/* ============================================
   DESIGN SYSTEM - CSS VARIABLES
   ============================================ */
:root {
  --color-primary: #6366F1;
  --color-primary-dark: #4F46E5;
  --color-primary-light: #818CF8;
  
  --color-accent: #F59E0B;
  --color-accent-dark: #D97706;
  --color-accent-light: #FBBF24;
  
  --color-success: #10B981;
  --color-error: #EF4444;
  
  --color-text-primary: #1F2937;
  --color-text-secondary: #6B7280;
  --color-text-light: #9CA3AF;
  
  --color-bg-primary: #FFFFFF;
  --color-bg-secondary: #F9FAFB;
  --color-bg-tertiary: #F3F4F6;
  
  --spacing-xs: 0.5rem;
  --spacing-sm: 0.75rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 4rem;
  
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 9999px;
  
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.15);
  
  --transition-fast: 0.15s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
}

/* ============================================
   TYPOGRAPHY - Google Fonts (loaded in HTML)
   ============================================ */

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-text-primary);
  background-color: var(--color-bg-secondary);
  text-align: center;
  padding: var(--spacing-md);
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Poppins', sans-serif !important;
  font-weight: 600;
  line-height: 1.3;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-md);
}

h1 {
  font-size: clamp(1.4rem, 3.5vw, 1.9rem);
  font-weight: 700;
  margin-bottom: var(--spacing-lg);
  max-width: 100%;
  overflow-wrap: break-word;
  word-wrap: break-word;
  hyphens: auto;
}

h2 {
  font-size: clamp(1.2rem, 3vw, 1.6rem);
  font-weight: 600;
}

h3 {
  font-size: clamp(1.1rem, 2.5vw, 1.3rem);
  font-weight: 600;
}

p {
  margin-bottom: var(--spacing-md);
  max-width: 65ch;
  margin-left: auto;
  margin-right: auto;
}

/* ============================================
   DOMAIN NOTICE BANNER
   ============================================ */
.domain-notice {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: #ffffff;
  padding: 0.5rem 1rem;
  text-align: center;
  font-size: 0.875rem;
  line-height: 1.4;
  margin: -1rem -1rem 1.5rem -1rem;
}

.domain-notice p {
  margin: 0;
  max-width: 100%;
}

.domain-notice strong {
  font-weight: 600;
  text-decoration: underline;
}

/* ============================================
   HEADER & HERO SECTION
   ============================================ */
header {
  margin-bottom: var(--spacing-lg);
}

header h1 {
  max-width: 800px;
  margin: 0 auto var(--spacing-lg) auto;
  padding: 0 var(--spacing-lg);
  text-align: center;
}

.banner {
  width: 100%;
  max-height: 280px;
  overflow: hidden;
  margin-bottom: var(--spacing-lg);
}

.banner-img {
  width: 100%;
  max-width: 650px;
  height: auto;
  display: block;
  margin: 0 auto;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

header h2 {
  max-width: 800px;
  margin: 0 auto var(--spacing-lg) auto;
  padding: 0 var(--spacing-lg);
  font-size: clamp(1.1rem, 2.5vw, 1.35rem);
  font-weight: 400;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

header h2 a {
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 500;
  transition: color var(--transition-fast);
}

header h2 a:hover {
  color: var(--color-primary-dark);
  text-decoration: underline;
}

/* ============================================
   BUTTON SYSTEM
   ============================================ */
.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  font-family: 'Poppins', sans-serif;
  font-size: 1rem;
  font-weight: 500;
  text-align: center;
  text-decoration: none;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-sm);
}

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

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

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

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

.btn-primary:disabled {
  background-color: var(--color-text-light);
  cursor: not-allowed;
  transform: none;
}

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

.btn-accent:hover {
  background-color: var(--color-accent-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.btn-secondary:hover {
  background-color: var(--color-primary);
  color: white;
  transform: translateY(-2px);
}

