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

html{
    scroll-behavior:smooth;
}

body{
    font-family:'Poppins',sans-serif;
    background:#3d0b19;
    color:white;
}

/* MENU */

nav{

    position:fixed;
    top:0;

    width:100%;

    display:flex;
    justify-content:space-between;
    align-items:center;

    padding:18px 50px;

    background:rgba(30,0,10,.90);

    backdrop-filter:blur(10px);

    z-index:1000;
}

.logo{
    font-weight:700;
    color:#ffd56f;
    font-size:1.1rem;
}

nav ul{

    list-style:none;

    display:flex;
    gap:25px;
}

nav a{

    text-decoration:none;
    color:white;
    transition:.3s;
}

nav a:hover{

    color:#ffd56f;
}

/* HEADER */

header{

    height:100vh;

    background-image:
    linear-gradient(
    rgba(20,0,0,.45),
    rgba(40,0,10,.75)),
    url("img/fondo.jpeg");

    background-size:cover;
    background-position:center top;

    display:flex;
    justify-content:center;
    align-items:center;
}

.hero-content{

    text-align:center;

    background:rgba(0,0,0,.25);

    padding:40px;

    border-radius:25px;

    backdrop-filter:blur(4px);
}

.hero-content h1{

    font-size:4rem;
    color:#fff7e8;
    margin-bottom:10px;
}

.carrera{

    color:#ffd56f;
    font-size:1.5rem;
    font-weight:600;
}

.universidad{

    margin-top:10px;
    font-size:1.1rem;
}

/* SECCIONES */

section{

    padding:100px 10%;
}

h2{

    text-align:center;

    margin-bottom:40px;

    color:#ffd56f;

    font-size:2.2rem;
}

/* GRID */

.grid{

    display:grid;

    grid-template-columns:
    repeat(auto-fit,minmax(280px,1fr));

    gap:25px;
}

/* TARJETAS */

.card{

    background:rgba(255,255,255,.08);

    backdrop-filter:blur(10px);

    border:1px solid rgba(255,255,255,.15);

    border-radius:20px;

    padding:25px;

    transition:.3s;
}

.card:hover{

    transform:translateY(-8px);

    box-shadow:
    0 10px 25px rgba(0,0,0,.35);
}

.card h3{

    color:#ffbf47;

    margin-bottom:15px;
}

.card p{

    line-height:1.6;
}

.card a{

    display:inline-block;

    margin-top:15px;

    color:#ffd56f;

    text-decoration:none;

    font-weight:600;
}

.card a:hover{

    color:white;
}

/* FOOTER */

footer{

    text-align:center;

    padding:30px;

    background:#25050f;
}

/* RESPONSIVE */

@media(max-width:768px){

    nav{

        flex-direction:column;
        gap:15px;
        padding:15px;
    }

    nav ul{

        flex-wrap:wrap;
        justify-content:center;
    }

    .hero-content h1{

        font-size:2.3rem;
    }

    .carrera{

        font-size:1.2rem;
    }

    section{

        padding:80px 6%;
    }
}