:root {
  --koi-black: #0A0A0A;
  --koi-gold: #C9A84C;
  --paper: #FFFFFF;
  --ink: #0A0A0A;
  --ink-on-dark: #F5F5F5;
  --muted: #6B6B6B;
  --muted-on-dark: #B8B8B8;
  --rule: #E5E5E5;
  --rule-on-dark: #2A2A2A;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  font-family: 'Playfair Display', Georgia, serif;
  background: var(--paper);
  color: var(--ink);
  line-height: 1.75;
  font-size: 18px;
  font-weight: 400;
}

a { color: inherit; text-decoration: none; }

/* === HEADER === */
.header {
  background: var(--koi-black);
  color: #fff;
  padding: 1.5rem 3rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: 'Inter', sans-serif;
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  position: sticky;
  top: 0;
  z-index: 100;
}

.header .brand { font-weight: 500; }
.header .brand span { color: var(--koi-gold); }
.header .nav { display: flex; gap: 2rem; align-items: center; }
.header .nav a { color: #999; transition: color 0.2s; }
.header .nav a:hover { color: var(--koi-gold); }
.header .nav a.active { color: var(--koi-gold); }

/* === BREADCRUMB === */
.breadcrumb {
  padding: 1.5rem 3rem;
  background: var(--paper);
  border-bottom: 1px solid var(--rule);
  font-family: 'Inter', sans-serif;
  font-size: 0.7rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--muted);
}

.breadcrumb a { color: var(--muted); border-bottom: 1px solid transparent; transition: all 0.2s; }
.breadcrumb a:hover { color: var(--koi-gold); border-bottom-color: var(--koi-gold); }
.breadcrumb .sep { margin: 0 0.75rem; color: var(--koi-gold); }
.breadcrumb .current { color: var(--ink); }
.breadcrumb .access { float: right; color: var(--koi-gold); font-weight: 500; }

/* === HERO === */
.hero {
  background: var(--koi-black);
  color: var(--ink-on-dark);
  padding: 7rem 2rem 6rem;
  text-align: center;
  border-bottom: 1px solid var(--rule-on-dark);
}

.hero .roman {
  font-family: 'Playfair Display', serif;
  font-style: italic;
  font-size: 3.5rem;
  color: var(--koi-gold);
  margin-bottom: 1rem;
  line-height: 1;
}

.hero .eyebrow {
  font-family: 'Inter', sans-serif;
  font-size: 0.7rem;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--koi-gold);
  margin-bottom: 1.5rem;
}

.hero h1 {
  font-family: 'Playfair Display', serif;
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 500;
  line-height: 1.1;
  margin-bottom: 1.5rem;
}

.hero h1 em { font-style: italic; color: var(--koi-gold); }

.hero .subtitle {
  font-family: 'Playfair Display', serif;
  font-style: italic;
  font-size: 1.25rem;
  color: var(--muted-on-dark);
  max-width: 680px;
  margin: 0 auto;
}

/* === MAIN === */
main {
  max-width: 900px;
  margin: 0 auto;
  padding: 6rem 2rem;
}

.intro {
  margin-bottom: 4rem;
  text-align: center;
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}

.intro p { font-size: 1.15rem; color: var(--ink); margin-bottom: 1rem; }
.intro p em { font-style: italic; }

/* === DOCTRINE ANCHOR === */
.doctrine-anchor {
  background: #FAFAFA;
  padding: 2rem 2.5rem;
  margin: 3rem 0 4rem;
  border-left: 3px solid var(--koi-gold);
}

.doctrine-anchor .label {
  font-family: 'Inter', sans-serif;
  font-size: 0.65rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--koi-gold);
  margin-bottom: 0.75rem;
}

.doctrine-anchor p {
  font-style: italic;
  color: var(--ink);
  font-size: 1.05rem;
  line-height: 1.6;
}

.doctrine-anchor .ref {
  font-family: 'Inter', sans-serif;
  font-style: normal;
  font-size: 0.7rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: 1rem;
}

.doctrine-anchor .ref a {
  color: var(--koi-gold);
  border-bottom: 1px solid var(--koi-gold);
  padding-bottom: 2px;
}

/* === SECTION DIVIDER === */
.section-divider {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  margin: 5rem 0 2rem;
}

.section-divider .num {
  font-family: 'Playfair Display', serif;
  font-style: italic;
  color: var(--koi-gold);
  font-size: 1.25rem;
}

