/* ============================================================
   ICMDFI 2026 — Conference Website Styles (v2)
   Navy theme only, COLLNET-inspired elegant design
   ============================================================ */

:root {
  --font-head: "Playfair Display", Georgia, "Times New Roman", serif;
  --font-body: "Inter", "Segoe UI", system-ui, -apple-system, Arial, sans-serif;
  --font-mono: "JetBrains Mono", Consolas, monospace;

  --radius: 14px;
  --radius-sm: 9px;
  --shadow-sm: 0 2px 10px rgba(36, 72, 2, 0.08);
  --shadow-md: 0 12px 32px rgba(36, 72, 2, 0.14);
  --shadow-lg: 0 24px 60px rgba(36, 72, 2, 0.22);
  --transition: 0.35s cubic-bezier(0.25, 0.6, 0.3, 1);
  --maxw: 1180px;
}

/* ---------- NAVY THEME (default, from flyer) ---------- */
body[data-theme="theme-navy"] {
  --c-bg: #ffffff;
  --c-bg-soft: #f5f8fc;
  --c-bg-deep: #022448;
  --c-primary: #022448;
  --c-primary-soft: #0a3a6b;
  --c-accent: #e28408;
  --c-accent-soft: #f6a83b;
  --c-accent-deep: #c96e05;
  --c-text: #1c2b3a;
  --c-text-soft: #5c6b7c;
  --c-border: #e3eaf2;
  --c-card: #ffffff;
  --c-nav: rgba(255, 255, 255, 0.92);
  --c-hero-text: #ffffff;
  --c-focus: rgba(226, 132, 8, 0.55);
}

/* ---------- BURGUNDY & GOLD ---------- */
body[data-theme="theme-burgundy"] {
  --c-bg: #fdf8f3;
  --c-bg-soft: #f6ece2;
  --c-bg-deep: #4a1020;
  --c-primary: #5a1424;
  --c-primary-soft: #7a1f34;
  --c-accent: #c9993a;
  --c-accent-soft: #d9b25f;
  --c-accent-deep: #a97e28;
  --c-text: #33282a;
  --c-text-soft: #7a6a6d;
  --c-border: #ecdccb;
  --c-card: #ffffff;
  --c-nav: rgba(255, 255, 255, 0.92);
  --c-hero-text: #ffffff;
  --c-focus: rgba(201, 153, 58, 0.5);
}

/* ---------- ROYAL PURPLE ---------- */
body[data-theme="theme-purple"] {
  --c-bg: #faf7ff;
  --c-bg-soft: #f0eafb;
  --c-bg-deep: #2a1466;
  --c-primary: #431f8f;
  --c-primary-soft: #5a2fb0;
  --c-accent: #a855f7;
  --c-accent-soft: #c186fb;
  --c-accent-deep: #8f3fe0;
  --c-text: #2b2440;
  --c-text-soft: #716a94;
  --c-border: #e3d9f1;
  --c-card: #ffffff;
  --c-nav: rgba(255, 255, 255, 0.92);
  --c-hero-text: #ffffff;
  --c-focus: rgba(168, 85, 247, 0.5);
}

/* ============================================================
   BASE
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--c-bg);
  color: var(--c-text);
  line-height: 1.65;
  font-size: 16.5px;
  -webkit-font-smoothing: antialiased;
  transition: background var(--transition), color var(--transition);
}

img { max-width: 100%; display: block; }
a { color: var(--c-primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--c-accent-deep); }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; }
::selection { background: var(--c-accent); color: #fff; }
:focus-visible { outline: 3px solid var(--c-focus); outline-offset: 2px; border-radius: 4px; }

.container { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.section { padding: 92px 0; }

/* Anchor targets clear the fixed header */
#home, #about, #theme, #dates, #tracks, #submission, #documents, #contact, #registration {
  scroll-margin-top: 212px;
}

/* ---------- COLLNET-style section titles ---------- */
.section-head { max-width: 760px; margin: 0 auto 54px; text-align: center; }
.section-eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 0.78rem; font-weight: 700; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--c-accent-deep); margin-bottom: 14px;
}
.section-eyebrow::before, .section-eyebrow::after {
  content: ""; height: 2px; width: 28px; background: var(--c-accent);
}

/* COLLNET gradient title style */
.section-title {
  font-family: var(--font-head); font-size: clamp(1.9rem, 3.4vw, 2.7rem);
  line-height: 1.15; margin-bottom: 14px;
  background: linear-gradient(135deg, #022448 0%, #0a5a9e 50%, #0284c7 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  position: relative; padding-bottom: 16px;
}
.section-title::after {
  content: ""; position: absolute; bottom: 0; left: 50%; transform: translateX(-50%);
  width: 80px; height: 4px; background: linear-gradient(135deg, #e28408 0%, #f6a83b 100%);
  border-radius: 3px; box-shadow: 0 0 20px rgba(226, 132, 8, 0.4);
}
.section-sub { color: var(--c-text-soft); font-size: 1.04rem; }

/* ============================================================
   BUTTONS — COLLNET ripple style
   ============================================================ */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  padding: 16px 36px; border-radius: 12px; border: 2px solid transparent;
  font-weight: 600; font-size: 0.95rem; letter-spacing: 0.01em;
  position: relative; overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition), color var(--transition), border-color var(--transition);
}
.btn::before {
  content: ""; position: absolute; top: 50%; left: 50%; width: 0; height: 0;
  border-radius: 50%; background: rgba(255, 255, 255, 0.2);
  transform: translate(-50%, -50%); transition: width 0.6s, height 0.6s;
}
.btn:hover::before { width: 300px; height: 300px; }
.btn svg { width: 18px; height: 18px; }
.btn:hover { transform: translateY(-3px); }
.btn-primary {
  background: linear-gradient(135deg, #e28408 0%, #c96e05 100%);
  color: #fff; box-shadow: 0 4px 20px rgba(226, 132, 8, 0.4);
}
.btn-primary:hover { color: #fff; box-shadow: 0 8px 30px rgba(226, 132, 8, 0.5); }
.btn-ghost {
  border-color: rgba(255, 255, 255, 0.55); color: #fff;
  background: rgba(255, 255, 255, 0.08); backdrop-filter: blur(6px);
}
.btn-ghost:hover { border-color: #fff; background: rgba(255, 255, 255, 0.18); color: #fff; }
.btn-outline { border-color: var(--c-primary); color: var(--c-primary); background: transparent; }
.btn-outline:hover { background: var(--c-primary); color: #fff; }

/* ============================================================
   SITE HEADER
   ============================================================ */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; height: 200px; z-index: 1200;
  background: var(--c-nav); backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--c-border);
  box-shadow: 0 12px 40px rgba(2, 36, 72, 0.07);
  transition: height 0.4s cubic-bezier(0.25, 0.6, 0.3, 1), box-shadow 0.4s ease;
}
.site-header::after {
  content: ""; position: absolute; bottom: -1px; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, transparent 0%, #e28408 50%, transparent 100%);
  opacity: 0.55; transition: opacity 0.4s ease;
}
.site-header.scrolled { height: 64px; box-shadow: 0 10px 30px rgba(2, 36, 72, 0.1); }
.site-header.scrolled::after { opacity: 0.35; }
.site-header.scrolled .nav-brand img {
  height: 0; padding: 0; max-width: 0; opacity: 0;
  transform: translateY(-4px) scale(0.7);
}
.site-header.scrolled .topbar {
  height: 0; padding: 0; border-bottom: none; opacity: 0; pointer-events: none;
}
.site-header.scrolled .navbar { min-height: 0; }
.site-inner { display: flex; align-items: center; gap: 30px; height: 100%; }

