:root {
  --primary-color: #1B3B6F;
  --secondary-color: #065A82;
  --accent-color: #0C7B93;
  --text-color: #2C3E50;
  --light-gray: #f0f5f9;
  --white: #ffffff;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
}

body {
  line-height: 1.6;
  color: var(--text-color);
}

/* Navbar */
.navbar {
  background-color: var(--white);
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 1000;
}

.nav-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-color);
}

.nav-links a {
  color: var(--text-color);
  text-decoration: none;
  margin-left: 2rem;
  font-weight: 500;
  transition: color 0.3s ease;
}

.nav-links a:hover {
  color: var(--secondary-color);
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
  background-image: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 70%), 
                    radial-gradient(circle at top right, rgba(12, 123, 147, 0.3), transparent 50%);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 2rem;
}

.hero-content {
  max-width: 800px;
  color: var(--white);
}

.hero h1 {
  font-size: 3rem;
  margin-bottom: 1.5rem;
  line-height: 1.2;
}

.hero p {
  font-size: 1.25rem;
  margin-bottom: 2rem;
  opacity: 0.9;
}

.cta-button {
  display: inline-block;
  padding: 1rem 2rem;
  background-color: var(--accent-color);
  color: var(--white);
  text-decoration: none;
  border-radius: 5px;
  font-weight: 600;
  transition: transform 0.3s ease;
}

.cta-button:hover {
  transform: translateY(-2px);
}

/* Services Section */
.services {
  padding: 5rem 2rem;
  background-color: var(--light-gray);
}

.services h2 {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: 3rem;
  color: var(--primary-color);
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.service-card {
  background: var(--white);
  padding: 2rem;
  border-radius: 10px;
  text-align: center;
  transition: all 0.3s ease;
  box-shadow: 0 4px 6px rgba(0,0,0,0.1);
  border-bottom: 3px solid transparent;
}

.service-card:hover {
  transform: translateY(-5px);
  border-bottom: 3px solid var(--accent-color);
}

.service-card i {
  font-size: 2.5rem;
  color: var(--secondary-color);
  margin-bottom: 1rem;
}

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

/* About Section */
.about {
  padding: 5rem 2rem;
  background-color: var(--white);
}

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

.about h2 {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: 3rem;
  color: var(--primary-color);
}

.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.feature {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.feature i {
  color: var(--secondary-color);
  font-size: 1.5rem;
}

/* Contact Section */
.contact {
  padding: 5rem 2rem;
  background-color: var(--light-gray);
  text-align: center;
}

.contact h2 {
  font-size: 2.5rem;
  margin-bottom: 3rem;
  color: var(--primary-color);
}

.contact-content {
  max-width: 600px;
  margin: 0 auto;
}

.contact-info p {
  margin: 1rem 0;
  font-size: 1.1rem;
}

.contact-info i {
  color: var(--secondary-color);
  margin-right: 0.5rem;
}

/* Footer */
footer {
  background-color: var(--primary-color);
  color: var(--white);
  text-align: center;
  padding: 1.5rem;
}

/* Responsive Design */
@media screen and (max-width: 768px) {
  .hero h1 {
    font-size: 2.5rem;
  }
  
  .nav-content {
    flex-direction: column;
    gap: 1rem;
  }
  
  .nav-links a {
    margin: 0 1rem;
  }
  
  .service-grid {
    grid-template-columns: 1fr;
  }
  
  .features {
    grid-template-columns: 1fr;
  }
}