.portfolio {
    padding: 60px 20px;
    background-color: #f0f5f9;
}
.portfolio__container {
    max-width: 1200px;
    margin: 0 auto;
}
.section-title {
    margin-bottom: 30px;
}
.portfolio-filters {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    align-items: flex-end;
    justify-content: space-between;
    margin-bottom: 30px;
    background: #fff;
    padding: 20px;
    border-radius: 15px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}
.portfolio-filter {
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.portfolio-filter__select {
    padding: 10px 15px;
    min-width: 250px;
    border: 1px solid var(--color-text);
    border-radius: 8px;
    background: white;
    cursor: pointer;
}
.portfolio-filter__select:focus {
    outline: none;
    border-color: var(--color-blue);
    box-shadow: 0 0 0 2px rgba(52, 152, 219, 0.2);
}
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}
.portfolio-item {
    position: relative;
    overflow: hidden;
    border-radius: 15px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    cursor: pointer;
}
.portfolio-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}
.portfolio-item__image {
    width: 100%;
    height: 410px;
    object-fit: cover;
    transition: all 0.5s ease;
}
.portfolio-item:hover .portfolio-item__image {
    filter: brightness(1.1);
}
.portfolio-more {
    text-align: center;
    margin-top: 20px;
}
.btn {
    padding: 12px 24px;
    border-radius: 30px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 160px;
}
.btn--secondary {
    background-color: var(--color-blue);
    color: white;
    border: none;
}
.btn--secondary:hover {
    background-color: var(--color-accent);
}
.load-more {
    text-align: center;
    margin-top: 40px;
}
.load-more .btn {
    padding: 12px 32px;
    font-size: 16px;
}
@media (max-width: 1100px) {
    .portfolio-filters {
        padding: 16px;
    }
}
@media (max-width: 895px) {
    .portfolio-filters {
        align-items: flex-start;
        flex-direction: column;
    }
}
@media (max-width: 825px) {
    .portfolio-item__image {
        height: 350px;
    }
    .portfolio-filter__select {
        font-size: 14px;
    }
    .portfolio-grid {
        justify-items: center;
    }
}
@media (max-width: 500px) {
    .portfolio {
        padding: 40px 16px;
    }
    .portfolio-item__image {
        height: 300px;
    }
    .portfolio-filter__label {
        font-size: 16px;
    }
}