.nav-brand { display: flex; align-items: center; height: 100%; flex-shrink: 0; }
.nav-brand img {
  height: 190px; width: auto; max-width: 44vw; object-fit: contain;
  padding: 4px 0;
  filter: drop-shadow(0 6px 16px rgba(2, 36, 72, 0.12));
  transition: transform var(--transition);
}
.nav-brand:hover img { transform: translateY(-2px); }

.header-side { flex: 1; display: flex; flex-direction: column; height: 100%; min-width: 0; }
.topbar {
  height: 44px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: flex-end;
  padding: 0 24px;
  border-bottom: 1px solid var(--c-border);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.6), rgba(255, 255, 255, 0));
}
.topbar-links { display: flex; align-items: center; gap: 18px; }
.topbar-links a {
  font-size: 0.78rem; font-weight: 600; letter-spacing: 0.01em;
  color: var(--c-primary); transition: color var(--transition);
}
.topbar-links a:hover { color: var(--c-accent-deep); }
.topbar-links .dot-sep { width: 3px; height: 3px; border-radius: 50%; background: var(--c-text-soft); opacity: 0.5; }
.topbar-divider { width: 1px; height: 14px; background: var(--c-border); opacity: 0.7; }
.theme-dot-btn {
  display: inline-flex; align-items: center; justify-content: center;
  width: 20px; height: 20px; padding: 0;
  background: none; border: 2px solid var(--c-text-soft); border-radius: 50%;
  cursor: pointer; transition: transform var(--transition), border-color var(--transition);
}
.topbar-links a:hover + .dot-sep { opacity: 1; }
.theme-dot-btn:hover { transform: scale(1.18); border-color: var(--c-accent); }
.theme-dot {
  display: block; width: 12px; height: 12px; border-radius: 50%;
  background: var(--c-accent); box-shadow: 0 0 0 3px var(--c-focus);
  transition: background var(--transition);
}

.navbar { position: relative; flex: 1; display: flex; align-items: center; min-height: 0; }
.nav-inner { display: flex; align-items: center; justify-content: space-between; gap: 18px; width: 100%; }
.nav-links { display: flex; align-items: center; gap: 20px; }
.nav-links a {
  font-size: 1.05rem; font-weight: 700; color: var(--c-primary);
  position: relative; padding: 6px 0; letter-spacing: 0.01em;
  transition: color var(--transition);
}
.nav-links a::after {
  content: ""; position: absolute; left: 0; bottom: 0; height: 2px; width: 0;
  background: linear-gradient(90deg, #e28408, #f6a83b);
  transition: width var(--transition); border-radius: 2px;
}
.nav-links a:hover { color: var(--c-primary); opacity: 0.85; }
.nav-links a:hover::after { width: 100%; }

.nav-side { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.nav-toggle { display: none; background: none; border: 1px solid var(--c-border); width: 44px; height: 44px; border-radius: 12px; color: var(--c-primary); transition: var(--transition); }
.nav-toggle:hover { border-color: var(--c-accent); }
.nav-toggle span { display: block; width: 20px; height: 2px; background: currentColor; margin: 5px auto; transition: var(--transition); border-radius: 2px; }
.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); }

/* Theme dot removed — navy only */

/* ============================================================
   HERO — COLLNET banner style
   ============================================================ */
.hero {
  position: relative; min-height: 100vh; display: flex; align-items: center;
  padding: 230px 0 70px; overflow: hidden;
  background: var(--c-bg-deep); color: var(--c-hero-text);
}
.hero::before {
  content: ""; position: absolute; inset: 0; z-index: 0;
  background:
    radial-gradient(1000px 520px at 85% 12%, rgba(226, 132, 8, 0.30), transparent 60%),
    radial-gradient(820px 620px at 8% 90%, rgba(10, 58, 107, 0.85), transparent 60%),
    linear-gradient(135deg, #022448 0%, #022448 100%);
}
.hero::after {
  content: ""; position: absolute; inset: 0; z-index: 0; opacity: 0.08; pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' stroke='%23ffffff' stroke-width='1'%3E%3Cpath d='M0 30h60M30 0v60'/%3E%3C/g%3E%3C/svg%3E");
}
.hero-grid {
  position: relative; z-index: 1; display: grid; grid-template-columns: 1.05fr 0.95fr;
  gap: 40px; align-items: center;
}
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 12px; padding: 9px 18px;
  border: 1px solid rgba(255, 255, 255, 0.28); border-radius: 999px;
  background: rgba(255, 255, 255, 0.1); backdrop-filter: blur(8px);
  font-size: 0.8rem; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase;
}
.hero-eyebrow .pulse { width: 9px; height: 9px; border-radius: 50%; background: #7ee787; box-shadow: 0 0 0 0 rgba(126, 231, 135, 0.6); animation: pulse 2s infinite; }
@keyframes pulse { 70% { box-shadow: 0 0 0 12px rgba(126, 231, 135, 0); } 100% { box-shadow: 0 0 0 0 rgba(126, 231, 135, 0); } }

.hero-title {
  font-family: var(--font-head);
  font-size: clamp(2.1rem, 4.6vw, 3.55rem);
  line-height: 1.14; margin: 24px 0 18px;
  font-weight: 750; letter-spacing: -0.012em;
  background: linear-gradient(180deg, #ffffff 0%, #ffffff 48%, rgba(255, 255, 255, 0.72) 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero-title .grad {
  background: linear-gradient(180deg, #ffffff 0%, rgba(255, 255, 255, 0.9) 55%, rgba(255, 255, 255, 0.62) 100%);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.hero-sub { font-size: 1.08rem; color: rgba(255, 255, 255, 0.82); max-width: 560px; margin-bottom: 32px; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 16px; margin-bottom: 42px; }
.hero-meta { display: flex; flex-wrap: wrap; gap: 12px 30px; align-items: center; color: rgba(255, 255, 255, 0.85); font-size: 0.93rem; }
.hero-meta .meta-item { display: flex; align-items: center; gap: 9px; }
.hero-meta svg { width: 18px; height: 18px; color: #e28408; flex-shrink: 0; }

