:root {
  --text: #1a1a17;
  --ink: #111110;
  --muted: #5e5b54;
  --dim: #8c8980;
  --bg: #fbfaf6;
  --paper: #f3efe4;
  --accent: #1f3a5f;
  --accent-hover: #2d5288;
  --border: #d8d2c4;
  --border-strong: #b8b1a0;
  --rule: #1a1a17;
}

*, *::before, *::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: ui-serif, "Iowan Old Style", "Charter", "Source Serif Pro", Georgia, "Times New Roman", serif;
  font-size: 18px;
  line-height: 1.62;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: "kern" 1, "liga" 1, "onum" 1;
  text-rendering: optimizeLegibility;
}

.container {
  max-width: 36rem;
  margin: 0 auto;
  padding: 0 1.5rem;
}

main.container { padding-top: 3rem; padding-bottom: 1rem; }

a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
  text-decoration-color: rgba(31, 58, 95, 0.4);
}
a:hover {
  color: var(--accent-hover);
  text-decoration-color: var(--accent-hover);
}

p { margin: 0 0 1.25rem; }
strong { font-weight: 600; }
em { font-style: italic; }

.sans, nav, .label, .case-num, .meta, .status-tag, .site-footer, .ornament {
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

.mono, .label, .case-num, .meta, .status-tag, .facts-list dt, .project-meta dt {
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
}

/* ---------- Inline small caps utility ---------- */

.sc {
  font-family: ui-sans-serif, system-ui, -apple-system, sans-serif;
  text-transform: uppercase;
  font-size: 0.78em;
  letter-spacing: 0.09em;
  font-weight: 600;
  color: var(--ink);
}

/* ---------- Header ---------- */

.site-header {
  border-bottom: 1px solid var(--border);
  padding: 1.15rem 0;
  background: var(--bg);
}
.site-header .container {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 0.6rem 1.5rem;
}

.site-name {
  font-family: ui-serif, "Iowan Old Style", "Charter", Georgia, serif;
  font-weight: 600;
  color: var(--ink);
  text-decoration: none;
  font-size: 1.05rem;
  letter-spacing: -0.005em;
}
.site-name:hover { color: var(--accent); }

nav { display: flex; gap: 1.4rem; flex-wrap: wrap; }
nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.86rem;
  letter-spacing: 0.005em;
}
nav a:hover { color: var(--accent); }
nav a[aria-current="page"] { color: var(--ink); }

/* ---------- Headings ---------- */

h1 {
  font-family: ui-serif, "Iowan Old Style", "Charter", Georgia, serif;
  font-size: 2.8rem;
  line-height: 1.05;
  margin: 0 0 0.5rem;
  font-weight: 600;
  letter-spacing: -0.025em;
  color: var(--ink);
}

h2 {
  font-family: ui-serif, "Iowan Old Style", "Charter", Georgia, serif;
  font-size: 1.55rem;
  font-weight: 600;
  margin: 0 0 1.1rem;
  letter-spacing: -0.012em;
  color: var(--ink);
}

h3 {
  font-family: ui-serif, "Iowan Old Style", "Charter", Georgia, serif;
  font-size: 1.18rem;
  font-weight: 600;
  margin: 0 0 0.45rem;
  letter-spacing: -0.005em;
  color: var(--ink);
}

.label {
  display: block;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 1.1rem;
}

/* ---------- Sections / rules ---------- */

section {
  padding: 2.5rem 0;
  border-top: 1px solid var(--border-strong);
  position: relative;
}
section:first-child {
  padding-top: 0;
  border-top: none;
}

/* ornamented section break: a § symbol on the rule */
section.ornamented::before {
  content: "§";
  position: absolute;
  top: -0.78rem;
  left: 50%;
  transform: translateX(-50%);
  background: var(--bg);
  padding: 0 0.6rem;
  color: var(--dim);
  font-family: ui-serif, "Iowan Old Style", "Charter", Georgia, serif;
  font-size: 1.05rem;
  font-weight: 400;
  font-style: italic;
}

/* ---------- Hero ---------- */

.hero { padding-bottom: 2.5rem; }

.hero .role,
.eyebrow {
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.74rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 1.4rem;
  font-weight: 600;
}

.lede {
  font-family: ui-serif, "Iowan Old Style", "Charter", Georgia, serif;
  font-size: 1.42rem;
  line-height: 1.38;
  margin: 0 0 1.75rem;
  color: var(--ink);
  letter-spacing: -0.01em;
  font-weight: 500;
}

/* ---------- Drop cap + small caps first line on opening body paragraph ---------- */

