@import url("../../tokens.css");

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

html {
  overflow-x: clip;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-height) + var(--space-md));
}

body {
  margin: 0;
  overflow-x: clip;
  background: var(--color-paper);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 400;
  line-height: 1.65;
  padding-block-end: calc(4.75rem + env(safe-area-inset-bottom));
}

body.modal-open { overflow: clip; }

img, video, svg { display: block; max-width: 100%; }
img { height: auto; }
button, a { -webkit-tap-highlight-color: var(--color-transparent); }
button, input { font: inherit; }
a { color: inherit; text-decoration: none; }
button:disabled,
a[aria-disabled="true"] { opacity: 0.55; cursor: not-allowed; pointer-events: none; }
p, h1, h2, h3, h4, ul, ol, dl, dd, figure { margin: 0; }
ul, ol { padding-inline-start: 1.25rem; }
h1, h2, h3, h4 {
  min-width: 0;
  overflow-wrap: anywhere;
  font-family: var(--font-display);
  font-style: normal;
  line-height: 1.15;
}
h1 { font-size: var(--text-display-s); letter-spacing: -0.035em; }
h2 { font-size: clamp(1.85rem, 4vw, 3rem); letter-spacing: -0.025em; }
h3 { font-size: var(--text-lg); }

.skip-link {
  position: fixed;
  inset-block-start: var(--space-sm);
  inset-inline-start: var(--space-sm);
  z-index: var(--z-toast);
  transform: translateY(-160%);
  background: var(--color-ink);
  color: var(--color-paper);
  padding: var(--space-sm) var(--space-md);
}
.skip-link:focus { transform: none; }

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

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

.site-nav {
  position: fixed;
  inset-block-start: 0;
  inset-inline: 0;
  z-index: var(--z-sticky);
  background: var(--color-overlay);
  color: var(--color-ink);
  border-block-end: var(--rule-hair) solid var(--color-rule-2);
}
.nav-inner {
  min-height: var(--nav-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
}
.wordmark {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  min-height: var(--tap-size);
  min-width: var(--tap-size);
  white-space: nowrap;
  font-family: var(--font-display);
  font-weight: 800;
}
.wordmark img { width: 2rem; height: 2rem; object-fit: cover; border-radius: var(--radius-xs); }
.wordmark span { display: none; }
.nav-actions { display: flex; align-items: center; gap: var(--space-xs); }
.nav-menu { position: relative; }
.nav-menu-toggle,
.icon-button {
  min-width: var(--tap-size);
  min-height: var(--tap-size);
  border: var(--rule-hair) solid var(--color-rule);
  border-radius: var(--radius-xs);
  background: var(--color-paper-2);
  color: var(--color-ink);
  cursor: pointer;
  white-space: nowrap;
}
.nav-menu-toggle:hover,
.icon-button:hover { background: var(--color-paper-3); }
.nav-menu-toggle:active,
.icon-button:active { transform: translateY(var(--space-3xs)); }
.nav-menu-panel {
  position: absolute;
  inset-block-start: calc(100% + var(--space-xs));
  inset-inline-end: 0;
  width: 18rem;
  padding: var(--space-xs);
  background: var(--color-paper-2);
  color: var(--color-ink);
  border: var(--rule-hair) solid var(--color-rule);
  box-shadow: var(--shadow-modal);
}
.nav-menu-panel[hidden] { display: none; }
.nav-menu-panel a {
  display: flex;
  align-items: center;
  min-height: var(--tap-size);
  padding-inline: var(--space-sm);
  white-space: nowrap;
  color: var(--color-ink-2);
}
.nav-menu-panel a[aria-current="page"],
.nav-menu-panel a:hover { background: var(--color-paper-3); color: var(--color-link); }

