/* ---------- 1. GOOGLE FONTS ---------- */
@import url("https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=JetBrains+Mono:wght@400;700&display=swap");

/* ---------- 2. CSS CUSTOM PROPERTIES ---------- */
:root {
  /* Backgrounds */
  --bg-primary: #0a0a0f;
  --bg-secondary: #12121a;
  --bg-card: #1a1a2e;
  --bg-card-hover: #252540;
  --surface-glass: rgba(124, 58, 237, 0.08);

  /* Text */
  --text-primary: #f0f0ff;
  --text-secondary: #a0a0c0;
  --text-muted: #8a8aa8;

  /* Accents */
  --accent-purple: #7c3aed;
  --accent-violet: #8b5cf6;
  --accent-pink: #ec4899;
  --accent-coral: #ff6b35;

  /* Gradients */
  --accent-gradient: linear-gradient(135deg, #7c3aed, #ec4899, #ff6b35);
  --accent-gradient-hover: linear-gradient(135deg, #8b5cf6, #f472b6, #ff8a5c);

  /* Glows */
  --glow-purple: 0 0 30px rgba(124, 58, 237, 0.3);
  --glow-pink: 0 0 30px rgba(236, 72, 153, 0.3);

  /* Borders */
  --border-subtle: rgba(124, 58, 237, 0.15);
  --border-accent: rgba(124, 58, 237, 0.4);

  /* Radii */
  --radius-sm: 0;
  --radius-md: 0;
  --radius-lg: 0;
  --radius-xl: 0;

  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-spring: 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Focus States */
  --focus-ring: 0 0 0 2px var(--bg-primary), 0 0 0 4px var(--accent-violet);
}

/* ---------- 3. RESET & BASE ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
  font-size: 16px;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family:
    "JetBrains Mono",
    "Inter",
    system-ui,
    -apple-system,
    monospace;
  line-height: 1.6;
  overflow-x: hidden;
}

::selection {
  background-color: var(--accent-purple);
  color: #ffffff;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}

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

::-webkit-scrollbar-thumb {
  background: var(--accent-purple);
  border-radius: 0;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--accent-violet);
}

/* Firefox scrollbar */
* {
  scrollbar-width: thin;
  scrollbar-color: var(--accent-purple) var(--bg-primary);
}

/* ---------- 4. NAVIGATION ---------- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(10, 10, 15, 0.85);
  backdrop-filter: blur(20px) saturate(1.8);
  -webkit-backdrop-filter: blur(20px) saturate(1.8);
  border-bottom: 1px solid var(--border-subtle);
}

.navbar-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2rem;
  height: 72px;
}

.navbar-brand {
  display: flex;
  align-items: center;
  text-decoration: none;
  position: relative;
  width: 140px;
  height: 40px;
  flex-shrink: 0;
}

.nav-logo {
  width: auto;
  height: 40px;
  object-fit: contain;
  object-position: left center;
  transition: opacity 0.6s ease;
}

.nav-links {
  display: flex;
  gap: 8px;
  list-style: none;
}

.nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-weight: 500;
  font-size: 0.9rem;
  transition:
    color var(--transition-fast),
    background-color var(--transition-fast);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text-primary);
  background-color: rgba(124, 58, 237, 0.1);
}

.mobile-only {
  display: none;
}

.nav-cta {
  background: var(--accent-gradient);
  color: #ffffff;
  padding: 10px 24px;
  border-radius: 0;
  font-weight: 600;
  text-decoration: none;
  transition:
    transform var(--transition-smooth),
    box-shadow var(--transition-smooth);
  display: inline-block;
}

.nav-cta:hover {
}

.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.mobile-menu-btn span {
  display: block;
  width: 32px;
  height: 3px;
  background-color: #ffffff;
  border-radius: 0;
  transition:
    transform var(--transition-fast),
    opacity var(--transition-fast);
}

.mobile-menu-btn.active span:nth-child(1) {
  transform: rotate(45deg) translate(6px, 6px);
}

.mobile-menu-btn.active span:nth-child(2) {
  opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
  transform: rotate(-45deg) translate(6px, -6px);
}

/* ---------- 5. HERO SECTION ---------- */
#hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
  overflow: hidden;
  padding: 120px 2rem 80px;
}

