/*
 * vista-ai.css
 * VISTA College — AI in onderwijs
 * Officiële huisstijl: Petrol #00555c · Koraal #ec644a · Citroengeel #fff265
 * Typografie: Raleway (Black 900, ExtraBold 800, Medium 400)
 * Thema: licht / donker via data-theme op <html>
 *
 * Gebruik:
 *   <link rel="stylesheet" href="assets/vista-ai.css">
 *   Lettertypes worden via @font-face in elke HTML-pagina geladen.
 */

/* ═══ TOKENS ═══ */
:root {
  --petrol:      #00555c;
  --petrol-80:   #336e74;
  --petrol-60:   #668d91;
  --petrol-40:   #99b5b8;
  --petrol-20:   #ccdadb;
  --petrol-10:   #e6ecec;
  --petrol-glow: rgba(0,85,92,.1);

  --koraal:      #ec644a;
  --koraal-80:   #f0836e;
  --koraal-dark: #d4593f;
  --koraal-glow: rgba(236,100,74,.12);

  --geel:        #fff265;
  --geel-glow:   rgba(255,242,101,.25);

  --bg:          #f5f5f3;
  --surface:     #ffffff;
  --surface-2:   #eeeeed;
  --surface-3:   #e2e2df;
  --border:      #d4d4d0;
  --border-up:   #c0c0bc;
  --text:        #1a1a1a;
  --text-soft:   #2b2b2b;
  --text-muted:  #666666;
  --white:       #ffffff;

  --shadow:      0 4px 20px rgba(0,0,0,.1);
  --shadow-lg:   0 12px 40px rgba(0,0,0,.18);
  --ease:        .2s ease;
  --radius:      8px;
  --radius-lg:   14px;

  --header-h:    72px;
  --tabs-h:      40px;
  --topbar-h:    calc(var(--header-h) + var(--tabs-h));
  --content-max: 1080px;
  --col-max:     680px;
}

/* ═══ DONKER THEMA ═══ */
[data-theme="dark"] {
  --petrol-glow: rgba(0,85,92,.2);
  --koraal-glow: rgba(236,100,74,.2);

  --bg:          #0a0a0a;
  --surface:     #111111;
  --surface-2:   #1a1a1a;
  --surface-3:   #222222;
  --border:      #2c2c2c;
  --border-up:   #3c3c3c;
  --text:        #f0f0f0;
  --text-soft:   #b8b8b8;
  --text-muted:  #686868;

  --shadow:      0 4px 20px rgba(0,0,0,.45);
  --shadow-lg:   0 12px 40px rgba(0,0,0,.65);
}

*,*::before,*::after { box-sizing:border-box; margin:0; padding:0; }
html { scroll-behavior:smooth; }
body {
  font-family:'Raleway',sans-serif;
  font-weight:400; font-size:16px; line-height:1.75;
  color:var(--text); background:var(--bg);
}

/* ═══════════════════════════════════════
   HEADER
   Brand-zone: altijd petrol achtergrond
   → logo's komen altijd uit op elke theme
   Logos groter: 60px
═══════════════════════════════════════ */
/* ═══════════════════════════════════════════════
   TOP-BAR: brand-zone spans header-h + tabs-h
   Logo's groeien bij hover soepel mee
═══════════════════════════════════════════════ */
.top-bar {
  position: sticky;
  top: 0;
  z-index: 300;
  display: flex;
  align-items: stretch;
  box-shadow: 0 2px 20px rgba(0,0,0,.4);
  /* Totale hoogte = nav-h (72px) + tabs-h (40px) */
  height: calc(var(--header-h) + var(--tabs-h));
}

/* Brand-kolom: volle hoogte, petrol achtergrond */
.header-brand {
  background: var(--petrol);
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 48px 0 24px; /* rechts ruimte voor de schuine rand */
  flex-shrink: 0;
  position: relative;
  height: 100%;
  z-index: 2;
}
/* Diagonale rechterrand — loopt over de volledige top-bar hoogte */
.header-brand::after {
  content: '';
  position: absolute;
  right: -24px; top: 0;
  width: 0; height: 0;
  border-top: calc(var(--header-h) + var(--tabs-h)) solid var(--petrol);
  border-right: 24px solid transparent;
  z-index: 2;
  pointer-events: none;
}

/* Logo's */
.header-brand img {
  height: 88px;
  width: auto;
  object-fit: contain;
  filter: drop-shadow(0 2px 8px rgba(0,0,0,.4));
  position: relative;
  z-index: 0;
  flex-shrink: 0;
}
.brand-logo-link {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  text-decoration: none;
}
.brand-logo-link:focus-visible {
  outline: 2px solid var(--geel);
  outline-offset: 4px;
}
.brand-sep {
  width: 1px;
  height: 52px;
  background: rgba(255,255,255,.25);
  margin: 0 4px;
  flex-shrink: 0;
}

/* Rechter kolom: nav bovenop, tabs eronder */
.top-bar-right {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-width: 0;
}

/* ── SCROLL HINT — fade + pijltje rechts op nav en tabs ─────
   Werkt via ::after pseudo-element op de bestaande containers.
   Geen extra HTML nodig. Verdwijnt via JS (.at-end class).
─────────────────────────────────────────────────────────── */

/* Hoofdnavigatie: fade rechts */
.header-nav-zone {
  position: relative;
}
.header-nav-zone::after {
  content: '';
  position: absolute;
  right: 40px; top: 0; bottom: 0;
  width: 48px;
  background: linear-gradient(to right, transparent, var(--surface));
  pointer-events: none;
  z-index: 5;
  transition: opacity .25s ease;
}
.header-nav-zone.at-end::after { opacity: 0; }

