/**
 * Bilyx detail pages – unified palette, layout, spacing, and components.
 * Load after page-specific stylesheets.
 */

:root,
[data-theme="light"] {
  --bilyx-accent: #4f46e5;
  --bilyx-accent-hover: #6366f1;
  --bilyx-accent-dark: #4338ca;
  --bilyx-accent-soft: rgba(79, 70, 229, 0.12);

  --bg: #f4f7fb;
  --surface: #ffffff;
  --surface-alt: #f9fbff;
  --surface-card: #ffffff;
  --border: rgba(15, 23, 42, 0.1);
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;

  --app-accent: var(--bilyx-accent);
  --app-accent-soft: var(--bilyx-accent-hover);
  --app-primary: var(--bilyx-accent);
  --app-primary-dark: var(--bilyx-accent-dark);
  --app-primary-soft: var(--bilyx-accent-hover);
  --app-glow: var(--bilyx-accent-soft);

  --accent-color: var(--bilyx-accent);
  --accent-color-rgb: 79, 70, 229;
  --surface-elevated: #f9fbff;
  --border-color: var(--border);
  --heading-color: var(--text-primary);

  --detail-radius: 28px;
  --detail-radius-sm: 18px;
  --detail-radius-pill: 999px;
  --detail-space-section: 6rem;
  --detail-space-block: 2rem;
  --detail-max-width: 1280px;
}

[data-theme="dark"] {
  --bg: #0a0e14;
  --surface: #1a1f26;
  --surface-alt: #1f252c;
  --surface-card: #1f252c;
  --border: rgba(255, 255, 255, 0.08);
  --text-primary: #ffffff;
  --text-secondary: rgba(255, 255, 255, 0.82);
  --text-muted: rgba(255, 255, 255, 0.58);

  --bilyx-accent: #6366f1;
  --bilyx-accent-hover: #818cf8;
  --bilyx-accent-dark: #4f46e5;
  --bilyx-accent-soft: rgba(99, 102, 241, 0.14);

  --surface-elevated: #1f252c;
}

/* ── Base ── */
html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg) !important;
  color: var(--text-primary);
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  font-size: 1rem;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

.container,
.page {
  max-width: var(--detail-max-width) !important;
  margin: 0 auto !important;
  padding: 0 2.5rem 6.5rem !important;
}

/* ── Top bar ── */
.details-topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  width: 100%;
  max-width: none;
  margin: 0;
  padding: 1.25rem 2.5rem;
  background: color-mix(in srgb, var(--bg) 90%, transparent);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}

.details-topbar-actions {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.details-topnav a {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.55rem 1rem;
  border-radius: var(--detail-radius-pill);
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-secondary);
  font-size: 0.88rem;
  font-weight: 500;
  text-decoration: none;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.details-topnav a:hover {
  border-color: var(--bilyx-accent);
  color: var(--bilyx-accent);
}

.details-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  color: var(--text-primary);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
}

.details-brand img {
  width: 32px;
  height: 32px;
  object-fit: contain;
}

.details-theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: var(--detail-radius-pill);
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-secondary);
  cursor: pointer;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.details-theme-toggle:hover {
  border-color: var(--bilyx-accent);
  color: var(--bilyx-accent);
}

/* ── Back link ── */
.back-nav {
  margin: 2.5rem 0 1.25rem;
}

.container > .back-link,
.page > .back-link {
  margin: 2.5rem 0 1.25rem;
}

.back-link,
.back-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 1.25rem;
  border-radius: var(--detail-radius-pill);
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  text-decoration: none;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.back-link:hover,
.back-btn:hover {
  border-color: var(--bilyx-accent) !important;
  color: var(--bilyx-accent) !important;
  transform: none !important;
}

