/* Hallmark · macrostructure: Narrative Workflow · theme: custom · contrast: pass (40–41)
 * nav: N11 · footer: Ft6 · slop: pass (42–45) · honest: pass (46) · chrome: pass (47)
 * tokens: pass (48) · responsive: pass (49) · mobile: pass (34, 49, 50–57)
 */
@import url("../../tokens.css");

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

html,
body {
  overflow-x: clip;
}

html {
  color-scheme: dark;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-height) + var(--space-md));
}

body {
  margin: 0;
  min-width: 20rem;
  background: var(--color-paper-deep);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 400;
  line-height: 1.65;
  padding-bottom: var(--sticky-cta-height);
}

body.is-locked {
  overflow: hidden;
}

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

img {
  height: auto;
}

a {
  color: var(--color-link);
  text-decoration-thickness: var(--rule-thin);
  text-underline-offset: 0.22em;
}

a:hover {
  color: var(--color-link-strong);
}

button,
a,
summary,
[role="button"] {
  -webkit-tap-highlight-color: transparent;
}

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

button {
  color: inherit;
}

:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
}

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

.skip-link {
  position: fixed;
  inset: var(--space-xs) auto auto var(--space-xs);
  z-index: var(--z-toast);
  padding: var(--space-sm) var(--space-md);
  background: var(--color-ink);
  color: var(--color-paper-deep);
  transform: translateY(-160%);
  transition: transform var(--dur-fast) var(--ease-standard);
}

.skip-link:focus {
  transform: none;
}

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

.section {
  padding-block: var(--space-3xl);
}

.section--tight {
  padding-block: var(--space-2xl);
}

.section--raised {
  background: var(--color-paper);
  color: var(--color-ink);
}

.section--warm {
  background: var(--color-paper-warm);
  color: var(--color-ink);
}

.section-head {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-xs);
  max-width: 56rem;
  margin-bottom: var(--space-xl);
}

.section-kicker,
.eyebrow,
.meta-label,
.stage-number,
.table-label {
  color: var(--color-link);
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.1em;
  line-height: 1.3;
  text-transform: uppercase;
}

h1,
h2,
h3,
h4 {
  margin: 0;
  color: var(--color-ink-strong);
  font-family: var(--font-display);
  font-style: normal;
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.08;
  min-width: 0;
  overflow-wrap: anywhere;
}

h1 {
  font-size: clamp(2.2rem, 3.7vw, 4.3rem);
}

h2 {
  font-size: clamp(2rem, 3vw, var(--text-3xl));
}

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

h4 {
  font-size: var(--text-md);
}

p,
ul,
ol,
dl,
figure,
blockquote {
  margin-block: 0;
}

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

.fine-print {
  color: var(--color-subtle);
  font-size: var(--text-sm);
}

.nowrap {
  white-space: nowrap;
}

.icon {
  width: 1.1rem;
  height: 1.1rem;
  flex: 0 0 auto;
  fill: none;
  stroke: currentColor;
  stroke-linecap: square;
  stroke-linejoin: miter;
  stroke-width: 1.8;
}

.site-nav {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky-nav);
  min-height: var(--nav-height);
  background: var(--color-paper-deep);
  border-bottom: var(--rule-thin) solid var(--color-rule);
}

.site-nav__inner {
  min-height: var(--nav-height);
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  align-items: center;
  gap: var(--space-lg);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  width: fit-content;
  color: var(--color-ink-strong);
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1;
  text-decoration: none;
  white-space: nowrap;
}

.brand__mark {
  display: grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  background: var(--color-vermilion);
  color: var(--color-ink-strong);
  font-size: var(--text-sm);
}

.brand__sub {
  color: var(--color-subtle);
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 400;
  letter-spacing: 0.08em;
}

.site-nav__center,
.site-nav__actions {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.site-nav__actions {
  justify-self: end;
}

.nav-trigger,
.nav-link,
.menu-toggle,
.icon-button,
.filter-button,
.thumb-button,
.lightbox__button {
  min-height: 2.75rem;
  border: var(--rule-thin) solid transparent;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--color-ink);
  cursor: pointer;
  transition: background-color var(--dur-fast) var(--ease-standard), color var(--dur-fast) var(--ease-standard), border-color var(--dur-fast) var(--ease-standard), transform var(--dur-fast) var(--ease-pixel);
  white-space: nowrap;
}

