:root {
  --bg: #f6f3ec;
  --surface: #fffdf8;
  --ink: #1b1f1d;
  --muted: #5d625f;
  --line: #ddd7ca;
  --accent: #1f6b52;
  --accent-soft: #e2efe8;
  --draft: #9a6a12;
  --draft-bg: #f8edd5;
  --reviewed: #2b5d8a;
  --reviewed-bg: #e1ecf6;
  --verified: #1f6b52;
  --verified-bg: #dcefe5;
  --code-bg: #efeadf;
  --serif: "Fraunces", Georgia, serif;
  --sans: "Inter", system-ui, -apple-system, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #121514; --surface: #191d1b; --ink: #e8e6df; --muted: #9aa09c; --line: #2c322f;
    --accent: #6cc4a1; --accent-soft: #1d2d26; --draft: #e2b45c; --draft-bg: #33291a;
    --reviewed: #8ab8e0; --reviewed-bg: #1c2733; --verified: #6cc4a1; --verified-bg: #1b2e26; --code-bg: #1f2422;
  }
}
:root[data-theme="dark"] {
  --bg: #121514; --surface: #191d1b; --ink: #e8e6df; --muted: #9aa09c; --line: #2c322f;
  --accent: #6cc4a1; --accent-soft: #1d2d26; --draft: #e2b45c; --draft-bg: #33291a;
  --reviewed: #8ab8e0; --reviewed-bg: #1c2733; --verified: #6cc4a1; --verified-bg: #1b2e26; --code-bg: #1f2422;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 16px/1.65 var(--sans); }
a { color: var(--accent); text-underline-offset: 3px; }
code, pre { font-family: var(--mono); font-size: 0.88em; }
code { background: var(--code-bg); padding: 0.1em 0.35em; border-radius: 4px; }
pre { background: var(--code-bg); padding: 1rem 1.1rem; border-radius: 8px; overflow-x: auto; line-height: 1.5; }
pre code { background: none; padding: 0; }

.top { display: flex; justify-content: space-between; align-items: center; gap: 1rem; flex-wrap: wrap;
  max-width: 1120px; margin: 0 auto; padding: 1.25rem 16px; }
.brand { font: 600 1.15rem var(--serif); color: var(--ink); text-decoration: none; }
.mark { font-family: var(--mono); color: var(--accent); font-size: 0.95rem; margin-right: 0.15rem; }
.top nav { display: flex; gap: 1.25rem; flex-wrap: wrap; }
.top nav a { color: var(--muted); text-decoration: none; font-size: 0.95rem; }
.top nav a:hover { color: var(--ink); }

main { max-width: 1120px; margin: 0 auto; padding: 0 16px 4rem; }

.hero { padding: 3.5rem 0 2.5rem; border-bottom: 1px solid var(--line); }
.hero h1 { font: 400 clamp(2.2rem, 6vw, 4rem)/1.05 var(--serif); margin: 0 0 1.25rem; letter-spacing: -0.01em; }
.hero h1 em { color: var(--accent); font-style: italic; }
.hero p { max-width: 640px; color: var(--muted); font-size: 1.1rem; margin: 0 0 1.5rem; }
.scales { display: flex; gap: 1.5rem; flex-wrap: wrap; font-size: 0.92rem; color: var(--muted); }
.scales strong { color: var(--ink); font: 600 1.4rem var(--serif); margin-right: 0.3rem; }

.group { padding: 2.5rem 0 0.5rem; }
.group-head { display: flex; align-items: baseline; gap: 1rem; flex-wrap: wrap; margin-bottom: 1rem; }
.group-head h2 { font: 600 1.5rem var(--serif); margin: 0; }
.group-head p { margin: 0; color: var(--muted); }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 1rem; }
.card { display: flex; flex-direction: column; background: var(--surface); border: 1px solid var(--line); border-radius: 12px;
  padding: 1.25rem; color: var(--ink); text-decoration: none; transition: border-color .15s, transform .15s; }
.card:hover { border-color: var(--accent); transform: translateY(-2px); }
.card h3 { font: 600 1.2rem/1.3 var(--serif); margin: 0.6rem 0 0.5rem; }
.card p { margin: 0 0 1rem; color: var(--muted); font-size: 0.95rem; flex: 1; }
.card-top { display: flex; justify-content: space-between; align-items: center; }
.type { font: 500 0.75rem var(--mono); text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted); }
.card-foot { display: flex; gap: 0.4rem; flex-wrap: wrap; }

