/* ============================================================
   Zheng Foundation — Folio / Illuminated Manuscript
   Manuscript-inspired design with gold accents and ornamental rules
   ============================================================ */

:root {
  --vellum: #F5F0E6;
  --vellum-warm: #EDE5D5;
  --vellum-dark: #E0D8C4;
  --ink: #1A1210;
  --ink-soft: #3D2B1F;
  --ink-muted: #8A7A68;
  --gold: #C4A245;
  --gold-bright: #D4B855;
  --gold-pale: #E8DCC0;
  --blue: #2A5C8A;
  --blue-dark: #1D4060;
  --vermilion: #B5342E;
  --vermilion-dark: #8B2824;
  --rule: #D0C5A8;
  --rule-dark: #B8A880;
  --white: #FAF7F0;
  --font-body: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --font-manuscript: 'Georgia', 'Times New Roman', serif;
  --max-w: 960px;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:17px}
body{
  font-family:var(--font-body);font-size:0.95rem;line-height:1.7;
  color:var(--ink);background:var(--vellum);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto}
a{color:var(--vermilion);text-decoration:none;transition:color 0.2s}
a:hover{color:var(--vermilion-dark)}

h1,h2,h3,h4{font-weight:700;color:var(--ink);line-height:1.15}
h1{font-family:var(--font-manuscript);font-size:clamp(2rem,4.5vw,3rem);letter-spacing:-0.01em}
h2{font-family:var(--font-manuscript);font-size:clamp(1.5rem,2.8vw,2rem)}
h3{font-family:var(--font-manuscript);font-size:1.2rem}
h4{font-size:0.95rem}

/* --- Folio Nav --- */
.folio-nav{
  position:sticky;top:0;z-index:100;background:var(--vellum);
  border-bottom:1px solid var(--rule);
}
.folio-nav-inner{
  max-width:var(--max-w);margin:0 auto;padding:0 1.25rem;height:56px;
  display:flex;align-items:center;justify-content:space-between;
}
.folio-logo{display:flex;align-items:center;gap:0.5rem;font-family:var(--font-manuscript);font-weight:700;font-size:1rem;color:var(--ink)}
.folio-logo-mark{width:28px;height:28px;background:var(--gold);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:0.75rem;color:var(--ink)}
.folio-nav-links{display:flex;gap:0;list-style:none;padding:0}
.folio-nav-links a{display:block;padding:0.35rem 0.85rem;font-size:0.85rem;font-weight:500;color:var(--ink-muted);font-family:var(--font-manuscript);transition:all 0.2s}
.folio-nav-links a:hover,.folio-nav-links a.active{color:var(--vermilion)}
.folio-nav-cta a{background:var(--vermilion);color:var(--white)!important;padding:0.35rem 1rem}
.folio-nav-cta a:hover{background:var(--vermilion-dark);color:var(--white)!important}
.folio-menu-btn{display:none;background:none;border:none;cursor:pointer;font-size:1.2rem;color:var(--ink);padding:0.3rem}

/* --- Main --- */
.folio-main{max-width:var(--max-w);margin:0 auto;padding:0 1.25rem}

/* --- Ornamental Rule --- */
.orn-rule{text-align:center;padding:1rem 0;color:var(--gold);font-size:1.2rem;letter-spacing:0.5rem}

/* --- Illuminated Opening --- */
.illum-opening{padding:4rem 0 2rem;text-align:center}
.illum-opening .io-kicker{font-size:0.75rem;font-weight:700;text-transform:uppercase;letter-spacing:0.15em;color:var(--vermilion);margin-bottom:0.5rem}
.illum-opening h1{max-width:650px;margin:0 auto 0.75rem}
.illum-opening .io-desc{color:var(--ink-soft);max-width:560px;margin:0 auto 2rem;font-size:1rem;line-height:1.65}
.io-dropcap::first-letter{font-family:var(--font-manuscript);font-size:3.5rem;float:left;line-height:0.75;padding-right:0.4rem;padding-top:0.3rem;color:var(--vermilion);font-weight:700}

