:root {
  --page: #fbfbf8;
  --surface: #ffffff;
  --ink: #1b2626;
  --muted: #657171;
  --line: #dce2de;
  --line-strong: #c3cfca;
  --accent: #176d69;
  --accent-soft: #e8f2ef;
  --max-width: 1120px;
  --copy-width: 780px;
  --radius: 12px;
  color-scheme: light;
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--page);
  color: var(--ink);
  font-size: 17px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

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

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

a:hover {
  color: #0d4f4c;
}

a:focus-visible {
  border-radius: 3px;
  outline: 3px solid rgba(23, 109, 105, 0.28);
  outline-offset: 3px;
}

main,
.site-footer {
  width: min(calc(100% - 3rem), var(--max-width));
  margin-inline: auto;
}

.outline-toggle {
  position: fixed;
  top: 1rem;
  left: 1rem;
  z-index: 60;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  padding: 0;
  border: 1px solid var(--line-strong);
  border-radius: 7px;
  background: rgba(251, 251, 248, 0.94);
  box-shadow: 0 5px 18px rgba(38, 55, 52, 0.08);
  color: var(--ink);
  cursor: pointer;
  font: inherit;
  backdrop-filter: blur(14px);
}

.outline-toggle:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.outline-toggle__icon {
  position: relative;
  width: 14px;
  height: 10px;
  border-top: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
}

.outline-toggle__icon::after {
  position: absolute;
  top: 3px;
  left: 0;
  width: 10px;
  border-top: 1.5px solid currentColor;
  content: "";
}

.site-outline {
  position: fixed;
  inset: 0 auto 0 0;
  z-index: 50;
  width: min(84vw, 300px);
  padding: 5.25rem 1.5rem 2rem;
  overflow-y: auto;
  border-right: 1px solid var(--line-strong);
  background: var(--page);
  box-shadow: 18px 0 42px rgba(32, 48, 46, 0.12);
  transform: translateX(-105%);
  transition: transform 180ms ease;
}

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

.outline-title {
  margin: 0 0 1rem;
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.outline-list,
.outline-list ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.outline-list > li {
  padding: 0.42rem 0;
  border-bottom: 1px solid var(--line);
}

.outline-list ul {
  padding: 0.35rem 0 0.2rem 1rem;
}

.outline-list ul li {
  padding: 0.22rem 0;
}

.outline-list a {
  color: var(--ink);
  font-size: 0.9rem;
  text-decoration: none;
}

.outline-list ul a {
  color: var(--muted);
  font-size: 0.8rem;
}

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

.outline-scrim {
  position: fixed;
  inset: 0;
  z-index: 40;
  border: 0;
  background: rgba(19, 31, 30, 0.18);
  cursor: default;
  opacity: 0;
  pointer-events: none;
  transition: opacity 180ms ease;
}

.outline-open .outline-scrim {
  opacity: 1;
  pointer-events: auto;
}

body.outline-open {
  overflow: hidden;
}

.intro-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1.15rem;
  width: min(100%, var(--copy-width));
  margin: 0.35rem auto 0;
  font-size: 0.86rem;
  letter-spacing: 0.02em;
}

.intro-links a {
  color: var(--accent);
  text-decoration: none;
}

.intro-links a:hover {
  color: #0d4f4c;
  text-decoration: underline;
}

main {
  display: block;
}

section[id] {
  scroll-margin-top: 24px;
}

.intro {
  padding: clamp(5rem, 9vw, 8rem) 0 clamp(2rem, 3.5vw, 3.25rem);
}

.intro__heading {
  display: grid;
  grid-template-columns: minmax(0, 1fr) clamp(150px, 22vw, 220px);
  align-items: center;
  gap: clamp(1.5rem, 6vw, 5rem);
  width: min(100%, var(--copy-width));
  margin: 0 auto clamp(2.5rem, 5vw, 4rem);
}

.eyebrow,
.project-kicker {
  margin: 0 0 0.9rem;
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  line-height: 1.4;
  text-transform: uppercase;
}

h1,
h2,
h3,
h4,
p {
  text-wrap: pretty;
}

h1 {
  margin: 0;
  font-size: clamp(2.75rem, 6vw, 4.75rem);
  font-weight: 350;
  letter-spacing: -0.065em;
  line-height: 0.95;
}

h1 strong {
  font-weight: 760;
}

.bio {
  max-width: var(--copy-width);
  margin-inline: auto;
}

.bio p,
.research-copy > p {
  margin: 0 0 1.35rem;
}

.portrait {
  width: 100%;
  margin: 0;
  justify-self: end;
}

.portrait img {
  width: 100%;
  height: auto;
  border-radius: var(--radius);
  box-shadow: 0 18px 52px rgba(29, 48, 46, 0.12);
  object-fit: contain;
}

