/* Hallmark · pre-emit critique: P5 H5 E5 S5 R5 V5
 * genre: atmospheric · macrostructure: Narrative Workflow · theme: Midnight · enrichment: E8 verified reference artwork · nav: N13 · footer: Ft5
 * audience: survival-horror players · use: download · tone: technical / restrained
 * mobile: pass (320 / 375 / 414 / 768) · honest: pass · tokens: pass
 */
:root {
  --color-paper: oklch(13% .018 250);
  --color-paper-2: oklch(17% .021 250);
  --color-paper-3: oklch(21% .024 250);
  --color-ink: oklch(93% .012 250);
  --color-muted: oklch(70% .018 250);
  --color-dim: oklch(54% .018 250);
  --color-rule: oklch(31% .024 250);
  --color-rule-light: oklch(44% .03 250);
  --color-accent: oklch(82% .18 166);
  --color-accent-soft: oklch(65% .16 166);
  --color-accent-dark: oklch(21% .075 166);
  --color-signal: oklch(75% .15 84);
  --color-danger: oklch(72% .14 28);
  --color-shadow: oklch(5% .012 250 / .7);
  --color-overlay: oklch(6% .014 250 / .76);
  --font-display: "Tomorrow", "Noto Sans SC", sans-serif;
  --font-body: "Noto Sans SC", sans-serif;
  --font-mono: "IBM Plex Mono", monospace;
  --space-1: .25rem;
  --space-2: .5rem;
  --space-3: .75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;
  --measure: 74rem;
  --radius-sm: .375rem;
  --radius-pill: 999px;
  --ease-out: cubic-bezier(.16, 1, .3, 1);
  --ease-in: cubic-bezier(.7, 0, .84, 0);
  --dur-fast: 150ms;
  --dur-base: 260ms;
  --nav-height: 4.25rem;
}

* { box-sizing: border-box; }
html, body { margin: 0; overflow-x: clip; background: var(--color-paper); color: var(--color-ink); font-family: var(--font-body); scroll-behavior: smooth; }
body { min-width: 320px; font-size: 1rem; line-height: 1.7; }
body.is-searching { overflow: hidden; }
a { color: inherit; text-decoration: none; }
button, input { font: inherit; }
button { cursor: pointer; }
img { display: block; max-width: 100%; height: auto; }
h1, h2, h3, p, figure { margin: 0; }
h1, h2, h3 { font-style: normal; overflow-wrap: anywhere; min-width: 0; }
h1, h2 { font-family: var(--font-display); letter-spacing: -.045em; line-height: 1.04; }
h3 { line-height: 1.25; }
p { max-width: 68ch; }
::selection { background: var(--color-accent); color: var(--color-paper); }
:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 4px; }

.site-nav { position: fixed; z-index: 300; top: .875rem; left: 50%; display: flex; align-items: center; gap: var(--space-4); width: min(var(--measure), calc(100% - 2rem)); min-height: var(--nav-height); padding: .55rem .7rem .55rem 1rem; transform: translateX(-50%); border: 1px solid var(--color-rule-light); border-radius: var(--radius-pill); background: oklch(12% .018 250 / .88); box-shadow: 0 1rem 2.5rem var(--color-shadow); color: var(--color-ink); backdrop-filter: blur(14px); }
.brand { display: inline-flex; align-items: center; gap: .65rem; min-width: 0; color: var(--color-ink); white-space: nowrap; }
.brand img { width: 2.5rem; height: 2.5rem; border: 1px solid var(--color-rule-light); border-radius: 50%; object-fit: cover; }
.brand span { display: grid; font-weight: 800; line-height: 1.1; }
.brand small { color: var(--color-muted); font: 500 .58rem/1.25 var(--font-mono); letter-spacing: .12em; }
.nav-links { display: flex; align-items: center; gap: var(--space-4); margin-inline: auto; font-size: .82rem; white-space: nowrap; }
.nav-links a { color: var(--color-muted); transition: color var(--dur-fast) var(--ease-out); }
.nav-links a:hover, .nav-links a.is-active { color: var(--color-accent); }
.search-pill { display: inline-flex; align-items: center; gap: .55rem; min-height: 2.25rem; padding: 0 .55rem 0 .75rem; border: 1px solid var(--color-rule); border-radius: var(--radius-pill); background: var(--color-paper-2); color: var(--color-muted); white-space: nowrap; }
.search-pill:hover { border-color: var(--color-accent-soft); color: var(--color-ink); }
