/* ==========================================================================
   NorthLabs -- animations.css
   Scroll-reveal, hero visuals, and micro-interactions
   All motion respects prefers-reduced-motion (see base.css)
   ========================================================================== */

/* ---- Scroll reveal ----
   Gated behind the .js class (set by an inline script in <head>) so that
   content is always visible if JavaScript is unavailable or fails to run. */
.js [data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}

.js [data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

.js [data-reveal-group] > * {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out);
}

.js [data-reveal-group].is-visible > * {
  opacity: 1;
  transform: translateY(0);
}

.js [data-reveal-group].is-visible > *:nth-child(1) { transition-delay: 0ms; }
.js [data-reveal-group].is-visible > *:nth-child(2) { transition-delay: 80ms; }
.js [data-reveal-group].is-visible > *:nth-child(3) { transition-delay: 160ms; }
.js [data-reveal-group].is-visible > *:nth-child(4) { transition-delay: 240ms; }
.js [data-reveal-group].is-visible > *:nth-child(5) { transition-delay: 320ms; }
.js [data-reveal-group].is-visible > *:nth-child(6) { transition-delay: 400ms; }

/* ---- Hero network visual ---- */
.hero-visual {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.9;
}

.hero-visual svg {
  width: 100%;
  height: 100%;
}

.hero-node {
  animation: pulse 3.6s ease-in-out infinite;
}

.hero-node--d1 { animation-delay: 0.4s; }
.hero-node--d2 { animation-delay: 0.9s; }
.hero-node--d3 { animation-delay: 1.4s; }
.hero-node--d4 { animation-delay: 1.9s; }
.hero-node--d5 { animation-delay: 0.2s; }

@keyframes pulse {
  0%, 100% { opacity: 0.35; r: 2.6; }
  50% { opacity: 1; r: 4; }
}

.hero-line {
  stroke-dasharray: 6 8;
  animation: dash 26s linear infinite;
}

@keyframes dash {
  to { stroke-dashoffset: -400; }
}

.hero-glow-a,
.hero-glow-b {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  z-index: 0;
  pointer-events: none;
}

.hero-glow-a {
  width: 420px;
  height: 420px;
  top: -120px;
  right: -80px;
  background: radial-gradient(circle, rgba(79, 124, 255, 0.35), transparent 70%);
  animation: float-a 14s ease-in-out infinite;
}

.hero-glow-b {
  width: 360px;
  height: 360px;
  bottom: -140px;
  left: -60px;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.28), transparent 70%);
  animation: float-b 16s ease-in-out infinite;
}

@keyframes float-a {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(-24px, 24px); }
}

@keyframes float-b {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(24px, -20px); }
}

/* Keep the ambient glows inside the frame on small screens */
@media (max-width: 640px) {
  .hero-glow-a {
    width: 260px;
    height: 260px;
    top: -60px;
    right: -40px;
  }

  .hero-glow-b {
    width: 220px;
    height: 220px;
    bottom: -80px;
    left: -30px;
  }
}

/* ---- Ambient section glows ---- */
.section-glow {
  position: absolute;
  inset: 0;
  overflow: hidden;
  z-index: -1;
  pointer-events: none;
}

.section-glow::before {
  content: "";
  position: absolute;
  width: 600px;
  height: 600px;
  left: 50%;
  top: 0;
  transform: translate(-50%, -40%);
  background: radial-gradient(circle, rgba(79, 124, 255, 0.1), transparent 70%);
}

/* ---- Globe / network pulse ---- */
.globe-visual .pulse-dot {
  animation: globe-pulse 3s ease-in-out infinite;
}

@keyframes globe-pulse {
  0%, 100% { opacity: 0.5; }
  50% { opacity: 1; }
}

.globe-visual .orbit-line {
  animation: rotate 40s linear infinite;
  transform-origin: center;
}

.globe-visual .orbit-line--rev {
  animation-direction: reverse;
  animation-duration: 55s;
}

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

/* ---- Marquee (logo / capability strip) ---- */
.marquee {
  overflow: hidden;
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}

.marquee-track {
  display: flex;
  gap: var(--space-8);
  width: max-content;
  animation: marquee 32s linear infinite;
}

@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ---- Card float on hover already in components.css; add subtle icon spin ---- */
.service-card__icon svg,
.why-item__icon svg {
  transition: transform var(--dur-med) var(--ease-out);
}

.card:hover .service-card__icon svg,
.why-item:hover .why-item__icon svg {
  transform: scale(1.1) rotate(-4deg);
}

/* ---- Reduced motion overrides ---- */
@media (prefers-reduced-motion: reduce) {
  .js [data-reveal],
  .js [data-reveal-group] > * {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .hero-node,
  .hero-line,
  .hero-glow-a,
  .hero-glow-b,
  .pulse-dot,
  .orbit-line,
  .marquee-track {
    animation: none !important;
  }
}