/* Hallmark · macrostructure: Workbench · tone: atmospheric · anchor hue: ember amber
 * theme: Lumen · nav: N5 Floating pill · footer: Ft5 Statement · H2 split + F5 frames
 * inferred audience: ACG players · use: compare, read, download · reveal: fade-up · pre-emit critique: P5 H5 E5 S5 R4 V5
 */
@import url("../../tokens.css");

:where(*, *::before, *::after) { box-sizing: border-box; }
html, body { overflow-x: clip; scroll-behavior: smooth; }
html { background: var(--color-paper); color-scheme: dark; }
body {
  min-width: 320px;
  margin: 0;
  background: var(--color-paper);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: var(--text-md);
  line-height: 1.75;
  text-rendering: optimizeLegibility;
}
body::before,
body::after {
  position: fixed;
  inset: 0;
  z-index: -2;
  content: "";
  pointer-events: none;
}
body::before {
  background: radial-gradient(circle at 12% 2%, var(--color-bloom), transparent 32%), radial-gradient(circle at 92% 26%, var(--color-bloom-2), transparent 26%);
  opacity: 0.7;
}
body::after {
  z-index: -1;
  background: linear-gradient(180deg, transparent 0%, var(--color-paper) 42rem, var(--color-paper) 100%);
  opacity: 0.58;
}
a { color: inherit; text-decoration: none; }
button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; }
img { display: block; max-width: 100%; }
figure, p, h1, h2, h3, ul, ol, dl { margin: 0; }
h1, h2, h3 { min-width: 0; overflow-wrap: anywhere; font-family: var(--font-display); font-style: normal; font-weight: 600; line-height: 1.08; }
h1 { font-size: var(--text-display); letter-spacing: -0.055em; }
h2 { font-size: var(--text-2xl); letter-spacing: -0.03em; }
h3 { font-size: var(--text-xl); letter-spacing: -0.02em; }
ul, ol { padding-inline-start: 1.25rem; }
::selection { background: var(--color-accent); color: var(--color-accent-ink); }

.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.page-shell { position: relative; isolation: isolate; }
.section-wrap { width: min(100% - (var(--page-gutter) * 2), var(--content-max)); margin-inline: auto; }
.section-kicker, .eyebrow, .tour-index, .footer-label, .platform-top span, .note-card > span, .article-query { color: var(--color-accent); font-family: var(--font-mono); font-size: var(--text-xs); font-weight: 700; letter-spacing: 0.11em; line-height: 1.5; text-transform: uppercase; }
.section-heading { display: grid; gap: var(--space-sm); max-width: 44rem; margin-block-end: var(--space-2xl); }
.section-heading h2 { max-width: 18ch; }
.section-heading > p:last-child { max-width: 58ch; color: var(--color-muted); }
.section-heading.compact { margin-block-end: var(--space-xl); }
.unverified { color: var(--color-faint); }
.source-line { color: var(--color-faint); font-size: var(--text-sm); }

.site-header { position: fixed; inset: var(--space-md) 0 auto; z-index: var(--z-sticky-nav); display: flex; justify-content: center; padding-inline: var(--page-gutter); pointer-events: none; }
.nav-pill { width: min(100%, 58rem); min-height: 3.5rem; display: grid; grid-template-columns: auto 1fr auto auto; align-items: center; gap: var(--space-md); padding: 0.5rem 0.6rem 0.5rem 0.7rem; border: var(--rule-hair) solid var(--color-rule); border-radius: var(--radius-pill); background: color-mix(in oklch, var(--color-paper-2) 86%, transparent); box-shadow: var(--shadow-nav); backdrop-filter: blur(1rem) saturate(125%); pointer-events: auto; }
.wordmark { display: inline-flex; align-items: center; gap: var(--space-xs); min-width: 0; white-space: nowrap; font-size: var(--text-sm); letter-spacing: -0.015em; }
.wordmark b { color: var(--color-ink-2); font-weight: 600; }
.wordmark-mark { width: 2rem; height: 2rem; display: grid; place-items: center; flex: 0 0 auto; overflow: clip; border: 1px solid var(--color-accent-soft); border-radius: 50%; color: var(--color-accent); font-family: var(--font-display); font-size: 1.1rem; line-height: 1; }
.wordmark-mark img { width: 100%; height: 100%; object-fit: cover; }
.nav-links { display: flex; justify-content: center; gap: var(--space-xs); min-width: 0; }
.nav-link, .nav-download, .guide-tab, .filter-tab { min-height: 2.5rem; display: inline-flex; align-items: center; justify-content: center; white-space: nowrap; }
.nav-link { padding: 0.45rem 0.65rem; border-radius: var(--radius-pill); color: var(--color-muted); font-size: var(--text-sm); transition: color var(--dur-fast) var(--ease-out), background-color var(--dur-fast) var(--ease-out), transform var(--dur-fast) var(--ease-out); }
.nav-link.is-active { background: var(--color-paper-4); color: var(--color-ink); }
.nav-download { min-height: 2.5rem; padding: 0.55rem 0.95rem; border-radius: var(--radius-pill); background: var(--color-accent); color: var(--color-accent-ink); font-size: var(--text-sm); font-weight: 700; transition: transform var(--dur-fast) var(--ease-out), box-shadow var(--dur-fast) var(--ease-out), background-color var(--dur-fast) var(--ease-out); }
.menu-toggle { display: none; width: 2.5rem; height: 2.5rem; align-items: center; justify-content: center; flex-direction: column; gap: 0.24rem; border: 1px solid var(--color-rule); border-radius: var(--radius-pill); background: var(--color-paper-3); color: var(--color-ink); cursor: pointer; }
.menu-toggle > span:not(.sr-only) { width: 0.9rem; height: 1px; background: currentColor; }

