:root{
    --primary:#08233F;
    --secondary:#174A7E;
    --accent:#F97316;
    --dark:#06182C;
    --light:#F8FAFC;
    --text:#4B5563;
    --white:#FFFFFF;

    --shadow:0 15px 40px rgba(0,0,0,.08);
    --radius:18px;
}

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

html{
    scroll-behavior:smooth;
}

body{
    font-family:'Montserrat',sans-serif;
    color:var(--text);
    background:#fff;
    overflow-x:hidden;
}

img{
    max-width:100%;
    display:block;
}

a{
    text-decoration:none;
}

.section{
    padding:100px 8%;
}

.section-content{
    max-width:1400px;
    margin:auto;
}

.light{
    background:var(--light);
}

.dark{
    background:var(--primary);
    color:white;
}

.dark h2,
.dark p{
    color:white;
}

h2{
    font-size:48px;
    color:var(--primary);
    margin-bottom:25px;
    font-weight:800;
}

p{
    font-size:18px;
    line-height:1.9;
}

.btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    padding:16px 30px;
    border-radius:10px;
    font-weight:700;
    transition:.3s;
}

.btn-primary{
    background:var(--accent);
    color:white;
}

.btn-primary:hover{
    transform:translateY(-3px);
    background:#fb8c31;
}

.btn-secondary{
    border:1px solid rgba(255,255,255,.4);
    color:white;
}

.btn-secondary:hover{
    background:white;
    color:var(--primary);
}

.whatsapp-fixed{
    position:fixed;
    bottom:25px;
    right:25px;
    width:65px;
    height:65px;
    border-radius:50%;
    background:#25D366;
    display:flex;
    align-items:center;
    justify-content:center;
    color:white;
    font-size:34px;
    text-decoration:none;
    box-shadow:0 12px 30px rgba(0,0,0,.25);
    z-index:9999;
    transition:.3s;
}

.whatsapp-fixed:hover{
    transform:translateY(-4px) scale(1.05);
    color:white;
    box-shadow:0 18px 40px rgba(0,0,0,.30);
}

.whatsapp-fixed::before{
    content:'';
    position:absolute;
    inset:-8px;
    border-radius:50%;
    border:2px solid rgba(37,211,102,.35);
    animation:whatsappPulse 2s infinite;
}

@keyframes whatsappPulse{
    0%{
        transform:scale(1);
        opacity:1;
    }

    100%{
        transform:scale(1.4);
        opacity:0;
    }
}

@media(max-width:768px){
    .section{
        scroll-margin-top:145px;
    }
   
    .section{
        padding:80px 6%;
    }

    h2{
        font-size:34px;
        line-height:1.2;
    }

    p{
        font-size:17px;
        line-height:1.7;
    }

    .whatsapp-fixed{
        width:58px;
        height:58px;
        font-size:30px;
        right:18px;
        bottom:18px;
    }
}

@media(max-width:480px){
    .section{
        padding:70px 5%;
    }

    h2{
        font-size:30px;
    }

    p{
        font-size:16px;
    }

    .btn{
        width:100%;
        justify-content:center;
    }
}