:root{color-scheme:dark;--bg:#0b1015;--panel:#111a21;--line:#29343e;--text:#f4f5f7;--muted:#a7b2c0;--lime:#ff783e}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:90px}body{margin:0;background:var(--bg);color:var(--text);font:16px/1.65 system-ui,sans-serif}a{color:var(--lime);text-underline-offset:4px}a:focus-visible,summary:focus-visible{outline:3px solid var(--lime);outline-offset:5px}header{border-bottom:1px solid var(--line);padding:18px max(24px,calc((100vw - 1120px)/2));display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{font-weight:850;letter-spacing:2px;text-decoration:none;color:var(--text)}.brand span{display:inline-grid;place-items:center;background:var(--lime);color:var(--bg);width:36px;height:36px;border-radius:8px;margin-right:12px;font-size:24px}main{max-width:1120px;margin:auto;padding:52px 24px 72px}.eyebrow{color:var(--lime);font-size:12px;letter-spacing:2px;font-weight:750;text-transform:uppercase}h1{font-size:clamp(36px,6vw,64px);line-height:1.07;letter-spacing:-2px;margin:14px 0 22px}h2{font-size:29px;line-height:1.2;margin:8px 0 18px}h3{font-size:19px;margin:0 0 8px}p{margin:0 0 16px}.lead{font-size:19px;color:var(--muted);max-width:720px}.jump{display:flex;gap:10px;flex-wrap:wrap;margin:28px 0}.jump a,.button{padding:9px 17px;border:1px solid var(--line);border-radius:9px;text-decoration:none}.button{display:inline-block;background:var(--lime);color:var(--bg);font-weight:700}.visual{display:block;width:100%;height:auto;border:1px solid var(--line);border-radius:18px;margin:30px 0 48px}.section{margin-top:48px}.grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.card,details{background:var(--panel);border:1px solid var(--line);border-radius:15px;padding:24px}.card p:last-child{margin-bottom:0}.number{color:var(--lime);font-weight:800;margin-bottom:10px;font-size:13px}.muted,small{color:var(--muted)}ol,ul{padding-left:22px;margin:12px 0}li{margin:8px 0}.note{border-left:3px solid var(--lime);padding:12px 18px;background:#241f1b;margin:20px 0}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:20px 0}.steps>div{padding:18px;border:1px solid var(--line);border-radius:12px}.steps strong{display:block;color:var(--lime)}.tree{white-space:pre-wrap;font:14px/1.9 ui-monospace,monospace;background:#0e171e;border-radius:10px;padding:18px;overflow-wrap:anywhere}.example{display:flex;gap:12px;align-items:center;flex-wrap:wrap;margin:16px 0}.example span{border:1px solid var(--line);border-radius:9px;padding:12px;flex:1;min-width:180px}.example b{color:var(--lime)}details{margin:12px 0}summary{cursor:pointer;font-weight:700}details[open] summary{margin-bottom:16px}footer{max-width:1120px;margin:auto;padding:24px;border-top:1px solid var(--line);color:var(--muted)}.skip{position:absolute;left:-9999px}.skip:focus{left:12px;top:12px;background:var(--bg);padding:10px}.price{font-size:26px;font-weight:800;color:var(--lime)}@media(max-width:650px){.grid,.steps{grid-template-columns:1fr}main{padding-top:32px}.card,details{padding:19px}header{padding:16px 20px;font-size:13px}.visual{margin-bottom:32px}h1{letter-spacing:-1px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}