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@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}.light{display:none}}@media(prefers-reduced-transparency:reduce){.card,.row,.callout,.page{background:#fdfefe;backdrop-filter:none}.ambient{opacity:.3}}

.slide.video-slide{padding:0!important;gap:0!important;min-height:0;overflow:hidden}

.cover-logo{mix-blend-mode:multiply;width:clamp(200px,27vw,470px)}
@media(max-width:700px){.cover-logo{width:250px;max-width:calc(100vw - 60px)}}

/* Pointer-reactive glass: local lighting, a beveled edge and restrained depth. */
#deck{z-index:1}
.surface{position:relative;isolation:isolate;--local-x:50%;--local-y:35%;--tilt-x:0deg;--tilt-y:0deg;--cast-x:0px;--cast-y:14px;transform:perspective(1200px) rotateX(0deg) rotateY(0deg) translateY(0);transition:transform .5s cubic-bezier(.2,.75,.2,1),box-shadow .4s ease,border-color .35s ease;box-shadow:0 14px 32px -23px rgba(39,65,108,.30),0 2px 6px -4px rgba(54,83,134,.12),inset 0 1px 0 rgba(255,255,255,.98),inset 0 -1px 0 rgba(137,166,203,.10)}
.surface>*{position:relative;z-index:1}
.surface::after{content:"";position:absolute;inset:0;z-index:0;border-radius:inherit;pointer-events:none;background:radial-gradient(ellipse 330px 240px at var(--local-x) var(--local-y),rgba(255,255,255,.98) 0%,rgba(220,236,255,.48) 28%,rgba(244,226,190,.23) 48%,transparent 74%);opacity:0;transition:opacity .35s ease}
.surface::before{content:"";position:absolute;inset:0;z-index:3;border-radius:inherit;padding:1.6px;pointer-events:none;background:radial-gradient(ellipse 230px 170px at var(--local-x) var(--local-y),#fff 0%,#d7b56f 24%,#9fc5f2 48%,rgba(216,227,242,.14) 80%);-webkit-mask:linear-gradient(#fff 0 0) content-box,linear-gradient(#fff 0 0);-webkit-mask-composite:xor;mask:linear-gradient(#fff 0 0) content-box,linear-gradient(#fff 0 0);mask-composite:exclude;opacity:.22;transition:opacity .3s ease}
.surface.lit{z-index:2;border-color:rgba(205,221,241,.95);transform:perspective(1200px) rotateX(var(--tilt-x)) rotateY(var(--tilt-y)) translateY(-3px);box-shadow:var(--cast-x) var(--cast-y) 42px -17px rgba(54,83,128,.29),0 4px 12px -6px rgba(67,91,132,.19),inset 0 1px 0 #fff,inset 0 -1px 0 rgba(129,165,213,.17);transition:transform .16s ease-out,box-shadow .2s ease-out,border-color .2s ease}
.surface.lit::after{opacity:.92}.surface.lit::before{opacity:1}
.card.surface{background:linear-gradient(145deg,rgba(255,255,255,.85),rgba(235,242,251,.42))}
.row.surface{background:linear-gradient(125deg,rgba(255,255,255,.70),rgba(241,246,253,.44))}
.game-preview.surface::after{z-index:2;background:radial-gradient(ellipse 280px 200px at var(--local-x) var(--local-y),rgba(255,255,255,.2),transparent 75%)}
#cursor-aura{position:fixed;left:0;top:0;width:280px;height:280px;margin:-140px 0 0 -140px;transform:translate3d(var(--cursor-x,-400px),var(--cursor-y,-400px),0);z-index:0;pointer-events:none;border-radius:50%;background:radial-gradient(circle,rgba(253,246,220,.53) 0%,rgba(190,219,251,.26) 32%,rgba(195,213,244,.09) 55%,transparent 72%);opacity:0;transition:opacity .3s ease;filter:blur(3px)}
.pointer-active #cursor-aura{opacity:1}
#pointer-gold{position:fixed;inset:0;z-index:9;pointer-events:none;opacity:.85}
.cover:after{background:radial-gradient(circle at 26% 20%,rgba(255,255,255,.85),rgba(212,229,250,.30) 39%,rgba(234,218,189,.19) 67%,rgba(255,255,255,.13) 82%);transform:translate3d(var(--cover-x,0px),var(--cover-y,0px),0) rotate(-12deg);border-color:rgba(255,255,255,.95);box-shadow:inset 9px 11px 25px rgba(255,255,255,.65),inset -12px -16px 40px rgba(122,157,205,.16),-25px 35px 85px rgba(94,124,169,.17),0 0 0 14px rgba(255,255,255,.12);transition:transform .5s cubic-bezier(.2,.75,.2,1)}
.cover h1 em{background:linear-gradient(110deg,#345f9d 10%,#5b85be 42%,#3f6497 68%,#a4906d 95%);background-size:160% 100%;background-position:var(--mx,50%) center;background-clip:text;-webkit-background-clip:text;color:transparent}
.slide.entering{animation:page-arrive .58s cubic-bezier(.16,.8,.18,1) both}
@keyframes page-arrive{from{opacity:0;transform:translate3d(calc(var(--slide-direction,1)*34px),8px,0) scale(.994)}to{opacity:1;transform:translate3d(0,0,0) scale(1)}}
.slide.entering .slide-head{animation:heading-arrive .7s cubic-bezier(.16,.8,.18,1) both}
@keyframes heading-arrive{from{opacity:0;transform:translateY(11px)}to{opacity:1;transform:none}}
.page{transition:transform .25s ease,box-shadow .25s ease,background .25s ease}.page:hover{transform:translateY(-2px);background:#ffffffce;box-shadow:0 8px 23px -9px #44659755}.page:active{transform:translateY(0) scale(.96)}
@media(hover:none),(pointer:coarse){#cursor-aura,#pointer-gold{display:none}.surface::before{animation:glass-breathe 6s ease-in-out infinite;opacity:.25}.surface:nth-child(2n)::before{animation-delay:-2s}.surface:nth-child(3n)::before{animation-delay:-4s}.surface.pressed{transform:perspective(1200px) scale(.988) translateY(1px);box-shadow:0 5px 13px -9px #31517455;transition:transform .13s ease,box-shadow .13s ease}.surface.pressed::after{opacity:.72}.cover:after{animation:cover-breathe 7s ease-in-out infinite}}
@keyframes glass-breathe{0%,100%{opacity:.20}50%{opacity:.62}}
@keyframes cover-breathe{0%,100%{transform:translateY(0) rotate(-12deg)}50%{transform:translateY(-7px) rotate(-10deg)}}
@media(prefers-reduced-motion:reduce){#cursor-aura,#pointer-gold{display:none!important}.surface,.surface.lit,.surface.pressed,.cover:after{transform:none!important}.surface::after{opacity:0!important}.surface::before{opacity:.22!important}.slide.entering,.slide.entering .slide-head{animation:none!important}.page:hover,.page:active{transform:none!important}}