html { scroll-behavior: smooth; }
body { margin: 0; min-width: 320px; background: #f8fafc; color: #0f172a; font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
img { max-width: 100%; }