/* --- Folio Stats --- */
.folio-stats{display:flex;justify-content:center;gap:3rem;margin:2rem 0;flex-wrap:wrap}
.folio-stat{text-align:center}
.fs-num{font-family:var(--font-manuscript);font-size:2.2rem;font-weight:800;color:var(--gold);line-height:1;margin-bottom:0.15rem}
.fs-lbl{font-size:0.72rem;font-weight:600;text-transform:uppercase;letter-spacing:0.08em;color:var(--ink-muted)}

/* --- Folio Section --- */
.folio-section{padding:3.5rem 0}
.folio-section+.folio-section{border-top:1px solid var(--rule)}
.folio-section-header{display:flex;align-items:center;gap:0.75rem;margin-bottom:2rem}
.folio-section-header .fsh-num{font-family:var(--font-manuscript);font-size:1.5rem;color:var(--gold);font-weight:700}
.folio-section-header h2{margin-bottom:0}

/* --- Folio Grid --- */
.folio-grid-2{display:grid;grid-template-columns:1fr 1fr;gap:1.5rem}
.folio-grid-3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:1.5rem}

/* --- Folio Card --- */
.folio-card{
  background:var(--white);border:1px solid var(--rule);padding:1.75rem;transition:all 0.25s;
}
.folio-card:hover{border-color:var(--gold);box-shadow:0 4px 16px rgba(0,0,0,0.06)}
.folio-card .fc-num{font-family:var(--font-manuscript);font-size:2rem;font-weight:800;color:var(--gold);line-height:1;margin-bottom:0.5rem}
.folio-card h4{font-size:1rem;margin-bottom:0.35rem}
.folio-card p{font-size:0.88rem;color:var(--ink-soft);line-height:1.6}

/* --- Folio Entry (alternating) --- */
.folio-entry{display:grid;grid-template-columns:1fr 1fr;gap:3rem;align-items:center;padding:2.5rem 0}
.folio-entry+.folio-entry{border-top:1px solid var(--rule)}
.folio-entry.reverse{direction:rtl}
.folio-entry.reverse .fe-text{direction:ltr}
.fe-text h3{font-size:1.25rem;margin-bottom:0.6rem}
.fe-text p{color:var(--ink-soft);line-height:1.7;margin-bottom:0.8rem}
.fe-list{list-style:none;padding:0}
.fe-list li{padding:0.35rem 0;padding-left:1.5rem;position:relative;color:var(--ink-soft);font-size:0.9rem}
.fe-list li::before{content:'\2767';position:absolute;left:0;top:0.35rem;color:var(--vermilion)}
.fe-ornament{text-align:center;padding:2.5rem;background:var(--white);border:1px solid var(--rule)}
.fe-ornament .feo-icon{font-size:2.5rem;margin-bottom:0.5rem}
.fe-ornament h4{font-family:var(--font-manuscript);font-size:1.1rem}

/* --- Process --- */
.process-row{display:grid;grid-template-columns:repeat(4,1fr);gap:1.5rem}
.process-step{text-align:center;padding:1.5rem 1rem;background:var(--white);border:1px solid var(--rule);transition:all 0.2s}
.process-step:hover{border-color:var(--gold)}
.process-step .ps-num{font-family:var(--font-manuscript);font-size:2.2rem;font-weight:800;color:var(--gold);line-height:1;margin-bottom:0.5rem}
.process-step h4{font-size:0.9rem;margin-bottom:0.25rem}
.process-step p{font-size:0.82rem;color:var(--ink-soft);line-height:1.5}

/* --- Colophon Statement --- */
.colophon-stmt{background:var(--white);border:1px solid var(--rule);padding:2.5rem;margin:2rem 0;text-align:center}
.colophon-stmt blockquote{font-family:var(--font-manuscript);font-size:1.1rem;line-height:1.6;font-style:italic;color:var(--ink-soft);max-width:600px;margin:0 auto}
.colophon-stmt .cs-src{display:block;margin-top:0.75rem;font-family:var(--font-body);font-size:0.85rem;font-weight:600;font-style:normal;color:var(--vermilion)}

