/* Hallmark · macrostructure: Catalogue Long Document · tone: forest mercantile narrative · anchor hue: orange · nav: N8 retail utility · footer: Ft6 directory · contrast: pass (40–41) · mobile: pass (34, 49, 50–57) */
/* Hallmark · pre-emit critique: P5 H5 E4 S5 R4 V5 */
@import url("tokens.css");

*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; overflow-x: clip; scroll-behavior: smooth; }
html { scroll-padding-top: 7.5rem; }
body {
  background: var(--color-paper);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.72;
  text-rendering: optimizeLegibility;
  padding-bottom: 0;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration-thickness: .08em; text-underline-offset: .18em; }
button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; }
:focus-visible { outline: 3px solid var(--color-focus); outline-offset: 3px; }
::selection { background: var(--color-orange); color: var(--color-ink); }
.skip-link { position: fixed; left: var(--space-md); top: -6rem; z-index: 1000; background: var(--color-white); padding: var(--space-sm) var(--space-md); }
.skip-link:focus { top: var(--space-md); }
.wrap { width: min(1180px, calc(100% - 2rem)); margin-inline: auto; }
.narrow { width: min(820px, calc(100% - 2rem)); margin-inline: auto; }
.promo { background: var(--color-berry-deep); color: var(--color-white); font-size: var(--text-sm); text-align: center; padding: .42rem 1rem; letter-spacing: .02em; }
.site-header { position: sticky; top: 0; z-index: 50; background: var(--color-charcoal); color: var(--color-white); border-bottom: 3px solid var(--color-orange); }
.nav-row { min-height: 4.3rem; display: flex; align-items: center; justify-content: space-between; gap: var(--space-lg); }
.brand { display: inline-flex; align-items: center; gap: var(--space-sm); text-decoration: none; white-space: nowrap; }
.brand-mark { width: 2.15rem; height: 2.15rem; display: grid; place-items: center; border: 1px solid var(--color-orange); color: var(--color-orange); font-family: var(--font-display); font-weight: 800; }
.brand strong { display: block; font-family: var(--font-display); font-size: 1.18rem; line-height: 1.1; }
.brand small { display: block; color: var(--color-rule); font-size: .68rem; letter-spacing: .08em; }
.nav-links { display: flex; align-items: center; gap: var(--space-xs); }
.nav-links a { padding: .5rem .68rem; text-decoration: none; white-space: nowrap; border-bottom: 2px solid transparent; font-size: var(--text-sm); }
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--color-orange); border-color: var(--color-orange); }
.nav-links a:active { transform: translateY(1px); }
.nav-download { background: var(--color-orange); color: var(--color-ink) !important; border: 1px solid var(--color-orange); font-weight: 800; }
.nav-download:hover { background: var(--color-white); border-color: var(--color-white) !important; }
.menu-button { display: none; min-width: 2.75rem; min-height: 2.75rem; padding: .6rem; background: transparent; color: var(--color-white); border: 1px solid var(--color-charcoal-soft); }
.menu-button:hover { background: var(--color-charcoal-soft); }
.menu-button:active { transform: translateY(1px); }
.menu-button:disabled { opacity: .48; cursor: not-allowed; }
.menu-button svg { width: 1.4rem; height: 1.4rem; }
.crumbs { padding-block: var(--space-md); font-size: var(--text-sm); color: var(--color-ink-muted); }
.crumbs ol { display: flex; flex-wrap: wrap; list-style: none; padding: 0; margin: 0; gap: .55rem; }
.crumbs li + li::before { content: "/"; margin-right: .55rem; color: var(--color-brown); }
.hero { position: relative; isolation: isolate; padding: clamp(1.5rem, 4vw, 4rem) 0 2.5rem; background: var(--color-paper-deep); border-bottom: 1px solid var(--color-rule); }
