/**
 * HeroCarousel — een paginavullende hero als filmstrook: kaarten delen één
 * bovenrand, de kaart in focus ontvouwt tot volle hoogte terwijl de buren op
 * de helft blijven geknipt, en de hele achtergrond kleurt mee met de foto in
 * focus. Wiel, slepen, klikken en pijltjestoetsen; optioneel autoplay.
 *
 * Geometrie is gemeten (ResizeObserver), elke maat is een verhouding van het
 * podium. Anders dan de bron: het ontvouwen is clip-path (verf) in plaats
 * van een height-animatie, de rail-marker schuift met x in plaats van left,
 * en maten gaan via CSS-variabelen. Losse eases → motion-tokens; de trage
 * zoom van de achtergrondfoto is ambient (6 s, lineair).
 * bg-black/text-white → --background/--foreground; accent default
 * --muted-foreground.
 */

"use client";

import { useCallback, useEffect, useRef, useState } from "react";
import type * as React from "react";
import { AnimatePresence, animate, motion, useMotionValue, useReducedMotion } from "framer-motion";
import { useSpringTransition } from "../../primitives/motion";
import { usePress } from "../../primitives/ui/press";

export interface HeroCarouselItem {
  id?: string | number;
  /** Regeleinden worden aparte onthul-regels. */
  title: string;
  image: string;
  credit?: string;
  meta?: string[];
  /** CSS-kleur waarnaar de achtergrond wordt gekleurd; default --muted-foreground. */
  accent?: string;
}

export interface HeroCarouselProps extends React.HTMLAttributes<HTMLDivElement> {
  items: readonly HeroCarouselItem[];
  index?: number;
  defaultIndex?: number;
  onIndexChange?: (index: number) => void;
  brand?: React.ReactNode;
  onBack?: () => void;
  onMenu?: () => void;
  autoplay?: boolean;
  autoplayDelay?: number;
  labels?: { back?: string; menu?: string; carousel?: string };
}

const CARD_H = 0.264, CARD_AR = 0.75, GAP = 0.038, STRIP_TOP = 0.5, TITLE = 0.067, LABEL = 0.0103, PAD = 0.017, RAIL = 0.2;
const WHEEL_THRESHOLD = 60, WHEEL_COOLDOWN = 420;
const GRAIN = "url(\"data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.82' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E\")";
const klem = (n: number, min: number, max: number) => Math.min(max, Math.max(min, n));

function TekstKnop({ children, onPress }: { children: React.ReactNode; onPress: () => void }) {
  const { pressed, pressProps } = usePress({ onPress });
  return <button {...pressProps} type="button" className="fp-hcar__knop" data-pressed={pressed ? "" : undefined}>{children}</button>;
}

export function HeroCarousel({ items, index: controlled, defaultIndex = 0, onIndexChange, brand, onBack, onMenu, autoplay = false, autoplayDelay = 4000, labels, className, style, ...rest }: HeroCarouselProps) {
  const t = { back: "Terug", menu: "Menu", carousel: "Uitgelicht", ...labels };
  const stage = useRef<HTMLDivElement>(null);
  const [box, setBox] = useState({ w: 0, h: 0 });
  const [eigen, setEigen] = useState(defaultIndex);
  const [dragging, setDragging] = useState(false);
  const [paused, setPaused] = useState(false);
  const reduced = useReducedMotion() ?? false;
  const smooth = useSpringTransition("smooth", { mass: "system" });
  const fade = useSpringTransition("default", { mass: "content" });

  const last = items.length - 1;
  const index = klem(controlled ?? eigen, 0, Math.max(0, last));
  const go = useCallback((next: number) => {
    const c = klem(next, 0, Math.max(0, last));
    if (controlled === undefined) setEigen(c);
    if (c !== index) onIndexChange?.(c);
  }, [controlled, index, last, onIndexChange]);

