.stack-demo{margin:0 var(--gutter);padding:64px clamp(30px,5vw,80px);background:oklch(90% .018 74);display:grid;grid-template-columns:1fr 1fr;gap:clamp(45px,6vw,100px);align-items:center;overflow:hidden;min-height:720px}
.stack-intro h2{font-size:clamp(36px,3.9vw,60px);line-height:1.09;font-weight:400;letter-spacing:-.045em}
.stack-summary{max-width:29ch;font-size:17px;line-height:1.7;margin-top:25px;color:oklch(44% .01 60)}
.stack-controls{display:flex;align-items:center;gap:25px;margin-top:42px}
.stack-controls button{display:grid;place-items:center;width:52px;height:52px;border:1px solid oklch(58% .015 65);border-radius:50%;background:transparent;transition:background .25s,color .25s,transform .25s}
.stack-controls button span{font-size:25px;line-height:1;transition:transform .3s var(--ease)}
.stack-controls button:hover{background:var(--graphite);color:var(--ivory)}
#stack-next:hover span{transform:translateX(3px)}
#stack-prev:hover span{transform:translateX(-3px)}
.stack-controls button:active{transform:scale(.94)}
#stack-count{font-size:14px;font-variant-numeric:tabular-nums;min-width:55px}
#stack-count span{color:oklch(51% .01 60)}
.stack-dots{display:flex;gap:3px;margin-top:20px}
.stack-dots button{width:38px;height:28px;border:0;background:none;position:relative}
.stack-dots button::after{content:'';position:absolute;inset:12px 4px;background:oklch(70% .015 65);transition:background .25s}
.stack-dots button[aria-pressed=true]::after{background:var(--oxide)}
.stack-hint{font-size:12px;line-height:1.6;color:oklch(47% .01 60);margin-top:15px;max-width:29ch}
.deck-space{padding:18px 20px 22px 5px;min-width:0}
.stat-deck{position:relative;height:490px;isolation:isolate;touch-action:pan-y;cursor:grab;-webkit-user-select:none;user-select:none;outline-offset:30px!important}
.stat-deck.dragging{cursor:grabbing}
.stat-card{position:absolute;inset:0;border-radius:7px;padding:34px;display:flex;flex-direction:column;box-shadow:0 22px 35px -23px oklch(24% .01 60 / .5);backface-visibility:hidden;transform-origin:50% 65%;will-change:transform}
.stat-card[data-rank="0"]{transform:translate(0,0) rotate(0deg);z-index:3}
.stat-card[data-rank="1"]{transform:translate(-10px,7px) rotate(-5deg) scale(.98);z-index:2}
.stat-card[data-rank="2"]{transform:translate(15px,8px) rotate(6deg) scale(.96);z-index:1}
.card-oxide{background:var(--oxide);color:var(--ivory)}
.card-graphite{background:var(--graphite);color:var(--ivory)}
.card-ivory{background:var(--ivory);color:var(--graphite)}
.card-top{display:flex;justify-content:space-between;gap:20px;font-size:10px;letter-spacing:.07em;opacity:.8}
.card-value{font-size:clamp(96px,9.7vw,150px);line-height:1;letter-spacing:-.07em;margin-top:35px;font-variant-numeric:tabular-nums}
.card-value>span{font-size:.62em;vertical-align:top;display:inline-block;padding-top:.1em}
.card-copy{margin-top:auto;padding-top:30px}
.card-copy h3{font-size:28px;font-weight:400;letter-spacing:-.035em;margin-bottom:15px}
.card-copy p{font-size:16px;line-height:1.7;max-width:30ch;opacity:.85}
.card-foot{display:flex;justify-content:space-between;align-items:center;border-top:1px solid currentColor;padding-top:17px;margin-top:28px;font-size:10px;opacity:.7}
.card-foot>span:last-child{font-size:20px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
@media(max-width:1000px){.stack-demo{gap:35px;padding:45px 30px}
.stat-card{padding:27px}
.card-copy h3{font-size:25px}
.card-copy p{font-size:15px}
.stat-deck{height:460px}}
@media(max-width:720px){.stack-demo{grid-template-columns:1fr;padding:38px 28px 45px;gap:32px}
.stack-intro h2{font-size:40px}
.stack-summary{font-size:16px;max-width:32ch}
.stack-controls{margin-top:25px}
.stack-dots{margin-top:12px}
.stack-hint{max-width:none;margin-top:9px}
.deck-space{padding:12px 8px 18px}
.stat-deck{height:450px;max-width:460px;margin:auto}
.card-value{font-size:110px}
.card-copy{padding-top:20px}
.card-top{font-size:9px}
.card-copy h3{font-size:26px}}
@media(max-width:380px){.stack-demo{padding-left:20px;padding-right:20px}
.stat-card{padding:23px}
.stat-deck{height:490px}
.card-value{font-size:95px}
.card-copy h3{font-size:23px}
.card-copy p{font-size:14px}
.card-foot{font-size:9px}
.stack-intro h2{font-size:35px}}
@media(prefers-reduced-motion:reduce){.stack-demo *{transition:none!important}.stat-card{will-change:auto}}
.stack-demo .eyebrow{display:block;font-size:11px;letter-spacing:.1em;margin-bottom:24px;line-height:1.65}
.stack-demo button{font:inherit;cursor:pointer;color:inherit}
.stack-demo :is(button,.stat-deck):focus-visible{outline:2px solid var(--oxide);outline-offset:7px}
.stack-demo{--ease:cubic-bezier(.22,1,.36,1)}
/* Keep the visual dots small while giving touch users a comfortable target. */
@media(pointer:coarse){.stack-dots button{width:44px;height:44px}}