:root{--dc-font-base:system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;--dc-font-secondary:system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;--dc-font-size-xs:0.75rem;--dc-font-size-sm:0.875rem;--dc-font-size-base:1rem;--dc-font-size-md:1.125rem;--dc-font-size-lg:1.25rem;--dc-font-size-xl:1.5rem;--dc-font-size-2xl:2rem;--dc-font-size-3xl:2.5rem;--dc-font-size-4xl:3rem;--dc-font-size-5xl:4rem;--dc-font-weight-light:300;--dc-font-weight-regular:400;--dc-font-weight-medium:500;--dc-font-weight-semibold:600;--dc-font-weight-bold:700;--dc-font-weight-extrabold:800;--dc-line-height-tight:1.2;--dc-line-height-snug:1.35;--dc-line-height-base:1.6;--dc-line-height-loose:1.75;--dc-letter-spacing-tight:-0.02em;--dc-letter-spacing-base:0;--dc-letter-spacing-wide:0.04em;--dc-letter-spacing-wider:0.08em;--dc-black:#1a1a1a;--dc-white:#fafafa;--dc-surface:#ffffff;--dc-surface-container-low:#f5f5f5;--dc-surface-container-highest:#e0e0e0;--dc-surface-container-lowest:#ffffff;--dc-outline-variant:#bbbbbb;--dc-primary:#555555;--dc-primary-dim:#444444;--dc-secondary:#666666;--dc-tertiary:#777777;--dc-color-bg:var(--dc-surface);--dc-color-bg-alt:var(--dc-surface-container-low);--dc-color-bg-card:var(--dc-surface-container-lowest);--dc-color-text:var(--dc-black);--dc-color-text-muted:#6b6b6b;--dc-color-accent:var(--dc-primary);--dc-color-accent-hover:var(--dc-primary-dim);--dc-color-border:rgba(0, 0, 0, 0.1);--dc-space-1:0.25rem;--dc-space-2:0.5rem;--dc-space-3:0.75rem;--dc-space-4:1rem;--dc-space-5:1.25rem;--dc-space-6:1.5rem;--dc-space-8:2rem;--dc-space-10:2.5rem;--dc-space-12:3rem;--dc-space-16:4rem;--dc-space-20:5rem;--dc-space-24:6rem;--dc-space-32:8rem;--dc-max-width:1200px;--dc-max-width-wide:1440px;--dc-max-width-text:720px;--dc-gutter:clamp(1rem, 5vw, 2rem);--dc-header-height:72px;--dc-radius-sm:4px;--dc-radius-md:8px;--dc-radius-lg:16px;--dc-radius-xl:24px;--dc-radius-full:9999px;--dc-border:1px solid var(--dc-color-border);--dc-shadow-ambient:rgba(0, 0, 0, 0.06);--dc-shadow-sm:0 1px 3px var(--dc-shadow-ambient), 0 1px 2px var(--dc-shadow-ambient);--dc-shadow-md:0 4px 6px var(--dc-shadow-ambient), 0 2px 4px var(--dc-shadow-ambient);--dc-shadow-lg:0 10px 15px var(--dc-shadow-ambient), 0 4px 6px var(--dc-shadow-ambient);--dc-shadow-xl:0 20px 40px var(--dc-shadow-ambient);--dc-ease:cubic-bezier(0.4, 0, 0.2, 1);--dc-ease-out:cubic-bezier(0, 0, 0.2, 1);--dc-duration-fast:150ms;--dc-duration-base:250ms;--dc-duration-slow:400ms;--dc-header-sticky-bg:rgba(255, 255, 255, 0.75);--dc-header-sticky-blur:20px;--dc-z-base:1;--dc-z-raised:10;--dc-z-overlay:20;--dc-z-modal:30;--dc-z-header:50;--dc-z-toast:100}