:root {
  color-scheme: dark;
  --ink: #07090d;
  --panel: #0d1219;
  --panel-2: #121a24;
  --line: rgba(148, 163, 184, .18);
  --line-strong: rgba(148, 163, 184, .34);
  --text: #f8fafc;
  --muted: #94a3b8;
  --faint: #64748b;
  --amber: #f5b23f;
  --amber-2: #ffd27a;
  --mint: #57dca9;
  --blue: #70a7ff;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--ink); color: var(--text); font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
body::before { content: ""; position: fixed; inset: 0; z-index: -1; pointer-events: none; background: radial-gradient(900px 500px at 78% 0%, rgba(245, 178, 63, .09), transparent 68%), linear-gradient(rgba(255,255,255,.018) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.018) 1px, transparent 1px); background-size: auto, 42px 42px, 42px 42px; mask-image: linear-gradient(to bottom, #000, transparent 78%); }
.shell { width: min(1400px, calc(100% - 48px)); margin: 0 auto; }
.eyebrow { margin: 0 0 14px; color: var(--amber); font: 700 11px/1.2 var(--mono); letter-spacing: .14em; text-transform: uppercase; }
h1, h2, h3, p { text-wrap: balance; }
h1 { margin: 0; font: 720 clamp(48px, 7vw, 92px)/.92 var(--mono); letter-spacing: -.055em; }
h1 span { color: var(--amber-2); }
h2 { margin: 0; font: 680 clamp(30px, 4vw, 48px)/1 var(--mono); letter-spacing: -.035em; }
h3 { margin: 0; }
p { color: var(--muted); line-height: 1.65; }
.lead { max-width: 760px; color: #dbe4ef; font-size: clamp(17px, 2vw, 21px); }
.button { display: inline-flex; min-height: 44px; align-items: center; justify-content: center; padding: 0 16px; border-radius: 8px; background: var(--amber); color: #1c1303; font: 750 13px/1 var(--mono); text-decoration: none; }
.button.secondary { border: 1px solid var(--line-strong); background: transparent; color: var(--text); }
.button:hover, .button:focus-visible { outline: 2px solid var(--amber-2); outline-offset: 3px; }

.explorer-hero { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(320px, .6fr); gap: clamp(32px, 6vw, 96px); align-items: end; padding-top: clamp(72px, 10vw, 132px); padding-bottom: 64px; }
.explorer-hero .lead { margin: 28px 0 0; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.scope-card { border: 1px solid var(--line); border-radius: 18px; background: linear-gradient(150deg, rgba(18,26,36,.96), rgba(9,13,19,.96)); padding: 24px; box-shadow: 0 40px 100px -65px rgba(245,178,63,.6); }
.scope-card p { margin: 18px 0; font-size: 14px; }
.scope-card code { display: block; color: var(--amber-2); font: 11px/1.7 var(--mono); overflow-wrap: anywhere; }
.scope-status, .status-pill { display: inline-flex; align-items: center; gap: 8px; color: var(--mint); font: 700 11px/1 var(--mono); text-transform: uppercase; letter-spacing: .08em; }
.scope-status i, .status-pill i { width: 7px; height: 7px; border-radius: 999px; background: var(--mint); box-shadow: 0 0 0 4px rgba(87,220,169,.12); }

.summary-band { border-block: 1px solid var(--line); background: rgba(13,18,25,.78); }
.summary-grid { display: grid; grid-template-columns: repeat(5, minmax(0,1fr)); }
.summary-item { display: grid; gap: 8px; padding: 24px 20px; border-right: 1px solid var(--line); }
.summary-item:first-child { border-left: 1px solid var(--line); }
.summary-item strong { color: var(--text); font: 700 clamp(24px, 3vw, 38px)/1 var(--mono); }
.summary-item span { color: var(--muted); font: 600 11px/1.4 var(--mono); text-transform: uppercase; letter-spacing: .08em; }