.hero::before { content: ""; position: absolute; inset: 0; z-index: -1; opacity: .36; background-image: linear-gradient(90deg, transparent 49%, var(--color-rule) 50%, transparent 51%), linear-gradient(var(--color-paper-raised) 49%, var(--color-rule) 50%, var(--color-paper-raised) 51%); background-size: 44px 44px; }
.store-layout { display: grid; grid-template-columns: minmax(0, 1.45fr) minmax(19rem, .75fr); gap: var(--space-xl); align-items: start; }
.media-stage { background: var(--color-charcoal); border: 1px solid var(--color-charcoal); box-shadow: 0 22px 55px var(--color-shadow); min-width: 0; overflow: hidden; }
.main-shot { position: relative; aspect-ratio: 16 / 9; overflow: hidden; }
.main-shot img { width: 100%; height: 100%; object-fit: cover; animation: slow-zoom 18s var(--ease-in-out) alternate infinite; }
.main-shot::after { content: ""; position: absolute; inset: auto 0 0; height: 38%; background: linear-gradient(transparent, var(--color-overlay)); pointer-events: none; }
.shot-label { position: absolute; z-index: 2; left: var(--space-md); bottom: var(--space-md); color: var(--color-white); font-weight: 700; font-size: var(--text-sm); }
.thumb-strip { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 2px; background: var(--color-charcoal); }
.thumb-strip a { display: block; aspect-ratio: 16/9; overflow: hidden; opacity: .72; }
.thumb-strip a:hover, .thumb-strip a:focus-visible { opacity: 1; }
.thumb-strip img { width: 100%; height: 100%; object-fit: cover; }
.product-panel { background: var(--color-paper-raised); border-top: 6px solid var(--color-green); box-shadow: 0 18px 40px var(--color-shadow); padding: clamp(1.25rem, 3vw, 2rem); }
.flags { display: flex; flex-wrap: wrap; gap: .4rem; margin-bottom: var(--space-md); }
.tag { display: inline-flex; align-items: center; min-height: 1.8rem; padding: .18rem .62rem; background: var(--color-paper-deep); border: 1px solid var(--color-rule); color: var(--color-green-deep); font-size: var(--text-xs); font-weight: 800; white-space: nowrap; }
.tag-age { background: var(--color-berry-deep); color: var(--color-white); border-color: var(--color-berry-deep); }
h1, h2, h3, h4 { font-family: var(--font-display); font-style: normal; line-height: 1.18; overflow-wrap: anywhere; min-width: 0; }
h1 { margin: 0 0 var(--space-sm); font-size: clamp(2.4rem, 5.4vw, 4.7rem); letter-spacing: -.045em; }
.jp-title { font-family: var(--font-display); color: var(--color-brown); font-size: var(--text-lg); line-height: 1.45; margin: 0 0 var(--space-lg); }
.lead { font-size: var(--text-lg); color: var(--color-ink-muted); margin: 0 0 var(--space-lg); }
.meta-list { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: .36rem var(--space-md); margin: 0 0 var(--space-xl); font-size: var(--text-sm); }
.meta-list dt { color: var(--color-ink-muted); }
.meta-list dd { margin: 0; font-weight: 700; }
.button-row { display: flex; flex-wrap: wrap; gap: var(--space-sm); align-items: center; }
.btn { min-height: 3rem; display: inline-flex; justify-content: center; align-items: center; gap: .55rem; padding: .72rem 1.15rem; border: 1px solid var(--color-ink); text-decoration: none; font-weight: 850; line-height: 1; white-space: nowrap; transition: transform var(--dur-fast) var(--ease-out), background-color var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out), box-shadow var(--dur-fast) var(--ease-out); }
.btn-primary { background: var(--color-accent); color: var(--color-accent-ink); border-color: var(--color-accent); box-shadow: 4px 4px 0 var(--color-ink); }
.btn-primary:hover { transform: translate(-2px, -2px); }
.btn-primary:active, .btn-primary.is-active { transform: translate(2px, 2px); box-shadow: 1px 1px 0 var(--color-ink); background: var(--color-orange-pressed); }
.btn-secondary { background: transparent; color: var(--color-ink); }
.btn-secondary:hover { background: var(--color-green-deep); color: var(--color-white); border-color: var(--color-green-deep); }
