.portfolio-section {
    min-height: 100vh;
    padding: 250px 2rem 4rem;
    background-color: var(--bg-color);
    color: var(--text-color);
}

.portfolio-content {
    max-width: 1200px;
    margin: 0 auto;
}

.portfolio-content h1 {
    font-size: 3rem;
    margin-bottom: 3rem;
    text-align: center;
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    padding: 2rem;
}

.portfolio-item {
    position: relative;
    overflow: hidden;
    border-radius: 10px;
    aspect-ratio: 16/9;
    background-color: var(--card-bg);
}

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

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: var(--transition);
    padding: 2rem;
    text-align: center;
}

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

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

.portfolio-overlay h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: chartreuse;
}

.portfolio-overlay p {
    margin-bottom: 1.5rem;
}

.portfolio-link {
    padding: 0.8rem 1.5rem;
    background-color: chartreuse;
    color: var(--primary-color);
    text-decoration: none;
    border-radius: 5px;
    transition: var(--transition);
}

.portfolio-link:hover {
    background-color: var(--secondary-color);
    transform: translateY(-3px);
}

@media (max-width: 768px) {
    .portfolio-section {
        padding-top: 200px;
    }
    
    .portfolio-content h1 {
        font-size: 2rem;
    }
}