@font-face{font-family:"Barlow";src:url("../fonts/barlow-400.woff2") format("woff2");font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:"Barlow";src:url("../fonts/barlow-500.woff2") format("woff2");font-weight:500;font-style:normal;font-display:swap}
@font-face{font-family:"Barlow";src:url("../fonts/barlow-600.woff2") format("woff2");font-weight:600;font-style:normal;font-display:swap}
@font-face{font-family:"Barlow";src:url("../fonts/barlow-700.woff2") format("woff2");font-weight:700;font-style:normal;font-display:swap}
@font-face{font-family:"Barlow Semi Condensed";src:url("../fonts/barlow-sc-600.woff2") format("woff2");font-weight:600;font-style:normal;font-display:swap}
@font-face{font-family:"Barlow Semi Condensed";src:url("../fonts/barlow-sc-700.woff2") format("woff2");font-weight:700;font-style:normal;font-display:swap}

:root{
  --navy:#0F2E4D; --blue:#1F6FAE; --water:#2FA6DE; --water-soft:#DDF0FA;
  --alu:#C9D1D8; --alu-soft:#EEF2F5; --signal:#F5C400; --signal-ink:#0F2E4D;
  --page:#FFFFFF; --band:#F4F7F9; --ink:#0F2E4D; --muted:#4F6377; --line:#D6DEE5; --card:#FFFFFF;
  --ok:#1E7A4F; --warn:#A5520C;
  box-sizing:border-box;
  padding-top:env(safe-area-inset-top,0px); padding-bottom:env(safe-area-inset-bottom,0px);
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --page:#0A1E33; --band:#0E2742; --card:#12304F; --ink:#E8F0F6; --muted:#A9BBCB; --line:#24466A;
  --alu-soft:#15365A; --water-soft:#123A5C; --ok:#6FD0A0; --warn:#F1A860; --navy-fixed:#0F2E4D;
}}
:root[data-theme="dark"]{
  --page:#0A1E33; --band:#0E2742; --card:#12304F; --ink:#E8F0F6; --muted:#A9BBCB; --line:#24466A;
  --alu-soft:#15365A; --water-soft:#123A5C; --ok:#6FD0A0; --warn:#F1A860;
}
html{scroll-padding-top:calc(env(safe-area-inset-top,0px) + 76px);scroll-behavior:smooth}
*,*::before,*::after{box-sizing:border-box}
body{margin:0;background:var(--page);color:var(--ink);font-family:"Barlow",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;font-size:18px;line-height:1.55;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
h1,h2,h3{font-family:"Barlow Semi Condensed","Barlow",system-ui,sans-serif;line-height:1.08;margin:0}
h2{font-size:clamp(30px,4vw,44px);font-weight:700;letter-spacing:-.01em}
h3{font-size:23px;font-weight:600}
p{margin:0}
a{color:inherit}
.wrap{max-width:1200px;margin:0 auto;padding:0 22px}
.lede{color:var(--muted);max-width:58ch;margin-top:14px}
section{padding:88px 0}
.band{background:var(--band)}
:focus-visible{outline:3px solid var(--signal);outline-offset:2px}
.btn{display:inline-flex;align-items:center;justify-content:center;font:inherit;font-weight:700;font-size:17px;padding:15px 24px;border-radius:6px;border:2px solid transparent;text-decoration:none;cursor:pointer;transition:transform .15s}
.btn:active{transform:translateY(1px)}
.btn.sig{background:var(--signal);color:var(--signal-ink)}
.btn.out{border-color:currentColor;background:transparent;color:inherit}
/* header */
.hdr{position:sticky;top:0;z-index:20;background:color-mix(in srgb,var(--page) 92%,transparent);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);padding-top:env(safe-area-inset-top,0px)}
.hdr .wrap{display:flex;align-items:center;justify-content:space-between;height:70px;gap:20px}
.hdr .logo svg{height:38px;width:auto;display:block}
.hdr nav{display:flex;gap:26px;align-items:center;font-weight:500;font-size:16px}
.hdr nav a{text-decoration:none;color:var(--muted)}
.hdr nav a:hover{color:var(--ink)}
.hdr .btn{padding:10px 16px;font-size:15px}
@media (max-width:900px){.hdr nav a:not(.btn){display:none}}@media (max-width:700px){.hdr nav{display:none}.hdr .logo svg{height:32px}}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .logo-dark{display:block!important}:root:not([data-theme="light"]) .logo-light{display:none!important}}