.search-mark { color: var(--color-accent); font: 700 1.1rem var(--font-mono); }
.search-label { font-size: .75rem; }
kbd { padding: .1rem .3rem; border: 1px solid var(--color-rule-light); border-radius: 3px; color: var(--color-muted); font: .68rem var(--font-mono); }
.nav-cta, .button, .sticky-download { display: inline-flex; align-items: center; justify-content: center; min-height: 2.9rem; padding: 0 1.25rem; border: 1px solid transparent; border-radius: var(--radius-sm); font-weight: 800; white-space: nowrap; transition: transform var(--dur-base) var(--ease-out), background var(--dur-base) var(--ease-out), color var(--dur-base) var(--ease-out), border-color var(--dur-base) var(--ease-out), box-shadow var(--dur-base) var(--ease-out); }
.nav-cta, .button-primary, .sticky-download { background: var(--color-accent); color: var(--color-paper); }
.nav-cta { min-height: 2.45rem; padding-inline: 1rem; font-size: .78rem; }
.nav-cta:hover, .button-primary:hover, .sticky-download:hover { transform: translateY(-2px); box-shadow: 0 .8rem 1.5rem oklch(65% .16 166 / .18); }
.button-outline { border-color: var(--color-rule-light); color: var(--color-ink); }
.button-outline:hover { border-color: var(--color-accent); color: var(--color-accent); }
.menu-toggle { display: none; min-height: 2.4rem; padding: 0 .75rem; border: 1px solid var(--color-rule-light); border-radius: var(--radius-pill); background: transparent; color: var(--color-ink); white-space: nowrap; }
.mobile-menu { position: fixed; z-index: 290; top: 5.1rem; left: 1rem; right: 1rem; padding: .75rem 1rem; border: 1px solid var(--color-rule-light); border-radius: var(--radius-sm); background: var(--color-paper-2); box-shadow: 0 1rem 2.5rem var(--color-shadow); }
.mobile-menu nav { display: grid; gap: .25rem; }
.mobile-menu a { padding: .7rem 0; border-bottom: 1px solid var(--color-rule); color: var(--color-muted); white-space: nowrap; }

.hero { position: relative; min-height: min(50rem, 100svh); display: flex; align-items: flex-end; overflow: hidden; padding: 9rem max(1rem, calc((100% - var(--measure)) / 2)) 5rem; background: var(--color-paper); }
.hero-image, .hero-shade { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero-image { object-fit: cover; object-position: center; }
.hero-shade { background: linear-gradient(90deg, var(--color-overlay) 0%, oklch(6% .014 250 / .62) 44%, oklch(6% .014 250 / .35) 100%), linear-gradient(0deg, var(--color-overlay) 2%, transparent 70%); }
.hero-content { position: relative; z-index: 1; width: min(42rem, 100%); }
.status-line, .eyebrow, .platform-tag, .section-number { color: var(--color-accent); font: 600 .72rem/1.2 var(--font-mono); letter-spacing: .12em; text-transform: uppercase; }
.status-line { display: flex; align-items: center; gap: .6rem; }
.status-dot { width: .5rem; height: .5rem; border-radius: 50%; background: var(--color-accent); box-shadow: 0 0 .8rem var(--color-accent); }
.hero h1 { margin-top: 1.2rem; color: var(--color-ink); font-size: clamp(3.5rem, 10vw, 8rem); text-shadow: 0 .25rem 2rem oklch(5% .012 250 / .7); }
.hero h1 small { display: block; margin-top: .8rem; color: var(--color-accent); font: 600 clamp(.9rem, 1.8vw, 1.3rem)/1 var(--font-mono); letter-spacing: .16em; }
.hero-lede { max-width: 39rem; margin-top: 1.4rem; color: var(--color-ink); font-size: clamp(1.05rem, 2vw, 1.35rem); line-height: 1.65; }
.hero-tags { display: flex; flex-wrap: wrap; gap: .55rem; margin-top: 1.4rem; }
.hero-tags span { padding: .38rem .65rem; border: 1px solid oklch(93% .012 250 / .25); border-radius: var(--radius-pill); background: oklch(13% .018 250 / .52); color: var(--color-ink); font-size: .76rem; }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: .75rem; margin-top: 2rem; }
.shine { position: relative; isolation: isolate; overflow: hidden; }