  useEffect(() => {
    const el = stage.current;
    if (!el) return;
    const lees = () => setBox({ w: el.clientWidth, h: el.clientHeight });
    lees();
    const ro = new ResizeObserver(lees);
    ro.observe(el);
    return () => ro.disconnect();
  }, []);

  const fullH = klem(box.h * CARD_H, 96, 360);
  const cardW = fullH * CARD_AR;
  const gap = Math.max(4, Math.round(cardW * GAP));
  const step = cardW + gap;
  const pad = Math.max(16, Math.round(box.w * PAD));
  const label = Math.max(9, Math.round(box.h * LABEL));
  const xFor = useCallback((i: number) => box.w / 2 - (i * step + cardW / 2), [box.w, step, cardW]);
  const x = useMotionValue(0);
  const target = xFor(index);

  useEffect(() => {
    if (dragging) return;
    const run = animate(x, target, reduced ? { duration: 0 } : smooth);
    return () => run.stop();
  }, [target, dragging, reduced, x]); // eslint-disable-line react-hooks/exhaustive-deps

  useEffect(() => {
    const el = stage.current;
    if (!el) return;
    let acc = 0, until = 0;
    const onWheel = (e: WheelEvent) => {
      const delta = Math.abs(e.deltaX) > Math.abs(e.deltaY) ? e.deltaX : e.deltaY;
      const vast = (delta > 0 && index === last) || (delta < 0 && index === 0);
      if (vast) { acc = 0; return; }
      e.preventDefault();
      if (e.timeStamp < until) return;
      acc += delta;
      if (Math.abs(acc) < WHEEL_THRESHOLD) return;
      go(index + Math.sign(acc));
      acc = 0;
      until = e.timeStamp + WHEEL_COOLDOWN;
    };
    el.addEventListener("wheel", onWheel, { passive: false });
    return () => el.removeEventListener("wheel", onWheel);
  }, [go, index, last]);

  useEffect(() => {
    if (!autoplay || paused || dragging || items.length < 2) return;
    const id = window.setTimeout(() => go(index === last ? 0 : index + 1), autoplayDelay);
    return () => window.clearTimeout(id);
  }, [autoplay, autoplayDelay, dragging, go, index, items.length, last, paused]);

  const actief = items[index];
  if (!actief) return null;
  const regels = actief.title.split("\n");

  const vars = {
    ["--fp-hcar-kaart-w" as string]: `${cardW}px`,
    ["--fp-hcar-kaart-h" as string]: `${fullH}px`,
    ["--fp-hcar-gap" as string]: `${gap}px`,
    ["--fp-hcar-pad" as string]: `${pad}px`,
    ["--fp-hcar-label" as string]: `${label}px`,
    ["--fp-hcar-titel" as string]: `${Math.max(24, Math.round(box.h * TITLE))}px`,
    ["--fp-hcar-strook-top" as string]: `${STRIP_TOP * 100}%`,
    ["--fp-hcar-rail" as string]: `${box.w * RAIL}px`,
    ["--fp-hcar-accent" as string]: actief.accent ?? "var(--muted-foreground)",
    ["--fp-hcar-top" as string]: `${Math.max(16, box.h * 0.029)}px`,
    ["--fp-hcar-onder" as string]: `${Math.max(14, box.h * 0.022)}px`,
  } as React.CSSProperties;

