/* Kalkvrij — gedeelde stylesheet */
:root{
  --ink:#122239;--deep:#173a7a;--deep-2:#102a5c;--aqua:#2f6bed;--aqua-ink:#1b4fc4;
  --paper:#f6f9fe;--surface:#ffffff;--sand:#c69a5a;--sand-bg:#f4ecdd;
  --line:#dde6f2;--muted:#5a6a86;--radius:14px;--maxw:1080px;
  --font-body:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  --font-head:"Space Grotesk",var(--font-body);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:76px}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--font-body);font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased}
h1,h2,h3{font-family:var(--font-head);line-height:1.12;margin:0 0 .4em;letter-spacing:-.01em}
h1{font-size:clamp(2rem,5vw,3.3rem);font-weight:700}
h2{font-size:clamp(1.55rem,3.3vw,2.2rem);font-weight:600}
h3{font-size:1.14rem;font-weight:600}
p{margin:0 0 1em}
a{color:var(--aqua-ink)}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 22px}
section{padding:clamp(44px,6.5vw,80px) 0}

/* header / nav */
.site-head{position:sticky;top:0;z-index:50;background:rgba(23,58,122,.97);backdrop-filter:blur(8px);color:#e9f0fc}
.nav{display:flex;align-items:center;gap:18px;max-width:var(--maxw);margin:0 auto;padding:12px 22px;flex-wrap:wrap}
.logo{font-family:var(--font-head);font-weight:700;font-size:1.25rem;color:#fff;text-decoration:none;letter-spacing:.2px;margin-right:auto}
.logo span{color:var(--aqua)}
.nav .links{display:flex;align-items:center;gap:24px;flex-wrap:wrap}
.nav a.link{color:#cddcf6;text-decoration:none;font-size:.95rem;font-weight:500;white-space:nowrap}
.nav a.link:hover,.nav a.link[aria-current="page"]{color:#fff}
.nav .btn-nav{background:var(--aqua);color:var(--ink);text-decoration:none;padding:9px 18px;border-radius:999px;font-family:var(--font-head);font-weight:600;font-size:.95rem;white-space:nowrap}
.nav .btn-nav:hover{background:#4d84f5}
@media (max-width:860px){
  .nav{gap:12px 16px}
  .nav .links{order:3;width:100%;display:flex;flex-wrap:nowrap;gap:16px;overflow-x:auto;padding-bottom:2px}
  .nav .links::-webkit-scrollbar{height:0}
}

/* breadcrumbs */
.crumbs{background:var(--surface);border-bottom:1px solid var(--line);font-size:.85rem}
.crumbs .wrap{padding:11px 22px}
.crumbs a{color:var(--muted);text-decoration:none}
.crumbs a:hover{color:var(--aqua-ink)}
.crumbs span{color:var(--ink)}
.crumbs .sep{color:var(--line);margin:0 8px}

/* hero */
.hero{background:radial-gradient(120% 90% at 88% -10%,rgba(47,107,237,.28),transparent 55%),linear-gradient(180deg,var(--deep),var(--deep-2));color:#eef3fc}
.hero .wrap{max-width:900px;padding-top:clamp(48px,7vw,84px);padding-bottom:clamp(48px,7vw,84px)}
.hero h1{color:#fff}
.hero .lead{font-size:clamp(1.05rem,2vw,1.26rem);color:#c7d6f2;max-width:60ch}
.eyebrow{display:inline-flex;align-items:center;gap:9px;color:#8fb4ff;font-family:var(--font-head);font-weight:600;font-size:.95rem;margin-bottom:16px}
.eyebrow::before{content:"";width:26px;height:2px;background:#8fb4ff;border-radius:2px}
.cta-row{display:flex;flex-wrap:wrap;gap:14px;margin:24px 0 16px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;font-family:var(--font-head);font-weight:600;font-size:1.05rem;padding:14px 26px;border-radius:999px;text-decoration:none;border:0;cursor:pointer;transition:transform .12s,background .15s}
.btn-primary{background:var(--aqua);color:var(--ink)}
.btn-primary:hover{background:#4d84f5;transform:translateY(-1px)}
.btn-ghost{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.45)}
.btn-ghost:hover{border-color:#fff}
.assure{display:flex;flex-wrap:wrap;gap:10px 22px;color:#adc3ea;font-size:.95rem;margin-top:8px}
.assure b{color:#fff;font-weight:600}