.hero-section { min-height: min(52rem, 100svh); display: grid; grid-template-columns: minmax(0, 0.88fr) minmax(0, 1.12fr); align-items: center; gap: clamp(2rem, 6vw, 6rem); width: min(100% - (var(--page-gutter) * 2), 90rem); margin: 0 auto; padding: 9rem var(--page-gutter) 8rem; }
.hero-copy { position: relative; z-index: 1; display: grid; gap: var(--space-lg); max-width: 36rem; }
.hero-copy h1 { max-width: 9ch; font-size: clamp(3.75rem, 8vw, 8.5rem); }
.hero-copy h1 span, .inner-hero h1 span { display: block; color: var(--color-accent); font-family: var(--font-body); font-size: 0.42em; font-weight: 500; letter-spacing: 0.08em; line-height: 1.2; text-transform: uppercase; }
.hero-lede { max-width: 30rem; color: var(--color-ink-2); font-size: clamp(1.05rem, 1.7vw, 1.28rem); line-height: 1.7; }
.hero-facts { display: flex; flex-wrap: wrap; gap: var(--space-xs); }
.hero-facts span { padding: 0.3rem 0.65rem; border: 1px solid var(--color-rule); border-radius: var(--radius-pill); color: var(--color-muted); font-family: var(--font-mono); font-size: var(--text-xs); }
.hero-actions, .final-actions { display: flex; flex-wrap: wrap; gap: var(--space-sm); align-items: center; }
.hero-note { color: var(--color-faint); font-size: var(--text-xs); }
.hero-visual { position: relative; align-self: stretch; min-height: 23rem; display: grid; align-items: end; overflow: clip; border-radius: var(--radius-lg); background: var(--color-paper-3); box-shadow: var(--shadow-panel); }
.hero-visual::after { position: absolute; inset: 0; content: ""; background: linear-gradient(180deg, transparent 44%, var(--color-overlay)); pointer-events: none; }
.hero-visual img { width: 100%; height: 100%; min-height: 23rem; object-fit: cover; object-position: center; }
.hero-visual figcaption { position: absolute; right: var(--space-lg); bottom: var(--space-lg); left: var(--space-lg); z-index: 1; display: flex; justify-content: space-between; gap: var(--space-md); align-items: end; color: var(--color-ink); }
.hero-visual figcaption span { color: var(--color-accent); font-family: var(--font-mono); font-size: var(--text-xs); }
.hero-visual figcaption strong { max-width: 18ch; font-family: var(--font-display); font-size: var(--text-lg); font-weight: 600; line-height: 1.2; text-align: right; }

.button { min-height: 3rem; display: inline-flex; align-items: center; justify-content: center; gap: var(--space-xs); padding: 0.75rem 1.15rem; border: 1px solid transparent; border-radius: var(--radius-pill); white-space: nowrap; font-size: var(--text-sm); font-weight: 700; cursor: pointer; transition: transform var(--dur-fast) var(--ease-out), box-shadow var(--dur-fast) var(--ease-out), background-color var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out), border-color var(--dur-fast) var(--ease-out); }
.button-accent { position: relative; overflow: clip; background: var(--color-accent); color: var(--color-accent-ink); box-shadow: var(--shadow-glow); }
.button-accent::after { position: absolute; inset: 0 auto 0 -40%; width: 24%; content: ""; transform: skewX(-20deg); background: color-mix(in oklch, var(--color-ink) 50%, transparent); opacity: 0; transition: transform var(--dur-slow) var(--ease-out), opacity var(--dur-fast) var(--ease-out); }
.button-outline { border-color: var(--color-rule); background: transparent; color: var(--color-ink-2); }
.button-small { min-height: 2.5rem; padding-block: 0.5rem; font-size: var(--text-xs); }
.button:focus-visible, .nav-link:focus-visible, .nav-download:focus-visible, .wordmark:focus-visible, .text-link:focus-visible, .guide-tab:focus-visible, .filter-tab:focus-visible, .menu-toggle:focus-visible, .faq-question:focus-visible, .image-trigger:focus-visible, .icon-button:focus-visible, .lightbox-arrow:focus-visible { outline: 2px solid var(--color-focus); outline-offset: 3px; }
.button:active, .nav-download:active, .nav-link:active, .filter-tab:active, .guide-tab:active, .faq-question:active { transform: translateY(1px); }
.button[aria-disabled="true"], .button:disabled { opacity: 0.5; cursor: not-allowed; }
.button[data-state="loading"] { cursor: progress; }
.button[data-state="loading"]::before { width: 0.8rem; height: 0.8rem; content: ""; border: 2px solid currentColor; border-right-color: transparent; border-radius: 50%; animation: spin 700ms linear infinite; }
.button[data-state="error"] { border-color: var(--color-error); background: var(--color-paper-3); color: var(--color-error); }
.button[data-state="success"] { border-color: var(--color-success); background: var(--color-paper-3); color: var(--color-success); }
@media (hover: hover) and (pointer: fine) {
  .button-accent:hover { transform: translateY(-2px); box-shadow: 0 1.1rem 2.4rem -1.25rem var(--color-accent); }
  .button-accent:hover::after { transform: translateX(500%) skewX(-20deg); opacity: 0.56; }
  .button-outline:hover { border-color: var(--color-accent-soft); background: var(--color-paper-3); color: var(--color-accent); transform: translateY(-2px); }
  .nav-link:hover { background: var(--color-paper-3); color: var(--color-ink); transform: translateY(-1px); }
  .nav-download:hover { transform: translateY(-1px); box-shadow: var(--shadow-glow); }
}
@keyframes spin { to { transform: rotate(360deg); } }

