:root{
  --bg:#ffffff;
  --text:#0f172a;
  --muted:#475569;
  --ink:#ffffff;
  --primary:#25D366;
  --primary-2:#1faa54;
  --ring:rgba(37,211,102,.35);
  --card:#ffffff;
  --surface:#f8fafc;
  --border:#e5e7eb;
  --radius:14px;
  --shadow:0 10px 24px rgba(2,6,23,.06);
  --maxw:1200px;
}

*{
  box-sizing:border-box;
}

body{
  margin:0;
  font:16px/1.55 Inter,system-ui,Segoe UI,Roboto,Arial,sans-serif;
  background:radial-gradient(1000px 600px at 75% -10%, rgba(37,211,102,.08), transparent 60%), var(--bg);
  color:var(--text);
  -webkit-font-smoothing:antialiased;
}

img{
  max-width:100%;
  display:block;
}

a{
  color:inherit;
  text-decoration:none;
}

.container{
  max-width:var(--maxw);
  margin:auto;
  padding:0 20px;
}

/* Header */
header{
  position:sticky;
  top:0;
  z-index:50;
  backdrop-filter:saturate(1.1) blur(10px);
  background:#0b0f14;
  border-bottom:1px solid rgba(255,255,255,.08);
}

.nav{
  display:flex;
  align-items:center;
  justify-content:space-between;
  height:72px;
  gap:16px;
}

.brand{
  display:flex;
  align-items:center;
  gap:12px;
  font-weight:700;
  color:#e6edf7;
  line-height:1;
}

.brand img{
  height:38px;
  width:auto;
  max-width:180px;
  border-radius:0;
  object-fit:contain;
  flex-shrink:0;
}

nav a{
  color:#cbd5e1;
  padding:8px 10px;
  border-radius:10px;
}

nav a:hover,
nav a[aria-current="page"]{
  color:#ffffff;
  background:rgba(255,255,255,.06);
}

.btn{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:12px 18px;
  border-radius:12px;
  border:1px solid transparent;
  cursor:pointer;
  font-weight:600;
}

.btn.primary{
  background:linear-gradient(180deg,var(--primary),var(--primary-2));
  color:var(--ink);
  box-shadow:0 8px 20px rgba(37,211,102,.25);
}

.btn.ghost{
  background:transparent;
  border-color:var(--border);
  color:var(--text);
}

.meta{
  color:var(--muted);
  font-size:14px;
}

/* Hero */
.hero{
  padding:64px 0 28px;
}

.hero-grid{
  display:grid;
  grid-template-columns:1.1fr .9fr;
  gap:28px;
  align-items:center;
}

h1{
  font-size:clamp(32px,4.3vw,56px);
  line-height:1.05;
  margin:8px 0 10px;
}

.lead{
  color:var(--muted);
  font-size:clamp(16px,1.4vw,20px);
}

.hero-cta{
  display:flex;
  gap:12px;
  flex-wrap:wrap;
  margin-top:18px;
}

.hero-card{
  display:grid;
  grid-template-columns:76px 1fr;
  gap:18px;
  align-items:center;
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:18px;
  box-shadow:var(--shadow);
  margin-top:18px;
}

.cert-logo{
  width:76px;
  height:76px;
  border-radius:50%;
  background:#ffffff;
  border:1px solid var(--border);
  display:flex;
  align-items:center;
  justify-content:center;
  overflow:hidden;
  box-shadow:0 6px 18px rgba(2,6,23,.08);
  flex-shrink:0;
}

.cert-logo img{
  width:86%;
  height:86%;
  object-fit:contain;
}

.mock{
  margin-top:12px;
  aspect-ratio:16/10;
  border-radius:16px;
  border:1px solid var(--border);
  overflow:hidden;
  box-shadow:var(--shadow);
  background:#fff;
}

.mock img{
  width:100%;
  height:100%;
  object-fit:cover;
}

/* Sections */
section{
  padding:44px 0;
}

.section-title{
  font-size:28px;
  margin:0 0 6px;
}

.section-lead{
  color:var(--muted);
  margin:0 0 18px;
}

/* Gallery */
.gallery{
  columns:3 300px;
  column-gap:14px;
}

.shot{
  break-inside:avoid;
  margin:0 0 14px;
  border-radius:12px;
  overflow:hidden;
  border:1px solid var(--border);
  background:#000;
}

.shot img{
  width:100%;
  height:auto;
  transition:transform .35s ease, opacity .35s ease;
}

.shot:hover img{
  transform:scale(1.03);
  opacity:.95;
}

/* Cards */
.cards{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:14px;
}

.card{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:14px;
  padding:18px;
  box-shadow:var(--shadow);
}

.card h3{
  margin:6px 0 6px;
  font-size:18px;
}

.card p{
  color:var(--muted);
  margin:0 0 12px;
}

.card a{
  display:inline-flex;
  gap:8px;
  margin-top:10px;
  color:var(--primary);
}

/* CTA strip */
.cta{
  background:var(--surface);
  border-top:1px solid var(--border);
  border-bottom:1px solid var(--border);
  padding:26px 0;
}

/* Footer */
footer{
  padding:36px 0 60px;
  border-top:1px solid var(--border);
  background:#fff;
}

.foot{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
}

/* Form */
input,
textarea{
  width:100%;
  padding:12px;
  border-radius:10px;
  border:1px solid var(--border);
  background:var(--card);
  color:var(--text);
}

label{
  font-weight:600;
}

input:focus,
textarea:focus{
  outline:3px solid var(--ring);
  border-color:transparent;
}

/* WhatsApp knop */
.whatsapp{
  position:fixed;
  right:16px;
  bottom:16px;
  z-index:60;
  background:#25D366;
  color:#fff;
  border-radius:60px;
  padding:12px 16px;
  display:flex;
  align-items:center;
  gap:10px;
  box-shadow:0 8px 24px rgba(0,0,0,.25);
  font-weight:700;
  border:none;
  cursor:pointer;
}

.whatsapp:hover{
  filter:brightness(1.05);
}

.whatsapp-icon{
  width:22px;
  height:22px;
  object-fit:contain;
  display:block;
}

/* Dienstpagina / over-ons grids mobiel */
@media (max-width: 900px){
  section .container[style*="grid-template-columns:1.1fr .9fr"]{
    display:block !important;
  }

  section .container[style*="grid-template-columns:1.1fr .9fr"] > aside{
    margin-top:20px;
  }
}

@media (max-width:960px){
  .hero-grid{
    grid-template-columns:1fr;
  }

  .cards{
    grid-template-columns:1fr 1fr;
  }
}

@media (max-width:640px){
  .cards{
    grid-template-columns:1fr;
  }

  .nav{
    flex-wrap:wrap;
    height:auto;
    padding:12px 0;
  }

  nav{
    width:100%;
    display:flex;
    flex-wrap:wrap;
    gap:6px;
  }

  .brand img{
    height:32px;
    max-width:140px;
  }

  .hero-card{
    grid-template-columns:1fr;
  }

  .cert-logo{
    width:68px;
    height:68px;
  }
}