.portfolio {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
}

.section {
    border: 2px solid rgba(187, 0, 53, 0.25);
    border-radius: 75px; 
    padding: 10px; 
}

.tech-card {
    position: relative;
    width: 150px;
    height: 150px;
    overflow: hidden;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s;
}

.tech-card:hover {
    transform: scale(1.05);
}

.tech-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.7);
    color: white;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: opacity 0.3s;
}

.tech-card:hover .overlay {
    opacity: 1;
}


.section {
    flex: 1 1 300px; 
}


.section-group {
    display: flex;
    gap: 30px; 
    margin-bottom: 35px;
}

.section-group h2 {
    color: lightgrey;
    font-family: 'Poppins', sans-serif;
    text-align: center;
    font-size: 22px;
    font-style: italic;
}

.container-xp {
    margin: 20px auto; 
    background: #101010;
    padding: 20px;
    border-radius: 8px;
    padding-left: 30px;
    padding-right: 30px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}