.1); transform: translateX(3px); }

.highlight-item > i {
  font-size: 1.1rem;
  color: var(--primary);
  margin-top: 2px;
  flex-shrink: 0;
}

.highlight-item strong {
  display: block;
  font-size: 0.9rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 2px;
}

.highlight-item span {
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* About visual – orbital diagram */
.about-visual {
  position: relative;
  width: 100%;
  aspect-ratio: 1;
  max-width: 420px;
  margin-inline: auto;
}

.visual-center {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%,-50%);
  width: 110px; height: 110px;
  background: linear-gradient(135deg, var(--primary), var(--primary-d));
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  box-shadow: 0 0 40px rgba(99,102,241,0.5);
  z-index: 3;
}
.visual-center i { font-size: 1.5rem; color: #fff; }
.visual-center span { font-size: 0.6rem; font-weight: 700; color: rgba(255,255,255,0.85); letter-spacing: 0.06em; text-transform: uppercase; }

.visual-card {
  position: absolute;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  width: 88px; height: 88px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 10px;
  justify-content: center;
  transition: var(--transition);
  z-index: 2;
}
.visual-card:hover { border-color: var(--primary); transform: scale(1.06); }
.visual-card i { font-size: 1.2rem; color: var(--primary); }
.visual-card span { font-size: 0.58rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; color: var(--text-muted); text-align: center; }

.vc1 { top: 5%; left: 50%; transform: translateX(-50%); animation: orbit1 8s linear infinite; }
.vc2 { top: 50%; right: 5%; transform: translateY(-50%); animation: orbit2 9s linear infinite; }
.vc3 { bottom: 5%; left: 50%; transform: translateX(-50%); animation: orbit3 7s linear infinite; }
.vc4 { top: 50%; left: 5%; transform: translateY(-50%); animation: orbit4 10s linear infinite; }

@keyframes orbit1 { 0%,100% { top: 4%; } 50% { top: 8%; } }
@keyframes orbit2 { 0%,100% { right: 4%; } 50% { right: 8%; } }
@keyframes orbit3 { 0%,100% { bottom: 4%; } 50% { bottom: 8%; } }
@keyframes orbit4 { 0%,100% { left: 4%; } 50% { left: 8%; } }

/* Summary box */
.summary-box {
  margin-top: 64px;
  display: flex;
  gap: 24px;
  align-items: flex-start;
  background: linear-gradient(135deg, rgba(99,102,241,0.1), rgba(6,182,212,0.06));
  border: 1px solid rgba(99,102,241,0.25);
  border-radius: var(--radius);
  padding: 32px 36px;
  backdrop-filter: blur(8px);
  box-shadow: 0 4px 30px rgba(99,102,241,0.08), inset 0 1px 0 rgba(255,255,255,0.05);
}

.summary-icon {
  width: 52px; height: 52px;
  flex-shrink: 0;
  background: rgba(99,102,241,0.15);
  border-radius: 12px;
  display: grid;
  place-items: center;
  font-size: 1.3rem;
  color: var(--primary);
}

.summary-content h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 10px;
}
.summary-content p { color: var(--text-muted); font-size: 0.95rem; line-height: 1.75; }
.summary-content strong { color: #fff; }

/* ============================================================
   MISSION & VISION
   ============================================================ */
.mission-vision { background: rgba(2,8,23,0.78); }

.mv-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.mv-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px 26px;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.mv-card:hover {
  border-color: color-mix(in srgb, var(--clr) 38%, transparent);
  transform: translateY(-5px);
  box-shadow: 0 12px 40px color-mix(in srgb, var(--clr) 18%, transparent), 0 4px 16px rgba(0,0,0,0.4);
}

.mv-icon {
  width: 54px;
  height: 54px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  color: var(--clr);
  font-size: 1.25rem;
  margin-bottom: 14px;
  background: color-mix(in srgb, var(--clr) 13%, transparent);
  border: 1px solid color-mix(in srgb, var(--clr) 28%, transparent);
}

.mv-card h3 {
  font-size: 1.2rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 10px;
}

.mv-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 16px;
  flex-shrink: 0;
}

.mv-card ul {
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.mv-card li {
  font-size: 0.82rem;
  color: var(--text-muted);
  display: flex;
  align-items: flex-start;
  gap: 8px;
  line-height: 1.6;
}

.mv-card li i {
  color: var(--clr);
  font-size: 0.74rem;
  margin-top: 5px;
  flex-shrink: 0;
}

/* ── Enhanced mission/vision card ── */
.mv-enhanced {
  position: relative;
  overflow: hidden;
  border: 1px solid color-mix(in srgb, var(--clr) 30%, transparent);
  background: linear-gradient(145deg,rgba(26,32,53,0.92),rgba(13,18,36,0.92));
}
.mv-enhanced::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 20% 0%,color-mix(in srgb,var(--clr) 10%,transparent) 0%,transparent 60%);
  pointer-events: none;
}
.mv-shimmer {
  position: absolute;
  top: -60%; left: -60%;
  width: 40%; height: 200%;
  background: linear-gradient(105deg,transparent 40%,rgba(255,255,255,0.06) 50%,transparent 60%);
  animation: mvShimmer 3.6s infinite;
  pointer-events: none;
}
@keyframes mvShimmer {
  0%   { transform: translateX(-100%) skewX(-20deg); }
  100% { transform: translateX(500%)  skewX(-20deg); }
}
.mv-pulse {
  position: relative;
}
.mv-pulse::after {
  content: '';
  position: absolute;
  inset: -6px;
  border-radius: 18px;
  border: 1.5px solid var(--clr);
  opacity: 0;
  animation: mvPulse 2.4s ease-out infinite;
}
@keyframes mvPulse {
  0%   { opacity: 0.6; transform: scale(1); }
  100% { opacity: 0;   transform: scale(1.55); }
}

/* ── Animated bullet list ── */
.mv-bullets {
  display: flex;
  flex-direction: column;
  gap: 10px;
  list-style: none;
  padding: 0;
  margin-bottom: 22px;
}
.mv-bullets li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.65;
  opacity: 0;
  transform: translateX(-14px);
  transition: opacity 0.45s ease, transform 0.45s ease;
}
.mv-enhanced.visible .mv-bullets li:nth-child(1) { opacity:1; transform:none; transition-delay:0.15s; }
.mv-enhanced.visible .mv-bullets li:nth-child(2) { opacity:1; transform:none; transition-delay:0.28s; }
.mv-enhanced.visible .mv-bullets li:nth-child(3) { opacity:1; transform:none; transition-delay:0.41s; }
.mv-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--clr);
  flex-shrink: 0;
  margin-top: 6px;
  box-shadow: 0 0 6px var(--clr);
}

/* ── Mission counter row ── */
.mv-counters {
  display: flex;
  gap: 0;
  border-top: 1px solid var(--border);
  padding-top: 18px;
  margin-top: auto;
}
.mv-count-item {
  flex: 1;
  text-align: center;
  border-right: 1px solid var(--border);
  padding: 4px 0;
}
.mv-count-item:last-child { border-right: none; }
.mv-count-item .stat-num {
  font-size: 1.65rem;
  font-weight: 900;
  color: var(--clr);
  line-height: 1;
}
.mv-count-plus {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--clr);
  vertical-align: top;
  line-height: 2;
}
.mv-count-label {
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-top: 4px;
}

/* ── Vision progress bars ── */
.mv-bars {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-top: auto;
  padding-top: 6px;
}
.mv-bar-row { display: flex; flex-direction: column; gap: 5px; }
.mv-bar-label {
  display: flex;
  justify-content: space-between;
  font-size: 0.78rem;
  color: var(--text-muted);
}
.mv-bar-pct { color: var(--clr); font-weight: 700; }
.mv-bar-track {
  height: 6px;
  background: rgba(255,255,255,0.07);
  border-radius: 99px;
  overflow: hidden;
}
.mv-bar-fill {
  height: 100%;
  width: 0;
  border-radius: 99px;
  background: linear-gradient(90deg, var(--clr), color-mix(in srgb, var(--clr) 60%, #fff));
  box-shadow: 0 0 8px var(--clr);
  transition: width 1.2s cubic-bezier(0.16,1,0.3,1);
}

/* ============================================================
   5-YEAR ROADMAP
   ============================================================ */
.roadmap { background: rgba(2,8,23,0.80); }

/* overall progress */
.rm-overall { margin-bottom: 36px; }
.rm-overall-label {
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 8px;
}
.rm-overall-pct { color: var(--primary); font-weight: 700; }
.rm-overall-track {
  position: relative;
  height: 10px;
  background: rgba(255,255,255,0.07);
  border-radius: 99px;
  overflow: visible;
}
.rm-overall-fill {
  height: 100%;
  width: 0;
  border-radius: 99px;
  background: linear-gradient(90deg,#6366f1,#06b6d4,#10b981,#f59e0b,#ec4899);
  box-shadow: 0 0 14px rgba(99,102,241,0.6);
  transition: width 1.4s cubic-bezier(0.16,1,0.3,1);
}
.rm-year-markers {
  display: flex;
  justify-content: space-between;
  padding: 6px 0 0;
  font-size: 0.68rem;
  color: rgba(255,255,255,0.25);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* tabs */
.rm-tabs {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 28px;
}
.rm-tab {
  flex: 1;
  min-width: 130px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  padding: 14px 10px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: rgba(26,32,53,0.6);
  cursor: pointer;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.rm-tab::before {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 2px;
  background: var(--clr);
  transform: scaleX(0);
  transition: transform 0.3s ease;
  border-radius: 0 0 14px 14px;
}
.rm-tab:hover { border-color: color-mix(in srgb, var(--clr) 40%, transparent); transform: translateY(-2px); }
.rm-tab--active,
.rm-tab.rm-tab--active {
  border-color: color-mix(in srgb, var(--clr) 55%, transparent);
  background: color-mix(in srgb, var(--clr) 10%, rgba(26,32,53,0.9));
  box-shadow: 0 4px 24px color-mix(in srgb, var(--clr) 20%, transparent);
}
.rm-tab--active::before,
.rm-tab.rm-tab--active::before { transform: scaleX(1); }
.rm-tab-yr {
  font-size: 1rem;
  font-weight: 800;
  color: var(--clr);
}
.rm-tab-range {
  font-size: 0.65rem;
  color: var(--text-muted);
}
.rm-tab-theme {
  font-size: 0.7rem;
  font-weight: 600;
  color: rgba(255,255,255,0.7);
  text-align: center;
}

/* panels */
.rm-panel { display: block; }
.rm-panel--hidden { display: none; }

/* quarters grid */
.rm-quarters {
  display: grid;
  grid-template-columns: repeat(4,1fr);
  gap: 18px;
}
.rm-quarter {
  background: rgba(26,32,53,0.7);
  border: 1px solid color-mix(in srgb, var(--qclr) 22%, transparent);
  border-radius: 14px;
  padding: 20px 18px;
  position: relative;
  transition: var(--transition);
  overflow: hidden;
}
.rm-quarter::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--qclr), color-mix(in srgb, var(--qclr) 50%, transparent));
  border-radius: 14px 14px 0 0;
}
.rm-quarter:hover {
  border-color: color-mix(in srgb, var(--qclr) 50%, transparent);
  transform: translateY(-4px);
  box-shadow: 0 12px 36px color-mix(in srgb, var(--qclr) 15%, transparent);
}
.rm-q-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
  flex-wrap: wrap;
}
.rm-q-badge {
  background: color-mix(in srgb, var(--qclr) 18%, transparent);
  border: 1px solid color-mix(in srgb, var(--qclr) 40%, transparent);
  color: var(--qclr);
  font-size: 0.7rem;
  font-weight: 800;
  padding: 2px 10px;
  border-radius: 99px;
  letter-spacing: 0.04em;
}
.rm-q-dates {
  font-size: 0.65rem;
  color: var(--text-muted);
}
.rm-quarter h4 {
  font-size: 0.95rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 12px;
  line-height: 1.3;
}
.rm-milestones {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.rm-milestones li {
  font-size: 0.78rem;
  color: var(--text-muted);
  line-height: 1.55;
  padding-left: 14px;
  position: relative;
}
.rm-milestones li::before {
  content: '';
  position: absolute;
  left: 0; top: 7px;
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--qclr);
  box-shadow: 0 0 4px var(--qclr);
}
.rm-q-status {
  margin-top: 14px;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 99px;
  display: inline-block;
}
.rm-q-status--active {
  background: rgba(16,185,129,0.15);
  border: 1px solid rgba(16,185,129,0.4);
  color: #10b981;
  animation: statusPulse 2s ease-in-out infinite;
}
@keyframes statusPulse {
  0%,100% { box-shadow: 0 0 0 0 rgba(16,185,129,0.3); }
  50%      { box-shadow: 0 0 0 5px rgba(16,185,129,0); }
}

