/* The Foot & Ankle Reference — editorial clinical reference
   Custom CSS only. No framework, no CDN stylesheet, no SRI surface.
   Content is NEVER hidden waiting on JavaScript. */

:root{
  --ink:#22262b;
  --ink-soft:#565f68;
  --ink-faint:#7d868f;
  --teal-900:#0b3c44;
  --teal-700:#12545e;
  --teal-500:#1b7480;
  --teal-100:#dbe9ea;
  --sage:#6f8f68;
  --sand:#f7f4ee;
  --sand-deep:#efe9df;
  --paper:#fffdfa;
  --rule:#ddd6ca;
  --amber:#a2661f;
  --measure:68ch;
  --radius:4px;
  --shadow:0 1px 2px rgba(34,38,43,.06);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--sand);color:var(--ink);
  font-family:"Public Sans","Helvetica Neue",Helvetica,Arial,sans-serif;
  font-size:17px;line-height:1.72;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--teal-700);text-underline-offset:2px;text-decoration-thickness:1px}
a:hover{color:var(--teal-900)}

/* ---------- notice strip ---------- */
.strip{
  background:var(--teal-900);color:#cfe0e2;
  font-size:.78rem;letter-spacing:.03em;line-height:1.5;
  padding:.5rem 0;
}
.strip strong{color:#fff;font-weight:600}

/* ---------- layout ---------- */
.wrap{width:100%;max-width:1180px;margin:0 auto;padding:0 20px}
.rail{display:grid;grid-template-columns:minmax(0,1fr);gap:0}

/* ---------- header ---------- */
.site-head{background:var(--paper);border-bottom:1px solid var(--rule)}
.head-inner{
  display:flex;flex-wrap:wrap;align-items:center;gap:.75rem 1.5rem;
  padding-top:1rem;padding-bottom:1rem;min-width:0;
}
.brand{display:flex;align-items:baseline;gap:.55rem;text-decoration:none;color:inherit;min-width:0;flex:0 1 auto}
.brand .mark{
  font-family:"Source Serif 4",Georgia,serif;font-weight:700;font-size:1.34rem;
  color:var(--teal-700);letter-spacing:-.015em;line-height:1.15;
}
.brand .sub{font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-faint);white-space:nowrap}

.nav-toggle{display:none}
.nav-label{
  display:none;margin-left:auto;border:1px solid var(--rule);border-radius:var(--radius);
  padding:.4rem .7rem;font-size:.82rem;color:var(--teal-700);cursor:pointer;background:var(--sand);
}
.site-nav{margin-left:auto;min-width:0}
.site-nav ul{
  list-style:none;display:flex;flex-wrap:wrap;gap:.15rem 1.15rem;
  margin:0;padding:0;min-width:0;
}
.site-nav a{
  display:block;padding:.3rem 0;font-size:.9rem;font-weight:500;
  color:var(--ink-soft);text-decoration:none;border-bottom:2px solid transparent;
}
.site-nav a:hover{color:var(--teal-700);border-bottom-color:var(--sage)}
.site-nav a[aria-current="page"]{color:var(--teal-900);border-bottom-color:var(--teal-700)}

/* ---------- hero ---------- */
.masthead{background:var(--paper);border-bottom:1px solid var(--rule);padding:2.6rem 0 2.1rem}
.eyebrow{
  font-size:.72rem;letter-spacing:.18em;text-transform:uppercase;
  color:var(--sage);font-weight:700;margin:0 0 .55rem;
}
h1{
  font-family:"Source Serif 4",Georgia,serif;font-weight:600;
  font-size:clamp(1.85rem,4.2vw,2.85rem);line-height:1.16;letter-spacing:-.02em;
  margin:0 0 .8rem;color:var(--teal-900);max-width:24ch;
}
.standfirst{font-size:1.06rem;color:var(--ink-soft);max-width:60ch;margin:0}

/* ---------- article ---------- */
.body-grid{display:grid;grid-template-columns:minmax(0,1fr);gap:2.5rem;padding:2.6rem 0 3.4rem}
@media(min-width:960px){.body-grid{grid-template-columns:minmax(0,1fr) 268px;gap:3.4rem}}

