/**
 * ═══════════════════════════════════════════════════════════════
 * CONTACT CHANNELS - Diseño Moderno E-commerce
 * ═══════════════════════════════════════════════════════════════
 *
 * Grid de 3 tarjetas premium con información de contacto
 * - WhatsApp (verde)
 * - Email (azul)
 * - Teléfono (naranja)
 *
 * Diseño minimalista y profesional para tienda online
 * Compatible con dark mode y responsive (3 → 2 → 1 columnas)
 */

/* ═══════════════════════════════════════════════════════════════
   CONTENEDOR PRINCIPAL
   ═══════════════════════════════════════════════════════════════ */

.contact-channels-container {
  width: 100%;
  max-width: var(--container-normal);
  margin: 0 auto;
  padding: 0 2rem;
}

.contact-channels-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 3rem;
}

/* ═══════════════════════════════════════════════════════════════
   TARJETA BASE - DISEÑO MODERNO
   ═══════════════════════════════════════════════════════════════ */

.contact-card {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 2.5rem 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 1.5rem;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05),
              0 2px 4px -1px rgba(0, 0, 0, 0.03);
  position: relative;
  overflow: hidden;
  cursor: pointer;
}

/* Gradiente de fondo sutil */
.contact-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at top right, currentColor 0%, transparent 70%);
  opacity: 0.03;
  pointer-events: none;
  transition: opacity 0.4s ease;
  z-index: 0;
}

.contact-card:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.08),
              0 10px 10px -5px rgba(0, 0, 0, 0.04);
  border-color: currentColor;
}

.contact-card:hover::after {
  opacity: 0.06;
}

/* Contenido encima del gradiente */
.contact-card > * {
  position: relative;
  z-index: 1;
}

/* ═══════════════════════════════════════════════════════════════
   ICONOS - MODERNOS Y GRANDES
   ═══════════════════════════════════════════════════════════════ */

.contact-card-icon {
  width: 88px;
  height: 88px;
  border-radius: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  flex-shrink: 0;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.contact-card:hover .contact-card-icon {
  transform: scale(1.1) rotate(5deg);
}

.contact-card-icon svg {
  width: 44px;
  height: 44px;
  position: relative;
  z-index: 2;
  transition: all 0.3s ease;
}

.contact-card:hover .contact-card-icon svg {
  transform: scale(1.05);
}

/* ═══════════════════════════════════════════════════════════════
   CONTENIDO - TIPOGRAFÍA MODERNA
   ═══════════════════════════════════════════════════════════════ */

.contact-card-title {
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.contact-card-features {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
  width: 100%;
}

.contact-card-feature {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  text-align: left;
}

.contact-card-feature svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  margin-top: 0.15rem;
  stroke: currentColor;
  opacity: 0.8;
}

.contact-card-feature span {
  flex: 1;
}

/* ═══════════════════════════════════════════════════════════════
   BOTONES CTA - DISEÑO PREMIUM
   ═══════════════════════════════════════════════════════════════ */

.contact-card-link {
  font-size: 0.9375rem;
  font-weight: 600;
  color: #ffffff;
  text-decoration: none;
  padding: 0.875rem 1.75rem;
  border-radius: 12px;
  border: none;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.625rem;
  width: 100%;
  letter-spacing: 0.01em;
  position: relative;
  overflow: hidden;
}

/* Efecto de brillo en hover */
.contact-card-link::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.5s ease;
}

.contact-card-link:hover::before {
  left: 100%;
}

.contact-card-link:hover {
  transform: translateY(-2px);
  filter: brightness(1.1);
}

.contact-card-link:active {
  transform: translateY(0);
}

.contact-card-link svg {
  width: 18px;
  height: 18px;
  stroke: #ffffff;
  fill: none;
}

/* ═══════════════════════════════════════════════════════════════
   TEMÁTICAS DE COLORES - PALETA MODERNA
   ═══════════════════════════════════════════════════════════════ */

/* WhatsApp - Verde Vibrante */
.contact-card-whatsapp {
  color: #10b981;
}

.contact-card-whatsapp .contact-card-icon {
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
  box-shadow: 0 8px 16px -4px rgba(16, 185, 129, 0.3);
}

.contact-card-whatsapp .contact-card-icon svg {
  fill: #ffffff;
}

.contact-card-whatsapp .contact-card-link {
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
  box-shadow: 0 4px 12px -2px rgba(16, 185, 129, 0.4);
}

.contact-card-whatsapp .contact-card-link:hover {
  box-shadow: 0 10px 20px -5px rgba(16, 185, 129, 0.5);
}

