/* Hallmark · genre: editorial · macrostructure: Bento Grid · theme: Studio · enrichment: E1 real artwork · nav: N9 · footer: Ft1 */
/* Hallmark · pre-emit critique: P5 H5 E4 S5 R5 V5 */
@import url("../../tokens.css");

* { box-sizing: border-box; }
html { scroll-behavior: smooth; overflow-x: clip; background: var(--color-paper-deep); }
body { margin: 0; min-width: 320px; overflow-x: clip; background: var(--color-paper); color: var(--color-ink); font-family: var(--font-body); line-height: 1.7; }
body, button, a { -webkit-tap-highlight-color: transparent; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
h1, h2, h3, p { margin: 0; }
h1, h2, h3 { font-family: var(--font-display); font-style: normal; line-height: 1.08; overflow-wrap: anywhere; }
h1 { font-size: var(--text-display); letter-spacing: -0.07em; max-width: 9ch; }
h2 { font-size: var(--text-2xl); letter-spacing: -0.04em; }
h3 { font-size: var(--text-lg); }
p { color: var(--color-ink-muted); }
button, a { transition: color var(--dur-fast) var(--ease-out), background-color var(--dur-fast) var(--ease-out), border-color var(--dur-fast) var(--ease-out), transform var(--dur-fast) var(--ease-out), box-shadow var(--dur-fast) var(--ease-out), opacity var(--dur-fast) var(--ease-out); }
a:focus-visible, button:focus-visible, summary:focus-visible { outline: 3px solid var(--color-focus); outline-offset: 3px; }

.shell { min-height: 100vh; }
.container { width: min(1180px, calc(100% - 2rem)); margin-inline: auto; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.eyebrow { color: var(--color-accent); font: 600 var(--text-xs)/1.2 var(--font-mono); letter-spacing: 0.12em; text-transform: uppercase; }
.muted { color: var(--color-ink-muted); }
.section { padding-block: var(--space-24); }
.section-head { display: flex; justify-content: space-between; gap: var(--space-8); align-items: end; margin-bottom: var(--space-10); }
.section-head > div { max-width: 58ch; }
.section-head h2 { margin-top: var(--space-3); }
.section-head p { max-width: 48ch; margin-top: var(--space-4); }
.rule { border-top: 1px solid var(--color-rule); }

.site-nav { position: fixed; inset: var(--space-4) var(--space-4) auto; z-index: 20; display: flex; align-items: center; gap: var(--space-4); width: min(1180px, calc(100% - 2rem)); margin: auto; padding: 0.55rem 0.65rem 0.55rem 0.8rem; border: 1px solid var(--color-rule); border-radius: var(--radius-md); background: var(--color-nav-bg); box-shadow: 0 16px 42px var(--color-shadow); backdrop-filter: blur(16px) saturate(130%); }
.brand { display: inline-flex; align-items: center; min-width: 0; }
.brand img { width: 38px; height: 38px; object-fit: cover; border-radius: var(--radius-sm); border: 1px solid var(--color-accent); }
.brand span { margin-left: var(--space-3); font: 700 var(--text-sm)/1 var(--font-display); white-space: nowrap; }
.nav-links { display: flex; align-items: center; justify-content: center; gap: clamp(0.6rem, 2vw, 1.5rem); margin-left: auto; }
.nav-links a { color: var(--color-ink-muted); font-size: var(--text-sm); white-space: nowrap; }
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--color-ink); }
.nav-download { display: inline-flex; align-items: center; justify-content: center; min-height: 42px; padding-inline: 0.95rem; color: var(--color-paper-deep); background: var(--color-accent); border: 1px solid var(--color-accent); border-radius: var(--radius-sm); font-size: var(--text-sm); font-weight: 800; white-space: nowrap; }
.nav-download:hover { background: var(--color-ink); border-color: var(--color-ink); transform: translateY(-2px); }
.menu-toggle { display: none; min-height: 40px; padding: 0 0.65rem; border: 1px solid var(--color-rule); background: transparent; color: var(--color-ink); border-radius: var(--radius-sm); }

