/* Nubellum shared design system.
   Cream + gold, Inter + Fraunces. Used by the content pages
   (clinicians, families, science, about, stories). The home and
   product pages keep their own inline CSS for now. */

:root{
  --bg:#FCFAF5; --bg-soft:#F5EFE2; --paper:#FFFFFF;
  --ink:#1C1A14; --text:#3A372E; --muted:#736E60; --light:#A39C8C;
  --line:#E9E1D0;
  --gold:#B58A36; --gold-bright:#E6C06C; --gold-deep:#8C6722; --gold-wash:#FBF4E2;
  --sage:#5E8A6E; --sage-wash:#EDF3EE;
  --ink-deep:#15130E;
  --radius:18px; --radius-sm:12px; --radius-pill:999px;
  --shadow-sm:0 1px 2px rgba(28,26,20,.05), 0 6px 18px -12px rgba(28,26,20,.18);
  --shadow:0 18px 48px -28px rgba(28,26,20,.42);
  --maxw:1180px; --readw:720px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  background:var(--bg); color:var(--text);
  line-height:1.65; -webkit-font-smoothing:antialiased; font-size:17px;
}
.serif{font-family:'Fraunces',Georgia,'Times New Roman',serif;}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px}
.read{max-width:var(--readw);margin:0 auto;padding:0 28px}

/* header / nav */
header{
  position:sticky; top:0; z-index:50;
  background:rgba(252,250,245,.86); backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;justify-content:space-between;height:70px;}
.brand{display:flex;align-items:center;gap:12px;}
.brand-logo{height:30px;width:auto;display:block;}
.nav-links{display:flex;align-items:center;gap:28px;}
.nav-links a{font-size:14.5px;color:var(--muted);font-weight:500;transition:color .15s;}
.nav-links a:hover{color:var(--ink);}
.nav-links a.active{color:var(--gold-deep);}

/* buttons */
.btn{
  display:inline-flex;align-items:center;gap:9px;font-weight:600;font-size:15px;
  border-radius:var(--radius-pill);padding:12px 22px;cursor:pointer;border:none;
  transition:transform .15s ease, box-shadow .15s ease, background .15s ease, border-color .15s ease;
  white-space:nowrap;
}
.btn svg{flex:none;}
.btn-gold{
  background:linear-gradient(135deg, var(--gold-bright), var(--gold));
  color:#2a1f04; box-shadow:0 12px 28px -12px rgba(181,138,54,.85);
}
.btn-gold:hover{transform:translateY(-1px);box-shadow:0 16px 34px -12px rgba(181,138,54,.95);}
.btn-outline{background:transparent;color:var(--ink);border:1.5px solid var(--line);}
.btn-outline:hover{border-color:var(--gold);color:var(--gold-deep);}
.btn-light{background:rgba(255,255,255,.10);color:#fff;border:1.5px solid rgba(255,255,255,.34);}
.btn-light:hover{background:rgba(255,255,255,.16);border-color:rgba(255,255,255,.6);}
.nav .btn{padding:10px 18px;font-size:14px;}

/* page hero (light) */
.page-hero{padding:84px 0 56px;border-bottom:1px solid var(--line);background:var(--bg-soft);}
.page-hero .eyebrow,.eyebrow{
  display:inline-flex;align-items:center;gap:10px;font-size:12.5px;font-weight:600;
  letter-spacing:.16em;text-transform:uppercase;color:var(--gold-deep);margin-bottom:18px;
}
h1.page-title{
  font-family:'Fraunces',serif;font-weight:500;color:var(--ink);
  font-size:clamp(36px,4.6vw,56px);line-height:1.06;letter-spacing:-.015em;margin-bottom:20px;max-width:880px;
}
.page-lead{font-size:19px;line-height:1.6;color:var(--muted);max-width:680px;}

/* dark hero variant */
.page-hero.dark{
  background:
    radial-gradient(1100px 600px at 80% -10%, rgba(230,192,108,.26) 0%, transparent 55%),
    linear-gradient(160deg, #1d1a12 0%, #15130d 60%, #100e09 100%);
  color:#F4EEDD;border-bottom:none;
}
.page-hero.dark h1.page-title{color:#fff;}
.page-hero.dark .page-lead{color:#D7CFBC;}
.page-hero.dark .eyebrow{color:var(--gold-bright);}

/* sections */
section{padding:80px 0;}
.sec-label{font-size:12.5px;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--gold-deep);margin-bottom:16px;}
h2.sec-title{font-family:'Fraunces',serif;font-weight:500;color:var(--ink);font-size:clamp(28px,3.4vw,42px);line-height:1.12;letter-spacing:-.01em;margin-bottom:18px;}
h3.sub-title{font-family:'Fraunces',serif;font-weight:600;color:var(--ink);font-size:24px;line-height:1.2;margin-bottom:10px;}
.sec-intro{font-size:18.5px;color:var(--muted);max-width:680px;}
.center{text-align:center;}
.center .sec-intro,.center .page-lead{margin-left:auto;margin-right:auto;}
.soft{background:var(--bg-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}

