/*
 * Color palette: Radix Colors dark scale (pinned 2025-05-20)
 * Source: https://www.radix-ui.com/colors
 * Slate (background/text), Blue 9 (primary), Green 9 (accent)
 *
 * WCAG AA contrast vs --slate-1 (#111113):
 *   --slate-12 #edeef0  → 16.4:1  ✓ body text
 *   --blue-9   #0090ff  →  5.8:1  ✓ interactive
 *   --green-9  #30a46c  →  6.1:1  ✓ accent
 */
:root {
  --slate-1:  #111113;
  --slate-2:  #19191b;
  --slate-6:  #2d2f36;
  --slate-11: #b0b4ba;
  --slate-12: #edeef0;
  --blue-9:   #0090ff;
  --blue-10:  #3b9eff;
  --green-9:  #30a46c;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background-color: var(--slate-1);
  color: var(--slate-12);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
               "Helvetica Neue", Arial, sans-serif;
  font-size: 1rem;
  line-height: 1.7;
  min-height: 100vh;
}

.container {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

a {
  color: var(--blue-9);
  text-decoration: none;
}

a:hover {
  color: var(--blue-10);
  text-decoration: underline;
}

/* ── Hero ─────────────────────────────────────────────────── */

.hero {
  padding: 5rem 0 4rem;
  border-bottom: 1px solid var(--slate-6);
}

.wordmark {
  font-size: clamp(2rem, 6vw, 3.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--slate-12);
  line-height: 1.1;
}

.tagline {
  margin-top: 1rem;
  font-size: 1.15rem;
  color: var(--slate-11);
}

/* ── Sections ─────────────────────────────────────────────── */

.section {
  padding: 3rem 0;
  border-bottom: 1px solid var(--slate-6);
}

.section:last-child {
  border-bottom: none;
  padding-bottom: 5rem;
}

.section h2 {
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--slate-12);
  margin-bottom: 1.25rem;
}

.section > p {
  color: var(--slate-11);
  max-width: 60ch;
}

/* ── Cards ────────────────────────────────────────────────── */

.cards {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 1rem;
}

.card {
  background: var(--slate-2);
  border: 1px solid var(--slate-6);
  border-radius: 8px;
  padding: 1.5rem;
}

.card h3 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--green-9);
  margin-bottom: 0.5rem;
}

.card p {
  font-size: 0.9rem;
  color: var(--slate-11);
  line-height: 1.6;
}

/* ── Policy ───────────────────────────────────────────────── */

.page-header {
  padding: 4rem 0 2.5rem;
  border-bottom: 1px solid var(--slate-6);
}

.page-header h1 {
  font-size: 2rem;
  font-weight: 700;
  color: var(--slate-12);
}

.policy-body {
  padding: 3rem 0 5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.policy-body p {
  color: var(--slate-11);
  max-width: 60ch;
}

/* ── 404 ──────────────────────────────────────────────────── */

.error-page {
  padding: 6rem 0;
  text-align: center;
}

.error-code {
  font-size: clamp(5rem, 20vw, 9rem);
  font-weight: 700;
  line-height: 1;
  color: var(--slate-6);
  margin-bottom: 1rem;
}

.error-page p {
  color: var(--slate-11);
  margin-bottom: 2rem;
}

/* ── Responsive ───────────────────────────────────────────── */

@media (max-width: 480px) {
  .hero {
    padding: 3rem 0 2.5rem;
  }

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