:root{--bg-primary:#0A0A0B;--bg-secondary:#111113;--bg-elevated:#1A1A1D;--bg-surface:#18181B;--gradient-hero:linear-gradient(180deg, #0A0A0B 0%, #111827 100%);--gradient-card:linear-gradient(135deg, #1A1A1D 0%, #111113 100%);--gradient-accent:linear-gradient(135deg, #FF6A00 0%, #FF521D 100%);--gradient-hero-glow:radial-gradient(ellipse at center, rgba(255, 106, 0, 0.1) 0%, transparent 70%);--accent-primary:#FF6A00;--accent-hover:#FF521D;--accent-light:#FFA185;--accent-subtle:rgba(255, 106, 0, 0.1);--accent-glow:rgba(255, 106, 0, 0.3);--accent-glow-strong:rgba(255, 106, 0, 0.4);--text-primary:#FFFFFF;--text-secondary:#A1A1AA;--text-muted:#8B8B94;--text-accent:#FF6A00;--text-on-accent:#FFFFFF;--border-default:#27272A;--border-light:#3F3F46;--border-accent:rgba(255, 106, 0, 0.3);--color-success:#22C55E;--color-warning:#F59E0B;--color-error:#EF4444;--color-info:#3B82F6;--color-success-subtle:rgba(34, 197, 94, 0.1);--color-warning-subtle:rgba(245, 158, 11, 0.1);--color-error-subtle:rgba(239, 68, 68, 0.1);--color-info-subtle:rgba(59, 130, 246, 0.1);--light-bg-primary:#FFFFFF;--light-bg-secondary:#F9FAFB;--light-text-primary:#111827;--light-text-secondary:#6B7280;--light-border:#E5E7EB;--light-accent:#FF6A00;--font-primary:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;--font-mono:'JetBrains Mono','Fira Code',monospace;--text-hero:clamp(2.5rem, 5vw, 3.75rem);--text-display:clamp(2rem, 3.5vw, 2.75rem);--text-h1:clamp(1.75rem, 3vw, 2.25rem);--text-h2:clamp(1.375rem, 2.5vw, 1.75rem);--text-h3:clamp(1.125rem, 1.75vw, 1.375rem);--text-h4:1.125rem;--text-body-lg:1.125rem;--text-body:1rem;--text-body-sm:0.875rem;--text-caption:0.75rem;--leading-tight:1.1;--leading-snug:1.25;--leading-normal:1.5;--leading-relaxed:1.75;--tracking-tight:-0.02em;--tracking-normal:0;--tracking-wide:0.05em;--font-normal:400;--font-medium:500;--font-semibold:600;--font-bold:700;--font-extrabold:800;--space-1:0.25rem;--space-2:0.5rem;--space-3:0.75rem;--space-4:1rem;--space-5:1.25rem;--space-6:1.5rem;--space-8:2rem;--space-10:2.5rem;--space-12:3rem;--space-16:4rem;--space-20:5rem;--space-24:6rem;--space-32:8rem;--container-sm:640px;--container-md:768px;--container-lg:1024px;--container-xl:1280px;--container-2xl:1400px;--grid-columns:12;--grid-gap:1.5rem;--grid-gap-sm:1rem;--grid-gap-lg:2rem;--radius-sm:0.375rem;--radius-md:0.5rem;--radius-lg:0.75rem;--radius-xl:1rem;--radius-2xl:1.25rem;--radius-3xl:1.5rem;--radius-full:9999px;--shadow-sm:0 1px 3px rgba(0, 0, 0, 0.3);--shadow-md:0 4px 12px rgba(0, 0, 0, 0.4);--shadow-lg:0 20px 40px rgba(0, 0, 0, 0.3);--shadow-xl:0 25px 50px -12px rgba(0, 0, 0, 0.5);--shadow-accent:0 0 20px rgba(255, 106, 0, 0.3);--shadow-accent-hover:0 0 30px rgba(255, 106, 0, 0.4);--shadow-accent-glow:0 0 40px rgba(255, 106, 0, 0.1);--transition-fast:150ms ease;--transition-base:200ms ease;--transition-slow:300ms ease;--transition-slower:500ms ease;--z-dropdown:10;--z-sticky:20;--z-fixed:30;--z-modal-backdrop:40;--z-modal:50;--z-popover:60;--z-tooltip:70;--z-header:100;--z-skip-link:1000}