:root[data-theme="dark"] .logo-dark{display:block!important}:root[data-theme="dark"] .logo-light{display:none!important}
/* hero */
.hero{padding:56px 0 64px;background:linear-gradient(180deg,var(--page) 0,var(--page) 60%,var(--water-soft) 100%)}
.hero .wrap{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);gap:56px;align-items:center}
@media (max-width:920px){.hero .wrap{grid-template-columns:1fr;gap:34px}}
.hero h1{font-size:clamp(40px,6.2vw,74px);font-weight:700;letter-spacing:-.02em;max-width:12ch}
.hero .lede{font-size:20px}
.hero .ctas{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.facts{display:grid;grid-template-columns:repeat(4,auto);gap:10px 30px;margin-top:40px;padding-top:24px;border-top:1px solid var(--line);justify-content:start}
@media (max-width:620px){.facts{grid-template-columns:1fr 1fr}}
.facts b{display:block;font-family:"Barlow Semi Condensed","Barlow",system-ui,sans-serif;font-size:26px;font-weight:700;line-height:1.1}
.facts span{font-size:14.5px;color:var(--muted);line-height:1.35;display:block}
/* water demo */
.demo{position:relative;border-radius:10px;overflow:hidden;box-shadow:0 30px 60px -30px rgba(15,46,77,.55);aspect-ratio:4/3;background:#cfd6dc}
.demo img{width:100%;height:100%;object-fit:cover}
.demo .water{position:absolute;left:0;right:0;bottom:0;height:var(--lvl,0%);transition:height .5s cubic-bezier(.2,.7,.3,1);pointer-events:none}
.demo .water::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(47,166,222,.55),rgba(20,90,150,.72));mix-blend-mode:multiply}
.demo .water svg{position:absolute;left:0;top:-9px;width:200%;height:12px;animation:wave 5s linear infinite}
@keyframes wave{to{transform:translateX(-50%)}}
.demo .ctrl{position:absolute;left:14px;right:14px;bottom:14px;background:rgba(10,30,51,.82);color:#fff;border-radius:8px;padding:12px 16px;display:grid;grid-template-columns:auto 1fr;gap:14px;align-items:center;font-size:15px}
.demo .ctrl input{width:100%;accent-color:var(--signal)}@media (max-width:560px){.demo .ctrl{grid-template-columns:1fr}}
.demo .ctrl output{font-weight:700;font-family:"Barlow Semi Condensed","Barlow",system-ui,sans-serif;font-size:19px;min-width:62px;text-align:right}
.demo .msg{position:absolute;top:14px;left:14px;right:14px;background:#fff;color:#0F2E4D;border-radius:8px;padding:10px 14px;font-size:15px;font-weight:600;opacity:0;transform:translateY(-8px);transition:.3s}
.demo .msg.show{opacity:1;transform:none}
.demo .msg.over{background:var(--signal)}
/* why */
.why{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;margin-top:44px}
@media (max-width:820px){.why{grid-template-columns:1fr}}
.why div{border-top:3px solid var(--navy);padding-top:18px}
:root[data-theme="dark"] .why div{border-color:var(--water)}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .why div{border-color:var(--water)}}
.why p{color:var(--muted);margin-top:8px}
/* products */
.prods{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:44px}
@media (max-width:960px){.prods{grid-template-columns:1fr}}
.prod{background:var(--card);border:1px solid var(--line);border-radius:10px;overflow:hidden;display:flex;flex-direction:column}
.prod img{aspect-ratio:4/3;object-fit:cover;width:100%}
.prod .b{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1}
.prod p{color:var(--muted);font-size:16.5px}
.spec{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid var(--line);border-bottom:1px solid var(--line);font-size:15px}
.spec div{padding:10px 0}
.spec div+div{padding-left:14px;border-left:1px solid var(--line)}
.spec small{display:block;color:var(--muted);font-size:13px}
.spec strong{font-family:"Barlow Semi Condensed","Barlow",system-ui,sans-serif;font-size:19px}
