/* ======================================================
   CSS VARIABLES & RESET
====================================================== */
:root {
  --bg-primary: #040810;
  --bg-secondary: #080f1e;
  --bg-card: #0b1425;
  --bg-card-hover: #0f1c35;
  --surface: #0d1a2e;
  --surface-2: #111f35;

  --cyan: #00d4ff;
  --cyan-dim: #0099bb;
  --cyan-glow: rgba(0, 212, 255, 0.15);
  --cyan-glow-strong: rgba(0, 212, 255, 0.3);

  --electric: #00ffe1;
  --electric-dim: rgba(0, 255, 225, 0.1);

  --gold: #b8860b;
  --gold-dim: rgba(184, 134, 11, 0.15);

  --text-primary: #e8f0fe;
  --text-secondary: #8ba3c7;
  --text-muted: #4d6680;
  --text-accent: #00d4ff;

  --border: rgba(0, 212, 255, 0.12);
  --border-hover: rgba(0, 212, 255, 0.4);

  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 30px rgba(0, 212, 255, 0.2);
  --shadow-glow-strong: 0 0 60px rgba(0, 212, 255, 0.35);

  --radius: 14px;
  --radius-sm: 8px;
  --radius-pill: 999px;

  --nav-h: 72px;
  --max-w: 1280px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="light"] {
  --bg-primary: #f0f4fc;
  --bg-secondary: #e4ecf8;
  --bg-card: #ffffff;
  --bg-card-hover: #f5f8ff;
  --surface: #eaf0fb;
  --surface-2: #dde7f7;

  --cyan: #0077aa;
  --cyan-dim: #005a85;
  --cyan-glow: rgba(0, 119, 170, 0.1);
  --cyan-glow-strong: rgba(0, 119, 170, 0.2);

  --electric: #006b5e;
  --electric-dim: rgba(0, 107, 94, 0.08);

  --text-primary: #0a1628;
  --text-secondary: #3a5070;
  --text-muted: #7a94b0;
  --text-accent: #0077aa;

  --border: rgba(0, 119, 170, 0.15);
  --border-hover: rgba(0, 119, 170, 0.45);

  --shadow-card: 0 4px 24px rgba(0, 40, 80, 0.1);
  --shadow-glow: 0 0 30px rgba(0, 119, 170, 0.12);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: 'Manrope', sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  transition: background-color 0.4s ease, color 0.4s ease;
}

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
ul, ol { list-style: none; }

/* ======================================================
   SCROLLBAR
====================================================== */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-secondary); }
::-webkit-scrollbar-thumb { background: var(--cyan-dim); border-radius: 3px; }

/* ======================================================
   UTILITY
====================================================== */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 5vw, 3rem);
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 1rem;
}
.section-label::before {
  content: '';
  display: block;
  width: 24px;
  height: 2px;
  background: var(--cyan);
}

.section-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(1.9rem, 4vw, 3rem);
  font-weight: 800;
  line-height: 1.15;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
}

.section-sub {
  font-size: 1rem;
  color: var(--text-secondary);
  max-width: 560px;
  line-height: 1.7;
}

.section-header { margin-bottom: 3.5rem; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.72rem 1.6rem;
  border-radius: var(--radius-pill);
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--cyan);
  color: #ffffff;
}
.btn-primary:hover {
  background: var(--electric);
  box-shadow: 0 0 30px rgba(0, 212, 255, 0.5);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--cyan);
  border: 1.5px solid var(--border-hover);
}
.btn-outline:hover {
  background: var(--cyan-glow);
  border-color: var(--cyan);
  transform: translateY(-2px);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border: 1.5px solid var(--border);
  font-size: 0.8rem;
}
.btn-ghost:hover {
  color: var(--cyan);
  border-color: var(--cyan);
  background: var(--cyan-glow);
}

/* Fade-in animation */
.fade-in {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}
.fade-in-delay-1 { transition-delay: 0.1s; }
.fade-in-delay-2 { transition-delay: 0.2s; }
.fade-in-delay-3 { transition-delay: 0.3s; }
.fade-in-delay-4 { transition-delay: 0.4s; }

/* ======================================================
   BACKGROUND GRID TEXTURE
====================================================== */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,212,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,212,255,0.03) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
  z-index: 0;
}

[data-theme="light"] body::before {
  background-image:
    linear-gradient(rgba(0,119,170,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,119,170,0.04) 1px, transparent 1px);
}

/* ======================================================
   NAVIGATION
====================================================== */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  z-index: 1000;
  transition: background var(--transition), box-shadow var(--transition);
}

