@charset "UTF-8";

:root {
  color-scheme: light dark;
  --paper: light-dark(#fafafa, #151515);
  --ink: light-dark(#202020, #f5f5f5);
  --muted: light-dark(#616161, #b8b8b8);
  --brand: light-dark(#d90000, #ff5148);
  --primary: #e60000;
  --primary-hover: #c50000;
  --primary-text: #ffffff;
  --soft-surface: light-dark(#f2f2f2, #242424);
  --accent: #ffe1dc;
  --line: light-dark(#e0e0e0, #393939);
  --border-strong: light-dark(#c6c6c6, #565656);
  --surface: light-dark(#ffffff, #1b1b1b);
  --surface-subtle: light-dark(#f7f7f7, #202020);
  --surface-selected: light-dark(#eeeeee, #2e2e2e);
  --highlight-border: light-dark(#d0d0d0, #505050);
  --shadow: light-dark(#0000000f, #00000040);
  --section-brand: #b40000;
  --section-text: #ffffff;
  --section-muted: #ffe0dd;
  --section-line: #da6d65;
  --faq-surface: light-dark(transparent, #1b1b1b);
  --faq-open-surface: light-dark(transparent, #202020);
  --faq-hover-surface: light-dark(transparent, #242424);
  --passed-bg: light-dark(#edf3ef, #1c312a);
  --passed-text: light-dark(#2f664b, #9cd6b4);
  --passed-mark: light-dark(#6a9e80, #76ab8b);
  --failed-bg: light-dark(#fff0e9, #3b2322);
  --failed-text: light-dark(#9a4627, #f2b49b);
  --failed-line: light-dark(#e8c3b4, #7d4d3d);
  --failed-mark: light-dark(#d08366, #be7863);
  --pending-bg: light-dark(#fbf3df, #302b1d);
  --pending-text: light-dark(#7b6023, #dcc27b);
  --pending-line: light-dark(#e8d6aa, #6d5b33);
  --pending-mark: light-dark(#d8bf80, #a5894c);
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --sans: "Helvetica Neue", Helvetica, Arial, sans-serif;
}

:root[data-theme="light"] { color-scheme: light; }
:root[data-theme="dark"] { color-scheme: dark; }

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 110px; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--sans); -webkit-font-smoothing: antialiased; }
button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; }
button, a, summary { touch-action: manipulation; }
a { color: inherit; text-decoration: none; }
button:not(:disabled), summary { cursor: pointer; }
button:disabled { color: inherit; }
button { color: var(--ink); }
::selection { background: var(--brand); color: var(--paper); }
:focus-visible { outline: 3px solid var(--brand); outline-offset: 5px; }
h1, h2, h3, p { margin: 0; }
.container { width: min(1280px, calc(100% - 112px)); margin-inline: auto; }
.icon { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.65; stroke-linecap: round; stroke-linejoin: round; flex-shrink: 0; }
.icon-definitions { position: absolute; width: 0; height: 0; overflow: hidden; pointer-events: none; }
.serif-word { font-family: Georgia, "Times New Roman", serif; font-weight: 400; font-style: italic; letter-spacing: -0.055em; }
.eyebrow { font-family: var(--mono); font-size: 10px; font-weight: 500; letter-spacing: 0.11em; line-height: 1.7; }
.section-spacing { padding-block: 110px; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; }
.skip-link { position: fixed; top: -80px; left: 16px; z-index: 100; padding: 16px; border-radius: 6px; color: var(--primary-text); background: var(--primary); }
.skip-link:focus { top: 16px; }
.js-only, .mobile-toggle { display: none; }
.js-enabled .js-only { display: flex; }

