:root{--bg:#f6f4fb;--paper:#fff;--paper-soft:#f0edf8;--text:#101018;--muted:#62606d;--line:#dfd9ef;--primary:#2f1b69;--primary2:#735fbd;--primary3:#9a8de0;--ink:#070710;--shadow:0 18px 45px #1912371a;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{background:radial-gradient(circle at 8% -10%,#735fbd2e,transparent 34rem),var(--bg);color:var(--text);margin:0;line-height:1.55}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}.skip-link{z-index:100;color:#fff;background:#000;padding:10px 14px;position:absolute;top:-48px;left:12px}.skip-link:focus{top:12px}.site-header{z-index:40;color:#fff;background:linear-gradient(135deg,#150f2e 0%,#33206e 64%,#4a348e 100%);grid-template-columns:minmax(160px,1fr) minmax(260px,440px) auto;align-items:center;gap:18px;min-height:72px;padding:12px clamp(16px,3vw,34px);display:grid;position:sticky;top:0;box-shadow:0 12px 34px #110b283d}.brand{align-items:center;width:max-content;max-width:260px;display:flex}.brand img{object-fit:contain;filter:drop-shadow(0 6px 14px #0003);width:auto;max-width:238px;height:44px;display:block}.top-search{color:#fff;backdrop-filter:blur(10px);background:#ffffff29;border:1px solid #ffffff38;border-radius:999px;justify-content:center;align-items:center;gap:10px;height:46px;padding:0 20px;font-size:1.16rem;font-weight:900;display:flex}.top-search span{font-size:1.52rem;line-height:1}.top-search:hover,.top-search:focus{outline-offset:2px;background:#ffffff3d;outline:3px solid #ffffff29}.menu-panel{position:relative}.menu-panel summary{cursor:pointer;align-items:center;gap:8px;padding:10px 0;font-size:1.08rem;font-weight:950;list-style:none;display:flex}.menu-panel summary::-webkit-details-marker{display:none}.menu-panel nav{z-index:50;color:#111;border:1px solid var(--line);background:#fff;gap:4px;min-width:224px;padding:10px;display:grid;position:absolute;top:calc(100% + 10px);right:0;box-shadow:0 18px 45px #0003}.menu-panel nav a{border-radius:10px;padding:10px 12px;font-weight:850}.menu-panel nav a:hover,.menu-panel nav a:focus{background:var(--paper-soft);outline:none}main{width:min(1480px,100% - 32px);margin:0 auto;padding:18px 0 48px}.site-footer{border:1px solid var(--line);width:min(1480px,100% - 32px);box-shadow:var(--shadow);color:#292633;background:#ffffffd1;margin:0 auto 28px;padding:20px 22px;font-size:.9rem}.footer-links{flex-wrap:wrap;gap:16px;display:flex}.footer-links a{font-weight:850}.hero{gap:18px;padding:36px 0 24px;display:grid}.eyebrow{background:var(--paper-soft);width:fit-content;padding:4px 10px;font-weight:900;display:inline-flex}.kicker{color:var(--primary);font-weight:950}h1,h2,h3{letter-spacing:-.06em;line-height:1.16}h1{margin:0;font-size:clamp(2rem,6vw,4rem)}h2{margin:0 0 12px;font-size:clamp(1.35rem,3vw,2rem)}h3{margin:0 0 8px}.lead{color:#555;max-width:780px;font-size:1.08rem}.grid{grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:16px;display:grid}.card{border:1px solid var(--line);box-shadow:var(--shadow);background:#ffffffe0;border-radius:18px;padding:20px}.card.compact{padding:16px}.button-row{flex-wrap:wrap;gap:10px;display:flex}.button,button.button{background:var(--primary2);color:#fff;cursor:pointer;border:0;border-radius:999px;justify-content:center;align-items:center;min-height:44px;padding:0 18px;font-weight:950;display:inline-flex}.button.secondary{color:#111;background:#ece8f7}.button:hover,.button:focus{filter:brightness(.96);outline:3px solid #7564b840}.badge{color:#111;background:#ddd;width:fit-content;padding:3px 8px;font-size:.78rem;font-weight:900;display:inline-flex}.badge.warning{color:#6b4200;background:#fff0c2}.muted{color:#555}.stack{gap:14px;display:grid}.section{margin-top:26px}.section-head{justify-content:space-between;align-items:end;gap:16px;margin-bottom:12px;display:flex}.list-clean{padding-left:1.2rem}.list-clean li{margin-bottom:8px}.table-wrap{border:1px solid var(--line);background:#fff;border-radius:16px;overflow-x:auto}table{border-collapse:collapse;width:100%;min-width:760px}th,td{border-bottom:1px solid var(--line);text-align:left;vertical-align:top;padding:12px}th{background:var(--paper-soft)}tr:last-child td{border-bottom:0}.calculator-form{border-top:8px solid var(--primary)!important;background:#ffffffe6!important}.calculator-form input,.calculator-form select{color:#000!important;background:#fff!important;border:2px solid #ddd7ee!important;border-radius:12px!important;font-weight:800!important}.calculator-form input:focus,.calculator-form select:focus{border-color:#7564b8!important;outline:4px solid #7564b840!important}.calculator-form .field span{color:#000!important;font-weight:950!important}.example-card code{color:#fff!important;background:#000!important;border-radius:8px!important}.input-defs dt{color:#432b82!important;font-weight:950!important}.input-defs dd{color:#222!important;font-weight:700!important}@media (width<=760px){.site-header{grid-template-columns:1fr auto;gap:10px;padding:10px 14px}.brand img{max-width:190px;height:36px}.top-search{grid-area:2/1/auto/-1;width:100%;height:42px;font-size:1.05rem}.menu-panel nav{right:0}.grid{grid-template-columns:1fr}main{width:calc(100% - 20px);padding-top:12px}.site-footer{width:calc(100% - 20px);margin-bottom:28px}.section-head{display:block}.card{padding:16px}h1{font-size:2.1rem}}