:root {
  color-scheme: dark;
  --ink: #f4f1e8;
  --muted: #d5d0c4;
  --forest: #1b4332;
  --forest-mid: #245741;
  --jade: #2d6a4f;
  --jade-light: #3d7c5e;
  --gold: #c79a3f;
  --gold-deep: #b5832a;
  --line: rgba(244, 241, 232, .18);
  font-family: Arial, Helvetica, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: radial-gradient(circle at 18% 0%, var(--jade) 0, var(--forest) 44rem); line-height: 1.55; }
.trail-bg { background-color: var(--forest); background-image: radial-gradient(circle at 15% 0%, rgba(45,106,79,.9), transparent 40rem), radial-gradient(circle at 85% 28%, rgba(199,154,63,.08) 1px, transparent 1.5px); background-size: auto, 28px 28px; }
a { color: #efd18a; }
a:hover { color: #fff; }
.skip { position: absolute; left: -999px; }
.skip:focus { left: 1rem; top: 1rem; z-index: 20; background: var(--gold); color: var(--forest); padding: .7rem 1rem; }
header { position: sticky; top: 0; z-index: 10; backdrop-filter: blur(16px); background: rgba(27, 67, 50, .92); border-bottom: 1px solid var(--line); }
.nav { max-width: 1180px; margin: auto; min-height: 68px; display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: .8rem 1.25rem; }
.brand { color: #fff; text-decoration: none; font-family: Georgia, "Times New Roman", serif; font-weight: 700; letter-spacing: -.02em; font-size: 1.35rem; }
.brand span { color: var(--gold); }
nav { display: flex; gap: .3rem; flex-wrap: wrap; }
nav a { color: var(--muted); text-decoration: none; padding: .45rem .7rem; border-radius: 999px; }
nav a[aria-current="page"], nav a:hover { color: #fff; background: rgba(255,255,255,.1); }
main { max-width: 1180px; margin: auto; padding: 2.4rem 1.25rem 5rem; }
body[data-catalog] main { max-width: min(96vw, 1720px); }
.hero { display: grid; grid-template-columns: 1.1fr .9fr; gap: 2.5rem; align-items: center; min-height: 70vh; }
.eyebrow { color: var(--gold); text-transform: uppercase; letter-spacing: .16em; font-size: .76rem; font-weight: 800; }
h1, h2, h3 { font-family: Georgia, "Times New Roman", serif; }
h1 { font-size: clamp(2.7rem, 7vw, 5.6rem); line-height: .98; letter-spacing: -.045em; margin: .4rem 0 1.2rem; max-width: 13ch; color: #fff; }
.trail-bg main > h1 { max-width: none; font-size: clamp(2.5rem, 5vw, 4.7rem); }
h2 { font-size: clamp(1.8rem, 4vw, 3rem); letter-spacing: -.03em; line-height: 1.05; margin: 0 0 1rem; color: var(--gold); }
h3 { margin: 0 0 .45rem; color: #fff; }
.lede { color: var(--muted); font-size: 1.15rem; max-width: 64ch; }
.actions { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 1.6rem; }
.button { display: inline-flex; padding: .75rem 1rem; border-radius: .35rem; text-decoration: none; font-weight: 750; background: var(--gold); color: var(--forest); border: 1px solid var(--gold); }
.button.secondary { background: transparent; color: #fff; border-color: var(--gold); }
.trail-map { position: relative; min-height: 430px; border: 1px solid rgba(199,154,63,.58); border-radius: .5rem; background: linear-gradient(145deg, rgba(61,124,94,.6), rgba(27,67,50,.92)); box-shadow: 0 18px 60px rgba(10,35,25,.3); overflow: hidden; }
.trail-map::before { content: ""; position: absolute; inset: 0; background-image: radial-gradient(circle, rgba(199,154,63,.55) 1.5px, transparent 1.5px); background-size: 32px 32px; opacity: .38; }
.node { position: absolute; z-index: 2; width: 116px; min-height: 72px; display: grid; place-items: center; text-align: center; padding: .6rem; border-radius: .4rem; border: 1px solid rgba(199,154,63,.58); background: var(--forest-mid); font-size: .82rem; font-weight: 750; box-shadow: 0 8px 24px rgba(0,0,0,.22); }
.node.core { width: 142px; min-height: 96px; left: 50%; top: 50%; transform: translate(-50%,-50%); background: var(--gold); color: var(--forest); font-family: Georgia, "Times New Roman", serif; font-size: 1.05rem; }
.node.one { left: 7%; top: 12%; }
.node.two { right: 7%; top: 12%; }
.node.three { left: 4%; bottom: 12%; }
.node.four { right: 4%; bottom: 12%; }
.trail-line { position: absolute; z-index: 1; left: 50%; top: 50%; width: 38%; height: 2px; transform-origin: left; background: linear-gradient(90deg, var(--gold), rgba(199,154,63,.06)); }
.line-one { transform: rotate(216deg); }
.line-two { transform: rotate(324deg); }