.nav-trigger,
.nav-link {
  padding-inline: var(--space-sm);
  font-size: var(--text-sm);
  text-decoration: none;
}

.nav-trigger:hover,
.nav-link:hover,
.menu-toggle:hover,
.icon-button:hover,
.filter-button:hover,
.lightbox__button:hover {
  background: var(--color-paper-3);
  color: var(--color-ink-strong);
}

.nav-trigger[aria-expanded="true"],
.filter-button[aria-pressed="true"] {
  border-color: var(--color-link);
  background: var(--color-paper-2);
  color: var(--color-link-strong);
}

.nav-trigger:active,
.nav-link:active,
.menu-toggle:active,
.icon-button:active,
.filter-button:active,
.lightbox__button:active {
  transform: translateY(2px);
}

.nav-trigger:disabled,
.menu-toggle:disabled,
.filter-button:disabled,
.button[aria-disabled="true"] {
  cursor: not-allowed;
  opacity: 0.55;
}

.menu-toggle {
  display: none;
  width: 2.75rem;
  padding: 0;
  align-items: center;
  justify-content: center;
}

.mega-panel {
  position: absolute;
  inset: 100% 0 auto;
  z-index: var(--z-dropdown);
  visibility: hidden;
  opacity: 0;
  transform: translateY(-0.5rem);
  background: var(--color-paper);
  border-bottom: var(--rule-strong) solid var(--color-vermilion);
  transition: opacity var(--dur-base) var(--ease-standard), transform var(--dur-base) var(--ease-standard), visibility var(--dur-base);
}

.mega-panel.is-open {
  visibility: visible;
  opacity: 1;
  transform: none;
}

.mega-panel__inner {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr)) minmax(0, 1.15fr);
  gap: var(--space-lg);
  padding-block: var(--space-xl);
}

.mega-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.mega-group__title {
  margin: 0 0 var(--space-xs);
  color: var(--color-subtle);
  font-size: var(--text-xs);
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.mega-link {
  display: block;
  padding: var(--space-sm);
  border-left: var(--rule-thin) solid var(--color-rule);
  color: var(--color-ink);
  text-decoration: none;
}

.mega-link strong,
.mega-link span {
  display: block;
}

.mega-link strong {
  color: var(--color-ink-strong);
}

.mega-link span {
  margin-top: var(--space-2xs);
  color: var(--color-muted);
  font-size: var(--text-sm);
}

.mega-link:hover {
  border-color: var(--color-link);
  background: var(--color-paper-2);
}

.mega-feature {
  padding: var(--space-lg);
  background: var(--color-paper-warm);
  border-left: var(--rule-strong) solid var(--color-vermilion);
}

.nav-scrim {
  position: fixed;
  inset: var(--nav-height) 0 0;
  z-index: calc(var(--z-dropdown) - 1);
  visibility: hidden;
  opacity: 0;
  background: color-mix(in oklch, var(--color-overlay) 62%, transparent);
  transition: opacity var(--dur-base) var(--ease-standard), visibility var(--dur-base);
}

.nav-scrim.is-active {
  visibility: visible;
  opacity: 1;
}

.mobile-nav {
  display: none;
}

.button {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  min-height: 2.9rem;
  padding: var(--space-sm) var(--space-lg);
  border: var(--rule-thin) solid var(--color-link);
  border-radius: var(--radius-sm);
  color: var(--color-ink-strong);
  font-weight: 700;
  line-height: 1.2;
  overflow: hidden;
  text-align: center;
  text-decoration: none;
  transition: background-color var(--dur-fast) var(--ease-standard), border-color var(--dur-fast) var(--ease-standard), color var(--dur-fast) var(--ease-standard), box-shadow var(--dur-fast) var(--ease-pixel), transform var(--dur-fast) var(--ease-pixel);
  white-space: nowrap;
}

.button:hover {
  background: var(--color-paper-3);
  color: var(--color-ink-strong);
}