/* Countdown */
.countdown { display: flex; gap: 14px; margin: 22px 0 4px; }
.countdown-box {
  flex: 1; max-width: 112px; text-align: center; padding: 16px 8px 13px;
  background: rgba(255, 255, 255, 0.08); border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius); backdrop-filter: blur(8px);
  transition: var(--transition);
}
.countdown-box:hover { background: rgba(255, 255, 255, 0.16); transform: translateY(-3px); }
.countdown-box b { display: block; font-family: var(--font-mono); font-size: 2.1rem; line-height: 1; color: #fff; }
.countdown-box span { font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.12em; color: rgba(255, 255, 255, 0.72); margin-top: 7px; display: block; }
.countdown-live { display: flex; align-items: center; gap: 8px; margin-top: 14px; margin-bottom: 10px; font-size: 0.9rem; color: rgba(255, 255, 255, 0.85); }
.countdown-live .pulse { width: 8px; height: 8px; border-radius: 50%; background: #e28408; box-shadow: 0 0 0 0 var(--c-focus); animation: pulse 2s infinite; }

/* Hero flyer card */
.hero-visual { position: relative; min-width: 0; }
.flyer-frame {
  position: relative; max-width: 100%; margin: 0 auto; border-radius: 24px; overflow: hidden;
  border: 8px solid rgba(255, 255, 255, 0.92);
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.35), 0 34px 70px -20px rgba(2, 36, 72, 0.6), 0 0 46px -6px var(--c-focus);
  transform: rotate(1.5deg); transition: var(--transition);
}
.flyer-frame:hover { transform: rotate(0deg) translateY(-6px) scale(1.02); }
.flyer-frame img { width: 100%; height: auto; display: block; }
.float-badge {
  position: absolute; display: flex; align-items: center; gap: 10px;
  background: var(--c-card); color: var(--c-primary); border-radius: 14px;
  padding: 12px 16px; box-shadow: var(--shadow-md); font-size: 0.85rem; font-weight: 700;
  animation: float 4.5s ease-in-out infinite;
}
.float-badge svg { width: 20px; height: 20px; color: #e28408; }
.float-badge.fb-1 { top: -18px; right: -26px; }
.float-badge.fb-2 { bottom: 34px; left: -40px; animation-delay: 1.4s; }
.float-badge.fb-3 { bottom: -18px; right: 6px; animation-delay: 2.6s; }
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-9px); } }

.hero-scroll {
  position: absolute; bottom: 26px; left: 50%; transform: translateX(-50%); z-index: 1;
  display: flex; flex-direction: column; align-items: center; gap: 6px;
  color: rgba(255, 255, 255, 0.7); font-size: 0.7rem; letter-spacing: 0.18em; text-transform: uppercase;
}
.hero-scroll .mouse { width: 22px; height: 34px; border: 2px solid rgba(255, 255, 255, 0.5); border-radius: 12px; position: relative; }
.hero-scroll .mouse::after { content: ""; position: absolute; top: 6px; left: 50%; transform: translateX(-50%); width: 3px; height: 7px; border-radius: 3px; background: #e28408; animation: scrollwheel 1.6s infinite; }
@keyframes scrollwheel { 0% { opacity: 1; top: 6px; } 100% { opacity: 0; top: 18px; } }

/* ============================================================
   ABOUT — COLLNET highlight cards
   ============================================================ */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.about-copy p { margin-bottom: 18px; color: var(--c-text-soft); font-size: 1.02rem; }
.about-copy p strong { color: var(--c-primary); }

.about-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.stat-card {
  background: var(--c-card); border: 1px solid var(--c-border); border-radius: 20px;
  padding: 32px 24px; text-align: center; position: relative; overflow: hidden;
  box-shadow: 0 1px 2px rgba(2, 36, 72, 0.05), 0 10px 24px -10px rgba(2, 36, 72, 0.14);
  transition: var(--transition);
}
.stat-card::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 4px;
  background: linear-gradient(90deg, #022448, #0284c7); transform: scaleX(0);
  transition: var(--transition);
}
.stat-card:hover { transform: translateY(-8px); box-shadow: 0 2px 4px rgba(2, 36, 72, 0.06), 0 18px 34px -12px rgba(2, 36, 72, 0.22); }
.stat-card:hover::before { transform: scaleX(1); }
.stat-card b { display: block; font-family: var(--font-head); font-size: 2.3rem; color: #e28408; line-height: 1.1; }
.stat-card span { font-size: 0.83rem; color: var(--c-text-soft); font-weight: 600; }

/* ============================================================
   THEME QUOTE
   ============================================================ */
.theme-banner {
  background: linear-gradient(135deg, #022448 0%, #0a3a6b 100%);
  position: relative; overflow: hidden; color: #fff;
}
.theme-banner::before {
  content: "\201C"; position: absolute; top: -70px; left: 30px; font-family: var(--font-head);
  font-size: 15rem; opacity: 0.14; line-height: 1;
}
.theme-banner .container { position: relative; z-index: 1; }
.theme-quote { max-width: 900px; margin: 0 auto; text-align: center; padding: 26px 0; }
.theme-quote h2 { font-family: var(--font-head); font-size: clamp(1.5rem, 3vw, 2.2rem); line-height: 1.3; font-weight: 600; }
.theme-quote .quote-mark { color: #f6a83b; }
.theme-quote p { margin-top: 16px; letter-spacing: 0.14em; text-transform: uppercase; font-size: 0.78rem; color: rgba(255, 255, 255, 0.75); font-weight: 600; }

/* ============================================================
   IMPORTANT DATES — date left, content right of rail, 3D
   ============================================================ */
.timeline {
  position: relative; max-width: 900px; margin: 0 auto; padding: 40px 0 20px;
}
/* vertical rail */
.timeline::before {
  content: ""; position: absolute; left: 162px; top: 0; bottom: 0;
  width: 4px; border-radius: 2px;
  background: linear-gradient(180deg, #022448, #0a3a6b);
  box-shadow: 0 0 14px rgba(2, 36, 72, 0.3);
}

.tl-item {
  display: flex; align-items: flex-start; margin-bottom: 40px; position: relative;
}
/* dot on the rail */
.tl-item::before {
  content: ""; position: absolute; left: 155px; top: 22px;
  width: 16px; height: 16px; border-radius: 50%;
  background: #fff; border: 3px solid #022448;
  box-shadow: 0 0 12px rgba(2, 36, 72, 0.4); z-index: 2;
}

/* --- Date chip (LEFT of rail) --- 3D */
.tl-date {
  flex: 0 0 130px; text-align: center;
  background: linear-gradient(145deg, #ffffff, #f0f4f8, #e8eef5);
  border: 2px solid #022448; border-radius: 14px;
  padding: 14px 10px;
  box-shadow: 0 2px 4px rgba(2,36,72,0.08), 0 6px 14px rgba(2,36,72,0.1), 0 10px 20px rgba(2,36,72,0.06),
    inset 0 1px 0 rgba(255,255,255,0.9), inset 0 -1px 0 rgba(2,36,72,0.05);
  transition: transform 0.35s cubic-bezier(0.23,1,0.32,1), box-shadow 0.35s cubic-bezier(0.23,1,0.32,1);
  position: relative; overflow: hidden; cursor: default;
}
.tl-date::before {
  content: ""; position: absolute; top: 0; left: -100%; width: 100%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(2,36,72,0.06), transparent);
  transition: left 0.6s;
}
.tl-date:hover::before { left: 100%; }
.tl-date:hover {
  transform: translateY(-3px) scale(1.03);
  box-shadow: 0 4px 8px rgba(2,36,72,0.1), 0 10px 24px rgba(2,36,72,0.14), 0 16px 32px rgba(2,36,72,0.08);
}