.hero { position: relative; min-height: 820px; display: grid; align-items: end; isolation: isolate; overflow: clip; border-bottom: 1px solid var(--color-rule); }
.hero::after { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(90deg, var(--color-hero-deep) 0%, var(--color-hero-mid) 36%, var(--color-hero-soft) 76%, var(--color-hero-mid) 100%), linear-gradient(0deg, var(--color-hero-bottom), transparent 46%); }
.hero-art { position: absolute; inset: 0; z-index: -2; width: 100%; height: 100%; object-fit: cover; object-position: center; filter: saturate(0.82) contrast(1.08); }
.hero-inner { position: relative; z-index: 1; display: grid; grid-template-columns: minmax(0, 1.12fr) minmax(260px, 0.88fr); gap: var(--space-12); align-items: end; padding-top: 9rem; padding-bottom: var(--space-16); }
.hero-copy { max-width: 730px; }
.hero h1 { margin-top: var(--space-4); }
.hero h1 span { display: block; margin-top: var(--space-3); color: var(--color-accent); font: 600 clamp(1rem, 2vw, 1.45rem)/1.2 var(--font-body); letter-spacing: 0.02em; }
.hero-lede { max-width: 42ch; margin-top: var(--space-6); color: var(--color-ink); font-size: clamp(1rem, 2vw, 1.2rem); }
.hero-actions { display: flex; flex-wrap: wrap; gap: var(--space-3); margin-top: var(--space-8); }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 52px; padding: 0.7rem 1.15rem; border-radius: var(--radius-sm); font-weight: 800; white-space: nowrap; }
.button-primary { position: relative; overflow: clip; color: var(--color-paper-deep); background: var(--color-accent); border: 1px solid var(--color-accent); box-shadow: 0 0 0 0 var(--color-accent-glow); }
.button-primary::after { content: ""; position: absolute; inset: -40% auto -40% -30%; width: 24%; transform: translateX(-180%) skewX(-16deg); background: var(--color-shine); transition: transform 700ms var(--ease-out); }
.button-primary:hover { transform: translateY(-3px); box-shadow: 0 0 0 8px var(--color-accent-glow), 0 14px 30px var(--color-accent-glow); }
.button-primary:hover::after { transform: translateX(720%) skewX(-16deg); }
.button-secondary { color: var(--color-ink); border: 1px solid var(--color-rule); background: var(--color-button-secondary); }
.button-secondary:hover { color: var(--color-paper-deep); background: var(--color-ink); border-color: var(--color-ink); transform: translateY(-3px); }
.hero-metadata { align-self: end; display: grid; gap: var(--space-3); padding: var(--space-5); border-top: 1px solid var(--color-accent); border-bottom: 1px solid var(--color-rule); background: var(--color-metadata-bg); }
.hero-metadata p { color: var(--color-ink-muted); }
.hero-metadata strong { display: block; margin-top: 0.25rem; color: var(--color-ink); font-size: var(--text-lg); }

.info-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border-bottom: 1px solid var(--color-rule); }
.info-item { min-height: 128px; padding: var(--space-6); border-right: 1px solid var(--color-rule); }
.info-item:last-child { border-right: 0; }
.info-item span { display: block; color: var(--color-ink-muted); font: 0.72rem/1.3 var(--font-mono); letter-spacing: 0.08em; text-transform: uppercase; }
.info-item strong { display: block; margin-top: var(--space-3); color: var(--color-ink); font: 700 1.05rem/1.35 var(--font-body); }

.story-layout { display: grid; grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr); gap: clamp(2rem, 8vw, 9rem); }
.story-layout h2 { max-width: 10ch; }
.prose { max-width: 66ch; }
.prose p + p { margin-top: var(--space-5); }
.text-link { display: inline-flex; align-items: center; gap: var(--space-2); margin-top: var(--space-8); color: var(--color-accent); font-weight: 800; }
.text-link:hover { color: var(--color-ink); transform: translateX(4px); }