.info-rail { width: min(100% - (var(--page-gutter) * 2), 90rem); display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); margin: 0 auto; border-block: 1px solid var(--color-rule); }
.info-rail > div { min-width: 0; display: grid; gap: var(--space-xs); padding: var(--space-lg) var(--space-md); border-inline-end: 1px solid var(--color-rule); }
.info-rail > div:last-child { border-inline-end: 0; }
.info-rail span { color: var(--color-faint); font-family: var(--font-mono); font-size: var(--text-xs); }
.info-rail strong { min-width: 0; color: var(--color-ink-2); font-size: var(--text-sm); overflow-wrap: anywhere; }

.story-section, .workbench-section, .feature-section, .gallery-section, .updates-section, .players-section, .faq-section, .article-hub { padding-block: var(--space-4xl); }
.story-columns { display: grid; grid-template-columns: minmax(0, 1fr) minmax(14rem, 0.42fr); gap: clamp(2rem, 7vw, 7rem); align-items: start; }
.story-main { display: grid; gap: var(--space-lg); max-width: 42rem; color: var(--color-ink-2); font-size: var(--text-lg); line-height: 1.95; }
.story-aside { position: sticky; top: 7rem; display: grid; gap: var(--space-sm); padding: var(--space-lg); border: 1px solid var(--color-rule); border-radius: var(--radius-md); background: var(--color-paper-2); box-shadow: var(--shadow-panel); }
.story-aside > span { color: var(--color-accent); font-family: var(--font-mono); font-size: var(--text-xs); letter-spacing: 0.12em; }
.story-aside strong { font-family: var(--font-display); font-size: var(--text-2xl); line-height: 1.15; }
.story-aside a, .text-link { width: fit-content; border-bottom: 1px solid var(--color-accent-soft); color: var(--color-accent); font-size: var(--text-sm); transition: color var(--dur-fast) var(--ease-out), border-color var(--dur-fast) var(--ease-out), transform var(--dur-fast) var(--ease-out); }
@media (hover: hover) and (pointer: fine) { .story-aside a:hover, .text-link:hover { border-color: var(--color-accent); color: var(--color-ink); transform: translateX(3px); } }

.tour-list { display: grid; gap: var(--space-4xl); }
.tour-row { display: grid; grid-template-columns: minmax(0, 0.72fr) minmax(0, 1.28fr); gap: clamp(1.5rem, 6vw, 6rem); align-items: center; }
.tour-row-reverse { grid-template-columns: minmax(0, 1.28fr) minmax(0, 0.72fr); }
.tour-row-reverse .tour-copy { order: 2; }
.tour-row-reverse .tour-frame { order: 1; }
.tour-copy { display: grid; gap: var(--space-md); max-width: 28rem; }
.tour-copy h3 { max-width: 12ch; }
.tour-copy p:not(.tour-index) { color: var(--color-muted); }
.tour-index { color: var(--color-accent); }
.tour-frame { overflow: clip; border: 1px solid var(--color-rule); border-radius: var(--radius-md); background: var(--color-paper-2); box-shadow: var(--shadow-panel); }
.tour-frame img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }
.tour-frame figcaption { display: flex; justify-content: space-between; gap: var(--space-md); padding: var(--space-sm) var(--space-md); color: var(--color-muted); font-family: var(--font-mono); font-size: var(--text-xs); }

.feature-grid { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 1px; border-block: 1px solid var(--color-rule); background: var(--color-rule); }
.feature-grid article { min-width: 0; min-height: 15rem; display: grid; align-content: space-between; gap: var(--space-md); padding: var(--space-lg); background: var(--color-paper-2); transition: transform var(--dur-base) var(--ease-out), background-color var(--dur-base) var(--ease-out), box-shadow var(--dur-base) var(--ease-out); }
.feature-grid article > span { color: var(--color-accent); font-family: var(--font-mono); font-size: var(--text-xs); }
.feature-grid article p { color: var(--color-muted); font-size: var(--text-sm); }
@media (hover: hover) and (pointer: fine) { .feature-grid article:hover { position: relative; z-index: 1; transform: translateY(-4px); background: var(--color-paper-3); box-shadow: 0 1.2rem 2rem -1.5rem var(--color-accent); } }

