body {
    margin: 0;
    padding: 0;
    font-family: Arial, sans-serif;
    background: #f6f6f6;
    color: #222;
}
.hero {
    background: url('https://images.unsplash.com/photo-1503387762-592deb58ef4e') center/cover no-repeat;
    height: 90vh;
    position: relative;
}
.hero .overlay {
    background: rgba(0,0,0,0.5);
    height: 100%;
    color: #fff;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 20px;
}
.hero h1 {
    font-size: 3rem;
}
.btn {
    margin-top: 20px;
    padding: 12px 25px;
    background: #e67e22;
    color: white;
    text-decoration: none;
    border-radius: 4px;
}
nav {
    background: #fff;
    padding: 10px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}
nav ul {
    list-style: none;
    display: flex;
    justify-content: center;
    gap: 20px;
}
.content-section {
    max-width: 1000px;
    margin: auto;
    padding: 40px 20px;
}
.services-grid, .gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}
.gallery-grid img {
    width: 100%;
    cursor: pointer;
    border-radius: 5px;
}
.lightbox {
    position: fixed;
    top:0; left:0;
    width:100%; height:100%;
    background: rgba(0,0,0,0.8);
    display:none;
    justify-content:center;
    align-items:center;
}
.lightbox img {
    max-width:90%;
    max-height:90%;
}