/* responsive */
@media (max-width: 900px) {
  .rm-quarters { grid-template-columns: repeat(2,1fr); }
  .rm-tabs { gap: 8px; }
  .rm-tab { min-width: 100px; padding: 12px 8px; }
}
@media (max-width: 580px) {
  .rm-quarters { grid-template-columns: 1fr; }
  .rm-tabs { flex-direction: column; }
  .rm-tab { flex-direction: row; gap: 10px; align-items: center; }
}

/* ============================================================
   STORYBOARD
   ============================================================ */
.storyboard { background: rgba(2,8,23,0.82); }

.sb-overview {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 18px;
}

.sb-overview-card {
  background: linear-gradient(145deg, rgba(26,32,53,0.88), rgba(13,18,36,0.88));
  border: 1px solid color-mix(in srgb, var(--sclr, #6366f1) 24%, transparent);
  border-radius: 14px;
  padding: 14px 16px;
}

.sb-overview-card strong {
  display: block;
  font-size: 1rem;
  color: #fff;
  margin-bottom: 4px;
}

.sb-overview-card span {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.sb-track {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 22px;
}

.sb-track-btn {
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.03);
  color: var(--text-muted);
  border-radius: 99px;
  padding: 6px 14px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  transition: var(--transition);
}

.sb-track-btn:hover,
.sb-track-btn--active {
  color: #fff;
  border-color: rgba(99,102,241,0.5);
  background: rgba(99,102,241,0.16);
}

.sb-timeline {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0;
  padding: 10px 0 20px;
}

/* centre spine */
.sb-timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0; bottom: 0;
  width: 2px;
  background: linear-gradient(180deg,#6366f1,#06b6d4,#10b981,#f59e0b,#ec4899);
  transform: translateX(-50%);
  opacity: 0.35;
}

.sb-item {
  display: flex;
  align-items: flex-start;
  gap: 28px;
  width: 50%;
  padding-bottom: 50px;
  position: relative;
}
.sb-item--left  { align-self: flex-start; padding-right: 52px; }
.sb-item--right { align-self: flex-end;   padding-left:  52px; flex-direction: row-reverse; }
.sb-item--focus .sb-card {
  border-color: color-mix(in srgb, var(--sclr,#6366f1) 58%, transparent);
  box-shadow: 0 16px 42px color-mix(in srgb, var(--sclr,#6366f1) 20%, transparent);
}

/* node circle on spine */
.sb-node {
  position: absolute;
  right: -24px;
  top: 6px;
  width: 48px; height: 48px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  z-index: 2;
}
.sb-item--right .sb-node { right: auto; left: -24px; }
.sb-node-inner {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--surface);
  border: 2px solid color-mix(in srgb, var(--sclr,#6366f1) 60%, transparent);
  display: flex; align-items: center; justify-content: center;
  color: var(--sclr, #6366f1);
  font-size: 1rem;
  box-shadow: 0 0 18px color-mix(in srgb, var(--sclr,#6366f1) 35%, transparent);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.sb-item:hover .sb-node-inner {
  transform: scale(1.15);
  box-shadow: 0 0 28px color-mix(in srgb, var(--sclr,#6366f1) 55%, transparent);
}
.sb-node--future .sb-node-inner {
  background: rgba(236,72,153,0.08);
  border-style: dashed;
  opacity: 0.75;
}

/* chapter cards */
.sb-card {
  background: linear-gradient(145deg,rgba(26,32,53,0.92),rgba(13,18,36,0.92));
  border: 1px solid color-mix(in srgb, var(--sclr,#6366f1) 25%, transparent);
  border-radius: 16px;
  padding: 22px 22px 18px;
  flex: 1;
  position: relative;
  overflow: hidden;
  transition: var(--transition);
}
.sb-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 0% 0%, color-mix(in srgb, var(--sclr,#6366f1) 8%, transparent), transparent 55%);
  pointer-events: none;
}
.sb-card:hover {
  border-color: color-mix(in srgb, var(--sclr,#6366f1) 50%, transparent);
  transform: translateY(-3px);
  box-shadow: 0 14px 40px color-mix(in srgb, var(--sclr,#6366f1) 14%, transparent);
}
.sb-card--future {
  border-style: dashed;
  opacity: 0.85;
}

/* arrow pointer toward spine */
.sb-item--left .sb-card::after {
  content: '';
  position: absolute;
  right: -9px; top: 18px;
  width: 0; height: 0;
  border-top: 9px solid transparent;
  border-bottom: 9px solid transparent;
  border-left: 9px solid color-mix(in srgb, var(--sclr,#6366f1) 22%, rgba(26,32,53,0.92));
}
.sb-item--right .sb-card::after {
  content: '';
  position: absolute;
  left: -9px; top: 18px;
  width: 0; height: 0;
  border-top: 9px solid transparent;
  border-bottom: 9px solid transparent;
  border-right: 9px solid color-mix(in srgb, var(--sclr,#6366f1) 22%, rgba(26,32,53,0.92));
}

.sb-chapter {
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--sclr,#6366f1);
  margin-bottom: 6px;
}
.sb-card h3 {
  font-size: 1.15rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 4px;
}
.sb-year {
  font-size: 0.72rem;
  color: var(--sclr,#6366f1);
  font-weight: 600;
  margin-bottom: 10px;
}
.sb-card > p:not(.sb-year) {
  font-size: 0.86rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 14px;
}

.sb-points {
  list-style: none;
  margin: 0 0 14px;
  padding: 0;
  display: grid;
  gap: 6px;
}

.sb-points li {
  position: relative;
  padding-left: 14px;
  font-size: 0.78rem;
  color: #d6ddf4;
}

.sb-points li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.58em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: color-mix(in srgb, var(--sclr,#6366f1) 78%, #ffffff);
}

.sb-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.sb-tags span {
  font-size: 0.68rem;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 99px;
  background: color-mix(in srgb, var(--sclr,#6366f1) 14%, transparent);
  border: 1px solid color-mix(in srgb, var(--sclr,#6366f1) 35%, transparent);
  color: var(--sclr,#6366f1);
}

/* Reveal staggered animation overrides for left/right */
.sb-item--left.reveal  { transform: translateX(-30px); }
.sb-item--right.reveal { transform: translateX( 30px); }
.sb-item.reveal.visible { transform: none; }

/* responsive */
@media (max-width: 780px) {
  .sb-overview { grid-template-columns: 1fr; }
  .sb-timeline::before { left: 22px; }
  .sb-item, .sb-item--left, .sb-item--right {
    width: 100%;
    align-self: auto;
    flex-direction: row;
    padding-left: 62px;
    padding-right: 0;
  }
  .sb-node { right: auto; left: -46px; }
  .sb-item--right .sb-node { left: -46px; right: auto; }
  .sb-item--left .sb-card::after,
  .sb-item--right .sb-card::after { display: none; }
}

/* ============================================================
   WHY · WHAT · HOW
   ============================================================ */
.why-what-how { background: rgba(13,18,36,0.82); }

/* top WHY·WHAT·HOW pill row */
.wwh-hero {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  margin-bottom: 52px;
}
.wwh-pill {
  width: 90px; height: 90px;
  border-radius: 50%;
  background: color-mix(in srgb, var(--wclr) 14%, rgba(26,32,53,0.9));
  border: 2px solid color-mix(in srgb, var(--wclr) 50%, transparent);
  color: var(--wclr);
  font-size: 1rem;
  font-weight: 900;
  letter-spacing: 0.05em;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 0 28px color-mix(in srgb, var(--wclr) 30%, transparent);
  position: relative;
  z-index: 1;
  animation: wwh-float 3.2s ease-in-out infinite;
}
.wwh-pill:nth-child(1) { animation-delay: 0s; }
.wwh-pill:nth-child(3) { animation-delay: 0.6s; }
.wwh-pill:nth-child(5) { animation-delay: 1.2s; }
@keyframes wwh-float {
  0%,100% { transform: translateY(0); }
  50%      { transform: translateY(-7px); }
}
.wwh-connector {
  flex: 1;
  max-width: 80px;
  padding: 0 6px;
  z-index: 0;
}
.wwh-connector-line {
  height: 2px;
  background: linear-gradient(90deg, var(--border), rgba(255,255,255,0.15));
  position: relative;
}
.wwh-connector-line::after {
  content: '';
  position: absolute;
  right: 0; top: -3px;
  border-top: 4px solid transparent;
  border-bottom: 4px solid transparent;
  border-left: 7px solid rgba(255,255,255,0.2);
}

/* block wrapper */
.wwh-block {
  margin-bottom: 52px;
}
.wwh-block-label {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 24px;
}
.wwh-block-icon {
  width: 54px; height: 54px;
  border-radius: 14px;
  background: color-mix(in srgb, var(--wclr) 14%, transparent);
  border: 1px solid color-mix(in sclr, var(--wclr) 35%, transparent);
  display: flex; align-items: center; justify-content: center;
  color: var(--wclr);
  font-size: 1.3rem;
  flex-shrink: 0;
}
.wwh-block-title {
  font-size: 2rem;
  font-weight: 900;
  color: var(--wclr);
  line-height: 1;
  letter-spacing: 0.04em;
}
.wwh-block-sub {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 3px;
}

/* WHY challenge cards */
.wwh-challenges {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
.wwh-ch-card {
  background: linear-gradient(145deg,rgba(26,32,53,0.9),rgba(13,18,36,0.9));
  border: 1px solid color-mix(in srgb, var(--wclr) 22%, transparent);
  border-radius: 14px;
  padding: 22px 18px;
  position: relative;
  overflow: hidden;
  transition: var(--transition);
}
.wwh-ch-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--wclr), color-mix(in srgb, var(--wclr) 40%, transparent));
  border-radius: 14px 14px 0 0;
}
.wwh-ch-card:hover {
  border-color: color-mix(in srgb, var(--wclr) 50%, transparent);
  transform: translateY(-4px);
  box-shadow: 0 14px 40px color-mix(in srgb, var(--wclr) 16%, transparent);
}
.wwh-ch-num {
  font-size: 2.2rem;
  font-weight: 900;
  color: color-mix(in srgb, var(--wclr) 20%, transparent);
  line-height: 1;
  margin-bottom: 8px;
}
.wwh-ch-card h4 {
  font-size: 0.92rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 8px;
}
.wwh-ch-card p {
  font-size: 0.81rem;
  color: var(--text-muted);
  line-height: 1.65;
}

/* WHAT cards */
.wwh-what-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
.wwh-what-card {
  background: rgba(26,32,53,0.85);
  border: 1px solid color-mix(in srgb, var(--wclr) 22%, transparent);
  border-radius: 14px;
  padding: 28px 20px 22px;
  text-align: center;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.wwh-what-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 0%, color-mix(in srgb, var(--wclr) 10%, transparent), transparent 60%);
  pointer-events: none;
}
.wwh-what-card:hover {
  border-color: color-mix(in srgb, var(--wclr) 55%, transparent);
  transform: translateY(-5px);
  box-shadow: 0 16px 44px color-mix(in srgb, var(--wclr) 18%, transparent);
}
.wwh-what-icon {
  font-size: 1.8rem;
  color: var(--wclr);
  display: block;
  margin-bottom: 14px;
  filter: drop-shadow(0 0 8px var(--wclr));
}
.wwh-what-card h4 {
  font-size: 0.9rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 10px;
}
.wwh-what-card p {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.65;
}

/* HOW steps */
.wwh-how-steps {
  display: flex;
  flex-direction: column;
  gap: 0;
  position: relative;
  padding-left: 52px;
}
.wwh-how-steps::before {
  content: '';
  position: absolute;
  left: 19px; top: 0; bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, #10b981, rgba(16,185,129,0.1));
}
.wwh-how-step {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  padding-bottom: 32px;
  position: relative;
}
.wwh-step-num {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: color-mix(in srgb, var(--wclr) 16%, rgba(13,18,36,0.95));
  border: 2px solid color-mix(in srgb, var(--wclr) 55%, transparent);
  color: var(--wclr);
  font-size: 0.95rem;
  font-weight: 900;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  position: absolute;
  left: -52px; top: 0;
  box-shadow: 0 0 16px color-mix(in srgb, var(--wclr) 35%, transparent);
}
.wwh-step-body { flex: 1; padding-top: 6px; }
.wwh-step-body h4 {
  font-size: 1rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 6px;
}
.wwh-step-body p {
  font-size: 0.86rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* responsive */
@media (max-width: 1000px) {
  .wwh-challenges, .wwh-what-grid { grid-template-columns: repeat(2,1fr); }
}
@media (max-width: 580px) {
  .wwh-challenges, .wwh-what-grid { grid-template-columns: 1fr; }
  .wwh-hero { gap: 0; }
  .wwh-pill { width: 72px; height: 72px; font-size: 0.85rem; }
  .wwh-connector { max-width: 40px; }
}

