:root {
  color-scheme: dark;
  --background: #050505;
  --surface: #0d0e10;
  --text: #f4f4f5;
  --muted: #96999f;
  --line: #292b2f;
  --accent: #c8d9ca;
  --gutter: 64px;
  --header: 72px;
  --content: 1200px;
  --ease: cubic-bezier(.2,.75,.25,1);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  font-synthesis: none;
  letter-spacing: 0;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 145px; }
body { margin: 0; background: var(--background); color: var(--text); -webkit-font-smoothing: antialiased; }
body.menu-open, body:has(dialog[open]) { overflow: hidden; }
a { color: inherit; text-decoration: none; }
button, input { font: inherit; }
button { color: inherit; cursor: pointer; border: 0; }
button, a, summary, input { -webkit-tap-highlight-color: transparent; }
img { display: block; max-width: 100%; height: auto; }
svg { width: 18px; height: 18px; flex-shrink: 0; stroke-width: 1.5; }
h1, h2, h3, p { margin: 0; }
h1, h2, h3 { font-weight: 500; }
::selection { background: #d3ddda; color: #111; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 6px; }
[hidden] { display: none !important; }
.skip-link { position: fixed; z-index: 100; top: 10px; left: 10px; padding: 14px 20px; background: var(--text); color: #111; transform: translateY(-180%); }
.skip-link:focus { transform: none; }
.site-header { position: fixed; inset: 0 0 auto; z-index: 30; height: var(--header); display: flex; align-items: center; gap: 36px; padding: 0 var(--gutter); border-bottom: 1px solid #ffffff0d; background: #080809e8; backdrop-filter: blur(20px); }
.brand { display: inline-flex; align-items: center; gap: 10px; font-size: 17px; font-weight: 600; white-space: nowrap; }
.brand img { width: 20px; height: 25px; object-fit: contain; transition: transform .45s var(--ease); }
.brand:hover img { transform: rotate(-12deg); }
.desktop-nav { margin: 0 auto; display: flex; align-items: center; gap: 34px; font-size: 13px; color: #b1b3b8; }
.desktop-nav a, .site-footer nav a { transition: color .2s; }
.desktop-nav a:hover, .site-footer nav a:hover { color: white; }
.header-actions { display: flex; align-items: center; gap: 16px; }
.nav-download { display: inline-flex; align-items: center; gap: 18px; padding: 10px 16px; border-radius: 6px; background: #f1f1f2; color: #111; font-size: 12px; font-weight: 600; transition: background .2s, transform .25s var(--ease); }
.nav-download:hover { background: white; transform: translateY(-1px); }
.icon-button, .menu-toggle, .dialog-close { display: inline-grid; place-items: center; width: 36px; height: 36px; padding: 0; background: transparent; border-radius: 6px; transition: background .2s; }
.icon-button:hover, .dialog-close:hover, .menu-toggle:hover { background: #ffffff14; }
.menu-toggle { display: none; }
.menu-toggle svg:last-child, .menu-toggle[aria-expanded="true"] svg:first-child { display: none; }
.menu-toggle[aria-expanded="true"] svg:last-child { display: block; }
.reading-progress { position: absolute; bottom: -1px; left: 0; height: 1px; width: 100%; background: #d2d9d3; transform: scaleX(0); transform-origin: left; }
.hero { padding: 96px var(--gutter) 0; overflow: clip; }
.hero-heading { text-align: center; position: relative; z-index: 2; }
.hero-kicker, .eyebrow, .section-meta, .timeline-phase { font-size: 11px; font-weight: 500; text-transform: uppercase; line-height: 1.5; color: var(--muted); }
.hero-kicker { display: flex; align-items: center; justify-content: center; gap: 9px; }
.status-dot { display: inline-block; width: 5px; height: 5px; border-radius: 50%; background: var(--accent); flex-shrink: 0; }
