.hero {
  display: grid;
  grid-template-columns: minmax(0, 46fr) minmax(0, 54fr);
  align-items: center;
  gap: 56px;
  padding-top: 34px;
  padding-bottom: 44px;
  overflow-x: clip;
}

.hero-copy {
  padding-bottom: 8px;
}

.kicker-chips,
.platform-row,
.badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.kicker-chips {
  margin-bottom: 22px;
}

.kicker-chips span,
.badge,
.tag {
  display: inline-flex;
  max-width: 100%;
  align-items: center;
  gap: 7px;
  overflow: hidden;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-pill);
  padding: 4px 13px;
  background: var(--color-panel);
  color: var(--color-ink-muted);
  font-size: 13px;
  line-height: 1.5;
  overflow-wrap: anywhere;
}

.badge::before {
  width: 7px;
  height: 7px;
  flex-shrink: 0;
  border-radius: var(--radius-pill);
  background: var(--color-brand);
  content: "";
}

.badge-primary {
  border-color: var(--color-brand);
  background: var(--color-brand-soft);
  color: var(--color-brand-deep);
}

.badge-recommended {
  border-color: var(--color-positive);
  background: var(--color-page);
  color: var(--color-positive);
}

.badge-retired {
  border-color: var(--color-negative);
  background: var(--color-page);
  color: var(--color-negative);
}

.badge-warning {
  border-color: var(--color-caution);
  background: var(--color-page);
  color: var(--color-ink);
}

.hero-title {
  margin-bottom: 20px;
}

.hero-subtitle {
  max-width: 33em;
  margin-bottom: 32px;
  color: var(--color-ink-muted);
  font-size: 17px;
}

.hero-subtitle strong {
  color: var(--color-ink);
  font-weight: 600;
}

.hero-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 30px;
}

.platform-row {
  list-style: none;
  gap: 10px;
}

.platform-row a,
.platform-row li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-pill);
  padding: 7px 15px;
  background: var(--color-page);
  color: var(--color-ink-muted);
  font-size: 13.5px;
}

.platform-row a:hover {
  border-color: var(--color-brand);
  color: var(--color-brand-deep);
}

.platform-row svg {
  width: 15px;
  height: 15px;
}

.stage-canvas {
  position: relative;
  height: 640px;
  overflow: hidden;
  border-radius: var(--radius-xl);
  background:
    radial-gradient(90% 80% at 14% 10%, var(--color-glow-pink) 0%, var(--color-glow-clear-pink) 58%),
    radial-gradient(95% 90% at 55% 48%, var(--color-glow-lilac) 0%, var(--color-glow-clear-lilac) 62%),
    radial-gradient(100% 95% at 88% 92%, var(--color-glow-blue) 0%, var(--color-glow-clear-blue) 64%),
    linear-gradient(150deg, var(--color-stage-start) 0%, var(--color-stage-middle) 50%, var(--color-stage-end) 100%);
  color: var(--color-ink);
}

.mock-window {
  position: absolute;
  top: 64px;
  left: 48px;
  width: 470px;
  overflow: hidden;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  background: var(--color-page);
  color: var(--color-ink);
  box-shadow: var(--shadow-soft);
}

.mock-window-bar {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 13px 18px;
  border-bottom: 1px solid var(--color-line);
}

.window-dots {
  display: flex;
  gap: 7px;
}

.window-dots i {
  display: block;
  width: 11px;
  height: 11px;
  flex-shrink: 0;
  border-radius: var(--radius-pill);
}

.window-dots i:nth-child(1) {
  background: var(--color-negative);
}

.window-dots i:nth-child(2) {
  background: var(--color-caution);
}

.window-dots i:nth-child(3) {
  background: var(--color-positive);
}

.mock-window-title {
  font-size: 13px;
  font-weight: 600;
}

.mock-window-menu {
  margin-left: auto;
  color: var(--color-ink-muted);
  font-size: 12px;
}

.mock-window-body {
  display: grid;
  grid-template-columns: 136px minmax(0, 1fr);
}

.mock-window-side {
  padding: 14px 10px 18px;
  border-right: 1px solid var(--color-line);
  background: var(--color-panel);
  color: var(--color-ink-muted);
}

