:root {
  --green: #4c9c2c;
  --green-dark: #3d7d23;
  --anth: #3c3b42;
  --purple: #3a1c39;
  --bg: #f3f5f2;
  --line: #dce1d8;
  --field: #c7cdc2;
  --tint: #edf5e8;
  --muted: #6b6a72;
  --red: #b42318;
  --display: 'Advent Pro', 'Roboto', sans-serif;
  --text: 'Roboto', system-ui, sans-serif;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--bg);
  color: var(--anth);
  font: 400 16px/1.55 var(--text);
}

a { color: var(--green-dark); }
:focus-visible { outline: 3px solid var(--green); outline-offset: 2px; }

/* Header */
.top { background: #fff; border-bottom: 4px solid var(--green); }
.top-inner {
  max-width: 1120px; margin: 0 auto; padding: 14px 24px;
  display: flex; align-items: center; justify-content: space-between;
}
.brand img { display: block; height: 44px; width: auto; }
.lang { display: flex; gap: 4px; }
.lang a {
  font: 600 15px var(--display); letter-spacing: .02em;
  color: var(--anth); text-decoration: none; padding: 6px 10px; border-radius: 4px;
}
.lang a[aria-current] { background: var(--anth); color: #fff; }

main { max-width: 1120px; margin: 0 auto; padding: 0 24px; }

/* Intro */
.intro { padding: 48px 0 28px; max-width: 760px; }
.intro h1 {
  font: 700 clamp(40px, 6vw, 64px)/1 var(--display);
  color: var(--purple); margin: 0 0 18px; letter-spacing: -.01em;
}
.lead { font-size: 18px; margin: 0 0 12px; max-width: 62ch; }
.note { color: var(--muted); font-size: 14px; margin: 0; }

.banner {
  background: #fdf0ef; border-left: 4px solid var(--red); color: var(--red);
  padding: 12px 16px; margin: 0 0 24px; border-radius: 0 4px 4px 0; font-weight: 500;
}

/* Layout */
.layout { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 40px; align-items: start; }
.toc { position: sticky; top: 24px; }
.toc ol { list-style: none; margin: 0; padding: 0; counter-reset: s; border-left: 2px solid var(--line); }
.toc li { counter-increment: s; }
.toc a {
  display: block; padding: 7px 0 7px 14px; margin-left: -2px; border-left: 2px solid transparent;
  color: var(--anth); text-decoration: none; font-size: 14px;
}
.toc a::before { content: counter(s) '  '; font: 600 15px var(--display); color: var(--green); }
.toc a:hover { border-left-color: var(--green); }

/* Secties */
.sec {
  background: #fff; border: 1px solid var(--line); border-radius: 6px;
  padding: 28px 32px 32px; margin-bottom: 20px; scroll-margin-top: 20px;
}
.sec-head { display: flex; gap: 18px; align-items: flex-start; margin-bottom: 24px; }
.sec-no {
  font: 700 56px/.8 var(--display); color: var(--green); min-width: 34px;
}
.sec h2 { font: 700 28px/1.1 var(--display); color: var(--purple); margin: 0 0 6px; }
.sec-intro { margin: 0; color: var(--muted); font-size: 15px; max-width: 60ch; }

.grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px 24px; }
.fld { min-width: 0; }
.fld.wide { grid-column: 1 / -1; }

.lbl { display: block; font-weight: 500; font-size: 14px; margin-bottom: 6px; }

input[type=text], input[type=email], input[type=tel], input[type=date], select, textarea {
  width: 100%; font: 400 16px var(--text); color: var(--anth);
  border: 1px solid var(--field); border-radius: 4px; background: #fff;
  padding: 10px 12px; min-height: 44px;
}
textarea { resize: vertical; }
input:focus, select:focus, textarea:focus { border-color: var(--green); outline: none; box-shadow: 0 0 0 3px rgba(76,156,44,.2); }
input:disabled, select:disabled { background: #f1f2f0; color: #9a9a9f; }