/* Sectietabs: fade rechts */
.section-tabs-wrapper {
  position: relative;
}
.section-tabs-wrapper::after {
  content: '';
  position: absolute;
  right: 0; top: 0; bottom: 0;
  width: 40px;
  background: linear-gradient(to right, transparent, var(--surface-2));
  pointer-events: none;
  z-index: 5;
  transition: opacity .25s ease;
}
.section-tabs-wrapper.at-end::after { opacity: 0; }

/* ── MOBIELE HEADER SCALING ──────────────────────────────
   Tablet: logo's kleiner, header iets compacter
   Mobiel: één logo, nav scrollbaar, tabs compact
──────────────────────────────────────────────────────── */
@media(max-width:780px) {
  :root {
    --header-h: 56px;
    --tabs-h:   36px;
  }
  .header-brand {
    padding: 0 36px 0 14px;
    gap: 6px;
  }
  .header-brand::after {
    right: -18px;
    border-top-width: calc(var(--header-h) + var(--tabs-h));
    border-right-width: 18px;
  }
  .header-brand img {
    height: 44px;
  }
  .brand-sep {
    height: 32px;
  }
  .main-nav a {
    padding: 0 12px;
    font-size: .7rem;
  }
  .main-nav a:first-child {
    padding-left: 20px;
  }
  .tabs-label {
    padding: 0 10px 0 20px;
    font-size: .58rem;
  }
  .section-tabs a {
    padding: 0 12px;
    font-size: .66rem;
  }
}

@media(max-width:480px) {
  :root {
    --header-h: 52px;
    --tabs-h:   34px;
  }
  .header-brand {
    padding: 0 30px 0 12px;
    gap: 4px;
  }
  .header-brand::after {
    right: -16px;
    border-top-width: calc(var(--header-h) + var(--tabs-h));
    border-right-width: 16px;
  }
  /* Op klein scherm: verberg tweede logo */
  .header-brand .brand-sep,
  .header-brand > img:last-of-type {
    display: none;
  }
  .header-brand img {
    height: 38px;
  }
  .header-nav-zone {
    padding-left: 0;
  }
  .main-nav a {
    padding: 0 10px;
    font-size: .68rem;
  }
  .main-nav a:first-child {
    padding-left: 16px;
  }
  .section-tabs a {
    padding: 0 10px;
    font-size: .64rem;
  }
  .section-tabs a svg {
    display: none;
  }
  .tabs-label {
    display: none;
  }
  .theme-toggle {
    width: 40px;
  }
  .page-nav-btn .btn-sub {
    display: none;
  }
}

.header-nav-zone {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: stretch;
  height: var(--header-h);
  /* Geen extra padding — schuine rand van brand overlapt de nav-zone */
  padding-left: 0;
  flex-shrink: 0;
  transition: background var(--ease), border-color var(--ease);
}
.main-nav {
  display:flex; align-items:stretch;
  overflow-x:auto; scrollbar-width:none;
  -webkit-overflow-scrolling:touch; flex:1;
}
.main-nav::-webkit-scrollbar { display:none; }
.main-nav a {
  display:flex; align-items:center;
  padding:0 16px;
  font-size:.75rem; font-weight:900;
  letter-spacing:.06em; text-transform:uppercase;
  color:var(--text-muted); text-decoration:none;
  white-space:nowrap; flex-shrink:0;
  border-bottom:3px solid transparent;
  transition:color var(--ease), border-color var(--ease), background var(--ease);
}
/* Eerste nav-link start na de schuine rand van de brand-zone */
.main-nav a:first-child {
  padding-left: 32px;
}
.main-nav a:hover { color:var(--text-soft); background:var(--surface-2); }
.main-nav a.active {
  color:var(--petrol-80);
  border-bottom-color:var(--petrol);
  background:var(--petrol-glow);
}
.main-nav .home-nav-link {
  width: 72px;
  justify-content: center;
  flex-direction: column;
  gap: 2px;
  padding: 0 14px;
  color: var(--petrol-80);
  line-height: 1;
}
.main-nav .home-nav-link:hover {
  color: var(--text-soft);
  background: var(--surface-2);
}
.main-nav .home-nav-link svg {
  width: 22px;
  height: 20px;
}
.main-nav .home-nav-link span {
  font-size: .58rem;
  line-height: 1;
  letter-spacing: .08em;
}
.main-nav .home-nav-mobile-label {
  display: none;
}

.theme-toggle {
  display:flex; align-items:center; justify-content:center;
  width:52px; flex-shrink:0; border:none;
  background:transparent; cursor:pointer;
  color:var(--text-muted);
  border-left:1px solid var(--border-up);
  transition:color var(--ease), background var(--ease);
}
.theme-toggle:hover { color:var(--text); background:var(--surface-2); }
.theme-toggle svg { width:18px; height:18px; }


