/* ========================================
   Reset y Variables Globales
   ======================================== */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  /* Colores - Paleta moderna y minimalista */
  --color-primary: #2563eb;
  --color-primary-dark: #1e40af;
  --color-text: #1f2937;
  --color-text-light: #6b7280;
  --color-background: #ffffff;
  --color-background-alt: #f9fafb;
  --color-border: #e5e7eb;
  --color-success: #10b981;
  --color-error: #ef4444;

  /* Espaciado */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-xxl: 4rem;

  /* Tipografía */
  --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-size-base: 16px;
  --line-height-base: 1.6;

  /* Bordes y sombras */
  --border-radius: 8px;
  --border-radius-sm: 4px;
  --box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.06);
  --box-shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1), 0 4px 6px rgba(0, 0, 0, 0.05);

  /* Transiciones */
  --transition: all 0.3s ease;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: var(--line-height-base);
  color: var(--color-text);
  background-color: var(--color-background);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ========================================
   Landing Page
   ======================================== */

.landing-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-lg);
  background: linear-gradient(135deg, var(--color-background-alt) 0%, var(--color-background) 100%);
}

.landing-container .content {
  max-width: 600px;
  text-align: center;
}

.landing-container h1 {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--spacing-md);
  line-height: 1.2;
}

.landing-container .subtitle {
  font-size: 1.25rem;
  color: var(--color-text-light);
  margin-bottom: var(--spacing-xl);
}

.features {
  text-align: left;
  margin: var(--spacing-xl) auto;
  max-width: 400px;
}

.features p {
  font-size: 1.1rem;
  color: var(--color-text);
  margin-bottom: var(--spacing-sm);
  padding-left: var(--spacing-sm);
}

.cta-section {
  margin-top: var(--spacing-xl);
}

.cta-button {
  background-color: var(--color-primary);
  color: white;
  font-size: 1.125rem;
  font-weight: 600;
  padding: var(--spacing-md) var(--spacing-xl);
  border: none;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: var(--transition);
  box-shadow: var(--box-shadow);
  display: inline-block;
  min-width: 200px;
}

.cta-button:hover {
  background-color: var(--color-primary-dark);
  box-shadow: var(--box-shadow-lg);
  transform: translateY(-2px);
}

.cta-button:active {
  transform: translateY(0);
  box-shadow: var(--box-shadow);
}

.price-text {
  margin-top: var(--spacing-md);
  color: var(--color-text-light);
  font-size: 0.9rem;
}

/* ========================================
   Checkout Page
   ======================================== */

.checkout-page {
  min-height: 100vh;
  padding: var(--spacing-lg);
  background-color: var(--color-background-alt);
}

.back-button {
  background-color: transparent;
  color: var(--color-text-light);
  font-size: 0.95rem;
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  transition: var(--transition);
  margin-bottom: var(--spacing-lg);
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.back-button:hover {
  background-color: var(--color-background);
  color: var(--color-text);
  border-color: var(--color-text-light);
}

.checkout-header {
  max-width: 800px;
  margin: var(--spacing-md) auto var(--spacing-lg);
  text-align: center;
  padding: 0 var(--spacing-sm);
}

.checkout-header h1 {
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-text);
  margin-bottom: var(--spacing-xs);
  letter-spacing: -0.025em;
}

.checkout-header p {
  font-size: 1.125rem;
  color: var(--color-text-light);
  font-weight: 400;
}

#whop-checkout-container {
  max-width: 800px;
  margin: 0 auto;
  background-color: var(--color-background);
  border-radius: var(--border-radius);
  padding: var(--spacing-lg);
  box-shadow: var(--box-shadow);
  /* Reserva de espacio para evitar el salto de las preguntas */
  min-height: 600px;
  transition: min-height 0.5s ease, height 0.5s ease;
  display: flex;
  flex-direction: column;
}

/* Ajuste específico para que el iframe ocupe todo el espacio */
#whop-checkout-container iframe {
  width: 100% !important;
  border: none !important;
}

@media (max-width: 768px) {
  #whop-checkout-container {
    padding: var(--spacing-sm);
    /* Menos padding en móvil para que el modal respire */
    min-height: 650px;
    /* Un poco más de espacio en móvil para las preguntas */
    box-shadow: none;
    /* Quitamos sombra para que se sienta más integrado */
    border: none;
    background-color: transparent;
  }
}

