/* Homepage and card styles for Cosmos in the Classroom */
.flexbox {
  display: flex;
  padding: 16px;
  flex-wrap: wrap;
  justify-content: center;
  gap: 3rem;
}
.card {
  margin: 0;
  padding: 16px 24px;
  text-align: justify;
  border: 2px solid #333;
  border-radius: 1rem;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
  min-width: 300px;
  background-color: #fff;
  transition: transform 0.3s, box-shadow 0.3s;
}
.unit-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}
.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
}
.card.honors {
  border-top: 4px solid #4285F4;
}
.card.standard {
  border-top: 4px solid #34A853;
}
.card.build-tools {
  border-top: 4px solid #FF6D01;
  background: linear-gradient(135deg, #fff8f3, #ffffff);
}
.card.build-tools h1 {
  background: linear-gradient(135deg, #FF6D01, #FF8E53);
  color: white;
  font-size: 1.3em;
}
.card h1 {
  font-size: 1.5em;
  text-align: center;
  margin: 0.5rem 0 1rem;
  padding: 0.75rem;
  border-radius: 0.5rem;
  background-color: var(--color-primary, #f0f0f0);
  color: #333;
}
.section-title {
  font-size: 1.2rem;
  font-weight: bold;
  color: #555;
  margin-top: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid #eaeaea;
}
.card ul {
  list-style-type: none;
  border-radius: 0.5rem;
  padding: 0.5rem;
  margin: 0.5rem 0;
}
.card ul li {
  margin: 0.75rem 0;
  padding: 0.5rem 0.75rem;
  border-radius: 0.5rem;
  background-color: #f8f8f8;
  transition: background-color 0.2s;
}
.card ul li:hover {
  background-color: #e8e8e8;
}
.card a {
  color: #2c6ba0;
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s;
}
.card a:hover {
  color: #1c4b70;
  text-decoration: underline;
}
.footer {
  text-align: center;
  padding: 2rem;
  margin-top: 3rem;
  color: #666;
  font-size: 0.9rem;
  border-top: 1px solid #eaeaea;
}

/* Unit Grid Styles */
.unit {
  padding: 1.25rem;
  border: 1px solid #ddd;
  border-radius: 0.75rem;
  background-color: #f9f9f9;
  transition: transform 0.2s, box-shadow 0.2s;
}

.unit:hover {
  transform: translateY(-5px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  background-color: #f0f4f8;
}

.unit h3 {
  margin-top: 0;
  margin-bottom: 0.75rem;
  font-size: 1.2rem;
}

.unit h3 a {
  color: #2c6ba0;
  text-decoration: none;
  transition: color 0.2s;
}

.unit h3 a:hover {
  color: #1c4b70;
  text-decoration: underline;
}

.unit p {
  margin: 0;
  color: #666;
  font-size: 0.95rem;
  line-height: 1.4;
}

/* Course card styles for homepage */
.course-card-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.course-card {
  border-left: 5px solid var(--course-color, #333);
  padding: 1.5rem;
  background-color: #f9f9f9;
  border-radius: 5px;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
  display: flex;
  flex-direction: column;
  transition: transform 0.2s, box-shadow 0.2s;
}

.course-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 10px rgba(0,0,0,0.15);
}

.course-card h3 {
  margin-top: 0;
  color: var(--course-color, #333);
  font-size: 1.4rem;
}

.course-card p {
  flex-grow: 1;
  margin: 0.5rem 0;
  line-height: 1.5;
}

.course-card .button {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  background-color: var(--course-color, #333);
  color: #fff;
  text-decoration: none;
  border-radius: 5px;
  text-align: center;
  margin-top: 1rem;
  transition: opacity 0.2s;
  font-weight: 500;
}

.course-card .button:hover {
  opacity: 0.9;
}

.lead {
  font-size: 1.25rem;
  color: #555;
  margin-bottom: 1.5rem;
  line-height: 1.4;
}