:root {
  --paper: #f3f0e9;
  --paper-deep: #e5dfd4;
  --ink: #171713;
  --muted: #66645d;
  --line: #c8c1b5;
  --red: #a63126;
  --red-dark: #812219;
  --green: #a8c5b5;
  --research-bg: #15231f;
  --research-ink: #edf2ec;
  --research-muted: #aebbb4;
  --research-line: #41504a;
  --white: #fff;
  --max: 1240px;
  --gutter: clamp(20px, 4vw, 64px);
  --serif: Georgia, "Times New Roman", serif;
  --sans: "Helvetica Neue", Helvetica, Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  letter-spacing: 0;
  -webkit-font-smoothing: antialiased;
}

body.menu-open {
  overflow: hidden;
}

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

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
}

button,
input {
  font: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

:focus-visible {
  outline: 3px solid var(--green);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 10px;
  left: 10px;
  padding: 10px 16px;
  background: var(--white);
  color: var(--ink);
  transform: translateY(-160%);
}

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

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.site-header {
  position: absolute;
  z-index: 20;
  top: 0;
  left: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  min-height: 92px;
  padding: 0 var(--gutter);
  border-bottom: 1px solid rgba(23, 23, 19, 0.18);
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 15px;
  color: var(--ink);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  text-transform: uppercase;
}

.wordmark > span:first-child {
  display: grid;
  width: 40px;
  height: 40px;
  place-items: center;
  border: 1px solid var(--ink);
  font-family: var(--serif);
  font-size: 16px;
  font-weight: 400;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(22px, 3vw, 45px);
}

.site-nav a {
  position: relative;
  color: var(--white);
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
  text-transform: uppercase;
}

.site-nav a:not(.nav-cv)::after {
  position: absolute;
  right: 0;
  bottom: -7px;
  left: 0;
  height: 1px;
  background: currentColor;
  content: "";
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 180ms ease;
}

.site-nav a:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

.site-nav .nav-cv {
  padding: 11px 16px;
  border: 1px solid var(--white);
}

.site-nav .nav-cv:hover {
  background: var(--white);
  color: var(--ink);
}

.menu-button {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 0;
  background: transparent;
}

.menu-button span {
  display: block;
  width: 24px;
  height: 1px;
  margin: 7px auto;
  background: var(--ink);
  transition: transform 180ms ease;
}

.hero {
  position: relative;
  display: grid;
  min-height: min(860px, 94vh);
  padding: 168px var(--gutter) 84px;
  overflow: hidden;
  background: var(--paper);
  border-bottom: 1px solid var(--line);
  isolation: isolate;
}

.hero::before {
  position: absolute;
  z-index: -2;
  top: 0;
  right: 0;
  width: 45%;
  height: 100%;
  background: #1d2824;
  content: "";
}

.hero-copy {
  align-self: center;
  width: min(660px, 54vw);
}

.eyebrow {
  margin: 0 0 22px;
  color: var(--red);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 680px;
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(68px, 8.8vw, 142px);
  font-weight: 400;
  line-height: 0.84;
  letter-spacing: 0;
}

.hero-intro {
  max-width: 570px;
  margin: 42px 0 0;
  font-family: var(--serif);
  font-size: clamp(21px, 2.2vw, 30px);
  line-height: 1.38;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 38px;
}

.button {
  display: inline-flex;
  min-height: 50px;
  align-items: center;
  justify-content: center;
  padding: 12px 21px;
  border: 1px solid var(--ink);
  font-size: 13px;
  font-weight: 750;
  text-decoration: none;
  text-transform: uppercase;
  transition: background-color 180ms ease, color 180ms ease;
}

.button-primary {
  background: var(--red);
  border-color: var(--red);
  color: var(--white);
}

.button-primary:hover {
  background: var(--red-dark);
  border-color: var(--red-dark);
}

.button-secondary:hover {
  background: var(--ink);
  color: var(--paper);
}

.hero-image-wrap {
  position: absolute;
  z-index: -1;
  top: 92px;
  right: 0;
  width: 43%;
  height: calc(100% - 92px);
  overflow: hidden;
}

.hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 24%;
  filter: saturate(0.82) contrast(1.02);
}

.hero-role {
  position: absolute;
  right: var(--gutter);
  bottom: 28px;
  display: flex;
  justify-content: space-between;
  width: calc(43% - var(--gutter) * 2);
  color: var(--white);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
}

.section {
  display: grid;
  grid-template-columns: minmax(118px, 0.22fr) minmax(0, 1fr);
  gap: clamp(30px, 6vw, 100px);
  padding: 110px var(--gutter);
  scroll-margin-top: 30px;
}

.section-label {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  color: var(--muted);
  font-size: 11px;
  font-weight: 750;
  text-transform: uppercase;
}

.section-label span:first-child {
  color: var(--red);
}

.about {
  max-width: calc(var(--max) + var(--gutter) * 2);
  min-height: 760px;
  margin: 0 auto;
}

.about-content h2,
.contact-content h2 {
  max-width: 1020px;
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(42px, 5.4vw, 82px);
  font-weight: 400;
  line-height: 1.02;
}

