/* Portfolio Section Styles - MazenWare
   Branding: Blue #004AAD, Orange #FF914D, White #FFF, Light Grey #F0F0F0
   Font: Glacial Indifference
*/

/* Portfolio Section */
.portfolio {
  padding: 80px 0;
  background: var(--white);
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.portfolio__container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* Header */
.portfolio__header {
  text-align: center;
  margin-bottom: 3rem;
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s ease;
}

.portfolio__header.animate {
  opacity: 1;
  transform: translateY(0);
}

.portfolio__title {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--blue);
  margin-bottom: 1rem;
  line-height: 1.2;
}

.portfolio__subtitle {
  font-size: 1.25rem;
  color: #666;
  max-width: 700px;
  margin: 0 auto;
  line-height: 1.6;
}

/* Filter Buttons */
.portfolio__filters {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s ease 0.2s;
}

.portfolio__filters.animate {
  opacity: 1;
  transform: translateY(0);
}

.filter-btn {
  background: var(--white);
  color: var(--blue);
  border: 2px solid var(--blue);
  border-radius: 25px;
  padding: 0.75rem 1.5rem;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.filter-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(0, 74, 173, 0.1), transparent);
  transition: left 0.5s ease;
}

.filter-btn:hover::before {
  left: 100%;
}

.filter-btn:hover {
  background: var(--blue);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 74, 173, 0.3);
}

.filter-btn.active {
  background: var(--blue);
  color: var(--white);
  box-shadow: 0 4px 15px rgba(0, 74, 173, 0.2);
}

/* Portfolio Grid */
.portfolio__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
  margin-bottom: 4rem;
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s ease 0.4s;
}

.portfolio__grid.animate {
  opacity: 1;
  transform: translateY(0);
}

/* Portfolio Items */
.portfolio__item {
  background: var(--white);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  position: relative;
  opacity: 0;
  transform: translateY(30px);
}

.portfolio__item.animate {
  opacity: 1;
  transform: translateY(0);
}

.portfolio__item:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: 0 20px 60px rgba(0, 74, 173, 0.15);
}

.portfolio__item.hidden {
  display: none !important;
  visibility: hidden;
  opacity: 0;
}

.portfolio__item:not(.hidden) {
  display: block !important;
}

/* Portfolio Image */
.portfolio__image {
  position: relative;
  height: 220px;
  background: #f0f0f0;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.portfolio__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.portfolio__item:hover .portfolio__image img {
  transform: scale(1.1);
}

.portfolio__placeholder {
  width: 80px;
  height: 80px;
  color: var(--white);
  opacity: 0.8;
}

.portfolio__placeholder svg {
  width: 100%;
  height: 100%;
}

.portfolio__overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 74, 173, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: all 0.3s ease;
}

.portfolio__item:hover .portfolio__overlay {
  opacity: 1;
}

.portfolio__btn {
  background: var(--white);
  color: var(--blue);
  border: none;
  border-radius: 12px;
  padding: 0.875rem 1.5rem;
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: all 0.3s ease;
  transform: translateY(20px);
}

.portfolio__item:hover .portfolio__btn {
  transform: translateY(0);
}

.portfolio__btn:hover {
  background: var(--orange);
  color: var(--white);
  transform: translateY(-2px) scale(1.05);
}

.portfolio__btn svg {
  width: 18px;
  height: 18px;
}

/* Portfolio Content */
.portfolio__content {
  padding: 1.5rem;
}

.portfolio__name {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--blue);
  margin-bottom: 0.75rem;
  line-height: 1.3;
}

.portfolio__description {
  color: #666;
  line-height: 1.6;
  margin-bottom: 1rem;
  font-size: 0.95rem;
}

.portfolio__tags {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.tag {
  background: rgba(0, 74, 173, 0.1);
  color: var(--blue);
  border: 1px solid rgba(0, 74, 173, 0.2);
  border-radius: 20px;
  padding: 0.25rem 0.75rem;
  font-size: 0.8rem;
  font-weight: 600;
  transition: all 0.3s ease;
}

.tag:hover {
  background: var(--blue);
  color: var(--white);
  transform: translateY(-1px);
}

