/* Entry Animations (Hero Section) */
.hero-content > * {
  animation: hero-fade-in 0.8s var(--ease-out-expo) forwards;
  opacity: 0;
}

.hero-content > *:nth-child(1) { animation-delay: 0.1s; }
.hero-content > *:nth-child(2) { animation-delay: 0.2s; }
.hero-content > *:nth-child(3) { animation-delay: 0.3s; }
.hero-content > *:nth-child(4) { animation-delay: 0.4s; }
.hero-content > *:nth-child(5) { animation-delay: 0.5s; }

.hero-image-container {
  animation: hero-image-fade 1.2s var(--ease-out-expo) forwards;
  opacity: 0;
}

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

@keyframes hero-image-fade {
  from {
    opacity: 0;
    transform: scale(0.9) translateY(20px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

/* Scroll reveal animations (triggered via class addition in JS) */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s var(--ease-out-expo), transform 0.8s var(--ease-out-expo);
  will-change: opacity, transform;
}

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

/* Stagger animations for grid elements */
.reveal-stagger {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s var(--ease-out-expo), transform 0.8s var(--ease-out-expo);
  will-change: opacity, transform;
}

.reveal-stagger.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* Custom delay utility for staggered children */
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }
.reveal-delay-5 { transition-delay: 0.5s; }
.reveal-delay-6 { transition-delay: 0.6s; }

/* Typing Cursor Pulse Effect */
.typing-cursor::after {
  content: "|";
  color: var(--accent-neon);
  animation: cursor-blink 1s infinite step-end;
  margin-left: 2px;
  font-weight: 400;
}

@keyframes cursor-blink {
  from, to { opacity: 1; }
  50% { opacity: 0; }
}

/* Background floating glow effect */
.glow-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.3;
  z-index: -1;
  pointer-events: none;
  mix-blend-mode: screen;
  animation: float-glow 20s infinite alternate ease-in-out;
}

@keyframes float-glow {
  0% {
    transform: translate(0, 0) scale(1);
  }
  100% {
    transform: translate(80px, 40px) scale(1.1);
  }
}

/* Scroll-Driven Animations (Modern browser progressive enhancement) */
@supports ((animation-timeline: scroll()) and (animation-range: 0% 100%)) {
  /* Line timeline growth */
  .timeline::before {
    animation: grow-line linear both;
    animation-timeline: view(block);
    animation-range: entry 10% exit 80%;
  }

  @keyframes grow-line {
    from {
      height: 0%;
    }
    to {
      height: 100%;
    }
  }

  /* Fade in timeline cards on entry */
  .timeline-item {
    animation: fade-timeline-item linear both;
    animation-timeline: view(block);
    animation-range: entry 5% cover 30%;
  }

  @keyframes fade-timeline-item {
    from {
      opacity: 0.2;
      transform: translateY(20px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  
  .reveal, .reveal-stagger {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
  
  .hero-content > *, .hero-image-container {
    animation: none !important;
    opacity: 1 !important;
    transform: none !important;
  }
  
  .timeline-item {
    animation: none !important;
    opacity: 1 !important;
    transform: none !important;
  }
}