:root {
  /* Palette: #2C3D4F, #34495D, #E67E22, #ECF0F1 */
  --primary-color: #2C3D4F;
  --secondary-color: #34495D;
  --accent-color: #E67E22;
  --light-color: #ECF0F1;
  --dark-color: #1a252f;
  --background-color: #FFFFFF;
  --text-color: #333333;
  --highlight-color: #F1C40F; /* Компліментарний */
  
  --border-color: rgba(44, 61, 79, 0.2);
  --divider-color: rgba(44, 61, 79, 0.1);
  --shadow-color: rgba(0, 0, 0, 0.1);
  
  --main-font: 'Open Sans', sans-serif;
  --heading-font: 'Roboto Condensed', sans-serif;
}

body {
  font-family: var(--main-font);
  color: var(--text-color);
  background-color: var(--background-color);
  position: relative;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--heading-font);
}

/* Background Pattern */
.bg-pattern {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  opacity: 0.05;
  background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%232C3D4F' fill-opacity='1'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  pointer-events: none;
}

/* Custom Utilities based on variables */
.text-primary { color: var(--primary-color); }
.text-accent { color: var(--accent-color); }
.bg-primary { background-color: var(--primary-color); }
.bg-secondary { background-color: var(--secondary-color); }
.bg-light { background-color: var(--light-color); }
.bg-accent { background-color: var(--accent-color); }
.border-theme { border-color: var(--border-color); }

.btn-main {
  background-color: var(--accent-color);
  color: white;
  transition: all 0.3s ease;
}
.btn-main:hover {
  background-color: var(--primary-color);
  transform: translateY(-2px);
  box-shadow: 0 4px 6px var(--shadow-color);
}

.feature-card {
  border: 1px solid var(--border-color);
  background: white;
  transition: transform 0.3s;
}
.feature-card:hover {
  border-color: var(--accent-color);
}

.highlight-text {
  background-color: var(--highlight-color);
  color: var(--primary-color);
  padding: 0 5px;
  font-weight: bold;
}