:root{--bg:oklch(0.98 0.004 90);--bg-panel:oklch(0.94 0.012 75);--text:oklch(0.2 0.01 80);--border:oklch(0.2 0.01 80/0.15);--gold:#c7af87;--gold-deep:#ad9569;--serif:"Newsreader",Georgia,serif;--sans:"Helvetica Neue",Arial,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:var(--sans)}h1,h2{font-family:var(--serif);font-weight:400;margin:0}a{color:inherit}.wrap{max-width:480px;margin:0 auto;padding:120px 24px;text-align:center}.btn{display:inline-block;font-size:13px;letter-spacing:.08em;text-transform:uppercase;padding:17px 44px;background:var(--gold);color:var(--text);border-radius:999px;border:none;cursor:pointer;font-family:var(--sans);text-decoration:none;transition:background .2s ease}.btn:hover{background:var(--gold-deep)}.btn:disabled{opacity:.6;cursor:default}input[type=email]{width:100%;padding:14px 18px;font-size:16px;border:1px solid var(--border);border-radius:8px;background:transparent;color:inherit;font-family:inherit;margin-bottom:16px;box-sizing:border-box}.panel{background:var(--bg-panel);border-radius:8px;padding:32px;margin-top:24px;word-break:break-all;font-size:14px}.lesson,.panel{text-align:left}.lesson{border:1px solid var(--border);border-radius:8px;padding:24px;margin-bottom:16px}