/* Hallmark · genre: editorial · tone: light-novel book page · anchor: cool sky blue · macrostructure: Photographic · H6 knobs: image=82dvh, text=overlaid-left, caption=plate · theme: custom · vibe: summer-washi-shrine · axes: light/roman-serif/cool-blue · enrichment: E8 verified game still · nav: N6 · footer: Ft4 · pre-emit critique: P5 H5 E5 S5 R5 V5 · contrast: pass (40–41) · slop: pass (42–45) · honest: pass (46) · chrome: pass (47) · tokens: pass (48) · responsive: pass (49) · icons: pass (30) · mobile: pass (34, 49, 50–57) */
@import url("../../tokens.css");

*, *::before, *::after { box-sizing: border-box; }
html, body { overflow-x: clip; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--nav-height) + var(--space-lg)); }
body {
  margin: 0;
  min-width: 20rem;
  padding-block-end: calc(var(--space-3xl) + var(--space-xs));
  background-color: var(--color-paper);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.22;
  background-image: repeating-linear-gradient(0deg, transparent 0, transparent 5px, color-mix(in oklch, var(--color-rule-soft) 22%, transparent) 6px);
}
img, video { display: block; max-width: 100%; }
img { height: auto; }
a { color: inherit; text-decoration-thickness: var(--rule-hair); text-underline-offset: 0.1em; }
button, input, select, textarea { font: inherit; }
button { color: inherit; }
h1, h2, h3, p, ul, ol, dl, dd, blockquote, figure { margin-block: 0; }
h1, h2, h3 {
  min-width: 0;
  overflow-wrap: anywhere;
  color: var(--color-ink-deep);
  font-family: var(--font-display);
  font-style: normal;
  font-weight: 800;
  line-height: 1.14;
  letter-spacing: -0.025em;
}
h1 { font-size: var(--text-display); }
h2 { font-size: clamp(var(--text-xl), 4vw, var(--text-3xl)); }
h3 { font-size: var(--text-lg); }
p, li, dd { max-width: 70ch; }
::selection { background-color: var(--color-lemon); color: var(--color-ink-deep); }

.skip-link {
  position: fixed;
  inset-block-start: var(--space-xs);
  inset-inline-start: var(--space-xs);
  z-index: var(--z-tooltip);
  transform: translateY(-180%);
  padding: var(--space-sm) var(--space-md);
  background-color: var(--color-ink-deep);
  color: var(--color-paper);
}
.skip-link:focus { transform: none; }
:focus-visible { outline: var(--rule-heavy) solid var(--color-focus); outline-offset: var(--space-2xs); }

.site-shell { width: min(100%, var(--page-max)); margin-inline: auto; padding-inline: var(--page-gutter); }
.reading-shell { 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--warm { background-color: var(--color-paper-warm); color: var(--color-ink); }
.section--ink { background-color: var(--color-ink-deep); color: var(--color-paper); }
.section--ink h2, .section--ink h3 { color: var(--color-paper); }
.section-heading { display: grid; gap: var(--space-md); margin-block-end: var(--space-2xl); }
.section-heading p { color: var(--color-ink-soft); font-size: var(--text-md); }
.section--ink .section-heading p { color: var(--color-paper-3); }
.chapter-mark {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  width: fit-content;
  color: var(--color-vermilion);
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.12em;
}
.chapter-mark::before { content: ""; width: 1.75rem; height: var(--rule-heavy); background-color: currentColor; }
.lede { color: var(--color-ink-soft); font-size: var(--text-md); line-height: 1.75; }
.fine { color: var(--color-muted); font-size: var(--text-sm); }
.tabular { font-variant-numeric: tabular-nums; }

