:root{
  /* Brand */
  --primary:#2563eb;
  --primary-600:#1d4ed8;
  --secondary:#0b1220;
  --surface:#0f172a;

  /* Text */
  --text:#0f172a;
  --muted:#475569;
  --on-dark:#f8fafc;

  /* Backgrounds */
  --bg:#ffffff;
  --bg-soft:#f5f7fb;

  /* Cards */
  --card:#111c33;
  --card-border:rgba(255,255,255,.10);

  /* Effects */
  --radius:14px;
  --radius-sm:10px;
  --shadow:0 10px 25px rgba(2,6,23,.10);
  --shadow-strong:0 18px 45px rgba(2,6,23,.18);
  --ring:0 0 0 3px rgba(37,99,235,.25);

  /* Layout */
  --container:1120px;
  --header-h:72px;
  --gap:1.25rem;
}

/* Reset */
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:'Inter',system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;
  color:var(--text);
  background:var(--bg);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block}
a{color:inherit}
:focus-visible{outline:none; box-shadow:var(--ring); border-radius:8px}

/* Skip link */
.skip-link{
  position:absolute; left:0; top:-60px;
  background:var(--secondary);
  color:var(--on-dark);
  padding:.75rem 1rem;
  border-radius:0 0 var(--radius-sm) 0;
  z-index:9999;
  transition:top .2s ease;
}
.skip-link:focus{top:0}

/* Container */
.container{width:min(92%, var(--container)); margin:0 auto}

/* Sections */
section{
  padding:clamp(3rem, 5vw, 5rem) 0;
  scroll-margin-top:calc(var(--header-h) + 16px);
}

/* Header */
header{
  position:sticky;
  top:0;
  z-index:1000;
  background:linear-gradient(180deg, rgba(11,18,32,.98), rgba(11,18,32,.92));
  backdrop-filter:blur(10px);
  border-bottom:1px solid rgba(255,255,255,.08);
}
.header-container{
  display:flex;
  align-items:center;
  justify-content:space-between;
  height:var(--header-h);
  gap:1rem;
}
.logo{
  font-weight:900;
  letter-spacing:.10em;
  font-size:1.05rem;
  color:var(--on-dark);
}

/* Nav */
nav ul{
  display:flex;
  list-style:none;
  margin:0;
  padding:0;
  gap:1.25rem;
}
nav a{
  color:rgba(248,250,252,.9);
  text-decoration:none;
  font-weight:700;
  font-size:.95rem;
  padding:.4rem .2rem;
  position:relative;
}
nav a:hover{color:#fff}
nav a::after{
  content:"";
  position:absolute;
  left:0; bottom:-8px;
  height:2px; width:0;
  background:var(--primary);
  transition:width .2s ease;
}
nav a:hover::after{width:100%}

/* Mobile menu button */
.mobile-menu-toggle{
  display:none;
  width:44px;
  height:44px;
  border:1px solid rgba(255,255,255,.14);
  border-radius:12px;
  background:rgba(255,255,255,.06);
  cursor:pointer;
}
.mobile-menu-toggle span{
  display:block;
  width:20px;
  height:2px;
  background:#fff;
  margin:4px auto;
  transition:.2s ease;
}
.mobile-menu-toggle.active span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.mobile-menu-toggle.active span:nth-child(2){opacity:0}
.mobile-menu-toggle.active span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* HERO */
.hero{
  padding-top:clamp(2.2rem, 6vw, 5rem);
  padding-bottom:clamp(1.8rem, 5vw, 4rem);
  background:
    radial-gradient(900px 500px at 50% 0%, rgba(37,99,235,.14), transparent 60%),
    linear-gradient(180deg, var(--bg-soft), #fff);
  text-align:center;
}
.hero h1{
  margin:0 0 .6rem 0;
  font-size:clamp(2.2rem, 5vw, 3.4rem);
  letter-spacing:-0.02em;
}
.hero-subtitle{
  margin:0 auto 1.6rem auto;
  max-width:780px;
  color:var(--muted);
  font-size:clamp(1.05rem, 2.2vw, 1.25rem);
}
.hero-buttons{
  display:flex;
  gap:.9rem;
  justify-content:center;
  flex-wrap:wrap;
  margin-top:.5rem;
}

