/* sanitaireinspectie.nl — Lekdetectie CDS
   Wit als basis, donkerblauw (±15%) als dragende kleur, één heldere blauwe accentkleur. */
:root{
  --navy:#0B1F4B; --navy-2:#132B63; --blauw:#3D6BE0; --blauw-d:#2A54C4; --ijs:#EAF1FD; --vlak:#F5F8FD;
  --lijn:#DCE5F3; --tekst:#16213A; --mid:#56627C; --wit:#fff;
  --r:14px; --r-s:9px; --schaduw:0 1px 2px rgba(11,31,75,.06),0 8px 24px rgba(11,31,75,.07);
  --f:"Plus Jakarta Sans","Segoe UI",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;scroll-padding-top:96px}
body{margin:0;font-family:var(--f);font-size:1.0625rem;line-height:1.75;color:var(--tekst);background:var(--wit);overflow-x:hidden}
img,svg{max-width:100%;display:block}
a{color:var(--blauw-d);text-decoration-thickness:1px;text-underline-offset:3px}
a:hover{color:var(--navy)}
:focus-visible{outline:3px solid var(--blauw);outline-offset:3px;border-radius:4px}
.skip{position:absolute;left:-999px;top:0;background:var(--navy);color:#fff;padding:.7rem 1rem;z-index:100}
.skip:focus{left:0}
.wrap{width:100%;max-width:1240px;margin:0 auto;padding:0 1.15rem}
h1,h2,h3,h4{color:var(--navy);line-height:1.18;letter-spacing:-.02em;font-weight:800}
h1{font-size:clamp(2rem,5.2vw,3.4rem);margin:.3rem 0 1.2rem}
h2{font-size:clamp(1.5rem,3.2vw,2.1rem);margin:3rem 0 1rem}
h3{font-size:1.22rem;font-weight:700;margin:2rem 0 .5rem}
h4{font-size:1rem;font-weight:700;margin:0 0 .7rem;letter-spacing:0}

/* Topbalk + kop */
.topbar{background:var(--navy);color:#C9D6F2;font-size:.85rem}
.topbar-in{display:flex;justify-content:space-between;gap:1rem;min-height:38px;align-items:center}
.topbar a{color:#fff;text-decoration:none;font-weight:600}
.topbar span:first-child{display:none}
.tb-r{display:flex;gap:1.2rem;margin-left:auto}
.tb-r a:last-child{display:none}
.kop{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.92);backdrop-filter:blur(10px) saturate(1.4);border-bottom:1px solid transparent;transition:border-color .2s,box-shadow .2s}
.kop.schaduw{border-color:var(--lijn);box-shadow:0 6px 20px rgba(11,31,75,.06)}
.kop-in{display:flex;align-items:center;justify-content:space-between;min-height:70px;gap:1rem}
.logo{display:flex;align-items:center;gap:.7rem;text-decoration:none;color:var(--navy)}
.logo svg{width:42px;height:42px;flex:none;transition:transform .5s cubic-bezier(.2,.8,.2,1)}
.logo:hover svg{transform:rotate(-8deg) scale(1.05)}
.logo b{display:block;font-size:1.08rem;line-height:1.1;white-space:nowrap}
.logo small{display:block;font-size:.76rem;color:var(--mid);font-weight:500;white-space:nowrap}
.menu-knop{display:flex;flex-direction:column;gap:4px;align-items:center;justify-content:center;width:48px;height:48px;border:1px solid var(--lijn);border-radius:12px;background:#fff;cursor:pointer}
.menu-knop span{width:20px;height:2px;background:var(--navy);border-radius:2px;transition:transform .25s,opacity .25s}
.menu-knop em{position:absolute;left:-999px}
.menu-knop[aria-expanded=true] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.menu-knop[aria-expanded=true] span:nth-child(2){opacity:0}
.menu-knop[aria-expanded=true] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.menu{position:absolute;left:0;right:0;top:100%;background:#fff;border-bottom:1px solid var(--lijn);max-height:0;overflow:hidden;transition:max-height .35s ease}
.menu.open{max-height:85vh;overflow:auto}
.menu>ul{list-style:none;margin:0;padding:.6rem 1.15rem 1.2rem}
.groep-knop{width:100%;display:flex;justify-content:space-between;align-items:center;background:none;border:0;border-bottom:1px solid var(--lijn);padding:.85rem 0;font:700 1rem var(--f);color:var(--navy);cursor:pointer}
.pijl{width:8px;height:8px;border-right:2px solid currentColor;border-bottom:2px solid currentColor;transform:rotate(45deg);transition:transform .25s;margin:0 .3rem .2rem .6rem}
.groep-knop[aria-expanded=true] .pijl{transform:rotate(-135deg);margin-bottom:-.1rem}
.sub{list-style:none;margin:0;padding:0 0 0 .4rem;display:none}
.groep-knop[aria-expanded=true]+.sub{display:block}
.sub a{display:block;padding:.45rem 0;color:var(--tekst);text-decoration:none;font-size:.97rem}
.sub a:hover{color:var(--blauw-d)}
.menu-cta{margin-top:1rem}
.menu-cta .btn{width:100%}

