footer{background:#222;color:#ccc;padding:60px 0 30px;margin-top:80px}.footer-content{display:grid;grid-template-columns:repeat(4,1fr);gap:40px;margin-bottom:50px}.footer-column h3{color:#fff;font-size:18px;font-weight:600;margin-bottom:20px;position:relative;padding-bottom:10px}.footer-column h3::after{content:'';position:absolute;bottom:0;left:0;width:40px;height:2px;background:#4caf50}.footer-column ul{list-style:none}.footer-column li{margin-bottom:12px}.footer-column a{color:#aaa;font-size:14px}.footer-column a:hover{color:#fff;padding-left:5px}.footer-bottom{text-align:center;padding-top:30px;border-top:1px solid #444;font-size:14px;color:#888}@media (max-width:1024px){.footer-content{grid-template-columns:repeat(3,1fr);gap:30px}}@media (max-width:768px){.footer-content{grid-template-columns:repeat(2,1fr);gap:25px}}@media (max-width:480px){.footer-content{grid-template-columns:1fr;gap:20px}.footer-column h3{margin-bottom:15px}}