/* ==========================================================================
   FUEGO & CARBÓN / FUEGO SMASH — HOJA DE ESTILOS PRINCIPAL (styles.css)
   Sector A: Hamburguesería Gourmet de Alta Gama
   Diseño Responsive Mobile-First • WCAG 2.1 AA • Microinteracciones
   ========================================================================== */

@import url('variables.css');

/* --------------------------------------------------------------------------
   RESET Y BASE ACCESIBLE
   -------------------------------------------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--bg-app);
  color: var(--text-primary);
  font-family: var(--font-body);
  line-height: 1.6;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background-color var(--duration-normal) var(--ease-out-expo),
              color var(--duration-normal) var(--ease-out-expo);
}

body {
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-color: var(--bg-app);
}

main {
  flex: 1 0 auto;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--duration-fast) ease, border-color var(--duration-fast) ease;
}

button {
  cursor: pointer;
  border: none;
  outline: none;
  background: none;
  font-family: inherit;
  font-size: inherit;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

ul, ol {
  list-style: none;
}

/* Indicador de Foco Visible de Alto Contraste (WCAG 2.1 AA) */
:focus-visible {
  outline: 3px solid var(--color-fire);
  outline-offset: 3px;
  border-radius: var(--radius-xs);
}

/* Contenedores Estándar */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.25rem;
}

.container-narrow {
  width: 100%;
  max-width: var(--container-narrow);
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* --------------------------------------------------------------------------
   TOP ANNOUNCEMENT MARQUEE BAR (EN VIVO CON PULSE GREEN)
   -------------------------------------------------------------------------- */
.top-bar {
  background: linear-gradient(90deg, #991b1b, #c2410c, #991b1b);
  background-size: 200% 100%;
  animation: marqueeShimmer 8s ease infinite;
  color: #ffffff;
  padding: 0.5rem 1rem;
  font-size: var(--text-xs);
  font-weight: 600;
  position: sticky;
  top: 0;
  z-index: 200;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.35);
}

@keyframes marqueeShimmer {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

.top-bar-content {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  text-align: center;
  flex-wrap: wrap;
}

.pulse-dot {
  width: 10px;
  height: 10px;
  background-color: #22c55e;
  border-radius: 50%;
  display: inline-block;
  box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.7);
  animation: pulseGreen 1.8s infinite;
  flex-shrink: 0;
}

@keyframes pulseGreen {
  0% {
    transform: scale(0.95);
    box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.7);
  }
  70% {
    transform: scale(1);
    box-shadow: 0 0 0 8px rgba(34, 197, 94, 0);
  }
  100% {
    transform: scale(0.95);
    box-shadow: 0 0 0 0 rgba(34, 197, 94, 0);
  }
}

/* --------------------------------------------------------------------------
   HEADER PRINCIPAL & NAVEGACIÓN
   -------------------------------------------------------------------------- */
.main-header {
  position: sticky;
  top: var(--topbar-height);
  z-index: 150;
  background: var(--bg-glass);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-subtle);
  transition: background-color var(--duration-normal) var(--ease-out-expo),
              border-color var(--duration-normal) var(--ease-out-expo);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
  gap: 1.5rem;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.35rem;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  text-transform: uppercase;
}

.brand-logo svg {
  width: 32px;
  height: 32px;
  fill: var(--color-fire);
  filter: drop-shadow(0 0 8px hsla(15, 85%, 50%, 0.5));
}

.brand-logo span {
  color: var(--color-mustard);
}

/* Navegación Desktop */
.nav-desktop {
  display: none;
  align-items: center;
  gap: 0.4rem;
}

@media (min-width: 1024px) {
  .nav-desktop {
    display: flex;
  }
}

.nav-link {
  padding: 0.55rem 0.85rem;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  position: relative;
  transition: color var(--duration-fast) ease, background-color var(--duration-fast) ease;
}

.nav-link:hover {
  color: var(--text-primary);
  background-color: var(--bg-surface-hover);
}

.nav-link.active {
  color: var(--color-mustard);
  background-color: var(--bg-surface-elevated);
  font-weight: 700;
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 20%;
  right: 20%;
  height: 2px;
  background-color: var(--color-fire);
  border-radius: var(--radius-full);
}

/* Acciones en la Cabecera */
.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* Selector de Tema */
.theme-toggle-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: var(--radius-full);
  background-color: var(--bg-surface);
  border: 1px solid var(--border-medium);
  color: var(--text-primary);
  transition: transform var(--duration-fast) var(--ease-spring),
              background-color var(--duration-fast) ease,
              border-color var(--duration-fast) ease;
}

.theme-toggle-btn:hover {
  transform: scale(1.08);
  border-color: var(--color-mustard);
}