/* ═══════════════════════════════════════
   MOBIEL HOOFDMENU TOGGLE
   - hoofdmenu inklapbaar op mobiel
   - sectietabs blijven zichtbaar en swipebaar
═══════════════════════════════════════ */
.menu-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 52px;
  flex-shrink: 0;
  border: none;
  background: transparent;
  cursor: pointer;
  color: var(--text-muted);
  border-left: 1px solid var(--border-up);
  transition: color var(--ease), background var(--ease);
}
.menu-toggle:hover {
  color: var(--text);
  background: var(--surface-2);
}
.menu-toggle .menu-toggle-lines {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  width: 18px;
}
.menu-toggle .menu-toggle-lines span {
  display: block;
  height: 2px;
  width: 18px;
  border-radius: 999px;
  background: currentColor;
  transition: transform var(--ease), opacity var(--ease);
}
.header-nav-zone.nav-open .menu-toggle .menu-toggle-lines span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}
.header-nav-zone.nav-open .menu-toggle .menu-toggle-lines span:nth-child(2) {
  opacity: 0;
}
.header-nav-zone.nav-open .menu-toggle .menu-toggle-lines span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

/* ═══════════════════════════════════════
   SECTIETABS
═══════════════════════════════════════ */
.section-tabs-wrapper {
  background: var(--surface-2);
  border-bottom: 2px solid var(--border);
  flex: 1;
  display: flex;
  align-items: stretch;
  transition: background var(--ease), border-color var(--ease);
}
.tabs-inner {
  display:flex; align-items:stretch;
  overflow-x:auto; scrollbar-width:none;
  flex:1;
  min-height:var(--tabs-h);
}
.tabs-inner::-webkit-scrollbar { display:none; }
.tabs-label {
  display:flex; align-items:center; gap:5px;
  padding:0 14px 0 32px; /* links inspringen tot na de schuine rand */
  font-size:.6rem; font-weight:900;
  letter-spacing:.14em; text-transform:uppercase;
  color:var(--text-muted); white-space:nowrap;
  flex-shrink:0; border-right:1px solid var(--border-up);
  user-select:none;
}
.tabs-label svg { width:10px; height:10px; }
.section-tabs { display:flex; align-items:stretch; flex:1; }
.section-tabs a {
  display:flex; align-items:center; gap:6px;
  padding:0 16px;
  font-size:.7rem; font-weight:800;
  letter-spacing:.05em; text-transform:uppercase;
  color:var(--text-muted); text-decoration:none;
  white-space:nowrap; flex-shrink:0;
  border-bottom:2px solid transparent;
  transition:color var(--ease), border-color var(--ease);
}
.section-tabs a svg { width:12px; height:12px; opacity:.5; transition:opacity var(--ease); }
.section-tabs a:hover { color:var(--text); }
.section-tabs a.active {
  color:var(--koraal); border-bottom-color:var(--koraal); font-weight:900;
}
.section-tabs a.active svg { opacity:1; stroke:var(--koraal); }

/* ═══════════════════════════════════════
   PREV / NEXT
═══════════════════════════════════════ */
.page-nav {
  position:fixed; bottom:28px; right:24px;
  display:flex; gap:10px; z-index:400;
}
.page-nav-btn {
  display:flex; align-items:center; gap:10px;
  padding:11px 18px;
  background:var(--surface-2); border:1px solid var(--border-up);
  border-radius:50px; text-decoration:none; color:var(--text-soft);
  font-family:'Raleway',sans-serif; font-size:.72rem; font-weight:900;
  letter-spacing:.05em; text-transform:uppercase;
  white-space:nowrap; box-shadow:var(--shadow);
  transition:all var(--ease);
}
.page-nav-btn svg { width:15px; height:15px; flex-shrink:0; }
.page-nav-btn:hover {
  background:var(--petrol); border-color:var(--petrol);
  color:var(--white); transform:translateY(-2px);
  box-shadow:0 8px 24px var(--petrol-glow);
}
.page-nav-btn .btn-sub {
  font-size:.64rem; font-weight:400; opacity:.65; display:block;
  max-width:130px; overflow:hidden; text-overflow:ellipsis; white-space:nowrap;
}
@media(max-width:480px) {
  .page-nav-btn .btn-label, .page-nav-btn .btn-sub { display:none; }
  .page-nav-btn { padding:11px; }
}

/* ═══════════════════════════════════════
   Ai.VA STICKY BUTTON
   — links boven de page-nav
   — inklapbaar: toont alleen icoon,
     op hover verschijnt de label
═══════════════════════════════════════ */
.aiva-btn {
  position:fixed;
  bottom:28px; left:24px;
  z-index:400;
  display:flex; align-items:center;
  gap:0;
  background:var(--petrol);
  border:2px solid var(--petrol-80);
  border-radius:50px;
  text-decoration:none;
  color:var(--white);
  font-family:'Raleway',sans-serif;
  font-size:.78rem; font-weight:900;
  letter-spacing:.06em; text-transform:uppercase;
  box-shadow:0 6px 24px var(--petrol-glow);
  overflow:hidden;
  /* Compacte breedte: alleen icoon */
  max-width:52px;
  height:52px;
  padding:0 8px;
  transition:max-width .35s cubic-bezier(.4,0,.2,1),
             padding .35s cubic-bezier(.4,0,.2,1),
             background var(--ease),
             box-shadow var(--ease),
             transform var(--ease);
  white-space:nowrap;
}
.aiva-btn:hover {
  max-width:240px;
  padding:0 18px 0 8px;
  background:var(--koraal);
  border-color:var(--koraal-dark);
  transform:translateY(-2px);
  box-shadow:0 10px 32px var(--koraal-glow);
}
.aiva-btn img {
  width:36px; height:36px;
  border-radius:50%; object-fit:cover;
  flex-shrink:0;
  filter:drop-shadow(0 1px 3px rgba(0,0,0,.3));
  transition:transform var(--ease);
}
.aiva-btn:hover img { transform:scale(1.08); }
.aiva-label {
  overflow:hidden;
  opacity:0;
  max-width:0;
  transition:opacity .25s ease .1s, max-width .35s cubic-bezier(.4,0,.2,1);
  padding-left:0;
  font-size:.78rem; font-weight:900;
  letter-spacing:.06em; text-transform:uppercase;
}
.aiva-btn:hover .aiva-label {
  opacity:1;
  max-width:200px;
  padding-left:10px;
}

