/* =====================================================
   AVATAAR Hackathon - Complete Stylesheet (Final Fix)
   ===================================================== */

/* ==================== FONTS ==================== */
@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;500;600;700;800;900&family=Inter:wght@300;400;500;600;700&display=swap');

/* ==================== CSS VARIABLES ==================== */
:root {
  /* Colors (HSL values) */
  --background: 220 20% 4%;
  --foreground: 210 40% 98%;
  --card: 220 20% 8%;
  --card-foreground: 210 40% 98%;
  --primary: 187 100% 50%;
  --primary-foreground: 220 20% 4%;
  --secondary: 262 83% 58%;
  --secondary-foreground: 210 40% 98%;
  --muted: 220 20% 15%;
  --muted-foreground: 215 20% 65%;
  --border: 220 20% 18%;
  --radius: 0.75rem;
  
  /* Neon colors */
  --neon-cyan: 187 100% 50%;
  --neon-purple: 262 83% 58%;
  --neon-green: 142 76% 50%;
}

/* ==================== BASE STYLES ==================== */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', sans-serif;
  background-color: hsl(var(--background));
  color: hsl(var(--foreground));
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Orbitron', sans-serif;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: inherit;
  border: none;
  background: none;
  cursor: pointer;
}

img {
  max-width: 100%;
  height: auto;
}

/* ==================== UTILITY CLASSES ==================== */
/* FIX APPLIED HERE: Added position relative and z-index to ensure text sits ABOVE backgrounds */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1rem;
  position: relative; 
  z-index: 10;
}

.hidden {
  display: none !important;
}

/* Neon text effects */
.neon-text {
  color: hsl(var(--primary));
  text-shadow: 
    0 0 10px hsl(var(--primary) / 0.8),
    0 0 20px hsl(var(--primary) / 0.6),
    0 0 30px hsl(var(--primary) / 0.4);
}

.neon-text-purple {
  color: hsl(var(--secondary));
  text-shadow: 
    0 0 10px hsl(var(--secondary) / 0.8),
    0 0 20px hsl(var(--secondary) / 0.6),
    0 0 30px hsl(var(--secondary) / 0.4);
}

/* Glass card effect */
.glass-card {
  background: hsl(var(--card) / 0.95);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid hsl(var(--border) / 0.5);
}

/* Tech grid background */
.tech-grid-bg {
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(hsl(var(--primary) / 0.03) 1px, transparent 1px),
    linear-gradient(90deg, hsl(var(--primary) / 0.03) 1px, transparent 1px);
  background-size: 50px 50px;
  z-index: 0; /* Ensures grid stays behind text */
}

/* ==================== ANIMATIONS ==================== */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

@keyframes gradientShift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-fade-in {
  animation: fadeIn 0.6s ease-out forwards;
  opacity: 0;
}

.delay-100 { animation-delay: 0.1s; }
.delay-200 { animation-delay: 0.2s; }
.delay-300 { animation-delay: 0.3s; }
.delay-400 { animation-delay: 0.4s; }
.delay-500 { animation-delay: 0.5s; }

/* Section reveal animation */
.section-animate {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.section-animate.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ==================== BUTTONS ==================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.625rem 1.25rem;
  border-radius: var(--radius);
  font-weight: 500;
  font-size: 0.875rem;
  transition: all 0.3s ease;
  white-space: nowrap;
}

.btn-neon {
  background: linear-gradient(135deg, hsl(var(--primary)), hsl(var(--secondary)));
  color: hsl(var(--primary-foreground));
  box-shadow: 0 0 20px hsl(var(--primary) / 0.5), 0 0 40px hsl(var(--primary) / 0.3);
  font-family: 'Orbitron', sans-serif;
  font-weight: 600;
}

.btn-neon:hover {
  box-shadow: 0 0 30px hsl(var(--primary) / 0.7), 0 0 60px hsl(var(--primary) / 0.5);
  transform: translateY(-2px);
}

.btn-outline {
  border: 1px solid hsl(var(--border));
  color: hsl(var(--foreground));
  background: transparent;
}

.btn-outline:hover {
  background: hsl(var(--muted));
  border-color: hsl(var(--primary) / 0.5);
}

.btn-lg {
  padding: 0.875rem 1.75rem;
  font-size: 1rem;
}

.btn-xl {
  padding: 1.25rem 3rem;
  font-size: 1.125rem;
}

/* ==================== HEADER / NAVIGATION ==================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  transition: all 0.3s ease;
  background: transparent;
}

.header.scrolled {
  background: hsl(var(--background) / 0.95);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid hsl(var(--border) / 0.5);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 5rem;
}

