/* Embodiment — internal briefing site. MOCA design language: monochrome OKLCh, one accent, dark only. */
@font-face { font-family: "Inter"; src: url("fonts/InterVariable.ttf") format("truetype-variations"), url("fonts/InterVariable.ttf") format("truetype"); font-weight: 100 900; font-style: normal; font-display: swap; }
@font-face { font-family: "Inter"; src: url("fonts/InterVariable-Italic.ttf") format("truetype-variations"), url("fonts/InterVariable-Italic.ttf") format("truetype"); font-weight: 100 900; font-style: italic; font-display: swap; }
@font-face { font-family: "JetBrains Mono"; src: url("fonts/JetBrainsMono.ttf") format("truetype-variations"), url("fonts/JetBrainsMono.ttf") format("truetype"); font-weight: 100 800; font-style: normal; font-display: swap; }

:root {
  color-scheme: dark;
  --bg: oklch(0.1448 0 0);
  --fg: oklch(0.9851 0 0);
  --fg2: oklch(0.7090 0 0);
  --fg3: oklch(0.5555 0 0);
  --card: oklch(0.2134 0 0);
  --popover: oklch(0.2686 0 0);
  --muted: oklch(0.2686 0 0);
  --border: oklch(0.3407 0 0);
  --border-soft: oklch(0.28 0 0);
  --sidebar: oklch(0.2046 0 0);
  --accent: #ff9500;
  --accent-fg: oklch(0.1448 0 0);
  --destructive: oklch(0.7022 0.1892 22.2279);
  --radius: 8px; --radius-sm: 4px; --radius-xl: 16px;
  --font-sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --ease-out: cubic-bezier(0, 0, 0.2, 1);
  --nav-h: 56px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--fg); font-family: var(--font-sans); font-size: 15px; line-height: 1.6; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
p a, li a, td a { color: var(--fg); border-bottom: 1px solid var(--border); transition: border-color 150ms; }
p a:hover, li a:hover, td a:hover { border-color: var(--accent); }
code, .mono { font-family: var(--font-mono); font-size: 0.875em; }
code { background: var(--muted); padding: 1px 5px; border-radius: var(--radius-sm); }
pre { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; overflow-x: auto; font-family: var(--font-mono); font-size: 12.5px; line-height: 1.55; }
pre code { background: none; padding: 0; font-size: inherit; }
hr { border: 0; border-top: 1px solid var(--border-soft); margin: 40px 0; }

/* Chrome */
.nav { position: sticky; top: 0; z-index: 50; height: var(--nav-h); display: flex; align-items: center; gap: 24px; padding: 0 24px; background: oklch(0.1448 0 0 / 0.72); backdrop-filter: blur(24px); -webkit-backdrop-filter: blur(24px); border-bottom: 1px solid var(--border-soft); }
.nav .brand { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.nav .brand img { height: 20px; display: block; }
.nav .brand .sep { width: 1px; height: 18px; background: var(--border); }
.nav .brand .title { font-size: 13px; color: var(--fg2); letter-spacing: -0.005em; }
.nav .brand .title strong { color: var(--fg); font-weight: 600; }
.nav .links { display: flex; gap: 2px; margin-left: auto; overflow-x: auto; scrollbar-width: none; }
.nav .links::-webkit-scrollbar { display: none; }
.nav .links a { padding: 6px 10px; border-radius: 6px; font-size: 13px; color: var(--fg2); white-space: nowrap; transition: color 150ms, background 150ms; }
.nav .links a:hover { color: var(--fg); background: oklch(1 0 0 / 0.04); }
.nav .links a.active { color: var(--accent); }
.nav .menu-btn { display: none; margin-left: auto; background: none; border: 1px solid var(--border); color: var(--fg); border-radius: 6px; padding: 6px 10px; font: inherit; font-size: 13px; cursor: pointer; }
@media (max-width: 900px) {
  .nav .links { display: none; position: fixed; top: var(--nav-h); left: 0; right: 0; flex-direction: column; padding: 8px; background: oklch(0.1448 0 0 / 0.96); backdrop-filter: blur(24px); border-bottom: 1px solid var(--border); }
  .nav .links.open { display: flex; }
  .nav .menu-btn { display: block; }
  .nav .brand .title { display: none; }
}

.page { max-width: 1040px; margin: 0 auto; padding: 48px 24px 96px; }
.page.wide { max-width: 1240px; }
.footer { border-top: 1px solid var(--border-soft); padding: 24px; display: flex; flex-wrap: wrap; gap: 16px 32px; justify-content: space-between; color: var(--fg3); font-size: 12.5px; }
.footer .mono { font-size: 11.5px; }