.tl-date .day {
  display: block; font-size: 1.8rem; font-weight: 900;
  color: #022448; line-height: 1; letter-spacing: -0.02em;
}
.tl-date .month {
  display: block; font-size: 0.72rem; font-weight: 700;
  color: #5c6b7c; text-transform: uppercase;
  letter-spacing: 0.06em; margin-top: 2px;
}

/* --- Content card (RIGHT of rail) --- 3D */
.tl-label {
  flex: 1; margin-left: 38px;
  background: linear-gradient(145deg, #ffffff, #f8fbff, #f0f6ff);
  padding: 20px 26px; border-radius: 16px;
  box-shadow: 0 2px 4px rgba(2,36,72,0.06), 0 6px 14px rgba(2,36,72,0.08), 0 14px 28px rgba(2,36,72,0.05),
    inset 0 1px 0 rgba(255,255,255,0.9), inset 0 -1px 0 rgba(2,36,72,0.04);
  transition: transform 0.35s cubic-bezier(0.23,1,0.32,1), box-shadow 0.35s cubic-bezier(0.23,1,0.32,1);
  border: 1px solid rgba(2,36,72,0.08); position: relative; min-height: 60px;
}
.tl-label::after {
  content: ""; position: absolute; inset: 0; border-radius: 16px; pointer-events: none;
  background: linear-gradient(165deg, rgba(255,255,255,0.5) 0%, transparent 40%, transparent 100%);
}
.tl-label:hover {
  transform: translateY(-5px) rotateX(1deg);
  box-shadow: 0 4px 8px rgba(2,36,72,0.08), 0 12px 24px rgba(2,36,72,0.12), 0 24px 48px rgba(2,36,72,0.08),
    inset 0 1px 0 rgba(255,255,255,0.95), inset 0 -1px 0 rgba(2,36,72,0.06);
  border-color: #022448;
}
.tl-label strong {
  display: block; color: #022448;
  font-size: 1.05rem; font-weight: 700; margin-bottom: 3px; line-height: 1.4;
  position: relative; z-index: 1;
}
.tl-label span {
  color: #5c6b7c; font-size: 0.88rem; line-height: 1.5;
  position: relative; z-index: 1;
}

/* --- Highlighted / conference day --- */
.tl-item.tl-highlight .tl-date {
  background: linear-gradient(145deg, #022448, #0a3a6b); border-color: #022448;
  animation: dateboxPulseNavy 2.2s ease-in-out infinite;
  box-shadow: 0 4px 10px rgba(2,36,72,0.3), 0 12px 28px rgba(2,36,72,0.25), inset 0 1px 0 rgba(255,255,255,0.15);
}
.tl-item.tl-highlight .tl-date .day,
.tl-item.tl-highlight .tl-date .month { color: #fff; }
.tl-item.tl-highlight .tl-label {
  background: linear-gradient(145deg, #e0f2fe, #bae6fd, #7dd3fc);
  border: 2px solid #022448;
  box-shadow: 0 4px 10px rgba(2,36,72,0.12), 0 12px 28px rgba(2,36,72,0.1), inset 0 1px 0 rgba(255,255,255,0.8);
}
.tl-item.tl-highlight .tl-label strong { color: #022448; }
@keyframes dateboxPulseNavy {
  0%, 100% { transform: scale(1); box-shadow: 0 0 18px rgba(2,36,72,0.3); }
  50% { transform: scale(1.05); box-shadow: 0 0 36px rgba(2,36,72,0.5); }
}

/* --- Completed / past milestone --- ash / light blue --- */
.tl-item.tl-completed .tl-date {
  background: linear-gradient(145deg, #f8fafc, #f1f5f9, #e8edf2); border-color: #94a3b8;
}
.tl-item.tl-completed .tl-date .day { color: #64748b; }
.tl-item.tl-completed .tl-date .month { color: #94a3b8; }
.tl-item.tl-completed::before { border-color: #94a3b8; background: #94a3b8; }
.tl-item.tl-completed .tl-label { opacity: 0.7; }
.tl-item.tl-completed .tl-label::after { content: " \2713"; color: #64748b; font-weight: 700; position: relative; z-index: 1; }

/* --- Extended badge --- */
.extended-badge {
  display: inline-block; background: #022448;
  color: #fff; font-size: 0.7rem; font-weight: 800; letter-spacing: 0.06em;
  text-transform: uppercase; padding: 3px 9px; border-radius: 999px;
  margin-left: 8px; vertical-align: middle;
}

/* extended milestone */
.tl-item.tl-extended .tl-previous { text-decoration: line-through; opacity: 0.5; margin-right: 6px; }
.tl-item.tl-extended .tl-date-new { color: #022448; font-weight: 700; }
.tl-item.tl-extended.tl-completed .tl-date-new { color: #64748b; }

/* legacy alternate classes (kept for compat) */
.tl-date-box { flex: 0 0 130px; text-align: center; }
.date-box {
  background: linear-gradient(145deg, #ffffff, #f0f4f8, #e8eef5);
  border: 2px solid #022448; border-radius: 14px;
  padding: 14px; display: inline-block;
  box-shadow: 0 2px 4px rgba(2,36,72,0.08), 0 6px 14px rgba(2,36,72,0.1), inset 0 1px 0 rgba(255,255,255,0.9);
  transition: var(--transition); position: relative; overflow: hidden;
}
.date-box.featured {
  background: linear-gradient(145deg, #022448, #0a3a6b); border-color: #022448;
  animation: dateboxPulseNavy 2s ease-in-out infinite;
  box-shadow: 0 4px 10px rgba(2,36,72,0.3), 0 12px 28px rgba(2,36,72,0.25), inset 0 1px 0 rgba(255,255,255,0.15);
}
.date-box .day { display: block; font-size: 1.8rem; font-weight: 900; color: #022448; line-height: 1; }
.date-box.featured .day { color: #fff; }
.date-box .month { display: block; font-size: 0.75rem; font-weight: 700; color: #5c6b7c; text-transform: uppercase; letter-spacing: 0.05em; margin-top: 2px; }
.date-box.featured .month { color: rgba(255,255,255,0.85); }

.tl-content {
  flex: 1; background: linear-gradient(145deg, #ffffff, #f8fbff, #f0f6ff);
  padding: 20px 24px; border-radius: 16px;
  box-shadow: 0 2px 4px rgba(2,36,72,0.06), 0 6px 14px rgba(2,36,72,0.08), inset 0 1px 0 rgba(255,255,255,0.9);
  transition: var(--transition); border: 1px solid rgba(2,36,72,0.08); position: relative;
}
.tl-content:hover { transform: translateY(-3px); box-shadow: 0 8px 24px rgba(2,36,72,0.12); border-color: #022448; }
.tl-content h3 { color: #022448; margin-bottom: 8px; font-size: 1.1rem; font-weight: 700; }
.tl-content p { color: #5c6b7c; line-height: 1.6; font-size: 0.9rem; margin: 0; }

