/* ============================================================
   SKY JIU JITSU - Scroll Animations & Transitions (V2.1)
   ============================================================ */

/* ---- Reveal Base ---- */

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition:
    opacity var(--duration-journey) var(--ease-out),
    transform var(--duration-journey) var(--ease-out);
}

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

/* ---- Reveal Variants ---- */

.reveal--left {
  transform: translateX(-40px);
}

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

.reveal--right {
  transform: translateX(40px);
}

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

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

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

.reveal--fade {
  transform: none;
}

.reveal--fade.is-visible {
  transform: none;
}

/* ---- Stagger Children (200ms increments - nodeplain.com style) ---- */

.reveal-stagger > * {
  opacity: 0;
  transform: translateY(20px);
  transition:
    opacity 0.6s var(--ease-out),
    transform 0.6s var(--ease-out);
}

.reveal-stagger.is-visible > *:nth-child(1) { transition-delay: 0ms; }
.reveal-stagger.is-visible > *:nth-child(2) { transition-delay: 200ms; }
.reveal-stagger.is-visible > *:nth-child(3) { transition-delay: 400ms; }
.reveal-stagger.is-visible > *:nth-child(4) { transition-delay: 600ms; }
.reveal-stagger.is-visible > *:nth-child(5) { transition-delay: 800ms; }
.reveal-stagger.is-visible > *:nth-child(6) { transition-delay: 1000ms; }

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

/* ---- Staggered Fade-In (CSS-only, page-load) ---- */

.animate-fade-in {
  animation: fadeInUp 0.6s var(--ease-out) forwards;
}

.animate-fade-in-delay-1 {
  opacity: 0;
  animation: fadeInUp 0.6s var(--ease-out) 0.2s forwards;
}

.animate-fade-in-delay-2 {
  opacity: 0;
  animation: fadeInUp 0.6s var(--ease-out) 0.4s forwards;
}

.animate-fade-in-delay-3 {
  opacity: 0;
  animation: fadeInUp 0.6s var(--ease-out) 0.6s forwards;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ---- Hero Animations ---- */

@keyframes heroFadeUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes heroFadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-40px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* ---- Typography Reveal (Clip Path) ---- */

@keyframes clipReveal {
  from {
    clip-path: inset(0 100% 0 0);
  }
  to {
    clip-path: inset(0 0 0 0);
  }
}

.text-reveal {
  animation: clipReveal 1s var(--ease-out) forwards;
}

/* ---- Decorative Float ---- */

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

/* ---- Pulse ---- */

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

/* ---- Line Draw ---- */

@keyframes drawLine {
  from { width: 0; }
  to   { width: 60px; }
}

.line-draw {
  animation: drawLine 0.6s var(--ease-out) forwards;
}

/* ---- Card Hover Lift (softer for light theme) ---- */

.hover-lift {
  transition: transform var(--duration-normal) var(--ease-out),
              box-shadow var(--duration-normal) var(--ease-out);
}

.hover-lift:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* ---- Image Zoom ---- */

.hover-zoom {
  overflow: hidden;
}

.hover-zoom img {
  transition: transform var(--duration-slow) var(--ease-out);
}

.hover-zoom:hover img {
  transform: scale(1.05);
}

/* ---- Parallax Helper (JS-driven) ---- */

.parallax {
  will-change: transform;
}

/* ---- Reduce Motion ---- */

@media (prefers-reduced-motion: reduce) {
  .reveal,
  .reveal--left,
  .reveal--right,
  .reveal--scale,
  .reveal--fade,
  .reveal-stagger > * {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .stepper.is-animating .stepper__card,
  .stepper.is-animating .stepper__number-circle {
    opacity: 1;
    transform: none;
    transition: none;
  }

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

  .hover-zoom:hover img {
    transform: none;
  }

  .animate-fade-in,
  .animate-fade-in-delay-1,
  .animate-fade-in-delay-2,
  .animate-fade-in-delay-3 {
    opacity: 1;
    animation: none;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}