.btn {
  position: relative;
  isolation: isolate;
  display: inline-flex;
  min-height: var(--tap-size);
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  padding: var(--space-sm) var(--space-lg);
  border: var(--rule-strong) solid var(--color-action);
  border-radius: var(--radius-xs);
  background: var(--color-action);
  color: var(--color-action-ink);
  box-shadow: var(--shadow-hard);
  font-weight: 900;
  line-height: 1;
  white-space: nowrap;
  cursor: pointer;
  overflow: clip;
  transition: background-color var(--dur-short) var(--ease-out), transform var(--dur-micro) var(--ease-out);
}
.btn::after {
  content: "";
  position: absolute;
  inset: -30% auto -30% -45%;
  z-index: -1;
  width: 28%;
  transform: skewX(-18deg);
  background: var(--color-overlay-light);
  opacity: 0;
  pointer-events: none;
}
.btn:hover { background: var(--color-action-hover); }
.btn:hover::after,
.btn:focus-visible::after { opacity: 1; transform: translateX(520%) skewX(-18deg); transition: transform var(--dur-long) var(--ease-out); }
.btn:active,
.btn.is-active { transform: translateY(var(--space-3xs)); box-shadow: 0 0.125rem 0 var(--color-shadow); }
.btn[aria-disabled="true"], .btn.is-disabled { opacity: 0.52; cursor: not-allowed; pointer-events: none; }
.btn.is-loading { cursor: progress; }
.btn.is-error { border-color: var(--color-error); background: var(--color-paper-2); color: var(--color-error); }
.btn.is-success { border-color: var(--color-success); background: var(--color-paper-2); color: var(--color-success); }

.btn-secondary {
  display: inline-flex;
  min-height: var(--tap-size);
  align-items: center;
  justify-content: center;
  padding: var(--space-sm) var(--space-lg);
  border: var(--rule-hair) solid var(--color-link);
  border-radius: var(--radius-xs);
  color: var(--color-link);
  background: var(--color-paper-deep);
  font-weight: 700;
  line-height: 1;
  white-space: nowrap;
  transition: background-color var(--dur-short) var(--ease-out), transform var(--dur-micro) var(--ease-out);
}
.btn-secondary:hover { background: var(--color-paper-3); color: var(--color-link-hover); }
.btn-secondary:active { transform: translateY(var(--space-3xs)); }

.hero {
  position: relative;
  padding-block-start: calc(var(--nav-height) + var(--space-md));
  background: var(--color-paper-deep);
  color: var(--color-ink);
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, var(--color-paper-deep), var(--color-purple));
  opacity: 0.6;
}
.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-md);
  padding-block: var(--space-md) var(--space-xl);
}
.hero-media {
  position: relative;
  min-width: 0;
  overflow: clip;
  border: var(--rule-hair) solid var(--color-rule);
  aspect-ratio: 16 / 7;
  background: var(--color-paper-2);
}
.hero-media > img { width: 100%; height: 100%; object-fit: cover; object-position: center; }
.hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, var(--color-overlay-soft), var(--color-transparent));
}
.hero-copy {
  position: absolute;
  inset-inline: var(--space-md);
  inset-block-end: var(--space-md);
  z-index: var(--z-raised);
  max-width: 46rem;
  display: grid;
  gap: var(--space-sm);
}
.hero-logo { width: min(20rem, 70%); height: auto; }
.hero h1 { max-width: 19ch; text-shadow: 0 0.1rem 0.75rem var(--color-shadow); }
.nowrap-chunk { white-space: nowrap; }
.hero-english { display: block; margin-block-start: var(--space-xs); font-family: var(--font-body); font-size: var(--text-sm); line-height: 1.2; letter-spacing: 0.08em; text-transform: uppercase; }
.hero-subtitle { max-width: 55ch; color: var(--color-ink-2); font-size: var(--text-md); line-height: 1.5; }
.tag-row { display: flex; flex-wrap: wrap; gap: var(--space-xs); }
.tag {
  display: inline-flex;
  align-items: center;
  min-height: 2rem;
  padding-inline: var(--space-sm);
  background: var(--color-overlay);
  color: var(--color-ink-2);
  border: var(--rule-hair) solid var(--color-rule);
  border-radius: var(--radius-xs);
  font-size: var(--text-sm);
  white-space: nowrap;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: var(--space-sm); }
.hero-buy {
  display: grid;
  grid-template-columns: 7.5rem minmax(0, 1fr);
  gap: var(--space-md);
  padding: var(--space-md);
  background: var(--color-paper-2);
  color: var(--color-ink);
  border-block-start: var(--rule-hair) solid var(--color-rule);
}
.cover-frame { position: relative; min-width: 0; }
.cover-frame img { width: 100%; aspect-ratio: 2 / 3; object-fit: cover; }
.corner-badge {
  position: absolute;
  inset-block-start: var(--space-xs);
  inset-inline-end: var(--space-xs);
  padding: var(--space-2xs) var(--space-xs);
  background: var(--color-vermilion);
  color: var(--color-ink);
  font-size: var(--text-xs);
  font-weight: 900;
}
.buy-copy { display: grid; align-content: start; gap: var(--space-sm); }
.buy-copy h2 { font-size: var(--text-lg); }
.buy-copy dl { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: var(--space-2xs) var(--space-sm); font-size: var(--text-sm); }
.buy-copy dt { color: var(--color-muted); }
.buy-copy dd { color: var(--color-ink-2); }
.buy-copy .btn { width: 100%; margin-block-start: auto; }

