/* Transitions de sections et de dialogs; aucune attente forcée avant navigation. */
html{scroll-behavior:smooth;scroll-padding-top:84px;}
.sn-section-arrive{animation:sn-section-arrive .56s cubic-bezier(.22,1,.36,1) both;}
dialog[open]{animation:sn-dialog-in .36s cubic-bezier(.22,1,.36,1) both;}
dialog::backdrop{background:rgba(42,15,29,.28);backdrop-filter:blur(3px);animation:sn-backdrop-in .32s ease both;}
.sn-window-opening .water-bubble{opacity:.1;}
@keyframes sn-section-arrive{from{filter:brightness(.985);transform:translateY(5px)}to{filter:brightness(1);transform:translateY(0)}}
@keyframes sn-dialog-in{from{opacity:0;transform:translateY(12px) scale(.985)}to{opacity:1;transform:translateY(0) scale(1)}}
@keyframes sn-backdrop-in{from{opacity:0}to{opacity:1}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.sn-section-arrive,dialog[open],dialog::backdrop{animation:none!important}}