/* hardheid chip */
.hard{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.hard .wrap{display:flex;flex-wrap:wrap;align-items:center;gap:26px;padding:32px 22px}
.hard .num{font-family:var(--font-head);font-weight:700;color:var(--deep);font-size:clamp(3rem,8vw,4.4rem);line-height:.9;letter-spacing:-.03em}
.hard .num small{font-size:1.2rem;font-weight:600;color:var(--aqua-ink)}
.hard .txt{flex:1;min-width:260px}
.hard .txt strong{color:var(--deep)}
.hard .src{color:var(--muted);font-size:.9rem}

/* generic */
.lede{max-width:66ch;color:var(--muted);font-size:1.1rem}
.grid{display:grid;gap:18px;margin-top:32px}
.grid.cols-2{grid-template-columns:repeat(2,1fr)}
.grid.cols-3{grid-template-columns:repeat(3,1fr)}
.item{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.item h3{margin-bottom:.35em}
.item p{margin:0;color:var(--muted);font-size:.98rem}
.item.link-card{text-decoration:none;color:inherit;display:block;transition:border-color .15s,transform .12s}
.item.link-card:hover{border-color:var(--aqua);transform:translateY(-2px)}
.item.link-card .go{display:inline-block;margin-top:10px;color:var(--aqua-ink);font-weight:600;font-size:.95rem}
.alt{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}

/* steps */
.steps{counter-reset:s;display:grid;gap:14px;margin-top:32px}
.step{display:grid;grid-template-columns:auto 1fr;gap:18px;align-items:start;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:20px 22px}
.step::before{counter-increment:s;content:counter(s);font-family:var(--font-head);font-weight:700;font-size:1.15rem;width:40px;height:40px;border-radius:50%;background:var(--deep);color:#fff;display:grid;place-items:center}
.step h3{margin:2px 0 .25em}
.step p{margin:0;color:var(--muted)}

/* compare table */
.compare{background:var(--deep);color:#e9f0fc}
.compare h2{color:#fff}.compare .lede{color:#bccdee}
.ctable{margin-top:34px;border-radius:var(--radius);overflow:hidden;border:1px solid rgba(255,255,255,.14)}
.ctable .row{display:grid;grid-template-columns:1.3fr 1fr 1fr}
.ctable .row+.row{border-top:1px solid rgba(255,255,255,.12)}
.ctable .c{padding:15px 18px;display:flex;align-items:center;gap:10px;font-size:.98rem}
.ctable .head .c{font-family:var(--font-head);font-weight:600}
.ctable .feat{color:#cddcf6}
.ctable .salt{background:rgba(196,168,131,.14);color:#e7dbc6}
.ctable .co2{background:rgba(47,107,237,.16);color:#eaf1ff}
.ctable .head .salt{color:var(--sand)}.ctable .head .co2{color:var(--aqua)}
.mark{font-weight:700}.mark.no{color:var(--sand)}.mark.yes{color:var(--aqua)}

/* trust */
.trust .wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center}
.badges{display:flex;flex-wrap:wrap;gap:12px;margin-top:20px}
.badge{display:inline-flex;align-items:center;gap:9px;background:var(--surface);border:1px solid var(--line);border-radius:999px;padding:9px 16px;font-weight:500;font-size:.95rem}
.badge b{color:var(--deep)}
.quote{background:var(--sand-bg);border-left:4px solid var(--sand);border-radius:0 var(--radius) var(--radius) 0;padding:22px 24px;font-size:1.05rem;color:#5a4a30}
.quote cite{display:block;margin-top:10px;font-style:normal;font-weight:600;color:#7a6438;font-size:.9rem}