.info-rail {
  background: var(--color-purple);
  color: var(--color-ink);
  border-block: var(--rule-hair) solid var(--color-rule);
}
.info-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); }
.info-item { min-width: 0; padding: var(--space-md); border-inline-end: var(--rule-hair) solid var(--color-rule); border-block-end: var(--rule-hair) solid var(--color-rule); }
.info-item span { display: block; color: var(--color-muted); font-size: var(--text-sm); }
.info-item strong { display: block; margin-block-start: var(--space-2xs); overflow-wrap: anywhere; font-variant-numeric: tabular-nums; }

.section { padding-block: var(--space-3xl); }
.section-tight { padding-block: var(--space-2xl); }
.section-deep { background: var(--color-paper-deep); color: var(--color-ink); }
.section-purple { background: var(--color-purple); color: var(--color-ink); }
.section-head { display: grid; gap: var(--space-sm); margin-block-end: var(--space-xl); }
.section-head p { max-width: 62ch; color: var(--color-muted); font-size: var(--text-md); }
.section-head a { color: var(--color-link); text-decoration: underline; text-underline-offset: var(--space-2xs); }
.section-head > a { width: fit-content; min-height: var(--tap-size); display: inline-flex; align-items: center; }

.story-layout { display: grid; gap: var(--space-xl); }
.story-copy { display: grid; gap: var(--space-lg); max-width: 66ch; font-size: var(--text-md); color: var(--color-ink-2); }
.story-aside { align-self: start; padding: var(--space-lg); background: var(--color-paper-2); border-block-start: var(--rule-strong) solid var(--color-vermilion); }
.story-aside h3 { margin-block-end: var(--space-md); }
.story-aside ul { display: grid; gap: var(--space-sm); color: var(--color-ink-2); }

.feature-grid { display: grid; grid-template-columns: minmax(0, 1fr); gap: var(--space-sm); }
.feature-card {
  min-width: 0;
  padding: var(--space-lg);
  background: var(--color-paper-2);
  color: var(--color-ink);
  border: var(--rule-hair) solid var(--color-rule-2);
  transition: transform var(--dur-short) var(--ease-out), background-color var(--dur-short) var(--ease-out);
}
.feature-card h3 { display: flex; align-items: baseline; gap: var(--space-xs); }
.feature-card h3::before { content: ""; width: var(--space-xs); height: var(--space-xs); flex: 0 0 auto; background: var(--color-vermilion); }
.feature-card p { margin-block-start: var(--space-sm); color: var(--color-muted); }

.media-strip { display: grid; grid-template-columns: minmax(0, 1fr); gap: var(--space-sm); }
.media-tile { position: relative; min-width: 0; overflow: clip; border: var(--rule-hair) solid var(--color-rule); background: var(--color-paper-2); color: var(--color-ink); cursor: zoom-in; padding: 0; }
.media-tile img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; transition: opacity var(--dur-short) var(--ease-out), transform var(--dur-short) var(--ease-out); }
.media-tile span { position: absolute; inset-inline: var(--space-sm); inset-block-end: var(--space-sm); padding: var(--space-2xs) var(--space-xs); background: var(--color-overlay); color: var(--color-ink); font-size: var(--text-sm); }
.media-tile:hover img { opacity: 0.86; transform: scale(1.01); }
.media-tile:active img { transform: scale(1); }

