/* =====================================================
   BLOG | Estilos complementarios de Gas Natural y GLP
   La cabecera, navegación, botones globales y footer
   se heredan de /assets/css/styles.css
   ===================================================== */

.blog-page {
  color: var(--text, #142d4c);
  background: #fff;
}

.blog-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(76px, 10vw, 130px) 24px;
  background:
    radial-gradient(
      circle at 85% 20%,
      rgba(8, 112, 232, 0.16),
      transparent 32%
    ),
    linear-gradient(120deg, #092b59 0%, #0b3d77 65%, #0755a0 100%);
  color: #fff;
}

.blog-hero::after {
  content: "";
  position: absolute;
  right: -100px;
  bottom: -190px;
  width: 420px;
  height: 420px;
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: 50%;
  box-shadow:
    0 0 0 38px rgba(255, 255, 255, 0.035),
    0 0 0 78px rgba(255, 255, 255, 0.025);
  pointer-events: none;
}

.blog-hero-inner {
  position: relative;
  z-index: 1;
  width: min(1120px, 100%);
  margin: 0 auto;
}

.blog-hero .eyebrow {
  color: #9cc9ff;
}

.blog-hero h1 {
  max-width: 800px;
  margin: 18px 0;
  color: #fff;
  font-size: clamp(2.5rem, 6vw, 4.6rem);
  line-height: 1.06;
  letter-spacing: -0.045em;
  font-weight: 800;
}

.blog-hero h1 em {
  color: #75c7a0;
  font-style: normal;
}

.blog-hero p {
  max-width: 650px;
  margin: 0;
  color: rgba(255, 255, 255, 0.83);
  font-size: clamp(1rem, 2vw, 1.15rem);
  line-height: 1.8;
}

.blog-hero-link {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  margin-top: 30px;
  padding: 13px 20px;
  border: 1px solid rgba(255, 255, 255, 0.38);
  border-radius: 5px;
  color: #fff;
  font-weight: 700;
  text-decoration: none;
  transition:
    background 0.2s ease,
    border-color 0.2s ease;
}

.blog-hero-link:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: #fff;
}

.blog-section {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
  padding: clamp(58px, 8vw, 92px) 0;
}

.blog-section-heading {
  display: flex;
  justify-content: space-between;
  align-items: end;
  margin-bottom: 34px;
}

.blog-section-heading h2 {
  margin: 12px 0;
  color: var(--navy, #092b59);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  line-height: 1.2;
  letter-spacing: -0.025em;
}

.blog-section-heading p {
  max-width: 680px;
  margin: 0;
  color: var(--muted, #60738b);
  line-height: 1.75;
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.blog-card {
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--line, #e2eaf3);
  border-radius: 10px;
  background: #fff;
  box-shadow: 0 8px 28px rgba(9, 43, 89, 0.055);
  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease;
}

.blog-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 34px rgba(9, 43, 89, 0.11);
}

.blog-card-image {
  position: relative;
  display: flex;
  min-height: 205px;
  align-items: end;
  padding: 20px;
  overflow: hidden;
  background-color: #123d69;
  background-image: linear-gradient(135deg, #092b59, #0870e8);
  text-decoration: none;
}

.blog-card-image::before,
.blog-card-image::after {
  content: "";
  position: absolute;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 50%;
}

.blog-card-image::before {
  width: 230px;
  height: 230px;
  right: -55px;
  top: -100px;
}

.blog-card-image::after {
  width: 150px;
  height: 150px;
  right: 5px;
  top: -60px;
}

.blog-card-image span {
  position: relative;
  z-index: 1;
  padding: 7px 11px;
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 3px;
  background: rgba(4, 28, 59, 0.35);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.09em;
}

.blog-image-ducts {
  background-image: linear-gradient(135deg, #123c57, #087e91);
}

.blog-image-glp {
  background-image: linear-gradient(135deg, #17395f, #287b69);
}

.blog-card-content {
  padding: 24px;
}

.blog-category {
  color: var(--blue, #0870e8);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.055em;
  text-transform: uppercase;
}

.blog-card h3 {
  margin: 12px 0;
  color: var(--navy, #092b59);
  font-size: 1.17rem;
  line-height: 1.45;
}

.blog-card h3 a {
  color: inherit;
  text-decoration: none;
}

.blog-card h3 a:hover {
  color: var(--blue, #0870e8);
}

.blog-card-content p {
  margin: 0;
  color: var(--muted, #60738b);
  font-size: 0.94rem;
  line-height: 1.75;
}

.blog-read-more {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 22px;
  color: var(--blue, #0870e8);
  font-size: 0.9rem;
  font-weight: 800;
  text-decoration: none;
}

