/* Hallmark · pre-emit critique: P5 H5 E5 S5 R5 V5
 * Hallmark · genre: atmospheric · macrostructure: Split Studio · theme: Midnight · enrichment: real-artwork · nav: N5 · footer: Ft5
 */
@import url("../../tokens.css");

* { box-sizing: border-box; }
html, body { min-width: 0; margin: 0; overflow-x: clip; scroll-behavior: smooth; }
body { background: var(--color-paper); color: var(--color-ink); font-family: var(--font-body); font-size: var(--text-base); line-height: 1.7; }
body::before { position: fixed; z-index: -2; inset: 0; background: var(--gradient-ambient); content: ""; pointer-events: none; }
body::after { position: fixed; z-index: -3; inset: 0; background: var(--color-paper); content: ""; pointer-events: none; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; height: auto; }
button, summary { font: inherit; }
button { color: inherit; }
h1, h2, h3, p, figure { min-width: 0; margin: 0; }
h1, h2, h3 { overflow-wrap: anywhere; font-family: var(--font-display); font-style: normal; font-weight: 700; letter-spacing: -0.04em; line-height: 1.08; }
h1 { font-size: var(--text-display); }
h2 { font-size: var(--text-xl); }
h3 { font-size: var(--text-lg); }
p { max-width: 68ch; color: var(--color-ink-soft); }
ol, ul { margin: 0; padding-inline-start: 1.25rem; }
.skip-link { position: fixed; z-index: 50; top: -3rem; left: 1rem; padding: 0.65rem 1rem; border-radius: var(--radius-sm); background: var(--color-accent); color: var(--color-accent-ink); font-weight: 700; }
.skip-link:focus { top: 1rem; }
.ambient { position: fixed; z-index: -1; width: 18rem; height: 18rem; border-radius: 50%; filter: blur(3rem); opacity: 0.34; pointer-events: none; }
.ambient-one { top: 12rem; left: -10rem; background: var(--color-bloom-one); }
.ambient-two { top: 52rem; right: -12rem; background: var(--color-bloom-two); }
.section { width: min(1200px, calc(100% - 2rem)); margin-inline: auto; padding-block: clamp(4.5rem, 10vw, 8rem); }
.eyebrow, .platform-label, .review-source, .feature-index, .review-mark, .timeline time, .hero-proof span { color: var(--color-accent-soft); font-family: var(--font-outlier); font-size: var(--text-xs); font-weight: 600; letter-spacing: 0.08em; line-height: 1.4; text-transform: uppercase; }
.eyebrow { margin-bottom: var(--space-3); }
.button { position: relative; display: inline-flex; align-items: center; justify-content: center; min-height: 2.875rem; padding-inline: 1.25rem; border: 1px solid transparent; border-radius: var(--radius-sm); cursor: pointer; font-size: var(--text-sm); font-weight: 800; line-height: 1; white-space: nowrap; transition: transform var(--dur-mid) var(--ease-out), box-shadow var(--dur-mid) var(--ease-out), background-color var(--dur-mid) var(--ease-out), border-color var(--dur-mid) var(--ease-out), color var(--dur-mid) var(--ease-out); }
.button:focus-visible, a:focus-visible, summary:focus-visible, button:focus-visible { outline: 2px solid var(--color-focus); outline-offset: 3px; }
.button:active { transform: translateY(1px); }
.button-primary { background: var(--color-accent); color: var(--color-accent-ink); }
.button-primary:hover { box-shadow: var(--shadow-accent); transform: translateY(-2px); }
.button-ghost { border-color: var(--color-line); color: var(--color-ink); }
.button-ghost:hover, .button-secondary:hover { border-color: var(--color-accent); color: var(--color-accent-soft); transform: translateY(-2px); }
.button-secondary { border-color: var(--color-line); color: var(--color-ink); }
.button-small { min-height: 2.5rem; padding-inline: 1rem; font-size: var(--text-xs); }
.button-large { min-height: 4rem; padding-inline: 2rem; font-size: var(--text-md); }
.button-shine { overflow: clip; }
.button-shine::after { position: absolute; inset: 0; background: linear-gradient(105deg, transparent 35%, var(--color-button-sheen) 49%, transparent 63%); content: ""; transform: translateX(-135%); animation: button-sheen 3.8s var(--ease-in-out) infinite; pointer-events: none; }
@keyframes button-sheen { 48%, 100% { transform: translateX(135%); } }
.button-row { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-3); }