.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(35px, 7vw, 110px);
  margin-top: 82px;
  padding-top: 35px;
  border-top: 1px solid var(--line);
}

.about-grid p {
  margin-top: 0;
}

.about-lead {
  max-width: 480px;
  font-family: var(--serif);
  font-size: clamp(23px, 2.4vw, 32px);
  line-height: 1.4;
}

.about-details {
  max-width: 630px;
  color: #44443f;
  font-size: 17px;
}

.about-details p + p {
  margin-top: 28px;
}

.affiliations {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  margin-top: 70px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.affiliations a {
  flex: 1 1 150px;
  padding: 24px 18px;
  border-right: 1px solid var(--line);
  color: var(--muted);
  font-family: var(--serif);
  font-size: 17px;
  text-align: center;
  text-decoration: none;
  transition: background-color 180ms ease, color 180ms ease;
}

.affiliations a:last-child {
  border-right: 0;
}

.affiliations a:hover {
  background: var(--paper-deep);
  color: var(--ink);
}

.research {
  background: var(--research-bg);
  color: var(--research-ink);
}

.research-content {
  min-width: 0;
  max-width: 1100px;
}

.section-label-light {
  color: var(--research-muted);
}

.section-label-light span:first-child {
  color: var(--green);
}

.eyebrow-light {
  color: var(--green);
}

.research-heading {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(220px, 0.7fr);
  gap: clamp(32px, 6vw, 90px);
  align-items: end;
}

.research-heading h2 {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(48px, 6.5vw, 96px);
  font-weight: 400;
  line-height: 0.96;
}

.research-heading > p {
  max-width: 350px;
  margin: 0 0 8px;
  color: var(--research-muted);
  font-size: 15px;
}

.research-tools {
  display: flex;
  gap: 26px;
  align-items: flex-end;
  justify-content: space-between;
  margin: 78px 0 30px;
  padding-bottom: 23px;
  border-bottom: 1px solid var(--research-line);
}

.filters {
  display: flex;
  max-width: 100%;
  gap: 7px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.filter {
  flex: 0 0 auto;
  min-height: 40px;
  padding: 8px 13px;
  border: 1px solid var(--research-line);
  background: transparent;
  color: var(--research-muted);
  cursor: pointer;
  font-size: 12px;
  font-weight: 700;
}

.filter:hover,
.filter.is-active {
  background: var(--green);
  border-color: var(--green);
  color: var(--ink);
}

.search {
  position: relative;
  flex: 0 0 min(260px, 30%);
}

.search::after {
  position: absolute;
  top: 10px;
  right: 2px;
  width: 14px;
  height: 14px;
  border: 1px solid var(--research-muted);
  border-radius: 50%;
  content: "";
}

.search::before {
  position: absolute;
  z-index: 1;
  right: 0;
  bottom: 8px;
  width: 7px;
  height: 1px;
  background: var(--research-muted);
  content: "";
  transform: rotate(45deg);
}

.search input {
  width: 100%;
  min-height: 40px;
  padding: 6px 28px 6px 0;
  border: 0;
  border-bottom: 1px solid var(--research-line);
  border-radius: 0;
  outline: 0;
  background: transparent;
  color: var(--research-ink);
}

.search input::placeholder {
  color: var(--research-muted);
}

.search input:focus {
  border-bottom-color: var(--green);
}

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

.paper {
  display: grid;
  grid-template-columns: 74px minmax(0, 1fr);
  gap: clamp(20px, 4vw, 58px);
  padding: 38px 0 42px;
  border-bottom: 1px solid var(--research-line);
}

.paper[hidden] {
  display: none;
}

.paper.featured {
  position: relative;
  padding-left: 20px;
  border-left: 3px solid var(--green);
}

.paper.work-in-progress {
  padding-top: 28px;
  padding-bottom: 30px;
}

.paper.work-in-progress h3 {
  font-size: clamp(22px, 2.2vw, 30px);
}

.paper.work-in-progress .paper-authors {
  margin-top: 8px;
}

.paper-year {
  padding-top: 4px;
  color: var(--green);
  font-family: var(--serif);
  font-size: 15px;
}

.paper-status {
  margin-bottom: 9px;
  color: var(--research-muted);
  font-size: 11px;
  font-weight: 750;
  text-transform: uppercase;
}

.paper h3 {
  max-width: 850px;
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(24px, 2.6vw, 36px);
  font-weight: 400;
  line-height: 1.18;
}

.paper-authors {
  margin: 12px 0 0;
  color: var(--research-muted);
  font-size: 14px;
}

.paper-abstract {
  max-width: 760px;
  margin: 22px 0 0;
  color: #ccd5d0;
  font-size: 15px;
}

.paper-links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin-top: 24px;
}

.paper-links a {
  color: var(--research-ink);
  font-size: 12px;
  font-weight: 750;
  text-decoration-color: var(--green);
  text-transform: uppercase;
}

.paper-links a::after {
  content: " ↗";
}

.paper-links a:hover {
  color: var(--green);
}

.no-results {
  padding: 60px 0;
  color: var(--research-muted);
  font-family: var(--serif);
  font-size: 28px;
}

