/* ==========================================================================
   Camera Settings — Hub Landing Pages (Guides & Tools)
   Shared styles for section landing/index pages
   ========================================================================== */

/* --------------------------------------------------------------------------
   Hub Cards — Versatile card grid for listing guides & tools
   -------------------------------------------------------------------------- */
.hub-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}

@media (max-width: 900px) {
  .hub-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .hub-grid {
    grid-template-columns: 1fr;
  }
}

.hub-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding: var(--space-6);
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-xl);
  text-decoration: none;
  color: var(--color-black);
  transition: border-color var(--transition-fast), box-shadow var(--transition-base), transform var(--transition-base);
}

.hub-card:hover {
  border-color: var(--color-gray-400);
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.hub-card-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: var(--color-gray-100);
  border-radius: var(--radius-lg);
  color: var(--color-gray-500);
  flex-shrink: 0;
}

.hub-card-icon svg {
  width: 22px;
  height: 22px;
}

.hub-card-title {
  font-size: var(--text-lg);
  font-weight: var(--font-weight-semibold);
  letter-spacing: var(--tracking-tight);
  line-height: var(--leading-snug);
}

.hub-card-description {
  font-size: var(--text-sm);
  color: var(--color-gray-500);
  line-height: var(--leading-relaxed);
}

.hub-card-cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--text-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-gray-400);
  margin-top: auto;
  transition: color var(--transition-fast), gap var(--transition-fast);
}

.hub-card:hover .hub-card-cta {
  color: var(--color-black);
  gap: var(--space-2);
}

.hub-card:hover .hub-card-icon {
  color: var(--color-black);
  background: var(--color-gray-200);
}

/* --------------------------------------------------------------------------
   Featured Card — Larger, side-by-side layout for primary guides
   -------------------------------------------------------------------------- */
.hub-featured-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
  margin-bottom: var(--space-12);
}

@media (max-width: 768px) {
  .hub-featured-grid {
    grid-template-columns: 1fr;
  }
}

.hub-card--featured {
  padding: var(--space-8);
  background: var(--color-gray-50);
  border-color: var(--color-gray-200);
}

.hub-card--featured .hub-card-icon {
  width: 52px;
  height: 52px;
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
}

.hub-card--featured .hub-card-icon svg {
  width: 26px;
  height: 26px;
}

.hub-card--featured .hub-card-title {
  font-size: var(--text-xl);
}

.hub-card--featured .hub-card-description {
  font-size: var(--text-base);
  color: var(--color-gray-600);
}

/* --------------------------------------------------------------------------
   Alternating Section Background
   -------------------------------------------------------------------------- */
.hub-section--alt {
  background: var(--color-gray-50);
  border-top: 1px solid var(--color-gray-100);
}

/* --------------------------------------------------------------------------
   Category Sections — Grouped tools/guides with labels
   -------------------------------------------------------------------------- */
.hub-category {
  margin-bottom: var(--space-10);
}

.hub-category:last-child {
  margin-bottom: 0;
}

.hub-category-label {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: var(--tracking-widest);
  color: var(--color-gray-400);
  margin-bottom: var(--space-5);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--color-gray-200);
  width: 100%;
}

/* --------------------------------------------------------------------------
   Phone Guides Grid — Compact cards for phone model guides
   -------------------------------------------------------------------------- */
.hub-phone-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: var(--space-3);
}

.hub-phone-card {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-5);
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  text-decoration: none;
  color: var(--color-black);
  transition: border-color var(--transition-fast), box-shadow var(--transition-base), transform var(--transition-fast);
}

.hub-phone-card:hover {
  border-color: var(--color-gray-400);
  box-shadow: var(--shadow-sm);
  transform: translateY(-2px);
}

.hub-phone-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: var(--color-gray-100);
  border-radius: var(--radius-md);
  color: var(--color-gray-500);
  flex-shrink: 0;
}

.hub-phone-icon svg {
  width: 18px;
  height: 18px;
}

.hub-phone-card:hover .hub-phone-icon {
  color: var(--color-black);
  background: var(--color-gray-200);
}

.hub-phone-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.hub-phone-name {
  font-size: var(--text-sm);
  font-weight: var(--font-weight-semibold);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.hub-phone-sub {
  font-size: var(--text-xs);
  color: var(--color-gray-400);
}

.hub-phone-arrow {
  margin-left: auto;
  flex-shrink: 0;
  color: var(--color-gray-300);
  transition: color var(--transition-fast), transform var(--transition-fast);
}

.hub-phone-arrow svg {
  width: 16px;
  height: 16px;
}

.hub-phone-card:hover .hub-phone-arrow {
  color: var(--color-black);
  transform: translateX(3px);
}

/* --------------------------------------------------------------------------
   Cheat Sheet Teaser Grid — Preview cards linking to /guides/cheat-sheets/
   -------------------------------------------------------------------------- */
.hub-cheat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: var(--space-3);
}

.hub-cheat-card {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-md);
  text-decoration: none;
  color: var(--color-black);
  font-size: var(--text-sm);
  font-weight: var(--font-weight-medium);
  transition: border-color var(--transition-fast), background-color var(--transition-fast);
}

