body{
    margin:0;
    font-family: Arial, sans-serif;
    background-color:#F6F1DF;
    color:#0B4F3A;
}

.portada{
    width:82%;
    margin:40px auto;
    display:flex;
    justify-content:space-between;
    align-items:center;
    gap:40px;
}

.texto-portada{
    width:60%;
}

.etiqueta{
    font-size:14px;
    color:#0B4F3A;
    margin-bottom:15px;
}

h1{
    font-size:64px;
    line-height:70px;
    margin:0;
    color:#0B4F3A;
}

h2{
    font-size:22px;
    margin-top:12px;
    color:#0B4F3A;
}

.portada p{
    font-size:16px;
    line-height:26px;
    color:#0B4F3A;
}

.foto-perfil{
    width:240px;
    height:240px;
    object-fit:cover;
    border-radius:18px;
    box-shadow:0 15px 35px rgba(11,79,58,0.25);
}

nav{
    width:82%;
    margin:20px auto 35px auto;
    display:flex;
    justify-content:center;
    gap:18px;
}

nav a{
    text-decoration:none;
    background-color:#B7E88A;
    color:#0B4F3A;
    padding:14px 28px;
    border-radius:30px;
    font-weight:bold;
    transition:0.3s;
}

nav a:hover{
    background-color:#0B4F3A;
    color:#F6F1DF;
}

section{
    width:82%;
    margin:25px auto;
    background-color:#B7E88A;
    padding:35px;
    border-radius:22px;
    box-shadow:0 12px 25px rgba(11,79,58,0.12);
}

section h2{
    margin-top:0;
    font-size:30px;
    color:#0B4F3A;
}

section h3{
    font-size:18px;
    color:#0B4F3A;
}

section p{
    font-size:16px;
    line-height:27px;
    color:#0B4F3A;
}

footer{
    width:82%;
    margin:35px auto;
    background-color:#0B4F3A;
    color:#F6F1DF;
    padding:25px;
    border-radius:22px;
    text-align:center;
}
.foja{
    background-color:transparent;
    box-shadow:none;
    padding:20px 0;
}

.cards-materias{
    display:flex;
    gap:25px;
    justify-content:center;
    flex-wrap:wrap;
}

.card-materia{
    background-color:#B7E88A;
    width:220px;
    min-height:220px;
    padding:25px;
    border-radius:18px;
    box-shadow:0 10px 20px rgba(11,79,58,0.15);
}

.card-materia h3{
    margin-top:0;
    margin-bottom:15px;
    font-size:20px;
}

.card-materia p{
    margin:6px 0;
    font-size:15px;
    line-height:20px;
}