/* Estilos generales */
:root {
  --primary-color: #3498db;
  --secondary-color: #2ecc71;
  --accent-color: #f39c12;
  --dark-color: #2c3e50;
  --light-color: #ecf0f1;
  --text-color: #333;
  --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  --border-radius: 8px;
}

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

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  color: var(--text-color);
  background-color: var(--light-color);
}

.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Encabezado */
header {
  background-color: var(--dark-color);
  color: white;
  padding: 1rem 0;
  box-shadow: var(--shadow);
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.8rem;
  font-weight: bold;
  color: white;
  text-decoration: none;
}

.logo span {
  color: var(--accent-color);
}

.nav-links {
  display: flex;
  list-style: none;
}

.nav-links li {
  margin-left: 1.5rem;
}

.nav-links a {
  color: white;
  text-decoration: none;
  transition: color 0.3s;
}

.nav-links a:hover {
  color: var(--accent-color);
}

/* Sección de héroe */
.hero {
  background: linear-gradient(to right, var(--dark-color), var(--primary-color));
  color: white;
  padding: 4rem 0;
  text-align: center;
}

.hero h1 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.hero p {
  font-size: 1.2rem;
  max-width: 800px;
  margin: 0 auto 2rem;
}

.btn {
  display: inline-block;
  background-color: var(--accent-color);
  color: white;
  padding: 0.8rem 1.5rem;
  border-radius: var(--border-radius);
  text-decoration: none;
  font-weight: bold;
  transition: background-color 0.3s;
}

.btn:hover {
  background-color: #e67e22;
}

/* Sección de características */
.features {
  padding: 4rem 0;
}

.section-title {
  text-align: center;
  margin-bottom: 3rem;
  color: var(--dark-color);
}

.section-title h2 {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.section-title p {
  color: #666;
  max-width: 700px;
  margin: 0 auto;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.card {
  background-color: white;
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform 0.3s;
}

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

.card-header {
  padding: 1.5rem;
  background-color: var(--primary-color);
  color: white;
}

.card-header h3 {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.card-body {
  padding: 1.5rem;
}

.card-body p {
  margin-bottom: 1rem;
}

.card-footer {
  padding: 1rem 1.5rem;
  background-color: #f8f9fa;
  border-top: 1px solid #e9ecef;
}

.card-footer .btn {
  background-color: var(--primary-color);
}

.card-footer .btn:hover {
  background-color: #2980b9;
}

/* Sección de recomendación */
.recommendation {
  background-color: var(--secondary-color);
  color: white;
  padding: 4rem 0;
  text-align: center;
}

.recommendation h2 {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.recommendation p {
  max-width: 800px;
  margin: 0 auto 2rem;
  font-size: 1.1rem;
}

/* Sección de comparación */
.comparison {
  padding: 4rem 0;
}

.table-container {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 2rem;
  background-color: white;
  box-shadow: var(--shadow);
}

th, td {
  padding: 1rem;
  text-align: left;
  border-bottom: 1px solid #e9ecef;
}

th {
  background-color: var(--primary-color);
  color: white;
}

tr:nth-child(even) {
  background-color: #f8f9fa;
}

tr:hover {
  background-color: #f1f1f1;
}

/* Sección de contacto */
.contact {
  background-color: var(--dark-color);
  color: white;
  padding: 4rem 0;
}

.contact-form {
  max-width: 600px;
  margin: 0 auto;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.8rem;
  border: none;
  border-radius: var(--border-radius);
}

.form-group textarea {
  height: 150px;
}

/* Pie de página */
footer {
  background-color: #1a252f;
  color: white;
  padding: 2rem 0;
  text-align: center;
}

.footer-content {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.social-links {
  display: flex;
  list-style: none;
  margin: 1rem 0;
}

.social-links li {
  margin: 0 0.5rem;
}

.social-links a {
  color: white;
  font-size: 1.5rem;
  transition: color 0.3s;
}

.social-links a:hover {
  color: var(--accent-color);
}

.copyright {
  margin-top: 1rem;
  color: #aaa;
}

/* Estilos para páginas individuales */
.platform-header {
  background-color: var(--primary-color);
  color: white;
  padding: 3rem 0;
  text-align: center;
}

.platform-header h1 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.platform-content {
  padding: 3rem 0;
}

.platform-info {
  background-color: white;
  border-radius: var(--border-radius);
  padding: 2rem;
  box-shadow: var(--shadow);
  margin-bottom: 2rem;
}

.platform-info h2 {
  color: var(--primary-color);
  margin-bottom: 1rem;
  border-bottom: 2px solid var(--primary-color);
  padding-bottom: 0.5rem;
}

.platform-info p {
  margin-bottom: 1rem;
}

.platform-info ul {
  margin-left: 1.5rem;
  margin-bottom: 1rem;
}

.platform-info .highlight {
  background-color: #fff9c4;
  padding: 1rem;
  border-left: 4px solid var(--accent-color);
  margin: 1rem 0;
}

/* Estilos para la página de recomendación */
.recommendation-page {
  padding: 3rem 0;
}

.recommendation-content {
  background-color: white;
  border-radius: var(--border-radius);
  padding: 2rem;
  box-shadow: var(--shadow);
}

.recommendation-content h2 {
  color: var(--secondary-color);
  margin-bottom: 1rem;
  border-bottom: 2px solid var(--secondary-color);
  padding-bottom: 0.5rem;
}

.recommendation-content .steps {
  margin: 2rem 0;
}

.recommendation-content .step {
  margin-bottom: 2rem;
  padding-left: 2rem;
  position: relative;
}

.recommendation-content .step:before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 1.5rem;
  height: 1.5rem;
  background-color: var(--secondary-color);
  border-radius: 50%;
}

.recommendation-content .step:after {
  content: "";
  position: absolute;
  left: 0.75rem;
  top: 1.5rem;
  width: 2px;
  height: calc(100% - 1.5rem);
  background-color: var(--secondary-color);
}

.recommendation-content .step:last-child:after {
  display: none;
}

.recommendation-content .step h3 {
  margin-bottom: 0.5rem;
  color: var(--dark-color);
}

/* Responsive */
@media (max-width: 768px) {
  .navbar {
    flex-direction: column;
  }
  
  .nav-links {
    margin-top: 1rem;
  }
  
  .nav-links li {
    margin: 0 0.5rem;
  }
  
  .hero h1 {
    font-size: 2rem;
  }
  
  .cards {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .hero {
    padding: 2rem 0;
  }
  
  .features, .comparison, .recommendation, .contact {
    padding: 2rem 0;
  }
  
  .section-title h2 {
    font-size: 1.5rem;
  }
  
  .card-header h3 {
    font-size: 1.2rem;
  }
}