/* ═══════════════════════════════════════════════════════════════════════════
   vantera.nl/kennisbank — eigen ontwerp, los van de landingssite en het portaal.
   Documentatie-opzet: balk boven, navigatie links, inhoud midden, "op deze
   pagina" rechts. Alleen de merkkleur is gedeeld; typografie, ritme en
   componenten staan hier op zichzelf.
   ═══════════════════════════════════════════════════════════════════════════ */

@font-face{font-family:'Inter';font-style:normal;font-weight:400;font-display:swap;src:url(/fonts/inter-400.woff2) format('woff2')}
@font-face{font-family:'Inter';font-style:normal;font-weight:500;font-display:swap;src:url(/fonts/inter-500.woff2) format('woff2')}
@font-face{font-family:'Inter';font-style:normal;font-weight:600;font-display:swap;src:url(/fonts/inter-600.woff2) format('woff2')}

:root {
  --d-bg: #FFFFFF;
  --d-bg2: #FBFBFC;          /* zijbalk */
  --d-ink: #1B1F24;
  --d-ink2: #4A5159;
  --d-ink3: #757D85;
  --d-line: #E6E8EB;
  --d-line2: #D6D9DE;
  --d-merk: #E8501F;
  --d-merk-d: #C9440F;
  --d-merk-l: #FDF1EC;
  --d-code: #F4F5F7;
  --d-blauw: #1D4ED8;
  --d-blauw-l: #EEF3FF;
  --d-groen: #157A4E;
  --d-groen-l: #E9F6EF;
  --d-schaduw: 0 1px 2px rgba(27,31,36,.06), 0 8px 24px -12px rgba(27,31,36,.18);

  --d-font: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --d-mono: ui-monospace, SFMono-Regular, 'SF Mono', Menlo, Consolas, monospace;

  --d-balk: 56px;            /* hoogte bovenbalk */
  --d-zij: 272px;            /* breedte navigatie */
  --d-toc: 208px;            /* breedte "op deze pagina" */
}

[data-thema="donker"] {
  --d-bg: #14171A;
  --d-bg2: #101315;
  --d-ink: #E8EAED;
  --d-ink2: #A9B0B7;
  --d-ink3: #7C848C;
  --d-line: #262B30;
  --d-line2: #333940;
  --d-merk: #FF7A4D;
  --d-merk-d: #FF9370;
  --d-merk-l: #2A1811;
  --d-code: #1B1F23;
  --d-blauw: #7FA5FF;
  --d-blauw-l: #161C2A;
  --d-groen: #4CC08A;
  --d-groen-l: #10231A;
  --d-schaduw: 0 1px 2px rgba(0,0,0,.5), 0 8px 24px -12px rgba(0,0,0,.7);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  font-family: var(--d-font); font-size: 15px; line-height: 1.6;
  color: var(--d-ink); background: var(--d-bg); -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
[hidden] { display: none !important; }
:focus-visible { outline: 2px solid var(--d-merk); outline-offset: 2px; border-radius: 4px; }

.d-skip { position: absolute; left: -9999px; top: 8px; z-index: 100; padding: 9px 14px; border-radius: 6px; background: var(--d-ink); color: var(--d-bg); }
.d-skip:focus { left: 8px; }

/* ── Bovenbalk ───────────────────────────────────────────────────────────── */
.d-balk {
  position: sticky; top: 0; z-index: 40; height: var(--d-balk);
  display: flex; align-items: center; gap: 14px; padding: 0 18px;
  background: color-mix(in srgb, var(--d-bg) 88%, transparent);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--d-line);
}
.d-merk { display: flex; align-items: center; gap: 9px; font-weight: 600; font-size: 15px; letter-spacing: -.01em; white-space: nowrap; }
.d-merk img { width: 22px; height: 17px; }
.d-merk span { color: var(--d-ink3); font-weight: 500; }
.d-merk b { font-weight: 600; }

