/* Sections remain visible unless the scroll observer is ready. */
.section-reveal{opacity:0}
.section-reveal.is-revealed{opacity:1;animation:section-opening 1500ms cubic-bezier(.22,.61,.36,1)}
@keyframes section-opening{
 from{opacity:0;transform:translateY(26px);clip-path:inset(0 0 100% 0)}
 to{opacity:1;transform:translateY(0);clip-path:inset(0 0 0 0)}
}
@media(prefers-reduced-motion:reduce){
 .section-reveal{opacity:1}
 .section-reveal.is-revealed{animation:none}
}