/* Portfolio Page Specific Styles */

/* Portfolio Hero */
.portfolio-hero {
  padding: 140px 0 80px;
  background: var(--white);
  text-align: center;
  position: relative;
  z-index: 1;
}

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

.portfolio-title {
  font-size: 56px;
  font-weight: 700;
  color: var(--dark-base);
  margin-bottom: 20px;
  background: linear-gradient(135deg, var(--dark-base) 0%, var(--primary-blue) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.portfolio-subtitle {
  font-size: 20px;
  color: var(--secondary-text);
  line-height: 1.7;
}

/* Filter Section */
.filter-section {
  padding: 40px 0;
  background: var(--light-bg);
  border-bottom: 1px solid var(--borders);
  position: sticky;
  top: 73px;
  z-index: 100;
  backdrop-filter: blur(10px);
  background: rgba(248, 250, 252, 0.95);
}

.filter-container {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 10px 24px;
  background: var(--white);
  color: var(--secondary-text);
  border: 2px solid var(--borders);
  border-radius: 8px;
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
  font-family: inherit;
}

.filter-btn:hover {
  border-color: var(--primary-blue);
  color: var(--primary-blue);
  transform: translateY(-2px);
}

.filter-btn.active {
  background: linear-gradient(90deg, var(--primary-blue) 0%, var(--hover-blue) 100%);
  color: var(--white);
  border-color: var(--primary-blue);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

/* Portfolio Section */
.portfolio-section {
  padding: 80px 0;
  background: var(--white);
  min-height: 60vh;
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
  gap: 40px;
  margin-bottom: 60px;
}

.portfolio-card {
  background: var(--white);
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--borders);
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.portfolio-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.15);
  border-color: var(--primary-blue);
}

.portfolio-image {
  width: 100%;
  height: 280px;
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, var(--primary-blue), var(--hover-blue));
}

.portfolio-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 72px;
  color: var(--white);
  opacity: 0.9;
  transition: transform 0.3s ease;
}

.portfolio-card:hover .portfolio-placeholder {
  transform: scale(1.1);
}

.portfolio-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(15, 23, 42, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s ease;
}

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

.portfolio-link {
  width: 64px;
  height: 64px;
  background: var(--white);
  color: var(--primary-blue);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  text-decoration: none;
  transition: all 0.3s ease;
  transform: scale(0.8);
}

.portfolio-card:hover .portfolio-link {
  transform: scale(1);
}

.portfolio-link:hover {
  background: var(--primary-blue);
  color: var(--white);
  transform: scale(1.1);
}

.portfolio-content {
  padding: 32px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.portfolio-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.portfolio-tag {
  padding: 6px 14px;
  background: rgba(37, 99, 235, 0.1);
  color: var(--primary-blue);
  border-radius: 6px;
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.portfolio-card-title {
  font-size: 24px;
  font-weight: 600;
  color: var(--dark-base);
  margin-bottom: 12px;
  line-height: 1.3;
}

.portfolio-card-description {
  font-size: 16px;
  color: var(--secondary-text);
  line-height: 1.7;
  margin-bottom: 24px;
  flex: 1;
}

.portfolio-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 20px;
  border-top: 1px solid var(--borders);
}

.portfolio-date {
  font-size: 14px;
  color: var(--muted-text);
  font-weight: 500;
}

.portfolio-view-link {
  font-size: 15px;
  font-weight: 600;
  color: var(--primary-blue);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: all 0.3s ease;
}

.portfolio-view-link:hover {
  color: var(--hover-blue);
  gap: 12px;
}

.portfolio-view-link i {
  font-size: 14px;
  transition: transform 0.3s ease;
}

.portfolio-view-link:hover i {
  transform: translateX(4px);
}

/* Empty State */
.portfolio-empty {
  text-align: center;
  padding: 80px 20px;
  color: var(--secondary-text);
}

.portfolio-empty i {
  font-size: 64px;
  color: var(--borders);
  margin-bottom: 24px;
}

.portfolio-empty h3 {
  font-size: 24px;
  font-weight: 600;
  color: var(--dark-base);
  margin-bottom: 12px;
}

.portfolio-empty p {
  font-size: 16px;
  color: var(--muted-text);
}

/* Fade In Animation */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Responsive */
@media (max-width: 1024px) {
  .portfolio-grid {
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 32px;
  }
}

@media (max-width: 768px) {
  .portfolio-hero {
    padding: 120px 0 60px;
  }

  .portfolio-title {
    font-size: 42px;
  }

  .portfolio-subtitle {
    font-size: 18px;
  }

  .filter-section {
    top: 70px;
    padding: 30px 0;
  }

  .filter-container {
    gap: 8px;
  }

  .filter-btn {
    padding: 8px 16px;
    font-size: 14px;
  }

  .portfolio-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .portfolio-section {
    padding: 60px 0;
  }

  .portfolio-image {
    height: 240px;
  }

  .portfolio-placeholder {
    font-size: 56px;
  }
}

@media (max-width: 480px) {
  .portfolio-title {
    font-size: 32px;
  }

  .portfolio-content {
    padding: 24px;
  }

  .portfolio-card-title {
    font-size: 20px;
  }

  .portfolio-meta {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .portfolio-image {
    height: 200px;
  }

  .portfolio-placeholder {
    font-size: 48px;
  }
}