:root{--primary: #2563eb;--primary-dark: #1d4ed8;--secondary: #475569;--background: #f8fafc;--surface: #ffffff;--text: #0f172a;--text-light: #64748b;--accent: #0ea5e9;--success: #10b981}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Inter,system-ui,-apple-system,sans-serif;background-color:var(--background);color:var(--text);line-height:1.6}a{text-decoration:none;color:inherit}button{cursor:pointer;border:none;font-family:inherit}.container{max-width:1200px;margin:0 auto;padding:0 2rem}.btn{display:inline-flex;align-items:center;justify-content:center;padding:.75rem 1.5rem;border-radius:.5rem;font-weight:600;transition:all .2s}.btn-primary{background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;box-shadow:0 4px 6px -1px #2563eb33}.btn-primary:hover{transform:translateY(-1px);box-shadow:0 6px 8px -1px #2563eb4d}.card{background:var(--surface);border-radius:1rem;padding:2rem;box-shadow:0 4px 6px -1px #0000000d;border:1px solid rgba(0,0,0,.05)}h1,h2,h3{line-height:1.2;font-weight:700}h1{font-size:3rem;margin-bottom:1.5rem;letter-spacing:-.02em}h2{font-size:2.25rem;margin-bottom:1rem;letter-spacing:-.01em}.form-label{display:block;margin-bottom:.5rem;font-weight:500;color:var(--secondary)}.form-input{width:100%;padding:.75rem;border:1px solid #e2e8f0;border-radius:.5rem;font-size:1rem;transition:border-color .2s}.form-input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px #2563eb1a}@media (max-width: 768px){.container{padding:0 1rem}h1{font-size:2rem;margin-bottom:1rem}h2{font-size:1.75rem;margin-bottom:.75rem}h3{font-size:1.25rem;margin-bottom:.5rem}.card{padding:1.25rem}.btn{padding:.625rem 1.25rem;font-size:.9rem}}@media (max-width: 480px){.container{padding:0 .75rem}h1{font-size:1.75rem}h2{font-size:1.5rem}h3{font-size:1.125rem}}