:root {
  --primary: #ffffff;
  --accent: #0072ff; /* Champions League Blauw */
  --accent-light: #87CEEB; /* Lichtblauw voor diepte */
  --bg: #000000;    /* Puur zwart voor de rest van de site */
  --text-muted: #a0a0a0;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg);
  color: var(--primary);
  font-family: 'Inter', sans-serif;
  overflow-x: hidden; /* Voorkom horizontale scrollbar buiten de slider */
  min-height: 100vh;
}

body.is-loading {
  overflow: hidden;
}

#canvas-webgl {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  outline: none;
  z-index: 0;
  pointer-events: none;
}

.hero {
  position: relative;
  height: 100vh;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  pointer-events: none; /* Muis gaat door de tekst naar de canvas */
}

.hero-content {
  position: relative;
  z-index: 10;
  text-align: center;
  pointer-events: auto; /* Zorg dat de knop en tekst interactie toelaten */
}

.quiz-btn {
  display: inline-block;
  margin-top: 3rem;
  padding: 1.2rem 3.5rem;
  font-family: 'Anton', sans-serif;
  font-size: 1.5rem;
  color: white;
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  background: linear-gradient(135deg, var(--accent-light) 0%, var(--accent) 100%); /* Lichte gradient */
  border-radius: 50px;
  box-shadow: 0 10px 25px rgba(0, 114, 255, 0.4);
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  animation: subtlePulse 3s infinite ease-in-out;
}

.quiz-btn:hover {
  transform: scale(1.1);
  box-shadow: 0 15px 35px rgba(0, 114, 255, 0.6);
  filter: brightness(1.1);
}

.main-title {
  font-family: 'Anton', sans-serif;
  font-size: clamp(4rem, 15vw, 12rem);
  line-height: 0.9;
  letter-spacing: -0.02em;
  text-align: center;
}

.accent {
  color: var(--accent);
  text-shadow: 0 0 20px rgba(0, 114, 255, 0.5), 0 0 40px rgba(135, 206, 235, 0.3);
  /* Verwijder de gloed op mobiel */
  @media (max-width: 768px) {
    text-shadow: none;
  }
}

.divider {
  width: 60px;
  height: 4px;
  background: linear-gradient(90deg, var(--accent), var(--accent-light));
  margin: 2rem auto;
}

.tagline {
  font-weight: 800;
  letter-spacing: 0.3em; /* Iets minder op desktop, meer ruimte op mobiel */
  font-size: 0.7rem;
  color: var(--text-muted);
  text-align: center;
}

@keyframes subtlePulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

.hero-content {
  opacity: 0; /* Wordt geanimeerd door GSAP */
}

.home-btn {
  position: fixed;
  top: 2rem;
  left: 1.5rem; /* Iets minder marge op desktop */
  z-index: 1000;
  color: white;
  text-decoration: none;
  font-family: 'Anton', sans-serif;
  font-size: 0.9rem;
  letter-spacing: 0.1em;
  padding: 0.6rem 1.2rem;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 50px;
  background: rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(10px);
  transition: all 0.3s ease;
}

.home-btn:hover {
  border-color: var(--accent);
  color: var(--accent-light);
  background: rgba(0, 114, 255, 0.1);
}

.stories-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 4rem;
}

.section-tag {
  color: var(--accent);
  font-weight: 700;
  letter-spacing: 0.2em;
  font-size: 0.7rem;
  margin-bottom: 1rem;
}

h2 {
  font-family: 'Anton', sans-serif;
  font-size: clamp(2rem, 5vw, 3.5rem);
  line-height: 1;
  text-transform: uppercase;
}

.view-all {
  color: var(--primary);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  border-bottom: 1px solid var(--accent);
  padding-bottom: 5px;
  transition: opacity 0.3s ease;
}

.view-all:hover {
  opacity: 0.7;
}

/* Horizontale Slider Styles */
.slider-section {
  /* height: 100vh; */ /* Verwijderd: sectie mag verticaal groeien */
  /* overflow: hidden; */ /* Verwijderd: sectie mag verticaal scrollen */
  display: flex;
  flex-direction: column;
  /* justify-content: center; */ /* Verwijderd: rijen stapelen vanaf de top */
  background: transparent;
  position: relative;
  z-index: 2;
  gap: 0.5vh;
  padding-top: 5vh; /* Ruimte boven de eerste rij */
  padding-bottom: 5vh; /* Ruimte onder de laatste rij */
}

