/* Base Styles */
:root {
  --primary: #0056b3;
  --secondary: #00a3e0;
  --accent: #ff6b35;
  --dark: #1a1a2e;
  --light: #f8f9fa;
  --gray: #6c757d;
  --light-gray: #e9ecef;
  --success: #28a745;
  --warning: #ffc107;
  --danger: #dc3545;
  --transition: all 0.3s ease;
  --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
  --rounded: 8px;
  --rounded-full: 9999px;
  --container: 1200px;
  --header-height: 80px;
}

/* Reset and Base Styles */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
  line-height: 1.6;
  color: #333;
  background-color: #fff;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  transition: opacity 0.5s ease;
}

body.loaded {
  opacity: 1;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
  color: var(--white);
}

h1 {
  font-size: 3.5rem;
  margin-bottom: 1.5rem;
}

h2 {
  font-size: 2.5rem;
  margin-bottom: 1.25rem;
}

h3 {
  font-size: 1.75rem;
}

p {
  margin-bottom: 1.5rem;
  color: var(--white);
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: var(--transition);
}

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

/* Layout */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: 6rem 0;
  position: relative;
}

.section-title {
  text-align: center;
  margin-bottom: 3rem;
}

.section-title .subtitle {
  display: inline-block;
  color: var(--primary);
  font-size: 1rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 1rem;
  position: relative;
  padding-left: 1.5rem;
}

.section-title .subtitle::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 1rem;
  height: 2px;
  background-color: var(--primary);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 2rem;
  border-radius: var(--rounded);
  font-weight: 500;
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  outline: none;
  white-space: nowrap;
  text-decoration: none;
}

.btn-primary {
  background-color: var(--primary);
  color: white;
  box-shadow: var(--shadow);
}

.btn-primary:hover {
  background-color: #004494;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-outline {
  background-color: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
}

.btn-outline:hover {
  background-color: var(--primary);
  color: white;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}