/* ============================================
   Componentes reutilizables
   ============================================ */

/* --- Botones --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-8);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: var(--radius-sm);
  transition: all var(--transition-base);
  white-space: nowrap;
}

.btn--primary {
  background-color: var(--color-dark);
  color: var(--color-white);
  border: 2px solid var(--color-dark);
}

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

.btn--outline {
  background-color: transparent;
  color: var(--color-dark);
  border: 2px solid var(--color-dark);
}

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

.btn--accent {
  background-color: var(--color-accent);
  color: var(--color-white);
  border: 2px solid var(--color-accent);
}

.btn--accent:hover {
  background-color: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
}

.btn--white {
  background-color: var(--color-white);
  color: var(--color-dark);
  border: 2px solid var(--color-white);
}

.btn--white:hover {
  background-color: transparent;
  color: var(--color-white);
}

.btn--lg {
  padding: var(--space-4) var(--space-10);
  font-size: var(--text-base);
}

/* --- Aviso de error de formulario --- */
.form-error {
  margin-top: var(--space-4);
  padding: var(--space-3) var(--space-4);
  background-color: #fdecea;
  border: 1px solid #d93025;
  color: #b8261c;
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
}

/* --- Encabezados de sección --- */
.section-header {
  text-align: center;
  margin-bottom: var(--space-16);
}

.section-label {
  display: inline-block;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-gray-500);
  margin-bottom: var(--space-4);
}

.section-title {
  margin-bottom: var(--space-4);
}

.section-divider {
  width: 60px;
  height: 2px;
  background-color: var(--color-dark);
  margin: var(--space-4) auto;
}

.section-description {
  max-width: 600px;
  margin: 0 auto;
  color: var(--color-gray-600);
  font-size: var(--text-lg);
  line-height: 1.8;
}

/* --- Cards --- */
.card {
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-md);
  padding: var(--space-8);
  transition: all var(--transition-base);
}

.card:hover {
  box-shadow: var(--shadow-lg);
  border-color: var(--color-gray-300);
  transform: translateY(-4px);
}

.card__icon {
  width: 48px;
  height: 48px;
  margin-bottom: var(--space-5);
  color: var(--color-dark);
}

.card__icon svg {
  width: 100%;
  height: 100%;
  stroke-width: 1.5;
}

.card__title {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  margin-bottom: var(--space-3);
  color: var(--color-dark);
}

.card__text {
  color: var(--color-gray-600);
  font-size: var(--text-sm);
  line-height: 1.7;
}

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

.form-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-gray-700);
  margin-bottom: var(--space-2);
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-gray-300);
  border-radius: var(--radius-sm);
  font-size: var(--text-base);
  color: var(--color-gray-800);
  background-color: var(--color-white);
  transition: border-color var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(193, 163, 94, 0.1);
}

/* Focus por teclado en interactivos — anillo dorado visible para a11y (WCAG 2.4.7) */
a:focus-visible,
button:focus-visible,
.btn:focus-visible,
[tabindex]:not([tabindex="-1"]):focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

a:focus:not(:focus-visible),
button:focus:not(:focus-visible) {
  outline: none;
}

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

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23666' stroke-width='2'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: var(--space-10);
}

/* --- Sección Hero genérica --- */
.page-hero {
  position: relative;
  height: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background-size: cover;
  background-position: center;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(0,0,0,0.3), rgba(0,0,0,0.4));
}

.page-hero__content {
  position: relative;
  z-index: 1;
  color: var(--color-white);
}

.page-hero__label {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  opacity: 0.8;
  margin-bottom: var(--space-3);
}

.page-hero__title {
  font-size: var(--text-5xl);
  color: var(--color-white);
}

/* --- Espaciado de secciones --- */
.section {
  padding: var(--space-24) 0;
}

.section--gray {
  background-color: var(--color-gray-50);
}

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

.section--dark .section-title,
.section--dark .card__title {
  color: var(--color-white);
}

.section--dark .section-description,
.section--dark .card__text {
  color: var(--color-gray-400);
}

.section--dark .section-divider {
  background-color: var(--color-accent);
}

/* --- Variante acento de sección --- */
.section--accent {
  background-color: var(--color-accent);
  color: var(--color-white);
}

.section--accent .section-title {
  color: var(--color-white);
}

.section--accent .section-description {
  color: rgba(255, 255, 255, 0.85);
}

.section--accent .section-divider {
  background-color: var(--color-white);
}

.section--accent-subtle {
  background-color: var(--color-accent-subtle);
}

/* --- Card con borde acento al hover --- */
.card--accent:hover {
  border-color: var(--color-accent);
}

.card--accent .card__icon {
  color: var(--color-accent);
}

.whatsapp-float {
  position: fixed;
  right: 20px;
  bottom: calc(20px + env(safe-area-inset-bottom));
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-accent);
  color: var(--color-white);
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-lg);
  z-index: 1100;
  transition: transform var(--transition-fast), background-color var(--transition-fast);
  animation: wa-pulse 2.4s ease-in-out infinite;
}

.whatsapp-float:hover {
  transform: translateY(-2px);
  background-color: var(--color-accent-hover);
}

.whatsapp-float svg {
  width: 28px;
  height: 28px;
  fill: currentColor;
}

@keyframes wa-pulse {
  0%, 100% {
    box-shadow: var(--shadow-lg), 0 0 0 0 rgba(255, 255, 255, 0);
  }
  50% {
    box-shadow: var(--shadow-lg), 0 0 0 14px rgba(255, 255, 255, 0.35);
  }
}

@media (prefers-reduced-motion: reduce) {
  .whatsapp-float {
    animation: none;
  }
}

@media (max-width: 480px) {
  .whatsapp-float {
    width: 54px;
    height: 54px;
    right: 16px;
    bottom: calc(16px + env(safe-area-inset-bottom));
  }
  .whatsapp-float svg {
    width: 24px;
    height: 24px;
  }
}