.hub-cheat-card:hover {
  border-color: var(--color-gray-400);
  background-color: var(--color-gray-50);
}

.hub-cheat-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-gray-300);
  flex-shrink: 0;
}

.hub-cheat-card:hover .hub-cheat-dot {
  background: var(--color-black);
}

/* Section CTA link */
.hub-section-cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-6);
  font-size: var(--text-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-gray-500);
  transition: color var(--transition-fast);
}

.hub-section-cta:hover {
  color: var(--color-black);
}

.hub-section-cta svg {
  width: 14px;
  height: 14px;
  transition: transform var(--transition-fast);
}

.hub-section-cta:hover svg {
  transform: translateX(3px);
}

/* --------------------------------------------------------------------------
   Animations
   -------------------------------------------------------------------------- */
.hub-card,
.hub-phone-card,
.hub-cheat-card {
  animation: hubFadeIn 0.4s ease-out forwards;
  opacity: 0;
}

@keyframes hubFadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hub-card:nth-child(1),
.hub-phone-card:nth-child(1) { animation-delay: 50ms; }
.hub-card:nth-child(2),
.hub-phone-card:nth-child(2) { animation-delay: 100ms; }
.hub-card:nth-child(3),
.hub-phone-card:nth-child(3) { animation-delay: 150ms; }
.hub-card:nth-child(4),
.hub-phone-card:nth-child(4) { animation-delay: 200ms; }
.hub-card:nth-child(5),
.hub-phone-card:nth-child(5) { animation-delay: 250ms; }
.hub-card:nth-child(6),
.hub-phone-card:nth-child(6) { animation-delay: 300ms; }
.hub-card:nth-child(7) { animation-delay: 350ms; }
.hub-card:nth-child(8) { animation-delay: 400ms; }
.hub-card:nth-child(9) { animation-delay: 450ms; }

/* --------------------------------------------------------------------------
   Night Vision Mode
   -------------------------------------------------------------------------- */
body.night-vision .hub-section--alt {
  background: var(--nv-bg-elevated);
  border-top-color: var(--nv-border);
}

body.night-vision .hub-card {
  background: var(--nv-bg-card);
  border-color: var(--nv-border);
  color: var(--nv-text);
}

body.night-vision .hub-card:hover {
  border-color: var(--nv-text-dim);
  box-shadow: 0 8px 32px rgba(204, 51, 51, 0.1);
}

body.night-vision .hub-card--featured {
  background: var(--nv-bg-elevated);
}

body.night-vision .hub-card-icon {
  background: var(--nv-bg);
  color: var(--nv-text-muted);
}

body.night-vision .hub-card:hover .hub-card-icon {
  background: var(--nv-border);
  color: var(--nv-text);
}

body.night-vision .hub-card--featured .hub-card-icon {
  background: var(--nv-bg-card);
  border-color: var(--nv-border);
}

body.night-vision .hub-card-title {
  color: var(--nv-text);
}

body.night-vision .hub-card-description {
  color: var(--nv-text-muted);
}

body.night-vision .hub-card--featured .hub-card-description {
  color: var(--nv-text-muted);
}

body.night-vision .hub-card-cta {
  color: var(--nv-text-dim);
}

body.night-vision .hub-card:hover .hub-card-cta {
  color: var(--nv-text);
}

body.night-vision .hub-category-label {
  color: var(--nv-text-dim);
  border-bottom-color: var(--nv-border);
}

body.night-vision .hub-phone-card {
  background: var(--nv-bg-card);
  border-color: var(--nv-border);
  color: var(--nv-text);
}

body.night-vision .hub-phone-card:hover {
  border-color: var(--nv-text-dim);
  box-shadow: 0 4px 16px rgba(204, 51, 51, 0.08);
}

body.night-vision .hub-phone-icon {
  background: var(--nv-bg);
  color: var(--nv-text-muted);
}

body.night-vision .hub-phone-card:hover .hub-phone-icon {
  background: var(--nv-border);
  color: var(--nv-text);
}

body.night-vision .hub-phone-name {
  color: var(--nv-text);
}

body.night-vision .hub-phone-sub {
  color: var(--nv-text-dim);
}

body.night-vision .hub-phone-arrow {
  color: var(--nv-text-dim);
}

body.night-vision .hub-phone-card:hover .hub-phone-arrow {
  color: var(--nv-text);
}

body.night-vision .hub-cheat-card {
  background: var(--nv-bg-card);
  border-color: var(--nv-border);
  color: var(--nv-text);
}

body.night-vision .hub-cheat-card:hover {
  border-color: var(--nv-text-dim);
  background-color: var(--nv-bg-elevated);
}

body.night-vision .hub-cheat-dot {
  background: var(--nv-text-dim);
}

body.night-vision .hub-cheat-card:hover .hub-cheat-dot {
  background: var(--nv-text);
}

body.night-vision .hub-section-cta {
  color: var(--nv-text-muted);
}

body.night-vision .hub-section-cta:hover {
  color: var(--nv-text);
}