/* BVS v10 chrome (header, menus, footer) for legacy tool pages — generated from b10.css 14-Oct-2026 */
:root{
.hdr .btn,.sheet .btn,.ftr .btn{white-space:nowrap;display:inline-flex;align-items:center;gap:10px;font:600 15px/1 var(--sans);padding:16px 22px;border-radius:999px;text-decoration:none;border:1px solid transparent;transition:background .25s var(--ease),color .25s var(--ease),border-color .25s,transform .25s var(--ease);cursor:pointer}
.hdr .btn .ar,.sheet .btn .ar,.ftr .btn .ar{transition:transform .25s var(--ease)}
.hdr .btn:hover .ar,.sheet .btn:hover .ar,.ftr .btn:hover .ar{transform:translateX(4px)}
.hdr .btn-pri,.sheet .btn-pri,.ftr .btn-pri{background:var(--navy);color:#fff}
.hdr .btn-pri:hover,.sheet .btn-pri:hover,.ftr .btn-pri:hover{background:var(--ink)}
.hdr .btn-ghost,.sheet .btn-ghost,.ftr .btn-ghost{border-color:var(--line);color:var(--ink);background:transparent}
.hdr .btn-ghost:hover,.sheet .btn-ghost:hover,.ftr .btn-ghost:hover{border-color:var(--ink)}
.hdr .btn-light,.sheet .btn-light,.ftr .btn-light{background:#fff;color:var(--ink)}
.hdr .btn-light:hover,.sheet .btn-light:hover,.ftr .btn-light:hover{background:var(--stone)}
.hdr .btn-line-light,.sheet .btn-line-light,.ftr .btn-line-light{border-color:rgba(255,255,255,.45);color:#fff}
.hdr .btn-line-light:hover,.sheet .btn-line-light:hover,.ftr .btn-line-light:hover{border-color:#fff}
.util .wrap,.hdr .wrap,.ftr .wrap,.sheet .wrap{max-width:var(--w);margin:0 auto;padding:0 var(--gut)}
  --ink:#121433; --navy:#202048; --night:#0C0E2A; --text:#2B2F45; --muted:#5E6476;
  --paper:#F7F5F0; --stone:#EDE9E0; --line:#DCD6CA; --white:#fff;
  --brass:#8A6D3F; --brass-2:#B8955A; --blue:#0B6EA8; --sky:#5FB4E6; --ok:#2F6B4F;
  --serif:"Source Serif 4",Georgia,"Times New Roman",serif;
  --sans:"Inter",system-ui,-apple-system,"Segoe UI",Arial,sans-serif;
  --w:1240px; --gut:clamp(20px,4vw,48px); --r:10px;
  --s1:8px;--s2:16px;--s3:24px;--s4:40px;--s5:64px;--s6:96px;--s7:136px;
  --ease:cubic-bezier(.2,.7,.1,1);
}
.skip{position:absolute;left:-999px;top:8px;background:var(--ink);color:#fff;padding:10px 14px;border-radius:6px;z-index:100}
.skip:focus{left:8px}
.util{background:var(--night);color:#C9CCDA;font:500 12.5px/1 var(--sans)}
.util .wrap{display:flex;justify-content:space-between;align-items:center;height:36px;gap:16px}
.util a{color:#E6E8F2;text-decoration:none}
.util a:hover{color:#fff}
.util .sep{opacity:.35;margin:0 10px}
.hdr{position:sticky;top:0;z-index:50;background:rgba(247,245,240,.92);backdrop-filter:saturate(1.4) blur(12px);-webkit-backdrop-filter:saturate(1.4) blur(12px);border-bottom:1px solid transparent;transition:border-color .3s,box-shadow .3s}
.hdr.scrolled{border-color:var(--line);box-shadow:0 6px 24px rgba(18,20,51,.05)}
.hdr .wrap{display:flex;align-items:center;justify-content:space-between;height:76px;gap:24px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink)}
.logo svg{width:34px;height:34px;flex:none}
.logo b{font:800 22px/1 var(--sans);letter-spacing:-.01em;display:block}
.logo small{display:block;font:600 8.5px/1 var(--sans);letter-spacing:.24em;color:var(--blue);margin-top:4px}
.nav{display:flex;align-items:center;gap:4px}
.nav>li{list-style:none;position:relative}
.nav{margin:0;padding:0}
.nav>li>a,.nav>li>button{white-space:nowrap;font:500 15px/1 var(--sans);color:var(--ink);text-decoration:none;background:none;border:0;padding:12px 14px;border-radius:999px;cursor:pointer;display:flex;align-items:center;gap:6px}
.nav>li>a:hover,.nav>li>button:hover,.nav>li.open>button{background:rgba(18,20,51,.06)}
.nav .chev{width:9px;height:9px;transition:transform .25s}
.nav li.open .chev{transform:rotate(180deg)}
.mega{position:absolute;top:calc(100% + 10px);left:-12px;min-width:520px;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:0 30px 60px -20px rgba(18,20,51,.25);padding:22px;display:grid;grid-template-columns:1fr 1fr;gap:6px 22px;opacity:0;visibility:hidden;transform:translateY(-6px);transition:opacity .2s,transform .25s var(--ease),visibility .2s}
