:root {
  /* FrostByte Palette */
  --bg-body: #0f172a;      /* Deep Slate */
  --bg-card: #1e293b;      /* Lighter Slate */
  --bg-glass: rgba(30, 41, 59, 0.6);
  
  --primary: #6366f1;      /* Indigo */
  --primary-glow: rgba(99, 102, 241, 0.4);
  --accent: #22d3ee;       /* Ice Cyan */
  --accent-glow: rgba(34, 211, 238, 0.3);
  
  --text-main: #f1f5f9;    /* Snow White */
  --text-muted: #94a3b8;   /* Blue-ish gray */
  
  --border: rgba(255, 255, 255, 0.08);
  --radius: 16px;
  --nav-height: 70px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  background-color: var(--bg-body);
  /* Cyber grid background */
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 40px 40px;
  background-attachment: fixed;
  min-height: 100%;
}

body {
  margin: 0;
  font-family: 'Inter', sans-serif;
  background-color: transparent;
  background-image: none;
  min-height: 100%;
  color: var(--text-main);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3{
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  margin-top: 0;
}

.brand {
  font-family: 'JetBrains Mono', monospace;
  font-weight: 700;
  letter-spacing: -1px;
  font-size: 1.6rem;
  display: flex;
  align-items: center;
  padding: 0;
}

.brand-logo {
  height: 55px; 
  width: auto;
  display: block;
}

/*.cyber-glitch {
  font-family: 'JetBrains Mono', monospace;
  font-size: 5rem; 
  font-weight: 800;
  margin: 0 0 10px 0;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 2px var(--accent); 
  position: relative;
  display: inline-block;
  text-shadow: 0 0 20px rgba(34, 211, 238, 0.4);
}
.cyber-glitch::after {
  content: '_';
  color: var(--accent);
  animation: blink 1s infinite;
  margin-left: 5px;
}*/

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

h2.section-title {
  font-size: 2rem;
  text-align: center;
  margin-bottom: 20px;
  position: relative;
  display: inline-block;
  left: 50%;
  transform: translateX(-50%);
  text-transform: uppercase;
  letter-spacing: 1px;
}

h2.section-title::after {
  content: '';
  display: block;
  width: 60px;
  height: 4px;
  background: var(--accent);
  box-shadow: 0 0 15px var(--accent-glow);
  margin: 15px auto 0;
  border-radius: 2px;
}

a { text-decoration: none; color: inherit; transition: var(--transition); }

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

/* --- Header --- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--nav-height);
  background: rgba(15, 23, 42, 0.8);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
}

.header-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}

.brand {
  font-size: 1.5rem;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 8px;
}

.main-nav { display: flex; gap: 24px; align-items: center; }

.nav-link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-muted);
  padding: 8px 0;
  position: relative;
}

.nav-link:not(.btn-nav):hover, .nav-link.active { color: var(--accent); text-shadow: 0 0 8px var(--accent-glow); }

.btn-nav {
  background: rgba(99, 102, 241, 0.1);
  padding: 8px 20px;
  border-radius: 8px;
  border: 1px solid var(--primary);
  color: var(--primary) !important;
  transition: var(--transition);
}

.btn-nav:hover {
  background: var(--primary);
  color: white !important;
  box-shadow: 0 0 15px var(--primary-glow);
}

/* Mobile Menu Toggle */
.menu-toggle {
  display: none;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
  flex-direction: column;
  gap: 6px;
}
.menu-toggle .bar {
  width: 24px;
  height: 2px;
  background: var(--text-main);
  border-radius: 2px;
  transition: var(--transition);
}

/* --- Hero --- */
.section { padding: 80px 0; position: relative; z-index: 1; }
.hero-section { padding: 70px 0 80px; min-height: 85vh; display: flex; align-items: center; }

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 60px;
  align-items: center;
}

.badge {
  display: inline-block;
  padding: 6px 16px;
  background: rgba(34, 211, 238, 0.1);
  color: var(--accent);
  border: 1px solid rgba(34, 211, 238, 0.2);
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 20px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  box-shadow: 0 0 15px var(--accent-glow);
}

.gradient-text {
  font-size: 3rem;
  line-height: 1.1;
  margin-bottom: 20px;
  background: linear-gradient(135deg, #fff 0%, #94a3b8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

@media (max-width: 768px) {
  .cyber-glitch {
    font-size: 3.2rem; 
  }
  .gradient-text {
    font-size: 2rem;
  }
}

.lead {
  font-size: 1.2rem;
  color: var(--text-muted);
  margin-bottom: 30px;
  max-width: 480px;
}

.cta-row { display: flex; gap: 16px; margin-top: 30px; }

/* --- Buttons --- */
.btn {
  padding: 12px 28px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  display: inline-block;
}

