/* ============================================================
   styles.css - Material Design voor Digitalisering Website
   BEM naming convention, mobile-first, CSS variables
   ============================================================ */

/* ── Google Fonts ── */
@import url("https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=Fraunces:ital,wght@0,400;0,600;1,400&display=swap");
@import url("https://fonts.googleapis.com/icon?family=Material+Icons+Round");

/* ── CSS Custom Properties ── */
:root {
  /* Primaire kleuren */
  --color-primary: #2e6373;
  --color-secondary: #294852;
  --color-accent: #3f889e;
  --color-white: #ffffff;
  --color-black: #000000;

  /* Afgeleid kleurenpalet */
  --color-primary-light: #4a8fa0;
  --color-primary-dark: #1d4a57;
  --color-primary-surface: #e8f4f7;
  --color-accent-light: #5ba3b8;
  --color-accent-dark: #2c6b80;

  /* Neutrale kleuren */
  --color-surface: #f8fafb;
  --color-surface-2: #eef3f5;
  --color-surface-3: #dde8ec;
  --color-on-surface: #1a2e34;
  --color-on-surface-muted: #4a6570;
  --color-border: #c5d9e0;
  --color-border-light: #e0ecf0;

  /* Status kleuren */
  --color-success: #2e7d52;
  --color-success-light: #e8f5ed;
  --color-warning: #b45309;
  --color-warning-light: #fef3c7;
  --color-error: #c0392b;
  --color-error-light: #fde8e6;
  --color-info: #1565c0;
  --color-info-light: #e3f0ff;

  /* Dark mode kleuren */
  --color-dark-bg: #0d1f24;
  --color-dark-surface: #162830;
  --color-dark-surface-2: #1e3540;
  --color-dark-surface-3: #264350;
  --color-dark-on-surface: #e0eff3;
  --color-dark-on-surface-muted: #8ab0bc;
  --color-dark-border: #2e4f5c;

  /* Typografie */
  --font-display: "Fraunces", Georgia, serif;
  --font-body: "Plus Jakarta Sans", system-ui, sans-serif;
  --font-mono: "Courier New", monospace;

  /* Lettergroottes (fluid type scale) */
  --text-xs: clamp(0.7rem, 1.5vw, 0.75rem);
  --text-sm: clamp(0.8rem, 1.8vw, 0.875rem);
  --text-base: clamp(0.9rem, 2vw, 1rem);
  --text-md: clamp(1rem, 2.2vw, 1.125rem);
  --text-lg: clamp(1.1rem, 2.5vw, 1.25rem);
  --text-xl: clamp(1.2rem, 3vw, 1.5rem);
  --text-2xl: clamp(1.5rem, 4vw, 2rem);
  --text-3xl: clamp(2rem, 5vw, 2.75rem);
  --text-4xl: clamp(2.5rem, 6vw, 3.5rem);
  --text-5xl: clamp(3rem, 7vw, 4.5rem);

  /* Font weights */
  --weight-light: 300;
  --weight-regular: 400;
  --weight-medium: 500;
  --weight-semibold: 600;
  --weight-bold: 700;
  --weight-extrabold: 800;

  /* 8px grid spacing systeem */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-16: 64px;
  --space-20: 80px;
  --space-24: 96px;

  /* Border radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-2xl: 24px;
  --radius-3xl: 32px;
  --radius-full: 9999px;

  /* Schaduwen */
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08), 0 2px 4px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.1), 0 4px 8px rgba(0, 0, 0, 0.06);
  --shadow-xl: 0 16px 40px rgba(0, 0, 0, 0.12), 0 8px 16px rgba(0, 0, 0, 0.07);
  --shadow-2xl:
    0 24px 64px rgba(0, 0, 0, 0.14), 0 12px 24px rgba(0, 0, 0, 0.08);
  --shadow-primary: 0 4px 16px rgba(46, 99, 115, 0.3);
  --shadow-accent: 0 4px 16px rgba(63, 136, 158, 0.35);
  --shadow-inset: inset 0 2px 4px rgba(0, 0, 0, 0.06);

  /* Overgangen */
  --transition-fast: 120ms ease;
  --transition-base: 200ms ease;
  --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: 400ms cubic-bezier(0.34, 1.56, 0.64, 1);
  --transition-spring: 500ms cubic-bezier(0.175, 0.885, 0.32, 1.275);

  /* Z-index ladder */
  --z-base: 0;
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-overlay: 300;
  --z-modal: 400;
  --z-toast: 500;
  --z-loading: 600;

  /* Layout */
  --container-max: 1200px;
  --container-wide: 1440px;
  --navbar-height: 64px;
}

