.doc-shell {
  max-width: 860px;
  margin: 0 auto;
  padding: 0 var(--gut);
}
.doc-header {
  padding: clamp(40px, 5vw, 80px) 0 32px;
  border-bottom: 1px solid var(--rule);
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.doc-header h1 {
  font-family: 'Georgia', 'Times New Roman', serif;
  font-size: clamp(36px, 5vw, 64px);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 0.96;
}
.doc-header h1 em {
  font-style: italic;
  font-weight: 400;
  color: var(--ink-mute);
}
.doc-meta {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ink-mute);
}
.doc-meta .val { color: var(--ink); }
.doc-body {
  padding: 40px 0 80px;
}
.doc-body h2 {
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink);
  margin: 48px 0 8px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--rule-soft);
}
.doc-body h2:first-child { margin-top: 0; }
.doc-body h3 {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-mute);
  margin: 24px 0 6px;
}
.doc-body p {
  font-size: 14px;
  line-height: 1.65;
  color: var(--ink-soft);
  margin: 12px 0;
  max-width: 72ch;
}
.doc-body ul {
  list-style: none;
  padding: 0;
  margin: 12px 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.doc-body ul li {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--ink-soft);
  padding-left: 16px;
  position: relative;
}
.doc-body ul li::before {
  content: "›";
  position: absolute;
  left: 0;
  color: var(--accent);
}
.doc-body strong {
  color: var(--ink);
  font-weight: 600;
}
.doc-foot {
  border-top: 1px solid var(--rule);
  padding: 24px 0 40px;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink-mute);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}
.doc-foot a { color: var(--accent); }
.doc-foot a:hover { text-decoration: underline; }
.doc-nav {
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--gut);
  border-bottom: 1px solid var(--rule);
  max-width: 860px;
  margin: 0 auto;
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}
.doc-nav a {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
}
.doc-nav a:hover { color: var(--accent); }
.doc-nav img { width: 24px; height: 24px; border-radius: 3px; }
.sec-num {
  display: inline-block;
  font-family: var(--mono);
  font-size: 10px;
  background: var(--ink);
  color: var(--bg);
  padding: 2px 6px;
  margin-right: 8px;
  letter-spacing: 0.08em;
}