.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 20px;
}

.hero-description {
  font-size: 1.25rem;
  max-width: 700px;
  margin: 0 auto 40px;
  font-weight: 400;
}

.hero-buttons .btn {
  margin: 0 10px;
}

.about-section {
  display: flex;
  align-items: center;
  gap: 60px;
  padding: 100px 20px;
  background-color: #fff;
}

.about-image {
  flex: 1;
}

.about-image img {
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
}

.about-content {
  flex: 1;
}

.section-title {
  font-size: 2.8rem;
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--dark-blue);
}

.features {
  margin-top: 30px;
}

.feature-item {
  font-size: 1.1rem;
  margin-bottom: 10px;
  font-weight: 500;
}

.semesters-section {
  padding: 100px 0;
  background-color: var(--off-white);
}

.semesters-section .section-title {
  text-align: center;
}

.semesters-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  margin-top: 50px;
}

.semesters-grid > a {
  all: unset;
  cursor: pointer;
  display: flex;
}

.semester-card {
  background-color: #fff;
  padding: 30px;
  border-radius: var(--border-radius);
  text-align: center;
  border: 1px solid var(--light-gray);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.semester-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow);
  border-color: var(--primary-color);
}

.semester-card img {
  object-fit: contain;
  margin-bottom: 20px;
}

.semester-card h3 {
  font-size: 1.4rem;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--dark-blue);
}

.semester-card p {
  font-size: 0.9rem;
  color: #666;
  line-height: 1.5;
}

@media (max-width: 992px) {
  .section-title {
    font-size: 2.4rem;
  }
  .hero-title {
    font-size: 2.8rem;
  }
  .about-section {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 768px) {
  .hero-buttons {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
  }
}
.hero-section {
  background: radial-gradient(circle at center, #154254 0%, #174559 50%, #0c3a59 100%);
  color: #fff;
  padding: 120px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}