/* Paleta base para renovaciones visuales: grafito zinc y acentos semánticos. */
:root {
    --bio-graphite-canvas: #09090b;
    --bio-graphite-surface: #18181b;
    --bio-graphite-surface-elevated: #27272a;
    --bio-graphite-surface-soft: #3f3f46;
    --bio-graphite-hero-start: #27272a;
    --bio-graphite-hero-end: #18181b;
    --bio-graphite-border: rgba(161, 161, 170, 0.16);
    --bio-graphite-border-strong: rgba(161, 161, 170, 0.28);
    --bio-graphite-text: #fafafa;
    --bio-graphite-muted: #a1a1aa;
    --bio-graphite-subtle: #71717a;
    --bio-graphite-accent: #55d891;
    --bio-graphite-warning: #e6ae5c;
    --bio-graphite-danger: #ef8181;
}