.section-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.section-bg::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(
    ellipse at 30% 20%,
    rgba(124, 58, 237, 0.15) 0%,
    transparent 50%
  );
}

.section-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(
    ellipse at 70% 80%,
    rgba(236, 72, 153, 0.1) 0%,
    transparent 50%
  );
}

.section-particles {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--surface-glass);
  border: 1px solid var(--border-accent);
  border-radius: 0;
  padding: 8px 20px;
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  animation: fadeInDown 0.8s ease;
}

.hero-logo {
  max-width: 600px;
  width: 100%;
  display: block;
  margin: 0 auto 2rem;
  animation: fadeInUp 0.8s ease 0.2s both;
  filter: drop-shadow(0 0 40px rgba(124, 58, 237, 0.3));
}

.org-container {
  margin: 1rem auto 2.5rem;
  padding: 1.25rem 2rem;
  background: rgba(10, 10, 15, 0.4);
  border: 1px solid var(--border-subtle);
  max-width: 650px;
  backdrop-filter: blur(10px);
  animation: fadeInUp 0.8s ease 0.4s both;
  text-align: center;
}

.org-label {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 0.5rem;
  display: block;
}

.org-name {
  font-size: 1.3rem;
  font-weight: 500;
  color: var(--text-secondary);
  line-height: 1.4;
  margin: 0;
}

.org-name .gradient-text {
  font-weight: 700;
}

.org-uni {
  color: var(--text-primary);
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 3rem;
  margin-bottom: 3rem;
  animation: fadeInUp 0.8s ease 0.6s both;
}

.hero-stat {
  text-align: center;
}

.hero-stat .stat-value {
  font-size: 2.5rem;
  font-weight: 800;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  display: block;
  font-variant-numeric: tabular-nums;
}

.hero-stat .stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 2px;
}

/* Badge Countdown Styles */
#hero-countdown-badge {
  gap: 12px;
  font-family: "JetBrains Mono", monospace;
  font-weight: 500;
  letter-spacing: 0.5px;
}

#countdown-label {
  color: var(--text-muted);
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 1px;
}

#countdown-timer {
  color: var(--text-primary);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeInUp 0.8s ease 0.8s both;
}

.btn-primary {
  background: var(--accent-gradient);
  color: #ffffff;
  padding: 16px 36px;
  border-radius: 0;
  font-weight: 700;
  font-size: 1.05rem;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition:
    transform var(--transition-smooth),
    box-shadow var(--transition-smooth);
  border: none;
  cursor: pointer;
}

.btn-primary:hover {
}

.btn-secondary {
  background: transparent;
  border: 1px solid var(--border-accent);
  color: var(--text-primary);
  padding: 16px 36px;
  border-radius: 0;
  font-weight: 600;
  font-size: 1.05rem;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition:
    background-color var(--transition-smooth),
    border-color var(--transition-smooth);
  cursor: pointer;
}

.btn-secondary:hover {
  background-color: rgba(124, 58, 237, 0.1);
  border-color: var(--accent-violet);
}

/* ---------- 6. SECTION BASE ---------- */
.section {
  padding: 100px 2rem;
  position: relative;
  overflow: hidden;
}

.section-container {
  max-width: 1200px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--surface-glass);
  border: 1px solid var(--border-subtle);
  border-radius: 0;
  padding: 6px 18px;
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-bottom: 1rem;
  text-transform: uppercase;
  letter-spacing: 2px;
}

.section-title {
  font-size: 2.8rem;
  font-weight: 800;
  margin-bottom: 1rem;
  line-height: 1.2;
}

.section-title .gradient-text,
.gradient-text {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 800px;
  margin: 0 auto;
}

.section-alt {
  background-color: var(--bg-secondary);
}

/* ---------- 7. ABOUT SECTION ---------- */
.about-blocks {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-bottom: 3rem;
}

.about-block:nth-child(1) {
  grid-column: 1 / 3;
  grid-row: 1;
}

.about-block:nth-child(2) {
  grid-column: 1;
  grid-row: 2;
}

.about-block:nth-child(3) {
  grid-column: 2;
  grid-row: 2;
}

.about-block:nth-child(4) {
  grid-column: 3;
  grid-row: 1 / 3;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
}

