:root {
  --ivory: #f3efe6;
  --paper: #faf7f0;
  --ink: #0b0b0a;
  --muted: #666157;
  --gold: #b2935b;
  --gold-dark: #80683f;
  --line: rgba(11, 11, 10, .16);
  --red: #a2382e;
  --green: #386747;
  --serif: "Cormorant Garamond", Georgia, serif;
  --sans: "Inter", "Helvetica Neue", Arial, sans-serif;
  --mono: "IBM Plex Mono", Consolas, monospace;
  --page: min(1480px, calc(100vw - 64px));
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--ivory); color: var(--ink); }
body { margin: 0; background: var(--ivory); color: var(--ink); font-family: var(--sans); font-size: 16px; line-height: 1.55; -webkit-font-smoothing: antialiased; }
a { color: inherit; }
button, input, select, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 3px solid var(--gold-dark); outline-offset: 4px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; }
.skip-link { position: fixed; z-index: 1000; top: 12px; left: 12px; padding: 10px 16px; background: var(--ink); color: white; transform: translateY(-180%); }
.skip-link:focus { transform: translateY(0); }

.site-header { position: sticky; z-index: 100; top: 0; display: grid; grid-template-columns: auto 1fr auto; align-items: center; min-height: 78px; padding: 0 max(24px, calc((100vw - 1540px) / 2)); border-bottom: 1px solid var(--line); background: rgba(243, 239, 230, .96); backdrop-filter: blur(20px); }
.brand { display: flex; gap: 12px; align-items: center; text-decoration: none; min-width: 210px; }
.mark { width: 32px; height: 38px; color: var(--gold-dark); flex: 0 0 auto; }
.brand span { display: flex; flex-direction: column; line-height: 1; }
.brand strong { font-family: var(--serif); font-size: 21px; letter-spacing: .01em; }
.brand small { margin-top: 7px; color: var(--muted); font-size: 8px; font-weight: 700; letter-spacing: .18em; text-transform: uppercase; }
.site-header nav { display: flex; align-items: center; justify-content: center; height: 78px; }
.site-header details { position: relative; height: 100%; }
.site-header summary { display: grid; place-items: center; height: 100%; padding: 0 12px; color: #36332e; cursor: pointer; font-size: 13px; list-style: none; }
.site-header summary::-webkit-details-marker { display: none; }
.site-header summary::after { content: "⌄"; margin-left: 6px; color: var(--gold-dark); font-size: 11px; }
.site-header details[open] summary, .site-header summary:hover { color: #000; }
.site-header details > div { position: absolute; top: calc(100% - 1px); left: 50%; display: grid; min-width: 240px; padding: 10px; border: 1px solid var(--line); background: var(--paper); box-shadow: 0 24px 70px rgba(11, 11, 10, .15); transform: translateX(-50%); }
.site-header details > div a { padding: 10px 12px; color: #302d28; text-decoration: none; font-size: 13px; }
.site-header details > div a:hover { background: rgba(178, 147, 91, .13); color: #000; }
.utilities { display: flex; gap: 12px; align-items: center; justify-content: flex-end; min-width: 300px; font-size: 12px; }
.utilities > a { text-decoration: none; }
.utilities button { padding: 8px 10px; border: 0; background: none; color: #4e4a42; cursor: pointer; }
kbd { margin-left: 5px; padding: 2px 5px; border: 1px solid var(--line); border-radius: 3px; color: var(--muted); font: 9px var(--mono); }
.utilities .console { padding: 10px 14px; background: var(--ink); color: white; font-weight: 650; }
.menu-button { display: none; width: 44px; height: 44px; padding: 10px; border: 0; background: none; }
.menu-button span { display: block; height: 1px; margin: 5px 0; background: var(--ink); }

