:root{--bg:#f7f7fb;--surface:#fff;--text:#15152b;--muted:#686980;--line:#e8e7f1;--primary:#6d3df5;--pink:#ed4e9b;--shadow:0 16px 45px rgba(44,27,91,.09)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font:16px/1.65 Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,sans-serif}body.dark{--bg:#11111c;--surface:#1b1b2a;--text:#f6f4ff;--muted:#b5b1ca;--line:#333149;--shadow:0 16px 45px #0005}a{color:inherit;text-decoration:none}.wrap{max-width:1160px;margin:auto;padding:0 22px}.topbar{position:sticky;top:0;z-index:5;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}header{height:74px;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;gap:10px;font-weight:800}.logo{display:grid;place-items:center;width:39px;height:39px;border-radius:12px;color:white;background:linear-gradient(135deg,var(--primary),var(--pink));font-size:14px}.nav{display:flex;gap:25px;color:var(--muted);font-size:14px}.actions{display:flex;align-items:center;gap:9px}.iconbtn,.menu{border:1px solid var(--line);background:var(--surface);color:var(--text);border-radius:10px;padding:9px 11px;cursor:pointer}.menu{display:none}.hero{padding:64px 0 30px;text-align:center}.eyebrow{color:var(--primary);font-weight:750;font-size:13px;letter-spacing:.12em;text-transform:uppercase}.hero h1{font-size:clamp(32px,5vw,58px);line-height:1.08;margin:12px auto;max-width:800px;letter-spacing:-.04em}.hero p{color:var(--muted);max-width:670px;margin:0 auto}.crumb{font-size:13px;color:var(--muted);padding-top:26px}.crumb a{color:var(--primary)}.layout{display:grid;grid-template-columns:minmax(0,1fr) 290px;gap:24px;align-items:start}.card{background:var(--surface);border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow)}.calculator{padding:25px}.calculator h2{margin:0 0 20px;font-size:21px}.fields{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.field label{display:block;font-weight:700;font-size:14px;margin-bottom:7px}.field small{color:var(--muted);font-size:12px}.field input{width:100%;padding:13px 14px;border:1px solid var(--line);background:var(--bg);color:var(--text);border-radius:12px;font:inherit;outline:none}.field input:focus{border-color:var(--primary);box-shadow:0 0 0 3px #6d3df522}.primary{margin-top:20px;width:100%;border:0;border-radius:12px;padding:14px;background:linear-gradient(90deg,var(--primary),var(--pink));color:white;font-weight:800;font-size:15px;cursor:pointer}.primary:disabled{opacity:.7}.spin{display:inline-block;width:14px;height:14px;border:2px solid #fff8;border-top-color:white;border-radius:50%;animation:rot .7s linear infinite;vertical-align:-2px;margin-right:5px}@keyframes rot{to{transform:rotate(360deg)}}.error{color:#d83e61;background:#d83e6112;border-radius:10px;padding:10px 12px;margin-top:14px}.results{margin-top:22px;padding:20px;border-radius:16px;background:linear-gradient(135deg,#6d3df50d,#ed4e9b12);border:1px solid #6d3df52b}.results h3{margin:0 0 14px}.resultgrid{display:grid;grid-template-columns:repeat(2,1fr);gap:11px}.metric{padding:12px;background:var(--surface);border:1px solid var(--line);border-radius:12px}.metric span{display:block;color:var(--muted);font-size:12px}.metric strong{display:block;font-size:18px;margin-top:3px}.side{padding:20px}.side h3{margin-top:0;font-size:16px}.side a{display:block;padding:10px 0;border-bottom:1px solid var(--line);font-size:14px;color:var(--muted)}.side a:hover{color:var(--primary)}.content{margin:30px 0 0;padding:30px}.content h2{font-size:25px;line-height:1.2;margin-top:0}.content h3{font-size:19px}.content table{width:100%;border-collapse:collapse;margin:18px 0}.content th,.content td{text-align:left;border:1px solid var(--line);padding:10px}.content th{background:#6d3df50d}.faq{margin:24px 0}.faq button{width:100%;text-align:left;background:none;color:var(--text);border:0;padding:16px 0;border-bottom:1px solid var(--line);font:inherit;font-weight:700;cursor:pointer;display:flex;justify-content:space-between}.answer{display:none;color:var(--muted);padding:12px 0}.faq.open .answer{display:block}.disclaimer{color:var(--muted);font-size:13px;margin:25px 0}.footer{margin-top:70px;padding:48px 0 25px;background:#15132a;color:#dfdcf0}.footergrid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:30px}.footer h3{color:white;font-size:15px}.footer p,.footer a{color:#aaa6bf;font-size:14px;display:block;margin:7px 0}.copyright{border-top:1px solid #ffffff1c;margin-top:30px;padding-top:18px;color:#88839f;font-size:13px}.badge{display:inline-block;background:#6d3df514;color:var(--primary);padding:5px 9px;border-radius:99px;font-size:12px;font-weight:700}.prose ul{padding-left:20px}@media(max-width:800px){.nav{display:none}.menu{display:block}.layout{grid-template-columns:1fr}.side{display:none}.hero{padding-top:40px}.footergrid{grid-template-columns:1fr 1fr}}@media(max-width:520px){.fields,.resultgrid{grid-template-columns:1fr}.footergrid{grid-template-columns:1fr}.calculator,.content{padding:19px}.hero h1{font-size:35px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;scroll-behavior:auto!important}}