.about-block {
  padding: 2rem;
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 0;
  transition: border-color var(--transition-smooth);
}

.about-block:hover {
  border-color: var(--border-accent);
}

.about-block-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.about-block-text {
  color: var(--text-secondary);
  line-height: 1.8;
  font-size: 0.95rem;
}

.about-block-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-bottom: 1rem;
}

.about-block-item {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  padding: 0.75rem;
  background: rgba(124, 58, 237, 0.05);
  border: 1px solid var(--border-subtle);
}

.about-block-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--text-muted);
  font-family: "JetBrains Mono", monospace;
}

.about-block-value {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
}

.about-block-support {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-style: italic;
}

.participate-items {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.participate-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.75rem;
  background: rgba(124, 58, 237, 0.05);
  border: 1px solid var(--border-subtle);
  transition: border-color var(--transition-smooth);
}

.participate-item:hover {
  border-color: var(--border-accent);
}

.participate-icon {
  font-size: 1.5rem;
}

.participate-info {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.participate-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--text-muted);
  font-family: "JetBrains Mono", monospace;
}

.participate-value {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
}

.about-steps {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  position: relative;
  margin-top: 1.5rem;
}

.about-steps::before {
  content: "";
  position: absolute;
  left: 15px;
  top: 10px;
  bottom: 10px;
  width: 2px;
  background: linear-gradient(
    to bottom,
    var(--accent-purple),
    var(--accent-pink),
    var(--accent-coral)
  );
  opacity: 0.3;
}

.about-step {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  position: relative;
  transition: transform var(--transition-smooth);
}

.about-step:hover {
  /* Removed translateX shift */
}

.step-number {
  width: 32px;
  height: 32px;
  min-width: 32px;
  background: var(--bg-primary);
  border: 2px solid var(--accent-purple);
  color: var(--accent-purple);
  font-size: 0.9rem;
  font-weight: 700;
  font-family: "JetBrains Mono", monospace;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 1;
  transition:
    background-color var(--transition-smooth),
    color var(--transition-smooth),
    border-color var(--transition-smooth),
    box-shadow var(--transition-smooth),
    transform var(--transition-smooth);
  box-shadow: 0 0 10px rgba(124, 58, 237, 0.2);
  font-variant-numeric: tabular-nums;
}

.about-step:hover .step-number {
  background: var(--accent-gradient);
  color: #fff;
  border-color: transparent;
  box-shadow: var(--glow-purple);
  transform: scale(1.1);
}

.step-text {
  font-size: 1rem;
  color: var(--text-secondary);
  font-weight: 500;
  transition: color var(--transition-fast);
}

.about-step:hover .step-text {
  color: var(--text-primary);
}

.about-objectives-title {
  text-align: center;
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 2rem;
}

.about-objectives {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin-bottom: 4rem;
}

.about-objective {
  padding: 2rem;
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 0;
  transition:
    border-color var(--transition-smooth),
    transform var(--transition-smooth);
}

.about-objective:hover {
  border-color: var(--border-accent);
}

.objective-icon {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.about-objective h4 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.about-objective p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* Section Divider Styles */
.section-divider {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  margin: 4rem 0;
  width: 100%;
}

.divider-line {
  height: 1px;
  flex-grow: 1;
  background: linear-gradient(
    90deg,
    transparent,
    var(--accent-purple),
    var(--accent-pink),
    var(--accent-coral),
    transparent
  );
  position: relative;
}

.divider-line::after {
  content: "";
  position: absolute;
  inset: 0;
  background: inherit;
  filter: blur(4px);
  opacity: 0.5;
}

.divider-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-pink);
  filter: drop-shadow(0 0 8px rgba(236, 72, 153, 0.5));
}

.divider-icon i {
  width: 24px;
  height: 24px;
  stroke-width: 1.5;
}

@media (max-width: 768px) {
  .section-divider {
    gap: 1rem;
    margin: 3rem 0;
  }
}

/* ---------- 8. TRACKS SECTION ---------- */
.tracks-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.track-card {
  background-color: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 2rem;
  border: 1px solid var(--border-subtle);
  transition:
    transform var(--transition-smooth),
    border-color var(--transition-smooth),
    box-shadow var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.track-card:hover {
  border-color: var(--border-accent);
}

