/* Hallmark · pre-emit critique: P5 H5 E4 S5 R4 V5
 * Hallmark · genre: editorial · macrostructure: Long Document · theme: Garden
 * enrichment: Tier C source-backed photography · nav: N5 adapted floating rail · footer: Ft1 mast-headed
 * slop: pass (42–45) · honest: pass (46) · chrome: pass (47) · tokens: pass (48)
 * responsive: pass (49, 50–57) · mobile: pass (320 / 375 / 414 / 768)
 */

:root {
  --color-ink: #211d19;
  --color-ink-soft: #4f4941;
  --color-paper: #f4eee5;
  --color-paper-deep: #e7ddce;
  --color-paper-light: #fbf8f2;
  --color-night: #151615;
  --color-night-soft: #242522;
  --color-accent: #a64b3d;
  --color-accent-deep: #7c302c;
  --color-accent-soft: #d59b7e;
  --color-line: rgba(33, 29, 25, 0.18);
  --color-line-light: rgba(244, 238, 229, 0.32);
  --color-night-glass: rgba(21, 22, 21, 0.92);
  --color-night-overlay: rgba(21, 22, 21, 0.78);
  --color-night-strong: rgba(21, 22, 21, 0.96);
  --color-night-mid: rgba(21, 22, 21, 0.62);
  --color-night-fade: rgba(21, 22, 21, 0.24);
  --color-night-bottom: rgba(21, 22, 21, 0.82);
  --color-accent-overlay: rgba(166, 75, 61, 0.4);
  --color-accent-wash: rgba(166, 75, 61, 0.2);
  --color-light: #f7f1e8;
  --color-muted: #766e64;
  --color-focus: #d59b7e;
  --shadow-soft: 0 18px 42px rgba(33, 29, 25, 0.1);
  --shadow-card: 0 12px 28px rgba(33, 29, 25, 0.11);
  --font-display: "Noto Serif SC", serif;
  --font-body: "Noto Sans SC", sans-serif;
  --font-mono: "DM Mono", monospace;
  --space-1: 0.4rem;
  --space-2: 0.75rem;
  --space-3: 1rem;
  --space-4: 1.5rem;
  --space-5: 2rem;
  --space-6: 3rem;
  --space-7: 5rem;
  --space-8: 7rem;
  --radius-sm: 2px;
  --radius-md: 5px;
  --max-width: 74rem;
  --z-nav: 300;
  --z-lightbox: 500;
}

* { box-sizing: border-box; }
html { overflow-x: clip; scroll-behavior: smooth; }
body { margin: 0; overflow-x: clip; background: var(--color-paper); color: var(--color-ink); font-family: var(--font-body); line-height: 1.7; }
body.has-lightbox { overflow: clip; }
img { display: block; max-width: 100%; }
a { color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; }
h1, h2, h3, p { margin-block: 0; }
h1, h2, h3 { font-family: var(--font-display); font-style: normal; font-weight: 600; line-height: 1.12; overflow-wrap: anywhere; min-width: 0; }
p { color: var(--color-ink-soft); }
ul, ol { margin: 0; padding: 0; }

.site-shell { width: min(var(--max-width), calc(100% - 2rem)); margin-inline: auto; }
.eyebrow { color: var(--color-accent); font: 500 0.74rem/1.2 var(--font-mono); letter-spacing: 0.12em; text-transform: uppercase; }
.eyebrow--light { color: var(--color-accent-soft); }
.section { padding-block: var(--space-8); }
.section--paper { background: var(--color-paper-deep); }
.section--reading { background: var(--color-paper-light); }
.section-head { display: block; margin-block-end: var(--space-6); max-width: 44rem; }
.section-head h2 { margin-block-start: 0.6rem; font-size: clamp(2rem, 4vw, 4.3rem); letter-spacing: -0.055em; }
.section-head__lede { margin-block-start: 1.15rem; max-width: 42rem; font-size: 1.02rem; }
.section-head--wide { max-width: 56rem; }
.section-link { margin-block-start: var(--space-4); }
.text-link { display: inline-flex; gap: 0.75rem; color: var(--color-accent-deep); font-weight: 700; text-decoration: none; white-space: nowrap; }
.text-link span { transition: transform 180ms ease; }
.text-link:hover span { transform: translateX(0.25rem); }

