/* Hallmark · genre: editorial · macrostructure: Catalogue · H6 photographic fold
 * theme: custom · vibe: "sakura sky, retail clarity, magical resolve" · paper: oklch(99.2% 0.006 342) · accent: oklch(75.6% 0.175 70)
 * display: Noto Serif SC · body: Noto Sans SC · axes: light / roman-serif / warm
 * enrichment: verified game photography · nav: N12 · footer: Ft5 · studied: no · context: explicit · v1.1.0
 * Hallmark · pre-emit critique: P5 H5 E4 S5 R4 V5
 * contrast: pass (40–41) · slop: pass (42–45) · honest: pass (46) · chrome: pass (47) · tokens: pass (48)
 * responsive: pass (34, 49) · mobile: pass (34, 49, 50–57) · icons: pass (30)
 */
@import url("tokens.css");

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

html,
body {
  overflow-x: clip;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--bar-h) + var(--space-lg));
}

body {
  margin: 0;
  color: var(--color-ink);
  background: var(--color-paper);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.65;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body.has-sticky-cta {
  padding-bottom: 4.75rem;
}

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

button,
input,
select,
textarea {
  font: inherit;
}

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

a {
  color: inherit;
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.18em;
}

h1,
h2,
h3,
p,
figure,
blockquote,
ul,
ol,
dl,
dd {
  margin-top: 0;
}

h1,
h2,
h3 {
  color: var(--color-ink-strong);
  font-family: var(--font-display);
  font-style: normal;
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -0.025em;
  overflow-wrap: anywhere;
  min-width: 0;
}

h1 {
  font-size: var(--text-display);
}

h2 {
  font-size: clamp(var(--text-xl), 4vw, var(--text-3xl));
}

h3 {
  font-size: var(--text-lg);
}

:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 3px;
}

::selection {
  color: var(--color-ink-strong);
  background: var(--color-pink);
}

.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);
  color: var(--color-ink-strong);
  background: var(--color-paper);
  border: var(--rule-hair) solid var(--color-rule);
  transform: translateY(-180%);
  transition: transform var(--dur-short) var(--ease-out);
}

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

.shell {
  width: min(100% - (var(--page-gutter) * 2), var(--content-max));
  margin-inline: auto;
}

.measure {
  max-width: 65ch;
}

.muted {
  color: var(--color-muted);
}

.tnum {
  font-variant-numeric: tabular-nums;
}

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: var(--z-sticky);
  color: var(--color-on-night);
  transform: translateY(0);
  transition: transform var(--dur-long) var(--ease-out);
}

.site-header.is-compact {
  transform: translateY(calc(var(--banner-h) * -1));
}

.promo-bar {
  height: var(--banner-h);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding-inline: var(--page-gutter);
  color: var(--color-accent-ink);
  background: var(--color-accent);
  font-size: var(--text-sm);
  font-weight: 700;
  white-space: nowrap;
  overflow: hidden;
}

.promo-bar span {
  overflow: hidden;
  text-overflow: ellipsis;
}

.promo-bar a {
  flex: none;
}

.nav-bar {
  min-height: var(--bar-h);
  display: flex;
  align-items: center;
  background: var(--color-night);
  border-bottom: var(--rule-hair) solid var(--color-night-soft);
}

.nav-inner {
  width: min(100% - (var(--page-gutter) * 2), var(--content-max));
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
}

.wordmark {
  display: inline-flex;
  align-items: center;
  flex: none;
  color: var(--color-on-night);
  font-family: var(--font-display);
  font-size: var(--text-md);
  font-weight: 900;
  text-decoration: none;
  white-space: nowrap;
}

.wordmark-mark {
  width: 1.8rem;
  aspect-ratio: 1;
  margin-right: var(--space-xs);
  object-fit: cover;
  border-radius: 50%;
  border: var(--rule-hair) solid var(--color-on-night);
}

.primary-nav {
  display: flex;
  align-items: center;
  gap: clamp(var(--space-sm), 2vw, var(--space-xl));
}

.primary-nav a {
  color: var(--color-on-night);
  font-size: var(--text-sm);
  text-decoration: none;
  white-space: nowrap;
}