/* ═══ HERO ═══ */
.hero {
  background:linear-gradient(140deg,#012e32 0%,#011a1d 55%,var(--bg) 100%);
  border-bottom:1px solid var(--border);
  padding:72px 0 64px;
}
[data-theme="light"] .hero {
  background:linear-gradient(140deg, var(--petrol-20) 0%, var(--petrol-10) 55%, var(--bg) 100%);
}
.hero-inner {
  max-width:var(--content-max); margin:0 auto; padding:0 48px;
  display:grid; grid-template-columns:1fr 400px; gap:56px; align-items:center;
}
.hero h1 {
  max-width:660px;
  font-size:clamp(2.15rem,4.2vw,3.6rem); font-weight:900;
  line-height:1.03; color:var(--white); margin-bottom:20px; letter-spacing:-.032em;
}
[data-theme="light"] .hero h1 { color:var(--petrol); }
.hero h1 em { color:var(--koraal); font-style:normal; }
.hero p { font-size:1.05rem; color:var(--text-soft); line-height:1.75; max-width:480px; }
.hero-img {
  border-radius:var(--radius-lg); overflow:hidden;
  box-shadow:var(--shadow-lg); aspect-ratio:4/3;
  background:var(--surface-3);
  display:flex; align-items:center; justify-content:center;
  color:var(--text-muted); font-size:.85rem;
}
.hero-img img {
  width:100%; height:100%;
  object-fit:cover; display:block;
}
@media(max-width:860px) {
  .hero-inner { grid-template-columns:1fr; padding:0 24px; }
  .hero-img { display:none; }
}
.hero-accent-line {
  display: inline-flex;
  align-items: flex-start;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-domain {
  display: inline-flex;
  flex-direction: column;
  align-items: flex-start;

  margin-top: 18px;
  padding: 10px 14px;

  border-radius: 16px;

  background: var(--petrol-glow);
  border: 1px solid var(--petrol-40);

  color: var(--petrol);

  font-size: .9rem;
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: .02em;
  text-transform: uppercase;

  transition:
    background var(--ease),
    border-color var(--ease),
    color var(--ease),
    transform var(--ease),
    box-shadow var(--ease);
}

[data-theme="dark"] .hero-domain {
  background: var(--koraal-glow);
  border-color: var(--koraal-80);
  color: var(--koraal);
}

@media(max-width:640px) {
  .hero-accent-line {
    gap: 10px;
  }

  .hero-domain {
    margin-top: 8px;
    font-size: .72rem;
    padding: 8px 10px;
  }
}

.hero-link {
  display: inline-flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;

  margin-top: 20px;

  width: fit-content;

  text-decoration: none;
}

.hero-link-title {
  font-weight: 800;
  line-height: 1.2;
}

.hero-link-sub {
  font-size: .72rem;
  line-height: 1.35;

  opacity: .8;

  letter-spacing: .01em;
  text-transform: none;
}

.hero-link:hover {
  background: var(--petrol);
  border-color: var(--petrol);
  color: var(--white);
}

[data-theme="dark"] .hero-link:hover {
  background: var(--koraal);
  border-color: var(--koraal);
  color: var(--white);
}

.hero-link,
.hero-link:hover,
.hero-link:focus,
.hero-link:active,
.hero-link * {
  text-decoration: none !important;
}
/* ═══ AFBEELDINGEN IN CONTENT ═══ */

/* Twee-koloms layout met afbeelding */
.two-col {
  display:flex; flex-direction:row;
  gap:36px; align-items:flex-start; margin-top:24px;
}
.two-col > * { flex:1 1 0; min-width:0; }
.two-col img {
  width:100%; height:auto;
  border-radius:var(--radius); box-shadow:var(--shadow-lg);
  display:block;
}
/* Twee-koloms item met info-box onderaan uitgelijnd */
.two-col-item {
  display: flex;
  flex-direction: column;
}
.two-col-item p { margin-bottom: 14px; }
.two-col-item .info-box {
  margin-top: auto;
}
@media(max-width:640px) {
  .two-col {
    flex-direction: column;
  }

  .two-col > * {
    flex: 0 0 auto;
    width: 100%;
  }

  .two-col-item .info-box {
    margin-top: 16px;
  }
}

/* Workshop-blok: tekst + afbeelding naast elkaar, foto niet te dominant */
.workshop-block {
  display: flex;
  flex-direction: row;
  gap: 32px;
  align-items: flex-start;
  margin-top: 4px;
  margin-bottom: 8px;
}
.workshop-tekst {
  display: flex;
  flex-direction: column;
}
.workshop-tekst p { margin-bottom: 14px; }
.workshop-tekst p:last-child { margin-bottom: 0; }
.workshop-img {
  width: 100%;
  height: 260px;
  object-fit: cover;
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  display: block;
}
@media(max-width:640px) {
  .workshop-block { flex-direction: column; }
  .workshop-img { height: 220px; }
}

/* Flyers naast elkaar */
.flyers {
  display:flex;
  flex-direction:row;
  gap:20px;
  margin-top:20px;
}