.ink-section { background: var(--color-paper-deep); border-block: 1px solid var(--color-rule); }
.feature-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1px; background: var(--color-rule); border: 1px solid var(--color-rule); }
.feature-card { min-height: 280px; padding: var(--space-6); background: var(--color-paper-deep); }
.feature-card:hover { background: var(--color-paper-soft); transform: translateY(-4px); }
.feature-mark { display: inline-grid; place-items: center; width: 34px; height: 34px; border: 1px solid var(--color-accent); color: var(--color-accent); font: 0.68rem var(--font-mono); }
.feature-card h3 { margin-top: var(--space-12); }
.feature-card p { margin-top: var(--space-3); max-width: 30ch; }

.gallery-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-3); }
.gallery-tile { position: relative; overflow: clip; aspect-ratio: 16 / 10; padding: 0; border: 1px solid var(--color-rule); background: var(--color-paper-soft); cursor: zoom-in; }
.gallery-tile:first-child { grid-column: span 2; grid-row: span 2; }
.gallery-tile img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--dur-slow) var(--ease-out), filter var(--dur-slow) var(--ease-out); }
.gallery-tile:hover img { transform: scale(1.045); filter: saturate(1.18) brightness(1.1); }
.gallery-tile::after { content: ""; position: absolute; inset: auto var(--space-3) var(--space-3) auto; width: 10px; height: 10px; border-right: 1px solid var(--color-accent); border-bottom: 1px solid var(--color-accent); }

.cta-band { padding-block: var(--space-12); background: var(--color-accent); color: var(--color-paper-deep); }
.cta-band-inner { display: flex; align-items: center; justify-content: space-between; gap: var(--space-8); }
.cta-band h2 { max-width: 16ch; }
.cta-band p { max-width: 48ch; margin-top: var(--space-3); color: var(--color-accent-copy); }
.cta-band .button-primary { color: var(--color-accent); background: var(--color-paper-deep); border-color: var(--color-paper-deep); }
.cta-band .button-primary:hover { color: var(--color-paper-deep); background: var(--color-ink); border-color: var(--color-ink); }

.timeline { display: grid; gap: var(--space-4); }
.timeline-item { display: grid; grid-template-columns: 100px minmax(0, 1fr); gap: var(--space-6); padding: var(--space-5) 0; border-top: 1px solid var(--color-rule); }
.timeline-item:last-child { border-bottom: 1px solid var(--color-rule); }
.timeline-item time { color: var(--color-accent); font: 0.75rem var(--font-mono); letter-spacing: 0.08em; text-transform: uppercase; }
.timeline-item p { margin-top: var(--space-2); }

.fit-section { background: var(--color-paper-soft); border-block: 1px solid var(--color-rule); }
.fit-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-3); }
.fit-card { min-height: 220px; display: flex; flex-direction: column; justify-content: space-between; padding: var(--space-6); border: 1px solid var(--color-rule); background: var(--color-paper); }
.fit-card:hover { transform: translateY(-4px); border-color: var(--color-accent); box-shadow: 0 14px 30px var(--color-shadow); }
.fit-card p { color: var(--color-ink); font: 700 1.35rem/1.35 var(--font-display); }
.fit-card span { color: var(--color-accent); font: 0.75rem var(--font-mono); }

.faq-list { border-top: 1px solid var(--color-rule); }
.faq-list details { border-bottom: 1px solid var(--color-rule); }
.faq-list summary { display: flex; justify-content: space-between; align-items: center; gap: var(--space-4); padding: var(--space-5) 0; cursor: pointer; list-style: none; color: var(--color-ink); font: 700 1.08rem/1.35 var(--font-body); }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: "+"; flex: 0 0 auto; color: var(--color-accent); font: 1.2rem var(--font-mono); }
.faq-list details[open] summary::after { content: "-"; }
.faq-list details p { max-width: 70ch; padding: 0 3rem var(--space-5) 0; }