.logo-btn {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  transition: transform 0.3s ease;
}

.logo-btn:hover {
  transform: scale(1.05);
}

.logo-img {
  height: 3rem;
  width: 3rem;
  object-fit: contain;
}

.logo-text {
  font-family: 'Orbitron', sans-serif;
  font-size: 1.25rem;
  font-weight: 700;
  display: none;
}

@media (min-width: 640px) {
  .logo-text {
    display: block;
  }
}

.nav-links {
  display: none;
  align-items: center;
  gap: 0.25rem;
}

@media (min-width: 1024px) {
  .nav-links {
    display: flex;
  }
}

.nav-link {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: hsl(var(--muted-foreground));
  transition: color 0.3s ease;
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: hsl(var(--primary));
  transition: width 0.3s ease;
}

.nav-link:hover {
  color: hsl(var(--primary));
}

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

.nav-register {
  display: none;
}

@media (min-width: 1024px) {
  .nav-register {
    display: block;
  }
}

.mobile-menu-toggle {
  display: block;
  padding: 0.5rem;
  color: hsl(var(--foreground));
  transition: color 0.3s ease;
}

.mobile-menu-toggle:hover {
  color: hsl(var(--primary));
}

@media (min-width: 1024px) {
  .mobile-menu-toggle {
    display: none;
  }
}

/* Mobile Menu */
.mobile-menu {
  position: absolute;
  top: 5rem;
  left: 0;
  right: 0;
  background: hsl(var(--background) / 0.98);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid hsl(var(--border) / 0.5);
  opacity: 0;
  transform: translateY(-1rem);
  pointer-events: none;
  transition: all 0.3s ease;
  padding: 1.5rem 0;
  z-index: 100;
}

.mobile-menu.open {
  opacity: 1;
  pointer-events: auto;
}
.mobile-menu .container {
    padding-top: 80px;
    width: 100%;
}

@media (min-width: 1024px) {
  .mobile-menu {
    display: none;
  }
}

.mobile-nav-link {
  display: block;
  width: 100%;
  padding: 0.75rem 1rem;
  text-align: left;
  color: hsl(var(--muted-foreground));
  border-radius: 0.5rem;
  transition: all 0.3s ease;
}

.mobile-nav-link:hover {
  color: hsl(var(--primary));
  background: hsl(var(--muted) / 0.5);
}

.mobile-register-btn {
  margin-top: 1rem;
  width: 100%;
}

/* ==================== HERO SECTION ==================== */
.hero-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding-top: 260px;
}

.hero-bg-gradient {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, hsl(var(--background)), hsl(var(--background)), hsl(var(--muted) / 0.05));
  z-index: 0;
}

.hero-bg-radial {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at center, hsl(var(--primary) / 0.03), transparent, transparent);
  z-index: 0;
}

.particle-canvas {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 1;
}

.glow-orb {
  position: absolute;
  width: 24rem;
  height: 24rem;
  border-radius: 50%;
  filter: blur(120px);
  animation: pulse 4s ease-in-out infinite;
  z-index: 0;
}

.glow-orb-1 {
  top: 25%;
  left: 25%;
  background: hsl(var(--primary) / 0.1);
}

.glow-orb-2 {
  bottom: 25%;
  right: 25%;
  background: hsl(var(--secondary) / 0.1);
  animation-delay: 1s;
}

.hero-content {
  position: relative;
  z-index: 10;
  text-align: center;
}

.hero-inner {
  max-width: 56rem;
  margin: 0 auto;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  border-radius: 9999px;
  background: hsl(var(--primary) / 0.1);
  border: 1px solid hsl(var(--primary) / 0.3);
  margin-bottom: 2rem;
  margin-top: 3rem;
}

.hero-badge .sparkles-icon {
  width: 1rem;
  height: 1rem;
  color: hsl(var(--primary));
}

.hero-badge span {
  font-size: 0.875rem;
  font-weight: 500;
  color: hsl(var(--primary));
}

.hero-title {
  font-size: 3rem;
  font-weight: 900;
  margin-bottom: 1.5rem;
  line-height: 1.1;
}

@media (min-width: 768px) {
  .hero-title {
    font-size: 4.5rem;
  }
}

@media (min-width: 1024px) {
  .hero-title {
    font-size: 6rem;
  }
}

.hero-tagline {
  font-size: 1.25rem;
  color: hsl(var(--muted-foreground));
  margin-bottom: 1rem;
}

@media (min-width: 768px) {
  .hero-tagline {
    font-size: 1.5rem;
  }
}

.hero-details {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  color: hsl(var(--muted-foreground));
  margin-bottom: 2rem;
}