.track-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--accent-gradient);
  transform: scaleX(0);
  transition: transform var(--transition-smooth);
  transform-origin: left;
}

.track-card:hover::before {
  transform: scaleX(1);
}

.track-number {
  font-size: 3rem;
  font-weight: 900;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  opacity: 1;
  margin-bottom: 0.5rem;
}

.track-card h3 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.track-card p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.track-examples-title {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
  margin-top: 1rem;
}

.track-examples {
  list-style: none;
  padding: 0;
  margin: 0 0 1.5rem 0;
}

.track-examples li {
  position: relative;
  padding-left: 1.2rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.8;
}

.track-examples li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--accent-violet);
  font-weight: 700;
}

.track-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.track-tag {
  font-size: 0.75rem;
  padding: 4px 12px;
  background: var(--surface-glass);
  border: 1px solid var(--border-subtle);
  border-radius: 0;
  color: var(--text-muted);
  font-family: "JetBrains Mono", monospace;
}

/* ---------- 9. TIMELINE SECTION ---------- */
.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  padding-bottom: 4rem;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 10px;
  bottom: 4rem;
  width: 6px;
  background: rgba(124, 58, 237, 0.05);
  transform: translateX(-50%);
  border-radius: 3px;
}

.timeline::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 10px;
  bottom: 4rem;
  width: 2px;
  background: linear-gradient(
    to bottom,
    transparent,
    var(--accent-purple) 15%,
    var(--accent-pink) 50%,
    var(--accent-purple) 85%,
    transparent
  );
  transform: translateX(-50%);
  box-shadow: 0 0 20px var(--accent-purple);
  z-index: 0;
}

.timeline-item {
  display: flex;
  justify-content: flex-end;
  padding: 0 0 4rem;
  width: 50%;
  position: relative;
}

.timeline-item:nth-child(even) {
  align-self: flex-end;
  justify-content: flex-start;
  margin-left: auto;
}

.timeline-item:last-child {
  padding-bottom: 0;
}

.timeline-item::before {
  content: "";
  position: absolute;
  width: 20px;
  height: 20px;
  background: var(--bg-primary);
  border: 2px solid var(--accent-purple);
  border-radius: 50%;
  top: 0;
  z-index: 2;
  box-shadow: 0 0 15px var(--accent-purple);
}

.timeline-item::after {
  content: "";
  position: absolute;
  width: 8px;
  height: 8px;
  background: var(--accent-gradient);
  border-radius: 50%;
  top: 6px;
  z-index: 3;
  box-shadow: 0 0 10px var(--accent-pink);
}

.timeline-item:nth-child(odd)::before {
  right: -10px;
}

.timeline-item:nth-child(odd)::after {
  right: -4px;
}

.timeline-item:nth-child(even)::before {
  left: -10px;
}

.timeline-item:nth-child(even)::after {
  left: -4px;
}

.timeline-content {
  background-color: var(--bg-card);
  padding: 1.5rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  max-width: calc(100% - 2rem);
  transition: border-color var(--transition-smooth);
}

.timeline-content:hover {
  border-color: var(--border-accent);
}

.timeline-date {
  font-size: 0.8rem;
  color: var(--accent-violet);
  font-weight: 600;
  margin-bottom: 0.5rem;
  font-family: "JetBrains Mono", monospace;
}

.timeline-content h4 {
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.timeline-content p {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* ---------- 10. PRIZES SECTION ---------- */
.prizes-bento {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  margin-bottom: 3rem;
}

.prize-card {
  background-color: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem;
  text-align: center;
  border: 1px solid var(--border-subtle);
  transition:
    transform var(--transition-smooth),
    border-color var(--transition-smooth),
    box-shadow var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.prize-card:hover {
}

.prize-card.champion {
  grid-column: 1 / 3;
  grid-row: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  border-color: rgba(255, 215, 0, 0.3);
  background-color: var(--bg-card);
  background-image: linear-gradient(
    135deg,
    rgba(255, 215, 0, 0.05),
    rgba(124, 58, 237, 0.05)
  );
}

.prize-card.champion::before {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, #ffd700, #7c3aed, #ec4899);
  z-index: -1;
  opacity: 0.3;
}

