:root {
  color-scheme: light dark;
  --background: #f5f7f8;
  --surface: #ffffff;
  --surface-muted: #edf2f5;
  --text: #17212b;
  --text-strong: #071829;
  --muted: #596978;
  --accent: #0868d7;
  --accent-strong: #004fae;
  --accent-soft: #e6f0fd;
  --line: #d6e0e7;
  --line-strong: #b8c7d2;
  --review: #9b5b00;
  --review-soft: #fff1da;
  --header-bg: rgba(245, 247, 248, 0.88);
  --selection: #c8ddfa;
  --max-width: 1120px;
  --radius-small: 10px;
  --radius-medium: 18px;
  --radius-large: 30px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --background: #0b1118;
    --surface: #111a24;
    --surface-muted: #172330;
    --text: #dbe5ed;
    --text-strong: #f4f8fb;
    --muted: #98a9b8;
    --accent: #73b7ff;
    --accent-strong: #a6d2ff;
    --accent-soft: #132d48;
    --line: #263544;
    --line-strong: #3b4d5d;
    --review: #ffc86e;
    --review-soft: #382911;
    --header-bg: rgba(11, 17, 24, 0.88);
    --selection: #21496f;
  }
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 90px;
}

body {
  margin: 0;
  background: var(--background);
  color: var(--text);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 17px;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

::selection {
  background: var(--selection);
}

a {
  color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

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

a:focus-visible {
  border-radius: 4px;
  outline: 3px solid color-mix(in srgb, var(--accent) 45%, transparent);
  outline-offset: 4px;
}

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

h1,
h2,
h3 {
  color: var(--text-strong);
  line-height: 1.12;
}

h1 {
  font-size: clamp(3.1rem, 7vw, 6.15rem);
  font-weight: 730;
  letter-spacing: -0.065em;
}

h2 {
  margin-bottom: 0;
  max-width: 760px;
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 690;
  letter-spacing: -0.045em;
}

h3 {
  font-size: 1.2rem;
  font-weight: 680;
  letter-spacing: -0.018em;
}

.shell {
  width: min(calc(100% - 48px), var(--max-width));
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 100;
  padding: 10px 14px;
  border-radius: var(--radius-small);
  background: var(--text-strong);
  color: var(--background);
  transform: translateY(-160%);
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid color-mix(in srgb, var(--line) 78%, transparent);
  background: var(--header-bg);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.nav-shell {
  position: relative;
  display: flex;
  min-height: 72px;
  align-items: center;
  justify-content: flex-end;
  gap: 32px;
}

.mobile-menu {
  display: none;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(18px, 3vw, 34px);
}

.site-nav a {
  position: relative;
  padding: 22px 0 20px;
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 620;
  text-decoration: none;
}

.site-nav a::after {
  position: absolute;
  right: 0;
  bottom: 16px;
  left: 0;
  height: 2px;
  border-radius: 2px;
  background: var(--accent);
  content: "";
  opacity: 0;
  transform: scaleX(0.3);
  transition: opacity 160ms ease, transform 160ms ease;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--text-strong);
}

.site-nav a:hover::after,
.site-nav a[aria-current="page"]::after {
  opacity: 1;
  transform: scaleX(1);
}

.site-main {
  overflow: clip;
}

.hero {
  display: grid;
  min-height: min(760px, calc(100vh - 72px));
  grid-template-columns: minmax(0, 1fr) minmax(250px, 320px);
  align-items: center;
  gap: clamp(56px, 9vw, 120px);
  padding-block: clamp(72px, 10vw, 132px);
}

.hero-copy {
  min-width: 0;
}

.eyebrow {
  margin-bottom: 22px;
  color: var(--accent);
  font-size: 0.74rem;
  font-weight: 760;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 760px;
  margin-bottom: 32px;
  color: var(--text-strong);
  font-size: clamp(2.5rem, 4.5vw, 4rem);
  font-weight: 800;
  letter-spacing: -0.045em;
  line-height: 1.05;
}

.hero-emphasis {
  color: var(--accent);
  font-weight: 700;
}

.contact-links,
.work-links,
.publication-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.contact-links a,
.work-links a {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  padding: 8px 15px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  color: var(--text-strong);
  font-size: 0.82rem;
  font-weight: 660;
  text-decoration: none;
  transition: border-color 160ms ease, color 160ms ease, background-color 160ms ease;
}

.contact-links a:hover,
.work-links a:hover {
  border-color: var(--accent);
  background: var(--accent-soft);
  color: var(--accent-strong);
}

.portrait-wrap {
  position: relative;
  width: 100%;
  max-width: 300px;
  margin: 0 auto;
}

.portrait-wrap::before {
  position: absolute;
  inset: 18px -18px -18px 18px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-large);
  content: "";
}

.portrait-wrap img {
  position: relative;
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 5;
  border-radius: var(--radius-large);
  background: var(--surface-muted);
  object-fit: cover;
  object-position: center;
}