.masthead {
  position: fixed;
  inset-block-start: 0;
  inset-inline: 0;
  z-index: var(--z-sticky);
  background-color: color-mix(in oklch, var(--color-paper) 94%, transparent);
  box-shadow: 0 1px 0 color-mix(in oklch, var(--color-ink) 14%, transparent);
}
.masthead__inner { width: min(100%, var(--page-max)); margin-inline: auto; padding: var(--space-xs) var(--page-gutter) var(--space-2xs); }
.masthead__issue { display: none; color: var(--color-muted); font-family: var(--font-display); font-size: var(--text-xs); letter-spacing: 0.12em; text-align: center; }
.masthead__row { display: flex; min-height: 3.75rem; align-items: center; justify-content: space-between; gap: var(--space-md); }
.masthead__brand { display: inline-flex; align-items: center; gap: var(--space-sm); min-height: 2.75rem; text-decoration: none; white-space: nowrap; }
.masthead__brand img { width: 5.2rem; aspect-ratio: 184 / 69; object-fit: contain; }
.masthead__name { font-family: var(--font-display); font-size: var(--text-md); font-weight: 800; }
.masthead__nav { display: none; }
.masthead__nav ul { display: flex; align-items: center; gap: clamp(var(--space-sm), 2vw, var(--space-xl)); padding: 0; list-style: none; }
.masthead__nav a { display: inline-flex; min-height: 2.75rem; align-items: center; line-height: 1; text-decoration: none; white-space: nowrap; }
.masthead__nav a:hover, .masthead__nav a[aria-current="page"] { color: var(--color-vermilion); text-decoration: underline; }
.masthead__rule { height: var(--space-2xs); border: 0; border-block: var(--rule-hair) solid var(--color-rule); margin: 0; }
.nav-toggle {
  display: inline-grid;
  width: 2.75rem;
  height: 2.75rem;
  place-items: center;
  border: var(--rule-hair) solid var(--color-rule);
  border-radius: var(--radius-sm);
  background-color: var(--color-paper);
  cursor: pointer;
}
.nav-toggle svg { width: 1.5rem; height: 1.5rem; }
.mobile-nav { display: none; border-block-start: var(--rule-hair) solid var(--color-rule-soft); padding-block: var(--space-sm); }
.mobile-nav.is-open { display: grid; }
.mobile-nav a { display: flex; min-height: 2.75rem; align-items: center; padding-inline: var(--space-xs); line-height: 1; text-decoration: none; white-space: nowrap; }

.button {
  position: relative;
  display: inline-flex;
  min-height: 3rem;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  padding: var(--space-sm) var(--space-lg);
  border: var(--rule-heavy) solid var(--color-ink-deep);
  border-radius: var(--radius-sm);
  background-color: var(--color-ink-deep);
  color: var(--color-paper);
  cursor: pointer;
  font-weight: 800;
  line-height: 1.2;
  text-align: center;
  text-decoration: none;
  white-space: nowrap;
  transition: background-color var(--dur-short) var(--ease-out), color var(--dur-short) var(--ease-out), transform var(--dur-micro) var(--ease-out);
}
.button--accent { overflow: hidden; border-color: var(--color-lemon); background-color: var(--color-lemon); color: var(--color-accent-ink); }
.button--accent::after {
  content: "";
  position: absolute;
  inset-block: -40%;
  inset-inline-start: -45%;
  width: 30%;
  transform: translateX(-170%) skewX(-18deg);
  background-color: color-mix(in oklch, var(--color-paper) 68%, transparent);
  animation: cta-shine 4.8s var(--ease-in-out) infinite;
  pointer-events: none;
}
.button--ghost { border-color: var(--color-paper); background-color: color-mix(in oklch, var(--color-overlay) 72%, transparent); color: var(--color-paper); }
.button--line { background-color: var(--color-paper); color: var(--color-ink-deep); }
.button[aria-disabled="true"], .button:disabled { opacity: 0.5; cursor: not-allowed; pointer-events: none; }
.button[data-state="loading"]::before { content: ""; width: 1rem; height: 1rem; border: var(--rule-heavy) solid currentColor; border-inline-end-color: transparent; border-radius: 50%; animation: spin 0.8s linear infinite; }
.button[data-state="error"] { border-color: var(--color-error); background-color: var(--color-paper); color: var(--color-error); }
.button[data-state="success"] { border-color: var(--color-success); background-color: var(--color-paper); color: var(--color-success); }