.flyers > * {
  flex:1 1 0;
  min-width:0;
}

.flyer-link {
  display:block;
  border-radius:var(--radius);
  overflow:hidden;
  border:1px solid var(--border-up);
  box-shadow:var(--shadow);
  text-decoration:none;
  transition:border-color var(--ease),transform var(--ease),box-shadow var(--ease);
}

.flyer-link:hover {
  border-color:var(--koraal);
  transform:translateY(-3px);
  box-shadow:var(--shadow-lg);
}

.flyer-link img {
  width:100%;
  height:auto;
  display:block;
}

@media(max-width:520px) {
  .flyers {
    flex-direction:column;
  }

  .flyers > * {
    flex:0 0 auto;
    width:100%;
  }

  .flyer-link img {
    display:block;
    width:100%;
    height:auto;
  }
}

/* Praatplaat — grote klikbare afbeelding */
.praatplaat {
  display:block; border-radius:var(--radius); overflow:hidden;
  border:1px solid var(--border-up); box-shadow:var(--shadow-lg);
  text-decoration:none; margin-top:20px;
  transition:border-color var(--ease),transform var(--ease);
}
.praatplaat:hover {
  border-color:var(--petrol-80); transform:translateY(-2px);
}
.praatplaat img { width:100%; height:auto; display:block; }

/* ═══ LAYOUT ═══ */
.page-wrap {
  max-width:var(--content-max); margin:0 auto; padding:0 48px 140px;
}
@media(max-width:640px) { .page-wrap { padding:0 24px 120px; } }

.section {
  padding:64px 0; border-bottom:1px solid var(--border);
  display:grid; grid-template-columns:200px 1fr;
  gap:40px 56px; align-items:start;
}
.section:last-child { border-bottom:none; }
.section-meta {
  padding-top:2px;
  position:sticky; top:calc(var(--topbar-h) + 20px);
}
.section-eyebrow {
  display:flex; align-items:center; gap:8px; margin-bottom:8px;
}
.section-icon {
  width:38px; height:38px;
  color:var(--white);
  background:var(--petrol);
  border-radius:999px; display:flex; align-items:center; justify-content:center;
  box-shadow:0 8px 20px var(--petrol-glow);
}
.section-icon svg { width:18px; height:18px; stroke:currentColor; }
.section-label {
  font-size:.65rem; font-weight:900; letter-spacing:.14em;
  text-transform:uppercase; color:var(--petrol-80);
}
.section-meta p {
  font-size:.78rem; color:var(--text-muted); line-height:1.6; margin-top:8px;
}
.section-body h2 {
  font-size:clamp(1.6rem,2.7vw,2.25rem); font-weight:900;
  color:var(--text); line-height:1.12; margin-bottom:20px; letter-spacing:-.025em;
}
.section-body h3 {
  font-size:.76rem; font-weight:900; color:var(--petrol-80);
  text-transform:uppercase; letter-spacing:.1em; margin:28px 0 10px;
}
.section-body p { color:var(--text-soft); margin-bottom:14px; }
.section-body p strong { color:var(--text); font-weight:800; }
.section.full-width { grid-template-columns:1fr; }
.section.full-width .section-meta {
  position:static; display:flex; align-items:center; gap:14px; margin-bottom:4px;
}
.section.full-width .section-meta p { display:none; }
@media(max-width:780px) {
  .section { grid-template-columns:1fr; gap:16px; padding:44px 0; }
  .section-meta { position:static; }
}

/* ═══ KNOPPEN ═══ */
.btn {
  display:flex; align-items:center; justify-content:center;
  gap:10px; width:100%; padding:15px 24px; border-radius:var(--radius);
  font-family:'Raleway',sans-serif; font-size:.82rem; font-weight:900;
  letter-spacing:.07em; text-transform:uppercase;
  text-decoration:none; cursor:pointer; border:2px solid transparent;
  transition:background var(--ease),border-color var(--ease),
             color var(--ease),transform var(--ease),box-shadow var(--ease);
  margin-top:14px;
}
.btn svg { width:16px; height:16px; flex-shrink:0; }
.btn-primary { background:var(--petrol); color:var(--white); border-color:var(--petrol); }
.btn-primary:hover {
  background:var(--petrol-80); border-color:var(--petrol-80);
  transform:translateY(-2px); box-shadow:0 8px 24px var(--petrol-glow);
}
.btn-outline { background:transparent; color:var(--petrol-80); border-color:var(--petrol-80); }
.btn-outline:hover {
  background:var(--petrol); color:var(--white); border-color:var(--petrol);
  transform:translateY(-2px); box-shadow:0 8px 24px var(--petrol-glow);
}
.btn-koraal { background:var(--koraal); color:var(--white); border-color:var(--koraal); }
.btn-koraal:hover {
  background:var(--koraal-dark); border-color:var(--koraal-dark);
  transform:translateY(-2px); box-shadow:0 8px 24px var(--koraal-glow);
}
.btn-geel { background:var(--geel); color:var(--petrol); border-color:var(--geel); font-weight:900; }
.btn-geel:hover {
  filter:brightness(1.06); transform:translateY(-2px); box-shadow:0 8px 24px var(--geel-glow);
}

/* ═══ VIDEO EMBED ═══ */
.video-embed {
  position: relative;
  width: 100%;
  padding-top: 56.25%; /* 16:9 */
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  margin: 24px 0;
  background: #000;
}
.video-embed iframe {
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  height: 100%;
  border: none;
}

