:root {
  --bg: #f7f4ef;
  --bg-soft: #efeae0;
  --surface: #ffffff;
  --ink: #1f1d1a;
  --ink-soft: #4a4640;
  --ink-muted: #7a746a;
  --rule: #e3ddd2;
  --rule-strong: #cdc4b3;
  --accent: #6b4a2b;
  --accent-soft: #a07a52;
  --max-width: 760px;
  --max-width-wide: 920px;
  --serif: "Iowan Old Style", "Charter", "Source Serif Pro", "Georgia", serif;
  --sans: -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI", system-ui, sans-serif;
  --mono: "SF Mono", "Menlo", "Consolas", monospace;
}

* { box-sizing: border-box; }

html, body { margin: 0; padding: 0; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: var(--accent); }

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

/* ---------- Layout primitives ---------- */
.wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.wrap-wide {
  max-width: var(--max-width-wide);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Site header ---------- */
.site-header {
  border-bottom: 1px solid var(--rule);
  background: var(--bg);
}

.site-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 24px;
  max-width: var(--max-width-wide);
  margin: 0 auto;
  gap: 24px;
  flex-wrap: wrap;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--ink);
}

.brand-mark-svg {
  width: 36px;
  height: 36px;
  display: block;
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.brand-name {
  font-family: var(--serif);
  font-size: 19px;
  font-weight: 600;
  letter-spacing: 0.005em;
  color: var(--ink);
}

.brand-sub {
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-top: 2px;
}

.site-nav {
  display: flex;
  gap: 22px;
  font-size: 15px;
}

.site-nav a {
  color: var(--ink-soft);
  text-decoration: none;
  padding: 4px 0;
  border-bottom: 1px solid transparent;
  transition: color 0.15s ease, border-color 0.15s ease;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--ink);
  border-bottom-color: var(--accent);
}

/* ---------- Hero ---------- */
.hero {
  padding: 64px 0 40px;
  border-bottom: 1px solid var(--rule);
}

.hero-eyebrow {
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 18px;
  font-weight: 600;
}

.hero h1 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(34px, 5.2vw, 50px);
  line-height: 1.1;
  letter-spacing: -0.012em;
  margin: 0 0 22px;
  max-width: 18ch;
}

.hero .lede {
  font-size: 20px;
  line-height: 1.55;
  color: var(--ink-soft);
  margin: 0;
  max-width: 38em;
}

/* ---------- Page header (subpages) ---------- */
.page-header {
  padding: 56px 0 32px;
  border-bottom: 1px solid var(--rule);
}

.page-eyebrow {
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 14px;
  font-weight: 600;
}

.page-header h1 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(30px, 4.4vw, 40px);
  line-height: 1.15;
  letter-spacing: -0.008em;
  margin: 0 0 18px;
}

.page-header .lede {
  font-size: 18px;
  color: var(--ink-soft);
  margin: 0;
  max-width: 38em;
}

/* ---------- Sections ---------- */
.section {
  padding: 44px 0;
  border-bottom: 1px solid var(--rule);
}

.section:last-of-type {
  border-bottom: none;
}

.section h2 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 26px;
  letter-spacing: 0.005em;
  margin: 0 0 18px;
}

.section h3 {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 19px;
  margin: 28px 0 10px;
}

.section p {
  margin: 0 0 14px;
  color: var(--ink-soft);
}

.section p:last-child {
  margin-bottom: 0;
}

.section a {
  color: var(--accent);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.section a:hover { color: var(--ink); }

.section ul {
  margin: 0 0 14px;
  padding-left: 22px;
  color: var(--ink-soft);
}

.section ul li {
  margin-bottom: 6px;
}

/* ---------- Two-column section ---------- */
.cols {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 36px;
}

@media (max-width: 640px) {
  .cols { grid-template-columns: 1fr; gap: 24px; }
}

/* ---------- Principle / value cards ---------- */
.principles {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 20px;
}

.principles li {
  border-left: 3px solid var(--accent-soft);
  padding: 14px 18px;
  background: var(--bg-soft);
  border-radius: 0 8px 8px 0;
}

.principles strong {
  display: block;
  font-family: var(--serif);
  font-size: 18px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 4px;
}

.principles p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 16px;
}

/* ---------- Pull quote ---------- */
.pullquote {
  font-family: var(--serif);
  font-size: 22px;
  line-height: 1.4;
  font-style: italic;
  color: var(--ink);
  border-left: 3px solid var(--accent);
  padding: 8px 0 8px 22px;
  margin: 28px 0;
  max-width: 32em;
}