  return (
    <div
      {...rest}
      ref={stage}
      tabIndex={0}
      role="group"
      aria-roledescription="carousel"
      aria-label={t.carousel}
      className={["fp-hcar", className].filter(Boolean).join(" ")}
      style={{ ...style, ...vars }}
      onKeyDown={(e) => {
        const keys: Record<string, number> = { ArrowLeft: index - 1, ArrowRight: index + 1, Home: 0, End: last };
        if (!(e.key in keys)) return;
        e.preventDefault();
        go(keys[e.key]!);
      }}
      onPointerEnter={() => setPaused(true)}
      onPointerLeave={() => setPaused(false)}
      onFocus={() => setPaused(true)}
      onBlur={() => setPaused(false)}
    >
      <AnimatePresence initial={false}>
        <motion.div key={index} className="fp-hcar__achter" initial={{ opacity: 0 }} animate={{ opacity: 1 }} exit={{ opacity: 0 }} transition={smooth}>
          {/* eslint-disable-next-line @next/next/no-img-element */}
          <motion.img src={actief.image} alt="" aria-hidden="true" draggable={false} className="fp-hcar__achter-foto" initial={{ scale: reduced ? 1.28 : 1.42 }} animate={{ scale: 1.28 }} transition={reduced ? { duration: 0 } : { duration: 6, ease: "linear" }} />
          <span className="fp-hcar__tint fp-hcar__tint--kleur" />
          <span className="fp-hcar__tint fp-hcar__tint--donker" />
        </motion.div>
      </AnimatePresence>
      <span aria-hidden="true" className="fp-hcar__was" />
      <span aria-hidden="true" className="fp-hcar__korrel" style={{ backgroundImage: GRAIN }} />

      <div className="fp-hcar__balk">
        {onBack && <TekstKnop onPress={onBack}><span aria-hidden="true">↖</span> {t.back}</TekstKnop>}
        {brand && <span className="fp-hcar__merk">{brand}</span>}
        {onMenu && <TekstKnop onPress={onMenu}>{t.menu} <span aria-hidden="true">☰</span></TekstKnop>}
      </div>

      <div className="fp-hcar__kop">
        <div className="fp-hcar__kop-rij">
          <AnimatePresence mode="popLayout" initial={false}>
            <motion.h2 key={index} className="fp-hcar__titel" initial={{ opacity: 0 }} animate={{ opacity: 1 }} exit={{ opacity: 0, transition: { duration: 0.18 } }}>
              {regels.map((regel, i) => (
                <span key={i} className="fp-hcar__regel">
                  <motion.span className="fp-hcar__regel-tekst" initial={{ y: "110%" }} animate={{ y: 0 }} transition={reduced ? { duration: 0 } : { ...smooth, delay: i * 0.07 }}>{regel}</motion.span>
                </span>
              ))}
            </motion.h2>
          </AnimatePresence>
          {actief.credit && <motion.p key={`c-${index}`} className="fp-hcar__credit" initial={{ opacity: 0 }} animate={{ opacity: 0.8 }} transition={{ ...fade, delay: 0.1 }}>{actief.credit}</motion.p>}
          {actief.meta?.length ? (
            <div className="fp-hcar__feiten">
              {actief.meta.map((f, i) => (
                <motion.span key={`${index}-${f}`} className="fp-hcar__feit" initial={{ opacity: 0, y: 6 }} animate={{ opacity: 0.8, y: 0 }} transition={reduced ? { duration: 0 } : { ...fade, delay: 0.12 + i * 0.06 }}>{f}</motion.span>
              ))}
            </div>
          ) : null}
        </div>
      </div>

      <div className="fp-hcar__strook">
        <motion.div
          className="fp-hcar__spoor"
          style={{ x }}
          data-slepen={dragging ? "" : undefined}
          drag="x"
          dragMomentum={false}
          dragElastic={0.08}
          dragConstraints={{ left: xFor(last), right: xFor(0) }}
          onDragStart={() => setDragging(true)}
          onDragEnd={(_, info) => {
            setDragging(false);
            const gegooid = x.get() + info.velocity.x * 0.12;
            go(Math.round((box.w / 2 - gegooid - cardW / 2) / step));
          }}
        >
          {items.map((item, i) => (
            <motion.button
              key={item.id ?? i}
              type="button"
              aria-label={item.title.replace(/\n/g, " ")}
              aria-current={i === index}
              onClick={() => go(i)}
              className="fp-hcar__kaart"
              initial={false}
              animate={{ clipPath: i === index ? "inset(0% 0% 0% 0%)" : "inset(0% 0% 50% 0%)" }}
              transition={reduced ? { duration: 0 } : smooth}
            >
              {/* eslint-disable-next-line @next/next/no-img-element */}
              <img src={item.image} alt="" draggable={false} className="fp-hcar__kaart-foto" />
              <motion.span aria-hidden="true" className="fp-hcar__kaart-schaduw" animate={{ opacity: i === index ? 0 : 0.12 }} transition={smooth} />
            </motion.button>
          ))}
        </motion.div>
      </div>