.nav.scrolled {
  background: rgba(4, 8, 16, 0.85);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  box-shadow: 0 1px 0 var(--border), 0 8px 32px rgba(0,0,0,0.4);
}

[data-theme="light"] .nav.scrolled {
  background: rgba(240, 244, 252, 0.88);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-h);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.nav-logo-img {
  width: 38px;
  height: 38px;
  border-radius: 8px;
  background: var(--surface);
  border: 1.5px solid var(--border);
  object-fit: contain;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.nav-logo-img img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.nav-logo-fallback {
  width: 38px;
  height: 38px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--cyan-glow-strong), var(--bg-card));
  border: 1.5px solid var(--border-hover);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 800;
  color: var(--cyan);
  letter-spacing: -0.01em;
  flex-shrink: 0;
}

.nav-logo-text {
  line-height: 1.2;
}
.nav-logo-text span {
  display: block;
  font-size: 0.65rem;
  font-weight: 400;
  color: var(--text-secondary);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-links a {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  letter-spacing: 0.02em;
  transition: color var(--transition);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0; right: 0;
  height: 1.5px;
  background: var(--cyan);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}

.nav-links a:hover {
  color: var(--text-primary);
}
.nav-links a:hover::after { transform: scaleX(1); }

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}


.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 36px; height: 36px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background: var(--surface);
  border: 1.5px solid var(--border);
}
.hamburger span {
  display: block;
  width: 18px; height: 1.5px;
  background: var(--text-secondary);
  border-radius: 2px;
  transition: all var(--transition);
}

.hamburger.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* Mobile menu */
.mobile-menu {
  display: none;
  position: fixed;
  top: var(--nav-h); left: 0; right: 0;
  background: rgba(4, 8, 16, 0.97);
  backdrop-filter: blur(20px);
  padding: 1.5rem;
  z-index: 999;
  border-bottom: 1px solid var(--border);
  flex-direction: column;
  gap: 0.25rem;
}
[data-theme="light"] .mobile-menu {
  background: rgba(240, 244, 252, 0.97);
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
  display: block;
  padding: 0.85rem 1rem;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}
.mobile-menu a:hover {
  color: var(--cyan);
  background: var(--cyan-glow);
}
.mobile-menu .btn {
  margin-top: 0.5rem;
  justify-content: center;
}

/* ======================================================
   HERO
====================================================== */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  padding-top: var(--nav-h);
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: -2;
}

.hero-bg img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero-bg-fallback {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 70% at 30% 40%, rgba(0,80,120,0.5) 0%, transparent 60%),
    radial-gradient(ellipse 60% 60% at 70% 60%, rgba(0,40,80,0.4) 0%, transparent 55%),
    var(--bg-primary);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(4, 8, 16, 0.3) 0%,
    rgba(4, 8, 16, 0.65) 50%,
    rgba(4, 8, 16, 0.92) 100%
  );
  z-index: -1;
}

[data-theme="light"] .hero-overlay {
  background: linear-gradient(
    180deg,
    rgba(240, 244, 252, 0.2) 0%,
    rgba(240, 244, 252, 0.6) 50%,
    rgba(240, 244, 252, 0.9) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 1;
  padding: 4rem 1.5rem 2rem;
  max-width: 860px;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: rgba(0,212,255,0.08);
  border: 1px solid rgba(0,212,255,0.25);
  border-radius: var(--radius-pill);
  padding: 0.48rem 1.15rem;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 1.75rem;
  animation: fadeDown 0.8s ease both;
}
.hero-eyebrow-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--cyan);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(0,212,255,0.6); }
  50% { opacity: 0.6; box-shadow: 0 0 0 6px rgba(0,212,255,0); }
}

.hero-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(2.8rem, 8vw, 5.5rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 0.5rem;
  animation: fadeUp 0.9s ease 0.15s both;
}

.hero-title-accent {
  display: block;
  background: linear-gradient(90deg, var(--cyan), var(--electric));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(1rem, 2.5vw, 1.35rem);
  font-weight: 600;
  color: var(--text-secondary);
  letter-spacing: 0.01em;
  margin-bottom: 2rem;
  animation: fadeUp 0.9s ease 0.25s both;
}

.hero-meta {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1rem 1.75rem;
  margin-bottom: 2.75rem;
  animation: fadeUp 0.9s ease 0.35s both;
}

.hero-meta-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.88rem;
  color: var(--text-secondary);
}

