:root {
  --paper: #fff;
  --ink: #171717;
  --accent: #285a49;
  --muted: #686868;
  --rule: #d8d8d4;
  --rail: #b8b8b1;
  --panel: #f2f2ee;
  --page-max: 1180px;
  --sans: Avenir, "Nunito", "Lato", Verdana, sans-serif;
  --signal: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
}

* {
  box-sizing: border-box;
}

html {
  margin: 0;
  padding: 0;
  background: #fff;
}

body {
  width: min(var(--page-max), calc(100% - 64px));
  margin: 0 auto 100px;
  padding: 30px 0 0;
  background: #fff;
  color: var(--ink);
  font-family: var(--sans);
  font-size: 15px;
  font-weight: 400;
  line-height: 1.55;
}

header {
  position: relative;
  padding: 0 1% 14px;
  border-bottom: 2px solid var(--ink);
}

header::after {
  position: absolute;
  bottom: -2px;
  left: 1%;
  width: 5.25rem;
  content: "";
  border-bottom: 2px solid var(--accent);
}

h1#name {
  margin: 0;
  color: var(--ink);
  font-family: var(--sans);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.035em;
  line-height: 1.05;
}

h2.institute,
h3,
h4 {
  color: var(--ink);
  font-family: var(--sans);
}

h3 {
  margin: 24px 0 10px;
  font-size: 1.25rem;
  font-weight: 750;
  line-height: 1.2;
}

section#aboutme h3,
section#main > h3,
footer#contact h3 {
  font-family: var(--signal);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  line-height: 1.3;
  text-transform: uppercase;
}

section#main > h3 {
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

section#main > h3::after {
  flex: 1;
  content: "";
  border-bottom: 1px solid var(--ink);
}

h4 {
  position: relative;
  display: flex;
  align-items: center;
  gap: 0.55rem;
  margin: 26px 0 10px;
  font-family: var(--signal);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  line-height: 1.25;
  text-transform: uppercase;
}

h4::before,
h4::after {
  position: static;
  top: auto;
  content: "";
}

h4::before {
  width: 0.75rem;
  border-bottom: 1px solid var(--ink);
}

h4::after {
  width: 3rem;
  margin: 0;
  border-bottom: 1px solid var(--accent);
}

#opening {
  display: grid;
  grid-template-columns: minmax(260px, 34%) minmax(0, 1fr);
  gap: clamp(24px, 4vw, 56px);
  align-items: stretch;
  margin: 15px 1% 32px;
}

section#main {
  width: 100%;
  float: none;
  margin: 0 0 32px;
  padding: 0 1%;
  text-align: left;
}

section#aboutme {
  margin: 0;
  padding: 8px 18px 10px;
  border: 1px solid #d8d8d2;
  border-top: 2px solid var(--ink);
  border-radius: 0;
  background: var(--panel);
}

section#aboutme h3 {
  margin-top: 10px;
}

p {
  margin-top: 0.7em;
  margin-bottom: 0.9em;
}

a,
a:visited {
  color: var(--ink);
  text-decoration-line: underline;
  text-decoration-color: #767676;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

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

a:focus-visible {
  color: var(--accent);
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  text-decoration-color: currentColor;
}

p.abstract {
  max-width: 70rem;
  margin: 8px 0 12px 1.6rem;
  padding-left: 1rem;
  border-left: 3px solid var(--rail);
  color: #303030;
  line-height: 1.55;
}

details.publication-abstract > summary {
  font-family: var(--signal);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

details.publication-abstract > summary {
  width: fit-content;
  margin: 0.3rem 0 0.65rem 1.6rem;
  color: var(--accent);
  cursor: pointer;
  list-style: none;
}

details.publication-abstract > summary::-webkit-details-marker {
  display: none;
}

details.publication-abstract > summary::marker {
  content: "";
}

details.publication-abstract > summary:hover {
  color: var(--ink);
}

details.publication-abstract > summary:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

details.publication-abstract:not([open]) > p.abstract {
  display: none;
}

details.publication-abstract .hide-abstract,
details.publication-abstract[open] .show-abstract {
  display: none;
}

