/* Hallmark · macrostructure: Split Studio · tone: atmospheric ryokan editorial · anchor hue: coral
 * pre-emit critique: P5 H5 E4 S5 R4 V5 · contrast: pass · slop: 58/58
 */
@import url("../../tokens.css");

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; overflow-x: clip; scroll-padding-top: 6.5rem; }
body {
  margin: 0;
  min-width: 20rem;
  overflow-x: clip;
  color: var(--color-ink);
  background: var(--color-paper);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.7;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}
body.has-modal { overflow: hidden; }
img, video { display: block; max-width: 100%; }
img { height: auto; }
button, input, select { font: inherit; }
a { color: inherit; text-decoration-thickness: var(--rule-thin); text-underline-offset: 0.2em; }
a:active { opacity: .8; }
a[aria-disabled="true"], button:disabled { opacity: .5; cursor: not-allowed; pointer-events: none; }
button, a { -webkit-tap-highlight-color: transparent; }
h1, h2, h3, p, figure, blockquote { margin-top: 0; }
h1, h2, h3 { font-family: var(--font-display); font-style: normal; line-height: 1.16; overflow-wrap: anywhere; min-width: 0; }
h1 { font-size: var(--text-display-s); letter-spacing: -0.035em; }
h2 { font-size: clamp(2rem, 4vw, var(--text-3xl)); letter-spacing: -0.025em; }
h3 { font-size: var(--text-xl); }
p { max-width: 68ch; }
:focus-visible { outline: 3px solid var(--color-focus); outline-offset: 3px; }
::selection { color: var(--color-accent-ink); background: var(--color-accent); }
.skip-link { position: fixed; top: var(--space-sm); left: var(--space-sm); z-index: 200; transform: translateY(-150%); padding: var(--space-sm) var(--space-md); background: var(--color-paper); border: var(--rule-bold) solid var(--color-ink); transition: transform var(--dur-fast) var(--ease-out); }
.skip-link:focus { transform: translateY(0); }
.shell { width: min(100% - (var(--page-gutter) * 2), var(--content-max)); margin-inline: auto; }
.narrow { width: min(100% - (var(--page-gutter) * 2), 52rem); margin-inline: auto; }
.section { padding-block: var(--space-4xl); }
.section--paper-2 { background: var(--color-paper-2); }
.section--dark { color: var(--color-paper); background: var(--color-ink); }
.section-head { display: grid; grid-template-columns: minmax(0, 1fr); align-items: end; gap: var(--space-sm); max-width: 56rem; margin-bottom: var(--space-2xl); }
.section-head h2 { margin-bottom: 0; }
.section-head p { margin: 0; color: var(--color-muted); }
.section--dark .section-head p { color: var(--color-rule); }
.section--dark .muted { color: var(--color-rule); }
.page-intro { padding-top: calc(var(--nav-height) + var(--space-4xl)); }
.page-intro img { border-radius: var(--radius-md); }
.eyebrow { margin-bottom: var(--space-sm); color: var(--color-accent-dark); font-size: var(--text-xs); font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.muted { color: var(--color-muted); }
.tnum { font-variant-numeric: tabular-nums; }
.nowrap { white-space: nowrap; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; }

.site-nav { position: fixed; inset: 0 0 auto; z-index: 100; height: var(--nav-height); color: var(--color-paper); transition: transform var(--dur-base) var(--ease-in-out); }
.site-nav__inner { width: 100%; height: 100%; margin-inline: auto; padding-inline: var(--page-gutter); display: flex; align-items: center; gap: var(--space-lg); background: var(--color-overlay-deep); border-bottom: var(--rule-thin) solid var(--color-line-on-dark); backdrop-filter: blur(14px); transition: border-radius var(--dur-base) var(--ease-in-out), transform var(--dur-base) var(--ease-in-out), box-shadow var(--dur-base) var(--ease-in-out); }
.site-nav.is-floating { pointer-events: none; }
.site-nav.is-floating .site-nav__inner { pointer-events: auto; width: min(calc(100% - 2rem), 68rem); height: 3.75rem; transform: translateY(.75rem); border: var(--rule-thin) solid var(--color-line-on-dark); border-radius: var(--radius-pill); box-shadow: 0 .75rem 2rem var(--color-shadow); }
.brand { display: inline-flex; align-items: center; gap: var(--space-sm); min-width: 0; text-decoration: none; font-family: var(--font-display); font-weight: 900; white-space: nowrap; }
.brand__seal { display: grid; place-items: center; width: 2rem; aspect-ratio: 1; color: var(--color-ink); background: var(--color-gold); border-radius: 50%; font-family: var(--font-body); font-size: var(--text-xs); font-weight: 900; }
.nav-links { display: flex; align-items: center; gap: clamp(var(--space-sm), 2vw, var(--space-lg)); margin: 0 0 0 auto; padding: 0; list-style: none; }
.nav-links a { display: inline-flex; align-items: center; min-height: 2.75rem; text-decoration: none; font-size: var(--text-sm); font-weight: 700; white-space: nowrap; }
.nav-links a:hover { color: var(--color-gold); }
.nav-toggle { display: none; margin-left: auto; min-width: 2.75rem; min-height: 2.75rem; color: inherit; background: transparent; border: var(--rule-thin) solid currentColor; border-radius: var(--radius-pill); cursor: pointer; }