.contact {
  max-width: calc(var(--max) + var(--gutter) * 2);
  min-height: 640px;
  margin: 0 auto;
}

.contact-content {
  min-width: 0;
}

.email-link {
  display: inline-block;
  max-width: 100%;
  margin-top: 65px;
  color: var(--red);
  font-family: var(--serif);
  font-size: clamp(24px, 3.6vw, 52px);
  overflow-wrap: anywhere;
  text-decoration-thickness: 2px;
}

.contact-meta {
  display: flex;
  gap: 40px;
  align-items: flex-end;
  justify-content: space-between;
  margin-top: 82px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
}

.contact-meta address {
  color: var(--muted);
  font-style: normal;
}

.contact-meta > a {
  flex: 0 0 auto;
  font-size: 12px;
  font-weight: 750;
  text-transform: uppercase;
}

.site-footer {
  display: flex;
  min-height: 88px;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--gutter);
  background: var(--ink);
  color: var(--paper);
  font-size: 12px;
  text-transform: uppercase;
}

.site-footer a {
  text-decoration: none;
}

@media (max-width: 980px) {
  .site-header {
    min-height: 78px;
  }

  .menu-button {
    position: relative;
    z-index: 30;
    display: block;
  }

  .menu-button[aria-expanded="true"] span:first-child {
    transform: translateY(4px) rotate(45deg);
  }

  .menu-button[aria-expanded="true"] span:last-child {
    transform: translateY(-4px) rotate(-45deg);
  }

  .site-nav {
    position: fixed;
    z-index: 25;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    padding: 100px var(--gutter);
    background: var(--paper);
    transform: translateX(100%);
    transition: transform 220ms ease;
  }

  .site-nav.is-open {
    transform: translateX(0);
  }

  .site-nav a {
    color: var(--ink);
    font-family: var(--serif);
    font-size: 36px;
    font-weight: 400;
    text-transform: none;
  }

  .site-nav .nav-cv {
    margin-top: 18px;
    font-family: var(--sans);
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    border-color: var(--ink);
  }

  .hero {
    min-height: 930px;
    padding-top: 130px;
    padding-bottom: 54%;
  }

  .hero::before {
    top: auto;
    bottom: 0;
    width: 100%;
    height: 48%;
  }

  .hero-copy {
    align-self: start;
    width: 100%;
  }

  .hero h1 {
    font-size: clamp(72px, 15vw, 126px);
  }

  .hero-intro {
    max-width: 620px;
  }

  .hero-image-wrap {
    top: auto;
    bottom: 0;
    width: 66%;
    height: 50%;
  }

  .hero-image {
    object-position: center 22%;
  }

  .hero-role {
    right: auto;
    bottom: 26px;
    left: var(--gutter);
    display: grid;
    width: auto;
    gap: 6px;
  }

  .section {
    grid-template-columns: 1fr;
    gap: 48px;
    padding-top: 85px;
    padding-bottom: 85px;
  }

  .research-heading {
    grid-template-columns: 1fr;
  }

  .research-tools {
    align-items: stretch;
    flex-direction: column;
  }

  .search {
    flex-basis: auto;
    width: min(100%, 400px);
  }
}

@media (max-width: 700px) {
  .wordmark-name {
    display: none;
  }

  .hero {
    min-height: 840px;
    padding-top: 112px;
    padding-bottom: 420px;
  }

  .hero::before {
    height: 390px;
  }

  .hero h1 {
    font-size: clamp(62px, 19vw, 104px);
  }

  .hero-intro {
    margin-top: 27px;
    font-size: 20px;
  }

  .hero-actions {
    margin-top: 28px;
  }

  .button {
    flex: 1 1 180px;
  }

  .hero-image-wrap {
    width: 82%;
    height: 390px;
  }

  .hero-role {
    z-index: 1;
    bottom: 18px;
  }

  .section {
    padding-top: 70px;
    padding-bottom: 70px;
  }

  .about {
    min-height: auto;
  }

  .about-grid {
    grid-template-columns: 1fr;
    margin-top: 54px;
  }

  .about-details {
    font-size: 16px;
  }

  .affiliations {
    display: grid;
    grid-template-columns: 1fr 1fr;
    margin-top: 50px;
  }

  .affiliations a {
    border-right: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
  }

  .affiliations a:nth-child(2n) {
    border-right: 0;
  }

  .affiliations a:last-child {
    grid-column: 1 / -1;
    border-bottom: 0;
  }

  .research-tools {
    margin-top: 52px;
  }

  .paper {
    grid-template-columns: 1fr;
    gap: 9px;
    padding: 31px 0 36px;
  }

  .paper.featured {
    padding-left: 15px;
  }

  .paper-abstract {
    margin-top: 18px;
  }

  .contact {
    min-height: auto;
  }

  .contact-content h2 {
    font-size: clamp(40px, 13vw, 60px);
  }

  .email-link {
    margin-top: 45px;
  }

  .contact-meta {
    align-items: flex-start;
    flex-direction: column;
    margin-top: 55px;
  }

  .site-footer {
    min-height: 110px;
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
    gap: 8px;
  }
}

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

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