/* --- Contact --- */
.contact-folio{display:grid;grid-template-columns:1fr 1fr;gap:2.5rem}
.contact-seal{background:var(--white);border:1px solid var(--rule);padding:1.25rem;margin-bottom:1rem}
.contact-seal h4{font-family:var(--font-manuscript);font-size:0.75rem;text-transform:uppercase;letter-spacing:0.08em;color:var(--ink-muted);margin-bottom:0.2rem}
.contact-seal .cs-val{font-weight:700;font-size:0.95rem}
.contact-seal .cs-note{font-size:0.82rem;color:var(--ink-muted);margin-top:0.1rem}
.contact-form-panel{background:var(--white);border:1px solid var(--rule);padding:2rem}
.contact-form-panel h3{font-family:var(--font-manuscript);margin-bottom:1.25rem}
.form-grp{margin-bottom:1rem}
.form-grp label{display:block;font-weight:600;font-size:0.78rem;text-transform:uppercase;letter-spacing:0.04em;color:var(--ink-muted);margin-bottom:0.2rem}
.form-grp input,.form-grp textarea,.form-grp select{
  width:100%;padding:0.65rem 0.75rem;font-size:0.9rem;border:1px solid var(--rule);
  font-family:var(--font-body);background:var(--vellum);transition:border-color 0.2s;
}
.form-grp input:focus,.form-grp textarea:focus,.form-grp select:focus{outline:none;border-color:var(--vermilion)}
.form-grp textarea{resize:vertical;min-height:110px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:1rem}

.btn{
  display:inline-flex;align-items:center;gap:0.4rem;padding:0.7rem 1.7rem;
  font-size:0.88rem;font-weight:700;cursor:pointer;font-family:var(--font-manuscript);
  border:1px solid var(--vermilion);transition:all 0.2s;text-transform:uppercase;letter-spacing:0.04em;
}
.btn-vermilion{background:var(--vermilion);color:var(--white)}
.btn-vermilion:hover{background:var(--vermilion-dark);color:var(--white)}
.btn-gold{background:transparent;color:var(--ink);border-color:var(--gold)}
.btn-gold:hover{background:var(--gold);color:var(--ink)}

/* --- Page Opening --- */
.page-opening{padding:3.5rem 0 1.5rem;text-align:center}
.page-opening .po-tag{font-family:var(--font-manuscript);font-size:0.8rem;font-weight:700;color:var(--gold);text-transform:uppercase;letter-spacing:0.1em;margin-bottom:0.5rem}
.page-opening h1{margin-bottom:0.5rem}
.page-opening .po-desc{color:var(--ink-soft);max-width:550px;margin:0 auto;font-size:1rem;line-height:1.6}

/* --- Principles --- */
.principles-grid{display:grid;grid-template-columns:1fr 1fr;gap:1.25rem}
.principle-card{background:var(--white);border:1px solid var(--rule);padding:1.5rem;transition:all 0.2s}
.principle-card:hover{border-color:var(--gold)}
.principle-card h4{font-family:var(--font-manuscript);font-size:0.95rem;color:var(--vermilion);margin-bottom:0.35rem}
.principle-card p{font-size:0.88rem;color:var(--ink-soft);line-height:1.6}

/* --- Scribes --- */
.scribes-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem}
.scribe-card{text-align:center;padding:1.5rem 1rem;background:var(--white);border:1px solid var(--rule);transition:all 0.2s}
.scribe-card:hover{border-color:var(--gold)}
.scribe-initial{
  width:48px;height:48px;margin:0 auto 0.75rem;display:flex;align-items:center;
  justify-content:center;font-family:var(--font-manuscript);font-weight:700;font-size:1rem;
  border:2px solid var(--gold);color:var(--gold);
}
.scribe-card h4{font-size:0.88rem;margin-bottom:0.1rem}
.scribe-card .role{font-size:0.78rem;color:var(--ink-muted)}