.gallery-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-md); }
.image-card { min-width: 0; display: grid; gap: var(--space-sm); }
.image-trigger { position: relative; display: block; width: 100%; padding: 0; overflow: clip; border: 1px solid var(--color-rule); border-radius: var(--radius-md); background: var(--color-paper-2); color: inherit; cursor: pointer; }
.image-trigger img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; transition: transform var(--dur-slow) var(--ease-out), filter var(--dur-base) var(--ease-out); }
.image-overlay { position: absolute; right: var(--space-sm); bottom: var(--space-sm); padding: 0.3rem 0.6rem; border: 1px solid var(--color-ink); border-radius: var(--radius-pill); background: var(--color-overlay); color: var(--color-ink); font-family: var(--font-mono); font-size: var(--text-xs); opacity: 0; transform: translateY(0.4rem); transition: opacity var(--dur-base) var(--ease-out), transform var(--dur-base) var(--ease-out); }
.image-card figcaption { display: grid; gap: 0.1rem; }
.image-card figcaption span { color: var(--color-accent); font-family: var(--font-mono); font-size: var(--text-xs); }
.image-card figcaption strong { color: var(--color-ink-2); font-size: var(--text-sm); }
@media (hover: hover) and (pointer: fine) { .image-trigger:hover img { filter: saturate(1.12) contrast(1.04); transform: scale(1.035); } .image-trigger:hover .image-overlay { opacity: 1; transform: translateY(0); } }
.section-after-link { display: flex; justify-content: flex-end; padding-block-start: var(--space-lg); }

.download-section { display: grid; grid-template-columns: minmax(0, 1fr) minmax(16rem, 0.6fr); gap: clamp(2rem, 7vw, 7rem); align-items: center; padding: clamp(3rem, 8vw, 7rem) var(--page-gutter); background: var(--color-accent); color: var(--color-accent-ink); }
.download-copy { width: min(100%, 42rem); margin-inline: auto 0; display: grid; gap: var(--space-lg); }
.download-copy .section-kicker { color: var(--color-accent-ink); }
.download-copy h2 { max-width: 12ch; font-size: clamp(2.5rem, 5vw, 5rem); }
.download-copy p { max-width: 42rem; }
.download-copy .button-accent { background: var(--color-accent-ink); color: var(--color-accent); box-shadow: none; }
.download-side { width: min(100%, 26rem); display: grid; gap: var(--space-lg); margin-inline: auto; }
.rating-stamp { display: flex; align-items: end; gap: var(--space-md); }
.rating-stamp strong { font-family: var(--font-display); font-size: clamp(3rem, 6vw, 5rem); line-height: 0.9; }
.rating-stamp strong small { font-family: var(--font-body); font-size: 0.35em; }
.rating-stamp span { font-size: var(--text-sm); line-height: 1.45; }
.rating-stamp em { font-size: var(--text-xs); font-style: normal; opacity: 0.72; }
.platform-lines { display: grid; gap: 0.2rem; padding-block-start: var(--space-sm); border-top: 1px solid color-mix(in oklch, var(--color-accent-ink) 28%, transparent); }
.platform-lines span { font-family: var(--font-mono); font-size: var(--text-xs); opacity: 0.68; }
.platform-lines strong { font-size: var(--text-sm); }

.timeline { display: grid; gap: 0; max-width: 54rem; border-top: 1px solid var(--color-rule); }
.timeline-item { position: relative; display: grid; grid-template-columns: 1.4rem minmax(0, 1fr); gap: var(--space-md); padding: var(--space-lg) 0; border-bottom: 1px solid var(--color-rule); }
.timeline-dot { width: 0.7rem; height: 0.7rem; margin-block-start: 0.45rem; border: 2px solid var(--color-accent); border-radius: 50%; background: var(--color-paper); box-shadow: 0 0 0 4px var(--color-paper); }
.timeline-item > div:last-child { display: grid; gap: var(--space-xs); }
.timeline-item span { color: var(--color-accent); font-family: var(--font-mono); font-size: var(--text-xs); }
.timeline-item p { color: var(--color-muted); }

.player-layout { display: grid; grid-template-columns: minmax(12rem, 0.45fr) minmax(0, 1fr); gap: var(--space-2xl); align-items: start; }
.rating-panel { display: grid; gap: var(--space-lg); padding: var(--space-lg); border: 1px solid var(--color-rule); border-radius: var(--radius-md); background: var(--color-paper-2); }
.rating-panel p { color: var(--color-muted); font-size: var(--text-sm); }
.player-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-md); }
.player-grid article { min-width: 0; min-height: 12rem; display: grid; align-content: space-between; gap: var(--space-md); padding: var(--space-lg); border: 1px solid var(--color-rule); border-radius: var(--radius-md); background: var(--color-paper-2); transition: transform var(--dur-base) var(--ease-out), box-shadow var(--dur-base) var(--ease-out), background-color var(--dur-base) var(--ease-out); }
.player-grid article > span { color: var(--color-accent); font-family: var(--font-display); font-size: var(--text-xl); }
.player-grid article p { color: var(--color-ink-2); font-size: var(--text-sm); }
.player-grid small { color: var(--color-faint); font-family: var(--font-mono); font-size: var(--text-xs); }
@media (hover: hover) and (pointer: fine) { .player-grid article:hover { transform: translateY(-3px); background: var(--color-paper-3); box-shadow: var(--shadow-panel); } }

