/*
 * Shared styling for the standalone static pages (/about, /privacy, /terms).
 *
 * These pages are deliberately plain HTML with no JavaScript: OAuth reviewers,
 * crawlers and link previews must be able to read them with scripting off.
 */

:root {
  --bg: #ffffff;
  --surface: #f6f8fb;
  --border: #dbe3ee;
  --fg: #1d2b45;
  --fg-strong: #0b1220;
  --muted: #5b6b85;
  --accent: #0e7490;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #080e1a;
    --surface: rgba(255, 255, 255, 0.03);
    --border: rgba(255, 255, 255, 0.1);
    --fg: #cbd9ea;
    --fg-strong: #ffffff;
    --muted: #8298b8;
    --accent: #67e8f9;
    color-scheme: dark;
  }
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0 1.25rem 5rem;
  background: var(--bg);
  color: var(--fg);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, 'Segoe UI', sans-serif;
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

.wrap {
  max-width: 46rem;
  margin: 0 auto;
}

/* Header */

.site-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--border);
  margin-bottom: 3rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: inherit;
}

.mark {
  display: grid;
  place-items: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 0.75rem;
  background: linear-gradient(135deg, #22d3ee, #0891b2);
  color: #080e1a;
  font-size: 0.8rem;
  font-weight: 700;
}

.brand-text strong {
  display: block;
  color: var(--fg-strong);
  font-size: 0.95rem;
  font-weight: 600;
}

.brand-text span {
  display: block;
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  font-size: 0.9rem;
}

/* Type */

h1 {
  margin: 0 0 0.5rem;
  color: var(--fg-strong);
  font-size: clamp(2rem, 5vw, 2.6rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.15;
}

h2 {
  margin: 3rem 0 1rem;
  padding-top: 1.75rem;
  border-top: 1px solid var(--border);
  color: var(--fg-strong);
  font-size: 1.3rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

h3 {
  margin: 2rem 0 0.5rem;
  color: var(--fg-strong);
  font-size: 1.03rem;
  font-weight: 600;
}

.lede {
  margin: 0 0 2rem;
  font-size: 1.1rem;
  color: var(--fg);
}

.meta {
  margin: 0 0 2.5rem;
  font-size: 0.85rem;
  color: var(--muted);
}

p,
li {
  color: var(--fg);
}

ul,
ol {
  padding-left: 1.25rem;
}

li {
  margin-bottom: 0.5rem;
}

a {
  color: var(--accent);
  text-underline-offset: 0.2em;
}

a:hover {
  text-decoration: none;
}

code {
  padding: 0.1em 0.4em;
  border: 1px solid var(--border);
  border-radius: 0.35rem;
  background: var(--surface);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.85em;
  word-break: break-all;
}

/* Blocks */

.card {
  padding: 1.5rem;
  border: 1px solid var(--border);
  border-radius: 1rem;
  background: var(--surface);
}

.card h3:first-child {
  margin-top: 0;
}

.card p:last-child,
.card ul:last-child {
  margin-bottom: 0;
}

dl.facts {
  display: grid;
  gap: 0.85rem 1.5rem;
  margin: 0;
  grid-template-columns: max-content 1fr;
}

dl.facts dt {
  color: var(--muted);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

dl.facts dd {
  margin: 0;
  color: var(--fg-strong);
}

table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0;
  font-size: 0.92rem;
}

th,
td {
  padding: 0.7rem 0.6rem;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
}

th {
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.table-scroll {
  overflow-x: auto;
}

/* Footer */

.site-foot {
  margin-top: 4rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.85rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
  justify-content: space-between;
}

@media (max-width: 30rem) {
  dl.facts {
    grid-template-columns: 1fr;
    gap: 0.25rem;
  }

  dl.facts dd {
    margin-bottom: 0.75rem;
  }
}