/* Language Switch Button */
.language-switch {
  margin: var(--spacing-md) 0;
}

.language-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background-color: var(--color-primary);
  color: white;
  padding: 0.6rem 1.25rem;
  text-decoration: none;
  border-radius: var(--radius-full);
  font-size: 0.95rem;
  font-weight: 500;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-sm);
}

.language-btn:hover {
  background-color: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.language-btn img {
  width: 20px;
  height: 15px;
}

/* ============================================
   CONTAINERS
   ============================================ */
.container {
  max-width: 650px;
  margin: 0 auto var(--spacing-lg);
  background: var(--color-bg-primary);
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.container h2 {
  font-size: clamp(1.15rem, 3vw, 1.35rem);
  font-weight: 600;
}

.info-container {
  max-width: 800px;
  margin: var(--spacing-lg) auto;
  padding: var(--spacing-lg);
  background-color: var(--color-bg-primary);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.info-container p,
.info-container ul {
  font-size: 1.05rem;
  line-height: 1.75;
  color: var(--color-text-secondary);
  text-align: left;
  max-width: 65ch;
  margin-left: auto;
  margin-right: auto;
}

.info-container ul {
  padding-left: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
}

.info-container li {
  margin-bottom: var(--spacing-sm);
}

/* ============================================
   FORMS
   ============================================ */
textarea,
input[type="text"],
input[type="email"] {
  width: 100%;
  padding: 1rem;
  margin: var(--spacing-sm) 0;
  border: 2px solid #d1d5db;
  border-radius: var(--radius-md);
  font-family: 'Inter', sans-serif;
  font-size: 1rem;
  color: var(--color-text-primary);
  transition: border-color var(--transition-fast);
  background-color: white;
}

textarea {
  height: 120px;
  resize: vertical;
}

textarea:focus,
input[type="text"]:focus,
input[type="email"]:focus {
  outline: none;
  border-color: var(--color-primary);
  background-color: var(--color-bg-primary);
}

button {
  background-color: var(--color-primary);
  color: white;
  border: none;
  padding: 0.85rem 2rem;
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  font-family: 'Poppins', sans-serif;
  box-shadow: var(--shadow-sm);
}

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

button:active {
  transform: translateY(0);
}

button:disabled {
  background-color: var(--color-text-light);
  cursor: not-allowed;
  transform: none;
}

button:focus-visible {
  outline: 3px solid var(--color-primary-light);
  outline-offset: 2px;
}

/* ============================================
   LOADING SPINNER
   ============================================ */
#loading {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: var(--spacing-md);
  min-height: 50px;
}

.spinner {
  display: none;
  width: 24px;
  height: 24px;
  border: 3px solid var(--color-bg-tertiary);
  border-top: 3px solid var(--color-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin-right: var(--spacing-sm);
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* ============================================
   SUPPORT SECTION
   ============================================ */
.support-section {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: white;
  border-radius: var(--radius-xl);
  padding: var(--spacing-lg);
  margin: var(--spacing-lg) auto;
  text-align: center;
  max-width: 650px;
  box-shadow: var(--shadow-lg);
}

.support-section h2 {
  color: white !important;
  margin-bottom: var(--spacing-md);
  font-size: clamp(1.5rem, 3vw, 1.85rem);
}

.support-section p {
  color: rgba(255, 255, 255, 0.95) !important;
  margin-bottom: var(--spacing-lg);
  font-size: 1.05rem;
}

.support-buttons {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
  margin: var(--spacing-lg) 0;
}

.support-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.9rem 1.75rem;
  border-radius: var(--radius-md);
  text-decoration: none;
  font-weight: 600;
  font-family: 'Poppins', sans-serif;
  transition: all var(--transition-base);
  color: white;
  box-shadow: var(--shadow-md);
  min-height: 44px;
}

.coffee-btn {
  background: linear-gradient(135deg, #ff6b35, #f7931e);
}

.paypal-btn {
  background: linear-gradient(135deg, #0070ba, #00457c);
}

.support-btn:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-xl);
}

.support-thanks {
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.85) !important;
  font-style: italic;
  margin-top: var(--spacing-md);
}