/* ============================================================
   CPS LIFECYCLE
   ============================================================ */
.lifecycle { background: rgba(2,8,23,0.78); }

/* ── orbit wrapper ── */
.lc-orbit-wrap {
  display: flex;
  justify-content: center;
  margin-bottom: 48px;
}
.lc-orbit {
  position: relative;
  width: 520px;
  height: 520px;
  flex-shrink: 0;
}

/* SVG ring */
.lc-ring-svg {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  pointer-events: none;
}
.lc-ring-anim {
  stroke-dasharray: 1260;
  stroke-dashoffset: 1260;
  animation: lcRingDraw 2.2s cubic-bezier(0.4,0,0.2,1) 0.4s forwards;
}
@keyframes lcRingDraw {
  to { stroke-dashoffset: 0; }
}

/* center OS button */
.lc-center-btn {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 148px; height: 148px;
  display: flex; align-items: center; justify-content: center;
  text-decoration: none;
  z-index: 2;
}
.lc-center-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(99,102,241,0.25);
  animation: lcCenterPulse 3s ease-in-out infinite;
}
.lc-center-ring--1 { inset: 0;    animation-delay: 0s;   }
.lc-center-ring--2 { inset: -12px; animation-delay: 0.6s; border-color: rgba(6,182,212,0.18); }
.lc-center-ring--3 { inset: -24px; animation-delay: 1.2s; border-color: rgba(139,92,246,0.12); }
@keyframes lcCenterPulse {
  0%,100% { opacity: 1;   transform: scale(1);    }
  50%      { opacity: 0.4; transform: scale(1.06); }
}
.lc-center-inner {
  position: relative;
  width: 148px; height: 148px;
  border-radius: 50%;
  background: radial-gradient(circle at 40% 35%, rgba(99,102,241,0.25), rgba(13,18,36,0.95) 70%);
  border: 2px solid rgba(99,102,241,0.5);
  box-shadow: 0 0 30px rgba(99,102,241,0.3), inset 0 1px 0 rgba(255,255,255,0.08);
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 2px;
  transition: box-shadow 0.3s ease, border-color 0.3s ease;
}
.lc-center-btn:hover .lc-center-inner {
  border-color: rgba(99,102,241,0.9);
  box-shadow: 0 0 50px rgba(99,102,241,0.5), inset 0 1px 0 rgba(255,255,255,0.1);
}
.lc-center-inner i {
  font-size: 1.4rem;
  color: #6366f1;
  filter: drop-shadow(0 0 8px rgba(99,102,241,0.8));
}
.lc-center-title {
  font-size: 0.78rem;
  font-weight: 800;
  color: #fff;
  line-height: 1.1;
}
.lc-center-sub {
  font-size: 0.62rem;
  color: var(--text-muted);
  line-height: 1;
}
.lc-center-launch {
  font-size: 0.6rem;
  font-weight: 700;
  color: #6366f1;
  letter-spacing: 0.06em;
  margin-top: 4px;
  opacity: 0;
  transition: opacity 0.25s ease;
}
.lc-center-btn:hover .lc-center-launch { opacity: 1; }

/* stage nodes */
.lc-node {
  position: absolute;
  top: var(--ny);
  left: var(--nx);
  transform: translate(-50%, -50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  z-index: 3;
}
.lc-node-icon {
  width: 56px; height: 56px;
  border-radius: 50%;
  background: linear-gradient(145deg, rgba(26,32,53,0.95), rgba(13,18,36,0.95));
  border: 2px solid color-mix(in srgb, var(--nclr) 45%, transparent);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
  color: var(--nclr);
  box-shadow: 0 0 16px color-mix(in srgb, var(--nclr) 28%, transparent);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}
.lc-node-label {
  font-size: 0.65rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--nclr);
  white-space: nowrap;
  text-shadow: 0 0 8px color-mix(in srgb, var(--nclr) 60%, transparent);
}
.lc-node:hover .lc-node-icon,
.lc-node--active .lc-node-icon {
  transform: scale(1.18);
  border-color: var(--nclr);
  box-shadow: 0 0 28px color-mix(in srgb, var(--nclr) 55%, transparent);
}

/* detail cards below the orbit */
.lc-details {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.lc-detail {
  background: linear-gradient(145deg, rgba(26,32,53,0.9), rgba(13,18,36,0.9));
  border: 1px solid color-mix(in srgb, var(--clr) 22%, transparent);
  border-radius: 14px;
  padding: 22px 18px;
  position: relative;
  overflow: hidden;
  transition: var(--transition);
  opacity: 0.55;
  transform: scale(0.97);
}
.lc-detail::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--clr), color-mix(in srgb, var(--clr) 40%, transparent));
  border-radius: 14px 14px 0 0;
}
.lc-detail--active {
  opacity: 1;
  transform: scale(1);
  border-color: color-mix(in srgb, var(--clr) 55%, transparent);
  box-shadow: 0 8px 32px color-mix(in srgb, var(--clr) 16%, transparent);
}
.lc-detail:hover {
  opacity: 1;
  transform: scale(1);
  border-color: color-mix(in srgb, var(--clr) 45%, transparent);
}
.lc-d-icon {
  width: 44px; height: 44px;
  border-radius: 11px;
  background: color-mix(in srgb, var(--clr) 14%, transparent);
  border: 1px solid color-mix(in srgb, var(--clr) 30%, transparent);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
  color: var(--clr);
  margin-bottom: 10px;
}
.lc-d-num {
  font-size: 0.62rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  color: var(--clr);
  margin-bottom: 4px;
}
.lc-detail h3 {
  font-size: 1rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 8px;
}
.lc-detail p {
  font-size: 0.78rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 12px;
}
.lc-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}
.lc-tags li {
  font-size: 0.62rem;
  font-weight: 600;
  color: var(--text-dim);
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  padding: 2px 8px;
  border-radius: 50px;
}

/* responsive */
@media (max-width: 900px) {
  .lc-orbit { width: 380px; height: 380px; }
  .lc-center-inner, .lc-center-btn { width: 110px; height: 110px; }
  .lc-node-icon { width: 46px; height: 46px; font-size: 0.95rem; }
  .lc-details { grid-template-columns: repeat(2,1fr); }
}
@media (max-width: 580px) {
  .lc-orbit { width: 300px; height: 300px; }
  .lc-center-inner, .lc-center-btn { width: 86px; height: 86px; }
  .lc-center-title { font-size: 0.65rem; }
  .lc-node-icon { width: 36px; height: 36px; font-size: 0.8rem; }
  .lc-node-label { font-size: 0.55rem; }
  .lc-details { grid-template-columns: 1fr; }
}



/* ============================================================
   PROJECTS HUB
   ============================================================ */
.projects-hub { background: rgba(2,8,23,0.82); }

/* legend */
.ph-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  margin-bottom: 28px;
}
.ph-leg-item {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 0.78rem;
  color: var(--text-muted);
  font-weight: 600;
}
.ph-leg-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--lclr);
  box-shadow: 0 0 6px var(--lclr);
  flex-shrink: 0;
}

/* filter tabs */
.ph-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 32px;
}
.ph-filter {
  padding: 7px 18px;
  border-radius: 99px;
  border: 1px solid var(--border);
  background: rgba(26,32,53,0.6);
  color: var(--text-muted);
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}
.ph-filter:hover {
  border-color: rgba(99,102,241,0.5);
  color: #fff;
}
.ph-filter--active {
  background: rgba(99,102,241,0.15);
  border-color: rgba(99,102,241,0.6);
  color: var(--primary);
}

/* grid */
.ph-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 22px;
}
.ph-card {
  background: linear-gradient(145deg, rgba(26,32,53,0.92), rgba(13,18,36,0.92));
  border: 1px solid color-mix(in srgb, var(--pclr) 22%, transparent);
  border-radius: 16px;
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.ph-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 0% 0%, color-mix(in srgb, var(--pclr) 8%, transparent), transparent 55%);
  pointer-events: none;
}
.ph-card:hover {
  border-color: color-mix(in srgb, var(--pclr) 50%, transparent);
  transform: translateY(-4px);
  box-shadow: 0 16px 44px color-mix(in srgb, var(--pclr) 14%, transparent);
}
.ph-card--hidden { display: none; }

/* card top row */
.ph-card-top {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}
.ph-card-icon {
  width: 46px; height: 46px;
  border-radius: 12px;
  background: color-mix(in srgb, var(--pclr) 14%, transparent);
  border: 1px solid color-mix(in srgb, var(--pclr) 30%, transparent);
  display: flex; align-items: center; justify-content: center;
  color: var(--pclr);
  font-size: 1.1rem;
  flex-shrink: 0;
}
.ph-card-meta { flex: 1; }
.ph-cat {
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--pclr);
  display: block;
  margin-bottom: 4px;
}
.ph-card-meta h3 {
  font-size: 0.95rem;
  font-weight: 800;
  color: #fff;
  line-height: 1.3;
}

/* status badge */
.ph-status {
  font-size: 0.62rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 3px 9px;
  border-radius: 99px;
  flex-shrink: 0;
  align-self: flex-start;
}
.ph-status--active {
  background: rgba(16,185,129,0.15);
  border: 1px solid rgba(16,185,129,0.4);
  color: #10b981;
  animation: statusPulse 2s ease-in-out infinite;
}
.ph-status--planning {
  background: rgba(245,158,11,0.12);
  border: 1px solid rgba(245,158,11,0.35);
  color: #f59e0b;
}

/* description */
.ph-card > p {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* lifecycle stage strip */
.ph-lifecycle-bar {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.ph-stage {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 4px 10px;
  border-radius: 8px;
  background: color-mix(in srgb, var(--sclr) 13%, rgba(13,18,36,0.8));
  border: 1px solid color-mix(in srgb, var(--sclr) 40%, transparent);
  color: var(--sclr);
  font-size: 0.7rem;
  font-weight: 700;
  transition: var(--transition);
}
.ph-stage i { font-size: 0.68rem; }
.ph-stage:hover {
  background: color-mix(in srgb, var(--sclr) 22%, rgba(13,18,36,0.9));
  box-shadow: 0 0 10px color-mix(in srgb, var(--sclr) 30%, transparent);
}

/* bottom tag row */
.ph-links {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: auto;
}
.ph-tag {
  font-size: 0.68rem;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 99px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  color: var(--text-muted);
}

/* responsive */
@media (max-width: 780px) {
  .ph-grid { grid-template-columns: 1fr; }
}

/* ============================================================
   RESEARCH AREAS
   ============================================================ */
.research { background: rgba(13,18,36,0.82); }

.research-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}

.research-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.research-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--clr);
  opacity: 0;
  transition: var(--transition);
}

.research-card:hover {
  border-color: color-mix(in srgb, var(--clr) 32%, transparent);
  transform: translateY(-5px);
  box-shadow: 0 12px 40px color-mix(in srgb, var(--clr) 18%, transparent), 0 4px 16px rgba(0,0,0,0.4);
}
.research-card:hover::before { opacity: 1; }

.rc-icon {
  width: 52px; height: 52px;
  background: color-mix(in srgb, var(--clr) 12%, transparent);
  border: 1px solid color-mix(in srgb, var(--clr) 25%, transparent);
  border-radius: 14px;
  display: grid;
  place-items: center;
  font-size: 1.3rem;
  color: var(--clr);
  margin-bottom: 16px;
}

.rc-label {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 6px;
}

.research-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 10px;
}
.research-card p {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 16px;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.tag-list li {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--text-muted);
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  padding: 3px 10px;
  border-radius: 50px;
}

/* ============================================================
   UND CONTRIBUTION
   ============================================================ */
.und-contribution { background: rgba(13,18,36,0.82); }

.undc-kpis {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 26px;
}

.undc-kpi {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px 16px;
}

.undc-kpi strong {
  display: block;
  font-size: 1.35rem;
  font-weight: 900;
  color: #fff;
  line-height: 1;
  margin-bottom: 6px;
}

.undc-kpi span {
  font-size: 0.76rem;
  color: var(--text-muted);
}

.undc-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-bottom: 22px;
}

.undc-card {
  background: linear-gradient(145deg, rgba(26,32,53,0.92), rgba(13,18,36,0.92));
  border: 1px solid color-mix(in srgb, var(--uclr, #6366f1) 24%, transparent);
  border-radius: 14px;
  padding: 20px;
  transition: var(--transition);
}

.undc-card:hover {
  transform: translateY(-4px);
  border-color: color-mix(in srgb, var(--uclr, #6366f1) 48%, transparent);
  box-shadow: 0 12px 36px color-mix(in srgb, var(--uclr, #6366f1) 16%, transparent), 0 4px 14px rgba(0,0,0,0.4);
}

.undc-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}

.undc-head i {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  color: var(--uclr, #6366f1);
  background: color-mix(in srgb, var(--uclr, #6366f1) 14%, transparent);
  border: 1px solid color-mix(in srgb, var(--uclr, #6366f1) 32%, transparent);
}

