/* ═══════════════════════════════════════
   QUANTUM QA LABS — ANIMATIONS STYLESHEET
   Keyframes, transitions & motion design
   ═══════════════════════════════════════ */

/* ═══════════════════════════════════════
   KEYFRAME ANIMATIONS
   ═══════════════════════════════════════ */

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

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

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

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

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

@keyframes float {
  0%, 100% { transform: translateY(0) translateX(0); }
  50% { transform: translateY(-12px) translateX(4px); }
}

@keyframes floatReverse {
  0%, 100% { transform: translateY(0) translateX(0); }
  50% { transform: translateY(8px) translateX(-4px); }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}

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

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

@keyframes spin {
  to { transform: rotate(360deg); }
}

@keyframes glow {
  0%, 100% { box-shadow: 0 0 8px rgba(245, 181, 27, 0.2); }
  50% { box-shadow: 0 0 20px rgba(245, 181, 27, 0.4), 0 0 40px rgba(245, 181, 27, 0.15); }
}

@keyframes glowBlue {
  0%, 100% { box-shadow: 0 0 8px rgba(20, 85, 192, 0.2); }
  50% { box-shadow: 0 0 20px rgba(20, 85, 192, 0.4), 0 0 40px rgba(20, 85, 192, 0.15); }
}

@keyframes nod {
  0%, 100% { transform: rotate(0deg); }
  50% { transform: rotate(8deg); }
}

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

@keyframes particleDrift {
  0% {
    transform: translate(0, 0) scale(1);
    opacity: 0;
  }
  10% { opacity: 1; }
  90% { opacity: 1; }
  100% {
    transform: translate(var(--drift-x), var(--drift-y)) scale(0.5);
    opacity: 0;
  }
}

@keyframes ringExpand {
  0% {
    transform: scale(0.8);
    opacity: 0.8;
  }
  100% {
    transform: scale(2);
    opacity: 0;
  }
}

@keyframes lineDraw {
  from { stroke-dashoffset: 1000; }
  to { stroke-dashoffset: 0; }
}

@keyframes gradientShift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

@keyframes counterUp {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ═══════════════════════════════════════
   SCROLL PROGRESS ANIMATION
   ═══════════════════════════════════════ */

.scroll-progress {
  transition: width 100ms linear;
}

/* ═══════════════════════════════════════
   ANIMATION UTILITY CLASSES
   ═══════════════════════════════════════ */

.animate-fade-in {
  animation: fadeIn 0.6s var(--ease-out) both;
}

.animate-fade-in-up {
  animation: fadeInUp 0.6s var(--ease-out) both;
}

.animate-fade-in-down {
  animation: fadeInDown 0.6s var(--ease-out) both;
}

.animate-slide-in-left {
  animation: slideInLeft 0.6s var(--ease-out) both;
}

.animate-slide-in-right {
  animation: slideInRight 0.6s var(--ease-out) both;
}

.animate-scale-in {
  animation: scaleIn 0.5s var(--ease-out) both;
}

.animate-float {
  animation: float 4s ease-in-out infinite;
}

.animate-float-reverse {
  animation: floatReverse 5s ease-in-out infinite;
}

.animate-pulse {
  animation: pulse 2s ease-in-out infinite;
}

.animate-shimmer {
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(255, 255, 255, 0.05) 50%,
    transparent 100%
  );
  background-size: 200% 100%;
  animation: shimmer 2.5s infinite;
}

.animate-rotate {
  animation: rotate 10s linear infinite;
}

.animate-spinner {
  animation: spin 0.8s linear infinite;
}

.animate-glow {
  animation: glow 2.5s ease-in-out infinite;
}

.animate-glow-blue {
  animation: glowBlue 2.5s ease-in-out infinite;
}

.animate-bounce {
  animation: bounce 1.5s ease-in-out infinite;
}

/* ═══════════════════════════════════════
   STAGGERED DELAYS (for repeated elements)
   ═══════════════════════════════════════ */

.stagger-1 { animation-delay: 0.05s; transition-delay: 0.05s; }
.stagger-2 { animation-delay: 0.1s; transition-delay: 0.1s; }
.stagger-3 { animation-delay: 0.15s; transition-delay: 0.15s; }
.stagger-4 { animation-delay: 0.2s; transition-delay: 0.2s; }
.stagger-5 { animation-delay: 0.25s; transition-delay: 0.25s; }
.stagger-6 { animation-delay: 0.3s; transition-delay: 0.3s; }
.stagger-7 { animation-delay: 0.35s; transition-delay: 0.35s; }
.stagger-8 { animation-delay: 0.4s; transition-delay: 0.4s; }
.stagger-9 { animation-delay: 0.45s; transition-delay: 0.45s; }
.stagger-10 { animation-delay: 0.5s; transition-delay: 0.5s; }