/* Buttons */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:.5rem;
  padding:.85rem 1.2rem;
  border-radius:999px;
  font-weight:800;
  text-decoration:none;
  border:1px solid transparent;
  transition:transform .15s ease, box-shadow .15s ease, background .15s ease, border-color .15s ease;
  min-width:220px;
}
.btn-primary{
  background:linear-gradient(180deg, var(--primary), var(--primary-600));
  color:#fff;
  box-shadow:var(--shadow);
}
.btn-primary:hover{transform:translateY(-2px); box-shadow:var(--shadow-strong)}
.btn-secondary{
  background:#fff;
  color:var(--text);
  border-color:rgba(15,23,42,.18);
}
.btn-secondary:hover{transform:translateY(-2px); box-shadow:var(--shadow)}

/* Aanpak (card + slider) */
.aanpak{padding-top:0}
.aanpak-container{
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:clamp(1.25rem, 3vw, 2rem);
  align-items:center;

  margin-top:1rem;
  background:#fff;
  border:1px solid rgba(15,23,42,.10);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  padding:clamp(1rem, 3vw, 1.6rem);
}
.aanpak-afbeeldingen{
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  background: #0b1220;
  aspect-ratio: 16 / 10;
  min-height: 240px;
}
.aanpak-afbeeldingen img{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:cover;
  opacity:0;
  transform:scale(1.02);
  transition: opacity .6s ease, transform .7s ease;
}
.aanpak-afbeeldingen img.active{
  opacity:1;
  transform:scale(1);
  z-index:2;
}
.aanpak-tekst h2{
  margin:0 0 .6rem 0;
  font-size:clamp(1.6rem, 3vw, 2.1rem);
}
.aanpak-tekst p{
  margin:0;
  color:var(--muted);
  font-size:1.05rem;
  max-width:60ch;
}

/* Section titles */
.section-title{
  margin:0 0 1.4rem 0;
  font-size:clamp(1.6rem, 3vw, 2.1rem);
  letter-spacing:-0.015em;
}

/* Services */
.services-grid{
  display:grid;
  grid-template-columns:repeat(4, minmax(0,1fr));
  gap:var(--gap);
}
.service-card{
  background:linear-gradient(180deg, rgba(17,28,51,1), rgba(15,23,42,1));
  color:var(--on-dark);
  border:1px solid var(--card-border);
  border-radius:var(--radius);
  padding:1.6rem 1.4rem;
  box-shadow:var(--shadow);
  transition:transform .15s ease, box-shadow .15s ease, border-color .15s ease;
  text-align:left;
}
.service-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-strong);
  border-color:rgba(37,99,235,.35);
}
.service-icon{
  width:44px; height:44px;
  display:grid; place-items:center;
  border-radius:12px;
  background:rgba(37,99,235,.18);
  border:1px solid rgba(37,99,235,.28);
  margin-bottom:.9rem;
}
.service-card h3{margin:0 0 .4rem 0; font-size:1.15rem}
.service-card p{margin:0; color:rgba(248,250,252,.86)}

/* Achievements (professioneler) */
.achievements{
  background:
    radial-gradient(1000px 520px at 50% 0%, rgba(37,99,235,.12), transparent 60%),
    linear-gradient(180deg, var(--secondary), var(--surface));
}
.achievements__header{text-align:center; margin-bottom:2rem}
.achievements__title{
  color:var(--on-dark);
  margin:0 0 .35rem 0;
  font-size:clamp(1.85rem, 3.2vw, 2.5rem);
  letter-spacing:-0.02em;
}
.achievements__subtitle{
  color:rgba(248,250,252,.78);
  margin:0 auto;
  max-width:70ch;
}
.achievements__grid{
  display:grid;
  grid-template-columns:repeat(3, minmax(0,1fr));
  gap:var(--gap);
}
.achievement-card{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.10);
  border-radius:var(--radius);
  padding:1.9rem 1.3rem;
  box-shadow:var(--shadow);
  transition: transform .15s ease, border-color .15s ease, background .15s ease;
}
.achievement-card:hover{
  transform: translateY(-3px);
  border-color: rgba(147,197,253,.35);
  background: rgba(255,255,255,.08);
}
.achievement-card__content{text-align:center}
.achievement-card__value{
  display:block;
  font-size:clamp(2.2rem, 4vw, 2.9rem);
  font-weight:900;
  color:#93c5fd;
  margin:.1rem 0 .55rem 0;
}
.achievement-card__label{
  margin:0;
  color:rgba(248,250,252,.92);
  font-weight:800;
  line-height:1.25;
  letter-spacing:.01em;
}