.primary-nav a:hover,
.primary-nav a[aria-current="page"] {
  color: var(--color-accent);
}

.nav-toggle {
  display: none;
  width: 2.75rem;
  height: 2.75rem;
  color: var(--color-on-night);
  background: transparent;
  border: var(--rule-hair) solid var(--color-night-soft);
  border-radius: var(--radius-sm);
  cursor: pointer;
}

.nav-toggle::before,
.nav-toggle::after {
  content: "";
  display: block;
  width: 1.1rem;
  height: 2px;
  margin: 0.3rem auto;
  background: currentColor;
  transition: transform var(--dur-short) var(--ease-in-out);
}

.nav-toggle[aria-expanded="true"]::before {
  transform: translateY(0.25rem) rotate(45deg);
}

.nav-toggle[aria-expanded="true"]::after {
  transform: translateY(-0.25rem) rotate(-45deg);
}

.button {
  position: relative;
  min-height: 2.9rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  padding: var(--space-sm) var(--space-lg);
  color: var(--color-accent-ink);
  background: var(--color-accent);
  border: var(--rule-hair) solid var(--color-accent-deep);
  border-radius: var(--radius-sm);
  font-weight: 800;
  line-height: 1;
  text-decoration: none;
  white-space: nowrap;
  overflow: hidden;
  cursor: pointer;
  transform: translateY(0);
  transition: transform var(--dur-micro) var(--ease-out), opacity var(--dur-micro) var(--ease-out);
}

.button::after {
  content: "";
  position: absolute;
  inset: -20% auto -20% -42%;
  width: 28%;
  background: var(--color-shine);
  transform: skewX(-18deg) translateX(0);
  opacity: 0;
}

.button:hover {
  transform: translateY(-1px);
}

.button:hover::after {
  opacity: 1;
  transform: skewX(-18deg) translateX(520%);
  transition: transform 640ms var(--ease-out), opacity var(--dur-micro) var(--ease-out);
}

.button:active,
.button.is-active {
  transform: translateY(1px);
}

.button[aria-disabled="true"],
.button:disabled,
.button[data-state="disabled"] {
  opacity: 0.45;
  pointer-events: none;
  cursor: not-allowed;
}

.button[data-state="loading"] {
  opacity: 0.75;
  cursor: wait;
}

.button[data-state="loading"]::before {
  content: "";
  width: 0.9rem;
  height: 0.9rem;
  border: 2px solid currentColor;
  border-right-color: transparent;
  border-radius: 50%;
  animation: spin 800ms linear infinite;
}

.button[data-state="error"] {
  color: var(--color-on-night);
  background: var(--color-alert);
  border-color: var(--color-alert);
}

.button[data-state="success"] {
  color: var(--color-on-night);
  background: var(--color-success);
  border-color: var(--color-success);
}

.button-secondary {
  color: var(--color-on-night);
  background: transparent;
  border-color: var(--color-on-night);
}

.button-dark {
  color: var(--color-on-night);
  background: var(--color-night);
  border-color: var(--color-night-soft);
}

.hero {
  position: relative;
  min-height: min(58rem, 100svh);
  display: grid;
  align-items: end;
  padding: 0;
  color: var(--color-on-night);
  isolation: isolate;
}

.hero-media,
.hero-media::after {
  position: absolute;
  inset: 0;
}

.hero-media {
  z-index: -2;
  overflow: hidden;
  background: var(--color-night);
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 35%;
}

.hero-media::after {
  content: "";
  background: linear-gradient(90deg, var(--color-overlay-strong) 0 34%, var(--color-overlay) 72%, var(--color-overlay-strong) 100%);
}

.hero-content {
  padding-block: var(--space-xl) var(--space-2xl);
}

.hero-tags,
.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  margin-bottom: var(--space-lg);
}

.tag {
  display: inline-flex;
  align-items: center;
  min-height: 1.9rem;
  padding: var(--space-2xs) var(--space-sm);
  color: var(--color-ink-strong);
  background: var(--color-paper);
  border: var(--rule-hair) solid var(--color-rule);
  border-radius: 999px;
  font-size: var(--text-xs);
  font-weight: 700;
  white-space: nowrap;
}