.stagger-l1 { animation-delay: 0.1s; }
.stagger-l2 { animation-delay: 0.2s; }
.stagger-l3 { animation-delay: 0.3s; }
.stagger-l4 { animation-delay: 0.4s; }
.stagger-l5 { animation-delay: 0.5s; }
.stagger-l6 { animation-delay: 0.6s; }

/* ═══════════════════════════════════════
   HERO PARTICLES ANIMATION
   ═══════════════════════════════════════ */

.hero-particle {
  position: absolute;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--color-gold);
  opacity: 0;
  animation: particleDrift 6s ease-in-out infinite;
  pointer-events: none;
}

/* ═══════════════════════════════════════
   HERO RINGS ANIMATION
   ═══════════════════════════════════════ */

.hero-ring {
  animation: ringExpand 4s ease-out infinite;
}

.hero-ring:nth-child(1) { animation-delay: 0s; }
.hero-ring:nth-child(2) { animation-delay: 1s; }
.hero-ring:nth-child(3) { animation-delay: 2s; }
.hero-ring:nth-child(4) { animation-delay: 3s; }

/* ═══════════════════════════════════════
   HOVER TRANSITIONS (card, button, link)
   ═══════════════════════════════════════ */

.card,
.service-card-large,
.industry-card,
.solution-card,
.philosophy-card,
.culture-card {
  transition:
    transform var(--transition-base),
    box-shadow var(--transition-base),
    border-color var(--transition-base),
    background-color var(--transition-base);
}

.nav-link,
.footer-links a {
  transition: color var(--transition-fast), background-color var(--transition-fast);
}

.btn {
  transition:
    background-color var(--transition-fast),
    color var(--transition-fast),
    transform var(--transition-fast),
    box-shadow var(--transition-fast),
    border-color var(--transition-fast);
}

.footer-social-link {
  transition:
    background-color var(--transition-fast),
    color var(--transition-fast),
    transform var(--transition-fast);
}

.form-group input,
.form-group select,
.form-group textarea {
  transition:
    border-color var(--transition-fast),
    box-shadow var(--transition-fast);
}

/* ═══════════════════════════════════════
   BACKDROP BLUR TRANSITIONS
   ═══════════════════════════════════════ */

.header {
  transition:
    background-color var(--transition-base),
    box-shadow var(--transition-base),
    backdrop-filter var(--transition-base);
}

/* ═══════════════════════════════════════
   MAGNETIC BUTTON EFFECT
   ═══════════════════════════════════════ */

.magnetic {
  transition: transform var(--transition-fast);
}

/* ═══════════════════════════════════════
   SMOOTH SCROLL FOR ANCHOR LINKS
   ═══════════════════════════════════════ */

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

/* ═══════════════════════════════════════
   ANIMATED COUNTER STYLES
   ═══════════════════════════════════════ */

.counter {
  font-family: var(--font-heading);
  font-weight: 800;
}

/* ═══════════════════════════════════════
   SVG STROKE ANIMATION
   ═══════════════════════════════════════ */

.svg-animated-path {
  stroke-dasharray: 1000;
  stroke-dashoffset: 1000;
  animation: lineDraw 1.5s var(--ease-out) forwards;
}

/* ═══════════════════════════════════════
   PROCESS TIMELINE ANIMATION
   ═══════════════════════════════════════ */

.process-step {
  opacity: 0;
  transform: translateX(-15px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.process-step.is-visible {
  opacity: 1;
  transform: translateX(0);
}

/* ═══════════════════════════════════════
   TECHNOLOGY ECOSYSTEM ANIMATION
   ═══════════════════════════════════════ */

.tech-node {
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.tech-node:hover {
  transform: scale(1.05);
}

.tech-connection {
  opacity: 0.15;
  transition: opacity var(--transition-base);
}

.tech-category:hover .tech-connection {
  opacity: 0.25;
}

/* ═══════════════════════════════════════
   REDUCED MOTION OVERRIDE
   ═══════════════════════════════════════ */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    animation-delay: 0s !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .hero-ring,
  .hero-particle {
    display: none;
  }
}

/* ═══════════════════════════════════════
   PRINT ANIMATION RESET
   ═══════════════════════════════════════ */

@media print {
  * {
    animation: none !important;
    transition: none !important;
  }
}