main { overflow: hidden; }
.page-hero { width: var(--page); min-height: 540px; margin: 0 auto; padding: 120px 0 90px; display: grid; grid-template-columns: minmax(0, 1.1fr) .5fr; gap: 10vw; align-items: center; border-bottom: 1px solid var(--line); }
.page-hero > div:first-child { max-width: 970px; }
.eyebrow { margin: 0 0 22px; color: var(--gold-dark); font-size: 11px; font-weight: 750; letter-spacing: .18em; text-transform: uppercase; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { text-wrap: balance; }
h1 { margin-bottom: 30px; font-family: var(--serif); font-size: clamp(58px, 7.4vw, 118px); font-weight: 420; letter-spacing: -.045em; line-height: .88; }
.lead { max-width: 850px; margin-bottom: 38px; color: #3e3a34; font-family: var(--serif); font-size: clamp(22px, 2vw, 32px); line-height: 1.28; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.button { display: inline-flex; gap: 30px; align-items: center; justify-content: space-between; min-height: 46px; padding: 12px 18px; border: 1px solid transparent; text-decoration: none; font-size: 12px; font-weight: 750; letter-spacing: .04em; cursor: pointer; }
.button.solid { background: var(--ink); color: white; }
.button.outline { border-color: var(--ink); background: transparent; color: var(--ink); }
.button.outline.light { border-color: rgba(255,255,255,.5); color: white; }
.button.text { gap: 10px; padding-inline: 8px; border: 0; color: var(--ink); }
.button:hover { background: var(--gold); border-color: var(--gold); color: var(--ink); }
.hero-signal { position: relative; height: 250px; }
.hero-signal::before, .hero-signal::after { content: ""; position: absolute; left: 50%; background: var(--line); }
.hero-signal::before { top: 0; width: 1px; height: 100%; }
.hero-signal::after { top: 50%; left: 0; width: 100%; height: 1px; }
.hero-signal i { position: absolute; top: 50%; left: 50%; width: 12px; height: 12px; border: 2px solid var(--gold); border-radius: 50%; background: var(--ivory); transform: translate(-50%, -50%); animation: pulse 3s infinite; }
.hero-signal i:nth-child(2) { width: 70px; height: 70px; opacity: .55; animation-delay: .5s; }
.hero-signal i:nth-child(3) { width: 150px; height: 150px; opacity: .25; animation-delay: 1s; }
@keyframes pulse { 0%, 100% { transform: translate(-50%, -50%) scale(.96); } 50% { transform: translate(-50%, -50%) scale(1.04); } }

.home-hero { min-height: calc(100vh - 78px); padding: 9vh max(24px, calc((100vw - 1540px) / 2)) 32px; display: flex; flex-direction: column; justify-content: space-between; border-bottom: 1px solid var(--line); }
.home-hero-grid { display: grid; grid-template-columns: 1.2fr .55fr; gap: 10vw; align-items: end; }
.home-hero h1 { max-width: 1100px; font-size: clamp(72px, 8.8vw, 150px); }
.category-line { max-width: 850px; margin: 30px 0 12px; color: var(--gold-dark); font-family: var(--serif); font-size: clamp(26px, 3vw, 46px); line-height: 1.06; }
.home-hero .lead { max-width: 930px; }
.principles { display: grid; align-self: stretch; border-top: 1px solid var(--line); }
.principles article { padding: 24px 0; border-bottom: 1px solid var(--line); }
.principles span { color: var(--gold-dark); font: 10px var(--mono); }
.principles strong { display: block; margin: 6px 0; font-family: var(--serif); font-size: 31px; font-weight: 500; }
.principles p { margin: 0; color: var(--muted); font-size: 13px; }
.scroll-cue { display: flex; gap: 12px; align-items: center; margin-top: 60px; color: var(--muted); font-size: 10px; letter-spacing: .14em; text-transform: uppercase; }
.scroll-cue i { width: 48px; height: 1px; background: var(--gold); animation: cue 2.4s infinite; transform-origin: left; }
@keyframes cue { 0%, 100% { transform: scaleX(.3); } 50% { transform: scaleX(1); } }

.section { width: var(--page); margin: 0 auto; padding: 110px 0; border-bottom: 1px solid var(--line); }
.section-head { display: grid; grid-template-columns: 1fr 1.35fr; gap: 8vw; margin-bottom: 62px; }
.section-head .eyebrow { grid-column: 1; }
.section-head h2 { grid-column: 1; margin-bottom: 0; font-family: var(--serif); font-size: clamp(45px, 5.2vw, 86px); font-weight: 430; letter-spacing: -.04em; line-height: .95; }
.section-head > p:last-child { grid-column: 2; grid-row: 1 / span 2; align-self: end; max-width: 660px; margin: 0; color: #514d45; font-family: var(--serif); font-size: clamp(21px, 2vw, 30px); line-height: 1.35; }
.grid { display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); }
.grid.two { grid-template-columns: repeat(2, 1fr); }
.grid.three { grid-template-columns: repeat(3, 1fr); }
.grid.four { grid-template-columns: repeat(4, 1fr); }
.grid article { position: relative; min-height: 260px; padding: 28px; background: var(--paper); }
.grid article > span { color: var(--gold-dark); font: 10px var(--mono); }
.grid h3 { margin: 45px 0 14px; font-family: var(--serif); font-size: 30px; font-weight: 500; line-height: 1; }
.grid p { color: var(--muted); font-size: 14px; }
.grid a { position: absolute; right: 28px; bottom: 25px; left: 28px; display: flex; justify-content: space-between; padding-top: 12px; border-top: 1px solid var(--line); color: var(--gold-dark); text-decoration: none; font-size: 12px; font-weight: 700; }

