:root {
  color-scheme: dark;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --bg: #080b0a;
  --panel: #0e1210;
  --panel-2: #131815;
  --text: #f4f6f3;
  --muted: #a0aaa4;
  --quiet: #6f7a74;
  --line: rgba(224, 255, 236, 0.14);
  --line-strong: rgba(224, 255, 236, 0.26);
  --lime: #c8ff5b;
  --mint: #63efb3;
  --blue: #7595ff;
  --max: 1320px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
  color: var(--text);
  background:
    linear-gradient(rgba(200, 255, 91, 0.022) 1px, transparent 1px),
    linear-gradient(90deg, rgba(200, 255, 91, 0.022) 1px, transparent 1px),
    radial-gradient(circle at 80% 5%, rgba(117, 149, 255, 0.13), transparent 30rem),
    var(--bg);
  background-size: 72px 72px, 72px 72px, auto, auto;
}

button, select { font: inherit; }
a { color: inherit; }
.site-header, main, footer { width: min(var(--max), calc(100% - 3rem)); margin-inline: auto; }
.site-header {
  display: flex;
  min-height: 88px;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: .72rem; font-weight: 850; text-decoration: none; }
.brand-mark {
  display: grid; width: 42px; height: 42px; place-items: center;
  border: 1px solid rgba(200,255,91,.55); background: rgba(200,255,91,.07);
  color: var(--lime); font-size: .76rem; font-weight: 900; transform: rotate(-4deg);
}
nav { display: flex; align-items: center; gap: 1.7rem; }
nav a { color: var(--muted); font-size: .8rem; font-weight: 750; text-decoration: none; }
nav a:hover, nav a.active { color: var(--lime); }

.intro { display: grid; grid-template-columns: 1.15fr .85fr; gap: 5rem; padding: 4.8rem 0 3.5rem; align-items: end; }
.eyebrow { display: flex; align-items: center; gap: .65rem; margin: 0 0 1rem; color: var(--mint); font-size: .7rem; font-weight: 900; letter-spacing: .18em; }
.eyebrow span { width: 1.7rem; height: 1px; background: currentColor; }
h1, h2, h3, p { margin-top: 0; }
h1 { max-width: 12ch; margin-bottom: 0; font-size: clamp(3.4rem, 7vw, 6.7rem); line-height: .92; letter-spacing: -.07em; }
h2 { margin-bottom: 0; font-size: clamp(1.55rem, 3vw, 2.2rem); letter-spacing: -.045em; }
h3 { margin-bottom: 0; letter-spacing: -.03em; }
.intro-copy > p { max-width: 41rem; margin-bottom: 1.8rem; color: var(--muted); font-size: 1.12rem; line-height: 1.7; }
.catalog-status { display: flex; flex-wrap: wrap; gap: 1rem 1.5rem; color: var(--quiet); font-size: .63rem; font-weight: 900; letter-spacing: .14em; }
.catalog-status span:first-child { color: var(--lime); }
.catalog-status i { display: inline-block; width: 7px; height: 7px; margin-right: .35rem; border-radius: 50%; background: var(--lime); box-shadow: 0 0 14px var(--lime); }

