/* ===========================================================
   TIML 2026 — 3rd Trends & Innovations in Medical Laboratories
   Premium futuristic medical-laboratory theme
   =========================================================== */

:root {
  --bg-0: #02060f;
  --bg-1: #040b1c;
  --bg-2: #061429;
  --navy: #0a1f3d;
  --cyan: #2ee6ff;
  --cyan-soft: #5fd6ff;
  --blue: #2a7bff;
  --blue-deep: #1452c9;
  --text: #eaf4ff;
  --text-dim: #9fb6d4;
  --text-mute: #6f86a6;
  --card-bg: rgba(12, 30, 56, 0.45);
  --card-bd: rgba(70, 170, 255, 0.18);
  --card-bd-hover: rgba(46, 230, 255, 0.55);
  --glass-blur: 16px;
  --glow-cyan: 0 0 24px rgba(46, 230, 255, 0.35);
  --radius: 18px;
  --maxw: 1240px;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

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

html { scroll-behavior: smooth; scroll-padding-top: 96px; }

body {
  font-family: 'Inter', system-ui, sans-serif;
  background: radial-gradient(1200px 700px at 75% -5%, #0a2a55 0%, transparent 55%),
              radial-gradient(900px 600px at 10% 20%, #06214a 0%, transparent 50%),
              linear-gradient(180deg, var(--bg-1) 0%, var(--bg-0) 100%);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
}

h1, h2, h3, h4 { font-family: 'Montserrat', sans-serif; font-weight: 700; line-height: 1.12; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

/* ---------- Background layers ---------- */
#bg-canvas {
  position: fixed; inset: 0; z-index: -2;
  width: 100%; height: 100%;
}
.bg-grid {
  position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background-image:
    linear-gradient(rgba(46,230,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(46,230,255,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, #000 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, #000 30%, transparent 80%);
}

/* ---------- Shared icons ---------- */
.ico { width: 26px; height: 26px; color: var(--cyan); flex: none; }
.ico-sm { width: 17px; height: 17px; color: var(--cyan); flex: none; vertical-align: -3px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 9px;
  padding: 12px 24px; border-radius: 40px; font-weight: 600;
  font-family: 'Montserrat', sans-serif; font-size: 15px;
  cursor: pointer; border: 1px solid transparent;
  transition: transform .35s var(--ease), box-shadow .35s var(--ease), background .35s var(--ease);
  white-space: nowrap;
}
.btn .arrow { transition: transform .35s var(--ease); }
.btn:hover .arrow { transform: translateX(4px); }
.btn-primary {
  background: linear-gradient(120deg, var(--cyan) 0%, var(--blue) 100%);
  color: #04121f; box-shadow: 0 8px 28px rgba(42,123,255,0.4), var(--glow-cyan);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 36px rgba(46,230,255,0.55); }
.btn-ghost {
  background: rgba(10,30,60,0.35); color: var(--text);
  border: 1px solid var(--card-bd); backdrop-filter: blur(8px);
}
.btn-ghost:hover { border-color: var(--card-bd-hover); box-shadow: var(--glow-cyan); transform: translateY(-2px); }
.btn-ghost .ico { width: 18px; height: 18px; }

/* ---------- Glass card base ---------- */
.glass-card {
  background: var(--card-bg);
  border: 1px solid var(--card-bd);
  border-radius: var(--radius);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  position: relative;
  transition: transform .4s var(--ease), border-color .4s var(--ease), box-shadow .4s var(--ease);
  overflow: hidden;
}
.glass-card::before {
  content: ""; position: absolute; inset: 0; border-radius: inherit;
  background: linear-gradient(135deg, rgba(46,230,255,0.06), transparent 40%);
  pointer-events: none;
}

