*{
    margin:0;
    padding:0;
    box-sizing:border-box;
    font-family:Arial, sans-serif;
}


body{
    background:#111;
    color:#fff;
    line-height:1.6;
}


header{
    background:#000;
    padding:20px 5%;
    display:flex;
    justify-content:space-between;
    align-items:center;
    position:sticky;
    top:0;
    z-index:1000;
}


.logo{
    color:#39FF14;
    font-size:28px;
    font-weight:bold;
}


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


.hero{
    min-height:90vh;
    display:flex;
    align-items:center;
    justify-content:center;
    text-align:center;
    padding:40px;
    background:linear-gradient(rgba(0,0,0,.8), rgba(0,0,0,.8)),
    url('https://images.unsplash.com/photo-1518770660439-4636190af475?auto=format&fit=crop&w=1600&q=80');
    background-size:cover;
}


.hero-content{
    max-width:900px;
}


.hero h1{
    font-size:3rem;
    color:#39FF14;
    margin-bottom:20px;
}


.hero p{
    font-size:1.3rem;
    margin-bottom:30px;
}


.btn{
    display:inline-block;
    background:#39FF14;
    color:#000;
    padding:15px 30px;
    border-radius:5px;
    text-decoration:none;
    font-weight:bold;
}


section{
    padding:80px 10%;
}


.section-title{
    text-align:center;
    margin-bottom:50px;
    color:#39FF14;
    font-size:2rem;
}


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


.card{
    background:#1b1b1b;
    padding:25px;
    border-radius:10px;
    border:1px solid #333;
}


.card h3{
    color:#39FF14;
    margin-bottom:15px;
}


.why{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
    gap:20px;
    text-align:center;
}


.why-item{
    background:#1b1b1b;
    padding:25px;
    border-radius:10px;
}


.about{
    max-width:900px;
    margin:auto;
    text-align:center;
}


.cta{
    text-align:center;
    background:#000;
}


.contact{
    max-width:700px;
    margin:auto;
}


input, textarea{
    width:100%;
    padding:15px;
    margin-bottom:15px;
    border:none;
    border-radius:5px;
}


button{
    width:100%;
    background:#39FF14;
    color:#000;
    padding:15px;
    border:none;
    font-size:18px;
    font-weight:bold;
    cursor:pointer;
}


footer{
    background:#000;
    text-align:center;
    padding:30px;
}


@media(max-width:768px){
.hero h1{
font-size:2rem;
}
}