/* Home page sections: research, software, teaching */

.home-sections {
  max-width: 1240px;
  margin: 3rem auto 4rem;
  padding: 0 1.25rem;
  font-family: "Roboto";
}

.home-section {
  margin-bottom: 3.5rem;
}

.home-section-header {
  margin: 0 0 1.1rem;
  font-family: "Roboto";
  font-size: 1.35rem;
  font-weight: 700;
  text-align: left;
  letter-spacing: -0.01em;
}

.card-grid {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem 1.75rem;
  margin: 0;
  padding: 0;
}

.card {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.card-thumb {
  display: block;
  width: 100%;
  aspect-ratio: 1.75 / 1;
  object-fit: cover;
  max-height: none;
  margin-bottom: 0.7rem;
  border: 1px solid #e3e3e3;
  border-radius: 6px;
  background: #fafafa;
  transition: transform 0.3s ease-in-out, box-shadow 0.3s ease-in-out;
}

.card:hover .card-thumb {
  transform: scale(1.015);
  box-shadow: 2px 2px 10px rgba(0, 0, 0, 0.18);
}

.thumb-top {
  object-position: top center;
}

.thumb-contain {
  object-fit: contain;
  padding: 0.35rem;
  background: white;
}

a.card-thumb-link {
  background-image: none;
}

/* text title-cards for items without a screenshot */
.card-cover {
  box-sizing: border-box;
  display: flex;
  align-items: flex-end;
  padding: 1rem;
  font-weight: 900;
  font-size: clamp(1.3rem, 2vw, 1.7rem);
  letter-spacing: -0.04em;
  line-height: 0.95;
  text-align: left;
}


.card-title {
  margin: 0 0 0.2rem;
  font-size: 0.9rem;
  font-weight: 700;
  line-height: 1.3;
  color: black;
}

.card-title a {
  background-image: none;
  font-weight: 700;
}

.card-title a:hover {
  background-image: linear-gradient(120deg, #98ff98 0%, #98ff98 100%);
}

.card-authors,
.card-venue,
.card-desc {
  margin: 0 0 0.2rem;
  max-width: none;
  font-size: 12.5px;
  line-height: 1.45;
  color: #222;
}

.card-authors .me {
  text-decoration: underline;
  text-underline-offset: 3px;
  font-weight: 400;
}

.card-authors .more {
  color: #888;
}

.card-venue {
  font-style: italic;
  color: #444;
}

.card-desc {
  color: #333;
}

.card-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.35rem;
}

.card-links a {
  display: inline-block;
  padding: 0.2rem 0.5rem;
  border: 1px solid #222;
  border-radius: 3px;
  background-image: none;
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  transition: background-color 0.2s ease-in, color 0.2s ease-in;
}

.card-links a:hover {
  background-color: #98ff98;
}

.card-stat {
  display: inline-block;
  margin-left: 0.35rem;
  padding: 0.1rem 0.4rem;
  border-radius: 999px;
  background: #eaffea;
  color: #205b20;
  font-size: 10px;
  font-weight: 700;
  vertical-align: middle;
  white-space: nowrap;
}

@media (max-width: 1100px) {
  .card-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.75rem 1.5rem;
  }
}

@media (max-width: 820px) {
  .card-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 520px) {
  .card-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 740px) {
  .home-sections {
    padding: 0 1rem;
  }

  .home-section-header {
    font-size: 1.2rem;
  }

  .card-grid {
    gap: 1.25rem 0.9rem;
  }

  .card-cover {
    font-size: 1.7rem;
  }
}