/* Portfolio Page Styles */

/* Page Header */
.portfolio-header {
    padding: 160px 0 40px;
    text-align: center;
    position: relative;
    z-index: 1;
}

.portfolio-header h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin: 16px 0;
}

.portfolio-header p {
    color: var(--text-secondary);
    font-size: 1.125rem;
    max-width: 600px;
    margin: 0 auto 40px;
}

/* Filter Buttons */
.portfolio-filters {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
    margin-top: 32px;
}

.filter-btn {
    padding: 12px 24px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 50px;
    color: var(--text-secondary);
    font-size: 0.9375rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

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

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

/* Portfolio Section */
.portfolio-section {
    padding: 60px 0 100px;
    position: relative;
    z-index: 1;
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.portfolio-card {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    transition: all 0.4s ease;
}

.portfolio-card:hover {
    transform: translateY(-8px);
    border-color: var(--accent-cyan);
    box-shadow: 0 20px 60px rgba(0, 255, 213, 0.15);
}

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

.portfolio-image {
    position: relative;
    height: 280px;
    overflow: hidden;
}

.portfolio-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

.portfolio-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(15, 15, 20, 0.95) 0%, rgba(15, 15, 20, 0.7) 50%, transparent 100%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 24px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

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

.portfolio-category {
    display: inline-block;
    padding: 4px 12px;
    background: var(--gradient-primary);
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    color: white;
    width: fit-content;
    margin-bottom: 12px;
}

.portfolio-overlay h3 {
    font-size: 1.375rem;
    margin-bottom: 8px;
    color: white;
}

.portfolio-overlay p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.875rem;
    line-height: 1.5;
    margin-bottom: 12px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

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

.portfolio-tech span {
    padding: 4px 10px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 4px;
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.9);
}

.portfolio-overlay .btn {
    width: fit-content;
}

/* CTA Section */
.cta-section {
    padding: 0 0 80px;
    position: relative;
    z-index: 1;
}

.cta-wrapper {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    padding: 60px;
    background: linear-gradient(135deg, #4F46E5 0%, #7C3AED 100%);
}

.cta-bg {
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.cta-content {
    position: relative;
    z-index: 1;
    text-align: center;
}

.cta-content h2 {
    font-size: 2.25rem;
    color: white;
    margin-bottom: 12px;
}

.cta-content p {
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 24px;
    font-size: 1.0625rem;
}

.cta-content .btn {
    background: white;
    color: #4F46E5;
}

.cta-content .btn:hover {
    background: var(--accent-cyan);
}

/* Responsive */
@media (max-width: 1200px) {
    .portfolio-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .portfolio-header {
        padding: 120px 0 30px;
    }
    
    .portfolio-header h1 {
        font-size: 2.5rem;
    }
    
    .portfolio-filters {
        gap: 8px;
    }
    
    .filter-btn {
        padding: 10px 18px;
        font-size: 0.875rem;
    }
    
    .portfolio-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .portfolio-image {
        height: 250px;
    }
    
    .cta-wrapper {
        padding: 40px 24px;
    }
    
    .cta-content h2 {
        font-size: 1.75rem;
    }
}