.final-cta { display: grid; place-items: center; min-height: 520px; padding: var(--space-20) 1rem; text-align: center; background: radial-gradient(circle at 50% 45%, var(--color-final-glow), transparent 44%), var(--color-paper-deep); border-top: 1px solid var(--color-rule); }
.final-cta h2 { max-width: 16ch; margin-top: var(--space-4); }
.final-cta p:not(.eyebrow) { max-width: 44ch; margin-top: var(--space-4); }
.final-cta .hero-actions { justify-content: center; }
.final-cta small { display: block; margin-top: var(--space-6); color: var(--color-ink-muted); }

.site-footer { padding-block: var(--space-16) var(--space-6); background: var(--color-paper-deep); border-top: 1px solid var(--color-rule); }
.footer-grid { display: grid; grid-template-columns: 1.2fr 0.8fr 1fr; gap: var(--space-12); }
.footer-brand { display: flex; align-items: center; gap: var(--space-3); }
.footer-brand img { width: 42px; height: 42px; border: 1px solid var(--color-accent); border-radius: var(--radius-sm); object-fit: cover; }
.footer-brand h2 { font-size: 1.35rem; }
.footer-copy { max-width: 32ch; margin-top: var(--space-4); }
.footer-disclaimer { margin-top: var(--space-5); color: var(--color-ink-muted); font-size: var(--text-xs); }
.footer-col h3 { margin-bottom: var(--space-4); font: 600 var(--text-xs)/1.2 var(--font-mono); letter-spacing: 0.1em; text-transform: uppercase; color: var(--color-accent); }
.footer-links { display: grid; gap: var(--space-2); }
.footer-links a { color: var(--color-ink-muted); font-size: var(--text-sm); }
.footer-links a:hover { color: var(--color-accent); transform: translateX(3px); }
.footer-bottom { display: flex; justify-content: space-between; gap: var(--space-4); width: min(1180px, calc(100% - 2rem)); margin: var(--space-12) auto 0; padding-top: var(--space-4); border-top: 1px solid var(--color-rule); color: var(--color-ink-muted); font: 0.7rem var(--font-mono); }

.page-main { padding-top: 9rem; }
.page-hero { padding-block: var(--space-20) var(--space-12); border-bottom: 1px solid var(--color-rule); }
.page-hero h1 { max-width: 13ch; margin-top: var(--space-4); font-size: clamp(3rem, 8vw, 6rem); }
.page-hero p { max-width: 62ch; margin-top: var(--space-5); }
.page-hero .eyebrow { margin-top: var(--space-4); }
.tabs { display: flex; flex-wrap: wrap; gap: var(--space-2); margin-bottom: var(--space-8); }
.tab { min-height: 42px; padding: 0.55rem 0.9rem; border: 1px solid var(--color-rule); background: transparent; color: var(--color-ink-muted); border-radius: var(--radius-sm); cursor: pointer; }
.tab:hover, .tab[aria-selected="true"] { color: var(--color-paper-deep); background: var(--color-accent); border-color: var(--color-accent); }
.gallery-page-grid .gallery-tile:first-child { grid-column: auto; grid-row: auto; }
.gallery-page-grid .gallery-tile.is-hidden { display: none; }
.gallery-empty { display: none; padding: var(--space-8); color: var(--color-ink-muted); border: 1px dashed var(--color-rule); }
.gallery-empty.is-visible { display: block; }

.lightbox { position: fixed; inset: 0; z-index: 50; display: none; place-items: center; width: 100%; height: 100%; padding: 4rem 5rem; border: 0; background: var(--color-lightbox); }
.lightbox[open] { display: grid; }
.lightbox::backdrop { background: var(--color-lightbox); }
.lightbox img { width: min(100%, 1080px); height: min(80vh, 740px); object-fit: contain; }
.lightbox button { position: absolute; z-index: 2; min-width: 44px; min-height: 44px; border: 1px solid var(--color-rule); background: var(--color-paper-soft); color: var(--color-ink); border-radius: var(--radius-sm); cursor: pointer; }
.lightbox button:hover { background: var(--color-accent); color: var(--color-paper-deep); }
.lightbox-close { top: var(--space-6); right: var(--space-6); padding-inline: var(--space-4); }
.lightbox-prev { left: var(--space-6); top: 50%; transform: translateY(-50%); }
.lightbox-next { right: var(--space-6); top: 50%; transform: translateY(-50%); }