.hero {
  position: relative;
  min-height: clamp(38rem, 82dvh, 56rem);
  margin-block-start: var(--nav-height);
  isolation: isolate;
  display: flex;
  align-items: flex-end;
  background-color: var(--color-overlay);
  color: var(--color-paper);
}
.hero__image { position: absolute; inset: 0; z-index: -2; width: 100%; height: 100%; object-fit: cover; object-position: 58% center; }
.hero::after { content: ""; position: absolute; inset: 0; z-index: -1; background-image: linear-gradient(90deg, color-mix(in oklch, var(--color-overlay) 94%, transparent), color-mix(in oklch, var(--color-overlay-soft) 25%, transparent)); }
.hero__body { width: min(100%, var(--page-max)); margin-inline: auto; padding: var(--space-2xl) var(--page-gutter) var(--space-3xl); }
.hero__copy { display: grid; gap: var(--space-lg); max-width: 46rem; }
.hero__logo { width: min(18rem, 66vw); aspect-ratio: 460 / 215; object-fit: contain; object-position: left center; filter: contrast(1.06); }
.hero h1 { color: var(--color-paper); }
.hero h1 small { display: block; margin-block-start: var(--space-xs); color: var(--color-lemon); font-family: var(--font-body); font-size: clamp(var(--text-sm), 2vw, var(--text-md)); font-weight: 700; letter-spacing: 0.13em; }
.hero__lede { color: var(--color-paper-2); font-size: var(--text-md); line-height: 1.65; }
.hero__tags, .hero__actions { display: flex; flex-wrap: wrap; gap: var(--space-sm); padding: 0; list-style: none; }
.tag { display: inline-flex; min-height: 2rem; align-items: center; padding-inline: var(--space-sm); border: var(--rule-hair) solid color-mix(in oklch, var(--color-paper) 55%, transparent); background-color: color-mix(in oklch, var(--color-overlay) 62%, transparent); color: var(--color-paper); font-size: var(--text-sm); white-space: nowrap; }
.hero__caption { display: none; position: absolute; inset-inline-end: var(--page-gutter); inset-block-end: var(--space-md); color: var(--color-paper-2); font-size: var(--text-xs); letter-spacing: 0.08em; writing-mode: vertical-rl; }
.hero--inner { min-height: clamp(26rem, 58dvh, 38rem); }

.info-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); border-block: var(--rule-hair) solid var(--color-rule); }
.info-grid > div { min-width: 0; padding: var(--space-lg) var(--space-md); border-block-end: var(--rule-hair) solid var(--color-rule-soft); }
.info-grid dt { color: var(--color-muted); font-size: var(--text-sm); }
.info-grid dd { margin-block-start: var(--space-xs); color: var(--color-ink-deep); font-family: var(--font-display); font-size: var(--text-md); font-weight: 700; overflow-wrap: anywhere; }

.story-spread { display: grid; gap: var(--space-2xl); }
.story-spread__text { display: grid; gap: var(--space-lg); align-content: center; }
.story-spread__text p:first-of-type::first-letter { float: inline-start; margin-inline-end: var(--space-xs); color: var(--color-vermilion); font-family: var(--font-display); font-size: 4.2rem; font-weight: 800; line-height: 0.82; }
.story-spread figure { position: relative; }
.story-spread figure::before { content: ""; position: absolute; inset-block: var(--space-lg); inset-inline-start: calc(-1 * var(--space-md)); width: var(--space-2xs); background-color: var(--color-vermilion); }
.story-spread img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }
.figcaption { margin-block-start: var(--space-xs); color: var(--color-muted); font-size: var(--text-sm); }

.feature-ledger { display: grid; gap: 0; border-block-start: var(--rule-heavy) solid var(--color-ink); }
.feature {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-sm);
  padding-block: var(--space-xl);
  border-block-end: var(--rule-hair) solid var(--color-rule);
  transition: transform var(--dur-short) var(--ease-out), background-color var(--dur-short) var(--ease-out);
}
.feature__index { color: var(--color-vermilion); font-variant-numeric: tabular-nums; font-weight: 800; }
.feature p { color: var(--color-ink-soft); }

