:root {
  color-scheme: dark light;
  --bg: #0f1312;
  --surface: #161b19;
  --surface-deep: #0a0d0c;
  --ink: #ecf0ed;
  --muted: #9da7a2;
  --faint: #6f7974;
  --line: #28302d;
  --line-strong: #3b4541;
  --accent: #ff6a40;
  --accent-hover: #e95731;
  --accent-wash: rgba(255,106,64,.085);
  --accepted: #76c991;
  --max: 1140px;
  --sans: system-ui, "Noto Sans", "DejaVu Sans", "Liberation Sans", Cantarell, sans-serif;
  --mono: ui-monospace, "DejaVu Sans Mono", "Liberation Mono", "Noto Sans Mono", monospace;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f8f7f4;
    --surface: #ffffff;
    --surface-deep: #eeece8;
    --ink: #171c1a;
    --muted: #59635e;
    --faint: #7d8782;
    --line: #ddddd8;
    --line-strong: #c2c5bf;
    --accent: #d94c25;
    --accent-hover: #b93c1a;
    --accent-wash: rgba(217,76,37,.07);
    --accepted: #2e7b4b;
  }
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; overflow-x: hidden; background: var(--bg); color: var(--ink); font: 16.5px/1.62 var(--sans); -webkit-font-smoothing: antialiased; }
a { color: inherit; }
img { display: block; }
p, h1, h2, h3 { margin-top: 0; }
h1, h2, h3 { margin-bottom: 0; line-height: 1.08; letter-spacing: -.035em; text-wrap: balance; }
h1 { font-size: clamp(3rem, 6vw, 5.4rem); font-weight: 690; }
h2 { font-size: clamp(2rem, 4vw, 3.55rem); font-weight: 670; }
h3 { font-size: 1.03rem; font-weight: 650; letter-spacing: -.015em; }
code { font-family: var(--mono); }
.wrap { width: min(calc(100% - 48px), var(--max)); margin-inline: auto; }
.skip { position: fixed; z-index: 100; left: 16px; top: -80px; padding: 10px 15px; background: var(--accent); color: #fff; }
.skip:focus { top: 12px; }
a:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; border-radius: 2px; }

.site-header { position: sticky; z-index: 50; top: 0; border-bottom: 1px solid var(--line); background: color-mix(in srgb, var(--bg) 90%, transparent); backdrop-filter: blur(10px); }
.nav { min-height: 64px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 9px; color: var(--ink); text-decoration: none; font-weight: 680; letter-spacing: -.02em; }
.nav nav, footer nav { display: flex; align-items: center; gap: 25px; }
.nav nav a, footer nav a { color: var(--muted); text-decoration: none; font-size: .88rem; font-weight: 560; }
.nav nav a:hover, footer nav a:hover, .text-link:hover { color: var(--ink); }
.nav nav a[aria-current="page"]:not(.button) { color: var(--ink); }
.nav nav a[aria-current="page"]:not(.button)::after { content: ""; display: block; height: 2px; margin-top: 4px; background: var(--accent); }

.button { min-height: 48px; padding: 0 19px; display: inline-flex; align-items: center; justify-content: center; gap: 24px; border: 1px solid var(--accent); border-radius: 7px; background: var(--accent); color: #fff !important; text-decoration: none; font-weight: 650; transition: background .18s ease, transform .18s ease; }
.button:hover { background: var(--accent-hover); transform: translateY(-1px); }
.button-small { min-height: 38px; padding: 0 14px; border-color: var(--line-strong); background: transparent; color: var(--ink) !important; font-size: .82rem !important; }
.button-small:hover { background: var(--surface); }
.text-link { color: var(--ink); font-weight: 640; text-decoration: underline; text-decoration-color: var(--accent); text-decoration-thickness: 2px; text-underline-offset: 5px; }
.kicker, .eyebrow { margin-bottom: 15px; color: var(--accent); font: 650 .72rem/1.35 var(--mono); letter-spacing: .11em; text-transform: uppercase; }

