/* style.css */

/* ==========================================
   1. Design System & CSS Variables
   ========================================== */
:root {
  --font-primary: 'Pretendard', sans-serif;
  --font-accent: 'Orbitron', 'Montserrat', sans-serif;

  /* Color Palette */
  --bg-dark: #0a0b10;
  --bg-card: rgba(20, 22, 37, 0.6);
  --bg-input: rgba(13, 15, 28, 0.8);
  
  --color-primary: #8b5cf6; /* Neon Violet */
  --color-secondary: #ec4899; /* Neon Pink */
  --color-cyan: #06b6d4; /* Neon Cyan */
  --color-gold: #f59e0b; /* Accent Gold */
  
  --text-white: #ffffff;
  --text-gray: #94a3b8;
  --text-muted: #64748b;
  
  /* Neon Glow Effects */
  --glow-violet: 0 0 15px rgba(139, 92, 246, 0.6), 0 0 30px rgba(139, 92, 246, 0.3);
  --glow-pink: 0 0 15px rgba(236, 72, 153, 0.6), 0 0 30px rgba(236, 72, 153, 0.3);
  --glow-cyan: 0 0 15px rgba(6, 182, 212, 0.6), 0 0 30px rgba(6, 182, 212, 0.3);
  --glow-gold: 0 0 15px rgba(245, 158, 11, 0.6), 0 0 30px rgba(245, 158, 11, 0.3);

  /* Transitions */
  --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: all 0.2s ease;
}

/* ==========================================
   2. Reset & Base Styles
   ========================================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg-dark);
  color: var(--text-white);
  font-family: var(--font-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

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

ul {
  list-style: none;
}

img {
  max-width: 100%;
  display: block;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-dark);
}
::-webkit-scrollbar-thumb {
  background: linear-gradient(to bottom, var(--color-primary), var(--color-secondary));
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--color-cyan);
}

/* ==========================================
   3. Common Layout & Components
   ========================================== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.small-container {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 24px;
}

section {
  padding: 100px 0;
  position: relative;
}

/* Section Headers */
.section-header {
  text-align: center;
  margin-bottom: 60px;
  position: relative;
  z-index: 2;
}

.section-header .sub-title {
  font-family: var(--font-accent);
  font-size: 14px;
  letter-spacing: 4px;
  color: var(--color-cyan);
  text-transform: uppercase;
  display: block;
  margin-bottom: 12px;
  font-weight: 700;
}

.section-header .section-title {
  font-size: 40px;
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 16px;
}

.section-header .section-desc {
  font-size: 16px;
  color: var(--text-gray);
  max-width: 600px;
  margin: 0 auto;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: 50px;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition-smooth);
  border: 2px solid transparent;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  color: var(--text-white);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: var(--glow-violet);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.15);
  color: var(--text-white);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--color-cyan);
  transform: translateY(-3px);
  box-shadow: var(--glow-cyan);
}

.btn-block {
  width: 100%;
}

.btn-glow {
  position: relative;
}

.btn-glow::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: inherit;
  border-radius: inherit;
  z-index: -1;
  filter: blur(15px);
  opacity: 0;
  transition: var(--transition-smooth);
}

.btn-glow:hover::after {
  opacity: 0.8;
}

/* Neon Text Helpers */
.neon-text {
  color: transparent;
  background: linear-gradient(135deg, #a78bfa, #f472b6);
  -webkit-background-clip: text;
  background-clip: text;
  text-shadow: 0 0 30px rgba(236, 72, 153, 0.2);
}

