/* ════════════════════════════════════════════════════════════════════
   Kenzai v2 — subtiele 3D- & ambient-effecten
   Variant C — kaart-tilt + gouden glans (interactie, hover-apparaten)
   Variant G — dwalende gouden gloed (ambient, hero + page-headers)
   Variant I — zwevende goudstofjes (ambient, donkergroene CTA-banners)
   Gedrag: uit bij prefers-reduced-motion; tilt alleen op hover-apparaten.
   Geladen door assets/js/effects-3d.js (injecteert de benodigde nodes).
   ════════════════════════════════════════════════════════════════════ */

/* ── Variant C — kaart-tilt + glans ──────────────────────────────── */
@media (hover: hover) and (prefers-reduced-motion: no-preference) {
  /* GEEN transform-style:preserve-3d of permanente will-change hier: die
     zetten elke kaart in een eigen 3D-/composietlaag óver de tekst, waardoor
     de editor de kaarttekst niet meer kan aanklikken om te bewerken. De tilt
     zelf werkt prima zonder — de 3D zit al in de inline perspective(). */
  .fx-tilt {
    position: relative;
    transition: transform 0.18s ease-out, box-shadow 0.18s ease-out;
  }
  /* Crispe 2D-lift i.p.v. 3D-tilt: een integer translateY blijft scherp,
     terwijl een perspective/rotate de tekst in een texture zou resamplen
     (= de onscherpe hover-tekst die we hier verhelpen). */
  .fx-tilt:hover { transform: translateY(-4px); box-shadow: 0 18px 34px rgba(11, 42, 35, 0.13); }
  /* Glans als pseudo-element (géén echte <span>): zo staat er geen extra
     node óver de kaart die in de editor je tekstselectie in de weg zit. */
  .fx-tilt::after {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: inherit;
    pointer-events: none;
    background: radial-gradient(420px circle at var(--fx-mx, 50%) var(--fx-my, 50%), rgba(214, 160, 36, 0.08), transparent 45%);
    opacity: 0;
    transition: opacity 0.2s;
    z-index: 1;
  }
  .fx-tilt:hover::after { opacity: 1; }
}

/* ── Variant G — dwalende gouden gloed ───────────────────────────── */
.fx-glow {
  position: absolute;
  top: -120px;
  left: 8%;
  width: 520px;
  height: 520px;
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
  background: radial-gradient(circle, rgba(214, 160, 36, 0.13) 0%, rgba(214, 160, 36, 0.045) 45%, transparent 70%);
  filter: blur(2px);
}
@media (prefers-reduced-motion: no-preference) {
  .fx-glow { animation: fx-glow-drift 30s ease-in-out infinite; will-change: transform; }
}
@keyframes fx-glow-drift {
  0%   { transform: translate(0, 0) scale(1); }
  33%  { transform: translate(180px, 60px) scale(1.12); }
  66%  { transform: translate(40px, 140px) scale(0.94); }
  100% { transform: translate(0, 0) scale(1); }
}
@media (max-width: 700px) { .fx-glow { width: 340px; height: 340px; top: -80px; } }

/* ── Variant I — zwevende goudstofjes ────────────────────────────── */
.fx-dust-host { position: relative; overflow: hidden; }
.fx-dust {
  position: absolute;
  bottom: -8px;
  border-radius: 50%;
  background: var(--kz-gold-500, #E3B53E);
  opacity: 0;
  pointer-events: none;
  animation: fx-dust-rise linear infinite;
  will-change: transform, opacity;
}
@keyframes fx-dust-rise {
  0%   { transform: translateY(0) translateX(0); opacity: 0; }
  12%  { opacity: var(--fx-o, 0.4); }
  80%  { opacity: var(--fx-o, 0.4); }
  100% { transform: translateY(-320px) translateX(var(--fx-dx, 0px)); opacity: 0; }
}
@media (prefers-reduced-motion: reduce) { .fx-dust { display: none; } }