/* Knoppen */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;min-height:52px;padding:.8rem 1.4rem;border-radius:999px;font:700 1rem var(--f);text-decoration:none;cursor:pointer;border:2px solid transparent;transition:transform .2s,box-shadow .2s,background .2s,color .2s}
.btn:hover{transform:translateY(-2px)}
.btn-donker{background:var(--navy);color:#fff;box-shadow:0 8px 20px rgba(11,31,75,.22)}
.btn-donker:hover{background:var(--navy-2);color:#fff;box-shadow:0 12px 26px rgba(11,31,75,.28)}
.btn-rand{background:#fff;color:var(--navy);border-color:var(--navy)}
.btn-rand:hover{background:var(--ijs);color:var(--navy)}
.btn-wit{background:#fff;color:var(--navy)}
.btn-wit:hover{background:var(--ijs);color:var(--navy)}
.vol{width:100%}

/* Hero */
.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--lijn)}
.hero-bg{position:absolute;inset:-20%;background:radial-gradient(40% 50% at 80% 30%,rgba(61,107,224,.12),transparent 70%),radial-gradient(35% 45% at 10% 90%,rgba(11,31,75,.07),transparent 70%);animation:drift 18s ease-in-out infinite alternate;pointer-events:none}
@keyframes drift{to{transform:translate3d(-4%,3%,0) scale(1.05)}}
.hero-in{position:relative;display:grid;gap:2rem;padding:2rem 1.15rem 2.8rem}
.crumbs{display:flex;gap:.5rem;font-size:.86rem;color:var(--mid);flex-wrap:wrap}
.crumbs a{color:var(--mid)}
.label{display:inline-block;margin:.9rem 0 0;padding:.3rem .8rem;border-radius:999px;background:var(--ijs);color:var(--navy);font-size:.82rem;font-weight:700}
.kort{position:relative;background:#fff;border:1px solid var(--lijn);border-radius:var(--r);padding:1.1rem 1.25rem 1.1rem 1.4rem;box-shadow:var(--schaduw);max-width:64ch}
.kort::before{content:"";position:absolute;left:0;top:14px;bottom:14px;width:4px;border-radius:4px;background:linear-gradient(var(--blauw),var(--navy))}
.kort-lbl{font-size:.8rem;font-weight:800;color:var(--blauw-d);text-transform:none}
.kort p{margin:.25rem 0 0;font-size:1rem}
.ctas{display:flex;flex-wrap:wrap;gap:.75rem;margin:1.5rem 0 1.1rem}
.chips{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:.5rem}
.chips li{display:flex;align-items:center;gap:.45rem;padding:.35rem .8rem;border:1px solid var(--lijn);border-radius:999px;background:#fff;font-size:.86rem;font-weight:600;color:var(--navy)}
.chips li::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--blauw)}
.hero-beeld{display:none}
.scanner{width:100%;max-width:440px;margin:0 auto;filter:drop-shadow(0 20px 40px rgba(11,31,75,.12))}
.ring,.sweep{transform-origin:200px 200px;transform-box:view-box}
.r1{animation:draai 60s linear infinite}
.r2{animation:draai 18s linear infinite reverse}
.r3{animation:draai 30s linear infinite}
.sweep{animation:draai 6s linear infinite}
.druppel{animation:zweef 4s ease-in-out infinite;transform-box:view-box;transform-origin:200px 230px}
.lekpad{stroke-dasharray:560;stroke-dashoffset:560;animation:teken 3s .3s ease-out forwards}
.puls{transform-box:view-box;transform-origin:200px 380px}
.p2{animation:ping 2.4s ease-out infinite}
@keyframes draai{to{transform:rotate(360deg)}}
@keyframes zweef{50%{transform:translateY(-8px)}}
@keyframes teken{to{stroke-dashoffset:0}}
@keyframes ping{from{transform:scale(1);opacity:.9}to{transform:scale(3.4);opacity:0}}