.guide-layout { display: grid; grid-template-columns: 230px minmax(0, 1fr); gap: var(--space-12); align-items: start; }
.guide-toc { position: sticky; top: 7rem; display: grid; gap: var(--space-2); padding-right: var(--space-6); border-right: 1px solid var(--color-rule); }
.guide-toc a { padding: 0.6rem 0; color: var(--color-ink-muted); font-size: var(--text-sm); }
.guide-toc a:hover, .guide-toc a[aria-current="true"] { color: var(--color-accent); }
.guide-cards { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-3); margin-bottom: var(--space-16); }
.guide-card { min-height: 210px; display: flex; flex-direction: column; padding: var(--space-6); border: 1px solid var(--color-rule); background: var(--color-paper-soft); }
.guide-card:hover { transform: translateY(-4px); border-color: var(--color-accent); }
.guide-card .card-kicker { color: var(--color-accent); font: 0.72rem var(--font-mono); }
.guide-card h2 { margin-top: var(--space-8); font-size: 1.75rem; }
.guide-card p { margin-top: var(--space-3); }
.guide-card strong { margin-top: auto; padding-top: var(--space-5); color: var(--color-accent); font-size: var(--text-sm); }
.guide-article + .guide-article { margin-top: var(--space-16); }
.guide-article h2 { margin-top: var(--space-3); }
.guide-article > p, .guide-article > ul, .guide-article > ol { max-width: 70ch; margin-top: var(--space-5); }
.guide-article li + li { margin-top: var(--space-2); }
.guide-table { width: 100%; margin-top: var(--space-6); border-collapse: collapse; font-size: var(--text-sm); }
.guide-table th, .guide-table td { padding: var(--space-3); text-align: left; vertical-align: top; border-top: 1px solid var(--color-rule); }
.guide-table th { color: var(--color-accent); font: 0.72rem var(--font-mono); letter-spacing: 0.08em; text-transform: uppercase; }
.article-cluster { margin-top: var(--space-20); padding-top: var(--space-8); border-top: 1px solid var(--color-rule); }
.article-links { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-2) var(--space-8); margin-top: var(--space-6); }
.article-links a { color: var(--color-ink-muted); border-bottom: 1px solid var(--color-rule); padding-block: 0.5rem; }
.article-links a:hover { color: var(--color-accent); border-color: var(--color-accent); }

.platform-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-3); }
.platform-card { min-height: 300px; padding: var(--space-8); border: 1px solid var(--color-rule); background: var(--color-paper-soft); }
.platform-card.recommended { border-color: var(--color-accent); }
.platform-card h2 { margin-top: var(--space-3); }
.platform-card p { max-width: 42ch; margin-top: var(--space-5); }
.platform-card .button { margin-top: var(--space-8); }
.platform-badge { display: inline-block; padding: 0.35rem 0.55rem; color: var(--color-paper-deep); background: var(--color-accent); font: 0.7rem var(--font-mono); letter-spacing: 0.08em; }
.steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-3); margin-top: var(--space-8); }
.step-card { min-height: 200px; padding: var(--space-6); border-top: 2px solid var(--color-accent); background: var(--color-paper-soft); }
.step-card b { color: var(--color-accent); font: 1.5rem var(--font-mono); }
.step-card h3 { margin-top: var(--space-8); }
.step-card p { margin-top: var(--space-3); }
.requirement-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1px; margin-top: var(--space-8); background: var(--color-rule); border: 1px solid var(--color-rule); }
.requirement-card { min-height: 190px; padding: var(--space-6); background: var(--color-paper-deep); }
.requirement-card h3 { color: var(--color-accent); }
.requirement-card p { margin-top: var(--space-4); }
.download-note { margin-top: var(--space-8); padding: var(--space-5); border-left: 2px solid var(--color-warm); background: var(--color-note-bg); }
.download-note p { color: var(--color-ink); }