.hero h1 { margin: 12px 0 10px; font-size: 96px; line-height: 1.05; font-weight: 500; }
.hero-tagline { font-size: 25px; line-height: 1.4; }
.hero-description { margin-top: 10px; font-size: 15px; line-height: 1.6; color: var(--muted); }
.hero-actions { margin-top: 24px; display: flex; align-items: center; justify-content: center; gap: 28px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 22px; min-height: 44px; padding: 12px 20px; border-radius: 6px; font-size: 13px; font-weight: 500; transition: background .25s, transform .3s var(--ease); }
.button-light, .button-dark { background: #f2f2f3; color: #0a0a0a; }
.button:hover { transform: translateY(-2px); background: white; }
.text-link { display: inline-flex; align-items: center; gap: 10px; font-size: 13px; }
.text-link svg, .nav-download svg { transition: transform .3s var(--ease); }
.text-link:hover svg, .nav-download:hover svg { transform: translate(2px,-2px); }
.hero-scene { margin: 6px auto 0; max-width: 1440px; }
.product-scene { position: relative; height: clamp(280px, calc(100svh - 620px), 440px); width: calc(100% + var(--gutter) * 2); margin-left: calc(var(--gutter) * -1); touch-action: pan-y; }
.product-scene canvas, .scene-poster { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain; }
.product-scene canvas { opacity: 0; transition: opacity .7s var(--ease); }
.scene-poster { transition: opacity .7s var(--ease); }
.product-scene[data-scene-state="ready"] canvas { opacity: 1; }
.product-scene[data-scene-state="ready"] .scene-poster { opacity: 0; }
.scene-controls { display: flex; align-items: center; justify-content: center; gap: 28px; min-height: 52px; }
.preview-tabs { display: inline-flex; padding: 4px; background: #101113; border: 1px solid #ffffff0e; border-radius: 8px; }
.preview-tab { min-width: 84px; padding: 9px 16px; background: transparent; border-radius: 5px; font-size: 12px; color: var(--muted); transition: background .2s, color .2s; }
.preview-tab:hover { color: white; }
.preview-tab[aria-selected="true"] { background: #292b2e; color: white; }
.scene-caption { display: inline-flex; align-items: center; gap: 8px; font-size: 11px; color: var(--muted); }
.hero-bottom { display: flex; align-items: center; justify-content: space-between; gap: 24px; max-width: var(--content); margin: 28px auto 0; padding: 22px 0; border-top: 1px solid var(--line); font-size: 11px; color: var(--muted); }
.scroll-cue { display: inline-flex; align-items: center; gap: 14px; color: #dbdde0; }
.scroll-cue svg { transition: transform .25s; }
.scroll-cue:hover svg { transform: translateY(4px); }
.section-pad { padding: 120px max(var(--gutter), calc((100% - var(--content)) / 2)); }
.section-meta { display: flex; justify-content: space-between; align-items: center; margin-bottom: 48px; }
.introduction { text-align: center; padding-top: 56px; padding-bottom: 88px; }
.introduction h2 { font-size: 76px; line-height: 1.12; }
.introduction h2 > span, .about h2 > span, .download h2 > span { display: inline-block; color: #777b81; }
.intro-copy { max-width: 470px; margin: 28px auto 0; color: #b0b3b9; font-size: 17px; line-height: 1.8; }
.chapter-index { position: sticky; z-index: 20; top: var(--header); display: flex; justify-content: center; gap: 6px; padding: 10px var(--gutter); background: #08090aee; backdrop-filter: blur(20px); border-block: 1px solid #ffffff0c; }
.chapter-index a { display: inline-flex; align-items: center; justify-content: center; gap: 12px; min-height: 36px; padding: 8px 20px; border-radius: 5px; color: var(--muted); font-size: 12px; white-space: nowrap; transition: background .2s, color .2s; }