.hero-meta-item svg {
  flex-shrink: 0;
  color: var(--cyan);
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-bottom: 3rem;
  animation: fadeUp 0.9s ease 0.45s both;
}

.hero-actions .btn { padding: 0.85rem 2rem; font-size: 0.9rem; }

/* Countdown */
.countdown {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  animation: fadeUp 0.9s ease 0.55s both;
}

.countdown-unit {
  text-align: center;
  min-width: 64px;
}

.countdown-num {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  font-weight: 800;
  color: var(--cyan);
  line-height: 1;
  display: block;
  text-shadow: 0 0 20px rgba(0,212,255,0.4);
}

.countdown-label {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  display: block;
  margin-top: 0.3rem;
}

.countdown-sep {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

@keyframes fadeDown {
  from { opacity: 0; transform: translateY(-20px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ======================================================
   ABOUT STRIP
====================================================== */
.about-strip {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 2.25rem 0;
  overflow: hidden;
}

.about-strip-inner {
  display: flex;
  align-items: center;
  justify-content: space-around;
  flex-wrap: wrap;
  gap: 1.5rem 2.5rem;
}

.strip-stat {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.strip-stat-icon {
  width: 42px; height: 42px;
  border-radius: 10px;
  background: var(--cyan-glow);
  border: 1px solid var(--border-hover);
  display: flex; align-items: center; justify-content: center;
  color: var(--cyan);
  flex-shrink: 0;
}

.strip-stat-body strong {
  display: block;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
}
.strip-stat-body span {
  font-size: 0.78rem;
  color: var(--text-secondary);
}

/* ======================================================
   SCHEDULE
====================================================== */
.schedule {
  padding: 7rem 0;
  position: relative;
  z-index: 1;
}

.timeline {
  position: relative;
  padding-left: 2.5rem;
}

.timeline::before {
  content: '';
  position: absolute;
  top: 0; bottom: 0;
  left: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--cyan), rgba(0,212,255,0.05));
}

.timeline-item {
  position: relative;
  margin-bottom: 0;
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 0 2rem;
  align-items: start;
  padding: 1.75rem 0;
  border-bottom: 1px solid var(--border);
  transition: all var(--transition);
}
.timeline-item:last-child { border-bottom: none; }
.timeline-item:hover { background: var(--cyan-glow); }

.timeline-item-jump {
  cursor: pointer;
}

.timeline-item-jump:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 6px;
}

.timeline-dot {
  position: absolute;
  left: -2.5rem;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--bg-primary);
  border: 2.5px solid var(--cyan);
  z-index: 1;
  transition: all var(--transition);
}
.timeline-item:hover .timeline-dot {
  background: var(--cyan);
  box-shadow: 0 0 12px var(--cyan);
}

.timeline-time {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--cyan);
  letter-spacing: 0.04em;
  padding-top: 0.1rem;
  white-space: nowrap;
}

.timeline-content {}
.timeline-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.3rem;
  line-height: 1.3;
}
.timeline-location {
  font-size: 0.8rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 0.35rem;
}
.timeline-location svg { flex-shrink: 0; }

.timeline-badge {
  display: inline-block;
  margin-top: 0.4rem;
  padding: 0.2rem 0.65rem;
  border-radius: var(--radius-pill);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background: var(--gold-dim);
  color: var(--gold);
  border: 1px solid rgba(184, 134, 11, 0.3);
}

/* ======================================================
   TECH PROJECT SHOWCASE
====================================================== */
.showcase {
  padding: 7rem 0;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  position: relative;
  z-index: 1;
}

.showcase-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) * 1.25);
  padding: 2.25rem;
  box-shadow: var(--shadow-card);
  transition: all var(--transition);
}

.showcase-card:hover {
  border-color: var(--border-hover);
  box-shadow: var(--shadow-glow);
}

/* Prize Section */
.showcase-prize {
  display: flex;
  align-items: flex-start;
  gap: 1.5rem;
  padding-bottom: 1.5rem;
}

.showcase-prize-icon {
  width: 64px;
  height: 64px;
  border-radius: 16px;
  background: var(--gold-dim);
  border: 1px solid rgba(184, 134, 11, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gold);
  flex-shrink: 0;
}

.showcase-prize-content {
  flex: 1;
}

.showcase-prize-label {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-pill);
  background: var(--gold-dim);
  border: 1px solid rgba(184, 134, 11, 0.3);
  color: var(--gold);
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}

.showcase-prize-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.2;
  margin-bottom: 0.25rem;
}

.showcase-prize-details {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-bottom: 0.25rem;
}