.workbench { display: grid; grid-template-columns: minmax(0, .9fr) minmax(420px, 1.1fr); border: 1px solid var(--line-strong); background: rgba(8,11,10,.82); box-shadow: 0 32px 100px rgba(0,0,0,.3); }
.criteria-panel, .results-panel { padding: clamp(1.5rem, 3.5vw, 2.5rem); }
.criteria-panel { border-right: 1px solid var(--line-strong); background: rgba(14,18,16,.92); }
.results-panel { background: linear-gradient(145deg, rgba(117,149,255,.07), transparent 45%); }
.panel-heading { display: flex; justify-content: space-between; align-items: start; gap: 1.2rem; padding-bottom: 1.4rem; border-bottom: 1px solid var(--line); }
.panel-heading > div { display: flex; align-items: center; gap: .8rem; }
.panel-heading p { max-width: 18rem; margin-bottom: 0; color: var(--quiet); font-size: .75rem; line-height: 1.5; text-align: right; }
.panel-number { color: var(--lime); font: 800 .72rem ui-monospace, SFMono-Regular, Menlo, monospace; }
fieldset { min-width: 0; margin: 1.45rem 0 0; padding: 0; border: 0; }
legend { margin-bottom: .75rem; color: var(--muted); font-size: .7rem; font-weight: 850; letter-spacing: .08em; text-transform: uppercase; }
.choice-grid { display: grid; grid-template-columns: 1fr 1fr; gap: .55rem; }
.choice:last-child { grid-column: 1 / -1; }
.choice { position: relative; display: block; cursor: pointer; }
.choice input { position: absolute; opacity: 0; pointer-events: none; }
.choice span { display: flex; min-height: 76px; flex-direction: column; justify-content: center; padding: .85rem 1rem; border: 1px solid var(--line); background: rgba(255,255,255,.015); transition: border-color 150ms ease, background 150ms ease, transform 150ms ease; }
.choice span:hover { transform: translateY(-1px); border-color: var(--line-strong); }
.choice input:checked + span { border-color: var(--lime); background: rgba(200,255,91,.07); box-shadow: inset 3px 0 0 var(--lime); }
.choice input:focus-visible + span { outline: 2px solid var(--blue); outline-offset: 2px; }
.choice b { font-size: .84rem; }
.choice small { margin-top: .35rem; color: var(--quiet); line-height: 1.35; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: .75rem; }
.select-wrap { position: relative; display: block; }
.select-wrap::after { position: absolute; top: 50%; right: 1rem; color: var(--lime); content: "⌄"; transform: translateY(-58%); pointer-events: none; }
select { width: 100%; min-height: 50px; padding: .7rem 2.2rem .7rem .8rem; border: 1px solid var(--line-strong); border-radius: 0; color: var(--text); background: #111613; appearance: none; }
select:focus-visible { outline: 2px solid var(--blue); outline-offset: 2px; }
.run-button { display: flex; width: 100%; min-height: 56px; align-items: center; justify-content: space-between; margin-top: 1.5rem; padding: .9rem 1.1rem; border: 0; color: #0a0d0b; background: var(--lime); font-weight: 900; cursor: pointer; transition: background 150ms ease, transform 150ms ease; }
.run-button:hover { background: #d8ff89; transform: translateY(-1px); }
.privacy-note { margin: .75rem 0 0; color: var(--quiet); font-size: .68rem; text-align: center; }
.text-button { border: 0; color: var(--muted); background: transparent; font-size: .75rem; font-weight: 800; cursor: pointer; }
.text-button:hover { color: var(--lime); }
.empty-state { display: flex; min-height: 570px; flex-direction: column; align-items: center; justify-content: center; text-align: center; }
.empty-state h3 { margin: 2rem 0 .7rem; font-size: 1.5rem; }
.empty-state p { max-width: 30rem; color: var(--muted); line-height: 1.6; }
.signal-graphic { display: flex; align-items: center; color: var(--quiet); font: 800 .62rem ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: .12em; }
.signal-graphic i { width: 3.5rem; height: 1px; margin: 0 .65rem; background: linear-gradient(90deg, var(--line-strong), var(--mint)); }
.signal-graphic strong { padding: .65rem .8rem; border: 1px solid var(--lime); color: var(--lime); }
.result-content { padding-top: 1.5rem; }
.decision-summary { display: grid; grid-template-columns: 1fr auto; gap: 1.5rem; align-items: center; margin-bottom: 1rem; padding: 1rem; border: 1px solid var(--line); background: rgba(255,255,255,.018); }
.decision-summary p { margin: .35rem 0 0; color: var(--muted); font-size: .8rem; line-height: 1.5; }
.decision-summary span { color: var(--mint); font: 900 .66rem ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: .08em; }
.recommendations { display: grid; gap: .75rem; }
.recommendation { position: relative; padding: 1.2rem; border: 1px solid var(--line); background: rgba(14,18,16,.86); }
.recommendation:first-child { border-color: rgba(200,255,91,.62); box-shadow: inset 3px 0 0 var(--lime); }
.rank-line { display: flex; align-items: start; justify-content: space-between; gap: 1rem; }
.rank { color: var(--quiet); font: 900 .68rem ui-monospace, SFMono-Regular, Menlo, monospace; }
.model-name { margin: .35rem 0 .2rem; font-size: 1.35rem; }
.vendor { color: var(--muted); font-size: .73rem; }
.fit-score { display: grid; width: 62px; height: 62px; flex: 0 0 auto; place-items: center; border: 1px solid var(--line-strong); color: var(--lime); font: 900 1rem ui-monospace, SFMono-Regular, Menlo, monospace; }
.fit-score small { display: block; color: var(--quiet); font-size: .48rem; letter-spacing: .08em; }
.fit-reason { margin: 1rem 0; color: var(--muted); font-size: .82rem; line-height: 1.55; }
.chips { display: flex; flex-wrap: wrap; gap: .4rem; margin-bottom: .9rem; }
.chip { padding: .3rem .45rem; border: 1px solid var(--line); color: var(--muted); font-size: .6rem; font-weight: 800; letter-spacing: .04em; text-transform: uppercase; }
.tradeoff { margin: 0; padding-top: .8rem; border-top: 1px solid var(--line); color: var(--quiet); font-size: .7rem; line-height: 1.5; }
.tradeoff b { color: var(--muted); }
.source-link { display: inline-block; margin-top: .7rem; color: var(--mint); font-size: .68rem; font-weight: 800; text-decoration: none; }
.source-link:hover { text-decoration: underline; }
.method-card { margin-top: .8rem; border: 1px solid var(--line); }
.method-card summary { padding: 1rem; color: var(--muted); font-size: .75rem; font-weight: 800; cursor: pointer; }
.method-card > div { padding: 0 1rem 1rem; }
.method-card p { margin-bottom: .6rem; color: var(--quiet); font-size: .72rem; line-height: 1.55; }
.result-actions { display: grid; grid-template-columns: 1fr 1fr; gap: .65rem; margin-top: .8rem; }
.secondary-button, .feedback-button { min-height: 44px; padding: .75rem .85rem; border: 1px solid var(--line-strong); color: var(--text); background: rgba(255,255,255,.025); font-weight: 850; cursor: pointer; }
.feedback-button { display: inline-flex; align-items: center; justify-content: center; text-decoration: none; }
.secondary-button:hover, .feedback-button:hover { border-color: var(--lime); color: var(--lime); }
.comparison-section { margin-top: 1.4rem; padding-top: 1.2rem; border-top: 1px solid var(--line-strong); }
.section-heading { display: flex; gap: .8rem; align-items: start; margin-bottom: 1rem; }
.section-heading h3 { margin-bottom: .25rem; font-size: 1.25rem; }
.section-heading p { margin-bottom: 0; color: var(--quiet); font-size: .7rem; }
.comparison-scroll { overflow-x: auto; border: 1px solid var(--line); }
.comparison-scroll table { width: 100%; min-width: 760px; border-collapse: collapse; font-size: .72rem; }
.comparison-scroll th, .comparison-scroll td { min-width: 170px; padding: .8rem; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); vertical-align: top; line-height: 1.45; text-align: left; }
.comparison-scroll thead th { color: var(--text); background: rgba(200,255,91,.055); font-size: .74rem; }
.comparison-scroll tbody th { min-width: 135px; color: var(--muted); background: rgba(255,255,255,.02); }
.comparison-scroll th small { display: block; margin-top: .25rem; color: var(--mint); font: 800 .5rem ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: .06em; }
.comparison-scroll td { color: var(--muted); }
.comparison-scroll td a { color: var(--mint); font-size: .65rem; }
.decision-brief { margin-top: 1.4rem; border: 1px solid var(--line-strong); background: #f5f7f2; color: #121713; }
#brief-content { padding: clamp(1.2rem, 3vw, 2rem); }
.brief-header { display: flex; justify-content: space-between; gap: 1rem; padding-bottom: 1rem; border-bottom: 2px solid #121713; }
.brief-header h2 { margin-top: .25rem; color: #121713; font-size: 1.8rem; }
.brief-header p { color: #566058; font-size: .7rem; }
.brief-brand, .brief-label { color: #356c4d; font: 900 .62rem ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: .13em; }
.brief-block { padding: 1rem 0; border-bottom: 1px solid #ced4cc; }
.brief-block:last-child { border-bottom: 0; }
.brief-block p { margin: .55rem 0 0; color: #404942; font-size: .8rem; line-height: 1.55; }
.brief-recommendation h3 { display: flex; flex-wrap: wrap; gap: .5rem 1rem; align-items: baseline; margin-top: .55rem; font-size: 1.45rem; }
.brief-recommendation h3 small { color: #356c4d; font: 900 .58rem ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: .08em; }
.brief-alternatives, .poc-steps { margin: .7rem 0 0; padding-left: 1.2rem; color: #404942; font-size: .78rem; line-height: 1.5; }
.brief-alternatives li, .poc-steps li { margin-bottom: .55rem; padding-left: .25rem; }
.brief-alternatives span { color: #356c4d; font-size: .65rem; font-weight: 850; }
.brief-warning { margin-top: .5rem; padding-inline: .8rem; border: 1px solid #c6a747; background: #fff7d9; }
.brief-sources ul { display: flex; flex-wrap: wrap; gap: .45rem 1rem; margin: .65rem 0 0; padding: 0; list-style: none; }
.brief-sources a { color: #285b40; font-size: .68rem; font-weight: 800; }
.feedback-card { display: flex; justify-content: space-between; gap: 1rem; align-items: center; margin-top: .8rem; padding: 1rem; border: 1px solid var(--line); background: rgba(255,255,255,.018); }
.feedback-card h3 { margin-bottom: .25rem; font-size: .9rem; }
.feedback-card p { max-width: 30rem; margin-bottom: 0; color: var(--quiet); font-size: .66rem; line-height: 1.45; }
.feedback-actions { display: flex; gap: .45rem; flex: 0 0 auto; }
.feedback-button { min-height: 36px; padding: .55rem .7rem; font-size: .7rem; }