/* ── Hero-groeimodel — opstart-belichting (onder → boven) + hover-motion ──
   Scope: alleen de hero-stack (.growth--hero). Subtiel: lichte lift + gouden ring. */
.growth--hero .gstep,
.growth--hero .ai-bar {
  position: relative;
  transition: transform 0.32s cubic-bezier(0.22, 1, 0.36, 1);
}
.growth--hero .gstep::after,
.growth--hero .ai-bar::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.32s ease;
  box-shadow: 0 0 0 2px rgba(214, 160, 36, 0.55), 0 14px 30px rgba(214, 160, 36, 0.22);
}
@media (hover: hover) {
  .growth--hero .gstep:hover,
  .growth--hero .ai-bar:hover { transform: translateY(-3px); }
  .growth--hero .gstep:hover::after,
  .growth--hero .ai-bar:hover::after { opacity: 1; }
  .growth--hero .kanaal {
    transition: transform 0.25s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.25s ease;
  }
  .growth--hero .kanaal:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 18px rgba(214, 160, 36, 0.2);
  }
}
/* Eenmalige opstart-puls; speelt af zodra .is-lit erop staat (JS zet de volgorde). */
@media (prefers-reduced-motion: no-preference) {
  .growth--hero.is-lit .gstep,
  .growth--hero.is-lit .ai-bar {
    animation: kz-lift-pulse 1s cubic-bezier(0.22, 1, 0.36, 1);
    animation-delay: var(--lit-delay, 0ms);
  }
  .growth--hero.is-lit .gstep::after,
  .growth--hero.is-lit .ai-bar::after {
    animation: kz-glow-pulse 1s ease;
    animation-delay: var(--lit-delay, 0ms);
  }
  /* De cijferbadges 1·2·3 lichten in dezelfde volgorde prominent goud op. */
  .growth--hero.is-lit .gnum {
    animation: kz-num-glow 1.05s cubic-bezier(0.4, 0, 0.2, 1);
    animation-delay: var(--lit-delay, 0ms);
  }
}
@keyframes kz-lift-pulse { 0%, 100% { transform: none; } 35% { transform: translateY(-5px); } }
@keyframes kz-glow-pulse { 0%, 100% { opacity: 0; } 35% { opacity: 1; } }
@keyframes kz-num-glow {
  0%, 100% { box-shadow: 0 4px 12px rgba(11, 42, 35, 0.24), 0 0 0 4px rgba(214, 160, 36, 0.16); transform: scale(1); }
  32%      { box-shadow: 0 6px 18px rgba(214, 160, 36, 0.5), 0 0 26px 8px rgba(214, 160, 36, 0.62), 0 0 0 5px rgba(214, 160, 36, 0.42); transform: scale(1.2); }
}

/* ── K-watermerk — gouden gloed-veeg per vlak (éénmalig bij in-beeld) ──
   De <img> K wordt door JS vervangen door inline-SVG met 4 vlakken. */
.cta-banner__k--svg { opacity: 1; }
.cta-banner__k--svg polygon { fill: rgba(214, 160, 36, 0.06); }
@media (prefers-reduced-motion: no-preference) {
  .cta-banner__k--svg.k-sweep polygon { animation: kz-k-glow 1.15s cubic-bezier(0.4, 0, 0.2, 1); }
  .cta-banner__k--svg.k-sweep polygon:nth-child(4) { animation-delay: 0ms; }
  .cta-banner__k--svg.k-sweep polygon:nth-child(1) { animation-delay: 160ms; }
  .cta-banner__k--svg.k-sweep polygon:nth-child(2) { animation-delay: 320ms; }
  .cta-banner__k--svg.k-sweep polygon:nth-child(3) { animation-delay: 480ms; }
}
@keyframes kz-k-glow {
  0%   { fill: rgba(214, 160, 36, 0.06); filter: none; }
  30%  { fill: rgba(224, 176, 60, 0.5); filter: drop-shadow(0 0 6px rgba(214, 160, 36, 0.38)); }
  100% { fill: rgba(214, 160, 36, 0.06); filter: none; }
}