/* ============================================================
   GP Service — Animations
   Scroll-reveal, keyframes, transitions
   ============================================================ */

/* ============================================================
   SCROLL-REVEAL BASE
   Елементи невидимі до появи у viewport
   ============================================================ */
[data-animate] {
  transition:
    opacity 0.6s ease,
    transform 0.6s ease;
}

[data-animate="fade-up"] {
  opacity: 0;
  transform: translateY(32px);
}

[data-animate="fade-in"] {
  opacity: 0;
}

[data-animate="fade-left"] {
  opacity: 0;
  transform: translateX(-32px);
}

[data-animate="fade-right"] {
  opacity: 0;
  transform: translateX(32px);
}

[data-animate="zoom-in"] {
  opacity: 0;
  transform: scale(0.92);
}

/* Stagger delays for grid items */
[data-animate][data-delay="100"] {
  transition-delay: 0.1s;
}
[data-animate][data-delay="200"] {
  transition-delay: 0.2s;
}
[data-animate][data-delay="300"] {
  transition-delay: 0.3s;
}
[data-animate][data-delay="400"] {
  transition-delay: 0.4s;
}
[data-animate][data-delay="500"] {
  transition-delay: 0.5s;
}

/* Visible state — added by JS IntersectionObserver */
[data-animate].is-visible {
  opacity: 1;
  transform: none;
}

/* Respect user motion preferences */
@media (prefers-reduced-motion: reduce) {
  [data-animate] {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
}

/* ============================================================
   HERO BACKGROUND — animated gradient blob
   ============================================================ */
@keyframes blob-move {
  0%,
  100% {
    transform: translate(0, 0) scale(1);
  }
  33% {
    transform: translate(30px, -40px) scale(1.08);
  }
  66% {
    transform: translate(-20px, 20px) scale(0.95);
  }
}

.hero-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
  animation: blob-move 12s ease-in-out infinite;
}

.hero-blob--1 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(46, 244, 223, 0.15) 0%, transparent 70%);
  top: -100px;
  right: -100px;
  animation-duration: 14s;
}

.hero-blob--2 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(0, 120, 200, 0.1) 0%, transparent 70%);
  bottom: -50px;
  left: -50px;
  animation-duration: 10s;
  animation-delay: -5s;
}

/* ============================================================
   HERO GRID PATTERN (subtle)
   ============================================================ */
.hero-grid-pattern {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(46, 244, 223, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(46, 244, 223, 0.03) 1px, transparent 1px);
  background-size: 50px 50px;
  pointer-events: none;
}

/* ============================================================
   PULSE — for CTA buttons or badges
   ============================================================ */
@keyframes pulse-glow {
  0%,
  100% {
    box-shadow: 0 0 0 0 rgba(46, 244, 223, 0.4);
  }
  50% {
    box-shadow: 0 0 0 10px rgba(46, 244, 223, 0);
  }
}

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

/* ============================================================
   SHIMMER — skeleton loading placeholder (optional)
   ============================================================ */
@keyframes shimmer {
  0% {
    background-position: -400px 0;
  }
  100% {
    background-position: 400px 0;
  }
}

.shimmer {
  background: linear-gradient(90deg, var(--color-bg-secondary) 25%, var(--color-bg-tertiary) 50%, var(--color-bg-secondary) 75%);
  background-size: 800px 100%;
  animation: shimmer 1.5s infinite;
}

/* ============================================================
   SPINNER — for form submit state
   ============================================================ */
@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.spinner {
  width: 20px;
  height: 20px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: var(--color-text-inverse);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

/* ============================================================
   FLOATING CTA ARROW on hero
   ============================================================ */
@keyframes bounce-down {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(8px);
  }
}

.scroll-down-arrow {
  animation: bounce-down 1.8s ease-in-out infinite;
}