      <div className="fp-hcar__rail">
        <div className="fp-hcar__rail-cijfers"><span>{String(index + 1).padStart(2, "0")}</span><span>{String(items.length).padStart(2, "0")}</span></div>
        <div className="fp-hcar__rail-lijn" style={{ ["--fp-hcar-n" as string]: items.length } as React.CSSProperties}>
          <motion.span className="fp-hcar__rail-marker" animate={{ x: `${index * 100}%` }} transition={reduced ? { duration: 0 } : smooth} />
        </div>
      </div>
    </div>
  );
}

/**
 * Hero-blocks: dither-hero, spotlight-hero, hero-carousel, coverflow-carousel.
 * Importeren in de app-root (de registry-site doet dat in app/globals.css).
 */

/* ── DitherHero ─────────────────────────────────────────────────────────── */

.fp-dither {
  position: relative; overflow: hidden;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  width: 100%; padding: 3rem 1.5rem;
  background: var(--card); color: var(--card-foreground, var(--foreground));
  border: 1px solid var(--border); border-radius: calc(var(--radius) * 6);
}
/* Het raster: stippen in de merkkleur, alleen zichtbaar binnen de drijvende vlek (mask). */
.fp-dither__vlek {
  position: absolute; inset: 0; pointer-events: none;
  color: var(--primary); background-color: var(--primary);
  background-size: 4px 4px; background-blend-mode: normal;
  opacity: 0.4;
  -webkit-mask-repeat: no-repeat; mask-repeat: no-repeat;
}
.fp-dither__inhoud { position: relative; z-index: 1; display: flex; flex-direction: column; align-items: center; max-width: 56rem; text-align: center; }
.fp-dither__label {
  display: inline-flex; align-items: center; gap: 0.5rem; margin-bottom: 2rem;
  padding: 0.375rem 1rem; font-size: 0.875rem; font-weight: 500; color: var(--primary);
  background: color-mix(in srgb, var(--primary) 5%, transparent); border: 1px solid color-mix(in srgb, var(--primary) 10%, transparent); border-radius: 999px;
  -webkit-backdrop-filter: blur(4px); backdrop-filter: blur(4px);
}
.fp-dither__stip-vak { position: relative; display: inline-flex; width: 0.5rem; height: 0.5rem; }
.fp-dither__ping, .fp-dither__stip { position: absolute; inset: 0; border-radius: 50%; background: var(--primary); }
.fp-dither__titel { margin: 0 0 2rem; font: inherit; font-weight: 500; font-size: clamp(2.5rem, 7vw, 5.5rem); line-height: 1.05; letter-spacing: -0.02em; }
.fp-dither__tekst { margin: 0 0 3rem; max-width: 42rem; font-size: clamp(1rem, 1.5vw, 1.25rem); line-height: 1.6; color: var(--muted-foreground); }
.fp-dither__actie { display: inline-flex; }

