:root {
  --paper: #ffffff;
  --ink: #20252b;
  --muted: #5d6670;
  --line: #e2e6e9;
  --accent: #285e91;
  --mono: "Cascadia Code", "SFMono-Regular", Consolas, monospace;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 24px;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Segoe UI", -apple-system, BlinkMacSystemFont, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

::selection { background: #dcecf8; color: #20252b; }

a {
  color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
}

a:hover { color: #173e63; }

a:focus-visible {
  outline: 3px solid #285e91;
  outline-offset: 5px;
  border-radius: 3px;
}

h1, h2, h3, h4, p { margin-top: 0; }

h1, h2, h3 {
  line-height: 1.35;
  letter-spacing: -0.025em;
  font-weight: 650;
}

.page-shell {
  width: min(1000px, calc(100% - 80px));
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 10;
  padding: 12px 20px;
  transform: translateY(-160%);
  background: var(--ink);
  color: white;
}

.skip-link:focus { transform: translateY(0); }

.site-header {
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 76px;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  color: var(--ink);
  font-size: 14px;
  font-weight: 650;
  text-decoration: none;
  white-space: nowrap;
}

.site-nav {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 4px 22px;
  font-size: 13px;
}

.site-nav a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  color: var(--muted);
  text-decoration: none;
}

.site-nav a:hover { color: var(--accent); }

.intro {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 190px;
  align-items: start;
  gap: 64px;
  padding-block: 64px 52px;
}

h1 {
  margin-bottom: 12px;
  font-size: clamp(36px, 4.2vw, 48px);
  letter-spacing: -0.045em;
  line-height: 1.15;
}

.intro-copy > p {
  max-width: 64ch;
  margin-bottom: 17px;
  font-size: 17px;
  line-height: 1.75;
}

.intro-copy .intro-role {
  margin-bottom: 24px;
  color: var(--muted);
  font-size: 16px;
}

.intro-copy > p:last-child { margin-bottom: 0; }

.profile-details {
  padding-top: 13px;
  font-size: 14px;
}

.profile-details dl { margin: 0; }
.profile-details dl > div + div { margin-top: 20px; }
.profile-details dt { margin-bottom: 4px; color: var(--muted); font-size: 12px; }
.profile-details dd { margin: 0; }
.profile-links { display: flex; flex-direction: column; align-items: flex-start; gap: 2px; }
.profile-links a { display: inline-flex; align-items: center; min-height: 32px; }

.profile-section {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr);
  gap: 46px;
  padding-block: 38px;
  border-top: 1px solid var(--line);
}

.section-label h2 {
  margin-bottom: 10px;
  font-size: 19px;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.section-label > p {
  max-width: 20ch;
  margin-bottom: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.65;
}

.section-content { min-width: 0; }
.section-content > p { margin-bottom: 12px; font-size: 15px; }

.record + .record {
  margin-top: 26px;
  padding-top: 26px;
  border-top: 1px solid var(--line);
}

.record h3 {
  margin-bottom: 7px;
  font-size: 17px;
  font-weight: 600;
  line-height: 1.5;
  letter-spacing: -0.01em;
}

.record > p {
  margin-bottom: 10px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.7;
}

.record > :last-child { margin-bottom: 0; }

.record-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 4px 20px;
  margin-bottom: 4px;
}

.record-heading h3 { margin-bottom: 0; }

.record-period,
.record-meta {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.65;
}

.record-period { white-space: nowrap; }
.project-record h3 a { text-decoration: none; }
.project-record h3 a:hover { text-decoration: underline; }

.position-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 4px 20px;
  margin: 10px 0 12px;
}

.position-heading h4 {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.5;
  letter-spacing: 0;
}

.employment-position + .employment-position {
  margin-top: 24px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.position-summary {
  margin-bottom: 14px;
  color: var(--ink);
  font-size: 15px;
  line-height: 1.7;
}

code { font-family: var(--mono); font-size: 0.9em; }

.detail-list {
  display: grid;
  gap: 9px;
  margin: 14px 0 0;
  padding-left: 20px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.75;
}