.button:active,
.button[data-state="loading"] {
  transform: translateY(2px);
}

.button--primary {
  border-color: var(--color-accent);
  background: var(--color-accent);
  color: var(--color-accent-ink);
  box-shadow: 0 4px 0 var(--color-paper-warm);
}

.button--primary::after {
  content: "";
  position: absolute;
  inset: -40% auto -40% -18%;
  width: 12%;
  background: color-mix(in oklch, var(--color-shimmer) 34%, transparent);
  transform: skewX(-18deg) translateX(-250%);
  animation: cta-scan 3.6s var(--ease-standard) infinite;
}

.button--primary:hover {
  border-color: var(--color-cta-hover);
  background: var(--color-cta-hover);
  color: var(--color-cta-ink);
}

.button--primary:active {
  background: var(--color-cta-active);
  box-shadow: 0 2px 0 var(--color-paper-warm);
}

.button[data-state="loading"] {
  cursor: progress;
}

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

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

.button--small {
  min-height: 2.65rem;
  padding-inline: var(--space-md);
  font-size: var(--text-sm);
}

@keyframes cta-scan {
  0%, 68% { transform: skewX(-18deg) translateX(-250%); }
  88%, 100% { transform: skewX(-18deg) translateX(980%); }
}

.hero {
  position: relative;
  padding-block: var(--space-sm) var(--space-lg);
  background: var(--color-paper-deep);
}

.storefront {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  gap: var(--space-lg);
  align-items: stretch;
}

.hero-media,
.product-panel {
  min-width: 0;
}

.hero-media {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.hero-media__main {
  position: relative;
  aspect-ratio: 16 / 9;
  min-height: 0;
  overflow: hidden;
  background: var(--color-paper);
}

.hero-media__main::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  box-shadow: inset 0 0 0 var(--rule-thin) var(--color-rule);
}

.hero-media__main img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  animation: hero-breathe 18s ease-in-out infinite alternate;
}

@keyframes hero-breathe {
  from { transform: scale(1); }
  to { transform: scale(1.035); }
}

.media-caption {
  position: absolute;
  inset: auto auto var(--space-md) var(--space-md);
  z-index: var(--z-raised);
  max-width: min(32rem, calc(100% - (var(--space-md) * 2)));
  padding: var(--space-xs) var(--space-sm);
  background: color-mix(in oklch, var(--color-overlay-strong) 84%, transparent);
  color: var(--color-ink-strong);
  font-size: var(--text-sm);
}

.hero-thumbs {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: var(--space-xs);
}

.thumb-button {
  position: relative;
  min-height: 0;
  padding: 0;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-color: var(--color-rule);
}

.thumb-button img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.thumb-button[aria-current="true"] {
  border-color: var(--color-link);
  box-shadow: inset 0 -3px 0 var(--color-link);
}

.product-panel {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  padding: var(--space-md);
  background: var(--color-paper);
  border-top: var(--rule-strong) solid var(--color-vermilion);
}

.game-lockup {
  width: 100%;
  aspect-ratio: 16 / 6;
  object-fit: cover;
  border: var(--rule-thin) solid var(--color-rule);
}

.tag-row,
.platform-row,
.hero-actions,
.quick-links,
.filters {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
}

.tag {
  display: inline-flex;
  align-items: center;
  min-height: 1.8rem;
  padding-inline: var(--space-xs);
  border-left: 2px solid var(--color-link);
  background: var(--color-paper-2);
  color: var(--color-link-strong);
  font-size: var(--text-xs);
  letter-spacing: 0.04em;
  line-height: 1.2;
  white-space: nowrap;
}

.tag--warm {
  border-color: var(--color-vermilion);
  color: var(--color-ink);
}

.hero-copy {
  max-width: 52ch;
  color: var(--color-muted);
  line-height: 1.5;
}

.product-panel h1 {
  font-size: clamp(2rem, 3vw, 3.4rem);
}

.product-specs {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-block: var(--rule-thin) solid var(--color-rule);
}

.product-specs > div {
  min-width: 0;
  padding: var(--space-xs) 0;
}

.product-specs > div:nth-child(odd) {
  padding-right: var(--space-sm);
}

.product-specs dt,
.product-specs dd {
  margin: 0;
}

.product-specs dt {
  color: var(--color-subtle);
  font-size: var(--text-xs);
}

.product-specs dd {
  color: var(--color-ink-strong);
  font-variant-numeric: tabular-nums;
  font-weight: 700;
}