.split-callout { display: grid; gap: var(--space-xl); align-items: center; }
.split-callout img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; border: var(--rule-hair) solid var(--color-rule); }
.callout-copy { display: grid; gap: var(--space-md); }
.callout-copy p { color: var(--color-muted); max-width: 55ch; }
.mechanic-list { display: grid; gap: var(--space-xs); list-style: none; padding: 0; }
.mechanic-list li { padding: var(--space-sm) 0; border-block-end: var(--rule-hair) solid var(--color-rule); }
.mechanic-list strong { color: var(--color-link); }

.timeline { position: relative; display: grid; gap: var(--space-md); }
.timeline::before { content: ""; position: absolute; inset-block: var(--space-md); inset-inline-start: 1rem; width: var(--rule-hair); background: var(--color-rule); }
.timeline-item { position: relative; display: grid; grid-template-columns: 2rem minmax(0, 1fr); gap: var(--space-md); }
.timeline-marker { position: relative; z-index: var(--z-base); display: grid; width: 2rem; height: 2rem; place-items: center; background: var(--color-vermilion); color: var(--color-ink); font-weight: 900; }
.timeline-card { padding: var(--space-md); background: var(--color-paper-2); color: var(--color-ink); border: var(--rule-hair) solid var(--color-rule); }
.timeline-card time { color: var(--color-link); font-variant-numeric: tabular-nums; }
.timeline-card p { margin-block-start: var(--space-xs); color: var(--color-muted); }

.audience-grid { display: grid; gap: var(--space-sm); }
.audience-card { padding: var(--space-lg); border-block-start: var(--rule-hair) solid var(--color-rule); }
.audience-card h3 { color: var(--color-link); }
.audience-card p { margin-block-start: var(--space-sm); color: var(--color-muted); }

.faq-list { border-block-start: var(--rule-hair) solid var(--color-rule); }
.faq-item { border-block-end: var(--rule-hair) solid var(--color-rule); }
.faq-question {
  width: 100%;
  min-height: var(--tap-size);
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-lg) 0;
  border: 0;
  background: var(--color-transparent);
  color: var(--color-ink);
  text-align: start;
  cursor: pointer;
}
.faq-question h3 { font-size: var(--text-md); font-family: var(--font-body); }
.faq-question:hover { background: var(--color-paper-2); }
.faq-question:active { background: var(--color-paper-3); }
.faq-symbol { width: 2rem; height: 2rem; display: grid; place-items: center; border: var(--rule-hair) solid var(--color-rule); color: var(--color-link); }
.faq-panel { display: grid; grid-template-rows: 0fr; transition: grid-template-rows var(--dur-long) var(--ease-in-out); }
.faq-panel > div { overflow: hidden; }
.faq-panel p { padding-block-end: var(--space-lg); max-width: 70ch; color: var(--color-muted); }
.faq-item.is-open .faq-panel { grid-template-rows: 1fr; }

.download-box { display: grid; gap: var(--space-lg); padding: var(--space-xl); background: var(--color-purple); color: var(--color-ink); border: var(--rule-hair) solid var(--color-rule); }
.download-box p { max-width: 58ch; color: var(--color-ink-2); }
.download-box .btn { justify-self: start; min-width: min(100%, 18rem); }

.final-cta { background: var(--color-paper-deep); color: var(--color-ink); padding-block: var(--space-3xl); }
.final-grid { display: grid; gap: var(--space-xl); align-items: end; }
.final-copy { display: grid; gap: var(--space-md); }
.final-copy p { max-width: 58ch; color: var(--color-muted); }
.final-actions { display: flex; flex-wrap: wrap; gap: var(--space-sm); }

