/* ============================================
   PORTFOLIO PAGE OPTIMIZATIONS FOR DESKTOP
   ============================================ */

:root {
  --page-header-padding-top: 120px;
  --page-header-padding-bottom: 60px;
  --album-grid-gap: 30px;
  --album-grid-columns: auto-fit;
  --filter-margin-bottom: 40px;
}

/* *** PAGE HEADER OPTIMIZATION *** */
.page-header {
  padding: var(--page-header-padding-top) 0 var(--page-header-padding-bottom) !important;
  background: linear-gradient(135deg, var(--bg-light) 0%, rgba(235, 149, 0, 0.02) 100%);
  position: relative;
}

.page-header::before {
  bottom: -30px;
  left: 50%;
  transform: translateX(-50%);
  width: 250px;
  height: 250px;
  background: var(--gradient-subtle);
  z-index: 0;
  opacity: 0.6;
}

.page-title {
  font-size: 48px !important;
  margin-bottom: 16px;
  position: relative;
  z-index: 1;
}

.page-subtitle {
  font-size: 16px !important;
  margin: 12px auto 0;
  position: relative;
 z-index: 1;
}

.gold-line {
  width: 80px !important;
  height: 2px !important;
  background: linear-gradient(90deg, transparent, var(--accent-orange), transparent) !important;
  margin: 20px auto !important;
  box-shadow: 0 2px 8px rgba(235, 149, 0, 0.15) !important;
}

/* *** FILTERS OPTIMIZATION *** */
.filters-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  margin-bottom: var(--filter-margin-bottom);
  flex-wrap: wrap;
  animation: fadeInUp 0.6s ease-out;
}

#portfolio-filters {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
  text-align: center;
}

.filter-btn {
  padding: 10px 22px !important;
  font-size: 12px !important;
  border-radius: 50px;
  border: 2px solid rgba(255, 140, 66, 0.3);
  background: transparent;
  color: var(--medium-gray);
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  letter-spacing: 0.5px;
  text-transform: uppercase;
  font-weight: 600;
  outline: 2px solid transparent;
  outline-offset: 2px;
}

.filter-btn:hover {
  border-color: var(--accent-orange);
  color: var(--accent-orange);
  background: rgba(255, 140, 66, 0.08);
  transform: translateY(-2px);
}

.filter-btn:focus {
  outline-color: var(--accent-orange);
}

.filter-btn.active {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
  color: white;
  box-shadow: 0 8px 24px rgba(30, 86, 49, 0.2);
  transform: translateY(-2px);
}

.back-button,
.category-share-btn,
.album-share-btn {
  padding: 8px 16px;
  background: rgba(255, 140, 66, 0.1);
  border: 1px solid rgba(255, 140, 66, 0.3);
  border-radius: 50px;
  cursor: pointer;
  transition: all 0.3s ease;
  font-size: 12px;
  font-weight: 600;
  color: var(--medium-gray);
}

.back-button:hover,
.category-share-btn:hover,
.album-share-btn:hover {
  border-color: var(--accent-orange);
  color: var(--accent-orange);
  background: rgba(255, 140, 66, 0.15);
  transform: translateY(-2px);
}

.back-button.hidden,
.category-share-btn.hidden,
.album-share-btn.hidden {
  display: none !important;
}

/* *** ALBUM GRID OPTIMIZATION *** */
.album-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--album-grid-gap);
  margin-bottom: 60px;
  animation: fadeInUp 0.6s ease-out 0.1s backwards;
}

.album-card {
  position: relative;
  overflow: hidden;
  border-radius: 12px;
  aspect-ratio: 1 / 1.1;
  cursor: pointer;
  transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  box-shadow: 0 4px 12px rgba(30, 86, 49, 0.08);
  border: 1px solid rgba(30, 86, 49, 0.04);
  text-decoration: none;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  background: white;
}

.album-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 16px 32px rgba(30, 86, 49, 0.15);
  border-color: rgba(255, 140, 66, 0.2);
}

.album-card-thumbnail {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  display: block;
  flex: 1;
}

.album-card:hover .album-card-thumbnail {
  transform: scale(1.08);
}

.album-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(0, 0, 0, 0.2) 0%, transparent 30%, transparent 70%, rgba(0, 0, 0, 0.4) 100%);
  opacity: 0;
  transition: opacity 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  pointer-events: none;
}

.album-card:hover .album-card-overlay {
  opacity: 1;
}

.album-card-title {
  position: absolute;
  bottom: 16px;
  left: 16px;
  right: 16px;
  font-family: 'Lora', serif;
  font-size: 16px;
  font-weight: 600;
  color: white;
  margin: 0;
  z-index: 2;
  transition: transform 0.3s ease;
  word-break: break-word;
}

