/* Installatiebedrijf van den Dungen, demo-homepage */

@font-face{font-family:"Figtree";src:url("../assets/fonts/figtree-var.woff2") format("woff2");font-weight:300 900;font-style:normal;font-display:swap}
@font-face{font-family:"JetBrains Mono";src:url("../assets/fonts/jetbrains-mono-var.woff2") format("woff2");font-weight:400 600;font-style:normal;font-display:swap}

:root{
  --ink:#0f1a14;
  --paper:#f3f5f2;
  --wit:#fff;
  --groen:#00953a;
  --groen-d:#007a30;
  --groen-dd:#00632a;
  --blauw:#0071ce;
  --blauw-d:#005fb0;
  --muted:#44514a;
  --lijn:#cdd6cf;
  --vlak:#fff;
  --kop-h:76px;
  --pad:clamp(20px,4vw,56px);
  --sans:"Figtree",system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:"JetBrains Mono",ui-monospace,"SF Mono",Menlo,monospace;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-padding-top:calc(var(--kop-h) + 12px)}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:1.0625rem;line-height:1.6;font-kerning:normal;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img,svg{max-width:100%}
h1,h2,h3,p,figure,blockquote,dl,dd,ol,ul{margin:0}
ol,ul{padding:0;list-style:none}
a{color:inherit}
:focus-visible{outline:3px solid var(--blauw);outline-offset:3px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.sla-over{position:absolute;left:12px;top:-60px;z-index:100;background:var(--ink);color:#fff;padding:10px 16px;border-radius:3px}
.sla-over:focus{top:12px}
.wrap{width:100%;max-width:1280px;margin-inline:auto;padding-inline:var(--pad)}

/* header */
.kop{position:sticky;top:0;z-index:50;background:var(--paper);border-bottom:1px solid var(--lijn)}
.kop-in{display:flex;align-items:center;gap:clamp(12px,2vw,32px);height:var(--kop-h);max-width:1280px;margin-inline:auto;padding-inline:var(--pad)}
.logo{display:block;flex:none;line-height:0}
.logo svg{height:46px;width:auto;display:block}
.nav{margin-left:auto}
.nav ul{display:flex;gap:clamp(18px,2.4vw,36px)}
.nav a{display:inline-block;padding:8px 0;font-weight:500;font-size:.98rem;text-decoration:none;background:linear-gradient(var(--groen),var(--groen)) 0 100%/0 2px no-repeat;transition:background-size .2s}
.nav a:hover{background-size:100% 2px}
.menu-knop{display:none}
.kop-nr{display:none}

/* knoppen */
.knop{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:52px;padding:14px 26px;border:2px solid transparent;border-radius:3px;font:700 1.0625rem/1.2 var(--sans);text-decoration:none;cursor:pointer;transition:background-color .15s,color .15s,border-color .15s}
.knop .ico{width:20px;height:20px;fill:currentColor;flex:none}
.knop-bel{background:var(--groen-d);color:#fff}
.knop-bel:hover{background:var(--groen-dd)}
.knop-lijn{border-color:var(--ink);color:var(--ink);background:transparent}
.knop-lijn:hover{background:var(--ink);color:#fff}
.knop-kop{min-height:44px;padding:9px 18px;font-size:.98rem}
.knop-kop .kop-nr{display:inline}
.knoppen{display:flex;flex-wrap:wrap;gap:12px}

/* hero */
.hero{background-color:var(--paper);background-image:
  linear-gradient(to right,rgba(15,26,20,.075) 1px,transparent 1px),
  linear-gradient(to bottom,rgba(15,26,20,.075) 1px,transparent 1px),
  linear-gradient(to right,rgba(15,26,20,.04) 1px,transparent 1px),
  linear-gradient(to bottom,rgba(15,26,20,.04) 1px,transparent 1px);
  background-size:120px 120px,120px 120px,24px 24px,24px 24px;
  background-position:-1px -1px;
  --vlak:var(--paper);border-bottom:1px solid var(--lijn)}
.hero-in{display:grid;grid-template-columns:minmax(0,1.12fr) minmax(0,.88fr);gap:clamp(24px,4vw,72px);align-items:center;min-height:calc(100svh - var(--kop-h));padding-block:clamp(28px,5vh,64px)}
h1{font-weight:300;font-size:clamp(2.35rem,.5rem + 4.7vw,5rem);line-height:1.05;letter-spacing:-.028em;text-wrap:balance;hyphens:manual}
h1 em{font-style:normal;font-weight:400;color:var(--groen)}
.hero-lead{margin-top:clamp(18px,2.4vw,28px);max-width:32em;font-size:clamp(1.05rem,.95rem + .45vw,1.3rem);line-height:1.5;color:var(--muted)}
.hero .knoppen{margin-top:clamp(22px,3vw,36px)}
.hero-beeld{min-width:0}