.btn[aria-disabled="true"], .btn:disabled, .btn.is-disabled { opacity: .48; pointer-events: none; box-shadow: none; }
.btn[data-state="loading"], .btn.is-loading { cursor: progress; background: var(--color-paper-deep); }
.btn[data-state="error"], .btn.is-error { background: var(--color-error); color: var(--color-white); border-color: var(--color-error); }
.btn[data-state="success"], .btn.is-success { background: var(--color-success); color: var(--color-white); border-color: var(--color-success); box-shadow: none; }
.mini-note { margin: var(--space-sm) 0 0; font-size: var(--text-xs); color: var(--color-ink-muted); }
.info-rail { background: var(--color-charcoal); color: var(--color-white); }
.info-grid { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); margin: 0; }
.info-grid > div { padding: var(--space-lg) var(--space-md); border-right: 1px solid var(--color-charcoal-soft); min-width: 0; }
.info-grid > div:last-child { border-right: 0; }
.info-grid dt { color: var(--color-rule); font-size: var(--text-xs); margin-bottom: .22rem; }
.info-grid dd { margin: 0; font-weight: 800; overflow-wrap: anywhere; }
.section { padding: clamp(3.5rem, 8vw, 7rem) 0; }
.section-compact { padding: clamp(2.5rem, 5vw, 4rem) 0; }
.section-dark { background: var(--color-charcoal); color: var(--color-white); }
.section-green { background: var(--color-green-deep); color: var(--color-white); }
.section-berry { background: var(--color-berry-deep); color: var(--color-white); }
.section-head { display: grid; grid-template-columns: minmax(0, .7fr) minmax(0, 1.3fr); gap: var(--space-xl); align-items: end; margin-bottom: var(--space-2xl); padding-bottom: var(--space-lg); border-bottom: 1px solid var(--color-rule); }
.section-head h2 { margin: 0; font-size: var(--text-2xl); }
.section-head p { margin: 0; color: var(--color-ink-muted); max-width: 44rem; }
.section-dark .section-head p, .section-green .section-head p, .section-berry .section-head p { color: var(--color-paper-deep); }
.title-bar { display: flex; align-items: center; justify-content: space-between; gap: var(--space-md); padding: var(--space-sm) var(--space-md); margin-bottom: var(--space-xl); background: var(--color-charcoal); color: var(--color-white); border-left: 7px solid var(--color-orange); }
.title-bar h2 { font-size: var(--text-xl); margin: 0; }
.title-bar a { font-size: var(--text-sm); color: var(--color-orange); white-space: nowrap; }
.story-grid { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr); gap: clamp(2rem, 6vw, 6rem); align-items: center; }
.story-copy h2 { font-size: var(--text-2xl); margin: 0 0 var(--space-lg); }
.story-copy p { margin: 0 0 var(--space-md); }
.story-quote { border-left: 5px solid var(--color-berry); padding-left: var(--space-lg); margin: var(--space-xl) 0; font-family: var(--font-display); font-size: var(--text-xl); }
.stone-frame { position: relative; padding: var(--space-sm); background: var(--color-paper-deep); border: 1px solid var(--color-brown); box-shadow: 14px 14px 0 var(--color-green-deep); }
.stone-frame::before, .stone-frame::after { content: ""; position: absolute; width: 3rem; height: 3rem; border-color: var(--color-orange); }
.stone-frame::before { left: -1px; top: -1px; border-left: 5px solid; border-top: 5px solid; }
.stone-frame::after { right: -1px; bottom: -1px; border-right: 5px solid; border-bottom: 5px solid; }
.stone-frame img { width: 100%; aspect-ratio: 16/9; object-fit: cover; }
.feature-grid { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: var(--space-md); }
.feature-card { grid-column: span 3; background: var(--color-paper-raised); border: 1px solid var(--color-rule); border-top: 4px solid var(--color-green); padding: var(--space-xl); transition: transform var(--dur-base) var(--ease-out), box-shadow var(--dur-base) var(--ease-out); min-width: 0; }
.feature-card:first-child { grid-column: span 6; }
