/*
 * Kitom · páginas públicas (GitHub Pages). Sin scripts ni recursos externos.
 * Colores y tipografía de docs/design (frontend/src/theme/tokens.ts): tema claro y oscuro según el sistema.
 */

@font-face {
  font-family: 'Hanken Grotesk';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('fonts/HankenGrotesk_400Regular.ttf') format('truetype');
}

@font-face {
  font-family: 'Hanken Grotesk';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url('fonts/HankenGrotesk_600SemiBold.ttf') format('truetype');
}

:root {
  color-scheme: light dark;
  --bg: #f2f5f3;
  --surface: #ffffff;
  --surface-sunken: #e6ece9;
  --surface-brand: #dcebe6;
  --ink: #0f2a29;
  --ink-muted: #566a67;
  --line: #dae4e0;
  --primary: #1f6f6b;
  --primary-pressed: #185956;
  --on-primary: #ffffff;
  --accent: #f2b441;
  --focus-ring: #1f6f6b;
  --vet-bg: #fbe2d5;
  --vet-fg: #9a3412;
  --shadow: 0 1px 2px rgba(15, 42, 41, 0.06), 0 2px 8px rgba(15, 42, 41, 0.06);
  --radius-md: 12px;
  --radius-lg: 16px;
  --font: 'Hanken Grotesk', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --mono: ui-monospace, 'IBM Plex Mono', SFMono-Regular, Menlo, Consolas, monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0c1918;
    --surface: #152624;
    --surface-sunken: #0a1413;
    --surface-brand: #17332f;
    --ink: #e6efec;
    --ink-muted: #9db2ae;
    --line: #24403c;
    --primary: #6cc0b4;
    --primary-pressed: #8dd0c6;
    --on-primary: #06201e;
    --focus-ring: #6cc0b4;
    --vet-bg: #3a1f14;
    --vet-fg: #f5a783;
    --shadow: 0 0 0 1px #24403c;
  }
}

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

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.6;
  overflow-wrap: break-word;
}

.skip-link {
  position: absolute;
  left: 16px;
  top: -100px;
  padding: 8px 12px;
  border-radius: var(--radius-md);
  background: var(--primary);
  color: var(--on-primary);
  font-weight: 600;
  z-index: 10;
}

.skip-link:focus {
  top: 12px;
}

a {
  color: var(--primary);
  font-weight: 600;
  text-underline-offset: 3px;
}

a:hover {
  color: var(--primary-pressed);
}

a:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 3px;
  border-radius: 4px;
}

.wrap {
  width: 100%;
  max-width: 760px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Cabecera */
.site-header {
  border-bottom: 1px solid var(--line);
  background: var(--surface);
}

.site-header .wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 24px;
  padding-top: 16px;
  padding-bottom: 16px;
}

.logo {
  display: inline-flex;
  align-items: center;
}

.logo img {
  display: block;
  height: 32px;
  width: auto;
}

.site-nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0 18px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-nav li + li {
  margin-top: 0;
}

.site-nav a {
  display: inline-block;
  padding: 11px 0;
  min-height: 44px;
  font-size: 0.95rem;
  text-decoration: none;
}

.site-nav a[aria-current='page'] {
  color: var(--ink);
  text-decoration: underline;
  text-decoration-thickness: 2px;
}

.site-nav .lang {
  color: var(--ink-muted);
}

/* Contenido */
main {
  padding: 32px 0 48px;
}

h1,
h2,
h3 {
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: -0.01em;
}

h1 {
  margin: 0 0 8px;
  font-size: clamp(1.75rem, 1.4rem + 1.6vw, 2.25rem);
}

h2 {
  margin: 40px 0 12px;
  font-size: 1.35rem;
  scroll-margin-top: 16px;
}

h3 {
  margin: 24px 0 8px;
  font-size: 1.1rem;
}

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

ul,
ol {
  padding-left: 1.4em;
}

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

.meta {
  margin: 0 0 24px;
  color: var(--ink-muted);
  font-family: var(--mono);
  font-size: 0.85rem;
}

.lead {
  font-size: 1.125rem;
  color: var(--ink-muted);
}

.card {
  margin: 0 0 24px;
  padding: 16px 20px;
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.card > :last-child {
  margin-bottom: 0;
}

.card.brand {
  background: var(--surface-brand);
  box-shadow: none;
}

.card.notice {
  background: var(--vet-bg);
  color: var(--ink);
  box-shadow: none;
}

.card.notice strong {
  color: var(--vet-fg);
}

.toc h2 {
  margin-top: 0;
  font-size: 1rem;
}

.toc ol {
  margin: 0;
  columns: 2 220px;
  column-gap: 24px;
}

.toc li {
  break-inside: avoid;
}

.table-scroll {
  overflow-x: auto;
  margin: 0 0 16px;
  -webkit-overflow-scrolling: touch;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}

caption {
  text-align: left;
  padding-bottom: 8px;
  color: var(--ink-muted);
}

th,
td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

th {
  font-weight: 600;
  background: var(--surface-sunken);
}

.steps {
  counter-reset: step;
  list-style: none;
  padding-left: 0;
}

.steps li {
  position: relative;
  padding-left: 44px;
  min-height: 32px;
}

.steps li::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--surface-brand);
  color: var(--primary);
  font-weight: 600;
  text-align: center;
  line-height: 30px;
}

.links {
  display: grid;
  gap: 12px;
  padding: 0;
  list-style: none;
}

.links li + li {
  margin-top: 0;
}

.links a {
  display: block;
  padding: 16px 20px;
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow);
  text-decoration: none;
}

.links a span {
  display: block;
  color: var(--ink-muted);
  font-weight: 400;
  font-size: 0.95rem;
}

.dot {
  display: inline-block;
  width: 0.5em;
  height: 0.5em;
  margin-left: 0.15em;
  border-radius: 50%;
  background: var(--accent);
  vertical-align: baseline;
}

/* Pie */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 24px 0 40px;
  color: var(--ink-muted);
  font-size: 0.9rem;
}

.site-footer p {
  margin: 0 0 8px;
}

@media print {
  .site-nav,
  .skip-link {
    display: none;
  }

  body {
    background: #fff;
    color: #000;
  }
}