/* Hallmark · genre: playful · macrostructure: Photographic · theme: custom
 * H6 knobs: image=full-bleed, caption=lower-left, text=overlaid · nav: N12 · footer: Ft5
 * vibe: "雾白樱粉 夏空像素 旅馆钥匙" · axes: light / roman-serif / chromatic-dusty-pink
 * context: inferred from explicit brief · enrichment: official reviewed photography · v1.1.0
 * pre-emit critique: P5 H5 E4 S5 R4 V5
 * contrast: pass (40–41) · slop: pass (42–45) · mobile: pass (34, 49, 50–57)
 * honest: pass (46) · chrome: pass (47) · tokens: pass (48) · icons: pass (30)
 */

*,
*::before,
*::after { box-sizing: border-box; }

html {
  color-scheme: light;
  overflow-x: clip;
  scroll-behavior: smooth;
  scroll-padding-top: 7.5rem;
}

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: 1.7;
  text-rendering: optimizeLegibility;
}

body[data-menu-open] { overflow: hidden; }

img,
video { display: block; max-width: 100%; }

button,
a { -webkit-tap-highlight-color: transparent; }

button,
input,
summary { font: inherit; }

button { color: inherit; }

a { color: inherit; text-underline-offset: 0.22em; }

h1,
h2,
h3 { min-width: 0; overflow-wrap: anywhere; }

a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: var(--rule-strong) solid var(--color-focus);
  outline-offset: var(--space-2xs);
}

button[disabled],
a[aria-disabled="true"] {
  pointer-events: none;
  background: var(--color-disabled);
  border-color: var(--color-disabled);
  color: var(--color-disabled-ink);
  box-shadow: none;
}

[hidden] { display: none !important; }
[data-build-field="version"]:empty { display: none; }

.skip-link {
  position: fixed;
  inset: var(--space-sm) auto auto var(--space-sm);
  z-index: var(--z-tooltip);
  padding: var(--space-sm) var(--space-md);
  transform: translateY(-180%);
  background: var(--color-paper);
  border: var(--rule-strong) solid var(--color-indigo);
  border-radius: var(--radius-sm);
}

.skip-link:focus { transform: translateY(0); }

.container { width: var(--content); margin-inline: auto; }
.container--narrow { width: var(--content-narrow); margin-inline: auto; }
.top-sentinel { position: absolute; inset: 0 auto auto 0; width: 1px; height: 1px; }

.promo {
  min-height: 2.25rem;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-xs) clamp(var(--space-md), 4vw, var(--space-xl));
  background: var(--color-indigo);
  color: var(--color-ink-on-dark);
  font-size: var(--text-sm);
}

.promo p { margin: 0; text-align: center; }
.promo strong { color: var(--color-lemon); }
.promo__close {
  min-width: 2.75rem;
  min-height: 2.75rem;
  padding: var(--space-xs);
  border: 0;
  background: transparent;
  color: var(--color-ink-on-dark);
  cursor: pointer;
}

.site-header {
  position: sticky;
  inset-block-start: 0;
  z-index: var(--z-sticky);
  border-bottom: var(--rule-thin) solid var(--color-rule);
  background: var(--color-paper-alpha);
  box-shadow: 0 var(--space-2xs) var(--space-lg) var(--color-shadow-soft);
}

.nav {
  width: var(--content);
  min-height: 4.5rem;
  margin-inline: auto;
  display: grid;
  grid-template-columns: minmax(9rem, 1fr) auto auto;
  align-items: center;
  gap: var(--space-lg);
}

.brand {
  min-width: 0;
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  text-decoration: none;
  white-space: nowrap;
}

.brand img { width: 2rem; height: 2rem; border-radius: var(--radius-xs); }
.brand__text { font-family: var(--font-display); font-weight: 800; letter-spacing: -0.03em; }
.brand__dx { color: var(--color-maple); }

.nav__links { display: flex; align-items: center; gap: var(--space-lg); }
.nav__links a {
  position: relative;
  min-height: 2.75rem;
  display: inline-flex;
  align-items: center;
  white-space: nowrap;
  text-decoration: none;
  font-size: var(--text-sm);
  font-weight: 700;
}
.nav__links a::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: var(--rule-strong);
  transform: scaleX(0);
  transform-origin: right;
  background: var(--color-sakura-strong);
  transition: transform var(--dur-base) var(--ease-out);
}
.nav__links a:hover::after,
.nav__links a[aria-current="page"]::after { transform: scaleX(1); transform-origin: left; }