/* form */
.quote-form{background:linear-gradient(180deg,var(--deep-2),var(--deep));color:#e9f0fc}
.qf-grid{display:grid;grid-template-columns:1fr 1fr;gap:34px;margin-top:14px;align-items:start}
.quote-form h2{color:#fff}.qf-side p{color:#bccff0}
form.card{background:var(--surface);border-radius:var(--radius);padding:26px;color:var(--ink)}
.field{margin-bottom:15px}
.field label{display:block;font-weight:600;font-size:.92rem;margin-bottom:6px}
.field input,.field textarea{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:10px;font:inherit;font-size:1rem;background:#fbfdfd;color:var(--ink)}
.field input:focus,.field textarea:focus{outline:3px solid rgba(47,107,237,.35);border-color:var(--aqua)}
.consent{display:flex;gap:10px;align-items:flex-start;font-size:.85rem;color:var(--muted);margin:6px 0 16px}
.consent input{margin-top:3px;width:18px;height:18px;flex:0 0 auto}
form .btn-primary{width:100%}

/* faq */
.faq details{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:0 22px;margin-bottom:12px}
.faq summary{cursor:pointer;list-style:none;padding:20px 0;font-family:var(--font-head);font-weight:600;font-size:1.05rem;display:flex;justify-content:space-between;align-items:center;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--aqua-ink);font-size:1.5rem;font-weight:400;line-height:1}
.faq details[open] summary::after{content:"–"}
.faq details[open] summary{border-bottom:1px solid var(--line)}
.faq .ans{padding:16px 0 22px;color:var(--muted)}.faq .ans p{margin:0 0 .6em}

/* hub table */
.hubtable{margin-top:30px;width:100%;border-collapse:collapse;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.hubtable th,.hubtable td{text-align:left;padding:13px 18px;border-bottom:1px solid var(--line);font-size:.98rem}
.hubtable th{font-family:var(--font-head);font-weight:600;background:#e9f0fc;color:var(--deep)}
.hubtable tr:last-child td{border-bottom:0}
.hubtable a{color:var(--aqua-ink);font-weight:600;text-decoration:none}
.hubtable a:hover{text-decoration:underline}
.pill{display:inline-block;padding:3px 10px;border-radius:999px;font-size:.82rem;font-weight:600}
.pill.hard{background:#fde8dd;color:#9a4b25}
.pill.matig{background:#fdf3dd;color:#8a6a1f}

/* city link grid */
.citylinks{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px;margin-top:26px}
.citylinks a{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:12px 16px;text-decoration:none;color:var(--ink);font-weight:500;transition:border-color .15s}
.citylinks a:hover{border-color:var(--aqua);color:var(--aqua-ink)}

/* footer */
footer{background:var(--ink);color:#a6b6d6;font-size:.92rem}
footer .wrap{padding:44px 22px 32px}
footer .fcols{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:30px;margin-bottom:26px}
footer h4{font-family:var(--font-head);color:#fff;font-size:1rem;margin:0 0 12px}
footer a{color:#cddcf6;text-decoration:none;display:block;margin-bottom:7px}
footer a:hover{color:#fff}
footer .brand{font-family:var(--font-head);font-weight:700;font-size:1.3rem;color:#fff;margin-bottom:8px}
footer .brand span{color:var(--aqua)}
footer .disc{max-width:44ch;color:#8596b8}
footer .meta{border-top:1px solid #223052;padding-top:18px;display:flex;flex-wrap:wrap;gap:8px 20px;color:#7c8db0}

@media (max-width:820px){
  .grid.cols-2,.grid.cols-3{grid-template-columns:1fr}
  .trust .wrap,.qf-grid,footer .fcols{grid-template-columns:1fr}
}
@media (max-width:560px){
  .ctable .row{grid-template-columns:1fr}
  .ctable .feat{background:rgba(255,255,255,.05);font-weight:600}
  .ctable .head{display:none}
  .ctable .salt::before{content:"Met zout — ";color:var(--sand);font-weight:600}
  .ctable .co2::before{content:"Zonder zout — ";color:var(--aqua);font-weight:600}
}
@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto;transition:none}}