Kaart-carrousel die uitklapt New

<!-- Kaart-carrousel die uitklapt · NedDev · eigen werk. -->
<div class="jouw-container">
<div class="kcu"><div class="kcu__hd"><div><p class="kcu__k">Atelier Kok · interieurbouw, Haarlem</p><p class="kcu__t">Recente projecten</p></div><div class="kcu__nav"><button type="button" class="kcu__arw" data-dir="-1" aria-label="Vorige projecten" disabled><svg viewBox="0 0 16 16" aria-hidden="true"><path d="M10 3.5 5.5 8l4.5 4.5"/></svg></button><button type="button" class="kcu__arw" data-dir="1" aria-label="Volgende projecten"><svg viewBox="0 0 16 16" aria-hidden="true"><path d="M6 3.5 10.5 8 6 12.5"/></svg></button></div></div>
<ul class="kcu__track" aria-label="Projecten">
<li><button type="button" class="kcu__card" data-i="0" aria-haspopup="dialog"><img class="kcu__img" src="https://neddev.com/lab-media/kaart-carousel-uitklap-1.webp" alt="" width="900" height="900" loading="lazy"><span class="kcu__cap"><span class="kcu__ck">Keuken · Haarlem</span><span class="kcu__ct">Eiken keuken in een jaren-30 huis</span></span><span class="kcu__plus" aria-hidden="true"><svg viewBox="0 0 16 16"><path d="M8 3v10M3 8h10"/></svg></span></button></li>
<li><button type="button" class="kcu__card" data-i="1" aria-haspopup="dialog"><img class="kcu__img" src="https://neddev.com/lab-media/kaart-carousel-uitklap-2.webp" alt="" width="900" height="900" loading="lazy"><span class="kcu__cap"><span class="kcu__ck">Boekenwand · Heemstede</span><span class="kcu__ct">Boekenkast rond de schuifdeur</span></span><span class="kcu__plus" aria-hidden="true"><svg viewBox="0 0 16 16"><path d="M8 3v10M3 8h10"/></svg></span></button></li>
<li><button type="button" class="kcu__card" data-i="2" aria-haspopup="dialog"><img class="kcu__img" src="https://neddev.com/lab-media/kaart-carousel-uitklap-3.webp" alt="" width="900" height="900" loading="lazy"><span class="kcu__cap"><span class="kcu__ck">Badmeubel · Zandvoort</span><span class="kcu__ct">Notenhout voor een kleine badkamer</span></span><span class="kcu__plus" aria-hidden="true"><svg viewBox="0 0 16 16"><path d="M8 3v10M3 8h10"/></svg></span></button></li>
<li><button type="button" class="kcu__card" data-i="3" aria-haspopup="dialog"><img class="kcu__img" src="https://neddev.com/lab-media/kaart-carousel-uitklap-4.webp" alt="" width="900" height="900" loading="lazy"><span class="kcu__cap"><span class="kcu__ck">Trapkast · Bloemendaal</span><span class="kcu__ct">Kast onder de trap met duwsluiting</span></span><span class="kcu__plus" aria-hidden="true"><svg viewBox="0 0 16 16"><path d="M8 3v10M3 8h10"/></svg></span></button></li></ul>
<template class="kcu__tpl"><p class="kcu__dk">Keuken · Haarlem</p><h3 class="kcu__dt" id="kcu-dt">Eiken keuken in een jaren-30 huis</h3><dl class="kcu__meta"><div><dt>Doorlooptijd</dt><dd>6 weken</dd></div><div><dt>Budget</dt><dd>€ 18.400</dd></div><div><dt>Materiaal</dt><dd>massief eiken, terrazzo</dd></div></dl><p>De bewoners wilden de oude erker terug in de keuken. We tekenden het werkblad rond de bestaande radiator en maakten de fronten van massief eiken met een matte olie.</p><p>Het terrazzoblad is gegoten in een werkplaats in Haarlem-Noord. Montage duurde vier dagen; op vrijdag werd er weer gekookt.</p></template>