/* ── Dark mode variabelen ── */
[data-theme="dark"] {
  --color-surface: var(--color-dark-bg);
  --color-surface-2: var(--color-dark-surface);
  --color-surface-3: var(--color-dark-surface-2);
  --color-on-surface: var(--color-dark-on-surface);
  --color-on-surface-muted: var(--color-dark-on-surface-muted);
  --color-border: var(--color-dark-border);
  --color-border-light: #1e3540;
  --color-primary-surface: rgba(46, 99, 115, 0.15);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.25), 0 2px 4px rgba(0, 0, 0, 0.15);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.3), 0 4px 8px rgba(0, 0, 0, 0.2);
  --shadow-xl: 0 16px 40px rgba(0, 0, 0, 0.35), 0 8px 16px rgba(0, 0, 0, 0.25);
}

/* ── CSS Reset & Base ── */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--color-on-surface);
  background-color: var(--color-surface);
  transition:
    background-color var(--transition-slow),
    color var(--transition-slow);
  min-height: 100vh;
  overflow-x: hidden;
}

/* Achtergrond patroon */
body::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image:
    radial-gradient(
      circle at 20% 20%,
      rgba(46, 99, 115, 0.04) 0%,
      transparent 50%
    ),
    radial-gradient(
      circle at 80% 80%,
      rgba(63, 136, 158, 0.04) 0%,
      transparent 50%
    ),
    radial-gradient(
      circle at 50% 50%,
      rgba(41, 72, 82, 0.02) 0%,
      transparent 60%
    );
  pointer-events: none;
  z-index: -1;
}

[data-theme="dark"] body::before {
  background-image:
    radial-gradient(
      circle at 20% 20%,
      rgba(63, 136, 158, 0.08) 0%,
      transparent 50%
    ),
    radial-gradient(
      circle at 80% 80%,
      rgba(46, 99, 115, 0.08) 0%,
      transparent 50%
    ),
    radial-gradient(
      circle at 50% 50%,
      rgba(41, 72, 82, 0.06) 0%,
      transparent 60%
    );
}

img,
video {
  max-width: 100%;
  height: auto;
  display: block;
}
ul,
ol {
  list-style: none;
}
a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition-fast);
}
a:hover {
  color: var(--color-primary);
}
button {
  cursor: pointer;
  font-family: inherit;
  border: none;
  background: none;
}
input,
textarea,
select {
  font-family: inherit;
  font-size: var(--text-base);
}

/* Toegankelijkheid */
:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-4);
  background: var(--color-primary);
  color: var(--color-white);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-md);
  z-index: 9999;
  font-weight: var(--weight-semibold);
  transition: top var(--transition-fast);
}
.skip-link:focus {
  top: var(--space-4);
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* ── Loading Screen ── */
.loading-screen {
  position: fixed;
  inset: 0;
  background: var(--color-secondary);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: var(--z-loading);
  gap: var(--space-6);
  transition:
    opacity 0.5s ease,
    visibility 0.5s ease;
}
.loading-screen--hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}
.loading-screen__logo {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  color: var(--color-white);
  letter-spacing: -0.02em;
}
.loading-screen__logo span {
  color: var(--color-accent-light);
}
.loading-screen__spinner {
  width: 48px;
  height: 48px;
  border: 4px solid rgba(255, 255, 255, 0.15);
  border-top-color: var(--color-accent-light);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
.loading-screen__text {
  color: rgba(255, 255, 255, 0.6);
  font-size: var(--text-sm);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* Skeleton loading */
.skeleton {
  background: linear-gradient(
    90deg,
    var(--color-surface-2) 25%,
    var(--color-surface-3) 50%,
    var(--color-surface-2) 75%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-md);
}
.skeleton--text {
  height: 1em;
  width: 100%;
  margin-bottom: var(--space-2);
}
.skeleton--text:last-child {
  width: 60%;
}
.skeleton--heading {
  height: 1.8em;
  width: 70%;
  margin-bottom: var(--space-4);
}
.skeleton--card {
  height: 200px;
}