.site-nav { position: fixed; z-index: 30; top: 1rem; left: 50%; display: flex; align-items: center; gap: var(--space-3); width: min(1200px, calc(100% - 2rem)); min-height: 4.25rem; padding: 0.75rem 0.75rem 0.75rem 1rem; border: 1px solid var(--color-line); border-radius: var(--radius-pill); background: var(--color-paper-2); box-shadow: var(--shadow-card); transform: translateX(-50%); }
.brand { display: flex; min-width: 0; align-items: center; gap: 0.75rem; }
.brand img { width: 9.5rem; height: auto; object-fit: contain; }
.brand span { overflow: hidden; max-width: 12rem; color: var(--color-ink-soft); font-size: var(--text-xs); text-overflow: ellipsis; white-space: nowrap; }
.nav-links { display: flex; align-items: center; gap: var(--space-4); margin-inline-start: auto; }
.nav-links a { position: relative; padding-block: 0.6rem; color: var(--color-muted-strong); font-size: var(--text-sm); white-space: nowrap; }
.nav-links a::after { position: absolute; right: 0; bottom: 0.2rem; left: 0; height: 1px; background: var(--color-accent); content: ""; transform: scaleX(0); transform-origin: right; transition: transform var(--dur-mid) var(--ease-out); }
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--color-ink); }
.nav-links a:hover::after, .nav-links a[aria-current="page"]::after { transform: scaleX(1); transform-origin: left; }
.nav-cta { margin-inline-start: var(--space-2); }
.menu-toggle { display: none; min-height: 2.5rem; padding-inline: 0.8rem; border: 1px solid var(--color-line); border-radius: var(--radius-sm); background: transparent; cursor: pointer; font-size: var(--text-xs); white-space: nowrap; }

.hero { position: relative; display: flex; min-height: min(54rem, 100svh); align-items: center; padding-top: 7.5rem; padding-bottom: 2rem; isolation: isolate; }
.hero-image, .hero-scrim { position: absolute; z-index: -1; inset: 0; width: 100%; height: 100%; }
.hero-image { object-fit: cover; object-position: center; }
.hero-scrim { background: var(--gradient-hero); }
.hero-inner { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(15rem, 0.8fr); align-items: end; gap: 3rem; padding-block: 0; }
.hero-copy { max-width: 48rem; }
.hero h1 { max-width: 11ch; margin-bottom: var(--space-4); color: var(--color-ink); font-size: clamp(3.2rem, 7vw, 6.5rem); line-height: 0.98; text-shadow: var(--shadow-text); }
.hero h1 span { display: block; margin-top: var(--space-3); color: var(--color-accent-soft); font-family: var(--font-body); font-size: clamp(1rem, 2vw, 1.25rem); font-weight: 500; letter-spacing: 0.06em; line-height: 1.3; }
.hero-lede { max-width: 39rem; color: var(--color-ink); font-size: clamp(1.05rem, 2vw, 1.3rem); }
.stat-row { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1px; margin-block: 2rem; border: 1px solid var(--color-line); background: var(--color-line); }
.stat { min-width: 0; padding: 1rem; background: var(--color-paper-2); }
.stat strong, .stat span { display: block; overflow-wrap: anywhere; }
.stat strong { color: var(--color-ink); font-size: var(--text-sm); line-height: 1.25; }
.stat span { margin-top: 0.35rem; color: var(--color-muted-strong); font-size: var(--text-xs); }
.hero-proof { justify-self: end; width: min(100%, 21rem); padding: 1.5rem; border: 1px solid var(--color-line); border-radius: var(--radius-md); background: var(--color-paper-2); box-shadow: var(--shadow-card); }
.hero-proof img { width: 100%; height: auto; }
.hero-proof p { margin-top: 1rem; color: var(--color-ink-soft); font-family: var(--font-display); font-size: var(--text-lg); line-height: 1.3; }
.hero-proof span { display: block; margin-top: 1.25rem; color: var(--color-muted); }