/* Type */
.eyebrow { font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--fg3); font-weight: 500; margin: 0 0 12px; }
.eyebrow.accent { color: var(--accent); }
h1 { font-size: 40px; line-height: 1.1; letter-spacing: -0.02em; font-weight: 600; margin: 0 0 16px; }
h2 { font-size: 26px; line-height: 1.2; letter-spacing: -0.015em; font-weight: 600; margin: 56px 0 16px; }
h3 { font-size: 18px; line-height: 1.3; letter-spacing: -0.01em; font-weight: 600; margin: 32px 0 10px; }
h4 { font-size: 15px; font-weight: 600; margin: 20px 0 6px; }
.lede { font-size: 19px; line-height: 1.5; color: var(--fg2); max-width: 760px; margin: 0 0 32px; }
.lede strong { color: var(--fg); font-weight: 500; }
p { margin: 0 0 14px; max-width: 760px; }
ul, ol { padding-left: 22px; margin: 0 0 14px; max-width: 760px; }
li { margin-bottom: 6px; }
li::marker { color: var(--fg3); }
.muted { color: var(--fg2); }
.dim { color: var(--fg3); }
.small { font-size: 13px; }
.hero { padding: 24px 0 8px; }
.hero .meta { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 20px; }

/* Chips */
.chip { display: inline-flex; align-items: center; gap: 6px; height: 22px; padding: 0 8px; border-radius: 999px; font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.01em; border: 1px solid var(--border); color: var(--fg2); background: transparent; white-space: nowrap; }
.chip.accent { border-color: var(--accent); color: var(--accent); }
.chip.solid { background: var(--muted); border-color: transparent; }
.chip.warn { color: var(--destructive); border-color: oklch(0.7022 0.1892 22.2279 / 0.4); }
.chip .dot { width: 6px; height: 6px; border-radius: 50%; background: currentColor; }

/* Cards */
.grid { display: grid; gap: 12px; margin: 20px 0 28px; }
.grid.c2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid.c3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid.c4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
@media (max-width: 900px) { .grid.c3, .grid.c4 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 600px) { .grid.c2, .grid.c3, .grid.c4 { grid-template-columns: 1fr; } }
.card { background: var(--card); border: 1px solid var(--border-soft); border-radius: var(--radius); padding: 18px 18px 16px; transition: border-color 200ms; }
.card:hover { border-color: var(--border); }
.card h3, .card h4 { margin-top: 0; }
.card h3 { font-size: 16px; margin-bottom: 8px; }
.card p { font-size: 14px; color: var(--fg2); margin-bottom: 8px; }
.card p:last-child { margin-bottom: 0; }
.card .eyebrow { margin-bottom: 8px; }
.card.link { display: block; }
.card.link:hover { border-color: var(--accent); }
.card.link .go { display: block; margin-top: 10px; font-size: 13px; color: var(--accent); }
.card.accent-top { border-top: 2px solid var(--accent); }
.stat { background: var(--card); border: 1px solid var(--border-soft); border-radius: var(--radius); padding: 16px 18px; }
.stat .n { font-size: 28px; font-weight: 600; letter-spacing: -0.02em; line-height: 1.1; font-family: var(--font-mono); }
.stat .l { font-size: 12.5px; color: var(--fg2); margin-top: 6px; }
.callout { border-left: 2px solid var(--accent); background: var(--card); padding: 14px 18px; border-radius: 0 var(--radius) var(--radius) 0; margin: 20px 0 24px; max-width: 760px; }
.callout p { margin-bottom: 6px; }
.callout p:last-child { margin-bottom: 0; }
.callout.plain { border-left-color: var(--border); }
.note { font-size: 13px; color: var(--fg3); margin: -6px 0 20px; }

/* Tables */
.tbl { width: 100%; overflow-x: auto; margin: 16px 0 28px; border: 1px solid var(--border-soft); border-radius: var(--radius); }
table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
th, td { text-align: left; padding: 10px 14px; vertical-align: top; border-bottom: 1px solid var(--border-soft); }
th { font-size: 11px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--fg3); font-weight: 500; background: var(--sidebar); }
tr:last-child td { border-bottom: 0; }
td.mono, th.mono { font-family: var(--font-mono); font-size: 12.5px; }
td .chip { height: 20px; }
tbody tr:hover td { background: oklch(1 0 0 / 0.02); }

/* Steps / timeline */
.steps { counter-reset: s; list-style: none; padding: 0; margin: 20px 0 28px; max-width: 760px; }
.steps li { counter-increment: s; position: relative; padding: 0 0 20px 44px; border-left: 1px solid var(--border-soft); margin: 0 0 0 14px; }
.steps li:last-child { border-left-color: transparent; }
.steps li::before { content: counter(s); position: absolute; left: -15px; top: 0; width: 28px; height: 28px; border-radius: 50%; background: var(--card); border: 1px solid var(--border); color: var(--fg2); font-family: var(--font-mono); font-size: 12px; display: flex; align-items: center; justify-content: center; }
.steps li strong { display: block; margin-bottom: 4px; }
.steps li p { font-size: 14px; color: var(--fg2); margin: 0; }
.timeline { display: grid; grid-template-columns: 120px 1fr; gap: 0 20px; max-width: 900px; margin: 20px 0 28px; }
.timeline .d { font-family: var(--font-mono); font-size: 12px; color: var(--fg3); padding: 10px 0; border-top: 1px solid var(--border-soft); }
.timeline .b { padding: 10px 0; border-top: 1px solid var(--border-soft); font-size: 14px; }
.timeline .b strong { display: block; font-weight: 600; }
.timeline .b span { color: var(--fg2); }
.timeline .d.hi, .timeline .b.hi strong { color: var(--accent); }