.hero h1 {
  max-width: 18ch;
  margin-bottom: var(--space-md);
  color: var(--color-on-night);
  font-size: clamp(2.45rem, 5vw, 4.4rem);
  text-shadow: 0 1px 2px var(--color-overlay-strong);
}

.hero-en {
  display: block;
  margin-top: var(--space-sm);
  font-family: var(--font-body);
  font-size: clamp(var(--text-md), 2.5vw, var(--text-xl));
  font-weight: 500;
  letter-spacing: 0.01em;
}

.hero-lede {
  max-width: 42rem;
  margin-bottom: var(--space-xl);
  color: var(--color-on-night);
  font-size: clamp(var(--text-base), 2vw, var(--text-md));
}

.hero-actions,
.action-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.hero-facts {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: var(--space-2xl);
  padding-top: var(--space-lg);
  border-top: var(--rule-hair) solid var(--color-on-night);
}

.hero-facts div {
  min-width: 0;
  padding-right: var(--space-lg);
}

.hero-facts strong,
.hero-facts span {
  display: block;
}

.hero-facts strong {
  color: var(--color-on-night);
  font-size: var(--text-md);
}

.hero-facts span {
  font-size: var(--text-xs);
  opacity: 0.78;
}

.petals {
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  overflow: hidden;
}

.petal {
  position: absolute;
  top: -8%;
  width: 0.55rem;
  height: 0.8rem;
  background: var(--color-pink);
  border-radius: 70% 30% 70% 30%;
  opacity: 0.5;
  animation: petal-fall var(--petal-duration, 18s) linear infinite;
  animation-delay: var(--petal-delay, 0s);
}

.info-strip {
  position: relative;
  z-index: var(--z-raised);
  margin-top: calc(var(--space-xl) * -1);
  background: var(--color-paper);
  border: var(--rule-hair) solid var(--color-rule);
  box-shadow: 0 1px 2px var(--color-shadow);
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.info-grid > div {
  min-width: 0;
  padding: var(--space-lg);
  border-right: var(--rule-hair) solid var(--color-rule-2);
}

.info-grid > div:last-child {
  border-right: 0;
}

.info-grid dt {
  margin-bottom: var(--space-xs);
  color: var(--color-muted);
  font-size: var(--text-xs);
}

.info-grid dd {
  color: var(--color-ink-strong);
  font-weight: 700;
  overflow-wrap: anywhere;
}

.section {
  padding-block: var(--space-4xl);
}

.section-soft {
  background: var(--color-paper-2);
}

.section-night {
  color: var(--color-on-night);
  background: var(--color-night);
}

.section-night h2,
.section-night h3 {
  color: var(--color-on-night);
}

.section-head {
  max-width: 52rem;
  margin-bottom: var(--space-2xl);
}

.section-head h2 {
  margin-bottom: var(--space-sm);
}

.section-head p {
  margin-bottom: 0;
  color: var(--color-muted);
  font-size: var(--text-md);
}

.section-action {
  margin-top: var(--space-xl);
}

.section-night .section-head p {
  color: var(--color-on-night);
  opacity: 0.72;
}

.story-panel {
  max-width: 56rem;
  margin-inline: auto;
  text-align: center;
}

.story-panel p {
  font-size: clamp(var(--text-base), 2vw, var(--text-md));
  line-height: 1.9;
}

.vn-dialogue {
  position: relative;
  margin-top: var(--space-2xl);
  padding: var(--space-xl);
  color: var(--color-on-night);
  background: var(--color-night);
  border: var(--rule-hair) solid var(--color-blue);
  text-align: left;
}

.vn-dialogue::before {
  content: "天音";
  position: absolute;
  inset: auto auto 100% var(--space-lg);
  padding: var(--space-xs) var(--space-lg);
  color: var(--color-on-night);
  background: var(--color-blue-deep);
  font-weight: 800;
}

.vn-dialogue p {
  margin: 0;
  font-size: var(--text-base);
  line-height: 1.7;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: var(--rule-hair) solid var(--color-rule);
}

.feature-card {
  min-width: 0;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: var(--space-lg);
  padding: var(--space-xl) 0;
  border-bottom: var(--rule-hair) solid var(--color-rule);
  transition: transform var(--dur-short) var(--ease-out);
}

