*{
    margin:0;
    padding:0;
    box-sizing:border-box;
    font-family:'Poppins',sans-serif;
}

body{
    background:#F3F4F6;
    color:#374151;
}

/* HEADER */

header{
    background:#1E3A8A;
    color:white;
    display:flex;
    justify-content:space-between;
    align-items:center;
    padding:20px 10%;
}

header h1{
    font-size:28px;
}

nav ul{
    list-style:none;
    display:flex;
    gap:25px;
}

nav ul li a{
    color:white;
    text-decoration:none;
    font-weight:500;
    transition:.3s;
}

nav ul li a:hover{
    color:#93C5FD;
}

/* RUTA */

.ruta{
    width:90%;
    margin:25px auto;
    color:#6B7280;
}

/* PRODUCTO */

.producto{
    width:90%;
    margin:auto;
    background:white;
    border-radius:12px;
    padding:35px;
    display:flex;
    gap:40px;
    box-shadow:0 4px 12px rgba(0,0,0,.1);
}

.imagenes{
    display:flex;
    gap:15px;
}

.miniaturas{
    display:flex;
    flex-direction:column;
    gap:12px;
}

.miniaturas img{
    width:70px;
    height:70px;
    border:2px solid #E5E7EB;
    border-radius:8px;
    cursor:pointer;
}

.miniaturas img:hover{
    border-color:#2563EB;
}

.imagen-principal img{
    width:420px;
    max-width:100%;
    border-radius:10px;
}

/* INFORMACIÓN */

.informacion{
    flex:1;
}

.estado{
    color:#2563EB;
    font-weight:bold;
}

.informacion h1{
    color:#1E3A8A;
    margin:15px 0;
    font-size:34px;
}

.calificacion{
    color:#2563EB;
    margin-bottom:20px;
}

.informacion h2{
    color:#1E3A8A;
    font-size:40px;
    margin-bottom:20px;
}

.descripcion{
    margin-bottom:25px;
    line-height:1.7;
}

/* BOTONES */

.botones{
    display:flex;
    gap:15px;
}

.btn-carrito,
.btn-comprar{
    border:none;
    padding:14px 25px;
    border-radius:8px;
    cursor:pointer;
    color:white;
    font-size:16px;
    transition:.3s;
}

.btn-carrito{
    background:#2563EB;
}

.btn-carrito:hover{
    background:#1E3A8A;
}

.btn-comprar{
    background:#1E3A8A;
}

.btn-comprar:hover{
    background:#2563EB;
}

/* DETALLES */

.detalle{
    width:90%;
    margin:35px auto;
    background:white;
    padding:30px;
    border-radius:12px;
    box-shadow:0 4px 12px rgba(0,0,0,.08);
}

.detalle h2{
    color:#1E3A8A;
    margin-bottom:20px;
}

.detalle li{
    margin:10px 0;
}

/* RELACIONADOS */

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

.card{
    flex:1;
    min-width:220px;
    background:white;
    padding:20px;
    border-radius:10px;
    box-shadow:0 3px 10px rgba(0,0,0,.08);
    text-align:center;
    transition:.3s;
}

.card:hover{
    transform:translateY(-5px);
}

.card h3{
    color:#1E3A8A;
    margin-bottom:10px;
}

.card p{
    color:#2563EB;
    font-weight:bold;
}

/* FOOTER */

footer{
    margin-top:50px;
    background:#1E3A8A;
    color:white;
    text-align:center;
    padding:30px;
}

footer p{
    margin:8px 0;
}

/* RESPONSIVE */

@media(max-width:768px){

    header{
        flex-direction:column;
        gap:15px;
    }

    nav ul{
        flex-direction:column;
        text-align:center;
    }

    .producto{
        flex-direction:column;
    }

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

    .miniaturas{
        flex-direction:row;
    }

    .botones{
        flex-direction:column;
    }

    .btn-carrito,
    .btn-comprar{
        width:100%;
    }
}