/* Hallmark · pre-emit critique: P5 H5 E5 S5 R4 V5 */
/* Hallmark · macrostructure: Narrative Workflow · H6 hero knobs: area=16/7, caption=lower-left, text=overlaid
 * theme: custom · vibe: "seaside ryokan, tavern warmth, restrained club" · paper: oklch(99.02% 0.008 98.88) · accent: oklch(71.92% 0.169 13.43)
 * display: Noto Serif SC · body: Noto Sans SC · axes: light / roman-serif / warm
 * enrichment: E8 verified source imagery · nav: N12 · footer: Ft1 · contrast: pass (40–41) · slop: pass (42–49) · mobile: pass (34, 49–57) · v1.1.0
 */
@import url("../../tokens.css");

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; overflow-x: clip; }
body {
  margin: 0;
  min-width: 20rem;
  overflow-x: clip;
  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;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-underline-offset: 0.2em; }
button, input { font: inherit; }
button { color: inherit; }
h1, h2, h3, p { margin-block-start: 0; }
h1, h2, h3 {
  min-width: 0;
  overflow-wrap: anywhere;
  color: inherit;
  font-family: var(--font-display);
  font-style: normal;
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.14;
}
h2 { font-size: var(--text-3xl); margin-block-end: var(--space-md); }
h3 { font-size: var(--text-xl); margin-block-end: var(--space-xs); }
:focus-visible {
  outline: var(--rule-strong) solid var(--color-focus);
  outline-offset: 0.2rem;
}
::selection { background: var(--color-gold); color: var(--color-ink); }
.skip-link {
  position: fixed;
  inset-block-start: var(--space-sm);
  inset-inline-start: var(--space-sm);
  z-index: var(--z-toast);
  transform: translateY(-180%);
  padding: var(--space-sm) var(--space-md);
  background: var(--color-ink);
  color: var(--color-paper);
}
.skip-link:focus { transform: none; }
.container { width: min(100%, var(--content-max)); margin-inline: auto; padding-inline: var(--page-gutter); }
.section { padding-block: var(--space-3xl); }
.section--tight { padding-block: var(--space-2xl); }
.section--ink { background: var(--color-ink); color: var(--color-paper); }
.section--tint { background: var(--color-paper-2); color: var(--color-ink); }
.section-head { max-width: 46rem; margin-block-end: var(--space-2xl); }
.section-head p { max-width: 62ch; color: var(--color-muted); font-size: var(--text-lg); }
.section--ink .section-head p { color: var(--color-rule); }
.tnum { font-variant-numeric: tabular-nums; }
.muted { color: var(--color-muted); }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: clip;
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

