/* ==========================================================================
   MISSIONARY TRAINING COLLEGE (MTC) — ACTIVITIES SECTION STYLESHEET
   Designed toward WCAG 2.2 AA Conformance
   Guiding Principle: "Preserve the information. Redesign the experience."
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. ACTIVITIES HUB GRID & CARDS
   -------------------------------------------------------------------------- */
.activities-hub-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--space-xl);
  margin: var(--space-2xl) 0;
}

.activity-card {
  display: flex;
  flex-direction: column;
  background-color: var(--color-surface-white);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
  text-decoration: none;
  color: inherit;
  position: relative;
}

.activity-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary-400);
  text-decoration: none;
}

.activity-card:focus-visible {
  outline: 3px solid var(--color-accent-500);
  outline-offset: 3px;
}

.activity-card-media {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background-color: var(--color-primary-900);
}

.activity-card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform var(--transition-normal);
}

.activity-card:hover .activity-card-img {
  transform: scale(1.04);
}

.activity-card-badge {
  position: absolute;
  top: 1rem;
  left: 1rem;
  background-color: rgba(10, 27, 45, 0.9);
  color: var(--color-accent-400);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-sm);
  backdrop-filter: blur(4px);
  border: 1px solid rgba(223, 168, 44, 0.3);
}

.activity-card-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.activity-card-title {
  font-family: var(--font-family-serif);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary-900);
  margin-bottom: 0.5rem;
  line-height: 1.3;
}

.activity-card-subtitle {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  color: var(--color-accent-700);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.75rem;
}

.activity-card-text {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
  margin-bottom: 1.25rem;
  flex-grow: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.activity-card-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary-800);
  margin-top: auto;
  transition: color var(--transition-fast), gap var(--transition-fast);
}

.activity-card:hover .activity-card-cta {
  color: var(--color-accent-700);
  gap: 0.75rem;
}

.activity-card-cta svg {
  transition: transform var(--transition-fast);
}

.activity-card:hover .activity-card-cta svg {
  transform: translateX(3px);
}

/* --------------------------------------------------------------------------
   2. ACTIVITY DETAIL PAGE LAYOUT
   -------------------------------------------------------------------------- */
.activity-lead-box {
  background-color: var(--color-primary-50);
  border-left: 4px solid var(--color-primary-800);
  padding: 1.5rem 1.75rem;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin-bottom: 2rem;
}

.activity-lead-text {
  font-size: var(--font-size-md);
  color: var(--color-primary-900);
  line-height: var(--line-height-relaxed);
  font-weight: var(--font-weight-medium);
  margin: 0;
}

.activity-hero-feature {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: 2.5rem;
  box-shadow: var(--shadow-md);
  background-color: var(--color-primary-900);
}

.activity-hero-feature img {
  width: 100%;
  max-height: 480px;
  object-fit: cover;
  display: block;
}

.activity-hero-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(to top, rgba(10, 27, 45, 0.95), rgba(10, 27, 45, 0.5) 70%, transparent);
  color: var(--color-text-light);
  padding: 1.5rem;
  font-size: var(--font-size-sm);
}

.activity-hero-caption p {
  margin: 0;
  color: var(--color-text-light-muted);
}

/* --------------------------------------------------------------------------
   3. ACCESSIBLE PHOTO GALLERY
   -------------------------------------------------------------------------- */
.activity-gallery-section {
  margin: 3rem 0;
  padding-top: 2rem;
  border-top: 1px solid var(--color-border-subtle);
}

.activity-gallery-heading {
  font-family: var(--font-family-serif);
  font-size: var(--font-size-xl);
  color: var(--color-primary-900);
  margin-bottom: 0.5rem;
}

.activity-gallery-subtitle {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-bottom: 1.5rem;
}

.activity-gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem;
}

.gallery-card {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  background-color: var(--color-primary-900);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border-subtle);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.gallery-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.gallery-card a {
  display: block;
  width: 100%;
  height: 100%;
  text-decoration: none;
  color: inherit;
}

.gallery-card a:focus-visible {
  outline: 3px solid var(--color-accent-500);
  outline-offset: -3px;
}

.gallery-card-img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  display: block;
  transition: transform var(--transition-normal);
}

.gallery-card:hover .gallery-card-img {
  transform: scale(1.05);
}

.gallery-card-caption {
  padding: 0.875rem 1rem;
  background-color: var(--color-surface-white);
  border-top: 1px solid var(--color-border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.gallery-card-label {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary-900);
  margin: 0;
}

.gallery-card-icon {
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
}

/* --------------------------------------------------------------------------
   4. SKILL TRAINING 13-MODULE GRID
   -------------------------------------------------------------------------- */
.skills-curriculum-container {
  margin: 2.5rem 0;
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem;
  margin-top: 1.5rem;
}

.skill-item-card {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  background-color: var(--color-surface-white);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  box-shadow: var(--shadow-xs);
  transition: transform var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.skill-item-card:hover {
  transform: translateY(-2px);
  border-color: var(--color-primary-400);
  box-shadow: var(--shadow-sm);
}

.skill-number-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background-color: var(--color-primary-800);
  color: var(--color-accent-400);
  font-family: var(--font-family-mono);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}

.skill-item-title {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary-900);
  margin: 0 0 0.25rem 0;
  line-height: 1.35;
}

.skill-item-category {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  margin: 0;
}

/* --------------------------------------------------------------------------
   5. HIGHLIGHT CALLOUTS & STATS STRIP
   -------------------------------------------------------------------------- */
.activity-info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  margin: 2rem 0;
}

.activity-info-item {
  background-color: var(--color-surface-white);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-sm);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
}

.activity-info-label {
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  font-weight: var(--font-weight-semibold);
  margin-bottom: 0.35rem;
}

.activity-info-value {
  font-family: var(--font-family-serif);
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary-900);
  margin: 0;
}

/* --------------------------------------------------------------------------
   6. RESPONSIVE ADJUSTMENTS
   -------------------------------------------------------------------------- */
@media (max-width: 768px) {
  .activities-hub-grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

  .activity-lead-box {
    padding: 1.25rem;
  }

  .activity-gallery-grid {
    grid-template-columns: 1fr;
  }

  .skills-grid {
    grid-template-columns: 1fr;
  }
}