/* ═══ COMPONENTEN ═══ */
.webapp-cta {
  display: flex;
  flex-direction: column;
  gap: 6px;

  width: 100%;

  margin-top: 18px;
  padding: 18px 20px;

  border-radius: var(--radius-lg);
  border: 1px solid var(--petrol-40);

  background:
    linear-gradient(
      135deg,
      var(--petrol-glow) 0%,
      var(--surface-2) 100%
    );

  text-decoration: none;

  transition:
    transform var(--ease),
    border-color var(--ease),
    box-shadow var(--ease),
    background var(--ease);
}

.webapp-cta:hover {
  transform: translateY(-2px);
  border-color: var(--petrol);
  box-shadow: var(--shadow);
}

.webapp-cta-title {
  color: var(--petrol);
  font-size: 1rem;
  font-weight: 900;
  line-height: 1.2;
}
.webapp-cta,
.webapp-cta:hover,
.webapp-cta:focus,
.webapp-cta:active,
.webapp-cta * {
  text-decoration: none !important;
}

.webapp-cta-sub {
  color: var(--text-soft);
  font-size: .88rem;
  line-height: 1.45;
}

[data-theme="dark"] .webapp-cta {
  background:
    linear-gradient(
      135deg,
      rgba(255,107,74,.08) 0%,
      rgba(255,255,255,.02) 100%
    );

  border-color: var(--koraal-80);
}

[data-theme="dark"] .webapp-cta:hover {
  border-color: var(--koraal);
}

[data-theme="dark"] .webapp-cta-title {
  color: var(--koraal);
}
.info-box {
  background:var(--surface-2); border-left:4px solid var(--koraal);
  padding:20px 24px; border-radius:var(--radius);
  margin-top:24px;
}
.info-box p { color:var(--text-soft); margin-bottom:8px; }
.info-box p:last-child { margin-bottom:0; }
.info-box a { color:var(--koraal); font-weight:800; text-decoration:none; }
.info-box a:hover { text-decoration:underline; }

.speech-bubble {
  background:var(--surface-2); border:1px solid var(--petrol-80);
  border-radius:var(--radius-lg); padding:20px 26px 20px 40px;
  margin:24px 0; color:var(--petrol-80);
  font-size:1.05rem; font-weight:800; font-style:italic; position:relative;
}
.speech-bubble::before {
  content:'"'; font-size:4rem; color:var(--petrol);
  position:absolute; top:-10px; left:14px; opacity:.2; line-height:1;
}

.cards-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 20px;
  align-items: stretch;
}
@media(max-width:600px) {
  .cards-grid { grid-template-columns: 1fr; }
}
.card {
  background:var(--surface-2); padding:20px; border-radius:var(--radius);
  border:1px solid var(--border-up); border-top:3px solid var(--petrol-80);
  display:flex; flex-direction:column;
  transition:border-top-color var(--ease),background var(--ease),transform var(--ease),box-shadow var(--ease);
}
.card:hover {
  border-top-color:var(--koraal); background:var(--surface-3);
  transform:translateY(-2px); box-shadow:var(--shadow);
}
.card strong { display:block; color:var(--text); font-weight:800; margin-bottom:6px; font-size:.9rem; }
.card span   { font-size:.83rem; color:var(--text-muted); line-height:1.55; flex:1; }
.card.full   { grid-column:1/-1; }

/* Toetsing: toetsposter */
.poster-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(180px, 260px);
  gap: 28px;
  align-items: start;
}

.poster-text {
  min-width: 0;
}

.poster-image img {
  width: 100%;
  max-width: 260px;
  height: auto;
  display: block;
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  background: var(--surface-2);
}

@media(max-width: 780px) {
  .poster-layout {
    grid-template-columns: 1fr;
  }

  .poster-image img {
    max-width: 220px;
  }
}


/* Toetsing: AI-waaier */
.waaier-wrapper {
  display: block;
}

.waaier-intro {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(180px, 240px);
  gap: 28px;
  align-items: stretch;
  margin-bottom: 24px;
}

.waaier-text,
.waaier-content {
  min-width: 0;
}

.waaier-float {
  width: 100%;
  max-width: 240px;
  height: 100%;
  max-height: 235px;
  object-fit: contain;
  display: block;
  justify-self: end;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  background: var(--surface-2);
}

@media(max-width: 780px) {
  .waaier-intro {
    grid-template-columns: 1fr;
  }

  .waaier-float {
    width: 100%;
    max-width: 320px;
    height: auto;
    max-height: none;
    justify-self: start;
  }
}

/* Toetsing: gesprekskaarten AI en plagiaat */
.gesprek-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 24px;
}

.gesprek-card {
  display: flex;
  flex-direction: column;
  min-height: 190px;
  padding: 20px;
  border: 1px solid var(--border-up);
  border-top: 3px solid var(--petrol-80);
  border-radius: var(--radius);
  background: var(--surface-2);
  transition: border-top-color var(--ease), background var(--ease), transform var(--ease), box-shadow var(--ease);
}

.gesprek-card:hover {
  border-top-color: var(--koraal);
  background: var(--surface-3);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.gesprek-card-title {
  color: var(--petrol-80);
  font-size: .7rem;
  font-weight: 900;
  letter-spacing: .12em;
  line-height: 1.25;
  text-transform: uppercase;
}

.gesprek-card-question {
  flex: 1;
  margin: 18px 0 20px;
  color: var(--text);
  font-size: 1rem;
  font-style: italic;
  font-weight: 400;
  line-height: 1.5;
}

