/* ==================================
   EPIV - Components Styles
   Cards, Grids, Carousel, Filters
   ================================== */

/* ===== Grid System ===== */
.grid {
  display: grid;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.grid-4 {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

@media (max-width: 768px) {
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }
}

/* ===== Cards (Generic) ===== */
.card {
  background-color: white;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
  height: 100%;
  display: flex;
  flex-direction: column;
}

.card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.card-image {
  position: relative;
  overflow: hidden;
  background-color: var(--color-celadon);
  aspect-ratio: 16 / 9;
}

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

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

.card-body {
  padding: var(--spacing-lg);
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.card-title {
  font-size: var(--font-size-xl);
  color: var(--color-forest);
  margin-bottom: var(--spacing-sm);
  font-weight: var(--font-weight-bold);
}

.card-subtitle {
  font-size: var(--font-size-sm);
  color: var(--color-emerald);
  margin-bottom: var(--spacing-sm);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.card-text {
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-md);
  flex-grow: 1;
}

.card-footer {
  display: flex;
  gap: var(--spacing-sm);
  align-items: center;
  justify-content: flex-start;
  margin-top: auto;
}

/* ===== AI Illustration Banner (dark section with glow animation) ===== */
.ai-illustration-banner {
  background: #051515;
  padding: clamp(1.5rem, 4vw, 3rem) 0;
  overflow: hidden;
  position: relative;
}

.ai-illustration-banner::before,
.ai-illustration-banner::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  height: 40px;
  pointer-events: none;
  z-index: 1;
}

.ai-illustration-banner::before {
  top: 0;
  background: linear-gradient(to bottom, #051515, transparent);
}

.ai-illustration-banner::after {
  bottom: 0;
  background: linear-gradient(to top, #051515, transparent);
}

.ai-illustration-frame {
  max-width: 1500px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.9s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.9s cubic-bezier(0.16, 1, 0.3, 1);
}

.ai-illustration-frame.visible {
  opacity: 1;
  transform: translateY(0);
}

.ai-illustration-frame img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius-lg);
  animation: aiPulse 6s ease-in-out infinite;
  transition: filter 0.4s ease, transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes aiPulse {
  0%, 100% { filter: brightness(0.95) saturate(1); }
  50%      { filter: brightness(1.08) saturate(1.12); }
}

.ai-illustration-frame:hover img {
  animation-play-state: paused;
  filter: brightness(1.15) saturate(1.2);
  transform: scale(1.015);
}

@media (prefers-reduced-motion: reduce) {
  .ai-illustration-frame {
    transition: none;
    opacity: 1;
    transform: none;
  }
  .ai-illustration-frame img {
    animation: none;
  }
}

/* ===== People Grid ===== */
.people-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: var(--spacing-md);
  justify-items: stretch;
  align-items: stretch;
  max-width: 1400px;
  margin: 0 auto;
}

@media (max-width: 1200px) {
  .people-grid {
    grid-template-columns: repeat(5, 1fr);
  }
}

@media (max-width: 992px) {
  .people-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (max-width: 768px) {
  .people-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 480px) {
  .people-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ===== People Card ===== */
.people-card {
  background-color: white;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
  text-align: center;
  width: 100%;
  max-width: 280px;
}

.people-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.people-card-image {
  aspect-ratio: 1;
  overflow: hidden;
  background: linear-gradient(135deg, var(--color-celadon) 0%, var(--color-emerald) 100%);
}

.people-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.people-card-body {
  padding: var(--spacing-md);
}

.people-card-content {
  padding: var(--spacing-md);
}

.people-card-name {
  font-size: var(--font-size-base);
  color: var(--color-forest);
  margin-bottom: var(--spacing-xs);
  font-weight: var(--font-weight-bold);
}

.people-card-role {
  font-size: var(--font-size-xs);
  color: var(--color-emerald);
  margin-bottom: var(--spacing-xs);
  font-weight: var(--font-weight-medium);
}

.people-card-team {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-md);
}

.people-card-bio {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-sm);
  line-height: var(--line-height-relaxed);
}

