:root {
  --primary: #2C5C7F;
  --primary-dark: #1a3446;
  --accent: #4A90E2;
  --accent-hover: #357abd;
  --bg-primary: #E8F1F5;
  --bg-secondary: #F5F5F5;
  --bg-card: #fff;
  --text-primary: #2C5C7F;
  --text-secondary: #555;
  --border-color: #4A90E2;
  --success-color: #2E7D32;
  --font-heading: 'Montserrat', sans-serif;
  --font-body: 'Open Sans', sans-serif;
}

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

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

body {
  font-family: var(--font-body);
  font-size: 18px;
  line-height: 1.7;
  color: var(--text-secondary);
  background-color: #fff;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1rem;
  line-height: 1.2;
}

h1 {
  font-size: 44px;
  margin-bottom: 1.5rem;
}

h2 {
  font-size: 36px;
  margin-bottom: 1.25rem;
}

h3 {
  font-size: 28px;
  margin-bottom: 1rem;
}

h4 {
  font-size: 24px;
  margin-bottom: 0.75rem;
}

h5 {
  font-size: 20px;
  margin-bottom: 0.5rem;
}

h6 {
  font-size: 18px;
  margin-bottom: 0.5rem;
}

p {
  margin-bottom: 1rem;
  color: var(--text-secondary);
}

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

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

img {
  max-width: 100%;
  height: auto;
  display: block;
}

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

.row {
  display: flex;
  flex-wrap: wrap;
  margin: 0 -15px;
}

.col {
  padding: 0 15px;
  flex: 1;
}

.col-6 {
  flex: 0 0 50%;
  max-width: 50%;
}

.col-4 {
  flex: 0 0 33.333333%;
  max-width: 33.333333%;
}

.col-3 {
  flex: 0 0 25%;
  max-width: 25%;
}

.text-center {
  text-align: center;
}

.text-left {
  text-align: left;
}

.text-right {
  text-align: right;
}

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.mb-4 { margin-bottom: 32px; }
.mb-5 { margin-bottom: 40px; }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 32px; }
.mt-5 { margin-top: 40px; }

.py-5 { padding: 40px 0; }
.py-6 { padding: 48px 0; }
.py-7 { padding: 56px 0; }
.py-8 { padding: 64px 0; }

.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 768px) {
  .container {
    padding: 0 15px;
  }
  
  .col-6, .col-4, .col-3 {
    flex: 0 0 100%;
    max-width: 100%;
  }
  
  h1 {
    font-size: 32px;
  }
  
  h2 {
    font-size: 28px;
  }
  
  h3 {
    font-size: 24px;
  }
  
  body {
    font-size: 16px;
  }
}