.chapter-index a span { font-size: 10px; color: #6c7178; }
.chapter-index a svg { display: none; }
.chapter-index a:hover, .chapter-index a[aria-current="location"] { background: #222427; color: white; }
.chapter { padding: 108px max(var(--gutter), calc((100% - var(--content)) / 2)) 76px; overflow: clip; }
.chapter--vault, .chapter--shield { background: var(--surface); }
.chapter-top { display: grid; grid-template-columns: 1fr 340px; align-items: end; column-gap: 64px; row-gap: 22px; margin-bottom: 56px; }
.chapter-number { grid-column: 1 / -1; display: flex; justify-content: space-between; font-size: 12px; color: #b2b5ba; }
.chapter-number span { color: #74787f; font-size: 11px; }
.chapter h2 { max-width: 760px; font-size: 64px; line-height: 1.12; text-wrap: balance; }
.chapter-description { color: #a4a8af; font-size: 15px; line-height: 1.85; max-width: 380px; }
.chapter-stage { position: relative; perspective: 1800px; padding: 20px 5%; }
.screenshot-button { position: relative; display: block; width: 100%; padding: 0; background: #101114; border: 1px solid #43464d; border-radius: 8px; overflow: hidden; box-shadow: 0 36px 70px -28px #000c; }
.screenshot-button img { width: 100%; height: auto; }
.enlarge-label { position: absolute; right: 16px; bottom: 16px; display: grid; place-items: center; width: 36px; height: 36px; border: 1px solid #ffffff30; background: #0b0c0deb; border-radius: 6px; opacity: 0; transform: translateY(4px); transition: opacity .2s, transform .2s; }
.screenshot-button:hover .enlarge-label, .screenshot-button:focus-visible .enlarge-label { opacity: 1; transform: none; }
.chapter-bottom { margin-top: 36px; padding-top: 24px; border-top: 1px solid var(--line); display: grid; grid-template-columns: 1fr 1fr; gap: 64px; font-size: 12px; line-height: 1.8; color: #9398a1; }
.chapter-bottom p:first-child { color: #d0d3d8; }
.chapter-bottom span { display: block; margin-top: 4px; font-size: 10px; color: #82868e; }
.chapter--commands .chapter-stage { display: flex; flex-direction: column; align-items: center; gap: 48px; padding: 20px 0 40px; }
.chapter--commands .screenshot-button { max-width: 780px; }
.command-keys { display: flex; align-items: center; gap: 20px; color: #646970; }
.command-keys kbd { width: 108px; height: 98px; display: grid; place-items: center; background: #191b1f; border: 1px solid #464a52; border-bottom: 5px solid #31353d; border-radius: 8px; box-shadow: 0 14px 32px #0009; color: #dfe1e5; font: 500 29px -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
.command-keys kbd:last-child { width: 98px; }
.chapter-action { margin-top: 28px; display: flex; justify-content: center; }
.chapter-action button { background: transparent; border: 1px solid var(--line); color: #c1c6ce; }
.chapter-action button:hover { background: #17191d; }
.shield-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; padding-block: 16px; }
.shield-visual { display: flex; flex-direction: column; align-items: center; }
.shield-symbol { display: grid; place-items: center; width: 190px; height: 190px; color: #d4dbd5; transition: color .3s; }
.shield-symbol svg { width: 150px; height: 150px; stroke-width: .75; }
.shield-visual[data-mode="off"] .shield-symbol { color: #60646c; }
.shield-flow { width: 100%; max-width: 340px; margin-top: 20px; }
.shield-flow p { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 13px 0; border-top: 1px solid var(--line); font-size: 12px; color: var(--muted); }
.shield-flow strong { font-weight: 500; color: #d1d8d1; transition: color .3s; }
.shield-visual[data-mode="off"] .shield-flow strong { color: #8e939b; }