.theme-toggle-btn svg {
  width: 20px;
  height: 20px;
}

/* Iconos dinámicos de tema */
[data-theme="dark"] .icon-moon { display: none; }
[data-theme="dark"] .icon-sun { display: block; fill: var(--color-mustard); }
[data-theme="light"] .icon-sun { display: none; }
[data-theme="light"] .icon-moon { display: block; fill: var(--color-fire); }

/* Botón Carrito */
.cart-button-trigger {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  background: linear-gradient(135deg, var(--color-fire), var(--color-ember));
  color: #ffffff;
  padding: 0.6rem 1.1rem;
  border-radius: var(--radius-full);
  font-weight: 700;
  font-size: var(--text-sm);
  box-shadow: var(--shadow-glow-fire);
  transition: transform var(--duration-fast) var(--ease-spring),
              filter var(--duration-fast) ease;
}

.cart-button-trigger:hover {
  transform: translateY(-2px) scale(1.02);
  filter: brightness(1.1);
}

.cart-button-trigger svg {
  width: 18px;
  height: 18px;
}

.cart-badge {
  background-color: #ffffff;
  color: var(--color-fire);
  font-size: 0.75rem;
  font-weight: 900;
  min-width: 20px;
  height: 20px;
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 4px;
}

/* Botón Hamburguesa Móvil */
.mobile-menu-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  background-color: var(--bg-surface);
  border: 1px solid var(--border-medium);
  color: var(--text-primary);
}

@media (min-width: 1024px) {
  .mobile-menu-toggle {
    display: none;
  }
}

/* --------------------------------------------------------------------------
   MENÚ MÓVIL DESPLEGABLE CON FOCUS TRAPPING & ACCESIBILIDAD
   -------------------------------------------------------------------------- */
.mobile-menu-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(6px);
  z-index: 300;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--duration-normal) ease, visibility var(--duration-normal) ease;
}

.mobile-menu-backdrop.is-open {
  opacity: 1;
  visibility: visible;
}

.mobile-menu-drawer {
  position: absolute;
  top: 0;
  right: 0;
  width: min(85vw, 360px);
  height: 100%;
  background: var(--bg-surface);
  border-left: 1px solid var(--border-medium);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform var(--duration-normal) var(--ease-out-expo);
  overflow-y: auto;
}

.mobile-menu-backdrop.is-open .mobile-menu-drawer {
  transform: translateX(0);
}

.mobile-menu-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-subtle);
}

.close-menu-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--bg-surface-elevated);
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}

.mobile-nav-links {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.mobile-nav-link {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  padding: 0.85rem 1rem;
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--text-primary);
  border-radius: var(--radius-md);
  transition: background-color var(--duration-fast) ease;
}

.mobile-nav-link:hover,
.mobile-nav-link.active {
  background-color: var(--bg-surface-hover);
  color: var(--color-mustard);
}

.mobile-menu-footer {
  margin-top: auto;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-subtle);
  font-size: var(--text-xs);
  color: var(--text-muted);
}

/* --------------------------------------------------------------------------
   SLIDE-OVER CARRITO DE COMPRAS & CHECKOUT DIRECTO
   -------------------------------------------------------------------------- */
.cart-drawer-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  z-index: 350;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--duration-normal) ease, visibility var(--duration-normal) ease;
}

.cart-drawer-backdrop.is-open {
  opacity: 1;
  visibility: visible;
}

.cart-drawer {
  position: absolute;
  top: 0;
  right: 0;
  width: min(92vw, 440px);
  height: 100%;
  background: var(--bg-surface);
  border-left: 1px solid var(--border-medium);
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform var(--duration-normal) var(--ease-out-expo);
  box-shadow: var(--shadow-lg);
}

.cart-drawer-backdrop.is-open .cart-drawer {
  transform: translateX(0);
}

.cart-header {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.cart-header h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 800;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--text-primary);
}

.close-cart-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--bg-surface-elevated);
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  transition: background-color var(--duration-fast) ease;
}

.close-cart-btn:hover {
  background: var(--bg-surface-hover);
}

.cart-items-body {
  flex: 1 1 auto;
  overflow-y: auto;
  padding: 1.25rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.cart-empty-state {
  margin: auto 0;
  text-align: center;
  padding: 2rem 1rem;
  color: var(--text-muted);
}

.cart-empty-state svg {
  width: 54px;
  height: 54px;
  margin: 0 auto 1rem;
  stroke: var(--text-muted);
  opacity: 0.5;
}

.cart-item-card {
  display: grid;
  grid-template-columns: 70px 1fr auto;
  gap: 0.85rem;
  align-items: center;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  padding: 0.75rem;
  border-radius: var(--radius-md);
}

.cart-item-thumb {
  width: 70px;
  height: 70px;
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.cart-item-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.cart-item-details h4 {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.3;
}

.cart-item-details .cart-item-notes {
  font-size: 0.75rem;
  color: var(--color-mustard);
  margin-top: 0.2rem;
}