.section-divider .label {
  font-family: 'Inter', sans-serif;
  font-size: 0.7rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--ink);
}

.section-divider .line {
  flex: 1;
  height: 1px;
  background: var(--rule);
}

/* === HEADINGS === */
section h2 {
  font-family: 'Playfair Display', serif;
  font-size: 2.25rem;
  font-weight: 500;
  margin-bottom: 1.5rem;
  line-height: 1.2;
}

section h2 em { font-style: italic; }

section h3 {
  font-family: 'Playfair Display', serif;
  font-size: 1.4rem;
  font-style: italic;
  margin: 2rem 0 1rem;
}

section p { margin-bottom: 1.25rem; }

/* === DOCUMENT LIST === */
.doc-list {
  list-style: none;
  margin: 2rem 0;
  border-top: 1px solid var(--rule);
}

.doc-list li {
  display: grid;
  grid-template-columns: 60px 1fr 140px;
  gap: 2rem;
  padding: 1.75rem 0;
  border-bottom: 1px solid var(--rule);
  align-items: center;
  transition: background 0.2s;
}

.doc-list li:hover { background: #FAFAFA; }

.doc-list .num {
  font-family: 'Playfair Display', serif;
  font-style: italic;
  color: var(--koi-gold);
  font-size: 1.25rem;
}

.doc-list .info h4 {
  font-family: 'Playfair Display', serif;
  font-size: 1.3rem;
  font-weight: 500;
  margin-bottom: 0.35rem;
}

.doc-list .info p {
  color: var(--muted);
  font-size: 0.95rem;
  margin: 0;
}

.doc-list .action {
  text-align: right;
  font-family: 'Inter', sans-serif;
  font-size: 0.7rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--ink);
}

.doc-list .action a {
  border-bottom: 1px solid var(--koi-gold);
  padding-bottom: 3px;
}

.doc-list .action.locked {
  color: var(--muted);
}

/* === PREVIEW CALLOUT === */
.preview-callout {
  background: var(--koi-black);
  color: var(--ink-on-dark);
  padding: 3rem 3rem;
  margin: 3rem 0;
  border-left: 3px solid var(--koi-gold);
  text-align: center;
}

.preview-callout .label {
  font-family: 'Inter', sans-serif;
  font-size: 0.65rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--koi-gold);
  margin-bottom: 1rem;
}

.preview-callout p {
  font-size: 1.2rem;
  margin: 0 0 1.5rem 0;
}

.preview-callout .cta {
  display: inline-block;
  font-family: 'Inter', sans-serif;
  font-size: 0.75rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--ink-on-dark);
  border: 1px solid var(--koi-gold);
  padding: 0.75rem 2rem;
  transition: all 0.3s;
}

.preview-callout .cta:hover {
  background: var(--koi-gold);
  color: var(--koi-black);
}

/* === LAYER NAV === */
.layer-nav {
  margin-top: 6rem;
  padding-top: 3rem;
  border-top: 1px solid var(--rule);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 2rem;
}

.layer-nav a {
  font-family: 'Inter', sans-serif;
  font-size: 0.7rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--ink);
  border-bottom: 1px solid var(--koi-gold);
  padding-bottom: 4px;
  transition: opacity 0.2s;
}

.layer-nav a:hover { opacity: 0.7; }

.layer-nav .center { color: var(--muted); border: none; }

/* === FOOTER === */
footer {
  background: var(--koi-black);
  color: var(--ink-on-dark);
  padding: 4rem 2rem 3rem;
  text-align: center;
}

footer .axiom {
  font-family: 'Inter', sans-serif;
  font-size: 0.75rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: #999;
  margin-bottom: 0.5rem;
}

footer .axiom span { color: var(--koi-gold); margin: 0 0.5rem; }

footer .meta {
  font-family: 'Inter', sans-serif;
  font-size: 0.65rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: #666;
  margin-top: 2rem;
}

@media (max-width: 768px) {
  body { font-size: 17px; }
  .header { padding: 1rem 1.5rem; font-size: 0.65rem; flex-direction: column; gap: 0.75rem; }
  .breadcrumb { padding: 1rem 1.5rem; font-size: 0.6rem; }
  .breadcrumb .access { float: none; display: block; margin-top: 0.5rem; }
  main { padding: 4rem 1.5rem; }
  .doc-list li { grid-template-columns: 40px 1fr; gap: 1rem; }
  .doc-list .action { grid-column: 2; text-align: left; padding-top: 0.5rem; }
}