.undc-head h3 {
  font-size: 1rem;
  color: #fff;
  margin: 0;
}

.undc-card p {
  font-size: 0.84rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 12px;
}

.undc-card ul {
  margin: 0;
  padding-left: 16px;
  display: grid;
  gap: 6px;
}

.undc-card li {
  font-size: 0.78rem;
  color: #d5ddf3;
}

.undc-support {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.undc-support-block {
  background: rgba(255,255,255,0.03);
  border: 1px dashed color-mix(in srgb, var(--uclr, #6366f1) 45%, transparent);
  border-radius: 12px;
  padding: 14px 16px;
}

.undc-support-block h4 {
  margin: 0 0 8px;
  color: #fff;
  font-size: 0.86rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 8px;
}

.undc-support-block h4 i { color: var(--uclr, #6366f1); }

.undc-support-block p {
  margin: 0;
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.65;
}

/* ============================================================
   INFRASTRUCTURE
   ============================================================ */
.infrastructure { background: rgba(2,8,23,0.78); }

.infra-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 24px;
}

.infra-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
}
.infra-card:hover {
  border-color: color-mix(in srgb, var(--clr) 28%, transparent);
  transform: translateY(-4px);
  box-shadow: 0 10px 36px color-mix(in srgb, var(--clr) 16%, transparent), 0 4px 16px rgba(0,0,0,0.4);
}

.infra-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 18px 22px;
  background: color-mix(in srgb, var(--clr) 10%, rgba(0,0,0,0.3));
  border-bottom: 1px solid var(--border);
  font-size: 0.85rem;
  font-weight: 700;
  color: #fff;
}
.infra-header i { font-size: 1.1rem; color: var(--clr); }

.infra-card > p {
  font-size: 0.84rem;
  color: var(--text-muted);
  padding: 18px 22px 14px;
  line-height: 1.65;
}

.infra-items {
  padding: 0 22px 14px;
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.ii {
  font-size: 0.8rem;
  color: var(--text-muted);
  display: flex;
  align-items: baseline;
  gap: 8px;
}
.ii i { color: var(--green); font-size: 0.7rem; flex-shrink: 0; }

.infra-departments {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--text-dim);
  letter-spacing: 0.05em;
  padding: 12px 22px 18px;
  border-top: 1px solid var(--border);
  margin-top: 8px;
}

/* ============================================================
   EQUIPMENT & BUDGET
   ============================================================ */
.equipment { background: rgba(13,18,36,0.82); }

.budget-summary {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 48px;
  justify-content: center;
}

.bs-item {
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px 20px;
  flex: 1;
  min-width: 180px;
  max-width: 240px;
  transition: var(--transition);
}
.bs-item:hover { border-color: rgba(255,255,255,0.12); }

.bs-icon {
  width: 40px; height: 40px;
  flex-shrink: 0;
  background: color-mix(in srgb, var(--clr) 12%, transparent);
  border-radius: 10px;
  display: grid;
  place-items: center;
  font-size: 1rem;
  color: var(--clr);
}

.bs-info strong {
  display: block;
  font-size: 0.82rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 2px;
}
.bs-info span {
  font-size: 0.9rem;
  font-weight: 800;
  color: var(--primary);
}

/* Table */
.table-wrapper {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
}

.equipment-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}

.equipment-table thead th {
  padding: 14px 16px;
  text-align: left;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-dim);
  background: rgba(255,255,255,0.03);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

.equipment-table tbody td {
  padding: 11px 16px;
  color: var(--text-muted);
  border-bottom: 1px solid rgba(255,255,255,0.04);
  vertical-align: middle;
}

.equipment-table tbody tr:hover td { background: rgba(255,255,255,0.02); }

.cat-row td {
  background: rgba(99,102,241,0.07) !important;
  color: var(--primary) !important;
  font-weight: 700 !important;
  font-size: 0.78rem !important;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.cost { color: #fff !important; font-weight: 700 !important; white-space: nowrap; }

.total-row td {
  background: rgba(99,102,241,0.1) !important;
  border-top: 2px solid rgba(99,102,241,0.3) !important;
  padding: 16px !important;
}
.total-cost {
  font-size: 1.1rem !important;
  color: var(--primary) !important;
}

/* ============================================================
   MOTIVATION
   ============================================================ */
.motivation { background: rgba(2,8,23,0.78); }

.motivation-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.motivation-content .lead {
  font-size: 1.1rem;
  color: #d1d9e6;
  font-weight: 500;
  margin-bottom: 20px;
  line-height: 1.75;
}
.motivation-content p { color: var(--text-muted); margin-bottom: 14px; }
.motivation-content strong { color: #fff; }

.motivation-needs {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.need-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 18px 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  transition: var(--transition);
}
.need-item:hover { border-color: color-mix(in srgb, var(--clr) 28%, transparent); transform: translateX(5px); box-shadow: 0 4px 20px color-mix(in srgb, var(--clr) 12%, transparent); }

.ni-icon {
  width: 44px; height: 44px;
  flex-shrink: 0;
  background: color-mix(in srgb, var(--clr) 12%, transparent);
  border: 1px solid color-mix(in srgb, var(--clr) 25%, transparent);
  border-radius: 10px;
  display: grid;
  place-items: center;
  font-size: 1rem;
  color: var(--clr);
}

.need-item strong {
  display: block;
  font-size: 0.9rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 4px;
}
.need-item p { font-size: 0.82rem; color: var(--text-muted); }

/* ============================================================
   CENTERS
   ============================================================ */
.centers { background: rgba(2,8,23,0.78); }

.centers-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 24px;
}

.center-card {
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  min-height: 100%;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.center-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--clr, var(--primary));
  opacity: 0;
  transition: var(--transition);
}

.center-card:hover {
  border-color: color-mix(in srgb, var(--clr, var(--primary)) 32%, transparent);
  transform: translateY(-5px);
  box-shadow: 0 12px 40px color-mix(in srgb, var(--clr, var(--primary)) 20%, transparent), 0 4px 16px rgba(0,0,0,0.4);
}

.center-card:hover::before { opacity: 1; }

.center-card-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  font-size: 1.25rem;
  color: var(--clr, var(--primary));
  background: color-mix(in srgb, var(--clr, var(--primary)) 12%, transparent);
  border: 1px solid color-mix(in srgb, var(--clr, var(--primary)) 28%, transparent);
  margin-bottom: 14px;
}

.center-card-body { flex: 1; }

.center-card-tag {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--clr, var(--primary));
  margin-bottom: 8px;
}

.center-card h3 {
  font-size: 1.1rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 10px;
}

.center-card p {
  font-size: 0.84rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 16px;
}

.center-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.center-card-tags li {
  font-size: 0.68rem;
  font-weight: 600;
  color: var(--text-muted);
  padding: 3px 9px;
  border-radius: 50px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
}

.center-card-footer {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
}

.center-card-footer span {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--clr, var(--primary));
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

/* ============================================================
   BROADER IMPACT
   ============================================================ */
.impact { background: rgba(13,18,36,0.82); }

.impact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
  margin-bottom: 64px;
}

.impact-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  transition: var(--transition);
}
.impact-card:hover { border-color: rgba(255,255,255,0.1); transform: translateY(-4px); box-shadow: var(--shadow); }

.impact-card > i { font-size: 2rem; margin-bottom: 16px; display: block; }

.impact-card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 10px;
}
.impact-card p { font-size: 0.85rem; color: var(--text-muted); line-height: 1.65; }

/* Departments */
.departments {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px;
}
.departments h3 {
  font-size: 1.3rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 28px;
  text-align: center;
}

.dept-list {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: center;
}

.dept-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  text-align: center;
  padding: 20px 24px;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  min-width: 160px;
  transition: var(--transition);
}
.dept-item:hover { border-color: rgba(255,255,255,0.1); transform: translateY(-3px); }
.dept-item > i { font-size: 1.5rem; }
.dept-item span { font-size: 0.85rem; font-weight: 700; color: #fff; }
.dept-item small { font-size: 0.72rem; color: var(--text-muted); }

/* ============================================================
   MEDIA GALLERY
   ============================================================ */
.media-gallery { background: var(--bg2); }

.gallery-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 24px;
}

.g-filter {
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  color: var(--text-muted);
  padding: 8px 14px;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  cursor: pointer;
  transition: var(--transition);
}

.g-filter:hover,
.g-filter.active {
  color: #fff;
  border-color: rgba(99,102,241,0.4);
  background: rgba(99,102,241,0.14);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 18px;
}

.gallery-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
}

.gallery-item:hover {
  transform: translateY(-3px);
  border-color: rgba(255,255,255,0.12);
  box-shadow: var(--shadow);
}

.gallery-item img,
.gallery-item video {
  width: 100%;
  height: 190px;
  object-fit: cover;
  display: block;
  background: #060d20;
}

.gallery-meta {
  padding: 12px 14px;
}

.gallery-meta strong {
  display: block;
  font-size: 0.86rem;
  color: #fff;
  margin-bottom: 4px;
}

.gallery-meta span {
  font-size: 0.72rem;
  color: var(--text-dim);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.gallery-empty {
  margin-top: 18px;
  font-size: 0.85rem;
  color: var(--text-muted);
  background: rgba(255,255,255,0.04);
  border: 1px dashed var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
}

.gallery-empty.hide { display: none; }

/* ============================================================
   TEAM
   ============================================================ */
.team { background: rgba(2,8,23,0.78); }

.team-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.team-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.team-filter {
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.03);
  color: var(--text-muted);
  border-radius: 999px;
  padding: 6px 14px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  cursor: pointer;
  transition: var(--transition);
}

.team-filter:hover,
.team-filter--active {
  color: #fff;
  border-color: rgba(99,102,241,0.5);
  background: rgba(99,102,241,0.16);
}

.team-search-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 260px;
  padding: 8px 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.03);
}

.team-search-wrap i {
  color: var(--text-muted);
  font-size: 0.82rem;
}

.team-search-wrap input {
  width: 100%;
  border: none;
  outline: none;
  background: transparent;
  color: #fff;
  font: inherit;
  font-size: 0.84rem;
}

.team-search-wrap input::placeholder { color: color-mix(in srgb, var(--text-muted) 86%, #fff); }

.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
}

.team-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  display: flex;
  gap: 20px;
  align-items: flex-start;
  transition: var(--transition);
}
.team-card--hidden { display: none; }
.team-card:hover {
  border-color: color-mix(in srgb, var(--clr) 30%, transparent);
  transform: translateY(-4px);
  box-shadow: 0 10px 36px color-mix(in srgb, var(--clr) 16%, transparent), 0 4px 16px rgba(0,0,0,0.4);
}

.team-avatar {
  width: 62px; height: 62px;
  flex-shrink: 0;
  background: linear-gradient(135deg, var(--clr), color-mix(in srgb, var(--clr) 60%, #000));
  border-radius: 14px;
  display: grid;
  place-items: center;
  font-size: 0.95rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: 0.04em;
}

.team-info h3 {
  font-size: 0.95rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 3px;
}

.team-topline {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
}

.team-badge {
  display: inline-flex;
  align-items: center;
  height: 22px;
  padding: 0 9px;
  border-radius: 99px;
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--clr);
  background: color-mix(in srgb, var(--clr) 14%, transparent);
  border: 1px solid color-mix(in srgb, var(--clr) 35%, transparent);
}

.team-role {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--primary);
  display: block;
  margin-bottom: 8px;
}

.team-info p {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 12px;
}

.team-focus {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 12px;
}

.team-focus span {
  font-size: 0.67rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  color: var(--clr);
  border: 1px solid color-mix(in srgb, var(--clr) 30%, transparent);
  background: color-mix(in srgb, var(--clr) 12%, transparent);
  border-radius: 99px;
  padding: 3px 9px;
}

.team-social {
  display: flex;
  gap: 8px;
}
.team-social a {
  width: 30px; height: 30px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  border-radius: 8px;
  display: grid;
  place-items: center;
  font-size: 0.75rem;
  color: var(--text-muted);
  transition: var(--transition);
}
.team-social a:hover { background: var(--primary); border-color: var(--primary); color: #fff; }

.team-empty {
  margin-top: 14px;
  border: 1px dashed var(--border);
  border-radius: 12px;
  padding: 12px 14px;
  font-size: 0.82rem;
  color: var(--text-muted);
  background: rgba(255,255,255,0.03);
}

/* ============================================================
   TREE CHAT
   ============================================================ */
.tree-chat { background: rgba(2,8,23,0.78); }

.tree-chat-grid {
  display: grid;
  grid-template-columns: 0.95fr 1.4fr;
  gap: 24px;
  align-items: start;
}

.tree-panel,
.tree-chat-shell {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.tree-panel {
  padding: 22px;
  position: relative;
}

