.principal-page{
    padding:60px 0;
    background:#fff;
}

.principal-card{
    display:flex;
    gap:40px;
    margin-top:40px;
    align-items:flex-start;
}

.principal-image{
    flex:0 0 280px;
}

.principal-image img{
    width:100%;
    border-radius:12px;
    border:4px solid #f2f2f2;
    box-shadow:0 5px 20px rgba(0,0,0,0.1);
}

.principal-content{
    flex:1;
}

.principal-content h3{
    color:#7a0019;
    font-size:30px;
    margin-bottom:5px;
}

.principal-content h4{
    color:#666;
    margin-bottom:20px;
    font-weight:500;
}

.quote-box{
    background:#f8f8f8;
    border-left:5px solid #7a0019;
    padding:18px 20px;
    margin-bottom:25px;
    border-radius:5px;
}

.quote-box p{
    margin:0;
    font-style:italic;
    color:#444;
}

.principal-content p{
    text-align:justify;
    line-height:1.9;
    margin-bottom:18px;
    color:#333;
}

.signature{
    margin-top:30px;
    font-size:18px;
    color:#7a0019;
}

@media(max-width:768px){

    .principal-card{
        flex-direction:column;
    }

    .principal-image{
        max-width:250px;
        margin:auto;
    }

    .principal-content h3,
    .principal-content h4{
        text-align:center;
    }
}