.info-rail { border-block: 1px solid var(--color-line); background: var(--color-paper-2); }
.info-grid { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 1px; padding-block: 0; background: var(--color-line); }
.info-cell { min-width: 0; min-height: 6.5rem; padding: 1.35rem 1rem; background: var(--color-paper-2); }
.info-cell span, .info-cell strong { display: block; overflow-wrap: anywhere; }
.info-cell span { color: var(--color-muted); font-size: var(--text-xs); }
.info-cell strong { margin-top: 0.45rem; color: var(--color-ink); font-size: var(--text-sm); line-height: 1.35; }

.split-section { display: grid; grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr); gap: clamp(2rem, 8vw, 8rem); align-items: center; }
.split-copy { max-width: 34rem; }
.split-copy h2 { margin-bottom: var(--space-5); }
.split-copy p + p { margin-top: var(--space-3); }
.text-link { display: inline-flex; align-items: center; gap: 0.5rem; margin-top: var(--space-5); padding-bottom: 0.25rem; border-bottom: 1px solid var(--color-accent); color: var(--color-accent-soft); font-weight: 800; white-space: nowrap; }
.text-link span { transition: transform var(--dur-mid) var(--ease-out); }
.text-link:hover span { transform: translateX(0.25rem); }
.story-art { padding: 0.75rem; border: 1px solid var(--color-line); border-radius: var(--radius-md); background: var(--color-paper-2); box-shadow: var(--shadow-card); }
.story-art img { width: 100%; aspect-ratio: 16 / 9; border-radius: var(--radius-sm); object-fit: cover; }
.story-art figcaption { padding: 1rem 0.25rem 0.25rem; color: var(--color-muted-strong); font-size: var(--text-sm); }

.section-raised { width: 100%; padding-inline: max(1rem, calc((100% - 1200px) / 2)); background: var(--color-paper-2); }
.section-heading { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 0.72fr); gap: 3rem; align-items: end; }
.section-heading > p { justify-self: end; }
.section-heading h2 { max-width: 18ch; }
.feature-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1px; margin-top: 3.5rem; border: 1px solid var(--color-line); background: var(--color-line); }
.feature-card { min-height: 15rem; padding: 1.5rem; background: var(--color-paper-2); transition: transform var(--dur-mid) var(--ease-out), box-shadow var(--dur-mid) var(--ease-out), background-color var(--dur-mid) var(--ease-out); }
.feature-card:hover { position: relative; z-index: 1; background: var(--color-paper-3); box-shadow: var(--shadow-card); transform: translateY(-0.25rem); }
.feature-index, .review-mark { display: inline-flex; align-items: center; justify-content: center; width: 2rem; height: 2rem; border: 1px solid var(--color-line); border-radius: 50%; color: var(--color-accent-soft); }
.feature-card h3 { margin-top: 3rem; }
.feature-card p { margin-top: 0.8rem; color: var(--color-muted-strong); font-size: var(--text-sm); }

.gallery-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0.75rem; margin-top: 3rem; }
.gallery-grid-large { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.gallery-tile { min-width: 0; padding: 0; overflow: clip; border: 1px solid var(--color-line); border-radius: var(--radius-sm); background: var(--color-paper-2); cursor: zoom-in; }
.gallery-tile img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; transition: transform var(--dur-slow) var(--ease-out), filter var(--dur-slow) var(--ease-out); }
.gallery-tile:hover img, .gallery-tile:focus-visible img { filter: saturate(1.08) contrast(1.04); transform: scale(1.04); }
.page-note { margin-top: var(--space-3); color: var(--color-muted); font-size: var(--text-sm); }