/* ── SpotlightHero ──────────────────────────────────────────────────────── */

.fp-spot {
  position: relative; overflow: hidden;
  display: flex; width: 100%;
  background: color-mix(in srgb, var(--background) 96%, var(--foreground)); color: var(--foreground);
  border: 1px solid var(--border); border-radius: var(--radius);
}
.fp-spot__licht {
  position: absolute; left: 0; top: 0; pointer-events: none;
  width: var(--fp-spot-maat); height: var(--fp-spot-maat); border-radius: 50%;
  background: radial-gradient(circle at center, color-mix(in srgb, var(--foreground) 45%, transparent), color-mix(in srgb, var(--foreground) 15%, transparent) 40%, transparent 80%);
  filter: blur(24px);
}
.fp-spot__tekst { position: relative; z-index: 1; flex: 1; display: flex; flex-direction: column; justify-content: center; padding: 2rem; }
.fp-spot__titel { margin: 0; font: inherit; font-weight: 700; font-size: clamp(2rem, 4vw, 3rem); line-height: 1.1; letter-spacing: -0.02em; }
.fp-spot__sub { margin: 1rem 0 0; max-width: 32rem; color: var(--muted-foreground); }
.fp-spot__actie { margin-top: 1.5rem; display: flex; }
.fp-spot__scene { position: relative; flex: 1; min-width: 0; }
@media (max-width: 640px) { .fp-spot { flex-direction: column; } .fp-spot__scene { min-height: 14rem; } }

/* ── HeroCarousel ───────────────────────────────────────────────────────── */

.fp-hcar {
  position: relative; overflow: hidden; width: 100%; height: 100%; min-height: 24rem;
  background: var(--background); color: var(--foreground); user-select: none; outline: none;
}
.fp-hcar:focus-visible { box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--foreground) 40%, transparent); }
.fp-hcar__achter { position: absolute; inset: 0; }
.fp-hcar__achter-foto { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
/* Luminantie van de foto, tint van het accent. */
.fp-hcar__tint { position: absolute; inset: 0; background: var(--fp-hcar-accent); }
.fp-hcar__tint--kleur { mix-blend-mode: color; }
.fp-hcar__tint--donker { mix-blend-mode: multiply; opacity: 0.55; }
.fp-hcar__was { position: absolute; inset: 0; background: linear-gradient(to bottom, color-mix(in srgb, var(--background) 40%, transparent), transparent 40%, transparent 60%, color-mix(in srgb, var(--background) 45%, transparent)); }
.fp-hcar__korrel { position: absolute; inset: 0; pointer-events: none; opacity: 0.22; mix-blend-mode: overlay; background-size: 180px 180px; }

.fp-hcar__balk { position: absolute; inset: var(--fp-hcar-top) 0 auto 0; display: flex; align-items: center; justify-content: center; gap: clamp(1.25rem, 6vw, 4rem); font-size: calc(var(--fp-hcar-label) * 1.15); }
.fp-hcar__knop { appearance: none; border: 0; background: transparent; padding: 0; cursor: pointer; font: inherit; font-size: inherit; color: inherit; opacity: 0.9; transition: opacity var(--motion-instant-duration) var(--motion-instant), transform var(--motion-instant-duration) var(--motion-instant); }
.fp-hcar__knop:hover { opacity: 1; }
.fp-hcar__knop[data-pressed] { transform: scale(0.96); }
.fp-hcar__merk { font-weight: 600; letter-spacing: 0.06em; font-size: calc(var(--fp-hcar-label) * 1.35); }

.fp-hcar__kop { position: absolute; inset: 0 0 auto 0; height: var(--fp-hcar-strook-top); display: flex; flex-direction: column; justify-content: flex-end; padding: 0 var(--fp-hcar-pad) 1.75%; }
.fp-hcar__kop-rij { display: flex; flex-wrap: wrap; align-items: flex-end; gap: 0.5rem 6vw; width: 100%; }
.fp-hcar__titel { margin: 0; font: inherit; font-weight: 600; font-size: var(--fp-hcar-titel); line-height: 0.88; letter-spacing: -0.03em; }
.fp-hcar__regel { display: block; overflow: hidden; }
.fp-hcar__regel-tekst { display: block; }
.fp-hcar__credit { margin: 0; font-size: var(--fp-hcar-label); text-transform: uppercase; letter-spacing: 0.14em; font-variant-numeric: tabular-nums; }
.fp-hcar__feiten { margin-left: auto; display: flex; align-items: flex-end; gap: clamp(1rem, 5.5vw, 4rem); }
.fp-hcar__feit { font-size: var(--fp-hcar-label); text-transform: uppercase; letter-spacing: 0.14em; white-space: nowrap; font-variant-numeric: tabular-nums; }