/* Navigation: N12 */
.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: var(--z-sticky);
  transform: translateY(0);
  transition: transform var(--dur-long) var(--ease-out);
}
.site-header.is-compact { transform: translateY(calc(var(--banner-h) * -1)); }
.site-header.is-dismissed { transform: none; }
.site-header.is-dismissed .announcement { display: none; }
.announcement {
  min-height: var(--banner-h);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding-inline: var(--space-xl);
  background: var(--color-accent);
  color: var(--color-accent-ink);
  font-size: var(--text-sm);
  font-weight: 700;
  text-align: center;
}
.announcement a, .nav-link, .brand, .menu-toggle, .footer-link, .tab-button { white-space: nowrap; }
.announcement-close {
  position: absolute;
  inset-inline-end: var(--space-sm);
  inset-block-start: 0;
  width: 2.5rem;
  height: 2.5rem;
  border: 0;
  background: transparent;
  cursor: pointer;
}
.announcement-close:hover { background: color-mix(in oklch, var(--color-ink) 8%, transparent); }
.announcement-close:active { background: color-mix(in oklch, var(--color-ink) 14%, transparent); }
.announcement-close:disabled { opacity: 0.55; cursor: not-allowed; }
.announcement-close::before, .announcement-close::after {
  content: "";
  position: absolute;
  inset: 50% auto auto 50%;
  width: 1rem;
  height: var(--rule-strong);
  background: var(--color-ink);
}
.announcement-close::before { transform: translate(-50%, -50%) rotate(45deg); }
.announcement-close::after { transform: translate(-50%, -50%) rotate(-45deg); }
.nav-shell {
  min-height: var(--bar-h);
  background: color-mix(in oklch, var(--color-paper) 94%, transparent);
  color: var(--color-ink);
  border-block-end: var(--rule-hair) solid var(--color-rule);
  backdrop-filter: blur(0.75rem);
}
.nav-inner {
  min-height: var(--bar-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  text-decoration: none;
  font-family: var(--font-display);
  font-weight: 800;
}
.brand img { width: 2rem; height: 2rem; border-radius: var(--radius-sm); object-fit: cover; }
.brand small { display: block; color: var(--color-muted); font-family: var(--font-body); font-size: var(--text-xs); font-weight: 500; }
.nav-links { display: none; align-items: center; gap: clamp(0.75rem, 1.6vw, 1.5rem); }
.nav-link { min-height: 2.75rem; display: inline-flex; align-items: center; text-decoration: none; font-size: var(--text-sm); font-weight: 650; }
.nav-link[aria-current="page"] { color: var(--color-accent-deep); }
.menu-toggle {
  min-width: 3rem;
  min-height: 2.75rem;
  border: var(--rule-hair) solid var(--color-rule-strong);
  border-radius: var(--radius-sm);
  background: var(--color-paper);
  cursor: pointer;
}
.menu-toggle:hover { background: var(--color-paper-2); }
.menu-toggle:active { background: var(--color-paper-3); }
.menu-toggle:disabled { opacity: 0.55; cursor: not-allowed; }
.mobile-menu {
  display: none;
  padding: var(--space-md) var(--page-gutter) var(--space-lg);
  background: var(--color-paper);
  border-block-end: var(--rule-hair) solid var(--color-rule);
}
.mobile-menu.is-open { display: grid; gap: var(--space-xs); }
.mobile-menu .nav-link { border-block-end: var(--rule-hair) solid var(--color-rule); }

/* Buttons, all eight states */
.btn {
  position: relative;
  min-height: 2.875rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  padding: 0.75rem 1.2rem;
  border: var(--rule-hair) solid var(--color-ink);
  border-radius: var(--radius-sm);
  background: var(--color-ink);
  color: var(--color-paper);
  font-weight: 800;
  line-height: 1;
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  overflow: clip;
  transition: background-color var(--dur-short) var(--ease-out), color var(--dur-short) var(--ease-out), transform var(--dur-micro) var(--ease-out);
}
.btn::after {
  content: "";
  position: absolute;
  inset: -80% auto -80% -35%;
  width: 18%;
  transform: skewX(-18deg) translateX(-320%);
  background: color-mix(in oklch, var(--color-paper) 64%, transparent);
  pointer-events: none;
}
.btn--accent { background: var(--color-accent); color: var(--color-accent-ink); border-color: var(--color-accent); }
.btn--gold { background: var(--color-gold); color: var(--color-ink); border-color: var(--color-gold); }
.btn--outline { background: transparent; color: currentColor; border-color: currentColor; }
.btn--large { min-height: 3.5rem; padding-inline: 1.6rem; font-size: var(--text-lg); }
.btn:focus-visible { outline: var(--rule-strong) solid var(--color-focus); outline-offset: 0.25rem; }
.btn:active, .btn.is-active { transform: translateY(1px); }
.btn[aria-disabled="true"], .btn:disabled { opacity: 0.5; cursor: not-allowed; pointer-events: none; }
.btn[data-state="loading"] { cursor: progress; }
.btn[data-state="loading"]::before {
  content: "";
  width: 1rem;
  height: 1rem;
  border: var(--rule-strong) solid currentColor;
  border-inline-end-color: transparent;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
.btn[data-state="error"] { background: var(--color-error); color: var(--color-paper); border-color: var(--color-error); }
.btn[data-state="success"] { background: var(--color-success); color: var(--color-paper); border-color: var(--color-success); }
@keyframes spin { to { transform: rotate(1turn); } }
@keyframes sheen { to { transform: skewX(-18deg) translateX(900%); } }
@media (hover: hover) and (pointer: fine) {
  .btn:hover { transform: translateY(-1px); }
  .btn:hover::after { animation: sheen 0.75s var(--ease-out); }
  .nav-link:hover { color: var(--color-accent-deep); }
}

