:root {
  --primary-color: #213547;
  --secondary-color: #646cff;
  --background-color: #ffffff;
  --text-color: #213547;
  --border-color: #e5e7eb;
}

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

body {
  font-family: Inter, system-ui, Avenir, Helvetica, Arial, sans-serif;
  line-height: 1.5;
  color: var(--text-color);
  background-color: var(--background-color);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem;
}

.header {
  text-align: center;
  margin-bottom: 2rem;
}

.header-logo {
  max-width: 100%;
  height: auto;
}

.section {
  margin-bottom: 3rem;
  padding: 2rem;
  border-radius: 8px;
  background-color: #f9fafb;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.section-title {
  color: var(--primary-color);
  font-size: 2rem;
  margin-bottom: 1.5rem;
  border-bottom: 2px solid var(--secondary-color);
  padding-bottom: 0.5rem;
}

.expertise-area {
  margin-bottom: 1.5rem;
}

.expertise-area h3 {
  color: var(--primary-color);
  margin-bottom: 1rem;
}

ul, ol {
  padding-left: 2rem;
  margin-bottom: 1rem;
}

li {
  margin-bottom: 0.5rem;
}

a {
  color: var(--secondary-color);
  text-decoration: none;
  transition: color 0.3s ease;
}

a:hover {
  color: #535bf2;
}

.contact-list {
  display: grid;
  gap: 1rem;
}

.contact-list dt {
  font-weight: bold;
  color: var(--primary-color);
}

.contact-list dd {
  margin-left: 1rem;
}

.footer {
  text-align: center;
  padding: 2rem;
  border-top: 1px solid var(--border-color);
  margin-top: 3rem;
  font-size: 0.875rem;
  color: #666;
}

@media (max-width: 768px) {
  .container {
    padding: 1rem;
  }
  
  .section {
    padding: 1rem;
  }
  
  .section-title {
    font-size: 1.5rem;
  }
}