:root {
  --color-page: #F4F1EE;
  --color-surface: #FFFFFF;
  --color-surface-muted: #EAE6E1;
  --color-line: #DDD8D2;
  --color-accent: #A31E39;
  --color-accent-deep: #6F1128;
  --color-ink: #1C1917;
  --color-muted: #6E6862;
  --color-success: #1E8A5E;
  --color-warning: #E8A33D;
  --color-error: #C23B2E;
  --color-device: #221E1B;
  --color-device-text: #FFFFFF;
  --color-device-muted: rgba(255, 255, 255, 0.74);
  --color-device-faint: rgba(255, 255, 255, 0.14);
  --color-device-fill: rgba(255, 255, 255, 0.20);
  --color-device-line: rgba(255, 255, 255, 0.42);
  --color-device-glow: rgba(255, 255, 255, 0.22);
  --color-overlay: rgba(28, 25, 23, 0.54);
  --color-focus: rgba(163, 30, 57, 0.28);
  --color-accent-shadow: rgba(163, 30, 57, 0.42);
  --color-ink-shadow: rgba(28, 25, 23, 0.30);
  --color-ink-shadow-soft: rgba(28, 25, 23, 0.14);
  --color-ink-shadow-faint: rgba(28, 25, 23, 0.08);

  --font-display: 'Inter', 'Noto Sans SC', -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-body: 'Inter', 'Noto Sans SC', -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Consolas, 'Courier New', monospace;

  --radius-small: 12px;
  --radius-card: 22px;
  --radius-panel: 32px;
  --radius-panel-large: 36px;
  --radius-pill: 999px;

  --shadow-panel: 0 18px 40px -18px var(--color-ink-shadow), 0 6px 14px -8px var(--color-ink-shadow-soft);
  --shadow-soft: 0 10px 26px -14px var(--color-ink-shadow-soft), 0 3px 8px -4px var(--color-ink-shadow-faint);
  --shadow-button: 0 10px 22px -10px var(--color-accent-shadow), 0 3px 8px -4px var(--color-accent-shadow);

  --content-width: 1176px;
  --header-width: 1280px;
  --reading-width: 820px;
  --gutter: clamp(16px, 3vw, 32px);
  --section-space: clamp(72px, 9vw, 132px);
  --transition-fast: 150ms ease;
  --transition-reveal: 620ms cubic-bezier(0.2, 0.75, 0.25, 1);
}

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

html {
  background: var(--color-page);
  color: var(--color-ink);
  scroll-behavior: smooth;
  text-size-adjust: 100%;
}

html.nav-open {
  overflow: hidden;
}

body {
  min-width: 320px;
  margin: 0;
  background: var(--color-page);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.68;
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
}

main,
section,
article,
aside,
header,
footer,
nav,
div {
  min-width: 0;
}

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

img {
  height: auto;
}

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

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

button {
  border: 0;
}

a {
  color: inherit;
  text-decoration: none;
}

a:focus-visible,
button:focus-visible,
summary:focus-visible,
[tabindex]:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 3px;
}

p,
ul,
ol,
dl,
figure,
blockquote,
pre,
table {
  margin-top: 0;
  margin-bottom: 1.25em;
}

ul,
ol {
  padding-left: 1.35em;
}

li + li {
  margin-top: 0.45em;
}

h1,
h2,
h3,
h4 {
  margin-top: 0;
  color: var(--color-ink);
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 1.18;
  text-wrap: balance;
}

h1,
.hero-title {
  margin-bottom: 0.55em;
  font-size: clamp(34px, 4vw, 48px);
  letter-spacing: -0.018em;
}

h2 {
  margin-bottom: 0.55em;
  font-size: clamp(30px, 3.6vw, 44px);
  letter-spacing: -0.012em;
}

h3 {
  margin-bottom: 0.55em;
  font-size: clamp(22px, 2.3vw, 30px);
}

h4 {
  margin-bottom: 0.5em;
  font-size: 19px;
  font-weight: 600;
}

strong {
  font-weight: 600;
}

small {
  font-size: 0.875rem;
}

code,
kbd,
samp,
pre {
  font-family: var(--font-mono);
}

:not(pre) > code {
  padding: 0.14em 0.4em;
  border-radius: 0.4em;
  background: var(--color-surface-muted);
  color: var(--color-ink);
  font-size: 0.9em;
  overflow-wrap: anywhere;
}

