/* Portfolio Page Specific Styles */

/* Portfolio Hero Section */
.portfolio-hero {
    background: var(--gradient-dark);
    padding: 8rem 0 4rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.portfolio-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="hexagons" width="20" height="20" patternUnits="userSpaceOnUse"><polygon points="10,1 4,1 1,6 4,11 10,11 13,6" fill="none" stroke="%238B5CF6" stroke-width="0.5" opacity="0.3"/></pattern></defs><rect width="100" height="100" fill="url(%23hexagons)"/></svg>');
    opacity: 0.4;
}

.portfolio-hero-content {
    position: relative;
    z-index: 2;
    animation: fadeInUp 0.8s ease-out;
}

.portfolio-title {
    font-size: 4rem;
    font-weight: 700;
    color: var(--white-color);
    margin-bottom: 1rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.portfolio-subtitle {
    font-size: 1.5rem;
    color: var(--primary-color);
    font-weight: 500;
}

/* Portfolio Filter Section */
.portfolio-filter {
    padding: 3rem 0;
    background: var(--darker-color);
    border-bottom: 1px solid var(--border-color);
}

.filter-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.filter-btn {
    background: transparent;
    color: var(--gray-color);
    border: 2px solid var(--border-color);
    padding: 0.75rem 1.5rem;
    border-radius: 25px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.9rem;
}

.filter-btn:hover {
    color: var(--primary-color);
    border-color: var(--primary-color);
    background: rgba(139, 92, 246, 0.1);
}

.filter-btn.active {
    background: var(--gradient-primary);
    color: var(--white-color);
    border-color: var(--primary-color);
    box-shadow: 0 4px 15px rgba(139, 92, 246, 0.3);
}

/* Portfolio Grid Section */
.portfolio-grid {
    padding: 5rem 0;
    background: var(--dark-color);
}

.portfolio-items {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2.5rem;
    margin-top: 2rem;
}

.portfolio-item {
    background: var(--darker-color);
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    opacity: 1;
    transform: scale(1);
}

.portfolio-item:hover {
    transform: translateY(-10px) scale(1.02);
    border-color: var(--primary-color);
    box-shadow: 0 20px 40px rgba(139, 92, 246, 0.2);
}

.portfolio-item.hidden {
    opacity: 0;
    transform: scale(0.8);
    display: none;
}

/* Portfolio Image */
.portfolio-image {
    position: relative;
    height: 250px;
    background: var(--gradient-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.portfolio-placeholder {
    width: 100px;
    height: 100px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: var(--white-color);
    transition: all 0.3s ease;
}

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

/* Portfolio Overlay */
.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(139, 92, 246, 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-links {
    display: flex;
    gap: 1rem;
}

.portfolio-link {
    width: 50px;
    height: 50px;
    background: var(--white-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-size: 1.2rem;
    transition: all 0.3s ease;
}

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

/* Portfolio Content */
.portfolio-content {
    padding: 2rem;
}

.portfolio-content h3 {
    color: var(--white-color);
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.portfolio-content p {
    color: var(--gray-color);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

/* Portfolio Tags */
.portfolio-tags {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.tag {
    background: rgba(139, 92, 246, 0.1);
    color: var(--primary-color);
    padding: 0.25rem 0.75rem;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 500;
    border: 1px solid rgba(139, 92, 246, 0.2);
    transition: all 0.3s ease;
}

.tag:hover {
    background: var(--primary-color);
    color: var(--white-color);
    transform: translateY(-2px);
}

/* Call to Action Section */
.portfolio-cta {
    padding: 5rem 0;
    background: var(--gradient-dark);
    text-align: center;
}

.cta-content h2 {
    color: var(--white-color);
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.cta-content p {
    color: var(--gray-color);
    font-size: 1.1rem;
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Animation for portfolio items */
.portfolio-item {
    animation: fadeInUp 0.6s ease forwards;
    opacity: 0;
}

.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; }

/* Responsive Design */
@media (max-width: 768px) {
    .portfolio-hero {
        padding: 6rem 0 3rem;
    }
    
    .portfolio-title {
        font-size: 2.5rem;
    }
    
    .portfolio-subtitle {
        font-size: 1.25rem;
    }
    
    .filter-buttons {
        gap: 0.75rem;
    }
    
    .filter-btn {
        padding: 0.6rem 1.2rem;
        font-size: 0.85rem;
    }
    
    .portfolio-items {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .portfolio-image {
        height: 200px;
    }
    
    .cta-content h2 {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .portfolio-hero {
        padding: 5rem 0 2rem;
    }
    
    .portfolio-title {
        font-size: 2rem;
    }
    
    .portfolio-subtitle {
        font-size: 1.1rem;
    }
    
    .filter-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .filter-btn {
        width: 200px;
        text-align: center;
    }
    
    .portfolio-items {
        gap: 1.5rem;
    }
    
    .portfolio-content {
        padding: 1.5rem;
    }
    
    .portfolio-content h3 {
        font-size: 1.25rem;
    }
    
    .cta-content h2 {
        font-size: 1.75rem;
    }
    
    .cta-content p {
        font-size: 1rem;
    }
}

/* Filter animation */
.portfolio-item {
    transition: all 0.4s ease;
}

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

.portfolio-item.filtered-in {
    opacity: 1;
    transform: scale(1);
    pointer-events: all;
}

/* Hover effects for filter buttons */
.filter-btn {
    position: relative;
    overflow: hidden;
}

.filter-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(139, 92, 246, 0.1), transparent);
    transition: left 0.5s ease;
}

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