.nav-float { position: fixed; z-index: var(--z-nav); top: 0.9rem; left: 50%; display: flex; width: min(72rem, calc(100% - 1.2rem)); min-height: 3.3rem; align-items: center; gap: 0.8rem; transform: translateX(-50%); border: 1px solid var(--color-line-light); border-radius: var(--radius-md); background: var(--color-night-glass); box-shadow: var(--shadow-soft); color: var(--color-light); }
.nav-float__brand { display: inline-flex; min-width: 0; align-items: center; gap: 0.5rem; padding: 0.35rem 0.8rem; text-decoration: none; white-space: nowrap; }
.nav-float__brand img { width: 2.75rem; height: 1.8rem; border-radius: var(--radius-sm); object-fit: cover; object-position: center; }
.nav-float__brand span { font-weight: 700; }
.nav-float__links { display: flex; min-width: 0; flex: 1; justify-content: center; gap: 1.2rem; list-style: none; }
.nav-float__links a { color: var(--color-light); font-size: 0.86rem; text-decoration: none; white-space: nowrap; }
.nav-float__links a:hover, .nav-float__links a[aria-current="page"] { color: var(--color-accent-soft); }
.nav-float__cta { margin-inline-end: 0.35rem; }
.menu-toggle { display: none; border: 0; background: transparent; color: var(--color-light); cursor: pointer; white-space: nowrap; }

.button { display: inline-flex; min-height: 3rem; align-items: center; justify-content: center; gap: 0.65rem; border: 1px solid var(--color-ink); border-radius: var(--radius-sm); padding: 0.75rem 1.05rem; color: var(--color-ink); font-weight: 700; line-height: 1; text-decoration: none; white-space: nowrap; transition: background-color 180ms ease, color 180ms ease, border-color 180ms ease, transform 180ms ease, box-shadow 180ms ease; }
.button:hover { transform: translateY(-2px); box-shadow: var(--shadow-card); }
.button:focus-visible, .filter-tabs button:focus-visible, .lightbox button:focus-visible, summary:focus-visible { outline: 2px solid var(--color-focus); outline-offset: 3px; }
.button:active { transform: translateY(0); }
.button--accent { position: relative; overflow: clip; border-color: var(--color-accent); background: var(--color-accent); color: var(--color-light); }
.button--accent::after { position: absolute; inset-block: 0; left: -45%; width: 32%; background: var(--color-accent-soft); content: ""; opacity: 0.55; transform: skewX(-22deg); animation: button-sheen 3.6s ease-in-out infinite; }
.button--line-light { border-color: var(--color-line-light); color: var(--color-light); }
.button--line-light:hover { border-color: var(--color-accent-soft); background: var(--color-accent-wash); }
.button--large { min-height: 3.8rem; padding-inline: 1.45rem; font-size: 1.04rem; }
.button--wide { min-width: 12rem; }
.nav-float .button { min-height: 2.5rem; padding-block: 0.55rem; font-size: 0.8rem; }

