/* 
  Omics Lab — Interactive & Visual Animations (animations.css)
  Author: Antigravity
  Date: May 2026
*/

/* ==========================================================================
   1. Standard Reveal Animations (Triggered on Scroll)
   ========================================================================== */

.reveal {
  opacity: 0;
  transform: translateY(25px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: transform, opacity;
}

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

.reveal-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: transform, opacity;
}

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

.reveal-right {
  opacity: 0;
  transform: translateX(30px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: transform, opacity;
}

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

/* Stagger Helpers */
.stagger-1 { transition-delay: 100ms; }
.stagger-2 { transition-delay: 200ms; }
.stagger-3 { transition-delay: 300ms; }
.stagger-4 { transition-delay: 400ms; }
.stagger-5 { transition-delay: 500ms; }

/* ==========================================================================
   2. DNA Helix Rotating Animation
   ========================================================================== */

@keyframes dna-rotate {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

.dna-container {
  animation: dna-rotate 120s linear infinite;
  transform-origin: center;
  width: 100%;
  max-width: 500px;
  height: auto;
}

.dna-strand-1 {
  stroke: var(--color-cellular-green);
  stroke-width: 2.5;
  filter: drop-shadow(0 0 4px rgba(20, 184, 166, 0.4));
}

.dna-strand-2 {
  stroke: var(--color-genomics-purple);
  stroke-width: 2.5;
  filter: drop-shadow(0 0 4px rgba(124, 58, 237, 0.4));
}

.dna-node {
  fill: var(--text-primary);
  animation: pulse-node 4s ease-in-out infinite alternate;
}

.dna-node-green {
  fill: var(--color-cellular-green);
}

.dna-node-purple {
  fill: var(--color-genomics-purple);
}

.dna-bridge {
  stroke: var(--border);
  stroke-dasharray: 4;
}

@keyframes pulse-node {
  0% {
    r: 4px;
    filter: drop-shadow(0 0 2px var(--glow-color));
  }
  100% {
    r: 6px;
    filter: drop-shadow(0 0 6px var(--glow-color));
  }
}

/* ==========================================================================
   3. Computational Stack Marquee
   ========================================================================== */

.marquee-container {
  overflow: hidden;
  width: 100%;
  position: relative;
  display: flex;
  user-select: none;
  padding: 1.5rem 0;
}

.marquee-content {
  flex-shrink: 0;
  display: flex;
  justify-content: space-around;
  min-width: 100%;
  gap: 3rem;
  animation: scroll-marquee 25s linear infinite;
}

.marquee-container:hover .marquee-content {
  animation-play-state: paused;
}

@keyframes scroll-marquee {
  0% {
    transform: translateX(0%);
  }
  100% {
    transform: translateX(-100%);
  }
}

.marquee-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  font-size: 1.25rem;
  color: var(--text-secondary);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.75rem 1.5rem;
  box-shadow: var(--shadow);
  backdrop-filter: blur(8px);
}

.marquee-item img, .marquee-item svg {
  width: 24px;
  height: 24px;
  color: var(--color-cellular-green);
}

/* ==========================================================================
   4. UMAP / Volcano scatter plot simulations
   ========================================================================== */

.umap-dot {
  opacity: 0;
  transform: scale(0);
  transition: opacity 1s ease-out, transform 1s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.umap-dot.animate {
  opacity: 0.85;
  transform: scale(1);
}

.volcano-dot {
  opacity: 0;
  transform: translateY(100px);
  transition: opacity 1.2s ease-out, transform 1.2s cubic-bezier(0.075, 0.82, 0.165, 1);
}

.volcano-dot.animate {
  opacity: 0.85;
  transform: translateY(0);
}

/* ==========================================================================
   5. Interactive Steppers
   ========================================================================== */

.workflow-step {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.workflow-step.active {
  opacity: 1;
  transform: translateY(0);
}

/* Traveling Dash for connecting paths */
.connecting-path {
  stroke-dasharray: 1000;
  stroke-dashoffset: 1000;
  transition: stroke-dashoffset 2s ease-in-out;
}

.connecting-path.draw {
  stroke-dashoffset: 0;
}

/* Pulse glow effect */
.glow-pulse {
  animation: glow-pulse-keyframes 2s infinite alternate;
}

@keyframes glow-pulse-keyframes {
  0% {
    box-shadow: 0 0 5px var(--glow-color);
  }
  100% {
    box-shadow: 0 0 20px var(--glow-color);
  }
}

/* ==========================================================================
   6. Accessibility Overrides (Reduced Motion)
   ========================================================================== */

@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-left, .reveal-right, .workflow-step, .umap-dot, .volcano-dot {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }

  .dna-container {
    animation: none !important;
  }

  .marquee-content {
    animation: none !important;
    flex-wrap: wrap;
    justify-content: center;
  }
}