/* Hero */
.hero {
  position: relative;
  min-height: clamp(42rem, 84dvh, 58rem);
  display: grid;
  align-items: end;
  padding-block: calc(var(--banner-h) + var(--bar-h) + var(--space-xl)) calc(var(--banner-h) + var(--bar-h) + var(--space-3xl));
  isolation: isolate;
  background: var(--color-ink);
  color: var(--color-paper);
}
.hero-media, .hero-media::after { position: absolute; inset: 0; z-index: -1; }
.hero-media { overflow: clip; }
.hero-media::after {
  content: "";
  background:
    linear-gradient(90deg, var(--color-overlay-strong) 0%, var(--color-overlay-soft) 62%, transparent 88%),
    linear-gradient(0deg, var(--color-overlay-soft) 0%, transparent 54%);
}
.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 18%;
  transform: scale(1.03);
  animation: hero-drift 18s var(--ease-in-out) alternate infinite;
}
@keyframes hero-drift { to { transform: scale(1.05); } }
.hero-copy {
  max-width: 48rem;
  padding: var(--space-lg);
  border: var(--rule-hair) solid color-mix(in oklch, var(--color-paper) 34%, transparent);
  border-radius: var(--radius-md);
  background: color-mix(in oklch, var(--color-ink) 84%, transparent);
  box-shadow: var(--shadow-raised);
  backdrop-filter: blur(0.5rem);
}
.hero-tags, .tag-row { display: flex; flex-wrap: wrap; gap: var(--space-xs); }
.tag {
  display: inline-flex;
  min-height: 2rem;
  align-items: center;
  padding-inline: 0.7rem;
  border: var(--rule-hair) solid color-mix(in oklch, var(--color-paper) 55%, transparent);
  border-radius: var(--radius-pill);
  background: var(--color-overlay-strong);
  color: var(--color-paper);
  font-size: var(--text-sm);
  font-weight: 700;
  white-space: nowrap;
}
.hero h1 { max-width: 17ch; margin-block: var(--space-md) var(--space-sm); font-size: var(--text-display-s); line-height: 1.04; }
.hero h1 span { display: block; margin-block-start: var(--space-xs); color: var(--color-gold); font-size: 0.45em; letter-spacing: 0; }
.hero-lede { max-width: 52ch; margin-block-end: var(--space-lg); color: var(--color-paper); font-size: var(--text-lg); font-weight: 500; line-height: 1.7; }
.hero-actions { display: flex; flex-wrap: wrap; gap: var(--space-sm); }
.hero-metrics {
  margin-block-start: var(--space-xl);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  max-width: 44rem;
  padding-inline: var(--space-sm);
  border-block: var(--rule-hair) solid color-mix(in oklch, var(--color-paper) 35%, transparent);
  background: color-mix(in oklch, var(--color-ink) 68%, transparent);
}
.hero-metric { padding: var(--space-sm) var(--space-sm) var(--space-sm) 0; }
.hero-metric strong { display: block; font-size: var(--text-xl); font-family: var(--font-display); }
.hero-metric span { color: var(--color-paper-3); font-size: var(--text-sm); }

/* Dense data and shop-style modules */
.info-strip { position: relative; z-index: var(--z-raised); margin-block-start: calc(var(--space-xl) * -1); }
.info-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  background: var(--color-paper);
  border: var(--rule-hair) solid var(--color-rule-strong);
  box-shadow: var(--shadow-raised);
}
.info-item { min-width: 0; padding: var(--space-md); border-block-end: var(--rule-hair) solid var(--color-rule); }
.info-item dt { color: var(--color-muted); font-size: var(--text-xs); font-weight: 800; letter-spacing: 0.08em; }
.info-item dd { margin: var(--space-2xs) 0 0; font-weight: 800; overflow-wrap: anywhere; }
.story-layout { display: grid; gap: var(--space-xl); }
.story-copy { max-width: 66ch; font-size: var(--text-lg); }
.story-copy p { margin-block-end: var(--space-lg); }
.story-note {
  align-self: start;
  padding: var(--space-lg);
  background: var(--color-ink);
  color: var(--color-paper);
  border-block-start: 0.25rem solid var(--color-gold);
}
.story-note strong { display: block; margin-block-end: var(--space-xs); font-family: var(--font-display); font-size: var(--text-xl); }
.feature-mosaic { display: grid; gap: var(--space-md); }
.feature-card {
  min-width: 0;
  padding: var(--space-lg);
  background: var(--color-paper);
  border: var(--rule-hair) solid var(--color-rule);
  box-shadow: var(--shadow-whisper);
  transition: transform var(--dur-short) var(--ease-out), box-shadow var(--dur-short) var(--ease-out);
}
.feature-card b { display: block; margin-block-end: var(--space-xs); font-family: var(--font-display); font-size: var(--text-xl); }
.feature-card p { margin: 0; color: var(--color-muted); }
@media (hover: hover) and (pointer: fine) { .feature-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-raised); } }