.shield-controls > p:first-child { font-size: 24px; margin-bottom: 24px; }
.shield-modes { border: 0; padding: 0; margin: 0; min-width: 0; }
.shield-modes legend { margin-bottom: 12px; font-size: 12px; color: var(--muted); }
.mode-options { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.mode-option { position: relative; }
.mode-option input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.mode-option label { display: flex; align-items: center; gap: 10px; border: 1px solid #303339; padding: 13px 12px; border-radius: 6px; font-size: 12px; color: #a3a8b0; cursor: pointer; transition: background .2s, border-color .2s; }
.mode-option label::before { content: ''; width: 7px; height: 7px; border: 1px solid #696f78; border-radius: 50%; }
.mode-option input:checked + label { background: #222824; border-color: #778b7a; color: #ecf2ed; }
.mode-option input:checked + label::before { background: #c9dbcd; border-color: #c9dbcd; }
.mode-option input:focus-visible + label { outline: 2px solid white; outline-offset: 3px; }
.mode-option label:hover { border-color: #89908b; }
.mode-explanation { min-height: 100px; margin-top: 20px; font-size: 14px; line-height: 1.85; color: #a6abb3; }
.demo-label { margin-top: 16px; font-size: 10px; color: #9398a1; line-height: 1.7; }
.about h2 { font-size: 66px; line-height: 1.16; }
.about-detail { display: grid; grid-template-columns: 1fr 1fr; gap: 100px; margin-top: 52px; font-size: 16px; line-height: 1.9; }
.about-detail > p { font-size: 23px; line-height: 1.65; }
.about-detail > div { color: #a4a8af; }
.about-detail .text-link { margin-top: 25px; color: #eee; }
.project-facts { display: grid; grid-template-columns: repeat(4,1fr); gap: 28px; margin-top: 64px; padding-top: 24px; border-top: 1px solid var(--line); }
.project-facts span { font-size: 11px; color: var(--muted); }
.project-facts p { margin-top: 10px; font-size: 13px; }
.roadmap { background: var(--surface); }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 48px; }
.section-heading h2 { font-size: 68px; line-height: 1.12; }
.section-heading > p { color: var(--muted); line-height: 1.8; font-size: 15px; }
.timeline { list-style: none; margin: 64px 0 0; padding: 0; display: grid; grid-template-columns: repeat(3,1fr); }
.timeline li { position: relative; padding: 32px 36px 0 0; border-top: 1px solid #383b40; }
.timeline li::before { content: ''; position: absolute; top: -4px; left: 0; width: 7px; height: 7px; background: #4a4e55; border-radius: 50%; }
.timeline .is-current::before { background: #d2ded3; }
.timeline h3 { font-size: 24px; line-height: 1.3; margin-top: 20px; }
.timeline li > p { margin-top: 16px; max-width: 300px; font-size: 14px; color: var(--muted); line-height: 1.85; min-height: 105px; }
.timeline-status { display: flex; align-items: center; gap: 8px; margin-top: 24px; font-size: 11px; color: #c0c5cc; }
.questions { display: grid; grid-template-columns: 1fr 1.5fr; gap: 64px; }
.questions h2 { font-size: 46px; margin-top: 20px; line-height: 1.15; }
.question-list details { border-bottom: 1px solid var(--line); }
.question-list summary { list-style: none; display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 24px 0; font-size: 16px; cursor: pointer; }
.question-list summary::-webkit-details-marker { display: none; }
.question-list summary svg { color: #989da6; transition: transform .25s; }
.question-list details[open] summary svg { transform: rotate(45deg); }
.question-list p { padding: 0 24px 24px 0; color: #a3a8b1; font-size: 14px; line-height: 1.9; }
.download { border-top: 1px solid var(--line); text-align: center; }
