.page-header {
  text-align: center;
  padding: 3rem 2rem 2rem;
  margin-bottom: 4rem;
}

.page-header h1 {
  font-size: 3.5rem;
  color: #ffffff;
  font-weight: 800;
  margin-bottom: 0.8rem;
  letter-spacing: 0.5px;
}

.header-subtitle {
  font-size: 1.2rem;
  color: #ddd;
  font-weight: 300;
  max-width: 600px;
  margin: 0 auto;
}

.exhibitions-content h1 {
  margin-top: 2rem;
  margin-bottom: 5rem;
  font-size: 4rem;
  text-align: center;
  color: #1a1a1a;
  font-weight: 800;
  letter-spacing: 1px;
  position: relative;
  padding-bottom: 1.5rem;
}

.exhibitions-content h1::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 120px;
  height: 5px;
  background: linear-gradient(90deg, #45a049, #2ecc71);
  border-radius: 3px;
}

.exhibitions-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6rem;
  padding: 2rem 8rem;
}

.exhibitions-section section {
  width: 100%;
  margin-bottom: 2rem;
}

/* Modern card with image overlay */
.frame1,
.frame2,
.frame3,
.frame4,
.frame5 {
  position: relative;
  width: 100%;
  min-height: 450px;
  background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
  margin: 0;
  border-radius: 20px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
  overflow: hidden;
  transition: all 0.4s ease;
  padding: 3rem;
}

.frame1:hover,
.frame2:hover,
.frame3:hover,
.frame4:hover,
.frame5:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

/* Image styling with modern overlapping effect */
.img1 {
  position: absolute;
  width: 500px;
  height: 300px;
  right: -20px;
  top: -20px;
  object-fit: cover;
  border-radius: 20px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
  transition: transform 0.4s ease;
}

.frame1:hover .img1 {
  transform: scale(1.05) translateY(-5px);
}

.frame1 .cosmology-explore {
  position: relative;
  max-width: 55%;
  padding: 2rem 0;
  color: #333;
  font-size: 1.1rem;
  line-height: 1.9;
}

h2 {
  font-size: 2.5rem !important;
  color: #1a1a1a;
  margin-bottom: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.5px;
}

/* Frame 2 - Evolution with grid layout */
.frame2 {
  min-height: 500px;
}

.frame2 .flexcontainer {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 3rem;
  align-items: center;
  margin: 0;
  width: 100%;
  padding: 1rem 0;
}

.imgSkeleton {
  width: 100%;
  max-width: 400px;
  height: auto;
  border-radius: 15px;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
  transition: transform 0.4s ease;
  position: relative;
  top: 0;
  left: 0;
}

.frame2:hover .imgSkeleton {
  transform: rotate(2deg) scale(1.05);
}

/* Frame 3 - Biology with dual images */
.frame3 {
  min-height: 550px;
}

.frame3 .flexcontainer {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 3rem;
  align-items: start;
  margin: 0;
  width: 100%;
  padding: 1rem 0;
}

.img3 {
  width: 100%;
  max-width: 350px;
  height: auto;
  border-radius: 15px;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
  margin-bottom: 1.5rem;
  transition: transform 0.4s ease;
  position: relative;
  top: 0;
  left: 0;
}

.img3:hover {
  transform: scale(1.05);
}

/* Frame 4 - Robotics with circular image */
.frame4 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  min-height: 400px;
}

.ellipse {
  width: 100%;
  max-width: 400px;
  height: auto;
  border-radius: 50%;
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
  transition: transform 0.4s ease;
  position: relative;
  top: 0;
  left: 0;
  justify-self: end;
}

.frame4:hover .ellipse {
  transform: rotate(5deg) scale(1.08);
}

.robotics-and-AI-the {
  position: relative;
  width: 100%;
  top: 0;
  left: 0;
  color: #333;
  font-size: 1.1rem;
  line-height: 1.9;
}

/* Frame 5 - Ecology with positioned image */
.frame5 {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 3rem;
  align-items: center;
  min-height: 450px;
  margin-bottom: 4rem;
}

.ecology {
  position: relative;
  width: 100%;
  top: 0;
  left: 0;
  color: #333;
  font-size: 1.1rem;
  line-height: 1.9;
}

.imgAnt {
  width: 100%;
  max-width: 400px;
  height: auto;
  border-radius: 15px;
  box-shadow: 0 10px 35px rgba(0, 0, 0, 0.2);
  transition: transform 0.4s ease;
  position: relative;
  top: 0;
  left: 0;
  justify-self: center;
}

.frame5:hover .imgAnt {
  transform: scale(1.08);
}

/* Text styling */
.frame1 p,
.frame2 p,
.frame3 p,
.frame4 p,
.frame5 p {
  color: #333;
  font-size: 1.1rem;
  line-height: 1.9;
  margin-bottom: 1rem;
  font-weight: 400;
}

@media (max-width: 768px) {
  .exhibitions-section {
    padding: 2rem 1rem;
    gap: 3rem;
  }

  .page-header h1 {
    font-size: 2.5rem;
  }

  .header-subtitle {
    font-size: 1rem;
  }

  h2 {
    font-size: 2rem !important;
  }

  .frame1,
  .frame2,
  .frame3,
  .frame4,
  .frame5 {
    padding: 2rem;
  }

  .frame2 .flexcontainer,
  .frame3 .flexcontainer {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .frame4 {
    grid-template-columns: 1fr;
  }

  .frame5 {
    grid-template-columns: 1fr;
  }

  .img1 {
    position: relative;
    width: 100%;
    height: 200px;
    right: 0;
    top: 0;
    margin-bottom: 1rem;
  }

  .frame1 .cosmology-explore {
    max-width: 100%;
  }

  .imgSkeleton,
  .img3,
  .ellipse,
  .imgAnt {
    max-width: 100%;
  }
}