.hero { position: relative; min-height: 100svh; display: grid; align-items: end; color: var(--color-paper); isolation: isolate; overflow: clip; }
.hero__media, .hero__media::after { position: absolute; inset: 0; }
.hero__media { z-index: -2; overflow: hidden; background: var(--color-indigo); }
.hero__media img { width: 100%; height: 100%; object-fit: cover; object-position: center; animation: hero-breathe 22s var(--ease-in-out) infinite alternate; }
.hero__media::after { content: ""; z-index: 1; background: linear-gradient(90deg, var(--color-overlay) 0%, var(--color-overlay) 45%, var(--color-overlay-deep) 100%); }
.hero__grid { width: min(100% - (var(--page-gutter) * 2), var(--content-max)); margin-inline: auto; padding: calc(var(--nav-height) + var(--space-3xl)) 0 var(--space-3xl); display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(20rem, .7fr); gap: var(--space-2xl); align-items: end; }
.hero__scene-note { align-self: end; max-width: 28rem; padding: var(--space-lg); background: var(--color-panel-soft); border: var(--rule-thin) solid var(--color-gold); backdrop-filter: blur(8px); }
.dialogue-name { margin-bottom: var(--space-xs); color: var(--color-gold); font-weight: 900; }
.hero__panel { padding: clamp(var(--space-button-x), 3vw, calc(var(--space-xl) + var(--space-xs))); background: var(--color-panel); border: var(--rule-thin) solid var(--color-panel-border); border-radius: var(--radius-lg); box-shadow: 0 2rem 6rem var(--color-panel-shadow); backdrop-filter: blur(16px); }
.hero__logo { width: min(16rem, 70%); margin-bottom: var(--space-lg); }
.hero h1 { max-width: 12ch; margin-bottom: var(--space-md); }
.hero__lede { margin-bottom: var(--space-lg); color: var(--color-rule-2); font-size: var(--text-md); line-height: 1.55; }
.tag-row { display: flex; flex-wrap: wrap; gap: var(--space-xs); margin-bottom: var(--space-lg); }
.tag { display: inline-flex; align-items: center; min-height: 2rem; padding: var(--space-2xs) var(--space-sm); border: var(--rule-thin) solid currentColor; border-radius: var(--radius-pill); font-size: var(--text-xs); font-weight: 800; white-space: nowrap; }
.metric-row { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-xs); margin-bottom: var(--space-lg); }
.metric { padding: var(--space-sm); background: var(--color-white-08); border-radius: var(--radius-sm); }
.metric strong, .metric span { display: block; }
.metric strong { color: var(--color-gold); font-size: clamp(var(--text-xs), 1.25vw, var(--text-md)); white-space: nowrap; }
.metric span { color: var(--color-rule); font-size: var(--text-xs); }
.actions { display: flex; flex-wrap: wrap; gap: var(--space-sm); }
.button { position: relative; display: inline-flex; justify-content: center; align-items: center; min-height: 3.25rem; padding: var(--space-sm) var(--space-button-x); overflow: hidden; border: var(--rule-bold) solid transparent; border-radius: var(--radius-sm); text-decoration: none; font-weight: 900; line-height: 1; white-space: nowrap; cursor: pointer; transition: transform var(--dur-fast) var(--ease-out), box-shadow var(--dur-base) var(--ease-out), background-color var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out), border-color var(--dur-fast) var(--ease-out); }
.button:hover { transform: translateY(-2px); }
.button:active { transform: translateY(1px); }
.button[aria-disabled="true"], .button:disabled { opacity: .45; pointer-events: none; }
.button[data-state="loading"] { cursor: wait; }
.button[data-state="error"] { background: var(--color-error); }
.button[data-state="success"] { background: var(--color-success); }
.button--primary { color: var(--color-accent-ink); background: var(--color-accent); box-shadow: 0 .65rem 1.75rem var(--color-accent-shadow); }
.button--primary::after { content: ""; position: absolute; inset: -150% auto -150% -35%; width: 22%; transform: rotate(20deg); background: var(--color-white-55); animation: sheen 3.8s var(--ease-in-out) infinite; }
.button--primary:hover { background: var(--color-gold); box-shadow: 0 .85rem 2rem var(--color-gold-shadow); }
.button--secondary { color: var(--color-paper); background: transparent; border-color: currentColor; }
.button--secondary:hover { color: var(--color-ink); background: var(--color-paper); }
.button--dark { color: var(--color-paper); background: var(--color-ink); }
.button--dark:hover { background: var(--color-indigo); }

