.tech-section {
    background: linear-gradient(135deg, #f5f7fa 0%, #e3e9f0 100%);
    padding: 60px 0;
}



.tech-container {
    display: flex;
    gap: 0;
    background: white;
    border-radius: 5px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.1);
    overflow: hidden;
    min-height: 550px;
}

.sidebar {
    flex: 0 0 30%;
    background: linear-gradient(180deg, #ffff 0%, #e4e4e4 100%);
    padding: 20px 0;
}

.category-item {
    color: #2c2c2c;
    padding: 20px 30px;
    margin: 0;
    cursor: pointer;
    transition: all 0.3s ease;
    border-left: 4px solid transparent;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 1.17rem;
    font-weight: 500;
}

.category-item:hover {
    background: rgba(236, 217, 251, 0.15);
    border-left-color: #fb8f47;
}

.category-item.active {
    background: rgba(255, 255, 255, 0.2);
    border-left-color: #fb8f47;
}

.category-item .arrow {
    font-size: 1.6rem;
    transition: transform 0.3s ease;
}

.category-item:hover .arrow {
    transform: translateX(2px);
}

.tech-content {
    flex: 1;
    padding: 30px 30px;
    background: #fafbfc;
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 15px;
}

.tech-card {
    background: white;
    border-radius: 12px;
    padding: 15px;
    display: flex;
    align-items: center;
    gap: 15px;
    transition: all 0.3s ease;
    cursor: pointer;
    border: 2px solid transparent;
    box-shadow: 0 2px 6px rgba(0,0,0,0.06);
}

.tech-card:hover {
    transform: translateY(-0px);
    box-shadow: 0 6px 15px rgba(0,0,0,0.12);
    border-color: #ffffff;
}

.tech-name {
    font-size:16px;
    font-weight: 600;
    color: #2d3748;
}

.tech-content-section {
    display: none;
}

.tech-content-section.active {
    display: block;
}


@media (max-width: 992px) {
    .tech-container {
        flex-direction: column;
    }
    .sidebar {
        flex: 0 0 auto;
    }
    .tech-grid {
        grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    }
}