.hero { position: relative; display: flex; min-height: 92svh; align-items: flex-end; isolation: isolate; overflow: clip; background: var(--color-night); color: var(--color-light); }
.hero__art, .hero__veil { position: absolute; z-index: -2; inset: 0; width: 100%; height: 100%; }
.hero__art { object-fit: cover; object-position: center; filter: saturate(0.82) contrast(1.03); }
.hero__veil { z-index: -1; background: linear-gradient(90deg, var(--color-night-strong) 0%, var(--color-night-overlay) 42%, var(--color-night-fade) 100%), linear-gradient(0deg, var(--color-night-bottom), transparent 60%); }
.hero__content { padding-block: 10rem 6rem; }
.hero__tags { display: flex; flex-wrap: wrap; gap: 0.55rem; margin-block: 1.3rem 1.2rem; }
.hero__tags span { border-block: 1px solid var(--color-line-light); padding: 0.25rem 0.55rem; color: var(--color-light); font: 0.72rem/1.1 var(--font-mono); letter-spacing: 0.06em; white-space: nowrap; }
.hero h1 { max-width: 10ch; color: var(--color-light); font-size: clamp(3.1rem, 10vw, 8.7rem); letter-spacing: -0.085em; }
.hero h1 span { display: block; margin-block-start: 0.55rem; color: var(--color-accent-soft); font: 500 clamp(1.05rem, 2.3vw, 1.9rem)/1.1 var(--font-mono); letter-spacing: -0.05em; }
.hero__lede { max-width: 32rem; margin-block-start: 1.5rem; color: var(--color-light); font-size: clamp(1rem, 2vw, 1.2rem); }
.hero__actions { display: flex; flex-wrap: wrap; gap: 0.7rem; margin-block-start: 2rem; }
.hero__note { position: absolute; right: 1rem; bottom: 1.3rem; left: 1rem; display: flex; justify-content: space-between; color: var(--color-line-light); font: 0.68rem/1.2 var(--font-mono); letter-spacing: 0.12em; }

.info-strip { position: relative; z-index: 1; margin-block-start: -2rem; border-top: 3px solid var(--color-accent); background: var(--color-paper-light); box-shadow: var(--shadow-soft); }
.info-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); }
.info-item { min-width: 0; border-bottom: 1px solid var(--color-line); padding: 1rem; }
.info-item:nth-child(odd) { border-inline-end: 1px solid var(--color-line); }
.info-item dt { color: var(--color-muted); font: 0.68rem/1.2 var(--font-mono); letter-spacing: 0.08em; text-transform: uppercase; }
.info-item dd { margin-block-start: 0.35rem; font-weight: 700; overflow-wrap: anywhere; }

.story-layout { display: grid; gap: var(--space-6); }
.story-copy { max-width: 43rem; }
.story-copy p { margin-block-end: 1.25rem; font-family: var(--font-display); font-size: clamp(1.1rem, 1.6vw, 1.42rem); line-height: 1.95; }
.image-break { position: relative; min-height: 32rem; overflow: clip; background: var(--color-night); }
.image-break img { width: 100%; height: 32rem; object-fit: cover; filter: saturate(0.78); }
.image-break::after { position: absolute; inset: 0; background: linear-gradient(90deg, var(--color-night-overlay), transparent 68%); content: ""; }
.image-break__caption { position: absolute; z-index: 1; inset: auto auto 2rem 1rem; display: grid; gap: 0.45rem; color: var(--color-light); }
.image-break__caption span { color: var(--color-accent-soft); font: 0.7rem/1 var(--font-mono); letter-spacing: 0.12em; }
.image-break__caption strong { font: 600 clamp(1.6rem, 4vw, 3.5rem)/1.08 var(--font-display); }

.feature-grid { display: grid; grid-template-columns: repeat(1, minmax(0, 1fr)); gap: 0; border-top: 1px solid var(--color-line); }
.feature { display: grid; grid-template-columns: 5.4rem minmax(0, 1fr); gap: 1rem; border-bottom: 1px solid var(--color-line); padding: 1.35rem 0; transition: background-color 180ms ease, padding-inline 180ms ease; }
.feature__tag { color: var(--color-accent); font: 0.7rem/1.2 var(--font-mono); letter-spacing: 0.08em; }
.feature h3 { font-size: 1.35rem; }
.feature p { margin-block-start: 0.45rem; max-width: 42rem; }
@media (hover: hover) and (pointer: fine) { .feature:hover { background: var(--color-paper-deep); padding-inline: 0.7rem; } }