.info-rail { position: relative; z-index: 2; margin-top: calc(var(--space-xl) * -1); }
.info-grid { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); background: var(--color-paper); border: var(--rule-thin) solid var(--color-rule); box-shadow: 0 1rem 3rem var(--color-shadow); }
.info-item { min-width: 0; padding: var(--space-lg); border-right: var(--rule-thin) solid var(--color-rule-2); }
.info-item:last-child { border-right: 0; }
.info-item dt { margin-bottom: var(--space-xs); color: var(--color-muted); font-size: var(--text-xs); font-weight: 800; }
.info-item dd { margin: 0; font-weight: 900; overflow-wrap: anywhere; }

.story-grid { display: grid; grid-template-columns: minmax(0, .72fr) minmax(0, 1.28fr); gap: var(--space-3xl); align-items: start; }
.story-sticky { position: sticky; top: 7rem; }
.story-copy { font-family: var(--font-display); font-size: var(--text-md); line-height: 1.9; }
.story-visual { margin-top: var(--space-2xl); aspect-ratio: 16 / 9; overflow: hidden; border-radius: var(--radius-md); }
.story-visual img { width: 100%; height: 100%; object-fit: cover; }
.choice-list { display: grid; gap: var(--space-sm); margin-top: var(--space-xl); }
.choice { display: grid; grid-template-columns: auto 1fr; gap: var(--space-sm); padding: var(--space-md); color: var(--color-ink); background: var(--color-paper); border: var(--rule-thin) solid var(--color-rule); text-decoration: none; transition: transform var(--dur-fast) var(--ease-out), border-color var(--dur-fast) var(--ease-out); }
.choice:hover { transform: translateX(.25rem); border-color: var(--color-accent); }
.choice b { color: var(--color-accent-dark); }

.feature-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-md); }
.feature-card { min-width: 0; padding: var(--space-xl); background: var(--color-paper); border: var(--rule-thin) solid var(--color-rule); border-radius: var(--radius-md); box-shadow: 0 .3rem 0 transparent; transition: transform var(--dur-base) var(--ease-out), box-shadow var(--dur-base) var(--ease-out), border-color var(--dur-base) var(--ease-out); }
.feature-card:hover { transform: translateY(-.35rem); border-color: var(--color-gold); box-shadow: 0 .75rem 1.5rem var(--color-shadow); }
.feature-card__index { display: block; margin-bottom: var(--space-xl); color: var(--color-accent-dark); font-weight: 900; font-variant-numeric: tabular-nums; }
.feature-card p { margin-bottom: 0; color: var(--color-muted); }

.media-split { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(0, .65fr); gap: var(--space-2xl); align-items: center; }
.trailer-card { position: relative; display: block; aspect-ratio: 16 / 9; overflow: hidden; color: var(--color-paper); background: var(--color-indigo); border-radius: var(--radius-md); }
.trailer-card img { width: 100%; height: 100%; object-fit: cover; filter: brightness(.74); transition: transform var(--dur-slow) var(--ease-out); }
.trailer-card:hover img { transform: scale(1.025); }
.trailer-card__play { position: absolute; inset: 50% auto auto 50%; transform: translate(-50%, -50%); display: grid; place-items: center; width: 4.5rem; aspect-ratio: 1; background: var(--color-accent); border-radius: 50%; font-size: var(--text-lg); font-weight: 900; }
.trailer-card__caption { position: absolute; inset: auto var(--space-lg) var(--space-lg); margin: 0; font-weight: 800; }

