:root {
  --ink: #171717;
  --white: #fff;
  --red: #e4003b;
  --orange: #f68b1f;
  --muted: #bdb8b2;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body { background: var(--ink); color: var(--white); font-family: "Avenir Next", "Helvetica Neue", Helvetica, sans-serif; margin: 0; overflow: hidden; }
button, video { font: inherit; }
button { cursor: pointer; }
button:focus-visible, a:focus-visible, summary:focus-visible, video:focus-visible { outline: 3px solid var(--orange); outline-offset: 4px; }
[hidden] { display: none !important; }
.sr-only { clip: rect(0,0,0,0); clip-path: inset(50%); height: 1px; overflow: hidden; position: absolute; white-space: nowrap; width: 1px; }

.brand-bar { align-items: center; background: var(--white); border-bottom: 4px solid var(--red); color: var(--ink); display: flex; gap: 1.1rem; height: 4.5rem; left: 0; padding: 0 clamp(1.25rem, 5vw, 5.5rem); position: fixed; right: 0; top: 0; z-index: 4; }
.brand-bar img { height: 2rem; width: auto; }
.brand-bar > span { border-left: 1px solid #d5d0ca; font-size: .75rem; font-weight: 900; letter-spacing: .1em; padding-left: 1.1rem; text-transform: uppercase; }
.brand-bar b { color: var(--red); }
.home-link { align-items: center; border: 1px solid #d5d0ca; color: var(--ink); display: inline-flex; gap: .55rem; height: 2.6rem; justify-content: center; margin-left: auto; padding: 0 .9rem; text-decoration: none; transition: background-color .15s ease, border-color .15s ease, color .15s ease; }
.home-link svg { fill: currentColor; height: 1.1rem; width: 1.1rem; }
.home-link:hover, .home-link:focus-visible { background: var(--red); border-color: var(--red); color: var(--white); }
.home-link-label { font-size: .68rem; font-weight: 900; letter-spacing: .1em; text-transform: uppercase; }
.overview-link { align-items: center; color: var(--white); display: inline-flex; font-size: .68rem; font-weight: 900; letter-spacing: .1em; padding: 0 .9rem; text-decoration: none; text-transform: uppercase; }
.overview-link:hover, .overview-link:focus-visible { color: var(--orange); }