/* ============================================================
   TRACKS — Enhanced COLLNET card grid
   ============================================================ */
.tracks-bg { background: linear-gradient(180deg, #f0f9ff 0%, #ffffff 100%); }
.track-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.track-card {
  background: #fff; border-radius: 24px; padding: 36px 28px;
  box-shadow: 0 4px 20px rgba(2, 36, 72, 0.08); transition: var(--transition);
  border: 1px solid rgba(2, 36, 72, 0.08); position: relative; overflow: hidden;
  display: flex; flex-direction: column;
}
.track-card::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 6px;
  background: linear-gradient(90deg, var(--c-primary, #022448), var(--c-accent, #e28408));
  transform: scaleX(0); transform-origin: left; transition: var(--transition);
}
.track-card::after {
  content: ""; position: absolute; top: -50%; right: -50%; width: 200%; height: 200%;
  background: radial-gradient(circle, rgba(226, 132, 8, 0.04) 0%, transparent 70%);
  opacity: 0; transition: var(--transition); pointer-events: none;
}
.track-card:hover { transform: translateY(-10px); box-shadow: 0 12px 40px rgba(2, 36, 72, 0.18); border-color: var(--c-accent, #e28408); }
.track-card:hover::before { transform: scaleX(1); }
.track-card:hover::after { opacity: 1; }

.track-num {
  width: 56px; height: 56px; border-radius: 16px; display: grid; place-items: center;
  background: linear-gradient(135deg, var(--c-primary, #022448), var(--c-primary-soft, #0a3a6b));
  color: #fff; font-weight: 800; font-family: var(--font-head); font-size: 1.3rem;
  margin-bottom: 20px; box-shadow: 0 8px 20px -6px rgba(2, 36, 72, 0.35);
  transition: var(--transition);
}
.track-card:hover .track-num { transform: scale(1.08) rotateY(10deg); }
.track-card h3 {
  font-size: 1.1rem; color: var(--c-primary, #022448); margin-bottom: 0;
  line-height: 1.4; font-weight: 700; position: relative; z-index: 1;
}

/* ============================================================
   CALL FOR PAPERS
   ============================================================ */
.cfp-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 54px; align-items: start; }
.cfp-copy p { color: var(--c-text-soft); margin-bottom: 16px; font-size: 1.02rem; }
.cfp-steps { display: grid; gap: 14px; margin-top: 26px; }
.cfp-step { display: flex; gap: 16px; align-items: flex-start; }
.cfp-step .n {
  width: 38px; height: 38px; border-radius: 50%; flex-shrink: 0; display: grid; place-items: center;
  background: linear-gradient(135deg, #e28408, #c96e05); color: #fff;
  font-weight: 800; font-size: 0.9rem; box-shadow: 0 6px 14px rgba(226, 132, 8, 0.4);
}
.cfp-step b { display: block; color: #022448; font-size: 0.98rem; }
.cfp-step span { color: var(--c-text-soft); font-size: 0.9rem; }

.cfp-panel {
  background: #fff; border: 1px solid var(--c-border); border-radius: 20px;
  box-shadow: var(--shadow-md); overflow: hidden;
}
.cfp-panel-head {
  padding: 22px 26px;
  background: linear-gradient(135deg, #022448, #0a3a6b); color: #fff;
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
}
.cfp-panel-head h3 { font-family: var(--font-head); font-size: 1.3rem; }
.cfp-panel-head .live-tag { font-size: 0.68rem; font-weight: 800; letter-spacing: 0.1em; text-transform: uppercase; background: #e28408; padding: 5px 11px; border-radius: 999px; color: #fff; }
.cfp-panel-body { padding: 26px; }
.cfp-field { display: flex; gap: 14px; padding: 12px 0; border-bottom: 1px dashed var(--c-border); font-size: 0.92rem; }
.cfp-field:last-child { border-bottom: none; }
.cfp-field .k { color: var(--c-text-soft); font-weight: 600; width: 130px; flex-shrink: 0; }
.cfp-field .v { color: var(--c-text); font-weight: 600; }
.cfp-cta { margin-top: 22px; }

/* ============================================================
   REGISTRATION & PAYMENT — COLLNET style
   ============================================================ */
.reg-section { background: linear-gradient(180deg, #f5f8fc 0%, #ffffff 100%); }
.reg-tables { display: grid; grid-template-columns: repeat(auto-fit, minmax(400px, 1fr)); gap: 40px; margin-bottom: 48px; }
.reg-table-wrapper {
  background: #fff; border-radius: 24px; overflow: hidden;
  box-shadow: var(--shadow-lg); transition: var(--transition);
  border: 1px solid rgba(2, 36, 72, 0.1);
}
.reg-table-wrapper:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }

.reg-table-title {
  padding: 24px; color: #fff; text-align: center;
  font-size: 1.4rem; font-weight: 800; letter-spacing: -0.01em;
}
.reg-table-title.early-bird { background: var(--c-primary, #022448); }
.reg-table-title.normal { background: var(--c-primary-soft, #0a3a6b); }

.reg-table { width: 100%; border-collapse: collapse; }
.reg-table thead { background: linear-gradient(135deg, #e0f2fe, #dbeafe); }
.reg-table th { padding: 18px; text-align: left; color: #022448; font-weight: 700; font-size: 1rem; }
.reg-table td {
  padding: 18px; border-bottom: 1px solid #f1f5f9; color: var(--c-text);
  font-size: 1rem; font-weight: 500; transition: var(--transition);
}
.reg-table tbody tr:hover { background: linear-gradient(90deg, rgba(2, 132, 199, 0.03), transparent); }
.reg-table tbody tr:last-child td { border-bottom: none; }

/* Bank transfer card */
.bank-card {
  background: #fff; border: 2px solid #022448; border-radius: 24px;
  padding: 40px; margin-bottom: 40px; box-shadow: var(--shadow-md);
  position: relative; overflow: hidden;
}
.bank-card::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 4px;
  background: linear-gradient(90deg, #022448, #0284c7);
}
.bank-card h3 {
  color: #022448; font-size: 1.4rem; font-weight: 800;
  margin-bottom: 24px; display: flex; align-items: center; gap: 12px;
}
.bank-card h3 i { color: #e28408; font-size: 1.6rem; }

.bank-field {
  display: flex; justify-content: space-between; align-items: center;
  padding: 14px 0; border-bottom: 1px solid #f1f5f9;
}
.bank-field:last-child { border-bottom: none; }
.bank-field span:first-child { color: var(--c-text-soft); font-weight: 600; font-size: 0.9rem; }
.bank-field span:last-child { color: #022448; font-weight: 700; font-size: 1rem; }

/* Registration process steps */
.process-steps {
  background: #fff; border: 2px solid var(--c-border); border-radius: 24px;
  padding: 40px; margin-bottom: 40px; box-shadow: var(--shadow-md);
}
.process-steps h3 {
  color: #022448; font-size: 1.4rem; font-weight: 800;
  margin-bottom: 28px; text-align: center;
}

