body {margin:0;font-family:'Montserrat',sans-serif;color:#333;}
section {padding:60px 20px;position:relative;}
.hero-video {position:absolute;width:100%;height:100%;object-fit:cover;z-index:-1;}
.overlay {position:absolute;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,0.4);}
.hero-content {text-align:center;color:#fff;position:relative;top:40%;}
.grid {display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:20px;}
.service-card {background-size:cover;background-position:center;height:300px;position:relative;}
.service-card .overlay {background:rgba(0,0,0,0.5);color:#fff;padding:20px;height:100%;display:flex;flex-direction:column;justify-content:center;}
.fade-in {opacity:0;transition:opacity 1s ease-in;}
.fade-in.visible {opacity:1;}