/* Lopende band met testen */
.marquee{display:flex;overflow:hidden;background:var(--vlak);border-bottom:1px solid var(--lijn);-webkit-mask:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);mask:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent)}
.marquee ul{list-style:none;display:flex;gap:.8rem;margin:0;padding:.9rem .4rem;flex:none;animation:band 45s linear infinite}
.marquee:hover ul{animation-play-state:paused}
.marquee a{display:block;white-space:nowrap;padding:.4rem 1rem;border-radius:999px;background:#fff;border:1px solid var(--lijn);color:var(--navy);font-weight:600;font-size:.9rem;text-decoration:none;transition:background .2s,color .2s}
.marquee a:hover{background:var(--navy);color:#fff}
@keyframes band{to{transform:translateX(-100%)}}

/* Inhoud */
.raster{display:grid;gap:2.5rem;padding-top:1.5rem;padding-bottom:3.5rem}
.tekst{min-width:0;max-width:74ch}
.tekst>p:first-child{font-size:1.14rem;color:var(--tekst)}
.tekst h2{position:relative;padding-top:.2rem}
.tekst h2::before{content:"";display:block;width:44px;height:4px;border-radius:4px;background:var(--blauw);margin-bottom:.9rem}
.tekst ul:not(.stappen),.tekst ol:not(.stappen){padding-left:1.25rem}
.tekst li{margin:.35rem 0}
.tekst li::marker{color:var(--blauw)}
.tekst table{width:100%;border-collapse:separate;border-spacing:0;font-size:.93rem;margin:1.4rem 0;display:block;overflow-x:auto;border:1px solid var(--lijn);border-radius:var(--r)}
.tekst th,.tekst td{padding:.7rem .85rem;text-align:left;vertical-align:top;border-bottom:1px solid var(--lijn)}
.tekst tr:last-child td{border-bottom:0}
.tekst thead th{background:var(--navy);color:#fff;font-weight:700}
.tekst tbody th{background:var(--vlak);color:var(--navy);white-space:nowrap}
.tekst tbody tr:nth-child(even) td{background:#FAFCFF}
.tekst blockquote{margin:1.6rem 0;padding:1.1rem 1.3rem;background:var(--vlak);border-radius:var(--r);border:1px solid var(--lijn);font-style:italic}
.let{background:var(--ijs);border:1px solid #C9D9F8;padding:1.1rem 1.3rem;border-radius:var(--r);margin:1.6rem 0}
.let strong:first-child{color:var(--navy)}
.stappen{counter-reset:s;list-style:none;padding:0;margin:1.4rem 0}
.stappen>li{counter-increment:s;position:relative;padding:1rem 1.1rem 1rem 4rem;margin:.7rem 0;background:#fff;border:1px solid var(--lijn);border-radius:var(--r);transition:border-color .2s,box-shadow .2s}
.stappen>li:hover{border-color:#B8CBF2;box-shadow:var(--schaduw)}
.stappen>li::before{content:counter(s);position:absolute;left:1rem;top:1rem;width:2.2rem;height:2.2rem;border-radius:50%;background:var(--navy);color:#fff;font-weight:800;display:grid;place-items:center;font-size:.95rem}
.kaart{margin:1.6rem 0}
.kaart iframe{width:100%;aspect-ratio:16/10;border:0;border-radius:var(--r);box-shadow:var(--schaduw);display:block;background:var(--vlak)}
.kaart figcaption{font-size:.9rem;margin-top:.6rem;color:var(--mid)}
.faq details{border:1px solid var(--lijn);border-radius:var(--r);margin:.6rem 0;background:#fff;transition:box-shadow .2s,border-color .2s}
.faq details[open]{border-color:#B8CBF2;box-shadow:var(--schaduw)}
.faq summary{cursor:pointer;list-style:none;padding:1rem 3rem 1rem 1.2rem;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary h3{margin:0;font-size:1.02rem}
.faq summary::after{content:"";position:absolute;right:1.2rem;top:50%;width:10px;height:10px;border-right:2px solid var(--blauw);border-bottom:2px solid var(--blauw);transform:translateY(-70%) rotate(45deg);transition:transform .25s}
.faq details[open] summary::after{transform:translateY(-30%) rotate(-135deg)}
.faq details>div{padding:0 1.2rem 1.1rem}

