/* =============================================
   BLOG HERO
   ============================================= */
.hero {
  background: linear-gradient(135deg, var(--oscuro) 0%, var(--teal-dark) 100%);
  color: var(--crema);
  padding: 180px 2rem 80px;
  text-align: center;
  margin-top: 0;
}

.hero h1 {
  font-family: var(--font-serif);
  font-size: 3.5rem;
  font-weight: 400;
  margin-bottom: 1rem;
  letter-spacing: -1px;
  color: var(--crema);
}

.hero p {
  font-size: 1.15rem;
  color: var(--arena-light);
  max-width: 700px;
  margin: 0 auto;
  font-weight: 300;
  line-height: 1.7;
}

/* =============================================
   BLOG GRID & CARDS (listado)
   ============================================= */
.blog-section {
  max-width: 1200px;
  margin: 80px auto;
  padding: 0 2rem;
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 3rem;
  margin-bottom: 80px;
}

.blog-card {
  background: var(--blanco);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  transition: all 0.4s var(--ease-out);
  display: flex;
  flex-direction: column;
  height: 100%;
  opacity: 0;
  animation: fadeInUp 0.6s var(--ease-out) forwards;
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

.blog-card:nth-child(1) { animation-delay: 0.1s; }
.blog-card:nth-child(2) { animation-delay: 0.2s; }
.blog-card:nth-child(3) { animation-delay: 0.3s; }
.blog-card:nth-child(4) { animation-delay: 0.4s; }

.blog-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.12);
}

.blog-card-image {
  width: 100%;
  height: 280px;
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--blanco);
  font-size: 3rem;
  font-weight: 300;
  position: relative;
  overflow: hidden;
}

.blog-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.blog-card-image::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0.1);
  opacity: 0;
  transition: opacity 0.4s;
}

.blog-card:hover .blog-card-image::before { opacity: 1; }

.blog-card-content {
  padding: 2rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.blog-card-category {
  display: inline-block;
  background-color: var(--teal);
  color: var(--blanco);
  padding: 0.35rem 0.9rem;
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  margin-bottom: 1rem;
  width: fit-content;
}

.blog-card h3 {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 400;
  color: var(--oscuro);
  margin-bottom: 0.75rem;
  line-height: 1.3;
  flex-grow: 1;
}

.blog-card p {
  color: var(--gris);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.blog-card-meta {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid #E8E6E1;
  font-size: 0.85rem;
  color: var(--gris);
}

.blog-card-link {
  color: var(--teal);
  text-decoration: none;
  font-weight: 600;
  transition: color 0.3s;
  margin-top: auto;
  padding-top: 1rem;
}

.blog-card-link:hover { text-decoration: underline; }

/* =============================================
   NEWSLETTER
   ============================================= */
.newsletter {
  background: linear-gradient(135deg, var(--oscuro) 0%, var(--teal-dark) 100%);
  color: var(--crema);
  padding: 60px 2rem;
  text-align: center;
  border-radius: 12px;
  margin: 80px auto 0;
  max-width: 1200px;
}

.newsletter h2 {
  font-family: var(--font-serif);
  font-size: 2.5rem;
  font-weight: 400;
  margin-bottom: 1.5rem;
  color: var(--crema);
}

.newsletter p {
  font-size: 1.05rem;
  color: var(--arena-light);
  margin-bottom: 2rem;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

.newsletter-form {
  display: flex;
  gap: 1rem;
  max-width: 500px;
  margin: 0 auto;
  flex-wrap: wrap;
  justify-content: center;
}

.newsletter-form input {
  flex: 1;
  min-width: 250px;
  padding: 0.9rem 1.2rem;
  border: none;
  border-radius: 50px;
  background-color: var(--crema);
  color: var(--oscuro);
  font-family: var(--font-sans);
  font-size: 0.95rem;
}