.gallery-strip { display: grid; grid-template-columns: minmax(0, 1fr); gap: var(--space-md); }
.gallery-item { min-width: 0; padding: 0; border: 0; background: transparent; cursor: zoom-in; text-align: start; }
.gallery-item img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; transition: transform var(--dur-short) var(--ease-out), filter var(--dur-short) var(--ease-out); }
.gallery-item span { display: block; padding-block-start: var(--space-xs); color: var(--color-ink-soft); font-size: var(--text-sm); }
.gallery-item[hidden] { display: none; }
.gallery-filters { display: flex; flex-wrap: wrap; gap: var(--space-xs); margin-block-end: var(--space-xl); }
.filter-button { min-height: 2.75rem; padding-inline: var(--space-md); border: var(--rule-hair) solid var(--color-rule); border-radius: var(--radius-sm); background-color: var(--color-paper); color: var(--color-ink); cursor: pointer; white-space: nowrap; }
.filter-button[aria-pressed="true"] { border-color: var(--color-ink-deep); background-color: var(--color-ink-deep); color: var(--color-paper); }
.filter-button:disabled, .filter-button[aria-disabled="true"] { opacity: 0.5; cursor: not-allowed; }
.filter-button[data-state="loading"] { color: var(--color-muted); }
.filter-button[data-state="error"] { border-color: var(--color-error); color: var(--color-error); }
.filter-button[data-state="success"] { border-color: var(--color-success); color: var(--color-success); }

.download-spread { display: grid; gap: var(--space-2xl); align-items: center; }
.download-spread__copy { display: grid; gap: var(--space-lg); }
.download-meta { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-lg); }
.download-meta strong { display: block; color: var(--color-lemon); font-family: var(--font-display); font-size: var(--text-xl); }
.download-meta span { color: var(--color-paper-3); font-size: var(--text-sm); }
.download-panel { padding: var(--space-xl); background-color: var(--color-paper-warm); color: var(--color-ink); }
.download-panel h3 { margin-block-end: var(--space-lg); }
.check-list { display: grid; gap: var(--space-sm); padding: 0; list-style: none; }
.check-list li { position: relative; padding-inline-start: var(--space-lg); }
.check-list li::before { content: ""; position: absolute; inset-inline-start: 0; inset-block-start: 0.7em; width: 0.55rem; height: var(--rule-heavy); background-color: var(--color-vermilion); }

.timeline { display: grid; gap: 0; }
.timeline details { border-block-start: var(--rule-hair) solid var(--color-rule); }
.timeline details:last-child { border-block-end: var(--rule-hair) solid var(--color-rule); }
.timeline summary { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; gap: var(--space-md); align-items: center; min-height: 4.25rem; cursor: pointer; list-style: none; }
.timeline summary::-webkit-details-marker { display: none; }
.timeline time { color: var(--color-vermilion); font-variant-numeric: tabular-nums; }
.details-icon { font-size: var(--text-lg); transition: transform var(--dur-short) var(--ease-in-out); }
.timeline details[open] .details-icon { transform: rotate(45deg); }
.details-body { display: grid; grid-template-rows: minmax(0, 1fr); padding: 0 var(--space-xl) var(--space-lg) calc(var(--space-xl) + var(--space-3xl)); color: var(--color-ink-soft); }

.review-summary { display: grid; gap: var(--space-xl); }
.review-summary--no-score { grid-template-columns: minmax(0, 1fr); }
.review-score { border-block: var(--rule-heavy) solid var(--color-ink); padding-block: var(--space-lg); }
.review-score strong { display: block; font-family: var(--font-display); font-size: clamp(var(--text-3xl), 8vw, 5.2rem); font-variant-numeric: tabular-nums; line-height: 1; }
.review-grid { display: grid; gap: var(--space-xl); }
.review-card { display: grid; gap: var(--space-md); min-width: 0; padding-block-start: var(--space-md); border-block-start: var(--rule-hair) solid var(--color-rule); }
.review-card blockquote { color: var(--color-ink-deep); font-family: var(--font-display); font-size: var(--text-md); line-height: 1.6; }
.review-card cite { color: var(--color-muted); font-style: normal; }