.price-row {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: var(--space-md);
}

.price {
  color: var(--color-ink-strong);
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  line-height: 1;
}

.price-note {
  color: var(--color-subtle);
  font-size: var(--text-xs);
}

.hero-actions .button--primary {
  flex: 1 1 13rem;
}

.hero-actions .button:not(.button--primary) {
  flex: 0 1 auto;
}

.info-rail {
  background: var(--color-paper-2);
  border-block: var(--rule-thin) solid var(--color-rule);
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
}

.info-cell {
  min-width: 0;
  padding: var(--space-lg) var(--space-md);
  border-left: var(--rule-thin) solid var(--color-rule);
}

.info-cell:last-child {
  border-right: var(--rule-thin) solid var(--color-rule);
}

.info-cell dt,
.info-cell dd {
  margin: 0;
}

.info-cell dt {
  color: var(--color-subtle);
  font-size: var(--text-xs);
}

.info-cell dd {
  margin-top: var(--space-xs);
  color: var(--color-ink-strong);
  font-weight: 700;
  line-height: 1.35;
}

.story-layout {
  display: grid;
  grid-template-columns: minmax(0, 4fr) minmax(0, 7fr);
  gap: var(--space-2xl);
  align-items: start;
}

.story-aside {
  position: sticky;
  top: calc(var(--nav-height) + var(--space-lg));
  padding-top: var(--space-sm);
  border-top: var(--rule-strong) solid var(--color-vermilion);
}

.story-prose {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  max-width: 70ch;
  font-size: var(--text-md);
  line-height: 1.8;
}

.story-prose .head-inline {
  color: var(--color-link-strong);
  font-weight: 700;
}

.workflow {
  counter-reset: stage;
  list-style: none;
  padding: 0;
}

.workflow__item {
  display: grid;
  grid-template-columns: minmax(0, 0.45fr) minmax(0, 1fr);
  gap: var(--space-xl);
  align-items: center;
  padding-block: var(--space-xl);
  border-top: var(--rule-strong) solid var(--color-rule);
  counter-increment: stage;
}

.workflow__item:first-child {
  border-color: var(--color-vermilion);
}

.workflow__copy {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.stage-number::before {
  content: "0" counter(stage) " / 04";
}

.workflow__visual {
  min-width: 0;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--color-paper-2);
}

.workflow__visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

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

.feature-ledger__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: var(--space-md);
  padding-block: var(--space-lg);
  border-top: var(--rule-thin) solid var(--color-rule);
  transition: transform var(--dur-base) var(--ease-standard), border-color var(--dur-base) var(--ease-standard);
}

.feature-ledger__item:hover {
  transform: translateY(-2px);
  border-color: var(--color-link);
}

.feature-ledger__index {
  color: var(--color-vermilion-soft);
  font-family: var(--font-display);
  font-variant-numeric: tabular-nums;
  font-weight: 700;
}

.feature-ledger__item p {
  margin-top: var(--space-xs);
  color: var(--color-muted);
}

.gallery-preview,
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: var(--space-sm);
}

.gallery-card {
  position: relative;
  min-width: 0;
  grid-column: span 4;
  aspect-ratio: 16 / 9;
  padding: 0;
  overflow: hidden;
  border: var(--rule-thin) solid var(--color-rule);
  border-radius: var(--radius-sm);
  background: var(--color-paper-2);
  color: var(--color-ink-strong);
  cursor: zoom-in;
  transition: border-color var(--dur-base) var(--ease-standard), transform var(--dur-base) var(--ease-standard);
}

.gallery-card:nth-child(1),
.gallery-card:nth-child(6) {
  grid-column: span 8;
}

.gallery-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: filter var(--dur-base) var(--ease-standard), transform var(--dur-base) var(--ease-standard);
}

.gallery-card:hover,
.gallery-card:focus-visible {
  border-color: var(--color-link);
  transform: translateY(-2px);
}

.gallery-card:hover img {
  filter: saturate(1.06) contrast(1.04);
  transform: scale(1.02);
}