.download-mark { margin: 0 auto 32px; }
.download h2 { font-size: 82px; line-height: 1.15; }
.download-bottom { display: grid; grid-template-columns: 1fr 1fr; gap: 120px; max-width: 900px; margin: 56px auto 0; text-align: left; }
.download-status { font-size: 19px; }
.download-explanation { color: var(--muted); margin-top: 12px; font-size: 14px; line-height: 1.8; }
.release-unavailable { display: inline-flex; align-items: center; gap: 10px; margin-top: 24px; padding: 14px 18px; border: 1px solid #33363c; border-radius: 6px; color: #b2b7bf; font-size: 13px; }
.release-details { margin: 0; }
.release-details > div { display: flex; justify-content: space-between; gap: 20px; padding: 13px 0; border-bottom: 1px solid var(--line); font-size: 12px; }
.release-details dt { color: var(--muted); }
.release-details dd { margin: 0; text-align: right; }
.release-notes { margin-top: 48px; }
.site-footer { margin: 0 var(--gutter); padding: 30px 0; border-top: 1px solid var(--line); display: flex; align-items: center; justify-content: space-between; gap: 36px; }
.site-footer > p { font-size: 10px; color: var(--muted); }
.site-footer nav { display: flex; gap: 24px; align-items: center; font-size: 11px; color: #a6abb3; }
.back-top { display: inline-flex; gap: 8px; align-items: center; }
.image-dialog { background: #101114; border: 1px solid #393c43; padding: 44px 12px 16px; width: min(1200px,94%); max-height: 90dvh; border-radius: 8px; color: var(--text); }
dialog::backdrop { background: #000c; backdrop-filter: blur(8px); }
.image-dialog img { max-height: 76dvh; width: 100%; object-fit: contain; }
.image-dialog p { padding: 14px 10px 0; font-size: 11px; line-height: 1.6; color: #b2b7c0; }
.dialog-close { position: absolute; top: 4px; right: 8px; }
.search-dialog { margin: 15dvh auto auto; padding: 24px; width: min(560px,calc(100% - 32px)); max-height: 75dvh; border: 1px solid #3b3f46; border-radius: 8px; background: #111215; color: var(--text); box-shadow: 0 30px 100px #000; }
.search-heading { display: flex; align-items: center; justify-content: space-between; margin-bottom: 18px; }
.search-heading h2 { font-size: 22px; }
.search-field { display: flex; align-items: center; gap: 12px; padding: 14px; border: 1px solid #454a54; background: #090a0c; border-radius: 6px; }
.search-field svg { color: #9a9faa; }
.search-field input { width: 100%; min-width: 0; border: 0; outline: none; color: white; background: transparent; font-size: 15px; }
.search-field:focus-within { border-color: #9eaba3; }
.search-results { margin-top: 12px; max-height: 36dvh; overflow: auto; }
.search-results a { display: flex; justify-content: space-between; align-items: center; gap: 20px; border-radius: 5px; padding: 13px; font-size: 13px; }
.search-results a:hover, .search-results a:focus-visible { background: #24272d; outline: none; }
.search-results a > span:last-child { color: #858c98; font-size: 11px; }
.search-empty { padding: 28px 12px; color: var(--muted); font-size: 13px; line-height: 1.7; }
.search-footer { display: flex; justify-content: space-between; gap: 16px; padding-top: 18px; margin-top: 12px; border-top: 1px solid var(--line); color: #8b919b; font-size: 10px; }
.static-fallback { line-height: 1.8; }
.static-fallback img { margin-top: 32px; }
@media (min-width: 801px) and (max-height: 900px) {
  .hero { padding-top: 96px; }
  .hero h1 { font-size: 86px; }
  .product-scene { height: clamp(180px, calc(100svh - 570px), 330px); }
  .hero-bottom { margin-top: 20px; }
}
@media (max-width: 1100px) {
  :root { --gutter: 36px; }
  .desktop-nav { gap: 22px; }
