/* Scroll-driven product tour. Content remains readable without JavaScript. */
.filter-story{background:#0a2923;color:#f8f6f0;position:relative;scroll-margin-top:0;--tour-progress:0;--open:0}
.filter-sticky{position:relative;padding:26px 6.3vw 30px;overflow:hidden;background:radial-gradient(ellipse at 74% 44%,#245b48 0%,#123d32 33%,#0a2923 70%)}
.filter-atmosphere{position:absolute;inset:0;pointer-events:none;overflow:hidden}.filter-atmosphere i{position:absolute;width:70vw;height:70vw;right:-20vw;top:-20vw;border:1px solid #d3b77c13;border-radius:43% 57% 54% 46%;transform:rotate(35deg)}.filter-atmosphere i:nth-child(2){width:90vw;height:90vw;right:-30vw;top:-30vw}.filter-atmosphere i:nth-child(3){width:110vw;height:110vw;right:-40vw;top:-40vw}
.filter-topline{position:relative;z-index:3;display:flex;align-items:center;justify-content:space-between;gap:20px;border-bottom:1px solid #c4d5c51f;padding-bottom:17px;font-size:9px;letter-spacing:.16em;color:#c1d3c5}.filter-topline b{font-weight:400;color:#c5ab75;margin-inline:8px}.filter-topline a{font-size:10px;letter-spacing:0;color:#d3dacf}.filter-topline a span{margin-left:9px;color:var(--gold)}
.filter-layout{display:grid;grid-template-columns:1fr 1.15fr;position:relative;z-index:1;gap:5vw;align-items:center}.filter-copy{position:relative;z-index:2}.filter-frame{padding:40px 0}.filter-frame h2{font-size:clamp(40px,4.8vw,72px);line-height:1.06;letter-spacing:-.045em;margin-bottom:26px}.filter-frame h2 em{color:#d6bb83}.filter-frame>p:not(.eyebrow){font-size:15px;line-height:1.85;max-width:395px;color:#cad9cc}.filter-frame .eyebrow{font-size:10px;margin-bottom:22px}.water-topics{display:flex;gap:8px;flex-wrap:wrap;margin-top:26px}.water-topics span{border:1px solid #cfddcb38;color:#dce4d7;border-radius:30px;font-size:10px;padding:6px 13px}.filter-frame .filter-hint{margin:30px 0 0;font-size:11px!important;color:#b4c9b8!important;display:flex;align-items:center;gap:30px}.filter-hint span{font-size:24px;color:var(--gold)}.filter-function{display:inline-block;color:#d5bd8e;font-size:9px;letter-spacing:.12em;border-top:1px solid #c8d8bb33;padding-top:18px;margin-top:10px}.filter-frame .text-link{margin-top:15px}
.filter-visual{position:relative;min-height:500px;align-self:stretch;pointer-events:none}.filter-glow{position:absolute;inset:10% -5% 5%;background:radial-gradient(ellipse,#a4c9a11b,transparent 65%);border-radius:50%}#filter-canvas{position:absolute;inset:0;z-index:2}#filter-canvas canvas{width:100%;height:100%;display:block}.material-caption{position:absolute;left:50%;bottom:45px;transform:translateX(-50%);white-space:nowrap;background:#062019b3;border:1px solid #c8d6ad24;border-radius:24px;display:flex;align-items:center;gap:8px;padding:7px 13px;color:#d2d9c7;font-size:9px;letter-spacing:.13em;z-index:3;backdrop-filter:blur(8px)}.material-dot{width:5px;height:5px;background:var(--gold);border-radius:50%;box-shadow:0 0 10px var(--gold)}.filter-diagram-note{position:absolute;bottom:7px;left:0;right:0;text-align:center;color:#b3c7b4;font-size:9px;z-index:3;margin:0}
.filter-bottom{position:relative;z-index:4;display:flex;justify-content:space-between;align-items:center;border-top:1px solid #c8d6ba26;padding-top:19px;gap:20px}.filter-navigation{display:flex;align-items:center;gap:8px}.filter-navigation button,.filter-next{color:#c6d7c8;border:1px solid #d0dbbc29;background:transparent;font:500 11px var(--sans);height:37px;min-width:37px;cursor:pointer;border-radius:50%;padding:0 8px;transition:background .2s,color .2s,border-color .2s}.filter-navigation button[data-go="0"],.filter-navigation button[data-go="1"]{border-radius:30px;padding-inline:15px}.filter-navigation button[aria-pressed="true"]{background:#d3b77c;color:#152f24;border-color:#d3b77c}.filter-navigation