/* Diagram (inline SVG) */
.diagram { background: var(--card); border: 1px solid var(--border-soft); border-radius: var(--radius); padding: 20px; margin: 20px 0 28px; overflow-x: auto; }
.diagram svg { display: block; max-width: 100%; height: auto; font-family: var(--font-sans); }
.diagram .cap { font-size: 12.5px; color: var(--fg3); margin: 12px 0 0; }

/* Collapsible */
details { border: 1px solid var(--border-soft); border-radius: var(--radius); background: var(--card); margin: 0 0 10px; max-width: 900px; }
details summary { cursor: pointer; padding: 12px 16px; font-weight: 500; list-style: none; display: flex; align-items: center; gap: 10px; }
details summary::-webkit-details-marker { display: none; }
details summary::before { content: ""; width: 6px; height: 6px; border-right: 1.5px solid var(--fg3); border-bottom: 1.5px solid var(--fg3); transform: rotate(-45deg); transition: transform 150ms; flex-shrink: 0; }
details[open] summary::before { transform: rotate(45deg); }
details .body { padding: 0 16px 14px; color: var(--fg2); font-size: 14px; }
details .body p, details .body ul { max-width: none; }

/* Gaps board */
.toolbar { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin: 20px 0; }
.toolbar input { background: var(--card); border: 1px solid var(--border); color: var(--fg); border-radius: var(--radius); padding: 8px 12px; font: inherit; font-size: 13.5px; min-width: 240px; }
.toolbar input:focus { outline: none; border-color: var(--fg3); }
.toolbar .f { height: 28px; padding: 0 12px; border-radius: 999px; border: 1px solid var(--border); background: transparent; color: var(--fg2); font: inherit; font-size: 12.5px; cursor: pointer; transition: all 150ms; }
.toolbar .f:hover { color: var(--fg); border-color: var(--fg3); }
.toolbar .f.on { color: var(--accent); border-color: var(--accent); }
.toolbar .count { margin-left: auto; font-family: var(--font-mono); font-size: 12px; color: var(--fg3); }
.gap { background: var(--card); border: 1px solid var(--border-soft); border-radius: var(--radius); padding: 14px 16px; margin-bottom: 8px; display: grid; grid-template-columns: 1fr auto; gap: 6px 16px; }
.gap .t { font-weight: 500; }
.gap .why { grid-column: 1 / -1; font-size: 13.5px; color: var(--fg2); }
.gap .tags { display: flex; gap: 6px; flex-wrap: wrap; justify-content: flex-end; }
.gap.hidden { display: none; }
.gap .rec { grid-column: 1 / -1; font-size: 13px; color: var(--fg2); border-top: 1px solid var(--border-soft); padding-top: 8px; margin-top: 4px; }
.gap .rec b { color: var(--fg); font-weight: 500; }

/* Compare */
.compare { display: grid; grid-template-columns: 160px 1fr 1fr; border: 1px solid var(--border-soft); border-radius: var(--radius); overflow: hidden; margin: 16px 0 28px; font-size: 13.5px; }
.compare > div { padding: 10px 14px; border-bottom: 1px solid var(--border-soft); }
.compare > div:nth-last-child(-n+3) { border-bottom: 0; }
.compare .h { background: var(--sidebar); font-size: 11px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--fg3); font-weight: 500; }
.compare .k { color: var(--fg2); }
@media (max-width: 700px) { .compare { grid-template-columns: 1fr; } .compare .k { background: var(--sidebar); } }

.prevnext { display: flex; justify-content: space-between; gap: 12px; margin-top: 64px; padding-top: 24px; border-top: 1px solid var(--border-soft); }
.prevnext a { font-size: 13.5px; color: var(--fg2); }
.prevnext a:hover { color: var(--accent); }
.prevnext a span { display: block; font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--fg3); margin-bottom: 2px; }
.prevnext a.next { text-align: right; }

.fade { opacity: 0; transform: translateY(6px); animation: fade 400ms var(--ease-out) forwards; }
@keyframes fade { to { opacity: 1; transform: none; } }
@media print { .nav, .prevnext, .footer, .toolbar { display: none !important; } body { background: #fff; color: #000; } .card, .stat, .callout, .tbl, details { border-color: #ccc; background: #fff; } }