.detail-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.detail-dot {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: hsl(var(--primary));
  animation: pulse 2s ease-in-out infinite;
}

.detail-separator {
  display: none;
  color: hsl(var(--border));
}

@media (min-width: 640px) {
  .detail-separator {
    display: inline;
  }
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 4rem;
}

/* Countdown Timer */
.countdown-wrapper {
  margin-top: 2rem;
}

.countdown-label {
  font-size: 0.875rem;
  color: hsl(var(--muted-foreground));
  margin-bottom: 1rem;
  font-family: 'Orbitron', sans-serif;
  letter-spacing: 0.1em;
}

.countdown-timer {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

@media (min-width: 640px) {
  .countdown-timer {
    gap: 1rem;
  }
}

.countdown-unit {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.countdown-glow {
  position: absolute;
  inset: 0;
  background: hsl(var(--primary) / 0.2);
  filter: blur(24px);
  border-radius: 0.5rem;
}

.countdown-box {
  position: relative;
  background: hsl(var(--card) / 0.95);
  backdrop-filter: blur(24px);
  border: 1px solid hsl(var(--primary) / 0.5);
  box-shadow: 0 0 10px hsl(var(--primary) / 0.3), inset 0 0 10px hsl(var(--primary) / 0.1);
  border-radius: 0.5rem;
  padding: 0.75rem 1rem;
  min-width: 70px;
}

@media (min-width: 640px) {
  .countdown-box {
    padding: 1rem 1.5rem;
    min-width: 90px;
  }
}

.countdown-value {
  font-family: 'Orbitron', sans-serif;
  font-size: 1.5rem;
  font-weight: 700;
  color: hsl(var(--foreground));
}

@media (min-width: 640px) {
  .countdown-value {
    font-size: 2.25rem;
  }
}

.countdown-unit-label {
  font-size: 0.75rem;
  color: hsl(var(--muted-foreground));
  margin-top: 0.5rem;
  font-family: 'Orbitron', sans-serif;
  letter-spacing: 0.1em;
}

@media (min-width: 640px) {
  .countdown-unit-label {
    font-size: 0.875rem;
  }
}

.countdown-separator {
  font-size: 1.5rem;
  font-weight: 700;
  color: hsl(var(--primary));
  margin-bottom: 1.5rem;
}

@media (min-width: 640px) {
  .countdown-separator {
    font-size: 2.25rem;
  }
}

/* Scroll indicator */
.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  color: hsl(var(--muted-foreground));
  transition: color 0.3s ease;
  animation: bounce 2s ease-in-out infinite;
  z-index: 10;
}

.scroll-indicator:hover {
  color: hsl(var(--primary));
}

/* ==================== SECTION COMMON STYLES ==================== */
section {
  position: relative;
  padding: 6rem 0;
  overflow: hidden;
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
  position: relative;
  z-index: 10;
}

.section-title {
  font-size: 1.875rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

@media (min-width: 768px) {
  .section-title {
    font-size: 3rem;
  }
}

/* FIX APPLIED HERE: Changed color to bright white */
.section-subtitle {
  color: hsl(var(--foreground)); /* Changed from muted-foreground to foreground */
  max-width: 42rem;
  margin: 0 auto;
  opacity: 0.9;
}

.section-divider {
  width: 6rem;
  height: 0.25rem;
  background: linear-gradient(to right, hsl(var(--primary)), hsl(var(--secondary)));
  margin: 1rem auto 0;
  border-radius: 9999px;
}

.section-divider.purple {
  background: linear-gradient(to right, hsl(var(--secondary)), hsl(var(--primary)));
}

.section-line {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(to right, transparent, hsl(var(--primary) / 0.5), transparent);
}

/* ==================== ABOUT SECTION ==================== */
.about-section {
  background: linear-gradient(to bottom, hsl(var(--muted) / 0.08), hsl(var(--background)), hsl(var(--background)));
}

.about-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, hsl(var(--muted) / 0.08), hsl(var(--background)), hsl(var(--background)));
  z-index: 0;
}

.about-content {
  display: grid;
  gap: 3rem;
  align-items: center;
  margin-bottom: 4rem;
}

@media (min-width: 1024px) {
  .about-content {
    grid-template-columns: 1fr 1fr;
  }
}

.about-text p {
  font-size: 1.125rem;
  color: hsl(var(--foreground));
  margin-bottom: 1.5rem;
  line-height: 1.8;
}