.tree-panel h3 {
  font-size: 0.95rem;
  color: #fff;
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.tree-panel h3 i { color: var(--green); }

.tree-root-node {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 10px 16px;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.03em;
  color: #fff;
  background: linear-gradient(135deg, #15803d, #22c55e);
  box-shadow: 0 8px 22px rgba(34,197,94,0.25);
}

.tree-branches {
  margin-top: 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  position: relative;
  padding-left: 18px;
}

.tree-branches::before {
  content: '';
  position: absolute;
  left: 3px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, rgba(34,197,94,0.75), rgba(34,197,94,0.2));
}

.tree-branch {
  position: relative;
  text-align: left;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.03);
  color: var(--text-muted);
  border-radius: 10px;
  font-size: 0.8rem;
  font-weight: 600;
  padding: 9px 12px;
  cursor: pointer;
  transition: var(--transition);
}

.tree-branch::before {
  content: '';
  position: absolute;
  left: -16px;
  top: 50%;
  width: 14px;
  height: 2px;
  transform: translateY(-50%);
  background: rgba(34,197,94,0.45);
}

.tree-branch:hover {
  color: #fff;
  border-color: rgba(34,197,94,0.4);
  background: rgba(34,197,94,0.12);
}

.tree-chat-shell { overflow: hidden; }

.tree-chat-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  background: rgba(255,255,255,0.03);
}

.tree-chat-head strong {
  font-size: 0.9rem;
  color: #fff;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.tree-chat-head strong i { color: var(--green); }

.tree-chat-head span {
  font-size: 0.72rem;
  color: var(--text-muted);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 2px 8px;
}

.tree-chat-log {
  max-height: 340px;
  min-height: 280px;
  overflow-y: auto;
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  background: linear-gradient(180deg, rgba(255,255,255,0.01), rgba(255,255,255,0));
}

.tree-msg {
  max-width: 88%;
  padding: 9px 12px;
  font-size: 0.83rem;
  line-height: 1.6;
  border-radius: 12px;
}

.tree-msg.bot {
  align-self: flex-start;
  color: #d5fbe3;
  border: 1px solid rgba(34,197,94,0.3);
  background: rgba(34,197,94,0.12);
}

.tree-msg.user {
  align-self: flex-end;
  color: #fff;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.08);
}

.tree-chat-form {
  display: flex;
  gap: 10px;
  padding: 12px;
  border-top: 1px solid var(--border);
  background: rgba(255,255,255,0.02);
}

.tree-chat-form input {
  flex: 1;
  min-width: 0;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text);
  font-family: var(--font);
  font-size: 0.86rem;
  padding: 10px 12px;
  outline: none;
}

.tree-chat-form input:focus {
  border-color: rgba(34,197,94,0.45);
  box-shadow: 0 0 0 3px rgba(34,197,94,0.12);
}

.tree-chat-form button {
  border: none;
  border-radius: 10px;
  background: linear-gradient(135deg, #16a34a, #22c55e);
  color: #fff;
  font-size: 0.82rem;
  font-weight: 700;
  padding: 0 14px;
  cursor: pointer;
}

.tree-chat-form button:hover { filter: brightness(1.07); }

/* ============================================================
   CONTACT
   ============================================================ */
.contact { background: rgba(13,18,36,0.82); }

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 56px;
  align-items: start;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contact-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 18px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  transition: var(--transition);
}
.contact-item:hover { border-color: rgba(99,102,241,0.3); box-shadow: 0 4px 20px rgba(99,102,241,0.08); transform: translateX(3px); }

.ci-icon {
  width: 42px; height: 42px;
  flex-shrink: 0;
  background: rgba(99,102,241,0.12);
  border-radius: 10px;
  display: grid;
  place-items: center;
  font-size: 1rem;
  color: var(--primary);
}

.contact-item strong {
  display: block;
  font-size: 0.82rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 4px;
}
.contact-item span {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* Contact form */
.contact-form {
  background: rgba(26,32,53,0.7);
  border: 1px solid rgba(99,102,241,0.15);
  border-radius: var(--radius);
  padding: 36px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  backdrop-filter: blur(12px);
  box-shadow: 0 8px 40px rgba(0,0,0,0.3), inset 0 1px 0 rgba(255,255,255,0.04);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
}

.form-group input,
.form-group select,
.form-group textarea {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: var(--font);
  font-size: 0.9rem;
  padding: 11px 14px;
  outline: none;
  transition: border-color 0.2s;
  resize: vertical;
  appearance: none;
  -webkit-appearance: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-dim); }
.form-group select option { background: var(--bg3); }

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(99,102,241,0.12); }

.form-success {
  display: none;
  align-items: center;
  gap: 10px;
  font-size: 0.88rem;
  color: var(--green);
  background: rgba(16,185,129,0.1);
  border: 1px solid rgba(16,185,129,0.25);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
}
.form-success.show { display: flex; }

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: rgba(2,8,23,0.88);
  position: relative;
  padding: 72px 0 0;
}

.footer::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, rgba(99,102,241,0.5) 30%, rgba(6,182,212,0.5) 70%, transparent 100%);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.8fr 1fr 1fr 1.4fr;
  gap: 48px;
  padding-bottom: 56px;
}

.footer-brand p {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 14px;
  line-height: 1.65;
  max-width: 280px;
}

.footer-und {
  font-size: 0.78rem !important;
  color: var(--text-dim) !important;
  margin-top: 4px !important;
}

.footer-social {
  display: flex;
  gap: 10px;
  margin-top: 20px;
}
.footer-social a {
  width: 34px; height: 34px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  display: grid;
  place-items: center;
  font-size: 0.85rem;
  color: var(--text-muted);
  transition: var(--transition);
}
.footer-social a:hover { background: var(--primary); border-color: var(--primary); color: #fff; }

.footer-links h4, .footer-newsletter h4 {
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #fff;
  margin-bottom: 18px;
}

.footer-links ul { display: flex; flex-direction: column; gap: 9px; }
.footer-links li a {
  font-size: 0.85rem;
  color: var(--text-muted);
  transition: var(--transition);
}
.footer-links li a:hover { color: #fff; padding-left: 4px; }

.footer-newsletter p {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 14px;
  line-height: 1.6;
}

.newsletter-form {
  display: flex;
  gap: 0;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface);
  margin-bottom: 16px;
}
.newsletter-form input {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--text);
  font-family: var(--font);
  font-size: 0.85rem;
  padding: 10px 14px;
  outline: none;
}
.newsletter-form input::placeholder { color: var(--text-dim); }
.newsletter-form button {
  background: var(--primary);
  border: none;
  color: #fff;
  padding: 0 16px;
  cursor: pointer;
  font-size: 0.85rem;
  transition: var(--transition);
  flex-shrink: 0;
}
.newsletter-form button:hover { background: var(--primary-d); }

.funding-note {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  color: var(--text-dim);
}
.funding-note i { color: var(--amber); }

.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 22px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}
.footer-bottom p { font-size: 0.8rem; color: var(--text-dim); }

/* ============================================================
   OS TRANSITION OVERLAY
   ============================================================ */
.os-overlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: radial-gradient(ellipse at center, #0a0f2c 0%, #020817 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s ease;
}
.os-overlay.active {
  opacity: 1;
  pointer-events: auto;
}
.os-overlay-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 28px;
}
.os-rings {
  position: relative;
  width: 140px;
  height: 140px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.os-ring {
  position: absolute;
  border-radius: 50%;
  border: 2px solid rgba(6,182,212,0.55);
  animation: osRingExpand 1.6s ease-out infinite;
}
.os-ring.r1 { width: 60px;  height: 60px;  animation-delay: 0s; }
.os-ring.r2 { width: 96px;  height: 96px;  animation-delay: 0.4s; }
.os-ring.r3 { width: 136px; height: 136px; animation-delay: 0.8s; }
@keyframes osRingExpand {
  0%   { opacity: 1;   transform: scale(0.6); }
  100% { opacity: 0;   transform: scale(1.1); }
}
.os-ring-logo {
  z-index: 2;
  font-size: 2.2rem;
  color: #06b6d4;
  animation: osLogoPulse 1.6s ease-in-out infinite;
}
@keyframes osLogoPulse {
  0%,100% { transform: scale(1);   opacity: 1; }
  50%      { transform: scale(1.15); opacity: 0.75; }
}
.os-overlay-label {
  font-size: 1.1rem;
  color: #94a3b8;
  letter-spacing: 0.06em;
  font-weight: 500;
}

/* ============================================================
   BACK TO TOP
   ============================================================ */
.back-to-top {
  position: fixed;
  bottom: 28px; right: 28px;
  z-index: 999;
  width: 44px; height: 44px;
  background: var(--primary);
  border: none;
  border-radius: 12px;
  color: #fff;
  font-size: 0.85rem;
  cursor: pointer;
  display: grid;
  place-items: center;
  opacity: 0;
  pointer-events: none;
  transform: translateY(12px);
  transition: var(--transition);
  box-shadow: 0 4px 20px rgba(99,102,241,0.4);
}
.back-to-top.show { opacity: 1; pointer-events: auto; transform: translateY(0); }
.back-to-top:hover { background: var(--primary-d); transform: translateY(-2px); }

/* ============================================================
   3D SMART CITY
   ============================================================ */
.smart-city-3d { background: rgba(2,8,23,0.8); }

/* ── UND Campus Map ── */
.und-map-wrap {
  margin-top: 3.5rem;
  display: grid;
  grid-template-columns: 1fr 2fr;
  grid-template-rows: auto 1fr auto;
  gap: 1.5rem 2rem;
  align-items: start;
}
.und-map-header {
  grid-column: 1;
  grid-row: 1 / 3;
}
.und-map-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--green);
  background: rgba(16,185,129,0.1);
  border: 1px solid rgba(16,185,129,0.25);
  padding: 0.3rem 0.8rem;
  border-radius: 20px;
  margin-bottom: 1rem;
}
.und-map-title {
  font-size: 1.4rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 0.75rem;
  line-height: 1.3;
}
.und-map-sub {
  font-size: 0.9rem;
  color: rgba(180,190,220,0.7);
  line-height: 1.65;
}
.und-map-frame-wrap {
  grid-column: 2;
  grid-row: 1 / 3;
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid rgba(99,102,241,0.25);
  box-shadow: 0 0 40px rgba(16,185,129,0.08), 0 16px 48px rgba(0,0,0,0.4);
  height: 380px;
}
.und-map-frame {
  width: 100%;
  height: 100%;
  border: none;
  display: block;
  filter: invert(0.9) hue-rotate(200deg) saturate(0.65) brightness(0.88);
}
.und-map-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  background: rgba(10,15,36,0.82);
  border: 1px solid rgba(16,185,129,0.35);
  color: var(--green);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.3rem 0.7rem;
  border-radius: 6px;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  backdrop-filter: blur(6px);
}
.und-map-legend {
  list-style: none;
  margin-top: 1.4rem;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  padding: 0;
}
.und-map-legend li {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  font-size: 0.82rem;
  color: rgba(180,190,220,0.75);
}
.uml-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--dc, var(--primary));
  flex-shrink: 0;
  box-shadow: 0 0 6px var(--dc, var(--primary));
}
.und-map-link {
  grid-column: 2;
  grid-row: 3;
  justify-self: end;
  font-size: 0.75rem;
  color: rgba(99,102,241,0.7);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: color 0.2s;
}
.und-map-link:hover { color: var(--primary); }
@media (max-width: 768px) {
  .und-map-wrap { grid-template-columns: 1fr; }
  .und-map-header { grid-column: 1; grid-row: 1; }
  .und-map-frame-wrap { grid-column: 1; grid-row: 2; height: 260px; }
  .und-map-link { grid-column: 1; grid-row: 3; justify-self: start; }
}

.sc3d-wrap {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid rgba(99,102,241,0.25);
  box-shadow: 0 0 60px rgba(99,102,241,0.12), 0 24px 64px rgba(0,0,0,0.5);
  background: #020817;
  cursor: grab;
}
.sc3d-wrap:active { cursor: grabbing; }

#sc3dCanvas {
  display: block;
  width: 100%;
  height: 500px;
  touch-action: none;
}

.sc3d-controls {
  position: absolute;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 20px;
  background: rgba(2,8,23,0.75);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 50px;
  padding: 8px 20px;
  pointer-events: none;
}
.sc3d-controls span {
  font-size: 0.72rem;
  color: var(--text-dim);
  display: flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}
.sc3d-controls span i {
  color: var(--primary);
  font-size: 0.75rem;
}

@media (max-width: 640px) {
  #sc3dCanvas { height: 320px; }
  .sc3d-controls { gap: 12px; padding: 7px 14px; }
  .sc3d-controls span { font-size: 0.65rem; }
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
  .about-grid { gap: 40px; }