.btn-primary {
  background: var(--primary);
  color: white;
  box-shadow: 0 4px 20px var(--primary-glow);
  border: 1px solid transparent;
}
.btn-primary:hover {
  background: #4f46e5;
  transform: translateY(-2px);
  box-shadow: 0 8px 25px var(--primary-glow);
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-main);
}
.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(34, 211, 238, 0.05);
}

/* --- Cards --- */
.card {
  background: var(--bg-glass);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  transition: var(--transition);
}
.card:hover {
  transform: translateY(-5px);
  border-color: var(--accent);
  box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.hero-card {
  background: linear-gradient(145deg, rgba(30,41,59,0.9), rgba(15,23,42,0.95));
  position: relative;
  overflow: hidden;
}
.hero-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
}
.card-icon { font-size: 3rem; margin-bottom: 16px; }
.hero-list { list-style: none; padding: 0; margin: 0; }
.hero-list li {
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  color: var(--text-muted);
  display: flex;
  align-items: center;
}
.hero-list li::before { content: '>'; color: var(--accent); margin-right: 10px; font-weight: bold; font-family: monospace; }

/* --- Venue Section --- */
.venue-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  background: var(--bg-glass);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px;
  align-items: center;
}

.venue-label {
  color: var(--accent);
  text-transform: uppercase;
  font-weight: 700;
  letter-spacing: 1px;
  font-size: 0.9rem;
  margin-bottom: 10px;
}

.venue-info h3 { font-size: 2rem; margin-bottom: 10px; color: #fff; }
.venue-address { font-size: 1.2rem; color: var(--text-muted); margin-bottom: 20px; }
.venue-note { margin-bottom: 30px; font-style: italic; color: var(--primary); }

.venue-features { display: flex; gap: 20px; flex-wrap: wrap; }
.venue-features span {
  background: rgba(255,255,255,0.05);
  padding: 8px 16px;
  border-radius: 20px;
  border: 1px solid var(--border);
  font-size: 0.9rem;
}

.venue-map-placeholder {
  background: #111;
  border-radius: 12px;
  height: 300px;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
  position: relative;
  overflow: hidden;
  background-image: repeating-linear-gradient(0deg, transparent, transparent 19px, rgba(0, 255, 0, 0.1) 20px),
                    repeating-linear-gradient(90deg, transparent, transparent 19px, rgba(0, 255, 0, 0.1) 20px);
}

.map-pin { font-size: 3rem; position: relative; z-index: 2; }
.pin-pulse {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 20px; height: 20px;
  background: var(--accent);
  border-radius: 50%;
  opacity: 0.5;
  animation: pulse 2s infinite;
  z-index: -1;
}
@keyframes pulse {
  0% { width: 0; height: 0; opacity: 0.8; }
  100% { width: 100px; height: 100px; opacity: 0; }
}
.map-text { margin-top: 10px; font-family: monospace; color: var(--accent); z-index: 2; }

/* --- Rules Grid (NEW) --- */
.rules-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}
.rule-card {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  position: relative;
  transition: var(--transition);
}
.rule-card:hover {
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--accent);
  transform: translateY(-5px);
}
.rule-number {
  position: absolute;
  top: 20px; right: 20px;
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--accent-glow);/**rgba(18, 131, 175, 0.699);**/
  font-family: 'Outfit', sans-serif;
}
.rule-card h3 { color: var(--accent); margin-bottom: 12px; font-size: 1.2rem; }
.rule-card p { color: var(--text-muted); font-size: 0.95rem; margin: 0; }


/* --- Countdown --- */
.countdown-box {
  margin: 20px 0;
  display: inline-block;
  background-color: #0d1117; /* Darker background for terminal look */
  border: 1px solid var(--accent); /* Accent border */
  padding: 15px 25px; /* More padding */
  border-radius: 6px; /* Slightly rounded corners */
  box-shadow: 0 0 10px rgba(34, 211, 238, 0.4); /* Subtle glow */
  font-family: 'monospace', 'Outfit', sans-serif; /* Monospaced font */
  letter-spacing: 1px; /* Increase letter spacing slightly */
  position: relative; /* Keep relative for potential future additions */
  overflow: hidden; /* Keep hidden if there's any overflow */
}
.countdown {
  font-family: 'monospace', 'Outfit', sans-serif; /* Monospaced font */
  font-size: 2.8rem; /* Slightly larger */
  font-weight: 700;
  color: var(--accent); /* Use accent color for text */
  font-variant-numeric: tabular-nums;
  text-shadow: 0 0 8px rgba(34, 211, 238, 0.8); /* Slightly less intense glow */
  text-rendering: optimizeSpeed; /* No anti-aliasing for pixelated look */
}
.count-label {
  font-family: 'monospace', 'Inter', sans-serif; /* Monospaced font */
  font-size: 0.95rem; /* Slightly larger */
  color: var(--text-muted); /* Keep muted color */
  text-transform: uppercase;
  letter-spacing: 2px; /* More letter spacing */
  margin-top: 5px; /* Add some space */
}

