:root {
  color-scheme: light;
  --orange: #ff6b20;
  --paper: #f3f1e8;
  --ink: #20221f;
  --muted: #55594f;
  --rule: #c6c8ba;
  --mono: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace;
  --sans: Arial, Helvetica, sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 24px; }
body { margin: 0; font: 16px/1.65 var(--sans); color: var(--ink); background: var(--paper); -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 5px; }
a:focus-visible, button:focus-visible, select:focus-visible, [tabindex]:focus-visible { outline: 3px solid #0a314b; outline-offset: 5px; }
p, h1, h2, h3 { margin: 0; }
svg { display: block; }
.wrap { width: min(100% - 96px, 1248px); margin-inline: auto; }
.skip-link { position: fixed; z-index: 5; left: 16px; top: 12px; padding: 12px; background: var(--ink); color: white; transform: translateY(-160%); }
.skip-link:focus { transform: none; }
.site-header { min-height: 82px; display: flex; justify-content: space-between; align-items: center; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 12px; font: 700 14px/1.4 var(--mono); }
.brand-symbol { font-size: 28px; line-height: 1; }
.site-header nav { display: flex; gap: 30px; font: 14px/1.5 var(--mono); }
.site-header nav a { padding-block: 12px; }
.recorder { background: var(--orange); border-block: 2px solid var(--ink); }
.recorder-inner { position: relative; padding-block: 27px 22px; }
.recorder-inner::before, .recorder-inner::after { content: '+'; position: absolute; font: 700 26px/1 var(--mono); top: 13px; }
.recorder-inner::before { left: -31px; }
.recorder-inner::after { right: -31px; }
.casing-label, .casing-foot { display: flex; justify-content: space-between; gap: 20px; font: 12px/1.5 var(--mono); letter-spacing: 1px; }
.recorder h1 { font-size: clamp(44px, 13.4vw, 186px); line-height: 1; letter-spacing: -.075em; font-weight: 900; margin: 19px 0 25px; }
.recorder-story { display: grid; grid-template-columns: 1fr 340px; gap: 80px; padding-top: 27px; border-top: 2px solid var(--ink); align-items: start; }
.hero-copy h2 { font-size: clamp(30px, 3.5vw, 48px); line-height: 1.05; letter-spacing: -1.7px; }
.hero-description { max-width: 655px; margin-top: 20px; line-height: 1.65; }
.hero-actions { display: flex; gap: 26px; align-items: center; margin-top: 24px; }
.button { display: inline-flex; justify-content: space-between; gap: 27px; padding: 13px 17px; background: var(--ink); color: #fff7ed; font: 700 14px/1.5 var(--mono); border: 1px solid var(--ink); }
.button:hover { background: #383b33; text-decoration: none; }
.text-link { font: 14px/1.5 var(--mono); border-bottom: 1px solid; padding-bottom: 4px; }
.identification-plate { border: 2px solid var(--ink); background: #f4ead5; padding: 19px 20px; box-shadow: 5px 5px 0 #cc4610; }
.plate-title { font: 700 12px/1.5 var(--mono); letter-spacing: 1px; border-bottom: 1px solid var(--ink); padding-bottom: 12px; }
.identification-plate dl { margin: 13px 0; }
.identification-plate dl div { display: grid; grid-template-columns: 90px 1fr; gap: 8px; margin-top: 11px; }
.identification-plate dt { font: 12px/1.65 var(--mono); text-transform: uppercase; }
.identification-plate dd { margin: 0; font-size: 14px; line-height: 1.5; font-weight: 700; }
.plate-foot { padding-top: 12px; border-top: 1px solid var(--ink); font: 12px/1.65 var(--mono); }
.checkpoint { display: grid; grid-template-columns: 175px 1fr; gap: 25px; margin: 0 0 28px; padding: 21px 24px; background: var(--ink); color: #fff6e7; }
