:root{--color-primary: #0ea5e9;--color-primary-dark: #0284c7;--color-secondary: #64748b;--color-background: #ffffff;--color-surface: #f8fafc;--color-text: #0f172a;--color-text-light: #475569;--color-border: #e2e8f0;--color-nav-bg: rgba(255, 255, 255, .9);--font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--spacing-xs: .25rem;--spacing-sm: .5rem;--spacing-md: 1rem;--spacing-lg: 1.5rem;--spacing-xl: 2rem;--spacing-xxl: 4rem;--radius-sm: .375rem;--radius-md: .5rem;--radius-lg: .75rem;--radius-full: 9999px;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .1), 0 2px 4px -2px rgb(0 0 0 / .1)}.dark{--color-background: #0f172a;--color-surface: #1e293b;--color-text: #f8fafc;--color-text-light: #94a3b8;--color-border: #334155;--color-nav-bg: rgba(15, 23, 42, .9);--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .3);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .5)}body{margin:0;font-family:var(--font-sans);background-color:var(--color-background);color:var(--color-text);line-height:1.5;-webkit-font-smoothing:antialiased}.container{max-width:1200px;margin:0 auto;padding:0 var(--spacing-md)}.text-center{text-align:center}.text-primary{color:var(--color-primary)}.text-secondary{color:var(--color-secondary)}.btn{display:inline-flex;align-items:center;justify-content:center;padding:var(--spacing-sm) var(--spacing-lg);border-radius:var(--radius-full);font-weight:500;cursor:pointer;transition:all .2s ease;border:none;text-decoration:none;font-size:.95rem}.btn-primary{background-color:var(--color-primary);color:#fff}.btn-primary:hover{background-color:var(--color-primary-dark)}.btn-outline{background-color:transparent;border:1px solid var(--color-border);color:var(--color-text)}.btn-outline:hover{background-color:var(--color-surface);border-color:var(--color-primary);color:var(--color-primary)}.card{background-color:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--spacing-lg);transition:transform .2s,box-shadow .2s}.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md)}.grid-cols-2{display:grid;grid-template-columns:1fr;gap:var(--spacing-lg)}@media(min-width:768px){.grid-cols-2{grid-template-columns:repeat(2,1fr)}}