.people-card-email {
  font-size: var(--font-size-sm);
  margin-bottom: var(--spacing-sm);
}

.people-card-email a {
  color: var(--color-emerald);
  text-decoration: none;
}

.people-card-email a:hover {
  text-decoration: underline;
}

.people-card-link {
  display: inline-block;
  margin-top: var(--spacing-sm);
  color: var(--color-forest);
  font-weight: var(--font-weight-semibold);
  text-decoration: none;
  transition: color var(--transition-base);
}

.people-card-link:hover {
  color: var(--color-emerald);
}

/* ===== Team Card ===== */
.team-card {
  background-color: white;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
}

.team-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.team-card-image {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background-color: var(--color-celadon);
}

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

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

.team-card-body {
  padding: var(--spacing-lg);
}

.team-card-title {
  font-size: var(--font-size-2xl);
  color: var(--color-forest);
  margin-bottom: var(--spacing-sm);
}

.team-card-leader {
  font-size: var(--font-size-sm);
  color: var(--color-emerald);
  margin-bottom: var(--spacing-md);
  font-weight: var(--font-weight-semibold);
}

/* ===== Facility Card ===== */
.facility-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4 / 3;
  box-shadow: var(--shadow-md);
}

.facility-card-image {
  width: 100%;
  height: 100%;
}

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

.facility-card:hover .facility-card-image img {
  transform: scale(1.1);
}

.facility-card-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(to top, rgba(5, 68, 68, 0.95) 0%, transparent 100%);
  padding: var(--spacing-lg);
  color: white;
  transition: all var(--transition-base);
}

.facility-card:hover .facility-card-overlay {
  background: linear-gradient(to top, rgba(5, 68, 68, 0.98) 0%, rgba(5, 68, 68, 0.6) 100%);
}

.facility-card-title {
  font-size: var(--font-size-2xl);
  color: white;
  margin-bottom: var(--spacing-xs);
}

.facility-card-description {
  font-size: var(--font-size-sm);
  color: var(--color-celadon);
}

/* ===== Filter Bar ===== */
.filter-bar {
  background-color: var(--bg-secondary);
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  margin-bottom: var(--spacing-xl);
  box-shadow: var(--shadow-sm);
}

.filter-bar-title {
  font-size: var(--font-size-lg);
  color: var(--color-forest);
  margin-bottom: var(--spacing-md);
  font-weight: var(--font-weight-semibold);
}

.filter-controls {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
  align-items: flex-end;
}

.filter-group {
  flex: 1;
  min-width: 200px;
}

.filter-label {
  display: block;
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-xs);
  font-weight: var(--font-weight-medium);
}

.filter-select,
.filter-input {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--font-size-base);
  border: 2px solid var(--color-celadon);
  border-radius: var(--radius-md);
  background-color: white;
  transition: all var(--transition-fast);
}

.filter-select:focus,
.filter-input:focus {
  outline: none;
  border-color: var(--color-emerald);
  box-shadow: 0 0 0 3px rgba(26, 194, 151, 0.1);
}

.filter-button {
  padding: var(--spacing-sm) var(--spacing-lg);
  background-color: var(--color-emerald);
  color: white;
  border: none;
  border-radius: var(--radius-md);
  font-weight: var(--font-weight-semibold);
  cursor: pointer;
  transition: all var(--transition-base);
}

.filter-button:hover {
  background-color: var(--color-emerald-dark);
  transform: translateY(-1px);
}

.filter-results {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-top: var(--spacing-md);
}

/* ===== Logo Grid (Partners/Funders) ===== */
.logo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 200px));
  gap: var(--spacing-lg);
  align-items: stretch;
  justify-content: start;
}

.logo-item {
  padding: var(--spacing-md);
  background-color: white;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 150px;
  text-decoration: none;
  color: inherit;
}

.logo-item:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.logo-image {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 80px;
  width: 100%;
  margin-bottom: var(--spacing-sm);
}

.logo-item img {
  max-width: 100%;
  max-height: 80px;
  width: auto;
  height: auto;
  object-fit: contain;
}