.download-band { width: 100%; border-block: 1px solid var(--color-line); background: var(--color-paper-3); }
.download-band-inner { display: flex; align-items: center; justify-content: space-between; gap: 2rem; padding-block: clamp(4rem, 8vw, 6rem); }
.download-band h2 { max-width: 16ch; }
.download-band p:not(.eyebrow) { margin-top: 1rem; }

.timeline { margin-top: 3rem; border-top: 1px solid var(--color-line); }
.timeline article { display: grid; grid-template-columns: 10rem minmax(0, 1fr); gap: 2rem; padding-block: 1.75rem; border-bottom: 1px solid var(--color-line); }
.timeline h3 { font-size: var(--text-lg); }
.timeline p { margin-top: 0.5rem; font-size: var(--text-sm); }
.review-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1px; margin-top: 3rem; border: 1px solid var(--color-line); background: var(--color-line); }
.review-card { min-height: 15rem; padding: 1.5rem; background: var(--color-paper-2); transition: transform var(--dur-mid) var(--ease-out), box-shadow var(--dur-mid) var(--ease-out); }
.review-card:hover { position: relative; z-index: 1; box-shadow: var(--shadow-card); transform: translateY(-0.25rem); }
.review-card h3 { margin-top: 2.5rem; }
.review-card p { margin-top: 0.75rem; font-size: var(--text-sm); }
.review-source { display: block; margin-top: 2rem; color: var(--color-muted); text-transform: none; }

.faq-list { margin-top: 2.5rem; border-top: 1px solid var(--color-line); }
.faq-item { border-bottom: 1px solid var(--color-line); }
.faq-item summary { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 4.25rem; cursor: pointer; list-style: none; font-weight: 700; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary b { display: inline-grid; flex: 0 0 auto; width: 2rem; height: 2rem; place-items: center; border: 1px solid var(--color-line); border-radius: 50%; color: var(--color-accent-soft); font-family: var(--font-outlier); font-size: var(--text-md); font-weight: 400; transition: transform var(--dur-mid) var(--ease-out); }
.faq-item[open] summary b { transform: rotate(45deg); }
.faq-answer { max-width: 68ch; padding: 0 3rem 1.5rem 0; color: var(--color-muted-strong); font-size: var(--text-sm); }

.article-cluster { padding-block-start: 2rem; }
.article-index { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); margin-top: 2.5rem; border-top: 1px solid var(--color-line); }
.article-index a { display: flex; align-items: baseline; gap: 1rem; min-width: 0; padding: 1rem 0; border-bottom: 1px solid var(--color-line); color: var(--color-ink-soft); font-size: var(--text-sm); }
.article-index a:hover { color: var(--color-accent-soft); }
.article-index span { flex: 0 0 auto; color: var(--color-accent-soft); font-family: var(--font-outlier); font-size: var(--text-xs); }
.final-cta { width: 100%; background: var(--color-paper-2); text-align: center; }
.final-cta .section { display: flex; flex-direction: column; align-items: center; }
.final-cta h2 { max-width: 17ch; }
.final-cta p:not(.eyebrow) { margin-top: 1rem; }
.final-cta .button-row { justify-content: center; margin-top: 2rem; }