/* Onthullen bij scrollen */
.js .rv{opacity:0;transform:translateY(18px);transition:opacity .7s ease,transform .7s cubic-bezier(.2,.8,.2,1)}
.js .rv.in{opacity:1;transform:none}

/* Zijbalk */
.zij{display:none}
.toc h4,.zij-kaart h4{font-size:.95rem}
.toc ol{list-style:none;margin:0;padding:0;border-left:2px solid var(--lijn)}
.toc li{margin:0}
.toc a{display:block;padding:.35rem 0 .35rem .9rem;margin-left:-2px;border-left:2px solid transparent;color:var(--mid);text-decoration:none;font-size:.88rem;line-height:1.4;transition:color .2s,border-color .2s}
.toc a:hover,.toc a.actief{color:var(--navy);border-left-color:var(--blauw);font-weight:600}
.zij-kaart{margin-top:1.5rem;background:var(--vlak);border:1px solid var(--lijn);padding:1.2rem;border-radius:var(--r);font-size:.93rem}
.zij-link{display:block;text-align:center;margin-top:.6rem;font-size:.9rem}

/* Formulieren */
.formulier{display:grid;gap:1rem;background:#fff;border:1px solid var(--lijn);border-radius:var(--r);padding:1.4rem;box-shadow:var(--schaduw);margin:1.2rem 0}
.formulier label{display:grid;gap:.35rem;font-weight:600;font-size:.93rem;color:var(--navy)}
.formulier input,.formulier select,.formulier textarea{width:100%;font:1rem var(--f);padding:.8rem .9rem;border:1px solid var(--lijn);border-radius:var(--r-s);background:var(--vlak);color:var(--tekst);transition:border-color .2s,background .2s,box-shadow .2s}
.formulier input:focus,.formulier select:focus,.formulier textarea:focus{outline:0;border-color:var(--blauw);background:#fff;box-shadow:0 0 0 4px rgba(61,107,224,.15)}
.formulier .check{display:flex;align-items:center;gap:.6rem;font-weight:500}
.formulier .check input{width:auto}
.f2{display:grid;gap:1rem}
.hp{position:absolute!important;left:-9999px!important}
.klein{font-size:.84rem;color:var(--mid);margin:0}