.nav__drawer,
.nav__scrim { display: none; }

.menu-toggle {
  display: none;
  width: 2.75rem;
  height: 2.75rem;
  border: var(--rule-thin) solid var(--color-rule);
  border-radius: var(--radius-sm);
  background: var(--color-paper);
  cursor: pointer;
}
.menu-toggle span,
.menu-toggle::before,
.menu-toggle::after {
  content: "";
  width: 1.25rem;
  height: var(--rule-strong);
  display: block;
  margin: var(--space-2xs) auto;
  background: var(--color-indigo);
  transition: transform var(--dur-base) var(--ease-out), opacity var(--dur-base) var(--ease-out);
}

.btn {
  position: relative;
  isolation: isolate;
  min-height: 3rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  padding: var(--space-sm) var(--space-lg);
  overflow: hidden;
  border: var(--rule-strong) solid var(--color-indigo);
  border-radius: var(--radius-sm);
  background: var(--color-paper);
  color: var(--color-indigo);
  box-shadow: 0 var(--space-xs) var(--space-lg) var(--color-shadow-soft);
  text-decoration: none;
  white-space: nowrap;
  font-weight: 800;
  cursor: pointer;
  transition: transform var(--dur-fast) var(--ease-out), background-color var(--dur-base) var(--ease-out), border-color var(--dur-base) var(--ease-out);
}

.btn:active,
.btn.is-active { transform: translateY(1px); box-shadow: none; }
.btn:not(.btn--primary):hover,
.btn:not(.btn--primary).is-hover { background: var(--color-paper-2); }
.btn--primary { border-color: var(--color-action); background: var(--color-action); color: var(--color-action-ink); }
.btn--primary:hover,
.btn--primary.is-hover { border-color: var(--color-action-hover); background: var(--color-action-hover); }
.btn--primary:active,
.btn--primary.is-active { border-color: var(--color-action-pressed); background: var(--color-action-pressed); }
.btn--primary::before {
  content: "";
  position: absolute;
  inset: -80% auto -80% -50%;
  z-index: -1;
  width: 34%;
  transform: skewX(-18deg) translateX(-250%);
  background: var(--color-paper-glass);
  opacity: 0.56;
}
.btn--primary:hover::before,
.btn--primary:focus-visible::before { animation: cta-sheen 900ms var(--ease-out) 1; }
.btn[aria-busy="true"] { cursor: progress; }
.btn[aria-busy="true"]::after {
  content: "";
  width: 1rem;
  height: 1rem;
  border: var(--rule-strong) solid var(--color-action-ink);
  border-inline-end-color: transparent;
  border-radius: var(--radius-round);
  animation: spin 800ms linear infinite;
}
.btn[data-state="success"] { border-color: var(--color-success); background: var(--color-success); color: var(--color-paper); }
.btn[data-state="error"] { border-color: var(--color-error); background: var(--color-error); color: var(--color-paper); }
.btn--nav { min-height: 2.75rem; padding-block: var(--space-xs); }
.btn--large { min-height: 4rem; padding-inline: var(--space-xl); font-size: var(--text-md); }

.hero {
  position: relative;
  isolation: isolate;
  min-height: max(44rem, calc(100svh - 6.75rem));
  display: grid;
  align-items: end;
  overflow: clip;
  background: var(--color-indigo);
  color: var(--color-ink-on-dark);
}
.hero__image { position: absolute; inset: 0; z-index: -3; width: 100%; height: 100%; object-fit: cover; object-position: center; }
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  background: linear-gradient(90deg, var(--color-overlay-strong), var(--color-overlay-soft));
}
.hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  z-index: -1;
  height: 45%;
  background: linear-gradient(0deg, var(--color-overlay-strong), transparent);
}
.hero__inner { width: var(--content); margin-inline: auto; padding-block: var(--space-xl) var(--space-2xl); }
.dialogue {
  position: relative;
  max-width: 56rem;
  padding: clamp(var(--space-lg), 4vw, var(--space-xl));
  border: var(--rule-thin) solid var(--color-ink-on-dark-muted);
  border-inline-start: var(--space-xs) solid var(--color-sakura);
  border-radius: var(--radius-sm);
  background: var(--color-overlay-strong);
  box-shadow: 0 var(--space-lg) var(--space-2xl) var(--color-shadow);
}
.dialogue__name {
  position: absolute;
  inset: auto auto 100% var(--space-lg);
  padding: var(--space-xs) var(--space-lg);
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  background: var(--color-sakura);
  color: var(--color-ink);
  font-weight: 800;
}
.hero h1,
.page-hero h1 {
  max-width: 18ch;
  margin: 0;
  overflow-wrap: anywhere;
  font-family: var(--font-display);
  font-size: var(--text-display-s);
  font-style: normal;
  font-weight: 900;
  line-height: 1.12;
  letter-spacing: -0.04em;
}
.hero h1 small { display: block; margin-top: var(--space-xs); color: var(--color-sky); font-family: var(--font-body); font-size: var(--text-md); letter-spacing: 0.02em; }
.hero__lede { max-width: 52ch; margin: var(--space-md) 0 0; color: var(--color-ink-on-dark-muted); font-size: var(--text-md); }
.tag-list { display: flex; flex-wrap: wrap; gap: var(--space-xs); margin: var(--space-lg) 0 0; padding: 0; list-style: none; }
.tag { padding: var(--space-2xs) var(--space-sm); border: var(--rule-thin) solid currentColor; border-radius: var(--radius-round); font-size: var(--text-sm); white-space: nowrap; }
.hero__metrics { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--space-sm); margin-top: var(--space-lg); }
.metric { min-width: 0; padding-inline-end: var(--space-sm); border-inline-end: var(--rule-thin) solid var(--color-ink-on-dark-muted); }
.metric:last-child { border: 0; }
.metric strong { display: block; font-size: var(--text-md); font-variant-numeric: tabular-nums; }
.metric span { display: block; color: var(--color-ink-on-dark-muted); font-size: var(--text-sm); }
.hero__actions { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-sm); margin-top: var(--space-lg); }
.hero__actions .btn:not(.btn--primary) { border-color: var(--color-ink-on-dark); background: transparent; color: var(--color-ink-on-dark); }