.faq-list { display: grid; max-width: 60rem; border-top: 1px solid var(--color-rule); }
.faq-item { border-bottom: 1px solid var(--color-rule); }
.faq-question { width: 100%; min-height: 4rem; display: flex; justify-content: space-between; align-items: center; gap: var(--space-md); padding: var(--space-md) 0; border: 0; background: transparent; color: var(--color-ink); text-align: start; cursor: pointer; }
.faq-question > span:first-child { min-width: 0; font-family: var(--font-display); font-size: var(--text-lg); font-weight: 600; overflow-wrap: anywhere; }
.faq-symbol { width: 2rem; height: 2rem; display: grid; place-items: center; flex: 0 0 auto; border: 1px solid var(--color-rule); border-radius: 50%; color: var(--color-accent); font-family: var(--font-body); font-size: 1.3rem; line-height: 1; }
.faq-answer { max-width: 54rem; padding: 0 3rem var(--space-lg) 0; color: var(--color-muted); }
.faq-answer[hidden] { display: none; }

.article-card-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1px; background: var(--color-rule); }
.article-card-grid article { min-width: 0; min-height: 16rem; display: grid; align-content: space-between; gap: var(--space-md); padding: var(--space-lg); background: var(--color-paper-2); }
.article-card-grid article > span { color: var(--color-accent); font-family: var(--font-mono); font-size: var(--text-xs); }
.article-card-grid article p { color: var(--color-muted); font-size: var(--text-sm); }

.final-cta { display: flex; justify-content: space-between; gap: var(--space-2xl); align-items: end; padding-block: var(--space-4xl); }
.final-cta > div:first-child { max-width: 44rem; display: grid; gap: var(--space-md); }
.final-cta h2 { max-width: 16ch; font-size: var(--text-3xl); }
.final-cta p:not(.section-kicker) { color: var(--color-muted); }

.inner-hero { display: grid; gap: var(--space-lg); padding-block: 11rem var(--space-3xl); }
.inner-hero h1 { max-width: 10ch; font-size: clamp(3.5rem, 10vw, 8rem); }
.inner-hero > p:last-child { max-width: 44rem; color: var(--color-muted); font-size: var(--text-lg); }
.filter-section, .download-cards, .steps-section, .requirements-section, .patch-section, .guide-index, .guide-content, .gallery-notes { padding-block: var(--space-3xl); }
.filter-tabs, .guide-tabs { display: flex; flex-wrap: wrap; gap: var(--space-xs); padding-block-end: var(--space-xl); }
.filter-tab, .guide-tab { padding: 0.55rem 0.9rem; border: 1px solid var(--color-rule); border-radius: var(--radius-pill); background: transparent; color: var(--color-muted); font-size: var(--text-sm); cursor: pointer; transition: transform var(--dur-fast) var(--ease-out), background-color var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out), border-color var(--dur-fast) var(--ease-out); }
.filter-tab.is-active, .guide-tab.is-active { border-color: var(--color-accent); background: var(--color-accent); color: var(--color-accent-ink); }
@media (hover: hover) and (pointer: fine) { .filter-tab:not(.is-active):hover, .guide-tab:not(.is-active):hover { border-color: var(--color-accent-soft); color: var(--color-accent); transform: translateY(-1px); } }
.filter-empty { padding-block: var(--space-2xl); color: var(--color-muted); }
.gallery-notes { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-md); }
.note-card { min-height: 17rem; display: grid; align-content: space-between; gap: var(--space-md); padding: var(--space-xl); border: 1px solid var(--color-rule); border-radius: var(--radius-md); background: var(--color-paper-2); }
.note-card p { max-width: 36rem; color: var(--color-muted); }
.note-card a { color: var(--color-accent); border-bottom: 1px solid var(--color-accent-soft); }

