:root{--background:#fdfdfd;--foreground:#111;--primary:#1e40af;--primary-hover:#1e3a8a;--secondary:#f3f4f6;--secondary-text:#4b5563;--border:#e5e7eb;--success:#10b981;--error:#ef4444;--gold:#f59e0b;--silver:#9ca3af;--bronze:#b45309;--font-sans:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif}html,body{box-sizing:border-box;background-color:var(--background);color:var(--foreground);font-family:var(--font-sans);margin:0;padding:0;line-height:1.5}*,:before,:after{box-sizing:inherit}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}button{cursor:pointer;font-family:inherit}.btn{border:none;border-radius:6px;justify-content:center;align-items:center;padding:.75rem 1.5rem;font-size:1rem;font-weight:500;text-decoration:none;transition:all .2s;display:inline-flex}.btn-primary{background-color:var(--primary);color:#fff}.btn-primary:hover{background-color:var(--primary-hover);text-decoration:none}.btn-secondary{background-color:var(--secondary);color:var(--foreground)}.btn-secondary:hover{background-color:#e5e7eb;text-decoration:none}.container{max-width:1200px;margin:0 auto;padding:0 1.5rem}.section{padding:4rem 0}.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-between{justify-content:space-between}.justify-center{justify-content:center}.gap-2{gap:.5rem}.gap-4{gap:1rem}.gap-8{gap:2rem}.grid{display:grid}.grid-cols-2{grid-template-columns:repeat(2,1fr)}.grid-cols-3{grid-template-columns:repeat(3,1fr)}@media (max-width:768px){.grid-cols-2,.grid-cols-3{grid-template-columns:1fr}}h1,h2,h3,h4{margin-top:0;margin-bottom:1rem;line-height:1.2}.text-center{text-align:center}.text-muted{color:var(--secondary-text)}.text-lg{font-size:1.125rem}.text-xl{font-size:1.25rem}.text-3xl{font-size:1.875rem}.text-5xl{font-size:3rem;font-weight:700}.input-group{margin-bottom:1rem}.input-group label{margin-bottom:.5rem;font-weight:500;display:block}.input-group input,.input-group select,.input-group textarea{border:1px solid var(--border);border-radius:6px;width:100%;padding:.75rem;font-family:inherit;font-size:1rem}.input-group input:focus,.input-group select:focus,.input-group textarea:focus{border-color:var(--primary);outline:none;box-shadow:0 0 0 3px #1e40af1a}.card{border:1px solid var(--border);background:#fff;border-radius:8px;padding:1.5rem;box-shadow:0 1px 3px #0000000d}.nav-header{border-bottom:1px solid var(--border);background:#fff;padding:1rem 0}.nav-header .container{justify-content:space-between;align-items:center;display:flex}.nav-logo{color:var(--primary);font-size:1.5rem;font-weight:700}.nav-links{align-items:center;gap:1.5rem;display:flex}.nav-links a{color:var(--foreground);font-weight:500}.nav-links a:hover{color:var(--primary);text-decoration:none}