.fp-hcar__strook { position: absolute; inset: var(--fp-hcar-strook-top) 0 auto 0; height: var(--fp-hcar-kaart-h); }
.fp-hcar__spoor { display: flex; align-items: flex-start; gap: var(--fp-hcar-gap); cursor: grab; }
.fp-hcar__spoor[data-slepen] { cursor: grabbing; }
.fp-hcar__kaart {
  position: relative; flex-shrink: 0; overflow: hidden;
  width: var(--fp-hcar-kaart-w); height: var(--fp-hcar-kaart-h);
  appearance: none; border: 0; padding: 0; cursor: pointer;
  background: color-mix(in srgb, var(--foreground) 5%, transparent);
}
.fp-hcar__kaart:focus-visible { outline: 2px solid var(--ring, var(--info)); outline-offset: 2px; }
/* De halve kaart toont het bovenste deel; het beeld staat iets boven het midden zodat een gezicht blijft. */
.fp-hcar__kaart-foto { width: 100%; height: 100%; object-fit: cover; object-position: 50% 26%; }
.fp-hcar__kaart-schaduw { position: absolute; inset: 0; background: var(--background); }

.fp-hcar__rail { position: absolute; left: var(--fp-hcar-pad); bottom: var(--fp-hcar-onder); width: var(--fp-hcar-rail); }
.fp-hcar__rail-cijfers { display: flex; justify-content: space-between; font-size: var(--fp-hcar-label); font-variant-numeric: tabular-nums; opacity: 0.8; }
.fp-hcar__rail-lijn { position: relative; margin-top: 0.5rem; height: 1px; width: 100%; background: color-mix(in srgb, var(--foreground) 25%, transparent); }
.fp-hcar__rail-marker { position: absolute; inset: 0 auto 0 0; width: calc(100% / var(--fp-hcar-n, 1)); background: var(--foreground); }