.site-header { position: sticky; top: 0; z-index: 20; background: var(--paper); border-bottom: 1px solid var(--line); }
.nav-shell { display: flex; align-items: center; min-height: 86px; gap: 25px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-size: 22px; font-weight: 700; letter-spacing: -0.045em; }
.brand-mark { display: grid; place-items: center; width: 34px; height: 38px; color: var(--brand); }
.brand-mark .icon { width: 28px; height: 30px; stroke-width: 1.75; }
.brand-period { color: var(--muted); }
.version-pill { display: flex; align-items: center; gap: 7px; font-family: var(--mono); font-size: 10px; padding: 7px 10px; border: 1px solid var(--line); border-radius: 30px; color: var(--muted); }
.status-dot { width: 5px; height: 5px; border-radius: 50%; background: var(--brand); flex-shrink: 0; }
.nav-links { display: flex; align-items: center; gap: 32px; margin-left: auto; font-size: 12px; }
.nav-links > a:not(.nav-cta) { color: var(--muted); transition: color 150ms; }
.nav-links > a:hover { color: var(--brand); }
.nav-cta { display: inline-flex; gap: 14px; align-items: center; padding: 11px 16px; border: 1px solid var(--border-strong); border-radius: 5px; transition: background 150ms; }
.nav-cta:hover { background: var(--soft-surface); }
.nav-cta .icon { width: 15px; height: 15px; }

.theme-toggle { display: none; flex-shrink: 0; align-items: center; justify-content: center; gap: 8px; min-height: 44px; padding: 10px 12px; background: var(--surface-subtle); color: var(--ink); border: 1px solid var(--line); border-radius: 5px; font-size: 12px; }
[data-theme-ready="true"] .theme-toggle { display: inline-flex; }
.theme-toggle:hover { background: var(--soft-surface); }
.theme-toggle .icon { width: 16px; height: 16px; }

.hero { display: grid; grid-template-columns: 1.1fr 1fr; gap: 50px; align-items: start; padding-top: 60px; padding-bottom: 70px; }
.hero-copy { padding-top: 36px; padding-bottom: 14px; }
.hero-copy .eyebrow { display: flex; align-items: center; gap: 12px; margin-bottom: 29px; }
.eyebrow-line { width: 25px; height: 1px; background: var(--brand); }
h1 { font-size: clamp(52px, 5.25vw, 78px); font-weight: 500; letter-spacing: -0.066em; line-height: 1.07; }
h1 .serif-word { color: var(--brand); }
.hero-description { max-width: 440px; margin-top: 28px; font-size: 16px; line-height: 1.7; color: var(--muted); }
.hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 25px; margin-top: 32px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 23px; min-height: 48px; padding: 15px 21px; font-size: 12px; font-weight: 500; border-radius: 5px; transition: background 150ms, transform 150ms; }
.button-primary { background: var(--primary); color: var(--primary-text); }
.button-primary:hover { background: var(--primary-hover); transform: translateY(-2px); }
.button .icon { width: 17px; height: 17px; }
.text-link { display: inline-flex; align-items: center; gap: 8px; font-size: 12px; padding-block: 12px; }
.text-link .icon { width: 14px; height: 14px; }
.text-link:hover { text-decoration: underline; text-underline-offset: 4px; }
.hero-note { display: flex; align-items: center; gap: 8px; margin-top: 26px; font-size: 10px; color: var(--muted); }
.tiny-check { display: grid; place-items: center; width: 15px; height: 15px; border: 1px solid var(--border-strong); border-radius: 50%; color: var(--muted); }
.tiny-check .icon { width: 12px; height: 12px; stroke-width: 2; }

