*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Arial, Helvetica, sans-serif;
}

body{
    background: #0f3b75;
    padding: 30px;
}

.contenedor{
    width: 100%;
    max-width: 1200px;
    margin: auto;
    display: flex;
    background: #ffffff;
    min-height: 100vh;
}

.izquierda{
    width: 35%;
    background: #e9e9e9;
    padding: 30px;
}

.derecha{
    width: 65%;
    padding: 40px;
}

.foto{
    text-align: center;
    margin-bottom: 30px;
}

.foto img{
    width: 250px;
    height: 250px;
    border-radius: 50%;
    border: 8px solid #0f3b75;
    object-fit: cover;
}

header{
    background: #0f3b75;
    color: white;
    padding: 40px;
    margin: -40px -40px 30px -40px;
}

header h1{
    font-size: 45px;
    margin-bottom: 15px;
}

header h3{
    font-size: 24px;
    font-weight: normal;
}

section{
    margin-bottom: 35px;
}

section h2{
    color: #0f3b75;
    margin-bottom: 15px;
    border-bottom: 3px solid #0f3b75;
    padding-bottom: 5px;
}

section p,
section li{
    font-size: 18px;
    line-height: 1.6;
}

ul{
    padding-left: 20px;
}

.bloque{
    margin-bottom: 20px;
}

.bloque h4{
    font-size: 22px;
    color: #111;
}

button{
    background: #0f3b75;
    color: white;
    border: none;
    padding: 12px 25px;
    font-size: 16px;
    cursor: pointer;
    border-radius: 8px;
    transition: 0.3s;
}

button:hover{
    background: #07254a;
}

@media(max-width: 900px){
    .contenedor{
        flex-direction: column;
    }

    .izquierda,
    .derecha{
        width: 100%;
    }

    header h1{
        font-size: 35px;
    }
}