.research-overview {
  border-top: 1px solid var(--line-strong);
  padding: clamp(2rem, 3.5vw, 3.25rem) 0;
}

.work-section {
  border-top: 1px solid var(--line-strong);
  padding: clamp(1.75rem, 3vw, 2.5rem) 0 0;
}

#phd-work {
  border-top: 0;
}

.section-heading {
  max-width: var(--copy-width);
  margin: 0 auto clamp(2.25rem, 4vw, 3.5rem);
}

.section-heading h2 {
  margin: 0;
  font-size: clamp(2.05rem, 4vw, 3.25rem);
  font-weight: 640;
  letter-spacing: -0.045em;
  line-height: 1;
}

.research-disclosure > summary {
  cursor: pointer;
  list-style: none;
  user-select: none;
}

.research-disclosure > summary::-webkit-details-marker {
  display: none;
}

.research-disclosure > summary h2 {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.research-disclosure > summary h2::after {
  color: var(--muted);
  content: "+";
  font-size: 0.7em;
  font-weight: 400;
  letter-spacing: 0;
}

.research-disclosure[open] > summary h2::after {
  content: "−";
}

.research-disclosure > summary:hover h2::after {
  color: var(--accent);
}

.research-disclosure > summary:focus-visible {
  border-radius: 3px;
  outline: 3px solid rgba(23, 109, 105, 0.28);
  outline-offset: 5px;
}

.research-disclosure:not([open]) > .section-heading {
  margin-bottom: 0;
}

.research-copy {
  max-width: var(--copy-width);
  margin-inline: auto;
}

.overview-figure {
  width: min(100%, 960px);
  margin: 2.6rem auto 2.8rem;
}

.overview-figure img {
  width: 100%;
  height: auto;
}

.project {
  display: grid;
  width: min(100%, var(--copy-width));
  grid-template-columns: minmax(180px, 220px) minmax(0, 1fr);
  grid-template-areas:
    "media intro"
    "media refs";
  column-gap: clamp(1.5rem, 4vw, 2.5rem);
  row-gap: 0;
  align-items: start;
  margin-inline: auto;
  padding: clamp(1.5rem, 3vw, 2.625rem) 0;
  border-top: 1px solid var(--line);
}

.project--feature {
  grid-template-columns: minmax(0, var(--copy-width));
  grid-template-areas:
    "intro"
    "media"
    "refs";
  column-gap: 0;
}

.work-section .project:last-child {
  padding-bottom: clamp(1.375rem, 2vw, 1.875rem);
}

.work-section > .project:first-of-type {
  padding-top: 0;
  border-top: 0;
}

.project-media {
  display: block;
  align-self: start;
  justify-self: start;
  width: min(100%, 260px);
  height: max-content;
  margin: 0;
}

.project--feature .project-media {
  width: 100%;
  margin-top: 1.5rem;
}

.project-media > img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: 0 8px 22px rgba(38, 55, 52, 0.08);
}

.project-media--contained > img {
  padding: 0;
  object-fit: contain;
}

.hdr-comparison {
  position: relative;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: stretch;
  overflow: hidden;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: 0 8px 22px rgba(38, 55, 52, 0.08);
}

.hdr-comparison::after {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 1px;
  background: var(--line-strong);
  content: "";
  transform: translateX(-0.5px);
}

.hdr-comparison > div {
  display: grid;
  grid-template-rows: auto auto;
  min-width: 0;
  background: var(--surface);
}

.hdr-comparison__frame {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: #f4f5f2;
}

.hdr-comparison__frame img {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  object-fit: contain;
}

.hdr-comparison__hdr {
  opacity: 1;
}

.hdr-comparison > div > span {
  display: block;
  padding: 0.55rem 0.35rem;
  color: var(--muted);
  font-size: 0.62rem;
  font-weight: 650;
  letter-spacing: 0.07em;
  line-height: 1.3;
  text-align: center;
  text-transform: uppercase;
}