.platform-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-md); }
.platform-card { min-width: 0; min-height: 18rem; display: grid; align-content: space-between; gap: var(--space-lg); padding: var(--space-xl); border: 1px solid var(--color-rule); border-radius: var(--radius-md); background: var(--color-paper-2); }
.platform-card.is-recommended { border-color: var(--color-accent-soft); box-shadow: var(--shadow-glow); }
.platform-top, .platform-bottom { display: flex; justify-content: space-between; gap: var(--space-md); align-items: center; }
.platform-top b { padding: 0.25rem 0.5rem; border-radius: var(--radius-pill); background: var(--color-accent); color: var(--color-accent-ink); font-size: var(--text-xs); }
.platform-card p { max-width: 34rem; color: var(--color-muted); }
.platform-bottom { padding-block-start: var(--space-md); border-top: 1px solid var(--color-rule); }
.platform-bottom span { color: var(--color-faint); font-size: var(--text-xs); }
.step-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1px; background: var(--color-rule); }
.step-grid article { min-height: 14rem; display: grid; align-content: space-between; gap: var(--space-md); padding: var(--space-xl); background: var(--color-paper-2); }
.step-grid article > span { color: var(--color-accent); font-family: var(--font-mono); font-size: var(--text-sm); }
.step-grid article p { color: var(--color-muted); }
.requirements-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-md); }
.requirements-grid > div { padding: var(--space-xl); border: 1px solid var(--color-rule); border-radius: var(--radius-md); background: var(--color-paper-2); }
.requirements-grid h3 { margin-block-end: var(--space-lg); }
dl { display: grid; }
dl > div { display: grid; grid-template-columns: minmax(8rem, 0.7fr) minmax(0, 1fr); gap: var(--space-md); padding-block: var(--space-sm); border-top: 1px solid var(--color-rule); }
dt { color: var(--color-faint); font-family: var(--font-mono); font-size: var(--text-xs); }
dd { min-width: 0; margin: 0; color: var(--color-ink-2); font-size: var(--text-sm); overflow-wrap: anywhere; }
.patch-card { max-width: 52rem; display: grid; gap: var(--space-md); padding: clamp(1.5rem, 5vw, 3rem); border: 1px solid var(--color-accent-soft); border-radius: var(--radius-md); background: var(--color-paper-2); box-shadow: var(--shadow-glow); }
.patch-card p, .patch-card li { color: var(--color-muted); }
.patch-card ul { display: grid; gap: var(--space-xs); }

.guide-card-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1px; background: var(--color-rule); }
.guide-card { min-width: 0; min-height: 18rem; display: grid; align-content: space-between; gap: var(--space-md); padding: var(--space-xl); background: var(--color-paper-2); }
.guide-card > span { color: var(--color-accent); font-family: var(--font-mono); font-size: var(--text-xs); }
.guide-card p { color: var(--color-muted); font-size: var(--text-sm); }
.guide-content { display: grid; grid-template-columns: minmax(12rem, 0.38fr) minmax(0, 1fr); gap: clamp(2rem, 7vw, 7rem); align-items: start; }
.guide-sticky { position: sticky; top: 7rem; display: grid; gap: var(--space-md); }
.guide-sticky h2 { max-width: 11ch; }
.guide-sticky nav { display: grid; gap: var(--space-xs); border-top: 1px solid var(--color-rule); }
.guide-sticky nav a { padding-block: var(--space-sm); border-bottom: 1px solid var(--color-rule); color: var(--color-muted); font-size: var(--text-sm); transition: color var(--dur-fast) var(--ease-out), padding var(--dur-fast) var(--ease-out); }
@media (hover: hover) and (pointer: fine) { .guide-sticky nav a:hover { padding-inline-start: var(--space-xs); color: var(--color-accent); } }
.guide-body { display: grid; gap: var(--space-3xl); }
.guide-body article { display: grid; gap: var(--space-lg); max-width: 48rem; padding-block-start: var(--space-lg); border-top: 1px solid var(--color-rule); scroll-margin-top: 7rem; }
.guide-body article p, .guide-body article li { color: var(--color-muted); }
.guide-body article ol, .guide-body article ul { display: grid; gap: var(--space-xs); }
.guide-table { display: grid; border-block: 1px solid var(--color-rule); }
.guide-table > div { display: grid; grid-template-columns: 8rem minmax(0, 1fr); gap: var(--space-md); padding-block: var(--space-sm); border-bottom: 1px solid var(--color-rule); }
.guide-table > div:last-child { border-bottom: 0; }
.guide-table span { color: var(--color-accent); font-family: var(--font-mono); font-size: var(--text-xs); }
.guide-table strong { color: var(--color-ink-2); font-size: var(--text-sm); }
.guide-callout { display: grid; gap: var(--space-xs); padding: var(--space-md); border-inline-start: 2px solid var(--color-accent); background: var(--color-paper-2); }
.guide-callout strong { color: var(--color-accent); }

.article-page { padding-block: 11rem var(--space-4xl); }
.article-header { max-width: 52rem; display: grid; gap: var(--space-lg); padding-block-end: var(--space-3xl); border-bottom: 1px solid var(--color-rule); }
.article-header h1 { max-width: 14ch; font-size: clamp(2.7rem, 6vw, 6rem); }
.article-query { color: var(--color-muted); text-transform: none; letter-spacing: 0.02em; }
.article-layout { display: grid; grid-template-columns: minmax(0, 1fr) minmax(12rem, 0.32fr); gap: clamp(2rem, 8vw, 8rem); padding-block-start: var(--space-3xl); align-items: start; }
.article-body { display: grid; gap: var(--space-3xl); min-width: 0; }
.direct-answer { display: grid; gap: var(--space-sm); max-width: 52rem; padding: var(--space-lg); border: 1px solid var(--color-accent-soft); border-radius: var(--radius-md); background: var(--color-paper-2); color: var(--color-ink-2); }
.direct-answer strong { color: var(--color-accent); font-family: var(--font-mono); font-size: var(--text-xs); letter-spacing: 0.1em; text-transform: uppercase; }
.article-section { display: grid; gap: var(--space-lg); max-width: 52rem; }
.article-section h2, .article-faq h2 { font-size: var(--text-2xl); }
.article-section p, .article-section li { color: var(--color-muted); }
.article-section ul, .article-section ol { display: grid; gap: var(--space-xs); }
.article-section table { width: 100%; border-collapse: collapse; font-size: var(--text-sm); }
.article-section th, .article-section td { padding: var(--space-sm); border: 1px solid var(--color-rule); text-align: start; vertical-align: top; }
.article-section th { color: var(--color-accent); font-family: var(--font-mono); font-size: var(--text-xs); font-weight: 600; }
.article-section td { color: var(--color-muted); }
.article-related { position: sticky; top: 7rem; display: grid; gap: var(--space-md); padding: var(--space-lg); border: 1px solid var(--color-rule); border-radius: var(--radius-md); background: var(--color-paper-2); }
.article-related h2 { max-width: 10ch; }
.article-related > div { display: grid; gap: var(--space-xs); border-top: 1px solid var(--color-rule); }
.article-related a { padding-block: var(--space-xs); border-bottom: 1px solid var(--color-rule); color: var(--color-muted); font-size: var(--text-sm); transition: color var(--dur-fast) var(--ease-out), padding var(--dur-fast) var(--ease-out); }
@media (hover: hover) and (pointer: fine) { .article-related a:hover { padding-inline-start: var(--space-xs); color: var(--color-accent); } }
.article-faq { display: grid; gap: var(--space-lg); }

