*{box-sizing:border-box}body{margin:0;font-family:Arial,sans-serif;color:#102442;background:#fff}header{height:70px;padding:0 8%;display:flex;justify-content:space-between;align-items:center}.logo{font-weight:bold;font-size:22px}.top-btn,.download,.contact a{background:#159447;color:white;text-decoration:none;padding:14px 30px;border-radius:30px}.hero{display:flex;align-items:center;padding:50px 8%;gap:30px;background:#f5faf7}.hero div{flex:1}h1{font-size:42px}.hero span{color:#159447}.hero img{width:45%;max-width:500px}.box,.contact{margin:40px 8%;padding:30px;border-radius:20px;background:#f4f6f8}.contact{text-align:center;background:#eef7f1}footer{background:#102442;color:white;text-align:center;padding:30px}@media(max-width:768px){.hero{flex-direction:column;text-align:center}.hero img{width:90%}h1{font-size:30px}header{padding:0 5%}}