:root{--primary-50:#f0f9ff;--primary-100:#e0f2fe;--primary-200:#bae6fd;--primary-300:#7dd3fc;--primary-400:#38bdf8;--primary-500:#0ea5e9;--primary-600:#0284c7;--primary-700:#0369a1;--primary-800:#075985;--primary-900:#0c4a6e;--secondary-50:#f8fafc;--secondary-100:#f1f5f9;--secondary-200:#e2e8f0;--secondary-300:#cbd5e1;--secondary-400:#94a3b8;--secondary-500:#64748b;--secondary-600:#475569;--secondary-700:#334155;--secondary-800:#1e293b;--secondary-900:#0f172a;--bulgarian-red:#d62612;--bulgarian-green:#00966e;--bulgarian-white:#fff;--construction-orange-50:#fff7ed;--construction-orange-500:#f97316;--construction-orange-600:#ea580c;--construction-orange-700:#c2410c;--success-50:#f0fdf4;--success-500:#22c55e;--success-600:#16a34a;--warning-50:#fffbeb;--warning-500:#f59e0b;--warning-600:#d97706;--error-50:#fef2f2;--error-500:#ef4444;--error-600:#dc2626;--gradient-primary:linear-gradient(135deg,var(--primary-600) 0%,var(--primary-700) 100%);--gradient-secondary:linear-gradient(135deg,var(--primary-500) 0%,var(--primary-600) 100%);--gradient-industrial:linear-gradient(135deg,#0284c7,#075985 50%,#0c4a6e);--gradient-construction:linear-gradient(135deg,#f97316,#ea580c 50%,#c2410c);--gradient-professional:linear-gradient(135deg,#334155,#475569 50%,#64748b);--gradient-hero:linear-gradient(135deg,#0284c7,#075985 50%,#f97316);--gradient-card:linear-gradient(145deg,hsla(0,0%,100%,.1),hsla(0,0%,100%,.05));--gradient-glass:linear-gradient(145deg,rgba(2,132,199,.1),rgba(7,89,133,.05));--glass-bg:hsla(0,0%,100%,.1);--glass-border:rgba(2,132,199,.2);--glass-shadow:0 8px 32px 0 rgba(7,89,133,.2);--btn-primary-bg:var(--gradient-primary);--btn-primary-hover:linear-gradient(135deg,var(--primary-700) 0%,var(--primary-800) 100%);--btn-secondary-bg:rgba(2,132,199,.1);--btn-secondary-hover:rgba(2,132,199,.2);--btn-construction-bg:var(--gradient-construction);--btn-construction-hover:linear-gradient(135deg,#ea580c,#c2410c);--shadow-sm:0 1px 2px 0 rgba(0,0,0,.05);--shadow-md:0 4px 6px -1px rgba(0,0,0,.1),0 2px 4px -2px rgba(0,0,0,.1);--shadow-lg:0 10px 15px -3px rgba(0,0,0,.1),0 4px 6px -4px rgba(0,0,0,.1);--shadow-xl:0 20px 25px -5px rgba(0,0,0,.1),0 8px 10px -6px rgba(0,0,0,.1);--radius-sm:0.25rem;--radius-md:0.375rem;--radius-lg:0.5rem;--radius-xl:0.75rem;--radius-2xl:1rem;--space-xs:0.25rem;--space-sm:0.5rem;--space-md:1rem;--space-lg:1.5rem;--space-xl:2rem;--space-2xl:3rem;--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;--leading-tight:1.25;--leading-normal:1.5;--leading-relaxed:1.625;--font-normal:400;--font-medium:500;--font-semibold:600;--font-bold:700;--transition-fast:150ms ease-in-out;--transition-normal:300ms ease-in-out;--transition-slow:500ms ease-in-out}@media (prefers-color-scheme:dark){:root{--primary-50:#581c87;--primary-100:#6b21a8;--primary-900:#faf5ff}}