.prize-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.prize-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.prize-amount {
  font-size: 2rem;
  font-weight: 800;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.prize-card.champion .prize-amount {
  background: linear-gradient(135deg, #ffd700, #ffa500);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.prize-amount span {
  font-size: 1rem;
  font-weight: 400;
  -webkit-text-fill-color: var(--text-secondary);
}

.perks-section {
  background-color: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  border: 1px solid var(--border-subtle);
}

.perks-section h3 {
  text-align: center;
  margin-bottom: 1.5rem;
  font-size: 1.3rem;
}

.perks-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 1.5rem;
  text-align: center;
}

.perk-item .perk-icon {
  font-size: 2rem;
  margin-bottom: 0.5rem;
  display: flex;
  justify-content: center;
  align-items: center;
}

.perk-icon i,
.prize-icon i,
.objective-icon i {
  width: 32px;
  height: 32px;
  stroke: var(--accent-violet);
  stroke-width: 2;
}

.prize-icon i {
  width: 48px;
  height: 48px;
}

.prize-card.champion .prize-icon i {
  stroke: #ffd700;
}

.objective-icon i {
  width: 40px;
  height: 40px;
}

.perk-item p {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.footer-brand span {
  font-weight: 600;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.footer-supported {
  text-align: center;
  margin-bottom: 1.5rem;
}

.footer-supported p {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ---------- 11. SCHEDULE SECTION ---------- */
.schedule-container {
  background-color: var(--bg-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-subtle);
}

.schedule-grid {
  display: grid;
  gap: 0;
}

.schedule-item {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 2rem;
  padding: 1.25rem 2rem;
  border-bottom: 1px solid var(--border-subtle);
  transition: background-color var(--transition-fast);
  align-items: center;
}

.schedule-item:last-child {
  border-bottom: none;
}

.schedule-item:hover {
  background-color: var(--bg-card-hover);
}

.schedule-time {
  font-family: "JetBrains Mono", monospace;
  font-weight: 700;
  color: var(--accent-violet);
  font-size: 0.9rem;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.schedule-info h4 {
  font-weight: 600;
  margin-bottom: 0.15rem;
}

.schedule-info p {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ---------- 12. JUDGING SECTION ---------- */
.judging-phases {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

.judging-phase {
  background-color: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 2rem;
  border: 1px solid var(--border-subtle);
}

.judging-phase h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.phase-desc {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.phase-duration {
  display: inline-block;
  padding: 0.35rem 1rem;
  background: rgba(124, 58, 237, 0.1);
  border: 1px solid rgba(124, 58, 237, 0.3);
  color: var(--accent-violet);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  margin-bottom: 1rem;
}

.phase-meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
  padding: 1.25rem;
  background: rgba(124, 58, 237, 0.05);
  border: 1px solid var(--border-subtle);
  border-radius: 0;
}

.phase-meta-item {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.phase-meta-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--text-muted);
  font-family: "JetBrains Mono", monospace;
}

.phase-meta-value {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
}

.phase-sub-heading {
  font-size: 1rem;
  font-weight: 600;
  color: var(--accent-violet);
  margin-bottom: 1rem;
  margin-top: 1.5rem;
}

.phase-list {
  list-style: none;
  padding: 0;
  margin: 0 0 1rem;
}

.phase-list li {
  padding: 0.5rem 0;
  padding-left: 1.25rem;
  position: relative;
  color: var(--text-secondary);
  font-size: 0.9rem;
  border-bottom: 1px solid var(--border-subtle);
}

.phase-list li:last-child {
  border-bottom: none;
}

.phase-list li::before {
  content: "▸";
  position: absolute;
  left: 0;
  color: var(--accent-violet);
  font-weight: 700;
}

.criteria-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border-subtle);
  gap: 1rem;
}

.criteria-item:last-child {
  border-bottom: none;
}

.criteria-name {
  font-weight: 500;
  font-size: 0.9rem;
  flex-shrink: 0;
}

.criteria-bar-container {
  display: flex;
  align-items: center;
  flex-grow: 1;
  justify-content: flex-end;
}

.criteria-bar {
  flex-grow: 1;
  height: 4px;
  background: rgba(124, 58, 237, 0.1);
  margin: 0 1rem;
  position: relative;
  max-width: 200px;
}

.criteria-progress {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  background: var(--accent-gradient);
}

