:root{--color-primary:#1a5490;--color-primary-dark:#0f3a63;--color-primary-light:#4a7ab0;--color-accent:#ff6b35;--color-accent-dark:#e55a2b;--color-accent-light:#ff8659;--color-success:#28a745;--color-warning:#ffc107;--color-error:#dc3545;--color-info:#17a2b8;--primary:#1a5490;--primary-dark:#0f3a63;--primary-light:#4a7ab0;--secondary:#ff6b35;--secondary-dark:#e55a2b;--secondary-light:#ff8659;--success:#28a745;--warning:#ffc107;--error:#dc3545;--info:#17a2b8;--color-black:#1a1a1a;--color-gray-900:#333333;--color-gray-700:#555555;--color-gray-500:#999999;--color-gray-300:#cccccc;--color-gray-100:#f8f9fa;--color-white:#ffffff;--bg-primary:#ffffff;--bg-secondary:#f8f9fa;--bg-dark:#1a1a1a;--bg-overlay:rgba(0, 0, 0, 0.7);--border-color:#e0e0e0;--border-light:#f0f0f0;--text-primary:#1a1a1a;--text-secondary:#333333;--text-muted:#555555;--text-light:#ffffff;--font-heading:'Poppins',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;--font-body:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;--font-code:'Courier New','Consolas',monospace;--font-size-xs:0.75rem;--font-size-sm:0.875rem;--font-size-base:1rem;--font-size-lg:1.125rem;--font-size-xl:1.25rem;--font-size-2xl:1.5rem;--font-size-3xl:1.875rem;--font-size-4xl:2.25rem;--font-size-5xl:3rem;--font-size-6xl:3.75rem;--font-size-h1:2.5rem;--font-size-h2:2rem;--font-size-h3:1.75rem;--font-size-h4:1.5rem;--font-size-h5:1.25rem;--font-size-h6:1rem;--font-weight-light:300;--font-weight-regular:400;--font-weight-medium:500;--font-weight-semibold:600;--font-weight-bold:700;--font-weight-extrabold:800;--line-height-tight:1.2;--line-height-normal:1.5;--line-height-relaxed:1.75;--letter-spacing-tight:-0.02em;--letter-spacing-normal:0;--letter-spacing-wide:0.05em;--space-xs:0.25rem;--space-sm:0.5rem;--space-md:1rem;--space-lg:1.5rem;--space-xl:2rem;--space-2xl:3rem;--space-3xl:4rem;--space-4xl:6rem;--space-5xl:8rem;--container-width:1200px;--container-padding:1.5rem;--section-padding:5rem;--radius-sm:2px;--radius-md:4px;--radius-lg:8px;--radius-xl:12px;--radius-2xl:16px;--radius-full:9999px;--shadow-xs:0 1px 2px rgba(0, 0, 0, 0.05);--shadow-sm:0 1px 3px rgba(0, 0, 0, 0.1);--shadow-md:0 4px 6px rgba(0, 0, 0, 0.1);--shadow-lg:0 10px 15px rgba(0, 0, 0, 0.1);--shadow-xl:0 20px 25px rgba(0, 0, 0, 0.15);--shadow-2xl:0 25px 50px rgba(0, 0, 0, 0.25);--transition-fast:150ms ease;--transition-normal:300ms ease;--transition-slow:500ms ease;--ease-in:cubic-bezier(0.4, 0, 1, 1);--ease-out:cubic-bezier(0, 0, 0.2, 1);--ease-in-out:cubic-bezier(0.4, 0, 0.2, 1);--z-dropdown:1000;--z-sticky:1020;--z-fixed:1030;--z-modal-backdrop:1040;--z-modal:1050;--z-popover:1060;--z-tooltip:1070}@media (prefers-color-scheme:dark){:root{--bg-primary:#1a1a1a;--bg-secondary:#2d2d2d;--color-black:#ffffff;--color-gray-900:#e0e0e0;--color-gray-700:#b0b0b0;--text-primary:#ffffff;--text-secondary:#e0e0e0;--text-muted:#b0b0b0}}@media (prefers-contrast:high){:root{--color-primary:#0d3a5f;--color-accent:#d94a1a;--border-color:#000000}}@media (prefers-reduced-motion:reduce){:root{--transition-fast:0.01ms;--transition-normal:0.01ms;--transition-slow:0.01ms}}