/* Lettertypen van de eigen server: geen verbinding met Google, en ze staan er
   voordat het eerste beeld wordt getekend, dus de pagina verspringt niet. */

@font-face {
  font-family: "Big Shoulders Display";
  font-style: normal;
  font-weight: 800;
  font-display: swap;
  src: url("fonts/bigshoulders-800.woff2") format("woff2");
}

@font-face {
  font-family: "IBM Plex Mono";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("fonts/plexmono-400.woff2") format("woff2");
}

@font-face {
  font-family: "IBM Plex Mono";
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("fonts/plexmono-600.woff2") format("woff2");
}

/* SIT Wordle, house style for the intro and the client.
   Deliberately not the dark reference client: this reads on a projector in a lit room.
   Flat planes, hard 2px rules, no blur, no gradients, no rounded corners. */

:root {
  --papier: #f2ede3;
  --papier-diep: #e6ded0;
  --inkt: #16150f;
  --gedempt: #5c5647;
  --lijn: #16150f;
  --goud: #f29e18;
  --goud-diep: #8a5405;
  --groen: #4ade80;
  --groen-diep: #0f5c2e;
  --rood: #b3261e;
  --blauw: #1d4ed8;
  --afwezig: #bab3a2;
  --randgrijs: #8a8474;
  --kop: "Big Shoulders Display", "Haettenschweiler", Impact, sans-serif;
  --tekst: "IBM Plex Mono", "Courier New", monospace;
}

* { box-sizing: border-box; }

html {
  background: var(--papier);
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--papier);
  color: var(--inkt);
  font-family: var(--tekst);
  font-size: 15px;
  line-height: 1.65;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.overslaan {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--inkt);
  color: var(--papier);
  padding: 10px 16px;
  z-index: 50;
}
.overslaan:focus { left: 0; }

a { color: var(--blauw); text-underline-offset: 3px; }
a:hover { color: var(--goud-diep); }

:focus-visible {
  outline: 3px solid var(--blauw);
  outline-offset: 2px;
}

/* ---- balk bovenaan ---------------------------------------------------- */

.balk {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 14px 24px;
  border-bottom: 2px solid var(--lijn);
  background: var(--papier);
}
.balk img { height: 34px; width: auto; display: block; }
.balk .streep { width: 2px; height: 26px; background: var(--lijn); }
.balk .naam {
  font-family: var(--kop);
  font-weight: 800;
  font-size: 27px;
  letter-spacing: 3px;
  text-transform: uppercase;
  margin: 0;
  line-height: 1;
}
.balk nav { margin-left: auto; display: flex; gap: 18px; font-size: 13px; }
.balk nav a { color: var(--inkt); }

.regenboog {
  height: 6px;
  display: flex;
}
.regenboog span { flex: 1; }
.regenboog span:nth-child(1) { background: var(--goud); }
.regenboog span:nth-child(2) { background: #ef4444; }
.regenboog span:nth-child(3) { background: #22c55e; }
.regenboog span:nth-child(4) { background: #3b82f6; }

/* ---- bouwstenen ------------------------------------------------------- */

main { flex: 1; width: 100%; }

.kolom {
  width: 100%;
  max-width: 760px;
  margin: 0 auto;
  padding: 0 20px;
}

h1 {
  font-family: var(--kop);
  font-weight: 800;
  font-size: clamp(46px, 9vw, 82px);
  line-height: 0.92;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin: 0 0 14px;
}

h2 {
  font-family: var(--kop);
  font-weight: 800;
  font-size: clamp(26px, 4vw, 34px);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin: 0 0 6px;
}

h3 {
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin: 0 0 8px;
}

.lood { font-size: 17px; max-width: 58ch; }
.gedempt { color: var(--gedempt); }

.knop {
  display: inline-block;
  font: inherit;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--inkt);
  background: var(--papier);
  border: 2px solid var(--lijn);
  box-shadow: 4px 4px 0 var(--lijn);
  padding: 11px 18px;
  cursor: pointer;
}
.knop:hover { background: var(--papier-diep); color: var(--inkt); }
.knop:active { transform: translate(4px, 4px); box-shadow: 0 0 0 var(--lijn); }
.knop.vol { background: var(--goud); }
.knop.vol:hover { background: #ffb03a; }
.knop[disabled] { opacity: 0.55; cursor: not-allowed; box-shadow: none; transform: none; }

.strook {
  background: var(--inkt);
  color: var(--papier);
  padding: 14px 16px;
  overflow-x: auto;
  font-size: 13.5px;
  line-height: 1.6;
  margin: 0;
}
.strook .sleutel { color: var(--goud); }

/* ---- voettekst -------------------------------------------------------- */

footer {
  border-top: 2px solid var(--lijn);
  margin-top: 56px;
  padding: 22px 20px 30px;
  font-size: 13px;
  color: var(--gedempt);
  text-align: center;
}
footer a { color: var(--inkt); }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
}