/* --- Schedule --- */
.schedule-wrapper {
  max-width: 800px;
  margin: 0 auto;
  background: var(--bg-glass);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  overflow: hidden;
}
.schedule-item {
  display: flex;
  padding: 20px;
  border-bottom: 1px solid var(--border);
  transition: background 0.2s;
}
.schedule-item:hover { background: rgba(255,255,255,0.03); }
.schedule-item:last-child { border-bottom: none; }
.schedule-item .time { width: 200px; font-weight: 600; color: var(--accent); flex-shrink: 0; font-family: monospace; font-size: 1.1rem; }
.schedule-item .event { color: var(--text-main); }
.schedule-item .event.highlight { color: #fbbf24; font-weight: 700; }

/* --- Layout Utilities --- */
.cta-box {
  text-align: center;
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px); 
  padding: 60px 20px;
  border-radius: 20px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 0 40px rgba(99, 102, 241, 0.15);
}

.cta-links { margin-top: 30px; display: flex; justify-content: center; gap: 16px; }

.site-footer {
  padding: 40px 0;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.9rem;
  border-top: 1px solid var(--border);
  background: #0f172a;
  position: relative;
  z-index: 1;
}

/* --- Animations --- */
.reveal { opacity: 0; transform: translateY(30px); transition: all 0.6s ease-out; }
.reveal.in-view { opacity: 1; transform: translateY(0); }

/* --- Responsive --- */
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; text-align: center; gap: 40px; }
  .hero-left { display: flex; flex-direction: column; align-items: center; }
  .gradient-text { font-size: 3rem; }
  
  .venue-wrapper { grid-template-columns: 1fr; text-align: center; }
  .venue-features { justify-content: center; }
  
  .menu-toggle { display: flex; }
  .main-nav {
    position: absolute;
    top: var(--nav-height);
    left: 0;
    width: 100%;
    background: var(--bg-body);
    flex-direction: column;
    padding: 20px;
    gap: 15px;
    border-bottom: 1px solid var(--border);
    transform: translateY(-150%);
    transition: transform 0.3s ease;
    z-index: 90;
    box-shadow: 0 20px 20px rgba(0,0,0,0.5);
  }
  .main-nav.nav-open { transform: translateY(0); }
  .main-nav a { display: block; padding: 12px; text-align: center; width: 100%; border-radius: 8px; }
  .main-nav a:hover { background: rgba(255,255,255,0.05); }
  
  .schedule-item { flex-direction: column; gap: 5px; }
  .schedule-item .time { width: 100%; opacity: 0.8; font-size: 0.9rem; }
}
/* Register Page Styles */
.register-card {
  max-width: 700px;
  margin: 0 auto;
  padding: 40px;
  border-radius: var(--radius);
  background: rgba(30, 41, 59, 0.5);
  border: 1px solid var(--border);
  box-shadow: 0 0 40px rgba(0,0,0,0.3);
}

.register-form .form-group {
  margin-bottom: 20px;
  display: flex;
  flex-direction: column;
}

.register-form label {
  margin-bottom: 6px;
  font-size: 0.95rem;
  color: var(--accent);
  font-weight: 600;
}

.register-form input {
  padding: 12px 14px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-main);
  font-size: 1rem;
  transition: var(--transition);
}

.register-form input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 10px var(--accent-glow);
  outline: none;
}

.form-section-title {
  margin-top: 35px;
  margin-bottom: 10px;
  color: var(--primary);
  font-family: 'Outfit';
  font-size: 1.3rem;
}

/* --- Premium Sponsors 1-2-2 Layout --- */
.sponsors-wrapper {
  max-width: 1000px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 40px; /* Vertical gap between rows */
}

.split-row {
  display: grid;
  grid-template-columns: 1fr 1fr; /* Equal split */
  gap: 40px; /* Horizontal gap */
}

/* --- Unified Card Style --- */
.sponsor-card {
  display: flex;
  align-items: stretch;
  background: linear-gradient(145deg, rgba(30, 41, 59, 0.6), rgba(15, 23, 42, 0.9));
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 24px;
  overflow: hidden;
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  backdrop-filter: blur(12px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
  height: 250px;
}

/* Hover Animation */
.sponsor-card:hover {
  transform: translateY(-10px); /* Lift up */
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
  background: linear-gradient(145deg, rgba(40, 50, 70, 0.7), rgba(20, 30, 50, 0.95));
}

/* Badge (Left Side Block) */
.tier-badge {
  width: 140px; /* Fixed width for badge */
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 20px;
  border-right: 1px solid rgba(255, 255, 255, 0.05);
  flex-shrink: 0; /* Prevent shrinking */
}