.key-strip {
  width: var(--content);
  margin: calc(var(--space-xl) * -1) auto var(--space-3xl);
  position: relative;
  z-index: var(--z-raised);
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) repeat(4, minmax(0, 1fr));
  border: var(--rule-thin) solid var(--color-rule);
  border-radius: var(--radius-md);
  overflow: clip;
  background: var(--color-paper);
  box-shadow: 0 var(--space-lg) var(--space-2xl) var(--color-shadow);
}
.key-strip__brand { display: grid; place-items: center; min-height: 9.5rem; padding: var(--space-md); background: var(--color-indigo); }
.key-strip__brand img { width: min(100%, 15rem); height: auto; }
.key-strip dl { margin: 0; padding: var(--space-lg); border-inline-start: var(--rule-thin) solid var(--color-rule); }
.key-strip dt { color: var(--color-muted); font-size: var(--text-sm); }
.key-strip dd { margin: var(--space-xs) 0 0; font-weight: 800; overflow-wrap: anywhere; }

.section { padding-block: var(--space-3xl); }
.section--tint { background: var(--color-sky-soft); }
.section--dark { background: var(--color-indigo); color: var(--color-ink-on-dark); }
.section-head { display: grid; grid-template-columns: minmax(0, 0.7fr) minmax(0, 1.3fr); gap: var(--space-xl); align-items: end; margin-bottom: var(--space-2xl); }
.section-head h2 { margin: 0; min-width: 0; overflow-wrap: anywhere; font-family: var(--font-display); font-size: var(--text-3xl); font-style: normal; line-height: 1.2; letter-spacing: -0.035em; }
.section-head p { max-width: 55ch; margin: 0; color: var(--color-ink-2); }
.section--dark .section-head p { color: var(--color-ink-on-dark-muted); }

.story-grid { display: grid; grid-template-columns: minmax(0, 0.86fr) minmax(0, 1.14fr); gap: var(--space-2xl); align-items: start; }
.story-copy { max-width: 65ch; }
.story-copy p { margin: 0 0 var(--space-lg); font-size: var(--text-md); }
.story-figure { position: sticky; inset-block-start: 7rem; margin: 0; }
.story-figure img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; border-radius: var(--radius-sm); box-shadow: 0 var(--space-lg) var(--space-2xl) var(--color-shadow); }
.story-figure figcaption { margin-top: var(--space-sm); color: var(--color-muted); font-size: var(--text-sm); }

.feature-grid { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: var(--space-md); }
.feature {
  grid-column: span 4;
  min-height: 15rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: var(--space-lg);
  padding: var(--space-lg);
  border: var(--rule-thin) solid var(--color-rule);
  border-radius: var(--radius-md);
  background: var(--color-paper);
  transition: border-color var(--dur-base) var(--ease-out);
}
.feature:nth-child(1),
.feature:nth-child(5) { grid-column: span 8; }
.feature:hover { border-color: var(--color-sakura-strong); }
.feature__index { color: var(--color-maple); font-weight: 900; font-variant-numeric: tabular-nums; }
.feature h3 { margin: 0; font-family: var(--font-display); font-size: var(--text-xl); line-height: 1.25; }
.feature p { margin: var(--space-sm) 0 0; color: var(--color-ink-2); }