.gallery-preview, .gallery-grid { display: grid; grid-template-columns: repeat(1, minmax(0, 1fr)); gap: 1rem; }
.gallery-card { min-width: 0; margin: 0; }
.gallery-card button { position: relative; display: block; width: 100%; overflow: clip; border: 0; padding: 0; background: var(--color-night); cursor: zoom-in; }
.gallery-card img { width: 100%; aspect-ratio: 1.6; object-fit: cover; transition: transform 260ms ease, filter 260ms ease; }
.gallery-card__shade { position: absolute; inset: 0; background: linear-gradient(135deg, transparent 45%, var(--color-accent-overlay)); opacity: 0; transition: opacity 260ms ease; }
.gallery-card figcaption, .gallery-card > figcaption { display: flex; justify-content: space-between; padding-block: 0.6rem; color: var(--color-muted); font: 0.68rem/1.2 var(--font-mono); letter-spacing: 0.08em; }
.gallery-card:hover img { transform: scale(1.035); filter: saturate(1.06); }
.gallery-card:hover .gallery-card__shade { opacity: 1; }
.filter-tabs { display: flex; gap: 0.45rem; margin-block-end: 1.5rem; }
.filter-tabs button { border: 1px solid var(--color-line); border-radius: var(--radius-sm); background: transparent; color: var(--color-ink-soft); padding: 0.55rem 0.8rem; cursor: pointer; white-space: nowrap; }
.filter-tabs button[aria-selected="true"] { border-color: var(--color-accent); background: var(--color-accent); color: var(--color-light); }

.download-band { background: var(--color-night); color: var(--color-light); }
.download-band__inner { display: flex; align-items: end; justify-content: space-between; gap: 2rem; }
.download-band h2, .final-cta h2 { max-width: 10ch; margin-block-start: 0.65rem; color: var(--color-light); font-size: clamp(2.2rem, 5vw, 5rem); letter-spacing: -0.07em; }
.download-band p:not(.eyebrow), .final-cta p:not(.eyebrow) { max-width: 38rem; margin-block-start: 1rem; color: var(--color-light); }
.timeline { border-top: 1px solid var(--color-line); }
.timeline__item { display: grid; grid-template-columns: 3.4rem minmax(0, 1fr); gap: 1.1rem; border-bottom: 1px solid var(--color-line); padding-block: 1.4rem; }
.timeline__index { color: var(--color-accent); font: 0.8rem/1 var(--font-mono); }
.timeline__meta { color: var(--color-accent); font: 0.74rem/1.2 var(--font-mono); letter-spacing: 0.08em; }
.timeline h3 { margin-block: 0.45rem; font-size: 1.5rem; }
.update-list { display: grid; gap: 0.35rem; margin-block-start: 0.75rem; padding-inline-start: 1.2rem; color: var(--color-ink-soft); }
.fit-grid { display: grid; grid-template-columns: repeat(1, minmax(0, 1fr)); gap: 0; border-top: 1px solid var(--color-line); }
.fit-item { border-bottom: 1px solid var(--color-line); padding: 1.4rem 0; }
.fit-item > span { color: var(--color-accent); font: 0.72rem/1 var(--font-mono); }
.fit-item h3 { margin-block: 0.6rem 0.4rem; font-size: 1.4rem; }

.faq-list { border-top: 1px solid var(--color-line); }
.faq-item { border-bottom: 1px solid var(--color-line); }
.faq-item summary { display: flex; min-height: 4.2rem; align-items: center; justify-content: space-between; gap: 1rem; cursor: pointer; font-weight: 700; list-style: none; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { color: var(--color-accent); content: "+"; font: 1.35rem/1 var(--font-mono); }
.faq-item[open] summary::after { content: "−"; }
.faq-item__answer { max-width: 52rem; padding: 0 2rem 1.2rem 0; color: var(--color-ink-soft); }