.demo-stage { position: relative; padding: 22px 25px 23px; border-radius: 9px; background: var(--soft-surface); scroll-margin-top: 112px; }
.stage-label { display: flex; justify-content: space-between; align-items: center; margin-bottom: 18px; color: var(--muted); font-family: var(--mono); font-size: 10px; letter-spacing: 0.1em; }
.stage-cross { font-size: 18px; font-weight: 300; }
.report-card { border: 1px solid var(--line); border-radius: 9px; background: var(--surface); box-shadow: 0 9px 24px var(--shadow); overflow: hidden; }
.report-toolbar { display: flex; justify-content: space-between; align-items: center; min-height: 43px; padding: 0 19px; background: var(--surface-subtle); border-bottom: 1px solid var(--line); }
.report-file { display: flex; align-items: center; gap: 7px; font-family: var(--mono); font-size: 10px; color: var(--muted); }
.report-file .icon { width: 13px; height: 13px; }
.sample-tag { font-family: var(--mono); font-size: 10px; letter-spacing: 0.05em; color: var(--muted); padding: 4px 6px; background: var(--soft-surface); border-radius: 3px; }
.report-body { padding: 23px 22px 18px; }
.report-heading { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.report-kicker { font-family: var(--mono); font-size: 10px; letter-spacing: 0.1em; color: var(--muted); margin-bottom: 8px; }
.report-heading h2 { font-size: 20px; letter-spacing: -0.055em; font-weight: 500; }
.report-symbol { display: grid; place-items: center; background: var(--soft-surface); border-radius: 7px; width: 36px; height: 36px; color: var(--muted); }
.report-symbol .icon { width: 20px; height: 20px; }
.report-description { font-size: 12px; color: var(--muted); line-height: 1.7; margin-top: 9px; }
.report-summary { display: flex; align-items: center; justify-content: space-between; margin-top: 26px; gap: 10px; }
.summary-count { font-size: 24px; font-weight: 500; letter-spacing: -0.05em; }
.summary-total { font-size: 10px; color: var(--muted); }
.summary-label { color: var(--pending-text); font-size: 10px; padding: 4px 7px; border-radius: 4px; background: var(--pending-bg); white-space: nowrap; }
.summary-label.corrected { background: var(--pending-bg); color: var(--pending-text); }
.progress-track { display: grid; grid-template-columns: repeat(4, 1fr); gap: 4px; margin-top: 10px; margin-bottom: 16px; }
.progress-segment { height: 4px; border-radius: 2px; }
.progress-segment.passed { background: var(--passed-mark); }
.progress-segment.failed { background: var(--failed-mark); }
.progress-segment.unverified { background: var(--pending-mark); }
.criteria-list { display: grid; gap: 2px; }
.criterion-row { display: flex; align-items: center; gap: 9px; min-height: 44px; width: 100%; padding: 9px 8px; border: 1px solid transparent; border-radius: 5px; text-align: left; background: transparent; }
.criterion-row:enabled:hover { background: var(--surface-subtle); }
.criterion-row.selected { border-color: var(--failed-line); background: var(--failed-bg); }
.criterion-row.selected[data-criterion="boundary"] { border-color: var(--pending-line); background: var(--pending-bg); }
.criterion-row.selected[data-criterion="advance"], .criterion-row.selected[data-criterion="release"], .report-card.is-corrected .criterion-row.selected[data-criterion="late"] { border-color: var(--highlight-border); background: var(--surface-selected); }
.criterion-row:focus-visible { outline-offset: 0; }
.criterion-name { font-size: 12px; line-height: 1.4; }
.result-icon { width: 18px; height: 18px; display: grid; place-items: center; flex-shrink: 0; border-radius: 50%; }
.result-icon .icon { width: 13px; height: 13px; stroke-width: 2; }
.result-icon.passed { background: var(--passed-bg); color: var(--passed-text); }
.result-icon.failed { background: var(--failed-bg); color: var(--failed-text); }
.result-icon.unverified { background: var(--pending-bg); color: var(--pending-text); }
.result-label { margin-left: auto; font-family: var(--mono); font-size: 10px; padding-left: 5px; }
.result-label.passed { color: var(--passed-text); }
.result-label.failed { color: var(--failed-text); }
.result-label.unverified { color: var(--pending-text); }
.evidence-panel { margin-top: 13px; padding: 12px 13px; min-height: 103px; background: var(--surface-subtle); border: 1px solid var(--line); border-radius: 5px; }
.evidence-header { display: flex; align-items: center; justify-content: space-between; gap: 8px; color: var(--muted); font-family: var(--mono); font-size: 10px; letter-spacing: 0.06em; }
.evidence-environment { background: var(--soft-surface); padding: 3px 5px; border-radius: 2px; color: var(--muted); }
.evidence-path { margin-top: 8px; font-family: var(--mono); font-size: 11px; overflow-wrap: anywhere; }
.evidence-result { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 7px; font-family: var(--mono); font-size: 10px; color: var(--muted); }
.evidence-result code { font-family: inherit; color: var(--brand); }
.evidence-result .failure-code { color: var(--failed-text); }
.evidence-note { font-size: 11px; color: var(--muted); line-height: 1.6; margin-top: 7px; }
.report-actions { margin-top: 13px; gap: 9px; }
.correction-button { display: flex; flex: 1; align-items: center; justify-content: space-between; gap: 7px; min-height: 44px; padding: 9px 11px; font-size: 10px; border: 1px solid var(--highlight-border); border-radius: 4px; background: var(--soft-surface); transition: background 150ms; }
.correction-button:hover { background: var(--surface-selected); }
.correction-button .icon { width: 12px; height: 12px; }
.download-button { width: 44px; height: 44px; display: grid; place-items: center; border: 1px solid var(--line); background: var(--surface); border-radius: 4px; }
.download-button .icon { width: 13px; height: 13px; }
.download-button:hover { background: var(--soft-surface); }
.report-footer { padding: 11px 21px; background: var(--surface-subtle); border-top: 1px solid var(--line); display: flex; align-items: center; gap: 7px; font-family: var(--mono); color: var(--muted); font-size: 10px; }
.report-footer .status-dot { width: 4px; height: 4px; }
.stage-caption { text-align: center; line-height: 1.6; display: flex; align-items: center; justify-content: center; gap: 8px; margin-top: 19px; font-family: var(--mono); font-size: 10px; color: var(--muted); }
.caption-line { width: 16px; height: 1px; background: var(--brand); }
.no-script-note { font-size: 10px; line-height: 1.6; margin-top: 15px; color: var(--muted); }

