:root{--font-display:'Space Grotesk','Inter',system-ui,sans-serif;--font-display-fallback:'Inter',system-ui,sans-serif;--font-heading:'Inter',system-ui,sans-serif;--font-body:'Source Sans 4','Inter',system-ui,sans-serif;--font-mono:'JetBrains Mono',monospace;--font-size-xs:clamp(0.7rem,0.65rem + 0.25vw,0.75rem);--font-size-sm:clamp(0.8rem,0.75rem + 0.25vw,0.875rem);--font-size-base:clamp(0.95rem,0.9rem + 0.25vw,1rem);--font-size-lg:clamp(1.05rem,1rem + 0.25vw,1.125rem);--font-size-xl:clamp(1.15rem,1.05rem + 0.5vw,1.25rem);--font-size-2xl:clamp(1.35rem,1.2rem + 0.75vw,1.5rem);--font-size-3xl:clamp(1.65rem,1.4rem + 1.25vw,1.875rem);--font-size-4xl:clamp(2rem,1.6rem + 2vw,2.25rem);--font-size-5xl:clamp(2.5rem,1.8rem + 3.5vw,3.5rem);--font-size-6xl:clamp(3rem,2rem + 5vw,4.5rem);--font-size-hero:clamp(3rem,2rem + 5vw,4.5rem);--font-size-section-title:clamp(1.5rem,1.2rem + 1.5vw,1.875rem);--font-size-card-title:clamp(1rem,0.95rem + 0.25vw,1.125rem);--letter-spacing-hero:-0.03em;--letter-spacing-section:-0.02em;--line-height-tight:1.15;--line-height-snug:1.3;--line-height-normal:1.6;--line-height-relaxed:1.75;--font-weight-normal:400;--font-weight-medium:500;--font-weight-semibold:600;--font-weight-bold:700;--font-weight-extrabold:800;--tracking-tight:-0.02em;--tracking-normal:0;--tracking-wide:0.02em;--tracking-wider:0.05em;--tracking-widest:0.1em;--color-primary:#3b82f6;--color-primary-light:#60a5fa;--color-primary-dark:#2563eb;--color-secondary:#06b6d4;--color-accent:#8b5cf6;--color-bg:#0a0a0a;--color-surface:#171717;--color-text:#f5f5f5;--color-text-muted:#a3a3a3;--color-text-light:#737373;--color-border:#262626;--color-border-light:#404040;--color-primary-alpha:rgba(59,130,246,0.14);--color-surface-90:rgba(23,23,23,0.9);--color-surface-80:rgba(23,23,23,0.8);--color-surface-72:rgba(23,23,23,0.72);--color-surface-50:rgba(23,23,23,0.5);--color-surface-15:rgba(255,255,255,0.15);--color-surface-12:rgba(255,255,255,0.12);--color-surface-10:rgba(255,255,255,0.1);--color-surface-08:rgba(255,255,255,0.08);--color-surface-06:rgba(255,255,255,0.06);--color-surface-04:rgba(255,255,255,0.04);--color-header-bg:rgba(10,10,10,0.85);--color-dark-08:rgba(255,255,255,0.08);--color-dark-06:rgba(255,255,255,0.06);--color-dark-04:rgba(255,255,255,0.04);--color-dark-15:rgba(255,255,255,0.15);--color-success:#10b981;--color-warning:#f59e0b;--color-error:#ef4444;--color-info:#3b82f6;--space-0:0;--space-1:0.5rem;--space-2:1rem;--space-3:1.5rem;--space-4:2rem;--space-5:3rem;--space-6:4rem;--space-7:6rem;--space-8:var(--space-4);--space-10:var(--space-5);--space-12:var(--space-6);--space-16:var(--space-6);--space-20:var(--space-6);--space-24:var(--space-7);--space-32:var(--space-7);--max-width:1200px;--container-max:1200px;--content-width:720px;--wide-width:960px;--header-height:72px;--section-padding:clamp(4rem,3rem + 5vw,8rem);--section-py:clamp(3rem,2rem + 4vw,6rem);--container-px:clamp(1rem,0.5rem + 2vw,2rem);--card-p:1.5rem;--card-radius:12px;--grid-gap:1.5rem;--grid-gap-lg:2rem;--radius-sm:6px;--radius-md:10px;--radius-lg:16px;--radius-xl:24px;--radius-2xl:32px;--radius-full:9999px;--shadow-xs:0 1px 2px rgba(0,0,0,0.3);--shadow-sm:0 1px 3px rgba(0,0,0,0.4),0 1px 2px rgba(0,0,0,0.3);--shadow-md:0 4px 6px -1px rgba(0,0,0,0.5),0 2px 4px -2px rgba(0,0,0,0.4);--shadow-lg:0 10px 15px -3px rgba(0,0,0,0.5),0 4px 6px -4px rgba(0,0,0,0.3);--shadow-xl:0 20px 25px -5px rgba(0,0,0,0.5),0 8px 10px -6px rgba(0,0,0,0.3);--shadow-2xl:0 25px 50px -12px rgba(0,0,0,0.6);--shadow-inner:inset 0 2px 4px rgba(255,255,255,0.04);--shadow-glow:0 0 20px rgba(var(--color-primary-rgb,59,130,246),0.25);--transition-fast:150ms cubic-bezier(0.4,0,0.2,1);--transition-base:250ms cubic-bezier(0.4,0,0.2,1);--transition-slow:400ms cubic-bezier(0.4,0,0.2,1);--transition-spring:500ms cubic-bezier(0.34,1.56,0.64,1)}*{transition:background-color 0.2s ease,color 0.2s ease,border-color 0.2s ease,box-shadow 0.2s ease}@media (prefers-reduced-motion:reduce){*{transition:none !important;animation-duration:0.01ms !important;animation-iteration-count:1 !important}}:root{--gradient-primary:linear-gradient(135deg,var(--color-primary) 0%,var(--color-primary-light) 100%);--gradient-accent:linear-gradient(135deg,var(--color-accent) 0%,var(--color-secondary) 100%);--gradient-card-accent:linear-gradient(135deg,var(--color-primary) 0%,var(--color-secondary) 100%);--gradient-hero:radial-gradient(ellipse at top,var(--color-primary-alpha) 0%,transparent 60%);--gradient-text:linear-gradient(135deg,var(--color-primary) 0%,var(--color-accent) 100%);--glass-bg:rgba(23,23,23,0.72);--glass-border:rgba(255,255,255,0.08);--glass-blur:blur(12px);--depth-1:0 1px 2px rgba(0,0,0,0.04);--depth-2:0 2px 4px rgba(0,0,0,0.04),0 1px 2px rgba(0,0,0,0.02);--depth-3:0 8px 16px rgba(0,0,0,0.06),0 2px 4px rgba(0,0,0,0.03);--depth-hover:0 20px 40px rgba(0,0,0,0.10),0 8px 16px rgba(0,0,0,0.06);--motion-reveal:600ms cubic-bezier(0.16,1,0.3,1);--motion-stagger:80ms;--motion-card-hover:300ms cubic-bezier(0.34,1.56,0.64,1);--z-dropdown:50;--z-sticky:100;--z-overlay:200;--z-modal:300;--z-toast:400}