body {
    color: #e0f7ff;
    background: #0a0a1a;
    margin: 0px;
    font-family: "Chakra Petch", sans-serif;
    margin-bottom: 100px;
}

header {
    border-bottom: solid 2px #52b6f4;
    padding: 20px;
    font-size: 32px;
    color: #52b6f4;
    text-align: center;
}

.chamada {
    background: #1f2a44;
    padding: 80px 20px;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 30px;
}

.chamada-texto h1 {
    font-size: 40px;
    color: #90caf9;
}

.chamada-texto p {
    font-size: 20px;
    color: #b2ebf2;
}

.categoria {
    padding: 20px;
    margin-top: 50px;
}

.categoria h2 {
    color: #52b6f4;
    margin-bottom: 20px;
}

.categoria-videos {
    display: flex;
    overflow-x: auto;
    gap: 10px;
    padding-bottom: 10px;
}

.categoria-videos img {
    opacity: 0.6;
    height: 200px;
    border-radius: 5px;
    transition: all 0.3s ease;
}

.categoria-videos img:hover {
    opacity: 1.0;
    border: 3px solid #00e5ff;
    transform: scale(1.05);
}

/* Responsivo */
@media (max-width: 768px) {
    .chamada {
        flex-direction: column;
        text-align: center;
    }

    iframe {
        width: 100%;
        height: auto;
    }

    .categoria-videos img {
        height: 150px;
    }
}