.evidence-section { display: grid; grid-template-columns: .8fr 1.2fr; gap: 5rem; padding: 6rem 0; }
.evidence-section h2 { max-width: 14ch; font-size: clamp(2.4rem, 4.5vw, 4.2rem); line-height: 1; }
.evidence-grid { display: grid; gap: 0; border-top: 1px solid var(--line); }
.evidence-grid article { display: grid; grid-template-columns: 7rem 1fr; gap: 1rem; padding: 1.3rem 0; border-bottom: 1px solid var(--line); }
.evidence-grid span { color: var(--lime); font: 900 .68rem ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: .12em; }
.evidence-grid p { margin-bottom: 0; color: var(--muted); font-size: .85rem; line-height: 1.55; }
footer { display: grid; grid-template-columns: .7fr 1.3fr; gap: 4rem; padding: 2rem 0 3rem; border-top: 1px solid var(--line); color: var(--quiet); font-size: .7rem; line-height: 1.6; }
footer p { margin-bottom: 0; }
footer strong { color: var(--text); }
footer a, .footer-button { color: var(--mint); }
.footer-button { padding: 0; border: 0; background: transparent; font: inherit; text-decoration: underline; cursor: pointer; }
.analytics-consent {
  position: fixed;
  z-index: 100;
  right: 1rem;
  bottom: 1rem;
  display: grid;
  width: min(620px, calc(100% - 2rem));
  grid-template-columns: 1fr auto;
  gap: 1rem;
  align-items: center;
  padding: 1rem;
  border: 1px solid var(--line-strong);
  background: #111613;
  box-shadow: 0 20px 70px rgba(0,0,0,.55);
}
.analytics-consent[hidden] { display: none; }
.analytics-consent strong { display: block; margin-bottom: .3rem; color: var(--text); }
.analytics-consent p { margin: 0; color: var(--muted); font-size: .75rem; line-height: 1.5; }
.analytics-consent a { color: var(--mint); }
.analytics-consent__actions { display: flex; gap: .45rem; }
.consent-button { min-height: 40px; padding: .65rem .8rem; border: 1px solid var(--lime); color: #0a0d0b; background: var(--lime); font-weight: 850; cursor: pointer; }
.consent-button--quiet { border-color: var(--line-strong); color: var(--text); background: transparent; }
.consent-button:hover { filter: brightness(1.08); }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