.site-footer { border-top: 1px solid var(--color-line); background: var(--color-paper); }
.footer-grid { display: grid; grid-template-columns: 1.4fr 0.7fr 1fr; gap: 4rem; padding-block-end: 3rem; }
.footer-brand img { width: 11rem; height: auto; }
.footer-brand p { margin-top: 1rem; font-size: var(--text-sm); }
.footer-note { color: var(--color-muted); font-size: var(--text-xs) !important; }
.footer-grid h2 { margin-bottom: 1rem; font-family: var(--font-outlier); font-size: var(--text-xs); letter-spacing: 0.08em; text-transform: uppercase; }
.footer-links { display: grid; gap: 0.5rem; }
.footer-links a { width: fit-content; color: var(--color-muted-strong); font-size: var(--text-sm); }
.footer-links a:hover { color: var(--color-accent-soft); }
.footer-bottom { display: flex; justify-content: space-between; gap: 1rem; width: min(1200px, calc(100% - 2rem)); margin-inline: auto; padding: 1rem 0 1.5rem; border-top: 1px solid var(--color-line); color: var(--color-muted); font-size: var(--text-xs); }
.sticky-download { position: fixed; z-index: 20; right: 1rem; bottom: 1rem; box-shadow: var(--shadow-accent); }

.page-main { padding-top: 6rem; }
.page-intro { padding-block: 7rem 4rem; }
.page-intro h1 { max-width: 10ch; }
.page-intro h1 span { display: block; margin-top: 0.8rem; color: var(--color-accent-soft); font-family: var(--font-body); font-size: clamp(1.4rem, 3vw, 2rem); font-weight: 500; letter-spacing: 0; line-height: 1.25; }
.page-intro > p:last-child { margin-top: 1.5rem; font-size: var(--text-md); }
.tabs { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 2rem; }
.tab { min-height: 2.75rem; padding-inline: 1rem; border: 1px solid var(--color-line); border-radius: var(--radius-pill); background: transparent; cursor: pointer; font-size: var(--text-sm); white-space: nowrap; }
.tab:hover, .tab.is-active { border-color: var(--color-accent); background: var(--color-accent); color: var(--color-accent-ink); }
.tab[aria-selected="false"] { color: var(--color-muted-strong); }
.tab[aria-selected="true"] { color: var(--color-accent-ink); }
.platform-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1px; border: 1px solid var(--color-line); background: var(--color-line); }
.platform-card { min-height: 20rem; padding: 2rem; background: var(--color-paper-2); }
.platform-card:nth-child(2) { background: var(--color-paper-3); }
.platform-card h2 { margin-block: 1.5rem 0.75rem; }
.platform-card p { min-height: 4.5rem; font-size: var(--text-sm); }
.platform-card .button { margin-top: 1.5rem; }
.step-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1px; margin-top: 3.5rem; border: 1px solid var(--color-line); background: var(--color-line); }
.step-card { min-height: 14rem; padding: 1.5rem; background: var(--color-paper-2); }
.step-card > span { color: var(--color-accent-soft); font-family: var(--font-outlier); font-size: var(--text-md); }
.step-card h3 { margin-top: 2.5rem; }
.step-card p { margin-top: 0.5rem; font-size: var(--text-sm); }
.requirements { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1px; margin-top: 3rem; border: 1px solid var(--color-line); background: var(--color-line); }
.requirement { min-height: 13rem; padding: 1.5rem; background: var(--color-paper-2); }
.requirement:nth-child(2) { background: var(--color-paper-3); }
.requirement > span { color: var(--color-accent-soft); font-family: var(--font-outlier); font-size: var(--text-xs); letter-spacing: 0.08em; }
.requirement h3 { margin-top: 2rem; }