.mock-side-label {
  padding: 0 8px 8px;
  font-size: 11px;
  letter-spacing: 0.08em;
}

.mock-window-side ul {
  display: grid;
  gap: 4px;
  list-style: none;
}

.mock-window-side li {
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  font-size: 12.5px;
}

.mock-window-side li.is-active {
  background: var(--color-brand-soft);
  color: var(--color-brand-deep);
  font-weight: 600;
}

.mock-window-main {
  padding: 16px 18px 18px;
}

.setting-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 11px 2px;
  border-bottom: 1px solid var(--color-panel-strong);
}

.setting-name {
  font-size: 13.5px;
}

.setting-value {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-pill);
  padding: 4px 12px;
  background: var(--color-panel);
  color: var(--color-ink);
  font-size: 12.5px;
}

.toggle-switch {
  position: relative;
  width: 38px;
  height: 22px;
  flex-shrink: 0;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-pill);
  background: var(--color-panel-strong);
}

.toggle-switch::after {
  position: absolute;
  top: 2px;
  left: 2px;
  width: 16px;
  height: 16px;
  border-radius: var(--radius-pill);
  background: var(--color-page);
  box-shadow: 0 1px 3px var(--color-shadow-switch);
  content: "";
}

.toggle-switch.is-on {
  border-color: var(--color-brand);
  background: var(--color-brand);
}

.toggle-switch.is-on::after {
  right: 2px;
  left: auto;
}

.mock-actions {
  display: flex;
  gap: 10px;
  padding-top: 14px;
}

.mock-mini-button {
  border-radius: var(--radius-pill);
  padding: 7px 16px;
  font-size: 12px;
  font-weight: 600;
}

.mock-mini-button.is-solid {
  background: var(--color-brand);
  color: var(--color-white);
}

.mock-mini-button.is-line {
  border: 1px solid var(--color-brand);
  background: var(--color-page);
  color: var(--color-brand-deep);
}

.mock-seal {
  position: absolute;
  top: 428px;
  left: 452px;
  z-index: 3;
  width: 52px;
  height: 52px;
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-lift);
}

.mock-seal img {
  width: 52px;
  height: 52px;
}

.mock-phone {
  position: absolute;
  right: 52px;
  bottom: 48px;
  width: 198px;
  padding: 16px 16px 14px;
  border: 1px solid var(--color-line);
  border-radius: 20px;
  background: var(--color-page);
  color: var(--color-ink);
  box-shadow: var(--shadow-soft);
  transform: rotate(-2deg);
}

.mock-phone-top {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-bottom: 12px;
}

.mock-phone-top img {
  width: 20px;
  height: 20px;
}

.mock-phone-top b {
  font-size: 13px;
}

.mock-phone-power {
  display: flex;
  align-items: center;
  flex-direction: column;
  gap: 8px;
  padding: 12px 0 16px;
}

.power-ring {
  display: flex;
  width: 72px;
  height: 72px;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--color-brand);
  border-radius: var(--radius-pill);
  background: var(--color-brand-soft);
  color: var(--color-brand-deep);
}

.power-ring svg {
  width: 26px;
  height: 26px;
}

.power-state {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--color-ink-muted);
  font-size: 12px;
}

.power-state i {
  width: 7px;
  height: 7px;
  flex-shrink: 0;
  border-radius: var(--radius-pill);
  background: var(--color-positive);
}

.mock-phone-list {
  border-top: 1px solid var(--color-panel-strong);
  list-style: none;
}

.mock-phone-list li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 10px 2px;
  font-size: 12.5px;
}

.mock-phone-list li + li {
  border-top: 1px solid var(--color-panel-strong);
}

.mock-phone-list em {
  color: var(--color-ink-muted);
  font-size: 12px;
  font-style: normal;
}

.tabs {
  min-width: 0;
}

.tab-list {
  display: flex;
  max-width: 100%;
  gap: 8px;
  overflow-x: auto;
  padding: 6px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-pill);
  background: var(--color-panel);
  color: var(--color-ink);
  scrollbar-width: thin;
}

.tab-button {
  min-height: 42px;
  flex: 1 0 auto;
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  padding: 8px 20px;
  background: transparent;
  color: var(--color-ink-muted);
  font-weight: 600;
}