.from{display:flex;align-items:baseline;gap:8px;margin-top:auto}
.from .amt{font-family:"Barlow Semi Condensed","Barlow",system-ui,sans-serif;font-weight:700;font-size:34px}
.from small{color:var(--muted);font-size:14px}
.prod a.more{font-weight:600;color:var(--blue);text-decoration:none}
:root[data-theme="dark"] .prod a.more{color:var(--water)}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .prod a.more{color:var(--water)}}
/* calculator */
.calc{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:28px;margin-top:40px;align-items:start}
@media (max-width:900px){.calc{grid-template-columns:1fr}}
.panel{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:26px}
.presets{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 24px}
.presets button{font:inherit;font-size:15px;border:1px solid var(--line);background:var(--alu-soft);color:var(--ink);padding:7px 13px;border-radius:999px;cursor:pointer}
.presets button[aria-pressed="true"]{background:var(--navy);color:#fff;border-color:var(--navy)}
.field{margin-bottom:24px}
.field label{display:flex;justify-content:space-between;align-items:center;font-weight:600;font-size:16px;margin-bottom:6px}
.field .val{display:flex;align-items:baseline;gap:5px}
.field input[type=number]{width:88px;font:inherit;font-family:"Barlow Semi Condensed","Barlow",system-ui,sans-serif;font-weight:700;font-size:22px;text-align:right;border:1px solid var(--line);border-radius:5px;padding:2px 8px;background:var(--card);color:var(--ink)}
.field .unit,.small{color:var(--muted);font-size:14px}
input[type=range]{width:100%;accent-color:var(--blue);height:28px}
.seg{display:inline-flex;border:1px solid var(--line);border-radius:6px;overflow:hidden}
.seg button{font:inherit;font-size:15px;padding:8px 14px;border:0;background:transparent;color:var(--ink);cursor:pointer}
.seg button[aria-pressed="true"]{background:var(--navy);color:#fff}
.stage{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:14px 14px 6px}
.stage svg{width:100%;height:auto;display:block}
.stage .cap{display:flex;justify-content:space-between;font-size:14px;color:var(--muted);padding:6px 6px 8px}
.stage .cap b{color:var(--ink)}
.results{display:grid;gap:12px;margin-top:16px}
.opt{display:grid;grid-template-columns:120px 1fr auto;gap:18px;background:var(--card);border:1px solid var(--line);border-radius:10px;overflow:hidden;align-items:center}
.opt img{width:120px;height:100%;min-height:118px;max-height:150px;object-fit:cover}
.opt .body{padding:14px 0}
.opt h3{font-size:20px}
.opt p{color:var(--muted);font-size:15px}
.opt .price{padding:14px 20px 14px 0;text-align:right;white-space:nowrap}
.opt .price .lbl{font-size:13px;color:var(--muted)}
.opt .price .amt{font-family:"Barlow Semi Condensed","Barlow",system-ui,sans-serif;font-size:30px;font-weight:700;line-height:1.1}
.opt .price .tax{font-size:12.5px;color:var(--muted)}
.opt.best{border:2px solid var(--blue);box-shadow:0 0 0 4px var(--water-soft)}
.opt.off{opacity:.55}
.badge{display:inline-block;background:var(--signal);color:var(--signal-ink);font-size:13px;font-weight:700;padding:2px 9px;border-radius:4px;margin-bottom:6px}
.note{font-size:14px;margin-top:5px}.note.ok{color:var(--ok)}.note.warn{color:var(--warn)}
@media (max-width:620px){.opt{grid-template-columns:88px 1fr}.opt img{width:88px}.opt .price{grid-column:1/-1;text-align:left;padding:10px 16px 14px;border-top:1px solid var(--line)}.opt .body{padding-right:14px}}
.calc-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:20px}
.fine{color:var(--muted);font-size:14px;margin-top:14px;max-width:72ch}
/* audience */
.aud{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:44px}
@media (max-width:860px){.aud{grid-template-columns:1fr}}