button:hover{border-color:#ddc18b}.filter-nav-line{width:24px;height:1px;background:#c8d6ba45;margin-inline:5px}.filter-next{display:flex;align-items:center;gap:25px;border:0;border-radius:0;font-size:12px;padding:0}.filter-next span{font-size:20px;color:var(--gold)}.filter-progress{position:absolute;left:0;right:0;bottom:0;height:3px;background:#d1d9c814;z-index:4}.filter-progress span{display:block;height:100%;width:100%;transform:scaleX(var(--tour-progress));transform-origin:left;background:linear-gradient(90deg,#759b7e,#d3b77c)}
.filter-fallback{position:absolute;left:50%;top:50%;width:132px;transform:translate(-50%,-52%);z-index:1}.fallback-head{width:99px;height:58px;border-radius:12px 12px 7px 7px;background:linear-gradient(105deg,#050c0b,#37423d 55%,#070e0b);margin:auto;position:relative;border:1px solid #718374}.fallback-head span{position:absolute;left:28px;top:10px;font:7px monospace;background:#a5cbbb;color:#183e31;padding:5px 9px}.fallback-tank{height:290px;border-radius:34px 34px 16px 16px;background:linear-gradient(90deg,#5b6e66,#d9e1db 20%,#879e90 30%,#172f23 48%,#92a99a 90%,#cdd8cf);position:relative;overflow:hidden;border:1px solid #c5bb8d}.fallback-shell{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:linear-gradient(90deg,#50655a,#c0cfc4 15%,#f9fff7 23%,#b2c4b8 38%,#3c5748 65%,#728e7d 87%,#b3c4b5);opacity:calc(1 - var(--open));transition:opacity .4s}.fallback-shell span{writing-mode:vertical-rl;transform:rotate(180deg);font:bold 17px var(--sans);letter-spacing:3px;color:#214f3d}.fallback-media{position:absolute;inset:20px 16px 17px;display:flex;flex-direction:column-reverse;gap:3px;background:#16372a}.fallback-media i{height:16%;border-radius:50% / 15%;background:#aaa48c}.fallback-media i:nth-child(2){background:#72483a}.fallback-media i:nth-child(3){background:#bf8347}.fallback-media i:nth-child(4){background:#dbd39a}.fallback-media i:nth-child(5){background:#27302c}.fallback-media i:nth-child(6){background:#b69c50}.fallback-base{height:28px;border-radius:50%;background:linear-gradient(#26392f,#07130e);border:2px solid #b49c65;width:190px;position:relative;left:-29px;margin-top:-9px;z-index:-1}.has-webgl .filter-fallback{visibility:hidden}
.filter-story[data-enhanced]{height:650svh}.filter-story[data-enhanced] .filter-sticky{height:100svh;min-height:580px;position:sticky;top:0;display:flex;flex-direction:column}.filter-story[data-enhanced] .filter-layout{flex:1;min-height:0}.filter-story[data-enhanced] .filter-visual{min-height:0}.filter-story[data-enhanced] .filter-copy{height:390px}.filter-story[data-enhanced] .filter-frame{position:absolute;inset:0;padding:0;display:flex;flex-direction:column;justify-content:center;align-items:flex-start;opacity:0;visibility:hidden;transform:translateY(22px);transition:opacity .3s,transform .4s}.filter-story[data-enhanced] .filter-frame.is-active{opacity:1;visibility:visible;transform:translateY(0)}
.filter-story.is-reduced{height:auto}.filter-story.is-reduced .filter-sticky{position:relative;height:auto;min-height:700px}.filter-story.is-reduced .filter-layout{min-height:550px}
@media(max-width:980px){.filter-sticky{padding-inline:5vw}.filter-layout{grid-template-columns:1fr 1fr;gap:2vw}.filter-frame h2{font-size:49px}.filter-frame>p:not(.eyebrow){font-size:14px}.filter-frame .eyebrow{font-size:9px}.filter-navigation{gap:6px}.filter-navigation button{height:34px;min-width:34px;font-size:10px}.filter-nav-line{width:10px;margin:0}.filter-next{font-size:11px;gap:12px}}