.logo-placeholder {
  width: 60px;
  height: 60px;
  background: var(--color-celadon);
  color: var(--color-forest);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 700;
}

.logo-name {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-forest);
  text-align: center;
  line-height: 1.3;
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
}

/* ===== Carousel/Slider ===== */
.carousel {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  margin-bottom: var(--spacing-xl);
}

.carousel-track {
  display: flex;
  transition: transform var(--transition-slow);
}

.carousel-slide {
  min-width: 100%;
  position: relative;
}

.carousel-slide img {
  width: 100%;
  height: auto;
  display: block;
}

.carousel-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(to top, rgba(5, 68, 68, 0.9) 0%, transparent 100%);
  color: white;
  padding: var(--spacing-lg);
}

.carousel-caption h3 {
  color: white;
  margin-bottom: var(--spacing-xs);
}

.carousel-caption p {
  color: var(--color-celadon);
  font-size: var(--font-size-sm);
}

.carousel-controls {
  position: absolute;
  bottom: var(--spacing-md);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: var(--spacing-sm);
  z-index: 10;
}

.carousel-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.5);
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.carousel-dot.active {
  background-color: var(--color-mustard);
  transform: scale(1.2);
}

.carousel-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background-color: rgba(5, 68, 68, 0.7);
  color: white;
  border: none;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  cursor: pointer;
  font-size: var(--font-size-xl);
  transition: all var(--transition-base);
  z-index: 10;
}

.carousel-arrow:hover {
  background-color: var(--color-emerald);
}

.carousel-arrow-prev {
  left: var(--spacing-md);
}

.carousel-arrow-next {
  right: var(--spacing-md);
}

/* ===== Publication List ===== */
.publication-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.publication-item {
  padding: var(--spacing-md);
  border-left: 4px solid var(--color-emerald);
  background-color: white;
  margin-bottom: var(--spacing-md);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
}

.publication-item:hover {
  border-left-color: var(--color-forest);
  box-shadow: var(--shadow-md);
  transform: translateX(4px);
}

.publication-authors {
  font-weight: var(--font-weight-semibold);
  color: var(--color-forest);
  margin-bottom: var(--spacing-xs);
}

.publication-title {
  font-size: var(--font-size-lg);
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-xs);
}

.publication-journal {
  font-style: italic;
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  margin-bottom: var(--spacing-xs);
}

.publication-link {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  color: var(--color-emerald);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
}

/* ===== News Item ===== */
.news-item {
  background-color: white;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
}

.news-item:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.news-item-image {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background-color: var(--color-celadon);
}

.news-item-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.news-item-body {
  padding: var(--spacing-lg);
}

.news-item-date {
  font-size: var(--font-size-sm);
  color: var(--color-emerald);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--spacing-sm);
}

.news-item-title {
  font-size: var(--font-size-xl);
  color: var(--color-forest);
  margin-bottom: var(--spacing-sm);
}

.news-item-excerpt {
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-md);
}

.news-item-tags {
  display: flex;
  gap: var(--spacing-xs);
  flex-wrap: wrap;
}

.news-tag {
  padding: var(--spacing-xs) var(--spacing-sm);
  background-color: var(--color-celadon);
  color: var(--color-forest);
  font-size: var(--font-size-xs);
  border-radius: var(--radius-sm);
  font-weight: var(--font-weight-medium);
}

/* ===== Alert/Banner ===== */
.alert {
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-md);
  border-left: 4px solid;
}

.alert-info {
  background-color: var(--color-celadon);
  border-color: var(--color-emerald);
  color: var(--color-forest);
}

.alert-success {
  background-color: #d4f4dd;
  border-color: #28a745;
  color: #155724;
}

.alert-warning {
  background-color: #fff3cd;
  border-color: var(--color-mustard);
  color: #856404;
}

/* ===== Gallery Grid ===== */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: var(--spacing-md);
}

.gallery-item {
  position: relative;
  aspect-ratio: 1;
  overflow: hidden;
  border-radius: var(--radius-md);
  cursor: pointer;
}