/* ── CoverflowCarousel ──────────────────────────────────────────────────── */

.fp-cover {
  --fp-cover-h: calc(var(--fp-cover-w) * 1.515);
  position: relative; overflow: hidden; user-select: none; outline: none;
  display: flex; align-items: center; justify-content: center;
  width: 100%; min-height: calc(var(--fp-cover-h) + 15rem); padding: 3rem 0;
  background: var(--background); color: var(--foreground);
}
.fp-cover:focus-visible { box-shadow: inset 0 0 0 2px var(--ring, var(--info)); }
.fp-cover__achter { position: absolute; inset: 0; overflow: hidden; pointer-events: none; }
.fp-cover__achter-foto { width: 100%; height: 100%; object-fit: cover; filter: brightness(0.22) blur(32px); transform: scale(1.15); }
.fp-cover__achter-was { position: absolute; inset: 0; background: radial-gradient(circle at center, color-mix(in srgb, var(--background) 30%, transparent), color-mix(in srgb, var(--background) 92%, transparent)); }
.fp-cover__inhoud { position: relative; z-index: 1; display: flex; flex-direction: column; align-items: center; width: 100%; max-width: 72rem; padding: 0 1rem; }
.fp-cover__eyebrow { display: flex; align-items: center; gap: 0.75rem; margin-bottom: 2rem; }
.fp-cover__eyebrow-tekst { margin: 0; font: inherit; font-size: 0.75rem; font-weight: 700; letter-spacing: 0.3em; text-transform: uppercase; color: var(--primary); }
.fp-cover__lijn { width: 2.25rem; height: 1px; background: linear-gradient(90deg, transparent, var(--primary)); }
.fp-cover__lijn--rechts { background: linear-gradient(90deg, var(--primary), transparent); }
.fp-cover__podium { position: relative; display: flex; align-items: center; justify-content: center; width: 100%; height: var(--fp-cover-h); margin-bottom: 2rem; perspective: 1400px; }
.fp-cover__kaart {
  position: absolute; overflow: hidden;
  width: var(--fp-cover-w); height: var(--fp-cover-h);
  border-radius: calc(var(--radius) * 2);
  background: var(--card); border: 1px solid color-mix(in srgb, var(--foreground) 12%, transparent);
  transform-origin: center center; cursor: pointer;
  box-shadow: 0 15px 35px color-mix(in srgb, var(--background) 50%, transparent);
  transition:
    transform var(--motion-smooth-duration) var(--motion-smooth),
    opacity var(--motion-smooth-duration) var(--motion-smooth),
    filter var(--motion-smooth-duration) var(--motion-smooth),
    box-shadow var(--motion-smooth-duration) var(--motion-smooth);
}
.fp-cover__kaart[data-positie="weg"] { transform: scale(0.4); opacity: 0; z-index: 0; filter: brightness(0.4) blur(2px); pointer-events: none; }
.fp-cover__kaart[data-positie="midden"] { transform: none; opacity: 1; z-index: 30; filter: none; cursor: default; box-shadow: 0 25px 60px color-mix(in srgb, var(--background) 90%, transparent), 0 0 35px color-mix(in srgb, var(--primary) 25%, transparent); }
.fp-cover__kaart[data-positie="r1"] { transform: translateX(calc(var(--fp-cover-w) * 0.86)) scale(0.84) rotateY(-24deg); opacity: 0.65; z-index: 20; filter: brightness(0.75); }
.fp-cover__kaart[data-positie="r2"] { transform: translateX(calc(var(--fp-cover-w) * 1.55)) scale(0.68) rotateY(-38deg); opacity: 0.38; z-index: 10; filter: brightness(0.55) blur(1px); }
.fp-cover__kaart[data-positie="l1"] { transform: translateX(calc(var(--fp-cover-w) * -0.86)) scale(0.84) rotateY(24deg); opacity: 0.65; z-index: 20; filter: brightness(0.75); }
.fp-cover__kaart[data-positie="l2"] { transform: translateX(calc(var(--fp-cover-w) * -1.55)) scale(0.68) rotateY(38deg); opacity: 0.38; z-index: 10; filter: brightness(0.55) blur(1px); }
.fp-cover__foto { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.fp-cover__vignet { position: absolute; inset: 0; pointer-events: none; z-index: 1; background: linear-gradient(180deg, color-mix(in srgb, var(--background) 40%, transparent) 0%, color-mix(in srgb, var(--background) 10%, transparent) 25%, color-mix(in srgb, var(--background) 68%, transparent) 60%, color-mix(in srgb, var(--background) 96%, transparent) 100%); }
.fp-cover__tekst {
  position: relative; z-index: 2; display: flex; flex-direction: column; justify-content: space-between;
