*{box-sizing:border-box;margin:0;padding:0;font-family:Arial,Helvetica,sans-serif}body{color:#333;background:#f4f4f4;line-height:1.6}header{color:#fff;background:#0d6efd;padding:20px 0}.container{width:90%;max-width:1100px;margin:auto}header h1{text-align:center}nav{text-align:center;margin-top:10px}nav a{color:#fff;margin:0 15px;font-weight:700;text-decoration:none}.hero{text-align:center;background:#fff;padding:60px 20px}.hero h2{color:#0d6efd;font-size:40px}.hero p{margin-top:15px;font-size:18px}section{padding:50px 20px}.card{background:#fff;border-radius:8px;margin-bottom:20px;padding:25px;box-shadow:0 2px 8px #0000001a}h3{color:#0d6efd;margin-bottom:20px}.skills span{color:#fff;background:#0d6efd;border-radius:20px;margin:5px;padding:8px 15px;display:inline-block}footer{color:#fff;text-align:center;background:#222;padding:20px}.btn{color:#fff;background:#0d6efd;border-radius:5px;margin-top:20px;padding:12px 25px;text-decoration:none;display:inline-block}@media (max-width:768px){.hero h2{font-size:30px}}