/* ==========================================
   PORTFOLIO PAGE STYLES
   ========================================== */

.portfolio-hero {
  padding: calc(var(--space-3xl) + 72px) 0 var(--space-2xl);
  background: url('../img/91692.jpg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  background-attachment: fixed;
  color: var(--color-white);
  text-align: center;
}

.portfolio-hero-content {
  max-width: 800px;
  margin: 0 auto;
}

.section-narrow {
  padding: var(--space-xl) 0 0;
}

.filter-container {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-bottom: var(--space-xl);
}

.filter-btn {
  padding: 12px 24px;
  border-radius: var(--radius-full);
  border: 2px solid rgba(15, 23, 42, 0.12);
  background: var(--bg-primary);
  color: var(--color-slate);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all var(--transition-base);
}

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

.filter-btn.active {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}

/* Portfolio Grid */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: var(--space-xl);
  margin-bottom: var(--space-2xl);
}

.portfolio-item {
  transition: opacity var(--transition-base), transform var(--transition-base);
}

.portfolio-item.hidden {
  display: none;
}

.portfolio-image {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4 / 3;
  background: var(--bg-alt);
}

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

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

.portfolio-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(11, 83, 148, 0.95) 0%,
    rgba(11, 83, 148, 0.8) 50%,
    transparent 100%
  );
  opacity: 0;
  transition: opacity var(--transition-slow);
  display: flex;
  align-items: flex-end;
  padding: var(--space-xl);
  color: var(--color-white);
}

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

.portfolio-overlay-content h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--space-xs);
  color: var(--color-white);
}

.portfolio-overlay-content p {
  margin-bottom: var(--space-md);
  opacity: 0.95;
}

.portfolio-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
}

.tag {
  padding: 4px 12px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(10px);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-white);
}

.portfolio-info {
  padding: var(--space-md) 0;
}

.portfolio-title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-ink);
  margin-bottom: 4px;
}

.portfolio-category {
  color: var(--color-muted);
  font-size: 0.95rem;
}

/* Portfolio Note */
.portfolio-note {
  background: linear-gradient(135deg, var(--bg-alt), var(--bg-secondary));
  border-radius: var(--radius-xl);
  padding: var(--space-3xl) var(--space-xl);
  text-align: center;
  max-width: 700px;
  margin: var(--space-3xl) auto 0;
}

.note-icon {
  width: 80px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-primary);
  border-radius: var(--radius-lg);
  margin: 0 auto var(--space-lg);
  color: var(--color-primary);
  box-shadow: var(--shadow-md);
}

.portfolio-note h3 {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-ink);
  margin-bottom: var(--space-sm);
}

.portfolio-note p {
  color: var(--color-slate);
  line-height: 1.7;
  margin-bottom: var(--space-lg);
}

/* Stats Grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-xl);
}

.stat-box {
  text-align: center;
  padding: var(--space-xl);
  background: var(--bg-primary);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-base);
}

.stat-box:hover {
  transform: translateY(-4px);
}

.stat-number {
  font-size: 3rem;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: var(--space-sm);
  font-family: var(--font-display);
}

.stat-label {
  color: var(--color-slate);
  font-weight: 500;
}

/* Testimonials */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-xl);
}

.testimonial-card {
  background: var(--bg-primary);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  box-shadow: var(--shadow-md);
  border: 2px solid rgba(15, 23, 42, 0.08);
  transition: all var(--transition-base);
}

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

.testimonial-rating {
  display: flex;
  gap: 4px;
  margin-bottom: var(--space-md);
  color: var(--color-accent);
}

.testimonial-text {
  color: var(--color-slate);
  line-height: 1.7;
  margin-bottom: var(--space-lg);
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px solid var(--bg-alt);
}

.author-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.25rem;
  flex-shrink: 0;
}

.author-name {
  font-weight: 600;
  color: var(--color-ink);
  margin-bottom: 2px;
}

.author-title {
  font-size: 0.875rem;
  color: var(--color-muted);
}

/* Placeholder Images */
.portfolio-image img[src*="placeholder"] {
  background: linear-gradient(135deg, var(--bg-alt), var(--bg-secondary));
  display: flex;
  align-items: center;
  justify-content: center;
}

.portfolio-image::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(11, 83, 148, 0.1),
    rgba(255, 138, 0, 0.1)
  );
  opacity: 0;
  transition: opacity var(--transition-base);
}

.portfolio-item:hover .portfolio-image::before {
  opacity: 1;
}

/* Responsive */
@media (max-width: 768px) {
  .portfolio-hero {
    padding: calc(var(--space-2xl) + 64px) 0 var(--space-2xl);
  }

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

  .filter-container {
    justify-content: flex-start;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }

  .filter-container::-webkit-scrollbar {
    display: none;
  }

  .filter-btn {
    white-space: nowrap;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
  }

  .testimonials-grid {
    grid-template-columns: 1fr;
  }

  .portfolio-note {
    padding: var(--space-xl);
  }
}

@media (max-width: 480px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }

  .stat-number {
    font-size: 2.5rem;
  }

  .portfolio-overlay {
    padding: var(--space-lg);
  }

  .portfolio-overlay-content h3 {
    font-size: 1.25rem;
  }
}