/* ---------- GENERAL ---------- */

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: #ffffff;
  color: #222;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 17px;
  line-height: 1.7;
}

a {
  color: #2d5873;
  text-decoration: underline;
}

a:hover {
  text-decoration: underline;
}

.container {
  max-width: 920px;
  margin: 0 auto;
  padding: 0 30px;
}


/* ---------- NAVIGATION ---------- */

nav {
  border-bottom: 1px solid #e5e5e5;
  padding: 20px 0;
  font-family: Arial, Helvetica, sans-serif;
}

.nav-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-name {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 21px;
  font-weight: 500;
  letter-spacing: 0;
}

.nav-name a {
  color: #222;
}

.nav-links a {
  margin-left: 28px;
  color: #444;
  font-size: 15px;
}

.nav-links a:hover {
  color: #000;
}


/* ---------- INTRO ---------- */

.intro {
  display: grid;
  grid-template-columns: 1fr 220px;
  gap: 60px;
  align-items: center;
  padding: 75px 0 55px;
}

.home h1 {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 42px;
  margin: 0 0 6px;
  font-weight: 500;
  letter-spacing: 0;
}

.position {
  font-family: Arial, Helvetica, sans-serif;
  font-size: 18px;
  color: #555;
  margin-bottom: 3px;
}

.institution {
  font-family: Arial, Helvetica, sans-serif;
  font-size: 16px;
  color: #666;
  margin-bottom: 23px;
}

.fields {
  font-size: 16px;
  color: #555;
  margin-bottom: 20px;
}

.profile-photo {
  width: 210px;
  height: auto;
  display: block;
  border-radius: 4px;
}

.quick-links {
  font-family: Arial, Helvetica, sans-serif;
  font-size: 15px;
  margin-top: 18px;
}

.quick-links a {
  margin-right: 18px;
}


/* ---------- PAGE HEADER ---------- */

.page-header {
  padding: 65px 0 35px;
}

.page h1 {
  font-family: Arial, Helvetica, sans-serif;
  font-size: 36px;
  font-weight: 500;
  margin: 0;
  letter-spacing: -0.5px;
}


/* ---------- SECTIONS ---------- */

.home section {
  padding: 42px 0;
  border-top: 1px solid #ececec;
}

.page section {
  padding: 35px 0 20px;
  border-top: 1px solid #ececec;
}

.home h2 {
  font-family: Arial, Helvetica, sans-serif;
  font-size: 25px;
  font-weight: 500;
  margin-top: 0;
  margin-bottom: 25px;
}

.research-page h2 {
  font-family: Arial, Helvetica, sans-serif;
  color: #777;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.5px;
  margin-top: 0;
  margin-bottom: 14px;
  text-transform: uppercase;
}

.research-page .page-header,
.teaching-page .page-header {
  padding: 42px 0 12px;
}

.research-page h1,
.teaching-page h1 {
  color: #777;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.research-page section,
.teaching-page section {
  padding: 24px 0 10px;
}

.teaching-page h2 {
  font-family: Arial, Helvetica, sans-serif;
  font-size: 20px;
  font-weight: 600;
  margin-top: 0;
  margin-bottom: 4px;
}

p {
  margin-top: 0;
  margin-bottom: 18px;
}


/* ---------- PAPERS ---------- */

.paper {
  margin-bottom: 55px;
}

.research-page .paper {
  margin-bottom: 0;
  padding: 18px 0 22px;
  border-top: 1px solid #f0f0f0;
}

.research-page h2 + .paper {
  border-top: 0;
  padding-top: 0;
}

.research-page section:first-of-type .paper:first-child {
  border-top: 0;
  padding-top: 0;
}

.paper-title {
  font-size: 20px;
  font-weight: bold;
  margin-bottom: 4px;
}

.research-page .paper-title {
  font-size: 19px;
  font-weight: 500;
  line-height: 1.35;
  margin-bottom: 5px;
}

.paper-status {
  font-family: Arial, Helvetica, sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-size: 12px;
  font-weight: 600;
  color: #777;
  margin-bottom: 7px;
}

