/* ============================================
   FLOWGINEERING — Animations
   ============================================ */

/* ── Scroll Reveal ── */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

.reveal--left {
  transform: translateX(-30px);
}

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

.reveal--right {
  transform: translateX(30px);
}

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

.reveal--scale {
  transform: scale(0.95);
}

.reveal--scale.reveal--visible {
  transform: scale(1);
}

/* Stagger children */
.reveal-stagger > * {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.reveal-stagger--visible > *:nth-child(1) { transition-delay: 0ms; }
.reveal-stagger--visible > *:nth-child(2) { transition-delay: 100ms; }
.reveal-stagger--visible > *:nth-child(3) { transition-delay: 200ms; }
.reveal-stagger--visible > *:nth-child(4) { transition-delay: 300ms; }
.reveal-stagger--visible > *:nth-child(5) { transition-delay: 400ms; }
.reveal-stagger--visible > *:nth-child(6) { transition-delay: 500ms; }

.reveal-stagger--visible > * {
  opacity: 1;
  transform: translateY(0);
}

/* ── Hero Flow Background ── */
@keyframes flowGradient {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

@keyframes floatSlow {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-15px) rotate(2deg); }
}

@keyframes pulse {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 0.8; }
}

@keyframes slideRight {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(200%); }
}

@keyframes dash {
  to { stroke-dashoffset: 0; }
}

/* ── Flow Lines (Hero Background) ── */
.flow-bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: 0;
}

.flow-bg__line {
  position: absolute;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0, 180, 216, 0.3), transparent);
  animation: slideRight 6s ease-in-out infinite;
}

.flow-bg__line:nth-child(1) {
  top: 20%;
  width: 200px;
  animation-duration: 7s;
  animation-delay: 0s;
}

.flow-bg__line:nth-child(2) {
  top: 40%;
  width: 300px;
  animation-duration: 9s;
  animation-delay: 2s;
  opacity: 0.6;
}

.flow-bg__line:nth-child(3) {
  top: 60%;
  width: 150px;
  animation-duration: 5s;
  animation-delay: 4s;
}

.flow-bg__line:nth-child(4) {
  top: 80%;
  width: 250px;
  animation-duration: 8s;
  animation-delay: 1s;
  opacity: 0.4;
}

.flow-bg__line:nth-child(5) {
  top: 30%;
  width: 180px;
  animation-duration: 10s;
  animation-delay: 3s;
  opacity: 0.5;
}

/* ── Floating Dots ── */
.flow-bg__dot {
  position: absolute;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-primary);
  opacity: 0.3;
  animation: float 4s ease-in-out infinite;
}

.flow-bg__dot:nth-child(6) {
  top: 15%;
  left: 10%;
  animation-delay: 0s;
  animation-duration: 5s;
}

.flow-bg__dot:nth-child(7) {
  top: 45%;
  right: 15%;
  animation-delay: 1.5s;
  width: 8px;
  height: 8px;
}

.flow-bg__dot:nth-child(8) {
  bottom: 25%;
  left: 20%;
  animation-delay: 3s;
  animation-duration: 6s;
  width: 4px;
  height: 4px;
}

.flow-bg__dot:nth-child(9) {
  top: 70%;
  right: 30%;
  animation-delay: 2s;
  opacity: 0.2;
}

.flow-bg__dot:nth-child(10) {
  top: 25%;
  right: 40%;
  animation-delay: 4s;
  width: 5px;
  height: 5px;
}

/* ── Glow Orbs ── */
.flow-bg__orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  animation: pulse 6s ease-in-out infinite;
}

.flow-bg__orb--primary {
  width: 400px;
  height: 400px;
  background: rgba(0, 180, 216, 0.08);
  top: -10%;
  right: -5%;
  animation-delay: 0s;
}

.flow-bg__orb--accent {
  width: 300px;
  height: 300px;
  background: rgba(123, 97, 255, 0.06);
  bottom: -10%;
  left: -5%;
  animation-delay: 3s;
}

/* ── Counter Animation ── */
.count-up {
  display: inline-block;
}

/* ── Hover Lift ── */
.hover-lift {
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.hover-lift:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
}

/* ── Shimmer Effect on cards ── */
.shimmer {
  position: relative;
  overflow: hidden;
}

.shimmer::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(
    115deg,
    transparent 0%,
    transparent 40%,
    rgba(255, 255, 255, 0.05) 40%,
    rgba(255, 255, 255, 0.1) 50%,
    rgba(255, 255, 255, 0.05) 60%,
    transparent 60%,
    transparent 100%
  );
  transform: rotate(30deg) translateX(-100%);
  transition: transform 0.6s ease;
}

.shimmer:hover::after {
  transform: rotate(30deg) translateX(100%);
}

/* ── Prefers Reduced Motion ── */
@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .reveal-stagger > * {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .flow-bg__line,
  .flow-bg__dot,
  .flow-bg__orb {
    animation: none;
  }

  .hover-lift:hover {
    transform: none;
  }
}