/* Narrative workflow */
.workflow { counter-reset: chapter; }
.workflow-step {
  counter-increment: chapter;
  display: grid;
  gap: var(--space-lg);
  padding-block: var(--space-2xl);
  border-block-start: var(--rule-strong) solid var(--color-ink);
}
.workflow-step::before {
  content: "0" counter(chapter);
  color: var(--color-accent-deep);
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 800;
  line-height: 1;
}
.workflow-copy { max-width: 40rem; }
.workflow-copy p { color: var(--color-muted); }
.workflow-visual {
  position: relative;
  min-width: 0;
  aspect-ratio: 16 / 9;
  overflow: clip;
  background: var(--color-paper-3);
  border: var(--rule-hair) solid var(--color-rule-strong);
}
.workflow-visual img { width: 100%; height: 100%; object-fit: cover; }
.workflow-visual figcaption {
  position: absolute;
  inset: auto var(--space-sm) var(--space-sm);
  padding: var(--space-xs) var(--space-sm);
  background: var(--color-overlay-strong);
  color: var(--color-paper);
  font-size: var(--text-sm);
}

/* Characters and gallery */
.character-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-sm); }
.character-card { position: relative; min-width: 0; aspect-ratio: 3 / 5; overflow: clip; background: var(--color-paper-3); }
.character-card img { width: 100%; height: 100%; object-fit: cover; object-position: top; transition: transform var(--dur-long) var(--ease-out); }
.character-card h3 {
  position: absolute;
  inset: auto var(--space-xs) var(--space-xs);
  margin: 0;
  padding: var(--space-2xs) var(--space-xs);
  background: var(--color-overlay-strong);
  color: var(--color-paper);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  letter-spacing: 0;
}
@media (hover: hover) and (pointer: fine) { .character-card:hover img { transform: scale(1.025); } }
.gallery-grid { display: grid; grid-template-columns: minmax(0, 1fr); gap: var(--space-md); }
.gallery-item {
  min-width: 0;
  margin: 0;
  background: var(--color-paper-2);
  border: var(--rule-hair) solid var(--color-rule);
}
.gallery-button { width: 100%; padding: 0; border: 0; background: transparent; cursor: zoom-in; }
.gallery-button:active { opacity: 0.82; }
.gallery-button:disabled { opacity: 0.55; cursor: not-allowed; }
.gallery-button img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; transition: transform var(--dur-short) var(--ease-out), opacity var(--dur-short) var(--ease-out); }
.gallery-item figcaption { padding: var(--space-sm); color: var(--color-muted); font-size: var(--text-sm); }
.gallery-item[hidden] { display: none; }
@media (hover: hover) and (pointer: fine) { .gallery-button:hover img { transform: scale(1.012); opacity: 0.92; } }
.filter-tabs { display: flex; gap: var(--space-xs); overflow-x: auto; padding-block-end: var(--space-sm); }
.tab-button {
  min-height: 2.75rem;
  padding-inline: var(--space-md);
  border: var(--rule-hair) solid var(--color-rule-strong);
  border-radius: var(--radius-pill);
  background: var(--color-paper);
  cursor: pointer;
}
.tab-button[aria-selected="true"] { background: var(--color-ink); color: var(--color-paper); border-color: var(--color-ink); }
.tab-button:hover { background: var(--color-paper-2); }
.tab-button:active { background: var(--color-paper-3); }
.tab-button:disabled { opacity: 0.55; cursor: not-allowed; }
.tab-button[aria-selected="true"]:hover { background: var(--color-ink-2); }

