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

body{

    font-family:Arial, Helvetica, sans-serif;
    background:#0f172a;
    color:white;
    line-height:1.6;
}

.container{

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

header{

    position:fixed;
    width:100%;
    top:0;
    left:0;

    background:#111827;
    border-bottom:1px solid #1e293b;
}

header .container{

    display:flex;
    justify-content:space-between;
    align-items:center;

    padding:20px 0;
}

.logo{

    font-size:30px;
    font-weight:bold;
    letter-spacing:2px;
}

.logo span{

    color:#3b82f6;
}

nav a{

    color:white;
    text-decoration:none;
    margin-left:25px;
    transition:.3s;
}

nav a:hover{

    color:#3b82f6;
}

.hero{

    min-height:100vh;

    display:flex;
    align-items:center;

    text-align:center;

    background:
    radial-gradient(circle at top,#2563eb 0%,#0f172a 65%);
}

.hero h1{

    font-size:56px;
    margin-bottom:20px;
}

.hero p{

    max-width:700px;
    margin:auto;
    font-size:20px;
    color:#d1d5db;
}

.btn{

    display:inline-block;

    margin-top:40px;

    padding:16px 40px;

    background:#3b82f6;

    color:white;

    text-decoration:none;

    border-radius:8px;

    transition:.3s;
}

.btn:hover{

    background:#2563eb;
}

section{

    padding:90px 0;
}

h2{

    text-align:center;

    margin-bottom:50px;

    font-size:38px;
}

.cards{

    display:grid;

    grid-template-columns:repeat(auto-fit,minmax(280px,1fr));

    gap:25px;
}

.card{

    background:#111827;

    padding:35px;

    border-radius:12px;

    border:1px solid #1f2937;

    transition:.3s;
}

.card:hover{

    transform:translateY(-8px);

    border-color:#3b82f6;
}

.card h3{

    margin-bottom:15px;

    color:#60a5fa;
}

.sobre{

    background:#111827;
}

.sobre p{

    max-width:850px;

    margin:auto;

    text-align:center;

    font-size:18px;

    color:#d1d5db;
}

.info{

    background:#111827;

    padding:40px;

    border-radius:12px;

    max-width:700px;

    margin:auto;

    font-size:18px;
}

.info p{

    margin:18px 0;
}

footer{

    background:#020617;

    text-align:center;

    padding:30px;
    color:#94a3b8;
}

@media(max-width:768px){

header .container{

flex-direction:column;
}

nav{

margin-top:15px;
}

.hero h1{

font-size:38px;
}

.hero p{

font-size:18px;
}

}