:root {
  --ink: #11110f;
  --paper: #eee9de;
  --paper-bright: #faf7ef;
  --red: #e12b23;
  --red-dark: #b71914;
  --ochre: #d4aa3d;
  --muted: #6e6960;
  --line: rgba(17, 17, 15, 0.24);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  background: var(--paper);
  color: var(--ink);
  font-family: Arial, Helvetica, sans-serif;
  margin: 0;
  overflow-x: hidden;
}
button, textarea, input { font: inherit; }
a { color: inherit; text-decoration: none; }
code { font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace; }
::selection { background: var(--red); color: white; }
:focus-visible { outline: 4px solid var(--red); outline-offset: 4px; }
.skip-link { background: var(--paper-bright); left: 12px; padding: 12px 16px; position: fixed; top: -100px; z-index: 100; }
.skip-link:focus { top: 12px; }

.masthead {
  align-items: center;
  background: var(--ink);
  color: var(--paper-bright);
  display: grid;
  gap: 24px;
  grid-template-columns: 1fr auto 1fr;
  min-height: 76px;
  padding: 0 4.2vw;
  position: relative;
  z-index: 20;
}
.wordmark { font-family: Georgia, serif; font-size: 23px; font-weight: 900; letter-spacing: -1px; }
.wordmark span, .footer-mark span { color: var(--red); }
.nav-edition { color: #aaa59b; font-size: 10px; font-weight: 800; letter-spacing: 3px; }
.nav-links { display: flex; gap: 25px; justify-content: flex-end; }
.nav-links a { border-bottom: 2px solid transparent; font-size: 10px; font-weight: 900; letter-spacing: 2px; padding: 8px 0; text-transform: uppercase; }
.nav-links a:hover { border-color: var(--red); }

.hero {
  background-color: var(--paper);
  background-image: radial-gradient(rgba(17,17,15,.13) .7px, transparent .7px);
  background-size: 6px 6px;
  display: grid;
  gap: 5vw;
  grid-template-columns: minmax(0, 1fr) minmax(520px, .92fr);
  min-height: 900px;
  overflow: hidden;
  padding: 92px 5vw 80px;
  position: relative;
}
.hero-copy { align-self: center; max-width: 900px; }
.eyebrow { color: var(--red); font-size: 11px; font-weight: 900; letter-spacing: 4px; margin: 0 0 22px; text-transform: uppercase; }
.eyebrow.light { color: #ff736c; }
.hero h1,
.section-heading h2,
.film-copy h2,
.install-heading h2,
.truth-card h2 {
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 900;
  letter-spacing: -6px;
  line-height: .86;
  margin: 0;
}
.hero h1 { font-size: clamp(68px, 7.7vw, 132px); }
.hero h1 span, .section-heading h2 span, .film-copy h2 span, .install-heading h2 span { color: var(--red); }
.hero-dek { font-family: Georgia, serif; font-size: clamp(31px, 2.8vw, 48px); font-style: italic; line-height: 1.08; margin: 38px 0 34px; max-width: 880px; }
.hero-byline { font-size: 12px; font-weight: 900; letter-spacing: 2px; margin: 0 0 16px; text-transform: uppercase; }
.hero-byline a { border-bottom: 2px solid var(--red); }
.hero-answer { font-family: Georgia, serif; font-size: 18px; line-height: 1.45; margin: 0 0 34px; max-width: 680px; }
.hero-actions { align-items: center; display: flex; flex-wrap: wrap; gap: 20px; }
.button { align-items: center; cursor: pointer; display: inline-flex; font-size: 11px; font-weight: 900; justify-content: center; letter-spacing: 2px; min-height: 54px; padding: 0 24px; text-transform: uppercase; }
.button.primary { background: var(--red); color: white; }
.button.primary:hover { background: var(--red-dark); }
.button.text-button { border-bottom: 2px solid var(--ink); gap: 14px; padding-left: 2px; padding-right: 2px; }
.button.text-button span { color: var(--red); font-size: 24px; }
.button.light-button { background: var(--paper-bright); color: var(--ink); margin-top: 20px; }
.hero-footnote { border-left: 5px solid var(--red); font-family: Georgia, serif; font-size: 16px; line-height: 1.35; margin: 34px 0 0; max-width: 760px; padding-left: 16px; }
.hero-footnote strong { color: var(--red); font-size: 24px; }

