/* Bouwspel - projectpagina (NL + EN delen dit bestand).
 * Basis = de huisstijl van de projectpagina's (kinderhub, kennis-agent): donker canvas,
 * Inter, pill-tags, 12-16px radius. Accent = amber, de lichtkleur uit het spelpalet.
 * Spel-UI volgt het stijlblad: grijze panelen met een afschuining van 2px.
 */
:root {
  --bg: #0a0a0a;
  --surface: #141414;
  --surface-hover: #1f1f1f;
  --border: #262626;
  --text: #ffffff;
  --text-secondary: #a1a1aa;
  --accent: #fbbf24;
  --accent-soft: rgba(251, 191, 36, 0.12);
  --accent-line: rgba(251, 191, 36, 0.33);
  --radius-card: 16px;
  --maxw: 760px;
  --u: 8px;
  /* spel-UI */
  --ui-panel: #4a4e5a;
  --ui-panel-hover: #565b68;
  --ui-panel-down: #40434e;
  --ui-light: #7a8090;
  --ui-shadow: #1c1e24;
  --ui-ink: #f1f1f3;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--text-secondary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background: radial-gradient(circle at 50% 0%, rgba(251, 191, 36, 0.06), transparent 55%);
  pointer-events: none;
  z-index: 0;
}
a { color: var(--accent); text-decoration: none; }

/* ---------- Nav ---------- */
nav {
  position: fixed; top: 0; left: 0; right: 0; height: 64px;
  display: flex; align-items: center;
  background: rgba(10, 10, 10, 0.7);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  z-index: 100;
}
.nav-inner {
  width: 100%; max-width: 1024px; margin: 0 auto; padding: 0 24px;
  display: flex; align-items: center; justify-content: space-between;
}
.nav-back { color: var(--text-secondary); font-size: 0.875rem; font-weight: 500; transition: color 0.2s; }
.nav-back:hover { color: var(--text); }
.nav-title { color: var(--text); font-weight: 600; font-size: 0.95rem; letter-spacing: -0.02em; }
.nav-lang { color: var(--text-secondary); font-size: 0.8rem; font-weight: 600; letter-spacing: 0.03em; }
.nav-lang:hover { color: var(--text); }

/* ---------- Hero: het spel ---------- */
.hero {
  position: relative; z-index: 2;
  max-width: 1024px; margin: 0 auto;
  padding: calc(var(--u) * 15) 16px calc(var(--u) * 6);
  text-align: center;
}
.hero-tag {
  display: inline-block;
  font-size: 0.75rem; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--accent); background: var(--accent-soft);
  border: 1px solid var(--accent-line); border-radius: 9999px;
  padding: 6px 16px; margin-bottom: 24px;
}
.hero h1 {
  font-size: clamp(2.2rem, 6vw, 3.6rem);
  font-weight: 700; line-height: 1.08; letter-spacing: -0.045em;
  color: var(--text); margin-bottom: 20px; text-wrap: balance;
}
.hero-subtitle {
  font-size: clamp(1.02rem, 2.4vw, 1.25rem);
  color: var(--text-secondary);
  max-width: 600px; margin: 0 auto 40px; text-wrap: pretty;
}

.game {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  box-shadow: inset 0 2px 4px rgba(255, 255, 255, 0.02);
  padding: calc(var(--u) * 3) 16px calc(var(--u) * 2);
}
/* Past de tekening niet (telefoon, of ingezoomd), dan schuift het vak opzij in plaats van
 * af te knippen. Vegen mag: tikken plaatst, vegen schuift (zie mount in bouwspel.js). */
.stage { overflow-x: auto; overflow-y: hidden; text-align: center; overscroll-behavior-x: contain; }
.stage canvas {
  display: inline-block; vertical-align: top;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
  touch-action: pan-x pan-y;
  cursor: crosshair;
}
.tool:disabled { opacity: 0.45; cursor: default; }
.tool--zoom { min-width: 48px; font-size: 18px; }
.controls {
  display: flex; flex-wrap: wrap; justify-content: center; gap: 12px;
  margin-top: calc(var(--u) * 3);
}
/* paneel en knoppen: afschuining van 2px, licht linksboven, schaduw rechtsonder */
.toolbar {
  display: inline-flex; flex-wrap: wrap; justify-content: center; gap: 4px; padding: 6px;
  background: var(--ui-panel);
  box-shadow: inset 2px 2px 0 var(--ui-light), inset -2px -2px 0 var(--ui-shadow);
}
.tool {
  min-width: 64px; min-height: 64px; padding: 4px 6px 6px;
  display: flex; flex-direction: column; align-items: center; justify-content: flex-end; gap: 2px;
  background: var(--ui-panel); color: var(--ui-ink);
  border: 0; border-radius: 0; cursor: pointer;
  font: 600 11px/1.2 'Inter', sans-serif;
  box-shadow: inset 2px 2px 0 var(--ui-light), inset -2px -2px 0 var(--ui-shadow);
}
.tool canvas { width: 34px; height: 48px; image-rendering: pixelated; }
.tool:hover { background: var(--ui-panel-hover); }
.tool:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.tool[aria-pressed="true"], .tool:active {
  background: var(--ui-panel-down);
  box-shadow: inset 2px 2px 0 var(--ui-shadow), inset -2px -2px 0 var(--ui-light);
}
.tool--text { justify-content: center; min-width: 88px; font-size: 13px; }
.game-hint { font-size: 0.85rem; color: var(--text-secondary); margin-top: calc(var(--u) * 2); }