.neon-text-cyan {
  color: #22d3ee;
  text-shadow: var(--glow-cyan);
}

.neon-text-magenta {
  color: #f472b6;
  text-shadow: var(--glow-pink);
}

.neon-text-violet {
  color: #a78bfa;
  text-shadow: var(--glow-violet);
}

/* ==========================================
   4. Header & Navigation (Glassmorphism)
   ========================================== */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  transition: var(--transition-smooth);
}

header.scrolled {
  background: rgba(10, 11, 16, 0.8);
  backdrop-filter: blur(15px);
  -webkit-backdrop-filter: blur(15px);
  padding: 12px 0;
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: var(--transition-smooth);
}

header.scrolled .header-container {
  padding: 8px 24px;
}

.logo {
  font-family: var(--font-accent);
  font-size: 24px;
  font-weight: 900;
  letter-spacing: 1px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.logo span {
  color: var(--color-primary);
}

.logo-icon {
  color: var(--color-cyan);
  text-shadow: var(--glow-cyan);
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-link {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-gray);
  position: relative;
  padding: 6px 0;
}

.nav-link:hover, .nav-link.active {
  color: var(--text-white);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
  transition: var(--transition-fast);
}

.nav-link:hover::after, .nav-link.active::after {
  width: 100%;
}

.nav-cta {
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  color: var(--text-white) !important;
  padding: 10px 24px !important;
  border-radius: 30px;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: var(--glow-violet);
}

.nav-cta::after {
  display: none;
}

/* Mobile Hamburg Menu Button */
.mobile-toggle-btn {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 24px;
  height: 18px;
  background: transparent;
  border: none;
  cursor: pointer;
  z-index: 1010;
}

.mobile-toggle-btn .bar {
  width: 100%;
  height: 2px;
  background-color: var(--text-white);
  transition: var(--transition-fast);
}

/* Mobile toggle active style */
.mobile-toggle-btn.open .bar:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.mobile-toggle-btn.open .bar:nth-child(2) {
  opacity: 0;
}

.mobile-toggle-btn.open .bar:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* ==========================================
   5. Hero Section
   ========================================== */
.hero-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding-top: 140px;
  padding-bottom: 80px;
}

/* Decorative background glowing light points */
.bg-glow {
  position: absolute;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.15;
  pointer-events: none;
  z-index: 0;
  animation: pulse-glow 8s infinite alternate;
}

.bg-glow-1 {
  background: var(--color-primary);
  top: 10%;
  left: 10%;
}

.bg-glow-2 {
  background: var(--color-secondary);
  bottom: 10%;
  right: 10%;
}

@keyframes pulse-glow {
  0% { transform: scale(1) translate(0, 0); opacity: 0.15; }
  100% { transform: scale(1.2) translate(20px, -20px); opacity: 0.25; }
}

.hero-container {
  position: relative;
  z-index: 1;
  max-width: 900px;
  padding: 0 24px;
}

.hero-tag {
  font-family: var(--font-accent);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 5px;
  color: var(--color-cyan);
  margin-bottom: 24px;
  text-shadow: var(--glow-cyan);
}

.hero-title {
  font-family: var(--font-accent);
  font-size: 80px;
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -2px;
  margin-bottom: 20px;
}

.hero-subtitle {
  font-size: 22px;
  color: var(--text-gray);
  margin-bottom: 36px;
  font-weight: 500;
}

.hero-info {
  display: inline-flex;
  align-items: center;
  gap: 20px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  padding: 12px 28px;
  border-radius: 50px;
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 48px;
  backdrop-filter: blur(5px);
}

.hero-info i {
  color: var(--color-secondary);
  margin-right: 6px;
}

.info-divider {
  color: rgba(255, 255, 255, 0.15);
}

/* D-Day Countdown Card */
.countdown-container {
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 24px;
  padding: 30px 40px;
  margin-bottom: 48px;
  backdrop-filter: blur(10px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.countdown-title {
  font-family: var(--font-accent);
  font-size: 12px;
  letter-spacing: 3px;
  color: var(--text-gray);
  margin-bottom: 20px;
  font-weight: 700;
}

.countdown-timer {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 16px;
}

.time-box {
  min-width: 90px;
}

.time-num {
  font-family: var(--font-accent);
  font-size: 48px;
  font-weight: 900;
  line-height: 1;
  display: block;
  background: linear-gradient(to bottom, #fff, #94a3b8);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: 8px;
}