.requirement p { margin-top: 0.5rem; font-size: var(--text-sm); }
.guide-layout { display: grid; grid-template-columns: 12rem minmax(0, 1fr); gap: 3rem; align-items: start; }
.guide-toc { position: sticky; top: 6.5rem; display: grid; gap: 0.5rem; padding-block: 0.5rem; }
.guide-toc a { padding: 0.65rem 0.75rem; border-left: 1px solid var(--color-line); color: var(--color-muted-strong); font-size: var(--text-sm); }
.guide-toc a:hover { border-color: var(--color-accent); color: var(--color-accent-soft); }
.guide-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1px; border: 1px solid var(--color-line); background: var(--color-line); }
.guide-card { min-height: 15rem; padding: 1.5rem; background: var(--color-paper-2); transition: transform var(--dur-mid) var(--ease-out), box-shadow var(--dur-mid) var(--ease-out); }
.guide-card:nth-child(2n) { background: var(--color-paper-3); }
.guide-card:hover { position: relative; z-index: 1; box-shadow: var(--shadow-card); transform: translateY(-0.25rem); }
.guide-card > span { color: var(--color-accent-soft); font-family: var(--font-outlier); font-size: var(--text-md); }
.guide-card h2 { margin-top: 2.5rem; font-size: clamp(1.65rem, 3vw, 2.5rem); }
.guide-card p { margin-top: 0.5rem; font-size: var(--text-sm); }
.guide-card strong { display: inline-flex; gap: 0.5rem; margin-top: 1.25rem; color: var(--color-accent-soft); font-size: var(--text-sm); }
.guide-article { max-width: 48rem; padding-block: 5rem; border-bottom: 1px solid var(--color-line); scroll-margin-top: 7rem; }
.guide-article h2 { margin-block: 1rem 1.25rem; }
.guide-article p { margin-top: 0.8rem; }
.guide-article ol, .guide-article ul { margin-top: 1rem; color: var(--color-ink-soft); }
.guide-article li + li { margin-top: 0.5rem; }
.guide-table { width: 100%; margin-top: 1.5rem; border-collapse: collapse; table-layout: fixed; }
.guide-table th, .guide-table td { padding: 0.8rem 0.65rem; border-bottom: 1px solid var(--color-line); overflow-wrap: anywhere; text-align: left; vertical-align: top; }
.guide-table th { width: 35%; color: var(--color-accent-soft); font-size: var(--text-sm); font-weight: 700; }
.guide-table td { color: var(--color-ink-soft); font-size: var(--text-sm); }
.article-cluster .article-links { margin-top: 1.5rem; }
.article-links { display: grid; gap: 0.5rem; }
.article-links a { padding-block: 0.65rem; border-bottom: 1px solid var(--color-line); color: var(--color-ink-soft); font-size: var(--text-sm); }
.article-links a:hover { color: var(--color-accent-soft); }
.article-links-dense { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 1.5rem; }
.article-links-dense a { min-width: 0; }
.article-hero { padding-block: 7rem 3rem; }
.article-hero h1 { max-width: 22ch; font-size: clamp(2.6rem, 6vw, 5.5rem); }
.article-hero > p:last-child { margin-top: 1.5rem; max-width: 60ch; font-size: var(--text-md); }
.article-body { max-width: 50rem; padding-block-start: 3rem; }
.article-answer { padding: 1.25rem; border-left: 3px solid var(--color-accent); background: var(--color-paper-2); color: var(--color-ink); font-size: var(--text-md); }
.article-body h2 { margin-top: 3rem; font-size: clamp(1.75rem, 4vw, 2.75rem); }
.article-body ol { margin-top: 1rem; color: var(--color-ink-soft); }
.article-body li + li { margin-top: 0.5rem; }
.article-body .guide-table { margin-top: 1.5rem; }
.article-more { margin-top: 4rem; padding-top: 2rem; border-top: 1px solid var(--color-line); }

