/* ============================================================
   Freyva Landingpage — effects.css
   Scroll-Reveal, Fog-Reveal-Animation (SVG), Puls-FX
   ============================================================ */

/* ── Scroll-Reveal (per IntersectionObserver aktiviert) ──── */

.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.7s ease, transform 0.7s ease;
  transition-delay: var(--reveal-delay, 0s);
}

.reveal.visible {
  opacity: 1;
  transform: none;
}

/* Gestaffelte Kinder in Grids */
.stagger > :nth-child(1) { --reveal-delay: 0s; }
.stagger > :nth-child(2) { --reveal-delay: 0.08s; }
.stagger > :nth-child(3) { --reveal-delay: 0.16s; }
.stagger > :nth-child(4) { --reveal-delay: 0.24s; }
.stagger > :nth-child(5) { --reveal-delay: 0.32s; }
.stagger > :nth-child(6) { --reveal-delay: 0.4s; }
.stagger > :nth-child(7) { --reveal-delay: 0.48s; }
.stagger > :nth-child(8) { --reveal-delay: 0.56s; }

/* ── Fog-of-War-Animation im SVG-Handy-Mockup ────────────────
   Der Nebel (Rechteck) liegt über der Karte. Eine Maske mit
   dickem, rundem Pfad "radiert" ihn entlang der gelaufenen
   Strecke frei — synchron zeichnet sich die Route selbst.       */

.trail-path,
.fog-eraser {
  stroke-dasharray: 100;
  stroke-dashoffset: 100;
  animation: draw-trail 9s ease-in-out infinite;
}

@keyframes draw-trail {
  0%        { stroke-dashoffset: 100; }
  55%, 82%  { stroke-dashoffset: 0; }
  97%, 100% { stroke-dashoffset: 100; }
}

/* Entdeckungen poppen auf, sobald die Route sie erreicht */
.poi {
  opacity: 0;
  transform-origin: center;
  transform-box: fill-box;
  animation: poi-pop 9s ease-in-out infinite;
}

.poi-1 { animation-delay: 1.6s; }
.poi-2 { animation-delay: 3.1s; }
.poi-3 { animation-delay: 4.4s; }

@keyframes poi-pop {
  0%, 6%    { opacity: 0; transform: scale(0.2); }
  10%       { opacity: 1; transform: scale(1.35); }
  13%, 82%  { opacity: 1; transform: scale(1); }
  92%, 100% { opacity: 0; transform: scale(0.2); }
}

/* Pulsierender Standortpunkt am Ende der Route */
.pos-pulse {
  transform-origin: center;
  transform-box: fill-box;
  animation: pos-pulse 2.2s ease-out infinite;
}

@keyframes pos-pulse {
  0%   { opacity: 0.65; transform: scale(0.5); }
  70%  { opacity: 0;    transform: scale(2.4); }
  100% { opacity: 0;    transform: scale(2.4); }
}

/* ── Goldglanz auf dem White-Label-Button ────────────────── */

.btn-gold {
  position: relative;
  overflow: hidden;
}

.btn-gold::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(115deg, transparent 30%,
              rgba(255, 255, 255, 0.55) 50%, transparent 70%);
  transform: translateX(-120%);
  animation: shine 4.5s ease-in-out infinite;
}

@keyframes shine {
  0%, 55%   { transform: translateX(-120%); }
  75%, 100% { transform: translateX(120%); }
}

/* ── Sanftes Pulsieren des Hero-Hinweises ────────────────── */

.hero-hint {
  animation: hint-breathe 3.6s ease-in-out infinite;
}

@keyframes hint-breathe {
  0%, 100% { opacity: 0.85; }
  50%      { opacity: 1; }
}

/* ── Reduzierte Bewegung respektieren ────────────────────── */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .trail-path,
  .fog-eraser {
    animation: none;
    stroke-dashoffset: 0;
  }

  .poi { animation: none; opacity: 1; }

  .pos-pulse,
  .btn-gold::after,
  .hero-hint {
    animation: none;
  }
}