.slider-row {
  display: flex;
  justify-content: center;
  width: 100%;
  white-space: nowrap;
  will-change: transform;
}

.slider-item {
  flex-shrink: 0;
  padding: 0 3vw; 
  display: flex;
  align-items: center;
  justify-content: center;
}

.slider-item h2 {
  font-family: 'Anton', sans-serif;
  font-size: clamp(1.5rem, 4.5vw, 3rem); /* Minimaal 1.5rem, schaalt tot 4.5vw, max 3rem */
  color: white;
  text-transform: uppercase;
  -webkit-text-stroke: 1px rgba(255, 255, 255, 0.1);
  white-space: nowrap;
  margin: 0;
  opacity: 0.3;
  transition: all 0.6s cubic-bezier(0.23, 1, 0.32, 1);
}

.slider-item h2:hover {
  opacity: 1;
  color: var(--accent-light);
  text-shadow: 0 0 50px rgba(0, 114, 255, 0.6);
  transform: scale(1.05);
}

/* Side Navigation Dots */
.side-nav {
  position: fixed;
  right: 30px;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  gap: 20px;
  z-index: 100;
}

.nav-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3); /* Grijsachtig */
  border: 1px solid rgba(255, 255, 255, 0.4);
  transition: all 0.3s ease;
}

.nav-dot.active {
  background: #ffffff; /* Wit */
  transform: scale(1.3);
  box-shadow: 0 0 15px rgba(255, 255, 255, 0.5);
  border-color: #ffffff;
}

/* Quiz Specifieke Stijlen (verplaatst van quiz.html) */
#quiz-container {
  background: rgba(255, 255, 255, 0.05);
  padding: 3rem;
  border-radius: 20px;
  border: 1px solid rgba(0, 114, 255, 0.3);
  max-width: 600px;
  width: 90%;
  text-align: center;
  backdrop-filter: blur(10px);
  position: relative; /* Zorg dat het boven de achtergrondafbeelding ligt */
  z-index: 10;
}
.quiz-title {
  font-size: clamp(2.5rem, 8vw, 4rem) !important; /* Responsive font-size voor quiz titel */
}
.quiz-question-text {
  font-size: clamp(1.2rem, 4vw, 1.5rem) !important; /* Responsive font-size voor vraagtekst */
  margin-bottom: 1rem;
}
.quiz-result-title {
  font-size: clamp(2rem, 6vw, 3rem) !important; /* Responsive font-size voor resultaat titel */
}
.options-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-top: 2rem;
}
.option-btn {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: white;
  padding: 1rem;
  border-radius: 10px;
  cursor: pointer;
  font-family: 'Inter', sans-serif;
  font-size: clamp(0.9rem, 3vw, 1rem); /* Responsive font-size voor opties */
  transition: all 0.3s ease;
}

@media (hover: hover) {
  .option-btn:hover {
    background: var(--accent);
    border-color: var(--accent-light);
    transform: translateY(-2px);
  }
}

.option-btn:focus {
  outline: none;
}

.progress {
  font-size: clamp(0.7rem, 2.5vw, 0.8rem); /* Responsive font-size voor voortgang */
  color: var(--accent-light);
  margin-bottom: 1rem;
  letter-spacing: 0.2em;
}
#result-screen { display: none; }
.score-display { 
  font-size: clamp(3rem, 10vw, 4rem); /* Responsive font-size voor score */
  font-family: 'Anton', sans-serif; 
  color: var(--accent); 
}

/* Loader Styles */
.loader-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  perspective: 1500px;
  background: transparent;
  pointer-events: all;
}

.loader-panel {
  position: absolute;
  top: 0;
  width: 50.5%; /* Kleine overlap om naden te voorkomen */
  height: 100%;
  background: #000000;
  z-index: 1;
  border-color: var(--accent);
  border-style: solid;
  will-change: transform;
  display: flex;
  align-items: center;
  justify-content: center;
}