.gallery-card__label {
  position: absolute;
  inset: auto auto var(--space-xs) var(--space-xs);
  padding: var(--space-2xs) var(--space-xs);
  background: color-mix(in oklch, var(--color-overlay-strong) 84%, transparent);
  color: var(--color-ink-strong);
  font-size: var(--text-xs);
}

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

.filters {
  margin-bottom: var(--space-lg);
}

.filter-button {
  min-height: 2.75rem;
  padding-inline: var(--space-md);
  border-color: var(--color-rule);
  font-size: var(--text-sm);
}

.download-banner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: var(--space-xl);
  align-items: center;
  padding: var(--space-xl);
  background: var(--color-paper-2);
  border-block: var(--rule-strong) solid var(--color-vermilion);
}

.download-banner__copy {
  max-width: 55rem;
}

.download-banner__copy p {
  margin-top: var(--space-xs);
  color: var(--color-muted);
}

.download-banner .button {
  min-width: 14rem;
  min-height: 3.5rem;
}

.timeline {
  border-top: var(--rule-strong) solid var(--color-rule);
}

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

.accordion > summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: var(--space-md);
  align-items: center;
  min-height: 4.5rem;
  padding-block: var(--space-md);
  color: var(--color-ink-strong);
  cursor: pointer;
  list-style: none;
}

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

.accordion__date {
  color: var(--color-link);
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  white-space: nowrap;
}

.accordion__title {
  font-weight: 700;
}

.accordion__toggle {
  display: grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  border: var(--rule-thin) solid var(--color-rule);
  color: var(--color-link-strong);
  font-size: var(--text-md);
}

.accordion[open] .accordion__toggle::before {
  content: "−";
}

.accordion:not([open]) .accordion__toggle::before {
  content: "+";
}

.accordion__body {
  max-width: 70ch;
  padding: 0 var(--space-2xl) var(--space-lg) 8.5rem;
  color: var(--color-muted);
}

.review-summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: var(--space-lg);
  align-items: center;
  padding: var(--space-lg);
  background: var(--color-paper-2);
  border-left: var(--rule-strong) solid var(--color-link);
}

.review-summary__score {
  color: var(--color-link-strong);
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  line-height: 1;
}

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

.audience-card {
  min-width: 0;
  padding: var(--space-lg);
  background: var(--color-paper-2);
  border-top: var(--rule-thin) solid var(--color-rule);
  opacity: 0;
  transform: translateY(0.75rem);
  transition: opacity var(--dur-slow) var(--ease-standard), transform var(--dur-slow) var(--ease-standard), border-color var(--dur-base) var(--ease-standard);
}

.audience-card.is-visible {
  opacity: 1;
  transform: none;
}

.audience-card:hover {
  border-color: var(--color-link);
}

.audience-card p {
  margin-top: var(--space-sm);
  color: var(--color-muted);
}

.faq-list {
  max-width: 62rem;
}

.faq-list .accordion > summary {
  grid-template-columns: minmax(0, 1fr) auto;
}

.faq-list .accordion__body {
  padding-left: 0;
}

.final-cta {
  position: relative;
  min-height: 30rem;
  display: grid;
  align-items: end;
  overflow: hidden;
  background: var(--color-paper-warm);
}

.final-cta__image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.final-cta::after {
  content: "";
  position: absolute;
  inset: 0;
  background: color-mix(in oklch, var(--color-overlay) 62%, transparent);
}

.final-cta__content {
  position: relative;
  z-index: var(--z-raised);
  max-width: 50rem;
  padding-block: var(--space-3xl) var(--space-2xl);
}

.final-cta__content p {
  margin-top: var(--space-md);
  color: var(--color-ink);
}

.final-cta__content .hero-actions {
  margin-top: var(--space-lg);
}

.page-hero {
  padding-block: var(--space-2xl);
  background: var(--color-paper);
  border-bottom: var(--rule-strong) solid var(--color-vermilion);
}

.page-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
  gap: var(--space-2xl);
  align-items: end;
}

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

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  margin-bottom: var(--space-md);
  color: var(--color-subtle);
  font-size: var(--text-sm);
}