.feature-card:nth-child(odd) {
  padding-right: var(--space-xl);
  border-right: var(--rule-hair) solid var(--color-rule);
}

.feature-card:nth-child(even) {
  padding-left: var(--space-xl);
}

.feature-card:hover {
  transform: translateY(-2px);
}

.feature-icon {
  width: 3rem;
  height: 3rem;
  display: grid;
  place-items: center;
  color: var(--color-ink-strong);
  background: var(--color-pink);
  border-radius: var(--radius-sm);
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 900;
}

.feature-card h3 {
  margin-bottom: var(--space-xs);
}

.feature-card p {
  margin-bottom: 0;
  max-width: 48ch;
}

.media-grid,
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-lg);
}

.media-card {
  min-width: 0;
}

.media-button {
  width: 100%;
  display: block;
  padding: 0;
  background: var(--color-paper-3);
  border: var(--rule-hair) solid var(--color-rule);
  cursor: zoom-in;
  overflow: hidden;
}

.media-button img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  transition: transform var(--dur-short) var(--ease-out), opacity var(--dur-short) var(--ease-out);
}

.media-button:hover img {
  transform: scale(1.02);
  opacity: 0.92;
}

.media-card figcaption {
  margin-top: var(--space-sm);
  color: var(--color-ink-2);
  font-size: var(--text-sm);
}

.section-night .media-card figcaption {
  color: var(--color-on-night);
  opacity: 0.72;
}

.spec-table {
  width: 100%;
  border-collapse: collapse;
}

.spec-table th,
.spec-table td {
  padding: var(--space-md) var(--space-sm);
  border-bottom: var(--rule-hair) solid var(--color-rule);
  text-align: left;
  vertical-align: top;
}

.spec-table th {
  color: var(--color-muted);
  font-size: var(--text-sm);
  font-weight: 500;
}

.chapter-layout {
  display: grid;
  grid-template-columns: minmax(14rem, 0.32fr) minmax(0, 1fr);
  gap: var(--space-3xl);
  align-items: start;
}

.toc {
  position: sticky;
  top: calc(var(--bar-h) + var(--space-xl));
  padding: var(--space-lg);
  background: var(--color-paper-2);
  border-top: 3px solid var(--color-accent);
}

.toc strong {
  display: block;
  margin-bottom: var(--space-sm);
  color: var(--color-ink-strong);
}

.toc a {
  display: block;
  padding-block: var(--space-xs);
  color: var(--color-ink-2);
  text-decoration: none;
}

.toc a:hover {
  color: var(--color-blue-deep);
}

.article-flow article {
  scroll-margin-top: calc(var(--bar-h) + var(--space-xl));
  padding-bottom: var(--space-3xl);
}

.article-flow article + article {
  padding-top: var(--space-3xl);
  border-top: var(--rule-hair) solid var(--color-rule);
}

.article-flow p,
.article-flow li {
  max-width: 68ch;
}

.article-flow li + li {
  margin-top: var(--space-xs);
}

.guide-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-lg);
}

.guide-card {
  min-width: 0;
  padding: var(--space-xl);
  background: var(--color-paper);
  border-top: 4px solid var(--color-blue);
  box-shadow: 0 1px 2px var(--color-shadow);
  transition: transform var(--dur-short) var(--ease-out);
}

.guide-card:hover {
  transform: translateY(-2px);
}

.guide-card h3 {
  margin-bottom: var(--space-sm);
}

.guide-card a {
  color: var(--color-blue-deep);
  font-weight: 800;
  white-space: nowrap;
}

.timeline {
  border-left: 2px solid var(--color-rule);
  margin-left: var(--space-sm);
  padding-left: var(--space-xl);
}

.timeline-item {
  position: relative;
  padding-bottom: var(--space-xl);
}

.timeline-item::before {
  content: "";
  position: absolute;
  top: 0.35rem;
  left: calc((var(--space-xl) + 0.45rem) * -1);
  width: 0.75rem;
  height: 0.75rem;
  background: var(--color-accent);
  border: 2px solid var(--color-paper);
  border-radius: 50%;
}

.timeline-item time {
  color: var(--color-muted);
  font-size: var(--text-sm);
}

.review-snapshot {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  background: var(--color-night);
  color: var(--color-on-night);
}