.section { padding-top: clamp(64px, 8vw, 112px); padding-bottom: clamp(64px, 8vw, 112px); }
.section-heading { display: flex; justify-content: space-between; align-items: end; gap: 40px; margin-bottom: 36px; }
.section-heading > p { width: min(500px, 100%); margin: 0; font-size: 15px; }
.explorer-layout { display: grid; grid-template-columns: 230px minmax(0, 1fr); gap: 18px; align-items: start; }
.case-rail { position: sticky; top: 66px; max-height: calc(100vh - 86px); overflow: auto; padding: 10px; border: 1px solid var(--line); border-radius: 14px; background: rgba(13,18,25,.9); scrollbar-width: thin; }
.rail-label { padding: 8px 10px 14px; color: var(--faint); font: 700 10px/1 var(--mono); letter-spacing: .12em; text-transform: uppercase; }
.case-list { display: grid; gap: 5px; }
.case-button { width: 100%; display: grid; grid-template-columns: 28px 1fr; gap: 9px; align-items: center; padding: 10px; border: 1px solid transparent; border-radius: 9px; background: transparent; color: var(--muted); text-align: left; cursor: pointer; }
.case-button:hover { background: rgba(148,163,184,.06); color: var(--text); }
.case-button[aria-pressed="true"] { border-color: rgba(245,178,63,.34); background: rgba(245,178,63,.09); color: var(--text); }
.case-number { display: grid; place-items: center; width: 25px; height: 25px; border-radius: 7px; background: var(--panel-2); color: var(--faint); font: 650 10px/1 var(--mono); }
.case-button[aria-pressed="true"] .case-number { background: var(--amber); color: #1c1303; }
.case-button span:last-child { font: 600 12px/1.25 var(--mono); }

.workbench { border: 1px solid var(--line); border-radius: 18px; overflow: hidden; background: rgba(10,14,20,.92); }
.workbench-head { display: flex; justify-content: space-between; align-items: end; gap: 24px; padding: 22px 24px; border-bottom: 1px solid var(--line); }
.workbench-head h3 { margin-top: 12px; font: 700 clamp(23px, 3vw, 34px)/1 var(--mono); letter-spacing: -.025em; }
.workbench-head p { margin: 8px 0 0; font-size: 14px; }
.viewport-switcher { display: inline-flex; flex: 0 0 auto; gap: 4px; padding: 4px; border: 1px solid var(--line); border-radius: 10px; background: var(--ink); }
.viewport-button { min-height: 36px; padding: 0 12px; border: 0; border-radius: 7px; background: transparent; color: var(--muted); font: 650 11px/1 var(--mono); cursor: pointer; }
.viewport-button[aria-pressed="true"] { background: var(--amber); color: #1c1303; }
.viewport-button:focus-visible, .case-button:focus-visible { outline: 2px solid var(--amber-2); outline-offset: 2px; }

.stage-and-facts { display: grid; grid-template-columns: minmax(0, 1fr) 300px; border-bottom: 1px solid var(--line); }
.evidence-stage { min-width: 0; margin: 0; padding: 18px; border-right: 1px solid var(--line); }
.stage-bar { display: flex; justify-content: space-between; gap: 16px; padding: 3px 3px 14px; color: var(--muted); font: 600 10px/1.4 var(--mono); text-transform: uppercase; letter-spacing: .08em; }
.stage-bar a { color: var(--amber-2); text-decoration: none; }
.image-well { display: grid; place-items: center; min-height: 520px; padding: 18px; border: 1px solid var(--line); border-radius: 12px; overflow: hidden; background: #05070a; background-image: linear-gradient(45deg, rgba(255,255,255,.018) 25%, transparent 25%), linear-gradient(-45deg, rgba(255,255,255,.018) 25%, transparent 25%), linear-gradient(45deg, transparent 75%, rgba(255,255,255,.018) 75%), linear-gradient(-45deg, transparent 75%, rgba(255,255,255,.018) 75%); background-size: 24px 24px; background-position: 0 0, 0 12px, 12px -12px, -12px 0; }
.image-well img { display: block; width: auto; max-width: 100%; max-height: 640px; height: auto; border-radius: 7px; box-shadow: 0 24px 70px -28px #000; transition: opacity .15s ease; }
.image-well[data-viewport="mobile"] img { max-width: min(390px, 100%); }
.image-well[data-viewport="tablet"] img { max-width: min(640px, 100%); }
.evidence-stage figcaption { display: grid; gap: 5px; padding: 12px 4px 0; color: var(--faint); font: 600 9px/1.4 var(--mono); text-transform: uppercase; letter-spacing: .1em; }
.evidence-stage figcaption code { color: var(--muted); font-size: 10px; overflow-wrap: anywhere; text-transform: none; letter-spacing: 0; }
.fact-stack { display: grid; align-content: start; }
.fact-card { padding: 20px; border-bottom: 1px solid var(--line); }
.fact-card:last-child { border: 0; }
.fact-label { color: var(--faint); font: 700 9px/1 var(--mono); letter-spacing: .13em; text-transform: uppercase; }
.fact-card blockquote { margin: 14px 0 18px; color: #dce5ef; font-size: 14px; line-height: 1.55; }
.mean-score { display: flex; align-items: baseline; gap: 7px; }
.mean-score strong { color: var(--amber-2); font: 700 34px/1 var(--mono); }
.mean-score span { color: var(--faint); font: 600 10px/1 var(--mono); text-transform: uppercase; }
.role-list { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 14px; }
.role-chip { padding: 5px 7px; border: 1px solid var(--line); border-radius: 6px; background: var(--panel-2); color: #cbd5e1; font: 600 9px/1 var(--mono); text-transform: uppercase; }
.fact-card > p { margin: 12px 0 0; font-size: 12px; }
.hash-card dl { display: grid; gap: 11px; margin: 14px 0 0; }
.hash-card dl div { display: grid; gap: 4px; }
.hash-card dt { color: var(--muted); font: 600 10px/1 var(--mono); }
.hash-card dd { margin: 0; color: var(--mint); font: 10px/1.4 var(--mono); overflow-wrap: anywhere; }