/* ── Navbar ── */
.navbar {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--color-border-light);
  height: var(--navbar-height);
  transition:
    background var(--transition-slow),
    box-shadow var(--transition-slow);
}
[data-theme="dark"] .navbar {
  background: rgba(22, 40, 48, 0.92);
  border-bottom-color: var(--color-dark-border);
}
.navbar--scrolled {
  box-shadow: var(--shadow-md);
}
.navbar__container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-4);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}
.navbar__logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  text-decoration: none;
  flex-shrink: 0;
}
.navbar__logo-icon {
  width: 36px;
  height: 36px;
  background: var(--color-primary);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 20px;
  transition: transform var(--transition-bounce);
}
.navbar__logo:hover .navbar__logo-icon {
  transform: rotate(-5deg) scale(1.05);
}
.navbar__logo-text {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: var(--weight-semibold);
  color: var(--color-primary);
  line-height: 1.2;
}
.navbar__logo-text span {
  display: block;
  font-size: var(--text-xs);
  font-family: var(--font-body);
  font-weight: var(--weight-regular);
  color: var(--color-on-surface-muted);
  letter-spacing: 0.02em;
}
.navbar__nav {
  display: none;
  align-items: center;
  gap: var(--space-1);
}
@media (min-width: 768px) {
  .navbar__nav {
    display: flex;
  }
}
.navbar__nav-link {
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-on-surface-muted);
  transition:
    color var(--transition-fast),
    background var(--transition-fast);
  position: relative;
  white-space: nowrap;
}
.navbar__nav-link:hover {
  color: var(--color-primary);
  background: var(--color-primary-surface);
}
.navbar__nav-link--active {
  color: var(--color-primary);
  background: var(--color-primary-surface);
  font-weight: var(--weight-semibold);
}
.navbar__actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.navbar__theme-btn {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-on-surface-muted);
  background: transparent;
  transition:
    background var(--transition-fast),
    color var(--transition-fast),
    transform var(--transition-bounce);
}
.navbar__theme-btn:hover {
  background: var(--color-surface-2);
  color: var(--color-primary);
  transform: rotate(15deg);
}
.navbar__menu-btn {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-on-surface);
  background: transparent;
  transition: background var(--transition-fast);
}
.navbar__menu-btn:hover {
  background: var(--color-surface-2);
}
@media (min-width: 768px) {
  .navbar__menu-btn {
    display: none;
  }
}

/* Mobile menu */
.mobile-menu {
  position: fixed;
  top: var(--navbar-height);
  left: 0;
  right: 0;
  background: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  z-index: calc(var(--z-sticky) - 1);
  transform: translateY(-110%);
  transition: transform var(--transition-slow);
  box-shadow: var(--shadow-lg);
}
[data-theme="dark"] .mobile-menu {
  background: var(--color-dark-surface);
  border-bottom-color: var(--color-dark-border);
}
.mobile-menu--open {
  transform: translateY(0);
}
.mobile-menu__nav {
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}
.mobile-menu__link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-lg);
  color: var(--color-on-surface);
  font-weight: var(--weight-medium);
  transition:
    background var(--transition-fast),
    color var(--transition-fast);
}
.mobile-menu__link:hover,
.mobile-menu__link--active {
  background: var(--color-primary-surface);
  color: var(--color-primary);
}
.mobile-menu__link .material-icons-round {
  font-size: 20px;
}

/* ── Container / Layout ── */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-4);
}
@media (min-width: 640px) {
  .container {
    padding: 0 var(--space-6);
  }
}
@media (min-width: 1024px) {
  .container {
    padding: 0 var(--space-8);
  }
}

.section {
  padding: var(--space-12) 0;
}
@media (min-width: 768px) {
  .section {
    padding: var(--space-16) 0;
  }
}
@media (min-width: 1024px) {
  .section {
    padding: var(--space-20) 0;
  }
}

/* ── Hero sectie ── */
.hero {
  padding: var(--space-16) 0 var(--space-12);
  position: relative;
  overflow: hidden;
}
@media (min-width: 768px) {
  .hero {
    padding: var(--space-20) 0 var(--space-16);
  }
}
.hero::before {
  content: "";
  position: absolute;
  top: -20%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(
    circle,
    rgba(63, 136, 158, 0.08) 0%,
    transparent 70%
  );
  pointer-events: none;
  border-radius: 50%;
}
.hero::after {
  content: "";
  position: absolute;
  bottom: -10%;
  left: -5%;
  width: 400px;
  height: 400px;
  background: radial-gradient(
    circle,
    rgba(46, 99, 115, 0.06) 0%,
    transparent 70%
  );
  pointer-events: none;
  border-radius: 50%;
}
.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: var(--color-primary-surface);
  color: var(--color-primary);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-5);
  border: 1px solid rgba(46, 99, 115, 0.15);
}
.hero__title {
  font-family: var(--font-display);
  font-size: var(--text-4xl);
  font-weight: var(--weight-bold);
  line-height: 1.1;
  color: var(--color-primary-dark);
  margin-bottom: var(--space-5);
  max-width: 800px;
}
[data-theme="dark"] .hero__title {
  color: var(--color-dark-on-surface);
}
.hero__title em {
  font-style: italic;
  color: var(--color-accent);
}
.hero__subtitle {
  font-size: var(--text-lg);
  color: var(--color-on-surface-muted);
  max-width: 640px;
  line-height: 1.7;
  margin-bottom: var(--space-8);
}
.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}
.hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-6);
  margin-top: var(--space-10);
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-border-light);
}
.hero__meta-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-on-surface-muted);
  font-size: var(--text-sm);
}
.hero__meta-item .material-icons-round {
  font-size: 18px;
  color: var(--color-accent);
}