/* ---------- Artikel ---------- */
.wrap {
  position: relative; z-index: 2;
  max-width: var(--maxw); margin: 0 auto;
  padding: calc(var(--u) * 5) 24px 40px;
}
.section-label {
  display: block; font-size: 0.72rem; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 12px;
}
.wrap h2 { font-size: clamp(1.6rem, 4vw, 2.1rem); font-weight: 700; letter-spacing: -0.03em; color: var(--text); margin-bottom: 20px; text-wrap: balance; }
.wrap p { font-size: 1.05rem; margin-bottom: 20px; text-wrap: pretty; }
.wrap p.lead { font-size: 1.2rem; color: var(--text); }
.wrap strong { color: var(--text); font-weight: 600; }
.block { margin-bottom: 64px; }
.divider { height: 1px; background: var(--border); border: none; margin: 8px 0 64px; }

.info-box { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-card); padding: 28px; margin: 8px 0 32px; }
.info-box-tag { font-size: 0.72rem; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; color: var(--accent); margin-bottom: 14px; }
.info-box ul { list-style: none; display: grid; gap: 14px; }
.info-box li { font-size: 0.98rem; padding-left: 20px; position: relative; }
.info-box li::before { content: '→'; position: absolute; left: 0; color: var(--accent); }

.stats-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; margin: 8px 0 32px; }
.stat { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-card); padding: 28px 16px; text-align: center; }
.stat-value { display: block; font-size: clamp(1.8rem, 5vw, 2.5rem); font-weight: 700; color: var(--text); letter-spacing: -0.03em; line-height: 1; margin-bottom: 10px; }
.stat-label { font-size: 0.85rem; color: var(--text-secondary); }

.pullquote { border-left: 3px solid var(--accent); padding: 4px 0 4px 24px; margin: 8px 0 32px; }
.pullquote p { font-size: 1.3rem; color: var(--text); font-weight: 500; margin: 0; letter-spacing: -0.02em; }

/* Verwant werk (vast blok, site-breed) */
.related-list { border: 1px solid var(--border); border-radius: 14px; overflow: hidden; margin: 8px 0 32px; }
.related-row { display: flex; align-items: center; gap: 14px; padding: 14px 18px; background: var(--surface); border-bottom: 1px solid var(--border); text-decoration: none; transition: background 0.15s; }
.related-row:last-child { border-bottom: none; }
.related-row:hover { background: var(--surface-hover); }
.related-icon { width: 36px; height: 36px; border-radius: 10px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.related-icon svg { width: 19px; height: 19px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.ri-amber { background: rgba(232, 150, 58, 0.13); color: #e8963a; }
.ri-pink  { background: rgba(244, 114, 182, 0.13); color: #f472b6; }
.related-main { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 2px; }
.related-title { color: var(--text); font-weight: 600; font-size: 0.9rem; }
.related-desc { color: var(--text-secondary); font-size: 0.8rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.related-chev { color: var(--text-secondary); opacity: 0.6; transition: transform 0.2s; }
.related-row:hover .related-chev { transform: translateX(3px); }

/* CTA + footer */
.cta { text-align: center; padding: 40px 24px 80px; position: relative; z-index: 2; }
.btn { display: inline-block; padding: 13px 28px; border-radius: 9999px; font-weight: 600; font-size: 0.95rem; transition: all 0.2s; }
.btn-primary { background: #fff; color: var(--bg); }
.btn-primary:hover { opacity: 0.9; transform: translateY(-2px); }
.btn-secondary { background: transparent; color: var(--text); border: 1px solid var(--border); margin-left: 12px; }
.btn-secondary:hover { border-color: var(--accent-line); }
footer { border-top: 1px solid var(--border); padding: 32px 24px; text-align: center; font-size: 0.85rem; color: var(--text-secondary); position: relative; z-index: 2; }

@media (min-width: 768px) { .stats-grid { grid-template-columns: repeat(4, 1fr); } }
@media (max-width: 480px) {
  .tool { min-width: 52px; min-height: 60px; }
  .btn-secondary { margin: 12px 0 0; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn-primary:hover, .related-row:hover .related-chev { transform: none; }
}