/* ============================================
   WHATSAPP FAB + MODAL · efecto wow al aparecer
   ============================================ */

/* ────────── FAB ────────── */
.wa-fab {
  position: fixed;
  right: clamp(1rem, 3vw, 1.75rem);
  bottom: clamp(1rem, 3vw, 1.75rem);
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background-color: var(--color-whatsapp);
  color: white;
  z-index: var(--z-fab);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 12px 28px rgba(37, 211, 102, 0.35),
              0 4px 12px rgba(13, 36, 56, 0.15);
  transition: transform var(--dur-mid) var(--ease-spring),
              background-color var(--dur-mid) var(--ease-out),
              box-shadow var(--dur-mid) var(--ease-out);
  opacity: 0;
  transform: scale(0) rotate(-180deg);
  pointer-events: none;
}

.wa-fab[data-visible="true"] {
  opacity: 1;
  transform: scale(1) rotate(0);
  pointer-events: auto;
  animation: wa-fab-wiggle 600ms var(--ease-spring) 400ms 1;
}

@keyframes wa-fab-wiggle {
  0%, 100% { transform: scale(1) rotate(0); }
  25%      { transform: scale(1.05) rotate(-6deg); }
  75%      { transform: scale(1.05) rotate(6deg); }
}

.wa-fab:hover {
  background-color: var(--color-whatsapp-dark);
  transform: scale(1.08);
  box-shadow: 0 16px 36px rgba(37, 211, 102, 0.45),
              0 6px 16px rgba(13, 36, 56, 0.2);
}
.wa-fab:active { transform: scale(0.95); }

/* Pulso decorativo perpetuo */
.wa-fab__pulse {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background-color: var(--color-whatsapp);
  z-index: -1;
  opacity: 0.5;
  animation: wa-pulse 2.5s ease-out infinite;
}
@keyframes wa-pulse {
  0%   { transform: scale(1); opacity: 0.5; }
  100% { transform: scale(1.7); opacity: 0; }
}

@media (prefers-reduced-motion: reduce) {
  .wa-fab[data-visible="true"] { animation: none; }
  .wa-fab__pulse { animation: none; opacity: 0; }
}

/* ────────── MODAL ────────── */
.wa-modal {
  /* Reset dialog */
  border: none;
  padding: 0;
  background: transparent;
  color: inherit;
  max-width: none;
  max-height: none;
  width: 100%;
  height: 100%;
  margin: 0;
  inset: 0;

  /* Posición fija full-screen */
  position: fixed;
  z-index: var(--z-modal);
}

/* display:grid solo cuando está abierto — evita sobreescribir el
   display:none que el browser aplica al <dialog> cerrado */
.wa-modal[open] {
  display: grid;
  place-items: center;
}

.wa-modal::backdrop {
  background-color: rgba(13, 36, 56, 0.55);
  backdrop-filter: var(--backdrop-modal);
  -webkit-backdrop-filter: var(--backdrop-modal);
  animation: wa-backdrop-in var(--dur-mid) var(--ease-out);
}
@keyframes wa-backdrop-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.wa-modal[open] .wa-modal__inner {
  animation: wa-modal-in 600ms var(--ease-out);
}
@keyframes wa-modal-in {
  from { opacity: 0; transform: translateY(40px) scale(0.96); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

.wa-modal__inner {
  position: relative;
  width: min(420px, 92vw);
  background-color: var(--color-cream-light);
  border-radius: var(--radius-card);
  padding: clamp(1.5rem, 4vw, 2.5rem);
  box-shadow: var(--shadow-xl);
}

.wa-modal__close {
  position: absolute;
  top: var(--space-s);
  right: var(--space-s);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  transition: color var(--dur-fast),
              background-color var(--dur-fast),
              transform var(--dur-fast);
}
.wa-modal__close:hover {
  color: var(--color-primary);
  background-color: var(--color-cream);
  transform: rotate(90deg);
}

.wa-modal__eyebrow {
  font-family: var(--font-body);
  font-size: var(--fs-body-xs);
  font-weight: var(--fw-semibold);
  text-transform: uppercase;
  letter-spacing: var(--ls-wider);
  color: var(--color-whatsapp-dark);
  margin-bottom: var(--space-xs);
}

.wa-modal__title {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 1.875rem);
  font-weight: var(--fw-regular);
  font-variation-settings: 'opsz' 48, 'SOFT' 50;
  color: var(--color-primary);
  margin-bottom: var(--space-l);
}

.wa-modal__options {
  display: grid;
  gap: var(--space-s);
}

.wa-option {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-m);
  padding: var(--space-m) var(--space-l);
  background-color: var(--color-cream-off);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-soft);
  transition: all var(--dur-mid) var(--ease-out);
}

.wa-option:hover {
  border-color: var(--color-whatsapp);
  background-color: white;
  transform: translateX(4px);
  box-shadow: var(--shadow-m);
}

.wa-option__main {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.wa-option__main strong {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: var(--fw-medium);
  color: var(--color-primary);
}
.wa-option__main span {
  font-size: var(--fs-body-s);
  color: var(--color-text-muted);
}

.wa-option__arrow {
  font-size: 1.25rem;
  color: var(--color-coffee);
  transition: transform var(--dur-mid) var(--ease-spring);
}
.wa-option:hover .wa-option__arrow {
  transform: translateX(4px);
  color: var(--color-whatsapp-dark);
}

.wa-modal__note {
  margin-top: var(--space-l);
  text-align: center;
  font-size: var(--fs-body-xs);
  color: var(--color-text-muted);
}