:root{--yellow:#ffd43b;--ink:#171717;--gray:#f4f4f4;--line:#d7d7d7;--muted:#505050;--width:1120px}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:24px}
body{margin:0;color:var(--ink);background:#fff;font-family:Arial,Helvetica,sans-serif;font-size:17px;line-height:1.55;-webkit-text-size-adjust:100%}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
a,summary{-webkit-tap-highlight-color:transparent}
a:focus-visible,summary:focus-visible{outline:3px solid #174ac8;outline-offset:5px}
p,h1,h2,h3{margin:0}
h1,h2,h3{font-weight:800;line-height:1.1;letter-spacing:-.035em}
h2{font-size:36px}
h3{font-size:21px;letter-spacing:-.02em}
p{color:var(--muted)}
.container{width:min(var(--width),calc(100% - 64px));margin-inline:auto}
.icon-definitions{position:absolute;width:0;height:0;overflow:hidden}
.icon{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}
.skip-link{position:fixed;top:10px;left:12px;background:#fff;padding:12px;z-index:20;transform:translateY(-160%)}
.skip-link:focus{transform:none}
.site-header{border-bottom:1px solid var(--line)}
.header-inner{min-height:88px;display:flex;align-items:center;gap:34px}
.wordmark{display:inline-flex;align-items:center;font-size:27px;font-weight:800;letter-spacing:-.06em;white-space:nowrap;line-height:1.2}
.logo-mark{width:29px;height:29px;fill:none;stroke:var(--ink);stroke-width:2.6;margin-right:9px}
.brand-highlight{background:var(--yellow);padding:4px 6px;margin-left:2px}
nav{display:flex;align-items:center;gap:30px;margin-left:auto;font-size:15px;font-weight:700}
nav a{padding:12px 0}
nav a:hover,.header-phone:hover{text-decoration:underline;text-underline-offset:5px}
.header-phone{display:flex;align-items:center;gap:8px;white-space:nowrap;font-size:16px;font-weight:700}
.hero{padding-top:64px}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.45fr) minmax(0,1fr);gap:64px;align-items:center}
.eyebrow{font-size:13px;font-weight:700;letter-spacing:.07em;text-transform:uppercase;color:var(--ink);margin-bottom:20px}
h1{font-size:clamp(48px,5.6vw,76px);line-height:1.04;letter-spacing:-.055em}
h1 span{background:linear-gradient(transparent 62%,var(--yellow) 62%,var(--yellow) 96%,transparent 96%);box-decoration-break:clone;-webkit-box-decoration-break:clone}
.hero-intro{font-size:20px;line-height:1.55;max-width:520px;margin-top:25px}
.help-box{background:var(--yellow);padding:30px;border:2px solid var(--ink)}
.help-box h2{font-size:29px;letter-spacing:-.03em}
.help-box>p{color:var(--ink);margin-top:12px;margin-bottom:20px;font-size:16px;line-height:1.5}
.button{min-height:56px;padding:13px 20px;display:flex;align-items:center;justify-content:center;gap:10px;font-size:17px;font-weight:700;line-height:1.3;border:2px solid var(--ink);transition:background-color .15s,color .15s;text-align:center}
.button-dark{background:var(--ink);color:#fff}
.button-dark:hover{background:#373737}
.button-white{background:#fff;color:var(--ink)}
.button-white:hover{background:var(--gray)}
.button-yellow{background:var(--yellow);color:var(--ink)}
.button-yellow:hover{background:#ffe277}
.button-outline-light{border-color:#fff;color:#fff}
.button-outline-light:hover{background:#fff;color:var(--ink)}
.help-box .button+.button{margin-top:10px}
.help-box .help-note{font-size:13px;margin:17px 0 0;line-height:1.5}
.reassurance{display:flex;gap:40px;margin-top:42px;padding-block:20px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.reassurance p{display:flex;align-items:center;gap:9px;color:var(--ink);font-size:15px;font-weight:700}