/* leidingschema */
.schema{display:block;width:100%;height:auto;overflow:visible}
.schema .pad{fill:none;stroke-width:3;stroke-linecap:butt;stroke-linejoin:miter}
.schema .g{stroke:var(--groen)}
.schema .b{stroke:var(--blauw)}
.schema .dunpad{fill:none;stroke:var(--ink);stroke-width:2;stroke-dasharray:6 5;opacity:.75}
.schema .knoop{fill:var(--vlak);stroke-width:2.5}
.schema .knoop-s{stroke:none}
.schema .knoop-s.g{fill:var(--groen)}
.schema .knoop-s.b{fill:var(--blauw)}
.schema .klep{fill:var(--vlak);stroke-width:2}
.schema .knoop-v{fill:var(--ink)}
.schema .lab,.schema .lab-l,.schema .lab-s{font-family:var(--mono);fill:#36443c}
.schema .lab{font-size:12px;letter-spacing:.04em}
.hero-beeld .schema{max-width:560px;margin-left:auto}

/* diensten */
.diensten{background:var(--wit);padding-block:clamp(64px,9vw,128px)}
h2{font-weight:300;font-size:clamp(2.1rem,1rem + 3.4vw,3.9rem);line-height:1.08;letter-spacing:-.025em;text-wrap:balance;hyphens:manual}
.lijst-wrap{position:relative;margin-top:clamp(32px,5vw,64px);border-top:1px solid var(--lijn)}
.leiding{position:absolute;left:0;top:-1px;bottom:0;width:4px;background:#dde5df;z-index:1}
.leiding-vul{display:block;height:100%;background:linear-gradient(to bottom,var(--groen),var(--blauw));transform-origin:50% 0}
.rij{--node:var(--groen);position:relative;display:grid;grid-template-columns:76px 240px minmax(0,1fr);gap:clamp(16px,3vw,48px);align-items:center;padding:clamp(24px,3.5vw,40px) 0 clamp(24px,3.5vw,40px) clamp(32px,4.4vw,60px);border-bottom:1px solid var(--lijn)}
.rij:nth-child(2){--node:#008e58}
.rij:nth-child(3){--node:#008675}
.rij:nth-child(4){--node:#007f93}
.rij:nth-child(5){--node:#0078b0}
.rij:nth-child(6){--node:var(--blauw)}
.rij::before{content:"";position:absolute;left:-5px;top:50%;width:14px;height:14px;margin-top:-7px;border-radius:50%;background:var(--node);border:3px solid var(--node);z-index:2;transition:background-color .25s,border-color .25s}
.rij::after{content:"";position:absolute;left:9px;top:50%;width:clamp(14px,2.4vw,30px);height:2px;margin-top:-1px;background:var(--node)}
.js:not(.rm) .rij:not(.is-reached)::before{background:var(--wit);border-color:#c3cec6}
.js:not(.rm) .rij:not(.is-reached)::after{background:#c3cec6}
.nr{font-family:var(--mono);font-weight:500;font-size:.98rem;color:var(--muted);letter-spacing:.02em}
.beeld{min-width:0}
.dienst-tekening{display:block;width:100%;height:auto}
.dienst-tekening *{fill:none;stroke-width:1.5px;vector-effect:non-scaling-stroke;stroke-linejoin:round;stroke-linecap:round}
.dienst-tekening .f{fill:var(--vlak)}
.dienst-tekening .ink{stroke:var(--ink)}
.dienst-tekening .gr{stroke:var(--groen)}
.dienst-tekening .bl{stroke:var(--blauw)}
.dienst-tekening .faint{stroke:#a9b5ad}
.tekst h3{font-weight:700;font-size:clamp(1.45rem,1.1rem + 1vw,1.95rem);line-height:1.15;letter-spacing:-.015em;margin-bottom:.45em;hyphens:manual}
.tekst p{max-width:46ch;color:var(--muted);margin-bottom:1.1em}
.meer{display:inline-flex;align-items:center;gap:8px;font-weight:600;text-decoration:none;color:var(--ink);padding:6px 0 3px;border-bottom:2px solid var(--groen);transition:color .15s}
.meer svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;transition:transform .2s}
.meer:hover{color:var(--groen-d)}
.meer:hover svg{transform:translateX(4px)}