.hero-system { align-self: center; display: grid; gap: 48px; position: relative; }
.system-card {
  background: var(--paper-bright);
  border: 3px solid var(--ink);
  box-shadow: 16px 18px 0 rgba(17,17,15,.15);
  padding: 28px 30px;
  position: relative;
  width: min(520px, 88%);
}
.system-card-old { justify-self: start; rotate: -3deg; }
.system-card-new { justify-self: end; rotate: 2deg; }
.system-kicker { border-bottom: 4px solid var(--ink); color: var(--red); font-size: 10px; font-weight: 900; letter-spacing: 3px; padding-bottom: 11px; }
.system-card h2 { font-family: Georgia, serif; font-size: 68px; letter-spacing: -4px; line-height: .9; margin: 22px 0; }
.mini-flow { align-items: center; display: flex; flex-wrap: wrap; gap: 9px; }
.mini-flow span { background: var(--ink); color: var(--paper-bright); font-size: 10px; font-weight: 900; letter-spacing: 2px; padding: 10px 12px; }
.mini-flow b { color: var(--red); font-size: 24px; }
.mini-flow-loop span { background: var(--red); }
.system-card ul { font-family: Georgia, serif; font-size: 18px; line-height: 1.35; margin: 22px 0 0; padding-left: 22px; }
.system-stamp { background: var(--paper-bright); border: 5px solid var(--red); color: var(--red); font-size: 13px; font-weight: 900; letter-spacing: 2px; line-height: .95; padding: 8px 11px 6px; position: absolute; right: 18px; rotate: -6deg; text-align: center; top: -22px; }
.system-card-new .system-stamp { rotate: 7deg; }

.ticker { align-items: center; background: var(--red); color: white; display: flex; gap: 23px; min-height: 54px; overflow: hidden; padding: 0 4vw; white-space: nowrap; }
.ticker span { font-size: 11px; font-weight: 900; letter-spacing: 3px; }
.ticker i { color: var(--ink); font-size: 9px; }

.receipt-section,
.upgrade-section,
.responsibility-section { margin: 0 auto; max-width: 1580px; padding: 120px 5vw; }
.section-heading { margin-bottom: 58px; }
.split-heading { display: grid; gap: 55px; grid-template-columns: minmax(0, 1fr) minmax(360px, .62fr); }
.truth-card a, .footer-small a { text-decoration: underline; text-decoration-color: var(--red); text-decoration-thickness: 2px; text-underline-offset: 3px; }
.section-heading h2 { font-size: clamp(55px, 6vw, 95px); }
.heading-copy { align-self: end; font-family: Georgia, serif; font-size: 21px; line-height: 1.35; margin: 0; }
.heading-copy p { margin: 0 0 18px; }
.provenance-inline { border-left: 5px solid var(--red); color: var(--muted); font-size: 16px; padding-left: 16px; }
.centered-heading { margin-left: auto; margin-right: auto; max-width: 1080px; text-align: center; }
.centered-heading > p:last-child { font-family: Georgia, serif; font-size: 22px; line-height: 1.35; margin: 30px auto 0; max-width: 820px; }

