:root {
  --primary-color: #0078d4;
  --secondary-color: #2b2b2b;
  --text-color: #333;
  --light-bg: #f5f5f5;
  --white: #ffffff;
  --shadow: 0 2px 15px rgba(0, 0, 0, 0.1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  line-height: 1.6;
  color: var(--text-color);
  background-color: var(--white);
}

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

/* Navigation */
#navbar {
  position: fixed;
  top: 0;
  width: 100%;
  background-color: var(--white);
  box-shadow: var(--shadow);
  z-index: 1000;
}

#navbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
}

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

.nav-links {
  display: flex;
  list-style: none;
  gap: 2rem;
}

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

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

/* Hero Section */
.hero {
  padding: 8rem 0 4rem;
  background: linear-gradient(135deg, var(--primary-color), #005a9e);
  color: var(--white);
  text-align: center;
}

.hero h1 {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.hero p {
  font-size: 1.2rem;
  margin-bottom: 2rem;
}

/* Services Section */
.services {
  padding: 5rem 0;
  background-color: var(--light-bg);
}

.services h2 {
  text-align: center;
  margin-bottom: 3rem;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.service-card {
  background: var(--white);
  padding: 2rem;
  border-radius: 8px;
  box-shadow: var(--shadow);
  text-align: center;
  transition: transform 0.3s ease;
}

.service-card:hover {
  transform: translateY(-5px);
}

.service-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

/* About Section */
.about {
  padding: 5rem 0;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.feature {
  text-align: center;
  padding: 2rem;
}

/* Contact Section */
.contact {
  padding: 5rem 0;
  background-color: var(--light-bg);
}

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

.form-group {
  margin-bottom: 1.5rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.8rem;
  border: 1px solid #ddd;
  border-radius: 4px;
  font-size: 1rem;
}

.form-group textarea {
  height: 150px;
  resize: vertical;
}

/* Buttons */
.cta-button,
.submit-button {
  display: inline-block;
  padding: 1rem 2rem;
  background-color: var(--primary-color);
  color: var(--white);
  text-decoration: none;
  border-radius: 4px;
  border: none;
  font-size: 1rem;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

.cta-button:hover,
.submit-button:hover {
  background-color: #005a9e;
}

/* Footer */
footer {
  background-color: var(--secondary-color);
  color: var(--white);
  text-align: center;
  padding: 2rem 0;
}

/* Responsive Design */
@media (max-width: 768px) {
  .nav-links {
    display: none;
  }
  
  .hero h1 {
    font-size: 2rem;
  }
  
  .services-grid,
  .features-grid {
    grid-template-columns: 1fr;
  }
}