/* Стили для портфолио */
.portfolio {
    padding: 140px 0;
    background: #f8f6f2;
    position: relative;
}

.portfolio::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100px;
    background: linear-gradient(to bottom, var(--primary), transparent);
    opacity: 0.05;
}

.portfolio-filters {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 60px;
}

.filter-btn {
    padding: 12px 28px;
    background: white;
    border: 1px solid #e0e0e0;
    border-radius: 0;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 14px;
}

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

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 30px;
}

@media (max-width: 425px) {
    .portfolio-grid {
        display: grid;
        grid-template-columns: repeat(auto-fill, minmax(100%, 1fr));
        gap: 30px;
    }
}


.portfolio-item {
    position: relative;
    border-radius: 5px;
    overflow: hidden;
    height: 400px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    cursor: pointer;
}

.portfolio-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.2);
}

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

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(10, 26, 47, 0.9) 0%, transparent 70%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    align-items: flex-start;
    padding: 40px;
    color: white;
    opacity: 0;
    transition: all 0.3s ease;
}

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

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

.portfolio-overlay h3 {
    color: white;
    margin-bottom: 10px;
    font-size: 1.8rem;
    transform: translateY(20px);
    transition: all 0.3s ease;
    opacity: 0;
}

.portfolio-overlay p {
    transform: translateY(20px);
    transition: all 0.3s ease 0.1s;
    opacity: 0;
}

.portfolio-item:hover .portfolio-overlay h3,
.portfolio-item:hover .portfolio-overlay p {
    transform: translateY(0);
    opacity: 1;
}

/* Стили для модального окна */
.gallery-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.gallery-modal.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    max-width: 90%;
    max-height: 90%;
    position: relative;
}

.modal-content img {
    max-width: 100%;
    max-height: 80vh;
    border-radius: 5px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.modal-close {
    position: absolute;
    top: 20px;
    right: 20px;
    color: white;
    font-size: 30px;
    cursor: pointer;
    background: rgba(0, 0, 0, 0.5);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.modal-close:hover {
    background: var(--secondary);
    transform: rotate(90deg);
}

.modal-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 100%;
    display: flex;
    justify-content: space-between;
    padding: 0 20px;
}

.modal-nav-btn {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 24px;
    border: none;
}

.modal-nav-btn:hover {
    background: var(--secondary);
}