.feature-card:hover { transform: translateY(-4px); box-shadow: 0 16px 30px var(--color-shadow); }
.feature-number { font-family: var(--font-body); color: var(--color-berry); font-weight: 800; font-size: var(--text-sm); }
.feature-card h3 { font-size: var(--text-xl); margin: var(--space-md) 0 var(--space-sm); }
.feature-card p { margin: 0; color: var(--color-ink-muted); }
.media-feature { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(17rem, .8fr); gap: var(--space-xl); align-items: stretch; }
.media-feature figure { margin: 0; }
.media-feature img { width: 100%; aspect-ratio: 16/9; object-fit: cover; }
.media-caption { display: grid; align-content: center; padding: var(--space-xl); background: var(--color-paper-raised); color: var(--color-ink); border-top: 5px solid var(--color-orange); }
.media-caption h3 { margin: 0 0 var(--space-md); font-size: var(--text-2xl); }
.media-caption p { margin: 0 0 var(--space-lg); color: var(--color-ink-muted); }
.audience-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1px; background: var(--color-rule); border: 1px solid var(--color-rule); }
.audience-card { background: var(--color-paper-raised); padding: var(--space-xl); }
.audience-card h3 { margin: 0 0 var(--space-sm); font-size: var(--text-lg); }
.audience-card p { margin: 0; color: var(--color-ink-muted); }
.gallery-preview { display: grid; grid-template-columns: minmax(0, 1.45fr) minmax(0, .55fr); gap: var(--space-sm); }
.gallery-preview > a { position: relative; display: block; overflow: hidden; background: var(--color-charcoal); min-width: 0; }
.gallery-preview > a:first-child { grid-row: span 2; }
.gallery-preview img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 16/9; transition: transform var(--dur-slow) var(--ease-out), opacity var(--dur-base) var(--ease-out); }
.gallery-preview a:hover img { transform: scale(1.03); opacity: .9; }
.gallery-preview span { position: absolute; left: var(--space-sm); bottom: var(--space-sm); background: var(--color-overlay); color: var(--color-white); padding: .25rem .55rem; font-size: var(--text-xs); }
.check-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-md); }
.check-card { padding: var(--space-xl); border: 1px solid var(--color-charcoal-soft); }
.check-card strong { display: block; color: var(--color-orange); font-family: var(--font-display); font-size: var(--text-xl); margin-bottom: var(--space-sm); }
.check-card p { margin: 0; color: var(--color-paper-deep); }
.faq-list { display: grid; gap: var(--space-sm); }
.faq-list details { background: var(--color-paper-raised); border: 1px solid var(--color-rule); }
.faq-list summary { cursor: pointer; list-style: none; font-weight: 800; padding: var(--space-lg) 3.5rem var(--space-lg) var(--space-lg); position: relative; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: "+"; position: absolute; right: var(--space-lg); top: 50%; transform: translateY(-50%); font-family: var(--font-body); color: var(--color-green); font-size: 1.5rem; }
.faq-list details[open] summary::after { content: "−"; }
.faq-answer { padding: 0 var(--space-lg) var(--space-lg); color: var(--color-ink-muted); }
.faq-answer p { margin: 0 0 var(--space-sm); }
.faq-answer p:last-child { margin-bottom: 0; }
.page-hero { padding: clamp(2.7rem, 7vw, 6rem) 0; background: var(--color-paper-deep); border-bottom: 1px solid var(--color-rule); }
.page-hero-grid { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(18rem, .8fr); gap: var(--space-2xl); align-items: end; }
.page-hero h1 { font-size: var(--text-3xl); }
.page-summary { border-left: 5px solid var(--color-orange); padding-left: var(--space-lg); }
.page-summary p { margin: 0; color: var(--color-ink-muted); }
.download-layout { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(17rem, .7fr); gap: var(--space-xl); align-items: start; }
.download-card { border: 1px solid var(--color-rule); background: var(--color-paper-raised); }