/* Download and spec sheet */
.download-panel { display: grid; gap: var(--space-xl); align-items: center; }
.download-panel h2 { max-width: 16ch; }
.download-facts { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); border-block: var(--rule-hair) solid var(--color-rule-strong); }
.download-fact { padding: var(--space-md) var(--space-sm); }
.download-fact b { display: block; font-size: var(--text-xl); font-family: var(--font-display); }
.download-fact span { color: var(--color-rule); font-size: var(--text-sm); }
.platform-grid { display: grid; gap: var(--space-md); }
.platform-card { position: relative; padding: var(--space-xl); border: var(--rule-hair) solid var(--color-rule-strong); background: var(--color-paper); }
.platform-card.is-recommended { border-block-start: 0.25rem solid var(--color-accent); }
.platform-card .label { display: inline-flex; padding: var(--space-2xs) var(--space-xs); background: var(--color-accent); color: var(--color-accent-ink); font-size: var(--text-xs); font-weight: 800; }
.platform-card h2, .platform-card h3 { margin-block-start: var(--space-md); }
.spec-sheet { width: 100%; border-collapse: collapse; }
.spec-sheet th, .spec-sheet td { padding: var(--space-sm) 0; border-block-end: var(--rule-hair) solid var(--color-rule); text-align: start; vertical-align: top; }
.spec-sheet th { width: 38%; font-size: var(--text-sm); }
.install-steps { display: grid; gap: var(--space-md); counter-reset: install; }
.install-step { counter-increment: install; padding: var(--space-lg); background: var(--color-paper); border: var(--rule-hair) solid var(--color-rule); }
.install-step::before { content: "0" counter(install); color: var(--color-accent-deep); font-family: var(--font-display); font-size: var(--text-2xl); font-weight: 800; }

/* Accordion, timeline, FAQ */
.accordion { border-block-start: var(--rule-hair) solid var(--color-rule-strong); }
.accordion-item { border-block-end: var(--rule-hair) solid var(--color-rule-strong); }
.accordion-trigger {
  width: 100%;
  min-height: 4rem;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-sm) 0;
  border: 0;
  background: transparent;
  text-align: start;
  font-weight: 800;
  cursor: pointer;
}
.accordion-trigger::after { content: "+"; font-family: var(--font-body); font-size: var(--text-2xl); font-weight: 400; }
.accordion-trigger[aria-expanded="true"]::after { content: "−"; }
.accordion-trigger:hover { color: var(--color-accent-deep); }
.accordion-trigger:active { color: var(--color-ink-2); }
.accordion-trigger:disabled { opacity: 0.55; cursor: not-allowed; }
.accordion-panel { display: grid; grid-template-rows: 0fr; transition: grid-template-rows var(--dur-long) var(--ease-in-out); }
.accordion-panel > div { overflow: clip; }
.accordion-trigger[aria-expanded="true"] + .accordion-panel { grid-template-rows: 1fr; }
.accordion-panel p, .accordion-panel ul { max-width: 68ch; margin-block: 0 var(--space-lg); color: var(--color-muted); }
.timeline { display: grid; gap: 0; }
.timeline-item { display: grid; grid-template-columns: 7rem minmax(0, 1fr); gap: var(--space-md); padding-block: var(--space-md); border-block-start: var(--rule-hair) solid var(--color-rule); }
.timeline-item time { color: var(--color-accent-deep); font-weight: 800; }