.starting-point { display: flex; align-items: center; justify-content: space-between; gap: 30px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding-block: 27px; }
.starting-point > p:first-child { font-size: 12px; line-height: 1.7; color: var(--muted); }
.starting-point strong { color: var(--ink); font-weight: 500; }
.tool-labels { display: flex; align-items: center; gap: 27px; }
.tool-labels > span:not(.tool-plus) { display: inline-flex; align-items: center; gap: 8px; font-size: 14px; letter-spacing: -0.025em; font-weight: 500; }
.tool-labels .icon { width: 17px; height: 17px; color: var(--muted); }
.tool-plus { font-family: var(--mono); font-size: 11px; color: var(--muted); }
.tool-monospace { font-family: var(--mono); font-size: 12px !important; }
.starting-note { font-size: 10px; line-height: 1.9; color: var(--muted); text-align: right; }
.starting-note span { color: var(--muted); }

.workflow-section { display: grid; grid-template-columns: 1fr 1.12fr; gap: 110px; }
.section-intro .eyebrow { margin-bottom: 20px; color: var(--muted); }
.section-intro h2, .roadmap-heading h2, .questions-section h2 { font-size: 53px; font-weight: 500; line-height: 1.06; letter-spacing: -0.055em; }
.section-intro h2 .serif-word { color: var(--brand); }
.section-intro > p:last-child { max-width: 300px; font-size: 13px; line-height: 1.9; color: var(--muted); margin-top: 23px; }
.workflow-step { display: grid; grid-template-columns: 30px 1fr 20px; gap: 20px; padding: 26px 0; border-top: 1px solid var(--line); }
.workflow-step:last-child { border-bottom: 1px solid var(--line); }
.step-number { padding-top: 4px; font-family: var(--mono); font-size: 10px; color: var(--muted); }
.workflow-step h3 { font-size: 19px; font-weight: 500; letter-spacing: -0.045em; }
.workflow-step p { max-width: 365px; font-size: 14px; line-height: 1.85; color: var(--muted); margin-top: 9px; }
.step-artifact { display: inline-flex; align-items: center; gap: 6px; margin-top: 14px; font-family: var(--mono); font-size: 10px; color: var(--muted); }
.mini-dot { width: 3px; height: 3px; border-radius: 50%; background: var(--brand); }
.step-arrow { width: 15px; height: 15px; color: var(--muted); margin-top: 3px; }

