/* Results-audit site — UnderstandingVCS */
:root {
  --bg: #0e1116;
  --bg-soft: #161b22;
  --bg-card: #1b212b;
  --border: #2a313c;
  --fg: #e6edf3;
  --fg-dim: #9aa7b4;
  --accent: #5ec8f8;
  --accent-2: #7ee787;
  --warn: #f0b849;
  --bad: #ff7b72;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; font-family: var(--sans); background: var(--bg); color: var(--fg);
  line-height: 1.6; font-size: 16px;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
code { font-family: var(--mono); font-size: 0.86em; background: #0b0e12;
  padding: 1px 5px; border-radius: 4px; border: 1px solid var(--border); }
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 20px; }

/* nav */
nav { position: sticky; top: 0; z-index: 10; background: rgba(14,17,22,0.92);
  backdrop-filter: blur(8px); border-bottom: 1px solid var(--border); }
nav .wrap { display: flex; align-items: center; gap: 6px; height: 56px; flex-wrap: wrap; }
nav .brand { font-weight: 700; margin-right: auto; }
nav a { color: var(--fg-dim); padding: 6px 10px; border-radius: 6px; font-size: 0.92rem; }
nav a:hover { color: var(--fg); background: var(--bg-soft); text-decoration: none; }
nav a.active { color: var(--accent); }

/* hero */
.hero { padding: 56px 0 28px; border-bottom: 1px solid var(--border);
  background: radial-gradient(1200px 400px at 50% -120px, #18222e 0%, transparent 70%); }
.hero h1 { font-size: 2.2rem; margin: 0 0 10px; letter-spacing: -0.5px; }
.hero p.lead { font-size: 1.1rem; color: var(--fg-dim); max-width: 760px; }
.hero .media { margin: 26px 0 6px; }
.hero .media img { width: 100%; border-radius: 10px; border: 1px solid var(--border); }
.caption { color: var(--fg-dim); font-size: 0.85rem; margin-top: 8px; }

section { padding: 38px 0; border-bottom: 1px solid var(--border); }
section h2 { font-size: 1.5rem; margin: 0 0 6px; }
section h2 .num { color: var(--accent); font-variant-numeric: tabular-nums; }
section .sub { color: var(--fg-dim); margin: 0 0 22px; }

/* cards */
.cards { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.card { background: var(--bg-card); border: 1px solid var(--border); border-radius: 12px;
  padding: 22px; transition: border-color .15s, transform .15s; }
.card:hover { border-color: var(--accent); transform: translateY(-2px); }
.card h3 { margin: 0 0 6px; font-size: 1.2rem; }
.card .venue { color: var(--accent-2); font-size: 0.82rem; font-weight: 600; }
.card p { color: var(--fg-dim); font-size: 0.95rem; }

/* pillars */
.pillars { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 18px; }
.pillar { background: var(--bg-soft); border: 1px solid var(--border);
  border-left: 3px solid var(--accent); border-radius: 8px; padding: 14px 16px; }
.pillar b { display: block; margin-bottom: 4px; }
.pillar small { color: var(--fg-dim); }

/* ledger */
.ledger { display: flex; flex-direction: column; gap: 14px; }
.row { background: var(--bg-card); border: 1px solid var(--border); border-radius: 10px;
  overflow: hidden; }
.row .head { display: flex; align-items: center; gap: 12px; padding: 14px 18px;
  background: var(--bg-soft); border-bottom: 1px solid var(--border); }
.row .claim { font-weight: 600; flex: 1; }
.row .value { font-family: var(--mono); font-size: 0.95rem; color: var(--accent-2);
  white-space: nowrap; }
.badge { font-size: 0.7rem; font-weight: 700; text-transform: uppercase; letter-spacing: .04em;
  padding: 3px 8px; border-radius: 20px; }
.badge.measured { color: #07210f; background: var(--accent-2); }
.badge.deferred { color: #2a1d00; background: var(--warn); }
.row .body { padding: 14px 18px; }
.row .detail { color: var(--fg-dim); font-size: 0.92rem; margin: 0 0 12px; }
.meta { display: grid; grid-template-columns: max-content 1fr; gap: 4px 14px;
  font-size: 0.86rem; }
.meta dt { color: var(--fg-dim); }
.meta dd { margin: 0; }
.meta code.cmd { display: inline-block; white-space: pre-wrap; word-break: break-all; }
.meta ul.inputs { margin: 0; padding-left: 18px; }
.meta ul.inputs li { margin: 2px 0; }
.rownote { margin: 12px 0 0; padding: 10px 14px; font-size: 0.86rem; color: var(--fg-dim);
  background: var(--bg-soft); border: 1px solid var(--border); border-left: 3px solid var(--accent);
  border-radius: 8px; }
.rownote b { color: var(--fg); }

/* figures */
.figrid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.fig { background: var(--bg-card); border: 1px solid var(--border); border-radius: 10px; padding: 14px; }
.fig img { width: 100%; background: #fff; border-radius: 6px; }
.fig h4 { margin: 12px 0 4px; font-size: 1rem; }
.fig p { color: var(--fg-dim); font-size: 0.86rem; margin: 0; }

/* videos */
.vidgrid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.vid { background: var(--bg-card); border: 1px solid var(--border); border-radius: 10px; padding: 14px; }
.vid video { width: 100%; border-radius: 6px; background: #000; }
.vid h4 { margin: 12px 0 4px; font-size: 1rem; }
.vid p { color: var(--fg-dim); font-size: 0.86rem; margin: 0; }

/* citations in the method catalogue */
.cite { color: var(--fg-dim); font-size: 0.82em; font-style: italic; white-space: nowrap; }

/* tables */
table.tbl { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
table.tbl th, table.tbl td { text-align: left; padding: 9px 12px; border-bottom: 1px solid var(--border); vertical-align: top; }
table.tbl th { color: var(--fg-dim); font-weight: 600; }
table.tbl tr:hover td { background: var(--bg-soft); }

/* code blocks */
pre { background: #0b0e12; border: 1px solid var(--border); border-radius: 8px;
  padding: 14px 16px; overflow-x: auto; font-family: var(--mono); font-size: 0.85rem; }
pre code { border: 0; background: none; padding: 0; }

/* callout */
.note { background: #1a2230; border: 1px solid var(--border); border-left: 3px solid var(--warn);
  border-radius: 8px; padding: 14px 16px; color: var(--fg-dim); font-size: 0.9rem; margin: 16px 0; }
.bignum { display: flex; gap: 28px; flex-wrap: wrap; margin: 8px 0 4px; }
.bignum .b { background: var(--bg-soft); border: 1px solid var(--border); border-radius: 10px;
  padding: 14px 20px; }
.bignum .b strong { display: block; font-size: 1.7rem; font-family: var(--mono); color: var(--accent); }
.bignum .b small { color: var(--fg-dim); }

footer { padding: 30px 0 60px; color: var(--fg-dim); font-size: 0.85rem; }
footer code { font-size: 0.8rem; }

@media (max-width: 760px) {
  .cards, .pillars, .figrid, .vidgrid { grid-template-columns: 1fr; }
  .row .head { flex-wrap: wrap; }
  .hero h1 { font-size: 1.7rem; }
}