.time-label {
  font-size: 11px;
  letter-spacing: 1.5px;
  color: var(--text-muted);
  font-weight: 700;
}

.time-separator {
  font-family: var(--font-accent);
  font-size: 36px;
  font-weight: 900;
  color: var(--color-primary);
  animation: blink 1s infinite;
  transform: translateY(-8px);
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.2; }
}

.hero-cta {
  display: flex;
  justify-content: center;
  gap: 20px;
}

/* Mouse Scroll Down Indicator */
.scroll-indicator {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  z-index: 10;
}

.scroll-indicator .mouse {
  width: 24px;
  height: 40px;
  border: 2px solid var(--text-muted);
  border-radius: 20px;
  position: relative;
}

.scroll-indicator .wheel {
  width: 4px;
  height: 8px;
  background-color: var(--color-cyan);
  border-radius: 2px;
  position: absolute;
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
  animation: scroll-wheel 1.6s infinite;
}

.scroll-indicator .text {
  font-size: 11px;
  letter-spacing: 2px;
  color: var(--text-muted);
  text-transform: uppercase;
  font-weight: 600;
}

@keyframes scroll-wheel {
  0% { transform: translate(-50%, 0); opacity: 0; }
  30% { opacity: 1; }
  100% { transform: translate(-50%, 12px); opacity: 0; }
}

/* ==========================================
   6. Lineup Section (Grid Layout)
   ========================================== */
.lineup-section {
  background: radial-gradient(circle at center, rgba(20, 22, 37, 0.3) 0%, var(--bg-dark) 100%);
}

.grid-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
}

.lineup-card {
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 24px;
  padding: 40px 30px;
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(10px);
}

.lineup-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(255,255,255,0.05), transparent);
  pointer-events: none;
}

.lineup-card:hover {
  transform: translateY(-10px) scale(1.02);
  background: rgba(25, 28, 48, 0.8);
  border-color: rgba(255, 255, 255, 0.15);
}

.card-icon {
  width: 60px;
  height: 60px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: 28px;
  transition: var(--transition-smooth);
}

/* Card Glow Themes */
.card-icon.cyan {
  background: rgba(6, 182, 212, 0.1);
  color: var(--color-cyan);
  border: 1px solid rgba(6, 182, 212, 0.2);
}
.lineup-card:hover .card-icon.cyan {
  background: var(--color-cyan);
  color: var(--bg-dark);
  box-shadow: var(--glow-cyan);
}
.lineup-card:hover {
  box-shadow: 0 20px 40px rgba(6, 182, 212, 0.05);
}

.card-icon.magenta {
  background: rgba(236, 72, 153, 0.1);
  color: var(--color-secondary);
  border: 1px solid rgba(236, 72, 153, 0.2);
}
.lineup-card:hover .card-icon.magenta {
  background: var(--color-secondary);
  color: var(--bg-dark);
  box-shadow: var(--glow-pink);
}

.card-icon.violet {
  background: rgba(139, 92, 246, 0.1);
  color: var(--color-primary);
  border: 1px solid rgba(139, 92, 246, 0.2);
}
.lineup-card:hover .card-icon.violet {
  background: var(--color-primary);
  color: var(--bg-dark);
  box-shadow: var(--glow-violet);
}

.card-icon.gold {
  background: rgba(245, 158, 11, 0.1);
  color: var(--color-gold);
  border: 1px solid rgba(245, 158, 11, 0.2);
}
.lineup-card:hover .card-icon.gold {
  background: var(--color-gold);
  color: var(--bg-dark);
  box-shadow: var(--glow-gold);
}

.card-title {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 14px;
}

.card-desc {
  font-size: 15px;
  color: var(--text-gray);
  line-height: 1.6;
  margin-bottom: 24px;
}

.card-badge {
  display: inline-block;
  font-family: var(--font-accent);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1px;
  padding: 6px 12px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 6px;
  color: var(--text-white);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