.media-stage { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(15rem, 0.6fr); gap: var(--space-xl); align-items: stretch; }
.trailer-card { position: relative; min-height: 24rem; margin: 0; overflow: clip; border-radius: var(--radius-md); background: var(--color-indigo); }
.trailer-card img { width: 100%; height: 100%; object-fit: cover; opacity: 0.74; }
.trailer-card__overlay { position: absolute; inset: 0; display: flex; flex-direction: column; justify-content: flex-end; align-items: flex-start; gap: var(--space-sm); padding: var(--space-xl); background: linear-gradient(0deg, var(--color-overlay-strong), transparent); }
.trailer-card__overlay h3 { margin: 0; font-family: var(--font-display); font-size: var(--text-2xl); }
.route-key { margin: 0; padding: var(--space-xl); border: var(--rule-thin) solid var(--color-ink-on-dark-muted); border-radius: var(--radius-md); }
.route-key h3 { margin: 0 0 var(--space-lg); font-family: var(--font-display); font-size: var(--text-xl); }
.route-key ol { display: grid; gap: var(--space-lg); margin: 0; padding: 0; list-style: none; counter-reset: route; }
.route-key li { position: relative; padding-inline-start: var(--space-xl); color: var(--color-ink-on-dark-muted); counter-increment: route; }
.route-key li::before { content: counter(route); position: absolute; inset-inline-start: 0; width: 1.75rem; height: 1.75rem; display: grid; place-items: center; border-radius: var(--radius-round); background: var(--color-sakura); color: var(--color-ink); font-weight: 900; }

.gallery-grid { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); grid-auto-flow: dense; gap: var(--space-sm); }
.gallery-card { grid-column: span 4; margin: 0; }
.gallery-card--wide { grid-column: span 8; }
.gallery-button { width: 100%; height: 100%; padding: 0; overflow: clip; border: 0; border-radius: var(--radius-sm); background: var(--color-indigo); cursor: zoom-in; }
.gallery-button img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; transition: transform var(--dur-slow) var(--ease-out), opacity var(--dur-base) var(--ease-out); }
.gallery-button:hover img { transform: scale(1.025); }
.gallery-card figcaption { padding-top: var(--space-xs); color: var(--color-muted); font-size: var(--text-sm); }
.filter-bar { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-xs); margin-bottom: var(--space-xl); }
.filter-btn { min-height: 2.75rem; padding: var(--space-xs) var(--space-md); border: var(--rule-thin) solid var(--color-rule); border-radius: var(--radius-round); background: var(--color-paper); cursor: pointer; white-space: nowrap; }
.filter-btn:hover { border-color: var(--color-indigo); }
.filter-btn[aria-pressed="true"] { border-color: var(--color-indigo); background: var(--color-indigo); color: var(--color-ink-on-dark); }

.timeline { position: relative; display: grid; gap: var(--space-lg); max-width: 55rem; margin-inline: auto; }
.timeline::before { content: ""; position: absolute; inset: 0 auto 0 5.4rem; width: var(--rule-thin); background: var(--color-rule); }
.timeline article { display: grid; grid-template-columns: 4.5rem minmax(0, 1fr); gap: var(--space-xl); }
.timeline time { font-variant-numeric: tabular-nums; color: var(--color-muted); }
.timeline__body { position: relative; padding: 0 0 var(--space-xl) var(--space-lg); }
.timeline__body::before { content: ""; position: absolute; inset: 0 auto auto calc(var(--space-lg) * -1 - var(--space-xs)); width: var(--space-sm); height: var(--space-sm); border: var(--rule-strong) solid var(--color-paper); border-radius: var(--radius-round); background: var(--color-sakura-strong); box-shadow: 0 0 0 var(--rule-thin) var(--color-sakura-strong); }
.timeline h3 { margin: 0; font-size: var(--text-lg); }
.timeline p { margin: var(--space-xs) 0 0; color: var(--color-ink-2); }

