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

html{
    scroll-behavior:smooth;
}

body{
    font-family:'Roboto',sans-serif;
    color:#333;
}

.container{
    width:90%;
    max-width:1200px;
    margin:auto;
}

header{
    position:fixed;
    width:100%;
    top:0;
    left:0;
    z-index:999;
    padding:20px 0;
    background:rgba(0,0,0,.6);
}

.nav{
    display:flex;
    justify-content:space-between;
    align-items:center;
}

.logo{
    max-width:220px;
}

nav a{
    color:#fff;
    text-decoration:none;
    margin-left:20px;
}

.hero{
    height:100vh;
    background:url('../img/hero-bg.jpg') center/cover no-repeat;
    position:relative;
    display:flex;
    align-items:center;
}

.overlay{
    position:absolute;
    inset:0;
    background:rgba(0,0,0,.55);
}

.hero-content{
    position:relative;
    color:#fff;
    max-width:700px;
}

.hero h1{
    font-size:52px;
    margin-bottom:20px;
}

.btn{
    display:inline-block;
    background:#4467b2;
    color:#fff;
    padding:14px 28px;
    text-decoration:none;
    border:none;
    cursor:pointer;
    margin-top:20px;
}

.grid-3{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:30px;
}

.features,
.diferenciais,
.contato{
    padding:100px 0;
}

.card,
.box{
    padding:30px;
    border:1px solid #ddd;
}

.card i{
    font-size:48px;
    margin-bottom:20px;
}

.dark-section{
    background:#051b35;
    color:#fff;
    padding:100px 0;
}

.dark-section h2{
    margin-bottom:30px;
}

.dark-section .box{
    border-color:rgba(255,255,255,.2);
}

.diferenciais-grid,
.contato-grid,
.footer-content{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:40px;
    align-items:center;
}

.diferenciais img{
    width:100%;
}

.sobre{
    padding:100px 0;
    background:url('../img/sobre-bg.jpg') center/cover no-repeat;
    color:#fff;
}

form input,
form textarea{
    width:100%;
    padding:14px;
    margin-bottom:15px;
    border:1px solid #ccc;
}

form textarea{
    min-height:140px;
}

.lgpd{
    display:flex;
    gap:10px;
    align-items:center;
    font-size:14px;
}

footer{
    padding:60px 0;
    background:#f5f5f5;
}

.social a{
    color:#222;
    margin-right:15px;
    font-size:24px;
}

.whatsapp{
    position:fixed;
    right:20px;
    bottom:20px;
    background:#25d366;
    color:#fff;
    width:60px;
    height:60px;
    border-radius:50%;
    display:flex;
    align-items:center;
    justify-content:center;
    font-size:30px;
    text-decoration:none;
}

#topBtn{
    position:fixed;
    right:20px;
    bottom:95px;
    width:50px;
    height:50px;
    border:none;
    background:#051b35;
    color:#fff;
    cursor:pointer;
}

@media(max-width:768px){

    .grid-3,
    .diferenciais-grid,
    .contato-grid,
    .footer-content{
        grid-template-columns:1fr;
    }

    .hero h1{
        font-size:34px;
    }

    nav{
        display:none;
    }

}