/* ── Kaarten ── */
.card {
  background: var(--color-white);
  border-radius: var(--radius-2xl);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border-light);
  transition:
    transform var(--transition-slow),
    box-shadow var(--transition-slow);
  position: relative;
  overflow: hidden;
}
[data-theme="dark"] .card {
  background: var(--color-dark-surface);
  border-color: var(--color-dark-border);
}
.card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}
.card--elevated {
  box-shadow: var(--shadow-md);
}
.card--featured {
  border: 2px solid var(--color-primary);
  box-shadow: var(--shadow-primary);
}
.card--accent {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary-dark);
}
[data-theme="dark"] .card--accent {
  background: var(--color-secondary);
}
.card__icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-xl);
  background: var(--color-primary-surface);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-4);
  color: var(--color-primary);
  font-size: 24px;
  flex-shrink: 0;
}
.card--accent .card__icon {
  background: rgba(255, 255, 255, 0.15);
  color: var(--color-white);
}
.card__eyebrow {
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  color: var(--color-on-surface-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: var(--space-2);
}
.card--accent .card__eyebrow {
  color: rgba(255, 255, 255, 0.7);
}
.card__title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: var(--weight-semibold);
  color: var(--color-primary-dark);
  line-height: 1.3;
  margin-bottom: var(--space-3);
}
[data-theme="dark"] .card__title {
  color: var(--color-dark-on-surface);
}
.card--accent .card__title {
  color: var(--color-white);
}
.card__text {
  font-size: var(--text-base);
  color: var(--color-on-surface-muted);
  line-height: 1.7;
}
.card--accent .card__text {
  color: rgba(255, 255, 255, 0.85);
}
.card__footer {
  margin-top: var(--space-5);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
[data-theme="dark"] .card__footer {
  border-top-color: var(--color-dark-border);
}
.card--accent .card__footer {
  border-top-color: rgba(255, 255, 255, 0.15);
}
.card__author {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-on-surface-muted);
}
.card--accent .card__author {
  color: rgba(255, 255, 255, 0.7);
}
.card__author-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 12px;
  font-weight: var(--weight-bold);
}

/* Decoratieve kaart accent lijn */
.card--featured::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
}

/* ── Secties ── */
.section-header {
  margin-bottom: var(--space-10);
}
.section-header--center {
  text-align: center;
}
.section-header__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: var(--color-primary-surface);
  color: var(--color-primary);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-4);
  border: 1px solid rgba(46, 99, 115, 0.15);
}
.section-header__title {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: var(--weight-bold);
  color: var(--color-primary-dark);
  line-height: 1.2;
  margin-bottom: var(--space-3);
}
[data-theme="dark"] .section-header__title {
  color: var(--color-dark-on-surface);
}
.section-header__text {
  font-size: var(--text-lg);
  color: var(--color-on-surface-muted);
  max-width: 640px;
  line-height: 1.7;
}
.section-header--center .section-header__text {
  margin: 0 auto;
}

/* ── Grid layouts ── */
.grid {
  display: grid;
  gap: var(--space-6);
}
.grid--2 {
  grid-template-columns: 1fr;
}
.grid--3 {
  grid-template-columns: 1fr;
}
.grid--4 {
  grid-template-columns: repeat(2, 1fr);
}
@media (min-width: 640px) {
  .grid--2 {
    grid-template-columns: repeat(2, 1fr);
  }
  .grid--4 {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (min-width: 768px) {
  .grid--3 {
    grid-template-columns: repeat(3, 1fr);
  }
}
@media (min-width: 1024px) {
  .grid--2 {
    grid-template-columns: repeat(2, 1fr);
  }
  .grid--3 {
    grid-template-columns: repeat(3, 1fr);
  }
  .grid--4 {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* ── Betoog secties ── */
.betoog-section {
  padding: var(--space-16) 0;
  position: relative;
}
.betoog-section--alt {
  background: var(--color-surface-2);
}
[data-theme="dark"] .betoog-section--alt {
  background: var(--color-dark-surface);
}

/* Argument selector */
.arg-selector {
  background: var(--color-white);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  border: 1px solid var(--color-border-light);
}
[data-theme="dark"] .arg-selector {
  background: var(--color-dark-surface);
  border-color: var(--color-dark-border);
}
.arg-selector__tabs {
  display: flex;
  background: var(--color-surface-2);
  padding: var(--space-2);
  gap: var(--space-2);
  flex-wrap: wrap;
}
[data-theme="dark"] .arg-selector__tabs {
  background: var(--color-dark-surface-2);
}
.arg-selector__tab {
  flex: 1;
  min-width: 120px;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-xl);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-on-surface-muted);
  background: transparent;
  transition: all var(--transition-slow);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  position: relative;
  overflow: hidden;
}
.arg-selector__tab:hover {
  background: var(--color-white);
  color: var(--color-primary);
  box-shadow: var(--shadow-sm);
}
[data-theme="dark"] .arg-selector__tab:hover {
  background: var(--color-dark-surface-3);
}
.arg-selector__tab--active {
  background: var(--color-primary) !important;
  color: var(--color-white) !important;
  box-shadow: var(--shadow-primary) !important;
}
.arg-selector__content {
  padding: var(--space-8);
}
.arg-selector__pane {
  display: none;
  animation: fadeSlideIn 0.3s ease forwards;
}
.arg-selector__pane--active {
  display: block;
}
.arg-selector__pane-title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: var(--weight-semibold);
  color: var(--color-primary);
  margin-bottom: var(--space-4);
  line-height: 1.3;
}
.arg-selector__pane-text {
  font-size: var(--text-md);
  color: var(--color-on-surface-muted);
  line-height: 1.8;
}
.arg-selector__pane-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  background: var(--color-primary-surface);
  color: var(--color-primary);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-4);
}