.detail-grid { display: grid; grid-template-columns: 1fr 1.15fr; }
.detail-card { min-width: 0; padding: 24px; }
.detail-card + .detail-card { border-left: 1px solid var(--line); }
.detail-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 22px; }
.detail-head > div { display: flex; align-items: center; gap: 10px; }
.detail-head h3 { font: 650 16px/1 var(--mono); }
.step { color: var(--faint); font: 600 10px/1 var(--mono); }
.pass-chip { padding: 5px 7px; border-radius: 999px; background: rgba(87,220,169,.1); color: var(--mint); font: 650 9px/1 var(--mono); text-transform: uppercase; letter-spacing: .06em; }
.score-list { display: grid; gap: 12px; }
.score-row { display: grid; grid-template-columns: 145px 1fr 26px; gap: 10px; align-items: center; }
.score-row span { color: var(--muted); font: 600 10px/1.2 var(--mono); text-transform: capitalize; }
.score-track { height: 6px; border-radius: 999px; overflow: hidden; background: rgba(148,163,184,.12); }
.score-track i { display: block; height: 100%; border-radius: inherit; background: linear-gradient(90deg, var(--amber), var(--amber-2)); }
.score-row strong { color: var(--text); font: 650 11px/1 var(--mono); text-align: right; }
.card-note { margin: 18px 0 0; color: var(--faint); font-size: 11px; }
.change-block { display: grid; grid-template-columns: 1fr auto 1fr; gap: 12px; align-items: center; }
.change-block > div { min-width: 0; padding: 13px; border: 1px solid var(--line); border-radius: 9px; background: var(--panel-2); }
.change-block span { display: block; margin-bottom: 7px; color: var(--faint); font: 650 9px/1 var(--mono); text-transform: uppercase; letter-spacing: .1em; }
.change-block strong { display: block; color: var(--text); font: 600 12px/1.4 var(--mono); overflow-wrap: anywhere; }
.change-block > i { color: var(--amber); font-style: normal; }
.correction-meta { margin-top: 12px; color: var(--muted); font: 10px/1.6 var(--mono); overflow-wrap: anywhere; }
.proof-chain { display: grid; grid-template-columns: repeat(4,1fr); gap: 8px; margin: 18px 0 0; padding: 0; list-style: none; }
.proof-chain li { position: relative; padding: 10px; border: 1px solid var(--line); border-radius: 8px; background: rgba(87,220,169,.035); }
.proof-chain li::after { content: "→"; position: absolute; right: -8px; top: 50%; z-index: 2; transform: translate(50%,-50%); color: var(--faint); }
.proof-chain li:last-child::after { display: none; }
.proof-chain span { display: block; color: var(--faint); font: 650 8px/1 var(--mono); text-transform: uppercase; letter-spacing: .08em; }
.proof-chain strong { display: block; margin-top: 6px; color: var(--mint); font: 600 9px/1.35 var(--mono); overflow-wrap: anywhere; }
.load-error { padding: 16px; border: 1px solid #ef4444; color: #fecaca; }

