:root {
  --bg: #0b1020;
  --bg-soft: #121a31;
  --panel: rgba(255, 255, 255, 0.14);
  --panel-strong: rgba(255, 255, 255, 0.14);
  --text: #ecf1ff;
  --muted: #b9c4e0;
  --line: rgba(255, 255, 255, 0.15);
  --accent: #36e2b4;
  --accent-2: #ffb347;
  --shadow: 0 18px 45px rgba(0, 0, 0, 0.35);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: "Space Grotesk", "Avenir Next", "Segoe UI", sans-serif;
  color: var(--text);
  background: radial-gradient(circle at 20% 15%, #1d2e55 0, transparent 35%),
    radial-gradient(circle at 85% 10%, #203545 0, transparent 30%),
    linear-gradient(160deg, #070b16 0%, #0f1730 45%, #101a29 100%);
  line-height: 1.6;
  min-height: 100vh;
}

.site-bg {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image: linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 46px 46px;
  mask-image: radial-gradient(circle at center, black 45%, transparent 90%);
  opacity: 0.4;
  z-index: -1;
}

.container {
  width: min(1120px, calc(100% - 2.5rem));
  margin: 0 auto;
}

.hero {
  padding: 1rem 0 4.8rem;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 1rem;
}

.nav-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  align-items: center;
  gap: 0.95rem;
  margin-left: auto;
}

.nav-links a {
  color: var(--muted);
  text-decoration: none;
  padding: 0.3rem 0.55rem;
  border-radius: 999px;
  border: 1px solid transparent;
}

.nav-links a:hover {
  color: var(--text);
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.04);
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.brand-logo {
  width: 96px;
  height: 96px;
  object-fit: contain;
}

.brand-text {
  color: var(--muted);
  font-size: 1.15rem;
}

.hero-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(240px, 360px);
  gap: 1.4rem;
  align-items: center;
}

.hero-content {
  padding-top: 4.6rem;
}

.mascot-wrap {
  margin: 0;
  display: flex;
  justify-content: center;
}

.mascot {
  width: min(320px, 100%);
  height: auto;
  filter: drop-shadow(0 16px 32px rgba(0, 0, 0, 0.35));
  animation: floatY 4.8s ease-in-out infinite;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--accent-2);
  margin-bottom: 0.5rem;
  font-size: 1rem;
}

h1,
h2,
h3 {
  line-height: 1.15;
  margin: 0 0 0.55rem;
}

h1 {
  font-family: "Archivo Black", sans-serif;
  font-size: clamp(2.4rem, 6vw, 5rem);
  letter-spacing: 0.01em;
  text-wrap: balance;
}

h2 {
  font-size: clamp(1.8rem, 4vw, 2.7rem);
}

h3 {
  font-size: 1.3rem;
}

p {
  margin: 0.65rem 0;
}

.tagline {
  color: var(--muted);
  max-width: 64ch;
  font-size: 1.15rem;
}

.hero-meta {
  margin-top: 1.9rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 1rem;
}

.hero-meta > div {
  border: 1px solid var(--line);
  border-radius: 1rem;
  background: var(--panel);
  padding: 0.9rem 1rem;
  backdrop-filter: blur(6px);
}

.meta-label {
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin: 0 0 0.2rem;
  font-size: 0.95rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 1.6rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  border-radius: 999px;
  border: 1px solid transparent;
  padding: 0.7rem 1.1rem;
  font-weight: 600;
  background: linear-gradient(90deg, var(--accent), #7af4d2);
  color: #07231c;
  transition: transform 0.2s ease, filter 0.2s ease;
}

.btn:hover {
  transform: translateY(-2px);
  filter: saturate(1.1);
}

.btn-outline {
  background: transparent;
  color: var(--text);
  border-color: var(--line);
}

.btn-ghost {
  background: transparent;
  border-color: var(--line);
  color: var(--text);
}

.btn[aria-disabled="true"] {
  opacity: 0.65;
  pointer-events: none;
}

.section {
  padding: 2rem 0 4.8rem 0;
}

.section-intro {
  max-width: 72ch;
  margin-bottom: 1rem;
}

.section-alt {
  background: rgba(255, 255, 255, 0.025);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.cards {
  display: grid;
  gap: 1rem;
  margin-top: 1rem;
}