.review-snapshot > div {
  min-width: 0;
  padding: var(--space-xl);
  border-right: var(--rule-hair) solid var(--color-night-soft);
}

.review-snapshot strong,
.review-snapshot span {
  display: block;
}

.review-snapshot strong {
  color: var(--color-accent);
  font-family: var(--font-display);
  font-size: clamp(var(--text-xl), 4vw, var(--text-2xl));
  line-height: 1.15;
}

.review-snapshot p {
  grid-column: 1 / -1;
  margin: 0;
  padding: var(--space-sm) var(--space-xl);
  color: var(--color-on-night);
  border-top: var(--rule-hair) solid var(--color-night-soft);
  font-size: var(--text-xs);
  opacity: 0.68;
}

.fit-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: var(--space-lg);
  gap: var(--space-lg);
}

.fit-card {
  padding: var(--space-xl);
  background: var(--color-paper);
  border-bottom: 3px solid var(--color-pink);
}

.fit-card p {
  margin-bottom: 0;
}

.accordion {
  border-top: var(--rule-hair) solid var(--color-rule);
}

.accordion details {
  border-bottom: var(--rule-hair) solid var(--color-rule);
}

.accordion summary {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
  padding: var(--space-lg) var(--space-2xl) var(--space-lg) 0;
  color: var(--color-ink-strong);
  font-weight: 800;
  cursor: pointer;
  list-style: none;
}

.accordion summary::-webkit-details-marker {
  display: none;
}

.accordion summary::after {
  content: "+";
  position: absolute;
  right: var(--space-xs);
  font-family: var(--font-body);
  font-size: var(--text-lg);
  font-weight: 500;
}

.accordion details[open] summary::after {
  content: "−";
}

.accordion .answer {
  max-width: 68ch;
  padding: 0 var(--space-2xl) var(--space-lg) 0;
}

.accordion .answer p:last-child {
  margin-bottom: 0;
}

.platform-grid,
.requirements-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-lg);
}

.platform-card,
.requirements-card {
  min-width: 0;
  padding: var(--space-xl);
  border: var(--rule-hair) solid var(--color-rule);
  background: var(--color-paper);
}

.platform-card.recommended {
  border-top: 5px solid var(--color-accent);
}

.platform-card.unavailable {
  background: var(--color-paper-2);
}

.platform-card h2,
.requirements-card h3 {
  margin-bottom: var(--space-sm);
}

.status-label {
  display: inline-block;
  margin-bottom: var(--space-md);
  padding: var(--space-2xs) var(--space-sm);
  color: var(--color-accent-ink);
  background: var(--color-accent);
  font-size: var(--text-xs);
  font-weight: 800;
}

.step-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border: var(--rule-hair) solid var(--color-rule);
}

.step {
  min-width: 0;
  padding: var(--space-xl);
}

.step + .step {
  border-left: var(--rule-hair) solid var(--color-rule);
}

.step b {
  display: block;
  margin-bottom: var(--space-sm);
  color: var(--color-blue-deep);
  font-size: var(--text-sm);
}

.tabs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  margin-bottom: var(--space-xl);
}

.tab-button {
  min-height: 2.6rem;
  padding: var(--space-xs) var(--space-lg);
  color: var(--color-ink-strong);
  background: var(--color-paper);
  border: var(--rule-hair) solid var(--color-rule);
  border-radius: 999px;
  font-weight: 700;
  white-space: nowrap;
  cursor: pointer;
}

.tab-button:hover,
.tab-button[aria-selected="true"] {
  color: var(--color-on-night);
  background: var(--color-night);
  border-color: var(--color-night);
}

.tab-button:active {
  transform: translateY(1px);
}

.tab-button:disabled {
  opacity: 0.42;
  cursor: not-allowed;
}

.gallery-item[hidden] {
  display: none;
}

.lightbox {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  display: grid;
  place-items: center;
  padding: var(--space-lg);
  color: var(--color-on-night);
  background: var(--color-backdrop);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--dur-long) var(--ease-out);
}

