:root {
    --tech-dark: #0b0f19;
    --tech-text: #e6e8ee;
    --tech-blue: #3b82f6;
    --tech-cyan: #22d3ee;
}

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial;
    background: var(--tech-dark);
    color: var(--tech-text);
    line-height: 1.6;
}