details.publication-abstract[open] .hide-abstract {
  display: inline;
}

ul.work_items {
  margin: 10px 0 0;
  padding-left: 1.35rem;
  list-style: square;
}

ul.work_items li {
  margin: 0 0 0.3rem;
  padding: 0;
}

.essay-description {
  margin: 0.2rem 0 0.85rem;
  color: var(--muted);
  font-size: 0.95em;
  line-height: 1.45;
}

ul.work_items li::marker {
  color: var(--accent);
}

.date {
  color: var(--accent);
  font-family: var(--signal);
  font-size: 0.92em;
  font-weight: 800;
}

h5.group-label {
  margin: 0 0 0.45rem;
  color: var(--accent);
  font-family: var(--signal);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  line-height: 1.2;
  text-transform: uppercase;
}

.paper-groups,
.presentation-groups {
  margin-top: 1rem;
}

.record-group + .record-group {
  margin-top: 1.3rem;
  padding-top: 1.2rem;
  border-top: 1px solid var(--rule);
}

.record-group > ul.work_items {
  margin-top: 0;
}

.teaching-groups {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.5rem clamp(2rem, 5vw, 4rem);
  margin-top: 1rem;
}

.teaching-group > ul.work_items {
  margin: 0;
}

div#picture {
  display: grid;
  grid-template-rows: minmax(0, 1fr) auto;
  min-height: 0;
  margin: 0;
  text-align: center;
}

.photo-fallback,
.photo-grid {
  min-height: 0;
  contain: size;
}

.photo-fallback img,
.photo-grid img {
  display: block;
  width: 100%;
  height: 100%;
  margin: 0;
  border-radius: 0;
  opacity: 1;
  object-fit: cover;
}

.photo-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  grid-template-rows: minmax(0, 3fr) minmax(0, 2fr);
  gap: 3px;
  overflow: hidden;
  background: #fff;
}

.photo-primary {
  grid-column: 1 / -1;
}

.picture-caption {
  margin: 0.5rem 0 0;
  color: var(--muted);
  font-family: var(--signal);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  line-height: 1.35;
  text-align: left;
  text-transform: uppercase;
}

ul#emails {
  padding: 0;
  margin: 0;
  font-family: var(--signal);
  font-size: 0.85rem;
}

a.bibtex-link {
  border-color: var(--muted);
  text-decoration: none;
}

footer#contact {
  display: grid;
  grid-template-columns: minmax(8rem, 0.22fr) minmax(0, 1fr);
  column-gap: 24px;
  margin: 32px 1% 0;
  padding: 20px 0 48px;
  border-top: 1px solid var(--ink);
}

footer#contact h3 {
  grid-row: 1 / span 2;
  margin: 0;
}

footer#contact p,
footer#contact ul {
  grid-column: 2;
}

footer#contact p {
  margin: 0 0 0.4rem;
}

@media (max-width: 820px) {
  body {
    width: min(calc(100% - 32px), var(--page-max));
    margin-bottom: 64px;
    padding-top: 20px;
    font-size: 16px;
  }

  header {
    padding: 0 0 14px;
  }

  #opening {
    grid-template-columns: 1fr;
    gap: 22px;
    margin-right: 0;
    margin-left: 0;
  }

  section#main {
    width: 100%;
    margin-right: 0;
    padding-right: 0;
    padding-left: 0;
    text-align: left;
  }

  section#main {
    margin-bottom: 64px;
  }

  footer#contact {
    grid-template-columns: 1fr;
    row-gap: 8px;
    margin-right: 0;
    margin-left: 0;
  }

  footer#contact h3,
  footer#contact p,
  footer#contact ul {
    grid-column: 1;
    grid-row: auto;
  }

  .teaching-groups {
    grid-template-columns: 1fr;
  }

  div#picture {
    width: 100%;
    max-width: 34rem;
    margin-right: auto;
    margin-left: auto;
  }

  .photo-fallback,
  .photo-grid {
    width: 100%;
    height: clamp(300px, 78vw, 430px);
    min-height: 0;
  }

  section#aboutme {
    padding-right: 15px;
    padding-left: 15px;
  }

  h4::after {
    display: none;
  }

  p.abstract {
    margin-left: 0.5rem;
  }
}