<template class="kcu__tpl"><p class="kcu__dk">Boekenwand · Heemstede</p><h3 class="kcu__dt" id="kcu-dt">Boekenkast rond de schuifdeur</h3><dl class="kcu__meta"><div><dt>Doorlooptijd</dt><dd>3 weken</dd></div><div><dt>Budget</dt><dd>€ 7.900</dd></div><div><dt>Materiaal</dt><dd>MDF, gelakt in rietgroen</dd></div></dl><p>Een wand van vloer tot plafond met 2,7 meter boekenruimte, gebouwd om de schuifdeur naar de serre heen. De planken zijn verstelbaar en dragen 40 kilo per meter.</p><p>Alle onderdelen zijn in onze werkplaats gespoten, zodat er in huis alleen gemonteerd hoefde te worden.</p></template>
<template class="kcu__tpl"><p class="kcu__dk">Badmeubel · Zandvoort</p><h3 class="kcu__dt" id="kcu-dt">Notenhout voor een kleine badkamer</h3><dl class="kcu__meta"><div><dt>Doorlooptijd</dt><dd>2 weken</dd></div><div><dt>Budget</dt><dd>€ 3.650</dd></div><div><dt>Materiaal</dt><dd>noten fineer, natuursteen</dd></div></dl><p>De badkamer is 1,9 bij 2,2 meter. Het meubel is 38 cm diep in plaats van de gebruikelijke 46, met een greeploze lade die om de sifon heen loopt.</p><p>Het fineer is drie keer gelakt met een watervaste lak, geschikt voor de vochtige zeelucht.</p></template>
<template class="kcu__tpl"><p class="kcu__dk">Trapkast · Bloemendaal</p><h3 class="kcu__dt" id="kcu-dt">Kast onder de trap met duwsluiting</h3><dl class="kcu__meta"><div><dt>Doorlooptijd</dt><dd>10 dagen</dd></div><div><dt>Budget</dt><dd>€ 4.200</dd></div><div><dt>Materiaal</dt><dd>essen, duw-open beslag</dd></div></dl><p>Onder de trap zat een rommelhok met een losse deur. Nu zijn het vier vakken op maat: jassen, schoenen, stofzuiger en een uittrekbare la voor de tassen.</p><p>De deuren hebben geen grepen en sluiten met een zachte duwsluiting, zodat de hal rustig oogt.</p></template>
<dialog class="kcu__dlg" aria-labelledby="kcu-dt"><div class="kcu__dw"><div class="kcu__dmedia"><img class="kcu__dimg" alt="" width="900" height="900"></div><button type="button" class="kcu__x" aria-label="Sluiten"><svg viewBox="0 0 16 16" aria-hidden="true"><path d="M4 4l8 8M12 4l-8 8"/></svg></button><div class="kcu__body"></div><a class="kcu__cta" href="#">Plan een kennismaking</a></div></dialog></div>
</div>

/* Kaart-carrousel die uitklapt · NedDev · eigen werk. */
.kcu{position:absolute;inset:0;box-sizing:border-box;padding:12px 0 14px;background:#f4f3f1;color:#0a0a0a;font-family:'Switzer',system-ui,sans-serif;display:flex;flex-direction:column;gap:10px}
.kcu__hd{display:flex;justify-content:space-between;align-items:flex-end;padding:0 16px}
.kcu__k{margin:0;font:500 9.5px 'JetBrains Mono',monospace;color:#5f5e5a}
.kcu__t{margin:2px 0 0;font-size:15px;font-weight:650}
.kcu__nav{display:flex;gap:6px}
.kcu__arw{width:30px;height:30px;display:grid;place-items:center;border-radius:50%;border:1px solid rgba(10,10,10,.2);background:#fff;color:#0a0a0a;cursor:pointer;transition:background .15s,color .15s,border-color .15s}
.kcu__arw svg{width:14px;height:14px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.kcu__arw:hover:not(:disabled){background:#0a0a0a;color:#fff;border-color:#0a0a0a}