.body-open {
  margin-bottom: 1.4rem;
}
.body-open::first-letter {
  font-family: ui-serif, "Iowan Old Style", "Charter", Georgia, serif;
  font-weight: 600;
  font-size: 3.4em;
  float: left;
  line-height: 0.82;
  padding: 0.42rem 0.5rem 0 0.02rem;
  color: var(--ink);
}
.body-open::first-line {
  font-family: ui-sans-serif, system-ui, -apple-system, sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 0.86em;
  font-weight: 600;
  color: var(--ink);
}

.hero .cta {
  display: inline-block;
  margin-top: 0.5rem;
  font-family: ui-sans-serif, system-ui, sans-serif;
  font-size: 0.95rem;
  font-weight: 600;
}

/* ---------- Facts strip ---------- */

.facts-list {
  margin: 0;
  padding: 1.15rem 1.25rem;
  display: grid;
  grid-template-columns: 9rem 1fr;
  row-gap: 0.75rem;
  column-gap: 1.5rem;
  font-size: 0.96rem;
  background: var(--paper);
  border-left: 2px solid var(--ink);
}
.facts-list dt {
  margin: 0;
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 600;
  padding-top: 0.18rem;
}
.facts-list dd {
  margin: 0;
  color: var(--ink);
}

/* ---------- Case cards ---------- */

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

.case-card {
  display: grid;
  grid-template-columns: 3rem 1fr;
  gap: 0 1.25rem;
  padding: 1.5rem 0;
  border-top: 1px solid var(--border);
  align-items: start;
}
.case-card:first-child { border-top: none; padding-top: 0.4rem; }
.case-card:last-child { padding-bottom: 0.2rem; }

.case-num {
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  color: var(--dim);
  font-weight: 600;
  padding-top: 0.55rem;
  font-feature-settings: "tnum" 1;
}

.case-body { min-width: 0; }
.case-body h3 {
  margin: 0 0 0.35rem;
  font-size: 1.18rem;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.5rem 0.6rem;
}
.case-body h3 a { color: var(--ink); text-decoration: none; }
.case-body h3 a:hover { color: var(--accent); text-decoration: underline; }

.case-summary { margin: 0 0 0.5rem; color: var(--text); }
.case-result {
  margin: 0.45rem 0 0.55rem;
  font-size: 0.98rem;
  color: var(--ink);
  padding-left: 0.7rem;
  border-left: 2px solid var(--accent);
}
.case-meta {
  margin: 0.35rem 0 0;
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.76rem;
  letter-spacing: 0.05em;
  color: var(--muted);
}
.case-meta a { color: var(--muted); text-decoration: underline; text-decoration-color: var(--border-strong); }
.case-meta a:hover { color: var(--accent); text-decoration-color: var(--accent); }

.case-card.placeholder .case-body h3 { color: var(--muted); font-weight: 500; }
.case-card.placeholder .case-body h3 a,
.case-card.placeholder .case-body h3 { font-weight: 500; }
.case-card.placeholder .case-summary { color: var(--muted); }

.status-tag {
  display: inline-block;
  font-size: 0.66rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  border: 1px solid var(--border-strong);
  padding: 0.12rem 0.5rem;
  font-weight: 600;
  background: var(--bg);
  white-space: nowrap;
}

/* ---------- Case study (article) page ---------- */

.project-meta {
  display: grid;
  grid-template-columns: 7.5rem 1fr;
  row-gap: 0.6rem;
  column-gap: 1.5rem;
  margin: 1.75rem 0 0;
  padding: 1.1rem 0 1.25rem;
  border-top: 1.5px solid var(--ink);
  border-bottom: 1px solid var(--border-strong);
  font-size: 0.96rem;
}
.project-meta dt {
  margin: 0;
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 600;
  padding-top: 0.22rem;
}
.project-meta dd { margin: 0; color: var(--ink); }

.pullquote {
  margin: 2.25rem 0;
  padding: 1.5rem 1.6rem;
  border-left: 3px solid var(--accent);
  background: var(--paper);
  font-size: 1.22rem;
  line-height: 1.4;
  font-style: italic;
  color: var(--ink);
  font-family: ui-serif, "Iowan Old Style", "Charter", Georgia, serif;
}
.pullquote .attribution {
  display: block;
  margin-top: 0.7rem;
  font-style: normal;
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-weight: 600;
}

dl.metrics {
  margin: 1rem 0 0;
  display: grid;
  grid-template-columns: 11rem 1fr;
  row-gap: 0.95rem;
  column-gap: 1.5rem;
}
dl.metrics dt {
  margin: 0;
  font-family: ui-sans-serif, system-ui, sans-serif;
  font-weight: 600;
  font-size: 0.96rem;
  padding-top: 0.05rem;
  color: var(--ink);
}
dl.metrics dd { margin: 0; color: var(--text); }