.checkpoint-label { font: 700 12px/1.65 var(--mono); letter-spacing: 1px; color: #ff914f; }
.checkpoint h3 { font-size: 21px; line-height: 1.35; }
.checkpoint p { font-size: 16px; margin-top: 8px; color: #dedfd5; }
.casing-foot { margin-top: 21px; font-size: 11px; }
.eyebrow { font: 12px/1.6 var(--mono); letter-spacing: 1px; color: var(--muted); }
.system-section, .demo-section, .status-section, .requirements-section { padding-top: 86px; }
.section-heading { display: grid; grid-template-columns: 1fr 360px; gap: 60px; align-items: end; margin-bottom: 35px; }
.section-heading h2 { font-size: clamp(29px, 4vw, 48px); line-height: 1.1; letter-spacing: -1.7px; margin-top: 14px; }
.section-heading > p { color: var(--muted); }
.system-flow { list-style: none; margin: 0; padding: 0; border-top: 2px solid var(--ink); }
.system-flow li { position: relative; display: grid; grid-template-columns: 235px 280px 1fr; column-gap: 32px; padding: 27px 0; border-bottom: 1px solid var(--rule); align-items: start; }
.component-top { grid-row: span 2; display: flex; gap: 15px; align-items: center; font: 12px/1.6 var(--mono); }
.component-top svg { width: 30px; flex-shrink: 0; fill: none; stroke: var(--ink); stroke-width: 1.5; order: -1; }
.system-flow h3 { font-size: 23px; line-height: 1.3; letter-spacing: -.5px; }
.system-flow p { color: var(--muted); }
.flow-tag { grid-column: 2 / 4; margin-top: 12px; font: 12px/1.6 var(--mono); color: var(--muted); }
.system-flow li:not(:last-child)::after { content: '↓'; position: absolute; bottom: -14px; left: 10px; background: var(--paper); font: 24px/1 var(--mono); padding: 0 4px; }
.demo-disclosure { display: flex; gap: 17px; align-items: start; margin-bottom: 22px; }
.demo-badge { background: var(--orange); border: 1px solid var(--ink); font: 700 12px/1.5 var(--mono); padding: 5px 8px; flex-shrink: 0; }
.demo-disclosure p { font-size: 16px; color: var(--muted); }
.demo-console { --rule: #51584b; --muted: #c2c8b8; color-scheme: dark; color: #f0f1e7; background: #232820; border: 8px solid #d5d8cb; box-shadow: 0 0 0 1px #9da391; }
.demo-console :focus-visible { outline-color: #8eddf7; }
.console-heading { padding: 18px 23px; border-bottom: 1px solid var(--rule); display: flex; gap: 15px; justify-content: space-between; font: 12px/1.6 var(--mono); }
.console-state { color: #b5dfa2; }
.console-state.cleared { color: #ffad71; }
.demo-toolbar { display: flex; flex-wrap: wrap; gap: 20px; padding: 23px; align-items: end; border-bottom: 1px solid var(--rule); }
.demo-toolbar label { display: block; margin-bottom: 8px; font: 12px/1.6 var(--mono); color: var(--muted); }
select, button { font: 14px/1.5 var(--mono); border: 1px solid #7c8572; border-radius: 0; min-height: 44px; background: #30372b; color: #f0f1e7; }
select { padding: 9px 30px 9px 12px; max-width: 100%; }
button { padding: 10px 13px; cursor: pointer; }
button:hover:enabled { border-color: #ffad71; background: #424935; }
button:disabled { cursor: default; color: #abb19f; border-color: #51584b; background: #232820; }
#rebuild-projection:enabled { background: var(--orange); border-color: var(--orange); color: #20221f; }
.demo-controls { display: flex; gap: 10px; flex-wrap: wrap; }
.demo-panels { display: grid; grid-template-columns: 1fr 1fr; }
.source-panel, .query-panel { padding: 25px 23px; min-width: 0; }