/* ── Citaat blok ── */
.quote-block {
  background: var(--color-primary-surface);
  border-left: 4px solid var(--color-primary);
  border-radius: 0 var(--radius-xl) var(--radius-xl) 0;
  padding: var(--space-6) var(--space-8);
  margin: var(--space-8) 0;
  position: relative;
}
[data-theme="dark"] .quote-block {
  background: rgba(46, 99, 115, 0.12);
}
.quote-block::before {
  content: '"';
  position: absolute;
  top: -10px;
  left: var(--space-6);
  font-family: var(--font-display);
  font-size: 80px;
  color: var(--color-primary);
  opacity: 0.2;
  line-height: 1;
}
.quote-block__text {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--color-primary-dark);
  line-height: 1.6;
  font-style: italic;
}
[data-theme="dark"] .quote-block__text {
  color: var(--color-dark-on-surface);
}

/* ── Stelling kaart ── */
.stelling-card {
  background: linear-gradient(
    135deg,
    var(--color-primary),
    var(--color-accent)
  );
  color: var(--color-white);
  border-radius: var(--radius-3xl);
  padding: var(--space-10) var(--space-8);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}
.stelling-card::before {
  content: "";
  position: absolute;
  top: -30%;
  right: -10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(
    circle,
    rgba(255, 255, 255, 0.1) 0%,
    transparent 70%
  );
  border-radius: 50%;
}
.stelling-card::after {
  content: "";
  position: absolute;
  bottom: -20%;
  left: -5%;
  width: 300px;
  height: 300px;
  background: radial-gradient(
    circle,
    rgba(255, 255, 255, 0.05) 0%,
    transparent 70%
  );
  border-radius: 50%;
}
.stelling-card__label {
  font-size: var(--text-xs);
  font-weight: var(--weight-bold);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: var(--space-3);
}
.stelling-card__text {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: var(--weight-semibold);
  line-height: 1.4;
  color: var(--color-white);
  position: relative;
  z-index: 1;
}

/* ── Conclusie sectie ── */
.conclusie-card {
  background: var(--color-secondary);
  color: var(--color-white);
  border-radius: var(--radius-3xl);
  padding: var(--space-10) var(--space-8);
  position: relative;
  overflow: hidden;
}
.conclusie-card::before {
  content: "✓";
  position: absolute;
  right: var(--space-8);
  top: 50%;
  transform: translateY(-50%);
  font-size: 120px;
  color: rgba(255, 255, 255, 0.04);
  font-weight: 900;
}

/* ── Knoppen ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  letter-spacing: 0.01em;
  transition: all var(--transition-slow);
  position: relative;
  overflow: hidden;
  cursor: pointer;
  border: 2px solid transparent;
  white-space: nowrap;
  user-select: none;
}
.btn .material-icons-round {
  font-size: 18px;
}

/* Ripple effect */
.btn::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(
    circle,
    rgba(255, 255, 255, 0.3) 0%,
    transparent 70%
  );
  opacity: 0;
  transform: scale(0.3);
  transition:
    opacity 0.3s,
    transform 0.5s;
}
.btn:active::after {
  opacity: 1;
  transform: scale(2);
  transition: none;
}

.btn--primary {
  background: var(--color-primary);
  color: var(--color-white);
  box-shadow: var(--shadow-primary);
}
.btn--primary:hover {
  background: var(--color-primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(46, 99, 115, 0.4);
  color: var(--color-white);
}
.btn--secondary {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-border);
}
.btn--secondary:hover {
  background: var(--color-primary-surface);
  border-color: var(--color-primary);
  color: var(--color-primary);
}
[data-theme="dark"] .btn--secondary {
  color: var(--color-accent-light);
  border-color: var(--color-dark-border);
}
[data-theme="dark"] .btn--secondary:hover {
  background: rgba(63, 136, 158, 0.1);
  border-color: var(--color-accent-light);
}
.btn--accent {
  background: var(--color-accent);
  color: var(--color-white);
  box-shadow: var(--shadow-accent);
}
.btn--accent:hover {
  background: var(--color-accent-dark);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(63, 136, 158, 0.45);
  color: var(--color-white);
}
.btn--ghost {
  background: transparent;
  color: var(--color-on-surface-muted);
  border: none;
}
.btn--ghost:hover {
  background: var(--color-surface-2);
  color: var(--color-on-surface);
}
.btn--sm {
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-xs);
}
.btn--lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-md);
}
.btn--icon {
  width: 40px;
  height: 40px;
  padding: 0;
  border-radius: var(--radius-full);
}
.btn:disabled {
  opacity: 0.5;
  pointer-events: none;
}
.btn--loading {
  pointer-events: none;
}
.btn--loading .btn__text {
  opacity: 0;
}
.btn--loading::before {
  content: "";
  position: absolute;
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