.shine::after { content: ""; position: absolute; z-index: -1; inset: 0; transform: translateX(-140%) skewX(-24deg); background: linear-gradient(90deg, transparent, oklch(100% 0 0 / .58), transparent); animation: glint 3.4s ease-in-out infinite; }
@keyframes glint { 45%, 100% { transform: translateX(150%) skewX(-24deg); } }
.hero-readout { position: absolute; z-index: 1; right: max(1rem, calc((100% - var(--measure)) / 2)); bottom: 5rem; display: grid; gap: .25rem; width: 10rem; padding: .75rem 1rem; border-left: 2px solid var(--color-accent); background: oklch(10% .018 250 / .7); font-family: var(--font-mono); }
.hero-readout span, .hero-readout small { color: var(--color-muted); font-size: .65rem; }
.hero-readout strong { color: var(--color-accent); font-size: 1.25rem; }
.fact-rail { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); width: min(var(--measure), calc(100% - 2rem)); margin: -1px auto 0; background: var(--color-paper-2); border: 1px solid var(--color-rule); }
.fact-rail div { min-width: 0; padding: 1.3rem 1.2rem; border-right: 1px solid var(--color-rule); }
.fact-rail div:last-child { border-right: 0; }
.fact-rail span { display: block; margin-bottom: .35rem; color: var(--color-muted); font: .68rem var(--font-mono); letter-spacing: .1em; text-transform: uppercase; }
.fact-rail strong { display: block; font-size: .9rem; overflow-wrap: anywhere; }

.section { width: min(var(--measure), calc(100% - 2rem)); margin-inline: auto; padding-block: clamp(5.5rem, 10vw, 9rem); }
.section-heading { display: grid; grid-template-columns: minmax(0, 4rem) minmax(0, 1fr); gap: 1.2rem; align-items: start; }
.section-number { padding-top: .45rem; font-size: .82rem; }
.section-heading h2 { max-width: 38rem; margin-top: .6rem; color: var(--color-ink); font-size: clamp(2.4rem, 6vw, 5.5rem); }
.section-sub { margin-top: 1.25rem; color: var(--color-muted); }
.story-layout { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, .75fr); gap: clamp(2rem, 10vw, 9rem); margin-top: 4rem; }
.story-copy { max-width: 45rem; font-size: 1.08rem; }
.story-copy p + p { margin-top: 1.3rem; }
.text-link { display: inline-flex; align-items: center; gap: .5rem; margin-top: 1.5rem; padding-bottom: .25rem; border-bottom: 1px solid var(--color-accent); color: var(--color-accent); font-weight: 800; }
.signal-box { align-self: end; padding: 1.4rem; border: 1px solid var(--color-rule-light); border-top: 2px solid var(--color-accent); background: var(--color-paper-2); }
.signal-box span { color: var(--color-muted); font: .68rem var(--font-mono); letter-spacing: .1em; }
.signal-box strong { display: block; margin-top: 1rem; color: var(--color-accent); font: 700 clamp(2rem, 5vw, 3.4rem)/1 var(--font-display); }
.signal-box p { margin-top: .8rem; color: var(--color-muted); font-size: .85rem; }
.workflow-section { border-top: 1px solid var(--color-rule); }
.workflow-list { margin-top: 4rem; border-top: 2px solid var(--color-accent); }
.workflow-list article { display: grid; grid-template-columns: minmax(0, 7rem) minmax(0, 1fr); gap: 2rem; padding: 1.8rem 0; border-bottom: 1px solid var(--color-rule); }
.workflow-list b { color: var(--color-accent); font: 600 clamp(1.8rem, 4vw, 3.3rem)/1 var(--font-mono); }
.workflow-list h3 { font-size: 1.35rem; }
.workflow-list p { margin-top: .45rem; color: var(--color-muted); }
.feature-section { border-top: 1px solid var(--color-rule); }
.feature-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1px; margin-top: 4rem; border-top: 1px solid var(--color-rule); border-left: 1px solid var(--color-rule); background: var(--color-rule); }
.feature-card { min-height: 14rem; padding: 1.5rem; background: var(--color-paper-2); transition: transform var(--dur-base) var(--ease-out), background var(--dur-base) var(--ease-out), box-shadow var(--dur-base) var(--ease-out); }