.principles-section { padding-block: 78px; background: var(--section-brand); color: var(--section-text); }
.principles-heading { position: relative; }
.principles-heading .eyebrow { color: var(--section-muted); margin-bottom: 24px; }
.principles-heading h2 { font-size: 55px; font-weight: 400; line-height: 1.08; letter-spacing: -0.055em; }
.principles-heading .serif-word { color: var(--accent); }
.principles-heading > p:last-child { max-width: 280px; position: absolute; bottom: 7px; right: 0; font-size: 13px; line-height: 1.9; color: var(--section-muted); }
.principles-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 60px; margin-top: 53px; border-top: 1px solid var(--section-line); padding-top: 33px; }
.principle-icon { display: flex; align-items: center; height: 33px; color: var(--accent); margin-bottom: 14px; }
.principle-icon .icon { width: 23px; height: 23px; stroke-width: 1.4; }
.principles-grid h3 { font-size: 17px; font-weight: 400; letter-spacing: -0.025em; }
.principles-grid p { max-width: 290px; margin-top: 13px; font-size: 13px; line-height: 1.9; color: var(--section-muted); }

.roadmap-heading { display: flex; justify-content: space-between; align-items: end; gap: 30px; margin-bottom: 35px; }
.roadmap-heading .eyebrow { color: var(--muted); margin-bottom: 19px; }
.roadmap-heading .serif-word { color: var(--brand); }
.roadmap-heading > p { color: var(--muted); font-size: 12px; line-height: 1.9; padding-bottom: 3px; }
.roadmap-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.roadmap-card { display: flex; flex-direction: column; border: 1px solid var(--line); border-radius: 7px; padding: 27px 25px 20px; }
.roadmap-card.current { background: var(--soft-surface); border-color: var(--highlight-border); }
.roadmap-card-top { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-bottom: 32px; }
.roadmap-version { font-family: var(--mono); font-size: 11px; }
.roadmap-status { display: inline-flex; align-items: center; gap: 5px; font-family: var(--mono); font-size: 10px; letter-spacing: 0.04em; color: var(--muted); }
.roadmap-status .status-dot { width: 4px; height: 4px; }
.roadmap-card h3 { font-size: 28px; line-height: 1.16; font-weight: 500; letter-spacing: -0.055em; }
.roadmap-card > p { font-size: 13px; line-height: 1.9; margin-top: 17px; color: var(--muted); }
.roadmap-card ul { list-style: none; padding: 0; margin: 27px 0 25px; }
.roadmap-card li { position: relative; padding-left: 12px; font-size: 12px; line-height: 1.7; color: var(--muted); margin-bottom: 9px; }
.roadmap-card li::before { content: "+"; position: absolute; left: 0; top: -1px; font-family: var(--mono); color: var(--muted); }
.roadmap-bottom { display: flex; align-items: center; justify-content: space-between; min-height: 34px; margin-top: auto; border-top: 1px solid var(--line); padding-top: 15px; font-family: var(--mono); font-size: 10px; letter-spacing: 0.07em; color: var(--muted); }
.roadmap-bottom .icon { width: 14px; height: 14px; color: var(--muted); }

.questions-section { display: grid; grid-template-columns: 1fr 1.12fr; gap: 110px; padding-bottom: 110px; }
.questions-section .eyebrow { margin-bottom: 21px; color: var(--muted); }
.questions-section h2 { font-size: 42px; }
.questions-section .serif-word { color: var(--brand); }
.faq-list details { border-top: 1px solid var(--line); background: var(--faq-surface); }
.faq-list details:last-child { border-bottom: 1px solid var(--line); }
.faq-list summary { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-block: 21px; list-style: none; font-size: 13px; }
.faq-list summary:hover { background: var(--faq-hover-surface); }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-plus { font-family: var(--mono); color: var(--muted); font-size: 19px; transition: transform 150ms; }
.faq-list details[open] { background: var(--faq-open-surface); }
.faq-list details[open] .faq-plus { transform: rotate(45deg); }
.faq-list details p { padding: 0 28px 22px 0; font-size: 12px; line-height: 1.9; color: var(--muted); }