}

@media (max-width: 900px) {
  .about-grid,
  .mv-grid,
  .undc-grid,
  .undc-support,
  .motivation-grid,
  .tree-chat-grid,
  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .about-visual { max-width: 320px; }
  .undc-kpis { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 768px) {
  .section { padding: 72px 0; }

  /* smart menu is full-screen — no separate mobile rules needed */

  .hero h1 { font-size: 2.4rem; }
  .hero-lifecycle { gap: 5px; }
  .hero-lifecycle span { font-size: 0.7rem; padding: 4px 10px; }

  .hero-stats { padding: 18px 20px; gap: 0; }
  .stat { padding: 0 16px; }
  .stat-num { font-size: 1.5rem; }


  .form-row { grid-template-columns: 1fr; }
  .contact-form { padding: 24px; }
  .tree-chat-form { flex-direction: column; }
  .tree-chat-form button { min-height: 40px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .summary-box { flex-direction: column; padding: 24px; }

  .budget-summary { gap: 10px; }
  .bs-item { min-width: 140px; }

  .team-toolbar { align-items: stretch; }
  .team-search-wrap { width: 100%; min-width: 0; }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 2rem; }
  .hero-actions { flex-direction: column; align-items: center; }
  .hero-stats { flex-direction: column; gap: 12px; }
  .stat-divider { display: none; }
  .stat { padding: 4px 0; }
  .infra-grid, .research-grid, .impact-grid, .centers-grid { grid-template-columns: 1fr; }
  .undc-kpis { grid-template-columns: 1fr; }
  .team-card { flex-direction: column; }
  .team-topline { flex-direction: column; align-items: flex-start; }
  .team-filter { padding: 6px 11px; }
  .dept-list { gap: 12px; }
  .dept-item { min-width: 130px; }
  .lc-step { flex-direction: column; text-align: center; align-items: center; }
  .lc-icon { margin-inline: auto; }
}

/* ============================================================
   SMART MENU OVERLAY
   ============================================================ */
.smart-menu {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(2,8,23,0.96);
  backdrop-filter: blur(36px) saturate(140%);
  -webkit-backdrop-filter: blur(36px) saturate(140%);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.32s ease;
  overflow-y: auto;
}
.smart-menu.open {
  opacity: 1;
  pointer-events: auto;
}

.sm-close {
  position: fixed;
  top: 20px; right: 24px;
  width: 46px; height: 46px;
  border-radius: 50%;
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.14);
  color: #fff;
  font-size: 1.15rem;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  transition: background 0.2s, transform 0.2s;
  z-index: 2001;
}
.sm-close:hover { background: rgba(255,255,255,0.15); transform: rotate(90deg); }

.sm-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 72px 40px 60px;
}

.sm-header {
  text-align: center;
  margin-bottom: 52px;
}
.sm-logo {
  font-size: 1.7rem;
  font-weight: 800;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-bottom: 8px;
}
.sm-logo i { color: #6366f1; filter: drop-shadow(0 0 12px rgba(99,102,241,0.8)); }
.sm-tagline { color: var(--text-muted); font-size: 0.9rem; }

.sm-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-bottom: 48px;
}

.sm-group-label {
  font-size: 0.7rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-dim);
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 7px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}
.sm-group-label i { font-size: 0.75rem; }

.sm-item {
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 9px 11px;
  border-radius: 12px;
  border: 1px solid transparent;
  text-decoration: none;
  margin-bottom: 3px;
  transition: background 0.18s, border-color 0.18s, transform 0.18s;
}
.sm-item:hover {
  background: rgba(255,255,255,0.06);
  border-color: rgba(255,255,255,0.1);
  transform: translateX(4px);
}

.sm-item-icon {
  width: 38px; height: 38px;
  border-radius: 10px;
  background: color-mix(in srgb, var(--sic) 14%, transparent);
  border: 1px solid color-mix(in srgb, var(--sic) 28%, transparent);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.88rem;
  color: var(--sic);
  flex-shrink: 0;
  transition: box-shadow 0.18s;
}
.sm-item:hover .sm-item-icon {
  box-shadow: 0 0 14px color-mix(in srgb, var(--sic) 45%, transparent);
}

.sm-item-body {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.sm-item-body strong {
  font-size: 0.84rem;
  font-weight: 700;
  color: #fff;
  line-height: 1.2;
}
.sm-item-body span {
  font-size: 0.71rem;
  color: var(--text-muted);
  line-height: 1.3;
}

.sm-footer {
  display: flex;
  justify-content: center;
  padding-top: 28px;
  border-top: 1px solid var(--border);
}
.sm-os-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 13px 32px;
  border-radius: 50px;
  background: linear-gradient(135deg, var(--primary), var(--cyan));
  color: #fff;
  font-size: 0.9rem;
  font-weight: 700;
  text-decoration: none;
  box-shadow: 0 0 36px rgba(99,102,241,0.35);
  transition: transform 0.22s, box-shadow 0.22s;
}
.sm-os-btn:hover { transform: translateY(-3px); box-shadow: 0 10px 50px rgba(99,102,241,0.6); }

/* smart menu responsive */
@media (max-width: 900px) {
  .sm-grid { grid-template-columns: repeat(2, 1fr); }
  .sm-inner { padding: 70px 24px 48px; }
}
@media (max-width: 500px) {
  .sm-grid { grid-template-columns: 1fr; }
  .sm-inner { padding: 66px 18px 40px; }
}

/* ============================================================
   AI CHAT PANEL
   ============================================================ */
.ai-chat-panel {
  position: fixed;
  top: 0; right: 0;
  width: 400px;
  max-width: 100vw;
  height: 100svh;
  z-index: 1900;
  background: rgba(6,10,26,0.97);
  backdrop-filter: blur(32px) saturate(130%);
  -webkit-backdrop-filter: blur(32px) saturate(130%);
  border-left: 1px solid rgba(99,102,241,0.22);
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform 0.35s cubic-bezier(0.4,0,0.2,1);
  box-shadow: -8px 0 60px rgba(0,0,0,0.5);
}
.ai-chat-panel.open { transform: translateX(0); }

.ai-chat-backdrop {
  position: fixed;
  inset: 0;
  z-index: 1850;
  background: rgba(2,8,23,0.45);
  backdrop-filter: blur(3px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
}
.ai-chat-backdrop.show { opacity: 1; pointer-events: auto; }

/* header */
.acp-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 20px;
  border-bottom: 1px solid rgba(99,102,241,0.2);
  flex-shrink: 0;
  background: rgba(99,102,241,0.07);
}
.acp-title {
  display: flex;
  align-items: center;
  gap: 12px;
}
.acp-avatar-icon {
  width: 40px; height: 40px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(99,102,241,0.3), rgba(6,182,212,0.2));
  border: 1px solid rgba(99,102,241,0.4);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
  color: #6366f1;
  flex-shrink: 0;
}
.acp-title strong { display: block; font-size: 0.95rem; font-weight: 800; color: #fff; }
.acp-title span  { display: block; font-size: 0.73rem; color: var(--text-muted); }
.acp-close {
  width: 34px; height: 34px;
  border-radius: 50%;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  color: var(--text-muted);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
  font-size: 0.95rem;
}
.acp-close:hover { background: rgba(255,255,255,0.12); color: #fff; }

/* messages */
.acp-messages {
  flex: 1;
  overflow-y: auto;
  padding: 20px 16px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  scrollbar-width: thin;
  scrollbar-color: rgba(99,102,241,0.25) transparent;
}

.acp-msg {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  animation: acpFadeIn 0.25s ease;
}
@keyframes acpFadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

.acp-bubble {
  background: rgba(26,32,53,0.9);
  border: 1px solid rgba(99,102,241,0.18);
  border-radius: 0 14px 14px 14px;
  padding: 11px 14px;
  font-size: 0.84rem;
  color: var(--text-muted);
  line-height: 1.65;
  max-width: 100%;
}
.acp-bubble strong { color: #fff; }
.acp-bubble br { display: block; margin: 3px 0; }

.acp-msg--user { flex-direction: row-reverse; }
.acp-msg--user .acp-bubble {
  background: rgba(99,102,241,0.18);
  border-color: rgba(99,102,241,0.35);
  border-radius: 14px 0 14px 14px;
  color: #e2e8f0;
}

/* typing dots */
.acp-typing .acp-bubble {
  padding: 14px 18px;
}
.acp-dots {
  display: flex; gap: 4px; align-items: center;
}
.acp-dots span {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--primary);
  animation: acpDot 1.2s ease-in-out infinite;
}
.acp-dots span:nth-child(2) { animation-delay: 0.2s; }
.acp-dots span:nth-child(3) { animation-delay: 0.4s; }
@keyframes acpDot {
  0%,80%,100% { transform: scale(0.6); opacity: 0.4; }
  40%         { transform: scale(1);   opacity: 1; }
}

/* suggestion chips */
.acp-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  padding-top: 4px;
}
.acp-chip {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--primary);
  background: rgba(99,102,241,0.1);
  border: 1px solid rgba(99,102,241,0.28);
  border-radius: 50px;
  padding: 5px 13px;
  cursor: pointer;
  transition: background 0.18s, border-color 0.18s, color 0.18s;
  font-family: inherit;
}
.acp-chip:hover {
  background: rgba(99,102,241,0.22);
  border-color: rgba(99,102,241,0.55);
  color: #fff;
}

/* input */
.acp-input-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
  border-top: 1px solid rgba(99,102,241,0.15);
  flex-shrink: 0;
  background: rgba(2,8,23,0.5);
}
.acp-input {
  flex: 1;
  background: rgba(26,32,53,0.8);
  border: 1px solid rgba(99,102,241,0.25);
  border-radius: 50px;
  padding: 10px 18px;
  font-size: 0.84rem;
  color: #fff;
  font-family: inherit;
  outline: none;
  transition: border-color 0.2s;
}
.acp-input::placeholder { color: var(--text-dim); }
.acp-input:focus { border-color: rgba(99,102,241,0.6); box-shadow: 0 0 0 3px rgba(99,102,241,0.1); }
.acp-send {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--cyan));
  border: none;
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.88rem;
  cursor: pointer;
  flex-shrink: 0;
  transition: transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 2px 12px rgba(99,102,241,0.35);
}
.acp-send:hover { transform: scale(1.1); box-shadow: 0 4px 20px rgba(99,102,241,0.55); }

@media (max-width: 480px) {
  .ai-chat-panel { width: 100vw; }
}
@media (max-width: 480px) {
  .nav-ctrl-btn span { display: none; }
  .nav-ctrl-btn { padding: 9px 12px; border-radius: 10px; }
}

/* ============================================================
   HOMEPAGE CHALLENGES & SOLUTIONS HIGHLIGHT
   ============================================================ */
.cs-highlight {
  position: relative;
  background:
    radial-gradient(circle at 14% 14%, rgba(99,102,241,0.14), transparent 40%),
    radial-gradient(circle at 88% 86%, rgba(16,185,129,0.12), transparent 42%),
    rgba(9,14,33,0.82);
  overflow: hidden;
}

.cs-matrix-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  opacity: 0.28;
  pointer-events: none;
}

/* ── Brand Ticker ── */
.brand-ticker {
  background: #0a0f24;
  border-top: 1px solid rgba(99,102,241,0.18);
  border-bottom: 1px solid rgba(99,102,241,0.18);
  padding: 0;
  display: flex;
  align-items: center;
  gap: 0;
  overflow: hidden;
  position: relative;
}
.brand-ticker__label {
  flex-shrink: 0;
  padding: 0 1.4rem;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(99,102,241,0.7);
  white-space: nowrap;
  border-right: 1px solid rgba(99,102,241,0.18);
  height: 100%;
  display: flex;
  align-items: center;
  min-height: 72px;
  background: #0a0f24;
  z-index: 2;
}
.brand-ticker__track-wrap {
  flex: 1;
  overflow: hidden;
  -webkit-mask-image: linear-gradient(to right, transparent 0%, #000 6%, #000 94%, transparent 100%);
  mask-image: linear-gradient(to right, transparent 0%, #000 6%, #000 94%, transparent 100%);
}
.brand-ticker__track {
  display: flex;
  align-items: center;
  gap: 0;
  width: max-content;
  animation: brandScroll 36s linear infinite;
}
.brand-ticker__track:hover {
  animation-play-state: paused;
}
@keyframes brandScroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}
.brand-logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.25rem;
  padding: 0.85rem 1.8rem;
  min-width: 110px;
  border-right: 1px solid rgba(255,255,255,0.06);
  transition: background 0.2s;
  cursor: default;
  min-height: 72px;
}
.brand-logo:hover {
  background: rgba(99,102,241,0.1);
}
.bl-abbr {
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  color: #fff;
  line-height: 1;
}
.bl-name {
  font-size: 0.58rem;
  color: rgba(180,190,220,0.6);
  text-align: center;
  line-height: 1.3;
  letter-spacing: 0.02em;
}
@media (prefers-reduced-motion: reduce) {
  .brand-ticker__track { animation: none; }
}

