.tech-stack {
    background-color: var(--light-bg-alt);
    position: relative;
}

.dark-mode .tech-stack {
    background-color: var(--dark-bg-alt);
}

.tech-category {
    margin-bottom: 40px;
}

.tech-category:last-child {
    margin-bottom: 0;
}

.tech-category h3 {
    font-size: 28px;
    margin-bottom: 20px;
    color: var(--primary-color);
    padding-left: 15px;
    border-left: 3px solid var(--primary-color);
}

.tech-list {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-bottom: 30px;
}

.tech-item {
    background-color: var(--light-bg);
    padding: 15px 25px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 500;
    transition: var(--transition);
}

.dark-mode .tech-item {
    background-color: var(--dark-bg-alt);
    box-shadow: var(--shadow-dark);
}

.tech-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.dark-mode .tech-item:hover {
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
}

.tech-item svg {
    color: var(--primary-color);
}

.tech-description {
    margin-top: 50px;
    margin-bottom: 30px;
}

.tech-description h3 {
    font-size: 30px;
    margin-bottom: 25px;
    color: var(--primary-color);
}

.tech-description p {
    font-size: 17px;
    line-height: 1.7;
    margin-bottom: 20px;
}

.tech-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
    margin-top: 40px;
}

.tech-feature {
    background-color: var(--light-bg);
    border-radius: var(--border-radius);
    padding: 25px;
    box-shadow: var(--shadow-light);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.dark-mode .tech-feature {
    background-color: var(--dark-bg-alt);
    box-shadow: var(--shadow-dark);
}

.tech-feature-icon {
    width: 60px;
    height: 60px;
    background-color: var(--primary-light);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    margin-bottom: 20px;
    color: var(--primary-color);
}

.tech-feature h4 {
    font-size: 22px;
    margin-bottom: 15px;
}

.tech-feature p {
    font-size: 16px;
    line-height: 1.6;
}