:root {
  --cream:   #FAF9F5;
  --cream-2: #F3EFE6;
  --cream-3: #ECE6D6;
  --ink:     #181818;
  --ink-2:   #29261B;
  --ink-3:   #5A574E;
  --ink-4:   #8C8779;
  --rule:    #E2DCCC;
  --rule-2:  #D5CEB8;
  --clay:    #D97757;
  --clay-2:  #C2603F;
  --clay-3:  #F2D9C9;
  --paper:   #FFFFFF;

  --serif: "Instrument Serif", "Times New Roman", Georgia, serif;
  --sans:  "Geist", -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  --mono:  "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  background: var(--cream);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16.5px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
::selection { background: var(--clay); color: var(--cream); }
a { color: var(--ink); text-decoration: underline; text-decoration-color: var(--rule-2); text-underline-offset: 3px; }
a:hover { text-decoration-color: var(--clay); color: var(--clay-2); }
a:focus-visible { outline: 2px solid var(--clay); outline-offset: 3px; border-radius: 2px; }

/* ---------- NAV ---------- */
nav.top {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--cream) 88%, transparent);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--rule);
}
.nav-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 18px 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo {
  font-family: var(--serif);
  font-size: 28px;
  letter-spacing: -0.01em;
  color: var(--ink);
  text-decoration: none;
  display: inline-flex; align-items: baseline; gap: 2px;
}
.logo:hover { color: var(--ink); text-decoration: none; }
.logo .dot {
  width: 6px; height: 6px;
  background: var(--clay);
  border-radius: 50%;
  display: inline-block;
  margin: 0 2px;
  transform: translateY(-2px);
}
.logo .tag {
  font-family: var(--mono);
  font-size: 11.5px;
  color: var(--ink-3);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-left: 14px;
  padding-left: 14px;
  border-left: 1px solid var(--rule-2);
  transform: translateY(-3px);
}
.back-link {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 14px;
  color: var(--ink-3);
  text-decoration: none;
  font-family: var(--sans);
}
.back-link:hover { color: var(--clay-2); }
.back-link svg { width: 14px; height: 14px; }

/* ---------- DOC HEADER ---------- */
.doc-head {
  max-width: 1280px;
  margin: 0 auto;
  padding: 72px 40px 56px;
  border-bottom: 1px solid var(--rule);
}
.doc-head .eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.doc-head .eyebrow .pip {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--clay);
}
.doc-head h1 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(48px, 7vw, 92px);
  letter-spacing: -0.02em;
  line-height: 1.0;
  margin: 22px 0 8px;
  color: var(--ink);
  max-width: 14ch;
}
.doc-head h1 em {
  font-style: italic;
  color: var(--clay);
}
.doc-head .lede {
  font-family: var(--serif);
  font-size: 22px;
  line-height: 1.45;
  color: var(--ink-2);
  max-width: 48ch;
  margin: 24px 0 0;
}
.doc-head .meta-row {
  display: flex; flex-wrap: wrap; gap: 12px;
  margin-top: 36px;
  align-items: center;
}
.meta-chip {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 7px 13px;
  background: var(--paper);
  border: 1px solid var(--rule);
  border-radius: 999px;
  font-family: var(--mono);
  font-size: 11.5px;
  color: var(--ink-3);
  letter-spacing: 0.04em;
}
.meta-chip b { color: var(--ink); font-weight: 500; }
.meta-chip .dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: oklch(0.70 0.15 145);
  box-shadow: 0 0 0 0 oklch(0.70 0.15 145 / 0.4);
  animation: pulse 2.2s ease-out infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 oklch(0.70 0.15 145 / 0.45); }
  70% { box-shadow: 0 0 0 8px oklch(0.70 0.15 145 / 0); }
  100% { box-shadow: 0 0 0 0 oklch(0.70 0.15 145 / 0); }
}

/* ---------- LAYOUT: TOC + BODY ---------- */
.doc-grid {
  max-width: 1280px;
  margin: 0 auto;
  padding: 64px 40px 120px;
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 80px;
  align-items: start;
}

