:root {
  color-scheme: light;
  --ink: #202124;
  --muted: #5f6368;
  --line: #dadce0;
  --accent: #6750a4;
  --surface: #fff;
  --canvas: #f8f7fb;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--canvas);
  color: var(--ink);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.7;
}

a { color: #4e2f86; text-underline-offset: 0.16em; }
a:hover { color: #31135f; }
a:focus-visible, .skip-link:focus { outline: 3px solid #146c94; outline-offset: 3px; }

.skip-link { position: fixed; top: 0.5rem; left: 0.5rem; transform: translateY(-200%); background: var(--surface); padding: 0.5rem 0.8rem; z-index: 2; }
.skip-link:focus { transform: translateY(0); }

.site-header { background: var(--surface); border-bottom: 1px solid var(--line); }
.header-inner, .document, .site-footer { width: min(100% - 2rem, 52rem); margin-inline: auto; }
.header-inner { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 0.75rem 1.5rem; padding: 1rem 0; align-items: center; }
.brand { margin: 0; font-size: 1.1rem; font-weight: 750; letter-spacing: 0.04em; }
.languages { display: flex; flex-wrap: wrap; gap: 0.25rem 0.85rem; font-size: 0.9rem; }
.languages span { color: var(--muted); font-weight: 700; }

.document { margin-block: 2rem 3rem; padding: clamp(1.25rem, 4vw, 3rem); background: var(--surface); border: 1px solid var(--line); border-radius: 0.75rem; box-shadow: 0 1px 2px rgb(32 33 36 / 6%); }
h1, h2, h3 { line-height: 1.3; color: #17121e; }
h1 { margin: 0 0 1.75rem; font-size: clamp(1.8rem, 5vw, 2.45rem); }
h2 { margin: 2.4rem 0 0.8rem; font-size: 1.35rem; scroll-margin-top: 1rem; }
h3 { margin: 1.6rem 0 0.5rem; font-size: 1.1rem; }
p { margin: 0.85rem 0; }
ul { margin: 0.7rem 0 1rem; padding-left: 1.35rem; }
li + li { margin-top: 0.35rem; }
strong { font-weight: 700; }
code { padding: 0.1em 0.3em; background: #f1eef7; border-radius: 0.2rem; }
.site-footer { padding: 0 0 2rem; color: var(--muted); font-size: 0.875rem; }
.site-footer p { margin: 0; }

.landing { width: min(100% - 2rem, 38rem); margin: 15vh auto; padding: clamp(1.5rem, 5vw, 3rem); background: var(--surface); border: 1px solid var(--line); border-radius: 0.75rem; }
.landing h1 { margin: 0.5rem 0; }
.landing > p:not(.brand) { color: var(--muted); }
.document-links { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.75rem; margin-top: 2rem; }
.document-links section { padding: 1rem; border: 1px solid var(--line); border-radius: 0.5rem; }
.document-links h2 { margin: 0 0 0.7rem; font-size: 1rem; }
.document-links a { display: block; padding: 0.9rem 1rem; border: 1px solid var(--line); border-radius: 0.5rem; font-weight: 700; text-decoration: none; }
.document-links a + a { margin-top: 0.5rem; }
.document-links a:hover { background: #f4f0fb; }

@media (max-width: 34rem) {
  .header-inner { align-items: flex-start; }
  .document { width: 100%; margin-block: 0; border-inline: 0; border-radius: 0; }
  .document-links { grid-template-columns: 1fr; }
}