/* Variables globales */
:root {
  --color-primary: #2563eb;
  --color-primary-dark: #1d4ed8;
  --color-primary-light: #3b82f6;
  --color-secondary: #f97316;
  --color-secondary-dark: #ea580c;
  --color-secondary-light: #fb923c;
  --color-text: #1e293b;
  --color-text-light: #64748b;
  --color-background: #ffffff;
  --color-background-alt: #f8fafc;
  --color-border: #e2e8f0;
  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-error: #ef4444;
  --color-info: #0ea5e9;
  
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
  --font-mono: 'Fira Code', Consolas, Monaco, 'Andale Mono', 'Ubuntu Mono', monospace;
  
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
  --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);
  
  --radius-sm: 0.125rem;
  --radius: 0.25rem;
  --radius-md: 0.375rem;
  --radius-lg: 0.5rem;
  
  --spacing-1: 0.25rem;
  --spacing-2: 0.5rem;
  --spacing-3: 0.75rem;
  --spacing-4: 1rem;
  --spacing-6: 1.5rem;
  --spacing-8: 2rem;
  --spacing-12: 3rem;
  --spacing-16: 4rem;
  
  --transition: all 0.2s ease;
}

/* Reset y estilos base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.5;
  color: var(--color-text);
  background-color: var(--color-background);
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: var(--transition);
}

a:hover {
  color: var(--color-primary-dark);
  text-decoration: underline;
}

h1, h2, h3, h4, h5, h6 {
  margin-bottom: var(--spacing-4);
  font-weight: 600;
  line-height: 1.2;
}

h1 {
  font-size: 2.5rem;
}

h2 {
  font-size: 2rem;
}

h3 {
  font-size: 1.5rem;
}

h4 {
  font-size: 1.25rem;
}

p {
  margin-bottom: var(--spacing-4);
}

ul, ol {
  margin-bottom: var(--spacing-4);
  padding-left: var(--spacing-6);
}

img {
  max-width: 100%;
  height: auto;
}

code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  background-color: var(--color-background-alt);
  padding: 0.2em 0.4em;
  border-radius: var(--radius-sm);
}

pre {
  font-family: var(--font-mono);
  background-color: var(--color-background-alt);
  padding: var(--spacing-4);
  margin-bottom: var(--spacing-4);
  border-radius: var(--radius);
  overflow-x: auto;
}

pre code {
  background-color: transparent;
  padding: 0;
}

/* Layout */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-4);
}

/* Header */
.site-header {
  background-color: var(--color-background);
  box-shadow: var(--shadow);
  padding: var(--spacing-4) 0;
  position: sticky;
  top: 0;
  z-index: 100;
}

.site-header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo img {
  height: 40px;
}

.main-nav {
  display: flex;
  align-items: center;
}

.nav-links {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links li {
  margin-left: var(--spacing-6);
}

.nav-links a {
  color: var(--color-text);
  font-weight: 500;
  text-decoration: none;
}

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

.nav-links a.active {
  color: var(--color-primary);
  font-weight: 600;
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
}

/* Hero section */
.hero {
  background-color: var(--color-primary);
  color: white;
  padding: var(--spacing-16) 0;
  text-align: center;
}

.hero h1 {
  font-size: 3rem;
  margin-bottom: var(--spacing-4);
}

.hero .lead {
  font-size: 1.25rem;
  max-width: 800px;
  margin: 0 auto var(--spacing-8);
}

.cta-buttons {
  display: flex;
  justify-content: center;
  gap: var(--spacing-4);
}

/* Buttons */
.btn {
  display: inline-block;
  padding: var(--spacing-3) var(--spacing-6);
  border-radius: var(--radius);
  font-weight: 500;
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
}

.btn-primary {
  background-color: var(--color-primary);
  color: white;
  border: 1px solid var(--color-primary);
}

.btn-primary:hover {
  background-color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  color: white;
  text-decoration: none;
}

.btn-secondary {
  background-color: white;
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
}

.btn-secondary:hover {
  background-color: var(--color-background-alt);
  color: var(--color-primary-dark);
  text-decoration: none;
}

.btn-download {
  background-color: var(--color-secondary);
  color: white;
  border: 1px solid var(--color-secondary);
}

.btn-download:hover {
  background-color: var(--color-secondary-dark);
  border-color: var(--color-secondary-dark);
  color: white;
  text-decoration: none;
}

/* Featured tool section */
.featured-tool {
  padding: var(--spacing-12) 0;
  background-color: var(--color-background-alt);
}

.tool-highlight {
  display: flex;
  align-items: center;
  gap: var(--spacing-8);
}

.tool-info {
  flex: 1;
}

.tool-badge {
  display: inline-block;
  background-color: var(--color-secondary);
  color: white;
  font-size: 0.875rem;
  font-weight: 500;
  padding: var(--spacing-1) var(--spacing-3);
  border-radius: var(--radius-sm);
  margin-bottom: var(--spacing-2);
}