/* ============================================
   TESTIMONIALS SECTION
   ============================================ */
.testimonials-section {
  max-width: 900px;
  margin: var(--spacing-xl) auto;
  padding: var(--spacing-xl);
  background-color: var(--color-bg-primary);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
}

.testimonials-section h2 {
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-lg);
  font-size: clamp(1.5rem, 3vw, 1.85rem);
}

.testimonials-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-lg);
}

.testimonial-card {
  background: var(--color-bg-secondary);
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
  border: 2px solid transparent;
  min-height: 180px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
}

.testimonial-card::before {
  content: '"';
  position: absolute;
  top: 10px;
  left: 15px;
  font-size: 3rem;
  color: var(--color-primary-light);
  opacity: 0.3;
  font-family: Georgia, serif;
  line-height: 1;
}

.testimonial-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary-light);
}

.testimonial-message {
  font-style: italic;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-md);
  line-height: 1.65;
  text-align: left;
  font-size: 0.98rem;
  padding-left: var(--spacing-md);
}

.testimonial-author {
  text-align: right;
  color: var(--color-primary);
  font-size: 0.9rem;
  font-weight: 600;
  font-family: 'Poppins', sans-serif;
  margin-top: auto;
}

.loading-testimonials,
.no-testimonials,
.error-testimonials {
  text-align: center;
  color: var(--color-text-light);
  padding: var(--spacing-lg);
  font-style: italic;
}

/* ============================================
   FEEDBACK FORM SECTION
   ============================================ */
.feedback-section {
  max-width: 650px;
  margin: var(--spacing-xl) auto;
  padding: var(--spacing-xl);
  background: var(--color-bg-primary);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
}

.feedback-section h2 {
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-sm);
  font-size: clamp(1.35rem, 3vw, 1.65rem);
}

.feedback-section p {
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-lg);
  font-size: 1rem;
}

.testimonial-form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.testimonial-form input,
.testimonial-form textarea {
  width: 100%;
  padding: 0.95rem;
  border: 2px solid #d1d5db;
  border-radius: var(--radius-md);
  font-family: 'Inter', sans-serif;
  font-size: 0.95rem;
  transition: border-color var(--transition-fast);
  background-color: white;
}

.testimonial-form textarea {
  height: 140px;
  resize: vertical;
}

.testimonial-form button {
  align-self: flex-start;
  padding: 0.85rem 2rem;
  min-height: 44px;
}

.testimonial-response {
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  margin-top: var(--spacing-sm);
  font-weight: 500;
  text-align: left;
}

.testimonial-response.success {
  background-color: #d1fae5;
  color: #065f46;
  border: 2px solid var(--color-success);
}

.testimonial-response.error {
  background-color: #fee2e2;
  color: #991b1b;
  border: 2px solid var(--color-error);
}

/* ============================================
   FOOTER
   ============================================ */
footer {
  margin-top: var(--spacing-2xl);
  padding: var(--spacing-lg) var(--spacing-md);
  color: var(--color-text-secondary);
  font-size: 0.9rem;
}

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

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

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 768px) {
  body {
    padding: var(--spacing-md);
  }

  .banner-img {
    width: 80%;
  }

  .container,
  .info-container,
  .feedback-section {
    padding: var(--spacing-lg);
  }

  .support-section {
    padding: var(--spacing-lg);
  }

  .testimonials-section {
    padding: var(--spacing-lg);
  }

  .testimonials-list {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }

  .support-buttons {
    flex-direction: column;
    gap: var(--spacing-sm);
  }

  .support-btn {
    width: 100%;
    justify-content: center;
  }
}

@media (max-width: 480px) {
  h1 {
    font-size: 1.75rem;
  }

  h2 {
    font-size: 1.35rem;
  }

  .btn,
  button {
    width: 100%;
    padding: 0.95rem;
  }

  .language-btn {
    width: auto;
    padding: 0.7rem 1.5rem;
  }
}

/* Versión 2.0 - Complete Design System */
/* ============================================
   BLOG NAVIGATION MENU
   ============================================ */
.blog-nav-menu {
  background: linear-gradient(135deg, var(--color-bg-primary) 0%, var(--color-bg-tertiary) 100%);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  margin: var(--spacing-xl) auto;
  max-width: 650px;
  box-shadow: var(--shadow-md);
  text-align: center;
}