.aud figure{margin:0;position:relative;border-radius:10px;overflow:hidden;min-height:380px;color:#fff}
.aud img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.aud figcaption{position:absolute;left:0;right:0;bottom:0;padding:70px 22px 22px;background:linear-gradient(180deg,transparent,rgba(10,30,51,.92))}
.aud figcaption p{font-size:16px;opacity:.9;margin-top:6px}
/* steps */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:48px;counter-reset:s}
@media (max-width:900px){.steps{grid-template-columns:1fr 1fr;row-gap:36px}}
@media (max-width:560px){.steps{grid-template-columns:1fr}}
.steps li{list-style:none;padding:0 26px 0 0;position:relative;counter-increment:s}
.steps li::before{content:counter(s);display:flex;align-items:center;justify-content:center;width:46px;height:46px;border-radius:50%;background:var(--navy);color:#fff;font-family:"Barlow Semi Condensed","Barlow",system-ui,sans-serif;font-weight:700;font-size:22px;margin-bottom:18px;position:relative;z-index:1}
.steps li::after{content:"";position:absolute;top:23px;left:46px;right:0;height:2px;background:repeating-linear-gradient(90deg,var(--alu) 0 8px,transparent 8px 14px)}
.steps li:last-child::after{display:none}
@media (max-width:900px){.steps li::after{display:none}}
.steps p{color:var(--muted);margin-top:8px;font-size:16.5px}
.steps ol{padding:0;margin:0;display:contents}
/* gallery */
.gal{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:210px;gap:14px;margin-top:40px}
.gal img{width:100%;height:100%;object-fit:cover;border-radius:8px}
.gal img:first-child{grid-column:span 2;grid-row:span 2}
@media (max-width:760px){.gal{grid-template-columns:1fr 1fr;grid-auto-rows:170px}}
/* faq */
.faq{max-width:820px;margin-top:36px}
.faq details{border-bottom:1px solid var(--line);padding:18px 0}
.faq summary{cursor:pointer;font-weight:600;font-size:19px;list-style:none;display:flex;justify-content:space-between;gap:16px}
.faq summary::after{content:"+";font-size:26px;line-height:1;color:var(--blue);transition:transform .2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{color:var(--muted);margin-top:10px;max-width:68ch}
/* lead */
.lead{background:var(--navy);color:#fff}
.lead .wrap{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);gap:56px}
@media (max-width:900px){.lead .wrap{grid-template-columns:1fr;gap:32px}}
.lead .lede{color:#C7D6E4}
.lead ul{margin:28px 0 0;padding:0;list-style:none;display:grid;gap:12px}
.lead li{padding-left:30px;position:relative}
.lead li::before{content:"";position:absolute;left:0;top:9px;width:16px;height:9px;border-left:3px solid var(--signal);border-bottom:3px solid var(--signal);transform:rotate(-45deg)}
form.f{background:#fff;color:#0F2E4D;border-radius:10px;padding:28px}
.tabs{display:grid;grid-template-columns:1fr 1fr;border:1px solid #D6DEE5;border-radius:6px;overflow:hidden;margin-bottom:20px}
.tabs button{font:inherit;font-weight:600;padding:11px;border:0;background:#fff;color:#0F2E4D;cursor:pointer}
.tabs button[aria-pressed="true"]{background:#0F2E4D;color:#fff}
.f .row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media (max-width:560px){.f .row{grid-template-columns:1fr}}
.f label{display:block;font-size:14.5px;font-weight:600;margin-bottom:12px}
.f input,.f textarea{width:100%;font:inherit;font-weight:400;border:1px solid #C5D0DA;border-radius:5px;padding:11px;margin-top:4px;background:#fff;color:#0F2E4D}
.f textarea{min-height:90px}
.f .sum{background:#EEF2F5;border-radius:6px;padding:10px 12px;font-size:15px;margin-bottom:16px}
.f .btn{width:100%}
.done{display:none;margin-top:14px;padding:12px 14px;border-left:4px solid #1E7A4F;background:#EAF6EF;font-size:15px}
/* footer */
footer{background:#0A2139;color:#B9C9D8;padding:56px 0 110px;font-size:15px}
