:root{font-family:Inter,system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light;color:#213547;background-color:#fff}body{margin:0;min-width:320px;min-height:100vh}.hero{height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:0 2rem;background:linear-gradient(135deg,#f5f7fa,#c3cfe2)}.hero h1{font-size:3.2em;line-height:1.1;margin-bottom:1rem;color:#1a1a1a}.hero p{font-size:1.2em;color:#4a5568;max-width:600px;margin-bottom:2rem}.cta-button{background-color:#646cff;color:#fff;border:none;padding:.8em 1.6em;font-size:1.1em;border-radius:8px;cursor:pointer;transition:background-color .3s ease}.cta-button:hover{background-color:#535bf2}