:root {  color-scheme: light; }  html, body { min-height: 100%; }  .header { padding-top: env(safe-area-inset-top); } .footer { padding-bottom: env(safe-area-inset-bottom); }  .hero, .section--fullscreen {  min-height: 100svh;  min-height: 100dvh;  display: flex; align-items: center; }