.criteria-marks {
  font-family: "JetBrains Mono", monospace;
  font-weight: 700;
  color: var(--accent-violet);
  min-width: 30px;
  text-align: right;
  font-variant-numeric: tabular-nums;
  font-size: 0.9rem;
}

/* ---------- 13. REGISTRATION SECTION ---------- */
.register-container {
  background: var(--accent-gradient);
  border-radius: var(--radius-xl);
  padding: 4rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.register-container::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(
    circle at 30% 50%,
    rgba(255, 255, 255, 0.1),
    transparent 60%
  );
  pointer-events: none;
}

.register-container h2 {
  font-size: 2.5rem;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 1rem;
  position: relative;
}

.register-container p {
  color: rgba(255, 255, 255, 0.85);
  font-size: 1.1rem;
  margin-bottom: 2rem;
  max-width: 800px;
  margin-inline: auto;
  position: relative;
}

.register-details {
  display: flex;
  justify-content: center;
  gap: 3rem;
  margin-bottom: 2.5rem;
  position: relative;
}

.register-detail {
  text-align: center;
}

.register-detail .label {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.6);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.register-detail .value {
  font-size: 1.5rem;
  font-weight: 700;
  color: #ffffff;
}

.btn-register {
  background: #ffffff;
  color: #7c3aed;
  padding: 16px 40px;
  border-radius: 0;
  font-weight: 700;
  font-size: 1.1rem;
  border: none;
  cursor: pointer;
  transition:
    transform var(--transition-smooth),
    box-shadow var(--transition-smooth);
  display: inline-flex;
  align-items: center;
  gap: 12px;
  position: relative;
  text-decoration: none;
}

.btn-icon {
  transition: transform var(--transition-smooth);
}

.btn-register:hover .btn-icon {
  transform: translate(4px, -4px);
}

.btn-register:hover {
}

.btn-register-outline {
  background: transparent;
  color: #ffffff;
  padding: 14px 38px;
  border-radius: 0;
  font-weight: 700;
  font-size: 1.1rem;
  border: 2px solid #ffffff;
  cursor: pointer;
  transition:
    transform var(--transition-smooth),
    box-shadow var(--transition-smooth);
  display: inline-flex;
  align-items: center;
  gap: 12px;
  position: relative;
  text-decoration: none;
}

.btn-register-outline:hover .btn-icon {
  transform: translate(0, -4px);
}

/* ---------- 14. ORGANIZERS SECTION ---------- */
.organizers-grid {
  display: flex;
  flex-direction: column;
  gap: 4rem;
  margin-top: 3rem;
}

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

.organizer-label {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--accent-violet);
  text-align: center;
  opacity: 0.8;
}

.organizer-cards {
  display: flex;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
}

/* Lead Organizer Specific */
.organizer-group:first-child .organizer-card {
  min-width: 420px;
}

.organizer-group:first-child .organizer-logo {
  width: 100px;
  height: 100px;
  padding: 10px;
}

.organizer-group:first-child .organizer-info h4 {
  font-size: 1.3rem;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Common Card Styles */
.organizer-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.25rem 2rem;
  display: flex;
  align-items: center;
  gap: 1.5rem;
  min-width: 320px;
  transition:
    transform var(--transition-smooth),
    border-color var(--transition-smooth),
    box-shadow var(--transition-smooth);
  backdrop-filter: blur(10px);
}

.organizer-card:hover {
  border-color: var(--border-accent);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
}

.organizer-logo {
  width: 70px;
  height: 70px;
  background: #ffffff;
  border-radius: var(--radius-md);
  padding: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.organizer-logo img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.organizer-info h4 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.3;
}

/* ---------- 15. FOOTER ---------- */
.footer {
  background-color: var(--bg-primary);
  padding: 3rem 2rem 1.5rem;
  border-top: 1px solid var(--border-subtle);
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
}

.footer-top {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-bottom: 2.5rem;
  text-align: center;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: center;
}

.footer-brand img {
  height: 50px;
  opacity: 0.9;
  transition: opacity var(--transition-fast);
}

.footer-brand img:hover {
  opacity: 1;
}

.footer-bottom {
  text-align: center;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-subtle);
}

