/* Base Styles */
:root {
  --primary-color: #0066cc;
  --secondary-color: #001f3f;
  --accent-color: #4d94ff;
  --light-color: #f8f9fa;
  --dark-color: #212529;
  --text-color: #333;
  --gray-color: #6c757d;
  --success-color: #28a745;
  --font-main: 'Inter', sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-main);
  line-height: 1.6;
  color: var(--text-color);
  background-color: #ffffff;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

section {
  padding: 80px 0;
}

h1, h2, h3, h4 {
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: 1rem;
}

p {
  margin-bottom: 1rem;
}

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

a:hover {
  color: var(--accent-color);
}

.btn {
  display: inline-block;
  background-color: var(--primary-color);
  color: white;
  padding: 12px 24px;
  border-radius: 4px;
  font-weight: 500;
  transition: all 0.3s ease;
}

.btn:hover {
  background-color: var(--secondary-color);
  color: white;
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

/* Header Styles */
header {
  background-color: white;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  position: sticky;
  top: 0;
  z-index: 1000;
}

header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px;
}

.logo h1 {
  font-size: 1.5rem;
  margin: 0;
  color: var(--secondary-color);
}

nav ul {
  display: flex;
  list-style: none;
}

nav ul li {
  margin-left: 25px;
}

nav ul li a {
  color: var(--dark-color);
  font-weight: 500;
}

nav ul li a:hover {
  color: var(--primary-color);
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
  color: white;
  text-align: center;
  padding: 120px 0;
}

.hero h2 {
  font-size: 2.5rem;
  margin-bottom: 20px;
}

.hero p {
  font-size: 1.2rem;
  margin-bottom: 30px;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

/* About Section */
.about-content {
  display: flex;
  align-items: center;
  gap: 40px;
}

.about h2, .services h2, .expertise h2, .contact h2 {
  text-align: center;
  margin-bottom: 40px;
  color: var(--secondary-color);
}

/* Services Section */
.services {
  background-color: var(--light-color);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
}

.service-card {
  background-color: #fff;
  border-radius: 8px;
  padding: 30px;
  text-align: center;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
  transition: all 0.3s ease;
}

.service-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.service-card i {
  font-size: 2.5rem;
  color: var(--primary-color);
  margin-bottom: 15px;
}

.service-card h3 {
  font-size: 1.2rem;
  margin-bottom: 15px;
}

/* Expertise Section */
.expertise-content {
  max-width: 800px;
  margin: 0 auto;
}

.expertise-content ul {
  list-style-type: none;
  padding: 0;
}

.expertise-content ul li {
  padding: 12px 20px;
  margin-bottom: 10px;
  background-color: #fff;
  border-left: 4px solid var(--primary-color);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.05);
  border-radius: 0 4px 4px 0;
}

/* Contact Section */
.contact {
  background-color: var(--light-color);
}

.contact-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

.contact-info h3 {
  margin-bottom: 20px;
}

.contact-details {
  margin-top: 30px;
}

.contact-item {
  display: flex;
  align-items: center;
  margin-bottom: 15px;
}

.contact-item i {
  font-size: 1.2rem;
  color: var(--primary-color);
  margin-right: 15px;
  width: 20px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 500;
}

.form-group input, .form-group textarea {
  width: 100%;
  padding: 12px 15px;
  border: 1px solid #ddd;
  border-radius: 4px;
  font-family: var(--font-main);
  font-size: 1rem;
}

.form-group textarea {
  resize: vertical;
}

/* Footer */
footer {
  background-color: var(--secondary-color);
  color: white;
  padding: 30px 0;
  text-align: center;
}

footer .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.social-links a {
  color: white;
  margin: 0 10px;
  font-size: 1.2rem;
  transition: all 0.3s ease;
}

.social-links a:hover {
  color: var(--accent-color);
}

/* Responsive Design */
@media (max-width: 768px) {
  header .container {
    flex-direction: column;
  }
  
  nav ul {
    margin-top: 20px;
  }
  
  nav ul li {
    margin: 0 10px;
  }
  
  .contact-container {
    grid-template-columns: 1fr;
  }
  
  .about-content {
    flex-direction: column;
  }
  
  .hero h2 {
    font-size: 2rem;
  }
  
  .hero p {
    font-size: 1rem;
  }
  
  section {
    padding: 60px 0;
  }
  
  footer .container {
    flex-direction: column;
  }
  
  footer p {
    margin-bottom: 20px;
  }
}

@media (max-width: 480px) {
  nav ul {
    flex-wrap: wrap;
    justify-content: center;
  }
  
  nav ul li {
    margin: 5px 10px;
  }
  
  .service-card {
    padding: 20px;
  }
  
  .hero {
    padding: 80px 0;
  }
  
  .hero h2 {
    font-size: 1.8rem;
  }
}