:root{
  --brown:#5b3a29;        /* deep 'da' brown — primary */
  --brown-2:#6b4530;
  --brown-dk:#3c2519;
  --maroon:#7a3323;       /* warm maroon accent */
  --gold:#b98a3e;
  --gold-dk:#8a6320;
  --gold-soft:#e7d3a1;
  --sage:#6f7d55;         /* lotus-leaf green */
  --cream:#f6efe1;        /* page background — parchment */
  --paper:#fffdf7;
  --panel:#efe4cf;
  --ink:#2c2320;
  --ink-soft:#54473d;
  --muted:#8a7867;
  --line:#e3d7c0;
  --shadow:0 6px 24px rgba(60,37,25,.10);
  --shadow-lg:0 18px 48px rgba(60,37,25,.17);
  --radius:14px;
  --radius-sm:10px;
  --maxw:1120px;
  --prose:730px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"Be Vietnam Pro",system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;
  color:var(--ink);
  background:var(--cream);
  line-height:1.72;
  font-size:18px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--maroon);text-decoration:underline;text-underline-offset:2px;text-decoration-thickness:1px;transition:color .15s}
a:hover{color:var(--gold-dk)}
h1,h2,h3,h4{font-family:"Spectral",Georgia,"Times New Roman",serif;line-height:1.2;color:var(--brown);font-weight:600;margin:0 0 .5em}
h1{font-size:clamp(2rem,4.4vw,3rem);letter-spacing:-.005em;font-weight:700}
h2{font-size:clamp(1.45rem,3vw,2rem);margin-top:1.9em}
h3{font-size:1.22rem;margin-top:1.5em;color:var(--brown-2)}
p{margin:0 0 1.15em}
strong{color:var(--brown-dk)}
em{color:var(--ink-soft)}
.container{width:100%;max-width:var(--maxw);margin-inline:auto;padding-inline:clamp(1.1rem,4vw,2rem)}

/* header / nav */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(246,239,225,.96);
  backdrop-filter:saturate(1.3) blur(6px);
  border-bottom:1px solid var(--line);
  box-shadow:0 3px 0 0 var(--gold);
}
.nav{display:flex;align-items:center;justify-content:space-between;gap:1rem;min-height:72px}
.brand{display:inline-flex;align-items:center;gap:.65rem;text-decoration:none;color:var(--brown)}
.brand-mark{
  display:grid;place-items:center;width:40px;height:40px;border-radius:11px;
  background:linear-gradient(140deg,var(--brown),var(--maroon));
  color:var(--gold-soft);font-size:1.35rem;line-height:1;
  box-shadow:0 2px 8px rgba(60,37,25,.28);
}
.brand-text{display:flex;flex-direction:column;line-height:1.08}
.brand-text strong{color:var(--brown);font-family:"Spectral",serif;font-size:1.24rem;font-weight:700}
.brand-text small{color:var(--gold-dk);font-size:.66rem;letter-spacing:.09em;text-transform:uppercase}
.nav-links{list-style:none;display:flex;align-items:center;gap:.15rem;margin:0;padding:0;flex-wrap:wrap}
.nav-links a{
  color:var(--ink-soft);text-decoration:none;font-size:.93rem;font-weight:500;
  padding:.5rem .68rem;border-radius:8px;white-space:nowrap;
}
.nav-links a:hover{background:rgba(122,51,35,.09);color:var(--maroon)}
.nav-links a.active{color:var(--maroon);font-weight:600}
.nav-cta{background:var(--brown)!important;color:var(--gold-soft)!important;font-weight:600}
.nav-cta:hover{background:var(--maroon)!important;color:#fff!important}
.nav-toggle{display:none;background:transparent;border:0;cursor:pointer;padding:.4rem;flex-direction:column;gap:5px}
.nav-toggle span{display:block;width:26px;height:2.5px;background:var(--brown);border-radius:2px;transition:.25s}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7.5px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7.5px) rotate(-45deg)}

/* hero */
.hero{position:relative;margin:0 auto;max-width:1240px;padding:1.5rem clamp(1.1rem,4vw,2rem) 0}
.hero-img{
  width:100%;height:clamp(230px,40vw,440px);object-fit:cover;
  border-radius:var(--radius);box-shadow:var(--shadow-lg);
  border:1px solid var(--line);
}

/* prose / article */
.prose{max-width:calc(var(--prose) + 4rem);padding-top:2.5rem;padding-bottom:3.6rem}
.prose > h1{margin-top:.1em}
.prose p,.prose ul,.prose ol,.prose dl,.prose figure{max-width:var(--prose)}
.prose .hero-img,.prose figure{max-width:100%}
.lede{font-size:1.2rem;line-height:1.62;color:var(--ink-soft);margin-bottom:1.5em}
.prose ul,.prose ol{margin:0 0 1.3em;padding-left:1.3em}
.prose li{margin-bottom:.5em}
.prose ul li::marker{color:var(--gold-dk)}
.prose h2{position:relative;padding-top:.15em}
.prose h2::before{
  content:"";display:block;width:48px;height:4px;border-radius:4px;
  background:linear-gradient(90deg,var(--gold),var(--sage));margin-bottom:.7rem;
}
blockquote{
  margin:1.6em 0;padding:.5rem 0 .5rem 1.3rem;border-left:4px solid var(--gold);
  color:var(--ink-soft);font-style:italic;
}