.reassurance .icon{width:20px;height:20px;stroke-width:2.5}
.section{padding-block:64px}
.section-heading{margin-bottom:28px}
.section-heading p{margin-top:12px}
.problem-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.problem{padding:23px 20px;border:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;gap:18px;transition:background-color .15s,border-color .15s}
.problem:hover{background:#fff9df;border-color:var(--ink)}
.problem h3{font-size:20px}
.problem p{font-size:15px;line-height:1.45;margin-top:9px}
.problem>.icon{width:20px;height:20px}
.cost-section{background:var(--gray)}
.cost-grid{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center}
.cost-grid .eyebrow{margin-bottom:14px}
.cost-grid h2{font-size:40px}
.cost-grid p{margin-top:20px}
.text-link{font-size:16px;display:inline-flex;align-items:center;gap:12px;font-weight:700;min-height:44px;margin-top:15px;text-decoration:underline;text-underline-offset:5px;text-decoration-thickness:1px}
.text-link:hover{text-decoration-thickness:2px}
.cost-note{border-left:4px solid var(--yellow);padding:26px 30px;background:#fff}
.cost-note ul{list-style:none;margin:22px 0 0;padding:0;font-size:16px}
.cost-note li{position:relative;padding-left:23px;margin-top:12px}
.cost-note li:before{content:"";position:absolute;left:1px;top:7px;width:11px;height:6px;border-bottom:2px solid var(--ink);border-left:2px solid var(--ink);transform:rotate(-45deg)}
.cost-note p{font-size:14px;border-top:1px solid var(--line);padding-top:17px;margin-top:23px}
.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:34px;list-style:none;margin:30px 0 0;padding:0}
.steps li{display:flex;gap:17px;align-items:flex-start}
.step-number{display:grid;place-items:center;width:36px;height:36px;background:var(--yellow);font-size:19px;font-weight:800;flex-shrink:0;line-height:1}
.steps h3{font-size:20px;margin-top:6px}
.steps p{font-size:16px;line-height:1.5;margin-top:12px}
.area-section{border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.area-grid{display:grid;grid-template-columns:1fr 1fr;gap:80px}
.area-grid h2{font-size:29px}
.area-grid p{font-size:16px;margin-top:16px}
.people{display:flex;align-items:flex-start;gap:24px}
.people img{width:110px;height:138px;object-fit:cover;flex-shrink:0;border:1px solid var(--line)}
.faq-grid{display:grid;grid-template-columns:1fr 1.7fr;gap:60px}
.faq-grid h2{font-size:32px}
.faq-list{border-top:1px solid var(--line)}
details{border-bottom:1px solid var(--line)}
summary{cursor:pointer;font-weight:700;list-style:none;position:relative;padding:20px 40px 20px 0;font-size:16px;line-height:1.4}
summary::-webkit-details-marker{display:none}
summary:after{content:"+";position:absolute;right:3px;top:16px;font-size:26px;line-height:1.2;font-weight:400}
details[open] summary:after{content:"\2212"}
details p{padding:0 36px 22px 0;font-size:16px;line-height:1.6}
.contact-section{background:var(--ink);padding-block:44px;color:#fff}
.contact-inner{display:flex;align-items:center;justify-content:space-between;gap:48px}
.contact-inner h2{font-size:34px}
.contact-inner p{color:#e4e4e4;font-size:16px;margin-top:13px;max-width:440px}
.contact-actions{width:310px;flex-shrink:0;display:grid;gap:10px}
.site-footer{padding-block:27px}
.footer-inner{display:flex;flex-wrap:wrap;align-items:center;gap:8px 24px}