.gesprek-card-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: fit-content;
  min-height: 36px;
  padding: 9px 13px;
  border: 1px solid var(--petrol-80);
  border-radius: var(--radius);
  background: transparent;
  color: var(--petrol-80);
  font-family: 'Raleway', sans-serif;
  font-size: .68rem;
  font-weight: 900;
  letter-spacing: .08em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background var(--ease), border-color var(--ease), color var(--ease), transform var(--ease);
}

.gesprek-card-btn:hover {
  background: var(--petrol);
  border-color: var(--petrol);
  color: var(--white);
  transform: translateY(-1px);
}

.gesprek-card-btn svg {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}

@media(max-width: 680px) {
  .gesprek-grid {
    grid-template-columns: 1fr;
  }
}


.email-block {
  background:var(--surface-2); border:1px solid var(--border-up);
  border-radius:var(--radius); padding:24px; margin-top:24px;
}

.form-status {
  border: 1px solid var(--border-up);
  border-left: 4px solid var(--petrol-80);
  background: var(--surface-2);
  color: var(--text);
  border-radius: var(--radius);
  padding: 14px 16px;
  margin: 18px 0;
  line-height: 1.6;
  font-size: .9rem;
}

.form-status.error {
  border-left-color: var(--koraal);
}
.email-block p { font-size:.85rem; color:var(--text-muted); margin-bottom:12px; }

/* ═══ STIJLGIDS HELPERS ═══ */
.demo-title {
  font-size:.62rem; font-weight:900; letter-spacing:.16em;
  text-transform:uppercase; color:var(--text-muted);
  padding:40px 48px 12px;
  border-top:1px dashed var(--border-up); margin-top:32px;
}
.color-row { display:flex; flex-wrap:wrap; gap:8px; padding:0 48px 16px; }
.swatch {
  width:80px; height:56px; border-radius:var(--radius);
  display:flex; flex-direction:column; align-items:center;
  justify-content:flex-end; padding-bottom:6px;
  font-size:.58rem; font-weight:900; letter-spacing:.03em;
  color:white; text-shadow:0 1px 3px rgba(0,0,0,.5); text-align:center;
  border:1px solid rgba(255,255,255,.07);
}

.site-footer a {
  color: inherit !important;
  text-decoration: none !important;
}

.site-footer a:hover {
  text-decoration: underline !important;
}
.site-footer {
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: 32px 48px;
  display: flex;
  justify-content: center;
  transition: background var(--ease), border-color var(--ease);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 56px;
  max-width: var(--content-max);
  width: 100%;
  transform: translateX(-50px);
}

/* ALLE blokken centreren */
.footer-left,
.footer-center,
.footer-right {
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Tekstblokken */
.footer-left,
.footer-right {
  text-align: left;
  font-size: .76rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* Logo */
.footer-center img {
  height: 80px;
  width: auto;
  object-fit: contain;
  transition: transform var(--ease), filter var(--ease);
}

.footer-center img:hover {
  transform: scale(1.06) translateY(-2px);
  filter: brightness(1.1);
}

/* Rechter tekst iets kleiner */
.footer-right {
  font-size: .72rem;
}

/* mobiel */
@media (max-width: 640px) {
  .site-footer {
    padding: 24px 20px 110px;
  }

  .footer-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 16px;
    width: 100%;
    text-align: center;
    transform: none;
  }

  .footer-left,
  .footer-center,
  .footer-right {
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
  }

  .footer-left > div,
  .footer-right > div {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
  }

  .footer-left,
  .footer-right {
    font-size: .72rem;
    line-height: 1.6;
  }

  .footer-center img {
    height: 64px;
    width: auto;
    max-width: 100%;
  }

  .footer-right {
    font-size: .68rem;
    line-height: 1.5;
  }

  .page-nav {
    bottom: calc(100px + env(safe-area-inset-bottom));
    right: 16px;
    gap: 8px;
  }

  .page-nav-btn {
    padding: 10px;
  }

  .aiva-btn {
    bottom: calc(100px + env(safe-area-inset-bottom));
    left: 16px;
    width: 46px;
    height: 46px;
    max-width: 46px;
  }

  .aiva-btn img {
    width: 30px;
    height: 30px;
  }
}

/* ═══ AI-LANDSCHAP VISUALISATIE ═══ */
.landschap-intro {
  display: flex;
  flex-direction: row;
  gap: 32px;
  align-items: flex-start;
  margin-top: 8px;
}
.landschap-tekst {
  flex: 1 1 0;
  min-width: 0;
  display: flex;
  flex-direction: column;
}
.landschap-visual {
  flex: 1 1 0;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.landschap-visual img {
  width: 100%; height: auto; display: block;
  border-radius: var(--radius);
  border: 1px solid var(--border-up);
  box-shadow: var(--shadow-lg);
}
.landschap-visual-caption p {
  font-size: .85rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 10px;
}
.landschap-visual-caption p:last-child { margin-bottom: 0; }
@media(max-width:700px) {
  .landschap-intro { flex-direction: column; }
}

/* ═══ PROMPT-KAARTEN ═══ */
.prompt-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 24px;
}
@media(max-width:600px) { .prompt-cards { grid-template-columns: 1fr; } }

