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

/* ================= BODY ================= */
body{
    font-family:'Inter', sans-serif;
    background:linear-gradient(180deg,#eef3f7 0%, #f6f7f9 100%);
    color:#333;
}

/* ================= HEADER ================= */
.header{
    text-align:center;
    padding:20px 10px;
    background:#ffffff;
    border-bottom:1px solid #e6e9ee;
}

.logo img{
    max-height:80px;
    margin-bottom:10px;
}

/* ================= MENU ================= */
.nav{
    display:flex;
    justify-content:center;
    gap:30px;
    flex-wrap:wrap;
}

.nav a{
    color:#004aad;
    text-decoration:none;
    font-size:15px;
    font-weight:600;
}

.nav a:hover{
    text-decoration:underline;
}

/* ================= CONTENIDO ================= */
.container{
    max-width:1200px;
    margin:60px auto;
    text-align:center;
    padding:0 20px;
}

.container h1{
    font-size:42px;
    margin-bottom:60px;
    font-weight:600;
    color:#004aad;
}

/* ================= CARDS ================= */
.cards{
    display:flex;
    justify-content:center;
    gap:60px;
    flex-wrap:wrap;
}

.card{
    width:500px;
    height:260px;
    background:linear-gradient(135deg,#007c91,#004aad);
    color:#ffffff;
    display:flex;
    align-items:center;
    justify-content:center;
    font-size:32px;
    text-decoration:none;
    border-radius:12px;
    transition:transform .2s ease, box-shadow .2s ease;
    box-shadow:0 12px 30px rgba(0,0,0,.15);
}

.card:hover{
    transform:translateY(-4px);
    box-shadow:0 18px 40px rgba(0,74,173,.35);
}

/* ================= FOOTER ================= */
.footer{
    margin-top:80px;
    padding:20px 10px;
    border-top:1px solid #cccccc;
    background-color:#f8f9fa;
}

.footer-content{
    display:flex;
    justify-content:center;
    align-items:center;
    gap:12px;
    font-size:14px;
    color:#555555;
}

.footer .divider{
    color:#aaaaaa;
}

/* ================= RESPONSIVE ================= */
@media(max-width:1100px){
    .card{
        width:90%;
    }
}

@media(max-width:768px){
    .nav{
        gap:15px;
    }

    .container h1{
        font-size:30px;
        margin-bottom:40px;
    }

    .cards{
        gap:30px;
    }
}