:root {
  --color-primary: #605BFF;
  --color-primary-light: #7773ff;
  --color-primary-dark: #4b47cf;
  --color-accent: #FFB546;
  --color-text-dark: #333;
  --color-text-light: #666;
  --color-white: #fff;
  --color-gray-light: #f5f5f5;
  --color-gray: #e0e0e0;
  --border-radius: 8px;
  --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  --primary-color: #2563eb;
  --secondary-color: #1e40af;
  --accent-color: #f59e0b;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-500: #6b7280;
  --gray-700: #374151;
  --gray-900: #111827;
  --success-color: #10b981;
  --error-color: #ef4444;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
}

body {
  background-color: #f8f9fa;
  color: var(--color-text-dark);
  line-height: 1.6;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem;
}

header {
  text-align: center;
  margin-bottom: 3rem;
}

.logo {
  width: 180px;
  margin-bottom: 1rem;
}

h1 {
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
  color: var(--color-text-dark);
}

.subtitle {
  font-size: 1.2rem;
  color: var(--color-text-light);
  margin-bottom: 2rem;
}

.plans-container {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  justify-content: center;
}

.plan-card {
  background-color: var(--color-white);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  width: 100%;
  max-width: 350px;
  transition: transform 0.3s ease;
}

.plan-card:hover {
  transform: translateY(-5px);
}

.plan-header {
  padding: 1.5rem;
  text-align: center;
}

.plan-name {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
  font-weight: 600;
}

.plan-type {
  color: var(--color-text-light);
  font-size: 0.9rem;
  margin-bottom: 1rem;
}

.plan-price {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.plan-price span {
  font-size: 1rem;
  color: var(--color-text-light);
}

.plan-discount {
  display: inline-block;
  background-color: var(--color-accent);
  color: var(--color-white);
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.plan-features {
  padding: 1.5rem;
  border-top: 1px solid var(--color-gray);
}

.feature-item {
  display: flex;
  align-items: flex-start;
  margin-bottom: 1rem;
}

.feature-icon {
  width: 20px;
  height: 20px;
  margin-right: 0.75rem;
  color: var(--color-primary);
}

.feature-text {
  flex: 1;
  font-size: 0.95rem;
}

.cta-button {
  display: block;
  width: 100%;
  padding: 1rem;
  border: none;
  border-radius: var(--border-radius);
  background-color: var(--color-primary);
  color: var(--color-white);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.3s ease;
  text-align: center;
  text-decoration: none;
  margin-top: 1.5rem;
}

.cta-button:hover {
  background-color: var(--color-primary-dark);
}

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

.outlined-button:hover {
  background-color: var(--color-gray-light);
}

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

.accent-button:hover {
  background-color: #e09a30;
}

.selected-plan {
  border: 2px solid var(--color-primary);
  position: relative;
}

.selected-plan::before {
  content: "Recomendado";
  position: absolute;
  top: -10px;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--color-primary);
  color: white;
  padding: 5px 15px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: bold;
}

.slider-container {
  width: 100%;
  max-width: 500px;
  margin: 0 auto 3rem;
  text-align: center;
}

.slider-label {
  display: flex;
  justify-content: space-between;
  margin-bottom: 10px;
}

.slider {
  width: 100%;
  height: 8px;
  background: var(--color-gray);
  border-radius: 4px;
  outline: none;
  -webkit-appearance: none;
  appearance: none;
}

.slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--color-primary);
  cursor: pointer;
}

/* Estilos para el modal de registro */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal {
  background-color: var(--color-white);
  border-radius: var(--border-radius);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
  width: 100%;
  max-width: 500px;
  position: relative;
  transform: translateY(-20px);
  opacity: 0;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.modal-overlay.active .modal {
  transform: translateY(0);
  opacity: 1;
}

.modal-header {
  padding: 1.5rem;
  border-bottom: 1px solid var(--color-gray);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-title {
  font-size: 1.5rem;
  font-weight: 600;
}

.close-modal {
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--color-text-light);
}

.modal-body {
  padding: 1.5rem;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
}

.form-control {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--color-gray);
  border-radius: var(--border-radius);
  font-size: 1rem;
}

.form-control:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 2px rgba(96, 91, 255, 0.2);
}

.form-error {
  color: #dc3545;
  font-size: 0.875rem;
  margin-top: 0.5rem;
  display: none;
}

.registration-success {
  text-align: center;
  display: none;
}

.success-icon {
  font-size: 4rem;
  color: #28a745;
  margin-bottom: 1rem;
}

.success-title {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.success-message {
  color: var(--color-text-light);
  margin-bottom: 1.5rem;
}

footer {
  text-align: center;
  margin-top: 4rem;
  padding: 2rem 0;
  color: var(--color-text-light);
  font-size: 0.9rem;
}

/* Media Queries */
@media (max-width: 768px) {
  .plans-container {
    flex-direction: column;
    align-items: center;
  }
  
  .plan-card {
    max-width: 100%;
  }
  
  .modal {
    max-width: 90%;
  }
}