.step {
  display: flex; align-items: flex-start; gap: 18px; padding: 16px 0;
  border-bottom: 1px solid #f1f5f9;
}
.step:last-child { border-bottom: none; }
.step-num {
  width: 40px; height: 40px; border-radius: 50%; flex-shrink: 0;
  display: grid; place-items: center;
  background: linear-gradient(135deg, #e28408, #c96e05); color: #fff;
  font-weight: 800; font-size: 1rem; box-shadow: 0 4px 12px rgba(226, 132, 8, 0.35);
}
.step div { font-weight: 600; color: #022448; font-size: 1rem; padding-top: 8px; }

.reg-deadline {
  text-align: center; font-size: 1.15rem; color: #022448;
  background: linear-gradient(135deg, #fef3c7, #fde68a);
  border: 2px solid #e28408; border-radius: 16px;
  padding: 20px 32px; box-shadow: var(--shadow-md);
}
.reg-deadline strong { color: #e28408; }

/* ============================================================
   DOCUMENTS / DOWNLOADS
   ============================================================ */
.doc-group { margin-bottom: 36px; }
.doc-group-heading {
  font-size: 1.15rem; font-weight: 700; color: #022448;
  margin-bottom: 18px; padding-bottom: 10px;
  border-bottom: 2px solid #e28408;
}
.doc-group-divider { border: none; border-top: 1px solid var(--c-border); margin: 40px 0; }
.doc-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.doc-card {
  background: linear-gradient(145deg, #f0f9ff 0%, #e0f2fe 40%, #bae6fd 100%);
  border: 1.5px solid rgba(2, 132, 199, 0.15); border-radius: 20px;
  padding: 26px 22px; display: flex; flex-direction: column; position: relative; overflow: hidden;
  box-shadow:
    0 2px 4px rgba(2, 132, 199, 0.06),
    0 6px 14px rgba(2, 132, 199, 0.08),
    0 14px 28px rgba(2, 36, 72, 0.05),
    inset 0 1px 0 rgba(255, 255, 255, 0.9),
    inset 0 -1px 0 rgba(2, 132, 199, 0.06);
  transition: transform 0.35s cubic-bezier(0.23, 1, 0.32, 1), box-shadow 0.35s cubic-bezier(0.23, 1, 0.32, 1);
  transform-style: preserve-3d;
  perspective: 800px;
}
.doc-card::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 4px;
  background: linear-gradient(90deg, #0284c7, #022448);
  transform: scaleX(0); transition: transform 0.35s cubic-bezier(0.23, 1, 0.32, 1);
  transform-origin: left center;
}
.doc-card::after {
  content: ""; position: absolute; inset: 0; border-radius: 20px; pointer-events: none;
  background: linear-gradient(165deg, rgba(255,255,255,0.5) 0%, transparent 40%, transparent 100%);
  opacity: 1; transition: opacity 0.35s ease;
}
.doc-card:hover {
  transform: translateY(-8px) rotateX(2deg) rotateY(-1deg);
  box-shadow:
    0 4px 8px rgba(2, 132, 199, 0.08),
    0 12px 24px rgba(2, 132, 199, 0.12),
    0 24px 48px rgba(2, 36, 72, 0.08),
    0 32px 64px rgba(2, 36, 72, 0.04),
    inset 0 1px 0 rgba(255, 255, 255, 0.95),
    inset 0 -1px 0 rgba(2, 132, 199, 0.08);
}
.doc-card:hover::before { transform: scaleX(1); }
.doc-card:hover::after { opacity: 0.6; }
.doc-card:active {
  transform: translateY(-3px) rotateX(0.5deg);
  transition-duration: 0.15s;
}
.doc-icon {
  width: 54px; height: 54px; border-radius: 14px; display: grid; place-items: center;
  background: linear-gradient(135deg, #0284c7, #022448); color: #fff;
  margin-bottom: 18px;
  box-shadow: 0 4px 12px rgba(2, 132, 199, 0.25), inset 0 1px 0 rgba(255,255,255,0.2);
}
.doc-icon svg { width: 26px; height: 26px; }
.doc-type { align-self: flex-start; font-size: 0.68rem; font-weight: 800; letter-spacing: 0.1em; background: linear-gradient(135deg, #0284c7, #022448); color: #fff; padding: 3px 10px; border-radius: 999px; margin-bottom: 12px; }
.doc-card h3 { font-size: 1.02rem; color: #022448; margin-bottom: 7px; }
.doc-card p { font-size: 0.86rem; color: var(--c-text-soft); flex: 1; margin-bottom: 16px; }
.doc-link { display: inline-flex; align-items: center; gap: 7px; font-size: 0.86rem; font-weight: 700; color: #0284c7; }
.doc-link svg { width: 15px; height: 15px; transition: var(--transition); }
.doc-link:hover svg { transform: translateX(4px); }

/* ============================================================
   ORGANISER / HOST
   ============================================================ */
.host-band { background: var(--c-bg-soft); border-top: 1px solid var(--c-border); border-bottom: 1px solid var(--c-border); }
.host-inner { display: flex; align-items: center; justify-content: center; gap: 30px; flex-wrap: wrap; padding: 38px 0; }
.host-item { display: flex; align-items: center; gap: 16px; }
.host-icon {
  width: 74px; height: 74px; border-radius: 18px; flex-shrink: 0;
  display: grid; place-items: center;
  background: #fff; color: #022448;
  border: 1px solid var(--c-border);
  box-shadow: var(--shadow-sm); transition: var(--transition);
}
.host-item:hover .host-icon { transform: translateY(-4px) scale(1.04); box-shadow: var(--shadow-md); }
.host-icon svg { width: 32px; height: 32px; }
.host-item .ht { font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.12em; color: var(--c-text-soft); font-weight: 700; }
.host-item .hn { font-weight: 800; color: #022448; font-size: 1rem; line-height: 1.3; }
.host-divider { width: 1px; height: 56px; background: var(--c-border); }

/* ============================================================
   CONTACT
   ============================================================ */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: start; }
.contact-info p { color: var(--c-text-soft); margin-bottom: 26px; }
.contact-line { display: flex; align-items: center; gap: 14px; padding: 13px 0; border-bottom: 1px dashed var(--c-border); font-size: 0.95rem; }
.contact-line:last-of-type { border-bottom: none; }
.contact-line svg { width: 20px; height: 20px; color: #e28408; flex-shrink: 0; }
.contact-line b { color: var(--c-text-soft); font-weight: 600; display: block; font-size: 0.76rem; text-transform: uppercase; letter-spacing: 0.1em; }
.contact-line a, .contact-line span { color: #022448; font-weight: 600; }