/* prose (article / long-form body) */
.prose{max-width:var(--readw);margin:0 auto;}
.prose > * + *{margin-top:22px;}
.prose p{font-size:18px;line-height:1.72;color:var(--text);}
.prose h2{font-family:'Fraunces',serif;font-weight:500;color:var(--ink);font-size:30px;line-height:1.18;margin-top:52px;letter-spacing:-.01em;}
.prose h3{font-family:'Fraunces',serif;font-weight:600;color:var(--ink);font-size:22px;margin-top:38px;}
.prose ul,.prose ol{padding-left:24px;}
.prose li{font-size:18px;line-height:1.7;color:var(--text);margin-top:8px;}
.prose li::marker{color:var(--gold);}
.prose a{color:var(--gold-deep);border-bottom:1px solid var(--line);transition:border-color .15s;}
.prose a:hover{border-color:var(--gold);}
.prose blockquote{
  font-family:'Fraunces',serif;font-weight:500;font-size:24px;line-height:1.35;color:var(--ink);
  border-left:3px solid var(--gold);padding:4px 0 4px 24px;font-style:italic;
}
.prose strong{color:var(--ink);font-weight:600;}

/* feature grid + cards */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:26px;}
.card{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);
  padding:32px 30px;box-shadow:var(--shadow-sm);transition:transform .18s ease, box-shadow .18s ease;
}
.card.hover:hover{transform:translateY(-3px);box-shadow:var(--shadow);}
.card .ico{
  width:50px;height:50px;border-radius:13px;display:flex;align-items:center;justify-content:center;
  background:var(--gold-wash);color:var(--gold-deep);margin-bottom:18px;
}
.card .kicker{font-size:12.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--gold-deep);font-weight:600;margin-bottom:10px;}
.card h3{font-family:'Fraunces',serif;font-weight:600;font-size:21px;color:var(--ink);margin-bottom:8px;}
.card p{font-size:15.5px;color:var(--muted);line-height:1.62;}

/* numbered steps */
.steps{display:flex;flex-direction:column;gap:18px;counter-reset:step;}
.step{display:flex;gap:20px;align-items:flex-start;padding:24px 26px;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);}
.step .num{
  flex:none;width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  background:var(--gold-wash);color:var(--gold-deep);font-family:'Fraunces',serif;font-weight:600;font-size:18px;
}
.step h3{font-family:'Fraunces',serif;font-weight:600;font-size:20px;color:var(--ink);margin-bottom:5px;}
.step p{font-size:15.5px;color:var(--muted);line-height:1.6;}

/* callout / claim-discipline note */
.note{
  font-size:14.5px;color:var(--muted);background:var(--sage-wash);
  border:1px solid #D6E5DA;border-left:3px solid var(--sage);border-radius:var(--radius-sm);
  padding:18px 22px;max-width:760px;
}
.note b{color:var(--sage);}
.note.gold{background:var(--gold-wash);border-color:#EAD9AE;border-left-color:var(--gold);}
.note.gold b{color:var(--gold-deep);}

/* stat row */
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
.stat .n{font-family:'Fraunces',serif;font-weight:600;font-size:38px;color:var(--gold-deep);line-height:1;margin-bottom:10px;}
.stat h4{font-size:16px;font-weight:700;color:var(--ink);margin-bottom:6px;}
.stat p{font-size:14.5px;color:var(--muted);line-height:1.6;}

/* citation list (science page) */
.cites{display:flex;flex-direction:column;gap:0;max-width:840px;margin:0 auto;}
.cite{padding:24px 0;border-top:1px solid var(--line);display:grid;grid-template-columns:120px 1fr;gap:24px;align-items:start;}
.cite:first-child{border-top:none;}
.cite .tag{font-size:12px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--gold-deep);padding-top:3px;}
.cite h3{font-family:'Fraunces',serif;font-weight:600;font-size:19px;color:var(--ink);margin-bottom:6px;line-height:1.3;}
.cite p{font-size:15.5px;color:var(--muted);line-height:1.6;}
.cite .src{font-size:13.5px;color:var(--light);margin-top:8px;font-style:italic;}

/* persona / path cards */
.paths{display:grid;grid-template-columns:1fr 1fr;gap:22px;}
.path-card{
  display:flex;flex-direction:column;gap:14px;padding:34px 32px;border:1px solid var(--line);
  border-radius:var(--radius);background:var(--paper);box-shadow:var(--shadow-sm);transition:transform .18s, box-shadow .18s, border-color .18s;
}
.path-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:var(--gold);}
.path-card .ico{width:48px;height:48px;border-radius:12px;background:var(--gold-wash);color:var(--gold-deep);display:flex;align-items:center;justify-content:center;}
.path-card h3{font-family:'Fraunces',serif;font-weight:600;font-size:23px;color:var(--ink);}
.path-card p{font-size:16px;color:var(--muted);line-height:1.62;flex:1;}
.path-card .go{font-weight:600;font-size:15px;color:var(--gold-deep);display:inline-flex;align-items:center;gap:8px;}