.footer-inner p{font-size:12px}
.footer-inner p:first-child{font-size:15px;font-weight:800;color:var(--ink)}
.footer-inner p:last-child{margin-left:auto}
.mobile-contact{display:none}
@media(min-width:1500px){.hero{padding-top:72px}}
@media(max-width:1000px){.hero-grid{gap:30px;grid-template-columns:1.2fr 1fr}.help-box{padding:24px}.header-inner{gap:24px}nav{gap:20px}.cost-grid,.area-grid{gap:42px}.problem{padding:20px 16px}.problem h3{font-size:18px}.steps{gap:24px}.people{gap:17px}.people img{width:88px;height:110px}}
@media(max-width:760px){
  html{scroll-padding-top:20px}
  body{font-size:16px;padding-bottom:calc(77px + env(safe-area-inset-bottom))}
  .container{width:calc(100% - 40px)}
  .header-inner{min-height:70px;gap:16px;justify-content:space-between}
  .wordmark{font-size:24px}.logo-mark{width:25px;height:25px;margin-right:7px}
  nav{display:none}.header-phone{font-size:13px;gap:5px}.header-phone .icon{width:17px;height:17px}
  .hero{padding-top:30px}.hero-grid{grid-template-columns:1fr;gap:25px}
  .eyebrow{font-size:11px;letter-spacing:.055em;margin-bottom:15px}
  h1{font-size:clamp(38px,10vw,58px);line-height:1.06}
  .hero-intro{font-size:17px;line-height:1.5;margin-top:17px;max-width:560px}
  .help-box{padding:23px}.help-box h2{font-size:25px}.help-box>p{margin:9px 0 17px;font-size:15px}
  .button{min-height:54px;font-size:16px;padding:12px 14px}.help-box .help-note{font-size:12px;margin-top:15px}
  .reassurance{margin-top:25px;padding-block:17px;gap:10px 20px;flex-wrap:wrap}.reassurance p{font-size:13px;gap:6px}.reassurance .icon{width:17px;height:17px}
  .section{padding-block:40px}h2{font-size:29px}.section-heading{margin-bottom:20px}.section-heading p{margin-top:10px;font-size:15px}
  .problem-grid{grid-template-columns:1fr;gap:0;border-top:1px solid var(--line)}
  .problem{border:0;border-bottom:1px solid var(--line);padding:18px 0;gap:20px}.problem h3{font-size:18px}.problem p{font-size:14px;margin-top:5px}.problem:hover{background:var(--gray)}
  .cost-grid{grid-template-columns:1fr;gap:24px}.cost-grid h2{font-size:32px}.cost-grid p{margin-top:15px}.cost-note{padding:22px}.cost-note h3{font-size:20px}.cost-note ul{font-size:15px;margin-top:18px}.cost-note p{font-size:13px;margin-top:20px}
  .steps{grid-template-columns:1fr;gap:24px;margin-top:25px}.steps li{gap:16px}.steps p{margin-top:7px;font-size:15px}.steps h3{font-size:19px}
  .area-grid{grid-template-columns:1fr;gap:32px}.area-grid h2{font-size:27px}.area-grid p{font-size:15px;margin-top:12px}.people{gap:20px}.people img{width:94px;height:118px}
  .faq-grid{grid-template-columns:1fr;gap:23px}.faq-grid h2{font-size:29px}summary{font-size:15px;padding-block:18px}details p{font-size:15px;padding-right:15px}
  .contact-section{padding-block:35px}.contact-inner{display:block}.contact-inner h2{font-size:30px}.contact-inner p{font-size:15px;margin-top:12px}.contact-actions{width:100%;margin-top:24px}
  .site-footer{padding-block:24px}.footer-inner{display:block}.footer-inner p+p{margin-top:8px}.footer-inner p:last-child{margin-left:0}
  .mobile-contact{display:grid;grid-template-columns:1fr 1fr;gap:8px;position:fixed;bottom:0;left:0;right:0;padding:10px 12px calc(10px + env(safe-area-inset-bottom));background:#fff;border-top:1px solid var(--line);z-index:10}.mobile-contact .button{font-size:14px;min-height:52px;padding:10px 8px;gap:7px}.mobile-contact .icon{width:19px;height:19px}
}