/* Content (Right Side Logo Area) */
.sponsor-content {
  flex-grow: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.sponsor-content h3 {
  margin: 0;
  font-size: 1.5rem;
  color: #fff;
  opacity: 0.9;
}

/* --- Tier Specific Colors --- */

/* 1. Title (Purple/Primary) */
.tier-title {
  border: 2px solid var(--primary); /* Thicker border */
  box-shadow: 0 0 40px rgba(99, 102, 241, 0.2);
  min-height: 280px; /* Title is slightly taller */
}
.tier-title .tier-badge {
  background: var(--primary);
  color: #fff;
}
.tier-title:hover {
  box-shadow: 0 0 60px rgba(99, 102, 241, 0.4);
}

/* 2. Platinum (Cyan) */
.tier-platinum { border-left: 6px solid var(--accent); }
.tier-platinum .tier-badge { background: rgba(34, 211, 238, 0.1); color: var(--accent); }
.tier-platinum:hover { box-shadow: 0 0 30px rgba(34, 211, 238, 0.15); }

/* 3. Gold (Yellow) */
.tier-gold { border-left: 6px solid #ffd700; }
.tier-gold .tier-badge { background: rgba(255, 215, 0, 0.1); color: #ffd700; }
.tier-gold:hover { box-shadow: 0 0 30px rgba(255, 215, 0, 0.15); }

/* 4. Silver (Grey) */
.tier-silver { border-left: 6px solid #c0c0c0; }
.tier-silver .tier-badge { background: rgba(192, 192, 192, 0.1); color: #e0e0e0; }

/* 5. Associate (Slate) */
.tier-associate { border-left: 6px solid #64748b; }
.tier-associate .tier-badge { background: rgba(100, 116, 139, 0.1); color: #94a3b8; }

/* --- Mobile Adjustments --- */
@media (max-width: 768px) {
  .split-row {
    grid-template-columns: 1fr; /* Stack vertically on mobile */
    gap: 30px;
  }
  
  .sponsor-card {
    flex-direction: column; /* Badge on Top, Logo below */
    min-height: auto; 
    text-align: center;
  }

  .tier-badge {
    width: 100%; /* Full width badge */
    height: 50px;
    border-right: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }
  
  .sponsor-content { padding: 40px 20px; }
}

@media (min-width: 769px) {
  .site-header,
  .card,
  .sponsor-card {
    backdrop-filter: blur(12px);
  }
}

#snow-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  pointer-events: none;
}

/* Curtain effect */
#curtain-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 9999;
  overflow: hidden;
  pointer-events: none; /* Allow clicks to pass through */
}

.curtain-panel {
  position: absolute;
  top: 0;
  width: 50%;
  height: 100%;
  background-color: #000000; /* Black color for the curtain */
  transition: transform 2s ease-in-out; /* Slower, more dramatic transition */
}

.curtain-panel.left {
  left: 0;
  transform: translateX(0);
}

.curtain-panel.right {
  right: 0;
  transform: translateX(0);
}

#curtain-overlay.open .curtain-panel.left {
  transform: translateX(-100%);
}

#curtain-overlay.open .curtain-panel.right {
  transform: translateX(100%);
}

.sponsor-content {
  flex-grow: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0px;
  height: 100%;
  width: 100%;
  overflow: hidden;
}

.sponsor-title-logo{
  width:200%;
  height:100%;
  object-fit: contain;
}
.sponsor-logo {
  max-height: 80%;
  max-width: 90%;
  width: auto;
  height: auto;
  object-fit: contain;
}

input[type="file"] {
  padding: 12px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: #a0a0a0;
  cursor: pointer;
  height: auto; 
}

input[type="file"]::file-selector-button {
  background: var(--primary);
  border: none;
  color: white;
  padding: 8px 16px;
  margin-right: 15px;
  border-radius: 6px;
  cursor: pointer;
  font-family: 'Outfit', sans-serif;
  font-weight: 600;
  transition: background 0.3s;
}

input[type="file"]::file-selector-button:hover {
  background: var(--accent);
  color: #000;
}

.mission-big-logo {
  max-width: 5px; /* Adjust size of main logo */
  width: 100%;
  height: auto;
  margin-bottom: 30px;
  filter: drop-shadow(0 0 20px rgba(99, 102, 241, 0.3)); /* Optional glow */
}

.mission-content p {
  max-width: 600px;
  margin: 0 auto 40px auto;
  font-size: 1.1rem;
  line-height: 1.6;
  color: #cbd5e1;
}

.mission-partners {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  margin-top: 20px;
}

.partner-logo {
  height: 60px; /* Adjust height of partner logos */
  width: auto;
  opacity: 0.9;
  transition: opacity 0.3s;
}

.partner-logo:hover {
  opacity: 1;
}

.partner-x {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary); /* Uses your theme cyan/blue color */
  opacity: 0.7;
}