/* ============================================
   TRANSITIONS.CSS — Step navigation transitions
   ============================================ */

/* --- Step container --- */
#steps-wrapper {
  display: flex;
  width: 100%;
  height: 100dvh;
  will-change: transform;
  transition: transform var(--transition-step);
}

/* Each step fills the viewport */
.step {
  flex: 0 0 100vw;
  width: 100vw;
  height: 100dvh;
  overflow-y: auto;
  overflow-x: hidden;
  -webkit-overflow-scrolling: touch;
  display: flex;
  flex-direction: column;
  position: relative;
}

/* --- Enter / exit states --- */
/* Active step is fully visible — driven by translateX on wrapper */

/* Entering from right */
.step.is-entering {
  animation: stepEnter var(--transition-step) ease forwards;
}

/* Leaving to left */
.step.is-leaving {
  animation: stepLeave var(--transition-step) ease forwards;
}

@keyframes stepEnter {
  from { opacity: 0.6; }
  to   { opacity: 1; }
}

@keyframes stepLeave {
  from { opacity: 1; }
  to   { opacity: 0.6; }
}

/* --- Progress bar --- */
#progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  height: var(--progress-h);
  background: var(--color-oro);
  transition: width var(--transition-step);
  z-index: 100;
  pointer-events: none;
}

/* --- Progress dots (mobile) --- */
#progress-dots {
  position: fixed;
  bottom: var(--space-6);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: var(--space-2);
  z-index: 100;
  pointer-events: none;
}

.progress-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-arena);
  opacity: 0.3;
  transition: opacity var(--transition-fast), background var(--transition-fast);
}

.progress-dot.is-active {
  background: var(--color-oro);
  opacity: 1;
}

.progress-dot.is-done {
  background: var(--color-arena);
  opacity: 0.6;
}

/* --- Navigation buttons --- */
.btn-continuar {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: var(--tap-min);
  padding: var(--space-4) var(--space-8);
  background: var(--color-oro);
  color: var(--color-negro);
  border-radius: var(--glass-radius);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  width: 100%;
  transition: background var(--transition-fast), color var(--transition-fast);
  -webkit-tap-highlight-color: transparent;
}

.btn-continuar:active {
  background: var(--color-arena);
}

.btn-volver {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: var(--tap-min);
  padding: var(--space-3) var(--space-6);
  background: transparent;
  color: var(--color-arena);
  font-family: var(--font-body);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  -webkit-tap-highlight-color: transparent;
  transition: color var(--transition-fast);
}

.btn-volver:active {
  color: var(--color-crema);
}

/* Desktop button tweaks */
@media (min-width: 768px) {
  .btn-continuar {
    width: auto;
    min-width: 220px;
  }
}