:root {
  --ink: #1a1a1a;
  --muted: #5c5c5c;
  --line: #e2e2e2;
  --bg: #ffffff;
  --bg-soft: #f7f7f5;
  --accent: #8a2f2f;
  --code-bg: #1c1c1e;
  --code-ink: #eaeaea;
  --max: 52rem;
  --mono: ui-monospace, "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  font-family: var(--sans);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  font-size: 17px;
}

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 1.25rem; }

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* Header / footer */
header.site { border-bottom: 1px solid var(--line); }
header.site .wrap { display: flex; align-items: center; justify-content: space-between; height: 3.5rem; }
.brand { font-family: var(--mono); font-weight: 600; }
header.site nav a { color: var(--ink); margin-left: 1.25rem; font-size: 0.95rem; }

footer.site { border-top: 1px solid var(--line); margin-top: 4rem; padding: 2rem 0; color: var(--muted); }
footer.site .fine { font-size: 0.85rem; }
footer.site .fine code, footer.site code { font-family: var(--mono); font-size: 0.85em; }

/* Sections */
main.wrap { padding-top: 2.5rem; }
section { margin-bottom: 3.25rem; }
h1 { font-size: clamp(1.9rem, 5vw, 2.6rem); line-height: 1.15; letter-spacing: -0.02em; margin: 0 0 1rem; }
h2 { font-size: 1.35rem; letter-spacing: -0.01em; margin: 0 0 0.9rem; padding-bottom: 0.35rem; border-bottom: 1px solid var(--line); }
h3 { font-size: 1rem; margin: 0 0 0.5rem; color: var(--muted); font-weight: 600; }

.lede { font-size: 1.1rem; color: #333; max-width: 42rem; }
.sub { color: var(--muted); max-width: 42rem; margin-top: -0.3rem; }
.more { margin-top: 1rem; font-size: 0.95rem; }

/* Code */
pre {
  position: relative;
  background: var(--code-bg);
  color: var(--code-ink);
  padding: 0.9rem 1rem;
  border-radius: 6px;
  overflow-x: auto;
  font-size: 0.9rem;
  margin: 0.5rem 0;
}
pre code { font-family: var(--mono); white-space: pre; }
:not(pre) > code { font-family: var(--mono); background: var(--bg-soft); padding: 0.05em 0.35em; border-radius: 3px; font-size: 0.88em; }

.hero-code { font-size: 0.95rem; margin-top: 1.5rem; }

/* Copy button */
button.copy {
  position: absolute; top: 0.4rem; right: 0.4rem;
  font: inherit; font-size: 0.72rem;
  background: rgba(255,255,255,0.08); color: var(--code-ink);
  border: 1px solid rgba(255,255,255,0.18); border-radius: 4px;
  padding: 0.15rem 0.5rem; cursor: pointer; opacity: 0; transition: opacity 0.15s;
}
pre:hover button.copy, button.copy:focus { opacity: 1; }

/* Claims */
.claim-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 1rem; }
.claim-list li { padding-left: 1.1rem; border-left: 3px solid var(--line); }
.claim-list strong { display: block; margin-bottom: 0.15rem; }

/* Break-it grid */
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(15rem, 1fr)); gap: 1rem; margin-top: 1rem; }
.card { background: var(--bg-soft); border: 1px solid var(--line); border-radius: 8px; padding: 0.9rem 1rem; }
.card > code { display: block; font-family: var(--mono); font-size: 0.85rem; color: var(--accent); margin-bottom: 0.5rem; word-break: break-word; }
.card p { margin: 0; font-size: 0.92rem; color: #3a3a3a; }
.card p code { background: #ececea; }

/* Quickstart */
.qs { margin-bottom: 1.75rem; }

@media (prefers-color-scheme: dark) {
  :root { --ink: #e8e8e8; --muted: #9a9a9a; --line: #2e2e2e; --bg: #141414; --bg-soft: #1e1e1e; --accent: #e08a8a; }
  header.site nav a { color: var(--ink); }
  .lede { color: #cfcfcf; }
  .card p { color: #c4c4c4; }
  .card p code { background: #2a2a2a; }
  :not(pre) > code { background: #232323; }
}