/* =========================================================
   HEADER
   ========================================================= */
.site-header {
  position: fixed; top: 14px; left: 50%; transform: translateX(-50%);
  width: calc(100% - 36px); max-width: var(--maxw); z-index: 100;
  border-radius: 50px;
  background: rgba(6, 18, 38, 0.55);
  border: 1px solid rgba(70,170,255,0.16);
  backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px);
  transition: top .4s var(--ease), background .4s var(--ease), box-shadow .4s var(--ease);
}
.site-header.scrolled {
  top: 0; width: 100%; max-width: 100%; border-radius: 0;
  background: rgba(4, 12, 26, 0.85);
  box-shadow: 0 8px 30px rgba(0,0,0,0.45);
  border-color: rgba(70,170,255,0.1);
}
.header-inner {
  display: flex; align-items: center; gap: 18px;
  padding: 10px 18px; max-width: var(--maxw); margin: 0 auto;
}
.brand-logo {
  display: flex; align-items: center; flex: none;
  margin-right: 10px; padding-right: 12px;
  border-right: 1px solid rgba(120,170,220,0.25);
}
.brand-logo img {
  height: 62px; width: auto; object-fit: contain;
  /* colored cyan artwork — keep its real colors, just lift it off the dark bar */
  filter: drop-shadow(0 0 12px rgba(46,190,255,0.55))
          drop-shadow(0 1px 2px rgba(0,0,0,0.4));
  transition: transform .35s var(--ease), filter .35s var(--ease);
}
.brand-logo:hover img {
  transform: scale(1.04);
  filter: drop-shadow(0 0 20px rgba(70,210,255,0.85))
          drop-shadow(0 1px 2px rgba(0,0,0,0.4));
}
.header-logos { display: flex; align-items: center; gap: 14px; }
.partner-logo {
  height: 50px; width: auto; max-width: 150px; object-fit: contain;
  /* logos are black artwork — render white for the dark header */
  filter: brightness(0) invert(1);
  opacity: 0.95;
}
.logo-item { display: flex; align-items: center; gap: 8px; }
.logo-mark { width: 30px; height: 30px; color: var(--cyan-soft); }
.logo-badge {
  font-family: 'Montserrat', sans-serif; font-weight: 800; font-size: 15px;
  letter-spacing: 1px; color: var(--text);
  border: 1.5px solid var(--cyan); border-radius: 6px; padding: 3px 7px;
}
.logo-text { display: flex; flex-direction: column; line-height: 1.1; }
.logo-text strong { font-size: 10.5px; font-weight: 600; color: var(--text); }
.logo-text span { font-size: 9px; color: var(--text-mute); }
.logo-divider { width: 1px; height: 26px; background: rgba(120,170,220,0.25); }

.main-nav { display: flex; gap: 4px; margin-left: auto; }
.main-nav a {
  font-size: 14px; font-weight: 500; color: var(--text-dim);
  padding: 8px 13px; border-radius: 20px; position: relative;
  transition: color .3s, background .3s;
}
.main-nav a:hover { color: var(--cyan); background: rgba(46,230,255,0.08); }
.main-nav a.active { color: var(--cyan); }
.main-nav a.active::after {
  content: ""; position: absolute; left: 13px; right: 13px; bottom: 2px;
  height: 2px; background: var(--cyan); border-radius: 2px; box-shadow: var(--glow-cyan);
}
.btn-register { padding: 10px 20px; font-size: 14px; }

.nav-toggle {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer; padding: 6px;
}
.nav-toggle span { width: 24px; height: 2px; background: var(--cyan); border-radius: 2px; transition: .3s; }
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* =========================================================
   SECTION SCAFFOLD
   ========================================================= */
.section { max-width: var(--maxw); margin: 0 auto; padding: 90px 28px; }
.section-head { text-align: center; max-width: 760px; margin: 0 auto 54px; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 7px;
  font-family: 'Montserrat', sans-serif; font-size: 12.5px; font-weight: 600;
  letter-spacing: 3px; color: var(--cyan); text-transform: uppercase;
}
.section-title { font-size: clamp(30px, 5vw, 52px); margin: 14px 0 0; letter-spacing: -0.5px; }
.section-sub { color: var(--text-dim); font-size: 17px; margin-top: 16px; }
.accent-line { width: 64px; height: 3px; border-radius: 3px; margin: 16px 0; background: linear-gradient(90deg, var(--cyan), var(--blue)); box-shadow: var(--glow-cyan); }
.accent-line.center { margin: 16px auto; }
.grad-text { background: linear-gradient(120deg, var(--cyan), var(--blue)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.center-cta { text-align: center; margin-top: 44px; }

