/* ============================================================
   BLINKUIS — Animations & Scroll Effects
   ============================================================ */

/* --- Fade In Up (default scroll animation) --- */
.fade-in-up {
  opacity: 0;
  transform: translateY(40px);
  filter: blur(4px);
  transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.7s cubic-bezier(0.4, 0, 0.2, 1),
              filter 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.fade-in-up.visible {
  opacity: 1;
  transform: translateY(0);
  filter: blur(0);
}

/* --- Fade In --- */
.fade-in {
  opacity: 0;
  filter: blur(3px);
  transition: opacity 0.6s ease, filter 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  filter: blur(0);
}

/* --- Fade In Left --- */
.fade-in-left {
  opacity: 0;
  transform: translateX(-50px);
  filter: blur(4px);
  transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.7s cubic-bezier(0.4, 0, 0.2, 1),
              filter 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.fade-in-left.visible {
  opacity: 1;
  transform: translateX(0);
  filter: blur(0);
}

/* --- Fade In Right --- */
.fade-in-right {
  opacity: 0;
  transform: translateX(50px);
  filter: blur(4px);
  transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.7s cubic-bezier(0.4, 0, 0.2, 1),
              filter 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.fade-in-right.visible {
  opacity: 1;
  transform: translateX(0);
  filter: blur(0);
}

/* --- Scale In --- */
.scale-in {
  opacity: 0;
  transform: scale(0.85);
  filter: blur(4px);
  transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.6s cubic-bezier(0.4, 0, 0.2, 1),
              filter 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.scale-in.visible {
  opacity: 1;
  transform: scale(1);
  filter: blur(0);
}

/* --- Stagger delays for children --- */
.stagger-children > *:nth-child(1) { transition-delay: 0ms; }
.stagger-children > *:nth-child(2) { transition-delay: 120ms; }
.stagger-children > *:nth-child(3) { transition-delay: 240ms; }
.stagger-children > *:nth-child(4) { transition-delay: 360ms; }
.stagger-children > *:nth-child(5) { transition-delay: 480ms; }
.stagger-children > *:nth-child(6) { transition-delay: 600ms; }

/* --- Hero entrance animation --- */
.hero-enter {
  opacity: 0;
  transform: translateY(30px);
  filter: blur(6px);
}

.hero-enter.animate {
  animation: heroFadeIn 1s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.hero-enter:nth-child(1) { animation-delay: 200ms; }
.hero-enter:nth-child(2) { animation-delay: 400ms; }
.hero-enter:nth-child(3) { animation-delay: 600ms; }
.hero-enter:nth-child(4) { animation-delay: 800ms; }

@keyframes heroFadeIn {
  to {
    opacity: 1;
    transform: translateY(0);
    filter: blur(0);
  }
}

/* --- Hero parallax background --- */
.hero__bg img {
  will-change: transform;
  transition: transform 0.1s linear;
}

/* --- Image load fade --- */
.img-fade {
  opacity: 0;
  transform: scale(1.03);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.img-fade.loaded {
  opacity: 1;
  transform: scale(1);
}

/* --- Floating steam particles (decorative) --- */
@keyframes steamFloat {
  0% {
    opacity: 0;
    transform: translateY(0) scale(0.8);
  }
  20% {
    opacity: 0.6;
  }
  80% {
    opacity: 0.3;
  }
  100% {
    opacity: 0;
    transform: translateY(-120px) scale(1.3) translateX(20px);
  }
}

.steam-particle {
  position: absolute;
  width: 20px;
  height: 20px;
  background: radial-gradient(circle, rgba(168, 219, 240, 0.4) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  animation: steamFloat 4s ease-in-out infinite;
}

.steam-particle:nth-child(1) { left: 10%; animation-delay: 0s; animation-duration: 3.5s; }
.steam-particle:nth-child(2) { left: 30%; animation-delay: 0.8s; animation-duration: 4.2s; }
.steam-particle:nth-child(3) { left: 50%; animation-delay: 1.5s; animation-duration: 3.8s; }
.steam-particle:nth-child(4) { left: 70%; animation-delay: 2.2s; animation-duration: 4.5s; }
.steam-particle:nth-child(5) { left: 85%; animation-delay: 0.5s; animation-duration: 3.2s; }

/* --- Counter animation (used by JS) --- */
.counter {
  font-family: var(--font-display);
  font-size: var(--fs-h1);
  font-weight: var(--fw-extrabold);
  color: var(--color-primary);
  line-height: 1;
}

/* --- Link underline animation --- */
.animated-link {
  position: relative;
  display: inline-block;
}

.animated-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: currentColor;
  transition: width 0.3s ease;
}

.animated-link:hover::after {
  width: 100%;
}

/* --- Pulse (for accents) --- */
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}

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

/* --- Section wave gentle move --- */
@keyframes waveGently {
  0%, 100% { transform: translateX(0); }
  50% { transform: translateX(-15px); }
}

.wave-animate {
  animation: waveGently 8s ease-in-out infinite;
}

/* --- USP icon hover bounce --- */
@keyframes iconBounce {
  0%, 100% { transform: translateY(0); }
  40% { transform: translateY(-8px); }
  60% { transform: translateY(-4px); }
}

.usp-item:hover .usp-item__icon {
  animation: iconBounce 0.5s ease;
}

.usp-item {
  transition: transform 0.3s ease;
  cursor: default;
}

.usp-item:hover {
  transform: translateY(-4px);
}

/* --- Feature card icon glow on hover --- */
.feature-card:hover .feature-card__icon {
  background-color: var(--color-accent);
  color: var(--color-white);
  transform: scale(1.1);
}

.feature-card__icon {
  transition: background-color 0.3s ease, color 0.3s ease, transform 0.3s ease;
}

/* --- CTA section shimmer --- */
@keyframes shimmer {
  0% { background-position: -200% center; }
  100% { background-position: 200% center; }
}

.cta-section h2 {
  background: linear-gradient(
    90deg,
    var(--color-white) 0%,
    var(--color-white) 40%,
    var(--color-accent-light) 50%,
    var(--color-white) 60%,
    var(--color-white) 100%
  );
  background-size: 200% auto;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: shimmer 4s ease-in-out infinite;
}

/* --- Service card image overlay on hover --- */
.service-card__image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10, 37, 64, 0.15), transparent);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.service-card:hover .service-card__image::after {
  opacity: 1;
}

/* --- Subtle gradient shift on sections --- */
@keyframes gradientShift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

/* --- Label accent line --- */
.section-header .label {
  position: relative;
  display: inline-block;
  padding-bottom: var(--space-xs);
}

.section-header .label::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: 40px;
  height: 2px;
  background-color: var(--color-accent);
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.section-header.visible .label::before,
.fade-in-up.visible .label::before {
  transform: translateX(-50%) scaleX(1);
}

/* --- Reduce motion for accessibility --- */
@media (prefers-reduced-motion: reduce) {
  .fade-in-up,
  .fade-in,
  .fade-in-left,
  .fade-in-right,
  .scale-in,
  .hero-enter {
    opacity: 1;
    transform: none;
    filter: none;
    transition: none;
    animation: none;
  }

  .img-fade {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .cta-section h2 {
    animation: none;
    -webkit-text-fill-color: var(--color-white);
  }
}