.stage { height: 100dvh; overflow: auto; padding: 7rem clamp(1.5rem, 8vw, 9rem) 7rem; position: relative; }
.stage:focus { outline: none; }
.stage:not(.answers-stage) { align-items: center; display: flex; }
.slide-content, .answers-content { position: relative; z-index: 1; }
.slide-content { max-width: 76rem; width: 100%; }
h1, p { margin: 0; }
.eyebrow { color: var(--red); font-size: clamp(.72rem, 1vw, .9rem); font-weight: 900; letter-spacing: .16em; margin-bottom: 2rem; }
.lead { color: #e1ddda; font-size: clamp(1.2rem, 2.1vw, 1.8rem); line-height: 1.4; margin-top: 2.1rem; max-width: 42rem; }
.watermark { color: rgba(255,255,255,.035); font-size: clamp(15rem, 38vw, 38rem); font-weight: 900; letter-spacing: -.09em; line-height: .7; pointer-events: none; position: fixed; right: 4vw; top: 39%; user-select: none; }
.stats { display: flex; gap: clamp(2.5rem, 5vw, 5rem); margin: 2.5rem 0; }
.stat { display: flex; flex-direction: column; gap: .3rem; }
.stat strong { color: var(--orange); font-size: 2rem; line-height: 1; }
.stat span { color: var(--muted); font-size: .7rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.primary-button, .media-button { background: var(--red); border: 0; color: var(--white); font-size: .9rem; font-weight: 900; letter-spacing: .025em; padding: 1rem 1.35rem; }
.primary-button:hover, .media-button:hover { background: #ff174f; }
.welcome-note, .source-details { color: var(--muted); font-size: .83rem; line-height: 1.5; margin-top: 1.4rem; max-width: 54rem; }
.source-details summary { color: var(--white); cursor: pointer; font-weight: 800; }
.source-details p { margin-top: .65rem; }
.source-details a { color: var(--orange); }
.round-title { font-size: clamp(4rem, 10vw, 9rem); letter-spacing: -.055em; line-height: .95; max-width: 12ch; }
.intro-meta { border-left: 4px solid var(--orange); color: var(--white); font-size: .78rem; font-weight: 900; letter-spacing: .1em; margin: 3rem 0 2rem; padding: .4rem 0 .4rem .9rem; }
.question-label { color: var(--orange); font-size: .8rem; font-weight: 900; letter-spacing: .15em; margin-bottom: 1.5rem; }
.question-title { font-size: clamp(2rem, 4.5vw, 4.8rem); letter-spacing: -.035em; line-height: 1.1; max-width: 24ch; }
.quiz-still { aspect-ratio: 2 / 1; border: 1px solid #2a3239; display: block; height: min(40vh, 22rem); margin-top: 1.4rem; max-width: 100%; object-fit: cover; width: auto; }
.quiz-audio { display: block; margin-top: 2rem; max-width: 100%; width: 44rem; }
.question-note { color: var(--muted); font-size: clamp(.95rem, 1.4vw, 1.2rem); line-height: 1.45; margin-top: 1.1rem; max-width: 44rem; }
.question-content .media-button { margin-top: 2rem; }
.media-button { background: var(--orange); color: var(--ink); }
.media-button:hover { background: #ffa43e; }
.media-hint { color: var(--muted); font-size: .85rem; margin-top: .8rem; }
.media-fallback, .media-credit { color: var(--orange); display: inline-block; font-size: .78rem; line-height: 1.4; margin-top: .5rem; }
.quiz-video { aspect-ratio: 16 / 9; background: #000; display: block; margin-top: 1.2rem; max-height: 58vh; object-fit: contain; width: min(100%, 70rem); }
.question-number { color: rgba(246,139,31,.055); }
.answers-stage { padding-bottom: 8rem; }
.answers-content { margin: 0 auto; max-width: 90rem; }
.answers-title { font-size: clamp(3rem, 6vw, 6rem); letter-spacing: -.05em; line-height: 1; }
.answers-subtitle { color: var(--muted); margin-top: .8rem; }
.answers-list { display: grid; gap: 1px; grid-template-columns: repeat(2, minmax(0, 1fr)); list-style: none; margin: 2rem 0 0; padding: 0; }
.answer { align-items: baseline; background: rgba(255,255,255,.07); display: flex; font-size: clamp(.9rem, 1.1vw, 1.1rem); gap: 1rem; line-height: 1.45; min-height: 4rem; padding: 1rem 1.15rem; }
.answer-number { color: var(--orange); flex: 0 0 auto; font-size: .75rem; font-weight: 900; }
.source-note { color: var(--muted); font-size: .78rem; line-height: 1.5; margin-top: 1rem; }
.answer-source { color: #9d9893; display: inline-block; font-size: .72rem; line-height: 1.4; margin-top: .45rem; text-decoration: none; }
.answer-source:hover, .answer-source:focus-visible { color: var(--orange); text-decoration: underline; }
.answer-next { margin-top: 1.5rem; }

.controls { align-items: center; background: linear-gradient(90deg, rgba(23,23,23,.94), var(--ink)); bottom: 0; display: flex; gap: 1.5rem; left: 0; padding: 1rem clamp(1.25rem, 5vw, 5.5rem); position: fixed; right: 0; z-index: 3; }
.position { flex: 1; max-width: 22rem; }
.position > span { color: #d3cfcb; display: block; font-size: .66rem; font-weight: 900; letter-spacing: .12em; margin-bottom: .6rem; }
.progress { background: #494440; height: 2px; }
.progress span { background: var(--orange); display: block; height: 100%; transition: width .2s ease; }
.buttons { display: flex; gap: .4rem; margin-left: auto; }
.nav-button { background: #292929; border: 0; color: var(--white); font-size: 1.5rem; height: 3rem; width: 3.5rem; }
.nav-button.next { background: var(--red); }
.nav-button:hover:not(:disabled) { background: var(--orange); color: var(--ink); }
.nav-button:disabled { cursor: default; opacity: .35; }