.footer-bottom p {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ---------- 16. SUPPORT SECTION ---------- */
.support-container {
  display: flex;
  justify-content: center;
  gap: 2.5rem;
  flex-wrap: wrap;
  margin-top: 3rem;
}

.support-card {
  background: linear-gradient(
    135deg,
    rgba(26, 26, 46, 0.8),
    rgba(124, 58, 237, 0.05)
  );
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 3rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 1.5rem;
  min-width: 400px;
  max-width: 500px;
  position: relative;
  overflow: hidden;
  transition:
    transform var(--transition-smooth),
    border-color var(--transition-smooth),
    box-shadow var(--transition-smooth);
  backdrop-filter: blur(10px);
}

.support-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--accent-gradient);
  opacity: 0.5;
}

.support-card:hover {
  border-color: var(--accent-violet);
}

.support-icon {
  width: 80px;
  height: 80px;
  background: var(--surface-glass);
  border: 1px solid var(--border-subtle);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-violet);
  margin-bottom: 0.5rem;
}

.support-icon i {
  width: 36px;
  height: 36px;
}

.support-info {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
}

.support-info h4 {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--text-primary);
  margin: 0;
}

.support-info p {
  font-size: 1rem;
  color: var(--text-secondary);
  max-width: 300px;
  margin: 0;
}

.support-value {
  background: var(--accent-gradient);
  color: #ffffff;
  font-family: "JetBrains Mono", monospace;
  font-size: clamp(0.9rem, 3.5vw, 1.2rem);
  font-weight: 800;
  text-decoration: none;
  padding: 0.8rem 1.5rem;
  border-radius: var(--radius-md);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  word-break: break-all;
  max-width: 100%;
  transition:
    transform var(--transition-smooth),
    box-shadow var(--transition-smooth);
}

.support-value:hover {
  color: #ffffff;
}

/* ---------- 17. ANIMATIONS ---------- */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulse {
  0%,
  100% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.5);
    opacity: 0.5;
  }
}

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

@keyframes shimmer {
  0% {
    background-position: -200% 0;
  }
  100% {
    background-position: 200% 0;
  }
}

.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition:
    opacity 0.6s ease,
    transform 0.6s ease;
}

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

/* ---------- 16. RESPONSIVE ---------- */

/* ---- Tablet (≤ 1024px) ---- */
@media (max-width: 1024px) {
  /* Navigation */
  .nav-links {
    display: none;
  }

  .mobile-menu-btn {
    display: flex;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
  }

  .nav-links.active {
    display: flex;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: rgba(10, 10, 15, 0.95);
    flex-direction: column;
    padding: 1rem 2rem;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-subtle);
  }

  .nav-cta {
    display: none;
  }

  .mobile-only {
    display: block;
  }

  .nav-links.active .mobile-nav-cta {
    color: #7c3aed;
    font-weight: 700;
    margin-top: 1rem;
    display: inline-block;
  }

  .tracks-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .about-blocks {
    grid-template-columns: repeat(2, 1fr);
  }

  .about-block:nth-child(1) {
    grid-column: 1 / 3;
    grid-row: auto;
  }

  .about-block:nth-child(2) {
    grid-column: 1;
    grid-row: auto;
  }

  .about-block:nth-child(3) {
    grid-column: 2;
    grid-row: auto;
  }

  .about-block:nth-child(4) {
    grid-column: 1 / 3;
    grid-row: auto;
  }

  .about-objectives {
    grid-template-columns: 1fr;
  }

  .judging-phases {
    grid-template-columns: 1fr;
  }

  .section-title {
    font-size: 2.2rem;
  }
}

/* ---- Mobile (≤ 768px) ---- */
@media (max-width: 768px) {
  .section {
    padding: 60px 1.25rem;
  }

  /* Hero */
  .org-container {
    padding: 1rem;
  }

  .org-name {
    font-size: 1.1rem;
  }

  .hero-stats {
    flex-wrap: wrap;
    gap: 2rem;
  }

  .hero-logo {
    max-width: 400px;
  }

  .hero-actions {
    flex-direction: column;
    align-items: center;
  }

  .hero-stat .stat-value {
    font-size: 2rem;
  }

  /* Sections */
  .section-title {
    font-size: 1.8rem;
  }

  .about-blocks {
    grid-template-columns: 1fr;
  }

  .about-block:nth-child(1),
  .about-block:nth-child(2),
  .about-block:nth-child(3),
  .about-block:nth-child(4) {
    grid-column: auto;
    grid-row: auto;
  }