.final-cta { background: var(--color-accent-deep); color: var(--color-light); }
.final-cta__inner { min-height: 26rem; display: grid; align-content: center; justify-items: start; }

.footer { background: var(--color-ink); color: var(--color-light); padding-block: 1.4rem 2.2rem; }
.footer__mast { display: flex; justify-content: space-between; gap: 1rem; border-block: 1px solid var(--color-line-light); padding-block: 0.8rem; color: var(--color-accent-soft); font: 0.68rem/1.2 var(--font-mono); letter-spacing: 0.08em; }
.footer__grid { display: grid; gap: 2rem; padding-block: 2.2rem; }
.footer__brand img { width: 9rem; height: 5.4rem; border-radius: var(--radius-sm); object-fit: cover; object-position: center; }
.footer__brand p { max-width: 28rem; margin-block-start: 0.8rem; color: var(--color-light); }
.footer__legal { color: var(--color-accent-soft) !important; font-size: 0.75rem; }
.footer h2 { color: var(--color-accent-soft); font: 0.72rem/1.2 var(--font-mono); letter-spacing: 0.08em; text-transform: uppercase; }
.footer__links { display: grid; gap: 0.35rem; margin-block-start: 0.8rem; list-style: none; }
.footer__links a { color: var(--color-light); text-decoration: none; }
.footer__links a:hover { color: var(--color-accent-soft); }
.footer__bottom { display: flex; justify-content: space-between; gap: 1rem; border-top: 1px solid var(--color-line-light); padding-top: 1rem; color: var(--color-accent-soft); font-size: 0.72rem; }

.page-hero, .article-hero { margin-top: 0; padding-block: 10rem 4.5rem; background: var(--color-night); color: var(--color-light); }
.page-hero__inner, .article-hero .site-shell { max-width: var(--max-width); }
.page-hero h1, .article-hero h1 { max-width: 12ch; margin-block-start: 0.7rem; color: var(--color-light); font-size: clamp(2.8rem, 7vw, 6rem); letter-spacing: -0.08em; }
.page-hero p:not(.eyebrow), .article-hero p:not(.eyebrow) { max-width: 42rem; margin-block-start: 1rem; color: var(--color-light); font-size: 1.05rem; }
.platform-grid { display: grid; grid-template-columns: repeat(1, minmax(0, 1fr)); gap: 1rem; }
.platform-card { position: relative; min-height: 19rem; border-top: 3px solid var(--color-line); padding: 1.5rem; background: var(--color-paper-light); }
.platform-card--feature { border-top-color: var(--color-accent); }
.platform-card__label { color: var(--color-accent); font: 0.76rem/1 var(--font-mono); letter-spacing: 0.12em; }
.platform-card h2 { margin-block: 0.8rem; font-size: 2.4rem; }
.platform-card p:not(.platform-card__label) { max-width: 32rem; }
.platform-card .button { position: absolute; bottom: 1.5rem; left: 1.5rem; }
.platform-card__mark { display: block; margin-block-start: 1.2rem; color: var(--color-accent-deep); font: 0.75rem/1.2 var(--font-mono); }
.steps { display: grid; gap: 0; counter-reset: steps; list-style: none; }
.steps li { display: grid; grid-template-columns: 3.4rem minmax(0, 1fr); gap: 1.1rem; border-top: 1px solid var(--color-line); padding-block: 1.35rem; }
.steps li > span { color: var(--color-accent); font: 0.8rem/1 var(--font-mono); }
.steps h3 { font-size: 1.45rem; }
.steps p { margin-block-start: 0.45rem; }
.notice-block { display: grid; gap: 0.55rem; border-inline-start: 3px solid var(--color-accent); padding: 1.2rem 1.3rem; background: var(--color-paper-deep); }
.notice-block strong { color: var(--color-accent-deep); }

