:root {
  --bg: #ffffff;
  --surface: #f3f6fb;
  --fg: #0f1b2d;
  --muted: #4a5a72;
  --border: #d6deea;
  --accent: #0b2d63;
  --accent-fg: #ffffff;
  --link: #0b3f8f;
  --stripe-a: #0b2d63;
  --stripe-b: #ffffff;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0a1220;
    --surface: #111c30;
    --fg: #e6ecf5;
    --muted: #a3b1c6;
    --border: #233350;
    --accent: #8fb4ff;
    --accent-fg: #0a1220;
    --link: #a9c5ff;
    --stripe-a: #1b4a9c;
    --stripe-b: #e6ecf5;
    color-scheme: dark;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 1.0625rem;
  line-height: 1.65;
}

/* Franja con las rayas de la camiseta */
.stripes {
  height: 10px;
  background: repeating-linear-gradient(90deg, var(--stripe-a) 0 24px, var(--stripe-b) 24px 48px);
  border-bottom: 1px solid var(--border);
}

.wrap {
  max-width: 44rem;
  margin: 0 auto;
  padding-inline: 16px;
}

header.site {
  padding-block: 20px;
}

.brand {
  color: var(--fg);
  font-weight: 700;
  letter-spacing: 0.01em;
  text-decoration: none;
}

main {
  padding-block: 24px 48px;
}

h1 {
  font-size: clamp(1.9rem, 5vw, 2.6rem);
  line-height: 1.15;
  margin: 0 0 16px;
}

h2 {
  font-size: 1.25rem;
  margin: 36px 0 8px;
}

p,
ul {
  margin: 0 0 14px;
}

ul {
  padding-left: 1.25rem;
}

li {
  margin-bottom: 6px;
}

a {
  color: var(--link);
  text-underline-offset: 2px;
}

.lead {
  font-size: 1.2rem;
  color: var(--muted);
}

.updated {
  color: var(--muted);
  font-size: 0.95rem;
}

.note {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 16px;
}

.links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.button {
  display: inline-block;
  padding: 10px 18px;
  border-radius: 999px;
  background: var(--accent);
  color: var(--accent-fg);
  font-weight: 600;
  text-decoration: none;
}

.button.secondary {
  background: transparent;
  color: var(--fg);
  border: 1px solid var(--border);
}

footer.site {
  border-top: 1px solid var(--border);
  padding-block: 24px 40px;
  color: var(--muted);
  font-size: 0.95rem;
}

footer.site nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  margin-bottom: 10px;
}