/* ==========================================================================
   COMPONENTES REUTILIZABLES
   Botones, cards, badges, formularios
   ========================================================================== */

/* ----- Botones ----- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  line-height: 1;
  border-radius: var(--radius-md);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition-base);
  white-space: nowrap;
  text-align: center;
}

.btn-primary {
  background-color: var(--color-brand-primary);
  color: var(--color-white);
}

.btn-primary:hover {
  background-color: var(--color-blue-700);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

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

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

.btn-secondary:hover {
  background-color: var(--color-brand-primary);
  color: var(--color-white);
}

.btn-white {
  background-color: var(--color-white);
  color: var(--color-brand-dark);
}

.btn-white:hover {
  background-color: var(--color-blue-50);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-large {
  padding: var(--space-4) var(--space-8);
  font-size: var(--font-size-lg);
}

/* ----- Badges ----- */
.badge {
  display: inline-block;
  padding: var(--space-2) var(--space-4);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border-radius: var(--radius-full);
  background-color: var(--color-blue-100);
  color: var(--color-brand-dark);
}

.badge-dark {
  background-color: var(--color-brand-primary);
  color: var(--color-white);
}

.badge-light {
  background-color: rgba(255, 255, 255, 0.15);
  color: var(--color-white);
  backdrop-filter: blur(8px);
}

/* ----- Cards ----- */
.card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  transition: all var(--transition-base);
}

.card:hover {
  border-color: var(--color-brand-primary);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.card-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background-color: var(--color-blue-50);
  color: var(--color-brand-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-5);
  transition: all var(--transition-base);
}

.card:hover .card-icon {
  background-color: var(--color-brand-primary);
  color: var(--color-white);
  transform: scale(1.05);
}

.card-icon svg {
  width: 28px;
  height: 28px;
}

.card h3 {
  margin-bottom: var(--space-3);
  color: var(--color-brand-dark);
}

.card p {
  font-size: var(--font-size-sm);
  line-height: var(--line-height-relaxed);
}

/* ----- Grid de cards ----- */
.grid {
  display: grid;
  gap: var(--space-6);
}

.grid-3 {
  grid-template-columns: 1fr;
}

@media (min-width: 640px) {
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .grid-3 {
    grid-template-columns: repeat(3, 1fr);
  }
}

.grid-2 {
  grid-template-columns: 1fr;
}

@media (min-width: 768px) {
  .grid-2 {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ----- WhatsApp flotante ----- */
.whatsapp-float {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  width: 60px;
  height: 60px;
  background-color: var(--color-whatsapp);
  color: var(--color-white);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-xl);
  z-index: 100;
  transition: all var(--transition-base);
  animation: pulse 2s infinite;
}

.whatsapp-float:hover {
  transform: scale(1.1);
  background-color: #1FAD52;
}

.whatsapp-float svg {
  width: 32px;
  height: 32px;
}

@keyframes pulse {
  0%, 100% {
    box-shadow: var(--shadow-xl), 0 0 0 0 rgba(37, 211, 102, 0.5);
  }
  50% {
    box-shadow: var(--shadow-xl), 0 0 0 16px rgba(37, 211, 102, 0);
  }
}

/* ----- Formulario simple ----- */
.form-group {
  margin-bottom: var(--space-5);
}

.form-label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  margin-bottom: var(--space-2);
  color: var(--color-text-primary);
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-size: var(--font-size-base);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  background-color: var(--color-white);
  transition: all var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--color-brand-primary);
  box-shadow: 0 0 0 3px rgba(31, 165, 243, 0.2);
}

.form-textarea {
  min-height: 120px;
  resize: vertical;
}