/* ============================================================
   ADD BLITZ — ANIMATION SYSTEM
   Layer 4: Scroll Reveals, Micro-interactions, Motion
   ============================================================ */

/* ─────────────────────────────────────
   CUSTOM CURSOR (Desktop)
───────────────────────────────────── */
/* HTML static elements use cursor-dot/cursor-ring (with dash)
   JS adds cursor__dot/cursor__ring (with double underscore) classes
   to activate styles. Hidden by default until JS initialises. */
.cursor-dot,
.cursor-ring {
  position: fixed;
  pointer-events: none;
  z-index: var(--z-cursor);
  opacity: 0;  /* Hidden until JS activates */
}

.cursor {
  position: fixed;
  pointer-events: none;
  z-index: var(--z-cursor);
  mix-blend-mode: normal;
}

.cursor__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--amber);
  position: fixed;
  top: 0;
  left: 0;
  transform: translate(-50%, -50%);
  transition: transform var(--dur-fast) var(--ease-out), opacity var(--dur-fast);
  pointer-events: none;
  z-index: var(--z-cursor);
  opacity: 0.85; /* Override hidden cursor-dot base */
}

.cursor__ring {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1.5px solid rgba(255, 122, 26, 0.5);
  position: fixed;
  top: 0;
  left: 0;
  transform: translate(-50%, -50%);
  pointer-events: none;
  z-index: var(--z-cursor);
  transition: transform 80ms linear, opacity var(--dur-normal);
  will-change: transform;
  opacity: 1; /* Override hidden cursor-ring base */
}

/* Cursor hover state */
.cursor__dot.is-hovering {
  transform: translate(-50%, -50%) scale(1.8);
  background-color: var(--amber);
}

.cursor__ring.is-hovering {
  transform: translate(-50%, -50%) scale(1.5);
  border-color: rgba(255, 122, 26, 0.25);
}

/* Cursor on dark backgrounds */
.cursor__dot.on-dark {
  background-color: var(--amber-muted);
}

/* Disable cursor on touch/small screens */
@media (max-width: 768px), (pointer: coarse) {
  .cursor__dot,
  .cursor__ring {
    display: none !important;
  }
}


/* ─────────────────────────────────────
   SCROLL REVEAL — BASE STATES
   All elements start hidden, revealed by JS
───────────────────────────────────── */

/* Fade up (default) */
[data-reveal] {
  opacity: 0;
  transform: translateY(40px);
  transition:
    opacity var(--dur-slower) var(--ease-out),
    transform var(--dur-slower) var(--ease-out);
  will-change: opacity, transform;
}

[data-reveal].is-revealed {
  opacity: 1;
  transform: translateY(0);
}

/* Fade in (no movement) */
[data-reveal="fade"] {
  opacity: 0;
  transform: none;
  transition: opacity var(--dur-cinema) var(--ease-out);
}

[data-reveal="fade"].is-revealed {
  opacity: 1;
}

/* Fade left */
[data-reveal="left"] {
  opacity: 0;
  transform: translateX(-40px);
  transition:
    opacity var(--dur-slower) var(--ease-out),
    transform var(--dur-slower) var(--ease-out);
}

[data-reveal="left"].is-revealed {
  opacity: 1;
  transform: translateX(0);
}

/* Fade right */
[data-reveal="right"] {
  opacity: 0;
  transform: translateX(40px);
  transition:
    opacity var(--dur-slower) var(--ease-out),
    transform var(--dur-slower) var(--ease-out);
}

[data-reveal="right"].is-revealed {
  opacity: 1;
  transform: translateX(0);
}

/* Scale up */
[data-reveal="scale"] {
  opacity: 0;
  transform: scale(0.94);
  transition:
    opacity var(--dur-slower) var(--ease-out),
    transform var(--dur-slower) var(--ease-expo);
}

[data-reveal="scale"].is-revealed {
  opacity: 1;
  transform: scale(1);
}

/* Delay modifiers — stagger children */
[data-delay="100"] { transition-delay: 100ms; }
[data-delay="150"] { transition-delay: 150ms; }
[data-delay="200"] { transition-delay: 200ms; }
[data-delay="300"] { transition-delay: 300ms; }
[data-delay="400"] { transition-delay: 400ms; }
[data-delay="500"] { transition-delay: 500ms; }
[data-delay="600"] { transition-delay: 600ms; }
[data-delay="700"] { transition-delay: 700ms; }
[data-delay="800"] { transition-delay: 800ms; }

/* Stagger parent — children auto-delay */
.stagger-children > * {
  opacity: 0;
  transform: translateY(32px);
  transition:
    opacity var(--dur-slower) var(--ease-out),
    transform var(--dur-slower) var(--ease-out);
}

.stagger-children.is-revealed > *:nth-child(1) { opacity: 1; transform: translateY(0); transition-delay: 0ms; }
.stagger-children.is-revealed > *:nth-child(2) { opacity: 1; transform: translateY(0); transition-delay: 80ms; }
.stagger-children.is-revealed > *:nth-child(3) { opacity: 1; transform: translateY(0); transition-delay: 160ms; }
.stagger-children.is-revealed > *:nth-child(4) { opacity: 1; transform: translateY(0); transition-delay: 240ms; }
.stagger-children.is-revealed > *:nth-child(5) { opacity: 1; transform: translateY(0); transition-delay: 320ms; }
.stagger-children.is-revealed > *:nth-child(6) { opacity: 1; transform: translateY(0); transition-delay: 400ms; }

