/* ============================================================
   Case Studies — Supplementary Stylesheet
   Complements css/style.css (must be linked after it)
   ============================================================ */

/* -----------------------------------------------------------
   Case-Study Page Header
   Overrides the main .header for the simpler case-study layout
   ----------------------------------------------------------- */
.header {
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-xl) var(--space-md);
  margin-bottom: var(--space-xl);
}

.header h1 {
  font-family: var(--font-display);
  font-size: var(--fs-2xl);
  margin-bottom: var(--space-sm);
}

.header p {
  color: var(--color-text-secondary);
  font-size: var(--fs-lg);
}

/* -----------------------------------------------------------
   Case-Study Page Navigation (in-page links)
   A flat horizontal link bar — distinct from the main site nav
   ----------------------------------------------------------- */
.case-study-nav {
  display: flex;
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
  padding: 0 var(--space-md);
  flex-wrap: wrap;
}

.case-study-nav a {
  color: var(--color-accent);
  text-decoration: none;
  font-family: var(--font-body);
  font-weight: 500;
  padding: var(--space-sm);
  border-bottom: 2px solid transparent;
  transition: border-bottom-color var(--transition-base), color var(--transition-base);
}

.case-study-nav a:hover {
  border-bottom-color: var(--color-accent);
  color: var(--color-accent-dark);
}

.case-study-nav a:focus-visible {
  outline: 2px solid var(--color-gold);
  outline-offset: 2px;
  border-radius: var(--border-radius);
}

/* -----------------------------------------------------------
   Case Study Card
   ----------------------------------------------------------- */
.case-study {
  margin-bottom: var(--space-xl);
  padding: var(--space-xl);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  background: var(--color-bg-card);
  transition: box-shadow var(--transition-base);
}

.case-study:hover {
  box-shadow: var(--shadow-sm);
}

.case-study h2 {
  font-family: var(--font-display);
  font-size: var(--fs-xl);
  margin-bottom: var(--space-sm);
}

/* -----------------------------------------------------------
   Meta (date, author, category indicators)
   ----------------------------------------------------------- */
.meta {
  display: flex;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
  font-family: var(--font-body);
  font-size: var(--fs-sm);
  color: var(--color-text-light);
  flex-wrap: wrap;
}

.meta span {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

/* -----------------------------------------------------------
   Style Summary
   ----------------------------------------------------------- */
.style-summary {
  background: var(--color-bg-alt);
  padding: var(--space-md);
  border-radius: var(--border-radius);
  margin-bottom: var(--space-lg);
}

.style-summary h3 {
  font-family: var(--font-body);
  font-size: var(--fs-sm);
  font-weight: 600;
  margin-bottom: var(--space-sm);
  text-transform: uppercase;
  letter-spacing: var(--ls-sm);
  color: var(--color-text-secondary);
}

.style-summary p {
  line-height: 1.8;
  color: var(--color-text-secondary);
}

/* -----------------------------------------------------------
   Outfits Grid
   ----------------------------------------------------------- */
.outfits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-lg);
  margin-bottom: var(--space-lg);
}

/* -----------------------------------------------------------
   Individual Outfit Card
   ----------------------------------------------------------- */
.outfit {
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  background: var(--color-bg-card);
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}

.outfit:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.outfit:focus-within {
  box-shadow: var(--shadow-lg);
}

/* -----------------------------------------------------------
   Outfit Image Placeholder
   ----------------------------------------------------------- */
.outfit-image {
  width: 100%;
  aspect-ratio: 2/3;
  background: var(--color-bg-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--fs-sm);
  color: var(--color-text-light);
  font-style: italic;
  overflow: hidden;
}

.outfit-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.outfit:hover .outfit-image img {
  transform: scale(1.04);
}

/* -----------------------------------------------------------
   Outfit Details
   ----------------------------------------------------------- */
.outfit-details {
  padding: var(--space-md);
}

.outfit-title {
  font-family: var(--font-display);
  font-weight: 600;
  margin-bottom: var(--space-sm);
  font-size: var(--fs-sm);
  color: var(--color-text);
}