.gallery-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-sm); }
.gallery-card { position: relative; min-width: 0; padding: 0; overflow: hidden; background: var(--color-indigo); border: 0; border-radius: var(--radius-sm); cursor: zoom-in; }
.gallery-card[hidden] { display: none; }
.gallery-card img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; transition: transform var(--dur-base) var(--ease-out), filter var(--dur-base) var(--ease-out); }
.gallery-card:hover img { transform: scale(1.035); filter: brightness(1.08); }
.gallery-card:active img { transform: scale(1.01); }
.gallery-card::after { content: "查看大图"; position: absolute; right: var(--space-sm); bottom: var(--space-sm); padding: var(--space-2xs) var(--space-xs); color: var(--color-paper); background: var(--color-overlay-deep); border-radius: var(--radius-sm); font-size: var(--text-xs); opacity: 0; transform: translateY(var(--space-2xs)); transition: opacity var(--dur-fast) var(--ease-out), transform var(--dur-fast) var(--ease-out); }
.gallery-card:hover::after, .gallery-card:focus-visible::after { opacity: 1; transform: translateY(0); }
.gallery-card--wide { grid-column: span 2; }
.tabs { display: flex; flex-wrap: wrap; gap: var(--space-xs); margin-bottom: var(--space-xl); }
.tab { min-height: 2.75rem; padding: var(--space-xs) var(--space-md); color: var(--color-ink); background: transparent; border: var(--rule-thin) solid var(--color-rule); border-radius: var(--radius-pill); font-weight: 800; cursor: pointer; white-space: nowrap; }
.tab:hover, .tab[aria-selected="true"] { color: var(--color-paper); background: var(--color-indigo); border-color: var(--color-indigo); }

.download-panel { position: relative; overflow: hidden; padding: clamp(var(--space-lg), 5vw, var(--space-3xl)); color: var(--color-paper); background: var(--color-indigo); border-radius: var(--radius-lg); }
.download-panel::before { content: ""; position: absolute; inset: 0; opacity: .18; background-image: repeating-linear-gradient(120deg, transparent 0 10px, var(--color-paper) 10px 11px); }
.download-panel > * { position: relative; }
.download-panel__grid { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(16rem, .8fr); gap: var(--space-2xl); align-items: center; }
.download-facts { display: grid; gap: var(--space-xs); margin: 0; padding: 0; list-style: none; }
.download-facts li { display: flex; justify-content: space-between; gap: var(--space-md); padding-bottom: var(--space-xs); border-bottom: var(--rule-thin) solid var(--color-white-20); }

.timeline { position: relative; display: grid; gap: var(--space-lg); margin-left: var(--space-md); padding-left: var(--space-2xl); border-left: var(--rule-bold) solid var(--color-rule); }
.timeline article { position: relative; }
.timeline article::before { content: ""; position: absolute; top: .4rem; left: calc((var(--space-2xl) + .52rem) * -1); width: 1rem; aspect-ratio: 1; background: var(--color-accent); border: .2rem solid var(--color-paper); border-radius: 50%; box-shadow: 0 0 0 var(--rule-thin) var(--color-accent-dark); }
.timeline time { color: var(--color-accent-dark); font-weight: 900; }

.review-summary { display: grid; grid-template-columns: minmax(0, .45fr) minmax(0, 1.55fr); gap: var(--space-2xl); align-items: stretch; margin-bottom: var(--space-2xl); }
.score-box { display: grid; place-items: center; align-content: center; min-height: 14rem; color: var(--color-paper); background: var(--color-indigo); border-radius: var(--radius-md); text-align: center; }
.score-box strong { font-family: var(--font-display); font-size: var(--text-display-s); line-height: 1; }
.score-box span { color: var(--color-rule); }
.review-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-md); }
.review-card { padding: var(--space-xl); background: var(--color-paper); border-top: .25rem solid var(--color-sea); box-shadow: 0 .5rem 1.5rem var(--color-shadow); }
.review-card blockquote { font-family: var(--font-display); font-size: var(--text-md); line-height: 1.65; }
.review-card footer { color: var(--color-muted); font-size: var(--text-sm); }

