/* =====================================================
   BASE.CSS — Reset, CSS-variabelen, typografie, utility
   ===================================================== */

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --groen:       #1a3a2a;
  --groen-mid:   #2d5c42;
  --groen-licht: #4a8c64;
  --geel:        #d4e84a;
  --geel-zacht:  #e8f285;
  --creme:       #f5f0e8;
  --wit:         #fafaf7;
  --tekst:       #0e1f16;
  --nav-h:       5rem;
}

html {
  scroll-behavior: smooth;
  height: 100%;
}

body {
  font-family: 'DM Sans', sans-serif;
  background: var(--wit);
  color: var(--tekst);
  overflow-x: hidden;
}

section {
  scroll-margin-top: var(--nav-h);
}

/* ── Sectie label (klein kapitaal boven titels) ── */
.sectie-label {
  font-size: .72rem;
  font-weight: 500;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--groen-licht);
  margin-bottom: 16px;
  display: block;
}

/* ── Knoppen ── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--geel);
  color: var(--groen);
  font-weight: 600;
  font-size: .9rem;
  padding: 15px 30px;
  border-radius: 3px;
  text-decoration: none;
  transition: background .25s ease, transform .25s ease, box-shadow .25s ease;
}
.btn-primary:hover {
  background: var(--geel-zacht);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(212,232,74,.35);
}
.btn-primary svg { transition: transform .25s ease; }
.btn-primary:hover svg { transform: translateX(5px); }

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  border: 1px solid rgba(245,240,232,.28);
  color: var(--creme);
  font-weight: 400;
  font-size: .9rem;
  padding: 15px 30px;
  border-radius: 3px;
  text-decoration: none;
  transition: border-color .25s ease, background .25s ease;
}
.btn-outline:hover {
  border-color: var(--geel);
  background: rgba(212,232,74,.06);
}

/* ── Fade-in / slide-up animaties ── */
.fade-in {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .7s ease, transform .7s ease;
}
.fade-in.zichtbaar { opacity: 1; transform: translateY(0); }

.slide-up {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity .7s ease, transform .7s ease;
}
.slide-up.zichtbaar { opacity: 1; transform: translateY(0); }

.fade-in.d1, .slide-up.d1 { transition-delay: .1s; }
.fade-in.d2, .slide-up.d2 { transition-delay: .2s; }
.fade-in.d3, .slide-up.d3 { transition-delay: .3s; }

/* Fallback: toon alles als JS niet werkt */
@media print { .fade-in, .slide-up { opacity: 1; transform: none; } }

/* ── WhatsApp floating button ── */
.whatsapp-btn {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 300;
  width: 56px;
  height: 56px;
  background: #25d366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37,211,102,.4);
  transition: transform .2s, box-shadow .2s;
}
.whatsapp-btn:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 28px rgba(37,211,102,.5);
}