.outfit-desc {
  font-size: var(--fs-sm);
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-sm);
}

/* -----------------------------------------------------------
   Outfit Breakdown (item list with label–value pairs)
   ----------------------------------------------------------- */
.outfit-breakdown {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  font-size: var(--fs-xs);
}

.breakdown-item {
  display: flex;
  justify-content: space-between;
  padding-bottom: var(--space-xs);
  border-bottom: 1px solid var(--color-border-light);
}

.breakdown-item:last-child {
  border-bottom: none;
}

.breakdown-label {
  font-weight: 600;
  color: var(--color-text);
}

.breakdown-value {
  color: var(--color-text-light);
}

/* -----------------------------------------------------------
   Tags
   ----------------------------------------------------------- */
.tags {
  display: flex;
  gap: var(--space-xs);
  flex-wrap: wrap;
  margin-top: var(--space-sm);
}

.tag {
  display: inline-block;
  background: var(--color-bg-alt);
  padding: 0.25rem 0.75rem;
  border-radius: 12px;
  font-family: var(--font-body);
  font-size: var(--fs-xs);
  font-weight: 500;
  color: var(--color-text-secondary);
  transition: background var(--transition-fast), color var(--transition-fast);
}

.tag:hover {
  background: var(--color-highlight);
  color: var(--color-text);
}

/* -----------------------------------------------------------
   Key Insight Callout
   ----------------------------------------------------------- */
.key-insight {
  background: var(--color-highlight);
  border-left: 4px solid var(--color-gold);
  padding: var(--space-md);
  margin-bottom: var(--space-lg);
  border-radius: var(--border-radius);
}

.key-insight strong {
  color: var(--color-accent);
  display: block;
  font-family: var(--font-body);
  font-size: var(--fs-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: var(--ls-sm);
  margin-bottom: var(--space-xs);
}

.key-insight p {
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: 0;
}

/* -----------------------------------------------------------
   Back Link
   ----------------------------------------------------------- */
.back-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  margin-bottom: var(--space-lg);
  color: var(--color-accent);
  text-decoration: none;
  font-family: var(--font-body);
  font-size: var(--fs-sm);
  font-weight: 500;
  transition: color var(--transition-fast);
}

.back-link:hover {
  color: var(--color-accent-dark);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.back-link:focus-visible {
  outline: 2px solid var(--color-gold);
  outline-offset: 2px;
  border-radius: var(--border-radius);
}

/* -----------------------------------------------------------
   Case-Study Page Footer Override
   A simpler, lighter footer for inner pages
   ----------------------------------------------------------- */
.case-study-footer {
  text-align: center;
  padding: var(--space-xl) var(--space-md);
  color: var(--color-text-light);
  font-size: var(--fs-sm);
  border-top: 1px solid var(--color-border);
  margin-top: var(--space-xl);
}

/* ============================================================
   Responsive — Tablet & Below
   ============================================================ */
@media (max-width: 768px) {
  .outfits-grid {
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--space-md);
  }

  .case-study-nav {
    flex-direction: column;
    gap: var(--space-sm);
  }

  .case-study {
    padding: var(--space-lg);
  }

  .meta {
    flex-direction: column;
    gap: var(--space-sm);
  }

  .outfit-details {
    padding: var(--space-sm);
  }
}

/* ============================================================
   Accessibility
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  .outfit,
  .tag,
  .case-study-nav a,
  .back-link {
    transition: none;
  }

  .outfit:hover {
    transform: none;
  }

  .outfit:hover .outfit-image img {
    transform: none;
  }
}

/* ============================================================
   Print
   ============================================================ */
@media print {
  .case-study-nav,
  .back-link {
    display: none;
  }

  .case-study {
    border: 1px solid #ccc;
    break-inside: avoid;
    page-break-inside: avoid;
  }

  .outfit {
    break-inside: avoid;
    page-break-inside: avoid;
  }

  .key-insight {
    border-left-color: #000;
    background: #f5f5f5;
  }
}