.contact-cards { display: grid; gap: 18px; }
.person-card {
  background: #fff; border: 1px solid var(--c-border); border-radius: 20px;
  padding: 22px; position: relative; overflow: hidden;
  box-shadow: var(--shadow-md); transition: var(--transition);
}
.person-card::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 4px;
  background: linear-gradient(90deg, #022448, #0284c7);
  transform: scaleX(0); transition: var(--transition);
}
.person-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.person-card:hover::before { transform: scaleX(1); }
.person-role { font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.12em; color: #c96e05; font-weight: 800; }
.person-name { font-family: var(--font-head); font-size: 1.18rem; color: #022448; margin: 5px 0 10px; }
.person-meta { display: flex; flex-direction: column; gap: 5px; font-size: 0.88rem; }
.person-meta a, .person-meta span { color: var(--c-text-soft); font-weight: 500; display: inline-flex; align-items: center; gap: 8px; }
.person-meta svg { width: 15px; height: 15px; color: #e28408; }
.person-meta a:hover { color: #c96e05; }

/* ============================================================
   3D CARD SURFACES
   ============================================================ */
.stat-card, .track-card, .doc-card, .person-card, .host-icon, .cfp-panel, .cmt-note,
.bank-card, .process-steps, .reg-table-wrapper {
  background-image: linear-gradient(180deg, rgba(255, 255, 255, 0.75), rgba(255, 255, 255, 0) 46%);
  box-shadow: 0 1px 1px rgba(2, 36, 72, 0.04), 0 8px 18px -8px rgba(2, 36, 72, 0.12), 0 28px 56px -28px rgba(2, 36, 72, 0.22), inset 0 1px 0 rgba(255, 255, 255, 0.8);
}
.cfp-panel, .bank-card, .process-steps, .reg-table-wrapper { background-image: none; }
.cfp-panel-head { position: relative; z-index: 1; box-shadow: 0 10px 26px -12px rgba(2, 36, 72, 0.5); }
.stat-card b, .stat-card span, .track-card, .doc-card, .person-card, .cmt-note { position: relative; z-index: 1; }
.track-card::before, .doc-card::before, .person-card::before, .stat-card::before { z-index: 2; }
.track-num, .doc-icon { box-shadow: 0 6px 16px -6px rgba(2, 36, 72, 0.22), inset 0 1px 0 rgba(255, 255, 255, 0.7); }
.countdown-box {
  background: rgba(255, 255, 255, 0.08); border: 1px solid rgba(255, 255, 255, 0.22);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.25), 0 14px 30px -14px rgba(0, 0, 0, 0.55), inset 0 1px 0 rgba(255, 255, 255, 0.18);
  backdrop-filter: blur(6px);
}

.btn, .nav-toggle, .theme-dot-btn, .fab, .doc-link { touch-action: manipulation; -webkit-tap-highlight-color: transparent; }

@media (hover: none) {
  .stat-card:hover, .track-card:hover, .doc-card:hover, .person-card:hover,
  .host-item:hover .host-icon, .nav-brand:hover img, .footer-brand img:hover { transform: none; }
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer { background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%); color: rgba(255, 255, 255, 0.75); margin-top: 0; position: relative; }
.footer::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(226, 132, 8, 0.5), transparent);
}
.footer-top { display: grid; grid-template-columns: 1.3fr 0.9fr 0.9fr; gap: 46px; padding: 66px 0 44px; position: relative; z-index: 1; }
.footer-brand img {
  display: block; height: 150px; width: auto; max-width: 280px; object-fit: contain;
  padding: 12px 18px; margin: 0 0 18px;
  background: #ffffff; border-radius: 18px;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 14px 34px -10px rgba(0, 0, 0, 0.45);
  transition: transform var(--transition);
}
.footer-brand img:hover { transform: translateY(-3px); }
.footer-brand h3 { color: #fff; font-family: var(--font-head); font-size: 1.25rem; margin-bottom: 10px; }
.footer-brand p { font-size: 0.9rem; max-width: 380px; }
.footer h4 { color: #f6a83b; font-size: 0.86rem; text-transform: uppercase; letter-spacing: 0.13em; margin-bottom: 18px; }
.footer-links li { margin-bottom: 10px; }
.footer-links a { color: rgba(255, 255, 255, 0.72); font-size: 0.92rem; display: inline-flex; align-items: center; gap: 8px; }
.footer-links a::before { content: ""; width: 5px; height: 5px; border-radius: 50%; background: #e28408; transition: var(--transition); }
.footer-links a:hover { color: #fff; }
.footer-links a:hover::before { transform: scale(1.6); }
.footer-contact li { display: flex; gap: 10px; margin-bottom: 12px; font-size: 0.9rem; align-items: flex-start; }
.footer-contact svg { width: 17px; height: 17px; color: #e28408; flex-shrink: 0; margin-top: 3px; }
.footer-contact a { color: rgba(255, 255, 255, 0.8); }
.footer-contact a:hover { color: #fff; }
.footer-bottom { border-top: 1px solid rgba(255, 255, 255, 0.14); padding: 22px 0; display: flex; align-items: center; justify-content: space-between; gap: 14px; flex-wrap: wrap; font-size: 0.84rem; position: relative; z-index: 1; }
.footer-bottom a { color: #f6a83b; }
.admin-link { opacity: 0.65; transition: var(--transition); }
.admin-link:hover { opacity: 1; }

/* ============================================================
   CMT NOTE
   ============================================================ */
.cmt-section { background: var(--c-bg-soft); border-top: 1px solid var(--c-border); padding: 42px 0; }
.cmt-note {
  position: relative; overflow: hidden;
  max-width: 920px; margin: 0 auto;
  display: flex; gap: 20px; align-items: flex-start;
  background: #fff; border: 1px solid var(--c-border); border-radius: 18px;
  padding: 26px 30px;
}
.cmt-note::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, #022448, #0284c7); opacity: 0.5;
}
.cmt-badge {
  flex-shrink: 0; width: 52px; height: 52px; border-radius: 14px;
  display: grid; place-items: center;
  background: #022448; color: #fff;
  font-family: var(--font-head); font-weight: 800; font-size: 0.85rem; letter-spacing: 0.05em;
  box-shadow: 0 8px 18px -6px rgba(2, 36, 72, 0.35);
}
.cmt-note strong { display: block; color: #022448; margin-bottom: 6px; font-size: 1rem; letter-spacing: 0.02em; }
.cmt-note p { margin: 0; font-size: 0.92rem; color: var(--c-text-soft); line-height: 1.65; }

/* ============================================================
   FLOATING CMT BUTTON
   ============================================================ */
.fab {
  position: fixed; right: 26px; bottom: 26px; z-index: 1500;
  display: inline-flex; align-items: center; gap: 12px;
  padding: 14px 24px; border-radius: 999px;
  background: linear-gradient(135deg, #022448, #0a3a6b); color: #fff;
  box-shadow: 0 6px 16px rgba(2,36,72,0.3), 0 14px 34px rgba(2,36,72,0.2),
    inset 0 1px 0 rgba(255,255,255,0.15);
  opacity: 0; visibility: hidden; transform: translateY(90px);
  transition: transform 0.35s cubic-bezier(0.23,1,0.32,1), box-shadow 0.35s ease, opacity 0.35s ease, background 0.3s ease;
  text-decoration: none;
}
.fab.show { opacity: 1; visibility: visible; transform: translateY(0); }
.fab:hover {
  transform: translateY(-3px); background: linear-gradient(135deg, #0a3a6b, #022448);
  box-shadow: 0 8px 20px rgba(2,36,72,0.35), 0 20px 44px rgba(2,36,72,0.25),
    inset 0 1px 0 rgba(255,255,255,0.2); color: #fff;
}
.fab svg { width: 20px; height: 20px; flex-shrink: 0; opacity: 0.9; }
.fab-text { display: flex; flex-direction: column; line-height: 1.2; }
.fab-title { font-size: 0.88rem; font-weight: 800; letter-spacing: 0.02em; }
.fab-sub { font-size: 0.68rem; opacity: 0.75; font-weight: 500; letter-spacing: 0.01em; margin-top: 1px; }
.fab::after {
  content: ""; position: absolute; inset: -4px; border-radius: inherit;
  border: 2px solid rgba(2,36,72,0.4); opacity: 0; pointer-events: none;
  animation: fabpulse 2.4s ease-out infinite;
}
@keyframes fabpulse { 0% { transform: scale(1); opacity: 0.7; } 100% { transform: scale(1.16); opacity: 0; } }

