:root{--brand-700: #1b5eb5;--brand-600: #1976d2;--brand-500: #42a5f5;--accent-500: #009688;--accent-400: #26a69a;--text-900: #10233c;--text-800: #22354a;--text-700: #455a64;--text-600: #6a7d88;--surface-0: #ffffff;--surface-50: #f7fbff;--surface-100: #eef4fa;--font-ui: "Segoe UI Variable", "Segoe UI", Tahoma, Arial, sans-serif;--font-heading: "Segoe UI Variable", "Segoe UI", Tahoma, Arial, sans-serif}*,*:before,*:after{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:var(--font-ui);color:var(--text-900);background:var(--surface-100);line-height:1.6;text-rendering:optimizeLegibility}a{color:inherit;text-decoration:none}img{display:block;max-width:100%}button{font-family:inherit}