/* werkwijze */
.werkwijze{--vlak:var(--ink);background:var(--ink);color:#fff;padding-block:clamp(64px,9vw,128px)}
.werk-in{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,6fr);gap:clamp(32px,5vw,88px);align-items:center}
.werkwijze h2{color:#fff;font-size:clamp(2rem,1rem + 2.8vw,3.4rem);line-height:1.1}
.werk-tekst>p{margin-top:1.4em;max-width:40em;color:#cbd5ce}
.werk-tekst>.cert{border-left:4px solid var(--groen);padding-left:18px;color:#fff;font-weight:500;font-size:1.12rem;line-height:1.45}
.stappen{margin-top:clamp(24px,3vw,36px)}
.stappen li{display:flex;gap:18px;padding:14px 0;border-top:1px solid rgba(255,255,255,.18);color:#e6ece7}
.stappen li:last-child{border-bottom:1px solid rgba(255,255,255,.18)}
.stappen .nr{color:#7fd0a1;flex:none;width:44px}
.werkwijze .schema .lab,.werkwijze .schema .lab-l,.werkwijze .schema .lab-s{fill:#cbd5ce}
.schema .lab-l{font-size:12px;letter-spacing:.06em}
.schema .lab-s{font-size:11px;letter-spacing:.03em}
.schema-werk .kader{fill:none;stroke:rgba(255,255,255,.22);stroke-width:1.5}
.schema-werk .ketel rect,.schema-werk .ketel circle,.schema-werk .ketel path,
.schema-werk .verdeler rect,.schema-werk .verdeler path,
.schema-werk .radiatoren rect,.schema-werk .radiatoren path{fill:none;stroke:#e6ece7;stroke-width:1.6}
.schema-werk .kartouche rect,.schema-werk .kartouche path{fill:none;stroke:rgba(255,255,255,.4);stroke-width:1.2}

/* over ons */
.over{background:var(--paper);padding-block:clamp(64px,9vw,128px);border-bottom:1px solid var(--lijn)}
.over-in{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:clamp(32px,6vw,96px);align-items:start}
.over-tekst>*+*{margin-top:1.3em}
.over-tekst h2{margin-bottom:.1em}
.over-lead{font-size:clamp(1.25rem,1rem + 1vw,1.7rem);line-height:1.35;max-width:30em}
.citaat{margin-block:clamp(24px,3vw,40px)!important;padding-left:clamp(18px,2.4vw,30px);border-left:4px solid var(--groen)}
.citaat blockquote{font-weight:300;font-size:clamp(1.3rem,1rem + 1.2vw,2rem);line-height:1.3;letter-spacing:-.012em;max-width:26em;text-wrap:pretty}
.citaat figcaption,.ref figcaption{margin-top:16px;font-family:var(--mono);font-size:.9rem;color:var(--muted)}
.over-tekst p:not(.over-lead){max-width:36em;color:var(--muted)}
.link{color:var(--ink);text-decoration:underline;text-decoration-color:var(--groen);text-decoration-thickness:2px;text-underline-offset:3px}
.link:hover{color:var(--groen-d)}
.foto{max-width:422px}
.lijst-foto{padding:10px;border:1px solid #98a79d;background:var(--wit)}
.lijst-foto img{display:block;width:100%;max-width:400px;height:auto}
.foto figcaption{margin-top:12px;font-family:var(--mono);font-size:.85rem;color:var(--muted)}

