/**
 * Buttons & CTAs - TecnoMax
 * Estilos para botones de acción (WhatsApp, Comprar, etc.)
 */

/* ============================================
   BOTONES BASE
   ============================================ */

.btn,
button,
input[type="submit"],
input[type="button"],
input[type="reset"],
a.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-xl);
  font-family: var(--font-family-sans);
  font-size: 1rem;
  font-weight: var(--font-weight-semi);
  border: 2px solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  white-space: nowrap;
  min-height: 48px;
  position: relative;
  overflow: hidden;
}

button:disabled,
input[type="submit"]:disabled,
.btn:disabled,
a.btn.disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ============================================
   BOTÓN PRIMARY (Cyan/Secondary)
   ============================================ */

.btn-primary,
.btn-secondary,
.btn {
  background-color: var(--color-secondary);
  color: var(--color-primary-dark);
  border-color: var(--color-secondary);
  font-weight: var(--font-weight-bold);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  font-size: 0.875rem;
}

.btn-primary:hover,
.btn-secondary:hover,
.btn:hover {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 217, 255, 0.3);
}

.btn-primary:active,
.btn-secondary:active,
.btn:active {
  transform: translateY(0);
  box-shadow: 0 4px 12px rgba(0, 217, 255, 0.2);
}

/* Focus state para accesibilidad */
.btn:focus-visible {
  outline: 2px solid var(--color-secondary);
  outline-offset: 2px;
}

/* ============================================
   BOTÓN WHATSAPP (Verde)
   ============================================ */

.btn-whatsapp,
.whatsapp-btn,
a.whatsapp-link {
  background-color: var(--color-success);
  color: white;
  border-color: var(--color-success);
  font-weight: var(--font-weight-bold);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  font-size: 0.875rem;
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.btn-whatsapp:hover,
.whatsapp-btn:hover,
a.whatsapp-link:hover {
  background-color: #1fb555;
  border-color: #1fb555;
  color: white;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.4);
}

.btn-whatsapp:active,
.whatsapp-btn:active,
a.whatsapp-link:active {
  transform: translateY(0);
  box-shadow: 0 4px 12px rgba(37, 211, 102, 0.3);
}

/* WhatsApp icon */
.btn-whatsapp::before,
.whatsapp-btn::before,
a.whatsapp-link::before {
  content: '💬';
  display: inline-block;
  margin-right: var(--spacing-xs);
}

/* ============================================
   BOTÓN COMPRAR (Oro/Accent)
   ============================================ */

.btn-buy,
.btn-checkout,
.add-to-cart {
  background-color: var(--color-accent);
  color: var(--color-primary-dark);
  border-color: var(--color-accent);
  font-weight: var(--font-weight-bold);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  font-size: 0.875rem;
}

.btn-buy:hover,
.btn-checkout:hover,
.add-to-cart:hover {
  background-color: var(--color-accent-dark);
  border-color: var(--color-accent-dark);
  color: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(255, 184, 0, 0.3);
}

.btn-buy:active,
.btn-checkout:active,
.add-to-cart:active {
  transform: translateY(0);
  box-shadow: 0 4px 12px rgba(255, 184, 0, 0.2);
}

/* Cart icon */
.add-to-cart::before {
  content: '🛒';
  display: inline-block;
  margin-right: var(--spacing-xs);
}

/* ============================================
   BOTÓN OUTLINE
   ============================================ */

.btn-outline {
  background-color: transparent;
  color: var(--color-secondary);
  border-color: var(--color-secondary);
}

.btn-outline:hover {
  background-color: rgba(0, 217, 255, 0.1);
  border-color: var(--color-accent);
  color: var(--color-accent);
  box-shadow: 0 0 20px rgba(0, 217, 255, 0.2);
}

/* ============================================
   BOTÓN GHOST (Sin fondo)
   ============================================ */

.btn-ghost {
  background-color: transparent;
  color: var(--color-text-primary);
  border-color: transparent;
}

.btn-ghost:hover {
  background-color: rgba(0, 217, 255, 0.1);
  color: var(--color-secondary);
  border-color: var(--color-secondary);
}

/* ============================================
   TAMAÑOS DE BOTONES
   ============================================ */

.btn-sm {
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: 0.75rem;
  min-height: 40px;
}

.btn-lg {
  padding: var(--spacing-lg) var(--spacing-2xl);
  font-size: 1.125rem;
  min-height: 56px;
}

.btn-xl {
  padding: var(--spacing-xl) var(--spacing-3xl);
  font-size: 1.25rem;
  min-height: 64px;
  width: 100%;
  display: flex;
}

/* ============================================
   BUTTON GROUPS
   ============================================ */

.btn-group {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.btn-group-vertical {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.btn-group .btn {
  flex: 1;
  min-width: 150px;
}

/* ============================================
   BOTONES CON ICONOS
   ============================================ */

.btn-icon {
  width: 48px;
  height: 48px;
  padding: 0;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.btn-icon-left::before {
  margin-right: var(--spacing-sm);
}

.btn-icon-right::after {
  margin-left: var(--spacing-sm);
}

/* ============================================
   BOTÓN CON ANIMACIÓN LOADING
   ============================================ */

.btn.loading {
  pointer-events: none;
  opacity: 0.7;
}

.btn.loading::after {
  content: '';
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid currentColor;
  border-right-color: transparent;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ============================================
   BOTONES FLOTANTES
   ============================================ */

.btn-floating {
  position: fixed;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  z-index: 999;
  box-shadow: var(--shadow-lg);
  animation: slideIn 0.3s ease-out;
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.btn-floating-bottom-right {
  bottom: var(--spacing-lg);
  right: var(--spacing-lg);
}

.btn-floating-bottom-left {
  bottom: var(--spacing-lg);
  left: var(--spacing-lg);
}

.btn-floating:hover {
  transform: scale(1.1);
}

/* ============================================
   LINK BUTTONS
   ============================================ */

a.btn,
a.btn-primary,
a.btn-whatsapp,
a.btn-buy {
  display: inline-flex;
  text-decoration: none;
}

/* ============================================
   RESPONSIVE BUTTONS
   ============================================ */

@media (max-width: 767px) {
  .btn {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
  }

  .btn-group {
    flex-direction: column;
  }

  .btn-group .btn {
    width: 100%;
    min-width: auto;
  }

  .btn-xl {
    width: 100%;
  }
}

/* ============================================
   CTA SECTION (Call To Action)
   ============================================ */

.cta-section {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  padding: var(--spacing-3xl) var(--spacing-md);
  text-align: center;
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
}

.cta-section h2 {
  color: var(--color-secondary);
  margin-bottom: var(--spacing-lg);
  text-shadow: 0 0 10px rgba(0, 217, 255, 0.2);
}

.cta-section p {
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-2xl);
  font-size: 1.125rem;
}

.cta-buttons {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
}

@media (max-width: 767px) {
  .cta-buttons {
    flex-direction: column;
  }

  .cta-buttons .btn {
    width: 100%;
  }
}