:root{color-scheme:dark;--bg:#07101d;--panel:#0d1929;--line:#20324a;--text:#f7fbff;--muted:#9fb0c6;--cyan:#38d9c8;--blue:#5b8cff;--danger:#ff7c89}
*{box-sizing:border-box}body{margin:0;background:radial-gradient(circle at 20% 0,#102b42 0,transparent 38%),var(--bg);color:var(--text);font:16px/1.5 Inter,system-ui,-apple-system,Segoe UI,sans-serif;min-height:100vh}.shell{width:min(980px,calc(100% - 32px));margin:auto;padding:28px 0 48px}header{display:flex;align-items:center;justify-content:space-between}.brand{display:flex;gap:12px;align-items:center;font-weight:800}.mark{display:grid;place-items:center;width:38px;height:38px;border-radius:12px;background:linear-gradient(135deg,var(--cyan),var(--blue));color:#05111d}select,input,button,.button{font:inherit}select{background:var(--panel);color:var(--text);border:1px solid var(--line);border-radius:10px;padding:8px 12px}.hero{padding:72px 0 36px;max-width:760px}.eyebrow{color:var(--cyan);font-weight:700;text-transform:uppercase;letter-spacing:.08em;font-size:13px}.hero h1{font-size:clamp(38px,7vw,72px);line-height:1.02;margin:10px 0 20px;letter-spacing:-.04em}.hero>p:last-child{font-size:20px;color:var(--muted);max-width:680px}.steps{display:grid;gap:18px}.card{position:relative;background:linear-gradient(145deg,rgba(18,34,53,.96),rgba(10,21,36,.96));border:1px solid var(--line);border-radius:22px;padding:28px 28px 30px;box-shadow:0 18px 50px rgba(0,0,0,.2)}.card.locked{opacity:.5}.card h2{margin:0 0 6px;padding-left:50px}.card>p{color:var(--muted);margin:0 0 22px;padding-left:50px}.number{position:absolute;top:26px;left:28px;display:grid;place-items:center;width:32px;height:32px;border-radius:50%;background:#162a42;color:var(--cyan);font-weight:800}.primary,.button,button{display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:12px;padding:12px 18px;color:var(--text);background:#14243a;text-decoration:none;cursor:pointer;font-weight:700}.primary{border:0;background:linear-gradient(135deg,var(--cyan),var(--blue));color:#061320}.disabled{pointer-events:none;opacity:.45}.hidden{display:none!important}.status,.success,.hint{margin-top:18px!important;padding-left:0!important}.success{color:var(--cyan)!important}.hint{font-size:14px}.button-grid{display:flex;gap:10px;flex-wrap:wrap;margin:18px 0}.copy-row{display:flex;gap:8px}.copy-row input{min-width:0;flex:1;background:#07111f;border:1px solid var(--line);border-radius:12px;color:var(--muted);padding:12px}.plans{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:12px}.plan{border:1px solid var(--line);border-radius:16px;padding:18px;background:#0a1524}.plan h3{margin:0}.plan .price{font-size:28px;font-weight:800;margin:8px 0 16px}.plan button{width:100%}footer{color:var(--muted);font-size:13px;text-align:center;padding:30px 10px 0}@media(max-width:600px){.shell{width:min(100% - 20px,980px)}.hero{padding-top:48px}.card{padding:22px 18px}.number{left:18px;top:20px}.card h2,.card>p{padding-left:44px}.copy-row{flex-direction:column}}