/* ---------- TOC RAIL ---------- */
aside.toc {
  position: sticky;
  top: 96px;
  align-self: start;
  max-height: calc(100vh - 120px);
  overflow-y: auto;
  padding-right: 8px;
}
.toc-label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-4);
  margin-bottom: 14px;
}
.toc ol {
  list-style: none;
  margin: 0; padding: 0;
  counter-reset: toc;
}
.toc li {
  counter-increment: toc;
  margin-bottom: 2px;
}
.toc a {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 8px;
  padding: 6px 0;
  font-size: 13.5px;
  color: var(--ink-3);
  text-decoration: none;
  line-height: 1.35;
  border-left: 2px solid transparent;
  padding-left: 10px;
  margin-left: -12px;
  transition: color .15s ease, border-color .15s ease;
}
.toc a::before {
  content: counter(toc, decimal-leading-zero);
  font-family: var(--mono);
  font-size: 10.5px;
  color: var(--ink-4);
  letter-spacing: 0.04em;
  padding-top: 2px;
}
.toc a:hover { color: var(--ink); }
.toc a.active {
  color: var(--ink);
  border-left-color: var(--clay);
}
.toc a.active::before { color: var(--clay); }

/* ---------- DOC BODY ---------- */
article.doc {
  max-width: 70ch;
  font-size: 17px;
  line-height: 1.7;
}
article.doc > section {
  padding: 8px 0 56px;
  scroll-margin-top: 96px;
}
article.doc > section + section {
  border-top: 1px solid var(--rule);
  padding-top: 56px;
}
.sec-num {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-4);
  margin-bottom: 14px;
}
.sec-num .pip {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--clay);
}
article.doc h2 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(32px, 3.4vw, 44px);
  letter-spacing: -0.015em;
  line-height: 1.08;
  margin: 0 0 12px;
  color: var(--ink);
}
article.doc h2 em {
  font-style: italic;
  color: var(--clay);
}
article.doc h3 {
  font-family: var(--sans);
  font-size: 18px;
  font-weight: 600;
  margin: 36px 0 10px;
  color: var(--ink);
}
article.doc p {
  margin: 0 0 18px;
  color: var(--ink-2);
}
article.doc p.caps {
  font-size: 14px;
  line-height: 1.65;
  letter-spacing: 0.005em;
  color: var(--ink-3);
}
article.doc strong { font-weight: 600; color: var(--ink); }
article.doc .term {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.08em;
  color: var(--clay-2);
  font-weight: 400;
}
article.doc ul, article.doc ol {
  margin: 0 0 22px;
  padding-left: 0;
  list-style: none;
}
article.doc ul li, article.doc ol li {
  position: relative;
  padding-left: 26px;
  margin-bottom: 8px;
  color: var(--ink-2);
}
article.doc ul li::before {
  content: "";
  position: absolute;
  left: 6px; top: 0.78em;
  width: 8px; height: 1px;
  background: var(--clay);
}
article.doc ol {
  counter-reset: ord;
}
article.doc ol li {
  counter-increment: ord;
}
article.doc ol li::before {
  content: counter(ord, decimal-leading-zero);
  position: absolute;
  left: 0; top: 1px;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--clay-2);
  letter-spacing: 0.04em;
}

/* ---------- PLAIN-ENGLISH CALLOUT ---------- */
.plain {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  margin: 0 0 28px;
  padding: 18px 22px;
  background: var(--cream-2);
  border: 1px solid var(--rule);
  border-radius: 14px;
  position: relative;
}
.plain .tag {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--clay-2);
  font-weight: 500;
  padding-top: 3px;
  white-space: nowrap;
}
.plain .text {
  font-family: var(--serif);
  font-size: 19px;
  line-height: 1.45;
  color: var(--ink-2);
  font-style: italic;
}
.plain .text em {
  font-style: normal;
  color: var(--clay-2);
}

/* ---------- MARGINALIA ---------- */
.margin-note {
  font-family: var(--mono);
  font-size: 11.5px;
  color: var(--ink-4);
  letter-spacing: 0.02em;
  line-height: 1.6;
  border-left: 2px solid var(--clay);
  padding: 4px 0 4px 14px;
  margin: 28px 0;
  max-width: 52ch;
}
.margin-note b {
  color: var(--clay-2);
  font-weight: 500;
}

/* ---------- CONTACT BLOCK ---------- */
.contact-card {
  margin-top: 12px;
  padding: 28px 32px;
  background: var(--ink-2);
  color: var(--cream);
  border-radius: 18px;
}
.contact-card .lbl {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-4);
  margin-bottom: 6px;
}
.contact-card .name {
  font-family: var(--serif);
  font-size: 30px;
  letter-spacing: -0.01em;
  margin-bottom: 18px;
}
.contact-card .name em { font-style: italic; color: var(--clay-3); }
.contact-card .rows {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px 32px;
}
.contact-card .row .k {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-4);
  margin-bottom: 4px;
}
.contact-card .row .v {
  font-size: 15px;
  line-height: 1.45;
  color: var(--cream);
}
.contact-card .row .v a {
  color: var(--cream);
  text-decoration-color: rgba(255,255,255,0.25);
}
.contact-card .row .v a:hover {
  color: var(--clay-3);
  text-decoration-color: var(--clay);
}