/* ---------- SVG chart ---------- */

.chart-wrap {
  margin: 2.25rem 0 0.5rem;
  padding: 1.5rem 1.5rem 1.25rem;
  background: var(--paper);
  border-left: 2px solid var(--ink);
}
.chart-wrap svg { display: block; width: 100%; height: auto; max-width: 28rem; }
.chart-caption {
  margin: 0.85rem 0 0;
  font-size: 0.85rem;
  color: var(--muted);
  line-height: 1.5;
  font-family: ui-sans-serif, system-ui, sans-serif;
}

/* ---------- Method ---------- */

ol.method {
  list-style: none;
  padding: 0;
  margin: 0;
  counter-reset: step;
}
ol.method > li {
  counter-increment: step;
  padding: 1.3rem 0;
  border-top: 1px solid var(--border);
  display: grid;
  grid-template-columns: 2.5rem 1fr;
  gap: 0 1rem;
}
ol.method > li:first-child { border-top: none; padding-top: 0.5rem; }
ol.method > li::before {
  content: counter(step, decimal-leading-zero);
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  color: var(--dim);
  font-weight: 600;
  padding-top: 0.32rem;
}
ol.method h3 { margin: 0 0 0.35rem; font-size: 1.08rem; }
ol.method p { margin: 0; }

/* ---------- Writing ---------- */

.writing-intro {
  color: var(--ink);
  font-size: 1rem;
  margin: 0;
  padding: 1.1rem 1.25rem;
  background: var(--paper);
  border-left: 2px solid var(--ink);
}
.writing-intro strong {
  display: block;
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 600;
  margin-bottom: 0.45rem;
}

.writing-list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.writing-list li {
  padding: 1.5rem 0;
  border-top: 1px solid var(--border);
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.4rem 1.5rem;
  align-items: baseline;
}
.writing-list li:first-child { border-top: none; padding-top: 0.4rem; }
.writing-list h3 {
  grid-column: 1 / 2;
  margin: 0 0 0.4rem;
  font-size: 1.18rem;
  font-weight: 600;
}
.writing-list h3 a { color: var(--ink); text-decoration: none; }
.writing-list h3 a:hover { color: var(--accent); text-decoration: underline; }
.writing-list .meta {
  grid-column: 2 / 3;
  grid-row: 1 / 2;
  text-align: right;
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 600;
  white-space: nowrap;
}
.writing-list .summary {
  grid-column: 1 / -1;
  margin: 0;
  color: var(--muted);
  font-size: 0.98rem;
}
.writing-list .coming h3 { color: var(--muted); font-weight: 500; }

/* ---------- Contact ---------- */

.contact-list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.contact-list li {
  padding: 0.95rem 0;
  border-top: 1px solid var(--border);
  display: grid;
  grid-template-columns: 7rem 1fr;
  gap: 0.4rem 1.5rem;
  align-items: baseline;
}
.contact-list li:first-child { border-top: none; padding-top: 0.3rem; }
.contact-list .label { margin: 0; align-self: baseline; }

/* ---------- Experience timeline ---------- */

.timeline {
  list-style: none;
  margin: 0;
  padding: 0;
}
.timeline li {
  display: grid;
  grid-template-columns: 9rem 1fr;
  gap: 0.4rem 1.5rem;
  padding: 1.15rem 0;
  border-top: 1px solid var(--border);
  align-items: baseline;
}
.timeline li:first-child { border-top: none; padding-top: 0.4rem; }
.timeline .when {
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.72rem;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 600;
  padding-top: 0.18rem;
  white-space: nowrap;
}
.timeline .what { min-width: 0; }
.timeline .role {
  margin: 0 0 0.2rem;
  font-family: ui-serif, "Iowan Old Style", Georgia, serif;
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--ink);
}
.timeline .org {
  margin: 0 0 0.3rem;
  color: var(--muted);
  font-size: 0.95rem;
}
.timeline .stack {
  margin: 0;
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.78rem;
  letter-spacing: 0.03em;
  color: var(--muted);
}
.timeline .education .role { font-weight: 500; }

