/* Research and Teaching landing pages.
   Extends the shared academic-site shell in site.css without depending on
   the separate course-site SCSS/main.css system. */

.landing-header {
  padding: 5rem 0 4rem;
  border-bottom: 1px solid var(--rule, #d9d4cc);
}

.landing-header-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 4rem;
  align-items: start;
}

.landing-header h1 {
  margin: 0;
  font-size: clamp(3.25rem, 7vw, 6.5rem);
  line-height: 0.94;
  letter-spacing: -0.045em;
}

.landing-intro {
  max-width: 42rem;
  font-size: clamp(1.08rem, 1.5vw, 1.3rem);
  line-height: 1.65;
}

.landing-intro > :first-child {
  margin-top: 0;
}

.topic-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem 1.15rem;
  margin: 3.25rem 0 0;
  padding: 0;
  list-style: none;
  max-width: 64rem;
}

.topic-list li {
  position: relative;
  font-size: 0.92rem;
  line-height: 1.4;
}

.topic-list li:not(:last-child)::after {
  content: "·";
  position: absolute;
  right: -0.72rem;
  opacity: 0.45;
}

.landing-section {
  display: grid;
  grid-template-columns: minmax(12rem, 0.34fr) minmax(0, 0.66fr);
  gap: 4rem;
  padding: 4.75rem 0;
  border-bottom: 1px solid var(--rule, #d9d4cc);
}

.landing-section:last-child {
  border-bottom: 0;
}

.landing-section-heading {
  align-self: start;
}

.landing-section-heading h2 {
  margin: 0.35rem 0 0;
  font-size: clamp(2rem, 3.3vw, 3.15rem);
  line-height: 1.03;
  letter-spacing: -0.025em;
}

.section-note {
  max-width: 18rem;
  margin-top: 1.1rem;
  font-size: 0.9rem;
  line-height: 1.55;
  opacity: 0.72;
}

.entry-list,
.course-list {
  min-width: 0;
}

.entry,
.course-entry {
  border-top: 1px solid var(--rule, #d9d4cc);
}

.entry:first-child,
.course-entry:first-child {
  border-top: 0;
  padding-top: 0;
}

.entry {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 1.5rem;
  padding: 1.6rem 0;
}

.publication-entry {
  grid-template-columns: 4.25rem minmax(0, 1fr);
}

.entry-date {
  padding-top: 0.18rem;
  font-size: 0.86rem;
  font-weight: 650;
  letter-spacing: 0.04em;
  font-variant-numeric: tabular-nums;
  opacity: 0.66;
}

.entry-title,
.course-title {
  margin: 0;
  font-size: clamp(1.15rem, 1.7vw, 1.42rem);
  line-height: 1.25;
  letter-spacing: -0.012em;
}

.entry-authors {
  margin: 0.48rem 0 0;
  font-size: 0.95rem;
  line-height: 1.5;
}

.entry-meta {
  margin: 0.35rem 0 0;
  font-size: 0.9rem;
  line-height: 1.5;
  opacity: 0.72;
}

.entry-links {
  align-self: start;
  white-space: nowrap;
}

.entry-links-inline {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-top: 0.7rem;
}

.course-entry {
  display: grid;
  grid-template-columns: minmax(7rem, 0.28fr) minmax(0, 0.72fr);
  gap: 2rem;
  padding: 2rem 0;
}

.course-code {
  margin: 0;
  font-size: 0.92rem;
  font-weight: 700;
  letter-spacing: 0.055em;
  text-transform: uppercase;
}

.course-term {
  margin: 0.35rem 0 0;
  font-size: 0.86rem;
  line-height: 1.4;
  opacity: 0.65;
}

.course-description {
  max-width: 42rem;
  margin: 0.65rem 0 0.9rem;
  line-height: 1.62;
}

.course-list-compact .course-entry {
  padding: 1.55rem 0;
}

.program-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.25rem 2.5rem;
}

.program-entry {
  padding-top: 1.4rem;
  border-top: 1px solid var(--rule, #d9d4cc);
}

.program-entry p {
  line-height: 1.6;
}

@media (max-width: 760px) {
  .landing-header {
    padding: 3.5rem 0 3rem;
  }

  .landing-header-grid,
  .landing-section {
    grid-template-columns: 1fr;
    gap: 1.75rem;
  }

  .landing-header-grid {
    gap: 1.5rem;
  }

  .landing-section {
    padding: 3.25rem 0;
  }

  .topic-list {
    margin-top: 2.25rem;
  }

  .publication-entry {
    grid-template-columns: 3.4rem minmax(0, 1fr);
  }

  .course-entry {
    grid-template-columns: 1fr;
    gap: 0.65rem;
  }

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

  .section-note {
    max-width: 34rem;
  }
}

@media (max-width: 520px) {
  .landing-header h1 {
    font-size: clamp(3rem, 16vw, 4.5rem);
  }

  .entry {
    grid-template-columns: 1fr;
    gap: 0.8rem;
  }

  .publication-entry {
    grid-template-columns: 1fr;
  }

  .entry-date {
    padding-top: 0;
  }

  .entry-links {
    white-space: normal;
  }
}

@media print {
  .landing-header {
    padding-top: 1.5rem;
  }

  .landing-section {
    display: block;
    padding: 2rem 0;
  }

  .landing-section-heading {
    margin-bottom: 1.25rem;
  }

  .entry,
  .course-entry,
  .program-entry {
    break-inside: avoid;
  }
}