/* ===== Fade-up base ===== */
.fade-up {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* ===== Stagger delays (nth-child) ===== */
.fade-up:nth-child(1) { transition-delay: 0s; }
.fade-up:nth-child(2) { transition-delay: 0.1s; }
.fade-up:nth-child(3) { transition-delay: 0.2s; }
.fade-up:nth-child(4) { transition-delay: 0.3s; }
.fade-up:nth-child(5) { transition-delay: 0.4s; }
.fade-up:nth-child(6) { transition-delay: 0.5s; }
.fade-up:nth-child(7) { transition-delay: 0.6s; }
.fade-up:nth-child(8) { transition-delay: 0.7s; }

/* Explicit stagger utilities */
.fade-up--d1 { transition-delay: 0.1s; }
.fade-up--d2 { transition-delay: 0.2s; }
.fade-up--d3 { transition-delay: 0.3s; }
.fade-up--d4 { transition-delay: 0.4s; }
.fade-up--d5 { transition-delay: 0.5s; }

/* ===== Fade-in (opacity only) ===== */
.fade-in {
  opacity: 0;
  transition: opacity 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
}

/* ===== Slide-in from left/right ===== */
.slide-in-left {
  opacity: 0;
  transform: translateX(-48px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.slide-in-right {
  opacity: 0;
  transform: translateX(48px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.slide-in-left.visible,
.slide-in-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* ===== Scale in ===== */
.scale-in {
  opacity: 0;
  transform: scale(0.92);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

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

/* ===== Page transition fade ===== */
@keyframes pageEnter {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pageExit {
  from {
    opacity: 1;
    transform: translateY(0);
  }
  to {
    opacity: 0;
    transform: translateY(-12px);
  }
}

.page-enter {
  animation: pageEnter 0.45s ease forwards;
}

.page-exit {
  animation: pageExit 0.3s ease forwards;
  pointer-events: none;
}

/* ===== Hero entrance ===== */
@keyframes heroFadeUp {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-anim {
  animation: heroFadeUp 0.8s ease forwards;
}

.hero-anim--delay1 { animation-delay: 0.15s; opacity: 0; }
.hero-anim--delay2 { animation-delay: 0.3s; opacity: 0; }
.hero-anim--delay3 { animation-delay: 0.45s; opacity: 0; }
.hero-anim--delay4 { animation-delay: 0.6s; opacity: 0; }

/* ===== Pulse (CTA accent) ===== */
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(192, 57, 43, 0.4); }
  50% { box-shadow: 0 0 0 12px rgba(192, 57, 43, 0); }
}

.pulse {
  animation: pulse 2.5s ease infinite;
}

/* ===== Reduced motion override ===== */
@media (prefers-reduced-motion: reduce) {
  .fade-up,
  .fade-in,
  .slide-in-left,
  .slide-in-right,
  .scale-in {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .hero-anim {
    animation: none;
    opacity: 1;
  }

  .pulse {
    animation: none;
  }

  .page-enter,
  .page-exit {
    animation: none;
  }
}