/* Keeping — Logbook web theme.
   Neutral canvases, rust actions, and record-family surfaces follow the app's
   semantic design roles. Exact asset provenance stays in the site's design notes.
   The darker hover shade is derived from the primary action, not a new brand hue. */
:root {
  --paper: #F6F7F9;
  --ink: #1C2230;
  --ink-2: #6B7280;
  --ink-3: #574F5C;
  --line: #E3E6EB;
  --line-strong: #DDE1E7;
  --accent: #B64632;
  --accent-dark: #9B3C2B;
  --font-display: -apple-system, BlinkMacSystemFont, 'Inter', 'Noto Sans SC', sans-serif;
  --font-body: -apple-system, BlinkMacSystemFont, 'Inter', 'Noto Sans SC', sans-serif;
  --font-mono: 'IBM Plex Mono', 'Noto Sans SC', monospace;
  --keeping-surface: #FFFFFF;
  --keeping-medication: #FFE4DA;
  --keeping-icon-ground: #F2EDE5;
}

.keeping-page {
  background: var(--paper);
}

.keeping-page .navbar.scrolled {
  background: rgba(246, 247, 249, 0.94);
}

.keeping-page ::selection {
  color: var(--ink);
  background: var(--keeping-medication);
}

.keeping-page :focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 5px;
}

.keeping-page .keeping-intro {
  background: linear-gradient(180deg, #FFE8D6 0, var(--paper) 380px);
}

.keeping-page .keeping-intro > .section-container {
  padding-top: 128px;
  padding-bottom: 64px;
}

.keeping-page .keeping-identity {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-bottom: 28px;
}

.keeping-page .keeping-identity .app-icon {
  width: 64px;
  height: 64px;
  border-radius: 16px;
  flex-shrink: 0;
}

.keeping-page .keeping-product-name {
  color: var(--ink-3);
  font-size: 0.875rem;
  font-weight: 600;
  line-height: 1.6;
}

.keeping-page .keeping-title {
  max-width: 17ch;
  font-size: clamp(3rem, 6vw, 5.2rem);
  font-weight: 700;
  line-height: 1.06;
  letter-spacing: -0.045em;
  margin-bottom: 28px;
  text-wrap: balance;
}

.keeping-page .keeping-intro-details {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
  gap: 40px;
  align-items: start;
}

.keeping-page .keeping-lede {
  max-width: 57ch;
  color: var(--ink-2);
  font-size: 1.125rem;
  line-height: 1.75;
}

.keeping-page .keeping-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 24px;
}

.keeping-page .keeping-actions .text-link {
  min-height: 44px;
  color: var(--accent);
}

.keeping-page .keeping-availability-note {
  margin-top: 14px;
  color: var(--ink-3);
  font-size: 0.8125rem;
  line-height: 1.6;
}

.keeping-page .keeping-spread {
  display: grid;
  grid-template-columns: minmax(0, 1fr) repeat(2, minmax(0, 240px));
  gap: 28px;
  align-items: center;
  margin-top: 56px;
  padding: 36px;
  border: 1px solid var(--line);
  border-radius: 32px;
  background: var(--keeping-surface);
}

.keeping-page .keeping-spread-copy h2 {
  max-width: 13ch;
  margin: 12px 0 20px;
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 650;
  line-height: 1.15;
  letter-spacing: -0.025em;
  text-wrap: balance;
}

.keeping-page .keeping-spread-copy p {
  max-width: 34ch;
  color: var(--ink-2);
}

.keeping-page .keeping-spread-copy .mono-label {
  color: var(--accent);
}

.keeping-page .keeping-preview-note {
  margin-top: 20px;
  color: var(--ink-3);
  font-size: 0.8125rem;
  line-height: 1.7;
}

.keeping-page .keeping-native-preview {
  min-width: 0;
  margin: 0;
}

.keeping-page .keeping-native-preview figcaption {
  margin-bottom: 12px;
  color: var(--ink-3);
  font-size: 0.8125rem;
  font-weight: 600;
}

.keeping-page .keeping-native-preview img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 22px;
  border: 1px solid var(--line);
  box-shadow: 0 16px 32px -20px rgba(28, 34, 48, 0.28);
}

.keeping-page .keeping-screenshots {
  background: var(--keeping-icon-ground);
}

.keeping-page .keeping-section-title {
  max-width: 24ch;
  font-size: clamp(1.8rem, 3.8vw, 3rem);
  line-height: 1.15;
  letter-spacing: -0.025em;
  text-wrap: balance;
}

.keeping-page .keeping-gallery-intro {
  max-width: 66ch;
  margin: 18px 0 32px;
  color: var(--ink-3);
}

.keeping-page .keeping-gallery {
  display: flex;
  gap: 18px;
  overflow-x: auto;
  padding-bottom: 20px;
  scroll-snap-type: x proximity;
  scrollbar-color: var(--accent) var(--keeping-icon-ground);
}

.keeping-page .keeping-store-shot {
  flex: 0 0 clamp(200px, 23vw, 260px);
  margin: 0;
  scroll-snap-align: start;
}

.keeping-page .keeping-store-shot img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 18px;
}

.keeping-page .app-features {
  background: var(--paper);
}

.keeping-page .app-features-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 36px 64px;
}

.keeping-page .app-feature-item {
  padding: 24px 0;
  border-top: 1px solid var(--line-strong);
}

.keeping-page .app-feature-item .mono-label {
  margin-bottom: 14px;
  color: var(--accent);
}

.keeping-page .app-feature-item h2 {
  margin-bottom: 12px;
  font-size: 1.375rem;
  font-weight: 650;
}

.keeping-page .app-feature-item p {
  color: var(--ink-2);
  max-width: 58ch;
}

.keeping-page .app-links,
.keeping-page .footer {
  background: var(--keeping-surface);
}

.keeping-page .app-link-row-arrow {
  color: var(--accent);
}

.keeping-page .app-link-row:hover {
  background: var(--paper);
}

.keeping-page:lang(zh-Hans) .keeping-title {
  max-width: 11em;
  letter-spacing: -0.015em;
  line-height: 1.2;
}

@media (max-width: 1020px) {
  .keeping-page .keeping-spread {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .keeping-page .keeping-spread-copy {
    grid-column: 1 / -1;
  }

  .keeping-page .keeping-spread-copy h2,
  .keeping-page .keeping-spread-copy p {
    max-width: 42ch;
  }

  .keeping-page .keeping-native-preview {
    max-width: 260px;
    justify-self: center;
  }
}

@media (max-width: 700px) {
  .keeping-page .keeping-intro > .section-container {
    padding-top: 112px;
    padding-bottom: 40px;
  }

  .keeping-page .keeping-title {
    font-size: clamp(2.75rem, 11.8vw, 4rem);
  }

  .keeping-page .keeping-intro-details {
    grid-template-columns: minmax(0, 1fr);
    gap: 24px;
  }

  .keeping-page .keeping-spread {
    margin-top: 36px;
    padding: 24px;
    gap: 24px;
    border-radius: 24px;
  }

  .keeping-page .keeping-spread-copy h2 {
    font-size: 1.85rem;
  }

  .keeping-page .keeping-spread-copy p {
    max-width: none;
  }

  .keeping-page .keeping-native-preview {
    grid-column: 1 / -1;
    width: min(100%, 280px);
  }

  .keeping-page .keeping-store-shot {
    flex-basis: 82%;
  }

  .keeping-page .app-features-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 8px;
  }
}