/* referentie */
.referentie{background:var(--wit);padding-block:clamp(64px,9vw,128px)}
.ref{margin-top:clamp(28px,4vw,56px);max-width:1000px}
.ref-onderwerp{font-family:var(--mono);font-size:1.05rem;font-weight:500;color:var(--blauw-d);margin-bottom:22px}
.ref blockquote{font-weight:300;font-size:clamp(1.35rem,.9rem + 1.7vw,2.3rem);line-height:1.28;letter-spacing:-.015em;text-wrap:pretty}
.ref figcaption{display:flex;align-items:center;gap:14px;font-size:1rem;color:var(--ink);font-weight:600;font-family:var(--sans)}
.ref figcaption::before{content:"";width:36px;height:4px;background:var(--groen);flex:none}

/* contact */
.contact{background:var(--paper);padding-block:clamp(64px,9vw,128px);border-top:1px solid var(--lijn)}
.contact-in{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(32px,6vw,96px);align-items:start}
.contact-lead{margin-top:1.2em;max-width:30em;color:var(--muted)}
.groot-nr{display:inline-block;margin-top:clamp(20px,3vw,36px);font-weight:300;font-size:clamp(2.2rem,1rem + 4.6vw,4.6rem);line-height:1.05;letter-spacing:-.025em;color:var(--ink);text-decoration:underline;text-decoration-color:var(--groen);text-decoration-thickness:4px;text-underline-offset:.14em}
.groot-nr:hover{color:var(--groen-d)}
.gegevens{margin-top:clamp(24px,3vw,40px)}
.gegevens>div{display:grid;grid-template-columns:84px minmax(0,1fr);gap:16px;padding:14px 0;border-top:1px solid var(--lijn)}
.gegevens>div:last-child{border-bottom:1px solid var(--lijn)}
.gegevens dt{font-family:var(--mono);font-size:.88rem;color:var(--muted);padding-top:.2em}
.gegevens a:not(.link){text-decoration-color:var(--groen);text-decoration-thickness:2px;text-underline-offset:3px;word-break:break-word}
.gegevens a:not(.link):hover{color:var(--groen-d)}
.gegevens .link{display:inline-block;margin-top:6px;font-weight:600}
.form{background:var(--wit);border:1px solid var(--lijn);padding:clamp(20px,3vw,40px)}
.form-hint{font-family:var(--mono);font-size:.85rem;color:var(--muted);margin-bottom:18px}
.velden-2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.veld{margin-bottom:18px}
.veld label{display:block;font-weight:600;font-size:.95rem;margin-bottom:6px}
.veld input,.veld textarea{display:block;width:100%;padding:13px 14px;border:1.5px solid #6d7b72;border-radius:3px;background:var(--wit);color:var(--ink);font:inherit;line-height:1.4}
.veld textarea{resize:vertical;min-height:140px}
.veld input:focus-visible,.veld textarea:focus-visible{outline:3px solid var(--blauw);outline-offset:2px;border-color:var(--blauw)}
.was-validated .veld input:invalid{border-color:#b3261e}
.form .knop{margin-top:4px}
.form-melding{margin-top:18px;padding:14px 16px;border-left:4px solid var(--groen);background:var(--paper);color:var(--ink)}

/* footer */
.voet{background:var(--wit);padding-top:clamp(48px,7vw,96px);border-top:1px solid var(--lijn);overflow:hidden}
.voet .wrap{container-type:inline-size}
.wordmark{display:block;white-space:nowrap;font-weight:800;font-size:calc(100cqw / 4.04);line-height:.78;letter-spacing:-.02em;color:var(--groen);margin-left:-.055em;user-select:none}
.voet-regel{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;margin-top:clamp(28px,4vw,48px);padding:24px 0 36px;border-top:1px solid var(--lijn);font-size:.95rem;color:var(--muted)}
.voet-regel a{text-decoration-color:var(--groen);text-underline-offset:3px}
.voet-regel p:last-child{text-align:right}

/* belbalk en melding */
.belbalk{position:fixed;left:0;right:0;bottom:0;z-index:60;display:none;gap:10px;padding:10px 16px calc(10px + env(safe-area-inset-bottom));background:var(--paper);border-top:1px solid var(--lijn);transform:translateY(110%);transition:transform .3s}
.belbalk .knop{flex:1;min-height:48px}
.belbalk.is-zichtbaar{transform:none}
.toast{position:fixed;left:50%;bottom:28px;z-index:70;max-width:min(92vw,520px);transform:translate(-50%,16px);padding:14px 20px;border-radius:3px;background:var(--ink);color:#fff;font-weight:500;opacity:0;pointer-events:none;transition:opacity .25s,transform .25s}
.toast.toon{opacity:1;transform:translate(-50%,0)}

