:root{
  --bg: #F4F7F5;
  --bg-panel: #FFFFFF;
  --ink: #16211D;
  --ink-soft: #56645D;
  --line: #DCE6E0;
  --teal: #1E4B41;
  --teal-soft: #E4EEE9;
  --coral: #E8683F;
  --under: #4C8FD1;
  --healthy: #2E9165;
  --over: #C98A2E;
  --obese: #C24F3F;
  --radius: 18px;
}
*{box-sizing:border-box;}
html,body{margin:0;padding:0;}
body{
  background:var(--bg);
  color:var(--ink);
  font-family:'Inter',sans-serif;
  -webkit-font-smoothing:antialiased;
  min-height:100vh;
}
.wrap{
  max-width:760px;
  margin:0 auto;
  padding:32px 24px 80px;
}

/* Top nav */
.sitenav{
  display:flex;
  align-items:center;
  justify-content:space-between;
  margin-bottom:44px;
  padding-bottom:20px;
  border-bottom:1px solid var(--line);
}
.sitenav .brand{
  font-family:'Fraunces', serif;
  font-weight:600;
  font-size:19px;
  color:var(--teal);
  text-decoration:none;
}
.sitenav .links{
  display:flex;
  gap:22px;
}
.sitenav .links a{
  font-family:'IBM Plex Mono', monospace;
  font-size:12px;
  letter-spacing:0.06em;
  text-transform:uppercase;
  color:var(--ink-soft);
  text-decoration:none;
  border-bottom:1px solid transparent;
  padding-bottom:2px;
  transition:color .15s ease, border-color .15s ease;
}
.sitenav .links a:hover,
.sitenav .links a.active{
  color:var(--teal);
  border-color:var(--coral);
}

/* Article header */
.eyebrow{
  font-family:'IBM Plex Mono', monospace;
  font-size:12px;
  letter-spacing:0.14em;
  text-transform:uppercase;
  color:var(--coral);
  margin:0 0 14px;
}
h1{
  font-family:'Fraunces', serif;
  font-optical-sizing:auto;
  font-weight:500;
  font-size:clamp(30px,5vw,44px);
  line-height:1.08;
  letter-spacing:-0.01em;
  margin:0 0 16px;
  color:var(--teal);
}
.dek{
  font-size:17px;
  line-height:1.6;
  color:var(--ink-soft);
  max-width:56ch;
  margin:0 0 40px;
}

/* Article body */
article h2{
  font-family:'Fraunces', serif;
  font-weight:500;
  font-size:24px;
  color:var(--teal);
  margin:44px 0 16px;
}
article h3{
  font-family:'Inter',sans-serif;
  font-weight:700;
  font-size:16px;
  color:var(--ink);
  margin:28px 0 10px;
}
article p{
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  margin:0 0 18px;
}
article ul, article ol{
  margin:0 0 20px;
  padding-left:22px;
}
article li{
  font-size:16px;
  line-height:1.75;
  margin-bottom:8px;
}
article strong{
  color:var(--teal);
}

.callout{
  background:var(--teal-soft);
  border-radius:14px;
  padding:20px 22px;
  margin:28px 0;
  font-size:15px;
  line-height:1.65;
  color:var(--ink);
}
.callout strong{ color:var(--teal); }

.table-wrap{
  overflow-x:auto;
  margin:20px 0 28px;
  border:1px solid var(--line);
  border-radius:12px;
}
table{
  width:100%;
  border-collapse:collapse;
  font-size:14.5px;
}
th, td{
  text-align:left;
  padding:12px 16px;
  border-bottom:1px solid var(--line);
}
th{
  font-family:'IBM Plex Mono', monospace;
  font-size:11px;
  letter-spacing:0.06em;
  text-transform:uppercase;
  color:var(--ink-soft);
  background:var(--teal-soft);
}
tr:last-child td{ border-bottom:none; }

.cta{
  display:inline-block;
  margin-top:8px;
  background:var(--teal);
  color:#fff;
  text-decoration:none;
  font-weight:600;
  font-size:14.5px;
  padding:13px 22px;
  border-radius:999px;
  transition:background .15s ease;
}
.cta:hover{ background:#173a32; }

.related{
  margin-top:56px;
  padding-top:28px;
  border-top:1px solid var(--line);
}
.related .eyebrow{ margin-bottom:16px; }
.related-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:16px;
}
.related-card{
  display:block;
  background:var(--bg-panel);
  border:1px solid var(--line);
  border-radius:14px;
  padding:18px 20px;
  text-decoration:none;
  transition:border-color .15s ease;
}
.related-card:hover{ border-color:var(--teal); }
.related-card .k{
  font-family:'IBM Plex Mono', monospace;
  font-size:10.5px;
  letter-spacing:0.06em;
  text-transform:uppercase;
  color:var(--coral);
  display:block;
  margin-bottom:6px;
}
.related-card .t{
  font-family:'Fraunces', serif;
  font-weight:500;
  font-size:16px;
  color:var(--ink);
}

footer.sitefoot{
  margin-top:56px;
  font-size:12.5px;
  color:var(--ink-soft);
  text-align:center;
  line-height:1.6;
}

@media (max-width:560px){
  .related-grid{ grid-template-columns:1fr; }
  .sitenav .links{ gap:14px; }
}