.section {
  padding-block: clamp(82px, 10vw, 132px);
  border-top: 1px solid var(--line);
}

.section-heading {
  margin-bottom: clamp(48px, 7vw, 78px);
}

.section-heading h2 {
  font-size: clamp(2rem, 3vw, 2.75rem);
  letter-spacing: -0.035em;
}

.about-content {
  max-width: 800px;
}

.about-copy {
  color: var(--muted);
  font-size: 1.03rem;
}

.about-copy p {
  margin-bottom: 0;
}

.about-copy p + p {
  margin-top: 1.1em;
}

.featured-list {
  border-top: 1px solid var(--line-strong);
}

.featured-work {
  display: grid;
  grid-template-columns: 190px minmax(0, 1fr);
  gap: clamp(32px, 7vw, 86px);
  padding-block: clamp(38px, 5vw, 58px);
  border-bottom: 1px solid var(--line);
}

.work-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
}

.status-badge {
  display: inline-flex;
  padding: 6px 10px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent-strong);
  font-size: 0.7rem;
  font-weight: 760;
  letter-spacing: 0.055em;
  line-height: 1.4;
  text-transform: uppercase;
}

.status-review {
  background: var(--review-soft);
  color: var(--review);
}

.work-year {
  color: var(--muted);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 0.76rem;
}

.work-body h3 {
  margin-bottom: 18px;
  font-size: clamp(1.65rem, 3vw, 2.35rem);
  letter-spacing: -0.04em;
}

.work-purpose,
.work-finding,
.work-impact {
  max-width: 770px;
}

.work-purpose {
  margin-bottom: 14px;
  color: var(--text);
  font-size: 1.04rem;
}

.work-finding {
  margin-bottom: 14px;
  color: var(--muted);
}

.work-finding::before {
  color: var(--accent);
  content: "Finding: ";
  font-weight: 720;
}

.work-impact {
  margin: 16px 0 0;
  padding: 14px 16px;
  border-left: 3px solid var(--accent);
  border-radius: 0 var(--radius-small) var(--radius-small) 0;
  background: var(--surface-muted);
  color: var(--muted);
  font-size: 0.9rem;
}

.work-links {
  margin-top: 24px;
}

.work-links a {
  min-height: 36px;
  padding: 6px 12px;
  font-size: 0.76rem;
}

.past-project-list {
  border-top: 1px solid var(--line-strong);
}

.past-project {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  gap: clamp(32px, 6vw, 76px);
  padding-block: 32px;
  border-bottom: 1px solid var(--line);
}

.project-tool,
.publication-meta {
  margin: 0;
  color: var(--muted);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 0.75rem;
  line-height: 1.7;
}

.project-tool {
  margin-bottom: 7px;
  color: var(--accent);
  font-weight: 720;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.past-project-heading h3 {
  margin-bottom: 10px;
  font-size: 1.08rem;
  line-height: 1.35;
}

.past-project-heading > p:last-child {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.project-publications {
  display: grid;
  gap: 24px;
}

.project-publication + .project-publication {
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

.project-publication h4 {
  margin: 6px 0 10px;
  color: var(--text-strong);
  font-family: inherit;
  font-size: 1rem;
  line-height: 1.4;
}

.publication-links {
  gap: 16px;
}

.publication-links a {
  color: var(--text-strong);
  font-size: 0.76rem;
  font-weight: 700;
  text-decoration-color: var(--line-strong);
}

.publication-links a:hover {
  color: var(--accent);
  text-decoration-color: var(--accent);
}

.scholar-cta {
  margin: 30px 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.page-hero {
  padding-block: clamp(86px, 12vw, 150px) clamp(72px, 9vw, 110px);
}

.page-hero h1 {
  max-width: 940px;
  margin-bottom: 26px;
  font-size: clamp(2.8rem, 6vw, 5.4rem);
}

.page-hero > p:last-child {
  max-width: 700px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: 1.1rem;
}

.experience-section {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: clamp(40px, 7vw, 90px);
  padding-block: clamp(62px, 8vw, 94px);
  border-top: 1px solid var(--line);
}

.experience-heading {
  display: flex;
  align-items: flex-start;
  gap: 18px;
}

.experience-heading span {
  padding-top: 5px;
  color: var(--muted);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 0.72rem;
}

.experience-heading h2 {
  font-size: 1.35rem;
  letter-spacing: -0.025em;
}

.timeline,
.compact-groups {
  display: grid;
  gap: 40px;
}

.timeline-item {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr);
  gap: 26px;
}

.timeline-date {
  margin: 2px 0 0;
  color: var(--muted);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 0.75rem;
}

.timeline-item h3,
.compact-groups h3 {
  margin-bottom: 7px;
}

.timeline-place {
  margin-bottom: 12px;
  color: var(--accent);
  font-size: 0.86rem;
  font-weight: 650;
}

.timeline-item div > p:not(.timeline-place):last-child {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.clean-list {
  display: grid;
  gap: 12px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.clean-list li {
  display: grid;
  grid-template-columns: 112px minmax(0, 1fr);
  gap: 18px;
  color: var(--text);
  font-size: 0.9rem;
}

