@import url("/fonts/fonts.css");

:root {
  color-scheme: light dark;
  --ink: #1c2540;
  --ink-deep: #12182c;
  --sky: #3461c9;
  --sky-soft: #e7edfb;
  --bg: #ffffff;
  --text: var(--ink);
  --muted: #5b647a;
  --border: #e5e8f0;
  --surface: #f7f8fb;
  --radius: 0.75rem;
}

@media (prefers-color-scheme: dark) {
  :root {
    --ink: #eef1fb;
    --bg: #12182c;
    --text: #eef1fb;
    --muted: #a3abc2;
    --border: rgba(255, 255, 255, 0.12);
    --surface: #1a2138;
    --sky: #6f95e6;
    --sky-soft: rgba(111, 149, 230, 0.14);
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Plus Jakarta Sans", ui-sans-serif, system-ui, sans-serif;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--sky);
}

/* ── header ── */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid var(--border);
  background: color-mix(in oklab, var(--bg) 85%, transparent);
  backdrop-filter: blur(10px);
}

.nav-inner {
  max-width: 840px;
  margin: 0 auto;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.brand img {
  height: 24px;
  width: auto;
  display: block;
}

.brand-badge {
  border: 1px solid color-mix(in oklab, var(--sky) 40%, transparent);
  background: var(--sky-soft);
  color: var(--sky);
  border-radius: 999px;
  padding: 2px 10px;
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.back-link {
  font-size: 13px;
  font-weight: 600;
  color: var(--muted);
  text-decoration: none;
}

.back-link:hover {
  color: var(--sky);
}

/* ── hero ── */
.hero {
  background: var(--ink-deep, var(--ink));
  color: #fff;
  border-bottom: 1px solid var(--border);
}

@media (prefers-color-scheme: dark) {
  .hero {
    background: #0b0f1e;
  }
}

.hero-inner {
  max-width: 840px;
  margin: 0 auto;
  padding: 48px 20px 32px;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: #8fb0f5;
  margin-bottom: 14px;
}

.eyebrow-line {
  width: 22px;
  height: 1px;
  background: #8fb0f5;
}

.hero h1 {
  font-size: 32px;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 0 0 6px;
}

.hero .updated {
  color: rgba(255, 255, 255, 0.6);
  font-size: 13px;
  margin: 0 0 22px;
}

.langbar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.langbar a {
  padding: 6px 14px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  font-size: 13px;
  font-weight: 600;
}

.langbar a[aria-current="true"] {
  background: var(--sky);
  border-color: var(--sky);
  color: #fff;
}

.langbar a:hover:not([aria-current="true"]) {
  border-color: rgba(255, 255, 255, 0.4);
  color: #fff;
}

/* ── content ── */
.wrap {
  max-width: 840px;
  margin: 0 auto;
  padding: 40px 20px 24px;
}

h2 {
  font-family: "Plus Jakarta Sans", ui-sans-serif, sans-serif;
  font-size: 18px;
  font-weight: 800;
  letter-spacing: -0.01em;
  margin: 36px 0 10px;
  color: var(--ink);
}

h3 {
  font-size: 15px;
  font-weight: 700;
  margin: 22px 0 6px;
}

p, li {
  font-size: 15px;
  color: var(--text);
}

ul {
  padding-left: 20px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 22px;
  margin: 26px 0;
}

/* ── footer ── */
.site-footer {
  border-top: 1px solid var(--border);
  background: var(--surface);
}

.footer-inner {
  max-width: 840px;
  margin: 0 auto;
  padding: 32px 20px;
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 8px;
}

.footer-brand img {
  height: 22px;
  width: auto;
}

.footer-brand span {
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted);
}

.footer-note {
  margin: 8px 0 0;
  font-size: 13px;
  color: var(--muted);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  font-size: 13px;
}

.footer-links a {
  color: var(--muted);
  text-decoration: none;
  font-weight: 600;
}

.footer-links a:hover {
  color: var(--sky);
}