.blog-nav-menu h2 {
  font-size: clamp(1.2rem, 3vw, 1.5rem);
  margin-bottom: var(--spacing-md);
  color: var(--color-text-primary);
}

.menu-buttons {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
}

.menu-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.9rem 1.75rem;
  border-radius: var(--radius-md);
  text-decoration: none;
  font-weight: 600;
  font-family: 'Poppins', sans-serif;
  transition: all var(--transition-base);
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: white;
  box-shadow: var(--shadow-md);
  min-height: 44px;
}

.menu-btn:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-xl);
}

.menu-btn.secondary {
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
}

/* ============================================
   BLOG ARTICLE PAGES
   ============================================ */
.article-header {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: white;
  padding: var(--spacing-lg);
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.article-logo h1 {
  color: white !important;
  font-size: clamp(1.5rem, 4vw, 2rem);
  margin: 0;
}

.article-logo a {
  color: white;
  text-decoration: none;
}

.article-logo a:hover {
  opacity: 0.9;
}

.blog-article {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.article-content {
  background: var(--color-bg-primary);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-lg);
  margin-bottom: var(--spacing-xl);
}

.article-title {
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  color: var(--color-primary);
  margin-bottom: var(--spacing-lg);
  line-height: 1.2;
}

.article-body {
  font-size: 1.1rem;
  line-height: 1.8;
  color: var(--color-text-primary);
}

.article-body p {
  margin-bottom: var(--spacing-lg);
}

.article-body h2 {
  color: var(--color-primary);
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-md);
  font-size: clamp(1.4rem, 3vw, 1.8rem);
}

.article-body strong {
  color: var(--color-primary-dark);
  font-weight: 700;
}

.article-list {
  list-style: none;
  padding: 0;
  margin: var(--spacing-lg) 0;
}

.article-list li {
  padding: var(--spacing-sm) 0;
  font-size: 1.05rem;
  line-height: 1.7;
}

.example-box {
  background: var(--color-bg-tertiary);
  border-left: 4px solid var(--color-error);
  padding: var(--spacing-lg);
  margin: var(--spacing-lg) 0;
  border-radius: var(--radius-md);
}

.example-box.success {
  border-left-color: var(--color-success);
  background: #f0fdf4;
}

.example-text {
  font-style: italic;
  color: var(--color-text-secondary);
  margin: var(--spacing-sm) 0;
}

.result-text {
  font-weight: 600;
  color: var(--color-text-primary);
  margin-top: var(--spacing-sm);
}

.conclusion-box {
  background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-primary) 100%);
  color: white;
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  margin: var(--spacing-xl) 0;
  text-align: center;
}

.conclusion-box p {
  color: white !important;
  margin: 0;
  font-size: 1.1rem;
  font-weight: 500;
}

/* ============================================
   SOCIAL SHARE BUTTONS
   ============================================ */
.share-buttons {
  margin: var(--spacing-xl) 0;
  padding: var(--spacing-lg);
  background: var(--color-bg-secondary);
  border-radius: var(--radius-lg);
  text-align: center;
}

.share-text {
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-md);
}

.share-icons {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
}

.share-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  color: white;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-md);
}

.share-btn:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-xl);
}

.share-btn.facebook {
  background: #1877F2;
}

.share-btn.twitter {
  background: #000000;
}

.share-btn.linkedin {
  background: #0A66C2;
}

.share-btn.whatsapp {
  background: #25D366;
}

/* ============================================
   ARTICLE NAVIGATION
   ============================================ */
.article-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--spacing-md);
  margin: var(--spacing-xl) 0;
  padding-top: var(--spacing-lg);
  border-top: 2px solid var(--color-bg-tertiary);
  flex-wrap: wrap;
}