.round-grid { display: grid; gap: 1px; grid-template-columns: repeat(auto-fill, minmax(15.5rem, 1fr)); margin: 3rem 0 2rem; max-width: 82rem; }
.round-card { background: rgba(255,255,255,.07); border-top: 4px solid var(--orange); color: var(--white); display: flex; flex-direction: column; gap: .35rem; min-height: 12.5rem; padding: 1.35rem; text-decoration: none; transition: background-color .15s ease, transform .15s ease; }
.round-card:hover, .round-card:focus-visible { background: rgba(255,255,255,.16); transform: translateY(-3px); }
.round-icon { font-size: 1.7rem; line-height: 1; }
.round-number { color: var(--orange); font-size: .68rem; font-weight: 900; letter-spacing: .14em; margin-top: .6rem; }
.round-card h2 { font-size: clamp(1.15rem, 1.5vw, 1.45rem); letter-spacing: -.01em; line-height: 1.15; margin: 0; }
.round-card p { color: var(--muted); font-size: .78rem; font-weight: 800; letter-spacing: .08em; margin: 0; text-transform: uppercase; }
.round-arrow { color: var(--orange); font-size: .82rem; font-weight: 900; margin-top: auto; padding-top: 1rem; }
.stage.menu { display: block; }
.menu-intro { max-width: 60rem; }
.menu-title { font-size: clamp(2.8rem, 6.5vw, 5.6rem); letter-spacing: -.05em; line-height: .98; }
.menu-title span { color: var(--red); }

/* Compact overzicht: alles past zonder scrollen op een presentatiescherm. */
.stage.menu { padding: 5.4rem clamp(1.5rem, 5vw, 5.5rem) 1.5rem; }
.menu .eyebrow { margin-bottom: .9rem; }
.menu-title { font-size: clamp(2.1rem, 4vw, 3.4rem); line-height: 1.02; }
.menu .lead { font-size: clamp(.95rem, 1.2vw, 1.1rem); line-height: 1.45; margin-top: .9rem; max-width: 46rem; }
.menu .stats { gap: clamp(1.5rem, 3vw, 2.5rem); margin: 1.1rem 0 0; }
.menu .stat strong { font-size: 1.3rem; }
.menu .stat span { font-size: .62rem; }
.menu .round-grid { grid-template-columns: repeat(5, minmax(0, 1fr)); margin: 1.4rem 0 .9rem; }
@media (max-width: 980px) { .menu .round-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 560px) { .menu .round-grid { grid-template-columns: 1fr; } }
.menu .round-card { gap: .1rem; min-height: auto; padding: .85rem .95rem; }
.menu .round-icon { font-size: 1.1rem; }
.menu .round-number { font-size: .58rem; margin-top: .35rem; }
.menu .round-card h2 { font-size: clamp(.95rem, 1.15vw, 1.1rem); }
.menu .round-card p { font-size: .58rem; letter-spacing: .05em; }
.menu .round-arrow { font-size: .66rem; padding-top: .55rem; }
.menu .source-details { font-size: .76rem; margin-top: .4rem; }

@media (max-width: 700px) {
  .brand-bar { height: 4rem; gap: .7rem; }
  .brand-bar img { height: 1.6rem; }
  .brand-bar > span { font-size: .65rem; padding-left: .7rem; }
  .home-link-label { display: none; }
  .home-link { padding: 0; width: 2.6rem; }
  .overview-link { padding: 0 .5rem; }
  .stage { padding: 6rem 1.5rem 7rem; }
  .stage:not(.answers-stage) { align-items: flex-start; }
  .round-title { font-size: clamp(3.5rem, 14vw, 6rem); }
  .question-title { font-size: clamp(2rem, 8vw, 3.5rem); }
  .answers-list { grid-template-columns: 1fr; }
  .watermark { top: 55%; }
}
@media (prefers-reduced-motion: reduce) { .progress span { transition: none; } }