*{margin:0;padding:0;box-sizing:border-box;font-family:Arial,sans-serif}body{background:#f5f7fb}.app{max-width:480px;margin:auto;min-height:100vh;background:#fff;padding:20px}.topbar{display:flex;justify-content:space-between;align-items:center}.logoArea{display:flex;align-items:center;gap:10px}.logo{width:50px;height:50px;border-radius:14px;background:linear-gradient(135deg,#3b82f6,#60a5fa);display:flex;align-items:center;justify-content:center;color:#fff;font-size:24px}.logoArea h1{color:#243b63;font-size:24px}.profileSection{display:flex;align-items:center;gap:15px}.notification{position:relative;font-size:24px}.notification span{position:absolute;top:-10px;right:-10px;width:20px;height:20px;border-radius:50%;background:red;color:#fff;display:flex;align-items:center;justify-content:center;font-size:12px}.profile{width:50px;height:50px;border-radius:50%}.hero{text-align:center;margin-top:40px}.hero h2{font-size:34px;color:#243b63}.hero p{margin-top:10px;color:#6b7280;font-size:18px}.cityIllustration{margin-top:30px;height:160px;display:flex;justify-content:center;align-items:flex-end;gap:15px;position:relative}.building{width:80px;height:110px;border-radius:12px;background:linear-gradient(180deg,#60a5fa,#2563eb)}.tall{height:140px}.small{height:90px}.bike{position:absolute;bottom:-10px;font-size:50px}.searchBox{margin-top:30px}.searchBox input{width:100%;padding:18px;border:none;border-radius:40px;background:#f1f5f9;font-size:18px}.serviceGrid{margin-top:30px;display:grid;grid-template-columns:repeat(2,1fr);gap:18px;padding-bottom:100px}.card{background:#fff;padding:24px;border-radius:24px;text-align:center;box-shadow:0 6px 20px #0000000f}.card.large{background:linear-gradient(135deg,#60a5fa,#2563eb);color:#fff}.icon{font-size:52px}.card h3{margin-top:15px}.bottomNav{position:fixed;bottom:0;left:50%;transform:translate(-50%);width:100%;max-width:480px;background:#fff;display:flex;justify-content:space-around;padding:15px 10px;border-top:1px solid #e5e7eb}.navItem{text-align:center;color:#6b7280}.navItem.active{color:#2563eb}