.footer { padding-block: var(--space-3xl) var(--space-xl); background: var(--color-purple); color: var(--color-ink); }
.footer-brand { display: grid; gap: var(--space-xs); max-width: 60ch; margin-block-end: var(--space-xl); }
.footer-brand p { color: var(--color-muted); }
.footer-statement { max-width: 28ch; font-family: var(--font-display); font-size: clamp(1.9rem, 5vw, 3.4rem); font-weight: 800; line-height: 1.1; letter-spacing: -0.025em; }
.footer-links-grid { display: grid; gap: var(--space-xl); margin-block-start: var(--space-2xl); }
.footer-group h3 { margin-block-end: var(--space-sm); font-size: var(--text-base); color: var(--color-muted); }
.footer-group nav { display: flex; flex-wrap: wrap; gap: var(--space-xs) var(--space-lg); }
.footer-group a { min-width: var(--tap-size); min-height: var(--tap-size); display: inline-flex; align-items: center; color: var(--color-link); text-decoration: underline; text-underline-offset: var(--space-2xs); white-space: nowrap; }
.footer-meta { display: grid; gap: var(--space-xs); margin-block-start: var(--space-xl); padding-block-start: var(--space-md); border-block-start: var(--rule-hair) solid var(--color-rule); color: var(--color-muted); font-size: var(--text-sm); }

.sticky-cta { position: fixed; inset-inline: 0; inset-block-end: 0; z-index: var(--z-sticky); display: flex; align-items: center; justify-content: space-between; gap: var(--space-sm); padding: var(--space-sm) max(var(--space-md), env(safe-area-inset-right)) max(var(--space-sm), env(safe-area-inset-bottom)) max(var(--space-md), env(safe-area-inset-left)); background: var(--color-overlay); color: var(--color-ink); border-block-start: var(--rule-hair) solid var(--color-rule); }
.sticky-cta span { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--color-muted); font-size: var(--text-sm); }
.sticky-cta .btn { flex: 0 0 auto; }
.back-top { position: fixed; inset-inline-end: var(--space-md); inset-block-end: 5.5rem; z-index: var(--z-sticky); opacity: 0; pointer-events: none; transform: translateY(var(--space-xs)); }
.back-top.is-visible { opacity: 1; pointer-events: auto; transform: none; }

.page-hero { padding-block: calc(var(--nav-height) + var(--space-2xl)) var(--space-2xl); background: var(--color-purple); color: var(--color-ink); }
.page-hero .container { display: grid; gap: var(--space-md); }
.page-hero p { max-width: 62ch; color: var(--color-muted); font-size: var(--text-md); }
.breadcrumb { display: flex; flex-wrap: wrap; gap: var(--space-xs); color: var(--color-link); font-size: var(--text-sm); }
.breadcrumb a { min-width: var(--tap-size); min-height: var(--tap-size); display: inline-flex; align-items: center; text-decoration: underline; text-underline-offset: var(--space-2xs); white-space: nowrap; }

.tabbar { display: flex; flex-wrap: wrap; gap: var(--space-xs); margin-block-end: var(--space-xl); }
.tab-button { min-height: var(--tap-size); padding-inline: var(--space-md); border: var(--rule-hair) solid var(--color-rule); border-radius: var(--radius-xs); background: var(--color-paper-2); color: var(--color-ink-2); cursor: pointer; white-space: nowrap; }
.tab-button[aria-selected="true"] { background: var(--color-link); color: var(--color-paper-deep); border-color: var(--color-link); }
.tab-button:hover { background: var(--color-paper-3); }
.tab-button:active { transform: translateY(var(--space-3xs)); }
.gallery-grid { display: grid; grid-template-columns: minmax(0, 1fr); gap: var(--space-sm); }
.gallery-item[hidden] { display: none; }