/* ─────────────────────────────────────
   HERO ENTRANCE ANIMATIONS
───────────────────────────────────── */

/* Hero loads in on page load, not on scroll */
.hero-enter {
  animation: heroEnter var(--dur-cinema) var(--ease-expo) forwards;
}

.hero-enter--delay-1 {
  animation: heroEnter var(--dur-cinema) var(--ease-expo) 150ms forwards;
  opacity: 0;
}

.hero-enter--delay-2 {
  animation: heroEnter var(--dur-cinema) var(--ease-expo) 300ms forwards;
  opacity: 0;
}

.hero-enter--delay-3 {
  animation: heroEnter var(--dur-cinema) var(--ease-expo) 500ms forwards;
  opacity: 0;
}

.hero-enter--delay-4 {
  animation: heroEnter var(--dur-cinema) var(--ease-expo) 700ms forwards;
  opacity: 0;
}

@keyframes heroEnter {
  from {
    opacity: 0;
    transform: translateY(28px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Line reveal (horizontal rule slides in) */
.line-reveal {
  overflow: hidden;
}

.line-reveal::after {
  content: '';
  display: block;
  width: 100%;
  height: 1px;
  background-color: var(--border);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.9s var(--ease-expo);
}

.line-reveal.is-revealed::after {
  transform: scaleX(1);
}

/* ─────────────────────────────────────
   COUNTER ANIMATION (Stats)
───────────────────────────────────── */
.count-up {
  display: inline-block;
  transition: all var(--dur-cinema) var(--ease-out);
}

/* ─────────────────────────────────────
   MARQUEE / SCROLL TICKER
───────────────────────────────────── */
.marquee {
  overflow: hidden;
  white-space: nowrap;
  display: flex;
}

.marquee__track {
  display: flex;
  gap: var(--sp-8);
  animation: marqueeScroll 28s linear infinite;
  flex-shrink: 0;
}

.marquee__track--slow {
  animation-duration: 45s;
}

.marquee__track--reverse {
  animation-direction: reverse;
}

@keyframes marqueeScroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

.marquee__item {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--text-muted);
  padding: var(--sp-2) var(--sp-4);
  display: flex;
  align-items: center;
  gap: var(--sp-4);
  white-space: nowrap;
  flex-shrink: 0;
}

.section--dark .marquee__item {
  color: var(--text-dark-muted);
}

.marquee__separator {
  color: var(--amber);
  opacity: 0.6;
  font-size: 10px;
}

/* ─────────────────────────────────────
   PARALLAX (subtle depth)
───────────────────────────────────── */
[data-parallax] {
  will-change: transform;
}

/* ─────────────────────────────────────
   AMBER GLOW PULSE (accent elements)
───────────────────────────────────── */
@keyframes amberPulse {
  0%, 100% {
    box-shadow: 0 0 0 0 rgba(255, 122, 26, 0);
  }
  50% {
    box-shadow: 0 0 0 8px rgba(255, 122, 26, 0.10);
  }
}

.pulse--amber {
  animation: amberPulse 3s ease-in-out infinite;
}

/* ─────────────────────────────────────
   FLOATING INDICATOR DOT
───────────────────────────────────── */
@keyframes floatDot {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-6px); }
}

.float-dot {
  animation: floatDot 3s ease-in-out infinite;
}

/* ─────────────────────────────────────
   GRADIENT SHIMMER (Loading / Skeleton)
───────────────────────────────────── */
@keyframes shimmer {
  from { background-position: -400px 0; }
  to   { background-position: 400px 0; }
}

.shimmer {
  background: linear-gradient(
    90deg,
    var(--bg-secondary) 25%,
    var(--border-light) 50%,
    var(--bg-secondary) 75%
  );
  background-size: 800px 100%;
  animation: shimmer 1.6s infinite linear;
}

/* ─────────────────────────────────────
   SCROLL PROGRESS BAR
───────────────────────────────────── */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 2px;
  background: linear-gradient(to right, var(--amber), var(--amber-muted));
  z-index: calc(var(--z-sticky) + 1);
  transform-origin: left;
  transform: scaleX(0);
  transition: transform 50ms linear;
  will-change: transform;
}

/* ─────────────────────────────────────
   PAGE TRANSITION OVERLAY
───────────────────────────────────── */
.page-transition {
  position: fixed;
  inset: 0;
  background-color: var(--bg-dark);
  z-index: calc(var(--z-modal) + 10);
  transform: translateY(-100%);
  pointer-events: none;
}

.page-transition.is-entering {
  animation: pageEnter 0.4s var(--ease-expo) forwards;
}

.page-transition.is-leaving {
  animation: pageLeave 0.4s var(--ease-expo) 0.2s forwards;
}

@keyframes pageEnter {
  from { transform: translateY(100%); }
  to   { transform: translateY(0); }
}

@keyframes pageLeave {
  from { transform: translateY(0); }
  to   { transform: translateY(-100%); }
}

/* ─────────────────────────────────────
   REDUCED MOTION SUPPORT
───────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  [data-reveal],
  [data-reveal="fade"],
  [data-reveal="left"],
  [data-reveal="right"],
  [data-reveal="scale"] {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .stagger-children > * {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .hero-enter,
  .hero-enter--delay-1,
  .hero-enter--delay-2,
  .hero-enter--delay-3,
  .hero-enter--delay-4 {
    animation: none;
    opacity: 1;
  }

  .marquee__track {
    animation-duration: 80s;
  }

  .pulse--amber {
    animation: none;
  }

  .float-dot {
    animation: none;
  }
}