.finality-line { position: relative; padding-top: 35px; overflow-x: auto; scrollbar-width: thin; }
.finality-line > i { position: absolute; top: 58px; left: 3%; width: 94%; height: 2px; overflow: hidden; background: rgba(178,147,91,.28); }
.finality-line > i::after { content: ""; display: block; width: 18%; height: 100%; background: var(--gold); animation: finality-line 4.6s infinite ease-in-out; }
@keyframes finality-line { from { transform: translateX(-100%); } to { transform: translateX(650%); } }
.finality-line ol { display: grid; grid-template-columns: repeat(8, minmax(130px, 1fr)); min-width: 1080px; margin: 0; padding: 0; list-style: none; }
.finality-line li { position: relative; text-align: center; }
.finality-line li::before { content: ""; display: block; width: 12px; height: 12px; margin: 17px auto 30px; border: 2px solid var(--gold); border-radius: 50%; background: var(--ivory); }
.finality-line li span { display: block; margin-bottom: 6px; color: var(--gold-dark); font: 9px var(--mono); }
.finality-line li strong { font-family: var(--serif); font-size: 21px; font-weight: 500; }

.business-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.business-card { min-height: 340px; padding: 26px; background: var(--paper); text-decoration: none; transition: transform .25s, background .25s; }
.business-card:hover { z-index: 2; background: white; transform: translateY(-5px); }
.business-card span { color: var(--gold-dark); font-size: 10px; font-weight: 750; letter-spacing: .16em; text-transform: uppercase; }
.business-card h3 { margin: 120px 0 18px; font-family: var(--serif); font-size: 33px; font-weight: 500; line-height: .95; }
.business-card p { color: var(--muted); font-size: 13px; }
.business-card b { display: block; margin-top: 20px; color: var(--gold-dark); }
.finality-trust { box-shadow: inset 0 3px #755940; }
.finality-evidence { box-shadow: inset 0 3px #4d6476; }
.finality-systems { box-shadow: inset 0 3px #4f5b48; }
.finality-labs { box-shadow: inset 0 3px #73556f; }

.contrast { display: grid; grid-template-columns: 1fr 1fr; border: 1px solid var(--line); }
.contrast article { padding: 50px; }
.contrast article:last-child { background: var(--ink); color: white; }
.contrast ul, .legal-list { margin: 0; padding: 0; list-style: none; }
.contrast li, .legal-list li { padding: 17px 0; border-bottom: 1px solid currentColor; font-family: var(--serif); font-size: 24px; opacity: .9; }
.wordmark { padding: clamp(40px, 7vw, 110px); border: 1px solid var(--line); background: var(--paper); }
.wordmark.dark { background: var(--ink); color: white; }
.wordmark > strong { display: block; font-family: var(--serif); font-size: clamp(64px, 10vw, 170px); font-weight: 430; letter-spacing: -.06em; line-height: .8; }
.wordmark p { max-width: 700px; margin: 50px 0 35px; font-family: var(--serif); font-size: 27px; }
.proof-preview { padding: 48px; background: var(--ink); color: white; }
.proof-preview > div { display: flex; gap: 14px; align-items: center; flex-wrap: wrap; margin-bottom: 42px; font-family: var(--mono); font-size: 12px; }
.proof-preview strong { padding: 10px; border: 1px solid var(--gold); color: var(--gold); }
.code-card { max-width: 900px; margin-bottom: 30px; background: #121210; color: #ece5d7; box-shadow: 0 30px 80px rgba(11,11,10,.18); }
.code-card > div { display: flex; justify-content: space-between; padding: 12px 18px; border-bottom: 1px solid #333; color: #aaa399; font: 11px var(--mono); }
.code-card button { border: 0; background: none; color: var(--gold); cursor: pointer; }
.code-card pre { margin: 0; padding: 28px; overflow-x: auto; font: 13px/1.7 var(--mono); }
.trust-strip { display: grid; grid-template-columns: 1fr 1fr auto; align-items: end; gap: 1px; background: var(--line); border: 1px solid var(--line); }
.trust-strip article { display: grid; gap: 10px; min-height: 260px; padding: 35px; background: var(--paper); }
.trust-strip article strong { margin-bottom: 35px; font-family: var(--serif); font-size: 32px; }
.trust-strip article span { color: var(--muted); font-size: 13px; }
.trust-strip .button { margin: 30px; }
.transaction-mini { display: grid; grid-template-columns: 1fr auto 1fr auto 1fr; gap: 18px; align-items: center; }
.transaction-mini.four { grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr; }
.transaction-mini span { min-height: 140px; padding: 25px; border: 1px solid var(--line); font-size: 12px; }
.transaction-mini strong { display: block; margin-bottom: 18px; font-family: var(--serif); font-size: 45px; font-weight: 500; }
.legal-note { max-width: 900px; margin: 30px 0; color: var(--muted); font-size: 13px; }
.final-cta { padding-block: 140px; text-align: center; }
.final-cta h2 { font-family: var(--serif); font-size: clamp(62px, 8vw, 130px); font-weight: 430; letter-spacing: -.05em; line-height: .9; }
.final-cta p { color: var(--muted); font-family: var(--serif); font-size: 25px; }
.final-cta .actions { justify-content: center; }

.boundary { width: var(--page); margin: 70px auto; padding: 26px 30px; display: flex; gap: 20px; border: 1px solid rgba(162,56,46,.4); background: rgba(162,56,46,.055); }
.section .boundary { width: 100%; margin: 50px 0 0; }
.boundary > b { color: var(--red); font-size: 25px; }
.boundary strong { font-size: 12px; letter-spacing: .1em; text-transform: uppercase; }
.boundary p { max-width: 1050px; margin: 5px 0 0; color: #5d4b46; font-size: 13px; }
.signature { width: var(--page); margin: 70px auto 0; padding: 70px; border: 1px solid var(--line); background: var(--paper); }
.signature strong { display: block; font-family: var(--serif); font-size: clamp(70px, 9vw, 140px); font-weight: 430; letter-spacing: -.06em; line-height: .8; }
.signature p { max-width: 700px; margin: 40px 0 0; font-family: var(--serif); font-size: 28px; }
.signature.finality-fabric { box-shadow: inset 0 4px var(--gold); }
.signature.finality-trust { box-shadow: inset 0 4px #755940; }
.signature.finality-evidence { box-shadow: inset 0 4px #4d6476; }
.signature.finality-systems { box-shadow: inset 0 4px #4f5b48; }
.signature.finality-labs { box-shadow: inset 0 4px #73556f; }
.pill-list { display: flex; flex-wrap: wrap; gap: 10px; margin: 0; padding: 0; list-style: none; }
.pill-list li { padding: 11px 16px; border: 1px solid var(--line); background: var(--paper); font-size: 13px; }
.prose { max-width: 950px; color: #3f3b35; font-family: var(--serif); font-size: 23px; }
.publication-meta { width: var(--page); margin: 0 auto 90px; padding-top: 20px; display: flex; flex-wrap: wrap; gap: 20px; border-top: 1px solid var(--line); color: var(--muted); font: 10px var(--mono); }

