/* ════════════════════════════════════════
   UTILIDADES
════════════════════════════════════════ */

/* Oculto a la vista, disponible para lectores de pantalla */
.visually-hidden {
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* ════════════════════════════════════════
   BUTTONS
════════════════════════════════════════ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 13px 26px;
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  line-height: 1;
  text-decoration: none;
  cursor: pointer;
  border: 2px solid transparent;
  transition:
    background-color var(--transition-fast),
    color var(--transition-fast),
    border-color var(--transition-fast),
    transform var(--transition-fast),
    box-shadow var(--transition-fast);
  white-space: nowrap;
  user-select: none;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn:active {
  transform: translateY(0);
}

/* WhatsApp */
.btn--whatsapp {
  background-color: var(--color-whatsapp);
  color: var(--color-text);
  border-color: var(--color-whatsapp);
}

.btn--whatsapp:hover {
  background-color: var(--color-whatsapp-hover);
  border-color: var(--color-whatsapp-hover);
  box-shadow: var(--shadow-whatsapp);
}

/* Outline blanco — sobre fondos oscuros */
.btn--outline-white {
  background-color: transparent;
  color: var(--color-text-on-dark);
  border-color: var(--color-on-dark-border);
}

.btn--outline-white:hover {
  background-color: var(--color-on-dark-hover);
  border-color: var(--color-text-on-dark);
}

/* Primary — navy; "Reservar ahora" se enciende en cobre al pasar o enfocar */
.btn--primary {
  background-color: var(--color-primary);
  color: var(--color-text-on-dark);
  border-color: var(--color-primary);
}

.btn--primary:hover,
.btn--primary:focus-visible {
  background-color: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  box-shadow: var(--shadow-primary);
}

/* Light — blanco sobre fotos oscuras (CTA principal del hero) */
.btn--light {
  background-color: var(--color-surface);
  color: var(--color-primary);
  border-color: var(--color-surface);
}

.btn--light:hover,
.btn--light:focus-visible {
  background-color: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  color: var(--color-text-on-dark);
  box-shadow: var(--shadow-md);
}

/* Secondary — outline navy */
.btn--secondary {
  background-color: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn--secondary:hover {
  background-color: var(--color-primary);
  color: var(--color-text-on-dark);
  box-shadow: var(--shadow-primary);
}

/* ════════════════════════════════════════
   NAV
   Transparente solo sobre el hero del inicio; navy sólido con scroll
   y siempre en las páginas internas (.site-header--solid, desde nav.js).
════════════════════════════════════════ */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-nav);
  transition:
    background-color var(--transition-base),
    box-shadow var(--transition-base);
}

.site-header--scrolled,
.site-header--solid,
.site-header--open {
  background-color: var(--color-primary);
  box-shadow: var(--shadow-nav);
}

.nav {
  width: 100%;
}

.nav__container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-padding);
  padding-block: var(--space-xs);
}

/* Logo */
.nav__logo img {
  height: 52px;
  width: 52px;
  border-radius: 50%;
  border: 2px solid var(--color-on-dark-line);
  object-fit: cover;
  object-position: center;
  display: block;
  transition: opacity var(--transition-fast);
}

@media (min-width: 768px) {
  .nav__logo img {
    height: 60px;
    width: 60px;
  }
}

.nav__logo:hover img {
  opacity: 0.85;
}

/* Links — ocultos en mobile */
.nav__links {
  display: none;
  list-style: none;
}

.nav__link {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-on-dark);
  text-decoration: none;
  position: relative;
  transition: color var(--transition-fast);
  white-space: nowrap;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-accent);
  border-radius: 1px;
  transition: width var(--transition-base);
}

.nav__link:hover::after,
.nav__link--active::after {
  width: 100%;
}

/* Hamburger */
.nav__hamburger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: var(--space-xs);
  cursor: pointer;
  background: none;
  border: none;
  border-radius: var(--radius-sm);
  transition: background-color var(--transition-fast);
}

.nav__hamburger:hover {
  background-color: var(--color-on-dark-hover);
}

.nav__hamburger-line {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-text-on-dark);
  border-radius: 1px;
  transition:
    transform var(--transition-base),
    opacity var(--transition-base);
}

/* ── Menú mobile abierto ── */
.site-header--open .nav__hamburger-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.site-header--open .nav__hamburger-line:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.site-header--open .nav__hamburger-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.site-header--open .nav__links {
  display: flex;
  flex-direction: column;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background-color: var(--color-primary);
  padding: var(--space-xs) var(--container-padding) var(--space-md);
  box-shadow: var(--shadow-nav);
  gap: 0;
}

.site-header--open .nav__link {
  display: block;
  font-size: var(--text-base);
  padding-block: 14px;
  border-bottom: 1px solid var(--color-on-dark-line);
}

.site-header--open .nav__link::after {
  display: none;
}

/* Activo: barra cobre (gráfica, 3:1) y texto blanco; el cobre como texto no llega a AA sobre navy */
.site-header--open .nav__link--active {
  padding-left: 12px;
  box-shadow: inset 3px 0 0 var(--color-accent);
}

.site-header--open .nav__link--cta {
  margin-top: var(--space-sm);
  padding: 14px;
  border: none;
  border-radius: var(--radius-md);
  background-color: var(--color-surface);
  color: var(--color-primary);
  text-align: center;
}

/* ── Desktop ── */
@media (min-width: 768px) {
  .nav__hamburger {
    display: none;
  }

  .nav__links {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: var(--space-md);
  }