footer .wrap{display:grid;grid-template-columns:2fr 1fr 1fr;gap:32px}
@media (max-width:760px){footer .wrap{grid-template-columns:1fr}}
footer svg{height:66px;width:auto;margin-bottom:16px}
footer h4{color:#fff;margin:0 0 10px;font-size:16px}
footer a{text-decoration:none}
footer p+p{margin-top:6px}
/* mobile bar */
.mbar{display:none;position:fixed;left:0;right:0;bottom:0;z-index:30;background:var(--page);border-top:1px solid var(--line);padding:10px 12px calc(10px + env(safe-area-inset-bottom,0px));gap:10px}
.mbar .btn{flex:1;padding:12px;font-size:15.5px}
@media (max-width:700px){.mbar{display:flex}}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important;scroll-behavior:auto!important}}

/* form extra */
.f .priv{font-size:13.5px;color:#4F6377;margin:4px 0 14px}
.f .priv a{color:#1F6FAE}
.hp{position:absolute!important;left:-9999px!important;width:1px;height:1px;overflow:hidden}
.err{display:none;margin-top:14px;padding:12px 14px;border-left:4px solid #A5520C;background:#FDF1E6;font-size:15px}
.f .btn[disabled]{opacity:.6;cursor:wait}
/* footer legal */
.legal-links{grid-column:1/-1;display:flex;flex-wrap:wrap;gap:8px 22px;border-top:1px solid #1E3A58;padding-top:20px;margin-top:8px;font-size:14px}
.legal-links a,.legal-links button{color:#B9C9D8;text-decoration:none;background:none;border:0;font:inherit;padding:0;cursor:pointer}
.legal-links a:hover,.legal-links button:hover{color:#fff}
/* cookie banner */
.cb{position:fixed;z-index:50;left:16px;right:16px;bottom:calc(16px + env(safe-area-inset-bottom,0px));max-width:560px;background:var(--card);color:var(--ink);border:1px solid var(--line);border-radius:10px;box-shadow:0 20px 50px -20px rgba(15,46,77,.5);padding:20px 22px;display:none}
.cb.show{display:block}
.cb h2{font-size:21px;margin-bottom:6px}
.cb p{font-size:15px;color:var(--muted)}
.cb p a{color:inherit}
.cb .row{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}
.cb .row .btn{flex:1 1 150px;padding:11px 14px;font-size:15px}
.cb .btn.plain{background:var(--alu-soft);color:var(--ink)}.cb .btn.navy{background:#0F2E4D;color:#fff;border-color:#0F2E4D}
.cb .opts{display:none;margin-top:14px;border-top:1px solid var(--line);padding-top:6px}
.cb.more .opts{display:block}
.cb label{display:flex;gap:12px;align-items:flex-start;padding:10px 0;font-size:15px;border-bottom:1px solid var(--line)}
.cb label input{margin-top:4px;width:18px;height:18px;accent-color:var(--blue)}
.cb label small{display:block;color:var(--muted);font-size:13.5px}
@media (max-width:700px){.cb{bottom:calc(76px + env(safe-area-inset-bottom,0px))}}
/* legal pages */
.doc{padding:56px 0 80px}
.doc .wrap{max-width:820px}
.doc h1{font-size:clamp(34px,5vw,48px);margin-bottom:8px}
.doc .meta{color:var(--muted);font-size:15px;margin-bottom:34px}
.doc h2{font-size:24px;margin:36px 0 10px}
.doc p,.doc li{color:var(--ink);max-width:70ch}
.doc p+p{margin-top:12px}
.doc ul,.doc ol{padding-left:22px;margin:10px 0}
.doc li+li{margin-top:6px}
.doc table{border-collapse:collapse;width:100%;font-size:15px;margin:12px 0}
.doc th,.doc td{text-align:left;border-bottom:1px solid var(--line);padding:9px 10px 9px 0;vertical-align:top}
.doc .tw{overflow-x:auto}
.back{font-weight:600;color:var(--blue);text-decoration:none}

/* zelf meten */
.steps{padding:0}
.meet-kaart{border-radius:0 10px 10px 0;display:flex;gap:24px;align-items:center;justify-content:space-between;margin-top:44px;border-left:4px solid var(--water)}
.meet-kaart p{color:var(--muted);margin-top:6px;max-width:64ch}
@media (max-width:760px){.meet-kaart{flex-direction:column;align-items:flex-start}}
.f .in-note{background:#FFF8D6;border-left:4px solid #F5C400;padding:10px 12px;font-size:14.5px;margin-bottom:16px;color:#0F2E4D}