:root {
  --bg: #edf0eb;
  --surface: #fbfaf7;
  --surface-strong: #ffffff;
  --ink: #172321;
  --muted: #596562;
  --line: #d8ddd8;
  --accent: #176b68;
  --accent-dark: #0f4d4b;
  --accent-pale: #dcebe7;
  --dark: #14211f;
  --dark-muted: #aebfba;
  --dark-line: #334744;
  --focus: #a14d19;
  --display: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  --sans: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --shell: 74rem;
  --prose: 44rem;
  --radius-sm: 0.35rem;
  --radius-md: 0.8rem;
  --shadow: 0 1.5rem 4rem rgba(23, 35, 33, 0.08);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 6rem;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 1rem;
  line-height: 1.7;
  text-rendering: optimizeLegibility;
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: var(--accent-dark);
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.18em;
}

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

a:focus-visible,
button:focus-visible {
  border-radius: 0.15rem;
  outline: 0.2rem solid var(--focus);
  outline-offset: 0.22rem;
}

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

h1,
h2,
h3 {
  color: var(--ink);
  font-family: var(--display);
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: 1.12;
}

h1 {
  max-width: 16ch;
  margin-bottom: 1.75rem;
  font-size: clamp(2.3rem, 4.4vw, 3.9rem);
}

h2 {
  margin-bottom: 1.25rem;
  font-size: clamp(1.85rem, 3.2vw, 2.85rem);
}

h3 {
  font-size: clamp(1.25rem, 1.8vw, 1.65rem);
}

.shell {
  width: min(calc(100% - 2.5rem), var(--shell));
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 0.75rem;
  left: 0.75rem;
  padding: 0.75rem 1rem;
  transform: translateY(-160%);
  border-radius: var(--radius-sm);
  background: var(--ink);
  color: #ffffff;
}

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

.site-header {
  position: sticky;
  z-index: 20;
  top: 0;
  border-bottom: 1px solid rgba(23, 35, 33, 0.12);
  background: rgba(237, 240, 235, 0.94);
  backdrop-filter: blur(0.8rem);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 4.75rem;
  gap: 2rem;
}

.site-name {
  color: var(--ink);
  font-family: var(--display);
  font-size: 1.15rem;
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
}

.primary-nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: clamp(0.85rem, 2.4vw, 2rem);
}

.primary-nav a {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-decoration: none;
  text-transform: uppercase;
}

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

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(17rem, 0.65fr);
  align-items: end;
  min-height: min(53rem, calc(100vh - 4.75rem));
  padding-block: clamp(5rem, 10vw, 9rem);
  gap: clamp(3rem, 8vw, 8rem);
}

.hero h1 {
  font-size: clamp(2.25rem, 3.8vw, 3.45rem);
}

.eyebrow,
.section-kicker,
.project-type,
.focus-label {
  margin-bottom: 1rem;
  color: var(--accent-dark);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.hero-intro {
  max-width: 44rem;
  margin-bottom: 1.25rem;
  color: #34413e;
  font-size: clamp(1.18rem, 2.2vw, 1.5rem);
  line-height: 1.55;
}

.hero-context {
  max-width: 42rem;
  margin-bottom: 2.25rem;
  color: var(--muted);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.hero-aside {
  display: grid;
  align-self: center;
  gap: 1rem;
}

.portrait {
  overflow: hidden;
  width: min(100%, 19rem);
  margin: 0 0 0 auto;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.portrait img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  padding: 0.7rem 1.1rem;
  border: 1px solid var(--accent-dark);
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 750;
  text-decoration: none;
}

.button-primary {
  background: var(--accent-dark);
  color: #ffffff;
}

.button-primary:hover {
  background: var(--accent);
  color: #ffffff;
}

.button-secondary {
  background: transparent;
  color: var(--accent-dark);
}

.button-secondary:hover {
  background: var(--accent-pale);
}

.focus-panel {
  position: relative;
  overflow: hidden;
  padding: 2rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.focus-panel::before {
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: 0.3rem;
  background: var(--accent);
  content: "";
}

