.portfolio-main {
    padding: 100px 0 40px 0;
    background: #f8f8f8;
}
.portfolio-section {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}
.portfolio-section h1 {
    font-size: 2.2em;
    margin-bottom: 10px;
    color: #2c3e50;
}
.portfolio-section p {
    color: #555;
    margin-bottom: 30px;
}
.portfolio-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
}
.portfolio-item {
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.07);
    overflow: hidden;
    text-align: center;
    padding: 16px;
    transition: box-shadow 0.2s;
}
.portfolio-item:hover {
    box-shadow: 0 4px 16px rgba(44,62,80,0.12);
}
.portfolio-item img {
    width: 100%;
    height: 350px;
    object-fit: cover;
    border-radius: 6px;
    margin-bottom: 10px;
}
.portfolio-item span {
    display: block;
    color: #34495e;
    font-size: 1em;
    margin-top: 4px;
}