:root{--ink:#123e33;--dark:#073c33;--green:#0db77a;--cream:#faf9f3;--muted:#52675b;--line:#d5dcd0;--sage:#e6ecdc;--white:#fff}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:110px}body{margin:0;background:var(--cream);color:var(--ink);font:16px/1.65 system-ui,-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif}a{color:inherit;text-underline-offset:5px}button,input,select,textarea{font:inherit}button,a,input,textarea,select{-webkit-tap-highlight-color:transparent}:focus-visible{outline:3px solid #ad561e;outline-offset:5px}.wrap{max-width:1240px;width:calc(100% - 96px);margin-inline:auto}.topbar{background:var(--dark);color:#fff;font-size:12px;letter-spacing:.02em;padding:9px 0}.topbar .wrap{display:flex;justify-content:space-between}.topbar a{text-decoration:none}.header{background:var(--cream);border-bottom:1px solid var(--line)}.nav{display:flex;align-items:center;justify-content:space-between;gap:30px;min-height:108px}.brand{display:flex;align-items:center;gap:12px;font-size:27px;font-weight:850;line-height:.94;letter-spacing:-1.3px;text-decoration:none}.brand-symbol{color:var(--green);font-size:63px;line-height:1}.nav nav{display:flex;align-items:center;gap:30px;font-size:14px;font-weight:550}.nav nav>a:not(.button){text-decoration:none}.nav nav>a:hover{text-decoration:underline}.button{display:inline-flex;justify-content:center;align-items:center;gap:18px;background:var(--dark);color:#fff;border:1px solid var(--dark);text-decoration:none;padding:16px 24px;border-radius:6px;font-weight:600;font-size:14px;cursor:pointer;min-height:50px;transition:background .2s}.button:hover{background:#16604c}.button.small{padding:12px 18px}.button.outline{color:var(--ink);background:transparent}.button.outline:hover{background:#fff}.button:disabled{opacity:.65;cursor:wait}.text-link{font-size:14px;font-weight:650}.actions{display:flex;align-items:center;gap:24px;flex-wrap:wrap}.eyebrow{font-size:11px;font-weight:750;letter-spacing:.12em;text-transform:uppercase;margin:0 0 24px}.dot{display:inline-block;width:7px;height:7px;background:var(--green);border-radius:50%;margin-right:7px}h1,h2,h3,p{margin-top:0}h1,h2,h3{line-height:1.12}h1{font-size:clamp(38px,4.4vw,63px);font-weight:600;letter-spacing:-2.8px;margin-bottom:26px}h1 span{color:#39745a}h2{font-size:clamp(30px,3.5vw,47px);letter-spacing:-1.7px;font-weight:550;margin-bottom:24px}h3{font-size:21px;font-weight:600;letter-spacing:-.5px}.lead{font-size:17px;line-height:1.8;color:var(--muted)}.micro{font-size:12px;color:var(--muted);line-height:1.7}.hero{display:grid;grid-template-columns:1.15fr 1fr;gap:34px;align-items:center;padding-block:55px 62px}.hero-copy{padding-block:35px}.hero .lead{max-width:470px;margin-bottom:30px}.hero .micro{margin:24px 0 0}.hero-photo{position:relative;margin:0;height:555px;border-radius:140px 12px 12px 12px;overflow:hidden;background:var(--sage)}.hero-photo img{display:block;width:100%;height:100%;object-fit:cover;object-position:40% center}.hero-photo figcaption{position:absolute;inset:18px 18px auto auto;font-size:10px;text-align:right}.photo-label{display:block;background:var(--cream);padding:7px 12px;border-radius:20px}.photo-credit{display:block;color:#fff;text-shadow:0 1px 4px #000;margin-top:4px}.photo-tag{position:absolute;bottom:24px;left:22px;right:22px;background:#faf9f3f2;border-radius:5px;padding:17px 21px;font-size:14px}.trust{display:grid;grid-template-columns:repeat(3,1fr);border-block:1px solid var(--line);padding-block:30px}.trust>div{padding:0 30px;border-right:1px solid var(--line)}.trust>div:first-child{padding-left:0}.trust>div:last-child{border:0}.trust span{font-size:10px;letter-spacing:.13em;color:var(--muted)}.trust h3{font-size:19px;margin:12px 0 10px}.trust