/* ============================================================
   APEX DETAILING — hero.css
   Hero Section: "Pure Reveal" (A1) — Fullscreen Before/After
   ============================================================ */

.hero {
  position: relative;
  width: 100%;
  height: 56vh;
  min-height: 420px;
  max-height: 640px;
  overflow: hidden;
  background: var(--color-bg-deep);
  isolation: isolate;
}

/* ---------- SLIDER STAGE ---------- */
.hero__slider {
  position: absolute;
  inset: 0;
  --reveal: 50%;
  cursor: ew-resize;
  user-select: none;
  -webkit-user-select: none;
  touch-action: pan-y;
}

.hero__media {
  position: absolute;
  inset: 0;
  margin: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  user-select: none;
  -webkit-user-drag: none;
  pointer-events: none;
}

/* "After" + "Before" sind zwei separate Fotos desselben Fahrzeugs
   (Vorher = clean + Schmutz-Layer in den Pixeln, statisch erzeugt).
   "Before" wird per clip-path beschnitten und liegt darueber. */
.hero__media--after { z-index: var(--z-base); }
.hero__media--before {
  z-index: 2;
  clip-path: polygon(0 0, var(--reveal) 0, var(--reveal) 100%, 0 100%);
  will-change: clip-path;
}

/* Labels Vorher / Nachher */
.hero__label {
  position: absolute;
  top: max(8.5rem, 18vh);
  padding: 0.35rem 0.85rem;
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-text-primary);
  background: var(--color-bg-glass-strong);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border: var(--border-glass);
  border-radius: 999px;
  z-index: 4;
  pointer-events: none;
}
.hero__label--before { left: var(--container-pad); }
.hero__label--after  { right: var(--container-pad); color: var(--color-accent-soft); }

/* Vignette für mehr Tiefe & bessere Textlesbarkeit */
.hero__vignette {
  position: absolute;
  inset: 0;
  z-index: 5;
  pointer-events: none;
  background:
    radial-gradient(ellipse at center, transparent 35%, rgba(0,0,0,0.55) 100%),
    linear-gradient(to top, rgba(0,0,0,0.65) 0%, transparent 40%);
}

/* ---------- DRAG HANDLE ---------- */
.hero__handle {
  position: absolute;
  top: 0;
  bottom: 0;
  left: var(--reveal);
  width: 56px;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--z-handle);
  cursor: ew-resize;
  touch-action: none;
  background: transparent;
  padding: 0;
}

.hero__handle-line {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 2px;
  transform: translateX(-50%);
  background: linear-gradient(
    to bottom,
    transparent 0%,
    rgba(255,255,255,0.85) 15%,
    var(--color-accent-soft) 50%,
    rgba(255,255,255,0.85) 85%,
    transparent 100%
  );
  box-shadow:
    0 0 14px var(--color-accent-glow),
    0 0 36px var(--color-accent-glow);
}

.hero__handle-grip {
  position: relative;
  display: grid;
  place-items: center;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--color-bg-glass-strong);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: var(--color-text-primary);
  box-shadow:
    0 0 0 1px rgba(30, 144, 255, 0.3) inset,
    0 0 22px var(--color-accent-glow),
    var(--shadow-elevated);
  transition: transform var(--duration-fast) var(--ease-out), box-shadow var(--duration-fast) var(--ease-out);
}

.hero__handle:hover .hero__handle-grip,
.hero__handle:focus-visible .hero__handle-grip {
  transform: scale(1.08);
  box-shadow:
    0 0 0 1px rgba(30, 144, 255, 0.5) inset,
    0 0 32px var(--color-accent-glow),
    var(--shadow-elevated);
}

.hero__handle:focus-visible { outline: none; }

/* (Hero-Overlay komplett entfernt - Text steht jetzt in .intro Sektion darunter) */

/* ---------- SCROLL HINT ---------- */
.hero__scroll {
  position: absolute;
  right: var(--container-pad);
  bottom: clamp(2rem, 5vh, 4rem);
  z-index: var(--z-overlay);
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 0.65rem;
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  transition: color var(--duration-fast) var(--ease-smooth);
}
.hero__scroll:hover { color: var(--color-text-primary); }

.hero__scroll-line {
  width: 1px;
  height: 56px;
  background: linear-gradient(to bottom, transparent, rgba(255,255,255,0.6));
  position: relative;
  overflow: hidden;
}
.hero__scroll-line::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, var(--color-accent-soft), transparent);
  animation: scroll-pulse 2.4s var(--ease-smooth) infinite;
}

@keyframes scroll-pulse {
  0%   { transform: translateY(-100%); opacity: 0; }
  35%  { opacity: 1; }
  100% { transform: translateY(100%); opacity: 0; }
}

/* ---------- RESPONSIVE ---------- */
@media (max-width: 720px) {
  .hero { min-height: 520px; height: 75vh; }
  .hero__scroll { display: none; }
  .hero__label { top: max(7rem, 14vh); font-size: 0.62rem; }
}