.d-zoekveld { position: relative; flex: 1; max-width: 460px; margin-left: 8px; }
.d-zoekveld input {
  width: 100%; height: 34px; padding: 0 62px 0 34px;
  font: inherit; font-size: 13.5px; color: var(--d-ink);
  background: var(--d-bg2); border: 1px solid var(--d-line2); border-radius: 7px;
  transition: border-color .13s, box-shadow .13s, background-color .13s;
}
.d-zoekveld input::placeholder { color: var(--d-ink3); }
.d-zoekveld input:focus { outline: 0; background: var(--d-bg); border-color: var(--d-merk); box-shadow: 0 0 0 3px color-mix(in srgb, var(--d-merk) 16%, transparent); }
.d-zoekveld > svg { position: absolute; left: 10px; top: 50%; transform: translateY(-50%); width: 15px; height: 15px; color: var(--d-ink3); pointer-events: none; }
.d-sneltoets {
  position: absolute; right: 8px; top: 50%; transform: translateY(-50%);
  font-family: var(--d-mono); font-size: 11px; color: var(--d-ink3);
  border: 1px solid var(--d-line2); border-bottom-width: 2px; border-radius: 5px; padding: 1px 6px;
  pointer-events: none;
}
.d-zoekveld input:focus ~ .d-sneltoets, .d-zoekveld input:not(:placeholder-shown) ~ .d-sneltoets { display: none; }
.d-wis { position: absolute; right: 6px; top: 50%; transform: translateY(-50%); width: 22px; height: 22px; border-radius: 5px; display: none; place-items: center; color: var(--d-ink3); }
.d-wis:hover { background: var(--d-code); color: var(--d-ink); }
.d-zoekveld.heeft .d-wis { display: grid; }

.d-balk-rechts { margin-left: auto; display: flex; align-items: center; gap: 4px; }
.d-balk-link { padding: 7px 11px; border-radius: 7px; font-size: 13.5px; color: var(--d-ink2); white-space: nowrap; }
.d-balk-link:hover { background: var(--d-code); color: var(--d-ink); }
.d-balk-knop {
  padding: 7px 13px; border-radius: 7px; font-size: 13.5px; font-weight: 500;
  color: #fff; background: var(--d-merk); white-space: nowrap;
}
.d-balk-knop:hover { background: var(--d-merk-d); }
.d-balk-knop .kort { display: none; }
[data-thema="donker"] .d-balk-knop { color: #1B1008; }

.d-menuknop { display: none; width: 34px; height: 34px; border-radius: 7px; place-items: center; color: var(--d-ink2); }
.d-menuknop:hover { background: var(--d-code); }

/* ── Raamwerk ────────────────────────────────────────────────────────────── */
.d-raam { display: grid; grid-template-columns: var(--d-zij) minmax(0, 1fr); align-items: start; }

.d-zijbalk {
  position: sticky; top: var(--d-balk); height: calc(100vh - var(--d-balk));
  overflow-y: auto; overscroll-behavior: contain;
  padding: 22px 14px 40px; border-right: 1px solid var(--d-line); background: var(--d-bg2);
}
.d-zij-groep + .d-zij-groep { margin-top: 22px; }
.d-zij-kop {
  padding: 0 10px 6px; font-size: 11px; font-weight: 600; letter-spacing: .07em;
  text-transform: uppercase; color: var(--d-ink3);
}
.d-zij-link {
  display: block; padding: 6px 10px; margin-left: 8px; font-size: 13.5px; color: var(--d-ink2);
  border-left: 2px solid var(--d-line); line-height: 1.45;
}
.d-zij-link:hover { color: var(--d-ink); border-left-color: var(--d-line2); }
.d-zij-link.aan { color: var(--d-merk-d); font-weight: 600; border-left-color: var(--d-merk); background: color-mix(in srgb, var(--d-merk) 6%, transparent); border-radius: 0 6px 6px 0; }
[data-thema="donker"] .d-zij-link.aan { color: var(--d-merk); }
.d-zij-geen { padding: 10px; font-size: 13px; color: var(--d-ink3); }

.d-zij-uit {
  margin-top: 26px; padding: 14px 12px; border: 1px solid var(--d-line); border-radius: 10px;
  background: var(--d-bg);
}
.d-zij-uit b { display: block; font-size: 13px; }
.d-zij-uit p { margin: 3px 0 10px; font-size: 12.5px; color: var(--d-ink3); line-height: 1.5; }

/* ── Inhoud ──────────────────────────────────────────────────────────────── */
.d-blad { display: grid; grid-template-columns: minmax(0, 1fr) var(--d-toc); gap: 48px; padding: 34px 44px 72px; max-width: 1180px; }
.d-blad--vol { grid-template-columns: minmax(0, 1fr); }
.d-inhoud { max-width: 760px; min-width: 0; }

.d-kruimel { display: flex; align-items: center; gap: 7px; font-size: 12.5px; color: var(--d-ink3); margin-bottom: 14px; flex-wrap: wrap; }
.d-kruimel a:hover { color: var(--d-merk-d); }
.d-kruimel i { font-style: normal; opacity: .5; }