/* Estados de Carga Mejorados (Skeleton) */
.loading {
  text-align: center;
  padding: var(--spacing-xxl) var(--spacing-lg);
  max-width: 500px;
  margin: var(--spacing-lg) auto;
  background-color: var(--color-background);
  border-radius: var(--border-radius);
  border: 1px solid var(--color-border);
}

.skeleton-container {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.skeleton-bar {
  height: 20px;
  background: linear-gradient(90deg, #f0f0f0 25%, #f7f7f7 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s infinite linear;
  border-radius: var(--border-radius-sm);
}

.skeleton-bar.header {
  height: 32px;
  width: 60%;
  margin: 0 auto;
}

.skeleton-bar.input {
  height: 45px;
  width: 100%;
}

.skeleton-bar.button {
  height: 50px;
  width: 100%;
  background: linear-gradient(90deg, #e5e7eb 25%, #f3f4f6 50%, #e5e7eb 75%);
}

@keyframes skeleton-loading {
  0% {
    background-position: 200% 0;
  }

  100% {
    background-position: -200% 0;
  }
}

.loader-spinner {
  border: 3px solid var(--color-border);
  border-top: 3px solid var(--color-primary);
  border-radius: 50%;
  width: 40px;
  height: 40px;
  animation: spin 0.8s linear infinite;
  margin: 0 auto var(--spacing-md);
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }

  100% {
    transform: rotate(360deg);
  }
}

.loading p {
  color: var(--color-text);
  font-size: 1.1rem;
  font-weight: 500;
  margin-bottom: var(--spacing-sm);
}

.loading .subtext {
  color: var(--color-text-light);
  font-size: 0.9rem;
}

/* ========================================
   Thank You Page
   ======================================== */

.thank-you-page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-lg);
  background-color: var(--color-background-alt);
  text-align: center;
}

.success-icon {
  font-size: 4rem;
  margin-bottom: var(--spacing-lg);
  animation: scaleIn 0.5s ease-out;
}

@keyframes scaleIn {
  0% {
    transform: scale(0);
    opacity: 0;
  }

  50% {
    transform: scale(1.1);
  }

  100% {
    transform: scale(1);
    opacity: 1;
  }
}

.thank-you-page h1 {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--spacing-md);
}

.confirmation-message {
  font-size: 1.125rem;
  color: var(--color-text-light);
  margin-bottom: var(--spacing-xl);
  max-width: 500px;
}

.purchase-details {
  background-color: var(--color-background);
  padding: var(--spacing-lg);
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  margin-bottom: var(--spacing-xl);
  max-width: 600px;
  width: 100%;
}

.purchase-details h3 {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-md);
  color: var(--color-text);
}

.purchase-details p {
  margin-bottom: var(--spacing-sm);
  color: var(--color-text);
}

.metadata-info {
  margin-top: var(--spacing-md);
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--color-border);
}

.metadata-info pre {
  background-color: var(--color-background-alt);
  padding: var(--spacing-md);
  border-radius: var(--border-radius-sm);
  text-align: left;
  overflow-x: auto;
  font-size: 0.875rem;
  color: var(--color-text);
}

.home-button {
  display: inline-block;
  background-color: var(--color-primary);
  color: white;
  font-size: 1rem;
  font-weight: 600;
  padding: var(--spacing-md) var(--spacing-xl);
  border-radius: var(--border-radius);
  text-decoration: none;
  transition: var(--transition);
  box-shadow: var(--box-shadow);
}

.home-button:hover {
  background-color: var(--color-primary-dark);
  box-shadow: var(--box-shadow-lg);
  transform: translateY(-2px);
}

/* ========================================
   Responsive Design - Mobile First
   ======================================== */

@media (max-width: 768px) {
  .landing-container h1 {
    font-size: 2rem;
  }

  .landing-container .subtitle {
    font-size: 1.125rem;
  }

  .features {
    max-width: 100%;
  }

  .cta-button {
    width: 100%;
    max-width: 300px;
  }

  .thank-you-page h1 {
    font-size: 2rem;
  }

  .success-icon {
    font-size: 3rem;
  }

  #whop-checkout-container {
    padding: var(--spacing-md);
  }
}

@media (max-width: 480px) {
  :root {
    --font-size-base: 15px;
  }

  .landing-container h1 {
    font-size: 1.75rem;
  }

  .landing-container .subtitle {
    font-size: 1rem;
  }

  .thank-you-page h1 {
    font-size: 1.75rem;
  }

  .features p {
    font-size: 1rem;
  }
}