.showcase-prize-note {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 0.85rem;
  color: var(--cyan);
  font-weight: 500;
}

/* Divider */
.showcase-divider {
  border: none;
  height: 1px;
  background: var(--border);
  margin: 1.5rem 0;
}

/* Details Grid */
.showcase-details-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
}

.showcase-detail-item {
  display: flex;
  gap: 1rem;
}

.showcase-detail-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--cyan-glow);
  border: 1px solid var(--border-hover);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--cyan);
  flex-shrink: 0;
}

.showcase-detail-content h4 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.35rem;
}

.showcase-detail-content p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 0.5rem;
}

.showcase-rubric-link {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  width: fit-content;
  margin-top: 0.35rem;
  text-decoration: none;
}

.showcase-rubric-link:hover {
  text-decoration: none;
}

/* Dates Section */
.showcase-dates {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.5rem 2.5rem;
}

.showcase-date-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.showcase-date-item svg {
  color: var(--cyan);
  flex-shrink: 0;
}

.showcase-date-item strong {
  color: var(--text-primary);
  font-weight: 600;
}

/* Action Button */
.showcase-action {
  margin-top: 1.75rem;
}

.showcase-action .btn {
  width: 100%;
  justify-content: center;
  padding: 0.9rem 2rem;
  font-size: 0.9rem;
}

/* ======================================================
   BREAKOUT SESSIONS
====================================================== */
.breakout {
  padding: 7rem 0;
  position: relative;
  z-index: 1;
}

.section-time-badge,
.breakout-time-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 1rem;
  background: var(--gold-dim);
  border: 1px solid rgba(240,192,64,0.3);
  border-radius: var(--radius-pill);
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--gold);
  letter-spacing: 0.08em;
  margin-bottom: 1.25rem;
}

.breakout-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.75rem;
  align-items: start;
}

.breakout-session-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) * 1.25);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.breakout-session-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: calc(var(--radius) * 1.25);
  opacity: 0;
  transition: opacity var(--transition);
  background: radial-gradient(ellipse 80% 60% at 50% 0%, var(--cyan-glow), transparent);
  pointer-events: none;
}

.breakout-session-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-hover);
  box-shadow: var(--shadow-glow-strong);
  background: var(--bg-card-hover);
}
.breakout-session-card:hover::before {
  opacity: 1;
}

.session-speaker-row {
  display: flex;
  gap: 1rem;
  align-items: center;
}

.session-speaker-photo {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  border: 2px solid var(--border-hover);
  overflow: hidden;
  background: var(--surface);
  flex-shrink: 0;
}

.session-speaker-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
}

.session-speaker-fallback {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--cyan-glow-strong), var(--bg-secondary));
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--cyan);
}

.session-speaker-info {
  flex: 1;
}

.session-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.12rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.3;
  margin: 0;
}

.session-subtitle {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin: -0.45rem 0 0;
  line-height: 1.4;
}

.session-speaker-name {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.3;
}

.session-speaker-title {
  font-size: 0.75rem;
  color: var(--text-muted);
  line-height: 1.4;
}

.session-preview {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin: 0;
}

.session-bio-expand {
  border-top: 1px solid var(--border);
  padding-top: 0.75rem;
}

.session-expand-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--cyan);
  background: transparent;
  border: none;
  cursor: pointer;
  transition: color var(--transition);
}

.session-expand-btn:hover {
  color: var(--electric);
}

.session-expand-btn svg {
  transition: transform 0.25s ease;
}

.session-expand-btn[aria-expanded="true"] svg {
  transform: rotate(180deg);
}

.session-full-bio {
  margin-top: 0.75rem;
  padding-top: 0.75rem;
  border-top: 1px dashed var(--border);
}

.session-full-bio p {
  font-size: 0.8rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 0.75rem;
}

.session-full-bio p:last-child {
  margin-bottom: 0;
}

.session-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: auto;
  padding-top: 0.25rem;
}

.session-linkedin {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 0.9rem;
  border-radius: var(--radius-pill);
  background: rgba(10, 102, 194, 0.12);
  border: 1px solid rgba(10, 102, 194, 0.3);
  color: #5ba4f5;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  transition: all var(--transition);
}

.session-linkedin:hover {
  background: rgba(10, 102, 194, 0.25);
  border-color: rgba(10, 102, 194, 0.6);
  transform: translateY(-1px);
}

.session-room-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-muted);
  padding: 0.4rem 0.9rem;
  border-radius: var(--radius-pill);
  background: var(--surface);
  border: 1px solid var(--border);
}