.receipt-tabs { display: grid; gap: 10px; grid-template-columns: repeat(3, 1fr); margin-bottom: 10px; }
.receipt-tabs button { align-items: center; background: transparent; border: 2px solid var(--ink); color: var(--ink); cursor: pointer; display: flex; gap: 18px; min-height: 98px; padding: 16px 20px; text-align: left; }
.receipt-tabs button b { color: var(--red); font-family: Georgia, serif; font-size: 42px; }
.receipt-tabs button span { font-size: 13px; font-weight: 900; letter-spacing: 2px; line-height: 1.2; }
.receipt-tabs button:hover, .receipt-tabs button.active { background: var(--ink); color: var(--paper-bright); }
.receipt { border: 3px solid var(--ink); }
.receipt-top { background: var(--red); color: white; display: flex; font-size: 10px; font-weight: 900; justify-content: space-between; letter-spacing: 3px; padding: 15px 20px 13px; }
.receipt-grid { display: grid; grid-template-columns: .78fr 1.22fr; min-height: 590px; }
.receipt-prompt { background: var(--ink); color: var(--paper-bright); display: flex; flex-direction: column; padding: 34px; }
.receipt-prompt > code { font-size: clamp(21px, 2vw, 32px); line-height: 1.35; margin: 30px 0; }
.receipt-prompt > code > span:first-child { color: #ff665e; font-weight: 900; }
.receipt-source { border-left: 4px solid var(--red); color: #aaa49a; font-family: Georgia, serif; font-size: 15px; line-height: 1.4; margin: auto 0 0; padding-left: 16px; }
.receipt-answer { background-color: var(--paper-bright); background-image: repeating-linear-gradient(0deg, transparent 0 35px, rgba(17,17,15,.06) 36px); display: flex; flex-direction: column; padding: 34px; }
.micro-label { color: var(--red); font-size: 10px; font-weight: 900; letter-spacing: 3px; margin: 0; text-transform: uppercase; }
.receipt-answer blockquote { font-family: Georgia, serif; font-size: clamp(27px, 2.45vw, 42px); font-weight: 700; letter-spacing: -1px; line-height: 1.08; margin: 34px 0; }
.editor-note { border: 5px solid var(--red); display: grid; gap: 13px; margin-top: auto; padding: 18px 20px; }
.editor-note strong { color: var(--red); font-size: 10px; letter-spacing: 3px; }
.editor-note span { font-family: Georgia, serif; font-size: 18px; line-height: 1.25; }

.failure-section { background: var(--ink); color: var(--paper-bright); padding: 120px 5vw; }
.failure-grid { display: grid; gap: 16px; grid-template-columns: repeat(4, 1fr); margin: 0 auto; max-width: 1500px; }
.failure-grid article { border: 2px solid #777168; min-height: 285px; padding: 25px; }
.failure-grid b { color: #ff736c; font-family: Georgia, serif; font-size: 44px; }
.failure-grid h3 { font-family: Georgia, serif; font-size: 28px; letter-spacing: -1px; margin: 38px 0 14px; }
.failure-grid p { color: #c9c4bb; font-family: Georgia, serif; font-size: 18px; line-height: 1.35; margin: 0; }
.failure-equation { align-items: center; border-top: 3px solid var(--paper-bright); display: flex; font-family: Georgia, serif; font-size: clamp(32px, 4vw, 68px); font-weight: 900; justify-content: space-between; letter-spacing: -3px; margin: 70px auto 0; max-width: 1500px; padding-top: 30px; }
.failure-equation strong { color: #ff736c; }

.architecture-switch { border: 3px solid var(--ink); display: grid; grid-template-columns: 320px 1fr; }
.switch-buttons { background: var(--ink); display: flex; flex-direction: column; gap: 1px; padding: 18px; }
.switch-buttons button { background: transparent; border: 2px solid #5f5b54; color: var(--paper-bright); cursor: pointer; font-size: 12px; font-weight: 900; letter-spacing: 2px; min-height: 82px; padding: 16px; text-align: left; }
.switch-buttons button.active, .switch-buttons button:hover { background: var(--red); border-color: var(--red); }
.architecture-panel { background: var(--paper-bright); min-height: 350px; padding: 42px; }
.architecture-panel h3 { font-family: Georgia, serif; font-size: clamp(38px, 4vw, 66px); letter-spacing: -3px; line-height: .95; margin: 20px 0 30px; }
.architecture-flow { align-items: center; display: flex; flex-wrap: wrap; gap: 10px; }
.architecture-flow span { background: var(--ink); color: var(--paper-bright); font-size: 11px; font-weight: 900; letter-spacing: 2px; padding: 13px 15px; }
.architecture-flow b { color: var(--red); font-size: 30px; }
.architecture-panel > p:last-child { font-family: Georgia, serif; font-size: 19px; line-height: 1.35; margin: 28px 0 0; max-width: 980px; }
.harness-command { background: var(--ink); box-shadow: 18px 20px 0 var(--red); color: var(--paper-bright); margin-top: 62px; }
.terminal-top { border-bottom: 1px solid #4c4943; color: #a9a39a; display: flex; font-size: 10px; justify-content: space-between; letter-spacing: 2px; padding: 15px 20px; }
.harness-command pre { font-size: clamp(14px, 1.45vw, 22px); line-height: 1.65; margin: 0; overflow-x: auto; padding: 32px; }
.prompt { color: #ff665e; font-weight: 900; }
.execution-ledger { border-top: 1px solid #4c4943; display: grid; gap: 1px; grid-template-columns: repeat(5, 1fr); }
.execution-ledger span { color: #c8c2b8; font-size: 10px; font-weight: 900; letter-spacing: 1.6px; padding: 16px; text-align: center; }