/* ── Hero (all variants) ── */
.hero,
.hero-section,
.hero-row,
.hero-split,
.hero-block,
.hero-centered,
.hero-dual {
  display: flex;
  align-items: center;
  gap: 3rem;
  margin: 1.75rem 0 var(--detail-space-section);
  padding: 3rem 3.5rem !important;
  border-radius: var(--detail-radius) !important;
  background: var(--surface) !important;
  background-image: none !important;
  border: 1px solid var(--border) !important;
  box-shadow: none !important;
}

.hero-icon {
  flex-shrink: 0;
}

.hero-icon img {
  width: 120px !important;
  height: 120px !important;
  border-radius: 26px !important;
  object-fit: cover;
  background: var(--surface-alt) !important;
  box-shadow: none !important;
  border: 1px solid var(--border);
}

.hero-content,
.hero-details {
  flex: 1;
  min-width: 0;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-bottom: 1rem;
  padding: 0.4rem 0.9rem;
  border-radius: var(--detail-radius-pill);
  background: var(--bilyx-accent-soft) !important;
  color: var(--bilyx-accent-hover) !important;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.hero-title,
.ai-glow-text {
  margin: 0 0 1.15rem;
  font-family: 'Outfit', 'Inter', sans-serif;
  font-size: clamp(1.9rem, 4.5vw, 2.65rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.03em;
  background: none !important;
  background-image: none !important;
  -webkit-background-clip: unset !important;
  background-clip: unset !important;
  color: var(--text-primary) !important;
  -webkit-text-fill-color: var(--text-primary) !important;
  text-shadow: none !important;
}

.hero-desc {
  margin: 0 0 2rem;
  max-width: none;
  color: var(--text-secondary);
  font-size: 1.1rem;
  line-height: 1.8;
}

/* ── Buttons ── */
.btn-google,
.btn-download {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  padding: 1rem 1.85rem;
  border-radius: var(--detail-radius-pill);
  background: var(--bilyx-accent) !important;
  color: #fff !important;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  border: none;
  box-shadow: none !important;
  transition: background-color 0.2s ease;
}

.btn-google:hover,
.btn-download:hover {
  background: var(--bilyx-accent-dark) !important;
  transform: none !important;
}

/* ── Section blocks ── */
.detail-section {
  margin-bottom: var(--detail-space-section);
}

.section-title {
  margin: 0 0 1.75rem;
  padding-top: var(--detail-space-section);
  border-top: 1px solid var(--border);
  font-family: 'Outfit', 'Inter', sans-serif;
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.modes-title,
.types-title,
.tips-title,
.group-title {
  margin: 0 0 1.25rem;
  padding-top: 0;
  border-top: none;
  font-family: 'Outfit', 'Inter', sans-serif;
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.container > .section-title:first-of-type,
.page > .section-title:first-of-type,
.hero + .section-title,
.hero-section + .section-title,
.hero-split + .section-title,
.hero-dual + .section-title,
.hero-block + .section-title,
.hero-centered + .section-title,
.hero-row + .section-title,
.stats-row + .section-title {
  padding-top: 0;
  border-top: none;
}

.section-title i,
.modes-title i,
.types-title i,
.tips-title i {
  color: var(--bilyx-accent) !important;
  margin-right: 0.35rem;
}

/* ── Feature grids ── */
.features-grid,
.features-row,
.two-col,
.benefits-grid,
.stats-row {
  display: grid;
  gap: var(--detail-space-block);
  margin-bottom: var(--detail-space-section);
}

.features-grid {
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
}

.features-row {
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
}

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

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

.benefits-grid {
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
}

/* ── Cards ── */
.feature-card,
.feature,
.feature-panel,
.feature-group,
.stat-card,
.privacy-card,
.cyber-card {
  background: var(--surface) !important;
  background-image: none !important;
  border: 1px solid var(--border) !important;
  border-radius: var(--detail-radius-sm) !important;
  box-shadow: none !important;
}

.cyber-card::before,
.cyber-card::after {
  display: none !important;
}

.feature-card,
.feature,
.feature-panel,
.stat-card {
  padding: 2rem !important;
  min-height: 100%;
  transition: border-color 0.2s ease;
}