.closing-section { position: relative; display: flex; align-items: end; justify-content: space-between; gap: 30px; padding: 54px 55px; background: var(--soft-surface); border: 1px solid var(--highlight-border); border-radius: 8px; overflow: hidden; }
.closing-section .eyebrow { position: relative; z-index: 1; color: var(--muted); font-size: 10px; margin-bottom: 22px; }
.closing-section h2 { position: relative; z-index: 1; background: var(--soft-surface); font-size: 61px; font-weight: 500; line-height: 1.03; letter-spacing: -0.06em; }
.closing-section .serif-word { color: var(--brand); }
.closing-action { position: relative; z-index: 1; padding-bottom: 5px; }
.closing-action p { color: var(--muted); font-size: 12px; line-height: 1.9; margin-bottom: 23px; }
.closing-decoration { position: absolute; width: 330px; height: 350px; top: -48px; right: 180px; transform: rotate(-15deg); opacity: 0.15; pointer-events: none; }
.closing-decoration svg { width: 100%; height: 100%; fill: none; stroke: var(--brand); stroke-width: 0.5; stroke-linecap: round; stroke-linejoin: round; }
.site-footer { display: flex; align-items: center; gap: 20px; padding-top: 43px; padding-bottom: 34px; }
.footer-brand { font-size: 17px; gap: 5px; }
.footer-brand .brand-mark { width: 26px; }
.footer-brand .icon { width: 21px; height: 24px; }
.site-footer > p { font-size: 10px; color: var(--muted); }
.site-footer > div { display: flex; align-items: center; gap: 30px; margin-left: auto; font-family: var(--mono); font-size: 10px; color: var(--muted); }
.site-footer > div > a { display: flex; align-items: center; gap: 5px; color: var(--muted); }
.site-footer .icon { width: 12px; height: 12px; }
.site-footer .brand-mark .icon { width: 21px; height: 24px; }

@media (min-width: 1600px) {
  .hero { padding-top: 85px; padding-bottom: 90px; }
}

@media (max-width: 1100px) {
  .container { width: calc(100% - 64px); }
  .hero { gap: 28px; }
  h1 { font-size: clamp(46px, 5.35vw, 62px); }
  .hero-actions { gap: 15px; }
  .text-link { font-size: 11px; }
  .demo-stage { padding-inline: 17px; }
  .report-body { padding-inline: 15px; }
  .report-toolbar { padding-inline: 14px; }
  .starting-point { gap: 20px; }
  .tool-labels { gap: 17px; }
  .tool-labels > span:not(.tool-plus) { font-size: 12px; }
  .workflow-section, .questions-section { gap: 65px; }
  .principles-grid { gap: 35px; }
  .roadmap-card { padding-inline: 20px; }
  .roadmap-card h3 { font-size: 25px; }
  .roadmap-status { font-size: 10px; }
}

@media (max-width: 800px) {
  .container { width: calc(100% - 48px); }
  .nav-shell { min-height: 76px; gap: 18px; }
  .version-pill { display: none; }
  .nav-links { gap: 20px; font-size: 11px; }
  .nav-cta { padding-inline: 12px; }
  .hero { grid-template-columns: 1fr; padding-top: 55px; padding-bottom: 48px; gap: 38px; }
  .hero-copy { max-width: 610px; padding-top: 0; }
  h1 { font-size: 70px; }
  .hero-description { max-width: 460px; }
  .demo-stage { max-width: 560px; width: 100%; padding: 24px; justify-self: center; }
  .report-body { padding-inline: 24px; }
  .criterion-name { font-size: 12px; }
  .result-label { font-size: 10px; }
  .criterion-row { min-height: 47px; }
  .starting-point { flex-wrap: wrap; }
  .tool-labels { gap: 22px; }
  .starting-note { width: 100%; text-align: left; }
  .section-spacing { padding-block: 75px; }
  .workflow-section, .questions-section { gap: 35px; grid-template-columns: 0.8fr 1.2fr; }
  .section-intro h2 { font-size: 45px; }
  .workflow-step { gap: 12px; grid-template-columns: 20px 1fr 15px; }
  .workflow-step h3 { font-size: 17px; }
  .principles-section { padding-block: 60px; }
  .principles-heading h2 { font-size: 48px; }
  .principles-heading > p:last-child { max-width: 200px; font-size: 11px; }
  .principles-grid { gap: 25px; }
  .principles-grid h3 { font-size: 15px; line-height: 1.4; }
  .principles-grid p { font-size: 12px; }
  .roadmap-heading h2 { font-size: 45px; }
  .roadmap-heading > p { font-size: 10px; max-width: 220px; }
  .roadmap-grid { gap: 10px; }
  .roadmap-card { padding: 20px 15px 16px; }
  .roadmap-card h3 { font-size: 22px; }
  .roadmap-card-top { flex-wrap: wrap; row-gap: 10px; }
  .roadmap-status { font-size: 10px; }
  .roadmap-card > p { font-size: 12px; }
  .roadmap-card li { font-size: 11px; }
  .roadmap-bottom { font-size: 10px; line-height: 1.8; }
  .questions-section { padding-bottom: 75px; }
  .questions-section h2 { font-size: 36px; }
  .faq-list summary { font-size: 12px; }
  .closing-section { padding: 40px 32px; }
  .closing-section h2 { font-size: 50px; }
  .closing-action p { font-size: 10px; }
  .closing-action .button { font-size: 10px; gap: 12px; padding-inline: 15px; }
  .site-footer > p { display: none; }
}