.faq { border-block-start: var(--rule-heavy) solid var(--color-ink); }
.faq details { border-block-end: var(--rule-hair) solid var(--color-rule); }
.faq summary { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: var(--space-md); align-items: center; min-height: 4.5rem; cursor: pointer; font-family: var(--font-display); font-size: var(--text-md); font-weight: 700; list-style: none; }
.faq summary::-webkit-details-marker { display: none; }
.faq__body { padding: 0 var(--space-xl) var(--space-lg) 0; color: var(--color-ink-soft); }
.faq details[open] .details-icon { transform: rotate(45deg); }

.final-cta { position: relative; overflow: clip; padding-block: var(--space-4xl); background-color: var(--color-violet); color: var(--color-paper); }
.final-cta::before { content: ""; position: absolute; inset-block-start: var(--space-xl); inset-inline-end: -2rem; width: 9rem; aspect-ratio: 1; border: var(--rule-heavy) solid color-mix(in oklch, var(--color-paper) 24%, transparent); border-radius: 50% 50% 48% 52%; }
.final-cta h2 { max-width: 16ch; color: var(--color-paper); }
.final-cta__inner { position: relative; display: grid; gap: var(--space-xl); }
.final-cta__copy { display: grid; gap: var(--space-md); }
.final-cta__copy p { color: var(--color-paper-3); font-size: var(--text-md); }

.platform-grid, .guide-index { display: grid; grid-template-columns: minmax(0, 1fr); gap: var(--space-lg); }
.platform-card, .guide-card { min-width: 0; padding: var(--space-xl); border: var(--rule-hair) solid var(--color-rule); background-color: var(--color-paper); }
.platform-card[data-recommended="true"] { border-block-start: var(--space-2xs) solid var(--color-vermilion); }
.platform-card__label { color: var(--color-vermilion); font-size: var(--text-sm); font-weight: 800; }
.platform-card h3, .guide-card h3 { margin-block: var(--space-sm); }
.platform-card p, .guide-card p { color: var(--color-ink-soft); }
.platform-card .button, .guide-card .button { margin-block-start: var(--space-lg); }
.steps { display: grid; gap: var(--space-xl); counter-reset: install; }
.step { position: relative; display: grid; grid-template-columns: auto minmax(0, 1fr); gap: var(--space-lg); counter-increment: install; }
.step::before { content: counter(install, decimal-leading-zero); display: grid; width: 3rem; height: 3rem; place-items: center; background-color: var(--color-lemon); color: var(--color-ink-deep); font-family: var(--font-display); font-weight: 800; }
.step p { color: var(--color-ink-soft); }

.requirements { display: grid; grid-template-columns: minmax(0, 1fr); border-block-start: var(--rule-heavy) solid var(--color-ink); }
.requirements article { padding-block: var(--space-xl); border-block-end: var(--rule-hair) solid var(--color-rule); }
.requirements dl { display: grid; gap: var(--space-md); margin-block-start: var(--space-lg); }
.requirements dl div { display: grid; grid-template-columns: 6.5rem minmax(0, 1fr); gap: var(--space-md); }
.requirements dt { color: var(--color-muted); }
.requirements dd { color: var(--color-ink-deep); overflow-wrap: anywhere; }

.guide-layout { display: grid; gap: var(--space-2xl); }
.guide-toc { align-self: start; border-block: var(--rule-hair) solid var(--color-rule); padding-block: var(--space-md); }
.guide-toc strong { display: block; margin-block-end: var(--space-sm); font-family: var(--font-display); }
.guide-toc ol { display: grid; gap: var(--space-xs); padding-inline-start: var(--space-lg); }
.guide-toc a { white-space: normal; }
.guide-content { display: grid; gap: var(--space-3xl); }
.guide-content article { display: grid; gap: var(--space-lg); scroll-margin-top: calc(var(--nav-height) + var(--space-lg)); }
.guide-content ul, .guide-content ol { display: grid; gap: var(--space-sm); padding-inline-start: var(--space-xl); }
.note { padding: var(--space-lg); border-block-start: var(--space-2xs) solid var(--color-vermilion); background-color: var(--color-paper-warm); }
.route-table { width: 100%; border-collapse: collapse; }
.route-table th, .route-table td { padding: var(--space-sm); border-block-end: var(--rule-hair) solid var(--color-rule); text-align: start; vertical-align: top; }
.route-table th { color: var(--color-ink-deep); font-family: var(--font-display); }