.research-page .paper-status {
  text-transform: none;
  letter-spacing: 0;
  font-size: 14px;
  font-weight: 400;
  margin-bottom: 6px;
}

.coauthors {
  font-size: 16px;
  margin-bottom: 9px;
  color: #555;
}

.research-page .coauthors {
  font-size: 15px;
  margin-bottom: 6px;
}

.paper-links {
  font-family: Arial, Helvetica, sans-serif;
  font-size: 14px;
  margin-bottom: 16px;
}

.research-page .paper-links {
  margin-bottom: 8px;
}

.paper-links a {
  margin-right: 16px;
}

.abstract-label {
  font-weight: bold;
}

.abstract {
  max-width: 850px;
}

.abstract p {
  margin-top: 0;
  margin-bottom: 15px;
}

.research-page .abstract {
  color: #333;
  font-size: 16px;
  line-height: 1.65;
  max-width: 850px;
}

.research-page .abstract summary {
  color: #777;
  cursor: pointer;
  display: inline-block;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.5px;
  margin-bottom: 6px;
}

.research-page .abstract summary:hover {
  color: #555;
  text-decoration: underline;
}

.research-page .abstract[open] summary {
  margin-bottom: 8px;
}

.research-page .abstract p {
  margin-top: 0;
  margin-bottom: 0;
}

.research-page .abstract-label {
  display: none;
}


/* ---------- COURSES ---------- */

.department {
  font-family: Arial, Helvetica, sans-serif;
  font-size: 14px;
  color: #777;
  margin-top: -25px;
  margin-bottom: 35px;
}

.teaching-page .department {
  margin-top: 0;
  margin-bottom: 12px;
}

.course {
  margin-bottom: 38px;
}

.teaching-page .course {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  column-gap: 24px;
  row-gap: 2px;
  align-items: baseline;
  margin-left: 24px;
  margin-bottom: 0;
  padding: 12px 0;
  border-top: 1px solid #f0f0f0;
}

.teaching-page .department + .course {
  border-top: 0;
}

.course-title {
  font-size: 19px;
  font-weight: bold;
  margin-bottom: 3px;
}

.teaching-page .course-title {
  font-size: 17px;
  font-weight: 400;
  margin-bottom: 0;
}

.course-semester {
  color: #666;
  font-size: 16px;
  margin-bottom: 8px;
}

.teaching-page .course-semester {
  color: #666;
  font-size: 15px;
  margin-bottom: 0;
}

.course-role {
  font-style: italic;
  color: #666;
  font-size: 15px;
  margin-bottom: 8px;
}

.teaching-page .course-role {
  font-size: 15px;
  margin-bottom: 0;
}

.course-links {
  font-family: Arial, Helvetica, sans-serif;
  font-size: 14px;
}

.teaching-page .course-links {
  grid-column: 2;
  grid-row: 1 / span 3;
  white-space: nowrap;
}

.course-links a {
  margin-right: 16px;
}


/* ---------- FOOTER ---------- */

footer {
  border-top: 1px solid #e5e5e5;
  padding: 30px 0 45px;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 13px;
  color: #888;
}

.home footer {
  margin-top: 30px;
}

.page footer {
  margin-top: 35px;
}


/* ---------- MOBILE ---------- */

@media (max-width: 700px) {

  .nav-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .nav-links {
    margin-top: 12px;
  }

  .nav-links a {
    margin-left: 0;
    margin-right: 18px;
  }

  .intro {
    grid-template-columns: 1fr;
    padding-top: 45px;
    gap: 30px;
  }

  .profile-photo {
    width: 180px;
  }

  .intro-photo {
    order: -1;
  }

  .home h1 {
    font-size: 34px;
  }

  .page-header {
    padding-top: 45px;
  }

  .page h1 {
    font-size: 31px;
  }

  .teaching-page .page-header {
    padding-top: 34px;
  }

  .research-page h1,
  .teaching-page h1 {
    font-size: 13px;
  }

  .teaching-page .course {
    grid-template-columns: 1fr;
    margin-left: 16px;
    row-gap: 3px;
  }

  .teaching-page .course-links {
    grid-column: 1;
    grid-row: auto;
    margin-top: 2px;
  }

}