:root {
  --bg: #091018;
  --panel: rgba(8, 19, 31, 0.78);
  --panel-strong: rgba(7, 14, 24, 0.94);
  --line: rgba(255, 255, 255, 0.11);
  --text: #edf4ff;
  --muted: #9cb3c7;
  --gold: #e9b255;
  --red: #cc6a54;
  --cyan: #73d8ff;
  --green: #8fd6b8;
  --shadow: 0 28px 90px rgba(0, 0, 0, 0.42);
  --radius: 26px;
  --shell: min(1180px, calc(100vw - 32px));
  font-family: "Aptos", "Segoe UI Variable", "Microsoft YaHei UI", "PingFang SC", "Noto Sans SC", sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background:
    radial-gradient(circle at top, rgba(115, 216, 255, 0.12), transparent 26%),
    radial-gradient(circle at bottom left, rgba(204, 106, 84, 0.12), transparent 22%),
    linear-gradient(180deg, #09111a 0%, #081018 100%);
  color: var(--text);
}

body {
  position: relative;
  overflow-x: clip;
}

button,
input,
textarea {
  font: inherit;
}

code {
  font-family: "JetBrains Mono", "Cascadia Code", "SFMono-Regular", Consolas, monospace;
}

.aurora,
.grid-glow {
  position: fixed;
  inset: 0;
  pointer-events: none;
}

.aurora {
  filter: blur(80px);
  opacity: 0.4;
}

.aurora-a {
  background: radial-gradient(circle at 16% 20%, rgba(204, 106, 84, 0.42), transparent 32%);
}

.aurora-b {
  background: radial-gradient(circle at 80% 10%, rgba(115, 216, 255, 0.28), transparent 28%);
}

.grid-glow {
  background-image:
    linear-gradient(rgba(115, 216, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(115, 216, 255, 0.05) 1px, transparent 1px);
  background-size: 34px 34px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.9), transparent 85%);
}

.shell {
  width: var(--shell);
  margin: 0 auto;
}

.hero {
  padding: 28px 0 34px;
}

.topbar,
.hero-panel,
.info-card,
.rules-card,
.timeline-card,
.footer-panel,
.hero-card {
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 18px 22px;
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) - 8px);
  background: rgba(8, 14, 22, 0.72);
  box-shadow: var(--shadow);
}

.brand-lockup {
  display: flex;
  align-items: center;
  gap: 16px;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 54px;
  height: 54px;
  border-radius: 18px;
  background: linear-gradient(135deg, var(--gold), var(--red));
  color: #120d09;
  font-size: 28px;
  font-weight: 900;
  box-shadow: 0 14px 32px rgba(255, 107, 87, 0.28);
}

.eyebrow,
.kicker,
.card-label,
.info-tag {
  margin: 0;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-size: 12px;
  color: var(--cyan);
}

.topbar h1,
.hero-copy h2,
.section-heading h3,
.footer-panel h3,
.info-card h4,
.rules-card h4,
.timeline-card h4 {
  margin: 0;
}

.topbar h1 {
  font-size: clamp(28px, 4vw, 42px);
  line-height: 1;
}

.hero-panel {
  margin-top: 22px;
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(280px, 0.92fr);
  gap: 22px;
}

.hero-copy,
.hero-card,
.info-card,
.rules-card,
.timeline-card,
.footer-panel {
  border: 1px solid var(--line);
  background: var(--panel);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.hero-copy {
  padding: 34px;
  position: relative;
  overflow: hidden;
}

.hero-copy::after {
  content: "";
  position: absolute;
  inset: auto -80px -80px auto;
  width: 220px;
  height: 220px;
  border-radius: 999px;
  background: radial-gradient(circle, rgba(255, 181, 54, 0.25), transparent 70%);
}

.kicker {
  color: var(--gold);
}

.hero-copy h2 {
  margin-top: 14px;
  font-size: clamp(32px, 5vw, 64px);
  line-height: 1.04;
  max-width: 12ch;
}

.hero-text {
  margin: 18px 0 0;
  max-width: 62ch;
  color: var(--muted);
  line-height: 1.8;
}

.cta-row,
.footer-actions,
.meta-strip,
.stat-cluster {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.cta-row {
  margin-top: 26px;
}

.cta-button,
.ghost-button {
  border: 0;
  cursor: pointer;
  white-space: nowrap;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.cta-button:hover,
.ghost-button:hover {
  transform: translateY(-2px);
}

.cta-button {
  padding: 14px 20px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--gold), #ffdf7a);
  color: #221402;
  font-weight: 700;
  box-shadow: 0 18px 30px rgba(255, 181, 54, 0.24);
}