/* ==========================================
   7. Timetable Section (Timeline)
   ========================================== */
.timeline {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
  padding: 20px 0;
}

.timeline-bar {
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--color-cyan), var(--color-primary), var(--color-secondary));
  transform: translateX(-50%);
  z-index: 1;
}

.timeline-item {
  display: flex;
  margin-bottom: 60px;
  position: relative;
  z-index: 2;
  width: 100%;
}

.timeline-item:nth-child(even) {
  flex-direction: row-reverse;
}

.timeline-dot {
  position: absolute;
  left: 50%;
  top: 24px;
  width: 16px;
  height: 16px;
  background-color: var(--bg-dark);
  border: 3px solid var(--color-cyan);
  border-radius: 50%;
  transform: translateX(-50%);
  transition: var(--transition-smooth);
}

.timeline-item:nth-child(3) .timeline-dot {
  border-color: var(--color-primary);
}

.timeline-item:nth-child(4) .timeline-dot {
  border-color: var(--color-secondary);
}

.timeline-item:nth-child(5) .timeline-dot {
  border-color: var(--color-gold);
}

.timeline-item:hover .timeline-dot {
  transform: translateX(-50%) scale(1.4);
  background-color: var(--text-white);
  box-shadow: 0 0 15px rgba(255, 255, 255, 0.8);
}

.timeline-time {
  width: 50%;
  padding: 16px 40px;
  text-align: right;
  font-family: var(--font-accent);
  font-size: 20px;
  font-weight: 700;
  color: var(--color-cyan);
}

.timeline-item:nth-child(even) .timeline-time {
  text-align: left;
}

.timeline-content {
  width: 50%;
  padding: 0 40px;
}

.timeline-title {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 8px;
}

.timeline-desc {
  font-size: 15px;
  color: var(--text-gray);
}

/* Highlight Items Style */
.timeline-item.highlight .timeline-time {
  color: var(--color-secondary);
}

.timeline-item.highlight .timeline-title {
  color: var(--text-white);
  background: linear-gradient(90deg, var(--color-secondary), transparent);
  -webkit-background-clip: text;
  background-clip: text;
}

/* ==========================================
   8. Location Section
   ========================================== */
.location-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 40px;
  align-items: center;
}

/* Mock Map UI design */
.map-container {
  height: 380px;
  width: 100%;
}

.map-mock {
  position: relative;
  width: 100%;
  height: 100%;
  background-color: #121422;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 24px;
  overflow: hidden;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.map-bg {
  position: absolute;
  width: 100%;
  height: 100%;
  /* Styled roads map background using CSS grid pattern to look futuristic */
  background-image: 
    radial-gradient(circle at 30% 40%, rgba(139, 92, 246, 0.1) 0%, transparent 60%),
    linear-gradient(rgba(255, 255, 255, 0.02) 2px, transparent 2px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 2px, transparent 2px);
  background-size: 100% 100%, 40px 40px, 40px 40px;
}

.map-route {
  position: absolute;
  top: 50%;
  left: 20%;
  width: 40%;
  height: 4px;
  background: linear-gradient(90deg, transparent, var(--color-cyan));
  transform: rotate(25deg);
  filter: drop-shadow(var(--glow-cyan));
}

.map-marker {
  position: absolute;
  top: 55%;
  left: 58%;
  color: var(--color-secondary);
  font-size: 32px;
  animation: bounce 2s infinite;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.marker-label {
  font-family: var(--font-primary);
  font-size: 11px;
  font-weight: 700;
  background: var(--bg-dark);
  color: var(--text-white);
  padding: 4px 8px;
  border-radius: 4px;
  border: 1px solid var(--color-secondary);
  white-space: nowrap;
  margin-top: 4px;
}

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.map-ui-overlay {
  position: absolute;
  top: 20px;
  left: 20px;
}

.map-ui-card {
  background: rgba(10, 11, 16, 0.85);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 14px 20px;
  border-radius: 12px;
}

