:root {
  --bg: #08131f;
  --bg-deep: #061019;
  --panel: rgba(10, 25, 39, 0.72);
  --panel-strong: rgba(12, 31, 48, 0.92);
  --line: rgba(163, 214, 255, 0.12);
  --text: #f5fbff;
  --muted: #a9c0d0;
  --accent: #5fd3ff;
  --accent-warm: #ffbf5a;
  --accent-hot: #ff7b5c;
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.34);
  --radius-xl: 28px;
  --radius-lg: 20px;
  --radius-md: 14px;
}

* {
  box-sizing: border-box;
}

html {
  color-scheme: dark;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Avenir Next", "Segoe UI Variable", "SF Pro Display", "Helvetica Neue", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(95, 211, 255, 0.24), transparent 36%),
    radial-gradient(circle at 82% 18%, rgba(255, 123, 92, 0.20), transparent 28%),
    linear-gradient(180deg, #0a1623 0%, #07111b 48%, #040c14 100%);
}

a {
  color: inherit;
}

img {
  max-width: 100%;
  height: auto;
}

.page-shell {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 20px 0 32px;
}

.site-header {
  position: sticky;
  top: 12px;
  z-index: 20;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px 18px;
  margin-bottom: 28px;
  background: rgba(5, 14, 23, 0.74);
  backdrop-filter: blur(18px);
  border: 1px solid var(--line);
  border-radius: 999px;
  box-shadow: var(--shadow);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  text-decoration: none;
  letter-spacing: 0.01em;
}

.brand-icon {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.site-nav a {
  padding: 10px 14px;
  border-radius: 999px;
  text-decoration: none;
  color: var(--muted);
  text-align: center;
}

.site-nav a[aria-current="page"],
.site-nav a:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.06);
}

.hero,
.section-grid,
.wide-card,
.document-layout {
  margin-bottom: 24px;
}

.hero {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 22px;
  align-items: stretch;
}

.hero-copy,
.hero-card,
.content-card,
.wide-card,
.document-card,
.notice-banner {
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background: var(--panel);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow);
}

.hero-copy {
  padding: 34px;
}

.hero-copy h1,
.document-hero h1 {
  margin: 0 0 14px;
  font-size: clamp(2rem, 2vw);
  line-height: 0.96;
  letter-spacing: -0.04em;
}

.hero-text,
.document-hero p,
.content-card p,
.metric-card p,
.wide-card p,
.document-card p,
.document-card li,
.notice-banner {
  color: var(--muted);
  font-size: 1.02rem;
  line-height: 1.7;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.78rem;
  font-weight: 800;
}

.hero-actions,
.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-actions {
  margin: 24px 0 18px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 18px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 700;
}

.button.primary {
  background: linear-gradient(135deg, var(--accent), #8ef7de);
  color: #041019;
}

.button.secondary {
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.05);
}

.tag,
.pill {
  display: inline-flex;
  align-items: center;
  padding: 8px 12px;
  border-radius: 999px;
  font-size: 0.86rem;
  font-weight: 700;
}

.tag {
  background: rgba(255, 255, 255, 0.06);
  color: var(--muted);
}

.pill.good {
  background: rgba(95, 211, 255, 0.16);
  color: var(--accent);
}

.pill.warm {
  background: rgba(255, 191, 90, 0.16);
  color: var(--accent-warm);
}

.hero-card {
  padding: 24px;
  background:
    radial-gradient(circle at 85% 10%, rgba(95, 211, 255, 0.22), transparent 32%),
    linear-gradient(180deg, rgba(13, 31, 47, 0.98), rgba(7, 19, 31, 0.98));
}

.hero-card-top {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 20px;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.metric-card,
.step-card {
  padding: 18px;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.metric-title {
  display: block;
  margin-bottom: 10px;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.72rem;
  font-weight: 800;
}

.metric-card strong,
.content-card h2,
.wide-card h2,
.document-card h2,
.document-card h3 {
  display: block;
  margin: 0 0 10px;
  font-size: 1.28rem;
  line-height: 1.15;
}

.section-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}

.content-card,
.document-card {
  padding: 28px;
}

.accent-card {
  background:
    radial-gradient(circle at top right, rgba(255, 191, 90, 0.16), transparent 35%),
    var(--panel-strong);
}

.feature-list,
.document-list {
  margin: 14px 0 0;
  padding-left: 20px;
  color: var(--muted);
  line-height: 1.8;
}

.document-list.ordered {
  list-style: decimal;
}

.wide-card {
  display: grid;
  grid-template-columns: 1fr 0.95fr;
  gap: 20px;
  padding: 28px;
}

.publish-steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.step-card strong {
  display: inline-flex;
  width: 34px;
  height: 34px;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-warm), var(--accent-hot));
  color: #08131f;
}

.text-link {
  color: var(--accent);
  text-decoration: none;
  font-weight: 700;
}

.document-layout {
  display: grid;
  gap: 20px;
}

.document-hero {
  padding: 18px 2px 4px;
}

.document-hero h1 {
  font-size: clamp(2rem, 4vw, 3.6rem);
}

.notice-banner {
  padding: 16px 20px;
  color: var(--accent-warm);
  background: rgba(255, 191, 90, 0.10);
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 4px 0;
  color: var(--muted);
  font-size: 0.94rem;
}

code {
  padding: 2px 6px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.07);
  font-family: "SF Mono", "Menlo", "Consolas", monospace;
  font-size: 0.92em;
}

@media (max-width: 900px) {
  .hero,
  .section-grid,
  .wide-card {
    grid-template-columns: 1fr;
  }

  .site-header,
  .site-footer {
    position: static;
    border-radius: 24px;
    flex-direction: column;
    align-items: flex-start;
  }

  .site-nav {
    width: 100%;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
  }

  .hero-actions .button {
    flex: 1 1 220px;
  }

  .publish-steps,
  .metric-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .page-shell {
    width: min(100% - 16px, 1180px);
    padding-top: 10px;
    padding-bottom: 24px;
  }

  .hero-copy,
  .hero-card,
  .content-card,
  .wide-card,
  .document-card {
    padding: 20px;
  }

  .site-header {
    gap: 14px;
    padding: 14px;
  }

  .brand {
    width: 100%;
  }

  .site-nav {
    width: 100%;
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .hero-copy h1,
  .document-hero h1 {
    font-size: clamp(2rem, 2vw);
    line-height: 1.02;
  }

  .hero-actions {
    flex-direction: column;
  }

  .hero-actions .button,
  .site-nav a {
    width: 100%;
  }

  .site-footer {
    padding-bottom: 12px;
  }
}