.clean-list li span {
  color: var(--muted);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 0.74rem;
}

.single-column-list {
  margin-top: 0;
}

.site-footer {
  padding-block: 34px;
  border-top: 1px solid var(--line);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 28px;
  color: var(--muted);
  font-size: 0.76rem;
}

.footer-inner p {
  margin: 0;
}

@media (min-width: 821px) {
  .hero {
    align-content: center;
    align-items: stretch;
  }

  .portrait-wrap img {
    position: absolute;
    inset: 0;
    height: 100%;
    aspect-ratio: auto;
    object-position: center 12%;
  }
}

@media (max-width: 820px) {
  .shell {
    width: min(calc(100% - 36px), var(--max-width));
  }

  .nav-shell {
    min-height: auto;
    padding-block: 14px 10px;
    flex-wrap: wrap;
    gap: 8px 24px;
  }

  .site-nav {
    width: 100%;
    justify-content: space-between;
    gap: 14px;
    overflow-x: auto;
  }

  .site-nav a {
    padding: 7px 0 9px;
  }

  .site-nav a::after {
    bottom: 4px;
  }

  .hero {
    min-height: 0;
    grid-template-columns: minmax(0, 1fr) 180px;
    gap: 36px;
    padding-block: 72px 88px;
  }

  .portrait-wrap::before {
    inset: 12px -12px -12px 12px;
  }

  .experience-section {
    grid-template-columns: 1fr;
  }

  .experience-section {
    gap: 36px;
  }
}

@media (max-width: 620px) {
  body {
    font-size: 16px;
  }

  html {
    scroll-padding-top: 76px;
  }

  .nav-shell {
    min-height: 64px;
    padding-block: 10px;
    flex-wrap: nowrap;
  }

  .desktop-nav {
    display: none;
  }

  .mobile-menu {
    position: relative;
    display: block;
  }

  .mobile-menu summary {
    display: inline-flex;
    min-height: 42px;
    padding: 8px 14px;
    border: 1px solid var(--line-strong);
    border-radius: 999px;
    align-items: center;
    gap: 10px;
    color: var(--text-strong);
    cursor: pointer;
    font-size: 0.88rem;
    font-weight: 700;
    list-style: none;
  }

  .mobile-menu summary::-webkit-details-marker {
    display: none;
  }

  .menu-icon {
    display: grid;
    width: 16px;
    gap: 3px;
  }

  .menu-icon span {
    display: block;
    height: 2px;
    border-radius: 2px;
    background: currentColor;
  }

  .mobile-menu nav {
    position: absolute;
    top: calc(100% + 10px);
    right: 0;
    display: grid;
    width: min(300px, calc(100vw - 36px));
    padding: 10px;
    border: 1px solid var(--line);
    border-radius: var(--radius-medium);
    background: var(--surface);
    box-shadow: 0 18px 45px rgba(7, 24, 41, 0.16);
  }

  .mobile-menu nav a {
    padding: 10px 12px;
    border-radius: var(--radius-small);
    color: var(--text);
    font-weight: 650;
    text-decoration: none;
  }

  .mobile-menu nav a:hover,
  .mobile-menu nav a[aria-current="page"] {
    background: var(--accent-soft);
    color: var(--accent-strong);
  }

  .hero {
    grid-template-columns: 1fr;
    justify-items: center;
    gap: 0;
    padding-block: 40px 68px;
    text-align: center;
  }

  .hero-copy {
    display: contents;
  }

  .hero .eyebrow {
    order: 3;
    max-width: 330px;
    margin-bottom: 28px;
    line-height: 1.55;
  }

  .hero h1 {
    order: 2;
    margin: 0 0 12px;
    font-size: clamp(2rem, 8.5vw, 2.25rem);
    line-height: 1.1;
  }

  .portrait-wrap {
    order: 1;
    width: 190px;
    margin: 0 0 32px;
  }

  .contact-links {
    order: 4;
    display: grid;
    width: min(100%, 360px);
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .contact-links a {
    justify-content: center;
  }

  .contact-links a:nth-child(1) {
    order: 1;
  }

  .contact-links a:nth-child(4) {
    order: 2;
  }

  .contact-links a:nth-child(2) {
    order: 3;
  }

  .contact-links a:nth-child(3) {
    order: 4;
  }

  .featured-work,
  .past-project {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .work-meta {
    flex-direction: row;
    align-items: center;
    gap: 12px;
  }

  .timeline-item {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .clean-list li {
    grid-template-columns: 94px minmax(0, 1fr);
  }

  .footer-inner {
    flex-direction: column;
    gap: 7px;
  }
}

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

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
  }
}

@media print {
  .site-header,
  .site-footer,
  .contact-links {
    display: none;
  }

  body {
    background: #fff;
    color: #111;
  }

  .section,
  .experience-section {
    break-inside: avoid;
  }
}