/* Cushing's Disease in Dogs — warm, caring canine-health guide
   Hand-rolled design system (no UI framework). Fraunces + Nunito Sans.
   Content is ALWAYS visible with CSS alone — nothing is gated on JavaScript. */

:root{
  --clay-700:#6f2f1f;
  --clay-600:#8f3d28;
  --clay-500:#b8543a;   /* primary */
  --clay-400:#cf6f52;
  --amber-600:#c9781c;
  --amber-500:#e0932a;  /* accent */
  --amber-300:#f2c078;
  --amber-100:#fbecd2;
  --sage-600:#4f6f55;
  --sage-500:#6f8f73;
  --sage-100:#e7efe4;
  --ink:#2c2622;
  --ink-soft:#5c5149;
  --ink-faint:#8a7d72;
  --cream:#fbf7f1;
  --cream-alt:#f4ece1;
  --paper:#ffffff;
  --line:#ece1d3;
  --ring:rgba(184,84,58,.28);
  --shadow-sm:0 4px 16px rgba(76,42,26,.08);
  --shadow-md:0 16px 44px rgba(76,42,26,.16);
  --radius:16px;
  --wrap:1150px;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:'Nunito Sans',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  color:var(--ink);
  background:var(--cream);
  line-height:1.72;
  font-size:1.02rem;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--clay-600);text-decoration:none;}
a:hover{color:var(--clay-500);}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 1.4rem;}

h1,h2,h3,h4,.brand-text{
  font-family:'Fraunces','Georgia',serif;
  color:var(--clay-700);
  line-height:1.16;
  letter-spacing:-.01em;
  font-weight:700;
}

/* ---------------- Header / Nav ---------------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(251,247,241,.94);
  backdrop-filter:saturate(150%) blur(8px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;min-height:4.1rem;gap:1rem;}
.brand{display:inline-flex;align-items:center;gap:.6rem;color:var(--clay-700);}
.brand-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:2.35rem;height:2.35rem;border-radius:12px;flex:none;
  background:linear-gradient(145deg,var(--clay-500),var(--amber-500));
  color:#fff;font-size:1.05rem;box-shadow:var(--shadow-sm);
}
.brand-text{font-size:1.18rem;font-weight:700;line-height:1.05;}
.brand-text em{display:block;font-style:normal;font-size:.82rem;font-weight:600;color:var(--amber-600);letter-spacing:.02em;font-family:'Nunito Sans',sans-serif;}
.nav-toggle{display:none;background:none;border:1.5px solid var(--line);border-radius:10px;color:var(--clay-600);font-size:1.15rem;width:2.7rem;height:2.7rem;cursor:pointer;}

.site-nav .nav-links{display:flex;align-items:center;gap:.15rem;}
.nav-link{
  display:inline-flex;align-items:center;gap:.35rem;
  padding:.5rem .72rem;border-radius:9px;font-weight:600;font-size:.96rem;
  color:var(--ink);background:none;border:none;cursor:pointer;font-family:inherit;
}
.nav-link:hover{background:var(--cream-alt);color:var(--clay-600);}
.nav-link.is-active{color:var(--clay-500);}
.nav-item.has-sub{position:relative;}
.nav-item.has-sub.is-active > .nav-sub-toggle{color:var(--clay-500);}
.nav-sub{
  position:absolute;top:calc(100% + .4rem);right:0;min-width:230px;
  background:var(--paper);border:1px solid var(--line);border-radius:14px;
  box-shadow:var(--shadow-md);padding:.5rem;display:none;
  border-top:3px solid var(--amber-500);
}
.nav-item.has-sub:hover .nav-sub,
.nav-item.has-sub:focus-within .nav-sub{display:block;}
.nav-sub-link{display:block;padding:.55rem .7rem;border-radius:9px;font-weight:600;font-size:.94rem;color:var(--ink);}
.nav-sub-link:hover{background:var(--cream-alt);color:var(--clay-600);}

/* ---------------- Buttons ---------------- */
.btn{display:inline-flex;align-items:center;gap:.5rem;padding:.85rem 1.4rem;border-radius:11px;font-weight:700;font-size:1rem;cursor:pointer;transition:transform .15s ease,box-shadow .15s ease;}
.btn-solid{background:linear-gradient(145deg,var(--clay-500),var(--amber-500));color:#fff !important;box-shadow:0 8px 20px rgba(184,84,58,.32);}
.btn-solid:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(184,84,58,.42);color:#fff;}
.btn-ghost{background:rgba(255,255,255,.14);color:#fff !important;border:1.5px solid rgba(255,255,255,.72);}
.btn-ghost:hover{background:rgba(255,255,255,.24);color:#fff;}

