:root{--theme-transition:all 0.3s cubic-bezier(0.4,0,0.2,1);--bg-primary:#0f172a;--bg-secondary:#1e293b;--bg-tertiary:#334155;--bg-surface:#475569;--bg-hover:#64748b;--bg-glass:rgba(255,255,255,0.03);--bg-glass-hover:rgba(255,255,255,0.05);--text-primary:#ffffff;--text-secondary:#f1f5f9;--text-tertiary:#cbd5e1;--text-muted:#94a3b8;--text-disabled:#64748b;--brand-primary:#60a5fa;--brand-primary-hover:#3b82f6;--brand-secondary:#a78bfa;--brand-secondary-hover:#8b5cf6;--brand-accent:#f472b6;--brand-accent-hover:#ec4899;--success:#34d399;--success-hover:#10b981;--warning:#fbbf24;--warning-hover:#f59e0b;--error:#f87171;--error-hover:#ef4444;--info:#38bdf8;--info-hover:#06b6d4;--border-primary:rgba(255,255,255,0.1);--border-secondary:rgba(255,255,255,0.05);--border-hover:rgba(255,255,255,0.2);--border-focus:rgba(59,130,246,0.5);--shadow-sm:0 1px 2px rgba(0,0,0,0.05);--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(0,0,0,0.1);--shadow-2xl:0 25px 50px rgba(0,0,0,0.25);--shadow-glow:0 0 20px rgba(59,130,246,0.5);--gradient-primary:linear-gradient(135deg,#3b82f6,#1e40af);--gradient-secondary:linear-gradient(135deg,#8b5cf6,#6d28d9);--gradient-accent:linear-gradient(135deg,#ec4899,#be185d);--gradient-hero:linear-gradient(135deg,#0f172a,#1e293b 50%,#334155);--gradient-surface:linear-gradient(135deg,rgba(59,130,246,0.1),rgba(139,92,246,0.1));--service-support:linear-gradient(135deg,#60a5fa,#3b82f6);--service-content:linear-gradient(135deg,#a78bfa,#8b5cf6);--service-data:linear-gradient(135deg,#34d399,#10b981);--service-crm:linear-gradient(135deg,#f87171,#ef4444);--service-voice:linear-gradient(135deg,#818cf8,#6366f1);--glass-bg:rgba(255,255,255,0.03);--glass-border:rgba(255,255,255,0.05);--glass-shadow:0 8px 32px rgba(0,0,0,0.3);--glass-backdrop:blur(10px)}[data-theme=light]{--bg-primary:#ffffff;--bg-secondary:#f8fafc;--bg-tertiary:#f1f5f9;--bg-surface:#e2e8f0;--bg-hover:#cbd5e1;--bg-glass:rgba(255,255,255,0.8);--bg-glass-hover:rgba(255,255,255,0.9);--text-primary:#0f172a;--text-secondary:#1e293b;--text-tertiary:#374151;--text-muted:#6b7280;--text-disabled:#9ca3af;--brand-primary:#1d4ed8;--brand-primary-hover:#1e40af;--brand-secondary:#6d28d9;--brand-secondary-hover:#5b21b6;--brand-accent:#be185d;--brand-accent-hover:#9d174d;--border-primary:rgba(0,0,0,0.1);--border-secondary:rgba(0,0,0,0.05);--border-hover:rgba(0,0,0,0.2);--border-focus:rgba(59,130,246,0.4);--shadow-sm:0 1px 2px rgba(0,0,0,0.05);--shadow-md:0 4px 6px rgba(0,0,0,0.07);--shadow-lg:0 10px 15px rgba(0,0,0,0.1);--shadow-xl:0 20px 25px rgba(0,0,0,0.1);--shadow-2xl:0 25px 50px rgba(0,0,0,0.15);--shadow-glow:0 0 20px rgba(59,130,246,0.3);--gradient-primary:linear-gradient(135deg,#3b82f6,#2563eb);--gradient-secondary:linear-gradient(135deg,#8b5cf6,#7c3aed);--gradient-accent:linear-gradient(135deg,#ec4899,#db2777);--gradient-hero:linear-gradient(135deg,#ffffff,#f8fafc 50%,#f1f5f9);--gradient-surface:linear-gradient(135deg,rgba(59,130,246,0.05),rgba(139,92,246,0.05));--service-support:linear-gradient(135deg,#1d4ed8,#1e40af);--service-content:linear-gradient(135deg,#6d28d9,#5b21b6);--service-data:linear-gradient(135deg,#059669,#047857);--service-crm:linear-gradient(135deg,#dc2626,#b91c1c);--service-voice:linear-gradient(135deg,#4f46e5,#3730a3);--glass-bg:rgba(255,255,255,0.8);--glass-border:rgba(0,0,0,0.1);--glass-shadow:0 8px 32px rgba(0,0,0,0.1);--glass-backdrop:blur(10px)}*,:after,:before{transition:background-color var(--theme-transition),border-color var(--theme-transition),color var(--theme-transition),box-shadow var(--theme-transition)}body{background:var(--bg-primary);color:var(--text-primary);transition:var(--theme-transition)}.glass-themed{background:var(--glass-bg);backdrop-filter:var(--glass-backdrop);-webkit-backdrop-filter:var(--glass-backdrop);border:1px solid var(--glass-border);box-shadow:var(--glass-shadow)}.glass-themed:hover{background:var(--bg-glass-hover);border-color:var(--border-hover)}.gradient-text-themed{background:var(--gradient-primary);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.service-card-support{background:var(--service-support)}.service-card-content{background:var(--service-content)}.service-card-data{background:var(--service-data)}.service-card-crm{background:var(--service-crm)}.service-card-voice{background:var(--service-voice)}.btn-primary-themed{background:var(--brand-primary);color:white;border:1px solid var(--brand-primary)}.btn-primary-themed:hover{background:var(--brand-primary-hover);border-color:var(--brand-primary-hover);box-shadow:var(--shadow-glow)}.btn-secondary-themed{background:transparent;color:var(--text-primary);border:1px solid var(--border-primary)}.btn-secondary-themed:hover{background:var(--bg-hover);border-color:var(--border-hover)}.nav-themed{background:var(--glass-bg);backdrop-filter:var(--glass-backdrop);-webkit-backdrop-filter:var(--glass-backdrop);border-bottom:1px solid var(--border-primary)}.card-themed{background:var(--bg-surface);border:1px solid var(--border-primary);box-shadow:var(--shadow-lg)}.card-themed:hover{background:var(--bg-hover);border-color:var(--border-hover);box-shadow:var(--shadow-xl)}.input-themed{background:var(--bg-surface);border:1px solid var(--border-primary);color:var(--text-primary)}.input-themed:focus{border-color:var(--border-focus);box-shadow:0 0 0 3px rgba(59,130,246,.1)}.input-themed::-moz-placeholder{color:var(--text-muted)}.input-themed::placeholder{color:var(--text-muted)}@media (prefers-reduced-motion:reduce){*,:after,:before{transition:none!important}}@media (prefers-contrast:high){:root{--border-primary:rgba(255,255,255,0.3);--text-tertiary:#cbd5e1;--text-muted:#94a3b8}[data-theme=light]{--border-primary:rgba(0,0,0,0.3);--text-tertiary:#475569;--text-muted:#64748b}}