:root{--background: #fdfdfd;--foreground: #1a1a1a;--primary: #e60000;--primary-hover: #cc0000;--secondary: #ffffff;--border: #e5e5e5;--text-muted: #666666}*{box-sizing:border-box;padding:0;margin:0}html,body{max-width:100vw;overflow-x:hidden;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;background-color:var(--background);color:var(--foreground)}a{color:inherit;text-decoration:none}button{cursor:pointer;font-family:inherit}.container{max-width:1200px;margin:0 auto;padding:0 2rem}.btn{background:var(--primary);color:#fff;border:none;padding:.75rem 1.5rem;font-weight:600;text-transform:uppercase;letter-spacing:1px;transition:background .3s}.btn:hover{background:var(--primary-hover)}.btn-outline{background:transparent;border:1px solid var(--primary);color:var(--primary)}.btn-outline:hover{background:var(--primary);color:#fff}.card{background:var(--secondary);border:1px solid var(--border);padding:1.5rem;box-shadow:0 2px 4px #0000000d}.input{width:100%;padding:.75rem;background:#fff;border:1px solid #ccc;color:var(--foreground);margin-bottom:1rem}.input:focus{outline:none;border-color:var(--primary)}.grid-products{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:2rem}nav{border-bottom:1px solid var(--border);padding:1.5rem 0;background:#ffffffe6;position:sticky;top:0;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);z-index:100}.nav-content{display:flex;justify-content:space-between;align-items:center}.logo{font-size:1.5rem;font-weight:700;color:var(--primary);text-transform:uppercase;letter-spacing:2px}.nav-links{display:flex;gap:2rem}.nav-links a:hover{color:var(--primary)}.hero{padding:4rem 0;text-align:center;border-bottom:1px solid var(--border);background:#fafafa}.hero h1{font-size:3rem;margin-bottom:1.5rem;color:var(--primary)}.hero p{max-width:800px;margin:0 auto;line-height:1.6;color:var(--foreground)}