  /* Tracks */
  .tracks-grid {
    grid-template-columns: 1fr;
  }

  /* Phases & Judging */
  .judging-phase {
    padding: 1.5rem;
  }

  .criteria-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }

  .criteria-bar-container {
    width: 100%;
    justify-content: space-between;
  }

  .criteria-bar {
    flex-grow: 1;
    margin-right: 1rem;
  }

  /* Prizes */
  .prizes-bento {
    grid-template-columns: 1fr;
  }
  .prize-card.champion {
    grid-column: auto;
    grid-row: auto;
  }

  .perks-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  /* Timeline */
  .timeline {
    padding-bottom: 3rem;
  }

  .timeline::before {
    left: 16px;
    top: 10px;
    bottom: 3rem;
    transform: none;
  }

  .timeline::after {
    left: 16px;
    top: 10px;
    bottom: 3rem;
    transform: none;
  }

  .timeline-item {
    width: 100%;
    padding-left: 19px;
    padding-bottom: 3rem;
    justify-content: flex-start;
  }

  .timeline-item:last-child {
    padding-bottom: 0;
  }

  .timeline-item::before {
    left: 6px !important;
    right: auto !important;
  }

  .timeline-item::after {
    left: 12px !important;
    right: auto !important;
  }

  .timeline-item:nth-child(even) {
    margin-left: 0;
  }

  .timeline-content {
    max-width: 100%;
    padding: 1.25rem;
  }

  /* Registration */
  .register-container {
    padding: 2.5rem 1.5rem;
  }

  .register-details {
    flex-direction: column;
    gap: 1.5rem;
  }

  /* Schedule */
  .schedule-item {
    grid-template-columns: 90px 1fr;
    padding: 1rem;
  }

  .participate-items {
    flex-direction: column;
    gap: 1rem;
  }

  .footer-top {
    flex-direction: column;
    text-align: center;
  }

  .organizer-card {
    min-width: 280px;
    width: 100%;
    max-width: calc(100% - 1rem);
    flex-direction: column;
    text-align: center;
    padding: 2rem;
  }

  .organizer-group:first-child .organizer-card {
    min-width: 280px;
  }

  .organizer-cards {
    gap: 1.5rem;
  }

  .support-card {
    min-width: 260px;
    width: 100%;
    max-width: 100%;
    padding: 2rem 1rem;
  }

  .support-info h4 {
    font-size: 1.25rem;
  }

  .support-info p {
    font-size: 0.9rem;
  }
}

/* ---- Small Mobile (≤ 480px) ---- */
@media (max-width: 480px) {
  .perks-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .hero-logo {
    max-width: 280px;
  }

  .hero-stats {
    flex-direction: column;
    gap: 1.5rem;
    margin-bottom: 2.5rem;
  }

  .btn-primary,
  .btn-secondary {
    padding: 14px 28px;
    width: 100%;
    justify-content: center;
  }

  .navbar-container {
    padding: 0 1rem;
  }

  .register-container h2 {
    font-size: 1.8rem;
  }

  #hero-countdown-badge {
    font-size: 0.75rem;
    gap: 6px;
    padding: 8px 16px;
    flex-wrap: wrap;
    justify-content: center;
    max-width: 280px;
    line-height: 1.4;
  }

  #countdown-label {
    font-size: 0.65rem;
  }

  .org-name {
    font-size: 1.1rem;
  }

  .org-container {
    padding: 0.75rem 1rem;
    margin-bottom: 2rem;
  }

  .schedule-item {
    grid-template-columns: 1fr;
    gap: 0.5rem;
    padding: 1.5rem 1rem;
    text-align: center;
  }

  .schedule-time {
    font-size: 1rem;
    margin-bottom: 0.25rem;
  }

  .support-card {
    padding: 1.5rem 1rem;
  }

  .support-icon {
    width: 60px;
    height: 60px;
  }

  .support-icon i {
    width: 28px;
    height: 28px;
  }

  .support-value {
    padding: 0.75rem 1.25rem;
  }
}