.audience-grid { display: grid; grid-template-columns: 1.15fr 0.85fr 1fr; gap: var(--space-md); }
.audience-card { padding: var(--space-xl); border-top: var(--space-2xs) solid var(--color-sakura-strong); background: var(--color-paper); box-shadow: 0 var(--space-xs) var(--space-lg) var(--color-shadow-soft); }
.audience-card:nth-child(2) { border-color: var(--color-sky); transform: translateY(var(--space-lg)); }
.audience-card:nth-child(3) { border-color: var(--color-action); }
.audience-card h3 { margin: 0; font-family: var(--font-display); font-size: var(--text-lg); }
.audience-card p { margin: var(--space-sm) 0 0; color: var(--color-ink-2); }
.rating-panel { display: flex; flex-wrap: wrap; align-items: baseline; gap: var(--space-sm) var(--space-lg); margin-bottom: var(--space-xl); padding-block: var(--space-lg); border-block: var(--rule-thin) solid var(--color-rule); }
.rating-panel strong { font-family: var(--font-display); font-size: var(--text-3xl); font-variant-numeric: tabular-nums; }
.rating-panel span { color: var(--color-muted); }

.accordion { border-top: var(--rule-thin) solid var(--color-rule); }
.accordion details { border-bottom: var(--rule-thin) solid var(--color-rule); }
.accordion summary { min-height: 4rem; display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: var(--space-lg); padding-block: var(--space-md); list-style: none; cursor: pointer; font-weight: 800; }
.accordion summary::-webkit-details-marker { display: none; }
.accordion summary::after { content: "+"; width: 2rem; height: 2rem; display: grid; place-items: center; border: var(--rule-thin) solid var(--color-rule); border-radius: var(--radius-round); font-size: var(--text-lg); }
.accordion details[open] summary::after { content: "−"; background: var(--color-indigo); color: var(--color-ink-on-dark); }
.accordion__body { max-width: 68ch; padding: 0 0 var(--space-lg); color: var(--color-ink-2); }
.accordion__body p { margin: 0; }

.final-cta { position: relative; overflow: clip; padding-block: var(--space-3xl); background: var(--color-indigo); color: var(--color-ink-on-dark); }
.final-cta::after { content: ""; position: absolute; inset: auto -8% -55% auto; width: 24rem; height: 24rem; border: var(--rule-thin) solid var(--color-sakura); border-radius: var(--radius-round); opacity: 0.28; }
.final-cta__inner { position: relative; z-index: var(--z-base); display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(14rem, 0.65fr); gap: var(--space-2xl); align-items: center; }
.final-cta h2 { margin: 0; font-family: var(--font-display); font-size: var(--text-3xl); line-height: 1.2; }
.final-cta p { max-width: 50ch; color: var(--color-ink-on-dark-muted); }
.final-cta__actions { display: flex; flex-direction: column; gap: var(--space-sm); align-items: stretch; }
.final-cta__note { font-size: var(--text-sm); text-align: center; }

.site-footer { padding-block: var(--space-3xl) calc(var(--space-3xl) + 4rem); border-top: var(--rule-thin) solid var(--color-rule); }
.footer__statement { max-width: 32ch; margin: 0; font-family: var(--font-display); font-size: var(--text-2xl); font-weight: 800; line-height: 1.35; }
.footer__grid { display: grid; grid-template-columns: 1.2fr 0.8fr 1fr; gap: var(--space-2xl); margin-top: var(--space-2xl); padding-top: var(--space-xl); border-top: var(--rule-thin) solid var(--color-rule); }
.footer__grid h2 { margin: 0 0 var(--space-sm); font-size: var(--text-sm); }
.footer__grid ul { display: grid; gap: var(--space-xs); margin: 0; padding: 0; list-style: none; }
.footer__grid a { text-decoration: none; white-space: nowrap; }
.footer__grid a:hover { text-decoration: underline; }
.footer__legal { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-sm) var(--space-xl); margin-top: var(--space-xl); color: var(--color-muted); font-size: var(--text-sm); }

.mobile-cta {
  position: fixed;
  inset: auto 0 0;
  z-index: var(--z-sticky);
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: var(--space-sm);
  align-items: center;
  padding: var(--space-sm) max(var(--space-md), env(safe-area-inset-right)) calc(var(--space-sm) + env(safe-area-inset-bottom)) max(var(--space-md), env(safe-area-inset-left));
  border-top: var(--rule-thin) solid var(--color-rule);
  background: var(--color-paper-alpha);
  transform: translateY(110%);
  transition: transform var(--dur-base) var(--ease-out);
}
.mobile-cta.is-visible { transform: translateY(0); }
.mobile-cta__meta { min-width: 0; }
.mobile-cta__meta strong,
.mobile-cta__meta span { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.mobile-cta__meta span { color: var(--color-muted); font-size: var(--text-sm); }