.lightbox[aria-hidden="false"] {
  opacity: 1;
  pointer-events: auto;
}

.lightbox-dialog {
  position: relative;
  width: min(100%, 76rem);
  max-height: calc(100svh - (var(--space-lg) * 2));
  display: grid;
  grid-template-columns: 3rem minmax(0, 1fr) 3rem;
  align-items: center;
  gap: var(--space-sm);
  transform: scale(0.98);
  transition: transform var(--dur-long) var(--ease-out);
}

.lightbox[aria-hidden="false"] .lightbox-dialog {
  transform: scale(1);
}

.lightbox-figure {
  min-width: 0;
  margin: 0;
}

.lightbox-figure img {
  width: 100%;
  max-height: calc(100svh - 8rem);
  object-fit: contain;
}

.lightbox-figure figcaption {
  margin-top: var(--space-sm);
  text-align: center;
}

.lightbox-control {
  width: 2.75rem;
  height: 2.75rem;
  display: grid;
  place-items: center;
  color: var(--color-on-night);
  background: var(--color-night);
  border: var(--rule-hair) solid var(--color-night-soft);
  border-radius: 50%;
  cursor: pointer;
}

.lightbox-control:hover {
  background: var(--color-accent-deep);
}

.lightbox-close {
  position: absolute;
  top: calc(var(--space-sm) * -1);
  right: 3.5rem;
  z-index: var(--z-raised);
}

.final-cta {
  position: relative;
  padding-block: var(--space-4xl);
  color: var(--color-on-night);
  background: var(--color-blue-deep);
  overflow: hidden;
}

.final-cta::before {
  content: "";
  position: absolute;
  width: 30rem;
  height: 30rem;
  right: -12rem;
  bottom: -18rem;
  background: var(--color-blue);
  border-radius: 50%;
  opacity: 0.22;
}

.final-cta .shell {
  position: relative;
}

.final-cta h2 {
  max-width: 18ch;
  color: var(--color-on-night);
}

.final-cta p {
  max-width: 56ch;
}

.final-cta small {
  display: block;
  margin-top: var(--space-lg);
  opacity: 0.75;
}

.site-footer {
  padding: var(--space-4xl) 0 calc(var(--space-4xl) + 3rem);
  background: var(--color-paper);
}

.footer-statement {
  max-width: 24ch;
  margin-bottom: var(--space-3xl);
  font-family: var(--font-display);
  font-size: clamp(var(--text-xl), 5vw, var(--text-3xl));
  font-weight: 900;
  line-height: 1.15;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 1.4fr;
  gap: var(--space-2xl);
  padding-top: var(--space-xl);
  border-top: var(--rule-hair) solid var(--color-rule);
}

.footer-grid h2 {
  margin-bottom: var(--space-sm);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 800;
  letter-spacing: 0.06em;
}

.footer-grid a {
  display: block;
  width: fit-content;
  margin-bottom: var(--space-xs);
  color: var(--color-ink-2);
  text-decoration: none;
  white-space: nowrap;
}

.footer-grid a:hover {
  color: var(--color-blue-deep);
  text-decoration: underline;
}

.footer-legal {
  margin-top: var(--space-2xl);
  color: var(--color-muted);
  font-size: var(--text-sm);
}

.sticky-cta {
  position: fixed;
  inset: auto 0 0;
  z-index: var(--z-sticky);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  padding: var(--space-sm) var(--page-gutter);
  background: var(--color-paper);
  border-top: var(--rule-hair) solid var(--color-rule);
  box-shadow: 0 -1px 2px var(--color-shadow);
}

.sticky-cta p {
  margin: 0;
  color: var(--color-ink-2);
  font-size: var(--text-sm);
}

.reveal {
  opacity: 0;
  transform: translateY(8px);
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
  transition: transform var(--dur-long) var(--ease-out), opacity var(--dur-long) var(--ease-out);
}

.page-hero {
  padding: calc(var(--banner-h) + var(--bar-h) + var(--space-4xl)) 0 var(--space-3xl);
  background: var(--color-paper-2);
  border-bottom: var(--rule-hair) solid var(--color-rule);
}

.page-hero h1 {
  max-width: 18ch;
  margin-bottom: var(--space-md);
}

.page-hero p {
  max-width: 58ch;
  font-size: var(--text-md);
}

.notice {
  padding: var(--space-lg);
  color: var(--color-ink-strong);
  background: var(--color-paper-2);
  border-left: 4px solid var(--color-alert);
}