.accordion { border-top: var(--rule-thin) solid var(--color-rule); }
.accordion__item { border-bottom: var(--rule-thin) solid var(--color-rule); }
.accordion__button { width: 100%; display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: var(--space-lg); align-items: center; padding: var(--space-lg) 0; color: var(--color-ink); background: transparent; border: 0; text-align: left; font-weight: 900; cursor: pointer; }
.accordion__button:hover { color: var(--color-accent-dark); }
.accordion__symbol { display: grid; place-items: center; width: 2rem; aspect-ratio: 1; border: var(--rule-thin) solid currentColor; border-radius: 50%; }
.accordion__button[aria-expanded="true"] .accordion__symbol { color: var(--color-paper); background: var(--color-indigo); }
.accordion__panel { padding: 0 var(--space-accordion-indent) var(--space-lg) 0; color: var(--color-muted); }
.accordion__panel[hidden] { display: none; }

.spec-table { width: 100%; border-collapse: collapse; text-align: left; }
.spec-table th, .spec-table td { padding: var(--space-md); border-bottom: var(--rule-thin) solid var(--color-rule); vertical-align: top; }
.spec-table th { width: 10rem; color: var(--color-muted); font-size: var(--text-sm); }
.requirements { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-md); }
.requirement-card { padding: var(--space-xl); background: var(--color-paper); border: var(--rule-thin) solid var(--color-rule); border-radius: var(--radius-md); }
.requirement-card ul { padding-left: 1.25rem; }

.platform-grid, .guide-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-md); }
.platform-card, .guide-card { position: relative; min-width: 0; padding: var(--space-xl); background: var(--color-paper); border: var(--rule-thin) solid var(--color-rule); border-radius: var(--radius-md); }
.platform-card.is-recommended { border-color: var(--color-accent); box-shadow: inset 0 .25rem 0 var(--color-accent); }
.platform-card[aria-disabled="true"] { opacity: .56; }
.badge { display: inline-flex; margin-bottom: var(--space-lg); padding: var(--space-2xs) var(--space-sm); color: var(--color-accent-ink); background: var(--color-gold); border-radius: var(--radius-pill); font-size: var(--text-xs); font-weight: 900; white-space: nowrap; }
.guide-card { display: flex; flex-direction: column; }
.guide-card .button { margin-top: auto; align-self: flex-start; }
.toc { position: sticky; top: 7rem; padding: var(--space-lg); background: var(--color-paper-2); border: var(--rule-thin) solid var(--color-accent); }
.toc a { display: block; padding-block: var(--space-xs); text-decoration: none; font-weight: 800; }
.toc a:hover { color: var(--color-accent-dark); }
.guide-layout { display: grid; grid-template-columns: minmax(13rem, .36fr) minmax(0, 1.64fr); gap: var(--space-3xl); align-items: start; }
.prose article { padding-bottom: var(--space-2xl); margin-bottom: var(--space-2xl); border-bottom: var(--rule-thin) solid var(--color-rule); }
.prose li + li { margin-top: var(--space-xs); }
.route-map { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-sm); margin-block: var(--space-lg); }
.route-map div { padding: var(--space-lg); background: var(--color-paper-2); border-top: .25rem solid var(--color-sea); }

.final-cta { padding-block: var(--space-4xl); text-align: center; color: var(--color-paper); background: var(--color-ink); }
.final-cta h2 { max-width: 16ch; margin-inline: auto; }
.final-cta p { margin-inline: auto; color: var(--color-rule); }
.final-cta .actions { justify-content: center; }
.final-cta small { display: block; margin-top: var(--space-lg); color: var(--color-rule); }
.site-footer { padding: var(--space-3xl) var(--page-gutter) calc(var(--space-4xl) + env(safe-area-inset-bottom)); color: var(--color-paper-3); background: var(--color-footer); }
.footer-mast { display: grid; grid-template-columns: minmax(0, .75fr) minmax(0, 1.25fr); gap: var(--space-3xl); padding-bottom: var(--space-2xl); border-bottom: var(--rule-thin) solid var(--color-line-on-dark-soft); }
.footer-links { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-sm) var(--space-xl); }
.footer-links a { display: inline-block; width: fit-content; color: var(--color-paper-3); text-decoration: none; }
.footer-links a:hover { color: var(--color-gold); text-decoration: underline; }
.colophon { padding-top: var(--space-xl); color: var(--color-rule); font-size: var(--text-xs); line-height: 1.75; }
.colophon p { max-width: none; }

