body, html {
  margin: 0;
  padding: 0;
  font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
  height: 100%;          /* ensures full-page sections like hero work */
  width: 100%;
  background-color: white; /* or black for landing page as needed */
  color: #111;             /* default text color */
  scroll-behavior: smooth;
}