@media(max-width:760px){.filter-story[data-enhanced]{height:540svh}.filter-sticky{padding:17px 22px 20px}.filter-story[data-enhanced] .filter-sticky{min-height:660px}.filter-topline{font-size:8px;letter-spacing:.09em;padding-bottom:13px}.filter-topline a{font-size:9px}.filter-topline b{margin-inline:3px}.filter-layout{display:flex;flex-direction:column;gap:0;align-items:stretch}.filter-visual{min-height:320px;order:0}.filter-copy{order:1}.filter-story[data-enhanced] .filter-visual{flex:1;min-height:260px}.filter-story[data-enhanced] .filter-copy{height:240px;flex:0 0 240px}.filter-frame{padding:25px 0}.filter-story[data-enhanced] .filter-frame{justify-content:center}.filter-frame h2{font-size:36px;line-height:1.04;margin:0 0 14px}.filter-frame h2 br{display:none}.filter-frame h2 em{display:block}.filter-frame .eyebrow{font-size:8px;letter-spacing:.15em;margin:0 0 12px}.filter-frame>p:not(.eyebrow){font-size:12px;line-height:1.7;margin-bottom:10px;max-width:540px}.water-topics{gap:6px;margin-top:4px}.water-topics span{font-size:8px;padding:4px 10px}.filter-frame .filter-hint{margin:12px 0 0;font-size:9px!important}.filter-function{font-size:8px;padding-top:10px;margin-top:6px}.filter-frame .text-link{font-size:11px;margin-top:6px}.filter-diagram-note{font-size:7px;bottom:0;white-space:nowrap}.material-caption{bottom:18px;font-size:7px;padding:5px 10px}.filter-bottom{padding-top:12px;gap:8px}.filter-navigation{gap:5px;width:100%;justify-content:space-between}.filter-navigation button{height:30px;min-width:30px;padding:0 5px;font-size:9px}.filter-navigation button[data-go="0"],.filter-navigation button[data-go="1"]{padding-inline:8px}.filter-nav-line{display:none}.filter-next{display:none}.filter-fallback{transform:translate(-50%,-53%) scale(.7);transform-origin:center}.filter-story.is-reduced{height:auto}.filter-story.is-reduced .filter-sticky{height:750px;min-height:750px}.filter-story.is-reduced .filter-layout{min-height:0}}
@media(max-height:700px) and (min-width:761px){.filter-story[data-enhanced] .filter-sticky{min-height:520px}.filter-frame h2{font-size:46px}.filter-frame>p:not(.eyebrow){font-size:13px}.filter-story[data-enhanced] .filter-copy{height:350px}.water-topics{margin-top:10px}.filter-frame .filter-hint{margin-top:15px}}
.filter-story[data-step="2"] .fallback-media i:nth-child(1),.filter-story[data-step="3"] .fallback-media i:nth-child(2),.filter-story[data-step="4"] .fallback-media i:nth-child(3),.filter-story[data-step="5"] .fallback-media i:nth-child(4),.filter-story[data-step="6"] .fallback-media i:nth-child(5),.filter-story[data-step="7"] .fallback-media i:nth-child(6){outline:2px solid #ffe0a1;box-shadow:0 0 18px #ffe0a144;z-index:1}
@media(prefers-reduced-motion:reduce){.filter-story[data-enhanced]{height:auto}.filter-story[data-enhanced] .filter-sticky{position:relative}.filter-story[data-enhanced] .filter-frame{transition:none;transform:none}.filter-progress{display:none}}

/* The two original products, framed from the supplied Renew Duo Pro image. */
.filter-story[data-enhanced]{height:750svh}.filter-layout{grid-template-columns:1fr 1.25fr;gap:3vw}#filter-canvas{inset:0 0 50px}.duo-scene{display:block;width:100%;height:100%;overflow:visible}.has-duo .filter-fallback{visibility:hidden}.original-fallback{width:74%;max-width:350px;transform:translate(-50%,-50%)}.original-fallback svg{display:block;width:100%;height:auto}.duo-cover{opacity:calc(1 - var(--duo-open,0));transition:opacity .3s}.duo-interior{opacity:var(--duo-open,0);transition:opacity .3s}.duo-stage-highlight rect{fill:#d3b77c;fill-opacity:0;stroke:#ffe3a3;stroke-width:3;stroke-opacity:0;transition:fill-opacity .3s,stroke-opacity .3s}.duo-stage-highlight rect.is-selected{fill-opacity:.14;stroke-opacity:1}.water-flow{animation:water-travel 1.4s linear infinite}.water-inner{animation-duration:2s;opacity:.85}.duo-paused .water-flow{animation-play-state:paused}.filter-navigation{gap:6px}.filter-nav-line{width:14px;margin:0}.filter-next{white-space:nowrap}.filter-diagram-note{white-space:normal;line-height:1.5;bottom:4px}.material-caption{bottom:28px}.filter-visual{min-width:0}@keyframes water-travel{to{stroke-dashoffset:-64}}