/* =========================================================
   HERO
   ========================================================= */
.hero { max-width: var(--maxw); margin: 0 auto; padding: 150px 28px 70px; }
.hero-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 40px; align-items: center; }
.hero-copy .eyebrow { margin-bottom: 18px; }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}
.title-num {
  height: clamp(120px, 17vw, 200px); width: auto; display: block;
  margin-top: -8px; margin-left: -10px;
  filter: drop-shadow(0 0 24px rgba(46,230,255,0.35));
}
.hero-title { display: flex; gap: 10px; align-items: center; }
.edition { display: flex; align-items: flex-start; }
.big-num {
  font-size: clamp(80px, 13vw, 150px); font-weight: 800; line-height: .82;
  background: linear-gradient(160deg, #aef0ff, var(--cyan) 40%, var(--blue) 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  filter: drop-shadow(0 0 22px rgba(46,230,255,0.45));
}
.edition sup { font-family: 'Montserrat'; font-size: 22px; color: var(--cyan); margin-top: 12px; }
.title-lines { display: flex; flex-direction: column; }
.line-strong { font-size: clamp(30px, 5vw, 50px); font-weight: 800; letter-spacing: -0.5px; }
.line-accent { font-size: clamp(20px, 3.2vw, 30px); font-weight: 600; color: var(--cyan); margin-top: 4px; }
.line-spaced { font-size: clamp(12px, 1.6vw, 15px); letter-spacing: 8px; color: var(--text-dim); margin-top: 8px; }
.hero-tagline { font-size: 18px; color: var(--text-dim); margin: 24px 0 0; max-width: 520px; }

.hero-meta { display: flex; flex-wrap: wrap; gap: 14px; margin: 30px 0; }
.meta-item {
  display: flex; align-items: center; gap: 11px;
  background: rgba(10,28,55,0.5); border: 1px solid var(--card-bd);
  border-radius: 14px; padding: 12px 16px; backdrop-filter: blur(8px);
}
.meta-item strong { display: block; font-size: 14.5px; font-family: 'Montserrat'; }
.meta-item span { font-size: 12px; color: var(--text-mute); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 8px; }

/* Hero approved image visual */
.hero-visual { display: flex; justify-content: center; align-items: center; }
.hero-img-wrap {
  position: relative; width: min(520px, 94%); aspect-ratio: 1;
  display: grid; place-items: center;
  animation: float 7s ease-in-out infinite;
}
.hero-img-wrap img {
  width: 100%; height: 100%; object-fit: contain;
  filter: drop-shadow(0 0 40px rgba(46,230,255,0.35));
  position: relative; z-index: 1;
}
.hero-img-glow {
  position: absolute; inset: 10%; border-radius: 50%;
  background: radial-gradient(circle, rgba(33,120,220,0.4), rgba(46,230,255,0.1) 55%, transparent 72%);
  filter: blur(20px); z-index: 0;
  animation: glowPulse 6s ease-in-out infinite;
}
@keyframes float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-12px); } }
@keyframes glowPulse { 0%,100% { opacity: .75; transform: scale(1); } 50% { opacity: 1; transform: scale(1.05); } }


/* Feature row */
.feature-row {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px;
  margin-top: 60px; padding: 22px; border-radius: var(--radius);
  background: rgba(7,20,42,0.45); border: 1px solid var(--card-bd);
  backdrop-filter: blur(12px);
}
.feature { display: flex; align-items: center; gap: 13px; }
.feature strong { display: block; font-family: 'Montserrat'; color: var(--cyan); font-size: 16px; }
.feature span { font-size: 12.5px; color: var(--text-mute); }

/* Countdown timer */
.countdown { margin-top: 56px; text-align: center; }
.countdown .eyebrow { justify-content: center; }
.countdown-title { font-size: clamp(19px, 2.8vw, 28px); font-weight: 700; margin-top: 10px; color: var(--text); }
.countdown-grid {
  display: flex; justify-content: center; align-items: flex-start;
  gap: 14px; margin-top: 30px; flex-wrap: wrap;
}
.cd-unit {
  padding: 20px 12px; min-width: 118px; display: flex; flex-direction: column;
  align-items: center; gap: 6px;
  background: rgba(8,22,44,0.5);
}
.cd-unit::after {
  content: ""; position: absolute; left: 50%; bottom: 0; transform: translateX(-50%);
  width: 46px; height: 3px; border-radius: 3px;
  background: linear-gradient(90deg, var(--cyan), var(--blue)); box-shadow: var(--glow-cyan);
}
.cd-num {
  font-family: 'Montserrat', sans-serif; font-weight: 800; line-height: 1;
  font-size: clamp(38px, 6vw, 60px); font-variant-numeric: tabular-nums;
  background: linear-gradient(160deg, #aef0ff, var(--cyan) 45%, var(--blue) 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  filter: drop-shadow(0 0 18px rgba(46,230,255,0.4));
}
.cd-label {
  font-family: 'Montserrat', sans-serif; font-size: 11.5px; font-weight: 600;
  letter-spacing: 2px; text-transform: uppercase; color: var(--text-dim);
}
.cd-sep {
  font-family: 'Montserrat', sans-serif; font-weight: 700; color: var(--cyan);
  font-size: clamp(30px, 5vw, 48px); line-height: 1; margin-top: 16px; opacity: .55;
  animation: cdBlink 1s steps(2, jump-none) infinite;
}
.countdown-foot {
  margin-top: 24px; color: var(--text-mute); font-size: 14px;
  display: inline-flex; align-items: center; gap: 8px;
}
@keyframes cdBlink { 50% { opacity: .12; } }