.back-to-top { position: fixed; inset: auto var(--space-lg) 6rem auto; z-index: var(--z-sticky); width: 3rem; height: 3rem; border: var(--rule-thin) solid var(--color-rule); border-radius: var(--radius-round); background: var(--color-paper); box-shadow: 0 var(--space-xs) var(--space-lg) var(--color-shadow); opacity: 0; transform: translateY(var(--space-md)); pointer-events: none; cursor: pointer; transition: opacity var(--dur-base) var(--ease-out), transform var(--dur-base) var(--ease-out); }
.back-to-top.is-visible { opacity: 1; transform: translateY(0); pointer-events: auto; }
.download-status { position: fixed; inset: auto var(--space-lg) 6rem auto; z-index: var(--z-toast); max-width: 18rem; padding: var(--space-sm) var(--space-md); border-radius: var(--radius-sm); background: var(--color-indigo); color: var(--color-ink-on-dark); opacity: 0; transform: translateY(var(--space-md)); pointer-events: none; transition: opacity var(--dur-base) var(--ease-out), transform var(--dur-base) var(--ease-out); }
.download-status.is-visible { opacity: 1; transform: translateY(0); }

.lightbox { width: min(96vw, 86rem); max-width: none; padding: 0; border: 0; border-radius: var(--radius-md); background: var(--color-indigo); color: var(--color-ink-on-dark); }
.lightbox::backdrop { background: var(--color-overlay-strong); }
.lightbox__figure { margin: 0; }
.lightbox__figure img { width: 100%; max-height: 80vh; object-fit: contain; }
.lightbox__figure figcaption { padding: var(--space-sm) var(--space-lg); }
.lightbox__close,
.lightbox__nav { position: absolute; z-index: var(--z-raised); width: 2.75rem; height: 2.75rem; border: var(--rule-thin) solid var(--color-ink-on-dark-muted); border-radius: var(--radius-round); background: var(--color-overlay-strong); color: var(--color-ink-on-dark); cursor: pointer; }
.lightbox__close { inset: var(--space-md) var(--space-md) auto auto; }
.lightbox__prev { inset: 50% auto auto var(--space-md); }
.lightbox__next { inset: 50% var(--space-md) auto auto; }

.page-hero { position: relative; isolation: isolate; min-height: 26rem; display: grid; align-items: end; padding-block: var(--space-3xl) var(--space-2xl); overflow: clip; background: var(--color-indigo); color: var(--color-ink-on-dark); }
.page-hero::before { content: ""; position: absolute; inset: 0; z-index: -2; background: linear-gradient(90deg, var(--color-overlay-strong), var(--color-overlay)); }
.page-hero__image { position: absolute; inset: 0; z-index: -3; width: 100%; height: 100%; object-fit: cover; opacity: 0.55; }
.page-hero p { max-width: 58ch; margin: var(--space-md) 0 0; color: var(--color-ink-on-dark-muted); font-size: var(--text-md); }
.breadcrumb { margin-bottom: var(--space-lg); font-size: var(--text-sm); }
.breadcrumb ol { display: flex; flex-wrap: wrap; gap: var(--space-xs); margin: 0; padding: 0; list-style: none; }
.breadcrumb li + li::before { content: "/"; margin-inline-end: var(--space-xs); color: var(--color-ink-on-dark-muted); }

.platform-grid { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr); gap: var(--space-lg); }
.platform-card { position: relative; padding: var(--space-xl); border: var(--rule-thin) solid var(--color-rule); border-radius: var(--radius-md); background: var(--color-paper); }
.platform-card--recommended { border-width: var(--rule-strong); border-color: var(--color-action); box-shadow: 0 var(--space-lg) var(--space-2xl) var(--color-shadow); }
.platform-card__badge { position: absolute; inset: var(--space-md) var(--space-md) auto auto; padding: var(--space-2xs) var(--space-sm); border-radius: var(--radius-round); background: var(--color-action); color: var(--color-action-ink); font-size: var(--text-sm); font-weight: 800; }
.platform-card h2 { margin: 0; font-family: var(--font-display); font-size: var(--text-2xl); }
.platform-card p { color: var(--color-ink-2); }
.platform-card ul { margin: var(--space-lg) 0; padding-inline-start: var(--space-lg); }
.platform-card[aria-disabled="true"] { background: var(--color-paper-2); color: var(--color-disabled-ink); }

.steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-xl); counter-reset: install; }
.step { position: relative; padding-top: var(--space-2xl); counter-increment: install; }
.step::before { content: counter(install); position: absolute; inset: 0 auto auto; width: 2.75rem; height: 2.75rem; display: grid; place-items: center; border: var(--rule-strong) solid var(--color-indigo); border-radius: var(--radius-round); font-weight: 900; }
.step:not(:last-child)::after { content: ""; position: absolute; inset: 1.35rem calc(-1 * var(--space-xl)) auto 3.5rem; height: var(--rule-thin); background: var(--color-rule); }
.step h3 { margin: 0; font-size: var(--text-lg); }
.step p { color: var(--color-ink-2); }

