/* ==========================================================================
   Resource Listing Grid
   ========================================================================== */
.resource-listing {
  padding: var(--spacing-12, 3rem) var(--spacing-4, 1rem);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.resource-listing__container {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.resource-listing__header {
  text-align: center;
  max-width: 800px;
  margin-bottom: var(--spacing-10, 2.5rem);
}

.resource-listing__title {
  font-family: var(--font-heading, 'Inter', sans-serif);
  font-size: var(--text-3xl, 1.875rem);
  font-weight: 700;
  color: var(--color-trust-navy, #0a192f);
  margin: 0 0 var(--spacing-4, 1rem) 0;
}

.resource-listing__subtitle {
  font-family: var(--font-body, 'Inter', sans-serif);
  font-size: var(--text-lg, 1.125rem);
  color: var(--color-slate-blue, #475569);
  line-height: 1.6;
  margin: 0;
}

.resource-listing__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-8, 2rem);
  width: 100%;
  max-width: var(--container-max-width, 1200px);
}

@media (min-width: 768px) {
  .resource-listing__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .resource-listing__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ==========================================================================
   Resource Card
   ========================================================================== */
.resource-card {
  background-color: var(--color-white, #ffffff);
  border: 1px solid var(--color-border, #e2e8f0);
  border-radius: var(--radius-lg, 8px);
  overflow: hidden;
  transition: transform var(--motion-duration-medium, 300ms) var(--motion-ease-out, ease-out),
              box-shadow var(--motion-duration-medium, 300ms) var(--motion-ease-out, ease-out);
  height: 100%;
  display: flex;
  flex-direction: column;
}

.resource-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md, 0 4px 6px -1px rgba(0, 0, 0, 0.1));
}

.resource-card__link-wrapper {
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.resource-card__image-wrapper {
  position: relative;
  width: 100%;
  padding-top: 56.25%;
  /* 16:9 Aspect Ratio */
  background-color: var(--color-background-muted, #f8fafc);
  border-bottom: 1px solid var(--color-border, #e2e8f0);
  overflow: hidden;
}

.resource-card__image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--motion-duration-slow, 600ms) var(--motion-ease-out, ease-out);
}

.resource-card:hover .resource-card__image {
  transform: scale(1.05);
  /* Slight zoom effect on hover */
}

.resource-card__image-placeholder {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--color-slate-blue, #2a4b7c), var(--color-trust-navy, #0f294a));
}

.resource-card__badge {
  position: absolute;
  top: var(--spacing-4, 1rem);
  left: var(--spacing-4, 1rem);
  background-color: var(--color-white, #ffffff);
  color: var(--color-trust-navy, #0f294a);
  font-family: var(--font-heading, 'Inter', sans-serif);
  font-size: var(--text-xs, 0.75rem);
  font-weight: 700;
  text-transform: uppercase;
  padding: var(--spacing-1, 0.25rem) var(--spacing-3, 0.75rem);
  border-radius: var(--radius-full, 9999px);
  box-shadow: var(--shadow-sm, 0 1px 2px 0 rgba(0, 0, 0, 0.05));
}

.resource-card__content {
  padding: var(--spacing-6, 1.5rem);
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.resource-card__meta {
  display: flex;
  align-items: center;
  font-family: var(--font-body, 'Inter', sans-serif);
  font-size: var(--text-sm, 0.875rem);
  color: var(--color-text-secondary, #4a4d55);
  margin-bottom: var(--spacing-3, 0.75rem);
}

.resource-card__meta-dot {
  margin: 0 var(--spacing-2, 0.5rem);
  font-size: 0.5rem;
}

.resource-card__title {
  font-family: var(--font-heading, 'Inter', sans-serif);
  font-size: var(--text-xl, 1.25rem);
  font-weight: 600;
  color: var(--color-trust-navy, #0f294a);
  line-height: 1.3;
  margin: 0 0 var(--spacing-3, 0.75rem) 0;
  
  /* Line clamp to 2 lines */
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: color var(--motion-duration-fast, 200ms) var(--motion-ease-out, ease-out);
}

.resource-card:hover .resource-card__title {
  color: var(--color-action-blue, #0056d2);
}

.resource-card__summary {
  font-family: var(--font-body, 'Inter', sans-serif);
  font-size: var(--text-base, 1rem);
  color: var(--color-slate-blue, #475569);
  line-height: 1.6;
  margin: 0 0 var(--spacing-6, 1.5rem) 0;
  flex-grow: 1;
  
  /* Line clamp to 3 lines */
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.resource-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-2, 0.5rem);
  margin-bottom: var(--spacing-6, 1.5rem);
}

.resource-card__tag-chip {
  background-color: var(--color-background-muted, #f8fafc);
  color: var(--color-slate-blue, #2a4b7c);
  font-family: var(--font-body, 'Inter', sans-serif);
  font-size: var(--text-xs, 0.75rem);
  font-weight: 500;
  padding: var(--spacing-1, 0.25rem) var(--spacing-3, 0.75rem);
  border-radius: var(--radius-md, 6px);
  border: 1px solid var(--color-border, #e2e8f0);
}

.resource-card__cta {
  display: flex;
  align-items: center;
  font-family: var(--font-heading, 'Inter', sans-serif);
  font-size: var(--text-sm, 0.875rem);
  font-weight: 600;
  color: var(--color-action-blue, #0056d2);
  margin-top: auto;
}

.resource-card__cta-icon {
  margin-left: var(--spacing-2, 0.5rem);
  transition: transform var(--motion-duration-fast, 200ms) var(--motion-ease-out, ease-out);
}

.resource-card:hover .resource-card__cta-icon {
  transform: translateX(4px);
}

/* =========================================================================
   Choreographed Load Sequence (ScrollReveal Integration)
   ========================================================================= */

@media (prefers-reduced-motion: no-preference) {
  /* Set initial hidden states */
  .resource-listing__header,
  .resource-listing__grid > * {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity var(--motion-duration-medium, 400ms) var(--motion-ease-out, ease-out),
                transform var(--motion-duration-medium, 400ms) var(--motion-ease-out, ease-out);
  }

  /* Reveal sequence when ScrollAnimationWrapper attaches .is-visible */
  .is-visible .resource-listing__header {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.1s;
  }

  /* Stagger the resource cards */
  .is-visible .resource-listing__grid > * {
    opacity: 1;
    transform: translateY(0);
  }

  .is-visible .resource-listing__grid > :nth-child(1) { transition-delay: 0.2s; }
  .is-visible .resource-listing__grid > :nth-child(2) { transition-delay: 0.35s; }
  .is-visible .resource-listing__grid > :nth-child(3) { transition-delay: 0.5s; }
  .is-visible .resource-listing__grid > :nth-child(4) { transition-delay: 0.65s; }
  .is-visible .resource-listing__grid > :nth-child(5) { transition-delay: 0.8s; }
  .is-visible .resource-listing__grid > :nth-child(n+6) { transition-delay: 0.95s; } /* Fallback */
}