:root{
  --blauw:#0b5cab;
  --blauw-donker:#084a8c;
  --groen:#16a34a;
  --groen-donker:#12863d;
  --oranje:#ea7317;
  --tekst:#1c2733;
  --grijs:#5b6b7b;
  --licht:#f4f7fa;
  --rand:#e2e8f0;
  --radius:12px;
  --schaduw:0 2px 10px rgba(16,42,67,.08);
  --container:1140px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  color:var(--tekst);
  line-height:1.6;
  background:#fff;
}
.container{max-width:var(--container);margin:0 auto;padding:0 20px}
h1,h2,h3{line-height:1.25;color:var(--tekst)}
h1{font-size:clamp(1.8rem,4vw,2.6rem);margin:.2em 0 .4em}
h2{font-size:clamp(1.3rem,2.6vw,1.8rem);margin:1.4em 0 .5em}
h3{font-size:1.1rem;margin:1.2em 0 .4em}
a{color:var(--blauw);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;height:auto}
p{margin:0 0 1em}

/* Buttons */
.btn{
  display:inline-block;padding:.8em 1.4em;border-radius:var(--radius);
  font-weight:700;text-decoration:none;border:0;cursor:pointer;
  transition:transform .05s ease, box-shadow .15s ease, background .15s ease;
  box-shadow:var(--schaduw);font-size:1rem;line-height:1.2;
}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn--green{background:var(--groen);color:#fff}
.btn--green:hover{background:var(--groen-donker);color:#fff}
.btn--orange{background:var(--oranje);color:#fff}
.btn--orange:hover{background:#cf6210;color:#fff}
.btn--blue{background:var(--blauw);color:#fff}
.btn--blue:hover{background:var(--blauw-donker);color:#fff}
.btn--ghost{background:#fff;color:var(--blauw);border:2px solid var(--blauw);box-shadow:none}
.btn--lg{padding:1em 1.8em;font-size:1.1rem}

/* Logo */
.logo{font-weight:800;font-size:1.6rem;letter-spacing:-.5px;display:inline-block}
.logo-riool{color:var(--blauw)}
.logo-wacht{color:var(--groen)}
.logo--footer{font-size:1.4rem;margin-bottom:.6em}

/* Header */
.site-header{position:sticky;top:0;z-index:50;background:#fff;box-shadow:0 1px 0 var(--rand)}
.topbar{background:var(--blauw);color:#fff;font-size:.85rem}
.topbar-inner{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:6px 20px;flex-wrap:wrap}
.topbar a{color:#fff;font-weight:700}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px 20px}
.hoofdnav{display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.hoofdnav a{padding:.5em .8em;border-radius:8px;color:var(--tekst);font-weight:600}
.hoofdnav a:hover{background:var(--licht);text-decoration:none}
.hoofdnav a.actief{color:var(--blauw)}
.hoofdnav .nav-cta{background:var(--groen);color:#fff}
.hoofdnav .nav-cta:hover{background:var(--groen-donker)}
.nav-burger{display:none;font-size:1.6rem;cursor:pointer;padding:.2em .4em}

/* Hero */
.hero{position:relative;color:#fff;background:linear-gradient(135deg,rgba(8,74,140,.92),rgba(11,92,171,.75)),center/cover no-repeat url('/img/big/foto1.jpg');}
.hero-inner{padding:64px 20px;max-width:var(--container);margin:0 auto}
.hero h1{color:#fff;max-width:18ch}
.hero p{font-size:1.15rem;max-width:54ch;color:#eaf2fb}
.hero-acties{display:flex;gap:12px;flex-wrap:wrap;margin-top:1.2em}

/* Secties */
.sectie{padding:48px 0}
.sectie--licht{background:var(--licht)}
.lead{font-size:1.15rem;color:var(--grijs)}

/* Kaarten / grid */
.grid{display:grid;gap:20px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.kaart{background:#fff;border:1px solid var(--rand);border-radius:var(--radius);padding:24px;box-shadow:var(--schaduw)}
.kaart h3{margin-top:0}
.kaart--blauw{border-top:4px solid var(--blauw)}
.kaart--groen{border-top:4px solid var(--groen)}
.prijs{font-size:1.6rem;font-weight:800;color:var(--blauw)}

/* USP-balk */
.usps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;text-align:center}
.usp .usp-icon{font-size:1.8rem}

/* Tarief-info */
.tarief-detail{font-size:.9rem;color:var(--grijs)}

/* Content (CMS-pagina's) */
.content{max-width:820px}
.content ul{padding-left:1.2em}
.content li{margin:.2em 0}

/* Formulieren */
.form{max-width:680px}
.form label{display:block;font-weight:600;margin:.8em 0 .25em}
.form input,.form select,.form textarea{
  width:100%;padding:.7em .8em;border:1px solid var(--rand);border-radius:10px;font:inherit;background:#fff;
}
.form input:focus,.form select,.form textarea:focus{outline:2px solid var(--blauw);outline-offset:1px}
.form .hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.form-fout{background:#fef2f2;border:1px solid #fecaca;color:#b91c1c;padding:12px 16px;border-radius:10px;margin:1em 0}
.form-ok{background:#f0fdf4;border:1px solid #bbf7d0;color:#15803d;padding:12px 16px;border-radius:10px;margin:1em 0}
.veld-rij{display:grid;grid-template-columns:1fr 1fr;gap:14px}

/* FAQ */
.faq details{border:1px solid var(--rand);border-radius:10px;margin:.6em 0;background:#fff}
.faq summary{cursor:pointer;font-weight:700;padding:14px 18px;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq details[open] summary{border-bottom:1px solid var(--rand)}
.faq .faq-antwoord{padding:14px 18px;color:var(--grijs)}

/* Reviews */
.reviews-badge{display:flex;align-items:center;gap:18px;background:#fff;border:1px solid var(--rand);border-radius:var(--radius);padding:18px 24px;box-shadow:var(--schaduw);max-width:520px}
.reviews-score{font-size:2.6rem;font-weight:800;color:var(--blauw);line-height:1}
.reviews-sterren{color:#f5a623;font-size:1.2rem;letter-spacing:2px}
.review-kaart blockquote{margin:.6em 0;font-style:italic;color:var(--tekst)}
.review-kaart figcaption{color:var(--grijs);font-size:.9rem}
.review-bron{display:inline-block;margin-left:6px;font-size:.75rem;background:var(--licht);color:var(--grijs);border-radius:6px;padding:1px 7px}

/* Footer */
.site-footer{background:#0f2233;color:#c7d4e1;margin-top:48px;font-size:.95rem}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:28px;padding:48px 20px}
.site-footer h3{color:#fff;font-size:1rem;margin:0 0 .6em}
.site-footer a{color:#c7d4e1}
.site-footer a:hover{color:#fff}
.footer-links{list-style:none;padding:0;margin:0}
.footer-links li{margin:.3em 0}
.footer-tel{font-size:1.3rem;font-weight:800;color:#fff}
.footer-mini{font-size:.85rem;margin-top:1em}
.footer-bottom{background:#0a1824;padding:14px 0;font-size:.82rem;color:#8aa0b4}

/* Responsive */
@media(max-width:860px){
  .grid-3,.grid-2,.usps,.footer-grid{grid-template-columns:1fr}
  .usps{grid-template-columns:repeat(2,1fr)}
  .veld-rij{grid-template-columns:1fr}
  .nav-burger{display:block}
  .hoofdnav{display:none;width:100%;flex-direction:column;align-items:stretch}
  .nav-toggle:checked ~ .hoofdnav{display:flex}
  .nav-inner{flex-wrap:wrap}
}