/* ── Formulier elementen ── */
.form-field {
  margin-bottom: var(--space-5);
}
.form-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--color-on-surface);
  margin-bottom: var(--space-2);
}
.form-input {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-lg);
  border: 2px solid var(--color-border);
  background: var(--color-white);
  color: var(--color-on-surface);
  font-size: var(--text-base);
  transition:
    border-color var(--transition-fast),
    box-shadow var(--transition-fast);
}
[data-theme="dark"] .form-input {
  background: var(--color-dark-surface-2);
  border-color: var(--color-dark-border);
  color: var(--color-dark-on-surface);
}
.form-input:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(63, 136, 158, 0.15);
}
.form-input::placeholder {
  color: var(--color-on-surface-muted);
  opacity: 0.6;
}
.form-textarea {
  resize: vertical;
  min-height: 120px;
}
.form-input--error {
  border-color: var(--color-error);
  box-shadow: 0 0 0 3px rgba(192, 57, 43, 0.12);
}
.form-error {
  font-size: var(--text-xs);
  color: var(--color-error);
  margin-top: var(--space-1);
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

/* ── Snackbar ── */
.snackbar-container {
  position: fixed;
  bottom: var(--space-6);
  left: 50%;
  transform: translateX(-50%);
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  pointer-events: none;
}
.snackbar {
  background: var(--color-on-surface);
  color: var(--color-white);
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-xl);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  box-shadow: var(--shadow-xl);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  max-width: 400px;
  pointer-events: all;
  transform: translateY(20px);
  opacity: 0;
  transition:
    transform var(--transition-spring),
    opacity var(--transition-slow);
  white-space: nowrap;
}
[data-theme="dark"] .snackbar {
  background: var(--color-dark-surface-3);
}
.snackbar--show {
  transform: translateY(0);
  opacity: 1;
}
.snackbar--success {
  background: var(--color-success);
}
.snackbar--error {
  background: var(--color-error);
}
.snackbar--warning {
  background: var(--color-warning);
}
.snackbar .material-icons-round {
  font-size: 18px;
}

/* ── Modal / Dialog ── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  z-index: var(--z-modal);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  opacity: 0;
  visibility: hidden;
  transition:
    opacity var(--transition-slow),
    visibility var(--transition-slow);
}
.modal-overlay--open {
  opacity: 1;
  visibility: visible;
}
.modal {
  background: var(--color-white);
  border-radius: var(--radius-3xl);
  padding: var(--space-8);
  max-width: 500px;
  width: 100%;
  box-shadow: var(--shadow-2xl);
  transform: scale(0.95) translateY(20px);
  transition: transform var(--transition-spring);
  position: relative;
}
[data-theme="dark"] .modal {
  background: var(--color-dark-surface);
  border: 1px solid var(--color-dark-border);
}
.modal-overlay--open .modal {
  transform: scale(1) translateY(0);
}
.modal__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-5);
}
.modal__title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: var(--weight-semibold);
  color: var(--color-primary-dark);
}
[data-theme="dark"] .modal__title {
  color: var(--color-dark-on-surface);
}
.modal__close {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-on-surface-muted);
  background: var(--color-surface-2);
  transition: all var(--transition-fast);
}
.modal__close:hover {
  background: var(--color-surface-3);
  color: var(--color-on-surface);
}
.modal__body {
  margin-bottom: var(--space-6);
}
.modal__footer {
  display: flex;
  gap: var(--space-3);
  justify-content: flex-end;
}

/* ── Cookie banner ── */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--color-secondary);
  color: var(--color-white);
  z-index: var(--z-toast);
  transform: translateY(100%);
  transition: transform var(--transition-slow);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}
.cookie-banner--show {
  transform: translateY(0);
}
.cookie-banner__inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: var(--space-5) var(--space-6);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-4);
}
.cookie-banner__text {
  flex: 1;
  min-width: 280px;
  font-size: var(--text-sm);
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.85);
}
.cookie-banner__text a {
  color: var(--color-accent-light);
  text-decoration: underline;
}
.cookie-banner__actions {
  display: flex;
  gap: var(--space-3);
  flex-shrink: 0;
}