/* ---------- Featured / call-out card ---------- */
.callout {
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: 12px;
  padding: 24px 26px;
  margin: 24px 0;
}

.callout .callout-eyebrow {
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin: 0 0 6px;
  font-weight: 600;
}

.callout h3 {
  font-family: var(--serif);
  font-size: 22px;
  margin: 0 0 8px;
  font-weight: 500;
}

.callout p {
  margin: 0 0 12px;
  color: var(--ink-soft);
}

.callout .read-more {
  display: inline-block;
  margin-top: 4px;
  font-size: 15px;
  color: var(--accent);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid var(--accent);
  padding-bottom: 1px;
}

.callout .read-more:hover { color: var(--ink); border-color: var(--ink); }

/* ---------- Notes / essay ---------- */
.essay {
  padding: 32px 0 64px;
}

.essay-meta {
  font-size: 13px;
  color: var(--ink-muted);
  margin: 0 0 24px;
  letter-spacing: 0.04em;
}

.essay h1 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(28px, 4.4vw, 38px);
  line-height: 1.2;
  margin: 0 0 16px;
  letter-spacing: -0.005em;
}

.essay-body {
  font-size: 18px;
  line-height: 1.7;
  color: var(--ink);
  margin-top: 28px;
}

.essay-body p {
  margin: 0 0 18px;
}

.essay-body h2 {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 22px;
  margin: 36px 0 12px;
}

.essay-body code {
  font-family: var(--mono);
  font-size: 15px;
  background: var(--bg-soft);
  padding: 1px 6px;
  border-radius: 4px;
}

.essay-body blockquote {
  margin: 24px 0;
  padding: 4px 0 4px 18px;
  border-left: 3px solid var(--accent-soft);
  color: var(--ink-soft);
  font-style: italic;
}

.notes-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.notes-list li {
  padding: 22px 0;
  border-bottom: 1px solid var(--rule);
}

.notes-list li:first-child { padding-top: 4px; }
.notes-list li:last-child { border-bottom: none; }

.notes-list .date {
  font-size: 13px;
  color: var(--ink-muted);
  letter-spacing: 0.04em;
  display: block;
  margin-bottom: 4px;
}

.notes-list a.title {
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 500;
  color: var(--ink);
  text-decoration: none;
  display: block;
  line-height: 1.3;
  margin-bottom: 6px;
}

.notes-list a.title:hover { color: var(--accent); }

.notes-list .summary {
  color: var(--ink-soft);
  font-size: 16px;
  margin: 0;
}

/* ---------- Contact ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 28px;
  margin-top: 12px;
}

@media (max-width: 640px) {
  .contact-grid { grid-template-columns: 1fr; }
}

.contact-card {
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: 10px;
  padding: 22px 24px;
}

.contact-card h3 {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 17px;
  margin: 0 0 6px;
  color: var(--ink);
}

.contact-card p {
  margin: 0 0 10px;
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.55;
}

.contact-card a {
  color: var(--accent);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid var(--accent);
  padding-bottom: 1px;
}

.contact-card a:hover { color: var(--ink); border-color: var(--ink); }

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--rule);
  margin-top: 48px;
  padding: 36px 24px 48px;
  background: var(--bg-soft);
}

.site-footer-inner {
  max-width: var(--max-width-wide);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  align-items: end;
}

@media (max-width: 640px) {
  .site-footer-inner { grid-template-columns: 1fr; gap: 16px; text-align: left; }
}

.site-footer .footer-entity {
  font-size: 14px;
  color: var(--ink-soft);
  margin: 0;
  line-height: 1.6;
}

.site-footer .footer-entity strong {
  font-family: var(--serif);
  font-size: 16px;
  color: var(--ink);
  font-weight: 600;
  display: block;
  margin-bottom: 2px;
}

.site-footer .footer-meta {
  font-size: 13px;
  color: var(--ink-muted);
  margin: 0;
  text-align: right;
}

@media (max-width: 640px) {
  .site-footer .footer-meta { text-align: left; }
}

.site-footer .footer-meta a {
  color: var(--ink-muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.site-footer .footer-meta a:hover {
  color: var(--ink);
  border-bottom-color: var(--ink-muted);
}

/* ---------- Dark mode ---------- */
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #181513;
    --bg-soft: #211d1a;
    --surface: #211d1a;
    --ink: #f0eae0;
    --ink-soft: #c8c0b3;
    --ink-muted: #8a8478;
    --rule: #2e2924;
    --rule-strong: #3d362f;
    --accent: #c9a17a;
    --accent-soft: #8e6c4d;
  }

  .callout, .contact-card { background: #1f1b18; }
}