.site-footer { padding: var(--space-4xl) var(--page-gutter) calc(7rem + env(safe-area-inset-bottom)); border-top: 1px solid var(--color-rule); background: var(--color-paper-2); }
.footer-statement { width: min(100%, 44rem); margin-block-end: var(--space-3xl); font-family: var(--font-display); font-size: clamp(2.2rem, 6vw, 5.2rem); letter-spacing: -0.05em; line-height: 1.03; }
.footer-meta-grid { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(8rem, 0.6fr) minmax(12rem, 1fr); gap: var(--space-2xl); padding-block: var(--space-lg); border-block: 1px solid var(--color-rule); }
.footer-brand { display: grid; gap: var(--space-sm); max-width: 28rem; }
.footer-wordmark { display: flex; align-items: center; gap: var(--space-sm); color: var(--color-ink); font-family: var(--font-display); font-size: var(--text-xl); }
.footer-logo-art { width: 9rem; height: 2.25rem; object-fit: cover; border-radius: var(--radius-sm); opacity: 0.84; }
.footer-brand p { color: var(--color-muted); font-size: var(--text-sm); }
.footer-disclaimer { font-family: var(--font-mono); font-size: var(--text-xs) !important; }
.footer-label { color: var(--color-faint); }
.footer-links { display: grid; gap: 0.35rem; }
.footer-links a { width: fit-content; color: var(--color-muted); font-size: var(--text-sm); transition: color var(--dur-fast) var(--ease-out), transform var(--dur-fast) var(--ease-out); }
@media (hover: hover) and (pointer: fine) { .footer-links a:hover { color: var(--color-accent); transform: translateX(3px); } }
.footer-bottom { display: flex; justify-content: space-between; gap: var(--space-md); padding-block-start: var(--space-lg); color: var(--color-faint); font-family: var(--font-mono); font-size: var(--text-xs); }
.sticky-download { position: fixed; right: var(--page-gutter); bottom: max(var(--space-md), env(safe-area-inset-bottom)); left: var(--page-gutter); z-index: var(--z-sticky-nav); display: flex; justify-content: space-between; gap: var(--space-md); align-items: center; width: min(calc(100% - (var(--page-gutter) * 2)), 48rem); margin-inline: auto; padding: 0.45rem 0.5rem 0.45rem var(--space-md); border: 1px solid var(--color-rule); border-radius: var(--radius-pill); background: color-mix(in oklch, var(--color-paper-2) 92%, transparent); box-shadow: var(--shadow-nav); backdrop-filter: blur(1rem) saturate(125%); }
.sticky-download-note { min-width: 0; overflow: hidden; color: var(--color-muted); font-size: var(--text-xs); text-overflow: ellipsis; white-space: nowrap; }

.lightbox { width: min(100% - 2rem, 72rem); max-height: min(90svh, 54rem); margin: auto; padding: 0; overflow: visible; border: 1px solid var(--color-rule); border-radius: var(--radius-md); background: var(--color-paper-2); color: var(--color-ink); }
.lightbox::backdrop { background: var(--color-overlay); backdrop-filter: blur(0.4rem); }
.lightbox-inner { position: relative; display: grid; gap: var(--space-md); padding: var(--space-md); }
.lightbox-toolbar { display: flex; justify-content: space-between; gap: var(--space-md); align-items: center; color: var(--color-accent); font-family: var(--font-mono); font-size: var(--text-xs); }
.icon-button { width: 2.5rem; height: 2.5rem; display: grid; place-items: center; border: 1px solid var(--color-rule); border-radius: 50%; background: transparent; color: var(--color-ink); font-size: 1.4rem; cursor: pointer; }
.lightbox figure { display: grid; gap: var(--space-sm); min-width: 0; }
.lightbox img { width: 100%; max-height: calc(90svh - 8rem); object-fit: contain; border-radius: var(--radius-sm); background: var(--color-paper); }
.lightbox figcaption { color: var(--color-muted); font-size: var(--text-sm); }
.lightbox-arrow { position: absolute; top: 50%; width: 2.75rem; height: 2.75rem; display: grid; place-items: center; border: 1px solid var(--color-rule); border-radius: 50%; background: var(--color-paper-3); color: var(--color-ink); cursor: pointer; transform: translateY(-50%); }
.lightbox-prev { left: -1.2rem; }
.lightbox-next { right: -1.2rem; }
@media (hover: hover) and (pointer: fine) { .icon-button:hover, .lightbox-arrow:hover { border-color: var(--color-accent); color: var(--color-accent); } }