.tab-button:hover {
  color: var(--color-ink);
}

.tab-button[aria-selected="true"],
.tab-button.is-active {
  border-color: var(--color-line);
  background: var(--color-page);
  color: var(--color-brand-deep);
}

.tab-panel {
  padding-top: 28px;
}

.tab-panel[hidden] {
  display: none;
}

.toc-nav {
  position: sticky;
  top: 18px;
  z-index: 10;
  display: flex;
  max-width: 100%;
  gap: 8px;
  overflow-x: auto;
  padding: 8px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-pill);
  background: var(--color-page);
  color: var(--color-ink);
}

.toc-nav a {
  flex: 0 0 auto;
  border-radius: var(--radius-pill);
  padding: 8px 14px;
  color: var(--color-ink-muted);
  font-size: 14px;
}

.toc-nav a:hover,
.toc-nav a[aria-current="true"] {
  background: var(--color-brand-soft);
  color: var(--color-brand-deep);
}

.faq-list {
  display: grid;
  gap: 12px;
}

.faq-item {
  overflow: clip;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  background: var(--color-page);
  color: var(--color-ink);
}

.faq-item summary {
  display: flex;
  min-height: 58px;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 17px 20px;
  cursor: pointer;
  font-weight: 600;
  list-style: none;
}

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

.faq-item summary::after {
  width: 10px;
  height: 10px;
  flex-shrink: 0;
  border-right: 2px solid var(--color-brand);
  border-bottom: 2px solid var(--color-brand);
  content: "";
  transform: rotate(45deg);
  transition: transform var(--transition-fast);
}

.faq-item[open] summary::after {
  transform: rotate(225deg);
}

.faq-answer {
  padding: 0 20px 20px;
  color: var(--color-ink-muted);
}

.glossary-card {
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  padding: 24px;
  background: var(--color-page);
  color: var(--color-ink);
}

.glossary-card dt {
  margin-bottom: 8px;
  color: var(--color-brand-deep);
  font-size: 19px;
  font-weight: 600;
}

.glossary-card dd {
  color: var(--color-ink-muted);
}

.client-card {
  display: grid;
  gap: 20px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  padding: 28px;
  background: var(--color-page);
  color: var(--color-ink);
}

.client-card-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
}

.client-card-title {
  display: flex;
  align-items: center;
  gap: 14px;
}

.client-card-title img {
  width: 52px;
  height: 52px;
  flex-shrink: 0;
}

.client-card p {
  color: var(--color-ink-muted);
}

.client-downloads {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.article-card {
  display: flex;
  min-height: 100%;
  flex-direction: column;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  padding: 26px;
  background: var(--color-panel);
  color: var(--color-ink);
  transition:
    border-color var(--transition-fast),
    transform var(--transition-fast);
}

.article-card:hover {
  border-color: var(--color-brand);
  transform: translateY(-2px);
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
  margin-bottom: 14px;
  color: var(--color-ink-muted);
  font-size: 13px;
}

.article-card h3 {
  font-size: 21px;
}

.article-card p {
  margin-top: 12px;
  color: var(--color-ink-muted);
}

.article-card-link {
  margin-top: auto;
  padding-top: 20px;
  color: var(--color-brand-deep);
  font-weight: 600;
}

.callout {
  position: relative;
  padding: 22px 24px 22px 52px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  background: var(--color-brand-soft);
  color: var(--color-ink);
}

.callout::before {
  position: absolute;
  top: 24px;
  left: 22px;
  width: 10px;
  height: 10px;
  border-radius: var(--radius-pill);
  background: var(--color-brand);
  content: "";
}

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

.callout p {
  color: var(--color-ink-muted);
}

.callout-warning {
  background: var(--color-panel);
  color: var(--color-ink);
}

.callout-warning::before {
  background: var(--color-caution);
}

.download-end-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  margin-top: 56px;
  padding: 30px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  background: var(--color-panel);
  color: var(--color-ink);
}

.download-end-card p {
  margin-top: 6px;
  color: var(--color-ink-muted);
}

.dl-fab {
  position: fixed;
  right: 28px;
  bottom: 28px;
  z-index: 80;
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  gap: 8px;
  border-radius: var(--radius-pill);
  padding: 11px 20px;
  background: var(--color-brand);
  color: var(--color-white);
  box-shadow: 0 10px 30px var(--color-shadow-fab);
  font-size: 14.5px;
  font-weight: 600;
  transition:
    background var(--transition-fast),
    transform var(--transition-fast);
}