.feature-card:hover, .feature-card:focus-within { position: relative; z-index: 1; transform: translateY(-4px); background: var(--color-paper-3); box-shadow: 0 1rem 2rem var(--color-shadow); }
.feature-index { color: var(--color-accent); font: .72rem var(--font-mono); }
.feature-card h3 { margin-top: 3.3rem; font-size: 1.25rem; }
.feature-card p { margin-top: .65rem; color: var(--color-muted); font-size: .88rem; }
.gallery-section { border-top: 1px solid var(--color-rule); }
.gallery-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: .75rem; margin-top: 3.5rem; }
.gallery-tile { min-width: 0; padding: 0; overflow: hidden; border: 1px solid var(--color-rule); background: var(--color-paper-2); cursor: zoom-in; aspect-ratio: 16 / 9; }
.gallery-tile img { width: 100%; height: 100%; object-fit: cover; transition: transform .35s var(--ease-out), filter .35s var(--ease-out); }
.gallery-tile:hover img, .gallery-tile:focus-visible img { transform: scale(1.04); filter: brightness(1.16); }
.download-band { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: 2rem; padding: clamp(3rem, 7vw, 6rem) max(1rem, calc((100% - var(--measure)) / 2)); background: var(--color-accent-dark); border-block: 1px solid var(--color-accent-soft); }
.download-band h2 { margin-top: .65rem; font-size: clamp(2.1rem, 5vw, 4.2rem); }
.download-band p:not(.eyebrow) { margin-top: .9rem; color: var(--color-muted); }
.fit-section { border-top: 1px solid var(--color-rule); }
.fit-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1px; margin-top: 3.5rem; background: var(--color-rule); }
.fit-grid article { padding: 1.5rem; background: var(--color-paper-2); }
.fit-grid strong { font-size: 1.15rem; }
.fit-grid p { margin-top: .65rem; color: var(--color-muted); }
.faq-section { border-top: 1px solid var(--color-rule); }
.faq-list { margin-top: 3.5rem; border-top: 1px solid var(--color-rule); }
.faq-item { border-bottom: 1px solid var(--color-rule); }
.faq-item summary { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 1.2rem 0; cursor: pointer; font-weight: 800; list-style: none; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary b { color: var(--color-accent); font: 1.5rem/1 var(--font-mono); }
.faq-item[open] summary b { transform: rotate(45deg); }
.faq-item p { max-width: 55rem; padding: 0 3rem 1.25rem 0; color: var(--color-muted); }
.final-cta { padding: clamp(6rem, 12vw, 11rem) 1rem; background: var(--color-paper-2); border-block: 1px solid var(--color-rule); text-align: center; }
.final-cta h2 { max-width: 48rem; margin: 1rem auto; font-size: clamp(2.8rem, 7vw, 6rem); }
.final-cta > p:not(.eyebrow) { margin-inline: auto; color: var(--color-muted); }
.final-cta .hero-actions { justify-content: center; }
.final-cta small { display: block; margin-top: 1.6rem; color: var(--color-dim); }
.article-cluster { border-top: 1px solid var(--color-rule); }
.article-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: .75rem; margin-top: 3.5rem; }
.article-link { display: grid; gap: .6rem; min-height: 7.5rem; padding: 1rem; border: 1px solid var(--color-rule); background: var(--color-paper-2); transition: transform var(--dur-base) var(--ease-out), border-color var(--dur-base) var(--ease-out); }
.article-link:hover { transform: translateY(-3px); border-color: var(--color-accent-soft); }
.article-link strong { font-size: .9rem; line-height: 1.45; }
.article-link span { color: var(--color-accent); font: .66rem var(--font-mono); letter-spacing: .08em; text-transform: uppercase; }

.page-head { padding-top: 11rem; }
.page-head h1 { margin-top: .7rem; font-size: clamp(3.3rem, 9vw, 7.3rem); }
.page-head h1 span { color: var(--color-accent); }
.page-head > p:not(.eyebrow) { max-width: 46rem; margin-top: 1.2rem; color: var(--color-muted); font-size: 1.08rem; }
.tabs { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: 3.5rem; }