.about-text .highlight {
  color: hsl(var(--foreground));
  font-weight: 600;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.feature-card {
  background: hsl(var(--card) / 0.95);
  backdrop-filter: blur(24px);
  border: 1px solid hsl(var(--border) / 0.5);
  border-radius: 0.75rem;
  padding: 1.5rem;
  transition: all 0.3s ease;
}

.feature-card:hover {
  border-color: hsl(var(--primary) / 0.5);
  box-shadow: 0 0 10px hsl(var(--primary) / 0.3), inset 0 0 10px hsl(var(--primary) / 0.1);
}

.feature-icon {
  width: 3rem;
  height: 3rem;
  border-radius: 0.5rem;
  background: hsl(var(--primary) / 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  transition: background 0.3s ease;
}

.feature-card:hover .feature-icon {
  background: hsl(var(--primary) / 0.2);
}

.feature-icon svg {
  color: hsl(var(--primary));
}

.feature-card h3 {
  font-size: 1.125rem;
  font-weight: 600;
  color: hsl(var(--foreground));
  margin-bottom: 0.5rem;
}

.feature-card p {
  font-size: 0.875rem;
  color: hsl(var(--muted-foreground));
}

/* Stats Grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .stats-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.stat-card {
  text-align: center;
  background: hsl(var(--card) / 0.95);
  backdrop-filter: blur(24px);
  border: 1px solid hsl(var(--border) / 0.5);
  border-radius: 0.75rem;
  padding: 1.5rem;
}

.stat-value {
  font-size: 1.875rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

@media (min-width: 768px) {
  .stat-value {
    font-size: 2.25rem;
  }
}

.stat-label {
  font-size: 0.875rem;
  color: hsl(var(--muted-foreground));
  font-family: 'Orbitron', sans-serif;
  letter-spacing: 0.1em;
}

/* ==================== TRACKS SECTION ==================== */
.tracks-section {
  position: relative;
}

.tracks-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, hsl(var(--background)), transparent, hsl(var(--background)));
  z-index: 0;
}

.tracks-grid {
  display: grid;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .tracks-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .tracks-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.track-card {
  position: relative;
  transition: all 0.5s ease;
}

.track-glow {
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, hsl(var(--primary) / 0.2), hsl(var(--secondary) / 0.2));
  border-radius: 1rem;
  filter: blur(24px);
  opacity: 0;
  transition: opacity 0.5s ease;
}

.track-card:hover .track-glow {
  opacity: 1;
}

.track-content {
  position: relative;
  background: hsl(var(--card) / 0.95);
  backdrop-filter: blur(24px);
  border: 1px solid hsl(var(--border) / 0.5);
  border-radius: 1rem;
  padding: 2rem;
  height: 100%;
  transition: border-color 0.3s ease;
  overflow: hidden;
}

.track-card:hover .track-content {
  border-color: hsl(var(--primary) / 0.5);
}

.track-animated-border {
  position: absolute;
  inset: 0;
  border-radius: 1rem;
  opacity: 0;
  transition: opacity 0.5s ease;
}

.track-card:hover .track-animated-border {
  opacity: 1;
}

.track-animated-border::before {
  content: '';
  position: absolute;
  inset: -2px;
  background: linear-gradient(90deg, hsl(var(--primary)), hsl(var(--secondary)), hsl(var(--primary)));
  border-radius: 1rem;
  background-size: 200% 100%;
  animation: gradientShift 3s linear infinite;
}

.track-animated-border::after {
  content: '';
  position: absolute;
  inset: 1px;
  background: hsl(var(--card));
  border-radius: calc(1rem - 1px);
}

.track-inner {
  position: relative;
  z-index: 10;
}

.track-icon {
  width: 4rem;
  height: 4rem;
  border-radius: 0.75rem;
  background: linear-gradient(to bottom right, hsl(var(--primary) / 0.2), hsl(var(--primary) / 0.03));
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  transition: transform 0.3s ease;
}

.track-card:hover .track-icon {
  transform: scale(1.1);
}

.track-icon svg {
  color: hsl(var(--primary));
}

.track-icon.purple {
  background: linear-gradient(to bottom right, hsl(var(--secondary) / 0.2), hsl(var(--secondary) / 0.05));
}

.track-icon.purple svg {
  color: hsl(var(--secondary));
}

.track-icon.green svg {
  color: hsl(var(--neon-green));
}

.track-content h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: hsl(var(--foreground));
  margin-bottom: 0.75rem;
  transition: color 0.3s ease;
}

.track-card:hover .track-content h3 {
  color: hsl(var(--primary));
}

.track-content p {
  color: hsl(var(--muted-foreground));
  line-height: 1.6;
}

/* ==================== SCHEDULE SECTION ==================== */
.schedule-section {
  position: relative;
}