.source-panel { border-right: 1px solid var(--rule); }
.panel-heading { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; justify-content: space-between; }
.panel-heading h3 { font-size: 16px; }
.panel-heading > span { font: 12px/1.6 var(--mono); color: var(--muted); }
.receipt-list { list-style: none; padding: 0; margin: 22px 0; min-height: 190px; }
.receipt-list li { border-top: 1px solid #737b68; border-bottom: 1px solid #737b68; padding: 16px 12px; background: #30372b; margin-top: 12px; }
.receipt-heading { display: flex; align-items: center; justify-content: space-between; gap: 12px; font-family: var(--mono); }
.receipt-heading strong { color: #ffad71; font-size: 14px; }
.receipt-heading span { color: #c2c8b8; font-size: 11px; letter-spacing: .4px; }
.receipt-list p { font: 14px/1.7 var(--mono); margin-top: 10px; color: #d8dfcc; }
.archive-intact { display: flex; gap: 9px; align-items: center; font: 12px/1.6 var(--mono); color: var(--muted); }
.status-dot { height: 7px; width: 7px; background: #b5dfa2; flex-shrink: 0; }
.query-panel pre { font: 14px/1.9 var(--mono); color: #f4d6ad; min-height: 190px; margin: 22px 0 16px; white-space: pre-wrap; overflow-wrap: anywhere; }
.query-note { font-size: 16px; color: var(--muted); }
.demo-event { border-top: 1px solid var(--rule); padding: 17px 23px; background: #30372b; font: 12px/1.7 var(--mono); color: #d8dfcc; }
.demo-notes { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; margin-top: 28px; }
.demo-notes p { color: var(--muted); }
.note-label { display: block; font: 700 12px/1.6 var(--mono); color: var(--ink); margin-bottom: 9px; }
.noscript-note { margin-top: 16px; }
.principle-section { display: flex; gap: 40px; align-items: start; padding: 35px 0; margin-top: 65px; border-block: 2px solid var(--ink); }
.principle-mark { font: 90px/1 var(--mono); color: #bc430b; }
.principle-section h2 { font-size: 32px; line-height: 1.2; letter-spacing: -.7px; margin: 9px 0 15px; }
.principle-section p:last-child { max-width: 900px; color: var(--muted); }
.status-section { display: grid; grid-template-columns: 1fr 1.55fr; gap: 65px; }
.status-intro h2 { font-size: 38px; line-height: 1.12; letter-spacing: -1.3px; margin-top: 16px; }
.status-intro > p:not(.eyebrow) { color: var(--muted); margin-top: 22px; }
.milestone-label { display: block; font: 12px/1.7 var(--mono); margin-top: 28px; }
.milestones { border-top: 2px solid var(--ink); }
.milestones article { display: flex; gap: 22px; padding-block: 26px; border-bottom: 1px solid var(--rule); }
.milestone-index { font: 14px/1.6 var(--mono); color: var(--muted); }
.milestone-status { display: inline-block; font: 12px/1.7 var(--mono); border-bottom: 1px solid #949988; }
.milestone-status.available { background: #dce3cd; padding-inline: 6px; }
.milestones h3 { font-size: 23px; line-height: 1.3; margin-block: 12px; letter-spacing: -.4px; }
.milestones p { color: var(--muted); }
.requirements-section { padding-bottom: 80px; }
.requirements-grid { border-top: 2px solid var(--ink); }
.requirements-grid article { display: grid; grid-template-columns: 300px 1fr; gap: 40px; padding-block: 23px; border-bottom: 1px solid var(--rule); }
.requirements-grid h3 { font-size: 20px; }
.requirements-grid p { color: var(--muted); }
.site-footer { border-top: 2px solid var(--ink); padding-block: 25px 35px; display: flex; justify-content: space-between; align-items: center; gap: 25px; }
