body{

font-family: Arial;
margin:0;
background:#0a0a0f;
color:white;

}

header{

background:linear-gradient(45deg,#0f2027,#2c5364,#6a00ff);
text-align:center;
padding:40px;

}

header h1{

font-size:32px;
letter-spacing:2px;

}

.volver{

color:#00e5ff;
text-decoration:none;
display:inline-block;
margin-top:10px;

}

.contenedor{

display:grid;
grid-template-columns:repeat(4,1fr);
gap:30px;
padding:40px;

}

.card{

background:#111;
border-radius:15px;
overflow:hidden;
box-shadow:0 0 20px rgba(0,255,255,0.3);
transition:0.3s;
text-align:center;

}

.card:hover{

transform:scale(1.05);
box-shadow:0 0 30px rgba(0,255,255,0.8);

}

.card img{

width:100%;
height:200px;
object-fit:cover;

}

.card h3{

padding:10px;
color:#00e5ff;

}

.card p{

padding:0 10px;
color:#ccc;

}

/* BOTONES GRANDES VERTICALES */

.contacto{

display:flex;
flex-direction:column;
gap:12px;
padding:15px;

}

.contacto a{

display:block;
background:#6a00ff;
color:white;
padding:12px;
border-radius:20px;
text-decoration:none;
font-size:15px;
font-weight:bold;
text-align:center;
transition:0.3s;

}

.contacto a:hover{

background:#00e5ff;
color:black;

}

/* RESPONSIVE TABLET */

@media (max-width:1000px){

.contenedor{

grid-template-columns:repeat(2,1fr);
padding:25px;

}

}

/* RESPONSIVE CELULAR */

@media (max-width:600px){

header{

padding:25px;

}

header h1{

font-size:24px;

}

.contenedor{

grid-template-columns:1fr;
padding:20px;
gap:20px;

}

.card img{

height:220px;

}

.contacto a{

padding:16px;
font-size:16px;

}

}