.schedule-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, hsl(var(--background)), hsl(var(--muted) / 0.1), hsl(var(--background)));
  z-index: 0;
}

.day-tabs {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 3rem;
}

.day-tab {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
  padding: 0.75rem 1.5rem;
  border-radius: 0.75rem;
  font-family: 'Orbitron', sans-serif;
  font-weight: 600;
  background: hsl(var(--muted) / 0.95);
  color: hsl(var(--muted-foreground));
  transition: all 0.3s ease;
}

.day-tab:hover {
  background: hsl(var(--muted));
  color: hsl(var(--foreground));
}

.day-tab.active {
  background: hsl(var(--primary));
  color: hsl(var(--primary-foreground));
  box-shadow: 0 0 20px hsl(var(--primary) / 0.5);
}

.day-tab svg {
  width: 1rem;
  height: 1rem;
}

.day-date {
  font-size: 0.75rem;
  opacity: 0;
  height: 0;
  transition: all 0.3s ease;
}

.day-tab.active .day-date {
  opacity: 0.8;
  height: auto;
}

.timeline {
  max-width: 48rem;
  margin: 0 auto;
  position: relative;
}

.timeline-line {
  position: absolute;
  left: 2rem;
  top: 0;
  bottom: 0;
  width: 1px;
  background: linear-gradient(to bottom, hsl(var(--primary)), hsl(var(--secondary)), hsl(var(--primary)));
}

@media (min-width: 768px) {
  .timeline-line {
    left: 50%;
  }
}

.day-events {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.timeline-event {
  position: relative;
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .timeline-event.left {
    flex-direction: row;
  }
  
  .timeline-event.right {
    flex-direction: row-reverse;
  }
}

.timeline-dot {
  position: absolute;
  left: 2rem;
  transform: translateX(-50%);
  width: 1rem;
  height: 1rem;
  border-radius: 50%;
  background: hsl(var(--primary));
  box-shadow: 0 0 10px hsl(var(--primary) / 0.8);
  z-index: 10;
}

@media (min-width: 768px) {
  .timeline-dot {
    left: 50%;
  }
}

.event-card {
  flex: 1;
  margin-left: 4rem;
  background: hsl(var(--card) / 0.95);
  backdrop-filter: blur(24px);
  border: 1px solid hsl(var(--border) / 0.5);
  border-radius: 0.75rem;
  padding: 1.5rem;
  transition: all 0.3s ease;
}

.event-card:hover {
  border-color: hsl(var(--primary) / 0.5);
  box-shadow: 0 0 10px hsl(var(--primary) / 0.3), inset 0 0 10px hsl(var(--primary) / 0.1);
}

@media (min-width: 768px) {
  .event-card {
    margin-left: 0;
  }
  
  .timeline-event.left .event-card {
    text-align: right;
    margin-right: 3rem;
  }
  
  .timeline-event.right .event-card {
    text-align: left;
    margin-left: 3rem;
  }
}

.event-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.5rem;
}

@media (min-width: 768px) {
  .timeline-event.left .event-header {
    flex-direction: row-reverse;
  }
}

.event-icon {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 0.5rem;
  background: hsl(var(--primary) / 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
}

.event-icon svg {
  color: hsl(var(--primary));
}

.event-time {
  font-size: 0.875rem;
  font-family: 'Orbitron', sans-serif;
  color: hsl(var(--primary));
}

.event-card h3 {
  font-size: 1.125rem;
  font-weight: 600;
  color: hsl(var(--foreground));
  margin-bottom: 0.25rem;
}

.event-card p {
  font-size: 0.875rem;
  color: hsl(var(--muted-foreground));
}

/* Hidden spacer for alignment */
@media (min-width: 768px) {
  .timeline-event::after {
    content: '';
    flex: 1;
    display: block;
  }
}

/* ==================== PRIZES SECTION ==================== */
.prizes-section {
  position: relative;
}

.prizes-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, hsl(var(--background)), hsl(var(--muted) / 0.05), hsl(var(--background)));
  z-index: 0;
}

.prizes-radial {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 50rem;
  height: 50rem;
  background: radial-gradient(circle, hsl(var(--primary) / 0.03), transparent);
  border-radius: 50%;
  filter: blur(48px);
  z-index: 0;
}

.prizes-grid {
  display: grid;
  gap: 2rem;
  margin-bottom: 4rem;
}

@media (min-width: 768px) {
  .prizes-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.prize-card {
  position: relative;
  transition: all 0.5s ease;
}