/* ---------- Anchored case sub-sections ---------- */

.case-section {
  scroll-margin-top: 5rem;
}
.case-section h2.title {
  font-family: ui-serif, "Iowan Old Style", "Charter", Georgia, serif;
  font-size: 2.1rem;
  letter-spacing: -0.018em;
  margin: 0 0 0.4rem;
  font-weight: 600;
  line-height: 1.1;
  color: var(--ink);
}
.case-section .case-eyebrow {
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.74rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 600;
  margin: 0 0 0.85rem;
}
.case-section ul.outcomes {
  list-style: none;
  padding: 0;
  margin: 1.1rem 0 0;
}
.case-section ul.outcomes li {
  padding: 0.65rem 0 0.65rem 1.2rem;
  border-top: 1px solid var(--border);
  position: relative;
  color: var(--text);
}
.case-section ul.outcomes li:first-child { border-top: 1px solid var(--border-strong); }
.case-section ul.outcomes li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 600;
}

.confidential {
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--dim);
  font-weight: 600;
  margin-top: 1.25rem;
}

/* ---------- Writing archive ---------- */

.year-group { margin-bottom: 1.75rem; }
.year-group:last-child { margin-bottom: 0; }
.year-group .year {
  font-family: ui-serif, "Iowan Old Style", Georgia, serif;
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--ink);
  margin: 0 0 0.55rem;
  padding-bottom: 0.4rem;
  border-bottom: 1.5px solid var(--ink);
  letter-spacing: -0.01em;
}
.archive-list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.archive-list li {
  padding: 0.65rem 0;
  border-bottom: 1px solid var(--border);
  display: grid;
  grid-template-columns: 5.5rem 1fr;
  gap: 0.4rem 1.25rem;
  align-items: baseline;
}
.archive-list .when {
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 600;
  padding-top: 0.1rem;
  white-space: nowrap;
}
.archive-list .title {
  margin: 0;
  font-size: 0.98rem;
  color: var(--ink);
}
.archive-list .title a { color: var(--ink); text-decoration: underline; text-decoration-color: var(--border-strong); }
.archive-list .title a:hover { color: var(--accent); text-decoration-color: var(--accent); }
.archive-list .title.coming { color: var(--muted); font-style: italic; }

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

.note {
  color: var(--muted);
  margin-top: 2rem;
  font-size: 0.95rem;
  font-style: italic;
}

.site-footer {
  border-top: 1px solid var(--border-strong);
  margin-top: 4.5rem;
  padding: 1.6rem 0 2.4rem;
  font-family: ui-sans-serif, system-ui, sans-serif;
  font-size: 0.8rem;
  color: var(--muted);
  letter-spacing: 0.005em;
  background: var(--bg);
}
.site-footer .container {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 0.85rem;
  align-items: baseline;
}
.site-footer a { color: var(--muted); text-decoration: underline; text-decoration-color: var(--border-strong); }
.site-footer a:hover { color: var(--accent); text-decoration-color: var(--accent); }
.site-footer .sep { color: var(--border-strong); }

/* ---------- Responsive ---------- */

@media (max-width: 640px) {
  body { font-size: 17px; }
  .container { padding: 0 1.15rem; }
  main.container { padding-top: 2rem; }

  h1 { font-size: 2.05rem; }
  h2 { font-size: 1.32rem; }
  .lede { font-size: 1.2rem; }

  nav { gap: 0.95rem; }
  nav a { font-size: 0.84rem; }

  section { padding: 2rem 0; }

  .body-open::first-letter { font-size: 3em; padding: 0.32rem 0.45rem 0 0; }

  .facts-list,
  .writing-intro,
  .chart-wrap { padding-left: 1rem; padding-right: 1rem; }
  .facts-list { grid-template-columns: 1fr; row-gap: 0.85rem; }
  .facts-list dt { padding-top: 0; margin-bottom: -0.35rem; }

  .project-meta { grid-template-columns: 1fr; row-gap: 0.7rem; }
  .project-meta dt { padding-top: 0; margin-bottom: -0.4rem; }

  dl.metrics { grid-template-columns: 1fr; row-gap: 0.95rem; }
  dl.metrics dt { padding-top: 0; }

  .case-card { grid-template-columns: 2.2rem 1fr; gap: 0 0.85rem; }
  .case-num { padding-top: 0.55rem; font-size: 0.72rem; }

  ol.method > li { grid-template-columns: 2rem 1fr; gap: 0 0.85rem; }

  .writing-list li { grid-template-columns: 1fr; }
  .writing-list .meta { text-align: left; grid-column: 1 / -1; grid-row: auto; margin-bottom: 0.15rem; }

  .contact-list li { grid-template-columns: 1fr; gap: 0.05rem; }

  .pullquote { padding: 1.15rem 1.2rem; font-size: 1.1rem; }
}