.tabs button { min-height: 2.5rem; padding: 0 .85rem; border: 1px solid var(--color-rule-light); border-radius: var(--radius-pill); background: transparent; color: var(--color-muted); white-space: nowrap; }
.tabs button.is-active, .tabs button:hover { border-color: var(--color-accent); background: var(--color-accent); color: var(--color-paper); }
.gallery-large { margin-top: 1.2rem; }
.gallery-large[hidden] { display: none; }
.page-note, .muted-label { color: var(--color-dim); font-size: .84rem; }
.lightbox { width: min(70rem, calc(100% - 2rem)); padding: 1rem; border: 1px solid var(--color-rule-light); background: var(--color-paper-2); color: var(--color-ink); }
.lightbox::backdrop { background: var(--color-overlay); backdrop-filter: blur(8px); }
.lightbox img { width: 100%; max-height: 78svh; object-fit: contain; }
.lightbox button { position: absolute; min-width: 2.75rem; min-height: 2.75rem; padding: 0 .7rem; border: 1px solid var(--color-rule-light); background: var(--color-paper); color: var(--color-ink); }
.lightbox-close { top: .8rem; right: .8rem; }
.lightbox-prev, .lightbox-next { top: 50%; transform: translateY(-50%); }
.lightbox-prev { left: .8rem; }
.lightbox-next { right: .8rem; }
.lightbox p { margin-top: .8rem; color: var(--color-muted); font-size: .85rem; }
.platform-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1px; margin-top: 3.5rem; background: var(--color-rule); }
.platform-grid article { min-height: 20rem; padding: 2rem; background: var(--color-paper-2); }
.platform-grid article + article { background: var(--color-paper-3); }
.platform-grid h2 { margin-top: 1.1rem; font-size: clamp(2rem, 5vw, 3.5rem); }
.platform-grid p { max-width: 32rem; margin: 1rem 0 1.8rem; color: var(--color-muted); }
.platform-unverified { opacity: .72; }
.install-guide, .download-faq { margin-top: 7rem; padding-top: 1.5rem; border-top: 1px solid var(--color-rule); }
.install-guide > h2 { margin-top: .7rem; font-size: clamp(2rem, 5vw, 3.8rem); }
.install-steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1px; margin-top: 3rem; background: var(--color-rule); }
.install-steps article { min-height: 15rem; padding: 1.5rem; background: var(--color-paper-2); }
.install-steps b { color: var(--color-accent); font: 1.6rem var(--font-mono); }
.install-steps h3 { margin-top: 2.8rem; font-size: 1.25rem; }
.install-steps p { margin-top: .55rem; color: var(--color-muted); font-size: .88rem; }
.requirements { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1px; margin-top: 4rem; background: var(--color-rule); }
.requirements div { padding: 1.5rem; background: var(--color-paper-2); }
.requirements div + div { background: var(--color-paper-3); }
.requirements span { color: var(--color-accent); font: .72rem var(--font-mono); letter-spacing: .1em; text-transform: uppercase; }
.requirements p { margin-top: .7rem; color: var(--color-muted); }
.guide-toc { position: sticky; z-index: 200; top: 5.6rem; display: flex; flex-wrap: wrap; gap: 1rem; margin-top: 3.5rem; padding: .9rem 0; border-block: 1px solid var(--color-rule); background: var(--color-paper); }
.guide-toc a { color: var(--color-accent); font-size: .82rem; white-space: nowrap; }
.guide-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1px; margin-top: 2rem; background: var(--color-rule); }
.guide-card { min-height: 13rem; padding: 1.5rem; background: var(--color-paper-2); transition: transform var(--dur-base) var(--ease-out), background var(--dur-base) var(--ease-out); }
.guide-card:nth-child(2n) { background: var(--color-paper-3); }
.guide-card:hover { position: relative; z-index: 1; transform: translateY(-4px); background: var(--color-accent-dark); }
.guide-card span { color: var(--color-accent); font: 1rem var(--font-mono); }
.guide-card h2 { margin-top: 2.2rem; font-size: 1.55rem; }
.guide-card p { margin-top: .5rem; color: var(--color-muted); }
