:root {
  /* Palette: #4B0082 (Indigo), #00CED1 (Dark Turquoise), #F0F4F8 (Alice Blue) */
  --primary-color: #4B0082;
  --secondary-color: #00CED1;
  --accent-color: #8A2BE2;
  --light-color: #FFFFFF;
  --dark-color: #1A202C;
  --background-color: #F0F4F8;
  --text-color: #2D3748;
  --border-color: #E2E8F0;
  --highlight-color: #FF00FF; /* Magenta for strong contrast */
  
  --font-heading: 'Exo 2', sans-serif;
  --font-text: 'Inter', sans-serif;
  
  --site-container: 1200px;
  --product-img-width: 360px;
}

body {
    font-family: var(--font-text);
    background-color: var(--background-color);
    color: var(--text-color);
}

/* Circuit Pattern */
.bg-pattern {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%; z-index: 0; opacity: 0.03;
    background-image: url("data:image/svg+xml,%3Csvg width='100' height='100' viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M10 10h80v80h-80z' fill='none' stroke='%234B0082' stroke-width='1'/%3E%3Cpath d='M30 30h40v40h-40z' fill='none' stroke='%2300CED1' stroke-width='1'/%3E%3C/svg%3E");
}

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

.btn-tech {
    background: linear-gradient(90deg, var(--primary-color) 0%, var(--accent-color) 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(75, 0, 130, 0.3);
    transition: transform 0.2s ease;
}
.btn-tech:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(75, 0, 130, 0.4);
}

.feature-grid-item {
    background: white;
    border-top: 4px solid var(--secondary-color);
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

header { background: white; border-bottom: 1px solid var(--border-color); z-index: 20; position: relative;}
footer { background: var(--dark-color); color: var(--light-color); z-index: 20; position: relative; }

.cta-box {
    background: white;
    border: 2px solid var(--primary-color);
    border-radius: 8px;
}