/* ============================================================
   scroll-fx.css – Apple-style Scroll Animation Styles
   Shared across all dasdensch projects
   v1.0 – 2026-03-29
   ============================================================ */

/* ── Base: all [data-scroll] elements start hidden ────────── */
[data-scroll] {
  opacity: 0;
  will-change: transform, opacity;
  transition:
    opacity 1s cubic-bezier(0.16, 1, 0.3, 1),
    transform 1s cubic-bezier(0.16, 1, 0.3, 1),
    filter 1s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ── Fade Up (default) ────────────────────────────────────── */
[data-scroll],
[data-scroll="fade-up"] {
  transform: translateY(50px);
}
[data-scroll].in-view,
[data-scroll="fade-up"].in-view {
  opacity: 1;
  transform: translateY(0);
}

/* ── Fade Down ────────────────────────────────────────────── */
[data-scroll="fade-down"] {
  transform: translateY(-50px);
}
[data-scroll="fade-down"].in-view {
  opacity: 1;
  transform: translateY(0);
}

/* ── Fade Left ────────────────────────────────────────────── */
[data-scroll="fade-left"] {
  transform: translateX(60px);
}
[data-scroll="fade-left"].in-view {
  opacity: 1;
  transform: translateX(0);
}

/* ── Fade Right ───────────────────────────────────────────── */
[data-scroll="fade-right"] {
  transform: translateX(-60px);
}
[data-scroll="fade-right"].in-view {
  opacity: 1;
  transform: translateX(0);
}

/* ── Scale Up ─────────────────────────────────────────────── */
[data-scroll="scale-up"] {
  transform: scale(0.88);
}
[data-scroll="scale-up"].in-view {
  opacity: 1;
  transform: scale(1);
}

/* ── Blur In ──────────────────────────────────────────────── */
[data-scroll="blur-in"] {
  transform: translateY(30px) scale(0.97);
  filter: blur(10px);
}
[data-scroll="blur-in"].in-view {
  opacity: 1;
  transform: translateY(0) scale(1);
  filter: blur(0);
}

/* ── Zoom Out (starts large, settles) ─────────────────────── */
[data-scroll="zoom-out"] {
  transform: scale(1.15);
}
[data-scroll="zoom-out"].in-view {
  opacity: 1;
  transform: scale(1);
}

/* ── Flip Up ──────────────────────────────────────────────── */
[data-scroll="flip-up"] {
  transform: perspective(800px) rotateX(8deg) translateY(40px);
  transform-origin: bottom center;
}
[data-scroll="flip-up"].in-view {
  opacity: 1;
  transform: perspective(800px) rotateX(0) translateY(0);
}

/* ── Hero Fade (controlled by JS, just set will-change) ──── */
[data-hero-fade] {
  will-change: transform, opacity;
}

/* ── Parallax (controlled by JS) ─────────────────────────── */
[data-parallax] {
  will-change: transform;
}


/* ════════════════════════════════════════════════════════════
   TEXT GLOW / SHINE EFFECT
   ════════════════════════════════════════════════════════════ */

/* ── Dark theme glow (for index + dasdensch) ─────────────── */
[data-glow] {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 1.2s cubic-bezier(0.16, 1, 0.3, 1),
              transform 1.2s cubic-bezier(0.16, 1, 0.3, 1);
}

[data-glow].glow-active {
  opacity: 1;
  transform: translateY(0);
}

/* Dark: gradient text + shine sweep */
[data-theme-dark] [data-glow],
.theme-dark [data-glow],
body.dark [data-glow] {
  background: linear-gradient(180deg, #3a3a3c 0%, #3a3a3c 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

[data-theme-dark] [data-glow].glow-active,
.theme-dark [data-glow].glow-active,
body.dark [data-glow].glow-active {
  background: linear-gradient(180deg, #f5f5f7 30%, #86868b 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: glowShineDark 2.5s ease 0.3s forwards;
}

@keyframes glowShineDark {
  0% {
    background-position: -200% center;
    filter: brightness(1);
  }
  30% {
    filter: brightness(1.4);
    text-shadow: 0 0 40px rgba(255, 255, 255, 0.15);
  }
  100% {
    background-position: 200% center;
    filter: brightness(1);
  }
}

/* Light: subtle accent glow */
[data-glow].glow-active {
  animation: glowShineLight 2s ease 0.3s forwards;
}

@keyframes glowShineLight {
  0%   { filter: brightness(1); }
  35%  { filter: brightness(1.08); }
  100% { filter: brightness(1); }
}


/* ════════════════════════════════════════════════════════════
   COUNTER
   ════════════════════════════════════════════════════════════ */
[data-counter] {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-counter].counted {
  opacity: 1;
  transform: translateY(0);
}


/* ════════════════════════════════════════════════════════════
   STICKY PIN SECTIONS
   ════════════════════════════════════════════════════════════ */
[data-sticky-section] {
  position: relative;
}

[data-sticky-panel] {
  position: sticky;
  top: 0;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  will-change: transform, opacity;
  transition: transform 0.1s linear, opacity 0.1s linear;
}


/* ════════════════════════════════════════════════════════════
   SCROLL PROGRESS BAR (optional)
   ════════════════════════════════════════════════════════════ */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 2px;
  background: var(--accent, #2997ff);
  width: calc(var(--scroll-progress, 0) * 100%);
  z-index: 9999;
  transition: none;
}


/* ════════════════════════════════════════════════════════════
   TICKER / LOGO SCROLLER
   ════════════════════════════════════════════════════════════ */
[data-ticker] {
  overflow-x: auto;
  overflow-y: hidden;
  -webkit-overflow-scrolling: touch;
  cursor: grab;
  scrollbar-width: none;
  mask-image: linear-gradient(to right, transparent 0%, black 8%, black 92%, transparent 100%);
  -webkit-mask-image: linear-gradient(to right, transparent 0%, black 8%, black 92%, transparent 100%);
}

[data-ticker]::-webkit-scrollbar { display: none; }
[data-ticker]:active { cursor: grabbing; }


/* ════════════════════════════════════════════════════════════
   REDUCED MOTION
   ════════════════════════════════════════════════════════════ */
@media (prefers-reduced-motion: reduce) {
  [data-scroll],
  [data-glow],
  [data-counter],
  [data-hero-fade],
  [data-parallax] {
    opacity: 1 !important;
    transform: none !important;
    filter: none !important;
    animation: none !important;
    transition: none !important;
  }
}