.d-label {
  display: inline-block; padding: 2px 9px; border-radius: 999px;
  font-size: 11.5px; font-weight: 600; letter-spacing: .02em;
  color: var(--d-merk-d); background: var(--d-merk-l);
}
[data-thema="donker"] .d-label { color: var(--d-merk); }
.d-leestijd { font-size: 12.5px; color: var(--d-ink3); margin-left: 10px; }

.d-inhoud h1 { font-size: 32px; font-weight: 600; letter-spacing: -.025em; line-height: 1.2; margin: 12px 0 0; }
.d-lead { margin-top: 12px; font-size: 17px; line-height: 1.62; color: var(--d-ink2); }

.d-inhoud h2 {
  font-size: 20px; font-weight: 600; letter-spacing: -.015em; line-height: 1.3;
  margin: 40px 0 0; padding-top: 24px; border-top: 1px solid var(--d-line);
  scroll-margin-top: calc(var(--d-balk) + 20px);
}
.d-inhoud h2:first-child { margin-top: 26px; }
.d-inhoud h2 .d-anker { opacity: 0; margin-left: 8px; font-weight: 400; color: var(--d-ink3); }
.d-inhoud h2:hover .d-anker { opacity: 1; }
.d-inhoud p { margin-top: 12px; font-size: 15px; line-height: 1.75; color: var(--d-ink2); }
.d-inhoud strong { color: var(--d-ink); font-weight: 600; }
.d-inhoud code { font-family: var(--d-mono); font-size: 13px; padding: 2px 5px; border-radius: 5px; background: var(--d-code); }
 /* Alleen links in lopende tekst krijgen de link-opmaak; kaarten en knoppen
    zijn zelf een link en zouden anders helemaal onderstreept worden. */
.d-inhoud p a:not(.d-knop):not(.d-anker) { color: var(--d-merk-d); text-decoration: underline; text-underline-offset: 2px; text-decoration-thickness: 1px; }
[data-thema="donker"] .d-inhoud p a:not(.d-knop):not(.d-anker) { color: var(--d-merk); }

/* Knoppen */
.d-knop {
  display: inline-flex; align-items: center; gap: 7px; padding: 8px 15px; border-radius: 8px;
  font-size: 14px; font-weight: 500; border: 1px solid transparent;
}
.d-knop svg { width: 15px; height: 15px; }
.d-knop--primair { background: var(--d-merk); color: #fff; }
.d-knop--primair:hover { background: var(--d-merk-d); }
[data-thema="donker"] .d-knop--primair { color: #1B1008; }
.d-knop--rand { border-color: var(--d-line2); color: var(--d-ink); background: var(--d-bg); }
.d-knop--rand:hover { border-color: var(--d-ink3); }
.d-knop--klein { padding: 6px 12px; font-size: 13px; }

/* Melding / callout */
.d-melding {
  margin-top: 22px; padding: 14px 16px; border-radius: 10px;
  border: 1px solid var(--d-line); border-left: 3px solid var(--d-merk); background: var(--d-bg2);
}
.d-melding b { display: block; font-size: 13.5px; margin-bottom: 3px; }
.d-melding p { margin: 0; font-size: 13.5px; line-height: 1.65; }

/* Vraag-en-antwoord */
.d-vraag { border-bottom: 1px solid var(--d-line); }
.d-vraag:first-of-type { border-top: 1px solid var(--d-line); }
.d-vraag summary {
  display: flex; align-items: flex-start; justify-content: space-between; gap: 16px;
  padding: 15px 2px; font-size: 15px; font-weight: 500; cursor: pointer; list-style: none;
}
.d-vraag summary::-webkit-details-marker { display: none; }
.d-vraag summary:hover { color: var(--d-merk-d); }
.d-vraag summary i { flex: 0 0 auto; width: 18px; height: 18px; color: var(--d-ink3); transition: transform .16s; }
.d-vraag summary i svg { width: 18px; height: 18px; }
.d-vraag[open] summary i { transform: rotate(45deg); }
.d-vraag p { margin: 0 0 16px; padding-right: 34px; font-size: 14.5px; }

/* Artikelenlijst (overzichtspagina) */
.d-groep { margin-top: 38px; }
.d-groep-kop { display: flex; align-items: baseline; gap: 10px; padding-bottom: 8px; border-bottom: 1px solid var(--d-line); }
.d-groep-kop h2 { font-size: 15px; font-weight: 600; letter-spacing: 0; margin: 0; padding: 0; border: 0; }
.d-groep-kop span { font-size: 12.5px; color: var(--d-ink3); }

.d-kaartrij { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin-top: 14px; }
.d-kaart {
  display: block; padding: 15px 16px; border: 1px solid var(--d-line); border-radius: 10px;
  background: var(--d-bg); transition: border-color .14s, box-shadow .14s, transform .14s;
}
.d-kaart:hover { border-color: var(--d-line2); box-shadow: var(--d-schaduw); transform: translateY(-1px); }
.d-kaart-kop { display: flex; align-items: center; gap: 9px; }
.d-kaart-ic { width: 26px; height: 26px; flex: 0 0 auto; border-radius: 7px; display: grid; place-items: center; background: var(--d-merk-l); color: var(--d-merk-d); }
.d-kaart-ic svg { width: 14px; height: 14px; }
[data-thema="donker"] .d-kaart-ic { color: var(--d-merk); }
.d-kaart b { font-size: 14.5px; font-weight: 600; letter-spacing: -.01em; line-height: 1.35; }
.d-kaart p { margin: 8px 0 0; font-size: 13px; line-height: 1.6; color: var(--d-ink3); }
.d-kaart-voet { margin-top: 10px; font-size: 12px; color: var(--d-ink3); }

/* Op deze pagina */
.d-toc { position: sticky; top: calc(var(--d-balk) + 34px); max-height: calc(100vh - var(--d-balk) - 60px); overflow-y: auto; }
.d-toc-kop { font-size: 11px; font-weight: 600; letter-spacing: .07em; text-transform: uppercase; color: var(--d-ink3); margin-bottom: 8px; }
.d-toc nav { display: flex; flex-direction: column; border-left: 1px solid var(--d-line); }
.d-toc a { padding: 5px 0 5px 12px; margin-left: -1px; font-size: 13px; line-height: 1.45; color: var(--d-ink3); border-left: 2px solid transparent; }
.d-toc a:hover { color: var(--d-ink); }
.d-toc a.aan { color: var(--d-merk-d); border-left-color: var(--d-merk); }
[data-thema="donker"] .d-toc a.aan { color: var(--d-merk); }

/* Vorige / volgende */
.d-verder { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 44px; padding-top: 26px; border-top: 1px solid var(--d-line); }
.d-verder a { padding: 13px 15px; border: 1px solid var(--d-line); border-radius: 10px; transition: border-color .14s; }
.d-verder a:hover { border-color: var(--d-line2); }
.d-verder span { display: block; font-size: 11.5px; color: var(--d-ink3); }
.d-verder b { display: block; margin-top: 3px; font-size: 14px; font-weight: 500; letter-spacing: -.01em; line-height: 1.4; }
.d-verder .rechts { text-align: right; }

/* Voettekst van de kennisbank */
.d-voet {
  margin-top: 52px; padding-top: 22px; border-top: 1px solid var(--d-line);
  display: flex; flex-wrap: wrap; align-items: center; gap: 8px 18px;
  font-size: 12.5px; color: var(--d-ink3);
}
.d-voet a:hover { color: var(--d-merk-d); }
.d-voet .rechts { margin-left: auto; display: flex; gap: 16px; }

/* Overlay voor de mobiele navigatie */
.d-scherm { display: none; position: fixed; inset: var(--d-balk) 0 0; z-index: 30; background: rgba(27,31,36,.4); }

/* ── Smalle schermen ─────────────────────────────────────────────────────── */
@media (max-width: 1180px) {
  .d-blad { grid-template-columns: minmax(0, 1fr); gap: 0; padding: 30px 32px 64px; }
  .d-toc { display: none; }
}

@media (max-width: 900px) {
  .d-raam { grid-template-columns: minmax(0, 1fr); }
  .d-menuknop { display: grid; }
  .d-zijbalk {
    position: fixed; top: var(--d-balk); left: 0; bottom: 0; z-index: 35; width: 280px;
    transform: translateX(-100%); transition: transform .2s ease; box-shadow: var(--d-schaduw);
  }
  body.d-open .d-zijbalk { transform: none; }
  body.d-open .d-scherm { display: block; }
  .d-blad { padding: 26px 20px 56px; }
  .d-inhoud h1 { font-size: 27px; }
  .d-lead { font-size: 16px; }
  .d-kaartrij { grid-template-columns: minmax(0, 1fr); }
  .d-verder { grid-template-columns: minmax(0, 1fr); }
  .d-balk { padding: 0 12px; gap: 8px; }
  .d-merk span { display: none; }
  .d-balk-link { display: none; }
  .d-sneltoets { display: none; }
}

@media (max-width: 620px) {
  .d-balk-knop .lang { display: none; }
  .d-balk-knop .kort { display: inline; }
}

@media (max-width: 560px) {
  .d-groep-kop { display: block; }
  .d-groep-kop span { display: block; margin-top: 2px; }
  .d-voet .rechts { margin-left: 0; }
}