.lightbox { position: fixed; inset: 0; width: min(94%, 90rem); height: fit-content; max-height: 92dvh; margin: auto; padding: 0; border: 0; background-color: transparent; color: var(--color-paper); overflow: visible; }
.lightbox::backdrop { background-color: color-mix(in oklch, var(--color-overlay) 92%, transparent); }
.lightbox__figure { display: grid; gap: var(--space-sm); }
.lightbox__image { width: 100%; max-height: 80dvh; object-fit: contain; }
.lightbox__caption { max-width: 70ch; color: var(--color-paper); }
.icon-button { display: grid; width: 2.75rem; height: 2.75rem; place-items: center; border: var(--rule-hair) solid var(--color-paper); border-radius: var(--radius-sm); background-color: var(--color-overlay); color: var(--color-paper); cursor: pointer; }
.lightbox__close { position: absolute; inset-block-start: calc(-1 * var(--space-2xl)); inset-inline-end: 0; }
.lightbox__prev, .lightbox__next { position: absolute; inset-block-start: 50%; transform: translateY(-50%); }
.lightbox__prev { inset-inline-start: var(--space-sm); }
.lightbox__next { inset-inline-end: var(--space-sm); }
.icon-button:disabled, .icon-button[aria-disabled="true"] { opacity: 0.5; cursor: not-allowed; }
.icon-button[data-state="error"] { border-color: var(--color-error); color: var(--color-error); }
.icon-button[data-state="success"] { border-color: var(--color-success); color: var(--color-success); }

.sticky-download { position: fixed; inset-inline: 0; inset-block-end: 0; z-index: var(--z-sticky); border-block-start: var(--rule-hair) solid var(--color-rule); background-color: var(--color-paper); color: var(--color-ink); box-shadow: 0 -1px 8px color-mix(in oklch, var(--color-shadow) 12%, transparent); }
.sticky-download__inner { width: min(100%, var(--page-max)); min-height: 4.75rem; margin-inline: auto; padding: var(--space-xs) var(--page-gutter); display: flex; align-items: center; justify-content: space-between; gap: var(--space-md); }
.sticky-download__copy { min-width: 0; }
.sticky-download__copy strong { display: block; color: var(--color-ink-deep); font-family: var(--font-display); }
.sticky-download__copy span { display: none; color: var(--color-muted); font-size: var(--text-sm); }

.site-footer { padding-block: var(--space-3xl) calc(var(--space-3xl) + var(--space-xl)); background-color: var(--color-ink-deep); color: var(--color-paper); }
.site-footer__brand { color: var(--color-paper); font-family: var(--font-display); font-size: var(--text-2xl); font-weight: 800; }
.site-footer__grid { display: grid; gap: var(--space-2xl); }
.site-footer__copy { display: grid; gap: var(--space-md); }
.site-footer__copy p { color: var(--color-paper-3); }
.site-footer__links { display: flex; flex-wrap: wrap; gap: var(--space-sm) var(--space-lg); }
.site-footer__links a { min-height: 2.75rem; display: inline-flex; align-items: center; line-height: 1; white-space: nowrap; }
.site-footer__related { display: grid; grid-template-columns: minmax(0, 1fr); gap: var(--space-xs) var(--space-lg); }
.site-footer__related a { min-height: 2.75rem; display: inline-flex; align-items: center; color: var(--color-paper-2); font-size: var(--text-sm); line-height: 1; text-decoration: none; white-space: nowrap; }
.colophon { margin-block-start: var(--space-2xl); padding-block-start: var(--space-lg); border-block-start: var(--rule-hair) solid color-mix(in oklch, var(--color-paper) 22%, transparent); color: var(--color-paper-3); font-size: var(--text-sm); }

.back-to-top { position: fixed; inset-inline-end: var(--space-md); inset-block-end: 6.2rem; z-index: var(--z-sticky); display: grid; width: 2.75rem; height: 2.75rem; place-items: center; border: var(--rule-hair) solid var(--color-rule); border-radius: 50%; background-color: var(--color-paper); color: var(--color-ink-deep); cursor: pointer; opacity: 0; pointer-events: none; transform: translateY(var(--space-xs)); transition: opacity var(--dur-short) var(--ease-out), transform var(--dur-short) var(--ease-out); }
.back-to-top.is-visible { opacity: 1; pointer-events: auto; transform: none; }