.newsletter-form input::placeholder { color: var(--gris); }

.newsletter-form button {
  padding: 0.9rem 2rem;
  background-color: var(--arena);
  color: var(--oscuro);
  border: none;
  border-radius: 50px;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.3s;
  font-family: var(--font-sans);
  white-space: nowrap;
}

.newsletter-form button:hover { background-color: var(--arena-light); }

/* =============================================
   BREADCRUMB (posts)
   ============================================= */
.breadcrumb {
  max-width: 1000px;
  margin: 120px auto 30px;
  padding: 0 2rem;
  font-size: 0.9rem;
  color: var(--gris);
}

.breadcrumb a {
  color: var(--teal);
  text-decoration: none;
  transition: color 0.3s;
}

.breadcrumb a:hover {
  color: var(--teal-dark);
  text-decoration: underline;
}

.breadcrumb span { margin: 0 0.5rem; color: var(--gris); }

/* =============================================
   ARTICLE LAYOUT (posts)
   ============================================= */
.article-hero {
  width: 100%;
  height: 400px;
  background-size: cover;
  background-position: center;
  margin-bottom: 3rem;
}

.article-container {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 2rem;
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 3rem;
  margin-bottom: 60px;
}

.article-main {
  background-color: var(--blanco);
  padding: 3rem;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.article-header {
  margin-bottom: 2.5rem;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid #E8E6E1;
}

.article-category {
  display: inline-block;
  background-color: var(--teal);
  color: var(--blanco);
  padding: 0.35rem 0.9rem;
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  margin-bottom: 1rem;
  text-transform: uppercase;
}

.article-h1 {
  font-family: var(--font-serif);
  font-size: 2.8rem;
  font-weight: 400;
  color: var(--oscuro);
  margin-bottom: 1.5rem;
  line-height: 1.2;
  letter-spacing: -0.5px;
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 2rem;
  font-size: 0.9rem;
  color: var(--gris);
  flex-wrap: wrap;
}

.article-meta-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.article-meta-author {
  color: var(--teal);
  font-weight: 600;
}

.article-content {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  line-height: 1.9;
  color: var(--oscuro);
}

.article-content p { margin-bottom: 1.8rem; }

.article-content h2 {
  font-size: 1.8rem;
  font-weight: 400;
  color: var(--oscuro);
  margin: 2.5rem 0 1rem;
  line-height: 1.3;
}

.article-content h3 {
  font-size: 1.3rem;
  font-weight: 400;
  color: var(--teal);
  margin: 1.8rem 0 0.8rem;
  line-height: 1.3;
}

.article-content ul {
  margin: 1.5rem 0;
  padding-left: 2rem;
  list-style-type: none;
}

.article-content li {
  margin-bottom: 0.8rem;
  position: relative;
  padding-left: 1rem;
}

.article-content li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 0.35rem;
  height: 0.35rem;
  background-color: var(--teal);
  border-radius: 50%;
}

.article-content strong { color: var(--oscuro); font-weight: 600; }
.article-content em { color: var(--gris); }

.article-cta {
  background: linear-gradient(135deg, var(--teal) 0%, var(--teal-light) 100%);
  color: var(--blanco);
  padding: 2rem;
  border-radius: 8px;
  text-align: center;
  margin: 3rem 0;
}

.article-cta p { margin-bottom: 1.5rem; }

.article-cta-btn {
  display: inline-block;
  background-color: var(--arena);
  color: var(--oscuro);
  padding: 0.9rem 2.5rem;
  text-decoration: none;
  border-radius: 50px;
  font-weight: 600;
  transition: background-color 0.3s;
  cursor: pointer;
  border: none;
  font-family: var(--font-sans);
  font-size: 0.95rem;
}

.article-cta-btn:hover { background-color: var(--arena-light); }

/* =============================================
   SIDEBAR (posts)
   ============================================= */
.article-sidebar {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.sidebar-widget {
  background-color: var(--blanco);
  padding: 1.5rem;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.sidebar-widget h3 {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 400;
  color: var(--oscuro);
  margin-bottom: 1rem;
  padding-bottom: 1rem;
  border-bottom: 2px solid var(--teal);
}