.cs-highlight .container {
  position: relative;
  z-index: 1;
}

/* ── AI Iceberg Section (Redesigned) ── */
.ai-iceberg {
  position: relative;
  overflow: hidden;
  background: linear-gradient(180deg, #040e24 0%, #02091a 100%);
  padding: 0;
}

.aib-wrap {
  max-width: 1400px;
  margin: 0 auto;
  padding: 3rem 2rem 2rem;
}

/* Header */
.aib-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1.8rem;
  padding-bottom: 1.2rem;
  border-bottom: 1px solid rgba(96,165,250,0.25);
}
.aib-h-tag {
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.22em;
  color: #60a5fa;
  margin-bottom: 0.35rem;
  text-transform: uppercase;
}
.aib-h-title {
  font-size: clamp(0.95rem, 2vw, 1.45rem);
  font-weight: 800;
  color: #e8f0ff;
  line-height: 1.3;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin: 0;
}
.aib-h-right { text-align: right; }
.aib-h-brand {
  font-size: clamp(0.85rem, 1.6vw, 1.1rem);
  font-weight: 800;
  color: #60a5fa;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.aib-h-univ {
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  color: rgba(180,210,255,0.55);
  text-transform: uppercase;
}

/* 3-column grid */
.aib-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1.6fr;
  gap: 0 1rem;
  align-items: start;
}

/* ── LEFT: Layer cards ── */
.aib-left {
  display: flex;
  flex-direction: column;
}
.aib-layer {
  border-left: 3px solid var(--lc);
  background: rgba(8,16,40,0.7);
  padding: 0.8rem 1rem;
  transition: background .2s;
}
.aib-layer:hover { background: rgba(12,24,56,0.9); }
.aib-layer + .aib-layer {
  border-top: 1px solid rgba(255,255,255,0.05);
}
.aib-waterline-label {
  text-align: center;
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  color: #06b6d4;
  padding: 0.38rem 0;
  background: linear-gradient(90deg, transparent, rgba(6,182,212,0.12), transparent);
  border-top: 1px solid rgba(6,182,212,0.45);
  border-bottom: 1px solid rgba(6,182,212,0.45);
}
.aib-layer-head {
  display: flex;
  flex-direction: column;
  gap: 0.08rem;
  margin-bottom: 0.45rem;
}
.aib-layer-name {
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  color: var(--lc);
  text-transform: uppercase;
}
.aib-layer-sub {
  font-size: 0.62rem;
  letter-spacing: 0.07em;
  color: rgba(170,195,240,0.55);
  text-transform: uppercase;
}
.aib-layer-tools {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}
.aib-tool {
  display: flex;
  gap: 0.4rem;
  align-items: flex-start;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(96,165,250,0.14);
  border-radius: 6px;
  padding: 0.38rem 0.55rem;
  flex: 1;
  min-width: 90px;
}
.aib-tool > i {
  font-size: 1.05rem;
  color: #60a5fa;
  margin-top: 2px;
  flex-shrink: 0;
}
.aib-tool strong {
  font-size: 0.7rem;
  color: #c8d8f8;
  display: block;
  margin-bottom: 0.2rem;
}
.aib-tool ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.aib-tool ul li {
  font-size: 0.6rem;
  color: rgba(155,180,230,0.75);
  line-height: 1.65;
}
.aib-tool ul li::before { content: "• "; color: #60a5fa; }
.aib-bullets {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.1rem 0.9rem;
}
.aib-bullets li {
  font-size: 0.68rem;
  color: rgba(165,190,235,0.82);
  line-height: 1.75;
}
.aib-bullets li::before { content: "• "; color: var(--lc); }

/* ── CENTER: Iceberg visual ── */
.aib-center {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-top: 0.5rem;
  position: relative;
}
.aib-cloud {
  position: relative;
  width: 110px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.6rem;
}
.aib-cloud > .fa-cloud {
  position: absolute;
  font-size: 5.2rem;
  color: rgba(130,165,255,0.3);
  filter: drop-shadow(0 0 18px rgba(100,140,255,0.45));
}
.aib-cloud-label {
  position: relative;
  z-index: 1;
  font-size: 1.7rem;
  font-weight: 900;
  color: #60a5fa;
  letter-spacing: 0.1em;
  text-shadow: 0 0 22px rgba(96,165,250,0.9);
}
.aib-cloud-dots {
  position: absolute;
  bottom: -20px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}
.aib-cloud-dots span {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: rgba(96,165,250,0.7);
  animation: aibDotPulse 1.8s ease-in-out infinite;
}
.aib-cloud-dots span:nth-child(2) { animation-delay: .35s; }
.aib-cloud-dots span:nth-child(3) { animation-delay: .7s; }
@keyframes aibDotPulse {
  0%, 100% { opacity: 0.25; transform: scaleY(1); }
  50% { opacity: 1; transform: scaleY(1.3); }
}

.aib-berg {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
}
.aib-berg-above {
  width: 0;
  height: 0;
  border-left: 60px solid transparent;
  border-right: 60px solid transparent;
  border-bottom: 130px solid rgba(215,232,255,0.88);
  filter: drop-shadow(0 0 24px rgba(140,185,255,0.55));
  animation: aibBergFloat 7s ease-in-out infinite;
}
@keyframes aibBergFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}
.aib-berg-water-line {
  width: 120%;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(6,182,212,0.95), transparent);
  box-shadow: 0 0 14px rgba(6,182,212,0.55);
  position: relative;
  margin: 5px 0;
}
.aib-berg-water-line span {
  position: absolute;
  right: 0;
  top: -14px;
  font-size: 0.54rem;
  letter-spacing: 0.1em;
  color: rgba(6,182,212,0.85);
  text-transform: uppercase;
  white-space: nowrap;
}
.aib-berg-below {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  width: 100%;
}
.aib-berg-seg {
  height: 24px;
  width: var(--w);
  background: linear-gradient(
    180deg,
    color-mix(in srgb, var(--lc) 45%, rgba(2,14,50,0.9)),
    color-mix(in srgb, var(--lc) 22%, rgba(1,8,30,0.95))
  );
  border-radius: 2px;
  border: 1px solid color-mix(in srgb, var(--lc) 55%, transparent);
  box-shadow: 0 0 10px color-mix(in srgb, var(--lc) 28%, transparent);
}

/* connector dots on the right of center column */
.aib-connect-dots {
  position: absolute;
  right: -6px;
  top: 100px;
  bottom: 0;
  width: 10px;
  pointer-events: none;
}
.aib-connect-dots span {
  position: absolute;
  right: 0;
  top: var(--p);
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(160,195,255,0.35);
  border: 1px solid rgba(160,195,255,0.65);
}

/* ── RIGHT: Lab cards ── */
.aib-right {
  display: flex;
  flex-direction: column;
}
.aib-lab-card {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  border: 1px solid color-mix(in srgb, var(--lc) 28%, transparent);
  background: rgba(4,12,34,0.82);
  padding: 0.65rem 0.8rem;
  transition: background .2s, border-color .22s;
  cursor: default;
}
.aib-lab-card + .aib-lab-card { border-top: none; }
.aib-lab-card:hover {
  background: rgba(8,20,54,0.95);
  border-color: color-mix(in srgb, var(--lc) 58%, transparent);
}
.aib-lab-img {
  width: 78px;
  height: 58px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  flex-shrink: 0;
  position: relative;
  overflow: hidden;
}
.aib-lab-img::after {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    rgba(255,255,255,0.025) 0px,
    rgba(255,255,255,0.025) 1px,
    transparent 1px,
    transparent 4px
  );
}
.aib-lab-air     { background: linear-gradient(135deg,#0a1840,#1a3070); color:#60a5fa; }
.aib-lab-control { background: linear-gradient(135deg,#031820,#063248); color:#06b6d4; }
.aib-lab-models  { background: linear-gradient(135deg,#100a32,#201262); color:#6366f1; }
.aib-lab-infra   { background: linear-gradient(135deg,#041a12,#0a2e1e); color:#10b981; }
.aib-lab-fab     { background: linear-gradient(135deg,#1c1000,#2e1c00); color:#f59e0b; }
.aib-lab-deploy  { background: linear-gradient(135deg,#1c0524,#2c0838); color:#ec4899; }
.aib-lab-monitor { background: linear-gradient(135deg,#0e0828,#181042); color:#8b5cf6; }

.aib-lab-info { flex: 1; min-width: 0; }
.aib-lab-tag {
  font-size: 0.58rem;
  letter-spacing: 0.1em;
  color: var(--lc);
  text-transform: uppercase;
  font-weight: 700;
  margin-bottom: 0.18rem;
}
.aib-lab-name {
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  color: #d0ddf8;
  text-transform: uppercase;
  margin-bottom: 0.12rem;
}
.aib-lab-desc {
  font-size: 0.6rem;
  color: rgba(150,175,225,0.6);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ── Footer banner ── */
.aib-footer {
  margin-top: 2rem;
  text-align: center;
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(170,195,240,0.55);
  padding: 0.85rem 1rem;
  border: 1px solid rgba(96,165,250,0.15);
  background: rgba(8,18,48,0.4);
}

/* Responsive */
@media (max-width: 960px) {
  .aib-grid { grid-template-columns: 1fr 1fr; }
  .aib-center { display: none; }
  .aib-connect-dots { display: none; }
}
@media (max-width: 600px) {
  .aib-grid { grid-template-columns: 1fr; }
  .aib-right { margin-top: 1rem; }
  .aib-header { flex-direction: column; gap: 0.5rem; }
  .aib-h-right { text-align: left; }
}

.cs-radar {
  position: relative;
  height: 150px;
  margin: 8px 0 24px;
  border: 1px solid rgba(99,102,241,0.2);
  border-radius: 16px;
  background: linear-gradient(160deg, rgba(26,32,53,0.75), rgba(13,18,36,0.8));
  overflow: hidden;
}

.cs-ring {
  position: absolute;
  top: 50%;
  left: 50%;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  border: 1px dashed rgba(99,102,241,0.25);
}

.cs-ring--1 { width: 80px; height: 80px; }
.cs-ring--2 { width: 138px; height: 138px; opacity: 0.7; }
.cs-ring--3 { width: 210px; height: 210px; opacity: 0.45; animation: csSpin 16s linear infinite; }

.cs-blip {
  position: absolute;
  left: var(--bx);
  top: var(--by);
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #5eead4;
  box-shadow: 0 0 0 0 rgba(94,234,212,0.55);
  animation: csPulse 2.4s ease-out infinite;
  animation-delay: var(--bd);
}

@keyframes csPulse {
  0% { transform: scale(1); box-shadow: 0 0 0 0 rgba(94,234,212,0.45); }
  70% { transform: scale(1.2); box-shadow: 0 0 0 14px rgba(94,234,212,0); }
  100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(94,234,212,0); }
}

@keyframes csSpin {
  from { transform: translate(-50%, -50%) rotate(0deg); }
  to { transform: translate(-50%, -50%) rotate(360deg); }
}

.cs-grid {
  display: grid;
  grid-template-columns: 1fr 80px 1fr;
  gap: 16px;
  align-items: stretch;
}

.cs-col {
  background: linear-gradient(145deg, rgba(26,32,53,0.9), rgba(13,18,36,0.9));
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 20px;
  position: relative;
  overflow: hidden;
}

.cs-col::before {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(circle at 0% 0%, rgba(255,255,255,0.07), transparent 52%);
}

.cs-col h3 {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 1rem;
  color: #fff;
  margin-bottom: 14px;
}

.cs-col--challenge h3 i { color: #818cf8; }
.cs-col--solution h3 i { color: #34d399; }

.cs-list {
  display: grid;
  gap: 10px;
}

.cs-item {
  display: flex;
  gap: 11px;
  align-items: flex-start;
  border: 1px solid color-mix(in srgb, var(--csclr) 30%, transparent);
  background: color-mix(in srgb, var(--csclr) 10%, transparent);
  border-radius: 12px;
  padding: 11px 12px;
  transition: var(--transition);
}

.cs-item:hover {
  transform: translateY(-2px);
  border-color: color-mix(in srgb, var(--csclr) 55%, transparent);
  box-shadow: 0 8px 20px color-mix(in srgb, var(--csclr) 18%, transparent);
}

.cs-item--active {
  border-color: color-mix(in srgb, var(--csclr) 70%, transparent);
  box-shadow: 0 10px 24px color-mix(in srgb, var(--csclr) 26%, transparent);
  transform: translateY(-2px) scale(1.01);
}

.cs-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
  margin-top: 5px;
  background: var(--csclr);
  box-shadow: 0 0 0 0 color-mix(in srgb, var(--csclr) 65%, transparent);
  animation: csDotBeat 2s ease-in-out infinite;
}