.focus-panel ul {
  display: grid;
  margin: 0;
  padding: 0;
  list-style: none;
  gap: 1.25rem;
}

.focus-panel li {
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.55;
}

.focus-panel li + li {
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
}

.focus-panel li span {
  display: block;
  margin-bottom: 0.25rem;
  color: var(--ink);
  font-weight: 750;
}

.section {
  padding-block: clamp(5rem, 9vw, 8rem);
}

.section-tinted {
  border-block: 1px solid var(--line);
  background: var(--surface);
}

.split-section {
  display: grid;
  grid-template-columns: minmax(15rem, 0.75fr) minmax(0, 1.25fr);
  gap: clamp(3rem, 8vw, 8rem);
}

.section-heading {
  max-width: 50rem;
  margin-bottom: clamp(3rem, 6vw, 5rem);
}

.section-heading > p:last-child {
  max-width: 44rem;
  color: var(--muted);
  font-size: 1.08rem;
}

.prose {
  max-width: var(--prose);
}

.prose p {
  color: #34413e;
  font-size: 1.05rem;
}

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

.prose .principle {
  margin-top: 2rem;
  padding-left: 1.2rem;
  border-left: 0.2rem solid var(--accent);
  color: var(--ink);
  font-family: var(--display);
  font-size: 1.35rem;
  font-style: italic;
}

.timeline {
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
  list-style: none;
}

.timeline-item {
  display: grid;
  grid-template-columns: minmax(9rem, 0.35fr) 1fr;
  padding-block: 1.75rem;
  border-bottom: 1px solid var(--line);
  gap: 2rem;
}

.timeline-item.current {
  position: relative;
}

.timeline-item.current::before {
  position: absolute;
  top: -1px;
  bottom: -1px;
  left: -1.25rem;
  width: 0.2rem;
  background: var(--accent);
  content: "";
}

.timeline-date {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 750;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.timeline h3 {
  margin-bottom: 0.35rem;
}

.timeline-role {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 6.5rem;
  align-items: center;
  gap: 1.5rem;
}

.organization-logo {
  width: 6.5rem;
  height: 4.5rem;
  padding: 0.45rem;
  object-fit: contain;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface-strong);
}

.timeline-org {
  margin: 0;
  color: var(--muted);
}

.timeline-summary {
  max-width: 66ch;
  margin: 0.9rem 0 0;
  color: var(--muted);
}

.education-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.25rem;
}

.education-card {
  display: grid;
  grid-template-columns: 10rem minmax(0, 1fr);
  align-items: start;
  min-height: 18rem;
  padding: clamp(1.5rem, 3vw, 2.25rem);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface-strong);
  gap: 2rem;
}

.education-logo {
  width: 10rem;
  height: 6rem;
  object-fit: contain;
  object-position: left center;
}

.education-card h3 {
  margin-bottom: 1.5rem;
}

.degree-list {
  display: grid;
  margin: 0;
  padding: 0;
  gap: 1.25rem;
  list-style: none;
}

.degree-list li {
  display: grid;
  gap: 0.2rem;
}

.degree-year {
  color: var(--accent-dark);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.degree-list strong {
  color: var(--ink);
  font-family: var(--display);
  font-size: 1.15rem;
  line-height: 1.35;
}

.degree-list li > span:last-child:not(.degree-year) {
  color: var(--muted);
}

.section-dark {
  background: var(--dark);
  color: #edf3f0;
}

.section-heading-light h2 {
  color: #ffffff;
}

.section-heading-light .section-kicker {
  color: #8bc5bc;
}

.section-heading-light > p:last-child {
  color: var(--dark-muted);
}

.project-list {
  display: grid;
  gap: 1.25rem;
}

.project {
  display: grid;
  grid-template-columns: minmax(14rem, 0.62fr) minmax(0, 1.38fr);
  overflow: hidden;
  border: 1px solid var(--dark-line);
  border-radius: var(--radius-md);
  background: #1b2b28;
}

