.teaching-header {
  position: relative;
  padding-bottom: 42px !important;
  margin-bottom: 0 !important;
}

.teaching-header::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 72px;
  height: 3px;
  background: var(--accent);
}

.teaching-eyebrow,
.teaching-section-label {
  margin: 0 0 12px;
  color: var(--muted);
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .13em;
  line-height: 1.4;
  text-transform: uppercase;
}

.teaching-header .teaching-eyebrow {
  margin-bottom: 18px;
}

.teaching-page h2 {
  font: 500 clamp(1.85rem, 3vw, 2.55rem)/1.08 Georgia, "Times New Roman", serif;
  letter-spacing: -.025em;
  margin: 0;
}

.teaching-overview {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(300px, .65fr);
  gap: 54px;
  padding: 58px 0;
  border-bottom: 1px solid var(--line);
}

.teaching-overview-copy {
  padding: 10px 0;
}

.teaching-overview-copy > p:not(.teaching-section-label) {
  max-width: 720px;
  margin: 16px 0 0;
  color: #3f4a5d;
  font-size: 1.08rem;
  line-height: 1.65;
}

.teaching-overview-copy > h2 + p {
  margin-top: 22px;
}

.student-projects {
  padding: 28px 30px 30px;
  background: var(--soft);
  border-top: 3px solid var(--navy);
}

.student-projects h2 {
  font-size: clamp(1.65rem, 2.5vw, 2.1rem);
}

.student-projects > p:not(.teaching-section-label) {
  margin: 17px 0 0;
  color: #3f4a5d;
  font-size: .96rem;
  line-height: 1.62;
}

.project-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px;
  margin-top: 24px;
}

.teaching-button {
  display: inline-block;
  padding: 10px 15px;
  color: #fff;
  background: var(--navy);
  border-radius: 3px;
  font-size: .87rem;
  font-weight: 700;
  text-decoration: none;
}

.teaching-button:hover {
  background: #0f2854;
}

.teaching-text-link {
  color: var(--navy);
  font-size: .87rem;
  font-weight: 700;
  text-decoration: none;
}

.teaching-text-link:hover {
  color: var(--accent);
}

.current-teaching {
  display: grid;
  grid-template-columns: minmax(250px, .65fr) minmax(0, 1.35fr);
  gap: 54px;
  padding: 54px 0;
  border-bottom: 1px solid var(--line);
}

.current-course {
  padding: 25px 28px 27px;
  background: #fff;
  border: 1px solid var(--line);
  border-left: 4px solid var(--accent);
  border-radius: 3px;
}

.current-course p {
  margin: 0 0 9px;
  color: var(--muted);
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .11em;
  text-transform: uppercase;
}

.current-course h3 {
  margin: 0;
  color: var(--ink);
  font: 500 clamp(1.45rem, 2.5vw, 2rem)/1.25 Georgia, "Times New Roman", serif;
}

.current-course h3 a {
  color: inherit;
  text-decoration: none;
}

.current-course h3 a:hover {
  color: var(--accent);
}

.current-course-link {
  display: inline-block;
  margin-top: 16px;
  color: var(--navy);
  font-size: .82rem;
  font-weight: 700;
  text-decoration: none;
}

.current-course-link:hover {
  color: var(--accent);
}

.upcoming-teaching {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: minmax(250px, .65fr) minmax(0, 1.35fr);
  gap: 54px;
  margin-top: 4px;
  padding-top: 34px;
  border-top: 1px solid var(--line);
}

.upcoming-courses {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 15px;
}

.upcoming-course {
  padding: 22px 24px 24px;
  background: var(--soft);
  border: 1px solid var(--line);
  border-radius: 3px;
}

.upcoming-course p {
  margin: 0 0 9px;
  color: var(--muted);
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.upcoming-course h3 {
  margin: 0;
  color: var(--ink);
  font: 500 1.35rem/1.3 Georgia, "Times New Roman", serif;
}

.teaching-resources {
  padding: 54px 0 58px;
  border-bottom: 1px solid var(--line);
}

.resources-heading {
  display: grid;
  grid-template-columns: minmax(180px, .4fr) minmax(0, 1.6fr);
  gap: 40px;
  align-items: end;
  margin-bottom: 28px;
}