@media(max-width:360px){.container{width:calc(100% - 32px)}.wordmark{font-size:21px}.header-phone{font-size:12px}.header-phone .icon{display:none}.logo-mark{width:22px;height:22px}.hero{padding-top:25px}.help-box{padding:19px}.people{gap:16px}.people img{width:76px;height:95px}.area-grid h2{font-size:25px}.reassurance{gap:9px 15px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
/* Diensten en kennis: dezelfde eenvoudige contactroute, meer inhoud per vraag. */
.header-phone{min-height:44px}.mobile-nav{display:none}
.footer-links{display:flex;flex-wrap:wrap;gap:6px 24px;margin:0 0 24px;font-size:13px;font-weight:400}.footer-links a{padding:8px 0;text-decoration:underline;text-underline-offset:4px}
.service-hero{padding-bottom:40px;border-bottom:1px solid var(--line)}.service-hero h1{font-size:clamp(36px,4.1vw,56px);line-height:1.08;overflow-wrap:break-word}.service-hero .hero-intro{font-size:19px}.breadcrumbs{display:flex;flex-wrap:wrap;gap:8px;align-items:center;justify-content:flex-start;margin:0 0 32px;font-size:13px;font-weight:400;line-height:1.5}.breadcrumbs a{padding:0;text-decoration:underline}.breadcrumbs span:last-child{color:var(--muted)}
.article-layout{display:grid;grid-template-columns:minmax(0,730px) minmax(0,1fr);gap:64px;padding-block:48px}.article-section+.article-section{margin-top:38px}.article-section h2{font-size:29px;line-height:1.2}.article-section p{margin-top:16px;line-height:1.65}.article-section ul{padding-left:21px;margin:18px 0 0}.article-section li+li{margin-top:9px}.article-aside{align-self:start;border-left:3px solid var(--yellow);padding-left:20px}.article-aside .aside-title{color:var(--ink);font-weight:700;margin-bottom:12px}.article-aside>a{display:block;font-size:14px;padding:8px 0;text-decoration:underline;text-underline-offset:4px}.article-aside>a.text-link{display:flex;margin-top:16px}.about-photo{width:120px;height:150px;object-fit:cover;margin-bottom:26px}.related-section{background:var(--gray)}.related-links{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:25px}.related-links a{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:58px;padding:16px;border:1px solid var(--line);background:#fff;font-size:16px;font-weight:700}.related-links a:hover{border-color:var(--ink)}.knowledge-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:28px}.knowledge-link{position:relative;border:1px solid var(--line);padding:25px 46px 25px 22px}.knowledge-link h3{font-size:21px;line-height:1.2}.knowledge-link p{font-size:15px;margin-top:14px;line-height:1.5}.knowledge-link>.icon{position:absolute;right:16px;top:25px}.knowledge-link:hover{background:#fff9df;border-color:var(--ink)}.hub-contact{border-top:1px solid var(--line);margin-top:40px;padding-top:32px}.hub-contact p{margin-top:15px}
@media(max-width:1000px){.article-layout{gap:35px;grid-template-columns:minmax(0,2.3fr) minmax(0,1fr)}}
@media(max-width:760px){.mobile-nav{display:flex;justify-content:center;gap:18px;margin:0;padding:7px 12px;border-bottom:1px solid var(--line);font-size:12px;font-weight:700}.mobile-nav a{padding:6px 0}.footer-links{display:flex;gap:4px 22px;font-size:12px;margin-bottom:20px}.footer-links a{padding:8px 0}.service-hero{padding-top:22px;padding-bottom:30px}.service-hero h1{font-size:clamp(32px,9vw,42px)}.service-hero .hero-intro{font-size:17px}.breadcrumbs{display:flex;font-size:12px;margin-bottom:24px;gap:7px;padding:0;border:0;justify-content:flex-start}.article-layout{grid-template-columns:1fr;gap:0;padding-block:34px}.article-aside{display:none}.article-section