.feature-group {
  padding: 2.25rem !important;
}

.feature-card:hover,
.feature:hover,
.feature-panel:hover,
.feature-group:hover,
.stat-card:hover,
.cyber-card:hover,
.hero:hover,
.hero-section:hover,
.hero-row:hover,
.hero-split:hover,
.hero-block:hover,
.hero-centered:hover,
.hero-dual:hover {
  transform: none !important;
  border-color: var(--border) !important;
  box-shadow: none !important;
}

.feature-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 3.25rem;
  height: 3.25rem;
  margin-bottom: 1.25rem;
  border-radius: 14px;
  background: var(--bilyx-accent-soft);
  font-size: 1.45rem;
}

.feature-icon i {
  color: var(--bilyx-accent) !important;
}

.feature-title,
.feature-card h3,
.feature h3,
.feature-panel h3,
.stat-value {
  margin: 0 0 0.65rem;
  font-size: 1.1rem;
  font-weight: 600;
  line-height: 1.35;
  color: var(--text-primary);
}

.feature-text,
.feature-card p,
.feature p,
.feature-panel p,
.stat-label {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--text-secondary);
}

.stat-icon {
  font-size: 1.35rem;
  color: var(--bilyx-accent);
  margin-bottom: 0.5rem;
}

.stat-card {
  text-align: center;
  padding: 1.75rem 1.25rem !important;
}

/* ── Lists inside feature groups ── */
.feature-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.feature-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.55rem;
  padding: 0.45rem 0;
  font-size: 0.9rem;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border);
}

.feature-list li:last-child {
  border-bottom: none;
}

.feature-list li i {
  color: var(--bilyx-accent);
  margin-top: 0.15rem;
}

/* ── Chips / tags (unified) ── */
.usecase-row,
.chip-group,
.type-chips,
.chip-styles,
.themes-row,
.tip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: var(--detail-space-section);
}

.usecase-tag,
.mode-chip,
.chip,
.style-chip,
.theme-tag,
.tip-item,
.benefit-item {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.6rem 1.1rem;
  border-radius: var(--detail-radius-pill);
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-primary);
  font-size: 0.9rem;
  font-weight: 500;
}

.usecase-tag i,
.mode-chip i,
.chip i,
.tip-item i,
.benefit-item i {
  color: var(--bilyx-accent) !important;
}

.modes-section,
.types-section,
.tips-section {
  margin-bottom: var(--detail-space-section);
}

.benefit-item {
  padding: 1rem 1.25rem;
  border-radius: var(--detail-radius-sm);
}

/* ── Screenshots ── */
.screenshots-section {
  margin-bottom: var(--detail-space-section);
}

.section-title + .screenshots-section,
.section-title + .features-grid,
.section-title + .features-row {
  margin-top: 0;
}

.screenshot-scroll {
  display: flex;
  gap: 1.5rem;
  overflow-x: auto;
  padding: 0.5rem 0.25rem 1.5rem;
  scroll-snap-type: x mandatory;
  scrollbar-width: thin;
  scrollbar-color: var(--bilyx-accent) transparent;
}

.screenshot-scroll::-webkit-scrollbar {
  height: 5px;
}

.screenshot-scroll::-webkit-scrollbar-thumb {
  background: var(--bilyx-accent-hover) !important;
  border-radius: 10px;
}

.usecase-row + .usecase-row,
.chip-group + .chip-group,
.type-chips + .type-chips {
  margin-top: -3rem;
  margin-bottom: var(--detail-space-section);
}

.screenshot-hint {
  margin: -0.5rem 0 1rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.screenshot-item {
  flex: 0 0 280px;
  scroll-snap-align: start;
  border-radius: 20px;
  overflow: hidden;
  background: var(--surface-alt);
  border: 1px solid var(--border);
}

.screenshot-item img {
  display: block;
  width: 100%;
  height: auto;
}

.screenshot-item:hover {
  transform: none !important;
  border-color: var(--border) !important;
  box-shadow: none !important;
}