.line-three { transform: rotate(144deg); }
.line-four { transform: rotate(36deg); }
.section { padding: 3.5rem 0 0; }
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.card, .detail { background: rgba(36,87,65,.9); border: 1px solid var(--line); border-radius: .45rem; padding: 1.2rem; }
.card p, .detail p { color: var(--muted); }
.stat { font-family: Georgia, "Times New Roman", serif; font-size: 2.5rem; font-weight: 700; color: var(--gold); letter-spacing: -.04em; }
.catalog-head { padding: 3.5rem 0 1.5rem; }
.catalog-head h1 { max-width: none; }
.catalog-head .lede { max-width: 82ch; }
.controls { position: sticky; top: 68px; z-index: 8; display: grid; grid-template-columns: 1fr repeat(4,minmax(130px,auto)); gap: .75rem; padding: .9rem; margin: 0 0 1rem; background: rgba(27,67,50,.97); border: 1px solid var(--line); border-radius: .45rem; }
input, select { width: 100%; min-height: 44px; border: 1px solid var(--line); border-radius: .3rem; padding: .65rem .8rem; background: var(--forest-mid); color: #fff; font: inherit; }
.summary { color: var(--muted); margin: .5rem 0 1rem; }
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: .45rem; background: rgba(36,87,65,.74); }
table { width: 100%; min-width: 980px; border-collapse: collapse; }
body[data-catalog] table { min-width: 1380px; font-size: .86rem; }
body[data-catalog] th, body[data-catalog] td { padding: .75rem .7rem; }
th, td { padding: .9rem 1rem; text-align: left; vertical-align: top; border-bottom: 1px solid var(--line); }
th { position: static; background: var(--forest-mid); color: var(--gold); font-size: .78rem; letter-spacing: .05em; text-transform: uppercase; }
td { color: var(--muted); }
td strong { color: #fff; }
.rank { color: var(--gold); font-weight: 850; font-variant-numeric: tabular-nums; }
.pill { display: inline-block; white-space: nowrap; border: 1px solid rgba(199,154,63,.45); border-radius: 999px; padding: .16rem .48rem; margin: .08rem; font-size: .73rem; color: var(--ink); }
.note { border-left: 3px solid var(--gold); padding: .75rem 1rem; background: rgba(199,154,63,.1); color: var(--muted); }
.empty { display: none; padding: 2rem; text-align: center; color: var(--muted); }
.profile { display: grid; grid-template-columns: repeat(4,1fr); gap: .8rem; margin: 1.5rem 0; }
.meter { background: var(--forest); border: 1px solid var(--line); border-radius: .4rem; padding: .8rem; text-align: center; }
.meter strong { display: block; color: var(--gold); font-family: Georgia, "Times New Roman", serif; font-size: 1.4rem; }
.meter span { display: block; color: var(--muted); font-size: .78rem; margin-top: .15rem; }
.related { display: grid; grid-template-columns: repeat(2,1fr); gap: 1rem; }
.related a { display: block; margin: .45rem 0; }
.split-detail { display: grid; grid-template-columns: 1.15fr .85fr; gap: 2rem; align-items: start; }
.signal-panel { background: rgba(27,67,50,.72); border: 1px solid rgba(199,154,63,.35); border-radius: .4rem; padding: 1rem; }
.bar-row { display: grid; grid-template-columns: minmax(9rem,1fr) 2fr auto; align-items: center; gap: .7rem; margin: .8rem 0; font-size: .82rem; color: var(--muted); }
.bar-track { height: .55rem; overflow: hidden; border-radius: 999px; background: rgba(244,241,232,.12); }
.bar-track i { display: block; height: 100%; border-radius: inherit; background: var(--jade-light); }
.bar-track i.partial { background: var(--gold); }
.bar-track i.quiet { background: rgba(244,241,232,.32); }
.jarvis-hero { padding: 4.5rem 0 1rem; display: grid; grid-template-columns: .78fr 1.22fr; gap: 2.5rem; align-items: center; }
.system-map { display: grid; grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr; gap: .65rem; align-items: center; min-height: 330px; padding: 1.4rem; border: 1px solid rgba(199,154,63,.58); border-radius: .5rem; background: linear-gradient(145deg, rgba(61,124,94,.58), rgba(27,67,50,.94)); box-shadow: 0 18px 60px rgba(10,35,25,.35); }
.map-stage { display: grid; gap: .25rem; padding: 1rem .8rem; text-align: center; border: 1px solid var(--line); border-radius: .4rem; background: var(--forest-mid); }
.map-stage small { color: var(--gold); text-transform: uppercase; letter-spacing: .08em; }
.map-stage span { color: var(--muted); font-size: .75rem; }