.dl-fab:hover {
  background: var(--color-brand-deep);
  color: var(--color-white);
  transform: translateY(-2px);
}

.dl-fab svg {
  width: 16px;
  height: 16px;
}

.preview-block {
  padding-top: 86px;
  padding-bottom: 86px;
  overflow-x: clip;
}

.preview-block + .preview-block {
  border-top: 1px solid var(--color-line);
}

.preview-title {
  margin-bottom: 34px;
}

.swatch-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.swatch {
  overflow: hidden;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  background: var(--color-page);
  color: var(--color-ink);
}

.swatch-color {
  height: 96px;
}

.swatch-body {
  padding: 14px;
}

.swatch-body code {
  color: var(--color-ink-muted);
  font-size: 12px;
}

.swatch-page .swatch-color {
  border-bottom: 1px solid var(--color-line);
  background: var(--color-page);
}

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

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

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

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

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

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

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

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

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

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

.swatch-glow .swatch-color {
  background: linear-gradient(135deg, var(--color-glow-pink), var(--color-glow-lilac), var(--color-glow-blue));
}

.type-samples {
  display: grid;
  gap: 30px;
}

.type-label {
  display: block;
  margin-bottom: 8px;
  color: var(--color-ink-muted);
  font-family: var(--font-mono);
  font-size: 12px;
}

.preview-table-wrap {
  max-width: 100%;
  overflow-x: auto;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
}

@media (max-width: 1080px) {
  .hero {
    grid-template-columns: minmax(0, 1fr);
    gap: 40px;
  }

  .stage-canvas {
    height: 560px;
  }

  .mock-window {
    top: 44px;
    left: 24px;
    width: min(470px, 86%);
  }

  .mock-seal {
    top: auto;
    right: 170px;
    bottom: 270px;
    left: auto;
  }

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

@media (max-width: 768px) {
  .hero {
    padding-top: 24px;
  }

  .hero-subtitle {
    font-size: 16px;
  }

  .stage-canvas {
    height: 480px;
  }

  .mock-window {
    top: 32px;
    left: 18px;
    width: calc(100% - 36px);
  }

  .mock-phone {
    right: 24px;
    bottom: 24px;
  }

  .mock-seal {
    right: 172px;
    bottom: 216px;
  }

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

  .download-end-card {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 640px) {
  .hero-actions .button,
  .hero-actions .btn {
    flex: 1 1 140px;
    padding-inline: 18px;
  }

  .kicker-chips,
  .platform-row,
  .badge-row {
    flex-direction: row;
    flex-wrap: wrap;
  }

  .platform-row a,
  .platform-row li {
    padding: 6px 11px;
    font-size: 12px;
  }

  .stage-canvas {
    height: 430px;
    border-radius: var(--radius-lg);
  }

  .mock-window {
    top: 24px;
    left: 12px;
    width: calc(100% - 24px);
  }

  .mock-window-body {
    grid-template-columns: 100px minmax(0, 1fr);
  }

  .mock-window-menu {
    display: none;
  }

  .mock-window-side {
    padding-inline: 7px;
  }

  .mock-window-side li,
  .setting-name,
  .setting-value {
    font-size: 11px;
  }

  .mock-window-main {
    padding: 10px;
  }

  .setting-value {
    padding-inline: 8px;
  }

  .mock-actions {
    gap: 6px;
  }

  .mock-mini-button {
    padding: 6px 9px;
    font-size: 10px;
  }

  .mock-phone {
    right: 15px;
    bottom: 18px;
    width: 164px;
    padding: 12px;
    transform: none;
  }

  .power-ring {
    width: 54px;
    height: 54px;
  }

  .mock-seal {
    right: 154px;
    bottom: 178px;
    width: 42px;
    height: 42px;
  }

  .mock-seal img {
    width: 42px;
    height: 42px;
  }

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

  .tab-button {
    padding-inline: 15px;
  }

  .client-card-head {
    align-items: flex-start;
    flex-direction: column;
  }

  .dl-fab {
    right: 16px;
    bottom: 16px;
  }
}