.download-card-head { padding: var(--space-lg); background: var(--color-charcoal); color: var(--color-white); display: flex; justify-content: space-between; gap: var(--space-md); align-items: center; }
.download-card-head h2 { margin: 0; font-size: var(--text-xl); }
.download-card-body { padding: clamp(1.25rem, 4vw, 2.5rem); }
.fact-table { width: 100%; border-collapse: collapse; font-size: var(--text-sm); margin: var(--space-lg) 0; }
.fact-table th, .fact-table td { text-align: left; padding: .65rem; border-bottom: 1px solid var(--color-rule); vertical-align: top; }
.fact-table th { width: 8rem; color: var(--color-ink-muted); font-weight: 600; }
.warning-card { border-left: 6px solid var(--color-berry); background: var(--color-paper-deep); padding: var(--space-lg); }
.warning-card h3 { margin: 0 0 var(--space-sm); font-size: var(--text-lg); }
.warning-card p { margin: 0; }
.steps { list-style: none; margin: 0; padding: 0; counter-reset: steps; }
.steps li { counter-increment: steps; display: grid; grid-template-columns: 3rem minmax(0, 1fr); gap: var(--space-md); padding: var(--space-xl) 0; border-bottom: 1px solid var(--color-rule); }
.steps li::before { content: counter(steps, decimal-leading-zero); width: 3rem; height: 3rem; display: grid; place-items: center; background: var(--color-green-deep); color: var(--color-white); font-family: var(--font-body); font-weight: 800; }
.steps h3 { margin: 0 0 .35rem; font-size: var(--text-lg); }
.steps p { margin: 0; color: var(--color-ink-muted); }
.toc { position: sticky; top: 6.5rem; border-top: 5px solid var(--color-green); background: var(--color-paper-raised); padding: var(--space-lg); }
.toc h2 { margin: 0 0 var(--space-sm); font-size: var(--text-lg); }
.toc ol { margin: 0; padding-left: 1.2rem; }
.toc a { text-decoration: none; }
.toc a:hover { color: var(--color-green); text-decoration: underline; }
.guide-layout { display: grid; grid-template-columns: minmax(13rem, .34fr) minmax(0, 1fr); gap: var(--space-2xl); align-items: start; }
.guide-chapter { padding-bottom: var(--space-2xl); margin-bottom: var(--space-2xl); border-bottom: 1px solid var(--color-rule); }
.guide-chapter h2 { margin-top: 0; font-size: var(--text-2xl); }
.guide-chapter h3 { margin-top: var(--space-xl); font-size: var(--text-xl); }
.guide-chapter img { width: 100%; aspect-ratio: 16/9; object-fit: cover; margin: var(--space-lg) 0; border: 1px solid var(--color-rule); }
.spoiler-safe { border: 1px solid var(--color-green); padding: var(--space-lg); background: var(--color-paper-raised); }
.spoiler-safe strong { color: var(--color-green-deep); }
.filter-bar { display: flex; flex-wrap: wrap; gap: var(--space-xs); margin-bottom: var(--space-xl); }
.filter-button { min-height: 2.6rem; border: 1px solid var(--color-charcoal); background: var(--color-paper-raised); padding: .5rem .85rem; font-weight: 750; white-space: nowrap; cursor: pointer; }
.filter-button:hover, .filter-button[aria-pressed="true"] { background: var(--color-charcoal); color: var(--color-white); }
.filter-button:active { transform: translateY(1px); }
.filter-button:disabled { opacity: .45; cursor: not-allowed; }
.gallery-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-md); }
.gallery-item { margin: 0; min-width: 0; border: 1px solid var(--color-rule); background: var(--color-paper-raised); }
.gallery-item a { display: block; overflow: hidden; background: var(--color-charcoal); }
.gallery-item img { width: 100%; aspect-ratio: 16/9; object-fit: cover; transition: transform var(--dur-slow) var(--ease-out); }
.gallery-item a:hover img { transform: scale(1.025); }
.gallery-item figcaption { padding: var(--space-sm) var(--space-md); color: var(--color-ink-muted); font-size: var(--text-sm); }
.gallery-item[hidden] { display: none; }
.lightbox { position: fixed; inset: 0; z-index: 100; display: grid; place-items: center; background: var(--color-overlay); padding: var(--space-lg); }
