:root{--primary:#6366f1;--primary-dark:#4f46e5;--secondary:#ec4899;--background:#fff;--foreground:#1f2937;--muted:#6b7280;--border:#e5e7eb;--card-bg:#f9fafb}*{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;line-height:1.6;color:var(--foreground);background-color:var(--background)}a{color:inherit;text-decoration:none}button{cursor:pointer;font-family:inherit}.container{max-width:1200px;margin:0 auto;padding:0 1rem}.navbar{display:flex;justify-content:space-between;align-items:center;padding:1rem 0;border-bottom:1px solid var(--border)}.nav-brand{font-size:1.5rem;font-weight:700;color:var(--primary)}.nav-links{display:flex;gap:1.5rem}.nav-link{color:var(--foreground);transition:color .2s}.nav-link:hover{color:var(--primary)}.card{background:var(--card-bg);border-radius:.5rem;padding:1.5rem;border:1px solid var(--border);transition:box-shadow .2s}.card:hover{box-shadow:0 4px 6px -1px rgba(0,0,0,.1)}.btn{display:inline-flex;align-items:center;justify-content:center;padding:.5rem 1rem;border-radius:.375rem;font-weight:500;transition:all .2s;border:none}.btn-primary{background-color:var(--primary);color:#fff}.btn-primary:hover{background-color:var(--primary-dark)}.btn-secondary{background-color:var(--secondary);color:#fff}.section{padding:3rem 0}.section-title{font-size:1.75rem;font-weight:700;margin-bottom:1.5rem}.grid{display:grid;grid-gap:1.5rem;gap:1.5rem}.grid-cols-2{grid-template-columns:repeat(2,1fr)}.grid-cols-3{grid-template-columns:repeat(3,1fr)}.grid-cols-4{grid-template-columns:repeat(4,1fr)}@media (max-width:768px){.grid-cols-2,.grid-cols-3,.grid-cols-4{grid-template-columns:1fr}}.form-group{margin-bottom:1rem}.form-label{display:block;margin-bottom:.5rem;font-weight:500}.form-input{width:100%;padding:.625rem;border:1px solid var(--border);border-radius:.375rem;font-size:1rem}.form-input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(99,102,241,.1)}