body {
    margin:0;
    font-family: Arial;
    background:#0a0a0a;
    color:#fff;
}

nav {
    position:fixed;
    width:94%;
    display:flex;
    justify-content:space-between;
    align-items:center;
    padding:15px 40px;
    background:rgba(0,0,0,0.8);
    z-index:1000;
}

.logo img {
    height:125px;
}

.nav-links a {
    color:#fff;
    margin-left:25px;
    text-decoration:none;
}

.hero {
    height:100vh;
    display:flex;
    justify-content:center;
    align-items:center;
    text-align:center;
    background:linear-gradient(rgba(0,0,0,0.6),rgba(0,0,0,0.9)),
    url('https://images.unsplash.com/photo-1508614999368-9260051292e5') center/cover;
}

.hero h1 {
    font-size:50px;
}

.btn {
    padding:15px 30px;
    background:gold;
    border:none;
    cursor:pointer;
}

section {
    padding:100px 10%;
}

.services {
    display:grid;
    grid-template-columns:repeat(auto-fit, minmax(220px,1fr));
    gap:20px;
}

.card {
    height:200px;
    background-size:cover;
    background-position:center;
    position:relative;
    border-radius:10px;
    overflow:hidden;
    opacity:0;
    transform:translateY(30px);
    transition:0.5s;
}

.card.show {
    opacity:1;
    transform:translateY(0);
}

.overlay {
    position:absolute;
    bottom:0;
    width:100%;
    background:rgba(0,0,0,0.7);
    padding:10px;
    text-align:center;
}