:root {
  --bg: #07101f;
  --panel: rgba(11, 22, 42, 0.92);
  --panel-2: rgba(16, 31, 58, 0.86);
  --text: #eaffff;
  --muted: #9fc1cf;
  --cyan: #4efedc;
  --gold: #ffee32;
  --danger: #ff4d6d;
}

.index-page {
  min-height: 100vh;
  margin: 0;
  background:
    radial-gradient(circle at 18% 0%, rgba(78, 254, 220, 0.18), transparent 30%),
    radial-gradient(circle at 90% 10%, rgba(255, 238, 50, 0.16), transparent 28%),
    linear-gradient(180deg, #0a1730, var(--bg) 58%, #030713);
  color: var(--text);
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
}

.site-header,
.hero,
.section,
.site-footer {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 18px 0;
}

.brand-mark,
.site-nav,
.cta-row,
.badge-row {
  display: flex;
  align-items: center;
}

.brand-mark {
  gap: 10px;
  color: var(--text);
  text-decoration: none;
  font-weight: 900;
}

.brand-mark img {
  width: 46px;
  height: 46px;
  object-fit: contain;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.08);
}

.site-nav {
  gap: 18px;
}

.site-nav a,
.site-footer a {
  color: var(--muted);
  text-decoration: none;
  font-weight: 800;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(320px, 0.92fr);
  gap: 28px;
  align-items: center;
  min-height: calc(100vh - 92px);
  padding: 34px 0 60px;
}

.hero-copy h1,
.section h2 {
  margin: 0;
  color: var(--text);
  letter-spacing: 0;
}

.hero-copy h1 {
  max-width: 10ch;
  font-size: clamp(54px, 9vw, 104px);
  line-height: 0.9;
}

.hero-lede {
  max-width: 680px;
  margin: 22px 0;
  color: var(--muted);
  font-size: 20px;
  line-height: 1.55;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--cyan);
  font-size: 13px;
  font-weight: 1000;
  letter-spacing: 0;
  text-transform: uppercase;
}

.badge-row {
  flex-wrap: wrap;
  gap: 10px;
  margin: 20px 0;
}

.badge-row span,
.backend-status {
  display: inline-flex;
  min-height: 34px;
  align-items: center;
  border: 1px solid rgba(78, 254, 220, 0.25);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.07);
  color: var(--text);
  padding: 0 12px;
  font-size: 13px;
  font-weight: 900;
}

.backend-status {
  margin-top: 18px;
  color: var(--muted);
}

.backend-status.online {
  color: var(--cyan);
}

.backend-status.offline {
  color: #ffd7df;
  border-color: rgba(255, 77, 109, 0.35);
}

.cta-row {
  flex-wrap: wrap;
  gap: 12px;
}

.cta-row.compact {
  justify-content: flex-start;
}

.btn {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  border-radius: 16px;
  padding: 0 18px;
  text-decoration: none;
  font-weight: 1000;
}

.btn.primary {
  background: linear-gradient(135deg, var(--cyan), var(--gold));
  color: #061018;
}

.btn.secondary {
  border: 1px solid rgba(78, 254, 220, 0.28);
  background: var(--panel);
  color: var(--text);
}

.btn.ghost {
  border: 1px solid rgba(255, 255, 255, 0.13);
  background: rgba(255, 255, 255, 0.07);
  color: var(--text);
}

.hero-stage {
  position: relative;
  min-height: 520px;
  border: 1px solid rgba(78, 254, 220, 0.22);
  border-radius: 28px;
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(2, 8, 18, 0.04), rgba(2, 8, 18, 0.66)),
    url("../images/background.png") center / cover;
  box-shadow: 0 28px 90px rgba(0, 0, 0, 0.45);
}

.ninja-art {
  position: absolute;
  left: 14%;
  bottom: 8%;
  width: min(56%, 300px);
  filter: drop-shadow(0 20px 30px rgba(0, 0, 0, 0.55));
}

.food-art {
  position: absolute;
  width: 72px;
  filter: drop-shadow(0 12px 22px rgba(0, 0, 0, 0.5));
}

.food-art.carrot { top: 12%; right: 18%; }
.food-art.broccoli { top: 31%; left: 10%; }
.food-art.corn { right: 8%; bottom: 32%; }
.food-art.burger { right: 28%; bottom: 12%; }

.section {
  margin-bottom: 24px;
  padding: 34px;
  border: 1px solid rgba(78, 254, 220, 0.18);
  border-radius: 28px;
  background: linear-gradient(180deg, var(--panel), rgba(5, 12, 26, 0.78));
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.28);
}

.section h2 {
  font-size: clamp(30px, 5vw, 54px);
  line-height: 1;
}

.section p {
  color: var(--muted);
  font-size: 18px;
  line-height: 1.58;
}

.split,
.sync-panel,
.leaderboard-callout {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1fr);
  gap: 24px;
  align-items: center;
}

.score-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-top: 22px;
}

.score-card {
  min-height: 118px;
  padding: 18px;
  border-radius: 18px;
  background: var(--panel-2);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.score-card span,
.site-footer p {
  color: var(--muted);
}

.score-card strong {
  display: block;
  margin-top: 10px;
  color: var(--gold);
  font-size: 22px;
}

.score-card.good {
  border-color: rgba(78, 254, 220, 0.28);
}

.score-card.bad {
  border-color: rgba(255, 77, 109, 0.3);
}

.score-card.life {
  border-color: rgba(255, 238, 50, 0.35);
}

.final-cta {
  text-align: center;
}

.final-cta .cta-row {
  justify-content: center;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 24px 0 36px;
}

.site-footer div {
  display: flex;
  gap: 18px;
}

@media (max-width: 820px) {
  .site-header,
  .site-footer,
  .site-nav,
  .split,
  .sync-panel,
  .leaderboard-callout,
  .hero {
    display: block;
  }

  .site-nav {
    margin-top: 14px;
  }

  .site-nav a {
    display: inline-block;
    margin: 0 14px 10px 0;
  }

  .hero {
    min-height: auto;
  }

  .hero-stage {
    min-height: 360px;
    margin-top: 28px;
  }

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

  .site-footer div {
    margin-top: 10px;
  }
}

@media (max-width: 520px) {
  .site-header,
  .hero,
  .section,
  .site-footer {
    width: min(100% - 22px, 1120px);
  }

  .hero-copy h1 {
    font-size: 56px;
  }

  .hero-lede,
  .section p {
    font-size: 16px;
  }

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