/* ============================================
   Portfolio Page CSS - Solar Surge
   Portfolio Grid, Video Section, Filter Tabs
   ============================================ */

/* --- Portfolio Section --- */
.portfolio-section {
  padding: var(--section-padding);
}

/* --- Filter Tabs --- */
.portfolio-filter {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-2xl);
  flex-wrap: wrap;
}

.portfolio-filter-btn {
  padding: 8px 24px;
  font-family: var(--font-heading);
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  color: var(--color-text);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition);
}

.portfolio-filter-btn:hover {
  border-color: var(--color-secondary);
  color: var(--color-secondary);
}

.portfolio-filter-btn.active {
  background: var(--color-secondary);
  border-color: var(--color-secondary);
  color: var(--color-primary);
  font-weight: var(--fw-semibold);
}

/* --- Portfolio Grid --- */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

/* Masonry-style variation */
.portfolio-grid.masonry {
  grid-template-columns: repeat(3, 1fr);
  grid-auto-rows: 10px;
}

.portfolio-item {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  transition: all var(--transition);
}

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

.portfolio-item-image {
  width: 100%;
  aspect-ratio: 4 / 3;
  background: linear-gradient(135deg, #e2e8f0, #cbd5e1);
  overflow: hidden;
}

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

.portfolio-item:hover .portfolio-item-image img {
  transform: scale(1.08);
}

/* Overlay */
.portfolio-item-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(26, 26, 46, 0.9) 0%, rgba(26, 26, 46, 0.2) 50%, transparent 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--space-lg);
  opacity: 0;
  transition: opacity var(--transition);
}

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

.portfolio-item-overlay .portfolio-tag {
  display: inline-block;
  padding: 3px 10px;
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  background: var(--color-secondary);
  color: var(--color-primary);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-sm);
  width: fit-content;
}

.portfolio-item-overlay h3 {
  font-size: var(--fs-lg);
  color: var(--color-white);
  margin-bottom: var(--space-xs);
}

.portfolio-item-overlay p {
  font-size: var(--fs-sm);
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: var(--space-sm);
}

.portfolio-item-overlay .portfolio-meta {
  display: flex;
  gap: var(--space-md);
  font-size: var(--fs-xs);
  color: rgba(255, 255, 255, 0.6);
}

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

.portfolio-item-overlay .portfolio-meta svg {
  width: 12px;
  height: 12px;
  fill: rgba(255, 255, 255, 0.6);
}

/* Zoom Icon on Hover */
.portfolio-zoom {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.5);
  width: 52px;
  height: 52px;
  border-radius: var(--radius-full);
  background: var(--color-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: all var(--transition);
}

.portfolio-item:hover .portfolio-zoom {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}

.portfolio-zoom svg {
  width: 22px;
  height: 22px;
  fill: var(--color-white);
}

/* --- Featured Projects (Larger Cards) --- */
.portfolio-featured {
  padding: var(--section-padding);
  background: var(--color-bg-alt);
}

.featured-projects-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
}

.featured-project-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  background: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  transition: all var(--transition);
}

.featured-project-card:hover {
  box-shadow: var(--shadow-lg);
}

.featured-project-card:nth-child(even) {
  direction: rtl;
}

.featured-project-card:nth-child(even) > * {
  direction: ltr;
}

.featured-project-image {
  width: 100%;
  height: 100%;
  min-height: 280px;
  background: linear-gradient(135deg, #e2e8f0, #cbd5e1);
  overflow: hidden;
}

.featured-project-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.featured-project-content {
  padding: var(--space-xl);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.featured-project-content .project-type {
  display: inline-block;
  padding: 3px 10px;
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  background: rgba(240, 165, 0, 0.1);
  color: var(--color-secondary-dark);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-md);
  width: fit-content;
}

.featured-project-content h3 {
  font-size: var(--fs-xl);
  margin-bottom: var(--space-sm);
}

.featured-project-content p {
  font-size: var(--fs-sm);
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: var(--space-lg);
}

.project-stats {
  display: flex;
  gap: var(--space-xl);
  margin-bottom: var(--space-lg);
}

.project-stat {
  text-align: center;
}

.project-stat .stat-num {
  display: block;
  font-family: var(--font-heading);
  font-size: var(--fs-xl);
  font-weight: var(--fw-extrabold);
  color: var(--color-secondary);
}

.project-stat .stat-text {
  font-size: var(--fs-xs);
  color: var(--color-text-light);
}

/* --- Portfolio Stats Banner --- */
.portfolio-stats {
  padding: var(--space-3xl) 0;
  background: linear-gradient(135deg, #1a1a2e 0%, #0f3460 100%);
}

.portfolio-stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-xl);
}

.portfolio-stat-item {
  text-align: center;
}

.portfolio-stat-value {
  font-family: var(--font-heading);
  font-size: var(--fs-4xl);
  font-weight: var(--fw-extrabold);
  color: var(--color-secondary);
  line-height: 1;
  margin-bottom: var(--space-sm);
}