@keyframes cta-shine { 0%, 68% { transform: translateX(-170%) skewX(-18deg); } 100% { transform: translateX(560%) skewX(-18deg); } }
@keyframes spin { to { transform: rotate(360deg); } }

@media (hover: hover) and (pointer: fine) {
  .button:hover { transform: translateY(-1px); }
  .nav-toggle:hover, .filter-button:hover { background-color: var(--color-paper-2); }
  .feature:hover { transform: translateX(var(--space-xs)); }
  .gallery-item:hover img, .gallery-item:focus-visible img { transform: scale(1.012); }
  .site-footer__related a:hover { color: var(--color-lemon); }
  .icon-button:hover { border-color: var(--color-lemon); }
}
.button:active, .nav-toggle:active, .filter-button:active, .icon-button:active, .gallery-item:active { transform: translateY(1px); }
.gallery-item:disabled, .gallery-item[aria-disabled="true"] { opacity: 0.5; cursor: not-allowed; pointer-events: none; }

@media (max-width: 24.99rem) {
  .masthead__name { display: none; }
}

@media (min-width: 40rem) {
  :root { --nav-height: 6.5rem; }
  .masthead__issue { display: block; }
  .masthead__row { min-height: 3.25rem; }
  .masthead__brand img { width: 6rem; }
  .info-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .info-grid > div { border-inline-end: var(--rule-hair) solid var(--color-rule-soft); }
  .gallery-strip { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .platform-grid, .guide-index { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .review-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .site-footer__related { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .sticky-download__copy span { display: block; }
}

@media (min-width: 60rem) {
  .masthead__inner { padding-block-start: var(--space-2xs); }
  .masthead__row { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; }
  .masthead__nav { display: block; justify-self: center; }
  .nav-toggle, .mobile-nav { display: none !important; }
  .hero__image { object-position: center; }
  .hero__copy { padding-inline-start: clamp(0rem, 6vw, calc(var(--space-3xl) + var(--space-md))); }
  .hero__caption { display: block; inset-block-end: var(--space-xl); }
  .info-grid { grid-template-columns: repeat(6, minmax(0, 1fr)); }
  .story-spread { grid-template-columns: minmax(0, 4fr) minmax(0, 6fr); align-items: center; }
  .feature { grid-template-columns: 5rem minmax(12rem, 0.7fr) minmax(0, 1.3fr); gap: var(--space-xl); align-items: baseline; }
  .gallery-strip { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .gallery-strip .gallery-item:first-child { grid-column: span 2; }
  .download-spread { grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr); }
  .review-summary { grid-template-columns: minmax(14rem, 0.7fr) minmax(0, 2fr); }
  .review-summary--no-score { grid-template-columns: minmax(0, 1fr); }
  .requirements { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .requirements article { padding-inline: var(--space-xl); border-inline-end: var(--rule-hair) solid var(--color-rule); }
  .guide-layout { grid-template-columns: minmax(12rem, 0.3fr) minmax(0, 1fr); }
  .guide-toc { position: sticky; inset-block-start: calc(var(--nav-height) + var(--space-xl)); }
  .site-footer__grid { grid-template-columns: minmax(18rem, 0.7fr) minmax(0, 1.3fr); }
  .site-footer__related { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .final-cta__inner { grid-template-columns: minmax(0, 1fr) auto; align-items: end; }
}

@media (min-width: 90rem) {
  .gallery-strip { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .hero__copy { padding-inline-start: var(--space-4xl); }
}

@media (pointer: coarse) {
  .button, .filter-button, .nav-toggle, .icon-button { 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; }
  .button--accent::after { display: none; }
}

@media print {
  .masthead, .sticky-download, .back-to-top, .hero__actions, .gallery-filters { display: none !important; }
  body { padding: 0; background: var(--color-paper); color: var(--color-ink); }
  .hero { min-height: auto; margin: 0; color: var(--color-ink); }
  .hero__image, .hero::after { display: none; }
  .hero h1 { color: var(--color-ink); }
}