@media (max-width: 600px) {
  html { scroll-padding-top: 88px; }
  .container { width: calc(100% - 40px); }
  .nav-shell { min-height: 72px; flex-wrap: wrap; gap: 0; position: relative; padding-block: 17px; }
  .brand { font-size: 21px; gap: 6px; }
  .brand-mark { width: 28px; height: 30px; }
  .brand-mark .icon { width: 24px; height: 27px; }
  .version-pill { display: none; margin-left: auto; font-size: 10px; gap: 5px; padding: 6px 7px; }
  .version-pill .status-dot { width: 4px; height: 4px; }
  .js-enabled .mobile-toggle { display: flex; flex-direction: column; justify-content: center; gap: 5px; width: 44px; height: 44px; margin-left: 10px; padding: 10px; background: transparent; border: 1px solid var(--line); border-radius: 4px; }
  .mobile-toggle span { display: block; width: 17px; height: 1px; background: var(--brand); transition: transform 150ms; }
  .mobile-toggle[aria-expanded="true"] span:first-child { transform: translateY(3px) rotate(45deg); }
  .mobile-toggle[aria-expanded="true"] span:last-child { transform: translateY(-3px) rotate(-45deg); }
  .nav-links { order: 5; width: 100%; margin-top: 19px; padding-top: 14px; border-top: 1px solid var(--line); gap: 18px; justify-content: space-between; }
  .js-enabled .nav-links { display: none; }
  .js-enabled [data-menu-open="true"] .nav-links { display: flex; }
  .theme-toggle { margin-left: auto; }
  .nav-cta { font-size: 10px; gap: 5px; padding: 10px; }
  .hero { padding-top: 43px; gap: 31px; }
  .hero-copy .eyebrow { font-size: 10px; margin-bottom: 24px; gap: 9px; }
  .eyebrow-line { width: 18px; }
  h1 { font-size: clamp(43px, 11vw, 64px); letter-spacing: -0.065em; line-height: 1.09; }
  .hero-description { font-size: 14px; line-height: 1.8; margin-top: 21px; }
  .hero-actions { margin-top: 25px; gap: 12px; }
  .hero-actions .button { font-size: 11px; padding-inline: 16px; gap: 18px; min-height: 45px; }
  .text-link { font-size: 10px; gap: 5px; }
  .hero-note { font-size: 10px; margin-top: 22px; }
  .demo-stage { padding: 17px 13px 18px; scroll-margin-top: 91px; }
  .stage-label { font-size: 10px; margin-bottom: 12px; }
  .report-toolbar { padding-inline: 12px; }
  .report-file { font-size: 10px; }
  .sample-tag { font-size: 10px; }
  .report-body { padding: 21px 13px 15px; }
  .report-kicker { font-size: 10px; }
  .report-heading h2 { font-size: 19px; }
  .report-symbol { width: 31px; height: 31px; }
  .report-description { font-size: 12px; }
  .report-summary { margin-top: 21px; }
  .summary-count { font-size: 23px; }
  .summary-total { font-size: 10px; }
  .summary-label { font-size: 10px; }
  .criterion-row { gap: 6px; padding-inline: 5px; min-height: 44px; }
  .criterion-name { font-size: 12px; }
  .result-label { font-size: 10px; }
  .result-icon { width: 16px; height: 16px; }
  .evidence-header { font-size: 10px; }
  .stage-caption { font-size: 10px; gap: 5px; }
  .stage-caption .caption-line { width: 10px; }
  .report-footer { padding-inline: 14px; font-size: 10px; }
  .starting-point { gap: 21px; padding-block: 24px; }
