/* ========================================
   Animations
   @keyframes, .reveal class, entrance animations, progress bar
   ======================================== */

/* ----------------------------------------
   KEYFRAMES
   ---------------------------------------- */

/* Fade in + slide up */
@keyframes fade-in-up {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Fade in only */
@keyframes fade-in {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

/* Fade in + scale up */
@keyframes fade-in-scale {
  from {
    opacity: 0;
    transform: scale(0.96);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* Clip-path horizontal wipe reveal */
@keyframes clip-reveal {
  from {
    clip-path: inset(0 100% 0 0);
  }
  to {
    clip-path: inset(0 0% 0 0);
  }
}

/* Scale reveal for stat numbers */
@keyframes scale-reveal {
  from {
    opacity: 0;
    transform: scale(0.8);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* Pulse for NOW OPEN dot */
@keyframes pulse-dot {
  0%, 100% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.4);
    opacity: 0.7;
  }
}

/* Shake for form errors */
@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25%       { transform: translateX(-5px); }
  75%       { transform: translateX(5px); }
}

/* Loader spin */
@keyframes spin {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

/* ----------------------------------------
   SCROLL REVEAL SYSTEM
   ---------------------------------------- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity var(--duration-slow) var(--ease-out),
              transform var(--duration-slow) var(--ease-out);
}

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

/* Clip-path reveal for section titles */
.reveal--clip {
  opacity: 0;
  clip-path: inset(0 100% 0 0);
  transition: clip-path 600ms var(--ease-brand),
              opacity 400ms var(--ease-out);
}

.reveal--clip.is-visible {
  opacity: 1;
  clip-path: inset(0 0% 0 0);
}

/* Scale reveal for stat numbers */
.reveal--scale {
  opacity: 0;
  transform: scale(0.8);
  transition: opacity 400ms var(--ease-out),
              transform 400ms var(--ease-out);
}

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

/* Fade only (no movement) */
.reveal--fade {
  opacity: 0;
  transition: opacity var(--duration-slow) var(--ease-out);
}

.reveal--fade.is-visible {
  opacity: 1;
}

/* ----------------------------------------
   STAGGER REVEAL (for groups)
   ---------------------------------------- */
.reveal-group .reveal:nth-child(1) { transition-delay: 0ms; }
.reveal-group .reveal:nth-child(2) { transition-delay: 80ms; }
.reveal-group .reveal:nth-child(3) { transition-delay: 160ms; }
.reveal-group .reveal:nth-child(4) { transition-delay: 240ms; }
.reveal-group .reveal:nth-child(5) { transition-delay: 320ms; }
.reveal-group .reveal:nth-child(6) { transition-delay: 400ms; }
.reveal-group .reveal:nth-child(7) { transition-delay: 480ms; }

/* Process steps stagger */
.process__steps.reveal-group .reveal:nth-child(1) { transition-delay: 0ms; }
.process__steps.reveal-group .reveal:nth-child(2) { transition-delay: 120ms; }
.process__steps.reveal-group .reveal:nth-child(3) { transition-delay: 240ms; }

/* ----------------------------------------
   FORM STATES
   ---------------------------------------- */
.field--error {
  animation: shake 400ms var(--ease-in-out);
}

.btn__loader {
  animation: spin 1s linear infinite;
}

/* ----------------------------------------
   PREFERS REDUCED MOTION
   ---------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .reveal,
  .reveal--clip,
  .reveal--scale,
  .reveal--fade {
    opacity: 1 !important;
    transform: none !important;
    clip-path: none !important;
  }

  .now-open,
  .back-to-top {
    transition: none !important;
  }
}