.notice p:last-child {
  margin-bottom: 0;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

@keyframes petal-fall {
  0% { opacity: 0; transform: translate3d(0, -8vh, 0) rotate(0); }
  10% { opacity: 0.5; }
  100% { opacity: 0; transform: translate3d(14vw, 110vh, 0) rotate(540deg); }
}

@media (max-width: 64rem) {
  .primary-nav {
    position: absolute;
    top: var(--bar-h);
    right: var(--page-gutter);
    width: min(20rem, calc(100vw - (var(--page-gutter) * 2)));
    display: grid;
    gap: 0;
    padding: var(--space-sm);
    color: var(--color-on-night);
    background: var(--color-night);
    border: var(--rule-hair) solid var(--color-night-soft);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-8px);
    transition: transform var(--dur-short) var(--ease-out), opacity var(--dur-short) var(--ease-out);
  }

  .primary-nav.is-open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .primary-nav a {
    min-height: 2.75rem;
    display: flex;
    align-items: center;
    padding-inline: var(--space-sm);
  }

  .nav-toggle {
    display: block;
  }

  .nav-download {
    display: none;
  }

  .hero-facts,
  .info-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .info-grid > div {
    border-bottom: var(--rule-hair) solid var(--color-rule-2);
  }

  .media-grid,
  .gallery-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .chapter-layout {
    grid-template-columns: 1fr;
  }

  .toc {
    position: static;
  }

  .footer-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 47.99rem) {
  :root {
    --space-4xl: 4.75rem;
    --banner-h: 2rem;
    --bar-h: 3.75rem;
  }

  body.has-sticky-cta {
    padding-bottom: 4.5rem;
  }

  .promo-bar {
    justify-content: flex-start;
    font-size: var(--text-xs);
  }

  .wordmark {
    max-width: calc(100vw - 7rem);
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .hero {
    min-height: 44rem;
  }

  .hero-content {
    padding-block: var(--space-xl) var(--space-2xl);
  }

  .hero-media img {
    object-position: 58% center;
  }

  .hero-media::after {
    background: linear-gradient(0deg, var(--color-overlay-strong) 0 45%, var(--color-overlay) 82%, var(--color-overlay-strong) 100%);
  }

  .hero h1 {
    max-width: 12ch;
  }

  .hero-facts,
  .info-grid,
  .feature-grid,
  .guide-grid,
  .platform-grid,
  .requirements-grid,
  .review-snapshot,
  .fit-grid,
  .step-strip,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .hero-facts {
    gap: var(--space-md);
  }

  .hero-facts div {
    padding-right: 0;
  }

  .info-strip {
    margin-top: 0;
    border-inline: 0;
  }

  .info-grid > div {
    border-right: 0;
  }

  .feature-card,
  .feature-card:nth-child(odd),
  .feature-card:nth-child(even) {
    grid-template-columns: auto minmax(0, 1fr);
    padding-inline: 0;
    border-right: 0;
  }

  .media-grid,
  .gallery-grid {
    grid-template-columns: 1fr;
  }

  .review-snapshot > div {
    border-right: 0;
    border-bottom: var(--rule-hair) solid var(--color-night-soft);
  }

  .step + .step {
    border-left: 0;
    border-top: var(--rule-hair) solid var(--color-rule);
  }

  .lightbox {
    padding: var(--space-xs);
  }

  .lightbox-dialog {
    grid-template-columns: 2.6rem minmax(0, 1fr) 2.6rem;
    gap: var(--space-2xs);
  }

  .lightbox-close {
    top: -3.25rem;
    right: 0;
  }

  .footer-grid > div:first-child {
    grid-column: auto;
  }

  .sticky-cta p {
    display: none;
  }

  .sticky-cta .button {
    width: 100%;
  }

  .tabs {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .tab-button {
    padding-inline: var(--space-sm);
  }
}

@media (max-width: 23.5rem) {
  .hero-actions,
  .action-row {
    display: grid;
  }

  .hero-actions .button,
  .action-row .button {
    width: 100%;
  }

  .tabs {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 150ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 150ms !important;
  }

  .petals {
    display: none;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}