.project-media {
  display: grid;
  min-height: 20rem;
  padding: 1.5rem;
  place-items: center;
  border-right: 1px solid var(--dark-line);
  background: #edf0eb;
}

.project-media img {
  width: 100%;
  max-height: 18rem;
  object-fit: contain;
}

.project-body {
  padding: clamp(1.5rem, 4vw, 3rem);
}

.project-body h3 {
  max-width: 28ch;
  margin-bottom: 0.85rem;
  color: #ffffff;
  font-size: clamp(1.45rem, 2.2vw, 2.05rem);
}

.project-type {
  color: #8bc5bc;
}

.project-byline {
  margin-bottom: 1.5rem;
  color: #c3d1cd;
  font-size: 0.9rem;
  line-height: 1.55;
}

.project-body > p:not(.project-type, .project-byline) {
  max-width: 47rem;
  color: var(--dark-muted);
}

.artifact-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem 1.1rem;
}

.artifact-links {
  margin-top: 1.5rem;
}

.artifact-links a {
  color: #b6ded8;
  font-size: 0.83rem;
  font-weight: 750;
  letter-spacing: 0.04em;
  text-decoration-color: #587c76;
  text-transform: uppercase;
}

.artifact-links a:hover {
  color: #ffffff;
}

.archive-hero {
  padding-block: clamp(5rem, 10vw, 8rem);
  border-bottom: 1px solid var(--line);
}

.archive-hero h1 {
  max-width: 18ch;
}

.archive-hero > p:not(.section-kicker) {
  max-width: 46rem;
  color: var(--muted);
  font-size: 1.08rem;
}

.archive-back-link,
.archive-link {
  display: inline-block;
  color: var(--accent-dark);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.archive-projects {
  padding-top: clamp(4rem, 7vw, 6rem);
}

.archive-section-heading {
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
}

.archive-page .project {
  border-color: var(--line);
  background: var(--surface-strong);
}

.archive-page .project-media {
  border-right-color: var(--line);
}

.archive-page .project-body h3 {
  color: var(--ink);
}

.archive-page .project-type {
  color: var(--accent-dark);
}

.archive-page .project-byline {
  color: var(--muted);
}

.archive-page .project-body > p:not(.project-type, .project-byline) {
  color: #34413e;
}

.archive-page .artifact-links a {
  color: var(--accent-dark);
  text-decoration-color: #8cb1aa;
}

.archive-page .artifact-links a:hover {
  color: var(--accent);
}

.research-record-links {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  gap: 1rem;
}

.research-record-links a {
  display: grid;
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--line);
  color: var(--ink);
  font-family: var(--display);
  font-size: 1.25rem;
  font-weight: 700;
  gap: 0.25rem;
  text-decoration: none;
}

.research-record-links a:hover {
  color: var(--accent-dark);
}

.research-record-links .record-label {
  color: var(--accent-dark);
  font-family: var(--sans);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.research-record-links .record-title {
  text-decoration: underline;
  text-decoration-thickness: 0.07em;
  text-underline-offset: 0.18em;
}

.archive-teaser {
  padding-block: clamp(3.5rem, 6vw, 5rem);
}

.archive-teaser-grid {
  display: grid;
  grid-template-columns: minmax(15rem, 0.8fr) minmax(0, 1.2fr);
  align-items: start;
  gap: clamp(3rem, 8vw, 8rem);
}

.archive-teaser h2 {
  margin-bottom: 0;
  font-size: clamp(1.8rem, 3vw, 2.6rem);
}

.archive-teaser-copy {
  max-width: 42rem;
}

.archive-teaser-copy p {
  color: var(--muted);
}

.teaching-groups {
  display: grid;
  gap: 1.5rem;
}

.teaching-groups h4 {
  margin-bottom: 0.75rem;
  color: var(--ink);
  font-size: 1rem;
}