.nav-arrows {
  display: flex;
  gap: var(--spacing-md);
}

.nav-btn {
  display: inline-flex;
  align-items: center;
  padding: 0.7rem 1.5rem;
  border-radius: var(--radius-md);
  text-decoration: none;
  font-weight: 500;
  transition: all var(--transition-base);
  background: var(--color-primary);
  color: white;
  box-shadow: var(--shadow-sm);
}

.nav-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  background: var(--color-primary-dark);
}

.nav-btn.back-btn {
  background: var(--color-accent);
}

.nav-btn.back-btn:hover {
  background: var(--color-accent-dark);
}

.nav-btn.disabled {
  background: var(--color-bg-tertiary);
  color: var(--color-text-light);
  pointer-events: none;
  cursor: not-allowed;
}

.back-home {
  text-align: center;
  margin: var(--spacing-xl) 0;
}

.home-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 2rem;
  border-radius: var(--radius-md);
  text-decoration: none;
  font-weight: 600;
  font-family: 'Poppins', sans-serif;
  transition: all var(--transition-base);
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: white;
  box-shadow: var(--shadow-md);
}

.home-btn:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-xl);
}

/* ============================================
   BLOG INDEX PAGE
   ============================================ */
.blog-index {
  max-width: 900px;
  margin: 0 auto;
  padding: var(--spacing-xl) var(--spacing-md);
}

.blog-index h1 {
  text-align: center;
  color: var(--color-primary);
  font-size: clamp(2rem, 5vw, 3rem);
  margin-bottom: var(--spacing-md);
}

.blog-subtitle {
  text-align: center;
  color: var(--color-text-secondary);
  font-size: 1.1rem;
  margin-bottom: var(--spacing-xl);
}

.articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.article-card {
  background: var(--color-bg-primary);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
  border: 2px solid transparent;
}

.article-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
  border-color: var(--color-primary-light);
}

.article-card.coming-soon {
  opacity: 0.6;
  background: var(--color-bg-secondary);
}

.article-card.coming-soon:hover {
  transform: none;
  border-color: transparent;
}

.article-card-content h2 {
  font-size: clamp(1.2rem, 2.5vw, 1.5rem);
  margin-bottom: var(--spacing-md);
}

.article-card-content h2 a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.article-card-content h2 a:hover {
  color: var(--color-primary-dark);
  text-decoration: underline;
}

.article-excerpt {
  color: var(--color-text-secondary);
  font-size: 1rem;
  line-height: 1.6;
  margin-bottom: var(--spacing-md);
}

.read-more {
  display: inline-flex;
  align-items: center;
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 600;
  transition: all var(--transition-fast);
}

.read-more:hover {
  color: var(--color-primary-dark);
  gap: 0.5rem;
}

.article-footer {
  background: var(--color-bg-tertiary);
  color: var(--color-text-secondary);
  text-align: center;
  padding: var(--spacing-lg);
  margin-top: var(--spacing-2xl);
}

/* ============================================
   RESPONSIVE - BLOG
   ============================================ */
@media (max-width: 768px) {
  .article-content {
    padding: var(--spacing-lg);
  }
  
  .article-nav {
    flex-direction: column;
  }
  
  .nav-arrows {
    flex-direction: column;
    width: 100%;
  }
  
  .nav-btn {
    width: 100%;
    justify-content: center;
  }
  
  .share-icons {
    gap: var(--spacing-sm);
  }
  
  .articles-grid {
    grid-template-columns: 1fr;
  }
  
  .menu-buttons {
    flex-direction: column;
  }
  
  .menu-btn {
    width: 100%;
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .share-btn {
    width: 44px;
    height: 44px;
  }
  
  .article-body {
    font-size: 1rem;
  }
}

/* Versión 2.0 - Complete Design System */