/* B&N Bestratingen: eigen branche-onderdelen (legpatroonkiezer en opbouw van de bestrating) */
.bn-leg .leg-kaart{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);gap:clamp(24px,4vw,48px);align-items:center;
  background:var(--wit);border-radius:var(--r-kaart);box-shadow:0 24px 50px -24px rgba(var(--ink-rgb),.35);padding:clamp(16px,2.4vw,28px);max-width:1120px;margin-inline:auto}
.leg-veld{position:relative;border-radius:14px;overflow:hidden;background:#d9d4ca;aspect-ratio:3/2}
.leg-veld canvas{display:block;width:100%;height:100%}
.leg-label{position:absolute;left:14px;bottom:14px;background:rgba(0,0,0,.72);color:#fff;font-size:13px;font-weight:600;letter-spacing:.04em;
  padding:7px 14px;border-radius:999px;border:1px solid rgba(var(--accent-rgb),.8)}
.leg-info{text-align:center;min-width:0}
.leg-knoppen{display:flex;flex-wrap:wrap;justify-content:center;gap:8px}
.leg-knop{font:inherit;font-size:14px;font-weight:600;color:var(--ink);background:var(--tint);border:1px solid rgba(var(--ink-rgb),.14);
  border-radius:999px;padding:9px 16px;cursor:pointer;transition:background .45s var(--ease),color .45s var(--ease),border-color .45s var(--ease)}
.leg-knop:hover{border-color:var(--accent)}
.leg-knop.actief{background:var(--ink);color:#fff;border-color:var(--ink)}
.leg-kleuren{display:flex;justify-content:center;align-items:center;gap:10px;margin:18px 0 6px;font-size:13px;color:var(--tekst);text-transform:uppercase;letter-spacing:.1em}
.leg-kleur{width:30px;height:30px;border-radius:50%;background:var(--k);border:3px solid #fff;box-shadow:0 0 0 1px rgba(var(--ink-rgb),.25);cursor:pointer;transition:box-shadow .45s var(--ease)}
.leg-kleur.actief{box-shadow:0 0 0 2px var(--accent)}
.leg-info h3{margin-top:16px;font-size:24px;color:var(--ink)}
.leg-info p{margin-top:8px;color:var(--tekst)}
.leg-feiten{list-style:none;padding:0;margin:16px auto 20px;display:grid;grid-template-columns:1fr 1fr;gap:10px;max-width:420px}
.leg-feiten li{background:var(--tint);border-radius:12px;padding:10px 12px;display:flex;flex-direction:column;gap:2px}
.leg-feiten b{font-size:12px;text-transform:uppercase;letter-spacing:.1em;color:var(--petrol)}
.leg-feiten span{font-size:14px;color:var(--ink);font-weight:600}
@media(max-width:900px){.bn-leg .leg-kaart{grid-template-columns:minmax(0,1fr)}}
@media(max-width:640px){.leg-feiten{grid-template-columns:1fr}}

.bn-opbouw .opbouw{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(24px,4vw,56px);align-items:center;max-width:1060px;margin-inline:auto}
.opbouw-doorsnede{border-radius:var(--r-kaart);overflow:hidden;box-shadow:0 24px 50px -24px rgba(0,0,0,.45);background:#6b5a48}
.opbouw-doorsnede .laag{position:relative;opacity:0;transform:translateY(24px);
  transition:opacity .85s var(--ease),transform .85s var(--ease),filter .45s var(--ease)}
.opbouw.is-open .laag{opacity:1;transform:none}
.opbouw.is-open .laag[data-laag="4"]{transition-delay:0ms}
.opbouw.is-open .laag[data-laag="3"]{transition-delay:220ms}
.opbouw.is-open .laag[data-laag="2"]{transition-delay:440ms}
.opbouw.is-open .laag[data-laag="1"]{transition-delay:660ms}
.opbouw.is-open .laag[data-laag="0"]{transition-delay:880ms}
.laag-steen{height:64px;background:repeating-linear-gradient(90deg,#3a3b40 0 58px,#cbbf9f 58px 62px);box-shadow:inset 0 6px 0 rgba(255,255,255,.08)}
.laag-voeg{height:10px;background:#cbbf9f}
.laag-straatzand{height:44px;background:radial-gradient(circle at 30% 40%,rgba(0,0,0,.08) 1px,transparent 1.5px) 0 0/7px 7px,#d8c59a}
.laag-fundering{height:110px;background:radial-gradient(circle,#8f8f94 3px,transparent 3.5px) 0 0/14px 12px,radial-gradient(circle,#6f7076 2.5px,transparent 3px) 7px 6px/14px 12px,#a7a39a}
.laag-grond{height:90px;background:radial-gradient(circle,rgba(0,0,0,.12) 2px,transparent 2.5px) 0 0/18px 16px,#6b5a48}
.opbouw-doorsnede.focus .laag{filter:saturate(.5) brightness(.8)}
.opbouw-doorsnede.focus .laag.aan{filter:none}
.opbouw-lijst{list-style:none;padding:0;margin:0;counter-reset:laag;display:grid;gap:10px}
.opbouw-lijst li{counter-increment:laag;background:var(--wit);border-radius:14px;padding:14px 18px;text-align:center;cursor:default;
  border:1px solid transparent;transition:border-color .45s var(--ease),box-shadow .45s var(--ease)}
.opbouw-lijst li::before{content:counter(laag);display:grid;place-items:center;width:28px;height:28px;margin:0 auto 6px;border-radius:50%;
  background:var(--accent);color:var(--op-accent);font-weight:700;font-size:14px}
.opbouw-lijst li b{display:block;color:var(--ink)}
.opbouw-lijst li span{display:block;color:var(--tekst);font-size:14.5px;margin-top:2px}
.opbouw-lijst li.aan{border-color:var(--accent);box-shadow:0 10px 26px -12px rgba(var(--accent-rgb),.45)}
@media(max-width:900px){.bn-opbouw .opbouw{grid-template-columns:minmax(0,1fr)}}
@media (prefers-reduced-motion: reduce){.opbouw-doorsnede .laag{opacity:1;transform:none;transition:none}}
.no-js .opbouw-doorsnede .laag{opacity:1;transform:none}