:root {
  /* Selected Random Colors: #34495D (Dark Blue), #E67E22 (Orange), #ECF0F1 (Light), #95A5A6 (Grey) */
  --primary-color: #34495D;
  --secondary-color: #2C3E50;
  --accent-color: #E67E22;
  --light-color: #ECF0F1;
  --dark-color: #1F2833;
  --gradient-primary: linear-gradient(135deg, #34495D 0%, #2C3E50 100%);
  --hover-color: #D35400;
  --background-color: #FFFFFF;
  --text-color: #2C3D4F;
  --border-color: #BDC3C7;
  --divider-color: rgba(52, 73, 93, 0.1);
  --shadow-color: rgba(52, 73, 93, 0.15);
  --highlight-color: #F1C40F; /* Complementary Yellow */
  --main-font: 'Open Sans', sans-serif;
  --alt-font: 'Oswald', sans-serif;
}

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

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

.custom-bg-primary { background: var(--gradient-primary); }
.custom-text-primary { color: var(--primary-color); }
.custom-bg-light { background-color: var(--light-color); }
.custom-border { border: 1px solid var(--border-color); }
.custom-btn {
    background-color: var(--accent-color);
    color: white;
    transition: all 0.3s ease;
}
.custom-btn:hover { background-color: var(--hover-color); }

/* Abstract Background Pattern SVG (Data URI or CSS shapes) */
.bg-pattern {
    position: absolute;
    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='%2334495D' 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");
}

.feature-box {
    background: #fff;
    border-left: 4px solid var(--accent-color);
}