.map-stage.core { background: var(--gold); color: var(--forest); border-color: var(--gold); }
.map-stage.core small, .map-stage.core span { color: var(--forest); }
.map-stage.verify { border-color: rgba(199,154,63,.7); }
.map-stack { display: grid; gap: .45rem; }
.map-arrow { color: var(--gold); font-size: 1.35rem; }
.step { color: var(--gold); font: 700 2rem Georgia, "Times New Roman", serif; }
.capability-web { display: grid; grid-template-columns: repeat(3,1fr); gap: 1px; padding: 1px; background: rgba(199,154,63,.35); border: 1px solid rgba(199,154,63,.35); }
.capability-web article { min-height: 130px; display: grid; align-content: center; gap: .3rem; padding: 1.2rem; background: var(--forest-mid); }
.capability-web strong { color: var(--gold); font: 700 1.25rem Georgia, "Times New Roman", serif; }
.capability-web span { color: var(--muted); }
.method-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 1rem; }
.synthesis-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 1rem; }
.synthesis-grid .card:last-child { grid-column: 1 / -1; }
.synthesis-grid .claim-links { margin-top: 1rem; }
.synthesis-lead { max-width: 900px; }
.claim-links { display: grid; gap: .45rem; }
.claim-link { display: grid; grid-template-columns: 4.5rem 1fr; gap: .5rem; align-items: baseline; padding: .55rem .7rem; border: 1px solid rgba(199,154,63,.35); border-radius: .35rem; text-decoration: none; }
.claim-link small { color: var(--gold); }
.claim-link strong { color: var(--ink); }
.claim-graph { position: relative; display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 1rem; padding: 9rem 1rem 2rem; border: 1px solid rgba(199,154,63,.45); border-radius: .5rem; background: radial-gradient(circle at 50% 4rem, rgba(199,154,63,.15), transparent 18rem), rgba(27,67,50,.45); }
.claim-graph::before, .claim-graph::after { content: ""; position: absolute; left: 50%; top: 50%; z-index: 0; background: rgba(199,154,63,.35); transform: translate(-50%,-50%); }
.claim-graph::before { top: 7.5rem; width: 75%; height: 1px; }
.claim-graph::after { top: 6rem; width: 1px; height: 3rem; }
.claim-cluster { position: relative; z-index: 1; }
.claim-cluster h2 { font-size: 1.1rem; }
.claim-cluster > div { display: grid; gap: .5rem; }
.claim-node { display: grid; grid-template-columns: 4.5rem 1fr; gap: .55rem; width: 100%; padding: .65rem .75rem; text-align: left; color: var(--ink); background: var(--forest-mid); border: 1px solid var(--line); border-radius: .35rem; cursor: pointer; }
.claim-node small { color: var(--gold); }
.claim-node.selected, .claim-node:hover, .claim-node:focus-visible { border-color: var(--gold); background: var(--jade); }
.claim-core { position: absolute; left: 50%; top: 1rem; z-index: 2; transform: translateX(-50%); width: 145px; min-height: 105px; display: grid; place-content: center; text-align: center; color: var(--forest); background: var(--gold); border-radius: 50%; font: 700 1.1rem Georgia, "Times New Roman", serif; box-shadow: 0 8px 30px rgba(0,0,0,.3); }
.claim-core span { font: .7rem Arial, sans-serif; }
.claim-inspector { margin-top: 1rem; }
.claim-inspector dl { display: grid; grid-template-columns: 11rem 1fr; gap: .55rem 1rem; }
.claim-inspector dt { color: var(--gold); font-weight: 700; }
.claim-inspector dd { margin: 0; color: var(--muted); }
footer { border-top: 1px solid rgba(199,154,63,.35); color: var(--muted); padding: 2rem 1.25rem; text-align: center; }

@media (max-width: 820px) {
  .hero { grid-template-columns: 1fr; padding-top: 2rem; }
  .grid, .related, .profile, .split-detail, .jarvis-hero, .capability-web, .method-grid, .synthesis-grid { grid-template-columns: 1fr; }
  .synthesis-grid .card:last-child { grid-column: auto; }
  .claim-graph { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .system-map { grid-template-columns: 1fr; }
  .map-arrow { transform: rotate(90deg); text-align: center; }
  .controls { grid-template-columns: 1fr; position: static; }
  th { top: 0; }
  nav { font-size: .86rem; }
}

@media (max-width: 560px) {
  .claim-graph { grid-template-columns: 1fr; gap: 1.5rem; padding: 1rem; }
  .claim-graph::before, .claim-graph::after, .claim-core { display: none; }
  .claim-inspector dl { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }