:root {
  --ink: #17211e;
  --muted: #59645f;
  --night: #0b1715;
  --night-2: #102622;
  --forest: #173b34;
  --paper: #fffdf8;
  --ivory: #f3ede2;
  --sand: #e7ddcf;
  --copper: #b65d36;
  --copper-dark: #7c351f;
  --green: #63d69a;
  --red: #c45044;
  --line: rgba(23, 33, 30, .17);
  --sans: "DM Sans", sans-serif;
  --serif: "Fraunces", serif;
  --mono: "DM Mono", monospace;
  --shadow: 0 30px 90px rgba(10, 28, 24, .16);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--ivory); font: 17px/1.6 var(--sans); }
a { color: inherit; }
button, input, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
.skip-link { position: fixed; top: -60px; left: 18px; z-index: 99; padding: 10px 16px; color: white; background: var(--night); }
.skip-link:focus { top: 18px; }

.site-header { width: min(1400px, calc(100% - 56px)); min-height: 86px; margin: auto; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--line); }
.brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; }
.brand-mark { width: 40px; height: 46px; display: grid; place-items: center; color: var(--copper-dark); background: #ead6c1; border: 1px solid rgba(182, 93, 54, .32); border-radius: 12px; font: 700 28px/1 var(--serif); }
.brand strong { display: block; font-size: 15px; line-height: 1; letter-spacing: .28em; }
.brand small { display: block; margin-top: 7px; color: #67716d; font-size: 11px; letter-spacing: .15em; text-transform: uppercase; }
nav { display: flex; align-items: center; gap: 30px; font-size: 14px; font-weight: 700; }
nav a { text-decoration: none; }
nav a:not(.nav-cta):hover { color: var(--copper-dark); }
.nav-cta { padding: 11px 18px; color: white; background: var(--night); border-radius: 999px; }

.hero { position: relative; overflow: hidden; min-height: 790px; display: grid; grid-template-columns: minmax(0, 1.06fr) minmax(480px, .94fr); align-items: center; gap: 7vw; padding: 96px max(48px, calc((100vw - 1400px) / 2)); }
.hero::before { content: ""; position: absolute; inset: 0; z-index: -2; background-color: var(--ivory); background-image: linear-gradient(rgba(11, 23, 21, .045) 1px, transparent 1px), linear-gradient(90deg, rgba(11, 23, 21, .045) 1px, transparent 1px); background-size: 42px 42px; }
.hero::after { content: ""; position: absolute; z-index: -1; top: -330px; right: -170px; width: 820px; height: 820px; border: 1px solid rgba(182, 93, 54, .2); border-radius: 50%; box-shadow: 0 0 0 94px rgba(243, 237, 226, .78), 0 0 0 95px rgba(182, 93, 54, .08); }
.eyebrow { margin: 0 0 22px; color: var(--copper-dark); font-size: 12px; font-weight: 700; letter-spacing: .22em; text-transform: uppercase; }
.eyebrow.light { color: #f1aa81; }
h1, h2 { margin: 0; font-family: var(--serif); font-weight: 600; letter-spacing: -.04em; line-height: 1.02; }
h1 { max-width: 850px; font-size: clamp(56px, 6.2vw, 94px); }
h1 em { color: var(--copper); font-weight: 600; }
.hero-lead { max-width: 730px; margin: 30px 0 0; color: #46524e; font-size: clamp(18px, 1.5vw, 23px); line-height: 1.5; }
.hero-actions { display: flex; gap: 13px; margin-top: 36px; }
.button { min-height: 52px; display: inline-flex; align-items: center; justify-content: center; padding: 13px 22px; border: 1px solid transparent; border-radius: 4px; font-weight: 700; text-decoration: none; cursor: pointer; transition: transform .18s ease, background-color .18s ease, box-shadow .18s ease; }
.button:hover { transform: translateY(-2px); }
.button:focus-visible, a:focus-visible, summary:focus-visible, input:focus-visible, textarea:focus-visible { outline: 3px solid #e4a37c; outline-offset: 3px; }
.button-primary { color: white; background: var(--copper); box-shadow: 0 12px 28px rgba(124, 53, 31, .2); }
.button-primary:hover { background: var(--copper-dark); }
.button-secondary { color: var(--night); background: rgba(255, 253, 248, .55); border-color: var(--night); }
.hero-note { display: flex; align-items: center; gap: 9px; margin-top: 16px; color: #6b7570; font-size: 13px; }
.hero-note span { width: 8px; height: 8px; background: var(--green); border-radius: 50%; box-shadow: 0 0 0 5px rgba(99, 214, 154, .13); }

.recorder { position: relative; overflow: hidden; color: #e7f0eb; background: var(--night); border: 1px solid rgba(255, 255, 255, .14); box-shadow: var(--shadow); transform: rotate(.7deg); }
.recorder::after { content: ""; position: absolute; inset: 0; pointer-events: none; background: linear-gradient(105deg, transparent 0 48%, rgba(255, 255, 255, .025) 49% 51%, transparent 52%); background-size: 14px 14px; }
.recorder-top { min-height: 68px; display: flex; align-items: center; gap: 14px; padding: 13px 18px; background: #06100e; border-bottom: 1px solid rgba(255, 255, 255, .11); }
.recorder-light { width: 12px; height: 12px; flex: 0 0 auto; background: var(--red); border-radius: 50%; box-shadow: 0 0 0 6px rgba(196, 80, 68, .11), 0 0 20px rgba(196, 80, 68, .6); }
.recorder-top small, .recorder-top strong { display: block; }
.recorder-top small { color: #7f9890; font: 10px var(--mono); letter-spacing: .14em; }
.recorder-top strong { margin-top: 3px; font-size: 12px; letter-spacing: .08em; }
.recorder-top > code { margin-left: auto; color: #78968c; font: 11px var(--mono); }
.event-chain { position: relative; margin: 0; padding: 24px 24px 8px; list-style: none; }
.event-chain::before { content: ""; position: absolute; top: 55px; bottom: 40px; left: 48px; width: 1px; background: rgba(99, 214, 154, .34); }
.event-chain li { position: relative; z-index: 1; display: grid; grid-template-columns: 48px 1fr auto; gap: 13px; align-items: center; min-height: 112px; margin-bottom: 12px; padding: 16px; background: #102520; border: 1px solid rgba(255, 255, 255, .1); }
.event-index { width: 32px; height: 32px; display: grid; place-items: center; color: #96afa6; background: var(--night); border: 1px solid #3c5b52; border-radius: 50%; font: 9px var(--mono); }
.event-chain small, .event-chain strong, .event-chain code { display: block; }
.event-chain small { color: #759087; font: 9px var(--mono); letter-spacing: .14em; }
.event-chain strong { margin: 6px 0; color: white; font-size: 15px; }
.event-chain code { color: #9fb2ab; font: 10px var(--mono); }
.event-chain i { width: 25px; height: 25px; display: grid; place-items: center; color: var(--green); background: rgba(99, 214, 154, .08); border-radius: 50%; font-style: normal; }
.recorder-seal { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin: 8px 24px 20px; padding: 17px 18px; background: #071411; border: 1px solid #345249; }
.recorder-seal small, .recorder-seal code { display: block; }
.recorder-seal small { color: #79958b; font: 9px var(--mono); letter-spacing: .14em; }
.recorder-seal code { margin-top: 5px; color: white; font: 11px var(--mono); }
.recorder-seal > span { padding: 8px 11px; color: #91e7b6; background: rgba(99, 214, 154, .08); border: 1px solid rgba(99, 214, 154, .38); font: 10px var(--mono); letter-spacing: .12em; }
.recorder > p { margin: 0; padding: 12px 24px; color: #81958e; background: #06100e; font: 10px var(--mono); text-align: center; }

.signal-strip { display: grid; grid-template-columns: repeat(4, 1fr); color: #dfe9e4; background: var(--night); border-block: 1px solid #2f4a43; }
.signal-strip span { padding: 19px; border-right: 1px solid rgba(255,255,255,.13); text-align: center; font: 11px var(--mono); letter-spacing: .08em; text-transform: uppercase; }
.signal-strip span:last-child { border-right: 0; }

.witness-section { width: 100%; display: grid; grid-template-columns: .85fr 1.15fr; gap: 9vw; padding: 130px max(48px, calc((100vw - 1280px) / 2)); color: #eef5f1; background: var(--night); }
.witness-question h2 { max-width: 560px; font-size: clamp(50px, 5.5vw, 76px); }
.witness-copy > p { max-width: 700px; margin: 0 0 25px; color: #b9c9c1; font-size: 19px; }
.witness-copy blockquote { margin: 42px 0 0; padding: 23px 0 23px 26px; color: #d9e6df; border-left: 3px solid var(--copper); font-family: var(--serif); font-size: 23px; line-height: 1.45; }
.witness-copy blockquote strong { color: #f0ad86; }

.section { width: min(1280px, calc(100% - 48px)); margin: 0 auto; padding: 126px 0; }
.section-heading { max-width: 950px; }
.section-heading.compact { max-width: 780px; }
h2 { font-size: clamp(44px, 5vw, 70px); }
.section-heading > p:last-child { max-width: 850px; margin: 25px 0 0; color: var(--muted); font-size: 19px; }
.recorder-section { border-bottom: 1px solid var(--line); }
.capability-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; margin-top: 70px; background: var(--line); border: 1px solid var(--line); }
.capability-grid article { min-height: 340px; padding: 32px; background: var(--paper); }
.capability-grid article > span { color: var(--copper); font: 11px var(--mono); }
h3 { margin: 22px 0 12px; font-size: 25px; line-height: 1.18; }
.capability-grid p { color: var(--muted); }
.capability-grid code { display: inline-block; margin-top: 22px; padding: 7px 9px; color: var(--copper-dark); background: #f0e7da; font: 10px var(--mono); }

.how-section { padding-bottom: 150px; }
.how-rail { margin-top: 65px; border-top: 1px solid var(--line); }
.how-rail article { display: grid; grid-template-columns: 100px 1fr 230px; gap: 30px; align-items: center; padding: 34px 0; border-bottom: 1px solid var(--line); }
.step-number { color: var(--copper); font: 16px var(--mono); }
.how-rail h3 { margin: 0 0 8px; font-family: var(--serif); font-size: 30px; }
.how-rail p { max-width: 720px; margin: 0; color: var(--muted); }
.how-rail small { color: #64716b; font: 11px/1.5 var(--mono); text-transform: uppercase; }

.audience-section { width: 100%; display: grid; grid-template-columns: .9fr 1.1fr; gap: 8vw; padding: 122px max(48px, calc((100vw - 1280px) / 2)); color: white; background: var(--forest); }
.audience-intro h2 { max-width: 600px; }
.audience-list article { display: grid; grid-template-columns: 185px 1fr; gap: 25px; padding: 24px 0; border-bottom: 1px solid rgba(255, 255, 255, .17); }
.audience-list article:first-child { border-top: 1px solid rgba(255, 255, 255, .17); }
.audience-list span { color: #f0ad86; font: 10px var(--mono); letter-spacing: .13em; }
.audience-list p { margin: 0; color: #d2dfd8; font-size: 18px; }

.format-section { display: grid; grid-template-columns: .9fr 1.1fr; gap: 8vw; align-items: center; }
.format-copy > p:not(.eyebrow) { color: var(--muted); font-size: 18px; }
.format-note { padding: 17px 20px; background: var(--paper); border-left: 3px solid var(--copper); }
.format-diagram { display: grid; grid-template-columns: 1fr auto 1.2fr; gap: 20px; align-items: center; }
.agent-nodes { display: grid; gap: 10px; }
.agent-nodes span { padding: 14px 16px; background: var(--paper); border: 1px solid var(--line); font: 11px var(--mono); }
.format-diagram > i { color: var(--copper); font-size: 30px; font-style: normal; }
.receipt-node { padding: 34px 28px; color: white; background: var(--night); border: 1px solid #355148; box-shadow: 12px 12px 0 #d9cec0; }
.receipt-node small, .receipt-node strong, .receipt-node code { display: block; }
.receipt-node small { color: #8ba198; font: 9px var(--mono); letter-spacing: .14em; }
.receipt-node strong { margin: 17px 0; font-size: 20px; }
.receipt-node code { color: #93dcae; font: 10px var(--mono); }

.boundary-section { width: 100%; display: grid; grid-template-columns: .72fr 1.28fr; gap: 8vw; padding: 120px max(48px, calc((100vw - 1280px) / 2)); background: var(--sand); border-block: 1px solid rgba(124, 53, 31, .16); }
.boundary-intro > p:last-child { color: var(--muted); }
.boundary-columns { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; }
.boundary-columns h3 { margin-top: 0; }
.boundary-columns ul { padding-left: 20px; color: #4f5b56; }
.boundary-columns li { margin: 10px 0; }

.trial-section { width: 100%; display: grid; grid-template-columns: 1fr 1.03fr; gap: 8vw; align-items: center; padding: 124px max(48px, calc((100vw - 1280px) / 2)); color: #edf6f1; background: var(--night); }
.trial-copy h2 { max-width: 640px; }
.trial-copy > p:not(.eyebrow) { max-width: 650px; color: #bccbc4; font-size: 18px; }
.trial-copy ul { margin: 30px 0 0; padding: 0; list-style: none; }
.trial-copy li { position: relative; padding: 9px 0 9px 26px; color: #d6e2dc; }
.trial-copy li::before { content: "✓"; position: absolute; left: 0; color: var(--green); }
.trial-console { overflow: hidden; color: var(--ink); background: var(--paper); border: 1px solid #3d5b52; box-shadow: 16px 16px 0 #050d0b; }
.console-head { display: flex; justify-content: space-between; padding: 14px 18px; color: #aebfb7; background: #050e0c; font: 10px var(--mono); letter-spacing: .1em; }
.live-dot { color: var(--green); }
.console-content { padding: clamp(24px, 4vw, 42px); }
.mono-label { margin: 0 0 10px; color: #71807a; font: 10px var(--mono); letter-spacing: .13em; }
.file-row { display: flex; align-items: center; gap: 16px; padding: 18px; background: #f3eee5; border: 1px solid var(--line); }
.file-icon { width: 46px; height: 46px; display: grid; flex: 0 0 auto; place-items: center; color: white; background: var(--night); font: 11px var(--mono); }
.file-row strong, .file-row small { display: block; }
.file-row small { color: #6a7570; }
.button-seal { width: 100%; margin-top: 20px; color: white; background: var(--copper); }
.button-seal:disabled, .button-contact:disabled { opacity: .58; cursor: wait; transform: none; }
.console-status { min-height: 25px; margin: 14px 0 0; color: #68736e; font-size: 13px; }
.console-status.error, .form-status.error { color: var(--red); }
.seal-result { margin-top: 24px; padding-top: 24px; border-top: 1px solid var(--line); }
.result-badge { display: flex; align-items: center; gap: 10px; color: #287550; font: 500 11px var(--mono); letter-spacing: .08em; }
.result-badge span { width: 10px; height: 10px; background: var(--green); border-radius: 50%; box-shadow: 0 0 0 5px rgba(99,214,154,.13); }
.seal-result dl { margin: 18px 0; }
.seal-result dl div { display: grid; grid-template-columns: 100px minmax(0, 1fr); gap: 15px; padding: 9px 0; border-bottom: 1px solid var(--line); }
.seal-result dt { color: #68736e; font-size: 11px; text-transform: uppercase; }
.seal-result dd { min-width: 0; margin: 0; overflow-wrap: anywhere; font-weight: 700; }
.seal-result code { font: 11px var(--mono); }
.result-links { display: flex; flex-wrap: wrap; gap: 17px; }
.result-links a { color: var(--copper-dark); font-size: 13px; font-weight: 700; }

.access-section { width: 100%; display: grid; grid-template-columns: .9fr 1.1fr; gap: 8vw; align-items: center; padding: 124px max(48px, calc((100vw - 1280px) / 2)); background: var(--sand); border-bottom: 1px solid var(--line); }
.access-section[hidden] { display: none; }
.access-copy > p:not(.eyebrow) { max-width: 650px; color: var(--muted); }
.access-code { max-width: 620px; margin: 28px 0 20px; padding: 18px 20px; overflow-x: auto; color: #dceae3; background: var(--night); }
.access-code code { font: 13px var(--mono); white-space: nowrap; }
.access-boundary { padding-left: 18px; border-left: 3px solid var(--copper); font-size: 14px; }
.access-section form { border: 1px solid var(--line); box-shadow: var(--shadow); }
.access-section .consent a { color: var(--copper-dark); }
.button-access { width: 100%; color: white; background: var(--night); }
.button-access:disabled { opacity: .58; cursor: wait; transform: none; }

.anchor-section { width: min(1280px, calc(100% - 48px)); margin: 0 auto; padding: 126px 0; }
.anchor-section > div:first-child { display: grid; grid-template-columns: .5fr 1.5fr; gap: 6vw; align-items: start; }
.anchor-section h2 { max-width: 920px; }
.product-pair { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; margin-top: 65px; background: var(--line); border: 1px solid var(--line); }
.product-pair article { min-height: 330px; padding: 38px; background: var(--paper); }
.product-pair small { font: 10px var(--mono); letter-spacing: .13em; }
.product-pair h3 { font-family: var(--serif); font-size: 34px; }
.product-pair p { color: var(--muted); }
.product-pair a { display: inline-block; margin-top: 20px; color: var(--copper-dark); font-weight: 700; }
.sign-card { border-top: 4px solid var(--green); }
.sign-card small { color: #2d7b57; }
.anchor-card { border-top: 4px solid var(--copper); }
.anchor-card small { color: var(--copper-dark); }

.contact-section { width: 100%; display: grid; grid-template-columns: .85fr 1.15fr; gap: 8vw; padding: 120px max(48px, calc((100vw - 1280px) / 2)); color: white; background: #151b19; }
.contact-copy p:not(.eyebrow) { color: #b9c3be; }
.contact-copy > a { color: #efad87; font-weight: 700; }
form { padding: 38px; color: var(--ink); background: var(--paper); }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
label { display: block; margin-bottom: 18px; font-size: 13px; font-weight: 700; }
label span { color: #77817c; font-weight: 400; }
input, textarea { width: 100%; margin-top: 7px; padding: 13px 14px; color: var(--ink); background: white; border: 1px solid #b8bdb9; border-radius: 0; }
textarea { resize: vertical; }
.honeypot { position: absolute !important; left: -9999px !important; }
.consent { display: flex; gap: 10px; align-items: flex-start; font-weight: 400; }
.consent input { width: 18px; height: 18px; margin: 3px 0 0; flex: 0 0 auto; }
.button-contact { width: 100%; color: white; background: var(--copper); }
.form-status { min-height: 24px; margin: 12px 0 0; font-size: 13px; }
.form-status.success { color: #287550; }
.form-status.warning { color: var(--copper-dark); }

.faq-section { max-width: 980px; }
.faq-section details { padding: 24px 0; border-bottom: 1px solid var(--line); }
.faq-section summary { cursor: pointer; font-size: 20px; font-weight: 700; }
.faq-section details p { max-width: 820px; color: var(--muted); }

footer { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 40px; padding: 44px max(48px, calc((100vw - 1400px) / 2)); color: #becbc5; background: #050e0c; border-top: 1px solid #2d4942; }
.footer-brand { color: white; }
footer p { max-width: 630px; margin: 0; font-size: 12px; }
footer > div:last-child { display: flex; gap: 22px; font-size: 13px; }

.reveal { animation: reveal-up .75s both; }
.recorder.reveal { animation-delay: .15s; }
@keyframes reveal-up { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: translateY(0); } }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } .reveal { animation: none; } .button { transition: none; } }

@media (max-width: 1050px) {
  .hero { min-height: auto; grid-template-columns: 1fr; padding-top: 76px; }
  .recorder { max-width: 760px; transform: none; }
  .capability-grid { grid-template-columns: 1fr 1fr; }
  .witness-section, .audience-section, .format-section, .boundary-section, .trial-section, .access-section, .contact-section { grid-template-columns: 1fr; }
  .audience-list, .format-diagram, .trial-console { max-width: 760px; }
  footer { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  body { font-size: 16px; }
  .site-header, .section, .anchor-section { width: min(100% - 30px, 1280px); }
  .site-header { min-height: 74px; }
  nav a:not(.nav-cta) { display: none; }
  .brand small { display: none; }
  .nav-cta { padding: 9px 13px; font-size: 12px; }
  .hero { padding: 62px 15px 72px; }
  h1 { font-size: clamp(47px, 14.5vw, 68px); }
  h2 { font-size: clamp(38px, 11.8vw, 54px); }
  .hero-actions { flex-direction: column; }
  .event-chain { padding-inline: 12px; }
  .event-chain::before { left: 36px; }
  .event-chain li { grid-template-columns: 38px minmax(0, 1fr); padding: 13px; }
  .event-chain i { display: none; }
  .event-chain strong { overflow-wrap: anywhere; }
  .recorder-seal { margin-inline: 12px; }
  .signal-strip { grid-template-columns: 1fr 1fr; }
  .signal-strip span { border-bottom: 1px solid rgba(255,255,255,.13); }
  .witness-section, .audience-section, .boundary-section, .trial-section, .access-section, .contact-section { padding: 84px 15px; }
  .section, .anchor-section { padding-block: 84px; }
  .capability-grid { grid-template-columns: 1fr; margin-top: 44px; }
  .capability-grid article { min-height: auto; }
  .how-rail article { grid-template-columns: 50px 1fr; gap: 16px; }
  .how-rail article > small { grid-column: 2; }
  .audience-list article { grid-template-columns: 1fr; gap: 8px; }
  .format-diagram { grid-template-columns: 1fr; }
  .format-diagram > i { transform: rotate(90deg); justify-self: center; }
  .boundary-columns, .product-pair, .field-row { grid-template-columns: 1fr; }
  .anchor-section > div:first-child { grid-template-columns: 1fr; gap: 14px; }
  .product-pair { margin-top: 44px; }
  form { padding: 24px 18px; }
  footer { padding: 44px 15px; }
  footer > div:last-child { flex-wrap: wrap; }
}