.sticky-cta { position: fixed; z-index: 90; inset: auto 0 0; min-height: 4.25rem; padding: var(--space-sm) max(var(--space-md), env(safe-area-inset-left)) calc(var(--space-sm) + env(safe-area-inset-bottom)) max(var(--space-md), env(safe-area-inset-right)); display: flex; justify-content: center; align-items: center; gap: var(--space-md); color: var(--color-paper); background: var(--color-footer-glass); border-top: var(--rule-thin) solid var(--color-line-on-dark-soft); backdrop-filter: blur(14px); }
.sticky-cta p { margin: 0; font-size: var(--text-sm); }
.sticky-cta .button { min-height: 2.75rem; }
.back-to-top { position: fixed; z-index: 80; right: var(--space-md); bottom: 5.5rem; width: 3rem; aspect-ratio: 1; color: var(--color-paper); background: var(--color-indigo); border: 0; border-radius: 50%; opacity: 0; pointer-events: none; transform: translateY(.5rem); cursor: pointer; transition: opacity var(--dur-fast) var(--ease-out), transform var(--dur-fast) var(--ease-out); }
.back-to-top.is-visible { opacity: 1; pointer-events: auto; transform: translateY(0); }

.lightbox { position: fixed; z-index: 150; inset: 0; display: grid; place-items: center; padding: var(--space-md); color: var(--color-paper); background: var(--color-lightbox); }
.lightbox[hidden] { display: none; }
.lightbox__figure { width: min(94vw, 86rem); margin: 0; }
.lightbox__figure img { width: 100%; max-height: 82vh; object-fit: contain; }
.lightbox__caption { margin: var(--space-sm) auto 0; text-align: center; }
.lightbox__close, .lightbox__prev, .lightbox__next { position: fixed; z-index: 2; display: grid; place-items: center; width: 3rem; aspect-ratio: 1; color: var(--color-paper); background: var(--color-white-12); border: var(--rule-thin) solid var(--color-white-35); border-radius: 50%; cursor: pointer; }
.lightbox__close { top: var(--space-md); right: var(--space-md); }
.lightbox__prev { left: var(--space-md); top: 50%; }
.lightbox__next { right: var(--space-md); top: 50%; }
.lightbox__close:hover, .lightbox__prev:hover, .lightbox__next:hover { color: var(--color-ink); background: var(--color-gold); }

.reveal { opacity: 0; transform: translateY(1rem); transition: opacity var(--dur-slow) var(--ease-out), transform var(--dur-slow) var(--ease-out); }
.reveal.is-visible { opacity: 1; transform: translateY(0); }
.tab:disabled, .gallery-card:disabled, .accordion__button:disabled, .nav-toggle:disabled { opacity: .5; cursor: not-allowed; }
[data-state="loading"] { cursor: wait; }
[data-state="error"] { outline-color: var(--color-error); }
[data-state="success"] { outline-color: var(--color-success); }
.status-message { min-height: 1.5em; margin-top: var(--space-sm); color: var(--color-success); font-size: var(--text-sm); }

@keyframes hero-breathe { from { transform: scale(1.02); } to { transform: scale(1.05); } }
@keyframes sheen { 0%, 62% { transform: translateX(-260%) rotate(20deg); } 82%, 100% { transform: translateX(680%) rotate(20deg); } }