pre {
  max-width: 100%;
  padding: 22px;
  overflow-x: auto;
  border-radius: var(--radius-card);
  background: var(--color-device);
  color: var(--color-device-text);
  font-size: 0.9rem;
  line-height: 1.7;
  tab-size: 2;
  -webkit-overflow-scrolling: touch;
}

pre code {
  color: inherit;
  white-space: pre;
}

table {
  width: 100%;
  border-collapse: collapse;
  background: var(--color-surface);
  color: var(--color-ink);
}

th,
td {
  padding: 15px 18px;
  border-bottom: 1px solid var(--color-line);
  text-align: left;
  vertical-align: top;
}

th {
  background: var(--color-surface-muted);
  color: var(--color-ink);
  font-weight: 600;
}

.wrap {
  width: 100%;
  max-width: calc(var(--content-width) + var(--gutter) * 2);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.reading-wrap {
  width: 100%;
  max-width: calc(var(--reading-width) + var(--gutter) * 2);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section {
  padding-top: var(--section-space);
  padding-bottom: var(--section-space);
}

.section-compact {
  padding-top: clamp(48px, 6vw, 84px);
  padding-bottom: clamp(48px, 6vw, 84px);
}

.section-heading {
  max-width: 780px;
  margin-bottom: clamp(28px, 5vw, 56px);
}

.eyebrow,
.section-marker {
  display: flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 14px;
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.13em;
  text-transform: lowercase;
}

.eyebrow::before,
.section-marker::before {
  width: 8px;
  height: 8px;
  border-radius: var(--radius-pill);
  background: var(--color-accent);
  content: "";
  flex-shrink: 0;
}

.section-marker.is-warm::before {
  background: var(--color-warning);
}

.accent-text,
.text-link {
  color: var(--color-accent);
}

.keyword-underline {
  border-bottom: 3px solid var(--color-accent);
  padding-bottom: 2px;
  white-space: nowrap;
}

.no-break {
  white-space: nowrap;
}

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

.lead {
  max-width: 740px;
  color: var(--color-muted);
  font-size: clamp(17px, 1.7vw, 20px);
  line-height: 1.72;
}

.text-link {
  border-bottom: 1px solid var(--color-accent);
  transition: color var(--transition-fast), border-color var(--transition-fast);
}

.text-link:hover {
  border-color: var(--color-accent-deep);
  color: var(--color-accent-deep);
}

.button,
.button-secondary,
.button-quiet {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 12px 26px;
  border-radius: var(--radius-pill);
  cursor: pointer;
  font-weight: 600;
  line-height: 1.2;
  transition: background-color var(--transition-fast), color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
}

.button {
  background: var(--color-accent);
  color: var(--color-surface);
  box-shadow: var(--shadow-button);
}

.button:hover {
  background: var(--color-accent-deep);
  color: var(--color-surface);
  transform: translateY(-1px);
}

.button-secondary {
  background: var(--color-surface);
  color: var(--color-ink);
  box-shadow: var(--shadow-soft);
}

.button-secondary:hover {
  background: var(--color-surface-muted);
  color: var(--color-ink);
  transform: translateY(-1px);
}

.button-quiet {
  padding-inline: 10px;
  background: transparent;
  color: var(--color-ink);
}

.button-quiet:hover {
  color: var(--color-accent);
}

.button[aria-disabled="true"],
.button:disabled,
.button-secondary:disabled {
  cursor: not-allowed;
  opacity: 0.55;
  transform: none;
}

.button svg,
.button-secondary svg,
.button-quiet svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.button-row {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.panel,
.card {
  background: var(--color-surface);
  color: var(--color-ink);
  box-shadow: var(--shadow-soft);
}

.panel {
  border-radius: var(--radius-panel);
  padding: clamp(28px, 5vw, 64px);
}

.panel.is-muted {
  background: var(--color-surface-muted);
  color: var(--color-ink);
}