.cta-button.secondary {
  background: linear-gradient(135deg, var(--cyan), #b8f6ff);
  color: #07212b;
}

.ghost-button {
  padding: 12px 18px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
  border: 1px solid var(--line);
}

.meta-strip {
  margin-top: 24px;
}

.meta-strip span {
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.04);
  color: var(--muted);
}

.hero-card {
  padding: 28px;
  background: var(--panel-strong);
}

.card-label {
  color: var(--green);
}

.stat-cluster {
  margin-top: 18px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.stat-card {
  padding: 18px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.07);
}

.stat-card:last-child {
  grid-column: 1 / -1;
}

.stat-value {
  display: block;
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 800;
  color: var(--gold);
}

.stat-label,
.signal-list,
.rules-list,
.info-card p,
.timeline-card p {
  color: var(--muted);
}

.signal-list,
.rules-list,
.info-card ul {
  margin: 16px 0 0;
  padding-left: 18px;
  line-height: 1.8;
}

.content {
  padding-bottom: 42px;
}

.section {
  margin-top: 44px;
}

.section-heading {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 18px;
}

.section-heading h3 {
  font-size: clamp(28px, 4vw, 42px);
}

.card-grid {
  display: grid;
  gap: 18px;
}

.card-grid-three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.info-card,
.rules-card {
  padding: 24px;
}

.info-card h4,
.rules-card h4,
.timeline-card h4 {
  margin-top: 14px;
  font-size: 24px;
}

.accent-gold {
  box-shadow: inset 0 0 0 1px rgba(255, 181, 54, 0.14), var(--shadow);
}

.accent-cyan {
  box-shadow: inset 0 0 0 1px rgba(97, 228, 255, 0.14), var(--shadow);
}

.accent-red {
  box-shadow: inset 0 0 0 1px rgba(255, 107, 87, 0.14), var(--shadow);
}

.pill-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.pill-cloud span {
  padding: 11px 16px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--line);
  color: var(--text);
}

.rules-layout {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.timeline-stack {
  display: grid;
  gap: 16px;
}

.timeline-card {
  display: grid;
  grid-template-columns: 84px minmax(0, 1fr);
  gap: 18px;
  padding: 22px;
}

.step-no {
  display: grid;
  place-items: center;
  border-radius: 20px;
  background: linear-gradient(135deg, rgba(255, 181, 54, 0.22), rgba(255, 107, 87, 0.18));
  border: 1px solid rgba(255, 255, 255, 0.07);
  font-size: 28px;
  font-weight: 800;
  color: var(--gold);
}

.footer-panel {
  margin-bottom: 22px;
  padding: 26px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 24px;
  transform: translateX(-50%) translateY(24px);
  padding: 12px 16px;
  border-radius: 999px;
  background: rgba(6, 11, 18, 0.94);
  color: var(--text);
  border: 1px solid rgba(255, 255, 255, 0.08);
  opacity: 0;
  pointer-events: none;
  transition: opacity 180ms ease, transform 180ms ease;
  box-shadow: var(--shadow);
}

.toast.visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

@media (max-width: 980px) {
  .hero-panel,
  .card-grid-three,
  .rules-layout,
  .footer-panel {
    grid-template-columns: 1fr;
  }

  .hero-panel {
    display: grid;
  }

  .stat-cluster {
    grid-template-columns: 1fr;
  }

  .stat-card:last-child {
    grid-column: auto;
  }

  .footer-panel {
    display: grid;
  }
}

@media (max-width: 720px) {
  :root {
    --shell: calc(100vw - 20px);
  }

  .hero {
    padding-top: 18px;
  }

  .topbar,
  .hero-copy,
  .hero-card,
  .info-card,
  .rules-card,
  .timeline-card,
  .footer-panel {
    padding: 20px;
  }

  .topbar {
    flex-direction: column;
    align-items: flex-start;
  }

  .brand-lockup {
    width: 100%;
  }

  .topbar .ghost-button {
    align-self: flex-start;
    min-width: 132px;
  }

  .hero-copy h2 {
    max-width: 9ch;
    font-size: clamp(24px, 13vw, 40px);
  }

  .hero-text {
    max-width: none;
  }

  .cta-row {
    flex-direction: column;
    align-items: stretch;
  }

  .cta-button {
    width: 100%;
  }

  .meta-strip span {
    width: 100%;
  }

  .timeline-card {
    grid-template-columns: 1fr;
  }

  .step-no {
    width: 72px;
    height: 72px;
  }
}