/* Brain Wellness Usa — card-catalog editorial system */
:root{
  --ink:#16232E;
  --ink-soft:#4A5A66;
  --paper:#FBFAF7;
  --panel:#F2EFE8;
  --moss:#2F6B5E;
  --moss-dark:#204A41;
  --amber:#B87A33;
  --rule:#DFDACF;
  --measure:34rem;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:"Source Sans 3","Segoe UI",Helvetica,Arial,sans-serif;
  font-size:19px;
  line-height:1.65;
  font-optical-sizing:auto;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--moss-dark);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
a:hover{color:var(--amber)}
a:focus-visible,button:focus-visible,input:focus-visible{
  outline:2px solid var(--moss);outline-offset:3px;border-radius:2px}
.wrap{width:100%;max-width:1080px;margin:0 auto;padding:0 24px}
.narrow{max-width:720px}

/* ---- catalog label: the signature device ---- */
.cat{
  font-family:"IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  font-size:.68rem;letter-spacing:.16em;text-transform:uppercase;
  color:var(--moss);font-weight:500;
}
.cat--muted{color:var(--ink-soft)}

/* ---- header ---- */
.masthead{border-bottom:1px solid var(--rule);background:var(--paper)}
.masthead__in{display:flex;align-items:center;justify-content:space-between;
  gap:24px;padding-top:18px;padding-bottom:18px;flex-wrap:wrap}
.wordmark{font-family:"Fraunces",Georgia,serif;font-weight:600;font-size:1.32rem;
  letter-spacing:-.01em;color:var(--ink);text-decoration:none;display:flex;
  align-items:baseline;gap:.5rem}
.wordmark span{font-family:"IBM Plex Mono",monospace;font-size:.7rem;color:var(--moss);
  letter-spacing:.14em}
.nav{display:flex;gap:22px;flex-wrap:wrap}
.nav a{font-size:.95rem;text-decoration:none;color:var(--ink-soft)}
.nav a:hover{color:var(--moss-dark);text-decoration:underline}

/* ---- hero ---- */
.hero{padding:72px 0 56px;border-bottom:1px solid var(--rule)}
.hero__grid{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:56px;align-items:start}
.hero h1{font-family:"Fraunces",Georgia,serif;font-weight:600;
  font-size:clamp(2.1rem,5.2vw,3.4rem);line-height:1.08;letter-spacing:-.02em;
  margin:.6rem 0 1.1rem;max-width:16ch}
.hero p{font-size:1.12rem;color:var(--ink-soft);max-width:44ch;margin:0 0 1.6rem}
.hero__card{border:1px solid var(--rule);background:var(--panel);padding:20px 22px}
.hero__card h2{font-family:"IBM Plex Mono",monospace;font-size:.68rem;letter-spacing:.16em;
  text-transform:uppercase;color:var(--moss);margin:0 0 12px;font-weight:500}
.hero__card ul{list-style:none;margin:0;padding:0}
.hero__card li{font-size:.94rem;padding:7px 0;border-bottom:1px solid var(--rule);color:var(--ink-soft)}
.hero__card li:last-child{border-bottom:0}

/* ---- index / library ---- */
.section{padding:56px 0;border-bottom:1px solid var(--rule)}
.section__head{display:flex;align-items:baseline;justify-content:space-between;
  gap:16px;margin-bottom:28px;flex-wrap:wrap}
.section__head h2{font-family:"Fraunces",Georgia,serif;font-weight:600;
  font-size:1.7rem;margin:0;letter-spacing:-.01em}
.entries{display:grid;gap:0}
.entry{display:grid;grid-template-columns:120px minmax(0,1fr);gap:28px;
  padding:24px 0;border-top:1px solid var(--rule);align-items:start}
.entry:last-child{border-bottom:1px solid var(--rule)}
.entry__meta{padding-top:5px}
.entry__meta .cat{display:block;margin-bottom:5px}
.entry__date{font-family:"IBM Plex Mono",monospace;font-size:.68rem;color:var(--ink-soft);
  letter-spacing:.05em}
.entry h3{font-family:"Fraunces",Georgia,serif;font-weight:600;font-size:1.28rem;
  line-height:1.25;margin:0 0 .45rem;letter-spacing:-.01em}
.entry h3 a{color:var(--ink);text-decoration:none}
.entry h3 a:hover{color:var(--moss-dark);text-decoration:underline}
.entry p{margin:0;color:var(--ink-soft);font-size:1rem;max-width:62ch}

