/* ==========================================================================
   Baterías Brown - Estilos Base y Microinteracciones
   Optimizado para Cloudflare Pages ($0 cost, 100% estático)
   ========================================================================== */

:root {
  --color-primary: #f59e0b;       /* Amarillo / Ámbar industrial */
  --color-primary-dark: #d97706;  /* Ámbar intenso */
  --color-accent: #eab308;        /* Amarillo energía */
  --color-whatsapp: #25d366;      /* Verde oficial WhatsApp */
  --color-whatsapp-hover: #1ebd5a;
  --color-dark: #090d16;          /* Fondo oscuro profundo */
  --color-surface: #111827;       /* Superficie de tarjetas */
  --color-surface-card: #1f2937;  /* Tarjetas elevadas */
  --color-border: #374151;        /* Bordes sutiles */
}

/* Suavizado de desplazamiento */
html {
  scroll-behavior: smooth;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
}

/* Scrollbar personalizada */
::-webkit-scrollbar {
  width: 10px;
}
::-webkit-scrollbar-track {
  background: #090d16;
}
::-webkit-scrollbar-thumb {
  background: #374151;
  border-radius: 5px;
}
::-webkit-scrollbar-thumb:hover {
  background: #f59e0b;
}

/* Efectos de elevación para tarjetas */
.card-hover {
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.25s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.25s ease;
}
.card-hover:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 30px -10px rgba(0, 0, 0, 0.5), 0 0 15px -3px rgba(245, 158, 11, 0.15);
  border-color: rgba(245, 158, 11, 0.5);
}

/* Botón flotante WhatsApp */
.floating-whatsapp {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 50;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
.floating-whatsapp:hover {
  transform: scale(1.08);
}

/* Pulso animado para llamadas a la acción clave */
@keyframes soft-pulse {
  0%, 100% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.04);
  }
}
.animate-soft-pulse {
  animation: soft-pulse 3s infinite ease-in-out;
}

/* Ondas de radar para botón WhatsApp */
@keyframes pulse-ring {
  0% {
    transform: scale(0.95);
    opacity: 0.8;
  }
  50% {
    transform: scale(1.3);
    opacity: 0;
  }
  100% {
    transform: scale(0.95);
    opacity: 0;
  }
}
.whatsapp-radar::before {
  content: '';
  position: absolute;
  inset: -6px;
  border-radius: 9999px;
  background-color: rgba(37, 211, 102, 0.4);
  animation: pulse-ring 2.5s infinite ease-out;
  z-index: -1;
}

/* Brillo metálico para títulos destacados */
.text-gradient-gold {
  background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 50%, #d97706 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.text-gradient-silver {
  background: linear-gradient(135deg, #f3f4f6 0%, #9ca3af 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Estilo para acordeón FAQ */
details summary::-webkit-details-marker {
  display: none;
}
details[open] summary svg.chevron {
  transform: rotate(180deg);
}

/* Selector de pestañas activo */
.tab-btn.active {
  background-color: #f59e0b;
  color: #111827;
  font-weight: 700;
  border-color: #f59e0b;
}


/* Ocultar barra de scroll en carrusel manteniendo navegación */
.no-scrollbar::-webkit-scrollbar {
  display: none;
}
.no-scrollbar {
  -ms-overflow-style: none;
  scrollbar-width: none;
}


/* Animación suave para revelado */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
.animate-fade-in {
  animation: fadeIn 0.3s ease-out forwards;
}

/* ==========================================================================
   Estilos de Impresión y Descarga en PDF para Certificado de Garantía
   Réplica Exacta en 1 Sola Carilla A4 (IAN891.pdf)
   ========================================================================== */
@page {
  size: A4 portrait;
  margin: 6mm 8mm;
}

@media print {
  /* Ocultar ABSOLUTAMENTE toda la interfaz de la web, formularios e introducciones */
  header,
  footer,
  nav,
  aside,
  .floating-whatsapp,
  #store-status-pill,
  #warranty-intro,
  #warranty-search-card,
  #warranty-error,
  #warranty-action-buttons,
  .print\:hidden,
  section:not(#garantias) {
    display: none !important;
    visibility: hidden !important;
    height: 0 !important;
    margin: 0 !important;
    padding: 0 !important;
  }

  html, body {
    background: #ffffff !important;
    color: #111827 !important;
    margin: 0 !important;
    padding: 0 !important;
    width: 100% !important;
    height: auto !important;
    min-height: 0 !important;
    font-size: 11pt !important;
    -webkit-print-color-adjust: exact !important;
    print-color-adjust: exact !important;
  }

  #garantias {
    padding: 0 !important;
    margin: 0 !important;
    border: none !important;
    background: transparent !important;
    display: block !important;
  }

  #garantias > div {
    max-width: 100% !important;
    padding: 0 !important;
    margin: 0 !important;
  }

  #warranty-result-card {
    display: block !important;
    padding: 0 !important;
    margin: 0 !important;
  }

  #printable-certificate {
    background: #ffffff !important;
    border: 1px solid #d1d5db !important;
    box-shadow: none !important;
    padding: 14px 18px !important;
    margin: 0 auto !important;
    width: 100% !important;
    max-width: 194mm !important;
    box-sizing: border-box !important;
    page-break-inside: avoid !important;
    break-inside: avoid !important;
    page-break-after: avoid !important;
    page-break-before: avoid !important;
  }

  /* Mantener colores exactos de IAN891.pdf */
  #printable-certificate .bg-\[\#172b38\] {
    background-color: #172b38 !important;
    color: #ffffff !important;
    -webkit-print-color-adjust: exact !important;
    print-color-adjust: exact !important;
  }

  #printable-certificate .bg-\[\#243f52\] {
    background-color: #243f52 !important;
    color: #ffffff !important;
    -webkit-print-color-adjust: exact !important;
    print-color-adjust: exact !important;
  }

  #printable-certificate .bg-\[\#f4f7f9\] {
    background-color: #f4f7f9 !important;
    -webkit-print-color-adjust: exact !important;
    print-color-adjust: exact !important;
  }

  #printable-certificate .bg-\[\#f8fafc\] {
    background-color: #f8fafc !important;
    color: #111827 !important;
    -webkit-print-color-adjust: exact !important;
    print-color-adjust: exact !important;
  }

  #printable-certificate .border-\[\#e2e8f0\] {
    border-color: #e2e8f0 !important;
  }

  #printable-certificate .border-\[\#385c75\] {
    border-color: #385c75 !important;
  }
}