*{margin:0;padding:0;box-sizing:border-box}html{font-size:16px;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}:root{--primary: #e53935;--secondary: #ffb300;--background: #f5f5f5;--text: #333}body{font-family:Roboto,sans-serif;background-color:var(--background);color:var(--text);line-height:1.5;min-height:100vh}img{max-width:100%;height:auto;display:block}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}.container{width:100%;max-width:1200px;margin:auto;padding:1rem}button{cursor:pointer;border:none;border-radius:8px;background-color:var(--primary);color:#fff;padding:.6rem 1rem;font-size:1rem;transition:background-color .3s ease}button:hover{background-color:#c62828}@media (min-width: 768px){.container{padding:2rem}}@media (min-width: 1024px){html{font-size:18px}}