.lightbox[hidden] { display: none; }
.lightbox-figure { margin: 0; width: min(1120px, 100%); }
.lightbox-image { width: 100%; max-height: 80vh; object-fit: contain; background: var(--color-charcoal); }
.lightbox-caption { color: var(--color-white); margin-top: var(--space-sm); text-align: center; }
.lightbox-close, .lightbox-prev, .lightbox-next { position: fixed; min-width: 3rem; min-height: 3rem; border: 1px solid var(--color-white); background: var(--color-charcoal); color: var(--color-white); cursor: pointer; }
.lightbox-close:hover, .lightbox-prev:hover, .lightbox-next:hover { background: var(--color-charcoal-soft); }
.lightbox-close:active, .lightbox-prev:active, .lightbox-next:active { transform: translateY(1px); }
.lightbox-close:disabled, .lightbox-prev:disabled, .lightbox-next:disabled { opacity: .48; cursor: not-allowed; }
.lightbox-close { top: var(--space-lg); right: var(--space-lg); }
.lightbox-prev { left: var(--space-lg); top: 50%; }
.lightbox-next { right: var(--space-lg); top: 50%; }
.article-meta { display: flex; flex-wrap: wrap; gap: var(--space-sm); margin-top: var(--space-lg); color: var(--color-ink-muted); font-size: var(--text-sm); }
.article-body { max-width: 780px; }
.article-body h2 { margin-top: var(--space-2xl); font-size: var(--text-2xl); }
.article-body h3 { margin-top: var(--space-xl); font-size: var(--text-xl); }
.article-body code { font-family: var(--font-mono); background: var(--color-paper-deep); padding: .1rem .35rem; border: 1px solid var(--color-rule); }
.article-cta { margin-top: var(--space-2xl); padding: var(--space-xl); background: var(--color-green-deep); color: var(--color-white); }
.article-cta h2 { margin-top: 0; }
.final-cta { position: relative; overflow: hidden; text-align: center; padding: clamp(4rem, 9vw, 8rem) 0; background: var(--color-charcoal); color: var(--color-white); }
.final-cta::before { content: ""; position: absolute; width: 28rem; height: 28rem; border: 1px solid var(--color-green); border-radius: 50%; left: -10rem; top: -15rem; opacity: .45; }
.final-cta h2 { position: relative; margin: 0 0 var(--space-md); font-size: var(--text-3xl); }
.final-cta p { position: relative; margin: 0 auto var(--space-xl); max-width: 42rem; color: var(--color-paper-deep); }
.final-cta .button-row { position: relative; justify-content: center; }
.final-cta small { display: block; position: relative; margin-top: var(--space-lg); color: var(--color-rule); }
.site-footer { background: var(--color-ink); color: var(--color-white); padding: var(--space-3xl) 0 var(--space-xl); }
.footer-grid { display: grid; grid-template-columns: 1.3fr .7fr 1.2fr; gap: var(--space-2xl); }
.footer-grid h2, .footer-grid h3 { margin: 0 0 var(--space-md); font-size: var(--text-lg); }
.footer-grid p { color: var(--color-rule); margin: 0; }
.footer-links { display: grid; gap: .5rem; }
.footer-links a { width: fit-content; text-decoration: none; color: var(--color-paper-deep); white-space: nowrap; }
.footer-links a:hover { color: var(--color-orange); text-decoration: underline; }
.related-links { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .5rem var(--space-lg); }
.footer-legal { margin-top: var(--space-2xl); padding-top: var(--space-lg); border-top: 1px solid var(--color-charcoal-soft); display: flex; justify-content: space-between; gap: var(--space-lg); color: var(--color-rule); font-size: var(--text-xs); }
.mobile-cta { display: none; position: fixed; z-index: 45; left: .75rem; right: .75rem; bottom: .75rem; background: var(--color-charcoal); border: 1px solid var(--color-orange); padding: .55rem; box-shadow: 0 12px 30px var(--color-shadow); }
.mobile-cta .btn { width: 100%; }