/* ---------- LANDING PAGE (INDEX) ---------- */
.landing {
  max-width: 1280px;
  margin: 0 auto;
  padding: 72px 40px 120px;
}
.landing .eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.landing .eyebrow .pip {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--clay);
}
.landing h1 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(56px, 8vw, 112px);
  letter-spacing: -0.02em;
  line-height: 1.0;
  margin: 22px 0 24px;
  max-width: 12ch;
}
.landing h1 em { font-style: italic; color: var(--clay); }
.landing .lede {
  font-family: var(--serif);
  font-size: 24px;
  line-height: 1.5;
  color: var(--ink-2);
  max-width: 52ch;
}
.doc-list {
  margin-top: 72px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border-top: 1px solid var(--rule);
}
.doc-list a.doc-row {
  display: grid;
  grid-template-columns: 80px 1fr auto;
  gap: 32px;
  align-items: baseline;
  padding: 32px 0;
  border-bottom: 1px solid var(--rule);
  color: var(--ink);
  text-decoration: none;
  transition: padding-left .25s ease, background-color .25s ease;
}
.doc-list a.doc-row:hover {
  padding-left: 8px;
  background-color: color-mix(in srgb, var(--cream-2) 60%, transparent);
}
.doc-list .row-num {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--ink-4);
  letter-spacing: 0.06em;
  padding-top: 8px;
}
.doc-list .row-body .row-title {
  font-family: var(--serif);
  font-size: clamp(28px, 3.2vw, 40px);
  font-weight: 400;
  letter-spacing: -0.01em;
  line-height: 1.1;
  margin: 0 0 6px;
}
.doc-list .row-body .row-title em { font-style: italic; color: var(--clay); }
.doc-list .row-body .row-desc {
  font-size: 15px;
  color: var(--ink-3);
  line-height: 1.55;
  max-width: 60ch;
}
.doc-list .row-arrow {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--ink-4);
  letter-spacing: 0.04em;
  padding-top: 12px;
  white-space: nowrap;
}
.doc-list a.doc-row:hover .row-arrow { color: var(--clay-2); }

/* ---------- FOOTER ---------- */
footer.site-footer {
  border-top: 1px solid var(--rule);
  background: var(--cream);
}
.foot-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 36px 40px 56px;
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 18px;
  font-family: var(--mono);
  font-size: 11.5px;
  color: var(--ink-4);
  letter-spacing: 0.04em;
}
.foot-inner .links { display: flex; gap: 22px; }
.foot-inner a { color: var(--ink-4); text-decoration: none; }
.foot-inner a:hover { color: var(--clay-2); }

/* ---------- RESPONSIVE ---------- */
@media (max-width: 900px) {
  .nav-inner, .doc-head, .foot-inner, .landing { padding-left: 24px; padding-right: 24px; }
  .doc-grid {
    grid-template-columns: 1fr;
    gap: 40px;
    padding: 40px 24px 80px;
  }
  aside.toc {
    position: static;
    max-height: none;
    overflow: visible;
    padding: 18px 20px;
    background: var(--paper);
    border: 1px solid var(--rule);
    border-radius: 14px;
  }
  .contact-card .rows { grid-template-columns: 1fr; }
  .logo .tag { display: none; }
  .doc-list a.doc-row { grid-template-columns: 56px 1fr; gap: 20px; }
  .doc-list .row-arrow { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .meta-chip .dot { animation: none; }
}

/* ---------- PRINT ---------- */
@media print {
  nav.top, aside.toc, footer.site-footer, .back-link { display: none !important; }
  body { background: #fff; font-size: 11pt; line-height: 1.5; }
  .doc-grid { display: block; padding: 0; }
  article.doc { max-width: none; }
  article.doc > section { break-inside: avoid; padding: 18pt 0; }
  .plain { background: #f6f4ef; border-color: #ddd; }
  .contact-card { background: #f6f4ef; color: #181818; }
  .contact-card .lbl, .contact-card .row .k { color: #666; }
  .contact-card .row .v, .contact-card .row .v a { color: #181818; }
  .doc-head { padding: 0 0 18pt; }
  h1, h2 { page-break-after: avoid; }
  .meta-chip .dot { animation: none; }
}