/* ── Advertenties ── */
.ad-container {
  border-radius: var(--radius-2xl);
  overflow: hidden;
  margin: var(--space-8) 0;
}
.ad-label {
  font-size: var(--text-xs);
  color: var(--color-on-surface-muted);
  text-align: center;
  margin-bottom: var(--space-2);
  letter-spacing: 0.05em;
}
.ad-demo {
  background: var(--color-surface-2);
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  text-align: center;
  min-height: 120px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  transition: background var(--transition-fast);
}
.ad-demo:hover {
  background: var(--color-surface-3);
}
.ad-demo__icon {
  width: 48px;
  height: 48px;
  background: var(--color-border);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-on-surface-muted);
}
.ad-demo__text {
  font-size: var(--text-sm);
  color: var(--color-on-surface-muted);
}

/* ── Voortgangsindicator ── */
.progress-bar {
  position: fixed;
  top: var(--navbar-height);
  left: 0;
  right: 0;
  height: 3px;
  background: var(--color-border-light);
  z-index: var(--z-sticky);
}
.progress-bar__fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  width: 0%;
  transition: width 0.1s linear;
  position: relative;
}
.progress-bar__fill::after {
  content: "";
  position: absolute;
  right: 0;
  top: -2px;
  width: 8px;
  height: 7px;
  background: var(--color-accent);
  border-radius: 50%;
  box-shadow: 0 0 6px var(--color-accent);
}

/* ── Footer ── */
.footer {
  background: var(--color-secondary);
  color: rgba(255, 255, 255, 0.85);
  padding: var(--space-12) 0 var(--space-6);
  margin-top: var(--space-16);
}
.footer__grid {
  display: grid;
  gap: var(--space-8);
  grid-template-columns: 1fr;
  margin-bottom: var(--space-10);
}
@media (min-width: 640px) {
  .footer__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (min-width: 1024px) {
  .footer__grid {
    grid-template-columns: 2fr 1fr 1fr 1fr;
  }
}
.footer__brand-name {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--color-white);
  margin-bottom: var(--space-3);
}
.footer__brand-desc {
  font-size: var(--text-sm);
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: var(--space-5);
}
.footer__col-title {
  font-size: var(--text-xs);
  font-weight: var(--weight-bold);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: var(--space-4);
}
.footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.footer__link {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.65);
  transition: color var(--transition-fast);
}
.footer__link:hover {
  color: var(--color-white);
}
.footer__bottom {
  padding-top: var(--space-6);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}
.footer__copyright {
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.4);
}
.footer__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.4);
}

/* ── Admin specifiek ── */
.admin-layout {
  display: grid;
  grid-template-columns: 1fr;
  min-height: calc(100vh - var(--navbar-height));
}
@media (min-width: 768px) {
  .admin-layout {
    grid-template-columns: 260px 1fr;
  }
}
.admin-sidebar {
  background: var(--color-secondary);
  padding: var(--space-6);
  display: none;
}
@media (min-width: 768px) {
  .admin-sidebar {
    display: block;
  }
}
.admin-sidebar__nav {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}
.admin-sidebar__link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-xl);
  color: rgba(255, 255, 255, 0.65);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  transition: all var(--transition-fast);
}
.admin-sidebar__link:hover,
.admin-sidebar__link--active {
  background: rgba(255, 255, 255, 0.1);
  color: var(--color-white);
}
.admin-sidebar__link .material-icons-round {
  font-size: 20px;
}
.admin-main {
  padding: var(--space-6) var(--space-4);
  overflow-y: auto;
}
@media (min-width: 768px) {
  .admin-main {
    padding: var(--space-8);
  }
}
.admin-header {
  margin-bottom: var(--space-8);
}
.admin-header__title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: var(--weight-bold);
  color: var(--color-primary-dark);
}
[data-theme="dark"] .admin-header__title {
  color: var(--color-dark-on-surface);
}
.admin-header__subtitle {
  color: var(--color-on-surface-muted);
  font-size: var(--text-sm);
  margin-top: var(--space-1);
}

/* Stats kaarten */
.stat-card {
  background: var(--color-white);
  border-radius: var(--radius-2xl);
  padding: var(--space-5) var(--space-6);
  border: 1px solid var(--color-border-light);
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: center;
  gap: var(--space-4);
}
[data-theme="dark"] .stat-card {
  background: var(--color-dark-surface);
  border-color: var(--color-dark-border);
}
.stat-card__icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-xl);
  background: var(--color-primary-surface);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  font-size: 26px;
  flex-shrink: 0;
}
.stat-card__value {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: var(--weight-bold);
  color: var(--color-primary);
  line-height: 1;
}
.stat-card__label {
  font-size: var(--text-sm);
  color: var(--color-on-surface-muted);
  margin-top: var(--space-1);
}