.breadcrumbs a {
  white-space: nowrap;
}

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

.platform-card,
.requirement-card,
.guide-card {
  min-width: 0;
  padding: var(--space-xl);
  background: var(--color-paper-2);
  border-top: var(--rule-strong) solid var(--color-rule);
}

.platform-card--recommended {
  border-color: var(--color-cta);
}

.platform-card__head {
  display: flex;
  justify-content: space-between;
  gap: var(--space-md);
  align-items: start;
}

.platform-card p,
.guide-card p {
  margin-top: var(--space-sm);
  color: var(--color-muted);
}

.platform-card .button,
.guide-card .button {
  margin-top: var(--space-lg);
}

.platform-card[data-platform="unverified"] .button {
  border-color: var(--color-disabled);
  background: var(--color-disabled);
  color: var(--color-ink);
  box-shadow: none;
  cursor: not-allowed;
  opacity: 0.55;
}

.install-steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-md);
  padding: 0;
  list-style: none;
  counter-reset: install;
}

.install-steps li {
  position: relative;
  min-width: 0;
  padding: var(--space-lg);
  border-top: var(--rule-strong) solid var(--color-link);
  counter-increment: install;
}

.install-steps li::before {
  content: "0" counter(install);
  display: block;
  margin-bottom: var(--space-md);
  color: var(--color-link);
  font-family: var(--font-display);
  font-weight: 700;
}

.install-steps p {
  margin-top: var(--space-xs);
  color: var(--color-muted);
}

.spec-list {
  margin-top: var(--space-lg);
}

.spec-list div {
  display: grid;
  grid-template-columns: minmax(7rem, 0.45fr) minmax(0, 1fr);
  gap: var(--space-md);
  padding-block: var(--space-sm);
  border-top: var(--rule-thin) solid var(--color-rule);
}

.spec-list dt,
.spec-list dd {
  margin: 0;
}

.spec-list dt {
  color: var(--color-subtle);
}

.guide-layout {
  display: grid;
  grid-template-columns: minmax(13rem, 0.32fr) minmax(0, 1fr);
  gap: var(--space-2xl);
  align-items: start;
}

.guide-toc {
  position: sticky;
  top: calc(var(--nav-height) + var(--space-lg));
  padding: var(--space-lg);
  background: var(--color-paper-2);
  border-top: var(--rule-strong) solid var(--color-vermilion);
}

.guide-toc ol {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  margin-top: var(--space-md);
  padding-left: var(--space-lg);
}

.guide-toc a {
  display: inline-block;
  white-space: nowrap;
}

.guide-article {
  min-width: 0;
}

.guide-section {
  padding-block: 0 var(--space-3xl);
}

.guide-section + .guide-section {
  padding-top: var(--space-xl);
  border-top: var(--rule-strong) solid var(--color-rule);
}

.guide-section > p,
.guide-section > ul,
.guide-section > ol {
  max-width: 72ch;
  margin-top: var(--space-md);
}

.guide-section li + li {
  margin-top: var(--space-xs);
}

.route-table {
  width: 100%;
  margin-top: var(--space-lg);
  border-collapse: collapse;
}

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

.route-table th {
  color: var(--color-link-strong);
}

.notice {
  margin-top: var(--space-lg);
  padding: var(--space-lg);
  background: var(--color-paper-2);
  border-left: var(--rule-strong) solid var(--color-vermilion);
}

.site-footer {
  padding-block: var(--space-3xl) calc(var(--space-2xl) + var(--sticky-cta-height));
  background: var(--color-paper-deep);
  color: var(--color-ink);
}

.footer-close {
  max-width: 80ch;
}

.footer-close__line {
  font-family: var(--font-display);
  font-size: clamp(var(--text-xl), 3.5vw, var(--text-3xl));
  font-style: normal;
  font-weight: 700;
  line-height: 1.15;
}

.footer-close__signature {
  display: block;
  margin-top: var(--space-sm);
  color: var(--color-link);
  font-size: var(--text-md);
}

.footer-index {
  display: grid;
  grid-template-columns: minmax(0, 0.7fr) minmax(0, 1.3fr);
  gap: var(--space-2xl);
  margin-top: var(--space-2xl);
  padding-top: var(--space-xl);
  border-top: var(--rule-thin) solid var(--color-rule);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs) var(--space-lg);
}

