/* Surgeon fleet, house language "Instrument": white / black / grey + ONE signal colour per niche (--brand), hairlines, no radii, no shadows.
   Display serif uses a system serif stack (no third-party font loads: privacy + speed). WCAG 2.2 AA: text >= 4.5:1, 3px focus ring, targets >= 44px, reduced motion. */
:root{--ink:#111;--ink2:#3a3d42;--muted:#555b63;--line:#d4d7db;--bg:#fff;--alt:#f4f5f6;--brand:#0b6b5d;--brand2:#08493f;--focus:#0b57d0;--max:1120px;--serif:"Instrument Serif",Georgia,"Times New Roman",serif;--sans:Geist,system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}
body{margin:0;font:16px/1.65 var(--sans);color:var(--ink);background:var(--bg)}
img{max-width:100%;height:auto}a{color:var(--brand)}a:hover{color:var(--brand2)}
:focus-visible{outline:3px solid var(--focus);outline-offset:2px}
.wrap{max-width:var(--max);margin:0 auto;padding:0 20px}.wrap--narrow{max-width:760px}
.skip{position:absolute;left:8px;top:-60px;background:var(--ink);color:#fff;padding:10px 16px;z-index:10}.skip:focus{top:8px}
main:focus{outline:none}
.disc-bar{margin:0;background:var(--ink);color:#fff;font-size:.85rem;padding:8px 20px;text-align:center}
.top{border-bottom:1px solid var(--line);background:#fff}
.top__in{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;min-height:72px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--ink);min-height:44px}
.brand__mark{width:14px;height:28px;background:var(--brand);flex:none}
.brand__stack{display:flex;flex-direction:column;line-height:1.1}.brand__name{font:400 1.45rem var(--serif)}.brand__sub{font-size:.78rem;color:var(--muted);letter-spacing:.04em;text-transform:uppercase}
.nav{display:flex;align-items:center;gap:4px;flex-wrap:wrap}
.nav a{display:inline-flex;align-items:center;min-height:44px;padding:0 10px;color:var(--ink);text-decoration:none;font-weight:500}
.nav a:hover,.nav a[aria-current="page"]{text-decoration:underline;text-underline-offset:4px;text-decoration-color:var(--brand)}
.langs{display:inline-flex;align-items:center;border:1px solid var(--line);margin-left:6px}.langs a{min-width:44px;justify-content:center;padding:0 8px}
.langs a[aria-current="true"]{background:var(--ink);color:#fff;text-decoration:none}.langs span{color:var(--muted)}
.crumbs ol{list-style:none;display:flex;flex-wrap:wrap;gap:6px;padding:12px 0 0;margin:0;font-size:.9rem}.crumbs li+li:before{content:"/";margin-right:6px;color:var(--muted)}
h1,h2,h3{font-family:var(--serif);font-weight:400;line-height:1.12;color:var(--ink)}
h1{font-size:clamp(2.2rem,5vw,3.6rem);margin:.2em 0 .35em}h2{font-size:clamp(1.6rem,3vw,2.2rem);margin:1.4em 0 .4em}h3{font-size:1.35rem;margin:0 0 .4em}
.hero{padding:56px 0 40px;border-bottom:1px solid var(--line)}.eyebrow{font-size:.8rem;letter-spacing:.08em;text-transform:uppercase;color:var(--brand);font-weight:600;margin:0}
.lede{font-size:1.2rem;color:var(--ink2);max-width:62ch}.muted{color:var(--muted)}.small{font-size:.88rem}
.sec{padding:44px 0}.sec--alt{background:var(--alt);border-block:1px solid var(--line)}
.prose{max-width:760px}.prose h2{border-top:1px solid var(--line);padding-top:.8em}
.cards{list-style:none;margin:20px 0 0;padding:0;display:grid;gap:0;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));border-top:1px solid var(--line);border-left:1px solid var(--line)}
.cards li{border-right:1px solid var(--line);border-bottom:1px solid var(--line)}.cards a{display:block;padding:22px;color:inherit;text-decoration:none;height:100%}.cards a:hover{background:var(--alt)}.cards p{margin:0;color:var(--ink2)}
.checks{padding-left:1.1em}.checks li{margin:.5em 0}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 22px;background:var(--brand);color:#fff;border:1px solid var(--brand);font:600 1rem var(--sans);text-decoration:none;cursor:pointer}
.btn:hover{background:var(--brand2);color:#fff}.btn--ghost{background:#fff;color:var(--brand)}.btn--ghost:hover{background:var(--alt);color:var(--brand2)}.btn--big{min-height:52px;padding:0 30px}
.cta-row{display:flex;flex-wrap:wrap;gap:12px;margin:24px 0}
.callout{border-left:4px solid var(--brand);background:var(--alt);padding:12px 16px}
.sponsorbox{border:1px solid var(--ink);padding:24px;background:#fff}.sponsorbox h2{margin-top:0}
.formsec{padding:48px 0;background:var(--alt);border-top:1px solid var(--line)}
.field{margin:0 0 16px}.field label{display:block;font-weight:600;margin-bottom:6px}.req{font-weight:400;color:var(--muted)}
input,select,textarea{width:100%;min-height:44px;padding:9px 12px;border:1px solid #767b82;background:#fff;color:var(--ink);font:inherit;border-radius:0}
.grid2{display:grid;gap:0 20px;grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}.hint{font-size:.88rem;color:var(--muted);margin:-6px 0 16px}
.consent{display:flex;gap:10px;align-items:flex-start;margin:12px 0}.consent input{width:24px;min-height:24px;margin-top:3px;flex:none}.consent label{font-size:.9rem}
.notice{font-size:.88rem;color:var(--ink2)}.alert{border:1px solid #b3261e;background:#fdecea;color:#7a1710;padding:10px 14px;margin:0 0 16px}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.foot{border-top:1px solid var(--ink);background:#fff;padding:32px 0 40px;font-size:.92rem;color:var(--ink2)}
.foot__nav{display:flex;flex-wrap:wrap;gap:4px 18px;margin:16px 0}.foot__nav a{display:inline-flex;align-items:center;min-height:44px}
.footer-shak{display:inline-block;margin-top:8px}.footer-shak img{display:block}
.blogart img,.blogidx img{max-width:100%}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
@media (max-width:640px){.hero{padding:36px 0 28px}.top__in{padding-block:8px}}