:root {
  --bg: #f7f8f9;
  --surface: #ffffff;
  --text: #16191d;
  --muted: #56606b;
  --border: #dde1e5;
  --accent: #0e6a74;
  --accent-text: #ffffff;
  --code-bg: #eef1f3;
  --radius: 10px;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111315;
    --surface: #181b1e;
    --text: #e6e9ec;
    --muted: #a3acb5;
    --border: #2b3035;
    --accent: #4fc0c9;
    --accent-text: #0b1214;
    --code-bg: #1d2125;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

a { color: var(--accent); }
a:focus-visible, .button:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }

.skip { position: absolute; left: -999px; top: 0; padding: 8px 12px; background: var(--surface); }
.skip:focus { left: 8px; top: 8px; z-index: 10; }

.top {
  max-width: 1080px;
  margin: 0 auto;
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); text-decoration: none; font-weight: 700; font-size: 1.15rem; }
.top nav { display: flex; gap: 20px; }
.top nav a { color: var(--text); text-decoration: none; font-weight: 500; }
.top nav a:hover { color: var(--accent); }

main { max-width: 1080px; margin: 0 auto; padding: 0 24px 64px; }
section { margin-top: 72px; }

.hero { margin-top: 48px; max-width: 760px; }
.status {
  display: inline-block;
  margin: 0 0 16px;
  padding: 4px 12px;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.875rem;
}
h1 { font-size: clamp(2rem, 4.5vw, 3.1rem); line-height: 1.15; margin: 0 0 16px; letter-spacing: -0.02em; }
.lead { font-size: 1.25rem; color: var(--muted); margin: 0 0 28px; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; }
.button {
  display: inline-block;
  padding: 11px 20px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text);
  text-decoration: none;
  font-weight: 600;
}
.button.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-text); }

h2 { font-size: 1.6rem; margin: 0 0 20px; letter-spacing: -0.01em; }
h3 { font-size: 1.05rem; margin: 0 0 8px; }

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 16px; }
.cards article { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; }
.cards p { margin: 0; color: var(--muted); }

code { font-family: ui-monospace, "Cascadia Code", "JetBrains Mono", Consolas, monospace; font-size: 0.92em; }
p code, li code { background: var(--code-bg); padding: 1px 5px; border-radius: 4px; }
pre {
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
  overflow-x: auto;
  line-height: 1.5;
}

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); }
th, td { text-align: left; padding: 10px 14px; border-bottom: 1px solid var(--border); }
thead th { color: var(--muted); font-weight: 600; font-size: 0.9rem; }
tbody th { font-weight: 500; }
tbody tr:last-child th, tbody tr:last-child td { border-bottom: 0; }

.grid { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 14px; }
.grid li { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px 18px; color: var(--muted); }
.grid strong { display: block; color: var(--text); margin-bottom: 4px; }

footer { border-top: 1px solid var(--border); text-align: center; color: var(--muted); padding: 24px; font-size: 0.9rem; }

@media (max-width: 560px) {
  .top { padding: 16px; }
  main { padding: 0 16px 48px; }
  section { margin-top: 56px; }
}