/* Modernes Masonry Grid Layout für Portfolio */

/* Portfolio Filter Buttons - Modern Design */
.portfolio-filters {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 1rem 2rem;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.8);
    border-radius: 15px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 600;
    font-size: 0.95rem;
    position: relative;
    overflow: hidden;
}

.filter-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, #f03a70, #ff6b9d);
    transition: left 0.3s ease;
    z-index: -1;
}

.filter-btn:hover::before,
.filter-btn.active::before {
    left: 0;
}

.filter-btn:hover,
.filter-btn.active {
    color: white;
    border-color: var(--primary-pink);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(240, 58, 112, 0.3);
}

/* Masonry Grid Container */
.portfolio-masonry-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: repeat(3, 1fr);
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
    min-height: 800px;
}

/* Portfolio Items */
.portfolio-item {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.4s ease;
    cursor: pointer;
    aspect-ratio: 1.2;
    display: flex;
    flex-direction: column;
}

.portfolio-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    border-color: rgba(240, 58, 112, 0.3);
}

/* Different sizes for variety */
.portfolio-item.large {
    margin-bottom: 3rem;
}

.portfolio-item.medium {
    margin-bottom: 2.5rem;
}

/* Portfolio Image */
.portfolio-image {
    position: relative;
    overflow: hidden;
    flex: 1;
}

.portfolio-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.4s ease;
}

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

/* Portfolio Overlay */
.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(8px);
    opacity: 0;
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    display: flex;
    align-items: flex-end;
    padding: 2rem;
}

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

/* Portfolio Content */
.portfolio-content {
    width: 100%;
    transform: translateY(20px);
    transition: transform 0.4s ease;
}

.portfolio-item:hover .portfolio-content {
    transform: translateY(0);
}

.portfolio-content h3 {
    color: white;
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    line-height: 1.2;
}

.portfolio-content p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

/* Portfolio Tags */
.portfolio-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.portfolio-tags span {
    background: rgba(255, 255, 255, 0.15);
    color: rgba(255, 255, 255, 0.9);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.portfolio-tags span:hover {
    background: rgba(240, 58, 112, 0.3);
    border-color: rgba(240, 58, 112, 0.5);
    color: white;
    transform: translateY(-2px);
}

/* Portfolio Button */
.portfolio-visit-btn {
    background: linear-gradient(45deg, var(--primary-pink), var(--primary-pink-light));
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 700;
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    border: 2px solid rgba(255, 255, 255, 0.2);
    cursor: pointer;
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
}

.portfolio-visit-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

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

.portfolio-visit-btn:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 15px 35px rgba(240, 58, 112, 0.4);
    border-color: rgba(255, 255, 255, 0.4);
    color: white;
    text-decoration: none;
}

.portfolio-visit-btn i {
    transition: transform 0.3s ease;
}

.portfolio-visit-btn:hover i {
    transform: translateX(3px) rotate(15deg);
    color: white;
    text-decoration: none;
}

.portfolio-btn i {
    font-size: 0.8rem;
    transition: transform 0.3s ease;
}

.portfolio-btn:hover i {
    transform: translateX(3px);
}

/* Filter Animation */
.portfolio-item {
    animation: fadeInUp 0.6s ease forwards;
    opacity: 0;
    transform: translateY(30px);
}

.portfolio-item.show {
    opacity: 1;
    transform: translateY(0);
}

.portfolio-item.hide {
    opacity: 0;
    transform: scale(0.8);
    pointer-events: none;
}

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive Design */
@media (max-width: 1024px) {
    .portfolio-masonry-grid {
        grid-template-columns: repeat(2, 1fr);
        grid-template-rows: repeat(3, 1fr);
        gap: 1.5rem;
    }
    
    .portfolio-filters {
        gap: 0.75rem;
        margin-bottom: 2rem;
    }
    
    .filter-btn {
        padding: 0.6rem 1.2rem;
        font-size: 0.85rem;
    }
}

@media (max-width: 768px) {
    .portfolio-masonry-grid {
        display: flex;
        flex-direction: column;
        gap: 1.5rem;
        padding: 0 1rem;
    }
    
    .portfolio-item {
        margin-bottom: 1.5rem;
    }
    
    .portfolio-filters {
        flex-direction: column;
        align-items: center;
        gap: 0.5rem;
        padding: 0 1rem;
    }
    
    .filter-btn {
        padding: 0.5rem 1rem;
        font-size: 0.8rem;
        min-width: 120px;
        text-align: center;
    }
    
    .portfolio-content h3 {
        font-size: 1.1rem;
    }
    
    .portfolio-content p {
        font-size: 0.85rem;
    }
    
    .portfolio-overlay {
        padding: 1rem;
    }
}

@media (max-width: 480px) {
    .portfolio-filters {
        padding: 0 1rem;
    }
    
    .filter-btn {
        width: 100%;
        max-width: 200px;
    }
    
    .portfolio-tags {
        gap: 0.25rem;
    }
    
    .portfolio-tags span {
        font-size: 0.7rem;
        padding: 0.2rem 0.6rem;
    }
    
    .portfolio-btn {
        padding: 0.6rem 1.2rem;
        font-size: 0.85rem;
    }
}