  .starting-point > p:first-child { font-size: 11px; }
  .starting-point > p:first-child br { display: none; }
  .tool-labels { width: 100%; justify-content: space-between; gap: 10px; }
  .tool-labels > span:not(.tool-plus) { font-size: 11px; gap: 6px; }
  .tool-monospace { font-size: 10px !important; }
  .starting-note { font-size: 10px; }
  .section-spacing { padding-block: 61px; }
  .workflow-section, .questions-section { grid-template-columns: 1fr; gap: 32px; }
  .section-intro .eyebrow { font-size: 10px; margin-bottom: 16px; }
  .section-intro h2 { font-size: 47px; }
  .section-intro > p:last-child { max-width: 310px; font-size: 12px; margin-top: 19px; }
  .workflow-step { grid-template-columns: 25px 1fr 17px; padding-block: 24px; gap: 15px; }
  .workflow-step h3 { font-size: 18px; }
  .workflow-step p { font-size: 13px; }
  .principles-section { padding-block: 52px; }
  .principles-heading .eyebrow { font-size: 10px; margin-bottom: 19px; }
  .principles-heading h2 { font-size: 47px; }
  .principles-heading > p:last-child { position: static; margin-top: 24px; max-width: 300px; font-size: 12px; }
  .principles-grid { grid-template-columns: 1fr; gap: 27px; margin-top: 31px; padding-top: 28px; }
  .principle-icon { margin-bottom: 9px; }
  .principles-grid h3 { font-size: 18px; }
  .principles-grid p { font-size: 12px; margin-top: 8px; max-width: 310px; }
  .roadmap-heading { align-items: start; flex-direction: column; gap: 20px; margin-bottom: 27px; }
  .roadmap-heading .eyebrow { font-size: 10px; margin-bottom: 16px; }
  .roadmap-heading h2 { font-size: 43px; }
  .roadmap-heading > p { font-size: 12px; max-width: none; }
  .roadmap-grid { grid-template-columns: 1fr; gap: 15px; }
  .roadmap-card { padding: 25px 24px 19px; }
  .roadmap-card-top { margin-bottom: 23px; }
  .roadmap-status { font-size: 10px; }
  .roadmap-card h3 { font-size: 32px; }
  .roadmap-card > p { font-size: 12px; max-width: 300px; }
  .roadmap-card ul { margin-block: 23px; }
  .roadmap-card li { font-size: 11px; }
  .roadmap-bottom { font-size: 10px; }
  .questions-section { padding-bottom: 60px; gap: 25px; }
  .questions-section .eyebrow { font-size: 10px; margin-bottom: 15px; }
  .questions-section h2 { font-size: 39px; }
  .faq-list summary { font-size: 12px; padding-block: 20px; }
  .faq-list details p { font-size: 12px; }
  .closing-section { flex-direction: column; align-items: start; gap: 28px; padding: 31px 25px; }
  .closing-section .eyebrow { font-size: 10px; margin-bottom: 20px; }
  .closing-section h2 { font-size: 51px; }
  .closing-action p { font-size: 11px; margin-bottom: 18px; }
  .closing-action .button { font-size: 11px; gap: 18px; padding-inline: 17px; }
  .closing-decoration { width: 250px; height: 270px; top: 45px; right: -85px; }
  .site-footer { flex-wrap: wrap; justify-content: space-between; gap: 12px; padding-block: 26px; }
  .site-footer > div { margin-left: 0; font-size: 10px; gap: 15px; }
  .footer-brand { font-size: 16px; }
}

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