/* =========================================================
   WELCOME + SNAPSHOT
   ========================================================= */
.welcome-grid { display: grid; grid-template-columns: 0.92fr 1.08fr; gap: 26px; align-items: stretch; }
.welcome-card { padding: 38px; }
.welcome-card .eyebrow { margin-bottom: 8px; }
.welcome-card h2 { font-size: clamp(28px, 4vw, 42px); }
.welcome-card p { color: var(--text-dim); margin-top: 16px; font-size: 15.5px; }
.welcome-card { display: flex; flex-direction: column; }
.welcome-visual {
  margin: 28px -38px -38px; margin-top: auto; padding-top: 28px;
  -webkit-mask-image: linear-gradient(to bottom, transparent 0%, #000 26%);
  mask-image: linear-gradient(to bottom, transparent 0%, #000 26%);
}
.welcome-visual img { width: 100%; display: block; }

.snapshot-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.snap { padding: 22px; display: flex; flex-direction: column; gap: 3px; }
.snap .ico { margin-bottom: 8px; }
.snap-big { font-family: 'Montserrat'; font-size: 26px; color: var(--cyan); line-height: 1.1; }
.snap-big small { font-size: 14px; color: var(--text); font-weight: 500; }
.snap-label { font-family: 'Montserrat'; font-size: 14px; font-weight: 600; margin-bottom: 4px; }
.snap p { font-size: 12.5px; color: var(--text-mute); }
.snap:hover { transform: translateY(-5px); border-color: var(--card-bd-hover); box-shadow: var(--glow-cyan); }

/* =========================================================
   FOCUS AREAS
   ========================================================= */
.focus-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.focus-card { padding: 28px; }
.focus-icon {
  width: 64px; height: 64px; border-radius: 16px; display: grid; place-items: center;
  background: radial-gradient(circle, rgba(46,230,255,0.14), transparent 70%);
  border: 1px solid var(--card-bd); margin-bottom: 18px;
  position: relative;
}
.focus-icon::after {
  content: ""; position: absolute; inset: -6px; border-radius: 20px;
  border: 1px dashed rgba(46,230,255,0.25); animation: spin 30s linear infinite;
}
.focus-icon svg { width: 32px; height: 32px; color: var(--cyan); }
.focus-card h3 { font-size: 19px; }
.focus-card p { color: var(--text-dim); font-size: 14px; margin-top: 10px; }
.focus-card:hover { transform: translateY(-6px); border-color: var(--card-bd-hover); box-shadow: 0 14px 40px rgba(20,80,170,0.35), var(--glow-cyan); }

/* =========================================================
   PROGRAM
   ========================================================= */
.prog-tabs { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-bottom: 28px; }
.prog-tab {
  display: flex; align-items: center; gap: 12px; cursor: pointer;
  background: rgba(8,22,44,0.5); border: 1px solid var(--card-bd);
  border-radius: 14px; padding: 16px 18px; color: var(--text);
  font-family: 'Inter', sans-serif; text-align: left;
  transition: background .35s var(--ease), border-color .35s var(--ease), box-shadow .35s var(--ease), transform .35s var(--ease); backdrop-filter: blur(8px);
}
.prog-tab span { display: flex; flex-direction: column; line-height: 1.3; }
.prog-tab strong { font-family: 'Montserrat'; font-size: 14px; color: var(--cyan); }
.prog-tab:hover { border-color: var(--card-bd-hover); }
.prog-tab.active {
  background: linear-gradient(120deg, rgba(46,230,255,0.18), rgba(42,123,255,0.12));
  border-color: var(--cyan); box-shadow: var(--glow-cyan);
}
.prog-tab.active strong { color: var(--cyan-soft); }

