/* Portfolio Specific Styles */

.nav__link--active {
    color: var(--color-primary);
}

.portfolio-header {
    padding: var(--spacing-20) 0 var(--spacing-16) 0;
    text-align: center;
    background: linear-gradient(135deg, var(--color-cream) 0%, var(--color-sage-light) 100%);
}

.portfolio-header__title {
    font-family: var(--font-family-primary);
    font-size: var(--font-size-4xl);
    font-weight: 600;
    margin-bottom: var(--spacing-4);
    color: var(--color-primary);
}

.portfolio-header__subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-secondary);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

/* Portfolio Filters */
.portfolio-filters {
    padding: var(--spacing-8) 0;
    background-color: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
}

.filter-buttons {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--spacing-3);
}

.filter-btn {
    background: transparent;
    border: 1px solid var(--color-border);
    color: var(--color-secondary);
    padding: var(--spacing-2) var(--spacing-4);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-sm);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    font-family: var(--font-family);
}

.filter-btn:hover {
    background-color: var(--color-sage);
    color: white;
    border-color: var(--color-sage);
}

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

/* Portfolio Grid */
.portfolio-grid {
    padding: var(--spacing-16) 0;
    background-color: var(--color-background);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--spacing-8);
}

@media (max-width: 768px) {
    .projects-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-6);
    }
}

.portfolio-item {
    background: white;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    transition: all var(--transition-normal);
    cursor: pointer;
    opacity: 1;
    transform: scale(1);
}

.portfolio-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

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

.portfolio-item__image {
    position: relative;
    width: 100%;
    height: 250px;
    overflow: hidden;
}

.portfolio-item__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-normal);
}

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

.portfolio-item__content {
    padding: var(--spacing-6);
}

.portfolio-item__title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-3);
    color: var(--color-primary);
}

.portfolio-item__description {
    color: var(--color-secondary);
    font-size: var(--font-size-sm);
    line-height: 1.6;
    margin-bottom: var(--spacing-4);
}

.portfolio-item__tag {
    display: inline-block;
    background-color: var(--color-surface);
    color: var(--color-secondary);
    padding: var(--spacing-1) var(--spacing-3);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
    font-weight: 500;
}

/* Animation for filtering */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes fadeOut {
    from {
        opacity: 1;
        transform: scale(1);
    }
    to {
        opacity: 0;
        transform: scale(0.8);
    }
}

.portfolio-item.animate-in {
    animation: fadeIn 0.5s ease-out forwards;
}

.portfolio-item.animate-out {
    animation: fadeOut 0.3s ease-in forwards;
}