.kcu__arw:disabled{opacity:.35;cursor:default}
.kcu__arw:focus-visible,.kcu__card:focus-visible,.kcu__x:focus-visible,.kcu__cta:focus-visible{outline:2px solid #F5480F;outline-offset:2px}
.kcu__track{list-style:none;margin:0;padding:2px 16px 4px;flex:1;min-height:0;display:flex;gap:10px;overflow-x:auto;scroll-snap-type:x mandatory;scroll-padding:0 16px;scrollbar-width:none;overscroll-behavior-x:contain}
.kcu__track::-webkit-scrollbar{display:none}
.kcu__track li{flex:none;scroll-snap-align:start;display:flex}
.kcu__card{position:relative;width:146px;height:100%;padding:0;border:0;border-radius:8px;overflow:hidden;background:#d9d6d0;cursor:pointer;text-align:left;font:inherit;color:#fff}
.kcu__img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .5s cubic-bezier(.2,.7,.2,1)}
.kcu__card:hover .kcu__img{transform:scale(1.04)}
.kcu__cap{position:absolute;left:0;right:0;bottom:0;padding:28px 10px 10px;background:linear-gradient(transparent,rgba(10,10,10,.78));display:flex;flex-direction:column;gap:2px;padding-right:38px}
.kcu__ck{font:500 9px 'JetBrains Mono',monospace;color:#e8e6e1}
.kcu__ct{font-size:12.5px;font-weight:650;line-height:1.2}
.kcu__plus{position:absolute;right:8px;bottom:9px;width:24px;height:24px;border-radius:50%;background:#fff;display:grid;place-items:center;transition:background .15s,transform .2s}
.kcu__plus svg{width:12px;height:12px;stroke:#0a0a0a;stroke-width:2;stroke-linecap:round;fill:none}
.kcu__card:hover .kcu__plus{background:#F5480F;transform:rotate(90deg)}.kcu__card:hover .kcu__plus svg{stroke:#fff}
.kcu__dlg{width:min(520px,calc(100vw - 32px));max-height:min(86vh,680px);padding:0;border:0;border-radius:10px;background:#fff;color:#0a0a0a;font-family:'Switzer',system-ui,sans-serif;overflow:auto;box-shadow:0 30px 80px -20px rgba(10,10,10,.5);opacity:1;transform:none;transition:opacity .25s,transform .25s,display .25s allow-discrete,overlay .25s allow-discrete}
@starting-style{.kcu__dlg[open]{opacity:0;transform:translateY(12px) scale(.98)}}
.kcu__dlg::backdrop{background:rgba(10,10,10,.55)}
.kcu__dw{position:relative}
.kcu__dmedia{aspect-ratio:16/9;overflow:hidden;background:#d9d6d0}
.kcu__dimg{width:100%;height:100%;object-fit:cover;display:block}
.kcu__x{position:absolute;top:10px;right:10px;width:34px;height:34px;border-radius:50%;border:0;background:#fff;display:grid;place-items:center;cursor:pointer;box-shadow:0 2px 8px rgba(10,10,10,.2);transition:background .15s}
.kcu__x:hover{background:#0a0a0a}.kcu__x:hover svg{stroke:#fff}
.kcu__x svg{width:14px;height:14px;stroke:#0a0a0a;stroke-width:2;stroke-linecap:round}
.kcu__body{padding:18px 22px 4px}
.kcu__dk{margin:0;font:500 10px 'JetBrains Mono',monospace;color:#5f5e5a}
.kcu__dt{margin:4px 0 12px;font-size:22px;font-weight:700;line-height:1.15;letter-spacing:-.01em}
.kcu__meta{display:grid;grid-template-columns:repeat(3,auto);justify-content:start;gap:4px 22px;margin:0 0 14px;padding:10px 0;border-top:1px solid rgba(10,10,10,.12);border-bottom:1px solid rgba(10,10,10,.12)}
.kcu__meta dt{font:500 9.5px 'JetBrains Mono',monospace;color:#6b6a66}.kcu__meta dd{margin:2px 0 0;font-size:12.5px;font-weight:600}