@media (max-width: 980px) {
  .intro { grid-template-columns: 1fr; gap: 2rem; }
  .workbench { grid-template-columns: 1fr; }
  .criteria-panel { border-right: 0; border-bottom: 1px solid var(--line-strong); }
  .empty-state { min-height: 390px; }
  .evidence-section { grid-template-columns: 1fr; gap: 2.5rem; }
}

@media (max-width: 680px) {
  .site-header, main, footer { width: min(100% - 1.4rem, var(--max)); }
  .site-header { align-items: flex-start; padding: 1rem 0; }
  nav { flex-direction: column; align-items: flex-end; gap: .5rem; }
  .intro { padding: 3.5rem 0 2.5rem; }
  h1 { font-size: clamp(3.2rem, 16vw, 5rem); }
  .criteria-panel, .results-panel { padding: 1.15rem; }
  .choice-grid, .field-row { grid-template-columns: 1fr; }
  .choice:last-child { grid-column: auto; }
  .panel-heading p { display: none; }
  .decision-summary { grid-template-columns: 1fr; }
  .result-actions { grid-template-columns: 1fr; }
  .feedback-card, .brief-header { align-items: flex-start; flex-direction: column; }
  .analytics-consent { grid-template-columns: 1fr; }
  .analytics-consent__actions { width: 100%; }
  .consent-button { flex: 1; }
  .signal-graphic i { width: 1.4rem; }
  .evidence-section { padding: 4rem 0; }
  .evidence-grid article { grid-template-columns: 5.5rem 1fr; }
  footer { grid-template-columns: 1fr; gap: 1rem; }
}

@media print {
  :root { color-scheme: light; }
  body { background: #fff !important; color: #000; }
  .site-header, .intro, .criteria-panel, .results-panel > .panel-heading, .decision-summary, .recommendations, #risk-notice, .result-actions, .comparison-section, .feedback-card, .method-card, .evidence-section, footer { display: none !important; }
  main, .site-header, footer { width: 100%; }
  .workbench, .results-panel, .result-content { display: block !important; border: 0; padding: 0; background: #fff; box-shadow: none; }
  .decision-brief { display: block !important; margin: 0; border: 0; background: #fff; color: #000; }
  #brief-content { padding: 0; }
  .brief-block { break-inside: avoid; }
  .brief-warning { border: 1px solid #8a741f; }
  a { color: #000; text-decoration: underline; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}