@keyframes csDotBeat {
  0%, 100% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--csclr) 45%, transparent); }
  50% { box-shadow: 0 0 0 7px color-mix(in srgb, var(--csclr) 0%, transparent); }
}

.cs-item strong {
  display: block;
  font-size: 0.84rem;
  color: #fff;
  margin-bottom: 3px;
}

.cs-item p {
  font-size: 0.78rem;
  color: var(--text-muted);
  line-height: 1.58;
}

.cs-bridge {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.cs-flow {
  position: absolute;
  inset: 14px auto 14px auto;
  width: 2px;
  background: linear-gradient(180deg, rgba(99,102,241,0.2), rgba(16,185,129,0.5), rgba(99,102,241,0.2));
  border-radius: 99px;
  overflow: hidden;
}

.cs-flow::after {
  content: '';
  position: absolute;
  top: -26px;
  left: -3px;
  width: 8px;
  height: 26px;
  border-radius: 10px;
  background: linear-gradient(180deg, rgba(16,185,129,0), rgba(16,185,129,0.95), rgba(16,185,129,0));
  animation: csFlowMove 2s linear infinite;
}

@keyframes csFlowMove {
  from { transform: translateY(0); }
  to { transform: translateY(220px); }
}

.cs-arrow {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: #fff;
  border: 1px solid rgba(16,185,129,0.42);
  background: rgba(16,185,129,0.18);
  box-shadow: 0 0 18px rgba(16,185,129,0.3);
  animation: csArrowBreath 1.7s ease-in-out infinite;
}

@keyframes csArrowBreath {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.08); }
}

.cs-cta {
  margin-top: 18px;
  display: flex;
  justify-content: center;
}

.cs-story {
  margin-top: 18px;
  padding: 20px;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: linear-gradient(145deg, rgba(26,32,53,0.84), rgba(13,18,36,0.84));
  position: relative;
  overflow: hidden;
}

.cs-story::before {
  content: '';
  position: absolute;
  inset: -30% auto auto -15%;
  width: 55%;
  height: 180%;
  background: radial-gradient(circle, rgba(99,102,241,0.14), transparent 62%);
  pointer-events: none;
}

.cs-story h3 {
  display: flex;
  align-items: center;
  gap: 9px;
  color: #fff;
  font-size: 0.96rem;
  margin-bottom: 14px;
}

.cs-story h3 i { color: #22d3ee; }

.cs-story-track {
  position: relative;
  height: 3px;
  border-radius: 99px;
  background: linear-gradient(90deg, rgba(99,102,241,0.25), rgba(16,185,129,0.28), rgba(236,72,153,0.25));
  margin-bottom: 16px;
  overflow: hidden;
}

.cs-story-track span {
  position: absolute;
  top: -2px;
  left: -18%;
  width: 18%;
  height: 7px;
  border-radius: 10px;
  background: linear-gradient(90deg, rgba(255,255,255,0), rgba(94,234,212,0.95), rgba(255,255,255,0));
  animation: csStoryRun 3s linear infinite;
}

@keyframes csStoryRun {
  from { transform: translateX(0); }
  to { transform: translateX(700%); }
}

.cs-story-steps {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 10px;
}

.cs-story-step {
  border: 1px solid color-mix(in srgb, var(--sclr) 32%, transparent);
  background: color-mix(in srgb, var(--sclr) 11%, transparent);
  border-radius: 12px;
  padding: 10px;
  position: relative;
  transition: var(--transition);
}

.cs-story-step:hover {
  transform: translateY(-2px);
  border-color: color-mix(in srgb, var(--sclr) 58%, transparent);
  box-shadow: 0 8px 18px color-mix(in srgb, var(--sclr) 22%, transparent);
}

.cs-story-step--active {
  border-color: color-mix(in srgb, var(--sclr) 70%, transparent);
  box-shadow: 0 10px 22px color-mix(in srgb, var(--sclr) 28%, transparent);
  transform: translateY(-2px);
}

.cs-story-step--active .cs-story-num {
  box-shadow: 0 0 0 8px color-mix(in srgb, var(--sclr) 20%, transparent);
}

.cs-story-num {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 0.66rem;
  font-weight: 800;
  color: #fff;
  background: color-mix(in srgb, var(--sclr) 70%, #111827);
  margin-bottom: 7px;
}

.cs-story-step h4 {
  font-size: 0.78rem;
  color: #fff;
  margin-bottom: 4px;
}

.cs-story-step p {
  font-size: 0.72rem;
  color: var(--text-muted);
  line-height: 1.52;
}

@media (max-width: 980px) {
  .cs-grid {
    grid-template-columns: 1fr;
  }

  .cs-story-steps {
    grid-template-columns: 1fr 1fr;
  }

  .cs-bridge {
    min-height: 56px;
  }

  .cs-flow {
    width: 80%;
    height: 2px;
    inset: 50% auto auto 50%;
    transform: translate(-50%, -50%);
    background: linear-gradient(90deg, rgba(99,102,241,0.2), rgba(16,185,129,0.55), rgba(99,102,241,0.2));
  }

  .cs-flow::after {
    top: -3px;
    left: -26px;
    width: 26px;
    height: 8px;
    background: linear-gradient(90deg, rgba(16,185,129,0), rgba(16,185,129,0.95), rgba(16,185,129,0));
    animation: csFlowMoveX 2s linear infinite;
  }

  @keyframes csFlowMoveX {
    from { transform: translateX(0); }
    to { transform: translateX(72vw); }
  }

  .cs-arrow i {
    transform: rotate(90deg);
  }
}

@media (max-width: 640px) {
  .cs-story-steps {
    grid-template-columns: 1fr;
  }
}

/* ===== SPLASH INTRO SCREEN ===== */
.splash-screen {
  position: fixed;
  inset: 0;
  z-index: 99999;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #020817;
  overflow: hidden;
  transition: opacity 0.7s ease, visibility 0.7s ease;
}
.splash-screen.splash-out {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}
.splash-matrix {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.18;
}
.splash-glow {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  filter: blur(80px);
}
.splash-glow--1 {
  width: 55vw; height: 55vw;
  top: -18%; left: -12%;
  background: radial-gradient(circle, rgba(99,102,241,0.28), transparent 65%);
}
.splash-glow--2 {
  width: 45vw; height: 45vw;
  bottom: -15%; right: -8%;
  background: radial-gradient(circle, rgba(6,182,212,0.22), transparent 65%);
}
.splash-content {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  text-align: center;
  padding: 2rem;
}
.splash-logo-ring {
  position: relative;
  width: 130px;
  height: 130px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.4rem;
}
.splash-ring-svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  animation: splashRingSpin 18s linear infinite;
}
@keyframes splashRingSpin {
  to { transform: rotate(360deg); }
}
.splash-globe-icon {
  font-size: 3.2rem;
  background: linear-gradient(135deg, #6366f1, #06b6d4);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 0 22px rgba(99,102,241,0.7));
  animation: splashGlobePulse 3s ease-in-out infinite;
}
@keyframes splashGlobePulse {
  0%, 100% { filter: drop-shadow(0 0 22px rgba(99,102,241,0.7)); }
  50% { filter: drop-shadow(0 0 38px rgba(6,182,212,0.9)); }
}
.splash-und {
  font-size: 0.65rem;
  letter-spacing: 0.28em;
  color: rgba(150,175,240,0.6);
  text-transform: uppercase;
  margin-bottom: 0.8rem;
  font-weight: 600;
}
.splash-title {
  font-size: clamp(2.8rem, 9vw, 6.5rem);
  font-weight: 900;
  line-height: 1.0;
  margin: 0 0 1rem;
  letter-spacing: -0.02em;
}
.splash-word {
  display: inline-block;
  opacity: 0;
  transform: translateY(40px);
  animation: splashWordIn 0.7s cubic-bezier(0.22,1,0.36,1) forwards;
}
.splash-word--smart {
  color: #e8f0ff;
  animation-delay: 0.3s;
}
.splash-word--world {
  background: linear-gradient(90deg, #6366f1, #06b6d4);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation-delay: 0.55s;
  margin-left: 0.25em;
}
.splash-word--lab {
  color: rgba(200,215,255,0.9);
  font-size: 0.55em;
  letter-spacing: 0.35em;
  display: block;
  text-transform: uppercase;
  animation-delay: 0.8s;
  margin-top: 0.15em;
}
@keyframes splashWordIn {
  to { opacity: 1; transform: translateY(0); }
}
.splash-tagline {
  font-size: clamp(0.72rem, 1.8vw, 0.95rem);
  color: rgba(140,170,235,0.65);
  letter-spacing: 0.08em;
  margin: 0 0 2rem;
  opacity: 0;
  animation: splashFadeIn 0.6s ease 1.2s forwards;
}
@keyframes splashFadeIn {
  to { opacity: 1; }
}
.splash-progress-bar {
  width: min(340px, 80vw);
  height: 2px;
  background: rgba(99,102,241,0.2);
  border-radius: 99px;
  overflow: hidden;
  margin-bottom: 2rem;
  opacity: 0;
  animation: splashFadeIn 0.4s ease 1.4s forwards;
}
.splash-progress-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, #6366f1, #06b6d4);
  border-radius: 99px;
  transition: width 0.05s linear;
  box-shadow: 0 0 10px rgba(99,102,241,0.7);
}
.splash-enter-btn {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.85rem 2.2rem;
  background: linear-gradient(135deg, #6366f1, #4f46e5);
  border: none;
  border-radius: 99px;
  color: #fff;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  cursor: pointer;
  opacity: 0;
  transform: translateY(12px);
  animation: splashBtnIn 0.6s cubic-bezier(0.22,1,0.36,1) 1.6s forwards;
  box-shadow: 0 8px 32px rgba(99,102,241,0.45);
  transition: transform 0.18s, box-shadow 0.18s, background 0.18s;
  text-transform: uppercase;
}
.splash-enter-btn:hover {
  transform: translateY(-2px) scale(1.04);
  box-shadow: 0 14px 42px rgba(99,102,241,0.65);
  background: linear-gradient(135deg, #818cf8, #6366f1);
}
@keyframes splashBtnIn {
  to { opacity: 1; transform: translateY(0); }
}
.splash-corner {
  position: absolute;
  font-size: 0.58rem;
  letter-spacing: 0.22em;
  color: rgba(130,155,220,0.28);
  text-transform: uppercase;
  font-weight: 700;
}
.splash-corner--tl { top: 1.4rem; left: 1.6rem; }
.splash-corner--br { bottom: 1.4rem; right: 1.6rem; }
/* hide scrollbar while splash is showing */
body.splash-active { overflow: hidden; }

/* ===== PRESENTATION PDF OVERLAY ===== */
body.pres-open {
  overflow: hidden;
}

.pres-overlay {
  position: fixed;
  inset: 0;
  z-index: 12000;
  display: flex;
  align-items: stretch;
  justify-content: center;
  padding: 16px;
  background: rgba(2,8,23,0.85);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.25s ease, visibility 0.25s ease;
}

.pres-overlay.open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.pres-shell {
  width: min(1400px, 100%);
  height: 100%;
  display: grid;
  grid-template-rows: auto 1fr auto;
  background: linear-gradient(160deg, rgba(15,23,42,0.96), rgba(2,8,23,0.98));
  border: 1px solid rgba(148,163,184,0.25);
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 25px 70px rgba(0,0,0,0.55);
}

.pres-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 14px;
  border-bottom: 1px solid rgba(148,163,184,0.2);
  background: rgba(15,23,42,0.75);
}

.pres-brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #e2e8f0;
  font-weight: 700;
  font-size: 0.95rem;
}

.pres-brand i {
  color: #f87171;
}

.pres-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.pres-action-link,
.pres-close {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 1px solid rgba(148,163,184,0.35);
  border-radius: 10px;
  padding: 7px 10px;
  background: rgba(30,41,59,0.65);
  color: #e2e8f0;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  font-family: inherit;
}

.pres-close {
  padding: 7px 11px;
}

.pres-action-link:hover,
.pres-close:hover {
  background: rgba(51,65,85,0.95);
  border-color: rgba(148,163,184,0.65);
}

.pres-body {
  min-height: 0;
  background: #0b1220;
}

.pres-frame {
  width: 100%;
  height: 100%;
  border: 0;
  background: #0f172a;
}

.pres-footer {
  padding: 8px 14px;
  border-top: 1px solid rgba(148,163,184,0.2);
  background: rgba(15,23,42,0.72);
}

.pres-footer p {
  font-size: 0.78rem;
  color: #94a3b8;
}

@media (max-width: 900px) {
  .pres-overlay {
    padding: 8px;
  }

  .pres-shell {
    border-radius: 10px;
  }

  .pres-action-link span {
    display: none;
  }

  .pres-header {
    padding: 10px;
  }

  .pres-brand {
    font-size: 0.86rem;
  }
}