:root {
  --primary: #0A2342;
  --primary-dark: #06182f;
  --accent: #006994;
  --accent-hover: #004f6e;
  --bg-primary: #F5F5F5;
  --bg-secondary: #8DB9CA;
  --bg-card: #ffffff;
  --text-primary: #333333;
  --text-secondary: #555555;
  --border-color: #8DB9CA;
  --font-heading: 'Montserrat', sans-serif;
  --font-body: 'Open Sans', sans-serif;
  --type-display: clamp(3rem, 10vw, 12rem);
  --type-hero: clamp(2.5rem, 6vw, 4rem);
  --type-h1: clamp(2rem, 5vw, 3rem);
  --type-h2: clamp(1.5rem, 4vw, 2.5rem);
  --type-h3: clamp(1.25rem, 3vw, 2rem);
  --type-body: 18px;
  --type-caption: 14px;
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 8rem;
  --shadow-soft: 0 4px 20px rgba(10, 35, 66, 0.1);
  --shadow-medium: 0 8px 32px rgba(10, 35, 66, 0.15);
  --shadow-strong: 0 12px 40px rgba(10, 35, 66, 0.2);
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  line-height: 1.7;
}

body {
  font-family: var(--font-body);
  font-size: var(--type-body);
  color: var(--text-primary);
  background-color: var(--bg-primary);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: var(--space-sm);
  color: var(--primary);
}

h1 {
  font-size: var(--type-h1);
  font-weight: 700;
  letter-spacing: -0.02em;
}

h2 {
  font-size: var(--type-h2);
  font-weight: 600;
}

h3 {
  font-size: var(--type-h3);
  font-weight: 600;
}

p {
  margin-bottom: var(--space-sm);
  font-size: var(--type-body);
  line-height: 1.7;
  color: var(--text-primary);
}

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

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

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

ul, ol {
  margin-left: var(--space-md);
  margin-bottom: var(--space-sm);
}

li {
  margin-bottom: var(--space-xs);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.container-wide {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.container-narrow {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.section-padding {
  padding: var(--space-xl) 0;
}

.section-padding-sm {
  padding: var(--space-lg) 0;
}

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

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

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

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--space-xs); }
.mb-2 { margin-bottom: var(--space-sm); }
.mb-3 { margin-bottom: var(--space-md); }
.mb-4 { margin-bottom: var(--space-lg); }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--space-xs); }
.mt-2 { margin-top: var(--space-sm); }
.mt-3 { margin-top: var(--space-md); }
.mt-4 { margin-top: var(--space-lg); }

.grid {
  display: grid;
  gap: var(--space-md);
}

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

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.grid-4 {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.flex {
  display: flex;
}

.flex-column {
  flex-direction: column;
}

.flex-center {
  align-items: center;
  justify-content: center;
}

.flex-between {
  justify-content: space-between;
}

.flex-wrap {
  flex-wrap: wrap;
}

.hidden {
  display: none;
}

.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.6s ease;
}

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

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

@media (max-width: 768px) {
  :root {
    --space-xl: 4rem;
    --space-lg: 2rem;
    --type-body: 16px;
  }
  
  .container {
    padding: 0 var(--space-sm);
  }
  
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  :root {
    --space-xl: 3rem;
    --space-lg: 1.5rem;
    --type-body: 15px;
  }
}