.cart-item-price {
  font-size: var(--text-sm);
  font-weight: 800;
  color: var(--color-fire);
  margin-top: 0.25rem;
}

.cart-item-actions {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.5rem;
}

.cart-stepper {
  display: flex;
  align-items: center;
  background: var(--bg-surface);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.cart-stepper button {
  width: 26px;
  height: 26px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-primary);
  font-weight: 700;
}

.cart-stepper button:hover {
  background: var(--bg-surface-hover);
}

.cart-stepper span {
  padding: 0 0.4rem;
  font-size: 0.85rem;
  font-weight: 700;
}

.cart-item-remove-btn {
  font-size: 0.75rem;
  color: var(--color-danger);
  text-decoration: underline;
  cursor: pointer;
}

/* Footer del Carrito con Checkout */
.cart-footer-checkout {
  border-top: 1px solid var(--border-subtle);
  background: var(--bg-surface);
  padding: 1.25rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  max-height: 50vh;
  overflow-y: auto;
}

.cart-summary-line {
  display: flex;
  justify-content: space-between;
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

.cart-summary-total {
  display: flex;
  justify-content: space-between;
  font-size: var(--text-lg);
  font-weight: 800;
  color: var(--text-primary);
  padding-top: 0.5rem;
  border-top: 1px dashed var(--border-medium);
}

.cart-checkout-form {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  margin-top: 0.5rem;
}

.form-group-input {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  text-align: left;
}

.form-group-input label {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.form-input-field {
  width: 100%;
  padding: 0.6rem 0.85rem;
  border-radius: var(--radius-sm);
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-medium);
  color: var(--text-primary);
  font-family: inherit;
  font-size: var(--text-sm);
  transition: border-color var(--duration-fast) ease, box-shadow var(--duration-fast) ease;
}

.form-input-field:focus {
  border-color: var(--color-fire);
  box-shadow: 0 0 0 3px var(--border-glow);
  outline: none;
}

.btn-whatsapp-order {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  width: 100%;
  background-color: #25d366;
  color: #ffffff;
  padding: 0.85rem 1rem;
  border-radius: var(--radius-md);
  font-weight: 800;
  font-size: var(--text-base);
  box-shadow: 0 4px 14px rgba(37, 211, 102, 0.4);
  transition: transform var(--duration-fast) var(--ease-spring), filter var(--duration-fast) ease;
  margin-top: 0.5rem;
}

.btn-whatsapp-order:hover {
  transform: translateY(-2px);
  filter: brightness(1.08);
}

.btn-whatsapp-order svg {
  width: 22px;
  height: 22px;
  fill: currentColor;
}

/* --------------------------------------------------------------------------
   BOTONES ESTÁNDAR Y ELEMENTOS DE LLAMADA A LA ACCIÓN (CRO)
   -------------------------------------------------------------------------- */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: linear-gradient(135deg, var(--color-fire), var(--color-ember));
  color: #ffffff;
  font-weight: 800;
  font-size: var(--text-base);
  padding: 0.85rem 1.6rem;
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-glow-fire);
  transition: transform var(--duration-fast) var(--ease-spring),
              box-shadow var(--duration-fast) ease,
              filter var(--duration-fast) ease;
  text-align: center;
}

.btn-primary:hover {
  transform: translateY(-2px) scale(1.02);
  filter: brightness(1.08);
  box-shadow: 0 8px 24px hsla(15, 85%, 50%, 0.5);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-medium);
  color: var(--text-primary);
  font-weight: 700;
  font-size: var(--text-base);
  padding: 0.85rem 1.6rem;
  border-radius: var(--radius-full);
  transition: background-color var(--duration-fast) ease,
              border-color var(--duration-fast) ease,
              transform var(--duration-fast) var(--ease-spring);
  text-align: center;
}

.btn-secondary:hover {
  background: var(--bg-surface-hover);
  border-color: var(--color-mustard);
  transform: translateY(-2px);
}

.btn-accent {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: var(--color-mustard);
  color: #111111;
  font-weight: 800;
  font-size: var(--text-base);
  padding: 0.85rem 1.6rem;
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-glow-mustard);
  transition: transform var(--duration-fast) var(--ease-spring), filter var(--duration-fast) ease;
}

.btn-accent:hover {
  transform: translateY(-2px);
  filter: brightness(1.08);
}

/* --------------------------------------------------------------------------
   BANNERS DE URGENCIA, FLASH SALE & CRONÓMETRO EN VIVO
   -------------------------------------------------------------------------- */
.flash-sale-strip {
  background: linear-gradient(135deg, hsl(0, 0%, 12%), hsl(15, 85%, 15%));
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  padding: 1.25rem 0;
}