.sidebar-widget a {
  display: block;
  color: var(--teal);
  text-decoration: none;
  margin-bottom: 0.75rem;
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.3s;
}

.sidebar-widget a:hover { color: var(--teal-dark); text-decoration: underline; }

.sidebar-widget p {
  font-size: 0.9rem;
  color: var(--gris);
  line-height: 1.6;
  margin: 0;
}

/* =============================================
   RELATED ARTICLES (posts)
   ============================================= */
.related-section {
  max-width: 1000px;
  margin: 80px auto;
  padding: 0 2rem;
}

.related-section h2 {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 400;
  color: var(--oscuro);
  margin-bottom: 2rem;
  text-align: center;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

.related-card {
  background-color: var(--blanco);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
  transition: all 0.3s var(--ease-out);
}

.related-card:hover { transform: translateY(-4px); box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1); }

.related-card-image {
  width: 100%;
  height: 180px;
  background: linear-gradient(135deg, var(--arena) 0%, var(--arena-light) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
}

.related-card:nth-child(2) .related-card-image {
  background: linear-gradient(135deg, #5B9E6A 0%, #7CB58C 100%);
}

.related-card-content { padding: 1.5rem; }

.related-card h3 {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 400;
  color: var(--oscuro);
  margin-bottom: 0.75rem;
  line-height: 1.4;
}

.related-card-link {
  color: var(--teal);
  text-decoration: none;
  font-weight: 600;
  transition: color 0.3s;
  display: inline-block;
  margin-top: 0.75rem;
}

.related-card-link:hover { color: var(--teal-dark); text-decoration: underline; }

/* =============================================
   BACK TO BLOG (posts)
   ============================================= */
.back-to-blog {
  max-width: 1000px;
  margin: 60px auto;
  padding: 0 2rem;
  text-align: center;
}

.back-to-blog a {
  color: var(--teal);
  text-decoration: none;
  font-weight: 600;
  transition: color 0.3s;
  display: inline-block;
}

.back-to-blog a:hover { color: var(--teal-dark); }
.back-to-blog a::before { content: '← '; margin-right: 0.5rem; }

/* =============================================
   RESPONSIVE BLOG
   ============================================= */
@media (max-width: 768px) {
  .hero h1 { font-size: 2.5rem; }
  .blog-grid { grid-template-columns: 1fr; gap: 2rem; }
  .blog-card-image { height: 220px; }
  .newsletter h2 { font-size: 1.8rem; }
  .newsletter-form { flex-direction: column; }
  .newsletter-form input, .newsletter-form button { width: 100%; }
  .newsletter { margin: 80px 2rem 0; }

  .article-container { grid-template-columns: 1fr; gap: 2rem; }
  .article-main { padding: 1.5rem; }
  .article-h1 { font-size: 1.8rem; }
  .related-grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .hero { padding: 80px 1.5rem 60px; }
  .hero h1 { font-size: 1.8rem; }
  .hero p { font-size: 0.95rem; }
  .blog-section { padding: 0 1rem; }
  .blog-card-content { padding: 1.5rem; }
  .blog-card h3 { font-size: 1.2rem; }
  .blog-card-meta { font-size: 0.75rem; gap: 1rem; }
  .newsletter { padding: 40px 1.5rem; margin: 60px 1rem 0; border-radius: 8px; }
  .newsletter h2 { font-size: 1.5rem; }

  .breadcrumb { margin-top: 80px; font-size: 0.8rem; }
  .article-container { padding: 0 1rem; }
  .article-main { padding: 1.25rem; }
  .article-h1 { font-size: 1.4rem; }
  .article-content { font-size: 0.95rem; line-height: 1.7; }
  .article-content h2 { font-size: 1.3rem; }
  .article-meta { gap: 1rem; font-size: 0.8rem; }
  .related-section { padding: 0 1rem; }
  .related-section h2 { font-size: 1.5rem; }
  .article-cta { padding: 1.5rem; }
}