.guide-grid { display: grid; grid-template-columns: repeat(1, minmax(0, 1fr)); gap: 1px; border-top: 1px solid var(--color-line); border-inline-start: 1px solid var(--color-line); }
.guide-card { display: grid; min-height: 15rem; align-content: start; border-inline-end: 1px solid var(--color-line); border-bottom: 1px solid var(--color-line); padding: 1.4rem; text-decoration: none; transition: background-color 180ms ease, transform 180ms ease; }
.guide-card > span { color: var(--color-accent); font: 0.76rem/1 var(--font-mono); }
.guide-card h2 { margin-block: 2.8rem 0.5rem; font-size: 1.55rem; }
.guide-card p { min-height: 3.4rem; }
.guide-card strong { align-self: end; margin-top: 1.2rem; color: var(--color-accent-deep); white-space: nowrap; }
.guide-card:hover { background: var(--color-paper-deep); transform: translateY(-2px); }
.guide-body { display: grid; gap: 2.5rem; }
.toc { display: grid; align-content: start; gap: 0.55rem; border-bottom: 1px solid var(--color-line); padding-bottom: 1.3rem; }
.toc a { color: var(--color-ink-soft); text-decoration: none; white-space: nowrap; }
.toc a:hover { color: var(--color-accent-deep); }
.guide-copy { max-width: 48rem; }
.guide-copy article { scroll-margin-top: 6rem; border-bottom: 1px solid var(--color-line); padding-bottom: 2.5rem; margin-bottom: 2.5rem; }
.guide-copy h2 { margin-block: 0.65rem 1rem; font-size: clamp(1.8rem, 4vw, 3.3rem); }
.guide-copy p { margin-block-end: 1rem; }
.guide-copy ol, .guide-copy ul { display: grid; gap: 0.5rem; padding-inline-start: 1.35rem; color: var(--color-ink-soft); }
.check-list { list-style: square; }
.guide-table { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); margin-top: 1.3rem; border-top: 1px solid var(--color-line); border-left: 1px solid var(--color-line); }
.guide-table div { display: grid; gap: 0.3rem; border-right: 1px solid var(--color-line); border-bottom: 1px solid var(--color-line); padding: 0.8rem; }
.guide-table span { color: var(--color-muted); font: 0.7rem/1.2 var(--font-mono); }
.guide-table strong { overflow-wrap: anywhere; }
.article-link-grid, .article-index { display: grid; grid-template-columns: repeat(1, minmax(0, 1fr)); border-top: 1px solid var(--color-line); }
.article-link-grid a, .article-index__item { display: flex; justify-content: space-between; gap: 1rem; border-bottom: 1px solid var(--color-line); padding: 1rem 0; text-decoration: none; }
.article-link-grid a strong, .article-index__item strong { color: var(--color-accent); white-space: nowrap; }
.article-link-grid a:hover, .article-index__item:hover { color: var(--color-accent-deep); }

.article-body { max-width: 52rem; }
.article-lead { border-inline-start: 3px solid var(--color-accent); padding: 1.15rem 1.3rem; background: var(--color-paper-deep); color: var(--color-ink); font-size: 1.12rem; }
.article-body section { border-bottom: 1px solid var(--color-line); padding-block: 2rem; }
.article-body h2 { margin-block-end: 0.9rem; font-size: 1.9rem; }
.article-body ul { display: grid; gap: 0.5rem; padding-inline-start: 1.4rem; color: var(--color-ink-soft); }
.article-links { display: flex; flex-wrap: wrap; gap: 0.7rem 1.1rem; padding-block: 1.6rem; }
.article-links a { color: var(--color-accent-deep); font-weight: 700; text-decoration: none; white-space: nowrap; }
.article-callout { display: grid; gap: 0.25rem; border-top: 1px solid var(--color-line); padding-top: 1rem; color: var(--color-muted); font-size: 0.82rem; }
.article-callout strong { color: var(--color-accent-deep); }

