:root{--space-1:4px;--space-2:8px;--space-3:12px;--space-4:16px;--space-5:24px;--space-6:32px;--space-8:48px;--space-10:64px;--space-12:96px;--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--radius-xl:24px;--radius-pill:999px;--fs-xs:.8rem;--fs-sm:.9rem;--fs-base:1rem;--fs-lg:1.15rem;--fs-xl:clamp(1.25rem,1.05rem + 1vw,1.6rem);--fs-2xl:clamp(1.6rem,1.3rem + 1.6vw,2.2rem);--fs-3xl:clamp(2rem,1.5rem + 2.6vw,3rem);--fs-4xl:clamp(2.5rem,1.8rem + 3.4vw,4rem);--lh-tight:1.2;--lh-base:1.6;--lh-loose:1.8;--surface-1:#0f172a;--surface-2:#1e293b;--surface-3:#334155;--surface-glass:rgba(30,41,59,0.6);--border-hairline:1px solid rgba(255,255,255,0.1);--border-hairline-strong:1px solid rgba(255,255,255,0.18);--shadow-1:0 2px 8px rgba(0,0,0,0.25);--shadow-2:0 8px 24px rgba(0,0,0,0.3);--shadow-3:0 16px 40px rgba(0,0,0,0.4);--shadow-4:0 24px 60px rgba(0,0,0,0.5);--shadow-glow:0 10px 30px rgba(99,102,241,0.25);--shadow-glow-strong:0 18px 48px rgba(102,126,234,0.45);--dur-fast:.15s;--dur-base:.3s;--dur-slow:.6s;--ease-out:cubic-bezier(0.16,1,0.3,1);--ease-spring:cubic-bezier(0.175,0.885,0.32,1.275);--z-base:1;--z-nav:1000;--z-modal:2000;--z-toast:3000;--container-max:1200px;--container-pad:20px}