/* Eindblok */
.eind{background:var(--navy);color:#C9D6F2;position:relative;overflow:hidden}
.eind::before{content:"";position:absolute;width:520px;height:520px;right:-160px;top:-200px;border-radius:50%;border:2px dashed rgba(157,184,242,.25);animation:draai 80s linear infinite}
.eind-in{position:relative;display:grid;gap:2rem;padding:3.5rem 1.15rem}
.eind h2{color:#fff;margin-top:0}
.eind-lijst{list-style:none;padding:0;margin:1rem 0 1.6rem;display:grid;gap:.4rem}
.eind-lijst li::before{content:"";display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--blauw);margin-right:.6rem;vertical-align:.12em}
.eind-lijst a{color:#fff}
.eind .formulier{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.14);box-shadow:none}
.eind .formulier label{color:#fff}
.eind .formulier input,.eind .formulier textarea{background:#fff;border-color:transparent}

/* Verder lezen */
.verder{padding:3.5rem 0}
.verder h2{margin-top:0}
.kaarten{list-style:none;padding:0;margin:0;display:grid;gap:1rem}
.kaarten a{display:flex;flex-direction:column;height:100%;padding:1.3rem;border:1px solid var(--lijn);border-radius:var(--r);background:#fff;text-decoration:none;color:var(--tekst);transition:transform .25s,box-shadow .25s,border-color .25s}
.kaarten a:hover{transform:translateY(-4px);box-shadow:var(--schaduw);border-color:#B8CBF2}
.kaarten .lbl{font-size:.78rem;font-weight:700;color:var(--blauw-d)}
.kaarten h3{margin:.3rem 0 1rem;font-size:1.1rem}
.kaarten .lees{margin-top:auto;font-weight:700;font-size:.9rem;color:var(--navy)}
.kaarten .lees::after{content:"";display:inline-block;width:.5rem;height:.5rem;border-right:2px solid currentColor;border-top:2px solid currentColor;transform:rotate(45deg);margin-left:.5rem;transition:transform .2s}
.kaarten a:hover .lees::after{transform:translateX(4px) rotate(45deg)}

/* Voet */
.voet{background:var(--navy);color:#B7C5E6;padding:3rem 0 6.5rem;font-size:.92rem;border-top:1px solid rgba(255,255,255,.08)}
.voet a{color:#fff;text-decoration:none}
.voet a:hover{text-decoration:underline}
.voet h4{color:#fff;font-size:.95rem}
.voet ul{list-style:none;padding:0;margin:0 0 1.6rem}
.voet li{margin:.3rem 0}
.voet-top{display:grid;gap:2rem}
.logo.licht{color:#fff}
.logo.licht small{color:#9FB2DC}
.voet address{font-style:normal;margin:1rem 0}
.voet-cols{display:grid;gap:.5rem}
.voet-onder{border-top:1px solid rgba(255,255,255,.1);padding-top:1.2rem;margin:1.5rem 0 0;font-size:.84rem}

/* Belbalk mobiel */
.belbalk{position:fixed;left:.7rem;right:.7rem;bottom:.7rem;display:grid;grid-template-columns:1fr 1fr;gap:.5rem;z-index:70}
.belbalk a{min-height:54px;display:grid;place-items:center;border-radius:999px;font-weight:800;text-decoration:none;box-shadow:0 10px 24px rgba(11,31,75,.25)}
.belbalk a:first-child{background:var(--navy);color:#fff}
.belbalk a:last-child{background:#fff;color:var(--navy);border:2px solid var(--navy)}

