/* ============================================================
   Integral Code of Ethics — integralcodeofethics.org
   Design language derived from the cover artwork:
   deep night navy, gold & silver interweave, classical serif,
   fine geometric linework. ❖ dividers echo the document itself.
   ============================================================ */

:root {
  --night: #040a13;          /* page ground — matches artwork */
  --night-raised: #0b1524;   /* raised panels */
  --night-line: #16233a;     /* subtle structural borders */
  --gold: #c4a265;
  --gold-bright: #e6cd96;
  --gold-faint: rgba(196, 162, 101, 0.22);
  --silver: #aeb6c2;
  --text: #d5dae2;
  --text-muted: #8f99a8;
  --display: "Cormorant Garamond", Garamond, "Times New Roman", serif;
  --body: "EB Garamond", Garamond, Georgia, serif;
  --measure: 66ch;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

body {
  background: var(--night);
  color: var(--text);
  font-family: var(--body);
  font-size: 1.1875rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

::selection { background: var(--gold-faint); color: var(--gold-bright); }

a { color: var(--gold-bright); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--gold-bright);
  outline-offset: 3px;
  border-radius: 2px;
}

img { max-width: 100%; height: auto; display: block; }

/* ---------- Header / navigation (two-tier, centered) ---------- */

.site-header {
  position: relative;
  z-index: 50;
  background: var(--night);
  border-bottom: 1px solid var(--night-line);
}

.brand-row {
  max-width: 1100px;
  margin: 0 auto;
  padding: 1.3rem 1.5rem 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  color: var(--silver);
  font-family: var(--display);
  font-weight: 600;
  font-size: clamp(1.05rem, 2.6vw, 1.3rem);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  text-align: center;
}
.brand:hover { text-decoration: none; color: var(--gold-bright); }
.brand img { width: 40px; height: 40px; flex-shrink: 0; }

.nav-row {
  border-top: 1px solid var(--night-line);
}

.site-nav {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  column-gap: clamp(1.1rem, 3vw, 2.2rem);
}

.site-nav a {
  color: var(--text-muted);
  font-family: var(--display);
  font-size: 0.95rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.8rem 0;
  white-space: nowrap;
}
.site-nav a:hover { color: var(--gold-bright); text-decoration: none; }
.site-nav a[aria-current="page"] {
  color: var(--gold-bright);
  box-shadow: inset 0 -1px 0 var(--gold);
}

.nav-cta {
  border: 1px solid var(--gold);
  color: var(--gold-bright) !important;
  padding: 0.42rem 1rem !important;
  margin: 0.45rem 0;
  transition: background 0.25s ease;
}
.nav-cta:hover { background: rgba(196, 162, 101, 0.12); text-decoration: none; }
.nav-cta[aria-current="page"] { box-shadow: none; background: rgba(196, 162, 101, 0.12); }

/* Mobile nav */
.nav-toggle { display: none; }
@media (max-width: 900px) {
  .brand-row { padding-bottom: 1.1rem; }
  .nav-toggle {
    display: block;
    margin: 0 auto 0.9rem;
    background: none;
    border: 1px solid var(--night-line);
    color: var(--silver);
    font-family: var(--display);
    letter-spacing: 0.18em;
    text-transform: uppercase;
    font-size: 0.85rem;
    padding: 0.45rem 1.3rem;
    cursor: pointer;
  }
  .nav-row { border-top: none; }
  .site-nav {
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 0;
    border-top: 1px solid var(--night-line);
    background: var(--night-raised);
  }
  .site-nav.open { display: flex; }
  .site-nav a { padding: 0.85rem 1.5rem; text-align: center; }
  .site-nav a[aria-current="page"] { box-shadow: inset 3px 0 0 var(--gold); }
  .nav-cta { border: none; margin: 0; }
}

/* ---------- Typography ---------- */

h1, h2, h3, h4 { font-family: var(--display); font-weight: 600; color: var(--silver); }

.eyebrow {
  font-family: var(--display);
  font-size: 0.9rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1rem;
}

.page-title {
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  line-height: 1.12;
  letter-spacing: 0.02em;
  margin-bottom: 1.4rem;
}

.gold { color: var(--gold-bright); }

.lede {
  font-size: 1.32rem;
  line-height: 1.6;
  color: var(--text);
}

.muted { color: var(--text-muted); }

/* ❖ divider — the document's own section mark */
.diamond-divider {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.1rem;
  margin: 3.5rem auto;
  color: var(--gold);
  font-size: 1rem;
}
.diamond-divider::before,
.diamond-divider::after {
  content: "";
  height: 1px;
  width: min(120px, 22vw);
  background: linear-gradient(to var(--dir, right), transparent, var(--gold-faint));
}
.diamond-divider::before { --dir: right; }
.diamond-divider::after { --dir: left; }