/* Guide and editorial pages */
.page-hero { padding-block: calc(var(--banner-h) + var(--bar-h) + var(--space-3xl)) var(--space-2xl); background: var(--color-paper-2); color: var(--color-ink); }
.page-hero h1 { max-width: 18ch; margin-block-end: var(--space-md); font-size: var(--text-display-s); }
.page-hero p { max-width: 62ch; color: var(--color-muted); font-size: var(--text-lg); }
.guide-layout { display: grid; gap: var(--space-xl); }
.toc { align-self: start; padding: var(--space-lg); background: var(--color-ink); color: var(--color-paper); }
.toc h2 { font-size: var(--text-xl); }
.toc ol { margin: 0; padding-inline-start: 1.2rem; }
.toc a { display: inline-flex; min-height: 2.75rem; align-items: center; text-decoration: none; }
.guide-article { min-width: 0; }
.guide-section { scroll-margin-top: calc(var(--bar-h) + var(--space-xl)); padding-block: var(--space-xl); border-block-start: var(--rule-strong) solid var(--color-ink); }
.guide-section p, .guide-section li { max-width: 70ch; }
.guide-cards { display: grid; gap: var(--space-md); margin-block: var(--space-xl); }
.guide-card { padding: var(--space-lg); background: var(--color-paper-2); border: var(--rule-hair) solid var(--color-rule); }
.guide-card a { font-weight: 800; color: var(--color-accent-deep); }
.route-table { width: 100%; border-collapse: collapse; }
.route-table th, .route-table td { padding: var(--space-sm); border: var(--rule-hair) solid var(--color-rule); text-align: start; vertical-align: top; }
.callout { margin-block: var(--space-lg); padding: var(--space-lg); background: var(--color-paper-2); border-block-start: 0.25rem solid var(--color-sea-deep); }
.breadcrumb { display: flex; flex-wrap: wrap; gap: var(--space-xs); margin-block-end: var(--space-lg); color: var(--color-muted); font-size: var(--text-sm); }
.breadcrumb a { white-space: nowrap; }

/* Audience cards without fabricated reviews */
.fit-grid { display: grid; gap: var(--space-md); }
.fit-card { padding-block: var(--space-lg); border-block-start: var(--rule-strong) solid var(--color-ink); }
.fit-card p { color: var(--color-muted); }

/* Native dialog lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  width: min(94%, 76rem);
  height: fit-content;
  max-height: 88dvh;
  margin: auto;
  padding: var(--space-sm);
  border: var(--rule-hair) solid var(--color-gold);
  background: var(--color-ink);
  color: var(--color-paper);
}
.lightbox::backdrop { background: var(--color-overlay-strong); }
.lightbox img { width: 100%; max-height: 75dvh; object-fit: contain; }
.lightbox-controls { display: flex; align-items: center; justify-content: space-between; gap: var(--space-sm); padding-block-start: var(--space-sm); }
.lightbox-close, .lightbox-arrow {
  min-width: 2.75rem;
  min-height: 2.75rem;
  border: var(--rule-hair) solid var(--color-rule-strong);
  background: transparent;
  color: var(--color-paper);
  cursor: pointer;
}
.lightbox-close:hover, .lightbox-arrow:hover { background: var(--color-ink-2); }
.lightbox-close:active, .lightbox-arrow:active { background: var(--color-accent-deep); }
.lightbox-close:disabled, .lightbox-arrow:disabled { opacity: 0.55; cursor: not-allowed; }
.lightbox-caption { flex: 1; margin: 0; text-align: center; font-size: var(--text-sm); }