.footer-brand { font: 900 28px/1 var(--sans); letter-spacing: -1.3px; }
.site-footer p { font: 12px/1.6 var(--mono); }
.site-footer > a:last-child { font: 14px/1.6 var(--mono); }
@media (max-width: 1080px) {
  .wrap { width: calc(100% - 64px); }
  .recorder-story { gap: 35px; grid-template-columns: 1fr 300px; }
  .system-flow li { grid-template-columns: 195px 220px 1fr; gap: 20px; }
  .section-heading { grid-template-columns: 1fr 300px; gap: 35px; }
  .status-section { gap: 35px; }
}
@media (max-width: 760px) {
  .wrap { width: calc(100% - 40px); }
  .site-header { align-items: start; flex-direction: column; gap: 6px; padding-block: 17px; }
  .site-header nav { gap: 22px; }
  .recorder-inner { padding-block: 25px 20px; }
  .recorder-inner::before, .recorder-inner::after { display: none; }
  .casing-label { flex-direction: column; gap: 4px; font-size: 11px; letter-spacing: .5px; }
  .recorder h1 { font-size: 14vw; margin-block: 20px; }
  .recorder-story { grid-template-columns: 1fr; gap: 28px; padding-top: 23px; }
  .hero-copy h2 { font-size: 38px; }
  .hero-description { margin-top: 17px; }
  .hero-actions { gap: 20px; flex-wrap: wrap; }
  .identification-plate { max-width: 440px; }
  .checkpoint { grid-template-columns: 1fr; gap: 9px; margin: 0 0 27px; padding: 20px; }
  .checkpoint h3 { font-size: 22px; }
  .casing-foot { flex-direction: column; gap: 3px; font-size: 10px; }
  .system-section, .demo-section, .status-section, .requirements-section { padding-top: 60px; }
  .section-heading { grid-template-columns: 1fr; gap: 20px; margin-bottom: 25px; }
  .section-heading h2 { font-size: 36px; }
  .system-flow li { grid-template-columns: 1fr; gap: 13px; padding-block: 26px; }
  .component-top { grid-row: auto; }
  .flow-tag { grid-column: auto; margin-top: 0; }
  .demo-disclosure { flex-direction: column; gap: 10px; }
  .demo-console { border-width: 5px; }
  .console-heading { flex-direction: column; gap: 6px; padding: 17px; }
  .demo-toolbar { padding: 17px; gap: 15px; }
  .demo-toolbar > div:not(.demo-controls) { flex: 1 1 180px; min-width: 0; }
  select { width: 100%; }
  .demo-controls { width: 100%; }
  .demo-controls button { flex: 1 1 220px; }
  .demo-panels { grid-template-columns: 1fr; }
  .source-panel { border-right: 0; border-bottom: 1px solid var(--rule); }
  .source-panel, .query-panel { padding: 23px 17px; }
  .receipt-list { min-height: 0; }
  .receipt-heading { flex-wrap: wrap; gap: 6px; }
  .demo-event { padding-inline: 17px; }
  .demo-notes { grid-template-columns: 1fr; gap: 22px; }
  .principle-section { gap: 20px; margin-top: 45px; }
  .principle-mark { font-size: 50px; }
  .principle-section h2 { font-size: 29px; }
  .status-section { grid-template-columns: 1fr; gap: 28px; }
  .status-intro h2 { font-size: 36px; }
  .requirements-grid article { grid-template-columns: 1fr; gap: 12px; }
  .requirements-section { padding-bottom: 55px; }
  .site-footer { flex-wrap: wrap; gap: 18px; }
  .site-footer p { width: 100%; order: 3; }
}
@media (max-width: 380px) {
  .wrap { width: calc(100% - 32px); }
  .site-header nav { gap: 13px; font-size: 14px; }
  .hero-copy h2 { font-size: 34px; }
  .identification-plate { padding: 17px; }
  .identification-plate dl div { grid-template-columns: 75px 1fr; }
  .principle-mark { display: none; }
  .milestones article { gap: 14px; }
  .milestone-status { font-size: 11px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}