.hero { padding: clamp(64px,8vw,108px) 0 clamp(70px,8vw,104px); }
.hero-grid { display: grid; grid-template-columns: minmax(0,.92fr) minmax(520px,1.08fr); gap: clamp(52px,7vw,92px); align-items: center; }
.hero-grid > *, .journey-evidence > *, .local-grid > *, .final-grid > * { min-width: 0; }
.hero h1 { max-width: 11.5ch; }
.lede { max-width: 590px; margin: 24px 0 29px; color: var(--muted); font-size: clamp(1.08rem,1.6vw,1.24rem); }
.actions { display: flex; flex-wrap: wrap; align-items: center; gap: 22px; }
.qualification { max-width: 520px; margin: 18px 0 0; color: var(--faint); font-size: .84rem; }

.prompt-to-app { position: relative; padding: 17px; border: 1px solid var(--line-strong); border-radius: 10px; background: var(--surface); box-shadow: 0 28px 75px rgba(0,0,0,.2); }
.request-card { padding: 20px 21px; border: 1px solid var(--line); border-radius: 7px; background: var(--bg); }
.demo-label { margin-bottom: 11px; color: var(--accent); font: 650 .67rem/1.4 var(--mono); letter-spacing: .09em; text-transform: uppercase; }
.request-card blockquote { margin: 0; color: var(--ink); font-size: 1.02rem; line-height: 1.55; }
.build-bridge { min-height: 57px; padding: 8px 8px 8px 21px; display: flex; align-items: center; justify-content: space-between; color: var(--muted); font-size: .75rem; }
.build-bridge i { width: 29px; height: 29px; display: grid; place-items: center; border-radius: 50%; background: var(--accent); color: #fff; font-style: normal; }
.app-card { overflow: hidden; border: 1px solid var(--line-strong); border-radius: 7px; background: var(--bg); }
.app-card-bar { min-height: 45px; padding: 0 15px; display: flex; align-items: center; justify-content: space-between; gap: 15px; border-bottom: 1px solid var(--line); font-weight: 650; }
.app-card-bar small { color: var(--accent); font: .65rem var(--mono); }
.quote-row { display: grid; grid-template-columns: 1fr 44px 66px; gap: 12px; padding: 10px 15px; border-bottom: 1px solid var(--line); color: var(--muted); font-size: .76rem; }
.quote-row span:last-child { text-align: right; }
.quote-head { color: var(--faint); font: .64rem var(--mono); text-transform: uppercase; }
.quote-total { padding: 16px 15px; display: flex; justify-content: space-between; gap: 15px; font-size: .82rem; }
.quote-total strong { font-size: 1.05rem; }
.app-actions { padding: 11px 15px; display: flex; justify-content: flex-end; gap: 9px; border-top: 1px solid var(--line); background: var(--surface-deep); font-size: .72rem; }
.app-actions span, .app-actions b { padding: 7px 10px; border: 1px solid var(--line-strong); border-radius: 5px; }
.app-actions b { border-color: var(--accent); background: var(--accent); color: #fff; }
.demo-disclaimer { margin: 12px 3px 0; color: var(--faint); font-size: .7rem; }

.terminal { min-width: 0; overflow: hidden; border: 1px solid var(--line-strong); border-radius: 9px; background: var(--surface-deep); font: .8rem/1.7 var(--mono); box-shadow: 0 26px 70px rgba(0,0,0,.2); }
.terminal-bar { min-height: 42px; padding: 0 14px; display: flex; align-items: center; gap: 9px; border-bottom: 1px solid var(--line); background: var(--surface); color: var(--faint); font-size: .68rem; letter-spacing: .075em; text-transform: uppercase; }
.terminal-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--line-strong); }
.terminal pre { margin: 0; padding: 18px 20px; overflow-x: auto; }
.terminal code { white-space: pre; color: var(--muted); }
.terminal strong, .code-accent { color: var(--ink); font-weight: 650; }
.prompt, .boundary-line { color: var(--accent); }
.boundary-line { display: inline-block; padding-left: 10px; border-left: 2px solid var(--accent); font-weight: 650; }
.accepted { color: var(--accepted); font-weight: 650; }
.terminal-note { margin: 0; padding: 12px 18px; border-top: 1px solid var(--line); color: var(--faint); font: .72rem/1.5 var(--sans); }