h2{font-size:25px}.article-section p,.article-section li{font-size:16px}.article-section+.article-section{margin-top:32px}.related-links,.knowledge-grid{grid-template-columns:1fr;gap:10px}.related-links a{font-size:15px;padding:15px}.knowledge-link{padding:20px 43px 20px 18px}.knowledge-link h3{font-size:20px}.knowledge-link p{font-size:14px}.knowledge-link>.icon{top:20px}.related-section h2{font-size:27px}}
/* Beeldrichting via imagegen, uitgevoerd met oorspronkelijke werkfoto's. */
figure{margin:0}figcaption{font-size:12px;line-height:1.45;color:var(--muted);margin-top:8px}
.hero-home .hero-grid{grid-template-columns:minmax(0,1.12fr) minmax(0,1fr);gap:44px;align-items:center}.hero-buttons{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}.hero-buttons .button{flex:1 1 190px}.hero-contact-note{font-size:13px;line-height:1.5;margin-top:14px}.hero-photo img{display:block;width:100%;height:auto;aspect-ratio:4/3;object-fit:cover;border:1px solid var(--line)}.hero-photo figcaption{margin-top:9px}.header-phone{background:var(--yellow);padding:0 13px}
.work-preview{padding-top:40px}.work-preview-grid{display:grid;grid-template-columns:1.08fr 1fr 1fr;gap:26px;align-items:center}.work-preview-copy h2{font-size:32px}.work-preview-copy p{font-size:15px;max-width:310px;margin-top:17px}.work-preview figure img{display:block;width:100%;height:auto;aspect-ratio:1.1;object-fit:cover;object-position:center 65%;border:1px solid var(--line)}
.article-photo{margin:0 0 32px}.article-photo img{display:block;width:100%;height:auto;max-height:460px;object-fit:cover;object-position:center 65%;border:1px solid var(--line)}.article-photo figcaption{margin-top:9px}.article-photo-bas img{aspect-ratio:4/3}.article-photo-solar img{aspect-ratio:4/3}.article-photo-gevel img{aspect-ratio:4/3}
@media(max-width:1000px){.hero-home .hero-grid{gap:28px}.hero-buttons{gap:9px}.hero-buttons .button{font-size:15px;padding:12px 9px;flex-basis:160px}.hero-buttons .icon{width:19px;height:19px}.work-preview-grid{gap:20px}.work-preview-copy h2{font-size:29px}.header-inner{gap:18px}nav{gap:17px}}
@media(max-width:760px){.hero-home .hero-grid{grid-template-columns:1fr;gap:24px}.hero-buttons{margin-top:22px;gap:9px}.hero-buttons .button{flex:1 1 150px;font-size:15px}.hero-contact-note{font-size:12px;margin-top:12px}.hero-photo figcaption{font-size:11px}.hero-home .reassurance{margin-top:24px}.work-preview{padding-top:30px}.work-preview-grid{grid-template-columns:1fr 1fr;gap:18px 12px;align-items:start}.work-preview-copy{grid-column:1/-1}.work-preview-copy h2{font-size:28px}.work-preview-copy p{font-size:14px;max-width:none;margin-top:12px}.work-preview-copy .text-link{margin-top:7px;font-size:14px}.work-preview figcaption{font-size:11px}.work-preview figure img{aspect-ratio:4/5;object-position:center}.article-photo{margin-bottom:27px}.article-photo figcaption{font-size:12px}.header-phone{padding:0 8px}.header-inner{gap:10px}}
@media(max-width:360px){.hero-buttons .button{flex-basis:100%;font-size:16px}.hero-photo figcaption{font-size:10px}.header-phone{padding:0 6px}.work-preview-copy h2{font-size:25px}}
/* Houd bij de werkfoto van Bas ook de handen en het gereedschap in beeld. */
.article-photo-bas img{max-width:440px;max-height:none;aspect-ratio:4/5;object-fit:contain;object-position:center}