.flash-sale-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.25rem;
}

.flash-sale-info {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.flash-badge {
  background-color: var(--color-fire);
  color: #ffffff;
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-xs);
  font-weight: 900;
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.countdown-box {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-mono);
}

.countdown-unit {
  background: var(--bg-surface);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-sm);
  padding: 0.4rem 0.65rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 44px;
}

.countdown-unit strong {
  font-size: var(--text-lg);
  font-weight: 800;
  color: var(--color-mustard);
  line-height: 1;
}

.countdown-unit span {
  font-size: 0.65rem;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-top: 0.15rem;
}

.countdown-colon {
  font-size: var(--text-xl);
  font-weight: 900;
  color: var(--color-fire);
}

/* --------------------------------------------------------------------------
   PIE DE PÁGINA INSTITUCIONAL COMPLETO & COMPLIANCE
   -------------------------------------------------------------------------- */
.main-footer {
  background-color: var(--bg-surface);
  border-top: 1px solid var(--border-subtle);
  padding: 4rem 0 2rem;
  margin-top: 4rem;
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  margin-bottom: 3rem;
}

@media (min-width: 640px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
  }
}

.footer-brand-col {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.footer-brand-col p {
  line-height: 1.6;
  max-width: 380px;
}

.footer-social-links {
  display: flex;
  gap: 0.6rem;
  margin-top: 0.5rem;
}

.social-icon-btn {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-medium);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-primary);
  transition: transform var(--duration-fast) var(--ease-spring),
              border-color var(--duration-fast) ease,
              background-color var(--duration-fast) ease;
}

.social-icon-btn:hover {
  transform: translateY(-3px);
  border-color: var(--color-fire);
  background-color: var(--bg-surface-hover);
}

.social-icon-btn svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

.footer-col h4 {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 1.25rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.footer-links a {
  color: var(--text-secondary);
  transition: color var(--duration-fast) ease, transform var(--duration-fast) ease;
  display: inline-block;
}

.footer-links a:hover {
  color: var(--color-mustard);
  transform: translateX(3px);
}

/* Sellos Logísticos y Certificaciones en el Footer */
.footer-trust-seals {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.seals-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.6rem;
}

.seal-pill {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-primary);
}

.seal-pill svg {
  width: 16px;
  height: 16px;
  stroke: var(--color-mustard);
  flex-shrink: 0;
}

.footer-bottom {
  border-top: 1px solid var(--border-subtle);
  padding-top: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  text-align: center;
  font-size: var(--text-xs);
  color: var(--text-muted);
}

@media (min-width: 768px) {
  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

/* --------------------------------------------------------------------------
   BOTÓN FLOTANTE PERMANENTE DE WHATSAPP (CRO 24/7)
   -------------------------------------------------------------------------- */
.floating-whatsapp-btn {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 60px;
  height: 60px;
  background: #25d366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  z-index: 250;
  box-shadow: 0 6px 24px rgba(37, 211, 102, 0.45);
  transition: transform var(--duration-fast) var(--ease-spring), filter var(--duration-fast) ease;
  animation: pulseWhatsApp 3s infinite;
}

.floating-whatsapp-btn:hover {
  transform: scale(1.1);
  filter: brightness(1.08);
}

.floating-whatsapp-btn svg {
  width: 32px;
  height: 32px;
  fill: currentColor;
}

@keyframes pulseWhatsApp {
  0% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7); }
  70% { box-shadow: 0 0 0 16px rgba(37, 211, 102, 0); }
  100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
}

.floating-whatsapp-tooltip {
  position: absolute;
  right: 70px;
  background: var(--bg-surface);
  color: var(--text-primary);
  border: 1px solid var(--border-medium);
  padding: 0.5rem 0.85rem;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  font-weight: 700;
  white-space: nowrap;
  box-shadow: var(--shadow-md);
  pointer-events: none;
  opacity: 0;
  transform: translateX(10px);
  transition: opacity var(--duration-fast) ease, transform var(--duration-fast) ease;
}

.floating-whatsapp-btn:hover .floating-whatsapp-tooltip {
  opacity: 1;
  transform: translateX(0);
}

/* --------------------------------------------------------------------------
   CONTENEDOR DE TOAST NOTIFICATIONS ACCESIBLE
   -------------------------------------------------------------------------- */
.toast-container {
  position: fixed;
  bottom: 96px;
  right: 24px;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  z-index: 400;
  pointer-events: none;
}

.toast-message {
  background: var(--bg-surface);
  color: var(--text-primary);
  border-left: 4px solid var(--color-fire);
  border-top: 1px solid var(--border-subtle);
  border-right: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  padding: 0.85rem 1.25rem;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg);
  font-size: var(--text-sm);
  font-weight: 600;
  pointer-events: auto;
  animation: slideInToast 0.35s var(--ease-spring);
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

@keyframes slideInToast {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}