:root{color-scheme:dark;font-family:Arial,sans-serif;color:#e9f7fa;background:#08171d}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:radial-gradient(ellipse at 10% 20%,#163e49,transparent 65%)}main{max-width:1180px;margin:auto;min-height:100vh;display:grid;grid-template-columns:1.1fr 1fr;gap:80px;align-items:center;padding:48px 28px}.intro img{width:210px;max-width:100%;border-radius:12px;background:white;padding:12px;margin-bottom:38px}.eyebrow{font-size:12px;letter-spacing:2px;font-weight:700;color:#50dcc9}h1{font-size:clamp(36px,4vw,56px);letter-spacing:-2px;line-height:1.1;margin:22px 0}p{line-height:1.6;color:#a9c5cf}h2{font-size:30px;margin:12px 0}.card{padding:36px;background:#102a34;border:1px solid #31515d;border-radius:24px;box-shadow:0 24px 80px #0003}label{display:block;font-size:14px;font-weight:bold;margin:22px 0 10px}input{display:block;width:100%;padding:15px;border-radius:10px;background:#091c24;border:1px solid #395865;color:#fff;font:inherit}input:focus-visible,button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid #50dcc9;outline-offset:3px}details{margin-top:22px;color:#a9c5cf;font-size:14px}summary{cursor:pointer}small{display:block;margin-top:10px;line-height:1.5}button{width:100%;border:0;border-radius:12px;padding:17px;color:#05212a;background:#50dcc9;font-size:16px;font-weight:bold;cursor:pointer}button:disabled{opacity:.65;cursor:wait}#message{color:#ffb9a3;font-size:14px;min-height:22px}.back{display:block;text-align:center;color:#a9c5cf;margin-top:24px;font-size:14px}@media(max-width:760px){main{grid-template-columns:1fr;gap:26px;padding:28px 18px;align-content:center}.intro img{width:145px;margin-bottom:12px}.intro h1{font-size:32px}.intro>p:last-child{display:none}.card{padding:26px 22px}h2{font-size:27px}}