.session-room-badge svg {
  color: var(--cyan);
}

/* ======================================================
   SPEAKERS
====================================================== */
.speakers {
  padding: 7rem 0;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  position: relative;
  z-index: 1;
}

.speakers-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
}

.speaker-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.8rem 1.35rem;
  text-align: center;
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.72rem;
  position: relative;
  overflow: hidden;
}

.speaker-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--cyan), transparent);
  transform: scaleX(0);
  transition: transform var(--transition);
}

.speaker-card:hover {
  transform: translateY(-5px);
  border-color: var(--border-hover);
  box-shadow: var(--shadow-glow);
}
.speaker-card:hover::after { transform: scaleX(1); }

.speaker-avatar {
  width: 118px; height: 118px;
  border-radius: 50%;
  border: 2.5px solid var(--border-hover);
  overflow: hidden;
  background: var(--surface);
  flex-shrink: 0;
  position: relative;
}

.speaker-avatar img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: top;
}

.speaker-avatar-fallback {
  width: 100%; height: 100%;
  background: linear-gradient(135deg, var(--cyan-glow-strong), var(--bg-secondary));
  display: flex; align-items: center; justify-content: center;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--cyan);
}

.speaker-name {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.25;
}

.speaker-title {
  font-size: 0.8rem;
  color: var(--text-secondary);
  line-height: 1.45;
}

.speaker-company {
  font-size: 0.78rem;
  color: var(--cyan);
  font-weight: 500;
}

.speaker-linkedin {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.38rem 0.9rem;
  border-radius: var(--radius-pill);
  background: rgba(10, 102, 194, 0.12);
  border: 1px solid rgba(10, 102, 194, 0.3);
  color: #5ba4f5;
  font-size: 0.75rem;
  font-weight: 600;
  transition: all var(--transition);
  margin-top: 0.25rem;
}
.speaker-linkedin:hover {
  background: rgba(10, 102, 194, 0.25);
  border-color: rgba(10, 102, 194, 0.6);
  transform: translateY(-1px);
}

.click-hint {
  font-size: 0.7rem;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}

/* ======================================================
   SPEAKER MODAL
====================================================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(2, 5, 12, 0.85);
  backdrop-filter: blur(12px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}
.modal-overlay.open {
  opacity: 1;
  pointer-events: all;
}

.modal {
  background: var(--bg-card);
  border: 1px solid var(--border-hover);
  border-radius: calc(var(--radius) * 1.5);
  padding: 2.5rem;
  max-width: 520px;
  width: 100%;
  max-height: min(85vh, 720px);
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--cyan-dim) transparent;
  position: relative;
  box-shadow: 0 24px 80px rgba(0,0,0,0.6), var(--shadow-glow);
  transform: translateY(20px) scale(0.97);
  transition: transform 0.3s ease;
}

.modal::-webkit-scrollbar {
  width: 4px;
}

.modal::-webkit-scrollbar-track {
  background: transparent;
}

.modal::-webkit-scrollbar-thumb {
  background: var(--cyan-dim);
  border-radius: 999px;
}

.modal::-webkit-scrollbar-thumb:hover {
  background: var(--cyan);
}
.modal-overlay.open .modal {
  transform: translateY(0) scale(1);
}

.modal-close {
  position: absolute;
  top: 1.25rem; right: 1.25rem;
  width: 32px; height: 32px;
  border-radius: 50%;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem;
  transition: all var(--transition);
}
.modal-close:hover {
  background: var(--cyan-glow);
  border-color: var(--cyan);
  color: var(--cyan);
}

.modal-header {
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
  margin-bottom: 1.5rem;
}

.modal-avatar {
  width: 80px; height: 80px;
  border-radius: 50%;
  border: 2px solid var(--border-hover);
  overflow: hidden;
  background: var(--surface);
  flex-shrink: 0;
}
.modal-avatar img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: top;
}
.modal-avatar-fallback {
  width: 100%; height: 100%;
  background: linear-gradient(135deg, var(--cyan-glow-strong), var(--bg-secondary));
  display: flex; align-items: center; justify-content: center;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--cyan);
}

.modal-name {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}
.modal-role {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 0.25rem;
}
.modal-company { color: var(--cyan); font-size: 0.82rem; font-weight: 600; }

.modal-bio {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.modal-bio p + p {
  margin-top: 1rem;
}

.modal-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.modal-footer [hidden] {
  display: none !important;
}


