:root{--color-primary: 215 28% 17%;--color-primary-light: 215 28% 25%;--color-accent: 38 92% 50%;--color-bg-body: 210 20% 98%;--color-bg-card: 0 0% 100%;--color-text-main: 215 20% 12%;--color-text-muted: 215 10% 45%;--color-border: 215 15% 90%;--font-sans: "Inter", system-ui, -apple-system, sans-serif;--radius-sm: .375rem;--radius-md: .5rem;--radius-lg: .75rem;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .1), 0 2px 4px -2px rgb(0 0 0 / .1);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .1), 0 4px 6px -4px rgb(0 0 0 / .1);--container-width: 1200px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-sans);background-color:hsl(var(--color-bg-body));color:hsl(var(--color-text-main));line-height:1.5;-webkit-font-smoothing:antialiased}button{cursor:pointer;border:none;font-family:inherit}input,select,textarea{font-family:inherit}.container{max-width:var(--container-width);margin:0 auto;padding:0 1rem}.btn{display:inline-flex;align-items:center;justify-content:center;padding:.5rem 1rem;border-radius:var(--radius-md);font-weight:500;transition:all .2s ease}.btn-primary{background-color:hsl(var(--color-primary));color:#fff}.btn-primary:hover{background-color:hsl(var(--color-primary-light));transform:translateY(-1px)}.card{background:hsl(var(--color-bg-card));border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);border:1px solid hsl(var(--color-border));padding:1.5rem}.mobile-menu-btn{display:none}.desktop-nav{display:flex;gap:1.5rem;align-items:center}@media(max-width:768px){.mobile-menu-btn{display:block;margin-left:auto;padding:.5rem;background:none;font-size:1.5rem}.desktop-nav{display:none;position:absolute;top:100%;left:0;right:0;background:#fff;flex-direction:column;padding:1rem;border-bottom:1px solid var(--color-border);box-shadow:var(--shadow-md);z-index:100}.desktop-nav.open{display:flex}}