/* ============================================
   COMPONENTES — Botones, Forms, Cards
   ============================================ */

/* --- BOTONES PREMIUM --- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 14px 32px;
  font-family: var(--font-heading);
  font-size: var(--text-base);
  font-weight: 700;
  border-radius: var(--radius-full);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
  border: 2px solid transparent;
  text-align: center;
  line-height: 1.4;
  position: relative;
  overflow: hidden;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

/* Ripple effect on click */
.btn::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: width 0.6s ease, height 0.6s ease, opacity 0.6s ease;
  opacity: 0;
}

.btn:active::after {
  width: 300px;
  height: 300px;
  opacity: 1;
  transition: 0s;
}

.btn--primary {
  background: linear-gradient(135deg, #17BEBB 0%, #56D9B0 50%, #17BEBB 100%);
  background-size: 200% auto;
  color: var(--privital-white);
  border-color: transparent;
  box-shadow: 0 4px 15px rgba(23, 190, 187, 0.25);
}

.btn--primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 28px rgba(23, 190, 187, 0.4);
  background-position: right center;
}

.btn--primary:active {
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(23, 190, 187, 0.3);
}

/* Glow pulse para CTA principales */
.btn--glow {
  animation: btn-glow 2.5s ease-in-out infinite;
}

@keyframes btn-glow {
  0%, 100% { box-shadow: 0 4px 15px rgba(23, 190, 187, 0.25); }
  50% { box-shadow: 0 4px 30px rgba(23, 190, 187, 0.5), 0 0 60px rgba(23, 190, 187, 0.15); }
}

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

.btn--secondary:hover {
  background: var(--privital-celeste);
  color: var(--privital-white);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(23, 190, 187, 0.25);
}

/* Botón con borde gradiente */
.btn--outline-gradient {
  background: var(--privital-white);
  color: var(--privital-celeste);
  border: none;
  padding: 16px 34px;
  position: relative;
  z-index: 1;
}

.btn--outline-gradient::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-full);
  padding: 2px;
  background: var(--privital-gradient);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  z-index: -1;
}

.btn--outline-gradient:hover {
  background: var(--privital-gradient);
  color: var(--privital-white);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(23, 190, 187, 0.3);
}

/* Botón oscuro premium */
.btn--dark {
  background: linear-gradient(135deg, #0d1b2a 0%, #1a2a3a 100%);
  color: var(--privital-white);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.btn--dark:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.btn--accent {
  background: linear-gradient(135deg, #FF7546 0%, #ff9a76 100%);
  color: var(--privital-white);
  box-shadow: 0 4px 15px rgba(255, 117, 70, 0.25);
}

.btn--accent:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 28px rgba(255, 117, 70, 0.4);
  background-position: right center;
}

.btn--white {
  background: var(--privital-white);
  color: var(--privital-celeste);
  border-color: var(--privital-white);
  box-shadow: 0 4px 12px rgba(255, 255, 255, 0.15);
}

.btn--white:hover {
  background: transparent;
  color: var(--privital-white);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(255, 255, 255, 0.1);
}

/* Botón con icono flecha */
.btn--arrow svg {
  transition: transform 0.3s ease;
}

.btn--arrow:hover svg {
  transform: translateX(4px);
}

.btn--lg {
  padding: 18px 42px;
  font-size: var(--text-lg);
}

.btn--sm {
  padding: 10px 22px;
  font-size: var(--text-sm);
}

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

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
  box-shadow: none !important;
  animation: none !important;
}

/* Spinner de carga en botón */
.btn__spinner {
  display: none;
  width: 20px;
  height: 20px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

.btn--loading .btn__spinner {
  display: inline-block;
}

.btn--loading .btn__text {
  display: none;
}

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

/* --- FORMULARIOS --- */

.form-group {
  margin-bottom: var(--space-lg);
}

.form-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: var(--space-xs);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 12px 16px;
  font-size: var(--text-base);
  color: var(--text-primary);
  background: var(--privital-white);
  border: 1.5px solid var(--border-light);
  border-radius: var(--radius-sm);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--privital-celeste);
  box-shadow: 0 0 0 3px rgba(23, 190, 187, 0.15);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--text-muted);
}

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 24 24' fill='none' stroke='%2394A3B8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 40px;
}

.form-textarea {
  resize: vertical;
  min-height: 80px;
}

/* Estados de error */
.form-group--error .form-input,
.form-group--error .form-select,
.form-group--error .form-textarea {
  border-color: var(--color-error);
}

.form-group--error .form-input:focus,
.form-group--error .form-select:focus {
  box-shadow: 0 0 0 3px rgba(231, 76, 60, 0.15);
}

.form-error {
  display: none;
  font-size: var(--text-sm);
  color: var(--color-error);
  margin-top: var(--space-xs);
}

.form-group--error .form-error {
  display: block;
}

/* --- CARDS --- */

.card {
  background: var(--privital-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-light);
  padding: var(--space-xl);
  transition: all var(--transition-base);
}

.card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(23, 190, 187, 0.15);
  border-color: var(--privital-celeste);
}

.card--no-hover:hover {
  transform: none;
  box-shadow: var(--shadow-md);
}

.card--shadow {
  box-shadow: var(--shadow-md);
  border: none;
}

/* --- BADGES --- */

.badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: var(--radius-full);
}

.badge--primary {
  background: rgba(23, 190, 187, 0.1);
  color: var(--privital-celeste);
}

.badge--accent {
  background: rgba(255, 117, 70, 0.1);
  color: var(--acerta-naranja);
}

/* --- ICON CIRCLE --- */

.icon-circle {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--privital-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--privital-white);
  transition: transform var(--transition-base);
  flex-shrink: 0;
}

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

.icon-circle--sm {
  width: 48px;
  height: 48px;
}

.icon-circle--sm svg {
  width: 22px;
  height: 22px;
}

.icon-circle--lg {
  width: 80px;
  height: 80px;
}

.icon-circle--lg svg {
  width: 36px;
  height: 36px;
}

/* --- DIVIDERS --- */

.divider {
  height: 3px;
  background: var(--privital-gradient);
  border: none;
  border-radius: 2px;
}

.divider--accent {
  height: 2px;
  background: var(--acerta-naranja);
}

.divider--thin {
  height: 1px;
  background: var(--border-light);
}