@media (max-width: 64rem) {
  .hero__grid { grid-template-columns: minmax(0, 1fr) minmax(19rem, .85fr); }
  .info-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .info-item:nth-child(3) { border-right: 0; }
  .info-item:nth-child(-n+3) { border-bottom: var(--rule-thin) solid var(--color-rule-2); }
  .feature-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-height: 53.125rem) and (min-width: 49rem) {
  .hero__grid { padding-top: calc(var(--nav-height) + var(--space-lg)); padding-bottom: calc(var(--space-4xl) + var(--space-xs)); }
  .hero__panel { padding: var(--space-lg); }
  .hero__logo { width: 13rem; margin-bottom: var(--space-md); }
  .hero h1 { font-size: clamp(var(--text-2xl), 4vw, var(--text-3xl)); line-height: 1.05; margin-bottom: var(--space-sm); }
  .hero__lede { margin-bottom: var(--space-md); font-size: var(--text-base); line-height: 1.45; }
  .tag-row, .metric-row { margin-bottom: var(--space-md); }
  .hero__scene-note { padding: var(--space-md); }
}

@media (max-width: 48rem) {
  :root { --nav-height: 4rem; --space-4xl: 4.5rem; }
  .section-head, .story-grid, .media-split, .download-panel__grid, .review-summary, .footer-mast, .guide-layout { grid-template-columns: minmax(0, 1fr); }
  .page-intro { padding-top: calc(var(--nav-height) + var(--space-3xl)); }
  .section-head { gap: var(--space-md); }
  .site-nav.is-floating .site-nav__inner { width: calc(100% - 1rem); }
  .nav-toggle { display: inline-grid; place-items: center; }
  .nav-links { position: fixed; inset: calc(var(--nav-height) + .75rem) var(--space-sm) auto; display: none; padding: var(--space-md); color: var(--color-ink); background: var(--color-paper); border: var(--rule-thin) solid var(--color-rule); border-radius: var(--radius-md); box-shadow: 0 1rem 3rem var(--color-shadow); }
  .nav-links.is-open { display: grid; }
  .nav-links a { min-height: 3rem; }
  .nav-download { display: none; }
  .hero { align-items: end; }
  .hero__media::after { background: linear-gradient(180deg, var(--color-overlay) 0%, var(--color-overlay-deep) 68%); }
  .hero__media img { animation: none; object-position: 62% center; }
  .hero__grid { grid-template-columns: minmax(0, 1fr); padding-bottom: var(--space-xl); }
  .hero__scene-note { display: none; }
  .hero__panel { padding: var(--space-lg); }
  .hero h1 { max-width: 14ch; }
  .metric-row { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .info-rail { margin-top: 0; }
  .info-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .info-item:nth-child(n) { border-right: var(--rule-thin) solid var(--color-rule-2); border-bottom: var(--rule-thin) solid var(--color-rule-2); }
  .info-item:nth-child(2n) { border-right: 0; }
  .info-item:nth-last-child(-n+2) { border-bottom: 0; }
  .story-sticky, .toc { position: static; }
  .gallery-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .gallery-card--wide { grid-column: span 2; }
  .review-grid { grid-template-columns: minmax(0, 1fr); }
  .requirements, .platform-grid, .guide-grid { grid-template-columns: minmax(0, 1fr); }
  .route-map { grid-template-columns: minmax(0, 1fr); }
  .sticky-cta { justify-content: space-between; }
  .sticky-cta p { display: none; }
  .sticky-cta .button { width: 100%; }
  .lightbox__prev, .lightbox__next { top: auto; bottom: var(--space-lg); }
}

@media (max-width: 30rem) {
  .hero__grid { width: min(100% - 2rem, var(--content-max)); }
  .hero__logo { width: 12rem; }
  .hero__lede { font-size: var(--text-base); }
  .metric { padding: var(--space-xs); }
  .metric strong { font-size: var(--text-sm); }
  .actions .button { width: 100%; }
  .info-grid { grid-template-columns: minmax(0, 1fr); }
  .info-item:nth-child(n) { border-right: 0; border-bottom: var(--rule-thin) solid var(--color-rule-2); }
  .info-item:last-child { border-bottom: 0; }
  .feature-grid, .gallery-grid { grid-template-columns: minmax(0, 1fr); }
  .gallery-card--wide { grid-column: auto; }
  .download-facts li { display: grid; gap: 0; }
  .footer-links { grid-template-columns: minmax(0, 1fr); }
  .spec-table, .spec-table tbody, .spec-table tr, .spec-table th, .spec-table td { display: block; width: 100%; }
  .spec-table th { padding-bottom: 0; border-bottom: 0; }
  .spec-table td { padding-top: var(--space-xs); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; animation: none !important; transition-duration: .01ms !important; transition-delay: 0s !important; }
  .reveal { opacity: 1; transform: none; }
}