/* ============================================================
   SCROLL TO TOP — COLLNET style
   ============================================================ */
.scroll-top {
  position: fixed; bottom: 40px; left: 40px; z-index: 1500;
  width: 50px; height: 50px; border-radius: 50%; border: none; cursor: pointer;
  background: linear-gradient(135deg, #e28408, #c96e05);
  color: #fff; font-size: 1.2rem;
  box-shadow: 0 4px 20px rgba(226, 132, 8, 0.4);
  opacity: 0; visibility: hidden; transform: translateY(20px);
  transition: var(--transition);
  display: flex; align-items: center; justify-content: center;
}
.scroll-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }
.scroll-top:hover { transform: translateY(-3px); box-shadow: 0 8px 30px rgba(226, 132, 8, 0.5); }

/* ============================================================
   REVEAL ANIMATIONS
   ============================================================ */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity 0.8s ease, transform 0.8s ease; }
.reveal.in { opacity: 1; transform: translateY(0); }
.reveal.d1 { transition-delay: 0.08s; }
.reveal.d2 { transition-delay: 0.16s; }
.reveal.d3 { transition-delay: 0.24s; }
.reveal.d4 { transition-delay: 0.32s; }

/* ============================================================
   CMS TOAST
   ============================================================ */
.cms-toast {
  position: fixed; bottom: 26px; left: 50%; transform: translate(-50%, 80px); z-index: 3000;
  background: #022448; color: #fff; padding: 13px 24px; border-radius: 999px;
  box-shadow: var(--shadow-lg); font-size: 0.9rem; font-weight: 600; opacity: 0;
  transition: transform var(--transition), opacity var(--transition); pointer-events: none;
}
.cms-toast.show { transform: translate(-50%, 0); opacity: 1; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr; gap: 54px; }
  .hero { padding-top: 230px; padding-bottom: 60px; }
  .hero-visual { max-width: 380px; margin: 0 auto; width: 100%; }
  .about-grid, .cfp-grid, .contact-grid { grid-template-columns: 1fr; gap: 44px; }
  .track-grid { grid-template-columns: repeat(2, 1fr); }
  .doc-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .tl-date { flex: none; width: 110px; padding: 10px 8px; }
  .tl-date .day { font-size: 1.5rem; }
  .tl-date .month { font-size: 0.72rem; }
  .tl-label { padding: 16px 20px; }
  .tl-label strong { font-size: 0.92rem; }
  .tl-label span { font-size: 0.8rem; }
  .tl-item { margin-bottom: 32px; }
}

@media (max-width: 820px) {
  .nav-links { display: none; }
  .nav-toggle { display: block; }
  .site-header, .site-header.scrolled { height: auto; padding-top: 8px; }
  .site-header.scrolled { box-shadow: 0 12px 40px rgba(2, 36, 72, 0.07); }
  .site-header.scrolled::after { opacity: 0.55; }
  .site-inner { flex-wrap: wrap; gap: 0; height: auto; }
  .nav-brand { flex: 0 0 100%; width: auto; justify-content: center; height: auto; }
  .nav-brand img { max-width: 78vw; max-height: 150px; height: auto; }
  .site-header.scrolled .nav-brand img { max-width: 78vw; max-height: 150px; height: auto; padding: 4px 0; opacity: 1; transform: none; }
  .header-side { position: absolute; top: 8px; right: 12px; width: auto; height: auto; flex-direction: column; align-items: flex-end; gap: 8px; padding-top: 0; }
  .topbar, .site-header.scrolled .topbar { height: auto; padding: 0; flex: none; justify-content: flex-end; border-bottom: none; background: none; opacity: 1; pointer-events: auto; }
  .topbar-links { gap: 14px; min-width: 0; }
  .topbar-links a, .dot-sep, .topbar-divider { display: none; }
  .navbar { flex: 0 0 auto; }
  .navbar.open .nav-links {
    display: flex; position: fixed; top: var(--menu-top, 8px); right: 12px; left: auto; min-width: 260px;
    flex-direction: column; align-items: flex-start; gap: 4px;
    background: var(--c-nav); backdrop-filter: blur(16px);
    padding: 18px 24px 24px; border: 1px solid var(--c-border); border-radius: 16px; box-shadow: var(--shadow-md);
    max-height: calc(100vh - var(--menu-top, 8px) - 16px); overflow-y: auto;
  }
  .nav-links a { padding: 10px 0; width: 100%; font-size: 1.1rem !important; }
  .section { padding: 66px 0; }
  /* Mobile timeline: single column, left rail */
  .timeline { padding-left: 0; }
  .timeline::before { left: 20px; }
  .tl-item { flex-direction: column; align-items: flex-start; gap: 10px; padding-left: 44px; }
  .tl-item::before { left: 20px; top: 16px; }
  .tl-date { width: 100%; flex: none; }
  .tl-label { width: 100%; margin-left: 0; }
  .tl-date .day { font-size: 1.4rem; }
  .tl-date .month { font-size: 0.7rem; }
  .reg-tables { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .track-grid, .doc-grid, .about-stats { grid-template-columns: 1fr; }
  .countdown { gap: 8px; }
  .countdown-box { padding: 12px 4px 10px; }
  .countdown-box b { font-size: 1.5rem; }
  .footer-top { grid-template-columns: 1fr; gap: 32px; }
  .footer-brand img { width: 100%; max-width: 100%; height: auto; padding: 14px 20px; }
  .float-badge.fb-2 { left: 0; }
  .float-badge.fb-1 { right: 0; }
  .nav-brand img { max-width: 78vw; }
  .topbar-links { gap: 10px; }
  .dot-sep { display: none; }
  .fab { right: 16px; bottom: 16px; padding: 12px 18px; gap: 10px; }
  .scroll-top { left: 16px; bottom: 16px; width: 44px; height: 44px; }
  .host-inner { gap: 20px; }
  .host-item { flex-direction: column; text-align: center; gap: 10px; }
  .host-divider { width: 56px; height: 1px; }
  .cmt-note { flex-direction: column; align-items: flex-start; padding: 22px 20px; }
  .footer-bottom { flex-direction: column; text-align: center; gap: 6px; }
}