.portfolio-stat-label {
  font-size: var(--fs-sm);
  color: rgba(255, 255, 255, 0.7);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* --- Video / Testimonial Section --- */
.portfolio-video {
  padding: var(--section-padding);
}

.video-showcase {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
}

.video-player {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: #000;
  box-shadow: var(--shadow-xl);
}

.video-player iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}

.video-player .video-thumb {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.video-player .video-thumb::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.35);
}

.video-player .video-play-btn {
  position: relative;
  z-index: 1;
  width: 72px;
  height: 72px;
  border-radius: var(--radius-full);
  background: var(--color-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--transition), box-shadow var(--transition);
}

.video-player .video-thumb:hover .video-play-btn {
  transform: scale(1.1);
  box-shadow: 0 0 30px rgba(240, 165, 0, 0.5);
}

.video-play-btn svg {
  width: 24px;
  height: 24px;
  fill: var(--color-white);
  margin-left: 4px;
}

.video-content h2 {
  font-size: var(--fs-3xl);
  margin-bottom: var(--space-md);
}

.video-content > p {
  margin-bottom: var(--space-xl);
  line-height: 1.8;
}

.video-testimonial {
  background: var(--color-bg-alt);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  border-left: 4px solid var(--color-secondary);
}

.video-testimonial blockquote {
  font-size: var(--fs-base);
  font-style: italic;
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: var(--space-md);
}

.video-testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.video-testimonial-author .author-avatar {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, #e2e8f0, #cbd5e1);
  overflow: hidden;
}

.video-testimonial-author .author-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.video-testimonial-author .author-info strong {
  display: block;
  font-family: var(--font-heading);
  font-size: var(--fs-sm);
  color: var(--color-primary);
}

.video-testimonial-author .author-info span {
  font-size: var(--fs-xs);
  color: var(--color-text-light);
}

/* --- Lightbox / Gallery Modal --- */
.portfolio-lightbox {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  background: rgba(0, 0, 0, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition);
  padding: var(--space-xl);
}

.portfolio-lightbox.active {
  opacity: 1;
  visibility: visible;
}

.lightbox-content {
  position: relative;
  max-width: 900px;
  width: 100%;
}

.lightbox-image {
  width: 100%;
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.lightbox-image img {
  width: 100%;
  height: auto;
  display: block;
}

.lightbox-close {
  position: absolute;
  top: -48px;
  right: 0;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.1);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition);
}

.lightbox-close:hover {
  background: rgba(255, 255, 255, 0.2);
}

.lightbox-close svg {
  width: 20px;
  height: 20px;
  fill: var(--color-white);
}

.lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.1);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition);
}

.lightbox-nav:hover {
  background: rgba(255, 255, 255, 0.25);
}

.lightbox-nav svg {
  width: 20px;
  height: 20px;
  fill: var(--color-white);
}

.lightbox-prev {
  left: -60px;
}

.lightbox-next {
  right: -60px;
}

.lightbox-caption {
  text-align: center;
  padding: var(--space-lg) 0;
}

.lightbox-caption h4 {
  color: var(--color-white);
  font-size: var(--fs-lg);
  margin-bottom: var(--space-xs);
}

.lightbox-caption p {
  color: rgba(255, 255, 255, 0.6);
  font-size: var(--fs-sm);
}

.lightbox-counter {
  font-size: var(--fs-xs);
  color: rgba(255, 255, 255, 0.4);
  margin-top: var(--space-sm);
}

/* --- Load More --- */
.portfolio-load-more {
  text-align: center;
  margin-top: var(--space-2xl);
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  .portfolio-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .featured-projects-grid {
    grid-template-columns: 1fr;
  }

  .featured-project-card {
    grid-template-columns: 1fr;
  }

  .featured-project-card:nth-child(even) {
    direction: ltr;
  }

  .video-showcase {
    grid-template-columns: 1fr;
  }

  .portfolio-stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .lightbox-prev {
    left: var(--space-md);
  }

  .lightbox-next {
    right: var(--space-md);
  }
}

@media (max-width: 768px) {
  .portfolio-grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin: 0 auto;
  }

  .portfolio-filter {
    justify-content: flex-start;
    overflow-x: auto;
    flex-wrap: nowrap;
    padding-bottom: var(--space-sm);
  }

  .portfolio-filter-btn {
    flex-shrink: 0;
  }

  .portfolio-stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
  }

  .featured-project-content {
    padding: var(--space-lg);
  }

  .project-stats {
    gap: var(--space-md);
  }

  .lightbox-content {
    margin: 0 var(--space-md);
  }

  .lightbox-close {
    top: -40px;
    right: 0;
  }

  .lightbox-prev,
  .lightbox-next {
    width: 36px;
    height: 36px;
  }

  /* Overlay always visible on mobile for touch */
  .portfolio-item-overlay {
    opacity: 1;
    background: linear-gradient(to top, rgba(26, 26, 46, 0.8) 0%, transparent 60%);
  }

  .portfolio-zoom {
    display: none;
  }
}