/* Chekea — hoja de estilos compartida para las páginas legales.
   Paleta tomada del tema de la app: primary #88BBFF, secondary #658DB7,
   beige #FDF6ED, gris oscuro #343434. Soporta claro/oscuro. */

:root {
  --brand-primary: #5A9EFF;
  --brand-primary-soft: #88BBFF;
  --brand-secondary: #658DB7;
  --bg: #fdf9f3;
  --surface: #ffffff;
  --text: #2b2b2b;
  --text-muted: #6b6b6b;
  --border: #e8e2d8;
  --code-bg: #f4efe6;
  --shadow: 0 1px 2px rgba(52, 52, 52, 0.06), 0 8px 24px rgba(52, 52, 52, 0.05);
  --radius: 16px;
  --maxw: 820px;
  --gradient: linear-gradient(135deg, #88BBFF 0%, #5A9EFF 100%);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1e1e1e;
    --surface: #2a2a2a;
    --text: #FDF6ED;
    --text-muted: #a8a29a;
    --border: #3d3d3d;
    --code-bg: #333333;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 8px 24px rgba(0, 0, 0, 0.25);
  }
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 90px; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica,
    Arial, sans-serif;
  line-height: 1.7;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--brand-primary); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---------- Barra superior ---------- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--border);
}
.topbar-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 12px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  color: var(--text);
  font-size: 1.05rem;
}
.brand:hover { text-decoration: none; }
.brand .wordmark {
  height: 22px;
  width: auto;
  display: block;
}
.brand .wordmark--dark { display: none; }
@media (prefers-color-scheme: dark) {
  .brand .wordmark--light { display: none; }
  .brand .wordmark--dark { display: block; }
}
.nav-links { display: flex; gap: 6px; }
.nav-links a {
  padding: 7px 14px;
  border-radius: 999px;
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 600;
  white-space: nowrap;
}
.nav-short { display: none; }
.nav-links a:hover { background: var(--code-bg); text-decoration: none; }
.nav-links a[aria-current="page"] {
  background: var(--brand-primary);
  color: #fff;
}

/* ---------- Layout ---------- */
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }

/* ---------- Hero (índice) ---------- */
.hero {
  text-align: center;
  padding: 72px 20px 48px;
}
.hero .logo-lg {
  height: 64px;
  width: auto;
  display: block;
  margin: 0 auto 28px;
}
.hero h1 { font-size: 2.4rem; margin: 0 0 12px; letter-spacing: -0.02em; }
.hero p { color: var(--text-muted); max-width: 540px; margin: 0 auto; font-size: 1.05rem; }

.cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin: 44px 0 24px;
}
.card {
  display: block;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
  color: var(--text);
}
.card:hover {
  transform: translateY(-3px);
  box-shadow: 0 4px 8px rgba(52, 52, 52, 0.08), 0 16px 40px rgba(52, 52, 52, 0.1);
  text-decoration: none;
}
.card .icon {
  display: inline-grid;
  place-items: center;
  width: 48px;
  height: 48px;
  margin-bottom: 16px;
  border-radius: 12px;
  color: var(--brand-primary);
  background: color-mix(in srgb, var(--brand-primary-soft) 16%, transparent);
}
.card .icon svg { width: 26px; height: 26px; }
.card h2 { margin: 0 0 8px; font-size: 1.25rem; }
.card p { margin: 0; color: var(--text-muted); font-size: 0.95rem; }
.card .go { display: inline-block; margin-top: 16px; color: var(--brand-primary); font-weight: 600; font-size: 0.9rem; }

/* ---------- Documento legal ---------- */
.doc { padding-top: 48px; padding-bottom: 80px; }
.doc-header { margin-bottom: 36px; }
.doc-header h1 { font-size: 2.1rem; margin: 0 0 10px; letter-spacing: -0.02em; }
.doc-header .lead { color: var(--text-muted); margin: 0 0 16px; font-size: 1.05rem; }
.revised {
  display: inline-block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--brand-secondary);
  background: color-mix(in srgb, var(--brand-primary-soft) 18%, transparent);
  padding: 5px 12px;
  border-radius: 999px;
}

.toc {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px 26px;
  margin-bottom: 40px;
  box-shadow: var(--shadow);
}
.toc h2 { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-muted); margin: 0 0 14px; }
.toc ol { margin: 0; padding-left: 20px; columns: 2; column-gap: 32px; }
.toc li { margin-bottom: 7px; break-inside: avoid; }
.toc a { color: var(--text); font-size: 0.92rem; }

.doc-body h2 {
  font-size: 1.5rem;
  margin: 48px 0 14px;
  padding-top: 12px;
  letter-spacing: -0.01em;
  scroll-margin-top: 84px;
}
.doc-body h3 { font-size: 1.15rem; margin: 30px 0 10px; color: var(--brand-secondary); }
.doc-body h4 { font-size: 1rem; margin: 22px 0 8px; }
.doc-body p { margin: 0 0 16px; }
.doc-body ul { margin: 0 0 18px; padding-left: 22px; }
.doc-body li { margin-bottom: 9px; }
.doc-body strong { font-weight: 700; }

.callout {
  background: color-mix(in srgb, var(--brand-primary-soft) 12%, var(--surface));
  border-left: 4px solid var(--brand-primary);
  border-radius: 10px;
  padding: 16px 20px;
  margin: 20px 0;
}
.callout p:last-child { margin-bottom: 0; }

.section-lead {
  border-top: 2px solid var(--border);
  margin-top: 56px;
}

.contact-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 26px;
  margin: 32px 0;
  box-shadow: var(--shadow);
}
.contact-box p { margin: 4px 0; }

dl.defs dt { font-weight: 700; margin-top: 18px; }
dl.defs dd { margin: 4px 0 0; color: var(--text-muted); }

.back-top { display: inline-block; margin-top: 40px; font-size: 0.9rem; font-weight: 600; }

/* ---------- Footer ---------- */
.footer {
  border-top: 1px solid var(--border);
  padding: 32px 20px;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.88rem;
}
.footer a { color: var(--text-muted); }
.footer .footer-links { margin-bottom: 8px; }
.footer .footer-links a { margin: 0 10px; font-weight: 600; }

/* ---------- Responsive ---------- */
@media (max-width: 680px) {
  body { font-size: 16px; }
  .hero { padding: 48px 20px 32px; }
  .hero h1 { font-size: 1.9rem; }
  .cards { grid-template-columns: 1fr; }
  .toc ol { columns: 1; }
  .doc-header h1 { font-size: 1.7rem; }
  .nav-links { gap: 4px; }
  .nav-links a { padding: 6px 12px; font-size: 0.85rem; }
  .nav-full { display: none; }
  .nav-short { display: inline; }
}