.map-ui-card h4 {
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 2px;
  color: var(--text-white);
}

.map-ui-card p {
  font-size: 12px;
  color: var(--text-gray);
}

/* Transport details card */
.transport-info {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.info-card {
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 16px;
  padding: 24px;
  backdrop-filter: blur(5px);
}

.info-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.info-card h3 i {
  color: var(--color-cyan);
}

.address-text {
  font-size: 15px;
  color: var(--text-gray);
  line-height: 1.6;
}

.address-text strong {
  color: var(--text-white);
}

.transport-list li {
  font-size: 14px;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.transport-list li:last-child {
  margin-bottom: 0;
}

.badge {
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 700;
}

.badge-subway {
  background: rgba(245, 158, 11, 0.15);
  color: var(--color-gold);
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.badge-bus {
  background: rgba(6, 182, 212, 0.15);
  color: var(--color-cyan);
  border: 1px solid rgba(6, 182, 212, 0.3);
}

.info-card-actions {
  display: flex;
  gap: 12px;
}

.info-card-actions .btn {
  flex: 1;
  font-size: 13px;
  padding: 12px 0;
}

/* ==========================================
   9. Register Section (Forms)
   ========================================== */
.register-section {
  position: relative;
  overflow: hidden;
  background: radial-gradient(circle at center, rgba(139, 92, 246, 0.05) 0%, var(--bg-dark) 100%);
}

.bg-grid-pattern {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    linear-gradient(rgba(255, 255, 255, 0.015) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.015) 1px, transparent 1px);
  background-size: 30px 30px;
  pointer-events: none;
}

.register-form {
  position: relative;
  z-index: 2;
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 24px;
  padding: 40px;
  backdrop-filter: blur(10px);
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.4);
}

.form-row-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-group {
  margin-bottom: 24px;
}

.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text-gray);
}

.form-group label .required {
  color: var(--color-secondary);
}

.form-group input,
.form-group select {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 14px 20px;
  border-radius: 12px;
  font-family: inherit;
  font-size: 15px;
  color: var(--text-white);
  outline: none;
  transition: var(--transition-fast);
}

.form-group input::placeholder {
  color: var(--text-muted);
}

.form-group input:focus,
.form-group select:focus {
  border-color: var(--color-primary);
  box-shadow: var(--glow-violet);
  background: rgba(20, 22, 37, 0.9);
}

/* Styled checkbox group */
.checkbox-group {
  display: flex;
  align-items: center;
  gap: 10px;
}

.checkbox-group input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--color-primary);
  cursor: pointer;
}

.checkbox-group label {
  margin-bottom: 0;
  font-size: 13px;
  cursor: pointer;
}

/* ==========================================
   10. Footer Section
   ========================================== */
footer {
  background-color: #05060a;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding: 60px 0 30px;
}

.footer-container {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 40px;
}

.footer-logo {
  font-family: var(--font-accent);
  font-size: 26px;
  font-weight: 900;
  display: inline-block;
  margin-bottom: 12px;
}

.footer-logo span {
  color: var(--color-primary);
}

.footer-desc {
  font-size: 14px;
  color: var(--text-gray);
  margin-bottom: 8px;
}

.footer-address {
  font-size: 13px;
  color: var(--text-muted);
}

.footer-links h3 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 16px;
  letter-spacing: 1px;
}

.social-icons {
  display: flex;
  gap: 16px;
}

.social-icons a {
  width: 44px;
  height: 44px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: var(--text-gray);
  transition: var(--transition-fast);
}

.social-icons a:hover {
  background: var(--color-primary);
  color: var(--text-white);
  box-shadow: var(--glow-violet);
  transform: translateY(-3px);
}

.footer-bottom {
  text-align: center;
  border-top: 1px solid rgba(255, 255, 255, 0.03);
  padding-top: 30px;
  font-size: 12px;
  color: var(--text-muted);
}