.requirements { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-lg); }
.requirements article { padding: var(--space-xl); border-top: var(--space-2xs) solid var(--color-indigo); background: var(--color-paper-2); }
.requirements h3 { margin: 0 0 var(--space-lg); font-family: var(--font-display); font-size: var(--text-xl); }
.spec-list { margin: 0; }
.spec-list div { display: grid; grid-template-columns: minmax(5rem, 0.35fr) minmax(0, 0.65fr); gap: var(--space-md); padding-block: var(--space-sm); border-top: var(--rule-thin) solid var(--color-rule); }
.spec-list dt { color: var(--color-muted); }
.spec-list dd { margin: 0; font-weight: 700; }

.toc { position: sticky; inset-block-start: 6rem; padding: var(--space-lg); border-inline-start: var(--space-2xs) solid var(--color-sakura-strong); background: var(--color-paper-2); }
.toc h2 { margin: 0 0 var(--space-md); font-size: var(--text-md); }
.toc ol { display: grid; gap: var(--space-xs); margin: 0; padding-inline-start: var(--space-lg); }
.toc a { text-decoration: none; }
.guide-layout { display: grid; grid-template-columns: minmax(13rem, 0.28fr) minmax(0, 0.72fr); gap: var(--space-2xl); align-items: start; }
.guide-content { min-width: 0; }
.guide-content article { padding-block: var(--space-xl); border-bottom: var(--rule-thin) solid var(--color-rule); }
.guide-content article:first-child { padding-top: 0; }
.guide-content h2 { margin: 0 0 var(--space-md); overflow-wrap: anywhere; font-family: var(--font-display); font-size: var(--text-2xl); line-height: 1.25; }
.guide-content h3 { margin-top: var(--space-xl); font-size: var(--text-lg); }
.guide-content p,
.guide-content li { max-width: 70ch; }
.guide-cards { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-md); margin-bottom: var(--space-2xl); }
.guide-card { display: flex; flex-direction: column; gap: var(--space-sm); padding: var(--space-lg); border: var(--rule-thin) solid var(--color-rule); border-radius: var(--radius-sm); background: var(--color-paper); text-decoration: none; transition: border-color var(--dur-base) var(--ease-out); }
.guide-card:hover { border-color: var(--color-sakura-strong); }
.guide-card strong { font-family: var(--font-display); font-size: var(--text-lg); }
.guide-card span { color: var(--color-ink-2); }
.callout { margin-block: var(--space-xl); padding: var(--space-lg); border-inline-start: var(--space-2xs) solid var(--color-maple); background: var(--color-paper-2); }

.article-list { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-lg); }
.article-card { min-height: 17rem; display: flex; flex-direction: column; justify-content: space-between; gap: var(--space-lg); padding: var(--space-xl); border-top: var(--space-2xs) solid var(--color-sky); background: var(--color-paper-2); text-decoration: none; }
.article-card:nth-child(2) { border-color: var(--color-sakura-strong); }
.article-card:nth-child(3) { border-color: var(--color-action); }
.article-card h2 { margin: 0; font-family: var(--font-display); font-size: var(--text-xl); }
.article-card p { color: var(--color-ink-2); }
.article-meta { color: var(--color-muted); font-size: var(--text-sm); }

.reveal { opacity: 0; transform: translateY(var(--space-lg)); }
.reveal.is-visible { opacity: 1; transform: translateY(0); transition: opacity var(--dur-slow) var(--ease-out), transform var(--dur-slow) var(--ease-out); }

@keyframes cta-sheen { to { transform: skewX(-18deg) translateX(650%); } }
@keyframes spin { to { transform: rotate(360deg); } }

