* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Arial, sans-serif;
    background: linear-gradient(135deg, #ffd6ec, #d6f0ff);
    color: #333;
    text-align: center;
    padding: 20px;
}

/* HEADER */
header h1 {
    color: #ff4fa3;
    margin-bottom: 20px;
}

/* TEXTO */
.intro {
    max-width: 600px;
    margin: 0 auto 30px auto;
    background: rgba(255,255,255,0.9);
    padding: 20px;
    border-radius: 15px;
    line-height: 1.5;
}

/* GALERÍA */
.galeria {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.item {
    background: white;
    padding: 15px;
    border-radius: 15px;
    max-width: 250px;
}

.item img {
    width: 100%;
    height: auto;
    border-radius: 10px;
    margin-bottom: 10px;
}

.item p {
    font-size: 0.95em;
}

/* BOTÓN VOLVER */
.volver {
    margin-top: 30px;
}

.volver a {
    text-decoration: none;
    color: #4fc3ff;
    font-weight: bold;
}

/* 📱 MÓVIL */
@media (max-width: 600px) {

    .galeria {
        flex-direction: column;
        align-items: center;
    }

    .item {
        width: 90%;
    }
}

.boton-musica {
    position: fixed;
    bottom: 20px;
    left: 20px;
    background: #4fc3ff;
    color: white;
    font-size: 22px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    box-shadow: 0 4px 10px rgba(0,0,0,0.2);
    z-index: 1000;
}

.boton-musica:active {
    transform: scale(0.9);
}

@media (max-width: 600px) {
    .boton-musica {
        width: 45px;
        height: 45px;
        font-size: 20px;
        bottom: 15px;
        left: 15px;
    }
}