/* ---------- Layout ---------- */

.container { max-width: 1100px; margin: 0 auto; padding: 0 1.5rem; }
.prose { max-width: var(--measure); }
.prose p + p { margin-top: 1.1em; }

section { padding: 4.5rem 0; }

/* ---------- Buttons ---------- */

.btn {
  display: inline-block;
  font-family: var(--display);
  font-size: 1rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 0.85rem 1.9rem;
  border: 1px solid var(--gold);
  color: var(--gold-bright);
  transition: background 0.25s ease, color 0.25s ease;
}
.btn:hover { background: rgba(196, 162, 101, 0.12); text-decoration: none; }
.btn-solid { background: var(--gold); color: var(--night); font-weight: 600; }
.btn-solid:hover { background: var(--gold-bright); color: var(--night); }
.btn-quiet { border-color: var(--night-line); color: var(--silver); }
.btn-quiet:hover { border-color: var(--gold); color: var(--gold-bright); background: none; }

/* ---------- Footer ---------- */

.site-footer {
  border-top: 1px solid var(--night-line);
  padding: 3.5rem 0 3rem;
  margin-top: 2rem;
}
.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 2rem;
  align-items: start;
}
.footer-inner img { width: 72px; height: 72px; opacity: 0.85; }
.footer-text { font-size: 0.98rem; color: var(--text-muted); max-width: 62ch; }
.footer-text p + p { margin-top: 0.6em; }
.footer-motto {
  font-family: var(--display);
  font-style: italic;
  color: var(--gold);
  font-size: 1.08rem;
}
@media (max-width: 600px) {
  .footer-inner { grid-template-columns: 1fr; }
}

/* ---------- Page hero (interior pages) ---------- */
.page-hero { padding: 3.5rem 0 2.5rem; border-bottom: 1px solid var(--night-line); }

/* ---------- Code reader layout ---------- */
.code-layout { display: grid; grid-template-columns: 260px 1fr; gap: 3rem; padding: 3rem 1.5rem 4rem; align-items: start; }
.code-sidebar { position: sticky; top: 1.5rem; }
.toc-collapse { display: none; }
.code-toc { display: flex; flex-direction: column; font-family: var(--display); }
.toc-label { font-size: 0.85rem; letter-spacing: 0.3em; text-transform: uppercase; color: var(--gold); margin-bottom: 0.9rem; }
.code-toc a { color: var(--text-muted); font-size: 0.98rem; padding: 0.32rem 0; line-height: 1.35; }
.code-toc a:hover { color: var(--gold-bright); text-decoration: none; }
.code-toc a.toc-part { letter-spacing: 0.05em; border-top: 1px solid var(--night-line); padding: 0.55rem 0; }
.code-toc a.toc-part.current { color: var(--gold-bright); }
.toc-sections { display: flex; flex-direction: column; margin: 0.2rem 0 0.6rem; border-left: 1px solid var(--night-line); padding-left: 0.9rem; }
.toc-sections a { font-size: 0.92rem; }
@media (max-width: 900px) {
  .code-layout { grid-template-columns: 1fr; gap: 1.5rem; }
  .code-sidebar { position: static; }
  .toc-desktop { display: none; }
  .toc-collapse { display: block; border: 1px solid var(--night-line); background: var(--night-raised); padding: 0.8rem 1.1rem; }
  .toc-collapse summary { font-family: var(--display); letter-spacing: 0.14em; text-transform: uppercase; font-size: 0.9rem; color: var(--gold); cursor: pointer; }
  .toc-collapse .code-toc { margin-top: 0.8rem; }
}

.code-article h2 { font-size: 1.9rem; letter-spacing: 0.03em; margin: 2.8rem 0 1.1rem; scroll-margin-top: 1.5rem; }
.code-article h3 { font-size: 1.4rem; letter-spacing: 0.03em; color: var(--gold-bright); margin: 2.1rem 0 0.8rem; scroll-margin-top: 1.5rem; }
.code-article h2:first-of-type { margin-top: 1rem; }
.code-article p { margin: 0 0 1.05em; }
.code-article .diamond-divider { margin: 2.6rem auto; }

.lead-in { font-weight: 500; font-style: italic; color: var(--gold-bright); }
.commentary, .doc-note { font-style: italic; color: #b9c1cd; border-left: 2px solid var(--gold-faint); padding-left: 1.1rem; }
.quad { border-left: 2px solid var(--night-line); padding-left: 1.1rem; }