/* ---------- Breakpoints ---------- */
@media (max-width:380px){body{font-size:1rem}.wrap{padding:0 .9rem}.logo small{display:none}.btn{width:100%}}
@media (min-width:480px){.ctas .btn{width:auto}}
@media (min-width:600px){.f2{grid-template-columns:1fr 1fr}.kaarten{grid-template-columns:1fr 1fr}.voet-cols{grid-template-columns:1fr 1fr}.topbar span:first-child{display:inline}.tb-r a:last-child{display:inline}}
@media (min-width:768px){.hero-in{grid-template-columns:1.25fr 1fr;align-items:center;padding:3.2rem 1.15rem 3.6rem}.hero-beeld{display:block}.eind-in{grid-template-columns:1fr 1fr;align-items:center}}
@media (min-width:1024px){
  .raster{grid-template-columns:minmax(0,1fr) 280px;gap:4rem;padding-top:2.5rem}
  .zij{display:block;position:sticky;top:96px;align-self:start;max-height:calc(100vh - 110px);overflow:auto}
  .kaarten{grid-template-columns:repeat(3,1fr)}
  .voet-top{grid-template-columns:280px 1fr}
  .voet-cols{grid-template-columns:repeat(3,1fr)}
  .belbalk{display:none}.voet{padding-bottom:3rem}
}
@media (min-width:1360px){
  .menu-knop{display:none}
  .menu{position:static;max-height:none;overflow:visible;border:0;background:transparent}
  .menu>ul{display:flex;align-items:center;gap:.2rem;padding:0}
  .groep{position:relative}
  .groep-knop{width:auto;border:0;padding:.5rem .6rem;border-radius:999px;font-size:.93rem;white-space:nowrap}
  .groep-knop:hover,.groep-knop[aria-expanded=true]{background:var(--vlak)}
  .groep:hover .sub,.groep:focus-within .sub,.groep-knop[aria-expanded=true]+.sub{display:block}
  .sub{position:absolute;top:calc(100% + 8px);left:0;min-width:270px;padding:.6rem;background:#fff;border:1px solid var(--lijn);border-radius:var(--r);box-shadow:0 18px 40px rgba(11,31,75,.14)}
  .groep:nth-last-child(-n+3) .sub{left:auto;right:0}
  .sub::before{content:"";position:absolute;left:0;right:0;top:-10px;height:10px}
  .sub a{padding:.45rem .7rem;border-radius:8px}
  .sub a:hover{background:var(--vlak)}
  .menu-cta{margin:0 0 0 .6rem}.menu-cta .btn{width:auto;min-height:46px;padding:.6rem 1.1rem;font-size:.93rem}
  .voet-cols{grid-template-columns:repeat(3,1fr)}
}
@media (min-width:1440px){.wrap{max-width:1320px}body{font-size:1.1rem}}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important}.lekpad{stroke-dashoffset:0}.js .rv{opacity:1;transform:none}html{scroll-behavior:auto}}
/* WhatsApp */
.btn-wa{background:#1FAF5A;color:#fff;box-shadow:0 8px 20px rgba(31,175,90,.25)}
.btn-wa:hover{background:#178C48;color:#fff}
.zij-kaart .btn-wa{margin-top:.6rem}
.eind .ctas{margin:0}
.tb-wa{display:none}
.wa-zweef{display:none}
.belbalk{grid-template-columns:1fr 1fr 1fr}
.belbalk a.bb-wa{background:#1FAF5A;color:#fff;border:0}
@media (min-width:768px){.tb-wa{display:inline}}
@media (min-width:1024px){
 .wa-zweef{position:fixed;right:1.3rem;bottom:1.3rem;z-index:70;display:flex;align-items:center;gap:.55rem;padding:.75rem 1.1rem .75rem .85rem;border-radius:999px;background:#1FAF5A;color:#fff;font-weight:800;text-decoration:none;box-shadow:0 12px 28px rgba(31,175,90,.35);transition:transform .2s}
 .wa-zweef:hover{transform:translateY(-3px);color:#fff}
 .wa-zweef svg{width:26px;height:26px}
 .wa-zweef::before{content:"";position:absolute;inset:0;border-radius:999px;border:2px solid #1FAF5A;animation:waping 2.6s ease-out infinite;pointer-events:none}
 @keyframes waping{from{transform:scale(1);opacity:.8}to{transform:scale(1.25,1.6);opacity:0}}
}
.voet-intro{max-width:80ch;margin:1.8rem 0 0;color:#B7C5E6;font-size:.9rem;line-height:1.7}
.btn{white-space:nowrap}
@media (min-width:1360px) and (max-width:1499px){.kop .logo small{display:none}.groep-knop{padding:.5rem .45rem;font-size:.9rem}.menu-cta .btn{padding:.6rem .9rem}}