/* git-scaffold site — hand-written, no build step */

:root {
  --bg: #ffffff;
  --bg-soft: #f6f7f9;
  --fg: #1a1e24;
  --fg-muted: #5b6472;
  --accent: #0b6e4f;
  --accent-soft: #e5f2ec;
  --border: #dfe3e8;
  --code-bg: #f3f4f6;
  --pre-bg: #14181d;
  --pre-fg: #e6e9ed;
  --pre-comment: #8b95a3;
  --link: #0b6e4f;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #12151a;
    --bg-soft: #191d24;
    --fg: #e4e7eb;
    --fg-muted: #99a2af;
    --accent: #4cc296;
    --accent-soft: #16241f;
    --border: #2a303a;
    --code-bg: #21262e;
    --pre-bg: #0c0f13;
    --pre-fg: #dce0e5;
    --pre-comment: #7b8592;
    --link: #4cc296;
  }
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
}

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

/* ---------- header ---------- */

header.site {
  border-bottom: 1px solid var(--border);
  background: var(--bg);
}

.site-inner {
  max-width: 52rem;
  margin: 0 auto;
  padding: 0.75rem 1.25rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  color: var(--fg);
  font-size: 1.05rem;
}
.brand:hover { text-decoration: none; }
.brand svg { display: block; }

nav.site-nav {
  display: flex;
  gap: 0.25rem 1rem;
  flex-wrap: wrap;
  margin-left: auto;
  font-size: 0.95rem;
}
nav.site-nav a { color: var(--fg-muted); padding: 0.15rem 0; }
nav.site-nav a:hover { color: var(--fg); text-decoration: none; }
nav.site-nav a[aria-current="page"] {
  color: var(--accent);
  font-weight: 600;
}

/* ---------- layout ---------- */

main {
  max-width: 52rem;
  margin: 0 auto;
  padding: 1.5rem 1.25rem 3rem;
}

h1 { font-size: 1.9rem; line-height: 1.25; margin: 1rem 0 0.5rem; }
h2 {
  font-size: 1.35rem;
  margin: 2.25rem 0 0.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}
h3 { font-size: 1.1rem; margin: 1.75rem 0 0.4rem; }
h2 code, h3 code { font-size: 0.95em; }

p, ul, ol { margin: 0.6rem 0; }
li { margin: 0.25rem 0; }

.lead { font-size: 1.1rem; color: var(--fg-muted); }

hr { border: none; border-top: 1px solid var(--border); margin: 2rem 0; }

/* ---------- code ---------- */

code, pre, kbd {
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas,
    "Liberation Mono", monospace;
}

code {
  background: var(--code-bg);
  padding: 0.1rem 0.35rem;
  border-radius: 4px;
  font-size: 0.875em;
}

pre {
  background: var(--pre-bg);
  color: var(--pre-fg);
  border-radius: 8px;
  padding: 0.9rem 1.1rem;
  overflow-x: auto;
  font-size: 0.85rem;
  line-height: 1.55;
  margin: 0.9rem 0;
}

pre code {
  background: none;
  padding: 0;
  border-radius: 0;
  font-size: inherit;
  color: inherit;
}

pre .cm { color: var(--pre-comment); }

/* ---------- hero (index) ---------- */

.hero { padding: 2.25rem 0 1rem; }
.hero h1 {
  font-size: 2.3rem;
  margin: 0.5rem 0;
  letter-spacing: -0.02em;
}
.hero .tagline {
  font-size: 1.2rem;
  color: var(--fg-muted);
  max-width: 40rem;
  margin: 0.75rem 0 1.25rem;
}
.hero .tagline strong { color: var(--fg); }

.cta { display: flex; gap: 0.75rem; flex-wrap: wrap; margin: 1.25rem 0; }
.btn {
  display: inline-block;
  padding: 0.5rem 1.1rem;
  border-radius: 6px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid var(--border);
  color: var(--fg);
}
.btn:hover { text-decoration: none; border-color: var(--fg-muted); }
.btn.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}
@media (prefers-color-scheme: dark) {
  .btn.primary { color: #0c1512; }
}
.btn.primary:hover { filter: brightness(1.08); }

/* ---------- feature grid ---------- */

.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
  gap: 0.9rem;
  margin: 1.5rem 0;
  padding: 0;
  list-style: none;
}
.features li {
  margin: 0;
  padding: 0.9rem 1rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg-soft);
}
.features h3 { margin: 0 0 0.3rem; font-size: 1rem; }
.features p { margin: 0; font-size: 0.92rem; color: var(--fg-muted); }

/* ---------- tables ---------- */

.table-wrap { overflow-x: auto; margin: 0.9rem 0; }
table {
  border-collapse: collapse;
  font-size: 0.92rem;
  min-width: 24rem;
}
th, td {
  text-align: left;
  padding: 0.45rem 0.9rem 0.45rem 0;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}
th { color: var(--fg-muted); font-weight: 600; }

/* ---------- notes ---------- */

.note {
  border-left: 3px solid var(--accent);
  background: var(--accent-soft);
  padding: 0.6rem 1rem;
  border-radius: 0 6px 6px 0;
  margin: 0.9rem 0;
  font-size: 0.95rem;
}

blockquote {
  margin: 1rem 0;
  padding: 0.6rem 1.1rem;
  border-left: 3px solid var(--accent);
  background: var(--bg-soft);
  border-radius: 0 6px 6px 0;
  color: var(--fg);
  font-style: italic;
}
blockquote p { margin: 0.2rem 0; }

/* ---------- footer ---------- */

footer.site {
  border-top: 1px solid var(--border);
  color: var(--fg-muted);
  font-size: 0.875rem;
}
footer.site .site-inner {
  padding: 1.25rem;
  justify-content: space-between;
}

@media (max-width: 480px) {
  .hero h1 { font-size: 1.8rem; }
  h1 { font-size: 1.55rem; }
}