.left-door {
  left: 0;
  transform-origin: left;
  border-width: 0 1px 0 0;
}

.right-door {
  right: 0;
  transform-origin: right;
  border-width: 0 0 0 1px;
}


.loader-23 {
  font-family: 'Anton', sans-serif;
  font-size: 35vw;
  color: var(--accent);
  line-height: 1;
  opacity: 0;
  text-shadow: 0 0 50px rgba(0, 114, 255, 0.4);
  filter: drop-shadow(0 0 20px rgba(0, 114, 255, 0.2));
  will-change: transform, opacity;
}

/* Modal Styles */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(12px);
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.modal-content {
  background: rgba(10, 10, 10, 0.95);
  border: 1px solid var(--accent);
  padding: 3rem;
  border-radius: 20px;
  max-width: 500px;
  width: 90%;
  position: relative;
  text-align: center;
  box-shadow: 0 0 50px rgba(0, 114, 255, 0.2);
}

.close-modal {
  position: absolute;
  top: 1rem;
  right: 1.5rem;
  background: none;
  border: none;
  color: white;
  font-size: 2rem;
  cursor: pointer;
  opacity: 0.5;
  transition: opacity 0.3s;
}

.close-modal:hover { opacity: 1; }

.modal-divider {
  width: 40px;
  height: 2px;
  background: var(--accent);
  margin: 1.5rem auto;
}

#modal-list {
  list-style: none;
  margin-top: 1rem;
}

#modal-list li {
  margin-bottom: 0.8rem;
  font-size: 1.1rem;
  color: var(--text-muted);
}

.close-modal:hover { opacity: 1; }

.modal-divider {
  width: 40px;
  height: 2px;
  background: var(--accent);
  margin: 1.5rem auto;
}

#modal-list {
  list-style: none;
  margin-top: 1rem;
}

#modal-list li {
  margin-bottom: 0.8rem;
  font-size: 1.1rem;
  color: var(--text-muted);
}

#modal-list li strong {
  color: white;
}

.slider-item.clickable {
  cursor: pointer;
}

.slider-item.clickable {
  cursor: pointer;
}

/* Media Queries voor Mobiel */
@media (max-width: 768px) {
  /* Popup specifieke styling voor mobiel */
  .modal-content {
    padding: 1.5rem; /* Minder padding op mobiel */
    max-width: 95%; /* Iets breder op mobiel */
    max-height: 80vh; /* Zorg voor scrollbaarheid als de content lang is */
    overflow-y: auto; /* Maak scrollbaar indien nodig */
  }
  #modal-list li {
    font-size: 1rem; /* Iets kleinere font-size voor lijstitems */
    margin-bottom: 0.6rem;
  }
  .close-modal {
    top: 0.8rem;
    right: 1rem;
    font-size: 1.8rem;
  }
  .main-title {
    line-height: 1.1;
  }

  .main-title .accent::after {
    content: "\A";
    white-space: pre;
  }

  .home-btn {
    top: 1rem;
    left: 1rem;
    padding: 0.5rem 1rem;
    font-size: 0.8rem;
  }

  .side-nav {
    display: none; /* Verberg navigatiepunten op mobiel */
  }

  .quiz-btn {
    margin-top: 2rem;
    padding: 1rem 2.5rem;
    font-size: 1.2rem;
  }

  .tagline {
    letter-spacing: 0.2em; /* Iets minder op kleinere schermen */
  }

  .hero-content .tagline.scroll-hint {
    margin-top: 1rem; /* Minder ruimte onder de quiz knop */
  }

  #quiz-container {
    padding: 2rem; /* Minder padding op mobiel */
  }
}

@media (max-width: 480px) {
  .home-btn {
    top: 0.8rem;
    left: 0.8rem;
    padding: 0.4rem 0.8rem;
    font-size: 0.7rem;
  }

  .quiz-btn {
    padding: 0.8rem 2rem;
    font-size: 1rem;
  }

  .tagline {
    letter-spacing: 0.15em;
  }

  #quiz-container {
    padding: 1.5rem; /* Nog minder padding op zeer kleine schermen */
  }

  .slider-item {
    padding: 0 10px; /* Nog minder padding tussen items */
  }
}