/* ============================================================
   guideonce — shared design system
   Editorial / print-inspired. Warm paper, ink, ember accent.
   ============================================================ */

:root {
  --ink: #1a1814;
  --ink-soft: #3d3a34;
  --ink-faint: #6b6558;
  --paper: #f4f0e8;
  --paper-warm: #ece6da;
  --paper-deep: #e3dccc;
  --rule: #d8d0c0;
  --accent: #b85c3a;
  --accent-deep: #8f4022;
  --code-bg: #211e1a;
  --code-ink: #e8e2d6;
  --code-key: #d9a566;
  --code-str: #9bbf8a;
  --code-comment: #6b6558;
  --code-tag: #7fa8c9;
  --maxw: 760px;
  --maxw-wide: 1040px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  background-image:
    radial-gradient(circle at 15% 12%, rgba(184,92,58,0.05), transparent 40%),
    radial-gradient(circle at 85% 88%, rgba(143,64,34,0.04), transparent 45%);
  color: var(--ink);
  font-family: 'Newsreader', Georgia, serif;
  font-size: 1.18rem;
  line-height: 1.72;
  -webkit-font-smoothing: antialiased;
}

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.wrap-wide { max-width: var(--maxw-wide); margin: 0 auto; padding: 0 24px; }

a { color: var(--accent-deep); text-decoration-thickness: 1px; text-underline-offset: 2px; }
a:hover { color: var(--accent); }

/* ---- Site header / nav (shared) ---- */
.site-head {
  border-bottom: 1px solid var(--rule);
  padding: 22px 0;
  position: sticky;
  top: 0;
  background: rgba(244,240,232,0.88);
  backdrop-filter: blur(8px);
  z-index: 10;
}
.site-head .wrap-wide {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 20px;
}
.brand {
  font-family: 'Fraunces', serif;
  font-weight: 600;
  font-size: 1.35rem;
  letter-spacing: -0.02em;
  color: var(--ink);
  text-decoration: none;
  display: inline-flex;
  align-items: baseline;
  gap: 2px;
}
.brand:hover { color: var(--ink); }
.brand .dot { color: var(--accent); }
.site-nav {
  display: flex;
  gap: 26px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.74rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.site-nav a { color: var(--ink-soft); text-decoration: none; }
.site-nav a:hover { color: var(--accent-deep); }

/* ---- Site footer (shared) ---- */
.site-foot {
  border-top: 3px double var(--ink);
  margin-top: 60px;
  padding: 34px 0 64px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  color: var(--ink-faint);
  line-height: 1.8;
}
.site-foot .wrap-wide { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; }
.site-foot a { color: var(--ink-soft); }

/* ---- Headings ---- */
h1, h2, h3 { font-family: 'Fraunces', serif; color: var(--ink); }
h1 { font-weight: 600; letter-spacing: -0.02em; line-height: 1.04; }
h2 {
  font-weight: 600;
  font-size: 1.85rem;
  letter-spacing: -0.01em;
  line-height: 1.15;
  margin: 3.2rem 0 1.1rem;
  padding-top: 1.6rem;
  border-top: 1px solid var(--rule);
}
h2:first-of-type { border-top: none; padding-top: 0; }
h3 { font-weight: 600; font-size: 1.3rem; margin: 2.2rem 0 0.7rem; color: var(--accent-deep); }

p { margin: 0 0 1.3rem; }
strong { font-weight: 600; color: var(--ink); }
em { font-style: italic; }

/* ---- Lists ---- */
ul { margin: 0 0 1.4rem; padding-left: 1.4rem; }
li { margin-bottom: 0.55rem; }
ol { counter-reset: item; list-style: none; padding-left: 0; margin: 0 0 1.4rem; }
ol > li {
  counter-increment: item;
  position: relative;
  padding-left: 2.6rem;
  margin-bottom: 0.7rem;
}
ol > li::before {
  content: counter(item);
  position: absolute; left: 0; top: 0.05em;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.82rem; font-weight: 500;
  width: 1.8rem; height: 1.8rem; line-height: 1.8rem;
  text-align: center;
  background: var(--accent); color: var(--paper);
  border-radius: 50%;
}

/* ---- Code ---- */
pre {
  background: var(--code-bg); color: var(--code-ink);
  border-radius: 10px; padding: 20px 22px;
  overflow-x: auto;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.84rem; line-height: 1.62;
  margin: 1.5rem 0;
  box-shadow: 0 12px 30px -18px rgba(0,0,0,0.5);
  border: 1px solid #34302a;
}
pre code { font-family: inherit; white-space: pre; background: none; padding: 0; border: none; }
code {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.86em;
  background: var(--paper-warm);
  padding: 0.12em 0.4em; border-radius: 4px;
  border: 1px solid var(--rule);
}
.tok-comment { color: var(--code-comment); font-style: italic; }
.tok-key { color: var(--code-key); }
.tok-str { color: var(--code-str); }
.tok-tag { color: var(--code-tag); }

/* ---- Callout ---- */
.note {
  background: var(--paper-warm);
  border-left: 4px solid var(--accent);
  padding: 18px 22px; margin: 1.8rem 0;
  border-radius: 0 8px 8px 0;
  font-size: 1.06rem;
}
.note .label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.68rem; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--accent-deep); display: block; margin-bottom: 6px;
}
.note p:last-child { margin-bottom: 0; }

/* ---- Tables ---- */
.table-scroll { overflow-x: auto; margin: 1.6rem 0; }
table { border-collapse: collapse; width: 100%; font-size: 0.98rem; }
th, td { text-align: left; padding: 11px 14px; border-bottom: 1px solid var(--rule); vertical-align: top; }
th {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.68rem; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--accent-deep); border-bottom: 2px solid var(--ink);
}
tr:last-child td { border-bottom: none; }
td code { font-size: 0.82em; }

/* ---- Kicker / labels ---- */
.kicker {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem; letter-spacing: 0.28em; text-transform: uppercase;
  color: var(--accent-deep); margin: 0 0 22px;
}

/* ---- Fin ornament ---- */
hr.fin { border: none; text-align: center; margin: 3rem 0 1rem; color: var(--accent); font-size: 1.4rem; }
hr.fin::before { content: "\276E"; }

@media (max-width: 600px) {
  body { font-size: 1.08rem; }
  pre { font-size: 0.76rem; padding: 16px; }
  .site-nav { gap: 16px; }
}