/* ── Privacy card ── */
.privacy-card {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  margin-bottom: var(--detail-space-section);
  padding: 2.5rem 2.75rem !important;
  border-radius: var(--detail-radius) !important;
  background: var(--surface-alt) !important;
}

.privacy-text h3,
.privacy-text strong {
  display: block;
  margin: 0 0 0.65rem;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
}

.privacy-text p {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--text-secondary);
  max-width: none;
}

.privacy-link,
.privacy-btn {
  flex-shrink: 0;
  padding: 0.7rem 1.35rem;
  border-radius: var(--detail-radius-pill);
  border: 1px solid var(--border);
  background: transparent;
  color: var(--bilyx-accent) !important;
  font-size: 0.85rem;
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.privacy-link:hover,
.privacy-btn:hover {
  background: var(--bilyx-accent) !important;
  color: #fff !important;
  border-color: var(--bilyx-accent) !important;
}

/* ── Bottom CTA ── */
.details-cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  margin: var(--detail-space-section) 0 2rem;
  padding: 2.5rem 2.75rem;
  border-radius: var(--detail-radius);
  border: 1px solid var(--border);
  background: var(--surface);
}

.details-cta-text h3 {
  margin: 0 0 0.5rem;
  font-family: 'Outfit', 'Inter', sans-serif;
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-primary);
}

.details-cta-text p {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.65;
  color: var(--text-secondary);
  max-width: 48ch;
}

.details-cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.details-cta-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 1rem 1.5rem;
  border-radius: var(--detail-radius-pill);
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-primary);
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.details-cta-secondary:hover {
  border-color: var(--bilyx-accent);
  color: var(--bilyx-accent);
}

/* ── Footer ── */
.footer,
.footer-note {
  margin-top: 1.5rem;
  padding-top: 3rem;
  border-top: 1px solid var(--border);
  text-align: center;
}

.footer p,
.footer-note p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--text-muted);
}

.footer p + p,
.footer-note p + p {
  margin-top: 0.5rem;
}

.footer a,
.footer-note a {
  color: var(--bilyx-accent) !important;
  text-decoration: none;
}

.footer a:hover,
.footer-note a:hover {
  text-decoration: underline;
}

/* ── Device mockup ── */
.device-frame {
  background: var(--surface) !important;
  border: 1px solid var(--border) !important;
  box-shadow: none !important;
}

.hero-mockup:hover .device-frame {
  transform: none !important;
}

/* ── Responsive ── */
@media (max-width: 768px) {
  :root,
  [data-theme="light"],
  [data-theme="dark"] {
    --detail-space-section: 3.5rem;
    --detail-space-block: 1.25rem;
  }

  .container,
  .page {
    padding: 0 1.25rem 4rem !important;
  }

  .details-topbar {
    padding: 1rem 1.25rem;
    flex-wrap: wrap;
  }

  .details-topnav a span,
  .details-topnav a {
    font-size: 0.82rem;
    padding: 0.5rem 0.85rem;
  }

  .details-cta {
    flex-direction: column;
    align-items: flex-start;
    padding: 1.75rem;
  }

  .details-cta-actions {
    width: 100%;
  }

  .details-cta-actions .btn-google,
  .details-cta-actions .btn-download,
  .details-cta-secondary {
    width: 100%;
    justify-content: center;
  }

  .hero,
  .hero-section,
  .hero-row,
  .hero-split,
  .hero-block,
  .hero-centered,
  .hero-dual {
    flex-direction: column;
    align-items: flex-start;
    text-align: left;
    padding: 2rem !important;
    gap: 1.75rem;
  }

  .hero-icon img {
    width: 96px !important;
    height: 96px !important;
  }

  .two-col,
  .stats-row {
    grid-template-columns: 1fr;
  }

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

  .screenshot-item {
    flex: 0 0 200px;
  }
}

@media (max-width: 480px) {
  .features-grid,
  .features-row,
  .benefits-grid {
    grid-template-columns: 1fr;
  }
}