:root {
  --page-bg: #09111f;
  --page-bg-accent: #1c2d4b;
  --card-bg: rgba(8, 13, 24, 0.84);
  --card-border: rgba(149, 186, 255, 0.18);
  --text-main: #eef4ff;
  --text-muted: #aab7d1;
  --accent: #74d7ff;
  --accent-strong: #9d70ff;
  --link: #9dd9ff;
  --link-hover: #ffffff;
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.34);
  --radius-lg: 24px;
  --radius-md: 14px;
}

* {
  box-sizing: border-box;
}

html {
  color-scheme: dark;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Avenir Next", Avenir, "Segoe UI", sans-serif;
  line-height: 1.6;
  color: var(--text-main);
  background:
    radial-gradient(circle at top right, rgba(157, 112, 255, 0.24), transparent 28%),
    radial-gradient(circle at bottom left, rgba(116, 215, 255, 0.16), transparent 34%),
    linear-gradient(145deg, var(--page-bg), var(--page-bg-accent));
}

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

a:hover {
  color: var(--link-hover);
}

.page-shell {
  width: min(100%, 980px);
  margin: 0 auto;
  padding: 24px 20px 48px;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 20px;
}

.brand {
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--text-main);
}

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

.site-nav a {
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  text-decoration: none;
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.04);
}

.site-nav a[aria-current="page"] {
  border-color: rgba(116, 215, 255, 0.34);
  background: rgba(116, 215, 255, 0.1);
}

.content-card {
  padding: 32px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--card-border);
  background: var(--card-bg);
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow);
}

.eyebrow {
  margin: 0 0 8px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
}

h1,
h2,
h3 {
  line-height: 1.2;
}

h1 {
  margin: 0 0 20px;
  font-size: clamp(2rem, 4vw, 3rem);
}

h2 {
  margin-top: 32px;
  font-size: 1.3rem;
}

h3 {
  margin-top: 22px;
  font-size: 1.05rem;
}

p,
ul,
ol {
  margin: 0 0 16px;
}

li + li {
  margin-top: 6px;
}

strong {
  color: #ffffff;
}

blockquote,
.callout {
  margin: 20px 0;
  padding: 16px 18px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(157, 112, 255, 0.24);
  background: rgba(157, 112, 255, 0.08);
}

.doc-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 16px;
  margin: 28px 0;
}

.doc-link {
  display: block;
  padding: 18px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.08);
  text-decoration: none;
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.03);
  transition: transform 140ms ease, border-color 140ms ease, background 140ms ease;
}

.doc-link:hover {
  transform: translateY(-1px);
  border-color: rgba(116, 215, 255, 0.38);
  background: rgba(116, 215, 255, 0.08);
}

.doc-link strong {
  display: block;
  margin-bottom: 6px;
  font-size: 1.05rem;
}

.site-footer {
  margin-top: 18px;
  color: var(--text-muted);
  font-size: 0.92rem;
}

code {
  font-family: "SFMono-Regular", Menlo, Consolas, monospace;
  font-size: 0.95em;
}

@media (max-width: 720px) {
  .page-shell {
    padding: 18px 14px 28px;
  }

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

  .content-card {
    padding: 22px 18px;
  }
}