.proof-lab { width: var(--page); margin: 80px auto; display: grid; grid-template-columns: .42fr 1fr; border: 1px solid var(--line); background: var(--paper); }
.proof-controls { padding: 36px; border-right: 1px solid var(--line); }
.proof-controls label { display: block; margin-bottom: 8px; font-size: 12px; font-weight: 750; }
.proof-controls select { width: 100%; min-height: 48px; margin-bottom: 12px; padding: 10px; border: 1px solid var(--line); background: white; color: var(--ink); }
.proof-controls .button { width: 100%; margin-top: 8px; }
.button:disabled { cursor: not-allowed; opacity: .45; }
.micro { margin-top: 20px; color: var(--muted); font-size: 11px; }
.proof-result { padding: 36px; }
.proof-state { display: inline-flex; margin-bottom: 25px; padding: 8px 13px; border: 1px solid var(--line); font: 11px var(--mono); text-transform: uppercase; }
.proof-state.stop { border-color: var(--red); color: var(--red); }
.proof-state.pass { border-color: var(--green); color: var(--green); }
.proof-result ol { margin: 0; padding: 0; list-style: none; }
.proof-result li { display: grid; grid-template-columns: 35px 1fr auto; align-items: center; min-height: 48px; border-bottom: 1px solid var(--line); font-size: 13px; }
.proof-result li span { color: var(--gold-dark); font: 10px var(--mono); }
.proof-result li strong { color: var(--muted); font: 10px var(--mono); }
.proof-result li.done strong { color: var(--green); }
.proof-result li.failed strong { color: var(--red); }
.proof-result dl { margin-top: 30px; }
.proof-result dl div { display: grid; grid-template-columns: 150px 1fr; gap: 15px; padding: 10px 0; border-bottom: 1px solid var(--line); }
.proof-result dt { font-size: 11px; font-weight: 700; }
.proof-result dd { margin: 0; overflow-wrap: anywhere; color: var(--muted); font: 10px var(--mono); }

.transaction-framework { width: var(--page); margin: 80px auto; display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.transaction-framework.four { grid-template-columns: repeat(4, 1fr); }
.transaction-framework article { min-height: 430px; padding: 35px; background: var(--paper); }
.transaction-framework article > span { color: var(--gold-dark); font: 10px var(--mono); }
.transaction-framework article > strong { display: block; margin: 75px 0 18px; font-family: var(--serif); font-size: 72px; font-weight: 440; }
.transaction-framework h2 { font-family: var(--serif); font-size: 29px; font-weight: 500; line-height: 1; }
.transaction-framework p { color: var(--muted); font-size: 14px; }

.atlas-legend { display: grid; grid-template-columns: repeat(3, 1fr); width: var(--page); margin: -20px auto 70px; border: 1px solid var(--line); }
.atlas-legend span { display: flex; align-items: center; gap: 12px; min-height: 72px; padding: 18px; border-right: 1px solid var(--line); font-size: 12px; text-transform: uppercase; letter-spacing: .06em; }
.atlas-legend span:last-child { border-right: 0; }
.atlas-legend b, .tier { display: inline-grid; place-items: center; width: 32px; height: 32px; border: 1px solid currentColor; color: var(--gold-dark); font: 700 12px var(--mono); }
.industry-atlas { width: var(--page); margin: 0 auto 90px; border-top: 1px solid var(--ink); }
.industry-atlas details { border-bottom: 1px solid var(--line); }
.industry-atlas summary { display: grid; grid-template-columns: 46px minmax(180px, 1fr) minmax(180px, .7fr); align-items: center; gap: 18px; min-height: 84px; padding: 10px 8px; cursor: pointer; }
.industry-atlas summary strong { font-family: var(--serif); font-size: 27px; font-weight: 500; }
.industry-atlas summary small { color: var(--muted); font-size: 10px; text-align: right; text-transform: uppercase; letter-spacing: .08em; }
.industry-atlas summary::marker { color: var(--gold-dark); }
.industry-atlas dl { display: grid; grid-template-columns: repeat(2, 1fr); margin: 0 0 25px 56px; border: 1px solid var(--line); }
.industry-atlas dl div { display: grid; grid-template-columns: minmax(150px, .42fr) 1fr; min-height: 92px; padding: 16px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.industry-atlas dt { color: var(--gold-dark); font: 10px/1.4 var(--mono); text-transform: uppercase; }
.industry-atlas dd { margin: 0; color: var(--muted); font-size: 13px; }
.tier-b { color: #6b655b; }
.tier-c { color: #8c8170; border-style: dashed; }

.source-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; border: 1px solid var(--line); background: var(--line); }
.source-list article { min-height: 260px; padding: 30px; background: var(--paper); }
.source-list h3 { font-family: var(--serif); font-size: 30px; font-weight: 500; }
.source-list p:not(.eyebrow) { color: var(--muted); }
.source-list a { display: inline-block; margin-top: 20px; color: var(--ink); text-decoration: underline; text-decoration-color: var(--gold); text-underline-offset: 5px; }