/* Staggered animation delays */
.portfolio-item:nth-child(1) { animation-delay: 0.1s; }
.portfolio-item:nth-child(2) { animation-delay: 0.2s; }
.portfolio-item:nth-child(3) { animation-delay: 0.3s; }
.portfolio-item:nth-child(4) { animation-delay: 0.4s; }
.portfolio-item:nth-child(5) { animation-delay: 0.5s; }
.portfolio-item:nth-child(6) { animation-delay: 0.6s; }
.portfolio-item:nth-child(7) { animation-delay: 0.7s; }
.portfolio-item:nth-child(8) { animation-delay: 0.8s; }
.portfolio-item:nth-child(9) { animation-delay: 0.9s; }
.portfolio-item:nth-child(10) { animation-delay: 1.0s; }
.portfolio-item:nth-child(11) { animation-delay: 1.1s; }
.portfolio-item:nth-child(12) { animation-delay: 1.2s; }

/* View All Button - Using existing website button style */
.portfolio-view-all {
    text-align: center;
    margin-top: 3rem;
}

.view-all-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1.5rem;
    background: linear-gradient(45deg, var(--primary-gradient-start), var(--primary-gradient-end));
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(240, 58, 112, 0.4);
    border: none;
    cursor: pointer;
}

.view-all-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(240, 58, 112, 0.6);
    color: white;
    text-decoration: none;
}

.view-all-btn i {
    transition: transform 0.3s ease;
}

.view-all-btn:hover i {
    transform: translateX(5px);
}

/* Filter Navigation */
.portfolio-filter {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 0.6rem 1.2rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 30px;
  color: rgba(255, 255, 255, 0.7);
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
  backdrop-filter: blur(10px);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.filter-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  color: white;
  transform: translateY(-2px);
}

.filter-btn.active {
  background: linear-gradient(45deg, var(--logo-gradient-start), var(--logo-gradient-end));
  color: white;
  border-color: transparent;
  box-shadow: 0 5px 15px rgba(240, 58, 112, 0.3);
}

/* Masonry Grid Layout */
.portfolio-masonry {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-gap: 1.5rem;
  margin: 0 auto;
  max-width: 1200px;
  width: 100%;
  padding: 0 15px;
}

/* Responsive Anpassungen */
@media (max-width: 992px) {
  .portfolio-masonry {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 576px) {
  .portfolio-masonry {
    grid-template-columns: 1fr;
  }
  
  .portfolio-item.large,
  .portfolio-item.medium {
    grid-column: span 1;
  }
}

/* Portfolio Items mit unterschiedlichen Größen */
.portfolio-item {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275), opacity 0.5s ease;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.05);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
  height: 300px; /* Feste Höhe für alle Items */
  opacity: 1;
}

.portfolio-item:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3), 0 0 20px rgba(240, 58, 112, 0.2);
}

/* Verschiedene Größen für Portfolio-Items */
.portfolio-item.large {
  grid-column: span 2;
  height: 400px;
}

.portfolio-item.medium {
  grid-column: span 2;
  height: 300px;
}

.portfolio-item.small {
  grid-column: span 1;
  height: 300px;
}

/* Portfolio Bilder */
.portfolio-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top; /* Zeigt den oberen Teil des Bildes */
  transition: all 0.5s ease;
  display: block;
}

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

/* Portfolio Overlay */
.portfolio-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  padding: 1.5rem;
  background: linear-gradient(to top, 
    rgba(0, 0, 0, 0.9) 0%, 
    rgba(0, 0, 0, 0.7) 50%, 
    rgba(0, 0, 0, 0) 100%);
  transform: translateY(20%);
  opacity: 0;
  transition: all 0.4s ease;
}

.portfolio-item:hover .portfolio-overlay {
  transform: translateY(0);
  opacity: 1;
}

/* Portfolio Titel und Kategorie */
.portfolio-title {
  color: white;
  font-size: 1.4rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.portfolio-category {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9rem;
  margin-bottom: 0.75rem;
}

/* Technologie-Tags */
.portfolio-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.75rem;
}

.portfolio-tag {
  padding: 0.3rem 0.6rem;
  background: rgba(240, 58, 112, 0.2);
  border-radius: 4px;
  font-size: 0.7rem;
  color: rgba(255, 255, 255, 0.9);
}

/* Details Button */
.portfolio-details-btn {
  display: inline-flex;
  align-items: center;
  margin-top: 1rem;
  padding: 0.4rem 0.8rem;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 4px;
  color: white;
  font-size: 0.8rem;
  transition: all 0.3s ease;
}

.portfolio-details-btn i {
  margin-left: 0.3rem;
  font-size: 0.7rem;
}

.portfolio-details-btn:hover {
  background: rgba(240, 58, 112, 0.7);
}

/* Responsive Anpassungen */
@media (max-width: 992px) {
  .portfolio-item.large,
  .portfolio-item.medium {
    grid-column: span 1;
  }
  
  .portfolio-masonry {
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  }
}

@media (max-width: 576px) {
  .portfolio-masonry {
    grid-template-columns: 1fr;
  }
  
  .filter-btn {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
  }
}