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

body{
    font-family:Arial, Helvetica, sans-serif;
    background:#0b0f19;
    color:#ffffff;
    line-height:1.6;
}

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

header{
    background:#111827;
    padding:20px 0;
    position:sticky;
    top:0;
    z-index:100;
}

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

.logo{
    font-size:1.5rem;
    font-weight:bold;
    color:#4f9cff;
}

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

nav a:hover{
    color:#4f9cff;
}

.hero{
    padding:120px 0;
    text-align:center;
    background:linear-gradient(135deg,#0b0f19,#111827);
}

.hero h1{
    font-size:4rem;
    margin-bottom:20px;
}

.hero p{
    max-width:700px;
    margin:auto;
    font-size:1.2rem;
    color:#cbd5e1;
}

.btn{
    display:inline-block;
    margin-top:35px;
    background:#4f9cff;
    color:white;
    padding:15px 30px;
    border-radius:8px;
    text-decoration:none;
    font-weight:bold;
    transition:.3s;
}

.btn:hover{
    transform:translateY(-3px);
    background:#327ee8;
}

.services{
    padding:100px 0;
}

.services h2,
.about h2,
.contact h2{
    text-align:center;
    margin-bottom:50px;
    font-size:2.5rem;
}

.grid{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
    gap:25px;
}

.card{
    background:#111827;
    padding:30px;
    border-radius:12px;
    border:1px solid rgba(255,255,255,.08);
    transition:.3s;
}

.card:hover{
    transform:translateY(-5px);
}

.card h3{
    margin-bottom:15px;
    color:#4f9cff;
}

.about{
    padding:100px 0;
    background:#111827;
}

.about p{
    max-width:900px;
    margin:20px auto;
    text-align:center;
    color:#cbd5e1;
}

.contact{
    padding:100px 0;
    text-align:center;
}

.contact p{
    color:#cbd5e1;
    margin-bottom:20px;
}

.contact-form{
    max-width:600px;
    margin:40px auto 0;
    display:flex;
    flex-direction:column;
    gap:15px;
}

.contact-form input,
.contact-form textarea{
    width:100%;
    padding:15px;
    border-radius:8px;
    border:1px solid rgba(255,255,255,.15);
    background:#0b0f19;
    color:white;
    font-size:1rem;
}

.contact-form textarea{
    min-height:160px;
    resize:vertical;
}

.contact-form input::placeholder,
.contact-form textarea::placeholder{
    color:#94a3b8;
}

.contact-form button{
    border:none;
    cursor:pointer;
}

footer{
    background:#111827;
    text-align:center;
    padding:30px 0;
    color:#94a3b8;
}

@media(max-width:768px){

    .hero{
        padding:80px 0;
    }

    .hero h1{
        font-size:2.5rem;
    }

    .hero p{
        font-size:1rem;
    }

    nav{
        display:none;
    }

    .services,
    .about,
    .contact{
        padding:70px 0;
    }

    .services h2,
    .about h2,
    .contact h2{
        font-size:2rem;
    }
}