/* cta bookend (dark) */
.cta-end{
  background:
    radial-gradient(900px 500px at 80% -20%, rgba(230,192,108,.26) 0%, transparent 55%),
    linear-gradient(160deg, #1d1a12 0%, #110f0a 100%);
  color:#F2EBD9;text-align:center;
}
.cta-badge{
  display:inline-flex;align-items:center;gap:9px;font-size:13px;font-weight:700;letter-spacing:.04em;
  color:#2a1f04;background:linear-gradient(135deg,var(--gold-bright),var(--gold));
  border-radius:var(--radius-pill);padding:8px 17px;margin-bottom:22px;
}
.cta-end h2{font-family:'Fraunces',serif;font-weight:500;font-size:clamp(30px,3.8vw,46px);color:#fff;line-height:1.12;letter-spacing:-.01em;margin-bottom:18px;}
.cta-end p{font-size:18px;color:#CFC6B0;max-width:560px;margin:0 auto 34px;}
.cta-row{display:flex;gap:14px;flex-wrap:wrap;justify-content:center;align-items:center;}

/* stories index */
.story-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;}
.story{display:flex;flex-direction:column;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--paper);box-shadow:var(--shadow-sm);transition:transform .18s, box-shadow .18s;}
.story:hover{transform:translateY(-3px);box-shadow:var(--shadow);}
.story .thumb{aspect-ratio:1200/630;background:radial-gradient(600px 360px at 30% 20%, rgba(230,192,108,.4),transparent 60%),linear-gradient(160deg,#1d1a12,#100e09);}
.story .body{padding:24px 24px 28px;}
.story .meta{font-size:12.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--gold-deep);font-weight:600;margin-bottom:10px;}
.story h3{font-family:'Fraunces',serif;font-weight:600;font-size:20px;color:var(--ink);line-height:1.25;margin-bottom:8px;}
.story p{font-size:15px;color:var(--muted);line-height:1.6;}
.story.is-hidden{display:none;}
.more-row{display:flex;justify-content:center;margin-top:48px;}
.btn-more{display:inline-flex;align-items:center;gap:10px;padding:14px 30px;border-radius:999px;
  font-size:15px;font-weight:600;color:var(--gold-deep);background:var(--paper);
  border:1.5px solid var(--line);box-shadow:var(--shadow-sm);cursor:pointer;
  transition:transform .18s, box-shadow .18s, border-color .18s, color .18s;}
.btn-more:hover{transform:translateY(-2px);box-shadow:var(--shadow);border-color:var(--gold);}
.btn-more svg{flex:none;transition:transform .18s;}
.btn-more:hover svg{transform:translateY(2px);}
.more-count{color:var(--muted);font-weight:500;}

/* footer */
footer{background:var(--ink-deep);color:#9A917C;padding:54px 0 40px;}
.foot-top{display:flex;justify-content:space-between;gap:40px;flex-wrap:wrap;padding-bottom:30px;border-bottom:1px solid rgba(255,255,255,.08);}
.foot-brand{display:flex;align-items:center;gap:12px;margin-bottom:14px;}
.foot-logo{height:28px;width:auto;display:block;}
.foot-tagline{font-family:'Fraunces',serif;font-style:italic;color:var(--gold-bright);font-size:16px;}
.foot-links{display:flex;gap:48px;flex-wrap:wrap;}
.foot-col h5{font-size:12.5px;letter-spacing:.1em;text-transform:uppercase;color:#C7BC9F;margin-bottom:14px;font-weight:600;}
.foot-col a{display:block;font-size:14.5px;color:#9A917C;margin-bottom:9px;transition:color .15s;}
.foot-col a:hover{color:#F1EAD8;}
.foot-fine{padding-top:26px;font-size:13px;color:#7C745F;line-height:1.7;max-width:880px;}

@media (max-width:900px){
  .grid-3,.grid-2,.stats,.story-grid,.paths{grid-template-columns:1fr;}
  .nav{flex-wrap:wrap;height:auto;padding-top:14px;padding-bottom:12px;row-gap:10px;}
  .nav-links{order:3;flex-basis:100%;justify-content:center;flex-wrap:wrap;gap:8px 20px;}
  section{padding:60px 0;}
  .page-hero{padding:60px 0 44px;}
  .cite{grid-template-columns:1fr;gap:8px;}
  .cite .tag{padding-top:0;}
}

/* blog prev/next navigation */
.article-nav{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:10px auto 0;padding-top:30px;border-top:1px solid var(--line);}
.article-nav-link{display:flex;flex-direction:column;gap:7px;padding:16px 18px;border:1px solid var(--line);border-radius:14px;background:#fff;transition:border-color .15s,transform .15s,box-shadow .15s;}
.article-nav-link:hover{border-color:var(--gold);transform:translateY(-1px);box-shadow:0 8px 24px rgba(28,26,20,.06);}
.article-nav-link.next{text-align:right;align-items:flex-end;}
.article-nav-link .dir{display:flex;align-items:center;gap:7px;font-size:12.5px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--gold-deep);}
.article-nav-link .t{font-family:'Fraunces',serif;font-weight:500;font-size:18px;color:var(--ink);line-height:1.22;}
@media (max-width:680px){
  .article-nav{grid-template-columns:1fr;}
  .article-nav-link.next{text-align:left;align-items:flex-start;}
}