.guide-card b { display: block; margin-top: 1rem; color: var(--color-accent); font-size: .8rem; }
.guide-prose { max-width: 54rem; margin-top: 7rem; }
.guide-prose article { padding-block: 3.2rem; border-top: 1px solid var(--color-rule); scroll-margin-top: 7rem; }
.guide-prose h2 { margin-top: .6rem; font-size: clamp(2rem, 5vw, 3.8rem); }
.guide-prose article > p:not(.eyebrow), .guide-prose li { color: var(--color-muted); }
.guide-prose article > p:not(.eyebrow) { margin-top: 1rem; }
.guide-prose ol, .guide-prose ul { margin: 1.2rem 0 0; padding-inline-start: 1.4rem; line-height: 2; }
table { width: 100%; margin-top: 1.5rem; border-collapse: collapse; text-align: left; }
th, td { padding: .85rem .7rem; border-bottom: 1px solid var(--color-rule); vertical-align: top; }
th { width: 10rem; color: var(--color-accent); font: .72rem var(--font-mono); letter-spacing: .06em; }
td { color: var(--color-muted); }
.article-cluster > h2 { margin-top: .7rem; font-size: clamp(2rem, 5vw, 3.8rem); }
.article-cluster > div { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: .75rem; margin-top: 2.5rem; }
.article-page { width: min(54rem, calc(100% - 2rem)); margin-inline: auto; padding: 11rem 0 7rem; }
.article-page h1 { max-width: 50rem; margin-top: .75rem; font-size: clamp(3rem, 8vw, 6rem); }
.article-page .answer { margin-top: 2rem; padding-block: 1.4rem; border-block: 1px solid var(--color-rule); color: var(--color-ink); font-size: 1.12rem; }
.article-page h2 { margin-top: 3.5rem; font-size: clamp(2rem, 5vw, 3.3rem); }
.article-page ol { margin-top: 1rem; padding-inline-start: 1.4rem; color: var(--color-muted); line-height: 2; }
.article-page table { margin-top: 1.5rem; }
.article-page > p:not(.eyebrow):not(.answer) { margin-top: 1rem; color: var(--color-muted); }
.article-links { display: flex; flex-wrap: wrap; gap: .7rem; margin-top: 2.5rem; padding-top: 1.2rem; border-top: 1px solid var(--color-rule); }
.article-links a { padding: .65rem .8rem; border: 1px solid var(--color-rule-light); color: var(--color-accent); font-size: .82rem; white-space: nowrap; }

.search-modal[hidden] { display: none; }
.search-modal { position: fixed; z-index: 700; inset: 0; }
.search-backdrop { position: absolute; inset: 0; background: var(--color-overlay); }
.search-panel { position: relative; width: min(36rem, calc(100% - 2rem)); margin: 12vh auto 0; padding: 1rem; border: 1px solid var(--color-rule-light); background: var(--color-paper-2); box-shadow: 0 2rem 5rem var(--color-shadow); }
.search-field { display: flex; align-items: center; gap: .75rem; padding-bottom: .8rem; border-bottom: 1px solid var(--color-rule); }
.search-field label { color: var(--color-accent); font: .75rem var(--font-mono); white-space: nowrap; }
.search-field input { min-width: 0; flex: 1; border: 0; outline: 0; background: transparent; color: var(--color-ink); }
.search-results { display: grid; gap: .25rem; margin-top: 1rem; }
.search-results a { display: grid; gap: .25rem; padding: .75rem; border: 1px solid transparent; }
.search-results a:hover { border-color: var(--color-rule-light); background: var(--color-paper-3); }
.search-results span, .search-foot { color: var(--color-muted); font-size: .78rem; }
.search-foot { margin-top: 1rem; }
.sticky-download { position: fixed; z-index: 250; right: 1rem; bottom: max(1rem, env(safe-area-inset-bottom)); min-height: 3.1rem; padding-inline: 1rem; box-shadow: 0 .8rem 2rem var(--color-shadow); }
.site-footer { padding: clamp(4rem, 9vw, 8rem) max(1rem, calc((100% - var(--measure)) / 2)) 1.5rem; background: var(--color-paper-2); border-top: 1px solid var(--color-rule); }
.footer-statement { max-width: 33ch; font-family: var(--font-display); font-size: clamp(2rem, 5vw, 4rem); line-height: 1.05; letter-spacing: -.04em; }