  width: 100%; height: 100%; padding: 1.25rem 1.125rem 1.375rem; text-align: center;
  opacity: 0; transform: translateY(16px); pointer-events: none;
  transition: opacity var(--motion-smooth-duration) var(--motion-smooth), transform var(--motion-smooth-duration) var(--motion-smooth);
}
.fp-cover__kaart[data-positie="midden"] .fp-cover__tekst { opacity: 1; transform: none; pointer-events: auto; }
.fp-cover__tag { align-self: flex-end; font-size: 0.78rem; font-weight: 600; letter-spacing: 0.06em; text-shadow: 0 2px 6px color-mix(in srgb, var(--background) 80%, transparent); }
.fp-cover__onder { display: flex; flex-direction: column; align-items: center; gap: 0.1875rem; margin-top: auto; }
.fp-cover__titel { margin: 0; font: inherit; font-size: 1.65rem; font-weight: 900; text-transform: uppercase; letter-spacing: 0.04em; line-height: 1.1; text-shadow: 0 3px 12px color-mix(in srgb, var(--background) 95%, transparent); }
.fp-cover__sub { font-size: 1.1rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; line-height: 1.2; text-shadow: 0 3px 10px color-mix(in srgb, var(--background) 90%, transparent); }
.fp-cover__streep { width: 2.125rem; height: 2px; margin: 0.3125rem auto 0.25rem; border-radius: 999px; background: var(--primary); box-shadow: 0 0 8px color-mix(in srgb, var(--primary) 70%, transparent); }
.fp-cover__omschrijving { margin: 0 0 0.625rem; max-width: 17.5rem; font-size: 0.82rem; font-style: italic; line-height: 1.3; text-shadow: 0 2px 8px color-mix(in srgb, var(--background) 90%, transparent); }
.fp-cover__cta {
  display: inline-flex; align-items: center; gap: 0.375rem; padding: 0.4375rem 1.125rem;
  appearance: none; border: 0; cursor: pointer; text-decoration: none;
  font: inherit; font-size: 0.72rem; font-weight: 800; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--primary-foreground); background: linear-gradient(135deg, var(--primary), color-mix(in srgb, var(--primary) 80%, var(--background)));
  border-radius: 999px; box-shadow: 0 4px 14px color-mix(in srgb, var(--background) 40%, transparent), 0 0 15px color-mix(in srgb, var(--primary) 30%, transparent);
  transition: transform var(--motion-instant-duration) var(--motion-instant);
}
.fp-cover__cta:hover { transform: translateY(-1px); }
.fp-cover__cta[data-pressed] { transform: scale(0.97); }
.fp-cover__pijl {
  position: absolute; top: 50%; transform: translateY(-50%); z-index: 40;
  display: flex; align-items: center; justify-content: center; width: 2.875rem; height: 2.875rem;
  appearance: none; cursor: pointer; border-radius: 50%;
  color: var(--foreground); background: color-mix(in srgb, var(--background) 55%, transparent);
  border: 1px solid color-mix(in srgb, var(--foreground) 20%, transparent);
  -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px);
  box-shadow: var(--shadow-overlay);
  transition: background-color var(--motion-instant-duration) var(--motion-instant), transform var(--motion-instant-duration) var(--motion-instant);
}
.fp-cover__pijl--links { left: 1.5rem; }
.fp-cover__pijl--rechts { right: 1.5rem; }
.fp-cover__pijl:hover { background: color-mix(in srgb, var(--background) 75%, transparent); }
.fp-cover__pijl[data-pressed] { transform: translateY(-50%) scale(0.94); }
.fp-cover__pijl:focus-visible { outline: 2px solid var(--ring, var(--info)); outline-offset: 2px; }
.fp-cover__stippen { display: flex; align-items: center; justify-content: center; gap: 1.375rem; }
.fp-cover__stip {
  appearance: none; border: 0; cursor: pointer; padding: 0;
  width: 0.5rem; height: 0.5rem; border-radius: 999px;
  background: color-mix(in srgb, var(--foreground) 25%, transparent);
  transform-origin: center;
  transition: transform var(--motion-default-duration) var(--motion-default), background-color var(--motion-default-duration) var(--motion-default);
}
/* De actieve stip rekt uit via schaal — niet via breedte. */
.fp-cover__stip[aria-current] { background: var(--primary); transform: scaleX(3.5); box-shadow: 0 0 10px color-mix(in srgb, var(--primary) 70%, transparent); }
.fp-cover__stip:focus-visible { outline: 2px solid var(--ring, var(--info)); outline-offset: 3px; }