.kcu__body p:not(.kcu__dk){margin:0 0 10px;font-size:14px;line-height:1.55;color:#2a2926}
.kcu__cta{display:inline-block;margin:6px 22px 22px;padding:10px 16px;border-radius:4px;background:#0a0a0a;color:#fff;text-decoration:none;font-size:13px;font-weight:600;transition:background .15s}
.kcu__cta:hover{background:#F5480F}
::view-transition-group(kcu-media){animation-duration:.42s;animation-timing-function:cubic-bezier(.3,.7,.2,1)}
@media(max-width:480px){.kcu__meta{grid-template-columns:1fr 1fr}.kcu__dt{font-size:19px}.kcu__body{padding:14px 16px 2px}.kcu__cta{margin:4px 16px 18px}}
@media(max-width:420px){.kcu{padding:10px 0 10px;gap:8px}.kcu__hd{padding:0 12px}.kcu__track{padding:2px 12px 2px;gap:8px}.kcu__card{width:124px}.kcu__ct{font-size:11.5px}}
@media(prefers-reduced-motion:reduce){.kcu__dlg,.kcu__img,.kcu__plus{transition:none}}

// Kaart-carrousel die uitklapt · NedDev · eigen werk.
// root = het element waarin de HTML staat
function init(root){
var w=root.querySelector('.kcu');if(!w)return;var tr=w.querySelector('.kcu__track'),arws=w.querySelectorAll('.kcu__arw'),dlg=w.querySelector('.kcu__dlg'),body=w.querySelector('.kcu__body'),dimg=w.querySelector('.kcu__dimg'),tpls=w.querySelectorAll('.kcu__tpl'),cur=null;
var reduce=matchMedia('(prefers-reduced-motion:reduce)').matches,vt=!!document.startViewTransition&&!reduce;
function upd(){var max=tr.scrollWidth-tr.clientWidth-2;arws[0].disabled=tr.scrollLeft<=2;arws[1].disabled=tr.scrollLeft>=max;}
arws.forEach(function(b){b.addEventListener('click',function(){var c=tr.querySelector('li');tr.scrollBy({left:(+b.dataset.dir)*(c.offsetWidth+10),behavior:reduce?'auto':'smooth'});});});
tr.addEventListener('scroll',upd,{passive:true});upd();if('ResizeObserver' in window)new ResizeObserver(upd).observe(tr);
function fill(card){var i=+card.dataset.i;body.innerHTML='';body.appendChild(tpls[i].content.cloneNode(true));dimg.src=card.querySelector('.kcu__img').src;}
function open(card){cur=card;var img=card.querySelector('.kcu__img');if(!vt){fill(card);dlg.showModal();return;}
img.style.viewTransitionName='kcu-media';var t=document.startViewTransition(function(){img.style.viewTransitionName='';fill(card);dimg.style.viewTransitionName='kcu-media';dlg.showModal();});t.finished.finally(function(){dimg.style.viewTransitionName='';});}
function close(){if(!dlg.open)return;if(!vt||!cur){dlg.close();return;}var img=cur.querySelector('.kcu__img');dimg.style.viewTransitionName='kcu-media';
var t=document.startViewTransition(function(){dimg.style.viewTransitionName='';dlg.close();img.style.viewTransitionName='kcu-media';});t.finished.finally(function(){img.style.viewTransitionName='';});}
w.querySelectorAll('.kcu__card').forEach(function(c){c.addEventListener('click',function(){open(c);});});
w.querySelector('.kcu__x').addEventListener('click',close);
dlg.addEventListener('cancel',function(e){e.preventDefault();close();});
dlg.addEventListener('click',function(e){if(e.target===dlg)close();});
dlg.addEventListener('close',function(){if(cur)cur.focus();});
w.querySelector('.kcu__cta').addEventListener('click',function(e){e.preventDefault();close();});
}
init(document.querySelector('.jouw-container'));