.assurance-section { border-block: 1px solid var(--line); background: rgba(13,18,25,.7); }
.assurance-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.assurance-panel { border: 1px solid var(--line); border-radius: 16px; overflow: hidden; background: var(--panel); }
.assurance-panel header { display: flex; justify-content: space-between; gap: 14px; padding: 17px 20px; border-bottom: 1px solid var(--line); font: 650 12px/1 var(--mono); }
.assurance-panel header strong { color: var(--mint); }
.gate-list, .negative-list { display: grid; }
.gate-item, .negative-item { display: grid; grid-template-columns: 26px 1fr auto; gap: 10px; align-items: center; padding: 13px 18px; border-bottom: 1px solid var(--line); }
.gate-item:last-child, .negative-item:last-child { border-bottom: 0; }
.gate-item > i, .negative-item > i { display: grid; place-items: center; width: 23px; height: 23px; border-radius: 7px; background: rgba(87,220,169,.1); color: var(--mint); font: 700 10px/1 var(--mono); font-style: normal; }
.negative-item > i { background: rgba(112,167,255,.1); color: var(--blue); }
.gate-item strong, .negative-item strong { color: #dbe4ef; font: 600 11px/1.3 var(--mono); text-transform: capitalize; }
.gate-item span, .negative-item span { color: var(--faint); font: 600 9px/1 var(--mono); text-transform: uppercase; }
.negative-item { grid-template-columns: 26px 1fr; }
.negative-item small { display: block; margin-top: 5px; color: var(--faint); font: 9px/1.4 var(--mono); }

.next-section { text-align: center; }
.next-section .lead { margin-inline: auto; }
.next-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 16px; margin: 36px 0; text-align: left; }
.next-grid article { padding: 22px; border: 1px solid var(--line); border-radius: 14px; background: var(--panel); }
.next-grid span { color: var(--amber); font: 700 9px/1 var(--mono); letter-spacing: .12em; text-transform: uppercase; }
.next-grid h3 { margin-top: 12px; font: 650 16px/1.2 var(--mono); }
.next-grid p { margin-bottom: 0; font-size: 13px; }
.next-section .hero-actions { justify-content: center; }

@media (max-width: 1120px) {
  .stage-and-facts { grid-template-columns: 1fr; }
  .evidence-stage { border-right: 0; border-bottom: 1px solid var(--line); }
  .fact-stack { grid-template-columns: repeat(3, 1fr); }
  .fact-card { border-right: 1px solid var(--line); border-bottom: 0; }
}
@media (max-width: 860px) {
  .shell { width: min(100% - 28px, 1400px); }
  .explorer-hero { grid-template-columns: 1fr; }
  .summary-grid { grid-template-columns: repeat(2, 1fr); }
  .summary-item { border-bottom: 1px solid var(--line); }
  .summary-item:last-child { grid-column: 1 / -1; }
  .section-heading { align-items: start; flex-direction: column; }
  .explorer-layout { grid-template-columns: 1fr; }
  .case-rail { position: static; max-height: none; overflow: visible; }
  .case-list { grid-template-columns: repeat(2,1fr); }
  .workbench-head { align-items: start; flex-direction: column; }
  .detail-grid, .assurance-grid, .next-grid { grid-template-columns: 1fr; }
  .detail-card + .detail-card { border-left: 0; border-top: 1px solid var(--line); }
}
@media (max-width: 620px) {
  h1 { font-size: 43px; }
  .summary-grid, .case-list, .fact-stack { grid-template-columns: 1fr; }
  .summary-item:last-child { grid-column: auto; }
  .summary-item { border-left: 1px solid var(--line); }
  .workbench-head, .detail-card { padding: 18px; }
  .viewport-switcher { width: 100%; }
  .viewport-button { flex: 1; padding-inline: 7px; }
  .evidence-stage { padding: 10px; }
  .image-well { min-height: 400px; padding: 9px; }
  .fact-card { border-right: 0; border-bottom: 1px solid var(--line); }
  .score-row { grid-template-columns: 118px 1fr 24px; }
  .proof-chain { grid-template-columns: repeat(2,1fr); }
  .proof-chain li:nth-child(2)::after { display: none; }
}