.prompt-card {
  background: var(--surface-2);
  border: 1px solid var(--border-up);
  border-top: 3px solid var(--petrol-80);
  border-radius: var(--radius);
  padding: 20px;
  cursor: pointer;
  display: flex; flex-direction: column; gap: 6px;
  transition: border-top-color var(--ease), transform var(--ease), box-shadow var(--ease);
}
.prompt-card:hover {
  border-top-color: var(--koraal);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}
.prompt-card-icon {
  width: 32px; height: 32px;
  background: var(--petrol-glow);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 4px;
}
.prompt-card-icon svg { width: 15px; height: 15px; stroke: var(--petrol-80); }
.prompt-card strong { font-size: .9rem; font-weight: 800; color: var(--text); }
.prompt-card span   { font-size: .82rem; color: var(--text-muted); line-height: 1.55; flex: 1; }
.prompt-card-toggle {
  display: flex; align-items: center; gap: 4px;
  font-size: .75rem; font-weight: 800; color: var(--petrol-80);
  margin-top: 8px; letter-spacing: .03em;
}
.prompt-card-toggle svg { width: 12px; height: 12px; stroke: var(--petrol-80); }
.prompt-card.active { border-top-color: var(--koraal); }

/* Prompt popup */
.prompt-popup {
  display: none;
  background: var(--surface-3);
  border: 1px solid var(--koraal);
  border-radius: var(--radius);
  padding: 24px;
  margin-top: 16px;
  grid-column: 1 / -1;
}
.prompt-popup.visible { display: block; }
.prompt-popup-label {
  font-size: .65rem; font-weight: 900;
  text-transform: uppercase; letter-spacing: .12em;
  color: var(--koraal); margin-bottom: 12px;
}
.prompt-popup-text {
  font-size: .9rem; color: var(--text-soft);
  line-height: 1.7; font-style: italic;
  margin-bottom: 16px;
}
.prompt-popup-actions { display: flex; gap: 10px; flex-wrap: wrap; }
.btn-sm { padding: 8px 14px; font-size: .78rem; }

/* ═══ PROMPT-BOUWER ═══ */
.prompt-builder {
  display: flex; flex-direction: column; gap: 0;
  margin-top: 24px;
  border: 1px solid var(--border-up);
  border-radius: var(--radius);
  overflow: hidden;
}
.prompt-builder-step {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 0;
  border-bottom: 1px solid var(--border);
  transition: background var(--ease);
}
.prompt-builder-step:last-child { border-bottom: none; }
.prompt-builder-step:hover { background: var(--surface-2); }
.pb-number {
  display: flex; align-items: flex-start; justify-content: center;
  padding-top: 22px;
  font-size: 1.1rem; font-weight: 900;
  color: var(--petrol-80);
  background: var(--surface-2);
  border-right: 1px solid var(--border);
}
.prompt-builder-step.optional .pb-number { color: var(--text-muted); }
.pb-content {
  padding: 18px 20px;
}
.pb-content strong {
  display: block; font-size: .88rem; font-weight: 800;
  color: var(--text); margin-bottom: 4px;
}
.pb-content p {
  font-size: .82rem; color: var(--text-muted);
  line-height: 1.55; margin-bottom: 10px;
}
.pb-example {
  background: var(--surface-3);
  border-left: 3px solid var(--petrol-80);
  padding: 10px 14px;
  border-radius: 0 var(--radius) var(--radius) 0;
  font-size: .82rem; color: var(--text-soft);
  font-style: italic; line-height: 1.55;
}
.pb-example-label {
  display: inline-block;
  font-size: .62rem; font-weight: 900;
  text-transform: uppercase; letter-spacing: .1em;
  color: var(--petrol-80); margin-right: 6px;
  font-style: normal;
}
.optional-tag {
  font-size: .6rem; font-weight: 900;
  text-transform: uppercase; letter-spacing: .1em;
  color: var(--text-muted); background: var(--surface-3);
  padding: 2px 6px; border-radius: 4px;
  font-style: normal; margin-left: 6px;
}


@media(max-width:780px) {
  .header-nav-zone {
    position: relative;
    justify-content: flex-end;
  }

  .header-nav-zone::after {
    display: none;
  }

  .menu-toggle {
    display: flex;
    width: 46px;
  }

  .main-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    z-index: 12;
    flex-direction: column;
    align-items: stretch;
    overflow: visible;
    background: var(--surface);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border-up);
    box-shadow: var(--shadow-lg);
  }

  .header-nav-zone.nav-open .main-nav {
    display: flex;
  }

  .main-nav a {
    min-height: 48px;
    padding: 0 18px;
    font-size: .74rem;
    border-bottom: 1px solid var(--border);
  }

  .main-nav a:first-child {
    padding-left: 18px;
  }

  .main-nav a:last-child {
    border-bottom: none;
  }

  .main-nav a.active {
    border-bottom-color: var(--border);
  }

  .main-nav .home-nav-link {
    width: auto;
    flex-direction: row;
    justify-content: flex-start;
    gap: 10px;
    line-height: 1.2;
  }

  .main-nav .home-nav-link svg {
    width: 18px;
    height: 18px;
  }

  .main-nav .home-nav-link .home-nav-short,
  .main-nav .home-nav-link .home-nav-mobile-label {
    font-size: .74rem;
    letter-spacing: .06em;
  }

  .main-nav .home-nav-link .home-nav-mobile-label {
    display: inline;
  }

  .theme-toggle {
    width: 46px;
  }
}

@media(max-width:480px) {
  .menu-toggle {
    width: 40px;
  }

  .main-nav a {
    min-height: 46px;
    font-size: .7rem;
    padding: 0 14px;
  }

  .main-nav a:first-child {
    padding-left: 14px;
  }
}