.prize-card.first {
  margin-top: 0;
}

@media (min-width: 768px) {
  .prize-card.first {
    margin-top: -2rem;
  }
}

.prize-glow {
  position: absolute;
  inset: 0;
  border-radius: 1rem;
  filter: blur(32px);
  opacity: 0.2;
  transition: opacity 0.5s ease;
}

.prize-card:hover .prize-glow {
  opacity: 0.4;
}

.prize-glow.gold {
  background: linear-gradient(to bottom, #fbbf24, #d97706);
}

.prize-glow.silver {
  background: linear-gradient(to bottom, #d1d5db, #6b7280);
}

.prize-glow.bronze {
  background: linear-gradient(to bottom, #d97706, #92400e);
}

.prize-content {
  position: relative;
  background: hsl(var(--card) / 0.95);
  backdrop-filter: blur(24px);
  border: 1px solid hsl(var(--border) / 0.5);
  border-radius: 1rem;
  padding: 2rem;
  text-align: center;
  height: 100%;
  transition: border-color 0.3s ease;
}

.prize-card:hover .prize-content {
  border-color: hsl(var(--primary) / 0.3);
}

.prize-badge {
  position: absolute;
  top: -1rem;
  left: 50%;
  transform: translateX(-50%);
  padding: 0.5rem 1.5rem;
  border-radius: 9999px;
  font-family: 'Orbitron', sans-serif;
  font-weight: 700;
  font-size: 0.875rem;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.prize-badge.gold {
  background: linear-gradient(135deg, #fbbf24, #d97706);
  color: hsl(var(--background));
}

.prize-badge.silver {
  background: linear-gradient(135deg, #d1d5db, #6b7280);
  color: hsl(var(--background));
}

.prize-badge.bronze {
  background: linear-gradient(135deg, #d97706, #92400e);
  color: hsl(var(--background));
}

.prize-icon-wrapper {
  margin: 2rem auto 1.5rem;
  width: 5rem;
  height: 5rem;
  border-radius: 50%;
  padding: 2px;
  transition: transform 0.3s ease;
}

.prize-card:hover .prize-icon-wrapper {
  transform: scale(1.1);
}

.prize-icon-wrapper.gold {
  background: linear-gradient(135deg, #fbbf24, #d97706);
}

.prize-icon-wrapper.silver {
  background: linear-gradient(135deg, #d1d5db, #6b7280);
}

.prize-icon-wrapper.bronze {
  background: linear-gradient(135deg, #d97706, #92400e);
}

.prize-icon-inner {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: hsl(var(--card));
  display: flex;
  align-items: center;
  justify-content: center;
}

.prize-amount {
  font-size: 2.25rem;
  font-weight: 700;
  color: hsl(var(--foreground));
  margin-bottom: 0.5rem;
}

.prize-title {
  color: hsl(var(--muted-foreground));
  margin-bottom: 1.5rem;
}

.prize-perks {
  list-style: none;
  text-align: left;
}

.prize-perks li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: hsl(var(--muted-foreground));
  padding: 0.5rem 0;
}

.perk-dot {
  width: 0.375rem;
  height: 0.375rem;
  border-radius: 50%;
  background: hsl(var(--primary));
}

/* Additional Prizes */
.additional-prizes {
  display: grid;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .additional-prizes {
    grid-template-columns: repeat(3, 1fr);
  }
}

.additional-prize-card {
  background: hsl(var(--card) / 0.95);
  backdrop-filter: blur(24px);
  border: 1px solid hsl(var(--border) / 0.5);
  border-radius: 0.75rem;
  padding: 1.5rem;
  text-align: center;
  transition: all 0.3s ease;
}

.additional-prize-card:hover {
  border-color: hsl(var(--primary) / 0.5);
  box-shadow: 0 0 10px hsl(var(--primary) / 0.3), inset 0 0 10px hsl(var(--primary) / 0.1);
}

.additional-prize-icon {
  width: 3rem;
  height: 3rem;
  margin: 0 auto 1rem;
  border-radius: 0.5rem;
  background: hsl(var(--primary) / 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.3s ease;
}

.additional-prize-card:hover .additional-prize-icon {
  background: hsl(var(--primary) / 0.2);
}

.additional-prize-icon svg {
  color: hsl(var(--primary));
}

.additional-prize-card h4 {
  font-weight: 600;
  color: hsl(var(--foreground));
  margin-bottom: 0.25rem;
}

.additional-prize-card p {
  font-size: 0.875rem;
  color: hsl(var(--muted-foreground));
}

/* ==================== SPONSORS SECTION ==================== */
.sponsors-section {
  position: relative;
}