.footer-meta { display: grid; grid-template-columns: 1.25fr .6fr 1fr; gap: 3rem; margin-top: 4rem; padding-top: 1.4rem; border-top: 1px solid var(--color-rule); }
.footer-meta img { width: 2.6rem; height: 2.6rem; border-radius: 50%; }
.footer-meta strong { display: block; margin-top: .7rem; }
.footer-meta p, .footer-meta a, .footer-bottom { color: var(--color-muted); font-size: .82rem; }
.footer-meta p { margin-top: .4rem; }
.footer-meta nav { display: grid; align-content: start; gap: .35rem; }
.footer-meta a:hover { color: var(--color-accent); }
.footer-label { display: block; margin-bottom: .55rem; color: var(--color-accent); font: .7rem var(--font-mono); letter-spacing: .1em; }
.related-links { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .35rem 1rem !important; }
.footer-bottom { display: flex; justify-content: space-between; gap: 1rem; margin-top: 3rem; padding-top: 1rem; border-top: 1px solid var(--color-rule); }
.reveal-ready { opacity: 0; transform: translateY(1rem); transition: opacity .5s var(--ease-out), transform .5s var(--ease-out); }
.reveal-ready.is-visible { opacity: 1; transform: none; }

@media (min-width: 40rem) {
  .hero { padding-inline: max(2rem, calc((100% - var(--measure)) / 2)); }
  .section, .page-head { width: min(var(--measure), calc(100% - 4rem)); }
  .download-band { padding-inline: max(2rem, calc((100% - var(--measure)) / 2)); }
}
@media (max-width: 60rem) {
  .nav-links, .search-pill { display: none; }
  .menu-toggle { display: inline-flex; margin-left: auto; }
  .nav-cta { margin-left: auto; }
  .hero-readout { display: none; }
  .feature-grid, .article-grid, .article-cluster > div { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 40rem) {
  .site-nav { top: .5rem; width: calc(100% - 1rem); }
  .brand span { font-size: .85rem; }
  .brand small { display: none; }
  .nav-cta { min-height: 2.4rem; padding-inline: .75rem; font-size: .72rem; }
  .hero { min-height: 43rem; padding-top: 8rem; padding-bottom: 4rem; }
  .hero h1 { font-size: clamp(3.2rem, 16vw, 5.5rem); }
  .hero-actions { align-items: stretch; }
  .hero-actions .button { width: 100%; }
  .fact-rail { width: calc(100% - 1rem); grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .fact-rail div { padding: 1rem .75rem; }
  .fact-rail strong { font-size: .78rem; }
  .section { width: calc(100% - 2rem); padding-block: 5rem; }
  .section-heading { grid-template-columns: minmax(0, 2.5rem) minmax(0, 1fr); gap: .75rem; }
  .section-heading h2 { font-size: clamp(2.2rem, 11vw, 3.6rem); }
  .story-layout, .download-band, .platform-grid, .requirements, .footer-meta { grid-template-columns: minmax(0, 1fr); }
  .story-layout { gap: 2rem; margin-top: 2.5rem; }
  .feature-grid, .fit-grid, .install-steps, .guide-grid, .article-grid, .article-cluster > div { grid-template-columns: minmax(0, 1fr); }
  .workflow-list article { grid-template-columns: minmax(0, 3.2rem) minmax(0, 1fr); gap: 1rem; }
  .gallery-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .5rem; }
  .download-band { gap: 1.5rem; }
  .download-band .button { width: 100%; }
  .page-head { width: calc(100% - 2rem); padding-top: 8.5rem; }
  .page-head h1, .article-page h1 { font-size: clamp(3rem, 15vw, 5rem); }
  .guide-toc { top: 5rem; gap: .7rem; }
  .guide-toc a { font-size: .75rem; }
  .guide-prose { margin-top: 5rem; }
  table { display: block; overflow-x: auto; }
  th { width: 7rem; }
  .article-page { width: calc(100% - 2rem); padding-top: 8.5rem; }
  .article-page h2 { font-size: 2rem; }
  .footer-meta { gap: 2rem; }
  .footer-bottom { display: grid; }
  .sticky-download { right: .75rem; bottom: max(.75rem, env(safe-area-inset-bottom)); }
}
@media (max-width: 22rem) {
  .nav-cta { padding-inline: .55rem; font-size: .68rem; }
  .menu-toggle { padding-inline: .55rem; font-size: .75rem; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .reveal-ready { opacity: 1; transform: none; }
}