/* Final CTA and footer */
.final-cta { position: relative; overflow: clip; padding-block: var(--space-4xl); background: var(--color-ink); color: var(--color-paper); }
.final-cta h2 { max-width: 18ch; font-size: var(--text-display-s); }
.final-cta p { max-width: 58ch; }
.final-cta .btn { margin-block-start: var(--space-md); }
.site-footer { padding-block: var(--space-3xl) calc(var(--space-4xl) + env(safe-area-inset-bottom)); background: var(--color-ink); color: var(--color-paper); }
.footer-wordmark { margin-block-end: var(--space-sm); font-family: var(--font-display); font-size: clamp(2.4rem, 8vw, 6rem); font-weight: 800; line-height: 0.96; }
.footer-tagline { max-width: 48ch; color: var(--color-rule); }
.footer-band { display: grid; gap: var(--space-xl); padding-block: var(--space-xl); border-block: var(--rule-hair) solid var(--color-rule-strong); }
.footer-nav, .related-links { display: flex; flex-wrap: wrap; gap: var(--space-sm) var(--space-lg); }
.footer-link { min-height: 2.75rem; display: inline-flex; align-items: center; color: var(--color-paper); }
.footer-meta { margin-block-start: var(--space-lg); color: var(--color-rule); font-size: var(--text-sm); }
.footer-meta p { margin-block-end: var(--space-xs); }
.sticky-download {
  position: fixed;
  inset: auto 0 0;
  z-index: var(--z-sticky);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  padding: var(--space-xs) max(var(--space-md), env(safe-area-inset-right)) max(var(--space-xs), env(safe-area-inset-bottom)) max(var(--space-md), env(safe-area-inset-left));
  background: var(--color-paper);
  color: var(--color-ink);
  border-block-start: var(--rule-hair) solid var(--color-rule-strong);
  box-shadow: var(--shadow-raised);
}
.sticky-download span { min-width: 0; overflow: clip; text-overflow: ellipsis; white-space: nowrap; font-size: var(--text-sm); }
.back-to-top {
  position: fixed;
  inset: auto var(--space-md) calc(4.75rem + env(safe-area-inset-bottom));
  z-index: var(--z-sticky);
  width: 2.75rem;
  height: 2.75rem;
  border: var(--rule-hair) solid var(--color-rule-strong);
  border-radius: 50%;
  background: var(--color-paper);
  color: var(--color-ink);
  opacity: 0;
  transform: translateY(0.5rem);
  pointer-events: none;
  transition: opacity var(--dur-short) var(--ease-out), transform var(--dur-short) var(--ease-out);
}
.back-to-top.is-visible { opacity: 1; transform: none; pointer-events: auto; }
.back-to-top:hover { background: var(--color-paper-2); }
.back-to-top:active { background: var(--color-paper-3); }
.back-to-top:disabled { opacity: 0.55; cursor: not-allowed; pointer-events: none; }

@media (min-width: 40rem) {
  .hero-metrics { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .info-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .feature-mosaic { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .feature-card:first-child { grid-row: span 2; }
  .character-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .gallery-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .platform-grid, .install-steps, .fit-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-band { grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr); }
}

@media (max-width: 39.999rem) {
  .hero-copy { padding: var(--space-md); }
  .hero-media::after { background: var(--color-overlay-soft); }
}

@media (min-width: 60rem) {
  .nav-links { display: flex; }
  .menu-toggle { display: none; }
  .hero { min-height: clamp(44rem, 86dvh, 60rem); }
  .hero h1 { font-size: var(--text-display); }
  .info-grid { grid-template-columns: repeat(6, minmax(0, 1fr)); }
  .info-item { border-inline-end: var(--rule-hair) solid var(--color-rule); border-block-end: 0; }
  .story-layout { grid-template-columns: minmax(0, 1.45fr) minmax(17rem, 0.55fr); align-items: start; }
  .workflow-step { grid-template-columns: 5rem minmax(0, 0.8fr) minmax(0, 1.2fr); align-items: center; }
  .workflow-step:nth-child(even) .workflow-visual { order: 2; }
  .character-grid { grid-template-columns: repeat(6, minmax(0, 1fr)); }
  .gallery-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .gallery-item:first-child { grid-column: span 2; }
  .download-panel { grid-template-columns: minmax(0, 1.2fr) minmax(22rem, 0.8fr); }
  .platform-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .install-steps { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .guide-layout { grid-template-columns: minmax(14rem, 0.34fr) minmax(0, 1fr); }
  .toc { position: sticky; inset-block-start: calc(var(--bar-h) + var(--space-lg)); }
  .guide-cards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .fit-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .sticky-download { inset-inline: auto var(--space-xl); inset-block-end: var(--space-xl); width: min(28rem, calc(100% - var(--space-xl) * 2)); border: var(--rule-hair) solid var(--color-rule-strong); border-radius: var(--radius-md); padding: var(--space-sm); }
  .back-to-top { inset-block-end: 6.5rem; }
}

@media (min-width: 90rem) {
  .gallery-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .gallery-item:first-child { grid-column: span 2; grid-row: span 2; }
  .gallery-item:first-child .gallery-button img { aspect-ratio: 1 / 1; }
}

@media (pointer: coarse) {
  .btn, .nav-link, .tab-button, .accordion-trigger, .footer-link { min-height: 3rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 150ms !important; animation-iteration-count: 1 !important; transition-duration: 150ms !important; }
  .hero-media img { animation: none; transform: none; }
}