.sponsors-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, hsl(var(--background)), transparent, hsl(var(--background)));
  z-index: 0;
}

.sponsor-tier {
  margin-bottom: 4rem;
}

.tier-title {
  font-size: 1rem;
  text-align: center;
  color: hsl(var(--muted-foreground));
  margin-bottom: 2rem;
  font-family: 'Orbitron', sans-serif;
  letter-spacing: 0.1em;
}

.tier-logos {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.5rem;
}

.sponsor-card {
  background: hsl(var(--card) / 0.95);
  backdrop-filter: blur(24px);
  border: 1px solid hsl(var(--border) / 0.5);
  border-radius: 1rem;
  padding: 2rem;
  transition: all 0.3s ease;
}

.sponsor-card:hover {
  border-color: hsl(var(--primary) / 0.5);
  box-shadow: 0 0 10px hsl(var(--primary) / 0.3), inset 0 0 10px hsl(var(--primary) / 0.1);
}

.sponsor-card.gold {
  border-radius: 0.75rem;
  padding: 1.5rem;
}

.sponsor-card.gold:hover {
  border-color: hsl(var(--secondary) / 0.5);
  box-shadow: 0 0 10px hsl(var(--secondary) / 0.3), inset 0 0 10px hsl(var(--secondary) / 0.1);
}

.sponsor-card.community {
  border-radius: 0.5rem;
  padding: 1rem;
}

.sponsor-card.community:hover {
  background: hsl(var(--muted) / 0.5);
}

.sponsor-card img {
  height: 5rem;
  width: auto;
  object-fit: contain;
  filter: brightness(0.9);
  transition: filter 0.3s ease;
}

.sponsor-card:hover img {
  filter: brightness(1);
}

.sponsor-card.gold img {
  height: 3rem;
  filter: brightness(0.75);
}

.sponsor-card.community img {
  height: 2.5rem;
  filter: brightness(0.5);
}

.sponsor-card.community:hover img {
  filter: brightness(0.75);
}

.sponsor-cta {
  text-align: center;
  margin-top: 4rem;
}

.sponsor-cta p {
  color: hsl(var(--muted-foreground));
  margin-bottom: 1rem;
}

.sponsor-cta a {
  color: hsl(var(--primary));
  font-family: 'Orbitron', sans-serif;
  transition: color 0.3s ease;
}

.sponsor-cta a:hover {
  color: hsl(var(--primary) / 0.8);
}

/* ==================== FAQ SECTION ==================== */
.faq-section {
  position: relative;
}

.faq-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, hsl(var(--background)), hsl(var(--muted) / 0.1), hsl(var(--background)));
  z-index: 0;
}

.faq-accordion {
  max-width: 48rem;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-item {
  background: hsl(var(--card) / 0.95);
  backdrop-filter: blur(24px);
  border: 1px solid hsl(var(--border) / 0.5);
  border-radius: 0.75rem;
  overflow: hidden;
  transition: all 0.3s ease;
}

.faq-item.open {
  border-color: hsl(var(--primary) / 0.5);
  box-shadow: 0 0 10px hsl(var(--primary) / 0.3), inset 0 0 10px hsl(var(--primary) / 0.1);
}

.faq-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem;
  text-align: left;
  font-family: 'Orbitron', sans-serif;
  font-weight: 600;
  color: hsl(var(--foreground));
  transition: color 0.3s ease;
}

.faq-trigger:hover {
  color: hsl(var(--primary));
}

.faq-chevron {
  color: hsl(var(--muted-foreground));
  transition: transform 0.3s ease;
}

.faq-item.open .faq-chevron {
  transform: rotate(180deg);
}

.faq-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
}

.faq-item.open .faq-content {
  max-height: 500px;
  padding: 0 1.5rem 1.5rem;
}

.faq-content p {
  color: hsl(var(--muted-foreground));
  line-height: 1.8;
}

.faq-contact {
  text-align: center;
  margin-top: 3rem;
}

.faq-contact p {
  color: hsl(var(--muted-foreground));
  margin-bottom: 0.5rem;
}

.faq-contact a {
  color: hsl(var(--primary));
  font-family: 'Orbitron', sans-serif;
  transition: color 0.3s ease;
}

.faq-contact a:hover {
  color: hsl(var(--primary) / 0.8);
}

/* ==================== REGISTER SECTION ==================== */
.register-section {
  position: relative;
}

.register-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, hsl(var(--background)), hsl(var(--primary) / 0.03), hsl(var(--background)));
  z-index: 0;
}