  .site-header { gap: 24px; }
  .chapter-top { grid-template-columns: 1fr 300px; gap: 24px; }
  .chapter h2 { font-size: 54px; }
  .shield-layout { gap: 40px; }
  .about h2 { font-size: 56px; }
  .about-detail { gap: 48px; }
  .download-bottom { gap: 64px; }
  .questions { grid-template-columns: 1fr 1.4fr; gap: 36px; }
}
@media (max-width: 800px) {
  :root { --gutter: 28px; --header: 66px; }
  .site-header { gap: 20px; }
  .desktop-nav { gap: 18px; font-size: 12px; }
  .header-actions { gap: 6px; }
  .nav-download { padding: 10px 12px; gap: 8px; }
  .hero h1 { font-size: 84px; }
  .hero { padding-top: 100px; }
  .product-scene { height: 340px; }
  .hero-bottom { margin-top: 28px; }
  .hero-bottom > span:first-child { display: none; }
  .section-pad { padding-top: 88px; padding-bottom: 88px; }
  .introduction { padding-top: 48px; }
  .introduction h2 { font-size: 62px; }
  .chapter-index { padding-inline: 16px; gap: 2px; }
  .chapter-index a { padding: 8px 14px; gap: 8px; }
  .chapter-top { grid-template-columns: 1fr; gap: 24px; margin-bottom: 36px; }
  .chapter h2 { font-size: 56px; max-width: 600px; }
  .chapter-description { max-width: 520px; }
  .chapter { padding-top: 72px; padding-bottom: 56px; }
  .chapter-stage { padding: 8px 0; }
  .enlarge-label { opacity: 1; transform: none; width: 30px; height: 30px; bottom: 10px; right: 10px; }
  .chapter-bottom { gap: 36px; }
  .about h2 { font-size: 48px; }
  .about-detail { gap: 36px; font-size: 14px; }
  .about-detail > p { font-size: 20px; }
  .project-facts { grid-template-columns: 1fr 1fr; row-gap: 28px; }
  .section-heading h2 { font-size: 54px; }
  .section-heading > p { font-size: 13px; }
  .timeline li { padding-right: 24px; }
  .timeline h3 { font-size: 20px; }
  .timeline li > p { min-height: 160px; font-size: 13px; }
  .questions { grid-template-columns: 1fr; gap: 36px; }
  .download h2 { font-size: 62px; }
  .download-bottom { gap: 36px; }
  .site-footer { flex-wrap: wrap; gap: 28px; }
  .site-footer nav { width: 100%; }
}
@media (max-width: 600px) {
  :root { --gutter: 20px; --header: 64px; }
  html { scroll-padding-top: 126px; }
  .site-header { gap: 12px; }
  .brand { font-size: 16px; }
  .brand img { width: 18px; height: 23px; }
  .desktop-nav { display: none; }
  .header-actions { margin-left: auto; gap: 10px; }
  .nav-download { font-size: 11px; gap: 8px; padding: 9px 11px; }
  .nav-download svg { width: 13px; height: 13px; }
  .header-actions .icon-button { display: none; }
  .menu-toggle { display: inline-grid; flex-shrink: 0; }
  .mobile-menu { position: fixed; top: var(--header); left: 0; right: 0; height: calc(100dvh - var(--header)); overflow: auto; background: #0b0c0f; padding: 36px var(--gutter); }
  .mobile-menu > a { display: flex; justify-content: space-between; align-items: center; padding: 24px 0; border-bottom: 1px solid var(--line); font-size: 28px; }
  .mobile-menu > a span { font-size: 11px; color: #8d949f; }
  .mobile-menu > p { font-size: 12px; color: #9299a4; margin-top: 40px; }
  .hero { padding-top: 104px; }
  .hero-kicker { font-size: 10px; }
  .hero h1 { font-size: 67px; margin-top: 14px; }
  .hero-tagline { font-size: 19px; margin-top: 12px; }
  .hero-description { font-size: 13px; }
  .hero-actions { gap: 20px; flex-direction: column; margin-top: 24px; }
  .hero-actions .button { min-height: 42px; }
  .hero-actions .text-link { font-size: 12px; }
  .hero-scene { margin-top: 20px; }
  .product-scene { height: 228px; }
  .scene-controls { flex-direction: column; gap: 14px; }
  .preview-tab { padding: 9px 14px; font-size: 11px; min-width: 82px; }