.prog-body { display: grid; grid-template-columns: 1fr 1.25fr 0.85fr; gap: 20px; align-items: stretch; }
.prog-intro { padding: 30px; }
.prog-intro h3 { color: var(--cyan); font-size: 16px; margin-top: 12px; }
.prog-intro h4 { font-size: 24px; margin-top: 4px; }
.prog-intro p { color: var(--text-dim); font-size: 14px; margin-top: 12px; }
.prog-orb { margin-top: 22px; display: flex; justify-content: center; color: var(--cyan); opacity: .7; filter: drop-shadow(0 0 12px rgba(46,230,255,0.5)); }
.prog-orb svg { width: 110px; height: 110px; }

.prog-agenda { padding: 26px 30px; }
.agenda-list { list-style: none; display: flex; flex-direction: column; }
.agenda-list li { display: flex; gap: 16px; padding: 14px 0; border-bottom: 1px solid rgba(120,170,220,0.1); }
.agenda-list li:last-child { border-bottom: none; }
.agenda-time { font-family: 'Montserrat'; font-weight: 600; font-size: 13.5px; color: var(--cyan); min-width: 96px; }
.agenda-info strong { display: block; font-family: 'Montserrat'; font-size: 15px; }
.agenda-info span { font-size: 13px; color: var(--text-mute); }
.prog-soon {
  margin-top: 18px; padding: 12px 16px; border-radius: 12px;
  background: rgba(46,230,255,0.07); border: 1px solid rgba(46,230,255,0.22);
  font-size: 13px; color: var(--cyan-soft); display: flex; align-items: center; gap: 9px;
}
.prog-expect { padding: 30px; }
.prog-expect h4 { font-size: 20px; margin-top: 12px; }
.check-list { list-style: none; margin-top: 18px; display: flex; flex-direction: column; gap: 13px; }
.check-list li { display: flex; align-items: center; gap: 11px; font-size: 14px; color: var(--text-dim); }
.prog-note {
  margin-top: 24px; text-align: center; max-width: 620px; margin-inline: auto;
  padding: 13px 20px; border-radius: 40px;
  background: rgba(8,22,44,0.5); border: 1px solid var(--card-bd);
  color: var(--text-dim); font-size: 13.5px; display: flex; align-items: center; justify-content: center; gap: 9px;
}

/* =========================================================
   WORKSHOPS
   ========================================================= */
.workshop-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.workshop-card { padding: 30px; }
.workshop-card .ico { width: 38px; height: 38px; margin-bottom: 16px; }
.workshop-card h3 { font-size: 19px; }
.workshop-card p { color: var(--text-dim); font-size: 14px; margin: 10px 0 16px; }
.workshop-card:hover { transform: translateY(-5px); border-color: var(--card-bd-hover); box-shadow: var(--glow-cyan); }
.pill {
  display: inline-block; font-size: 12px; font-weight: 600; font-family: 'Montserrat';
  color: var(--cyan); padding: 5px 14px; border-radius: 30px;
  background: rgba(46,230,255,0.08); border: 1px solid rgba(46,230,255,0.3);
}

/* =========================================================
   SPEAKERS
   ========================================================= */
.group-title {
  display: flex; align-items: center; gap: 10px; font-size: 22px;
  margin: 26px 0 22px; color: var(--text);
}
.group-title .ico-sm { width: 22px; height: 22px; }
.speaker-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-bottom: 30px; }
.speaker-card { padding: 24px; text-align: center; }
.speaker-card:hover { transform: translateY(-5px); border-color: var(--card-bd-hover); box-shadow: var(--glow-cyan); }
.speaker-avatar {
  width: 90px; height: 90px; border-radius: 50%; margin: 0 auto 16px;
  background: radial-gradient(circle at 50% 35%, rgba(46,230,255,0.25), rgba(8,24,48,0.9));
  border: 1px solid var(--card-bd); display: grid; place-items: center;
}
.speaker-avatar svg { width: 44px; height: 44px; color: var(--cyan-soft); opacity: .8; }
.speaker-avatar.has-photo { overflow: hidden; padding: 0; }
.speaker-avatar.has-photo img,
.speaker-avatar .speaker-photo {
  width: 100%; height: 100%; object-fit: cover; border-radius: 50%; display: block;
}
.speaker-card h4 { font-size: 16px; }
.speaker-role { font-size: 13px; color: var(--cyan); margin-top: 4px; }
.speaker-inst { font-size: 12.5px; color: var(--text-mute); }
.speaker-country { font-size: 12px; color: var(--text-dim); margin-top: 6px; }
.speaker-soon { display: inline-block; margin-top: 12px; font-size: 11px; font-family: 'Montserrat'; font-weight: 600; color: var(--cyan); letter-spacing: 1px; }