.lightbox { position: fixed; z-index: var(--z-lightbox); inset: 0; display: grid; grid-template-columns: 3rem minmax(0, 1fr) 3rem; align-items: center; gap: 0.5rem; padding: 4rem 1rem 1rem; background: var(--color-night-strong); overflow: auto; }
.lightbox[hidden] { display: none; }
.lightbox figure { display: grid; min-width: 0; gap: 0.75rem; justify-items: center; }
.lightbox__image { width: min(100%, 72rem); max-height: 78svh; object-fit: contain; }
.lightbox__caption { max-width: 52rem; color: var(--color-light); text-align: center; }
.lightbox button { border: 1px solid var(--color-line-light); background: transparent; color: var(--color-light); padding: 0.65rem 0.4rem; cursor: pointer; white-space: nowrap; }
.lightbox__close { position: absolute; top: 1rem; right: 1rem; }

@keyframes button-sheen { 0%, 35% { transform: translateX(-30rem) skewX(-22deg); } 62%, 100% { transform: translateX(56rem) skewX(-22deg); } }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { scroll-behavior: auto !important; animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; } }

@media (min-width: 40rem) {
  .site-shell { width: min(var(--max-width), calc(100% - 4rem)); }
  .hero__content { padding-block: 11rem 7rem; }
  .hero__note { right: 2rem; left: 2rem; }
  .info-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .info-item:nth-child(odd) { border-inline-end: 0; }
  .info-item:not(:nth-child(3n)) { border-inline-end: 1px solid var(--color-line); }
  .story-layout { grid-template-columns: minmax(13rem, 0.75fr) minmax(0, 1.45fr); gap: 4rem; }
  .feature-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 2rem; }
  .gallery-preview, .gallery-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .fit-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); column-gap: 2rem; }
  .fit-item:not(:last-child) { border-inline-end: 1px solid var(--color-line); padding-inline-end: 1.4rem; }
  .footer__grid { grid-template-columns: minmax(0, 1.8fr) minmax(8rem, 0.7fr) minmax(0, 1fr); gap: 3rem; }
  .platform-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .guide-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .guide-body { grid-template-columns: 10rem minmax(0, 1fr); gap: 3rem; }
  .toc { position: sticky; top: 5.2rem; align-self: start; border-bottom: 0; }
  .article-link-grid, .article-index { grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 2rem; }
}

@media (min-width: 60rem) {
  .nav-float { top: 1.2rem; }
  .hero__content { padding-block: 12rem 7.5rem; }
  .hero h1 { max-width: 9ch; }
  .info-grid { grid-template-columns: repeat(6, minmax(0, 1fr)); }
  .info-item:not(:nth-child(3n)) { border-inline-end: 0; }
  .info-item:not(:last-child) { border-inline-end: 1px solid var(--color-line); }
  .feature-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 4rem; }
  .gallery-preview { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .gallery-preview .gallery-card:first-child { grid-column: span 2; }
  .gallery-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .image-break img { height: 38rem; }
  .image-break__caption { left: max(2rem, calc((100% - var(--max-width)) / 2)); }
}

@media (max-width: 40rem) {
  .nav-float { justify-content: space-between; }
  .nav-float__links { position: absolute; top: calc(100% + 0.45rem); right: 0; left: 0; display: none; flex-direction: column; gap: 0; border: 1px solid var(--color-line-light); border-radius: var(--radius-md); background: var(--color-night); padding: 0.5rem; }
  .nav-float__links.is-open { display: flex; }
  .nav-float__links a { display: block; padding: 0.7rem; }
  .nav-float__cta { display: none; }
  .menu-toggle { display: block; padding: 0.8rem; }
  .download-band__inner { display: grid; align-items: start; }
  .footer__mast, .footer__bottom { flex-direction: column; }
  .lightbox { grid-template-columns: 2.5rem minmax(0, 1fr) 2.5rem; padding-inline: 0.4rem; }
}