/* Tabel */
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-sm);
}
.data-table th {
  text-align: left;
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-xs);
  font-weight: var(--weight-bold);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-on-surface-muted);
  border-bottom: 2px solid var(--color-border);
  white-space: nowrap;
}
[data-theme="dark"] .data-table th {
  border-bottom-color: var(--color-dark-border);
}
.data-table td {
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-border-light);
  color: var(--color-on-surface);
  vertical-align: middle;
}
[data-theme="dark"] .data-table td {
  border-bottom-color: var(--color-dark-border);
}
.data-table tr:last-child td {
  border-bottom: none;
}
.data-table tr:hover td {
  background: var(--color-primary-surface);
}
[data-theme="dark"] .data-table tr:hover td {
  background: rgba(63, 136, 158, 0.05);
}
.data-table__wrapper {
  overflow-x: auto;
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border-light);
  background: var(--color-white);
}
[data-theme="dark"] .data-table__wrapper {
  background: var(--color-dark-surface);
  border-color: var(--color-dark-border);
}

/* Badge */
.badge {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  white-space: nowrap;
}
.badge--primary {
  background: var(--color-primary-surface);
  color: var(--color-primary);
}
.badge--success {
  background: var(--color-success-light);
  color: var(--color-success);
}
.badge--warning {
  background: var(--color-warning-light);
  color: var(--color-warning);
}
.badge--error {
  background: var(--color-error-light);
  color: var(--color-error);
}

/* ── About pagina ── */
.team-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}
@media (min-width: 640px) {
  .team-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}
.team-card {
  background: var(--color-white);
  border-radius: var(--radius-2xl);
  padding: var(--space-6);
  text-align: center;
  border: 1px solid var(--color-border-light);
  box-shadow: var(--shadow-sm);
  transition:
    transform var(--transition-slow),
    box-shadow var(--transition-slow);
}
[data-theme="dark"] .team-card {
  background: var(--color-dark-surface);
  border-color: var(--color-dark-border);
}
.team-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.team-card__avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: linear-gradient(
    135deg,
    var(--color-primary),
    var(--color-accent)
  );
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  color: var(--color-white);
  margin: 0 auto var(--space-4);
  font-weight: var(--weight-bold);
  box-shadow: var(--shadow-primary);
}
.team-card__name {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: var(--weight-semibold);
  color: var(--color-primary-dark);
  margin-bottom: var(--space-1);
}
[data-theme="dark"] .team-card__name {
  color: var(--color-dark-on-surface);
}
.team-card__role {
  font-size: var(--text-sm);
  color: var(--color-on-surface-muted);
  margin-bottom: var(--space-3);
}
.team-card__section {
  display: inline-flex;
  background: var(--color-primary-surface);
  color: var(--color-primary);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
}

/* ── Chips ── */
.chip {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  background: var(--color-surface-2);
  color: var(--color-on-surface-muted);
  border: 1px solid var(--color-border-light);
  cursor: default;
  white-space: nowrap;
}
.chip .material-icons-round {
  font-size: 14px;
}

/* ── Scrollbar styling ── */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: var(--color-surface-2);
}
::-webkit-scrollbar-thumb {
  background: var(--color-border);
  border-radius: var(--radius-full);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--color-on-surface-muted);
}

/* ── Animaties ── */
@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}
@keyframes shimmer {
  to {
    background-position: -200% 0;
  }
}
@keyframes fadeSlideIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}
@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}
@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
@keyframes pulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}
@keyframes float {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-8px);
  }
}

/* Scroll reveal animaties */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity 0.6s ease,
    transform 0.6s ease;
}
.reveal--visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal--delay-1 {
  transition-delay: 0.1s;
}
.reveal--delay-2 {
  transition-delay: 0.2s;
}
.reveal--delay-3 {
  transition-delay: 0.3s;
}
.reveal--delay-4 {
  transition-delay: 0.4s;
}

/* ── Divider ── */
.divider {
  height: 1px;
  background: var(--color-border-light);
  margin: var(--space-8) 0;
  border: none;
}
.divider--thick {
  height: 3px;
  background: linear-gradient(
    90deg,
    var(--color-primary),
    var(--color-accent),
    transparent
  );
  border: none;
}

/* ── Tabs ── */
.tabs {
  display: flex;
  gap: var(--space-1);
  border-bottom: 2px solid var(--color-border-light);
  margin-bottom: var(--space-6);
}
.tab {
  padding: var(--space-3) var(--space-5);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-on-surface-muted);
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition:
    color var(--transition-fast),
    border-color var(--transition-fast);
}
.tab:hover {
  color: var(--color-primary);
}
.tab--active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

/* ── Print stijlen ── */
@media print {
  .navbar,
  .footer,
  .loading-screen,
  .cookie-banner,
  .snackbar-container {
    display: none;
  }
  body {
    background: white;
    color: black;
  }
  .card {
    box-shadow: none;
    border: 1px solid #ddd;
  }
}