.footer-links a {
  white-space: nowrap;
}

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

.footer-related a {
  min-width: 0;
  white-space: nowrap;
}

.footer-legal {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  max-width: 85ch;
  margin-top: var(--space-xl);
  color: var(--color-subtle);
  font-size: var(--text-sm);
}

.sticky-cta {
  position: fixed;
  inset: auto 0 0;
  z-index: var(--z-sticky);
  min-height: var(--sticky-cta-height);
  background: var(--color-paper);
  border-top: var(--rule-thin) solid var(--color-rule);
  box-shadow: 0 -4px 18px color-mix(in oklch, var(--color-shadow) 42%, transparent);
}

.sticky-cta__inner {
  min-height: var(--sticky-cta-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}

.sticky-cta__copy {
  min-width: 0;
  display: flex;
  align-items: baseline;
  gap: var(--space-sm);
}

.sticky-cta__copy strong,
.sticky-cta__copy span {
  white-space: nowrap;
}

.sticky-cta__copy span {
  color: var(--color-subtle);
  font-size: var(--text-sm);
}

.sticky-cta .button {
  min-width: 9rem;
}

.back-to-top {
  position: fixed;
  inset: auto var(--space-md) calc(var(--sticky-cta-height) + var(--space-md));
  z-index: var(--z-sticky);
  visibility: hidden;
  opacity: 0;
  width: 2.9rem;
  height: 2.9rem;
  padding: 0;
  background: var(--color-paper-2);
  border: var(--rule-thin) solid var(--color-rule);
  color: var(--color-ink-strong);
  cursor: pointer;
  transition: opacity var(--dur-base) var(--ease-standard), visibility var(--dur-base);
}

.back-to-top.is-visible {
  visibility: visible;
  opacity: 1;
}

.lightbox {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  display: none;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-lg);
  background: color-mix(in oklch, var(--color-overlay-strong) 92%, transparent);
}

.lightbox.is-open {
  display: grid;
}

.lightbox__figure {
  min-width: 0;
  max-width: min(82rem, 100%);
  margin-inline: auto;
}

.lightbox__image {
  width: 100%;
  max-height: 82vh;
  object-fit: contain;
}

.lightbox__caption {
  margin-top: var(--space-sm);
  color: var(--color-ink);
  text-align: center;
}

.lightbox__button {
  display: grid;
  place-items: center;
  width: 3rem;
  height: 3rem;
  padding: 0;
  border-color: var(--color-rule);
  background: var(--color-paper);
  font-size: var(--text-lg);
}

.lightbox__close {
  position: absolute;
  inset: var(--space-md) var(--space-md) auto auto;
}

.lightbox-status {
  position: fixed;
  inset: auto var(--space-md) calc(var(--sticky-cta-height) + var(--space-md)) auto;
  z-index: var(--z-toast);
  visibility: hidden;
  opacity: 0;
  padding: var(--space-sm) var(--space-md);
  background: var(--color-paper-2);
  border-left: var(--rule-strong) solid var(--color-success);
  color: var(--color-ink-strong);
  transition: opacity var(--dur-base) var(--ease-standard), visibility var(--dur-base);
}

.lightbox-status.is-visible {
  visibility: visible;
  opacity: 1;
}

@media (max-width: 64rem) {
  .site-nav__inner {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .site-nav__center,
  .site-nav__actions {
    display: none;
  }

  .menu-toggle {
    display: inline-flex;
  }

  .mega-panel,
  .nav-scrim {
    display: none;
  }

  .mobile-nav {
    position: fixed;
    inset: var(--nav-height) 0 auto;
    z-index: var(--z-dropdown);
    max-height: calc(100vh - var(--nav-height));
    overflow-y: auto;
    padding: var(--space-md) var(--page-gutter) var(--space-xl);
    background: var(--color-paper);
    border-bottom: var(--rule-strong) solid var(--color-vermilion);
  }