.prose{min-width:0;max-width:var(--measure)}
.prose h2{
  font-family:"Source Serif 4",Georgia,serif;font-weight:600;
  font-size:1.42rem;line-height:1.3;color:var(--teal-900);
  margin:2.5rem 0 .7rem;padding-top:1.2rem;border-top:1px solid var(--rule);
}
.prose h3{
  font-family:"Public Sans",sans-serif;font-weight:700;font-size:1.02rem;
  letter-spacing:.005em;color:var(--ink);margin:1.7rem 0 .4rem;
}
.prose p{margin:0 0 1.05rem}
.prose ul,.prose ol{margin:0 0 1.15rem;padding-left:1.3rem}
.prose li{margin-bottom:.5rem}
.prose li::marker{color:var(--sage)}
.prose strong{font-weight:700;color:var(--ink)}
.prose em{font-style:italic}
.prose > p:first-of-type{font-size:1.06rem;color:var(--ink-soft)}

figure{margin:1.9rem 0;background:var(--paper);border:1px solid var(--rule);border-radius:var(--radius);overflow:hidden}
figure img{width:100%}
figcaption{
  font-size:.79rem;color:var(--ink-faint);padding:.6rem .85rem;
  border-top:1px solid var(--rule);background:var(--sand-deep);
}
.figure-lead{margin-top:0}

/* ---------- sidebar ---------- */
.side{min-width:0;font-size:.9rem}
@media(min-width:960px){.side{position:sticky;top:1.4rem;align-self:start}}
.side-block{background:var(--paper);border:1px solid var(--rule);border-radius:var(--radius);padding:1.1rem 1.15rem;margin-bottom:1.3rem}
.side-block h2{
  font-family:"Public Sans",sans-serif;font-size:.72rem;letter-spacing:.15em;text-transform:uppercase;
  color:var(--ink-faint);margin:0 0 .7rem;font-weight:700;border:0;padding:0;
}
.side-block ul{list-style:none;margin:0;padding:0}
.side-block li{margin-bottom:.45rem;line-height:1.45}
.side-block a{text-decoration:none;color:var(--teal-700)}
.side-block a:hover{text-decoration:underline}
.callout{background:var(--teal-100);border:1px solid #bcd4d6;border-left:3px solid var(--teal-700)}
.callout h2{color:var(--teal-900)}
.callout p{margin:0;font-size:.87rem;color:#20444a;line-height:1.55}

/* ---------- footer ---------- */
.site-foot{background:var(--teal-900);color:#b9cdd0;padding:2.8rem 0 2rem;font-size:.88rem}
.foot-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1.8rem 2rem}
.site-foot h2{
  font-size:.71rem;letter-spacing:.15em;text-transform:uppercase;color:#7fa3a8;
  margin:0 0 .6rem;font-weight:700;
}
.site-foot ul{list-style:none;margin:0;padding:0}
.site-foot li{margin-bottom:.35rem;line-height:1.45}
.site-foot a{color:#dcebed;text-decoration:none}
.site-foot a:hover{text-decoration:underline;color:#fff}
.foot-legal{
  margin-top:2.2rem;padding-top:1.3rem;border-top:1px solid #1c5560;
  font-size:.8rem;color:#8fb0b4;line-height:1.6;
}
.foot-legal p{margin:0 0 .5rem;max-width:78ch}
.foot-legal strong{color:#cfe0e2}

/* ---------- 404 ---------- */
.mid{padding:4rem 0;text-align:center}
.mid h1{margin-left:auto;margin-right:auto;max-width:100%}
.mid .standfirst{margin:0 auto 1.6rem}
.btn{
  display:inline-block;background:var(--teal-700);color:#fff;text-decoration:none;
  padding:.65rem 1.3rem;border-radius:var(--radius);font-weight:600;font-size:.94rem;
}
.btn:hover{background:var(--teal-900);color:#fff}

/* ---------- small screens ---------- */
@media(max-width:767px){
  body{font-size:16px}
  .nav-label{display:block}
  .site-nav{flex-basis:100%;margin-left:0;max-height:0;overflow:hidden;transition:max-height .2s ease}
  .nav-toggle:checked ~ .site-nav{max-height:32rem}
  .site-nav ul{flex-direction:column;gap:0;padding-top:.5rem;border-top:1px solid var(--rule);margin-top:.3rem}
  .site-nav li{border-bottom:1px solid var(--sand-deep)}
  .site-nav a{padding:.62rem 0;font-size:.95rem;border-bottom:0}
  h1{max-width:100%}
  .masthead{padding:2rem 0 1.6rem}
}
@media(min-width:768px){.nav-toggle,.nav-label{display:none}}

/* Safeguard: nothing on this site may depend on JS to become visible. */
[data-aos],[data-reveal]{opacity:1 !important;transform:none !important;visibility:visible !important}