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

.gallery-item:hover img {
  transform: scale(1.1);
}

.gallery-item-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(5, 68, 68, 0.8) 0%, transparent 60%);
  opacity: 0;
  transition: opacity var(--transition-base);
  display: flex;
  align-items: flex-end;
  padding: var(--spacing-md);
}

.gallery-item:hover .gallery-item-overlay {
  opacity: 1;
}

.gallery-item-caption {
  color: white;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .filter-controls {
    flex-direction: column;
  }

  .filter-group {
    width: 100%;
  }

  .logo-grid {
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  }

  .carousel-arrow {
    width: 36px;
    height: 36px;
    font-size: var(--font-size-base);
  }
}

/* ===== Article Content - Inline Images ===== */
.article-inline-image {
  margin: var(--spacing-lg) 0;
  max-width: 100%;
}

.article-inline-image img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  display: block;
}

.article-inline-image figcaption {
  font-size: var(--font-size-sm);
  color: var(--color-gray-dark);
  margin-top: var(--spacing-sm);
  font-style: italic;
  text-align: center;
}

/* Float layouts for single images */
.article-inline-image[style*="float: left"] {
  max-width: 45%;
  margin-right: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
}

.article-inline-image[style*="float: right"] {
  max-width: 45%;
  margin-left: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
}

/* Image Grid - Multiple images */
.article-image-grid {
  display: grid;
  gap: var(--spacing-md);
  margin: var(--spacing-lg) 0;
  clear: both;
}

.article-image-grid[style*="repeat(2"] {
  grid-template-columns: repeat(2, 1fr);
}

.article-image-grid[style*="repeat(3"] {
  grid-template-columns: repeat(3, 1fr);
}

.article-grid-image {
  margin: 0;
}

.article-grid-image img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  border-radius: var(--radius-md);
}

.article-grid-image figcaption {
  font-size: var(--font-size-xs);
  color: var(--color-gray-dark);
  margin-top: var(--spacing-xs);
  text-align: center;
}

/* ===== Article Quotes ===== */
.article-quote {
  border-left: 4px solid var(--color-emerald);
  padding: var(--spacing-md) var(--spacing-lg);
  margin: var(--spacing-lg) 0;
  background: var(--color-celadon);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-style: italic;
  font-size: var(--font-size-lg);
  color: var(--color-forest);
}

.article-quote p {
  margin: 0;
}

.article-quote cite {
  display: block;
  margin-top: var(--spacing-sm);
  font-size: var(--font-size-sm);
  color: var(--color-gray-dark);
  font-style: normal;
}

/* ===== Article Callouts ===== */
.article-callout {
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--radius-md);
  margin: var(--spacing-lg) 0;
  border-left: 4px solid;
}

.article-callout p {
  margin: 0;
}

.callout-info {
  background: #e8f4fd;
  border-left-color: #2196F3;
}

.callout-warning {
  background: #fff8e1;
  border-left-color: #ff9800;
}

.callout-success {
  background: #e8f5e9;
  border-left-color: #4caf50;
}

.callout-quote {
  background: #fce4ec;
  border-left-color: #e91e63;
}

/* ===== Article Separator ===== */
.article-separator {
  border: none;
  height: 2px;
  background: linear-gradient(to right, transparent, var(--color-emerald), transparent);
  margin: var(--spacing-xl) 0;
}

/* ===== Article Video Embed ===== */
.article-video {
  position: relative;
  padding-bottom: 56.25%; /* 16:9 aspect ratio */
  height: 0;
  overflow: hidden;
  margin: var(--spacing-lg) 0;
  border-radius: var(--radius-md);
  background: var(--color-gray-light);
}

.article-video iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 0;
  border-radius: var(--radius-md);
}

/* Responsive: Stack grid on mobile */
@media (max-width: 600px) {
  .article-inline-image[style*="float: left"],
  .article-inline-image[style*="float: right"] {
    float: none !important;
    max-width: 100%;
    margin: var(--spacing-lg) 0;
  }

  .article-image-grid {
    grid-template-columns: 1fr !important;
  }

  .article-quote {
    font-size: var(--font-size-base);
    padding: var(--spacing-sm) var(--spacing-md);
  }
}