.album-card:hover .album-card-title {
  transform: translateY(-4px);
}

/* *** PORTFOLIO GRID (IMAGE DETAIL VIEW) *** */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  margin-bottom: 60px;
  animation: fadeInUp 0.6s ease-out;
}

.grid-item {
  position: relative;
  overflow: hidden;
  border-radius: 8px;
  aspect-ratio: 1 / 1;
  cursor: pointer;
  transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  box-shadow: 0 4px 12px rgba(30, 86, 49, 0.08);
  border: 1px solid rgba(30, 86, 49, 0.04);
  background: white;
}

.grid-item:hover {
  transform: translateY(-6px) scale(1.02);
  box-shadow: 0 12px 28px rgba(30, 86, 49, 0.12);
  border-color: rgba(255, 140, 66, 0.15);
}

.grid-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.grid-item:hover img {
  transform: scale(1.06);
}

/* *** EXPLORE SECTION *** */
.explore-section {
  text-align: center;
  padding: 50px 30px;
  margin: 60px 0;
  background: linear-gradient(135deg, rgba(255, 140, 66, 0.04) 0%, transparent 100%);
  border-radius: 12px;
  animation: fadeInUp 0.6s ease-out;
}

.explore-section h3 {
  font-family: 'Lora', serif;
  font-size: 24px;
  font-weight: 700;
  color: var(--primary-dark);
  margin-bottom: 12px;
  letter-spacing: 0.5px;
}

.explore-section p {
  font-size: 14px;
  color: var(--medium-gray);
  margin-bottom: 24px;
  line-height: 1.6;
}

.explore-links {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}

.explore-link {
  display: inline-block;
  padding: 10px 24px;
  background: transparent;
  border: 2px solid var(--accent-orange);
  color: var(--accent-orange);
  border-radius: 50px;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.explore-link:hover {
  background: var(--accent-orange);
  color: white;
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(255, 140, 66, 0.2);
}

.explore-divider {
  width: 60px;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent-orange), transparent);
  margin: 0 auto 24px;
}

/* *** RESPONSIVE OPTIMIZATION *** */
@media (max-width: 1024px) {
  :root {
    --page-header-padding-top: 100px;
    --page-header-padding-bottom: 50px;
    --album-grid-gap: 26px;
    --filter-margin-bottom: 35px;
  }

  .page-title {
    font-size: 40px !important;
  }

  .page-subtitle {
    font-size: 15px !important;
  }

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

  .portfolio-grid {
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
  }

  .grid-item:hover {
    transform: translateY(-4px) scale(1.01);
  }

  .explore-section {
    padding: 40px 25px;
    margin: 50px 0;
  }
}

@media (max-width: 768px) {
  :root {
    --page-header-padding-top: 80px;
    --page-header-padding-bottom: 40px;
    --album-grid-gap: 20px;
    --filter-margin-bottom: 30px;
  }

  .page-title {
    font-size: 32px !important;
  }

  .page-subtitle {
    font-size: 13px !important;
  }

  .album-grid {
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  }

  .portfolio-grid {
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 16px;
  }

  .filter-btn {
    padding: 8px 16px !important;
    font-size: 11px !important;
  }

  .explore-section {
    padding: 30px 20px;
    margin: 40px 0;
  }

  .explore-section h3 {
    font-size: 20px;
  }
}

@media (max-width: 480px) {
  :root {
    --page-header-padding-top: 60px;
    --page-header-padding-bottom: 30px;
    --album-grid-gap: 16px;
    --filter-margin-bottom: 24px;
  }

  .page-title {
    font-size: 28px !important;
  }

  .page-subtitle {
    font-size: 12px !important;
  }

  .album-grid {
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  }

  .portfolio-grid {
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 12px;
  }

  .filter-btn {
    padding: 6px 12px !important;
    font-size: 10px !important;
    margin: 4px 2px;
  }

  .album-card-title {
    font-size: 13px;
    bottom: 12px;
    left: 12px;
    right: 12px;
  }

  .explore-section {
    padding: 24px 16px;
    margin: 30px 0;
  }

  .explore-section h3 {
    font-size: 18px;
    margin-bottom: 10px;
  }

  .explore-section p {
    font-size: 13px;
    margin-bottom: 16px;
  }

  .explore-links {
    gap: 12px;
  }

  .explore-link {
    padding: 8px 18px;
    font-size: 10px;
  }
}

/* *** ANIMATIONS *** */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideInFade {
  from {
    opacity: 0;
    transform: translateX(20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Hidden class for filter animation */
.album-card.hidden {
  animation: slideOutFade 0.3s ease-out forwards;
}

.album-card.visible {
  animation: slideInFade 0.3s ease-out;
}

@keyframes slideOutFade {
  from {
    opacity: 1;
    transform: translateX(0);
  }
  to {
    opacity: 0;
    transform: translateX(-20px);
  }
}