@media(max-width:1100px){.filter-next{display:none}.filter-navigation{width:100%;justify-content:center}.filter-navigation button{height:34px;min-width:34px}}
@media(max-width:760px){.filter-story[data-enhanced]{height:660svh}.filter-story[data-enhanced] .filter-sticky{min-height:720px;padding-inline:22px}.filter-story[data-enhanced] .filter-visual{min-height:290px}.filter-story[data-enhanced] .filter-copy{height:215px;flex-basis:215px}.filter-frame h2{font-size:33px}.filter-frame .filter-hint{margin-top:7px}.filter-bottom{padding-top:10px}.filter-navigation{display:grid;grid-template-columns:repeat(8,1fr);gap:6px}.filter-navigation button[data-go="0"],.filter-navigation button[data-go="1"]{grid-column:span 4;height:25px}.filter-navigation button{height:29px;min-width:0;width:100%;font-size:9px}.filter-topline{font-size:7px;gap:8px}.filter-topline a{font-size:8px}#filter-canvas{inset:0 0 37px}.material-caption{bottom:18px}.filter-diagram-note{bottom:0;font-size:7px}.original-fallback{width:180px;transform:translate(-50%,-53%)}.filter-story.is-reduced{height:auto}.filter-story.is-reduced .filter-sticky{height:auto;min-height:780px}.filter-story.is-reduced .filter-layout{min-height:600px}}
@media(prefers-reduced-motion:reduce){.filter-story[data-enhanced]{height:auto}.water-flow{animation:none}.duo-cover,.duo-interior,.duo-stage-highlight rect{transition:none}}
@media(max-width:760px){.filter-story[data-enhanced] .filter-copy{height:270px;flex-basis:270px}.filter-story[data-enhanced] .filter-sticky{min-height:760px}.filter-frame{padding-top:12px}.filter-story[data-enhanced] .filter-frame{padding-top:12px}.filter-story[data-enhanced] .filter-visual{min-height:290px}}

/* Interactive dimensional product view. Vertical gestures still scroll on phones. */
.filter-visual{pointer-events:auto}#filter-canvas{inset:5px 0 76px}#filter-canvas canvas{cursor:grab;touch-action:pan-y}#filter-canvas canvas.is-dragging{cursor:grabbing}.flow-legend{position:absolute;top:5px;left:3%;right:3%;display:flex;justify-content:space-between;gap:15px;pointer-events:none;font-size:9px;letter-spacing:.04em;color:#b7d0c4}.flow-legend>span{display:flex;align-items:center;gap:6px}.flow-legend i{height:5px;width:5px;border-radius:50%;background:#c69954;box-shadow:0 0 9px #b8914c66}.flow-legend>span:last-child i{background:#8ae6f0;box-shadow:0 0 9px #82e0f088}.scene-controls{position:absolute;bottom:-34px;left:50%;transform:translateX(-50%);display:flex;align-items:center;gap:6px;white-space:nowrap}.scene-controls>span{font-size:7px;letter-spacing:.1em;color:#9fb5a7;margin-right:7px}.scene-controls button{width:28px;height:28px;padding:0;border:1px solid #b9cbb633;border-radius:50%;background:#0c2a21aa;color:#d9dac4;font-size:17px;line-height:1;cursor:pointer}.scene-controls button:hover{background:#d3b77c;color:#14382b}.scene-controls button[data-water]{font-size:12px}.scene-controls button[aria-pressed="true"]{background:#d3b77c;color:#14382b}
@media(max-width:760px){#filter-canvas{inset:5px 0 72px}.scene-controls{bottom:-32px;gap:5px}.scene-controls>span{font-size:6px;margin-right:3px}.scene-controls button{width:25px;height:25px;font-size:15px}.flow-legend{font-size:7px;left:0;right:0}.filter-story[data-enhanced] .filter-visual{min-height:310px}.filter-story[data-enhanced] .filter-sticky{min-height:780px}.material-caption{bottom:20px}.filter-diagram-note{bottom:1px}}
.scene-controls{bottom:-12px}@media(max-width:760px){.scene-controls{bottom:-12px}}