.film-section { background: var(--red); color: var(--paper-bright); display: grid; gap: 60px; grid-template-columns: .68fr 1.32fr; padding: 120px 5vw; }
.film-copy { align-self: center; }
.film-copy h2 { font-size: clamp(54px, 5.7vw, 93px); }
.film-copy p:not(.eyebrow) { font-family: Georgia, serif; font-size: 21px; line-height: 1.35; margin: 34px 0 18px; max-width: 560px; }
.film-copy h2 span { color: var(--ink); }
.video-frame { align-self: center; background: #000; border: 2px solid var(--ink); box-shadow: 22px 24px 0 var(--ink); }
.video-frame video { aspect-ratio: 16/9; display: block; width: 100%; }
.video-label { background: var(--paper-bright); color: var(--ink); display: flex; font-size: 9px; font-weight: 900; justify-content: space-between; letter-spacing: 2.5px; padding: 11px 14px 9px; }
.video-label span:last-child { color: var(--red); }

.responsibility-grid { display: grid; gap: 13px; grid-template-columns: repeat(5, 1fr); }
.responsibility-grid article { background: var(--paper-bright); border: 2px solid var(--ink); min-height: 300px; padding: 23px; }
.responsibility-grid span { color: var(--red); font-size: 9px; font-weight: 900; letter-spacing: 2.5px; }
.responsibility-grid h3 { font-family: Georgia, serif; font-size: 27px; letter-spacing: -1px; margin: 44px 0 15px; }
.responsibility-grid p { font-family: Georgia, serif; font-size: 17px; line-height: 1.35; margin: 0; }
.autonomy-warning { align-items: start; background: var(--ink); color: var(--paper-bright); display: grid; gap: 28px; grid-template-columns: 260px 1fr; margin-top: 18px; padding: 25px; }
.autonomy-warning strong { color: #ff736c; font-size: 12px; letter-spacing: 3px; }
.autonomy-warning span { font-family: Georgia, serif; font-size: 19px; line-height: 1.35; }

.truth-section { display: grid; grid-template-columns: 1fr 1fr; }
.truth-card { min-height: 560px; padding: 100px 6vw; }
.truth-card-history { background: var(--paper-bright); }
.truth-card-current { background: var(--ink); color: var(--paper-bright); }
.truth-card h2 { font-size: clamp(46px, 5vw, 80px); }
.truth-card ul { font-family: Georgia, serif; font-size: 21px; line-height: 1.55; margin: 45px 0 0; padding-left: 24px; }
.truth-card-current li::marker { color: #ff736c; }