.card {
  border-radius: var(--radius-card);
  padding: 26px;
}

.feature-panel {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(340px, 1.1fr);
  align-items: center;
  gap: clamp(36px, 7vw, 94px);
  min-height: min(680px, 76vh);
  border-radius: var(--radius-panel-large);
  padding: clamp(38px, 7vw, 88px);
  background: var(--color-surface);
  color: var(--color-ink);
  box-shadow: var(--shadow-soft);
}

.feature-panel.is-muted {
  background: var(--color-surface-muted);
  color: var(--color-ink);
}

.feature-copy p {
  max-width: 620px;
  color: var(--color-muted);
}

.feature-prop {
  min-width: 0;
}

.tilt,
.tilt-card {
  transform: rotate(-0.35deg);
  transform-origin: center;
}

.chip-row,
.platform-row {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.chip,
.platform-chip {
  display: inline-flex;
  max-width: 100%;
  min-height: 36px;
  align-items: center;
  gap: 8px;
  padding: 7px 13px;
  border-radius: var(--radius-pill);
  background: var(--color-surface);
  color: var(--color-ink);
  box-shadow: var(--shadow-soft);
  line-height: 1.25;
  overflow-wrap: anywhere;
}

.platform-chip svg {
  width: 17px;
  height: 17px;
  flex-shrink: 0;
}

.platform-chip:hover {
  color: var(--color-accent);
}

.icon-dot {
  width: 7px;
  height: 7px;
  border-radius: var(--radius-pill);
  background: var(--color-warning);
  flex-shrink: 0;
}

.prose {
  color: var(--color-ink);
}

.prose > * {
  max-width: 100%;
}

.prose h2 {
  margin-top: 2.2em;
}

.prose h3 {
  margin-top: 1.8em;
}

.prose a {
  color: var(--color-accent);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

.prose img {
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-soft);
}

.prose > .data-table {
  display: block;
  max-width: 100%;
  min-width: 0;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity var(--transition-reveal), transform var(--transition-reveal);
}

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

/* Shared injected header */
.site-header {
  position: relative;
  z-index: 100;
  padding-top: 18px;
}

.header-shell {
  position: relative;
  display: flex;
  width: 100%;
  max-width: min(100%, calc(var(--header-width) + var(--gutter) * 2));
  min-height: 62px;
  margin-inline: auto;
  padding: 9px 13px 9px 26px;
  align-items: center;
  gap: 24px;
  border-radius: var(--radius-pill);
  background: var(--color-surface);
  color: var(--color-ink);
  box-shadow: var(--shadow-soft);
}

.site-brand {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 11px;
}

.site-brand img {
  width: 23px;
  height: 23px;
  flex-shrink: 0;
}

.site-brand span {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 600;
  letter-spacing: 0.01em;
  white-space: nowrap;
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
}

.desktop-nav a {
  display: flex;
  min-height: 42px;
  align-items: center;
  justify-content: center;
  padding: 9px 17px;
  border-radius: var(--radius-pill);
  color: var(--color-muted);
  font-size: 15px;
  transition: color var(--transition-fast), background-color var(--transition-fast);
}

.desktop-nav a:hover {
  background: var(--color-surface-muted);
  color: var(--color-ink);
}

.desktop-nav a.is-active {
  background: var(--color-accent);
  color: var(--color-surface);
}

.desktop-nav a.is-active:hover {
  background: var(--color-accent-deep);
  color: var(--color-surface);
}

.header-tools {
  position: relative;
  display: flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 8px;
}

.language-toggle {
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  justify-content: center;
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  background: var(--color-surface-muted);
  color: var(--color-muted);
  cursor: pointer;
  white-space: nowrap;
}

.language-toggle:hover {
  color: var(--color-ink);
}

.language-short {
  display: none;
}

.language-menu {
  position: absolute;
  z-index: 104;
  top: calc(100% + 10px);
  right: 0;
  width: 190px;
  padding: 8px;
  border-radius: var(--radius-card);
  background: var(--color-surface);
  color: var(--color-ink);
  box-shadow: var(--shadow-panel);
}

.language-menu[hidden] {
  display: none;
}

.language-menu a {
  display: flex;
  width: 100%;
  min-height: 44px;
  align-items: center;
  padding: 10px 13px;
  border-radius: var(--radius-small);
  color: var(--color-muted);
}

.language-menu a:hover,
.language-menu a.is-current {
  background: var(--color-surface-muted);
  color: var(--color-ink);
}