.contact-layout { width: var(--page); margin: 80px auto; display: grid; grid-template-columns: 1fr .65fr; gap: 1px; background: var(--line); border: 1px solid var(--line); }
.contact-layout form, .contact-layout aside { padding: clamp(30px, 5vw, 70px); background: var(--paper); }
.contact-layout label { display: grid; gap: 7px; margin-bottom: 20px; font-size: 11px; font-weight: 750; letter-spacing: .05em; text-transform: uppercase; }
.contact-layout input, .contact-layout select, .contact-layout textarea { width: 100%; padding: 13px; border: 1px solid var(--line); background: white; color: var(--ink); text-transform: none; }
.contact-layout .check { grid-template-columns: auto 1fr; align-items: start; text-transform: none; }
.contact-layout .check input { width: auto; margin-top: 4px; }
.honeypot { position: absolute; left: -9999px; }
.form-status { margin-top: 20px; padding: 13px; border-left: 3px solid var(--gold); background: rgba(178,147,91,.08); font-size: 12px; }
.form-status.error { border-color: var(--red); color: var(--red); }
.contact-layout aside h2 { font-family: var(--serif); font-size: 50px; font-weight: 450; }

.status-board { width: var(--page); margin: 80px auto; border: 1px solid var(--line); background: var(--paper); }
.status-summary { display: flex; gap: 20px; align-items: center; padding: 35px; border-bottom: 1px solid var(--line); }
.status-summary > i { width: 12px; height: 12px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 8px rgba(56,103,71,.12); }
.status-summary .eyebrow { margin-bottom: 3px; }
.status-summary h2 { margin: 0; font-family: var(--serif); font-size: 34px; font-weight: 500; }
.status-summary p:last-child { margin: 3px 0 0; color: var(--muted); font-size: 11px; }
.components { display: grid; grid-template-columns: repeat(2, 1fr); }
.components div { display: flex; justify-content: space-between; padding: 18px 25px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); font-size: 13px; }
.components strong { color: var(--green); font-size: 11px; }
.components strong.off { color: var(--red); }

footer { padding: 70px max(24px, calc((100vw - 1540px) / 2)) 25px; background: var(--ink); color: #eae5db; }
.footer-grid { display: grid; grid-template-columns: 2.2fr repeat(3, 1fr); gap: 60px; padding-bottom: 70px; }
.footer-brand { display: flex; gap: 18px; }
.footer-brand .mark { width: 40px; height: 47px; }
.footer-brand strong { font-family: var(--serif); font-size: 30px; font-weight: 500; }
.footer-brand p { margin: 5px 0; font-family: var(--serif); font-size: 19px; }
.footer-brand small { display: block; max-width: 500px; color: #9b958b; }
footer h2 { color: var(--gold); font-size: 10px; letter-spacing: .15em; text-transform: uppercase; }
footer > .footer-grid > div:not(:first-child) { display: flex; flex-direction: column; gap: 10px; }
footer a { color: #bbb5aa; text-decoration: none; font-size: 12px; }
footer a:hover { color: white; }
.footer-bottom { display: flex; justify-content: space-between; padding-top: 20px; border-top: 1px solid #33312d; color: #7f7a71; font-size: 10px; letter-spacing: .1em; text-transform: uppercase; }

dialog { width: min(760px, calc(100vw - 32px)); padding: 0; border: 1px solid var(--line); background: var(--paper); color: var(--ink); box-shadow: 0 30px 100px rgba(0,0,0,.3); }
dialog::backdrop { background: rgba(11,11,10,.62); backdrop-filter: blur(5px); }
.dialog-head { display: flex; justify-content: space-between; padding: 25px; border-bottom: 1px solid var(--line); }
.dialog-head .eyebrow { margin-bottom: 5px; }
.dialog-head h2 { margin: 0; font-family: var(--serif); font-size: 35px; font-weight: 500; }
.dialog-head button { width: 38px; height: 38px; border: 1px solid var(--line); background: none; cursor: pointer; font-size: 20px; }
.search-box { display: block; padding: 20px; }
.search-box input { width: 100%; min-height: 52px; padding: 12px 15px; border: 1px solid var(--line); background: white; }
.search-results { max-height: 420px; overflow-y: auto; padding: 0 20px 20px; }
.search-results a { display: block; padding: 15px 4px; border-bottom: 1px solid var(--line); text-decoration: none; }
.search-results strong { display: block; font-family: var(--serif); font-size: 21px; font-weight: 500; }
.search-results span { color: var(--muted); font-size: 11px; }
dialog > .micro { padding: 0 20px 20px; }