/* Contact */
.contact{background:var(--bg)}
.contact-grid{
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:2rem;
  align-items:start;
}
.contact-form, .contact-info{
  background:#fff;
  border:1px solid rgba(15,23,42,.10);
  border-radius:var(--radius);
  padding:1.4rem;
  box-shadow:var(--shadow);
}
.contact-info h3{margin:0 0 .5rem 0}
.contact-info p{margin:.25rem 0; color:var(--muted)}
.contact-info a{color:var(--primary); text-decoration:none}
.contact-info a:hover{text-decoration:underline}

.form-group{margin-bottom:1rem}
label{display:block; font-weight:800; margin:0 0 .35rem 0}
input, textarea{
  width:100%;
  padding:.9rem 1rem;
  border:1px solid rgba(15,23,42,.18);
  border-radius:12px;
  font-size:1rem;
  transition:box-shadow .15s ease, border-color .15s ease;
  background:#fff;
}
input:focus, textarea:focus{
  outline:none;
  border-color:rgba(37,99,235,.65);
  box-shadow:var(--ring);
}
textarea{min-height:140px; resize:vertical}

/* Feedback */
.form-feedback{
  padding:.9rem 1rem;
  margin-bottom:1rem;
  border-radius:12px;
  font-weight:800;
}
.form-feedback.success{background:#dcfce7; color:#14532d; border:1px solid #86efac}
.form-feedback.error{background:#fee2e2; color:#7f1d1d; border:1px solid #fca5a5}

/* Footer */
footer{
  background:linear-gradient(180deg, var(--secondary), var(--surface));
  color:rgba(248,250,252,.92);
  padding:2.2rem 0;
  border-top:1px solid rgba(255,255,255,.08);
}
.copyright{text-align:center; font-size:.95rem}
.copyright a{color:rgba(248,250,252,.92); text-decoration:none}
.copyright a:hover{text-decoration:underline}

/* Footer layout */
.footer-inner{
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:.9rem;
}
.footer-inner .copyright{ text-align:center; }

/* Social icon */
.social-link{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:44px;
  height:44px;
  border-radius:999px;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.14);
  color: rgba(248,250,252,.95);
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
}
.social-link:hover{
  transform: translateY(-2px);
  background: rgba(37,99,235,.18);
  box-shadow: var(--shadow);
}
.social-link svg{width:20px;height:20px}

/* Desktop footer: links tekst, rechts icon */
@media (min-width: 900px){
  .footer-inner{
    flex-direction:row;
    justify-content:space-between;
    align-items:center;
  }
  .footer-inner .copyright{ text-align:left; }
}

/* ✅ News/Learn cards: lange tekst netjes */
#items{display:grid; gap:var(--gap)}
#items .service-card{ padding:1.4rem }
#items .service-card p{
  white-space:pre-wrap;
  overflow-wrap:anywhere;
  line-height:1.7;
  color:rgba(248,250,252,.9);
  max-width:75ch;
  margin:0 auto;
}
#items .service-card h3{
  text-align:center;
  font-size:1.35rem;
}
#items .service-card .meta{
  text-align:center;
  opacity:.85;
  margin:0 0 .8rem 0;
}

/* Responsive */
@media (max-width: 980px){
  .services-grid{grid-template-columns:repeat(2, minmax(0,1fr))}
  .achievements__grid{grid-template-columns:repeat(2, minmax(0,1fr))}
  .aanpak-container{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
  .aanpak-tekst{padding-top:.9rem}
}

@media (max-width: 768px){
  .mobile-menu-toggle{display:block}

  nav{
    position:fixed;
    top:var(--header-h);
    right:-100%;
    width:min(320px, 85vw);
    height:calc(100vh - var(--header-h));
    background:rgba(11,18,32,.98);
    border-left:1px solid rgba(255,255,255,.10);
    padding:1.2rem;
    transition:right .2s ease;
  }
  nav.active{right:0}

  nav ul{flex-direction:column; gap:.6rem}
  nav a{
    display:block;
    padding:.9rem .8rem;
    border-radius:12px;
    background:rgba(255,255,255,.04);
  }

  .btn{min-width:0; width:min(520px, 92vw)}
  .achievements__grid{grid-template-columns:1fr}

  /* Foto blijft netjes op mobiel */
  .aanpak-afbeeldingen{
    aspect-ratio:16/11;
    min-height:220px;
    max-height:320px;
  }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce){
  *{transition:none !important; scroll-behavior:auto !important}
}