/* ---- article ---- */
.article{padding:56px 0 24px}
.article__head{max-width:var(--measure);margin:0 auto 40px}
.article__head h1{font-family:"Fraunces",Georgia,serif;font-weight:600;
  font-size:clamp(1.9rem,4.4vw,2.7rem);line-height:1.13;letter-spacing:-.02em;
  margin:.7rem 0 1rem}
.dek{font-size:1.13rem;color:var(--ink-soft);margin:0 0 1.6rem}
.byline{display:flex;gap:18px;flex-wrap:wrap;padding-top:16px;border-top:1px solid var(--rule);
  font-family:"IBM Plex Mono",monospace;font-size:.7rem;letter-spacing:.07em;color:var(--ink-soft)}
.prose{max-width:var(--measure);margin:0 auto}
.prose h2{font-family:"Fraunces",Georgia,serif;font-weight:600;font-size:1.42rem;
  line-height:1.25;margin:2.4rem 0 .8rem;letter-spacing:-.01em}
.prose h3{font-family:"Fraunces",Georgia,serif;font-weight:600;font-size:1.13rem;margin:1.8rem 0 .5rem}
.prose p{margin:0 0 1.15rem}
.prose ul,.prose ol{margin:0 0 1.3rem;padding-left:1.3rem}
.prose li{margin-bottom:.55rem}
.prose strong{font-weight:600}
.callout{border-left:3px solid var(--moss);background:var(--panel);padding:18px 22px;
  margin:1.9rem 0;font-size:1rem}
.callout p:last-child{margin-bottom:0}
.callout .cat{display:block;margin-bottom:8px}

/* ---- notice boxes ---- */
.notice{border:1px solid var(--rule);background:var(--panel);padding:22px 24px;margin:44px auto 0;
  max-width:var(--measure);font-size:.95rem;color:var(--ink-soft)}
.notice .cat{display:block;margin-bottom:9px;color:var(--amber)}
.notice p:last-child{margin-bottom:0}

/* ---- related ---- */
.related{max-width:var(--measure);margin:44px auto 0;padding-top:26px;border-top:1px solid var(--rule)}
.related h2{font-family:"IBM Plex Mono",monospace;font-size:.68rem;letter-spacing:.16em;
  text-transform:uppercase;color:var(--moss);margin:0 0 14px;font-weight:500}
.related ul{list-style:none;margin:0;padding:0}
.related li{padding:9px 0;border-bottom:1px solid var(--rule)}
.related li:last-child{border-bottom:0}
.related a{text-decoration:none;color:var(--ink);font-size:1rem}
.related a:hover{color:var(--moss-dark);text-decoration:underline}

/* ---- static page ---- */
.page{padding:56px 0 24px}
.page__head{max-width:var(--measure);margin:0 auto 34px}
.page__head h1{font-family:"Fraunces",Georgia,serif;font-weight:600;
  font-size:clamp(1.9rem,4.4vw,2.6rem);line-height:1.14;margin:.7rem 0 .8rem;letter-spacing:-.02em}
.page__head .updated{font-family:"IBM Plex Mono",monospace;font-size:.7rem;
  letter-spacing:.07em;color:var(--ink-soft)}

/* ---- footer ---- */
.footer{background:var(--ink);color:#C9D2D8;padding:52px 0 34px;margin-top:64px;font-size:.93rem}
.footer a{color:#E6EBEE;text-decoration:none}
.footer a:hover{color:#fff;text-decoration:underline}
.footer__disc{border:1px solid #2C3D49;padding:20px 22px;margin-bottom:38px}
.footer__disc .cat{display:block;margin-bottom:10px;color:#9BC3B6}
.footer__disc p{margin:0 0 .8rem;color:#A9B6BF;font-size:.88rem;line-height:1.6}
.footer__disc p:last-child{margin-bottom:0}
.footer__cols{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:34px;
  padding-bottom:32px;border-bottom:1px solid #2C3D49}
.footer__brand .wordmark{color:#fff}
.footer__brand p{color:#98A6B0;font-size:.88rem;margin:14px 0 0;max-width:34ch}
.footer h4{font-family:"IBM Plex Mono",monospace;font-size:.66rem;letter-spacing:.16em;
  text-transform:uppercase;color:#9BC3B6;margin:0 0 14px;font-weight:500}
.footer ul{list-style:none;margin:0;padding:0}
.footer li{margin-bottom:9px}
.footer__legal{padding-top:24px;display:flex;justify-content:space-between;gap:24px;
  flex-wrap:wrap;font-size:.82rem;color:#8B9AA5}
.footer__legal address{font-style:normal;line-height:1.6}

@media (max-width:880px){
  .hero__grid{grid-template-columns:1fr;gap:34px}
  .footer__cols{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:620px){
  body{font-size:18px}
  .hero{padding:48px 0 40px}
  .entry{grid-template-columns:1fr;gap:10px}
  .entry__meta{display:flex;gap:14px;align-items:baseline;padding-top:0}
  .entry__meta .cat{margin-bottom:0}
  .footer__cols{grid-template-columns:1fr}
  .masthead__in{gap:14px}
  .nav{gap:16px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}