/* Clip decorative overflow without creating a scroll container around the sticky tour.
   Keep native vertical swipes and accessibility pinch zoom on both pages. */
html,body{overflow-x:clip;overscroll-behavior-x:none;touch-action:pan-y pinch-zoom}
/* Quiet depth behind the artwork and controls. No full-screen filters or canvas. */
.space-atmosphere{position:fixed;inset:0;z-index:2;overflow:hidden;pointer-events:none;contain:layout paint}
.enhanced-ascent .space-atmosphere{position:absolute}
.space-vignette{position:absolute;inset:0;background:radial-gradient(ellipse at 50% 48%,transparent 42%,rgba(3,7,15,.64) 100%);box-shadow:inset 0 0 75px 16px #02061050}
.chapter{z-index:3}
.space-mote{position:absolute;left:var(--x);top:var(--y);width:var(--size);height:var(--size);border-radius:50%;background:#e9f5be;box-shadow:0 0 6px 2px #e7f5aa80,0 0 19px 6px #ceeac238;opacity:0;animation:mote-drift var(--duration) ease-in-out var(--delay) infinite;animation-play-state:paused}
.space-mote:nth-of-type(3n){background:#d2e7f2;box-shadow:0 0 6px 2px #c7e8f078,0 0 19px 6px #acd6eb36}
.atmosphere-awake .space-mote{animation-play-state:running}
@keyframes mote-drift{0%,100%{opacity:0;transform:translate3d(0,18px,0) scale(.75)}18%{opacity:.8}42%{opacity:.35;transform:translate3d(var(--dx),calc(var(--dy)*.45),0) scale(1)}65%{opacity:.95;transform:translate3d(calc(var(--dx)*-.35),calc(var(--dy)*.75),0) scale(.85)}88%{opacity:0;transform:translate3d(calc(var(--dx)*.65),var(--dy),0) scale(.7)}}
.low-motion .space-mote{animation:none;opacity:.45}
.postcards-page{isolation:isolate}.postcards-page>.space-atmosphere{z-index:0}
.postcards-page>main,.postcards-page>.site-footer{position:relative;z-index:1}
.invitation .small-note{max-width:350px;font-size:12px;line-height:1.6;text-wrap:pretty}
.postcards-page .experience-controls{bottom:max(12px,calc(env(safe-area-inset-bottom) + 8px));right:max(10px,env(safe-area-inset-right));max-width:calc(100vw - 20px)}
@media(max-width:700px){.space-mote:nth-of-type(n+17){display:none}.space-vignette{background:radial-gradient(ellipse at 50% 48%,transparent 38%,rgba(3,7,15,.66) 100%);box-shadow:inset 0 0 42px 8px #02061050}.invitation .small-note{max-width:280px;font-size:11px}}
@media(prefers-reduced-motion:reduce){.space-mote{animation:none;opacity:.45}}