[data-reveal] { opacity: 0; transform: translateY(0.75rem); }
[data-reveal].is-visible { opacity: 1; transform: translateY(0); transition: opacity var(--dur-slow) var(--ease-out), transform var(--dur-slow) var(--ease-out); }

@media (max-width: 64rem) {
  .nav-pill { grid-template-columns: auto 1fr auto auto; }
  .info-rail { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .info-rail > div:nth-child(3) { border-inline-end: 0; }
  .info-rail > div:nth-child(n + 4) { border-top: 1px solid var(--color-rule); }
  .feature-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .player-layout { grid-template-columns: 1fr; }
  .player-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .article-card-grid, .guide-card-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 48rem) {
  .site-header { padding-inline: var(--space-sm); }
  .nav-pill { grid-template-columns: auto 1fr auto; }
  .nav-links { position: absolute; top: calc(100% + var(--space-xs)); right: 0; left: 0; display: none; flex-direction: column; align-items: stretch; gap: 0; padding: var(--space-xs); border: 1px solid var(--color-rule); border-radius: var(--radius-md); background: var(--color-paper-2); box-shadow: var(--shadow-panel); }
  .nav-pill[data-menu-open="true"] .nav-links { display: flex; }
  .nav-link { justify-content: flex-start; border-radius: var(--radius-sm); }
  .menu-toggle { display: flex; }
  .nav-download { padding-inline: 0.75rem; }
  .hero-section { grid-template-columns: 1fr; min-height: auto; padding-top: 9rem; }
  .hero-copy { max-width: none; }
  .hero-copy h1 { max-width: 8ch; }
  .hero-visual { min-height: 18rem; }
  .hero-visual img { min-height: 18rem; }
  .story-columns, .tour-row, .tour-row-reverse, .download-section, .article-layout, .guide-content { grid-template-columns: 1fr; }
  .story-aside, .guide-sticky, .article-related { position: static; }
  .tour-row-reverse .tour-copy, .tour-row-reverse .tour-frame { order: initial; }
  .tour-copy { max-width: none; }
  .feature-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .download-copy, .download-side { width: 100%; margin-inline: 0; }
  .gallery-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .player-grid { grid-template-columns: 1fr; }
  .gallery-notes, .platform-grid, .requirements-grid { grid-template-columns: 1fr; }
  .step-grid { grid-template-columns: 1fr; }
  .step-grid article { min-height: 11rem; }
  .final-cta, .footer-bottom { align-items: flex-start; flex-direction: column; }
  .footer-meta-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
  .lightbox-prev { left: 0.5rem; }
  .lightbox-next { right: 0.5rem; }
}
@media (max-width: 40rem) {
  :root { --page-gutter: 1rem; }
  .nav-pill { gap: var(--space-xs); }
  .nav-download { padding-inline: 0.65rem; font-size: var(--text-xs); }
  .wordmark { font-size: var(--text-xs); }
  .wordmark-mark { width: 1.8rem; height: 1.8rem; }
  .hero-section { padding-top: 8rem; }
  .hero-copy h1 { font-size: clamp(3.3rem, 18vw, 5.5rem); }
  .hero-visual figcaption { display: grid; gap: var(--space-xs); }
  .hero-visual figcaption strong { text-align: start; }
  .info-rail { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .info-rail > div:nth-child(3) { border-inline-end: 1px solid var(--color-rule); }
  .info-rail > div:nth-child(even) { border-inline-end: 0; }
  .info-rail > div:nth-child(n + 3) { border-top: 1px solid var(--color-rule); }
  .feature-grid, .gallery-grid, .article-card-grid, .guide-card-grid { grid-template-columns: 1fr; }
  .feature-grid article { min-height: 12rem; }
  .gallery-grid.full-grid { grid-template-columns: 1fr; }
  .sticky-download { padding-left: var(--space-sm); }
  .sticky-download-note { max-width: 10rem; }
  .sticky-download .button { flex: 0 0 auto; }
  .footer-meta-grid { grid-template-columns: 1fr; }
  .footer-brand { grid-column: auto; }
  .platform-bottom { align-items: flex-start; flex-direction: column; }
  dl > div { grid-template-columns: 1fr; gap: 0.25rem; }
  .guide-table > div { grid-template-columns: 1fr; gap: 0.25rem; }
  .article-section table { display: block; overflow-x: auto; }
  .article-section th, .article-section td { min-width: 8rem; }
  .faq-question > span:first-child { font-size: var(--text-md); }
  .faq-answer { padding-right: 0; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 1ms !important; animation-iteration-count: 1 !important; transition-duration: 1ms !important; }
  [data-reveal] { opacity: 1; transform: none; }
}