/* Nurturly Docs — same brand tokens as landing/styles.css, but unlike the
   landing page (a deliberate single light identity), this is a reference
   site people read for a while, so it follows the OS dark-mode preference
   like the dashboard does. */

:root {
  --paper: #ffffff;
  --paper-sunk: #f9f9f7;
  --paper-raised: #ffffff;
  --ink: #0b0b0b;
  --ink-dim: #52514e;
  --ink-muted: #898781;
  --line: #e4e3dd;
  --line-strong: #d3d2cb;

  --orange: #ff751f;
  --orange-dark: #d95f11;
  --orange-soft: #fff0e5;

  --hero-bg: #0a0a12;

  --font-display: -apple-system, "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  --font-body: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: ui-monospace, "SFMono-Regular", "JetBrains Mono", Consolas, monospace;

  --shadow-sm: 0 1px 2px rgba(11, 11, 11, 0.05), 0 1px 1px rgba(11, 11, 11, 0.04);
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper: #0a0a12;
    --paper-sunk: #111019;
    --paper-raised: #14131d;
    --ink: #f3f1eb;
    --ink-dim: #b7b2a6;
    --ink-muted: #7d7869;
    --line: #26242f;
    --line-strong: #33313d;
    --orange: #ff8a3d;
    --orange-dark: #ffa563;
    --orange-soft: #2b1d10;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--orange-dark); }

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ---------- Layout ---------- */

.docs-shell {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  min-height: 100vh;
}

.docs-sidebar {
  border-right: 1px solid var(--line);
  padding: 20px 16px 40px;
  background: var(--paper-sunk);
}

.docs-logo {
  display: flex;
  align-items: center;
  margin-bottom: 8px;
  padding: 4px;
}

.docs-logo img { height: 34px; width: auto; display: block; }
.docs-logo img.dark { display: none; }
@media (prefers-color-scheme: dark) {
  .docs-logo img.light { display: none; }
  .docs-logo img.dark { display: block; }
}

.docs-eyebrow {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin: 4px 4px 16px;
}

.docs-nav {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.docs-nav a {
  display: block;
  padding: 8px 10px;
  border-radius: 8px;
  font-size: 0.9rem;
  color: var(--ink-dim);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: background 0.15s ease, color 0.15s ease;
}

.docs-nav a:hover { background: var(--line); color: var(--ink); }

.docs-nav a.active {
  color: var(--orange-dark);
  font-weight: 600;
  background: var(--orange-soft);
  border-left-color: var(--orange);
}

.docs-back {
  display: block;
  margin-top: 24px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  font-size: 0.82rem;
  color: var(--ink-muted);
  text-decoration: none;
}
.docs-back:hover { color: var(--ink-dim); }

.docs-content {
  min-width: 0;
  padding: 48px clamp(20px, 5vw, 64px) 96px;
}

.docs-content-inner { max-width: 700px; }

.docs-eyebrow-page {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--orange-dark);
  margin-bottom: 8px;
}

.docs-content h1 { font-size: clamp(1.7rem, 4vw, 2.2rem); margin: 0 0 12px; }
.docs-content .lede { font-size: 1.05rem; color: var(--ink-dim); margin: 0 0 40px; max-width: 60ch; }

.docs-content h2 { font-size: 1.3rem; margin: 44px 0 8px; }
.docs-content h2:first-of-type { margin-top: 0; }
.docs-content h3 { font-size: 1.05rem; margin: 28px 0 6px; }
.docs-content p { margin: 10px 0; max-width: 68ch; }
.docs-content ul, .docs-content ol { margin: 10px 0; padding-left: 22px; max-width: 66ch; }
.docs-content li { margin: 6px 0; }
.docs-content strong { color: var(--ink); }

.docs-card {
  background: var(--paper-raised);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 18px 20px;
  margin: 16px 0;
  box-shadow: var(--shadow-sm);
}

.docs-card h3 { margin-top: 0; }

.docs-note {
  display: flex;
  gap: 10px;
  background: var(--orange-soft);
  border: 1px solid color-mix(in oklab, var(--orange) 30%, var(--line));
  border-radius: 10px;
  padding: 12px 16px;
  margin: 20px 0;
  font-size: 0.92rem;
}

.docs-faq-item {
  border-bottom: 1px solid var(--line);
  padding: 18px 0;
}
.docs-faq-item:last-child { border-bottom: none; }
.docs-faq-item h3 { margin: 0 0 6px; font-size: 1rem; }

.docs-footer {
  grid-column: 1 / -1;
  border-top: 1px solid var(--line);
  padding: 20px clamp(20px, 5vw, 64px);
  font-size: 0.8rem;
  color: var(--ink-muted);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}

@media (max-width: 760px) {
  .docs-shell { grid-template-columns: 1fr; }
  .docs-sidebar {
    border-right: none;
    border-bottom: 1px solid var(--line);
    padding: 16px;
  }
  .docs-nav { flex-direction: row; flex-wrap: wrap; gap: 6px; }
  .docs-nav a { padding: 6px 10px; border-left: none; border-radius: 999px; border: 1px solid var(--line); }
  .docs-nav a.active { border-color: var(--orange); }
  .docs-back { display: none; }
  .docs-content { padding: 32px 20px 64px; }
}