/* Portfolio CTA */
.portfolio__cta {
  text-align: center;
  background: linear-gradient(135deg, var(--blue) 0%, var(--orange) 100%);
  border-radius: 20px;
  padding: 3rem 2rem;
  color: var(--white);
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s ease 0.6s;
}

.portfolio__cta.animate {
  opacity: 1;
  transform: translateY(0);
}

.portfolio__cta h3 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.portfolio__cta p {
  font-size: 1.1rem;
  margin-bottom: 2rem;
  opacity: 0.95;
}

.portfolio__cta .cta-btn {
  background: var(--white);
  color: var(--blue);
  border: none;
  border-radius: 32px;
  padding: 1rem 2.5rem;
  font-weight: 700;
  font-size: 1.1rem;
  text-decoration: none;
  display: inline-block;
  transition: all 0.3s ease;
  box-shadow: 0 4px 20px rgba(255, 255, 255, 0.3);
}

.portfolio__cta .cta-btn:hover {
  background: rgba(255, 255, 255, 0.9);
  transform: translateY(-3px) scale(1.05);
  box-shadow: 0 8px 30px rgba(255, 255, 255, 0.4);
}

/* Animation Delays */
.portfolio__item:nth-child(1) { transition-delay: 0.1s; }
.portfolio__item:nth-child(2) { transition-delay: 0.2s; }
.portfolio__item:nth-child(3) { transition-delay: 0.3s; }
.portfolio__item:nth-child(4) { transition-delay: 0.4s; }
.portfolio__item:nth-child(5) { transition-delay: 0.5s; }
.portfolio__item:nth-child(6) { transition-delay: 0.6s; }

/* Responsive Design */
@media (max-width: 768px) {
  .portfolio {
    padding: 60px 0;
  }
  
  .portfolio__container {
    padding: 0 1rem;
  }
  
  .portfolio__title {
    font-size: 2rem;
  }
  
  .portfolio__subtitle {
    font-size: 1.1rem;
  }
  
  .portfolio__filters {
    gap: 0.75rem;
    margin-bottom: 2rem;
  }
  
  .filter-btn {
    padding: 0.625rem 1.25rem;
    font-size: 0.9rem;
  }
  
  .portfolio__grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
    margin-bottom: 3rem;
  }
  
  .portfolio__image {
    height: 180px;
  }
  
  .portfolio__placeholder {
    width: 60px;
    height: 60px;
  }
  
  .portfolio__content {
    padding: 1.25rem;
  }
  
  .portfolio__name {
    font-size: 1.2rem;
  }
  
  .portfolio__cta {
    padding: 2rem 1.5rem;
  }
  
  .portfolio__cta h3 {
    font-size: 1.6rem;
  }
  
  .portfolio__cta p {
    font-size: 1rem;
  }
}

@media (max-width: 480px) {
  .portfolio__filters {
    flex-direction: column;
    align-items: center;
  }
  
  .filter-btn {
    width: 200px;
    text-align: center;
  }
  
  .portfolio__grid {
    grid-template-columns: 1fr;
  }
  
  .portfolio__item {
    margin: 0 0.5rem;
  }
  
  .portfolio__cta {
    padding: 1.5rem 1rem;
  }
  
  .portfolio__cta .cta-btn {
    padding: 0.875rem 2rem;
    font-size: 1rem;
  }
}

/* Filter Animation */
.portfolio__item.filtering {
  opacity: 0;
  transform: scale(0.8);
  transition: all 0.3s ease;
}

.portfolio__item.filtering.show {
  opacity: 1;
  transform: scale(1);
}

/* Loading State */
.portfolio__item.loading {
  position: relative;
  overflow: hidden;
}

.portfolio__item.loading::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
  animation: loading 1.5s infinite;
}

@keyframes loading {
  0% { left: -100%; }
  100% { left: 100%; }
}

/* Focus styles for accessibility */
.filter-btn:focus,
.portfolio__btn:focus {
  outline: 3px solid var(--orange);
  outline-offset: 2px;
}

.portfolio__item:focus-within {
  outline: 3px solid var(--orange);
  outline-offset: 3px;
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
  .portfolio__item,
  .portfolio__overlay,
  .portfolio__btn,
  .filter-btn {
    transition: none;
  }
  
  .portfolio__item:hover {
    transform: none;
  }
  
  .portfolio__item:hover .portfolio__btn {
    transform: none;
  }
}