.tool-features {
  margin-bottom: var(--spacing-6);
}

.tool-image {
  flex: 1;
}

/* Tools overview */
.tools-overview {
  padding: var(--spacing-12) 0;
}

.section-title {
  text-align: center;
  margin-bottom: var(--spacing-8);
}

.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--spacing-6);
}

.tool-card {
  background-color: var(--color-background);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--spacing-6);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.tool-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.tool-icon {
  margin-bottom: var(--spacing-4);
}

.tool-icon img {
  width: 48px;
  height: 48px;
}

.tool-status {
  display: inline-block;
  font-size: 0.875rem;
  padding: var(--spacing-1) var(--spacing-2);
  border-radius: var(--radius-sm);
  margin-top: var(--spacing-2);
}

.tool-status.active {
  background-color: rgba(16, 185, 129, 0.1);
  color: var(--color-success);
}

.tool-status.obsolete {
  background-color: rgba(239, 68, 68, 0.1);
  color: var(--color-error);
}

.tool-link {
  margin-top: auto;
  padding-top: var(--spacing-4);
}

/* Benefits section */
.benefits {
  padding: var(--spacing-12) 0;
  background-color: var(--color-background-alt);
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-6);
}

.benefit-card {
  text-align: center;
  padding: var(--spacing-4);
}

.benefit-icon {
  margin-bottom: var(--spacing-4);
}

.benefit-icon img {
  width: 64px;
  height: 64px;
}

/* Footer */
.site-footer {
  background-color: var(--color-text);
  color: white;
  padding: var(--spacing-12) 0 var(--spacing-4);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-8);
  margin-bottom: var(--spacing-8);
}

.footer-logo img {
  height: 40px;
  margin-bottom: var(--spacing-4);
}

.footer-links h3, .footer-contact h3 {
  color: white;
  font-size: 1.25rem;
  margin-bottom: var(--spacing-4);
}

.footer-links ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links li {
  margin-bottom: var(--spacing-2);
}

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
}

.footer-links a:hover {
  color: white;
}

.social-links {
  display: flex;
  gap: var(--spacing-3);
  margin-top: var(--spacing-4);
}

.social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  transition: var(--transition);
}

.social-links a:hover {
  background-color: rgba(255, 255, 255, 0.2);
}

.social-links img {
  width: 18px;
  height: 18px;
}

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-6);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.875rem;
}

/* Responsive */
@media (max-width: 768px) {
  .menu-toggle {
    display: block;
  }
  
  .hamburger {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--color-text);
    position: relative;
  }
  
  .hamburger::before,
  .hamburger::after {
    content: '';
    position: absolute;
    width: 24px;
    height: 2px;
    background-color: var(--color-text);
    left: 0;
  }
  
  .hamburger::before {
    top: -6px;
  }
  
  .hamburger::after {
    bottom: -6px;
  }
  
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background-color: var(--color-background);
    box-shadow: var(--shadow);
    padding: var(--spacing-4);
    flex-direction: column;
  }
  
  .nav-links.active {
    display: flex;
  }
  
  .nav-links li {
    margin: var(--spacing-2) 0;
  }
  
  .tool-highlight {
    flex-direction: column;
  }
  
  .hero h1 {
    font-size: 2.5rem;
  }
  
  .cta-buttons {
    flex-direction: column;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 2rem;
  }
  
  .hero .lead {
    font-size: 1rem;
  }
}

.powered-by {
    margin-top: 8px;
    font-size: 0.9em;
    color: #8a94a6;
}

.foxserver-link {
    color: #4a6cf7;
    font-weight: 500;
    text-decoration: none;
    transition: color 0.2s ease;
}

.foxserver-link:hover {
    color: #2a4cd7;
    text-decoration: underline;
}

.social-links {
    display: flex;
    gap: 16px;
    margin-top: 12px;
}

.social-icon {
    width: 24px;
    height: 24px;
    transition: opacity 0.2s ease;
}

.social-icon:hover {
    opacity: 0.8;
}

/* Barra de progreso de lectura */
.reading-progress-container {
    position: fixed;
    top: 0;
    width: 100%;
    height: 4px;
    background: transparent;
    z-index: 1000;
}

.reading-progress-bar {
    height: 4px;
    background: var(--color-primary);
    width: 0%;
    transition: width 0.1s ease-out;
}

/* Botón Volver Arriba */
#back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: var(--color-primary);
    color: white;
    text-align: center;
    line-height: 48px;
    font-size: 24px;
    text-decoration: none;
    opacity: 0.8;
    z-index: 1000;
    box-shadow: 0 2px 5px rgba(0,0,0,0.3);
    transition: opacity 0.3s, visibility 0.3s;
    visibility: hidden;
}

#back-to-top:hover {
    opacity: 1;
}

/* Enlaces de navegación de sección */
.section-nav {
    margin-top: 30px;
    padding-top: 15px;
    border-top: 1px solid #e0e0e0;
    text-align: right;
}

.back-to-toc {
    display: inline-block;
    padding: 5px 10px;
    background-color: #f5f5f5;
    border: 1px solid #ddd;
    border-radius: 3px;
    color: #555;
    text-decoration: none;
    font-size: 14px;
}

.back-to-toc:hover {
    background-color: #e9e9e9;
    color: #333;
}