.back-top { position: fixed; z-index: 40; right: var(--space-md); bottom: var(--space-md); width: 2.8rem; height: 2.8rem; display: grid; place-items: center; background: var(--color-paper-raised); border: 1px solid var(--color-charcoal); text-decoration: none; opacity: 0; pointer-events: none; transition: opacity var(--dur-base) var(--ease-out); }
.back-top.is-visible { opacity: 1; pointer-events: auto; }
.no-js-note { background: var(--color-paper-deep); border: 1px solid var(--color-rule); padding: var(--space-md); }
@keyframes slow-zoom { from { transform: scale(1.02); } to { transform: scale(1.05); } }

@media (max-width: 980px) {
  .store-layout, .story-grid, .media-feature, .page-hero-grid, .download-layout { grid-template-columns: minmax(0, 1fr); }
  .product-panel { max-width: none; }
  .info-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .info-grid > div:nth-child(3) { border-right: 0; }
  .info-grid > div:nth-child(-n+3) { border-bottom: 1px solid var(--color-charcoal-soft); }
  .feature-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .feature-card, .feature-card:first-child { grid-column: auto; }
  .audience-grid, .check-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .gallery-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid > :last-child { grid-column: 1 / -1; }
}

@media (max-width: 760px) {
  body { padding-bottom: 5.3rem; }
  html { scroll-padding-top: 6.5rem; }
  .promo { font-size: .72rem; }
  .nav-row { min-height: 3.8rem; }
  .menu-button { display: grid; place-items: center; }
  .nav-links { position: absolute; left: 0; right: 0; top: 100%; display: none; flex-direction: column; align-items: stretch; background: var(--color-charcoal); padding: var(--space-sm) 1rem var(--space-lg); border-bottom: 3px solid var(--color-orange); }
  .nav-links.is-open { display: flex; }
  .nav-links a { min-height: 2.75rem; display: flex; align-items: center; }
  .brand small { display: none; }
  .hero { padding-top: var(--space-lg); }
  .store-layout { gap: var(--space-md); }
  .media-stage { order: 2; }
  .product-panel { order: 1; }
  h1 { font-size: clamp(2.35rem, 14vw, 3.8rem); }
  .section-head { grid-template-columns: minmax(0, 1fr); gap: var(--space-sm); align-items: start; }
  .feature-grid, .audience-grid, .check-grid { grid-template-columns: minmax(0, 1fr); }
  .gallery-preview { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .gallery-preview > a:first-child { grid-row: auto; grid-column: 1 / -1; }
  .guide-layout { grid-template-columns: minmax(0, 1fr); }
  .toc { position: static; }
  .footer-grid { grid-template-columns: minmax(0, 1fr); }
  .footer-grid > :last-child { grid-column: auto; }
  .footer-legal { flex-direction: column; }
  .related-links { grid-template-columns: minmax(0, 1fr); }
  .mobile-cta { display: block; }
  .back-top { bottom: 5.8rem; }
  .lightbox-prev { left: .5rem; }
  .lightbox-next { right: .5rem; }
}

@media (max-width: 520px) {
  .wrap, .narrow { width: min(100% - 1.25rem, 1180px); }
  .product-panel { padding: var(--space-lg); }
  .button-row { align-items: stretch; }
  .button-row .btn { width: 100%; }
  .info-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .info-grid > div { border-right: 1px solid var(--color-charcoal-soft); border-bottom: 1px solid var(--color-charcoal-soft); }
  .info-grid > div:nth-child(even) { border-right: 0; }
  .thumb-strip { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .gallery-grid { grid-template-columns: minmax(0, 1fr); }
  .filter-bar { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .filter-button { width: 100%; }
  .gallery-preview { grid-template-columns: minmax(0, 1fr); }
  .gallery-preview > a:first-child { grid-column: auto; }
  .steps li { grid-template-columns: 2.5rem minmax(0, 1fr); }
  .steps li::before { width: 2.5rem; height: 2.5rem; }
  .fact-table th { width: 6.5rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .main-shot img, .gallery-item img, .gallery-preview img { transform: none !important; }
}