@media (max-width: 1180px) {
  :root { --page: calc(100vw - 44px); }
  .site-header { grid-template-columns: 1fr auto; min-height: 70px; padding-inline: 22px; }
  .menu-button { display: block; }
  .site-header nav { position: fixed; top: 70px; right: 0; left: 0; display: none; height: calc(100vh - 70px); padding: 20px; overflow-y: auto; background: var(--ivory); }
  .site-header nav.open { display: block; }
  .site-header details { height: auto; border-bottom: 1px solid var(--line); }
  .site-header summary { justify-content: space-between; height: 52px; padding: 0; font-size: 16px; }
  .site-header details > div { position: static; min-width: 0; padding: 0 0 14px; border: 0; background: none; box-shadow: none; transform: none; }
  .site-header details > div a { display: block; padding: 9px 0 9px 18px; }
  .utilities { display: none; }
  .home-hero-grid { grid-template-columns: 1fr; }
  .principles { grid-template-columns: repeat(3, 1fr); margin-top: 40px; }
  .principles article { padding-right: 20px; }
  .business-grid { grid-template-columns: repeat(3, 1fr); }
  .grid.four { grid-template-columns: repeat(2, 1fr); }
  .transaction-framework.four { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 760px) {
  :root { --page: calc(100vw - 28px); }
  .brand small { display: none; }
  .home-hero { min-height: auto; padding: 75px 14px 25px; }
  .home-hero h1 { font-size: clamp(56px, 16vw, 82px); }
  h1 { font-size: clamp(52px, 15vw, 76px); }
  .page-hero { min-height: 0; padding: 75px 0 60px; grid-template-columns: 1fr; }
  .hero-signal { display: none; }
  .lead { font-size: 21px; }
  .principles { grid-template-columns: 1fr; }
  .scroll-cue { margin-top: 35px; }
  .section { padding: 75px 0; }
  .section-head { grid-template-columns: 1fr; gap: 22px; margin-bottom: 38px; }
  .section-head h2, .section-head > p:last-child { grid-column: 1; grid-row: auto; }
  .section-head > p:last-child { font-size: 20px; }
  .grid.two, .grid.three, .grid.four, .business-grid, .contrast, .transaction-framework, .transaction-framework.four, .contact-layout, .proof-lab, .atlas-legend, .source-list { grid-template-columns: 1fr; }
  .grid article { min-height: 230px; }
  .business-card { min-height: 260px; }
  .business-card h3 { margin-top: 75px; }
  .contrast article { padding: 28px; }
  .wordmark { padding: 45px 22px; }
  .wordmark > strong { font-size: 18vw; }
  .wordmark p { margin-top: 30px; font-size: 21px; }
  .proof-preview { padding: 25px; }
  .trust-strip { grid-template-columns: 1fr; }
  .transaction-mini { grid-template-columns: 1fr; }
  .transaction-mini.four { grid-template-columns: 1fr; }
  .transaction-mini > i { transform: rotate(90deg); text-align: center; }
  .signature { padding: 45px 25px; }
  .signature strong { font-size: 17vw; }
  .proof-controls { border-right: 0; border-bottom: 1px solid var(--line); }
  .proof-result { padding: 24px; }
  .proof-result dl div { grid-template-columns: 1fr; }
  .transaction-framework article { min-height: 350px; }
  .atlas-legend span { border-right: 0; border-bottom: 1px solid var(--line); }
  .atlas-legend span:last-child { border-bottom: 0; }
  .industry-atlas summary { grid-template-columns: 40px 1fr; }
  .industry-atlas summary small { grid-column: 2; text-align: left; }
  .industry-atlas dl { grid-template-columns: 1fr; margin-left: 0; }
  .industry-atlas dl div { grid-template-columns: 1fr; gap: 8px; border-right: 0; }
  .contact-layout form, .contact-layout aside { padding: 28px; }
  .components { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px 20px; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-bottom { gap: 16px; flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}

@media print {
  .site-header, footer, dialog, .actions { display: none !important; }
  body { background: white; color: black; }
  .page-hero, .section, .publication-meta { width: 100%; padding: 30px 0; }
  a { text-decoration: none; }
}