.resource-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 15px;
}

.resource-card {
  display: flex;
  flex-direction: column;
  min-height: 170px;
  padding: 22px 23px;
  color: var(--ink);
  background: var(--soft);
  border: 1px solid var(--line);
  border-radius: 3px;
  text-decoration: none;
  transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease;
}

.resource-card:hover {
  transform: translateY(-2px);
  border-color: #c9d0db;
  box-shadow: 0 8px 24px rgba(20, 35, 60, .07);
}

.resource-card span {
  color: var(--muted);
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .11em;
  text-transform: uppercase;
}

.resource-card strong {
  margin-top: 12px;
  font: 500 1.25rem/1.3 Georgia, "Times New Roman", serif;
}

.resource-card em {
  margin-top: auto;
  padding-top: 22px;
  color: var(--navy);
  font-size: .82rem;
  font-style: normal;
  font-weight: 700;
}

.notes-grid .resource-card:last-child:nth-child(3n + 1) {
  grid-column: 2;
}

.recorded-heading {
  display: grid;
  grid-template-columns: minmax(180px, .4fr) minmax(0, 1.6fr);
  gap: 40px;
  align-items: end;
  margin: 42px 0 20px;
  padding-top: 38px;
  border-top: 1px solid var(--line);
}

.recorded-heading h3 {
  margin: 0;
  color: var(--ink);
  font: 500 clamp(1.45rem, 2.5vw, 1.9rem)/1.2 Georgia, "Times New Roman", serif;
  letter-spacing: -.02em;
}

.recorded-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.course-archive {
  padding: 56px 0 0;
}

.archive-heading {
  display: grid;
  grid-template-columns: minmax(180px, .4fr) minmax(0, 1.6fr);
  gap: 0 40px;
  margin-bottom: 38px;
}

.archive-heading .teaching-section-label {
  grid-row: 1 / span 2;
}

.archive-heading > p:last-child {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: .94rem;
}

.archive-university {
  margin: 44px 0 15px;
  color: var(--navy);
  font: 600 .78rem/1.4 Arial, Helvetica, sans-serif;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.archive-university:first-of-type {
  margin-top: 0;
}

.course-archive details {
  max-width: 100%;
  padding: 0;
  border-top: 1px solid var(--line);
  border-bottom: 0;
}

.course-archive details:last-of-type {
  border-bottom: 1px solid var(--line);
}

.course-archive summary {
  position: relative;
  padding: 18px 48px 18px 2px;
  color: var(--ink);
  cursor: pointer;
  list-style: none;
  font: 500 1.07rem/1.45 Georgia, "Times New Roman", serif;
}

.course-archive summary::-webkit-details-marker {
  display: none;
}

.course-archive summary::after {
  content: "+";
  position: absolute;
  top: 20px;
  right: 6px;
  color: var(--accent);
  font: 400 1.25rem/1 Arial, Helvetica, sans-serif;
}

.course-archive details[open] summary::after {
  content: "−";
}

.course-archive summary:hover {
  color: var(--accent);
}

.course-archive summary:focus-visible {
  outline: 2px solid var(--accent2);
  outline-offset: 3px;
}

.course-archive details > ul {
  margin: 0 0 18px;
  padding: 17px 20px 14px;
  background: var(--soft);
  border-left: 3px solid var(--navy);
}

.course-archive details > ul p {
  margin-top: 0;
  line-height: 1.65;
}

@media (max-width: 800px) {
  .teaching-overview,
  .current-teaching,
  .upcoming-teaching {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .upcoming-courses {
    grid-template-columns: 1fr;
  }

  .resources-heading,
  .recorded-heading,
  .archive-heading {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .archive-heading .teaching-section-label {
    grid-row: auto;
  }

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

  .notes-grid .resource-card:last-child:nth-child(3n + 1) {
    grid-column: auto;
  }

  .resource-card {
    min-height: 145px;
  }
}

@media (max-width: 560px) {
  .teaching-overview,
  .current-teaching,
  .teaching-resources,
  .course-archive {
    padding-top: 42px;
    padding-bottom: 42px;
  }

  .student-projects {
    padding: 24px 22px 26px;
  }
}