/* Email - Azul Profesional */
.contact-card-email {
  color: #3b82f6;
}

.contact-card-email .contact-card-icon {
  background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
  box-shadow: 0 8px 16px -4px rgba(59, 130, 246, 0.3);
}

.contact-card-email .contact-card-icon svg {
  stroke: #ffffff;
  fill: none;
}

.contact-card-email .contact-card-link {
  background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
  box-shadow: 0 4px 12px -2px rgba(59, 130, 246, 0.4);
}

.contact-card-email .contact-card-link:hover {
  box-shadow: 0 10px 20px -5px rgba(59, 130, 246, 0.5);
}

/* Teléfono - Naranja Cálido */
.contact-card-phone {
  color: #f59e0b;
}

.contact-card-phone .contact-card-icon {
  background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
  box-shadow: 0 8px 16px -4px rgba(245, 158, 11, 0.3);
}

.contact-card-phone .contact-card-icon svg {
  stroke: #ffffff;
  fill: none;
}

.contact-card-phone .contact-card-link {
  background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
  box-shadow: 0 4px 12px -2px rgba(245, 158, 11, 0.4);
}

.contact-card-phone .contact-card-link:hover {
  box-shadow: 0 10px 20px -5px rgba(245, 158, 11, 0.5);
}

/* ═══════════════════════════════════════════════════════════════
   DARK MODE - AJUSTES PREMIUM
   ═══════════════════════════════════════════════════════════════ */

.dark_mode .contact-card {
  background: var(--bg-secondary);
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.2),
              0 2px 4px -1px rgba(0, 0, 0, 0.1);
}

.dark_mode .contact-card:hover {
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.3),
              0 10px 10px -5px rgba(0, 0, 0, 0.2);
}

.dark_mode .contact-card::after {
  opacity: 0.05;
}

.dark_mode .contact-card:hover::after {
  opacity: 0.08;
}

/* Iconos en dark mode - gradientes más intensos */
.dark_mode .contact-card-whatsapp .contact-card-icon {
  box-shadow: 0 8px 16px -4px rgba(16, 185, 129, 0.4);
}

.dark_mode .contact-card-email .contact-card-icon {
  box-shadow: 0 8px 16px -4px rgba(59, 130, 246, 0.4);
}

.dark_mode .contact-card-phone .contact-card-icon {
  box-shadow: 0 8px 16px -4px rgba(245, 158, 11, 0.4);
}

/* ═══════════════════════════════════════════════════════════════
   RESPONSIVE - MOBILE FIRST
   ═══════════════════════════════════════════════════════════════ */

/* Tablet Grande - 3 columnas se mantiene hasta 900px */
@media (max-width: 900px) {
  .contact-channels-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-top: 2.5rem;
  }

  .contact-card {
    padding: 2rem 1.5rem;
  }

  .contact-card-icon {
    width: 80px;
    height: 80px;
    border-radius: 20px;
  }

  .contact-card-icon svg {
    width: 40px;
    height: 40px;
  }

  .contact-card-title {
    font-size: 1.25rem;
  }
}

/* Mobile */
@media (max-width: 640px) {
  .contact-channels-container {
    padding: 0 1rem;
  }

  .contact-channels-grid {
    grid-template-columns: 1fr;
    gap: 1.25rem;
    margin-top: 2rem;
  }

  .contact-card {
    padding: 2rem 1.5rem;
    border-radius: 16px;
  }

  .contact-card:hover {
    transform: translateY(-4px) scale(1);
  }

  .contact-card-icon {
    width: 72px;
    height: 72px;
    border-radius: 18px;
  }

  .contact-card-icon svg {
    width: 36px;
    height: 36px;
  }

  .contact-card-title {
    font-size: 1.125rem;
  }

  .contact-card-feature {
    font-size: 0.85rem;
  }

  .contact-card-link {
    font-size: 0.9rem;
    padding: 0.75rem 1.5rem;
  }

  .contact-card-feature svg {
    width: 16px;
    height: 16px;
  }
}

/* ═══════════════════════════════════════════════════════════════
   ANIMACIONES - FLUIDAS Y PROFESIONALES
   ═══════════════════════════════════════════════════════════════ */

@media (prefers-reduced-motion: reduce) {
  .contact-card,
  .contact-card-icon,
  .contact-card-icon svg,
  .contact-card-link {
    transition: none;
    animation: none;
  }

  .contact-card:hover {
    transform: none;
  }

  .contact-card:hover .contact-card-icon {
    transform: none;
  }

  .contact-card-link:hover {
    transform: none;
  }
}