/* beginstanden alleen met JS en zonder reduced motion */
.js:not(.rm) .schema .pad{stroke-dasharray:1 1;stroke-dashoffset:1}
.js:not(.rm) .schema .dunpad,
.js:not(.rm) .schema .knopen>*,
.js:not(.rm) .schema .labels>*,
.js:not(.rm) .schema .balk rect,
.js:not(.rm) .schema .knoop-v{opacity:0}
.js:not(.rm) .schema .knopen>*{transform-box:fill-box;transform-origin:center}

@media (max-width:1060px){
  .rij{grid-template-columns:64px 200px minmax(0,1fr)}
  .werk-in,.over-in,.contact-in{grid-template-columns:minmax(0,1fr)}
  .werk-beeld{order:2}
}

@media (max-width:900px){
  :root{--kop-h:64px}
  .logo svg{height:30px}
  .nav{position:absolute;left:0;right:0;top:100%;margin:0;background:var(--paper);border-bottom:1px solid var(--lijn);display:none}
  .nav.open{display:block}
  .nav ul{flex-direction:column;gap:0;padding:8px var(--pad) 16px}
  .nav a{display:block;padding:14px 0;font-size:1.15rem;border-bottom:1px solid var(--lijn);background:none}
  .nav li:last-child a{border-bottom:0}
  .kop-in .knop-kop{margin-left:auto}
  .menu-knop{display:inline-flex;align-items:center;gap:10px;min-height:44px;padding:0 12px;border:2px solid var(--ink);border-radius:3px;background:transparent;color:var(--ink);font:600 .98rem var(--sans);cursor:pointer}
  .menu-streep,.menu-streep::before{display:block;width:18px;height:2px;background:currentColor;position:relative}
  .menu-streep::before{content:"";position:absolute;left:0;top:-6px;box-shadow:0 12px 0 currentColor;background:currentColor}
  .menu-streep{margin-top:0}
  html:not(.js) .menu-knop{display:none}
  html:not(.js) .nav{position:static;display:block;border-bottom:1px solid var(--lijn)}
  html:not(.js) .nav ul{flex-direction:row;flex-wrap:wrap;gap:4px 20px;padding:6px var(--pad)}
  html:not(.js) .nav a{border:0;padding:8px 0;font-size:1rem}
  .hero-in{grid-template-columns:minmax(0,1fr);min-height:0;gap:28px;padding-block:28px 40px}
  .hero-beeld .schema{max-width:460px;margin-inline:auto}
}

@media (max-width:760px){
  .belbalk{display:flex}
  .voet{padding-bottom:76px}
  .toast{bottom:92px}
  .voet-regel{grid-template-columns:minmax(0,1fr)}
  .voet-regel p:last-child{text-align:left}
}

@media (max-width:720px){
  .rij{grid-template-columns:44px minmax(0,1fr);row-gap:14px;column-gap:14px;padding-left:34px;align-items:center}
  .rij::before,.rij::after{top:50px}
  .rij .tekst{grid-column:1/-1}
  .beeld{max-width:220px}
  .velden-2{grid-template-columns:1fr}
  .gegevens>div{grid-template-columns:70px minmax(0,1fr)}
}

@media (max-width:420px){
  .kop-in{gap:8px}
  .logo svg{height:26px}
  .knop-kop{padding:9px 14px}
  .menu-knop{padding:0 10px}
  .menu-tekst{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
  .menu-knop{min-width:44px;justify-content:center}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none!important;animation:none!important}
}

@media (max-width:600px){
  .knop-kop .kop-nr{display:none}
}

.beeldband{margin:0;background:var(--paper)}
.beeldband img{display:block;width:100%;height:clamp(220px,34vw,520px);object-fit:cover}
.beeldband figcaption{max-width:1200px;margin:0 auto;padding:12px clamp(20px,5vw,40px) 0;font-family:var(--mono);font-size:.85rem;color:var(--muted)}