:root {
  --primary: #1B2A3F;
  --primary-dark: #0f1a2a;
  --accent: #D4A76A;
  --accent-hover: #c09654;
  --secondary: #3C6E71;
  --secondary-hover: #2d5356;
  --bg-primary: #F5F7FA;
  --bg-secondary: #ffffff;
  --bg-card: #ffffff;
  --text-primary: #2C3E50;
  --text-secondary: #555555;
  --border-color: rgba(44, 62, 80, 0.1);
  --shadow-light: 0 4px 20px rgba(27, 42, 63, 0.08);
  --shadow-medium: 0 8px 30px rgba(27, 42, 63, 0.15);
  --font-heading: 'Playfair Display', serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'Roboto Mono', monospace;
}

* {
  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-primary);
  background-color: var(--bg-primary);
  overflow-x: hidden;
}

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

h1 { font-size: 44px; }
h2 { font-size: 36px; }
h3 { font-size: 28px; }
h4 { font-size: 24px; }
h5 { font-size: 20px; }
h6 { font-size: 18px; }

p {
  margin-bottom: 1.5rem;
}

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

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

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

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

.container-wide {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 20px;
}

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

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

.col-half {
  width: 50%;
  padding: 0 15px;
}

.col-third {
  width: 33.333%;
  padding: 0 15px;
}

.col-quarter {
  width: 25%;
  padding: 0 15px;
}

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

.margin-bottom-small { margin-bottom: 16px; }
.margin-bottom-medium { margin-bottom: 32px; }
.margin-bottom-large { margin-bottom: 48px; }
.margin-bottom-xlarge { margin-bottom: 64px; }

.padding-section { padding: 80px 0; }
.padding-section-large { padding: 120px 0; }
.padding-section-small { padding: 60px 0; }

.bg-white { background-color: var(--bg-card); }
.bg-primary { background-color: var(--bg-primary); }
.bg-dark { background-color: var(--primary); color: white; }

.hidden { display: none; }
.visible { display: block; }

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

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

@media (max-width: 768px) {
  .container {
    padding: 0 15px;
  }
  
  .col-half,
  .col-third,
  .col-quarter {
    width: 100%;
    margin-bottom: 30px;
  }
  
  h1 { font-size: 32px; }
  h2 { font-size: 28px; }
  h3 { font-size: 24px; }
  
  body { font-size: 16px; }
  
  .padding-section { padding: 60px 0; }
  .padding-section-large { padding: 80px 0; }
}