.article-body { max-width: 860px; padding-bottom: var(--space-24); }
.article-body h1 { max-width: 14ch; margin-top: var(--space-4); font-size: clamp(2.6rem, 7vw, 5.8rem); }
.article-answer { margin-top: var(--space-8); padding: var(--space-6); color: var(--color-ink); border-left: 2px solid var(--color-accent); background: var(--color-paper-soft); font-size: 1.1rem; }
.article-body section { margin-top: var(--space-16); }
.article-body h2 { margin-bottom: var(--space-5); }
.article-body p { max-width: 72ch; }
.article-body p + p { margin-top: var(--space-4); }
.article-body ol, .article-body ul { max-width: 72ch; margin: var(--space-5) 0 0; padding-left: 1.25rem; }
.article-body li + li { margin-top: var(--space-2); }
.article-body .guide-table { margin-top: var(--space-6); }

@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: minmax(0, 1fr) minmax(220px, 0.58fr); }
  .story-layout { gap: var(--space-8); }
}
@media (max-width: 768px) {
  .site-nav { inset: var(--space-3) var(--space-3) auto; width: calc(100% - 1.5rem); }
  .nav-links { display: none; position: absolute; inset: calc(100% + 0.5rem) 0 auto; flex-direction: column; align-items: stretch; gap: 0; padding: 0.4rem; border: 1px solid var(--color-rule); border-radius: var(--radius-md); background: var(--color-paper-deep); }
  .nav-links.is-open { display: flex; }
  .nav-links a { padding: 0.7rem 0.8rem; }
  .menu-toggle { display: inline-flex; align-items: center; justify-content: center; }
  .nav-download { margin-left: auto; }
  .hero { min-height: 760px; }
  .hero-inner, .story-layout, .guide-layout { grid-template-columns: 1fr; }
  .hero-metadata { max-width: 480px; }
  .info-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .info-item:nth-child(2) { border-right: 0; }
  .info-item:nth-child(-n + 2) { border-bottom: 1px solid var(--color-rule); }
  .section-head, .cta-band-inner { align-items: start; flex-direction: column; }
  .feature-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .fit-grid, .platform-grid, .steps, .requirement-grid { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .gallery-tile:first-child { grid-column: span 2; grid-row: auto; }
  .guide-toc { position: static; display: flex; flex-wrap: wrap; gap: 0 var(--space-5); padding-right: 0; border-right: 0; border-bottom: 1px solid var(--color-rule); }
  .guide-cards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid > :first-child { grid-column: span 2; }
}
@media (max-width: 640px) {
  .container { width: min(100% - 1.5rem, 1180px); }
  .site-nav { gap: var(--space-2); }
  .brand span { display: none; }
  .nav-download { padding-inline: 0.7rem; font-size: 0.75rem; }
  .hero { min-height: 700px; }
  .hero-inner { padding-top: 8.5rem; padding-bottom: var(--space-10); }
  .hero h1 { font-size: clamp(3.3rem, 18vw, 6rem); }
  .hero-metadata { grid-template-columns: 1fr 1fr; gap: var(--space-3); padding: var(--space-4); }
  .hero-metadata strong { font-size: 0.95rem; }
  .info-item { min-height: 112px; padding: var(--space-4); }
  .feature-grid, .gallery-grid, .guide-cards, .article-links { grid-template-columns: 1fr; }
  .gallery-tile:first-child { grid-column: auto; }
  .feature-card { min-height: 220px; }
  .timeline-item { grid-template-columns: 1fr; gap: var(--space-2); }
  .footer-grid { grid-template-columns: 1fr; gap: var(--space-8); }
  .footer-grid > :first-child { grid-column: auto; }
  .footer-bottom { flex-direction: column; }
  .lightbox { padding: 4rem 0.75rem; }
  .lightbox-prev { left: 0.75rem; }
  .lightbox-next { right: 0.75rem; }
  .lightbox-close { top: 0.75rem; right: 0.75rem; }
  .article-body h1, .page-hero h1 { font-size: clamp(2.8rem, 14vw, 4.8rem); }
  .guide-table { display: block; overflow-x: auto; white-space: nowrap; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 120ms !important; }
}