.badge { font: 500 0.72rem var(--mono); text-transform: uppercase; letter-spacing: 0.06em; padding: 0.15rem 0.5rem; border-radius: 999px; cursor: help; }
.badge-draft { color: var(--draft); background: var(--draft-bg); }
.badge-reviewed { color: var(--reviewed); background: var(--reviewed-bg); }
.badge-verified { color: var(--verified); background: var(--verified-bg); }
.scale, .chip { font-size: 0.78rem; padding: 0.1rem 0.55rem; border-radius: 999px; border: 1px solid var(--line); color: var(--muted); }

.band { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 2rem; margin-top: 3rem;
  padding: 2rem; background: var(--accent-soft); border-radius: 14px; }
.band h2 { font: 600 1.3rem var(--serif); margin: 0 0 0.5rem; }
.band p { margin: 0; }

.item { padding-top: 2rem; }
.item.narrow { max-width: 760px; }
.kicker { font: 500 0.78rem var(--mono); text-transform: uppercase; letter-spacing: 0.08em; margin: 0 0 0.5rem; }
.kicker a { color: var(--muted); text-decoration: none; }
.item h1 { font: 400 clamp(1.9rem, 5vw, 3rem)/1.12 var(--serif); margin: 0 0 1rem; max-width: 820px; }
.lede { font-size: 1.15rem; color: var(--muted); max-width: 720px; margin: 0 0 1rem; }
.syn { color: var(--muted); margin: -0.5rem 0 1rem; font-style: italic; }
.meta, .byline { display: flex; gap: 0.75rem; align-items: center; flex-wrap: wrap; font-size: 0.88rem; color: var(--muted); }
.byline { margin: 0.6rem 0 0; }
.byline a { color: var(--ink); }
.asof { color: var(--draft); }
.verified { color: var(--verified); font-size: 0.9rem; }

.layout { display: grid; grid-template-columns: minmax(0, 1fr) 260px; gap: 3rem; margin-top: 2rem; padding-top: 2rem; border-top: 1px solid var(--line); }
@media (max-width: 860px) { .layout { grid-template-columns: 1fr; gap: 1.5rem; } }
.prose { max-width: 720px; min-width: 0; }
.prose h2 { font: 600 1.45rem/1.3 var(--serif); margin: 2.25rem 0 0.75rem; }
.prose h3 { font: 600 1.15rem var(--serif); margin: 1.75rem 0 0.5rem; }
.prose table { width: 100%; border-collapse: collapse; font-size: 0.92rem; margin: 1.25rem 0; display: block; overflow-x: auto; }
.prose th, .prose td { text-align: left; padding: 0.55rem 0.75rem; border-bottom: 1px solid var(--line); vertical-align: top; }
.prose th { font-weight: 600; background: var(--surface); }
.prose li { margin: 0.3rem 0; }
.wl { text-decoration-style: dotted; }

aside .side { margin-bottom: 1.75rem; }
aside h4 { font: 500 0.75rem var(--mono); text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted); margin: 0 0 0.5rem; }
aside ul { list-style: none; padding: 0; margin: 0; font-size: 0.92rem; }
aside li { margin: 0.35rem 0; }
.machine { padding: 1rem; background: var(--surface); border: 1px solid var(--line); border-radius: 10px; }
.id { margin: 0.75rem 0 0; font-size: 0.82rem; color: var(--muted); }

.sources { margin-top: 2.5rem; padding-top: 1rem; border-top: 1px solid var(--line); font-size: 0.92rem; }
.sources h2 { font-size: 1.1rem; }
.muted { color: var(--muted); font-size: 0.85em; }

.glossary { list-style: none; padding: 0; }
.glossary li { padding: 1rem 0; border-bottom: 1px solid var(--line); }
.glossary a { color: var(--ink); text-decoration: none; font-family: var(--serif); font-size: 1.15rem; }
.glossary span:not(.badge):not(.muted) { color: var(--muted); }

.foot { max-width: 1120px; margin: 0 auto; padding: 2rem 16px 3rem; border-top: 1px solid var(--line); color: var(--muted); font-size: 0.88rem; }