.register-radial {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 37.5rem;
  height: 37.5rem;
  background: radial-gradient(circle, hsl(var(--primary) / 0.1), transparent);
  border-radius: 50%;
  filter: blur(48px);
  z-index: 0;
}

.register-wrapper {
  max-width: 56rem;
  margin: 0 auto;
  text-align: center;
  position: relative;
  z-index: 10;
}

.register-glow {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, hsl(var(--primary)), hsl(var(--secondary)));
  filter: blur(24px);
  opacity: 0.5;
  border-radius: 1rem;
}

.register-card {
  position: relative;
  background: hsl(var(--card) / 0.95);
  backdrop-filter: blur(24px);
  border: 1px solid hsl(var(--primary) / 0.5);
  box-shadow: 0 0 10px hsl(var(--primary) / 0.3), inset 0 0 10px hsl(var(--primary) / 0.1);
  border-radius: 1rem;
  padding: 2rem;
}

@media (min-width: 768px) {
  .register-card {
    padding: 3rem;
  }
}

.register-subtitle {
  font-size: 1.125rem;
  color: hsl(var(--muted-foreground));
  margin-bottom: 2rem;
  max-width: 42rem;
  margin-left: auto;
  margin-right: auto;
}

.register-details {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  margin-bottom: 2rem;
  color: hsl(var(--muted-foreground));
}

.register-detail {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.register-detail svg {
  color: hsl(var(--primary));
}

.register-fee {
  margin-top: 1.5rem;
  font-size: 0.875rem;
  color: hsl(var(--muted-foreground));
}

/* ==================== FOOTER ==================== */
.footer {
  position: relative;
  background: hsl(var(--card) / 0.95);
  border-top: 1px solid hsl(var(--border) / 0.5);
}

.footer-glow {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(to right, transparent, hsl(var(--primary) / 0.5), transparent);
}

.footer .container {
  padding-top: 4rem;
  padding-bottom: 4rem;
}

.footer-grid {
  display: grid;
  gap: 3rem;
}

@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr 1fr 1fr;
  }
}

.footer-brand {
  grid-column: span 1;
}

@media (min-width: 1024px) {
  .footer-brand {
    grid-column: span 1;
  }
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.footer-logo-img {
  height: 3rem;
  width: 3rem;
}

.footer-logo-text {
  font-family: 'Orbitron', sans-serif;
  font-size: 1.5rem;
  font-weight: 700;
}

.footer-desc {
  color: hsl(var(--muted-foreground));
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.social-links {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.social-link {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 0.5rem;
  background: hsl(var(--muted) / 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  color: hsl(var(--muted-foreground));
  transition: all 0.3s ease;
}

.social-link:hover {
  color: hsl(var(--primary));
  background: hsl(var(--primary) / 0.1);
}

.footer-links-section h3,
.footer-contact-section h3,
.footer-coordinators-section h3 {
  font-size: 1.125rem;
  font-weight: 600;
  color: hsl(var(--foreground));
  margin-bottom: 1.5rem;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 0.75rem;
}

.footer-links button {
  color: hsl(var(--muted-foreground));
  transition: color 0.3s ease;
}

.footer-links button:hover {
  color: hsl(var(--primary));
}

.footer-contact {
  list-style: none;
}

.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  color: hsl(var(--muted-foreground));
  margin-bottom: 1rem;
}

.footer-contact svg {
  color: hsl(var(--primary));
  flex-shrink: 0;
  margin-top: 0.125rem;
}

.footer-contact a {
  transition: color 0.3s ease;
}

.footer-contact a:hover {
  color: hsl(var(--primary));
}

.coordinators {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.coordinator {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.coordinator-name {
  font-weight: 600;
  color: hsl(var(--foreground));
}

.coordinator-contact {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: hsl(var(--muted-foreground));
}

.coordinator-contact svg {
  color: hsl(var(--primary));
}

.coordinator-contact a {
  transition: color 0.3s ease;
}

.coordinator-contact a:hover {
  color: hsl(var(--primary));
}

.footer-bottom {
  margin-top: 4rem;
  padding-top: 2rem;
  border-top: 1px solid hsl(var(--border) / 0.5);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.875rem;
  color: hsl(var(--muted-foreground));
}

@media (min-width: 768px) {
  .footer-bottom {
    flex-direction: row;
  }
}

.heart {
  color: hsl(var(--primary));
}

/* ==================== SCROLLBAR ==================== */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: hsl(var(--background));
}

::-webkit-scrollbar-thumb {
  background: hsl(var(--primary) / 0.5);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: hsl(var(--primary) / 0.7);
}

/* ==================== OPACITY UTILITY ==================== */
.opacity-30 {
  opacity: 0.3;
}