p{font-size:13px;margin-bottom:0;color:var(--muted)}.section{padding-block:90px}.split-intro,.heat-section{display:grid;grid-template-columns:1fr 1fr;gap:85px}.system-grid{display:grid;grid-template-columns:1fr 1fr;gap:30px;margin:30px 0}.system-grid h3{margin:12px 0}.system-grid p{font-size:14px;color:var(--muted)}.line-icon{font-size:30px;color:#38715a}.product-section{background:var(--sage);padding:80px 0}.section-heading{display:flex;justify-content:space-between;gap:30px;align-items:end}.section-heading .text-link{margin-bottom:30px}.section-description{max-width:650px;color:var(--muted);font-size:14px;margin-bottom:34px}.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.product-card{border-radius:10px;overflow:hidden;background:var(--cream)}.product-card-body{padding:26px}.product-card .eyebrow{font-size:9px;letter-spacing:.06em;margin-bottom:12px}.product-card h3{font-size:30px;margin-bottom:15px}.product-card p:not(.eyebrow){font-size:14px;color:var(--muted);min-height:48px}.unit-art{height:180px;display:flex;align-items:center;justify-content:center;background:#f0f1e9;padding:35px}.unit{position:relative;width:100%;height:76px;border-radius:10px 10px 19px 19px;background:linear-gradient(#fff,#f6f6f3 80%,#d0d3cb);box-shadow:0 16px 14px -12px #173d3340;border:1px solid #d9ddd6}.unit span{position:absolute;left:15px;bottom:20px;font-size:6px;color:#718078}.unit i{position:absolute;left:10px;right:10px;bottom:9px;height:2px;background:#afb7af}.price{margin:22px 0}.price small{display:block;font-size:11px;color:var(--muted)}.price strong{font-size:29px;font-weight:550;letter-spacing:-1px}.card-link{display:flex;justify-content:space-between;border-top:1px solid var(--line);padding-top:18px;font-size:12px;font-weight:600;text-decoration:none}.card-link:hover{text-decoration:underline}.product-section>.wrap>.micro{margin:18px 0 0}.heat-panel{background:var(--dark);color:var(--cream);border-radius:12px;padding:32px;display:flex;flex-direction:column;justify-content:space-between;min-height:370px}.heat-panel .eyebrow{font-size:9px}.heat-flow{display:flex;align-items:center;justify-content:space-between;gap:8px;font-size:11px}.heat-flow b{color:#71d3a1}.heat-flower{font-size:100px;line-height:1.4;color:#97d6b3;align-self:center}.heat-panel>p:last-child{margin-bottom:0;font-size:18px}.heat-panel strong{font-weight:500}.heat-section>div:last-child>p:not(.eyebrow){color:var(--muted)}.about-section{background:#eeefe5;padding:80px 0;scroll-margin-top:10px}.about-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:90px;align-items:center}.about-grid p{font-size:15px}.name-story{border:1px solid #cbd4c6;padding:38px;border-radius:100px 8px 8px 8px}.story-flower{display:block;font-size:90px;line-height:1.3;color:#3b8a61;margin-bottom:22px}.name-story h3{font-size:29px}.qualifications{display:flex;gap:8px;flex-wrap:wrap;margin:24px 0}.qualifications span{border:1px solid #aabbaa;padding:6px 10px;border-radius:4px;font-size:11px}.steps{list-style:none;padding:0;margin:36px 0 0;display:grid;grid-template-columns:repeat(4,1fr);gap:26px}.steps li{border-top:1px solid var(--line);padding-top:18px}.steps span{font-size:13px;color:#4e785e}.steps h3{font-size:20px;margin:28px 0 14px}.steps p{font-size:14px;color:var(--muted)}.maintenance{padding:35px 40px;background:var(--sage);border-radius:10px;display:flex;align-items:center;justify-content:space-between;gap:40px}.maintenance h2{font-size:32px}.maintenance p:not(.eyebrow){max-width:680px;font-size:14px}.maintenance .button{flex-shrink:0}.cta{text-align:center;padding-block:100px}.cta h2{font-size:clamp(36px,4vw,55px)}.cta p:not(.eyebrow){color:var(--muted)}.cta .actions{justify-content:center;margin-top:30px}.footer{background:var(--dark);color:#edf1e5;padding:56px 0 20px}.footer-grid{display:grid;grid-template-columns:1.6fr 1fr .8fr;gap:45px}.footer .brand{font-size:27px;line-height:1.2;letter-spacing:-1px}.footer-flower{color:#8dceaa;font-size:40px}.footer p,.footer a:not(.brand){font-size:12px;color:#cbdccf}.footer p{margin-top:20px}.footer h3{font-size:14px}.footer-grid>div>a:not(.brand){display:block;margin:12px 0}.footer-bottom{border-top:1px solid #376054;margin-top:35px;padding-top:20px;display:flex;justify-content:space-between;font-size:10px;color:#cbdccf}.narrow{max-width:650px}.model-nav{display:flex;gap:12px;flex-wrap:wrap;margin:35px 0}.model-nav a{border:1px solid var(--line);padding:10px 22px;border-radius:25px;text-decoration:none;font-size:14px}.model-nav a:hover{background:var(--sage)}.model-section{display:grid;grid-template-columns:.8fr 1.2fr;gap:60px;padding:50px 0;border-top:1px solid var(--line)}.model-section .eyebrow{margin-bottom:12px}.model-section p{max-width:340px}.capacity-row{display:grid;grid-template-columns:1fr 1fr 1fr;gap:12px;padding:18px 0;border-bottom:1px solid var(--line);align-items:center}.capacity-row small{display:block;font-size:10px;color:var(--muted)}.capacity-row strong{font-size:22px;font-weight:550}.capacity-row .text-link{text-align:right}.installation-box{background:var(--sage);padding:40px;border-radius:10px;margin-top:30px}.extras{display:grid;grid-template-columns:1fr 1fr;gap:20px}.extras div{border-top:1px solid #b8c8b8;padding-top:12px}.extras dd{margin:4px 0;font-weight:600}.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:start}.contact-links a{display:block;margin-bottom:20px;font-weight:600;font-size:15px}.contact-links{margin:30px 0}form{background:#fff;border:1px solid var(--line);padding:36px;border-radius:12px}form h2{font-size:28px}form label{display:block;font-size:14px;font-weight:550;margin:20px 0 7px}form label small{font-weight:400}input:not([type=checkbox]):not([type=hidden]),textarea,select{width:100%;padding:12px;border-radius:5px;border:1px solid #a5b6a7;background:#fff;color:var(--ink);min-height:48px}textarea{resize:vertical}input[readonly]{background:var(--sage)!important}fieldset{border:1px solid var(--line);border-radius:5px;margin:24px 0;padding:15px}legend{font-size:14px}.check{display:flex;gap:8px;align-items:center;font-weight:400;font-size:13px;margin:12px 0}.check input{width:18px;height:18px;flex-shrink:0}#form-status{font-size:14px;overflow-wrap:anywhere}#form-status:empty{margin:0}#form-status[data-state=error]{color:#963323}#form-status[data-state=success]{color:#236246}[hidden]{display:none!important}.skip{position:fixed;top:-100px;left:15px;z-index:30;background:white;padding:10px}.skip:focus{top:10px}.menu-toggle{border:1px solid var(--line);border-radius:5px;padding:10px;background:transparent;color:var(--ink)}
@media(min-width:1500px){.hero h1{font-size:65px}}@media(max-width:1050px){.wrap{width:calc(100% - 48px)}.nav nav{gap:18px;font-size:12px}.hero{gap:24px}.hero h1{font-size:46px}.hero-photo{height:520px}.hero .actions{gap:18px}.split-intro,.heat-section,.about-grid{gap:40px}.product-card-body{padding:20px}.maintenance{padding:30px}.contact-grid{gap:35px}}@media(max-width:760px){html{scroll-padding-top:25px}.wrap{width:calc(100% - 40px)}.topbar{font-size:10px}.topbar .wrap>a{font-size:0}.topbar .wrap>a:after{content:'06 5789 6604 ↗';font-size:10px}.nav{min-height:88px;flex-wrap:wrap;gap:15px;padding:17px 0}.brand{font-size:24px}.brand-symbol{font-size:49px}.nav nav{width:100%;flex-wrap:wrap;gap:16px;font-size:13px;padding:10px 0}.nav nav .button{width:100%}.menu-toggle{display:block}.hero{grid-template-columns:1fr;padding:30px 0 40px;gap:25px}.hero-copy{padding:10px 0}.hero h1{font-size:clamp(35px,8vw,50px);letter-spacing:-1.7px}.hero .eyebrow{font-size:9px}.hero-photo{height:380px;border-top-left-radius:90px}.hero-photo img{object-position:40% center}.lead{font-size:16px}.hero .actions{gap:20px}.hero .micro{font-size:10px}.trust{grid-template-columns:1fr;padding:0}.trust>div,.trust>div:first-child{padding:23px 0;border-right:0;border-bottom:1px solid var(--line)}.trust>div:last-child{border-bottom:0}.section{padding-block:55px}.split-intro,.heat-section,.about-grid,.contact-grid{grid-template-columns:1fr;gap:25px}.system-grid{gap:20px}.section-heading{display:block}.section-heading .text-link{display:inline-block;margin-bottom:20px}.product-section{padding:55px 0}.product-grid{grid-template-columns:1fr}.product-card-body{padding:25px}.unit-art{height:170px}.unit{max-width:300px}.product-card p:not(.eyebrow){min-height:0}.about-section{padding:55px 0}.name-story{padding:30px;border-top-left-radius:60px}.story-flower{font-size:60px}.steps{grid-template-columns:1fr 1fr;gap:25px}.steps h3{font-size:18px;margin-top:16px}.maintenance{display:block;padding:28px}.maintenance .button{margin-top:15px}.cta{padding-block:65px}.footer-grid{grid-template-columns:1fr;gap:25px}.footer-bottom{gap:15px;align-items:start;flex-direction:column}.model-section{grid-template-columns:1fr;gap:15px;padding:35px 0}.model-section p{max-width:100%}.capacity-row{grid-template-columns:1fr 1fr auto;gap:10px}.capacity-row strong{font-size:20px}.capacity-row .text-link{font-size:12px}.installation-box{padding:25px}.extras{grid-template-columns:1fr}.contact-grid form{padding:25px}.contact-grid h1{font-size:38px;letter-spacing:-1.6px}.heat-panel{min-height:340px}.heat-flow{font-size:10px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}

/* Origineel logo: verhoudingen en transparantie behouden. */
.brand-logo{display:block;width:190px;height:auto;max-width:100%}
.footer .brand{display:inline-flex;background:var(--cream);padding:12px 16px;border-radius:6px}
.footer .brand-logo{width:200px}
@media(max-width:760px){.brand-logo{width:160px}.footer .brand-logo{width:180px}}

/* Aangeleverde illustraties, productfoto's en werkfoto op de homepage. */
.system-grid .system-icon {
  display: block;
  width: 100%;
  max-width: 240px;
  height: auto;
  aspect-ratio: 1;
  object-fit: contain;
  margin-inline: auto;
}
.product-card .product-photo {
  display: block;
  width: 100%;
  height: 110px;
  object-fit: contain;
  mix-blend-mode: multiply;
}
.product-card {
  display: flex;
  flex-direction: column;
}
.product-card-body {
  display: flex;
  flex: 1;
  flex-direction: column;
}
.product-card-body > p:not(.eyebrow) {
  flex: 1;
}
.heat-panel .heat-flow {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr) auto minmax(0, 1fr);
  align-items: center;
  gap: 8px;
  margin-block: 12px 30px;
}
.heat-step {
  min-width: 0;
  text-align: center;
}
.heat-color-filter {
  position: absolute;
  pointer-events: none;
}
.heat-step img {
  filter: url(#heat-icon-color);
  display: block;
  width: 100%;
  height: 100px;
  object-fit: contain;
  margin-bottom: 15px;
}
/* De luchtillustratie heeft dikkere bronlijnen; verdun alleen dit icoon. */
.heat-step .outside-air-icon {
  filter: url(#outside-air-icon-color);
}
.heat-step span {
  display: block;
}
.heat-flow > .heat-arrow {
  display: block;
  width: clamp(22px, 2.4vw, 34px);
  height: 28px;
  color: #97d6b3;
  margin-top: -33px;
}
.name-story .dirk-photo {
  margin: 0 0 28px;
  aspect-ratio: 4 / 3;
  border-radius: 60px 6px 6px 6px;
  overflow: hidden;
}
.dirk-photo img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 65%;
}
@media (min-width: 761px) {
  .about-grid { align-items: start; }
}
@media (max-width: 1050px) {
  .heat-panel .heat-flow { gap: 4px; }
  .heat-step img { height: 80px; }
  .heat-step span { font-size: 10px; }
}
@media (max-width: 380px) {
  .heat-panel { padding-inline: 22px; }
  .heat-step img { height: 68px; }
  .heat-step span { font-size: 9px; }
}