.menu-toggle {
  display: none;
  min-width: 44px;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-pill);
  background: var(--color-accent);
  color: var(--color-surface);
  cursor: pointer;
}

.menu-toggle svg {
  width: 21px;
  height: 21px;
}

.mobile-nav {
  position: absolute;
  z-index: 103;
  top: calc(100% + 10px);
  right: var(--gutter);
  left: var(--gutter);
  display: none;
  max-height: calc(100dvh - 96px);
  padding: 12px;
  overflow-y: auto;
  overscroll-behavior: contain;
  border-radius: var(--radius-card);
  background: var(--color-surface);
  color: var(--color-ink);
  box-shadow: var(--shadow-panel);
}

.mobile-nav.is-open {
  display: block;
}

.mobile-nav a {
  display: flex;
  width: 100%;
  min-height: 48px;
  align-items: center;
  padding: 11px 14px;
  border-radius: var(--radius-small);
  color: var(--color-muted);
}

.mobile-nav a:hover,
.mobile-nav a.is-active,
.mobile-nav a.is-current {
  background: var(--color-surface-muted);
  color: var(--color-ink);
}

.mobile-nav .mobile-language-title {
  margin: 12px 14px 4px;
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
}

.nav-veil {
  position: fixed;
  z-index: 90;
  inset: 0;
  display: none;
  background: var(--color-overlay);
}

.nav-veil.is-visible {
  display: block;
}

/* Shared footer */
.site-footer {
  padding-top: clamp(72px, 9vw, 128px);
  padding-bottom: 28px;
}

.footer-shell {
  width: 100%;
  max-width: min(100%, calc(var(--header-width) + var(--gutter) * 2));
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.footer-panel {
  display: grid;
  grid-template-columns: minmax(260px, 1.25fr) repeat(3, minmax(150px, 0.75fr));
  gap: 44px;
  padding: clamp(34px, 5vw, 62px);
  border-radius: var(--radius-panel-large);
  background: var(--color-device);
  color: var(--color-device-text);
  box-shadow: var(--shadow-panel);
}

.footer-brand {
  max-width: 360px;
}

.footer-brand-link {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  margin-bottom: 16px;
  font-size: 18px;
  font-weight: 600;
}

.footer-brand-link img {
  width: 25px;
  height: 25px;
  flex-shrink: 0;
}

.footer-brand p {
  color: var(--color-device-muted);
}

.footer-column h2 {
  color: var(--color-device-text);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.12em;
}

.footer-links {
  display: grid;
  gap: 4px;
}

.footer-links a {
  display: block;
  width: 100%;
  padding: 7px 0;
  color: var(--color-device-muted);
}

.footer-links a:hover {
  color: var(--color-device-text);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 22px 8px 0;
  color: var(--color-muted);
  font-size: 14px;
}

.footer-bottom a {
  color: var(--color-accent);
}

/* Approved homepage hero */
.preview-hero {
  padding-top: 30px;
  overflow-x: clip;
}

.hero-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  align-items: end;
  column-gap: 64px;
}

.hero-head h1 {
  margin-bottom: 0;
}

.hero-aside {
  padding-bottom: 6px;
}

.hero-aside p {
  margin-bottom: 0;
  color: var(--color-muted);
}

.hero-quick {
  display: flex;
  margin-top: 12px;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  font-size: 13px;
}

.hero-quick a {
  color: var(--color-accent);
  border-bottom: 1px solid var(--color-accent);
}

.hero-quick i {
  width: 3px;
  height: 3px;
  border-radius: var(--radius-pill);
  background: var(--color-line);
  flex-shrink: 0;
}

.hero-actions {
  display: flex;
  margin-top: 24px;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.hero-actions .platform-row {
  margin-left: auto;
}

.platform-label {
  color: var(--color-muted);
  font-size: 13px;
  letter-spacing: 0.04em;
}

.platform-bare {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--color-muted);
  font-size: 14px;
}

.platform-bare svg {
  width: 15px;
  height: 15px;
  color: var(--color-ink);
  flex-shrink: 0;
}

.hero-device-zone {
  position: relative;
  margin-top: 30px;
  overflow-x: clip;
}

