/* =============================================
   EIDAMTECH — Animations & Transitions
   ============================================= */

/* ═══════════════════════════════════════════
   KEYFRAMES
   ═══════════════════════════════════════════ */

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(0.9); }
}

@keyframes scrollDown {
  0% { transform: scaleY(0); transform-origin: top; opacity: 0; }
  40% { transform: scaleY(1); transform-origin: top; opacity: 1; }
  60% { transform: scaleY(1); transform-origin: bottom; opacity: 1; }
  100% { transform: scaleY(0); transform-origin: bottom; opacity: 0; }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(32px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.92);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-32px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(32px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes shimmer {
  0% { background-position: -1000px 0; }
  100% { background-position: 1000px 0; }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

@keyframes rotateSlow {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes borderGlow {
  0%, 100% { box-shadow: 0 0 0 0 rgba(212, 175, 55, 0); }
  50% { box-shadow: 0 0 20px 4px rgba(212, 175, 55, 0.12); }
}

@keyframes textReveal {
  from {
    clip-path: inset(0 100% 0 0);
    opacity: 0;
  }
  to {
    clip-path: inset(0 0% 0 0);
    opacity: 1;
  }
}

@keyframes countUp {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes particleDrift {
  0% { transform: translateY(0) translateX(0); opacity: 0.6; }
  33% { transform: translateY(-20px) translateX(10px); opacity: 1; }
  66% { transform: translateY(-10px) translateX(-5px); opacity: 0.8; }
  100% { transform: translateY(0) translateX(0); opacity: 0.6; }
}

@keyframes gridFade {
  0%, 100% { opacity: 0.03; }
  50% { opacity: 0.07; }
}

/* ═══════════════════════════════════════════
   GSAP HELPER CLASSES
   These initial states are set on elements
   and GSAP/ScrollTrigger animates them in
   ═══════════════════════════════════════════ */

.gsap-init {
  opacity: 0;
  transform: translateY(40px);
}

.gsap-init-left {
  opacity: 0;
  transform: translateX(-40px);
}

.gsap-init-right {
  opacity: 0;
  transform: translateX(40px);
}

.gsap-init-scale {
  opacity: 0;
  transform: scale(0.9);
}

.gsap-init-fade {
  opacity: 0;
}

/* When JS is disabled or GSAP fails — fallback */
.no-js .gsap-init,
.no-js .gsap-init-left,
.no-js .gsap-init-right,
.no-js .gsap-init-scale,
.no-js .gsap-init-fade {
  opacity: 1;
  transform: none;
}

/* ═══════════════════════════════════════════
   SCROLL REVEAL — CSS Fallback
   ═══════════════════════════════════════════ */

.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-left {
  opacity: 0;
  transform: translateX(-32px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(32px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal-right.visible {
  opacity: 1;
  transform: translateX(0);
}

.stagger-item {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.stagger-item.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Delay variants for stagger */
.stagger-item:nth-child(1) { transition-delay: 0ms; }
.stagger-item:nth-child(2) { transition-delay: 80ms; }
.stagger-item:nth-child(3) { transition-delay: 160ms; }
.stagger-item:nth-child(4) { transition-delay: 240ms; }
.stagger-item:nth-child(5) { transition-delay: 320ms; }
.stagger-item:nth-child(6) { transition-delay: 400ms; }

/* ═══════════════════════════════════════════
   CANVAS / PARTICLE HELPERS
   ═══════════════════════════════════════════ */

#hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  opacity: 0.5;
  z-index: 0;
}

/* ═══════════════════════════════════════════
   LOADING / SKELETON
   ═══════════════════════════════════════════ */

.skeleton {
  background: linear-gradient(
    90deg,
    rgba(255, 255, 255, 0.04) 25%,
    rgba(255, 255, 255, 0.08) 50%,
    rgba(255, 255, 255, 0.04) 75%
  );
  background-size: 1000px 100%;
  animation: shimmer 2s infinite linear;
  border-radius: var(--radius-md);
}

/* ═══════════════════════════════════════════
   HOVER EFFECTS
   ═══════════════════════════════════════════ */

.hover-lift {
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.hover-lift:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-gold);
}

.hover-glow {
  transition: box-shadow var(--transition-base);
}

.hover-glow:hover {
  box-shadow: 0 0 24px rgba(212, 175, 55, 0.2);
}

/* ═══════════════════════════════════════════
   GRADIENT TEXT
   ═══════════════════════════════════════════ */

.gradient-text {
  background: linear-gradient(135deg, var(--gold) 0%, var(--gold-light) 60%, #F5D668 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ═══════════════════════════════════════════
   CANVAS GRID BACKGROUND
   ═══════════════════════════════════════════ */

.hero-grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(212, 175, 55, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(212, 175, 55, 0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
  z-index: 0;
  animation: gridFade 8s ease-in-out infinite;
}

.hero-grid-overlay::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 50%,
    transparent 40%,
    var(--bg-primary) 90%
  );
}

/* ═══════════════════════════════════════════
   PAGE TRANSITIONS
   ═══════════════════════════════════════════ */

.page-enter {
  animation: fadeIn 0.4s ease forwards;
}

/* ═══════════════════════════════════════════
   GOLD UNDERLINE
   ═══════════════════════════════════════════ */

.underline-gold {
  position: relative;
  display: inline-block;
}

.underline-gold::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--gold), var(--gold-light));
  border-radius: 2px;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}

.underline-gold:hover::after,
.underline-gold.active::after {
  transform: scaleX(1);
}