.install-section { background: var(--ink); color: var(--paper-bright); display: grid; gap: 70px; grid-template-columns: .72fr 1.28fr; padding: 120px 5vw; }
.install-heading h2 { font-size: clamp(55px, 5.8vw, 94px); }
.install-heading > p:not(.eyebrow) { color: #c9c4bb; font-family: Georgia, serif; font-size: 20px; line-height: 1.4; margin: 34px 0 0; max-width: 560px; }
.install-body { display: grid; gap: 30px; grid-template-columns: 1fr 300px; }
.install-steps { list-style: none; margin: 0; padding: 0; }
.install-steps li { border-top: 1px solid #5d5952; display: grid; gap: 18px; grid-template-columns: 48px 1fr; padding: 21px 0; }
.install-steps li > b { color: #ff736c; font-family: Georgia, serif; font-size: 35px; }
.install-steps li > div { display: flex; flex-direction: column; gap: 11px; min-width: 0; }
.install-steps strong { font-size: 12px; letter-spacing: 2px; text-transform: uppercase; }
.install-steps code { background: #272522; color: #f7f3ea; display: block; font-size: 14px; overflow-x: auto; padding: 13px; white-space: nowrap; }
.install-command { align-items: stretch; display: grid; grid-template-columns: 1fr auto; }
.install-command code { border-right: 1px solid #4d4943; min-width: 0; }
.install-command button { background: var(--red); border: 0; color: white; cursor: pointer; font-size: 10px; font-weight: 900; letter-spacing: 2px; padding: 0 18px; }
.install-aside { border: 2px solid #676159; display: flex; flex-direction: column; gap: 20px; padding: 24px; }
.install-aside p:not(.micro-label) { color: #c9c4bb; font-family: Georgia, serif; font-size: 18px; line-height: 1.35; margin: 0; }
.install-aside .button { margin-top: auto; }

footer { align-items: end; background: var(--paper); display: grid; gap: 55px; grid-template-columns: 1.1fr .9fr; padding: 85px 5vw 55px; }
.footer-mark { font-family: Georgia, serif; font-size: clamp(48px, 6vw, 98px); font-weight: 900; letter-spacing: -5px; line-height: .84; }
footer > p { font-family: Georgia, serif; font-size: 20px; line-height: 1.4; margin: 0; }
.footer-small { color: var(--muted); font-family: Arial, sans-serif; font-size: 10px; grid-column: 1 / -1; letter-spacing: 2px; line-height: 1.6; padding-top: 30px; text-transform: uppercase; }
.footer-small p { margin: 0 0 8px; }
.footer-small a { color: var(--ink); }

@media (max-width: 1180px) {
  .masthead { grid-template-columns: 1fr auto; }
  .nav-edition { display: none; }
  .hero { grid-template-columns: minmax(0, 1fr); }
  .split-heading { grid-template-columns: minmax(0, 1fr); }
  .heading-copy { max-width: 850px; }
  .failure-grid { grid-template-columns: repeat(2, 1fr); }
  .responsibility-grid { grid-template-columns: repeat(2, 1fr); }
  .responsibility-grid article:last-child { grid-column: 1 / -1; }
  .film-section, .install-section { grid-template-columns: 1fr; }
  .install-body { grid-template-columns: 1fr 280px; }
}

@media (max-width: 760px) {
  .masthead { align-items: start; grid-template-columns: 1fr; padding-bottom: 18px; padding-top: 18px; }
  .nav-links { gap: 15px; justify-content: flex-start; overflow-x: auto; }
  .hero { grid-template-columns: minmax(0, 1fr); min-height: auto; padding-top: 72px; }
  .hero h1 { font-size: clamp(48px, 16vw, 68px); letter-spacing: -4px; }
  .hero-system { gap: 40px; }
  .system-card { padding: 24px 22px; width: calc(100% - 20px); }
  .system-card h2 { font-size: clamp(44px, 14vw, 68px); }
  .section-heading h2, .install-heading h2, .film-copy h2, .truth-card h2 { font-size: clamp(32px, 9.2vw, 55px); letter-spacing: -2px; overflow-wrap: anywhere; }
  .receipt-tabs { grid-template-columns: 1fr; }
  .receipt-grid, .truth-section, .architecture-switch, footer { grid-template-columns: 1fr; }
  .receipt-grid { min-height: 0; }
  .failure-grid, .responsibility-grid { grid-template-columns: 1fr; }
  .responsibility-grid article:last-child { grid-column: auto; }
  .failure-equation { align-items: start; flex-direction: column; gap: 15px; }
  .switch-buttons { flex-direction: row; }
  .switch-buttons button { flex: 1; min-height: 70px; }
  .execution-ledger { grid-template-columns: 1fr; }
  .execution-ledger span { text-align: left; }
  .film-section { padding-bottom: 90px; padding-top: 90px; }
  .autonomy-warning, .install-body { grid-template-columns: 1fr; }
  .video-label { align-items: start; flex-direction: column; gap: 8px; }
  .ticker { overflow-x: auto; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}