body {
    margin: 0;
    font-family: Arial, sans-serif;
    color: #fff;
    text-align: center;

    background: url("img/bg.jpg") no-repeat center center fixed;
    background-size: cover;
}

/* CAMADA ESCURA AZUL */
body::before {
    content: "";
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;

    background: rgba(0, 10, 30, 0.7);
    z-index: -1;
}

/* TITULO */
.titulo {
    position: relative;
    font-size: clamp(35px, 6vw, 70px);
    font-weight: 900;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: #00aaff;

    text-shadow:
        0 0 5px #00aaff,
        0 0 10px #00aaff,
        0 0 20px #00aaff,
        0 0 40px #0088cc;

    overflow: hidden;
}

/* ANIMAÇÃO NEON AZUL */
@keyframes neon {
    from {
        text-shadow: 
            0 0 5px #00aaff,
            0 0 10px #00aaff;
    }
    to {
        text-shadow: 
            0 0 20px #00aaff,
            0 0 40px #00aaff,
            0 0 60px #00aaff;
    }
}

/* GALERIA */
.galeria {
    max-width: 900px;
    margin: auto;
}

/* IMAGEM PRINCIPAL */
.principal img {
    width: 100%;
    border: 2px solid #00aaff;
    box-shadow: 0 0 20px #00aaff;
    cursor: pointer;
    border-radius: 10px;
}

/* MINIATURAS */
.miniaturas {
    display: flex;
    gap: 10px;
    margin-top: 10px;
    justify-content: center;
    flex-wrap: wrap;
}

.miniaturas img {
    width: 100px;
    cursor: pointer;
    border: 2px solid transparent;
    border-radius: 6px;
    transition: 0.3s;
}

/* HOVER MINIATURAS */
.miniaturas img:hover {
    border: 2px solid #00aaff;
    box-shadow: 0 0 12px #00aaff;
    transform: scale(1.05);
}
@keyframes brilhoLogo {
    from {
        text-shadow:
            0 0 5px #00aaff,
            0 0 10px #00aaff,
            0 0 20px #00aaff;
    }
    to {
        text-shadow:
            0 0 20px #00aaff,
            0 0 40px #0088cc,
            0 0 80px #0066aa;
    }
}
.titulo {
    -webkit-text-stroke: 1px #66ccff; /* contorno leve */
}
.titulo::after {
    content: "";
    position: absolute;
    top: 0;
    left: -100%;
    width: 50%;
    height: 100%;

    background: linear-gradient(
        120deg,
        transparent,
        rgba(255,255,255,0.8),
        transparent
    );

    transform: skewX(-25deg);
    animation: luzPassando 3s infinite;
}

@keyframes luzPassando {
    0% {
        left: -100%;
    }
    100% {
        left: 150%;
    }
}

.controles{
margin-top:15px;
}

.controles button{
background:#00aaff;
border:none;
color:#fff;
font-size:20px;
padding:10px 15px;
margin:5px;
cursor:pointer;
border-radius:8px;
transition:0.3s;
box-shadow:0 0 10px #00aaff;
}

.controles button:hover{
background:#0088cc;
transform:scale(1.1);
}