.signal-strip { border-block: 1px solid var(--line); background: var(--surface); }
.signal-grid { display: grid; grid-template-columns: repeat(3,1fr); }
.signal-grid p { margin: 0; padding: 29px 30px; border-left: 1px solid var(--line); }
.signal-grid p:first-child { border-left: 0; }
.signal-grid strong, .signal-grid span { display: block; }
.signal-grid strong { margin-bottom: 5px; font-size: .95rem; }
.signal-grid span { color: var(--muted); font-size: .84rem; }

main > section:not(.hero):not(.signal-strip):not(.page-hero) { padding: clamp(76px,9vw,112px) 0; border-bottom: 1px solid var(--line); }
.section-heading { max-width: 760px; margin-bottom: 43px; }
.section-heading h2 { max-width: 15ch; }
.section-heading > p:last-child { max-width: 660px; margin: 20px 0 0; color: var(--muted); font-size: 1.02rem; }
.compact-heading { max-width: 670px; }

.evidence-section { background: color-mix(in srgb, var(--surface) 50%, var(--bg)); }
.evidence-grid { display: grid; grid-template-columns: minmax(0,1.08fr) minmax(340px,.92fr); gap: clamp(42px,7vw,86px); align-items: center; }
.source-terminal { font-size: .78rem; box-shadow: none; }
.evidence-notes { border-top: 1px solid var(--line-strong); }
.evidence-notes article { padding: 22px 0; display: grid; grid-template-columns: 34px 1fr; gap: 15px; border-bottom: 1px solid var(--line); }
.evidence-notes article > span { color: var(--accent); font: .68rem var(--mono); }
.evidence-notes h3 { margin-bottom: 7px; }
.evidence-notes p { margin: 0; color: var(--muted); font-size: .88rem; }

.journey-evidence { display: grid; grid-template-columns: minmax(300px,.78fr) minmax(0,1.22fr); gap: clamp(44px,8vw,100px); align-items: center; }
.counter-result { max-width: 400px; padding: 31px; border: 1px solid var(--line-strong); border-radius: 10px; background: var(--bg); box-shadow: 18px 18px 0 var(--accent-wash); text-align: center; }
.counter-result > p { margin-bottom: 18px; color: var(--muted); font-size: .82rem; }
.counter-result > strong { display: block; margin-bottom: 25px; font-size: clamp(4rem,8vw,6rem); line-height: 1; }
.counter-result > div { display: grid; grid-template-columns: 1fr 1fr; gap: 9px; }
.counter-result > div span, .counter-result > small { padding: 10px 12px; border: 1px solid var(--line-strong); border-radius: 5px; font-size: .72rem; }
.counter-result > div span:last-child { border-color: var(--accent); background: var(--accent); color: #fff; }
.counter-result > small { display: inline-block; margin-top: 10px; padding-inline: 30px; color: var(--muted); }
.result-trail > p:not(.demo-label) { color: var(--muted); }
.trail { margin: 23px 0 28px; display: flex; align-items: center; gap: 10px; }
.trail span { flex: 0 0 41px; width: 41px; height: 41px; display: grid; place-items: center; border: 1px solid var(--accent); border-radius: 50%; color: var(--ink); font-weight: 680; }
.trail i { flex: 1; min-width: 45px; color: var(--faint); font: .6rem/1.25 var(--mono); text-align: center; }
.result-trail .evidence-caveat { margin: 23px 0 0; padding: 15px 17px; border-left: 2px solid var(--accent); background: var(--accent-wash); color: var(--ink); font-size: .84rem; }

.workflow { margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4,1fr); list-style: none; counter-reset: none; }
.workflow li { padding: 20px 26px 0; border-top: 2px solid var(--accent); border-left: 1px solid var(--line); }
.workflow li:first-child { padding-left: 0; border-left: 0; }
.workflow li > span { display: block; margin-bottom: 19px; color: var(--accent); font: .7rem var(--mono); }
.workflow h3 { margin-bottom: 8px; }
.workflow p { margin: 0; color: var(--muted); font-size: .87rem; }

.fit-section { background: var(--surface); }
.fit-grid { display: grid; grid-template-columns: 1fr 1fr; border: 1px solid var(--line-strong); }
.fit-panel { min-width: 0; padding: clamp(26px,4vw,45px); }
.fit-panel + .fit-panel { border-left: 1px solid var(--line-strong); background: var(--bg); }
.fit-label { margin-bottom: 24px; color: var(--accent); font: 650 .7rem var(--mono); letter-spacing: .09em; text-transform: uppercase; }
.fit-panel ul { margin: 0; padding: 0; list-style: none; }
.fit-panel li { position: relative; padding: 14px 0 14px 25px; border-top: 1px solid var(--line); }
.fit-panel li::before { position: absolute; left: 0; top: 15px; color: var(--accepted); content: "+"; font: 700 .9rem var(--mono); }
.no-fit li::before { color: var(--accent); content: "−"; }
.fit-panel strong, .fit-panel span { display: block; }
.fit-panel strong { font-size: .93rem; }
.fit-panel span { margin-top: 3px; color: var(--muted); font-size: .81rem; }