  .scene-caption { font-size: 10px; }
  .hero-bottom { margin-top: 32px; padding: 20px 0; font-size: 9px; }
  .scroll-cue { gap: 8px; }
  .scroll-cue svg { width: 14px; }
  .section-pad { padding-top: 72px; padding-bottom: 72px; }
  .introduction { padding-top: 48px; }
  .section-meta { margin-bottom: 36px; font-size: 10px; }
  .introduction h2 { font-size: 44px; line-height: 1.15; }
  .intro-copy { font-size: 15px; line-height: 1.85; margin-top: 24px; }
  .chapter-index { gap: 0; padding: 8px 6px; }
  .chapter-index a { font-size: 10px; padding: 8px 11px; gap: 6px; }
  .chapter-index a span { display: none; }
  .chapter { padding-top: 60px; padding-bottom: 48px; }
  .chapter-top { margin-bottom: 28px; }
  .chapter h2 { font-size: 44px; }
  .chapter-number { font-size: 11px; }
  .chapter-number span { font-size: 9px; }
  .chapter-description { font-size: 14px; }
  .chapter-stage { padding: 0; }
  .chapter-bottom { grid-template-columns: 1fr; gap: 18px; margin-top: 24px; padding-top: 20px; font-size: 11px; }
  .enlarge-label { right: 8px; bottom: 8px; width: 26px; height: 26px; }
  .enlarge-label svg { width: 13px; height: 13px; }
  .command-keys { gap: 16px; }
  .command-keys kbd { width: 88px; height: 80px; font-size: 24px; }
  .command-keys kbd:last-child { width: 80px; }
  .chapter--commands .chapter-stage { gap: 32px; padding-bottom: 8px; }
  .shield-layout { grid-template-columns: 1fr; gap: 36px; }
  .shield-symbol { width: 140px; height: 140px; }
  .shield-symbol svg { width: 118px; height: 118px; }
  .shield-flow { max-width: none; }
  .shield-controls > p:first-child { font-size: 22px; }
  .mode-explanation { min-height: 84px; }
  .about h2 { font-size: 38px; }
  .about-detail { grid-template-columns: 1fr; margin-top: 32px; gap: 28px; }
  .project-facts { gap: 28px 16px; margin-top: 36px; }
  .project-facts p { font-size: 11px; }
  .project-facts span { font-size: 10px; }
  .section-heading { display: block; }
  .section-heading h2 { font-size: 44px; }
  .section-heading > p { margin-top: 24px; font-size: 14px; }
  .timeline { display: block; margin-top: 40px; }
  .timeline li { padding: 0 0 36px 28px; border-top: none; border-left: 1px solid #383b40; }
  .timeline li:last-child { padding-bottom: 0; }
  .timeline li::before { top: 4px; left: -4px; }
  .timeline h3 { margin-top: 12px; font-size: 22px; }
  .timeline li > p { min-height: 0; max-width: none; margin-top: 12px; }
  .timeline-status { margin-top: 16px; }
  .questions h2 { font-size: 38px; }
  .question-list summary { font-size: 14px; line-height: 1.6; padding-block: 22px; }
  .download h2 { font-size: 42px; }
  .download-mark { width: 38px; height: auto; }
  .download-bottom { grid-template-columns: 1fr; gap: 32px; margin-top: 36px; }
  .download-status { font-size: 18px; }
  .download-explanation { font-size: 13px; }
  .release-notes { margin-top: 32px; }
  .site-footer { gap: 22px; padding-block: 28px; }
  .site-footer > p { font-size: 9px; }
  .site-footer nav { gap: 20px; font-size: 10px; }
  .search-dialog { padding: 20px; margin-top: 10dvh; }
}
@media (max-width: 374px) {
  .hero h1 { font-size: 58px; }
  .hero-tagline { font-size: 17px; }
  .nav-download svg { display: none; }
  .introduction h2, .chapter h2, .section-heading h2, .download h2 { font-size: 36px; }
  .about h2 { font-size: 32px; }
  .hero-bottom { gap: 8px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}
html.reduce-motion { scroll-behavior: auto; }
.reduce-motion *, .reduce-motion *::before, .reduce-motion *::after { animation: none !important; transition: none !important; }
