:root{color-scheme:dark;--bg:#070912;--panel:#0d1224;--panel2:#111a33;--text:#f6f7fb;--muted:#a9b4d0;--line:#23304f;--accent:#7c5cff;--accent2:#32d3ff;--good:#54e39a;--warn:#ffd166}*{box-sizing:border-box}body{margin:0;background:radial-gradient(circle at top left,#1d1b45 0,#070912 36%,#05070d 100%);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}a{color:inherit;text-decoration:none}.wrap{max-width:1120px;margin:0 auto;padding:0 24px}.nav{position:-webkit-sticky;position:sticky;top:0;z-index:10;background:rgba(7,9,18,.78);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);border-bottom:1px solid rgba(255,255,255,.08)}.nav-inner{display:flex;align-items:center;justify-content:space-between;height:68px}.brand{font-weight:850;letter-spacing:-.04em;font-size:23px}.brand span{color:var(--accent2)}.nav-links{display:flex;gap:20px;color:var(--muted);font-size:14px}.hero{padding:80px 0 44px}.eyebrow{display:inline-flex;gap:8px;align-items:center;border:1px solid rgba(124,92,255,.42);background:rgba(124,92,255,.12);padding:8px 12px;border-radius:999px;color:#dcd6ff;font-size:13px}.hero h1{font-size:clamp(44px,7vw,76px);line-height:.94;letter-spacing:-.07em;margin:22px 0 18px;max-width:930px}.lead{font-size:20px;line-height:1.65;color:var(--muted);max-width:800px}.cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}.btn{padding:14px 18px;border-radius:14px;font-weight:750;border:1px solid rgba(255,255,255,.14);background:linear-gradient(135deg,var(--accent),var(--accent2));color:#04101a}.btn.secondary{background:rgba(255,255,255,.06);color:var(--text)}.grid{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:18px;gap:18px}.card{border:1px solid rgba(255,255,255,.1);background:linear-gradient(180deg,rgba(17,26,51,.92),rgba(9,13,29,.92));border-radius:22px;padding:24px;box-shadow:0 18px 70px rgba(0,0,0,.25)}.card h3{margin:0 0 10px;font-size:21px}.card p,.muted{color:var(--muted);line-height:1.65}.section{padding:42px 0}.section h2{font-size:36px;letter-spacing:-.04em;margin:0 0 18px}.pill{display:inline-block;border:1px solid rgba(255,255,255,.12);background:rgba(255,255,255,.06);border-radius:999px;padding:7px 10px;margin:4px;color:#cdd6ee;font-size:13px}.table{grid-gap:10px;gap:10px}.row,.table{display:grid}.row{grid-template-columns:1.2fr .9fr 1.5fr;grid-gap:12px;gap:12px;padding:14px;border:1px solid rgba(255,255,255,.08);border-radius:14px;background:rgba(255,255,255,.04)}.row strong{color:#fff}.calc{display:grid;grid-template-columns:1fr 1fr;grid-gap:20px;gap:20px;align-items:start}.field{display:grid;grid-gap:8px;gap:8px;margin:12px 0}.field input{width:100%;border:1px solid var(--line);background:#070b18;color:var(--text);padding:13px 14px;border-radius:12px;font-size:16px}.result{font-size:42px;font-weight:850;letter-spacing:-.04em;color:var(--good)}.note{font-size:13px;color:#8995b5}.footer{border-top:1px solid rgba(255,255,255,.08);margin-top:50px;padding:34px 0;color:var(--muted);font-size:14px}.article{max-width:860px}.article h1{font-size:52px;line-height:1;letter-spacing:-.055em}.article h2{font-size:30px;margin-top:34px}.article li,.article p{color:var(--muted);line-height:1.75}.kbd{font-family:ui-monospace,Menlo,Consolas,monospace;background:#050812;border:1px solid var(--line);border-radius:8px;padding:2px 6px;color:#dbe7ff}.warn{color:var(--warn)}@media(max-width:760px){.calc,.grid{grid-template-columns:1fr}.nav-links{display:none}.row{grid-template-columns:1fr}.hero{padding-top:52px}.wrap{padding:0 18px}}