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

body{
    font-family: "Georgia","Times New Roman",serif;

    background: linear-gradient(135deg,#1f2a38,#34495e,#5dade2);

    padding:60px 20px;
    color:#333;
}


.contenedor{
    max-width:1000px;
    margin:auto;
    background:white;
    padding:50px;
    border-radius:12px;
    box-shadow:0 10px 30px rgba(0,0,0,0.3);
}


h1{
    text-align:center;
    font-size:38px;
    margin-bottom:40px;
    color:#2c3e50;
    letter-spacing:2px;
}


h1::after{
    content:"";
    display:block;
    width:90px;
    height:4px;
    background:#f39c12;
    margin:12px auto;
}


h2{
    margin-top:35px;
    margin-bottom:20px;
    font-size:24px;
    color:#2c3e50;
    border-left:5px solid #f39c12;
    padding-left:12px;
}


p{
    font-size:18px;
    line-height:1.8;
    margin-bottom:20px;
    color:#444;
}


ul{
    list-style:none;
}


ul li{
    background:#f4f6f7;
    margin-bottom:12px;
    padding:15px 18px;
    border-left:5px solid #5dade2;
    border-radius:6px;
    font-size:17px;
    transition:0.3s;
}


ul li:hover{
    transform:translateX(8px);
    background:#eaf2f8;
}

.btn-volver {
    display: block;
    width: fit-content;
    margin-left: 40px;
    margin-top: 40px;
     display: inline-block;
    margin-top: 40px;
    padding: 12px 25px;
    background-color: #34495e;
    color: #e4e7ea;
    text-decoration: none;
    border-left: 4px solid #5dade2;
    font-size: 16px;
    border-radius: 4px;
    transition: all 0.3s ease;

}

.btn-volver:hover {
    background-color: #3d566e;
    padding-left:100px;
}

/* Responsive para celular */
@media(max-width:768px){

body{
    padding:30px 15px;
}

.contenedor{
    padding:30px 20px;
}

h1{
    font-size:28px;
}

h2{
    font-size:20px;
}

p{
    font-size:16px;
}

ul li{
    font-size:15px;
}

}