.hero-device {
  position: relative;
  height: 378px;
  border-radius: 190px;
  background: var(--color-device);
  color: var(--color-device-text);
  box-shadow: var(--shadow-panel);
}

.hero-device::before {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  box-shadow: inset 0 1px 0 var(--color-device-glow);
  content: "";
  pointer-events: none;
}

.hero-device-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) 210px 100px;
  height: 100%;
  padding: 44px 100px 44px 116px;
  align-items: center;
  column-gap: 10px;
}

.device-setting-list {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.device-setting {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px 0;
}

.device-setting + .device-setting {
  border-top: 1px solid var(--color-device-faint);
}

.device-setting-name {
  color: var(--color-device-muted);
  font-size: 15px;
  white-space: nowrap;
}

.device-segments {
  display: flex;
  gap: 6px;
}

.device-segments span {
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  color: var(--color-device-muted);
  font-size: 13px;
  white-space: nowrap;
}

.device-segments .is-selected {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: var(--color-device-fill);
  color: var(--color-device-text);
}

.device-switch {
  position: relative;
  width: 46px;
  height: 25px;
  border-radius: var(--radius-pill);
  background: var(--color-device-faint);
  flex: 0 0 auto;
}

.device-switch::after {
  position: absolute;
  top: 3px;
  left: 3px;
  width: 19px;
  height: 19px;
  border-radius: var(--radius-pill);
  background: var(--color-device-text);
  content: "";
}

.device-switch.is-on {
  background: var(--color-device-fill);
}

.device-switch.is-on::after {
  right: 3px;
  left: auto;
}

.device-switch.is-on::before {
  position: absolute;
  z-index: 1;
  top: 50%;
  right: 9.5px;
  width: 6px;
  height: 6px;
  border-radius: var(--radius-pill);
  background: var(--color-warning);
  content: "";
  transform: translate(50%, -50%);
}

.device-subscription {
  display: flex;
  align-items: center;
  gap: 10px;
}

.device-subscription span {
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  background: var(--color-device-faint);
  color: var(--color-device-text);
  font-size: 12.5px;
  white-space: nowrap;
}

.device-subscription span:first-child {
  font-family: var(--font-mono);
}

.device-flow {
  position: relative;
  height: 280px;
}

.device-flow svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: visible;
}

.device-flow path {
  fill: none;
  stroke: var(--color-device-line);
  stroke-width: 1.2;
  vector-effect: non-scaling-stroke;
}

.device-flow .flow-ring {
  fill: none;
  stroke: var(--color-device-line);
  stroke-width: 1.2;
}

.device-flow .flow-dot {
  fill: var(--color-warning);
}

.device-exits {
  display: flex;
  height: 280px;
  flex-direction: column;
  justify-content: space-between;
}

.device-exit {
  display: flex;
  width: 50px;
  height: 50px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-pill);
  background: var(--color-device-fill);
  box-shadow: inset 0 0 0 1px var(--color-device-faint);
}

.device-exit svg {
  width: 22px;
  height: 22px;
  color: var(--color-device-text);
}

.device-label {
  position: absolute;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 20px;
  border-radius: var(--radius-pill);
  background: var(--color-surface);
  color: var(--color-ink);
  box-shadow: var(--shadow-soft);
  font-size: 13.5px;
}

.device-label::before {
  width: 6px;
  height: 6px;
  border-radius: var(--radius-pill);
  background: var(--color-warning);
  content: "";
  flex-shrink: 0;
}

.device-label.is-top {
  top: -15px;
  left: 158px;
}

.device-label.is-bottom {
  bottom: -15px;
  left: 57%;
}

.preview-section {
  padding-top: 84px;
  padding-bottom: 84px;
}

.preview-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.preview-swatches {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.swatch {
  overflow: hidden;
  border-radius: var(--radius-card);
  background: var(--color-surface);
  color: var(--color-ink);
  box-shadow: var(--shadow-soft);
}

.swatch-color {
  height: 92px;
}

.swatch-copy {
  padding: 14px;
  font-family: var(--font-mono);
  font-size: 12px;
}