.hdr-hover-hint {
  font-weight: 550;
  letter-spacing: 0;
  text-transform: none;
}

@media (hover: hover) and (pointer: fine) {
  .hdr-comparison__hdr {
    opacity: 0;
    transition: opacity 140ms ease;
  }

  .hdr-comparison:has(> div:last-child:hover) .hdr-comparison__hdr {
    opacity: 1;
  }
}

.project-media-stack {
  display: grid;
  grid-area: media;
  align-self: start;
  justify-self: start;
  gap: 0.85rem;
  width: min(100%, 260px);
  height: max-content;
  margin: 0;
}

.project-media-stack > img {
  display: block;
  width: 100%;
  height: auto;
  padding: 0;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: 0 8px 22px rgba(38, 55, 52, 0.08);
  object-fit: contain;
}

.project > .project-media {
  grid-area: media;
}

.project-intro {
  grid-area: intro;
  min-width: 0;
  width: min(100%, var(--copy-width));
}

.project-intro h4 {
  margin: 0 0 1.15rem;
  font-size: clamp(1.5rem, 2.8vw, 2.05rem);
  font-weight: 650;
  letter-spacing: -0.045em;
  line-height: 1.08;
}

.project-intro > p:not(.project-kicker) {
  margin: 0;
  color: #33413f;
}

.project > .publication-list {
  grid-area: refs;
  width: min(100%, var(--copy-width));
}

.publication-list {
  margin: 2rem 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
  list-style: none;
}

.publication-list li {
  padding: 0.72rem 0;
  border-bottom: 1px solid var(--line);
  color: #43504e;
  font-size: 0.8rem;
  line-height: 1.55;
}

.publication-list li:last-child {
  border-bottom: 0;
}

.publication-list strong {
  color: var(--ink);
  font-weight: 700;
}

.resource-links {
  white-space: nowrap;
}

.resource-links a {
  font-weight: 650;
  text-decoration: none;
}

.publication-note {
  display: block;
  margin-top: 0.2rem;
  color: var(--muted);
  font-size: 0.75rem;
}

.site-footer {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 2rem;
  padding: 1rem 0 3.25rem;
  border-top: 1px solid var(--line-strong);
  color: var(--muted);
  font-size: 0.78rem;
}

.site-footer p {
  margin: 0;
}

.site-footer > a {
  flex: 0 0 auto;
  text-decoration: none;
}

.error-page {
  min-height: 100vh;
  display: grid;
  align-content: center;
  justify-items: start;
  padding-block: 4rem;
}

.error-page h1 {
  margin-bottom: 1.5rem;
  font-size: clamp(3rem, 9vw, 6rem);
}

.error-page p {
  margin: 0.25rem 0;
}

@media (max-width: 860px) {
  .project {
    grid-template-columns: minmax(0, var(--copy-width));
    grid-template-areas:
      "intro"
      "media"
      "refs";
    column-gap: 0;
    row-gap: 0;
  }

  .project--feature {
    grid-template-areas:
      "intro"
      "media"
      "refs";
  }

  .project > .project-media,
  .project > .project-media-stack {
    margin-top: 1.5rem;
  }
}

@media (max-width: 700px) {
  body {
    font-size: 16px;
  }

  main,
  .site-footer {
    width: min(calc(100% - 2rem), var(--max-width));
  }

  .intro__heading {
    grid-template-columns: minmax(0, 1fr) minmax(140px, 180px);
    gap: 1.5rem;
  }

  .portrait {
    width: 100%;
  }

  .project {
    grid-template-columns: 1fr;
    row-gap: 0;
  }

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

  .project--feature .project-media {
    width: 100%;
  }

  .publication-list li {
    padding-block: 0.62rem;
    font-size: 0.77rem;
  }

  .site-footer {
    align-items: start;
    padding-bottom: 2rem;
  }
}

@media (max-width: 470px) {
  .outline-toggle {
    top: 0.75rem;
    left: 0.75rem;
  }

  h1 {
    font-size: clamp(2.6rem, 13vw, 3.6rem);
  }

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

  .portrait {
    width: min(48vw, 170px);
    justify-self: start;
  }

  .hdr-comparison span {
    font-size: 0.54rem;
    letter-spacing: 0.03em;
  }

  .site-footer {
    flex-direction: column;
    gap: 1rem;
  }
}

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

  .site-outline,
  .outline-scrim {
    transition: none;
  }
}