.nav li.open .mega{opacity:1;visibility:visible;transform:none}
.mega a{display:block;text-decoration:none;padding:10px 12px;border-radius:10px;color:var(--ink)}
.mega a:hover{background:var(--paper)}
.mega a b{display:block;font:600 15px/1.3 var(--sans)}
.mega a span{display:block;font-size:13px;color:var(--muted);line-height:1.4;margin-top:3px}
.mega .feat{grid-row:span 3;background:var(--ink);color:#fff;border-radius:12px;padding:18px;display:flex;flex-direction:column;justify-content:flex-end;min-height:180px;background-size:cover;background-position:center;position:relative;overflow:hidden}
.mega .feat::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(12,14,42,.1),rgba(12,14,42,.85))}
.mega .feat>*{position:relative}
.mega .feat b{color:#fff;font:600 18px/1.25 var(--serif)}
.mega .feat span{color:#DADDE8}
.hdr-cta{display:flex;align-items:center;gap:10px}
.icon-btn{width:42px;height:42px;border-radius:50%;display:grid;place-items:center;border:1px solid var(--line);background:transparent;color:var(--ink);cursor:pointer;text-decoration:none}
.icon-btn:hover{border-color:var(--ink)}
.burger{display:none}
@media (max-width:1080px){.nav,.hdr-cta .btn-ghost,.hdr-cta .hide-md{display:none}
.burger{display:grid}}
.sheet{position:fixed;inset:0;z-index:80;background:var(--night);color:#fff;display:flex;flex-direction:column;padding:20px var(--gut) 28px;transform:translateY(-102%);transition:transform .45s var(--ease);overflow:auto}
.sheet.open{transform:none}
.sheet header{display:flex;justify-content:space-between;align-items:center;margin-bottom:28px}
.sheet .logo{color:#fff}
.ftr .logo rect,.sheet .logo rect{fill:#fff}
.ftr .logo path,.sheet .logo path{stroke:#202048}
.sheet nav a{display:flex;justify-content:space-between;align-items:center;color:#fff;text-decoration:none;font:600 26px/1.15 var(--serif);padding:14px 0;border-bottom:1px solid rgba(255,255,255,.12)}
.sheet nav a small{font:500 13px var(--sans);color:#AEB3C9}
.sheet .foot{margin-top:auto;padding-top:24px;display:grid;gap:12px}
.sheet .icon-btn{border-color:rgba(255,255,255,.3);color:#fff}
.ftr{background:var(--night);color:#AEB3C9;padding:var(--s6) 0 var(--s4);font-size:15px}
.ftr .top{display:grid;grid-template-columns:1.4fr repeat(4,1fr);gap:32px;padding-bottom:var(--s5);border-bottom:1px solid rgba(255,255,255,.1)}
.ftr .logo{color:#fff}
.ftr h4{font:600 12px/1 var(--sans);letter-spacing:.14em;text-transform:uppercase;color:#fff;margin:6px 0 18px}
.ftr ul{margin:0;padding:0}
.ftr li{list-style:none;margin:0 0 10px}
.ftr a{color:#C9CCDA;text-decoration:none}
.ftr a:hover{color:#fff}
.ftr .bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-top:24px;font-size:13px}
.ftr .tagline{font:500 22px/1.3 var(--serif);color:#fff;margin:22px 0 14px;max-width:15em}
@media (max-width:1080px){.ftr .top{grid-template-columns:1fr 1fr}}
@media (max-width:760px){.util{display:none}
.hdr .wrap{height:64px;gap:10px}
.hdr-cta .btn-pri{padding:12px 16px;font-size:14px}
.logo small{white-space:nowrap;letter-spacing:.18em}
.logo svg{width:30px;height:30px}
.ftr .top{grid-template-columns:1fr}}
.hdr,.util,.ftr,.sheet{font-family:var(--sans)}.ftr{margin-top:0}.hdr{position:sticky;top:0;z-index:60}body.v10c .bvs-ticker,body.v10c header.mast,body.v10c > .status{display:none!important}body.v10c > footer:not(.ftr){display:none!important}/*links*/body.v10c .hdr a,body.v10c .hdr button{color:var(--ink);text-decoration:none}body.v10c .hdr .logo b{color:var(--ink)}body.v10c .hdr .logo small{color:var(--blue)}body.v10c .hdr .btn-pri{color:#fff}body.v10c .mega a{color:var(--ink)}body.v10c .mega a span{color:var(--muted)}body.v10c .mega a.feat,body.v10c .mega a.feat b,body.v10c .mega a.feat span{color:#fff}body.v10c .util a{color:rgba(255,255,255,.8);text-decoration:none}body.v10c .ftr a{color:rgba(255,255,255,.78);text-decoration:none}body.v10c .ftr h4{color:#fff}body.v10c .ftr .logo b{color:#fff}body.v10c .sheet a{color:#fff;text-decoration:none}