/* =========================================================
   COMMITTEES
   ========================================================= */
.committee-block { margin-bottom: 44px; }
.committee-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.committee-card { padding: 22px 24px; }
.committee-card:hover { transform: translateY(-4px); border-color: var(--card-bd-hover); box-shadow: var(--glow-cyan); }
.committee-card h4 { font-size: 16px; }
.committee-card .c-role { font-size: 13px; color: var(--cyan); margin-top: 4px; }
.committee-card .c-inst { font-size: 12.5px; color: var(--text-mute); margin-top: 2px; }
.committee-bar { width: 34px; height: 3px; border-radius: 3px; background: linear-gradient(90deg, var(--cyan), var(--blue)); margin-bottom: 14px; }

/* =========================================================
   SPONSORS
   ========================================================= */
.sponsor-cta { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; margin-bottom: 44px; }
.sponsor-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.sponsor-card { padding: 28px; }
.sponsor-card .ico { width: 40px; height: 40px; margin-bottom: 14px; }
.sponsor-card h3 { font-size: 18px; }
.sponsor-card p { color: var(--text-dim); font-size: 13.5px; margin-top: 9px; }
.sponsor-card:hover { transform: translateY(-6px); border-color: var(--card-bd-hover); box-shadow: 0 14px 40px rgba(20,80,170,0.35), var(--glow-cyan); }
.booth-visual { margin-top: 44px; display: flex; justify-content: center; color: var(--cyan); filter: drop-shadow(0 0 18px rgba(46,230,255,0.4)); }
.booth-visual svg { width: min(600px, 100%); }

/* =========================================================
   REGISTER BAND
   ========================================================= */
.register-band { padding-top: 20px; }
.register-card {
  padding: 56px; text-align: center;
  background:
    radial-gradient(600px 200px at 50% 0%, rgba(46,230,255,0.12), transparent 70%),
    var(--card-bg);
}
.register-card h2 { font-size: clamp(28px, 4.5vw, 46px); }
.register-card p { color: var(--text-dim); max-width: 560px; margin: 16px auto 28px; }
.register-card .hero-actions { justify-content: center; }

/* =========================================================
   FOOTER
   ========================================================= */
.site-footer {
  background: linear-gradient(180deg, transparent, rgba(3,9,20,0.9));
  border-top: 1px solid var(--card-bd); margin-top: 40px;
  padding: 60px 28px 30px;
}
.footer-grid { max-width: var(--maxw); margin: 0 auto; display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 36px; }
.footer-brand h3 { font-size: 22px; }
.footer-brand p { color: var(--text-dim); font-size: 14px; margin: 14px 0; max-width: 360px; }
.footer-web { color: var(--cyan); font-weight: 600; font-family: 'Montserrat'; }
.footer-col h4 { font-size: 15px; margin-bottom: 16px; color: var(--text); }
.footer-col a { display: block; color: var(--text-dim); font-size: 14px; padding: 5px 0; transition: color .3s; }
.footer-col a:hover { color: var(--cyan); }
.footer-col p { color: var(--text-dim); font-size: 14px; padding: 4px 0; }
.footer-col .muted { color: var(--text-mute); font-size: 12.5px; }
.footer-bottom {
  max-width: var(--maxw); margin: 40px auto 0; padding-top: 22px;
  border-top: 1px solid rgba(120,170,220,0.12);
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px;
  font-size: 13px; color: var(--text-mute);
}
.powered strong { color: var(--cyan); }

