:root{color-scheme:dark;--bg:#0b1020;--card:#121a31;--text:#edf2ff;--muted:#a9b4d0;--accent:#6ce5b1}*{box-sizing:border-box}body{margin:0;background:radial-gradient(circle at 80%% 10%%,#18355b 0,transparent 35%%),var(--bg);color:var(--text);font:16px/1.65 system-ui,sans-serif}main{width:min(980px,calc(100%% - 40px));margin:auto;min-height:100vh;display:flex;flex-direction:column}header{display:flex;align-items:center;justify-content:space-between;padding:30px 0}.mark{display:grid;place-items:center;width:44px;height:44px;border:1px solid #42618a;border-radius:14px;color:var(--accent);font-weight:800}nav{display:flex;gap:24px}a{color:var(--text);text-decoration:none}nav a{color:var(--muted)}nav a:hover{color:var(--text)}.hero,article{margin:auto 0;padding:70px 0;max-width:760px}.eyebrow{color:var(--accent);letter-spacing:.18em;font-weight:700}h1{font-size:clamp(42px,8vw,80px);line-height:1.02;margin:.2em 0}.lead{font-size:20px;color:var(--muted);max-width:660px}.button{display:inline-block;margin-top:22px;padding:12px 20px;border-radius:12px;background:var(--accent);color:#07130e;font-weight:700}footer{padding:30px 0;color:#74809d;border-top:1px solid #202b46}@media(max-width:650px){header{align-items:flex-start}nav{flex-direction:column;gap:4px;text-align:right}}