.two-up {
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.card,
.timeline-card,
.fact-panel {
  border: 1px solid var(--line);
  background: var(--panel);
  border-radius: 1rem;
  padding: 1.1rem;
  box-shadow: var(--shadow);
}

.pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 1rem;
}

.pill {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.35rem 0.75rem;
  color: var(--muted);
  font-size: 1rem;
}

.timeline-grid {
  margin-top: 1rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1rem;
}

.timeline-card ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.timeline-card li {
  padding: 0.5rem 0;
  border-bottom: 1px dashed rgba(255, 255, 255, 0.16);
}

.timeline-card li:last-child {
  border-bottom: 0;
}

.timeline-card span {
  color: var(--accent-2);
  display: inline-block;
  min-width: 11.6rem;
}

.subtle {
  color: var(--muted);
  font-size: 1.02rem;
}

.split {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 1rem;
}

.page-hero {
  padding-top: 1.3rem;
  padding-bottom: 0.8rem;
}

.page-title {
  max-width: 18ch;
}

.stack {
  display: grid;
  gap: 0.8rem;
}

.sponsor-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.sponsor-logo {
  display: block;
  width: 80%;
  height: 80%;
  object-fit: contain;
  margin: 0 auto;
}

.sponsor-logo-frame {
  width: 100%;
  aspect-ratio: 1 / 1;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.85rem;
  background: rgba(255, 255, 255, 0.95);
  border-radius: 0.6rem;
  padding: 0.3rem;
}

.sponsor-grid .card h3 {
  text-align: center;
}

.sponsor-email-link {
  color: var(--text);
}

.venue-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 1rem;
  margin-top: 1rem;
}

.faq-list {
  display: grid;
  gap: 1rem;
  margin-top: 1rem;
}

.faq-item {
  border: 1px solid var(--line);
  background: var(--panel);
  border-radius: 1rem;
  padding: 1.1rem;
  box-shadow: var(--shadow);
}

.inherit-color {
  color: inherit;
}

.faq-item summary {
  cursor: pointer;
  font-size: 1.2rem;
  font-weight: 700;
  line-height: 1.25;
}

.faq-item summary::-webkit-details-marker {
  color: var(--accent-2);
}

.faq-item p {
  margin-top: 0.55rem;
}

.footer {
  border-top: 1px solid var(--line);
  padding: 2rem 0 2.5rem;
}

.footer-wrap {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  flex-wrap: wrap;
}

.footer-title {
  font-family: "Archivo Black", sans-serif;
  letter-spacing: 0.03em;
}

.footer-links {
  list-style: none;
  display: flex;
  gap: 1rem;
  margin: 0;
  padding: 0;
  flex-wrap: wrap;
}

.footer-links a {
  color: var(--text);
  text-decoration-color: rgba(255, 255, 255, 0.45);
}

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}

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

@keyframes floatY {
  0% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-9px);
  }
  100% {
    transform: translateY(0);
  }
}

@media (max-width: 860px) {
  .brand-logo {
    width: 74px;
    height: 74px;
  }

  .nav {
    flex-wrap: wrap;
  }

  .nav-links {
    order: 3;
    width: 100%;
    flex-wrap: wrap;
    gap: 0.6rem;
    margin-left: 0;
  }

  .hero-layout {
    grid-template-columns: 1fr;
  }

  .mascot-wrap {
    order: -1;
    justify-content: flex-start;
  }

  .mascot {
    width: min(230px, 68vw);
  }

  .split {
    grid-template-columns: 1fr;
  }

  .venue-grid {
    grid-template-columns: 1fr;
  }

  .timeline-card span {
    display: block;
    min-width: 0;
    margin-bottom: 0.1rem;
  }
}

@media (max-width: 600px) {
  .brand-logo {
    width: 64px;
    height: 64px;
  }

  .hero-content {
    padding-top: 3rem;
  }

  .container {
    width: min(1120px, calc(100% - 1.4rem));
  }
}