* {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
    }

    body {
        font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        line-height: 1.6;
        color: #333;
        background-color: #ffffff;
    }

.container {
  max-width: 1200px;
  margin: 0 auto;
}

.hero-header {
  text-align: center;
  margin-bottom: 60px;
  animation: fadeInDown 0.8s ease-out;
  background: white;
  padding: 40px;
  border-radius: 15px;
  box-shadow: 0 2px 20px rgba(0,0,0,0.08);
}

.hero-header h1 {
  color: #2d3748;
  font-size: 2.5rem;
  margin-bottom: 10px;
}

.hero-header p {
  color: #718096;
  font-size: 1.1rem;
}

.section {
  background: white;
  border-radius: 15px;
  padding: 40px;
  margin-bottom: 40px;
  box-shadow: 0 2px 20px rgba(0,0,0,0.08);
  animation: fadeInUp 0.8s ease-out;
}

.section-header {
  display: flex;
  align-items: center;
  margin-bottom: 30px;
  padding-bottom: 20px;
  border-bottom: 3px solid #4299e1;
}

.section-icon {
  font-size: 3rem;
  margin-right: 20px;
}

.section-title {
  font-size: 2.5rem;
  color: #2d3748;
  font-weight: 700;
}

.aim-text {
  font-size: 1.1rem;
  line-height: 1.8;
  color: #4a5568;
  text-align: justify;
}

.aim-text strong {
  color: #2d3748;
  font-weight: 600;
}

.scope-intro {
  font-size: 1.1rem;
  line-height: 1.8;
  color: #4a5568;
  margin-bottom: 40px;
}

.fields-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 30px;
}

.field-card {
  background: white;
  border-radius: 15px;
  padding: 30px;
  border: 2px solid #e2e8f0;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.field-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 5px;
  background: #4299e1;
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.field-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0,0,0,0.15);
  border-color: #4299e1;
}

.field-card:hover::before {
  transform: scaleX(1);
}

.field-title {
  font-size: 1.4rem;
  color: #2d3748;
  margin-bottom: 20px;
  font-weight: 600;
}

.topics-container {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.topic-tag {
  background: #4299e1;
  color: white;
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 500;
  transition: all 0.3s ease;
  cursor: default;
}

.topic-tag:hover {
  transform: scale(1.05);
  background: #3182ce;
  box-shadow: 0 5px 15px rgba(66, 153, 225, 0.3);
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 768px) {
  .hero-header h1 {
    font-size: 1.8rem;
  }

  .section {
    padding: 25px;
  }

  .section-title {
    font-size: 2rem;
  }

  .section-icon {
    font-size: 2rem;
  }

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