:root {
  color-scheme: dark;
  --bg: oklch(7% 0.035 255);
  --panel: oklch(12% 0.065 252);
  --panel-2: oklch(16% 0.085 250);
  --text: oklch(96% 0.01 255);
  --muted: oklch(76% 0.032 252);
  --line: oklch(58% 0.17 250 / 42%);
  --gold: #ff9b00;
  --green: #12e18b;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Poppins, Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  color: var(--text);
  background:
    linear-gradient(180deg, oklch(6% 0.035 255 / 50%), oklch(6% 0.035 255 / 94%)),
    url("../game/background-still.png") center / cover fixed,
    var(--bg);
}

a {
  color: var(--green);
}

.seo-shell {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 24px 0 56px;
}

.seo-nav {
  min-height: 58px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 8px 10px;
  border: 1px solid var(--gold);
  border-radius: 22px;
  background: oklch(5% 0.035 255 / 78%);
}

.seo-logo,
.seo-nav div {
  display: flex;
  align-items: center;
  gap: 12px;
}

.seo-logo {
  text-decoration: none;
  font-weight: 800;
}

.seo-logo img {
  width: 42px;
  height: 42px;
}

.seo-nav div a {
  padding: 9px 14px;
  border: 1px solid oklch(72% 0.15 250 / 34%);
  border-radius: 999px;
  color: var(--text);
  text-decoration: none;
  font-size: 13px;
  font-weight: 700;
}

.seo-nav div .seo-play {
  border-color: transparent;
  background: var(--green);
  color: oklch(9% 0.035 255);
}

.seo-hero {
  width: min(760px, 100%);
  padding: 76px 0 44px;
}

.seo-hero span,
.seo-prizes span {
  color: var(--green);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}

.seo-hero h1 {
  margin: 10px 0 16px;
  font-size: clamp(38px, 7vw, 78px);
  line-height: .96;
  letter-spacing: 0;
}

.seo-hero p,
.seo-section p,
.seo-prizes p,
.seo-faq p {
  color: var(--muted);
  line-height: 1.72;
}

.seo-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  margin-top: 14px;
  padding: 0 24px;
  border-radius: 999px;
  background: var(--green);
  color: oklch(9% 0.035 255);
  font-weight: 800;
  text-decoration: none;
}

.seo-section,
.seo-prizes,
.seo-faq {
  margin-top: 22px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: linear-gradient(145deg, oklch(6% 0.04 255 / 88%), oklch(15% 0.075 250 / 84%));
}

.seo-section h2,
.seo-prizes h2,
.seo-faq h2 {
  margin: 0 0 10px;
  font-size: clamp(24px, 3vw, 36px);
}

.seo-cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 18px;
}

.seo-cards article,
.seo-prize-grid article {
  padding: 16px;
  border: 1px solid oklch(60% 0.12 250 / 28%);
  border-radius: 16px;
  background: oklch(9% 0.05 255 / 78%);
}

.seo-cards strong,
.seo-prize-grid strong {
  display: block;
  margin-bottom: 6px;
}

.seo-cards span,
.seo-prize-grid span,
.seo-prize-grid small {
  color: var(--muted);
  font-size: 13px;
}

.seo-prize-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 10px;
  margin-top: 18px;
}

.seo-prize-grid strong {
  color: var(--green);
  font-size: 18px;
}

.seo-faq details {
  padding: 14px 0;
  border-top: 1px solid oklch(56% 0.1 250 / 24%);
}

.seo-faq summary {
  cursor: pointer;
  font-weight: 800;
}

@media (max-width: 760px) {
  .seo-shell {
    width: min(100% - 20px, 430px);
    padding-top: 10px;
  }

  .seo-nav,
  .seo-nav div {
    align-items: stretch;
    flex-direction: column;
  }

  .seo-nav div a {
    text-align: center;
  }

  .seo-hero {
    padding: 46px 0 28px;
  }

  .seo-cards,
  .seo-prize-grid {
    grid-template-columns: 1fr;
  }

  .seo-section,
  .seo-prizes,
  .seo-faq {
    padding: 18px;
    border-radius: 18px;
  }
}