/* =========================================================
   MOBILE BOTTOM NAV
   ========================================================= */
.mobile-nav {
  display: none; position: fixed; bottom: 0; left: 0; right: 0; z-index: 100;
  background: rgba(4,12,26,0.92); backdrop-filter: blur(18px);
  border-top: 1px solid var(--card-bd);
  padding: 8px 6px calc(8px + env(safe-area-inset-bottom));
  justify-content: space-around;
}
.mobile-nav a { display: flex; flex-direction: column; align-items: center; gap: 3px; color: var(--text-mute); font-size: 10px; }
.mobile-nav a svg { width: 22px; height: 22px; }
.mobile-nav a.active { color: var(--cyan); }

/* =========================================================
   REVEAL ANIMATIONS
   ========================================================= */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.reveal.in { opacity: 1; transform: none; }

@keyframes spin { to { transform: rotate(360deg); } }
@keyframes dnaPulse { 0%,100% { opacity: .75; } 50% { opacity: 1; filter: drop-shadow(0 0 8px rgba(46,230,255,.6)); } }
@keyframes nodeBlink { 0%,100% { opacity: .4; } 50% { opacity: 1; } }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}

/* Mobile performance — reduce expensive GPU layers on small screens */
@media (max-width: 860px) {
  .glass-card { backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); }
  .site-header { backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); }
  .mobile-nav { backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); }
  .hero-img-glow { filter: blur(12px); }
  .focus-icon::after { animation: none; }
  .hero-img-wrap { animation-duration: 10s; }
}

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { order: -1; }
  .orb { width: min(360px, 80%); }
  .welcome-grid { grid-template-columns: 1fr; }
  .snapshot-grid { grid-template-columns: repeat(3, 1fr); }
  .prog-body { grid-template-columns: 1fr; }
  .focus-grid, .workshop-grid, .sponsor-grid { grid-template-columns: repeat(2, 1fr); }
  .speaker-grid, .committee-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 860px) {
  .main-nav, .btn-register { display: none; }
  .nav-toggle { display: flex; flex: none; margin-left: auto; }
  .site-header { top: 0; width: 100%; border-radius: 0; }
  .header-inner { padding: 10px 14px; gap: 10px; }
  .header-logos { gap: 8px; min-width: 0; flex: 1; }
  .partner-logo { height: 34px; max-width: 96px; }
  .brand-logo { margin-right: 8px; padding-right: 8px; }
  .brand-logo img { height: 46px; }
  .logo-text { display: none; }
  .mobile-nav { display: flex; }
  body { padding-bottom: 64px; }

  /* mobile dropdown nav */
  .main-nav.open {
    display: flex; flex-direction: column; position: absolute;
    top: 64px; left: 12px; right: 12px; padding: 12px;
    background: rgba(6,16,34,0.97); border: 1px solid var(--card-bd);
    border-radius: 16px; backdrop-filter: blur(18px); gap: 2px;
    box-shadow: 0 20px 50px rgba(0,0,0,.5);
  }
  .main-nav.open a { padding: 12px 14px; border-radius: 10px; }
}

@media (max-width: 620px) {
  .section { padding: 64px 18px; }
  .hero { padding: 120px 18px 50px; }
  .hero-title { gap: 8px; }
  .title-num { height: clamp(96px, 24vw, 140px); }
  .line-spaced { letter-spacing: 4px; white-space: nowrap; }
  .feature-row { grid-template-columns: repeat(2, 1fr); gap: 18px; }
  .countdown-grid { gap: 9px; }
  .cd-unit { min-width: 68px; padding: 14px 6px; }
  .cd-sep { display: none; }
  .snapshot-grid { grid-template-columns: repeat(2, 1fr); }
  .focus-grid, .workshop-grid, .sponsor-grid, .speaker-grid, .committee-grid { grid-template-columns: 1fr 1fr; }
  .prog-tabs { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 26px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .welcome-card, .register-card { padding: 30px 22px; }
  .welcome-visual { margin: 24px -22px -30px; }
  .header-logos .logo-item:not(:first-child) .logo-text { display: none; }
}

@media (max-width: 420px) {
  .speaker-grid, .committee-grid, .focus-grid, .workshop-grid, .sponsor-grid { grid-template-columns: 1fr; }
  .feature-row { grid-template-columns: 1fr; }
  .snapshot-grid { grid-template-columns: 1fr; }
  .partner-logo { height: 29px; max-width: 78px; }
  .brand-logo { margin-right: 6px; padding-right: 6px; }
  .brand-logo img { height: 38px; }
  .header-logos { gap: 6px; }
}