html { scroll-behavior: smooth; }
    body { font-family: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, Cantarell, 'Helvetica Neue', Arial, 'Noto Sans', 'Apple Color Emoji', 'Segoe UI Emoji'; }
    .glass { backdrop-filter: blur(8px); background: rgba(255,255,255,0.7); }
    .gradient { background: radial-gradient(1000px 400px at 10% 10%, rgba(59,130,246,.25), transparent),
                         radial-gradient(800px 300px at 90% 20%, rgba(16,185,129,.25), transparent),
                         radial-gradient(1200px 500px at 50% 100%, rgba(99,102,241,.2), transparent); }

#mobileNav {
    animation: show 0.3s ease-out forwards;
}