.swatch-page .swatch-color {
  background: var(--color-page);
}

.swatch-surface .swatch-color {
  background: var(--color-surface);
}

.swatch-muted .swatch-color {
  background: var(--color-surface-muted);
}

.swatch-line .swatch-color {
  background: var(--color-line);
}

.swatch-accent .swatch-color {
  background: var(--color-accent);
}

.swatch-accent-deep .swatch-color {
  background: var(--color-accent-deep);
}

.swatch-ink .swatch-color {
  background: var(--color-ink);
}

.swatch-warning .swatch-color {
  background: var(--color-warning);
}

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

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

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

@media (max-width: 1100px) {
  .header-shell {
    margin-inline: var(--gutter);
    width: calc(100% - var(--gutter) * 2);
  }

  .desktop-nav {
    display: none;
  }

  .header-tools {
    margin-left: auto;
  }

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

  .hero-head {
    grid-template-columns: 1fr;
    row-gap: 20px;
  }

  .hero-actions .platform-row {
    width: 100%;
    margin-left: 0;
  }

  .hero-device {
    height: auto;
    border-radius: 64px;
  }

  .hero-device-inner {
    grid-template-columns: 1fr;
    min-height: 400px;
    padding: 48px;
    row-gap: 30px;
  }

  .device-flow {
    display: none;
  }

  .device-exits {
    height: auto;
    flex-direction: row;
    gap: 18px;
    justify-content: flex-start;
  }

  .device-label.is-top {
    left: 48px;
  }

  .feature-panel {
    grid-template-columns: 1fr;
    min-height: 0;
  }

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

@media (max-width: 768px) {
  h1,
  .hero-title {
    font-size: clamp(24px, 7.4vw, 30px);
    line-height: 1.16;
    letter-spacing: -0.012em;
  }

  h2 {
    font-size: clamp(27px, 7vw, 34px);
  }

  .site-header {
    padding-top: 10px;
  }

  .header-shell {
    min-height: 58px;
    padding: 7px 8px 7px 16px;
    gap: 10px;
  }

  .site-brand span {
    font-size: 15px;
  }

  .language-full {
    display: none;
  }

  .language-short {
    display: inline;
  }

  .language-menu {
    display: none;
  }

  .preview-hero {
    padding-top: 24px;
  }

  .hero-actions {
    align-items: flex-start;
  }

  .platform-row {
    gap: 8px;
  }

  .platform-label {
    width: 100%;
  }

  .platform-bare {
    padding: 6px 9px;
    border-radius: var(--radius-pill);
    background: var(--color-surface);
    box-shadow: var(--shadow-soft);
  }

  .hero-device-zone {
    margin-top: 34px;
  }

  .hero-device {
    border-radius: 42px;
  }

  .hero-device-inner {
    min-height: 0;
    padding: 48px 24px 38px;
  }

  .device-setting {
    align-items: flex-start;
    gap: 12px;
  }

  .device-segments {
    justify-content: flex-end;
    flex-wrap: wrap;
  }

  .device-exits {
    gap: 10px;
    justify-content: space-between;
  }

  .device-exit {
    width: 44px;
    height: 44px;
  }

  .device-label.is-top {
    left: 24px;
  }

  .device-label.is-bottom {
    right: 24px;
    left: auto;
  }

  .preview-grid,
  .preview-swatches {
    grid-template-columns: 1fr;
  }

  .footer-panel {
    grid-template-columns: 1fr;
  }

  .footer-bottom {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 640px) {
  .tilt,
  .tilt-card {
    transform: none;
  }

  .button,
  .button-secondary {
    max-width: 100%;
  }

  .panel,
  .feature-panel {
    padding: 26px 20px;
    border-radius: var(--radius-card);
  }

  .mobile-nav {
    right: var(--gutter);
    left: var(--gutter);
  }

  .device-setting {
    flex-direction: column;
  }

  .device-segments {
    justify-content: flex-start;
  }

  .device-subscription {
    width: 100%;
    align-items: flex-start;
    flex-wrap: wrap;
  }

  .device-subscription span {
    white-space: normal;
  }

  .device-exits {
    flex-wrap: wrap;
  }

  .footer-panel {
    padding: 30px 22px;
    border-radius: var(--radius-card);
  }

  th,
  td {
    padding: 12px 14px;
  }

  .preview-section {
    padding-top: 62px;
    padding-bottom: 62px;
  }
}