/* ==========================================
   11. Animations & Scroll Reveal Effects
   ========================================== */
.animate-fade {
  opacity: 0;
  transform: translateY(20px);
  animation: fade-up 1s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.hero-tag { animation-delay: 0.1s; }
.hero-title { animation-delay: 0.2s; }
.hero-subtitle { animation-delay: 0.3s; }
.hero-info { animation-delay: 0.4s; }
.countdown-container { animation-delay: 0.5s; }
.hero-cta { animation-delay: 0.6s; }

@keyframes fade-up {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Scroll reveal items */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.reveal-active {
  opacity: 1;
  transform: translateY(0);
}

/* ==========================================
   12. Toast Notification
   ========================================== */
.toast {
  position: fixed;
  bottom: -80px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(10, 11, 16, 0.9);
  border: 1px solid var(--color-cyan);
  box-shadow: var(--glow-cyan);
  border-radius: 12px;
  padding: 16px 28px;
  z-index: 2000;
  transition: bottom 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  backdrop-filter: blur(10px);
}

.toast.show {
  bottom: 40px;
}

.toast-content {
  display: flex;
  align-items: center;
  gap: 12px;
}

.toast-content i {
  color: var(--color-cyan);
  font-size: 18px;
}

.toast-content span {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-white);
}

/* ==========================================
   13. Responsive Media Queries
   ========================================== */

/* Tablet & PC Medium Screen */
@media (max-width: 992px) {
  .hero-title {
    font-size: 64px;
  }
  
  .location-grid {
    grid-template-columns: 1fr;
  }
  
  .map-container {
    height: 300px;
  }
}

/* Mobile Screen */
@media (max-width: 768px) {
  section {
    padding: 80px 0;
  }

  .section-header .section-title {
    font-size: 32px;
  }

  /* Nav Menu Mobile styles */
  .mobile-toggle-btn {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: rgba(10, 11, 16, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-left: 1px solid rgba(255, 255, 255, 0.05);
    z-index: 1005;
    padding: 100px 40px;
    transition: var(--transition-smooth);
  }

  .nav-menu.open {
    right: 0;
  }

  .nav-list {
    flex-direction: column;
    align-items: flex-start;
    gap: 30px;
  }

  .nav-link {
    font-size: 18px;
  }

  .nav-cta {
    width: 100%;
    text-align: center;
  }

  /* Hero Section Mobile */
  .hero-section {
    padding-top: 100px;
  }

  .hero-title {
    font-size: 44px;
  }

  .hero-subtitle {
    font-size: 16px;
    margin-bottom: 24px;
  }

  .hero-info {
    flex-direction: column;
    gap: 8px;
    padding: 12px 20px;
    border-radius: 16px;
    margin-bottom: 30px;
    width: 100%;
  }

  .info-divider {
    display: none;
  }

  .countdown-container {
    padding: 20px;
    border-radius: 16px;
    margin-bottom: 30px;
  }

  .countdown-timer {
    gap: 8px;
  }

  .time-box {
    min-width: 60px;
  }

  .time-num {
    font-size: 28px;
  }

  .time-separator {
    font-size: 20px;
  }

  .hero-cta {
    flex-direction: column;
    gap: 12px;
  }

  .hero-cta .btn {
    width: 100%;
  }

  /* Timeline Mobile */
  .timeline-bar {
    left: 20px;
  }

  .timeline-item {
    flex-direction: column !important;
    margin-bottom: 40px;
  }

  .timeline-dot {
    left: 20px;
    top: 6px;
  }

  .timeline-time {
    width: 100%;
    text-align: left !important;
    padding: 0 0 8px 40px;
    font-size: 16px;
  }

  .timeline-content {
    width: 100%;
    padding: 0 0 0 40px;
  }

  .timeline-title {
    font-size: 18px;
  }

  /* Register form Mobile */
  .register-form {
    padding: 24px;
  }

  .form-row-2 {
    grid-template-columns: 1fr;
    gap: 0;
  }

  /* Footer Mobile */
  .footer-container {
    flex-direction: column;
    gap: 30px;
  }
}