.detail-list strong { color: var(--ink); font-weight: 500; }
.record > .detail-list + p { margin-top: 16px; }

.project-featured {
  padding-left: 22px;
  border-left: 3px solid var(--accent);
}

.project-featured .project-kicker {
  margin-bottom: 9px;
  color: var(--accent);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.project-featured h3 { font-size: 26px; }
.project-featured .project-lead { color: var(--ink); font-size: 17px; line-height: 1.65; }
.project-featured .project-featured-links a { font-size: 14px; font-weight: 600; }

.record .record-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 3px 18px;
  margin-top: 10px;
  margin-bottom: 0;
}

.record-links a {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  max-width: 100%;
  font-size: 13px;
}

.link-label { color: var(--muted); font-size: 12px; }

.event-list {
  display: grid;
  gap: 3px;
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}

.event-list li {
  display: grid;
  grid-template-columns: 105px minmax(0, 1fr);
  align-items: baseline;
  gap: 8px 16px;
}

.event-list time { color: var(--muted); font-size: 12px; }
.event-list a { display: inline-flex; align-items: center; min-height: 32px; font-size: 14px; }

.contact-section { padding-bottom: 30px; }
.contact-links { display: flex; flex-wrap: wrap; gap: 8px 24px; }
.contact-links a { display: inline-flex; align-items: center; min-height: 44px; font-size: 14px; }

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px 24px;
  padding-block: 24px 30px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 12px;
}

.site-footer p { margin: 0; }
.site-footer a { display: inline-flex; align-items: center; min-height: 32px; }

@media (max-width: 900px) {
  .page-shell { width: calc(100% - 64px); }
  .intro { grid-template-columns: minmax(0, 1fr) 160px; gap: 36px; }
  .profile-section { grid-template-columns: 135px minmax(0, 1fr); gap: 30px; }
  .site-nav { column-gap: 18px; }
}

@media (max-width: 700px) {
  .header-inner { flex-direction: column; align-items: flex-start; gap: 0; padding-block: 10px 6px; }
  .site-nav { width: 100%; column-gap: 24px; }
  .intro { grid-template-columns: 1fr; gap: 22px; padding-block: 42px; }
  .intro-copy > p { font-size: 16px; }
  .profile-details { padding-top: 0; }
  .profile-details dl { display: flex; flex-wrap: wrap; gap: 14px 32px; }
  .profile-details dl > div + div { margin-top: 0; }
  .profile-section { grid-template-columns: 1fr; gap: 22px; padding-block: 30px; }
  .section-label h2 { margin-bottom: 5px; font-size: 21px; }
  .section-label > p { max-width: none; }
  .record + .record { margin-top: 23px; padding-top: 23px; }
}

@media (max-width: 440px) {
  .page-shell { width: calc(100% - 40px); }
  .site-nav { column-gap: 18px; font-size: 12px; }
  .intro { padding-block: 32px; }
  h1 { font-size: 36px; }
  .intro-copy .intro-role { font-size: 14px; line-height: 1.7; }
  .profile-details dl { gap: 14px 26px; }
  .record-heading { gap: 3px 16px; }
  .record-heading h3 { flex-basis: 100%; }
  .position-heading { gap: 3px 16px; }
  .position-heading h4 { flex-basis: 100%; }
  .position-summary { font-size: 14px; }
  .record > p { font-size: 14px; }
  .project-featured { padding-left: 16px; }
  .project-featured h3 { font-size: 23px; }
  .project-featured .project-lead { font-size: 16px; }
  .event-list li { grid-template-columns: 92px minmax(0, 1fr); gap: 8px 12px; }
  .event-list a { font-size: 13px; }
  .site-footer { gap: 5px 18px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}