.lightbox {
  position: fixed;
  inset: 0;
  margin: auto;
  width: min(94%, 80rem);
  height: fit-content;
  max-height: 90dvh;
  padding: var(--space-md);
  border: var(--rule-hair) solid var(--color-rule);
  background: var(--color-paper-deep);
  color: var(--color-ink);
  box-shadow: var(--shadow-modal);
}
.lightbox::backdrop { background: var(--color-overlay); }
.lightbox-layout { display: grid; gap: var(--space-sm); }
.lightbox figure { min-width: 0; }
.lightbox img { width: 100%; max-height: 76dvh; object-fit: contain; background: var(--color-paper-deep); }
.lightbox-controls { display: flex; justify-content: space-between; align-items: center; gap: var(--space-xs); }
.lightbox-caption { color: var(--color-muted); text-align: center; }

.platform-grid { display: grid; gap: var(--space-md); }
.platform-card { display: grid; gap: var(--space-md); padding: var(--space-xl); background: var(--color-paper-2); color: var(--color-ink); border: var(--rule-hair) solid var(--color-rule); }
.platform-card dl { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: var(--space-xs) var(--space-md); }
.platform-card dt { color: var(--color-muted); }
.platform-card dd { color: var(--color-ink-2); }

.steps { display: grid; gap: var(--space-md); counter-reset: step; }
.step { counter-increment: step; display: grid; grid-template-columns: 2.5rem minmax(0, 1fr); gap: var(--space-md); padding-block: var(--space-md); border-block-end: var(--rule-hair) solid var(--color-rule); }
.step::before { content: counter(step, decimal-leading-zero); display: grid; place-items: center; width: 2.5rem; height: 2.5rem; background: var(--color-vermilion); color: var(--color-ink); font-weight: 900; }
.step p { margin-block-start: var(--space-xs); color: var(--color-muted); }

.requirements-grid { display: grid; gap: var(--space-md); }
.requirements-card { padding: var(--space-lg); background: var(--color-paper-2); border: var(--rule-hair) solid var(--color-rule); }
.spec-list { margin-block-start: var(--space-md); }
.spec-row { display: grid; grid-template-columns: minmax(7rem, 0.4fr) minmax(0, 1fr); gap: var(--space-md); padding-block: var(--space-sm); border-block-end: var(--rule-hair) solid var(--color-rule-2); }
.spec-row dt { color: var(--color-muted); }
.spec-row dd { color: var(--color-ink-2); }

.guide-layout { display: grid; gap: var(--space-xl); }
.guide-toc { align-self: start; padding: var(--space-md); background: var(--color-paper-2); border: var(--rule-hair) solid var(--color-rule); }
.guide-toc h2 { font-size: var(--text-md); }
.guide-toc ol { display: grid; gap: var(--space-xs); margin-block-start: var(--space-md); }
.guide-toc a { min-height: var(--tap-size); display: inline-flex; align-items: center; color: var(--color-link); text-decoration: underline; text-underline-offset: var(--space-2xs); }
.guide-content { min-width: 0; display: grid; gap: var(--space-3xl); }
.guide-chapter { display: grid; gap: var(--space-md); scroll-margin-top: calc(var(--nav-height) + var(--space-lg)); }
.guide-chapter p, .guide-chapter li { color: var(--color-ink-2); }
.guide-chapter ul, .guide-chapter ol { display: grid; gap: var(--space-sm); }
.guide-cards { display: grid; gap: var(--space-md); }
.guide-card { display: grid; gap: var(--space-sm); padding: var(--space-lg); background: var(--color-paper-2); color: var(--color-ink); border: var(--rule-hair) solid var(--color-rule); }
.guide-card a { min-height: var(--tap-size); display: inline-flex; align-items: center; justify-self: start; color: var(--color-link); text-decoration: underline; text-underline-offset: var(--space-2xs); white-space: nowrap; }
.check-table { width: 100%; border-collapse: collapse; }
.check-table th, .check-table td { padding: var(--space-sm); border-block-end: var(--rule-hair) solid var(--color-rule); text-align: start; vertical-align: top; }
.check-table th { color: var(--color-muted); font-weight: 700; }
.check-table td { color: var(--color-ink-2); }

@media (hover: hover) and (pointer: fine) {
  .feature-card:hover { transform: translateY(calc(var(--space-3xs) * -1)); background: var(--color-paper-3); }
}

