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

html{
    scroll-behavior:smooth;
}

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

nav{
    position:sticky;
    top:0;
    z-index:1000;
    display:flex;
    justify-content:space-between;
    align-items:center;
    padding:22px 8%;
    background:#111827;
    border-bottom:1px solid rgba(255,255,255,.08);
}

.logo{
    font-size:30px;
    font-weight:700;
    color:#60a5fa;
}

nav ul{
    display:flex;
    list-style:none;
    gap:30px;
}

nav a{
    color:#ffffff;
    text-decoration:none;
    transition:.3s;
}

nav a:hover{
    color:#60a5fa;
}

.hero{
    max-width:1200px;
    margin:auto;
    padding:120px 30px;
    text-align:center;
}

.hero h1{
    font-size:64px;
    margin-bottom:20px;
}

.hero p{
    max-width:850px;
    margin:auto;
    font-size:22px;
    color:#cbd5e1;
}

.buttons{
    margin-top:45px;
}

.btn{
    display:inline-block;
    padding:16px 36px;
    margin:10px;
    border-radius:8px;
    text-decoration:none;
    font-weight:bold;
    transition:.3s;
}

.primary{
    background:#2563eb;
    color:#ffffff;
}

.primary:hover{
    background:#1d4ed8;
}

.secondary{
    border:1px solid #60a5fa;
    color:#60a5fa;
}

.secondary:hover{
    background:#60a5fa;
    color:#0f172a;
}

.features{
    max-width:1200px;
    margin:80px auto;
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(260px,1fr));
    gap:25px;
    padding:0 30px;
}

.card{
    background:#1e293b;
    padding:30px;
    border-radius:12px;
    transition:.3s;
}

.card:hover{
    transform:translateY(-8px);
}

.card h3{
    color:#60a5fa;
    margin-bottom:15px;
}

footer{
    margin-top:80px;
    text-align:center;
    padding:50px;
    color:#94a3b8;
    border-top:1px solid rgba(255,255,255,.08);
}

@media(max-width:768px){

    nav{
        flex-direction:column;
        gap:15px;
    }

    nav ul{
        flex-wrap:wrap;
        justify-content:center;
    }

    .hero h1{
        font-size:42px;
    }

    .hero p{
        font-size:18px;
    }
}