.blog-read-more:hover {
  color: var(--navy, #092b59);
}

.blog-contact {
  display: flex;
  width: min(1120px, calc(100% - 40px));
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  margin: 0 auto 80px;
  padding: clamp(28px, 5vw, 48px);
  border-radius: 10px;
  background: #f2f7fc;
}

.blog-contact > div {
  max-width: 620px;
}

.blog-contact h2 {
  margin: 12px 0;
  color: var(--navy, #092b59);
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  line-height: 1.2;
}

.blog-contact p {
  margin: 0;
  color: var(--muted, #60738b);
  line-height: 1.75;
}

.blog-contact .primary-cta {
  flex-shrink: 0;
  text-decoration: none;
}

@media (max-width: 900px) {
  .blog-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .blog-contact {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 600px) {
  .blog-hero {
    padding: 72px 22px 78px;
  }

  .blog-section {
    width: min(100% - 32px, 500px);
    padding: 58px 0;
  }

  .blog-grid {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .blog-card-image {
    min-height: 185px;
  }

  .blog-card-content {
    padding: 21px;
  }

  .blog-contact {
    width: calc(100% - 32px);
    margin-bottom: 52px;
    padding: 26px 22px;
  }

  .blog-contact .primary-cta {
    width: 100%;
  }
}

/* =========================================
   ARTÍCULOS DEL BLOG
========================================= */

.article-wrap {
  padding-top: 28px;
  padding-bottom: 70px;
}

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-bottom: 30px;
  color: var(--muted, #687386);
  font-size: 13px;
}

.breadcrumbs a,
.back-to-blog a {
  color: var(--blue, #1769aa);
  text-decoration: none;
}

.article-header {
  max-width: 850px;
  margin: 0 auto 30px;
}

.article-header h1 {
  margin: 14px 0;
  color: var(--navy, #142b45);
  font-size: clamp(30px, 5vw, 48px);
  line-height: 1.13;
  letter-spacing: -1.2px;
}

.article-description {
  color: var(--muted, #687386);
  font-size: 18px;
  line-height: 1.7;
}

.article-date {
  margin-top: 18px;
  color: var(--muted, #687386);
  font-size: 13px;
}

.article-cover {
  max-width: 1000px;
  margin: 0 auto 40px;
}

.article-cover img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: 12px;
}

.article-content {
  max-width: 800px;
  margin: 0 auto;
  color: var(--text, #293746);
  font-size: 17px;
  line-height: 1.85;
}

.article-content h2 {
  margin: 42px 0 15px;
  color: var(--navy, #142b45);
  font-size: 27px;
  line-height: 1.25;
}

.article-content h3 {
  margin: 30px 0 12px;
  color: var(--navy, #142b45);
  font-size: 21px;
}

.article-content p {
  margin: 0 0 20px;
}

.article-content ul,
.article-content ol {
  margin: 0 0 24px;
  padding-left: 25px;
}

.article-content li {
  margin-bottom: 9px;
}

.article-content a {
  color: var(--blue, #1769aa);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.article-content img {
  max-width: 100%;
  height: auto;
  border-radius: 10px;
}

.article-contact {
  max-width: 800px;
  margin: 55px auto 40px;
  padding: 30px;
  border: 1px solid var(--line, #e1e6ec);
  border-radius: 12px;
}

.article-contact h2 {
  margin-top: 0;
  color: var(--navy, #142b45);
}

.article-contact p {
  color: var(--muted, #687386);
  line-height: 1.7;
}

.related-posts {
  margin-top: 55px;
}

.related-posts h2 {
  color: var(--navy, #142b45);
  margin-bottom: 22px;
}

.back-to-blog {
  margin-top: 35px;
}

.blog-card-image {
  display: block;
  overflow: hidden;
  aspect-ratio: 16 / 9;
}

.blog-card-image img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.blog-card:hover .blog-card-image img {
  transform: scale(1.035);
}

.blog-read-more {
  display: inline-block;
  margin-top: 12px;
  color: var(--blue, #1769aa);
  font-weight: 700;
  text-decoration: none;
}

@media (max-width: 640px) {
  .article-wrap {
    padding-top: 20px;
  }

  .article-content {
    font-size: 16px;
  }

  .article-content h2 {
    font-size: 23px;
  }

  .article-contact {
    padding: 22px;
  }
}

/* =====================================================
   UNIFICACIÓN VISUAL
   Identidad principal: Gas Natural y GLP
   ===================================================== */

/* Contenedores */
.blog-hero .section-wrap,
.article-wrap,
.blog-listing {
  max-width: 1190px;
}

