/* Animations — keyframes, scroll-reveal, hover effects */

/* ===== KEYFRAMES ===== */
@keyframes fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes fade-in-up {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fade-in-down {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes float {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

@keyframes badge-pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(255, 106, 0, 0.3); }
  50% { box-shadow: 0 0 16px 4px rgba(255, 106, 0, 0.15); }
}

@keyframes glow-line {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

@keyframes shimmer {
  0% { background-position: -200% center; }
  100% { background-position: 200% center; }
}

/* ===== HERO ANIMATIONS ===== */
.hero-fade {
  animation: fade-in-up 1s ease-out both;
}

.hero-fade--delay-1 { animation-delay: 0.2s; }
.hero-fade--delay-2 { animation-delay: 0.4s; }
.hero-fade--delay-3 { animation-delay: 0.6s; }
.hero-fade--delay-4 { animation-delay: 0.8s; }

/* ===== SCROLL REVEAL ===== */
[data-reveal] {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

[data-reveal="left"] {
  transform: translateX(-30px);
}

[data-reveal="right"] {
  transform: translateX(30px);
}

[data-reveal="scale"] {
  transform: scale(0.95);
}

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

/* Stagger delays */
[data-reveal-delay="100"] { transition-delay: 100ms; }
[data-reveal-delay="200"] { transition-delay: 200ms; }
[data-reveal-delay="300"] { transition-delay: 300ms; }
[data-reveal-delay="400"] { transition-delay: 400ms; }
[data-reveal-delay="500"] { transition-delay: 500ms; }
[data-reveal-delay="600"] { transition-delay: 600ms; }

/* ===== HOVER GLOW EFFECTS ===== */
.glow-hover {
  position: relative;
  overflow: hidden;
}

.glow-hover::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at var(--mouse-x, 50%) var(--mouse-y, 50%), var(--accent-glow) 0%, transparent 60%);
  opacity: 0;
  transition: opacity var(--transition-base);
  pointer-events: none;
}

.glow-hover:hover::after {
  opacity: 1;
}

/* ===== GRADIENT TEXT ===== */
.gradient-text {
  background: linear-gradient(135deg, var(--text-heading) 0%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.gradient-text--shimmer {
  background: linear-gradient(90deg, var(--text-heading), var(--accent), var(--text-heading));
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: shimmer 4s linear infinite;
}

/* ===== ACCENT LINE DIVIDER ===== */
.accent-line {
  width: 60px;
  height: 3px;
  background: var(--accent);
  border-radius: 2px;
  margin: var(--space-lg) auto;
}

/* ===== REDUCED MOTION ===== */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  [data-reveal] {
    opacity: 1;
    transform: none;
  }
}