.local-grid, .final-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: clamp(60px,10vw,140px); align-items: start; }
.local-copy { max-width: 650px; }
.local-copy > p { color: var(--muted); }
.local-copy > p + p { margin-top: 18px; }
.local-copy .security-boundary { margin: 25px 0; padding: 16px 18px; border-left: 2px solid var(--accent); background: var(--accent-wash); color: var(--ink); font-size: .88rem; }

.final-cta { background: var(--surface); }
.final-grid h2 { max-width: 12ch; }
.final-grid > div:last-child { max-width: 560px; }
.final-grid > div:last-child p { margin-bottom: 23px; color: var(--muted); }

footer { padding: 42px 0; }
.footer-grid { display: flex; justify-content: space-between; gap: 35px; align-items: flex-start; }
.footer-grid > div p { margin: 13px 0 0; color: var(--faint); font-size: .78rem; }

/* Secondary pages */
.page-hero { padding: clamp(68px,8vw,105px) 0 55px; border-bottom: 1px solid var(--line); }
.page-hero h1 { max-width: 16ch; font-size: clamp(2.6rem,5vw,4.4rem); }
.page-hero > .wrap > p:last-child { max-width: 680px; margin: 22px 0 0; color: var(--muted); font-size: 1.08rem; }
.prose { max-width: 820px; padding-block: 58px 90px; }
.prose h2 { margin: 50px 0 15px; font-size: 1.65rem; }
.prose h3 { margin: 30px 0 10px; }
.prose p, .prose li { color: var(--muted); }
.prose strong { color: var(--ink); }
.prose a { color: var(--ink); text-decoration-color: var(--accent); text-underline-offset: 3px; }
.prose code { padding: .12em .3em; background: var(--surface); color: var(--accent); }
.notice { margin-bottom: 36px; padding: 19px 21px; border-left: 3px solid var(--accent); background: var(--accent-wash); }
.notice p { margin: 0; color: var(--ink); }
.data-table { width: 100%; border-collapse: collapse; font-size: .88rem; }
.data-table th, .data-table td { padding: 13px 12px; border: 1px solid var(--line); text-align: left; vertical-align: top; }
.data-table th { background: var(--surface); color: var(--ink); }

@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero h1 { max-width: 12ch; }
  .hero-terminal { max-width: 720px; }
  .workflow { grid-template-columns: 1fr 1fr; gap: 28px 0; }
  .workflow li:nth-child(3) { padding-left: 0; border-left: 0; }
  .evidence-grid, .journey-evidence, .local-grid, .final-grid { grid-template-columns: 1fr; gap: 38px; }
}

@media (max-width: 650px) {
  .wrap { width: min(calc(100% - 32px), var(--max)); }
  .nav { min-height: 58px; }
  .nav nav a:not(.button-small) { display: none; }
  .hero { padding-top: 52px; }
  .hero h1 { font-size: clamp(2.75rem,13vw,4rem); }
  .terminal { font-size: .7rem; }
  .terminal pre { padding: 15px; }
  .signal-grid { grid-template-columns: 1fr; }
  .signal-grid p { padding: 19px 0; border-left: 0; border-top: 1px solid var(--line); }
  .signal-grid p:first-child { border-top: 0; }
  .trail { flex-wrap: wrap; }
  .trail i { flex: 0 0 42px; }
  .workflow { grid-template-columns: 1fr; gap: 24px; }
  .workflow li, .workflow li:nth-child(3) { padding-left: 0; border-left: 0; }
  .fit-grid { grid-template-columns: 1fr; }
  .fit-panel + .fit-panel { border-top: 1px solid var(--line-strong); border-left: 0; }
  .footer-grid { flex-direction: column; }
  footer nav { flex-wrap: wrap; }
  .data-table { display: block; overflow-x: auto; }
}

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