/**
 * BUTTON SYSTEM - Fundo Moraga
 * Sistema unificado de botones
 */

/* ============================================
   BUTTON BASE - ESTILOS COMUNES
   ============================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: var(--btn-spacing-md);
  font-family: 'Poppins', sans-serif;
  font-weight: var(--btn-font-weight-bold);
  font-size: var(--btn-font-size-md);
  line-height: 1.5;
  letter-spacing: var(--btn-letter-spacing-normal);
  text-decoration: none;
  text-align: center;
  white-space: nowrap;
  border: none;
  border-radius: var(--radius-full);
  cursor: pointer;
  user-select: none;
  -webkit-user-select: none;
  -webkit-tap-highlight-color: transparent;
  transition: transform var(--transition-transform), filter var(--transition-filter), box-shadow var(--transition-box-shadow);
  position: relative;
  overflow: hidden;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

/* ============================================
   BUTTON EFFECT - SHINE ANIMATION
   ============================================ */

.btn::before {
  content: "";
  position: absolute;
  inset: -120% 60% -120% -60%;
  background: linear-gradient(110deg, transparent, rgba(255, 255, 255, 0.75), transparent);
  transform: translateX(-120%);
  transition: transform var(--transition-shine);
  pointer-events: none;
}

.btn:hover::before {
  transform: translateX(120%);
}

/* ============================================
   PRIMARY BUTTON - Hero CTAs
   ============================================ */

.btn--primary {
  padding: var(--btn-spacing-lg);
  font-size: var(--btn-font-size-lg);
  background: var(--btn-bg-primary);
  color: var(--btn-text-primary);
  border: var(--btn-border-primary);
  box-shadow: var(--shadow-lg), var(--shadow-gold-md);
}

.btn--primary:hover {
  transform: translateY(-2px);
  filter: brightness(1.06) saturate(1.05);
  box-shadow: 0 20px 46px rgba(0, 0, 0, 0.35), var(--shadow-gold-lg);
}

.btn--primary:active {
  transform: translateY(0);
  box-shadow: var(--shadow-lg), var(--shadow-gold-md);
}

.btn--primary:focus-visible {
  outline: none;
  box-shadow: 0 0 0 4px rgba(212, 175, 55, 0.25), 0 20px 46px rgba(0, 0, 0, 0.35), var(--shadow-gold-lg);
}

/* ============================================
   SECONDARY BUTTON - Navbar Reserva
   ============================================ */

.btn--secondary {
  padding: var(--btn-spacing-md);
  font-size: var(--btn-font-size-md);
  background: var(--btn-bg-primary);
  color: var(--btn-text-primary);
  border: var(--btn-border-primary);
  box-shadow: 0 10px 26px rgba(0, 0, 0, 0.35), var(--shadow-gold-sm);
}

.btn--secondary:hover {
  transform: translateY(-2px);
  filter: brightness(1.05) saturate(1.05);
  box-shadow: 0 12px 34px rgba(212, 175, 55, 0.2), 0 18px 44px rgba(0, 0, 0, 0.58);
}

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

.btn--secondary:focus-visible {
  outline: none;
  box-shadow: 0 0 0 4px rgba(212, 175, 55, 0.22), 0 12px 34px rgba(212, 175, 55, 0.2), 0 18px 44px rgba(0, 0, 0, 0.58);
}

/* ============================================
   TERTIARY BUTTON - Nav Links
   ============================================ */

.btn--tertiary {
  padding: var(--btn-spacing-xs);
  font-size: var(--btn-font-size-sm);
  background: transparent;
  color: var(--btn-text-light);
  border: none;
  box-shadow: none;
  font-weight: var(--btn-font-weight-base);
  position: relative;
}

.btn--tertiary::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-gold-600);
  transition: width var(--transition-base);
}

.btn--tertiary:hover {
  color: var(--color-gold-600);
  transform: none;
  filter: none;
}

.btn--tertiary:hover::after {
  width: 100%;
}

.btn--tertiary:focus-visible {
  outline: none;
  box-shadow: 0 0 0 2px var(--color-gold-600);
  border-radius: 2px;
}

.btn--tertiary::before {
  display: none;
}

/* ============================================
   GHOST BUTTON - Alternativo minimalista
   ============================================ */

.btn--ghost {
  padding: var(--btn-spacing-md);
  background: transparent;
  color: var(--btn-text-light);
  border: 1px solid var(--color-gray-400);
  box-shadow: none;
}

.btn--ghost:hover {
  border-color: var(--color-gold-600);
  color: var(--color-gold-600);
  box-shadow: 0 0 0 2px rgba(212, 175, 55, 0.1);
  transform: translateY(-1px);
}

.btn--ghost:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px var(--color-gold-600);
}

.btn--ghost::before {
  display: none;
}

/* ============================================
   SIZES - VARIANTES DE TAMAÑO
   ============================================ */

.btn--xs {
  padding: 6px 10px;
  font-size: var(--btn-font-size-xs);
}

.btn--sm {
  padding: var(--btn-spacing-sm);
  font-size: var(--btn-font-size-sm);
}

.btn--md {
  padding: var(--btn-spacing-md);
  font-size: var(--btn-font-size-md);
}

.btn--lg {
  padding: var(--btn-spacing-lg);
  font-size: var(--btn-font-size-lg);
}

/* ============================================
   ICON BUTTON
   ============================================ */

.btn--icon {
  width: 44px;
  height: 44px;
  min-width: 44px;
  min-height: 44px;
  padding: 0;
  gap: 0;
  background: transparent;
  border: 1px solid transparent;
  box-shadow: none;
}

.btn--icon svg {
  width: 24px;
  height: 24px;
  stroke-width: 2;
}

.btn--icon:hover {
  background: rgba(212, 175, 55, 0.1);
  border-color: var(--color-gold-600);
}

.btn--icon:focus-visible {
  outline: none;
  box-shadow: 0 0 0 2px var(--color-gold-600);
}

/* ============================================
   ACCESSIBILITY - Estados especiales
   ============================================ */

.btn:focus-visible {
  outline: 3px solid var(--color-gold-600);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  .btn,
  .btn::before {
    animation: none !important;
    transition: color 200ms !important;
  }

  .btn:hover {
    transform: none;
  }

  .btn::before {
    display: none;
  }
}

/* ============================================
   RESPONSIVE - Mobile adaptations
   ============================================ */

@media (max-width: 768px) {
  .btn {
    min-width: 44px;
    min-height: 44px;
    gap: 6px;
  }

  .btn--lg {
    padding: 16px 32px;
    font-size: var(--btn-font-size-md);
  }

  .btn::before {
    opacity: 0.5;
  }

  .btn:hover::before {
    transform: translateX(100%);
  }
}

@media (max-width: 480px) {
  .btn--md,
  .btn--sm {
    padding: 12px 20px;
    font-size: var(--btn-font-size-sm);
  }

  .btn--tertiary {
    padding: 8px 12px;
  }
}

/* ============================================
   CONTEXTO - Navbar adaptations
   ============================================ */

.navbar .btn--secondary,
.navbar .btn--tertiary {
  transition: transform 180ms ease, filter 180ms ease, box-shadow 180ms ease;
}

.navbar .btn--secondary:hover {
  transform: translateY(-1px);
}

.navbar.dark-nav .btn--primary {
  padding: var(--btn-spacing-md);
  font-size: var(--btn-font-size-md);
}