@media (max-width: 64rem) {
  .nav { grid-template-columns: minmax(0, 1fr) auto auto; }
  .nav__links { display: none; }
  .menu-toggle { display: block; }
  .nav__drawer { position: fixed; inset: 4.5rem var(--space-md) auto; z-index: var(--z-dropdown); display: grid; gap: var(--space-xs); padding: var(--space-md); border: var(--rule-thin) solid var(--color-rule); border-radius: var(--radius-md); background: var(--color-paper); box-shadow: 0 var(--space-lg) var(--space-2xl) var(--color-shadow); opacity: 0; transform: translateY(calc(-1 * var(--space-md))); pointer-events: none; transition: opacity var(--dur-base) var(--ease-out), transform var(--dur-base) var(--ease-out); }
  .nav__drawer.is-open { opacity: 1; transform: translateY(0); pointer-events: auto; }
  .nav__drawer a { min-height: 2.75rem; display: flex; align-items: center; padding-inline: var(--space-sm); border-radius: var(--radius-xs); text-decoration: none; font-weight: 700; white-space: nowrap; }
  .nav__scrim { position: fixed; inset: 4.5rem 0 0; z-index: calc(var(--z-dropdown) - 1); border: 0; background: var(--color-overlay); }
  .key-strip { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .key-strip__brand { grid-column: 1 / -1; }
  .key-strip dl { border-block-start: var(--rule-thin) solid var(--color-rule); }
  .story-grid,
  .media-stage,
  .guide-layout { grid-template-columns: minmax(0, 1fr); }
  .story-figure,
  .toc { position: static; }
  .feature { grid-column: span 6; }
  .feature:nth-child(1), .feature:nth-child(5) { grid-column: span 12; }
  .gallery-card { grid-column: span 6; }
  .gallery-card--wide { grid-column: span 12; }
  .audience-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .audience-card:nth-child(2) { transform: none; }
  .audience-card:nth-child(3) { grid-column: 1 / -1; }
  .article-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 48rem) {
  :root { --content: min(100% - 1.25rem, 46rem); --content-narrow: min(100% - 1.25rem, 46rem); }
  .promo { grid-template-columns: minmax(0, 1fr) auto; }
  .promo p { text-align: left; }
  .btn--nav { display: none; }
  .nav { grid-template-columns: minmax(0, 1fr) auto; min-height: 4rem; }
  .nav__drawer,
  .nav__scrim { inset-block-start: 4rem; }
  .hero { min-height: 44rem; }
  .hero__image { object-position: 58% center; }
  .hero__inner { padding-block: var(--space-xl) calc(var(--space-4xl) + var(--space-md)); }
  .hero__actions { display: none; }
  .dialogue { padding: var(--space-lg); }
  .hero h1,
  .page-hero h1 { font-size: clamp(2.1rem, 11vw, 3.15rem); }
  .hero__metrics { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .metric:nth-child(2) { border: 0; }
  .key-strip { grid-template-columns: minmax(0, 1fr); margin-top: calc(var(--space-lg) * -1); }
  .key-strip dl { border-inline-start: 0; }
  .section { padding-block: var(--space-2xl); }
  .section-head { grid-template-columns: minmax(0, 1fr); gap: var(--space-md); margin-bottom: var(--space-xl); }
  .section-head h2 { font-size: var(--text-2xl); }
  .feature-grid,
  .gallery-grid { grid-template-columns: minmax(0, 1fr); }
  .feature,
  .feature:nth-child(1),
  .feature:nth-child(5),
  .gallery-card,
  .gallery-card--wide { grid-column: auto; min-height: auto; }
  .audience-grid,
  .platform-grid,
  .requirements,
  .guide-cards,
  .article-list,
  .footer__grid { grid-template-columns: minmax(0, 1fr); }
  .audience-card:nth-child(3) { grid-column: auto; }
  .final-cta__inner { grid-template-columns: minmax(0, 1fr); gap: var(--space-xl); }
  .steps { grid-template-columns: minmax(0, 1fr); gap: var(--space-lg); }
  .step { padding: 0 0 0 var(--space-2xl); }
  .step::before { inset: 0 auto auto 0; }
  .step:not(:last-child)::after { inset: 3rem auto calc(-1 * var(--space-lg)) 1.35rem; width: var(--rule-thin); height: auto; }
  .spec-list div { grid-template-columns: minmax(0, 1fr); gap: var(--space-2xs); }
  .timeline::before { inset-inline-start: 0.35rem; }
  .timeline article { grid-template-columns: minmax(0, 1fr); gap: var(--space-xs); padding-inline-start: var(--space-xl); }
  .timeline__body { padding-inline-start: 0; }
  .timeline__body::before { inset-inline-start: calc(var(--space-xl) * -1); }
  .footer__statement { font-size: var(--text-xl); }
  .site-footer { padding-bottom: calc(var(--space-4xl) + env(safe-area-inset-bottom)); }
  .mobile-cta__meta { display: none; }
  .mobile-cta { grid-template-columns: minmax(0, 1fr); transform: translateY(0); }
  .mobile-cta .btn { width: 100%; }
  .back-to-top { inset-inline-end: var(--space-sm); }
  .download-status { inset-inline: var(--space-sm); inset-block-end: 6rem; max-width: none; }
}

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