:root{
  --max: 980px;
  --text: #111827;
  --muted: #6b7280;
  --border: #e5e7eb;
  --bg: #ffffff;
  --soft: #f9fafb;
  --link: #0f172a;
}

*{ box-sizing: border-box; }
body{
  margin:0;
  font-family: system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;
  line-height:1.55;
  color: var(--text);
  background: var(--bg);
}
a{ color: var(--link); }
a:hover{ text-decoration: underline; }

.wrap{ max-width: var(--max); margin:0 auto; padding: 18px; }
header{ border-bottom:1px solid var(--border); background: var(--bg); position: sticky; top:0; z-index: 10; }
.brand{ display:flex; align-items:baseline; gap:10px; }
.brand strong{ font-size: 18px; }
.brand span{ color: var(--muted); font-size: 14px; }

nav{ margin-top:10px; display:flex; gap:14px; flex-wrap: wrap; }
nav a{ text-decoration:none; padding:8px 10px; border-radius: 10px; }
nav a.active{ background: var(--soft); border: 1px solid var(--border); }

.hero{ padding: 18px 0 6px; }
.hero h1{ margin: 6px 0 8px; font-size: 34px; line-height:1.15; }
.hero p{ margin:0 0 10px; color: var(--muted); font-size: 17px; max-width: 70ch; }

.grid{ display:grid; grid-template-columns: repeat(auto-fit, minmax(240px,1fr)); gap:14px; margin-top: 14px; }
.card{
  border:1px solid var(--border);
  border-radius: 14px;
  padding: 14px;
  background: #fff;
}
.card h2{ margin: 0 0 6px; font-size: 18px; }
.card p{ margin: 0 0 10px; color: var(--muted); }
.card ul{ margin: 8px 0 0; padding-left: 18px; color: var(--muted); }

.kicker{ font-size: 13px; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }

.btn{
  display:inline-block;
  padding: 10px 12px;
  border: 1px solid var(--text);
  border-radius: 12px;
  text-decoration:none;
  font-weight: 600;
}
.btn.soft{
  border-color: var(--border);
  background: var(--soft);
  font-weight: 600;
}

.note{
  border-left: 4px solid var(--border);
  padding: 10px 12px;
  background: var(--soft);
  border-radius: 10px;
  color: var(--muted);
}

footer{
  border-top: 1px solid var(--border);
  margin-top: 22px;
  color: var(--muted);
  font-size: 14px;
}
.small{ font-size: 13px; color: var(--muted); }
hr{ border:0; border-top:1px solid var(--border); margin: 18px 0; }

/* --- Compatibility aliases for Guides pages --- */
.container { max-width: var(--max); margin: 0 auto; padding: 18px; } /* matches .wrap */

.site-header { border-bottom:1px solid var(--border); background: var(--bg); position: sticky; top:0; z-index: 10; }
.site-footer { border-top: 1px solid var(--border); margin-top: 22px; color: var(--muted); font-size: 14px; }

.site-nav { margin-top:10px; display:flex; gap:14px; flex-wrap: wrap; }
.site-nav a { text-decoration:none; padding:8px 10px; border-radius: 10px; }
.site-nav a.active { background: var(--soft); border: 1px solid var(--border); }

.eyebrow { font-size: 13px; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); } /* like .kicker */
.lede { color: var(--muted); font-size: 17px; max-width: 70ch; }

/* Make .container behave exactly like .wrap */
.container { max-width: 980px; margin: 0 auto; padding: 18px; }

/* Force ALL main content to match Symptoms width */
main { 
  max-width: 980px; 
  margin: 0 auto; 
  padding: 18px; 
}