  .nav__link--cta {
    padding: 10px 18px;
    border: 1.5px solid var(--color-on-dark-border);
    border-radius: var(--radius-md);
    transition:
      color var(--transition-fast),
      border-color var(--transition-fast),
      background-color var(--transition-fast);
  }

  .nav__link--cta::after {
    display: none;
  }

  .nav__link--cta:hover,
  .nav__link--cta:focus-visible {
    background-color: var(--color-accent-hover);
    border-color: var(--color-accent-hover);
  }
}

/* ════════════════════════════════════════
   FLOATING ACTION BUTTONS (FABs)
════════════════════════════════════════ */

.floating-buttons {
  position: fixed;
  bottom: 24px;
  right: 20px;
  z-index: var(--z-fab);
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: center;
  opacity: 0;
  transform: translateY(16px);
  animation: fabEntrance 0.45s ease forwards;
  animation-delay: 1.5s;
}

@keyframes fabEntrance {
  to { opacity: 1; transform: translateY(0); }
}

.fab {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-on-dark);
  text-decoration: none;
  box-shadow: var(--shadow-fab);
  transition:
    transform var(--transition-fast),
    box-shadow var(--transition-fast);
  flex-shrink: 0;
}

.fab:hover {
  transform: scale(1.08) translateY(-2px);
  box-shadow: var(--shadow-fab-hover);
}

.fab--whatsapp {
  background-color: var(--color-whatsapp);
}

.fab--whatsapp:hover {
  background-color: var(--color-whatsapp-hover);
}

.fab--instagram {
  background: var(--gradient-instagram);
}

/* En mobile, solo mostrar WhatsApp */
@media (max-width: 767px) {
  .fab--instagram { display: none; }
}

/* ════════════════════════════════════════
   BARRA "TU PEDIDO" (js/reserva.js)
   Acá y no en reserva.css: esa hoja carga diferida y la barra puede verse al entrar
════════════════════════════════════════ */

.pedido-barra {
  --pedido-barra-alto: 64px;
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: var(--z-fab);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  min-height: var(--pedido-barra-alto);
  padding: 12px var(--space-sm) calc(12px + env(safe-area-inset-bottom));
  background-color: var(--color-primary);
  color: var(--color-text-on-dark);
  font-size: var(--text-sm);
  text-align: left;
  box-shadow: var(--shadow-nav);
  animation: pedidoBarraEntrada var(--transition-base) both;
}

@keyframes pedidoBarraEntrada {
  from { transform: translateY(100%); }
}

.pedido-barra__texto strong {
  font-weight: 700;
}

.pedido-barra__accion {
  flex-shrink: 0;
  padding: 8px 16px;
  border-radius: var(--radius-full);
  background-color: var(--color-accent-hover);
  font-weight: 600;
  transition: background-color var(--transition-fast);
}

.pedido-barra:hover .pedido-barra__accion,
.pedido-barra:focus-visible .pedido-barra__accion {
  background-color: var(--color-surface);
  color: var(--color-primary);
}

.pedido-barra__total {
  white-space: nowrap;
}

/* Mobile: la barra ocupa todo el ancho, así que los botones flotantes suben
   y el final de la página (footer) no queda tapado */
body.hay-pedido {
  padding-bottom: calc(64px + env(safe-area-inset-bottom));
}

.hay-pedido .floating-buttons {
  bottom: calc(64px + 16px + env(safe-area-inset-bottom));
}

/* Desde tablet: píldora centrada, sin tocar los botones flotantes de la derecha */
@media (min-width: 768px) {
  .pedido-barra {
    left: 50%;
    right: auto;
    bottom: 24px;
    width: min(480px, 100% - 2 * 120px);
    padding: 10px 10px 10px var(--space-sm);
    border-radius: var(--radius-full);
    transform: translateX(-50%);
  }

  @keyframes pedidoBarraEntrada {
    from { transform: translate(-50%, calc(100% + 24px)); }
  }

  body.hay-pedido {
    padding-bottom: 0;
  }

  .hay-pedido .floating-buttons {
    bottom: 24px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .pedido-barra { animation: none; }
}

/* ════════════════════════════════════════
   CAMPOS DE FORMULARIO Y TOGGLE
   (modal de reserva y SOS TC)
════════════════════════════════════════ */

.campo {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.campo__label {
  font-size: var(--text-sm);
  font-weight: 500;
}

.campo__req {
  color: var(--color-terra);
}

.campo input,
.campo select {
  width: 100%;
  min-height: 48px;
  padding: 10px 14px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  background-color: var(--color-surface);
  color: var(--color-text);
  font-size: var(--text-base); /* 16px: evita el zoom automático de iOS */
  transition: border-color var(--transition-fast);
}

.campo input:hover,
.campo select:hover {
  border-color: var(--color-text-muted);
}

.campo input:focus-visible,
.campo select:focus-visible {
  border-color: var(--color-glacier);
  outline-offset: 1px;
}

.campo__ayuda {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

/* ── Toggle de vianda ── */
.toggle {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-height: 44px;
  align-self: flex-start;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text);
}

.toggle__switch {
  position: relative;
  flex-shrink: 0;
  width: 44px;
  height: 26px;
  border-radius: var(--radius-full);
  background-color: var(--color-border);
  transition: background-color var(--transition-fast);
}

.toggle__switch::after {
  content: '';
  position: absolute;
  top: 3px;
  left: 3px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background-color: var(--color-surface);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-fast);
}

.toggle[aria-pressed="true"] .toggle__switch {
  background-color: var(--color-glacier);
}

.toggle[aria-pressed="true"] .toggle__switch::after {
  transform: translateX(18px);
}