.num { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.num input { flex: 1 1 110px; }
.num select { width: auto; flex: 0 0 auto; }
.unk { display: inline-flex; gap: 6px; align-items: center; font-size: 14px; color: var(--muted); white-space: nowrap; }

/* Keuzes */
.choices { display: flex; flex-wrap: wrap; gap: 8px; }
.pill { position: relative; }
.pill input, .tile input { position: absolute; opacity: 0; pointer-events: none; }
.pill span {
  display: inline-block; padding: 9px 14px; border: 1px solid var(--field); border-radius: 4px;
  font-size: 15px; cursor: pointer; background: #fff;
}
.pill input:checked + span { background: var(--green); border-color: var(--green); color: #fff; }
.pill input:focus-visible + span, .tile input:focus-visible + .tile-body { outline: 3px solid var(--green); outline-offset: 2px; }

.tiles { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 10px; }
.tiles.with-img { grid-template-columns: repeat(auto-fill, minmax(128px, 1fr)); }
.tile-body {
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 6px;
  height: 100%; min-height: 56px; padding: 10px; border: 1px solid var(--field); border-radius: 6px;
  cursor: pointer; background: #fff; text-align: center;
}
.tile-body img { width: 100%; height: 64px; object-fit: contain; }
.tile-lbl { font-size: 14px; line-height: 1.25; }
.tile input:checked + .tile-body { border: 2px solid var(--green); background: var(--tint); padding: 9px; }
.tile-unk .tile-body { border-style: dashed; color: var(--muted); }

.check { display: flex; gap: 10px; align-items: flex-start; font-size: 15px; cursor: pointer; }
.check input { width: 18px; height: 18px; margin-top: 3px; accent-color: var(--green); }
.unk input { accent-color: var(--green); }

.help { font-size: 13px; color: var(--muted); margin: 6px 0 0; max-width: 70ch; }
.err { font-size: 13px; color: var(--red); margin: 6px 0 0; font-weight: 500; }
.has-err input, .has-err select, .has-err textarea, .has-err .pill span, .has-err .tile-body { border-color: var(--red); }

/* Aandrijflijn blokken */
.block {
  border: 1px solid var(--line); border-left: 4px solid var(--purple); border-radius: 4px;
  padding: 18px 20px 22px; margin: 22px 0 0;
}
.block legend { font: 700 20px var(--display); color: var(--purple); padding: 0 8px; }

/* Verzenden */
.submit-row { padding: 8px 0 56px; }
.btn {
  display: inline-block; background: var(--green); color: #fff; border: 0; border-radius: 4px;
  font: 600 21px var(--display); letter-spacing: .02em; padding: 14px 32px; cursor: pointer; text-decoration: none;
}
.btn:hover { background: var(--green-dark); }
.btn:disabled { opacity: .6; cursor: progress; }
.btn-ghost { background: transparent; color: var(--green-dark); border: 2px solid var(--green); }
.btn-ghost:hover { background: var(--tint); }

.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

/* Bedankt */
.thanks .ref { display: flex; flex-direction: column; gap: 4px; margin: 28px 0; }
.thanks .ref span { font-size: 14px; color: var(--muted); }
.thanks .ref strong { font: 700 40px var(--display); color: var(--green); letter-spacing: .03em; }

/* Footer */
.foot { text-align: center; padding: 24px; border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; }
.foot p { margin: 4px 0; }
.foot .small { font-size: 12px; }

@media (max-width: 900px) {
  .layout { grid-template-columns: 1fr; }
  .toc { display: none; }
}
@media (max-width: 600px) {
  main { padding: 0 14px; }
  .sec { padding: 22px 18px 24px; }
  .grid { grid-template-columns: 1fr; }
  .sec-no { font-size: 44px; }
  .sec h2 { font-size: 24px; }
  .block { padding: 14px 12px 18px; }
}