.plain-list {
  margin: 0;
  padding-left: 1.2rem;
  color: #34413e;
}

.plain-list li + li {
  margin-top: 0.35rem;
}

.section-secondary {
  padding-block: clamp(3.5rem, 6vw, 5rem);
}

.additional-heading {
  max-width: 42rem;
}

.additional-heading h2 {
  margin-bottom: 0.75rem;
  font-size: clamp(1.8rem, 3vw, 2.6rem);
}

.additional-heading > p:last-child {
  color: var(--muted);
}

.additional-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 2.5rem;
  border-top: 1px solid var(--line);
  gap: clamp(2rem, 6vw, 5rem);
}

.additional-item {
  padding-top: 1.5rem;
}

.additional-item h3 {
  margin-bottom: 1.25rem;
  font-size: clamp(1.35rem, 2vw, 1.75rem);
}

.additional-copy {
  color: #34413e;
}

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

.back-to-top {
  display: inline-block;
  margin-top: 2.5rem;
  font-size: 0.82rem;
  font-weight: 750;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.site-footer {
  padding-top: clamp(4rem, 8vw, 6rem);
  background: var(--dark);
  color: var(--dark-muted);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr auto;
  padding-bottom: 3rem;
  gap: 3rem;
}

.footer-heading {
  margin-bottom: 0.5rem;
  color: #ffffff;
  font-family: var(--display);
  font-size: clamp(1.8rem, 4vw, 2.7rem);
  font-weight: 600;
  line-height: 1.15;
}

.footer-copy {
  max-width: 40rem;
  margin-bottom: 0;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(2, auto);
  align-content: start;
  gap: 0.75rem 1.5rem;
}

.footer-links a {
  color: #dce8e4;
  font-weight: 700;
}

.footer-meta {
  display: flex;
  justify-content: space-between;
  padding-block: 1.25rem;
  border-top: 1px solid var(--dark-line);
  gap: 2rem;
}

.footer-meta p {
  margin: 0;
  font-size: 0.8rem;
}

@media (max-width: 58rem) {
  .header-inner {
    align-items: flex-start;
    flex-direction: column;
    padding-block: 1rem;
    gap: 0.8rem;
  }

  .primary-nav {
    justify-content: flex-start;
    width: 100%;
    overflow-x: auto;
    padding-bottom: 0.15rem;
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    gap: 3rem;
  }

  .focus-panel {
    max-width: 35rem;
  }

  .hero-aside {
    max-width: 35rem;
  }

  .portrait {
    margin-left: 0;
  }

  .split-section,
  .education-grid,
  .additional-grid,
  .research-record-links,
  .archive-teaser-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .education-card {
    min-height: auto;
  }

  .project {
    grid-template-columns: 1fr;
  }

  .project-media {
    min-height: 16rem;
    border-right: 0;
    border-bottom: 1px solid var(--dark-line);
  }

  .archive-page .project-media {
    border-right: 0;
    border-bottom-color: var(--line);
  }
}

@media (max-width: 40rem) {
  .shell {
    width: min(calc(100% - 1.5rem), var(--shell));
  }

  html {
    scroll-padding-top: 8rem;
  }

  .primary-nav {
    gap: 1rem;
  }

  .primary-nav a {
    font-size: 0.72rem;
    white-space: nowrap;
  }

  .hero {
    padding-block: 4rem 5rem;
  }

  .hero-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .focus-panel {
    padding: 1.5rem;
  }

  .timeline-item {
    grid-template-columns: 1fr;
    gap: 0.65rem;
  }

  .timeline-item.current::before {
    left: -0.75rem;
  }

  .timeline-role {
    grid-template-columns: minmax(0, 1fr) 5rem;
    gap: 1rem;
  }

  .organization-logo {
    width: 5rem;
    height: 3.75rem;
  }

  .education-card {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }

  .project-media {
    min-height: 12rem;
    padding: 1rem;
  }

  .project-media img {
    max-height: 14rem;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .footer-links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .footer-meta {
    align-items: flex-start;
    flex-direction: column;
    gap: 0.4rem;
  }
}

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