/* ======================================================
   FOOTER
====================================================== */
.footer {
  background: var(--bg-primary);
  border-top: 1px solid var(--border);
  padding: 3rem 0 1.5rem;
  position: relative;
  z-index: 1;
}

.nav,
.nav a,
.nav button,
.footer,
.footer a,
.footer button,
.footer-contact-item,
.footer-brand-desc,
.footer-copyright {
  font-family: 'Manrope', sans-serif;
}

.nav-logo,
.footer-brand-logo,
.footer-col h4,
.back-to-top {
  font-family: 'Space Grotesk', sans-serif;
}

.team {
  padding: 6rem 0;
  position: relative;
  z-index: 1;
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
}

.team-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem 1.25rem;
  text-align: center;
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.team-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-hover);
  box-shadow: var(--shadow-glow);
}

.team-avatar {
  width: 96px;
  height: 96px;
  margin: 0 auto 1rem;
  border-radius: 50%;
  border: 2.5px solid var(--border-hover);
  overflow: hidden;
  background: var(--surface);
  position: relative;
}

.team-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.team-avatar-fallback {
  width: 100%;
  height: 100%;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 0.6rem;
  background: linear-gradient(135deg, var(--cyan-glow-strong), var(--bg-secondary));
  color: var(--cyan);
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.52rem;
  font-weight: 700;
  line-height: 1.2;
  text-transform: uppercase;
}

.team-name {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.team-title {
  font-size: 0.84rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 3rem 2rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 2rem;
}

.footer-brand {}
.footer-brand-logo {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  margin-bottom: 1rem;
}
.footer-brand-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.6;
  max-width: 300px;
  margin-bottom: 1rem;
}

.footer-social {
  display: flex;
  gap: 0.6rem;
}
.footer-social-link {
  width: 34px; height: 34px;
  border-radius: 8px;
  background: var(--surface);
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-muted);
  font-size: 0.85rem;
  transition: all var(--transition);
}
.footer-social-link:hover {
  color: var(--cyan);
  border-color: var(--cyan);
  background: var(--cyan-glow);
}

.footer-col h4 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: 1.1rem;
}

.footer-col ul { display: flex; flex-direction: column; gap: 0.5rem; }
.footer-col a {
  font-size: 0.85rem;
  color: var(--text-muted);
  transition: color var(--transition);
}
.footer-col a:hover { color: var(--cyan); }

.footer-contact-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 0.55rem;
}
.footer-contact-item svg { color: var(--cyan); flex-shrink: 0; }

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.footer-copyright {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.back-to-top {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-pill);
  background: var(--surface);
  border: 1px solid var(--border);
  transition: all var(--transition);
}
.back-to-top:hover {
  color: var(--cyan);
  border-color: var(--cyan);
  background: var(--cyan-glow);
  transform: translateY(-2px);
}


/* Footer brand typography matches navigation exactly */
.footer-brand .nav-logo-fallback {
  font-weight: 800;
}
.footer-brand .nav-logo-text {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  line-height: 1.2;
}
.footer-brand .nav-logo-text span {
  display: block;
  font-size: 0.65rem;
  font-weight: 400;
  color: var(--text-secondary);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* ======================================================
   RESPONSIVE
====================================================== */
@media (max-width: 900px) {
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .nav-actions .btn { display: none; }

  .about-strip-inner {
    flex-direction: column;
    align-items: stretch;
    gap: 1rem;
  }
  .strip-stat {
    width: 100%;
    justify-content: flex-start;
  }

  .footer-top { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 640px) {
  .timeline-item { grid-template-columns: 1fr; gap: 0.3rem; padding: 1.25rem 0; }
  .timeline-time { font-size: 0.72rem; }
  .showcase-card { padding: 1.75rem; }
  .showcase-prize { gap: 1rem; }
  .showcase-prize-icon { width: 52px; height: 52px; }
  .showcase-prize-icon svg { width: 26px; height: 26px; }
  .showcase-prize-title { font-size: 1.25rem; }
  .showcase-details-grid { grid-template-columns: 1fr; gap: 1.25rem; }
  .showcase-dates { flex-direction: column; align-items: flex-start; gap: 0.75rem; }
  .breakout-grid { grid-template-columns: 1fr; }
  .speakers-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-top { grid-template-columns: 1fr; }
  .countdown { gap: 0.5rem; }
  .countdown-unit { min-width: 50px; }
  .countdown-sep { font-size: 1.3rem; }
}

@media (max-width: 400px) {
  .speakers-grid { grid-template-columns: 1fr; }
}