@media (min-width: 40rem) {
  .wordmark span { display: inline; }
  .hero-grid { grid-template-columns: minmax(0, 7fr) minmax(15rem, 3fr); align-items: stretch; }
  .hero-buy { grid-template-columns: minmax(0, 1fr); align-content: start; border: var(--rule-hair) solid var(--color-rule); }
  .cover-frame { max-width: 12rem; }
  .buy-copy dl { grid-template-columns: auto minmax(0, 1fr); }
  .info-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .feature-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .media-strip { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .audience-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .gallery-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .requirements-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .guide-cards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-links-grid { grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.6fr); }
  .footer-meta { grid-template-columns: minmax(0, 1fr) auto; }
}

@media (min-width: 60rem) {
  .hero { display: grid; align-items: center; }
  .hero-grid { padding-block: var(--space-xl); }
  .hero-media { min-height: 34rem; aspect-ratio: auto; }
  .hero-copy { inset-inline: var(--space-xl); inset-block-end: var(--space-xl); }
  .hero-buy { grid-template-rows: auto minmax(0, 1fr); }
  .cover-frame { width: 9rem; max-width: 100%; margin-inline: auto; }
  .info-grid { grid-template-columns: repeat(6, minmax(0, 1fr)); }
  .info-item { border-block-end: 0; }
  .story-layout { grid-template-columns: minmax(0, 1.55fr) minmax(16rem, 0.75fr); align-items: start; }
  .feature-grid { grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.85fr) minmax(0, 1fr); }
  .feature-card:nth-child(1), .feature-card:nth-child(4) { padding-block: var(--space-xl); }
  .media-strip { grid-template-columns: minmax(0, 1.5fr) minmax(0, 0.75fr) minmax(0, 0.75fr); }
  .media-tile:first-child { grid-row: span 2; }
  .media-tile:first-child img { height: 100%; }
  .split-callout { grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr); }
  .split-callout.is-reverse img { order: 2; }
  .split-callout.is-reverse .callout-copy { order: 1; }
  .audience-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .final-grid { grid-template-columns: minmax(0, 1.5fr) auto; }
  .gallery-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .gallery-item:nth-child(1), .gallery-item:nth-child(6) { grid-column: span 2; }
  .platform-grid { grid-template-columns: minmax(0, 1.25fr) minmax(16rem, 0.75fr); }
  .guide-layout { grid-template-columns: minmax(13rem, 0.3fr) minmax(0, 1fr); }
  .guide-toc { position: sticky; inset-block-start: calc(var(--nav-height) + var(--space-lg)); }
}

@media (min-width: 90rem) {
  .hero-grid { width: min(100%, 86rem); }
}

@media (max-width: 39.999rem) {
  .hero-media { aspect-ratio: 4 / 5; }
  .hero-media > img { object-position: 70% center; }
  .hero-copy { inset-inline: var(--space-sm); }
  .hero-logo { width: min(16rem, 80%); }
  .hero-subtitle { font-size: var(--text-base); }
  .hero-actions > * { flex: 1 1 100%; }
  .hero-buy { grid-template-columns: 6rem minmax(0, 1fr); }
  .buy-copy dl { display: none; }
  .buy-copy .btn { grid-column: 1 / -1; }
  .section { padding-block: var(--space-2xl); }
  .download-box .btn, .final-actions > * { width: 100%; }
  .check-table, .check-table tbody, .check-table tr, .check-table th, .check-table td { display: block; }
  .check-table thead { position: absolute; width: 1px; height: 1px; overflow: clip; clip-path: inset(50%); }
  .check-table tr { padding-block: var(--space-sm); border-block-end: var(--rule-hair) solid var(--color-rule); }
  .check-table td { border: 0; padding: var(--space-2xs) 0; }
  .check-table td::before { content: attr(data-label); display: block; color: var(--color-muted); font-size: var(--text-sm); }
  .sticky-cta > span { display: none; }
  .sticky-cta .btn { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: var(--dur-micro) !important; animation-iteration-count: 1 !important; transition-duration: var(--dur-micro) !important; }
  .btn::after { display: none; }
  .media-tile img, .feature-card, .back-top { transform: none !important; }
}