/* figures */
.page-figure{margin:1.8em 0 2em}
.page-figure img{width:100%;border-radius:var(--radius);box-shadow:var(--shadow);border:1px solid var(--line)}
.page-figure figcaption{font-size:.86rem;color:var(--muted);margin-top:.55rem;text-align:center}

/* definition lists (glossary) */
dl.glossary{margin:1.1em 0 1.6em;border-left:3px solid var(--sage);padding-left:1.25rem}
dl.glossary dt{font-family:"Spectral",serif;font-weight:600;color:var(--brown);font-size:1.1rem;margin-top:1.05em}
dl.glossary dd{margin:.2em 0 0;color:var(--ink-soft)}

/* contact form */
.contact-form{
  display:flex;flex-direction:column;gap:.3rem;max-width:var(--prose);
  background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);
  padding:1.6rem;box-shadow:var(--shadow);margin:1.4em 0 2em;
}
.contact-form label{font-weight:600;font-size:.9rem;color:var(--brown-2);margin-top:.6rem}
.contact-form input,.contact-form textarea{
  font:inherit;font-size:1rem;padding:.7rem .8rem;border:1px solid var(--line);
  border-radius:10px;background:var(--cream);color:var(--ink);width:100%;
}
.contact-form input:focus,.contact-form textarea:focus{
  outline:none;border-color:var(--sage);box-shadow:0 0 0 3px rgba(111,125,85,.2);background:#fff
}
.contact-form button,.error-page a.btn{
  align-self:flex-start;margin-top:1.1rem;cursor:pointer;text-decoration:none;
  background:linear-gradient(140deg,var(--brown),var(--maroon));color:var(--gold-soft);
  border:0;border-radius:999px;padding:.8rem 1.7rem;font:inherit;font-weight:600;
  box-shadow:var(--shadow);transition:transform .15s,box-shadow .15s,color .15s;
}
.contact-form button:hover,.error-page a.btn:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg);color:#fff}

/* 404 */
.error-page{text-align:center;padding-top:3.5rem;padding-bottom:4.5rem}
.error-page .err-code{font-family:"Spectral",serif;font-size:5rem;color:var(--gold);margin:0;line-height:1;font-weight:700}
.error-page .lede{margin-inline:auto}
.error-page p{max-width:var(--prose);margin-inline:auto}
.error-page h1::after{content:none}

/* footer */
.site-footer{background:var(--brown-dk);color:#e7dcc9;margin-top:2rem}
.foot-inner{
  max-width:var(--maxw);margin-inline:auto;padding:3rem clamp(1.1rem,4vw,2rem) 1.6rem;
  display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:2rem;
}
.foot-brand .brand{color:#fff}
.foot-brand .brand-mark{color:var(--gold-soft)}
.foot-brand .brand-text strong{color:#fff}
.foot-brand .brand-text small{color:var(--gold-soft)}
.foot-brand p{font-size:.9rem;color:#c8b9a3;margin-top:.9rem;max-width:44ch}
.foot-col h3{color:#fff;font-family:"Spectral",serif;font-size:1.02rem;margin-bottom:.7rem}
.foot-col ul{list-style:none;margin:0;padding:0}
.foot-col li{margin-bottom:.45rem}
.foot-col a{color:#d6c6ad;text-decoration:none;font-size:.9rem}
.foot-col a:hover{color:var(--gold-soft);text-decoration:underline}
.foot-bottom{border-top:1px solid rgba(255,255,255,.12)}
.foot-bottom p{max-width:var(--maxw);margin:0 auto;padding:1.1rem clamp(1.1rem,4vw,2rem);font-size:.8rem;color:#b3a087}

/* entrance animation: CSS-only, ends visible (fill-mode both) */
@keyframes rise{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}
@media (prefers-reduced-motion:no-preference){
  .reveal{animation:rise .6s ease both}
  .prose.reveal{animation-delay:.05s}
}
/* Safeguard: never leave content hidden waiting on JS (AOS-class incident guard) */
[data-aos]{opacity:1!important;transform:none!important}
.reveal{opacity:1}

/* responsive */
@media (max-width:920px){
  .foot-inner{grid-template-columns:1fr 1fr}
  .foot-brand{grid-column:1 / -1}
}
@media (max-width:780px){
  body{font-size:17px}
  .nav-toggle{display:flex}
  .nav-links{
    position:absolute;top:100%;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:0;
    background:var(--cream);padding:.5rem;
    max-height:0;overflow:hidden;transition:max-height .3s ease;
    border-bottom:3px solid var(--gold);box-shadow:var(--shadow);
  }
  .nav-links.open{max-height:82vh;overflow:auto}
  .nav-links a{padding:.8rem 1rem;border-radius:8px}
  .nav-cta{text-align:center;margin-top:.3rem}
}
@media (max-width:520px){
  .foot-inner{grid-template-columns:1fr}
  .brand-text small{display:none}
}