.lightbox { position: fixed; width: min(72rem, calc(100% - 2rem)); max-width: 100%; padding: 0.75rem; border: 1px solid var(--color-line); border-radius: var(--radius-md); background: var(--color-paper-2); color: var(--color-ink); }
.lightbox::backdrop { background: var(--color-backdrop); }
.lightbox img { width: 100%; max-height: 78svh; border-radius: var(--radius-sm); object-fit: contain; }
.lightbox button { position: absolute; z-index: 1; min-height: 2.75rem; padding-inline: 0.8rem; border: 1px solid var(--color-line); border-radius: var(--radius-sm); background: var(--color-paper-3); cursor: pointer; font-size: var(--text-sm); white-space: nowrap; }
.lightbox-close { top: 1.25rem; right: 1.25rem; }
.lightbox-prev { top: 50%; left: 1.25rem; transform: translateY(-50%); }
.lightbox-next { top: 50%; right: 1.25rem; transform: translateY(-50%); }
.lightbox button:hover { border-color: var(--color-accent); color: var(--color-accent-soft); }

.reveal { opacity: 0; transform: translateY(0.6rem); transition: opacity var(--dur-slow) var(--ease-out), transform var(--dur-slow) var(--ease-out); }
.reveal.is-visible { opacity: 1; transform: none; }

@media (min-width: 40rem) {
  .section { width: min(1200px, calc(100% - 3rem)); }
  .footer-bottom { width: min(1200px, calc(100% - 3rem)); }
  .site-nav { width: min(1200px, calc(100% - 3rem)); }
}

@media (max-width: 64rem) {
  .nav-links { gap: 0.75rem; }
  .brand span { display: none; }
  .info-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .feature-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .gallery-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .section-heading { grid-template-columns: minmax(0, 1fr); gap: 1rem; }
  .section-heading > p { justify-self: start; }
}

@media (max-width: 48rem) {
  .nav-links { position: absolute; top: calc(100% + 0.6rem); right: 0; left: 0; display: none; flex-direction: column; align-items: stretch; gap: 0; padding: 0.5rem; border: 1px solid var(--color-line); border-radius: var(--radius-md); background: var(--color-paper-2); box-shadow: var(--shadow-card); }
  .nav-links.is-open { display: flex; }
  .nav-links a { padding: 0.85rem; }
  .nav-cta { margin-inline-start: auto; }
  .menu-toggle { display: block; }
  .hero { min-height: auto; padding-top: 9rem; }
  .hero-inner { grid-template-columns: minmax(0, 1fr); gap: 2rem; }
  .hero-proof { justify-self: start; }
  .stat-row { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .info-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .split-section, .guide-layout { grid-template-columns: minmax(0, 1fr); gap: 2.5rem; }
  .guide-toc { position: static; display: flex; flex-wrap: wrap; gap: 0.5rem; }
  .guide-toc a { border: 1px solid var(--color-line); border-radius: var(--radius-pill); }
  .download-band-inner { align-items: flex-start; flex-direction: column; }
  .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 2.5rem 1.5rem; }
  .footer-brand { grid-column: 1 / -1; }
  .article-links-dense { grid-template-columns: minmax(0, 1fr); }
}

@media (max-width: 40rem) {
  .site-nav { top: 0.75rem; width: calc(100% - 1rem); min-height: 3.75rem; padding-left: 0.75rem; }
  .brand img { width: 7.8rem; }
  .nav-cta { min-height: 2.4rem; padding-inline: 0.7rem; }
  .hero { padding-top: 7.75rem; padding-bottom: 2.5rem; }
  .hero h1 { font-size: clamp(3rem, 16vw, 4.8rem); }
  .hero-lede { font-size: 1rem; }
  .hero-proof { width: 100%; }
  .info-grid, .feature-grid, .gallery-grid, .gallery-grid-large, .platform-grid, .step-grid, .requirements, .guide-grid, .review-grid, .article-index { grid-template-columns: minmax(0, 1fr); }
  .info-cell { min-height: auto; }
  .feature-card, .review-card { min-height: auto; }
  .timeline article { grid-template-columns: minmax(0, 1fr); gap: 0.5rem; }
  .footer-grid { grid-template-columns: minmax(0, 1fr); }
  .footer-brand { grid-column: auto; }
  .footer-bottom { align-items: flex-start; flex-direction: column; }
  .sticky-download { right: 0.75rem; bottom: 0.75rem; }
  .lightbox-prev, .lightbox-next { top: auto; bottom: 1.25rem; transform: none; }
  .lightbox-prev { left: 1.25rem; }
  .lightbox-next { right: 1.25rem; }
  .lightbox-close { top: 1.25rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
  .reveal { opacity: 1; transform: none; }
}