/* ---------------- Hero ---------------- */
.page-hero{position:relative;color:#fff;overflow:hidden;background-color:var(--clay-600);}
.page-hero.no-image{background:radial-gradient(120% 150% at 12% 8%,var(--clay-500),var(--clay-700) 70%);}
.hero-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center 35%;z-index:0;}
.hero-overlay{position:relative;z-index:1;}
.page-hero.has-image .hero-overlay{background:linear-gradient(180deg,rgba(44,38,34,.32),rgba(111,47,31,.74));}
.page-hero .hero-inner{max-width:760px;padding:4.6rem 0 4.2rem;}
.page-hero.has-image .hero-inner{padding:6rem 0 5.4rem;}
.hero-kicker{
  display:inline-block;padding:.32rem .85rem;border-radius:999px;margin-bottom:1rem;
  background:rgba(251,247,241,.16);border:1px solid rgba(251,247,241,.4);
  color:#fff;font-weight:700;font-size:.78rem;letter-spacing:.08em;text-transform:uppercase;
  font-family:'Nunito Sans',sans-serif;
}
.page-hero h1{color:#fff;font-size:2.9rem;font-weight:800;margin:0 0 1rem;text-shadow:0 2px 22px rgba(0,0,0,.28);}
.page-hero.has-image h1{font-size:3.15rem;}
.hero-lead{font-size:1.24rem;color:#fbeee2;max-width:640px;margin:0;text-shadow:0 1px 12px rgba(0,0,0,.26);}
.hero-cta{display:flex;flex-wrap:wrap;gap:.85rem;margin-top:1.7rem;}

/* ---------------- Homepage guide cards ---------------- */
.guide-sections{background:var(--cream-alt);padding:3.6rem 0;border-bottom:1px solid var(--line);}
.section-head{text-align:center;max-width:640px;margin:0 auto 2.2rem;}
.section-head h2{font-size:2.1rem;margin:0 0 .4rem;}
.section-head p{color:var(--ink-soft);margin:0;font-size:1.1rem;}
.guide-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.2rem;}
.guide-card{
  display:flex;flex-direction:column;gap:.3rem;padding:1.5rem 1.4rem;
  background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-sm);transition:transform .18s ease,box-shadow .18s ease;color:var(--ink);
}
.guide-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}
.guide-ico{
  display:inline-flex;align-items:center;justify-content:center;width:3rem;height:3rem;border-radius:13px;
  background:var(--amber-100);color:var(--amber-600);font-size:1.3rem;margin-bottom:.6rem;
}
.guide-title{font-family:'Fraunces',serif;font-weight:700;font-size:1.2rem;color:var(--clay-700);}
.guide-desc{color:var(--ink-soft);font-size:.96rem;}

/* ---------------- Main content ---------------- */
.page-main{padding:3.6rem 0 4.4rem;}
.content-body{max-width:768px;margin:0 auto;}
.content-body > p:first-of-type{margin-top:0;}
.content-body .lead{font-size:1.22rem;color:var(--ink-soft);line-height:1.6;margin-bottom:1.6rem;}
.content-body h2{
  font-size:1.9rem;margin:2.6rem 0 1rem;padding-bottom:.5rem;position:relative;
}
.content-body h2::after{content:"";position:absolute;left:0;bottom:0;width:3.2rem;height:4px;border-radius:3px;background:linear-gradient(90deg,var(--clay-500),var(--amber-500));}
.content-body h3{font-size:1.32rem;font-weight:600;color:var(--clay-600);margin:1.8rem 0 .5rem;}
.content-body p{margin:0 0 1.15rem;color:#38312b;}
.content-body ul,.content-body ol{margin:0 0 1.3rem 1.3rem;padding:0;}
.content-body li{margin-bottom:.55rem;}
.content-body ul li::marker{color:var(--amber-500);}
.content-body strong{color:var(--clay-700);}
.content-body a{font-weight:700;text-decoration:underline;text-decoration-color:var(--amber-300);text-underline-offset:2px;}
.content-body a:hover{text-decoration-color:var(--clay-500);}

.content-figure{margin:2rem 0;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-md);}
.content-figure img{width:100%;}
.content-figure figcaption{background:var(--paper);border:1px solid var(--line);border-top:none;padding:.7rem 1rem;font-size:.9rem;color:var(--ink-faint);font-style:italic;}

/* ---------------- Callouts ---------------- */
.callout{display:flex;gap:.9rem;align-items:flex-start;padding:1.1rem 1.25rem;border-radius:14px;margin:1.6rem 0;font-size:.99rem;line-height:1.6;}
.callout-ico{flex:none;font-size:1.15rem;margin-top:.15rem;}
.callout div{color:var(--ink-soft);}
.callout div strong{color:var(--clay-700);}
.callout-med{background:var(--amber-100);border:1px solid var(--amber-300);}
.callout-med .callout-ico{color:var(--amber-600);}
.callout-warn{background:#fbe9e4;border:1px solid #e6b3a4;}
.callout-warn .callout-ico{color:var(--clay-500);}