  .mobile-nav.is-open {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
  }

  .mobile-nav a {
    min-height: 2.75rem;
    display: flex;
    align-items: center;
    padding-inline: var(--space-sm);
    border-left: var(--rule-thin) solid var(--color-rule);
    color: var(--color-ink-strong);
    text-decoration: none;
    white-space: nowrap;
  }

  .mobile-nav .button {
    margin-top: var(--space-sm);
  }

  .storefront,
  .story-layout,
  .guide-layout,
  .page-hero__grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .story-aside,
  .guide-toc {
    position: static;
  }

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

  .gallery-card,
  .gallery-card:nth-child(1),
  .gallery-card:nth-child(6) {
    grid-column: span 6;
  }

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

@media (max-width: 48rem) {
  .section {
    padding-block: var(--space-2xl);
  }

  .section-head {
    display: flex;
    flex-direction: column;
  }

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

  .product-panel {
    padding: var(--space-md);
  }

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

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

  .workflow__visual {
    order: -1;
  }

  .feature-ledger,
  .platform-grid,
  .requirements-grid,
  .guide-cards,
  .footer-index,
  .footer-related {
    grid-template-columns: minmax(0, 1fr);
  }

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

  .gallery-card,
  .gallery-card:nth-child(1),
  .gallery-card:nth-child(6) {
    grid-column: span 1;
  }

  .download-banner {
    grid-template-columns: minmax(0, 1fr);
    padding: var(--space-lg);
  }

  .download-banner .button {
    width: 100%;
  }

  .accordion > summary {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .timeline .accordion__date {
    grid-column: 1;
  }

  .timeline .accordion__title {
    grid-column: 1;
  }

  .timeline .accordion__toggle {
    grid-column: 2;
    grid-row: 1 / span 2;
  }

  .accordion__body {
    padding-left: 0;
  }

  .install-steps {
    grid-template-columns: minmax(0, 1fr);
  }

  .route-table,
  .route-table tbody,
  .route-table tr,
  .route-table th,
  .route-table td {
    display: block;
  }

  .route-table thead {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
  }

  .route-table tr {
    padding-block: var(--space-sm);
    border-top: var(--rule-thin) solid var(--color-rule);
  }

  .route-table th,
  .route-table td {
    border: 0;
  }

  .review-summary {
    grid-template-columns: minmax(0, 1fr);
  }

  .sticky-cta__copy span {
    display: none;
  }

  .lightbox {
    grid-template-columns: minmax(0, 1fr);
    padding: var(--space-sm);
  }

  .lightbox__button:not(.lightbox__close) {
    position: absolute;
    inset: auto auto var(--space-lg) var(--space-md);
  }

  .lightbox__next {
    inset-inline: auto var(--space-md) !important;
  }
}

@media (max-width: 40rem) {
  h1 {
    font-size: clamp(2rem, 10vw, 3rem);
  }

  h2 {
    font-size: clamp(1.75rem, 8vw, 2.5rem);
  }

  .brand__sub,
  .price-note {
    display: none;
  }

  .hero {
    padding-top: var(--space-sm);
  }

  .hero-thumbs {
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    padding-bottom: var(--space-xs);
  }

  .thumb-button {
    flex: 0 0 36%;
    scroll-snap-align: start;
  }

  .product-specs {
    grid-template-columns: minmax(0, 1fr);
  }

  .product-specs > div:nth-child(odd) {
    padding-right: 0;
  }

  .hero-actions {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
  }

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

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

  .info-cell,
  .info-cell:last-child {
    display: grid;
    grid-template-columns: minmax(6.5rem, 0.45fr) minmax(0, 1fr);
    gap: var(--space-md);
    border-right: var(--rule-thin) solid var(--color-rule);
    border-bottom: var(--rule-thin) solid var(--color-rule);
  }

  .info-cell dd {
    margin-top: 0;
  }

  .story-prose {
    font-size: var(--text-base);
  }

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

  .platform-card,
  .requirement-card,
  .guide-card {
    padding: var(--space-lg);
  }

  .spec-list div {
    grid-template-columns: minmax(0, 1fr);
    gap: var(--space-2xs);
  }

  .guide-toc a {
    white-space: normal;
  }

  .sticky-cta__copy strong {
    max-width: 10rem;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .sticky-cta .button {
    min-width: 8.25rem;
  }
}

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

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}