/* --- Legal --- */
.legal-prose{max-width:720px}
.legal-prose section{margin-bottom:2.5rem}
.legal-prose h2{font-family:var(--font-manuscript);font-size:1.15rem;margin-bottom:0.6rem;padding-bottom:0.3rem;border-bottom:1px solid var(--rule);color:var(--ink)}
.legal-prose h3{font-size:0.95rem;margin:1.2rem 0 0.5rem;font-family:var(--font-manuscript)}
.legal-prose p{line-height:1.8;color:var(--ink-soft);margin-bottom:0.9rem}
.legal-prose ul,.legal-prose ol{margin-bottom:1rem;color:var(--ink-soft);padding-left:1.5rem}
.legal-prose ul li,.legal-prose ol li{margin-bottom:0.4rem;line-height:1.6}
.legal-updated{padding:1rem 1.25rem;background:var(--white);border:1px solid var(--rule);border-left:4px solid var(--vermilion);margin-bottom:2rem;font-size:0.85rem}
.legal-toc{background:var(--white);border:1px solid var(--rule);padding:1.25rem;margin-bottom:2rem}
.legal-toc h3{font-size:0.82rem;text-transform:uppercase;letter-spacing:0.05em;margin-top:0;margin-bottom:0.6rem;color:var(--gold)}
.legal-toc ol{padding-left:1.5rem;margin-bottom:0}
.legal-toc ol li{margin-bottom:0.3rem;font-size:0.9rem}

/* --- Footer --- */
.folio-footer{background:var(--ink);color:var(--vellum);margin-top:5rem;border-top:4px solid var(--gold)}
.folio-footer-grid{max-width:var(--max-w);margin:0 auto;padding:3rem 1.25rem;display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:3rem}
.folio-footer-brand h4{font-family:var(--font-manuscript);color:var(--gold);font-size:0.95rem;margin-bottom:0.5rem}
.folio-footer-brand p{color:var(--vellum-dark);font-size:0.85rem;line-height:1.6}
.folio-footer-col h4{font-family:var(--font-manuscript);color:var(--gold);font-size:0.72rem;text-transform:uppercase;letter-spacing:0.1em;margin-bottom:0.75rem}
.folio-footer-col ul{list-style:none;padding:0}
.folio-footer-col ul li{margin-bottom:0.35rem}
.folio-footer-col ul a{color:var(--vellum-dark);font-size:0.85rem;transition:color 0.2s}
.folio-footer-col ul a:hover{color:var(--vellum)}
.folio-footer-bar{max-width:var(--max-w);margin:0 auto;padding:1rem 1.25rem;border-top:1px solid rgba(255,255,255,0.06);display:flex;justify-content:space-between;font-size:0.78rem;color:var(--vellum-dark)}
.folio-footer-bar a{color:var(--vellum-dark)}
.folio-footer-bar a:hover{color:var(--vellum)}

@media (max-width: 860px){
  .folio-nav-links{display:none;position:absolute;top:56px;left:0;right:0;background:var(--vellum);flex-direction:column;padding:1rem;border-bottom:1px solid var(--rule)}
  .folio-nav-links.open{display:flex}
  .folio-menu-btn{display:block}
  .folio-nav-inner{position:relative}
  .folio-grid-2,.folio-grid-3,.folio-entry,.contact-folio,.principles-grid,.scribes-grid,.process-row{grid-template-columns:1fr}
  .folio-entry.reverse{direction:ltr}
  .folio-footer-grid{grid-template-columns:1fr;gap:2rem}
  .form-row{grid-template-columns:1fr}
  .folio-stats{gap:1.5rem}
}
@media (max-width: 500px){
  .scribes-grid{grid-template-columns:1fr 1fr}
}