/* ---------------- Contact form ---------------- */
.contact-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:2.2rem;margin:1.5rem 0 .5rem;}
.contact-form{background:var(--cream-alt);border:1px solid var(--line);border-radius:18px;padding:1.7rem;box-shadow:var(--shadow-sm);}
.contact-form label{display:block;font-weight:700;color:var(--clay-700);margin-bottom:1rem;font-size:.94rem;}
.contact-form input,.contact-form textarea{
  width:100%;margin-top:.35rem;padding:.7rem .85rem;border:1.5px solid #ddcdbb;border-radius:10px;
  font-family:inherit;font-size:1rem;background:var(--paper);color:var(--ink);
}
.contact-form input:focus,.contact-form textarea:focus{outline:none;border-color:var(--amber-500);box-shadow:0 0 0 3px var(--ring);}
.btn-primary{background:linear-gradient(145deg,var(--clay-500),var(--amber-500));color:#fff;border:none;padding:.8rem 1.6rem;border-radius:11px;font-weight:700;font-size:1rem;cursor:pointer;box-shadow:0 8px 20px rgba(184,84,58,.3);}
.btn-primary:hover{transform:translateY(-2px);}
.contact-info h3{font-size:1.18rem;margin:1.2rem 0 .35rem;}
.contact-info h3:first-child{margin-top:0;}
.contact-info p{color:var(--ink-soft);margin:0 0 .8rem;}

/* ---------------- Footer ---------------- */
.site-footer{background:linear-gradient(165deg,var(--clay-700),#4b2115);color:#eddccf;padding:3.6rem 0 1.6rem;margin-top:1rem;}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:2rem;}
.brand-footer .brand-text{color:#fff;}
.brand-footer .brand-text em{color:var(--amber-300);}
.footer-tag{color:#e0c8b6;max-width:38ch;margin:1rem 0 .9rem;font-size:.98rem;}
.footer-disc{color:#d3b6a3;font-size:.88rem;}
.footer-disc i{color:var(--amber-300);margin-right:.35rem;}
.footer-col h3{color:#fff;font-size:1rem;font-weight:700;margin:.2rem 0 .9rem;text-transform:uppercase;letter-spacing:.06em;font-family:'Nunito Sans',sans-serif;}
.footer-col ul{list-style:none;margin:0;padding:0;}
.footer-col li{margin-bottom:.55rem;}
.footer-col a{color:#e6cdbb;font-size:.95rem;}
.footer-col a:hover{color:var(--amber-300);}
.footer-bottom{border-top:1px solid rgba(255,255,255,.14);margin-top:2.6rem;padding-top:1.3rem;text-align:center;color:#cbaf9d;font-size:.88rem;}
.footer-bottom p{margin:.2rem 0;}
.footer-note{color:#b7927e;font-style:italic;}

/* ---------------- Responsive ---------------- */
@media(max-width:900px){
  .footer-grid{grid-template-columns:1fr 1fr;}
  .guide-grid{grid-template-columns:repeat(2,1fr);}
}
@media(max-width:768px){
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .site-nav{position:absolute;top:100%;left:0;right:0;background:var(--cream);border-bottom:1px solid var(--line);
    box-shadow:var(--shadow-md);max-height:0;overflow:hidden;transition:max-height .25s ease;}
  .site-nav.is-open{max-height:80vh;overflow:auto;}
  .site-nav .nav-links{flex-direction:column;align-items:stretch;gap:.1rem;padding:.7rem 1rem 1.2rem;}
  .nav-link{padding:.75rem .6rem;font-size:1.02rem;}
  .nav-item.has-sub{width:100%;}
  .nav-sub-toggle{width:100%;justify-content:space-between;}
  .nav-sub{position:static;display:block !important;box-shadow:none;border:none;border-top:1px solid var(--line);
    border-radius:0;padding:.1rem 0 .4rem .8rem;min-width:0;}
  .page-hero h1,.page-hero.has-image h1{font-size:2.25rem;}
  .hero-lead{font-size:1.1rem;}
  .content-body h2{font-size:1.6rem;}
  .guide-grid{grid-template-columns:1fr;}
  .contact-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
}

/* Safeguard: content must never be hidden waiting on JS. Any scroll-reveal
   animation is progressive enhancement only. (No AOS is used on this site.) */
[data-aos]{opacity:1 !important;transform:none !important;visibility:visible !important;}