.std { display: grid; grid-template-columns: auto 1fr; gap: 0.8rem; scroll-margin-top: 1.5rem; }
.std-num { font-family: var(--display); font-weight: 600; color: var(--gold); letter-spacing: 0.04em; white-space: nowrap; padding-top: 0.05rem; }

.pager { display: flex; justify-content: space-between; gap: 1rem; margin-top: 3.5rem; padding-top: 1.5rem; border-top: 1px solid var(--night-line); font-family: var(--display); letter-spacing: 0.06em; }

/* ---------- Code overview ---------- */
.code-overview { display: grid; grid-template-columns: 300px 1fr; gap: 3rem; align-items: start; }
.cover-col { text-align: center; }
.cover-col img { border: 1px solid var(--night-line); box-shadow: 0 20px 50px rgba(0,0,0,0.5); }
@media (max-width: 900px) { .code-overview { grid-template-columns: 1fr; } .cover-col { max-width: 320px; margin: 0 auto; } }
.layer-list { display: flex; flex-direction: column; gap: 1rem; margin-top: 1.6rem; }
.layer { display: block; border: 1px solid var(--night-line); background: var(--night-raised); padding: 1.5rem 1.6rem; color: var(--text); transition: border-color 0.25s ease; }
.layer:hover { border-color: var(--gold); text-decoration: none; }
.layer h3 { color: var(--gold-bright); font-size: 1.3rem; margin-bottom: 0.4rem; }
.layer p { color: var(--text-muted); font-size: 1.02rem; line-height: 1.55; }

/* ---------- Covenant panel (commitment statement) ---------- */
.covenant { border: 1px solid var(--gold-faint); background: var(--night-raised); padding: 2.4rem 2.4rem 2.2rem; margin: 2rem 0; position: relative; }
.covenant::before { content: "❖"; position: absolute; top: -0.75rem; left: 50%; transform: translateX(-50%); background: var(--night); padding: 0 0.9rem; color: var(--gold); }
.covenant p { font-family: var(--display); font-size: 1.22rem; line-height: 1.62; font-style: italic; color: #cfd6e0; }
.covenant p + p { margin-top: 1em; }

/* ---------- Form placeholder / embeds ---------- */
.form-slot { border: 1px dashed var(--gold-faint); background: var(--night-raised); padding: 2.5rem 2rem; text-align: center; margin-top: 2rem; }
.form-slot p { color: var(--text-muted); font-size: 1.02rem; }
.form-slot iframe { border: none; width: 100%; }

/* ---------- FAQ ---------- */
.faq-item { border-bottom: 1px solid var(--night-line); }
.faq-item summary { font-family: var(--display); font-size: 1.35rem; font-weight: 500; color: var(--silver); padding: 1.3rem 2.2rem 1.3rem 0; cursor: pointer; list-style: none; position: relative; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; position: absolute; right: 0.3rem; top: 50%; transform: translateY(-50%); color: var(--gold); font-size: 1.6rem; font-weight: 400; }
.faq-item[open] summary::after { content: "−"; }
.faq-item summary:hover { color: var(--gold-bright); }
.faq-answer { padding: 0 0 1.6rem; max-width: var(--measure); }
.faq-answer p + p { margin-top: 0.9em; }

/* ---------- Signatory roll ---------- */
.roll { list-style: none; margin-top: 2rem; }
.roll li { border-top: 1px solid var(--night-line); padding: 1.3rem 0; display: grid; grid-template-columns: 1fr; gap: 0.15rem; }
.roll li:last-child { border-bottom: 1px solid var(--night-line); }
.roll .name { font-family: var(--display); font-size: 1.35rem; font-weight: 600; color: var(--gold-bright); letter-spacing: 0.03em; }
.roll .domains { color: var(--text); font-size: 1.05rem; }
.roll .affil { color: var(--text-muted); font-size: 0.98rem; font-style: italic; }

/* ---------- Version history ---------- */
.versions { margin-top: 1.5rem; }
.versions .v { border-left: 2px solid var(--gold-faint); padding: 0.2rem 0 1.4rem 1.4rem; position: relative; }
.versions .v::before { content: "❖"; position: absolute; left: -0.55rem; top: 0.15rem; color: var(--gold); background: var(--night); font-size: 0.85rem; }
.versions h3 { font-size: 1.25rem; color: var(--gold-bright); }
.versions .date { font-family: var(--display); letter-spacing: 0.16em; text-transform: uppercase; font-size: 0.85rem; color: var(--text-muted); margin: 0.15rem 0 0.4rem; }

/* ---------- Tally embeds ---------- */
.form-embed { border: 1px solid var(--night-line); background: var(--night-raised); padding: 1.6rem 1.4rem; margin-top: 2rem; }
.form-embed iframe { border: none; width: 100%; }