/* Portada del blog */
.blog-eyebrow {
  display: inline-block;
  color: #9cc9ff;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 1px;
}

/* Tarjetas: compatibilidad con el HTML generado */
.blog-card-body {
  padding: 24px;
}

.blog-card-body h2,
.blog-card-body h3 {
  margin: 12px 0;
  color: var(--navy);
  font-size: 1.17rem;
  line-height: 1.45;
}

.blog-card-body h2 a,
.blog-card-body h3 a {
  color: inherit;
  text-decoration: none;
}

.blog-card-body h2 a:hover,
.blog-card-body h3 a:hover {
  color: var(--blue);
}

.blog-card-body p {
  margin: 0;
  color: var(--muted);
  font-size: 0.94rem;
  line-height: 1.75;
}

/* Página individual */
.article-wrap {
  padding-top: 42px;
  padding-bottom: 80px;
}

.article-header {
  max-width: 900px;
  margin: 0 auto 32px;
}

.article-header h1 {
  color: var(--navy);
  font-size: clamp(32px, 4.5vw, 48px);
  line-height: 1.12;
  letter-spacing: -1.5px;
  font-weight: 800;
}

.article-description {
  color: var(--muted);
  font-size: 18px;
  line-height: 1.75;
}

.article-cover {
  max-width: 1000px;
  margin: 0 auto 48px;
}

.article-content {
  max-width: 800px;
  margin: 0 auto;
  color: var(--text);
  font-family: Inter, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.85;
}

.article-content h2 {
  margin: 42px 0 17px;
  color: var(--navy);
  font-size: 26px;
  line-height: 1.3;
  font-weight: 800;
}

.article-content h3 {
  margin: 30px 0 13px;
  color: var(--navy);
  font-size: 20px;
  line-height: 1.4;
  font-weight: 700;
}

.article-content p {
  margin: 0 0 21px;
}

.article-content ul,
.article-content ol {
  margin: 0 0 25px;
  padding-left: 26px;
}

.article-content li {
  margin-bottom: 10px;
  padding-left: 4px;
}

.article-content img {
  display: block;
  max-width: 100%;
  height: auto;
  margin: 28px auto;
  border-radius: 9px;
}

.article-content a {
  overflow-wrap: anywhere;
}

.article-content table {
  width: 100%;
  margin: 28px 0;
  border-collapse: collapse;
  font-size: 14px;
  display: block;
  max-width: 100%;
  overflow-x: auto;
}

.article-content th {
  background: var(--navy);
  color: white;
  text-align: left;
}

.article-content th,
.article-content td {
  padding: 12px;
  border: 1px solid var(--line);
}

.article-content tr:nth-child(even) {
  background: var(--pale);
}

.article-content blockquote {
  margin: 28px 0;
  padding: 20px 24px;
  border-left: 4px solid var(--blue);
  background: var(--pale);
  color: var(--text);
}

.article-contact {
  background: var(--pale);
  border-color: var(--line);
}

.related-posts {
  max-width: 1120px;
  margin: 65px auto 0;
}

.related-posts h2 {
  color: var(--navy);
  font-size: 26px;
  font-weight: 800;
}

.back-to-blog {
  max-width: 1120px;
  margin: 38px auto 0;
}

/* Navegación */
.main-nav a[aria-current="page"] {
  color: var(--blue);
}

/* Móviles */
@media (max-width: 760px) {
  .article-wrap {
    padding-top: 25px;
    padding-bottom: 55px;
  }

  .article-header h1 {
    font-size: 32px;
  }

  .article-description {
    font-size: 16px;
  }

  .article-content {
    font-size: 16px;
    line-height: 1.8;
  }

  .article-content h2 {
    font-size: 23px;
    margin-top: 34px;
  }

  .article-content table {
    font-size: 12px;
  }

  .article-content th,
  .article-content td {
    padding: 8px;
  }

  .blog-card-body {
    padding: 21px;
  }

  .breadcrumbs {
    font-size: 12px;
  }

  .article-contact {
    margin: 38px 0 30px;
    padding: 22px;
  }

  .article-contact .footer-cta,
  .article-contact .primary-cta {
    width: 100%;
    min-width: 0;
  }

  .related-posts,
  .back-to-blog {
    margin-top: 40px;
  }
}

@media (max-width: 380px) {
  .article-wrap {
    padding-right: 14px;
    padding-left: 14px;
  }

  .article-header h1 {
    font-size: 28px;
    letter-spacing: -0.8px;
  }

  .article-content {
    font-size: 15px;
  }

  .article-content h2 {
    font-size: 21px;
  }

  .article-contact {
    padding: 18px;
  }
}