.progreso-barra {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0%;
  background: var(--digital-green);
  z-index: 9999;
  transition: width 0.1s linear;
}

.menu a.active {
  color: var(--digital-green);
}

.label-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--digital-green);
  margin-bottom: 14px;
}

.articulo-hero {
  padding: 80px 80px 48px;
  max-width: 860px;
  margin: 0 auto;
}

.articulo-hero-container {
  animation: fadeUp 0.9s ease both;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

.articulo-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 20px;
  font-size: 13px;
  color: var(--soft-gray);
}

.articulo-breadcrumb a {
  color: var(--digital-green);
  text-decoration: none;
  transition: opacity 0.2s ease;
}

.articulo-breadcrumb a:hover {
  opacity: 0.75;
}

.articulo-categoria-tag {
  display: inline-block;
  background: var(--digital-green);
  color: var(--black);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 5px 14px;
  border-radius: 20px;
  margin-bottom: 20px;
}

.articulo-hero h1 {
  font-family: 'Syne', sans-serif;
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 800;
  line-height: 1.15;
  color: var(--white);
  margin-bottom: 24px;
}

.articulo-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.meta-autor {
  font-size: 14px;
  color: var(--white);
  font-weight: 500;
}

.meta-separador {
  width: 4px;
  height: 4px;
  background: var(--dark-gray);
  border-radius: 50%;
  display: inline-block;
}

.meta-fecha {
  font-size: 14px;
  color: var(--soft-gray);
}

.meta-tiempo {
  font-size: 14px;
  color: var(--digital-green);
  font-weight: 500;
}

.articulo-portada {
  padding: 0 80px 64px;
}

.portada-container {
  max-width: 1100px;
  margin: 0 auto;
}

.portada-container .placeholder-img {
  width: 100%;
  aspect-ratio: 21 / 9;
  border-radius: 12px;
  border: 1px solid var(--dark-gray);
  background: var(--mid-gray);
  font-size: 14px;
  color: var(--soft-gray);
  display: flex;
  align-items: center;
  justify-content: center;
}

.articulo-layout {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 80px 100px;
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 64px;
  align-items: start;
}

.articulo-cuerpo {
  min-width: 0;
}

.articulo-intro {
  font-size: 19px;
  color: var(--white);
  line-height: 1.8;
  margin-bottom: 40px;
  font-weight: 300;
  border-left: 3px solid var(--digital-green);
  padding-left: 24px;
}

.articulo-cuerpo h2 {
  font-family: 'Syne', sans-serif;
  font-size: clamp(20px, 2.5vw, 26px);
  font-weight: 700;
  color: var(--white);
  margin-top: 48px;
  margin-bottom: 18px;
}

.articulo-cuerpo p {
  font-size: 16px;
  color: var(--soft-gray);
  line-height: 1.9;
  margin-bottom: 20px;
}

.articulo-destacado-texto {
  background: var(--mid-gray);
  border-left: 3px solid var(--digital-green);
  border-radius: 0 8px 8px 0;
  padding: 24px 28px;
  margin: 36px 0;
}

.articulo-destacado-texto p {
  font-family: 'Syne', sans-serif;
  font-size: 18px;
  font-weight: 600;
  color: var(--white);
  line-height: 1.5;
  margin: 0;
}

.articulo-lista {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin: 0 0 28px 0;
  padding: 0;
}

.articulo-lista li {
  font-size: 16px;
  color: var(--soft-gray);
  line-height: 1.7;
  padding-left: 24px;
  position: relative;
}

.articulo-lista li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 10px;
  width: 7px;
  height: 7px;
  background: var(--digital-green);
  border-radius: 50%;
}

.articulo-navegacion {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 64px;
  padding-top: 40px;
  border-top: 1px solid var(--dark-gray);
}

.nav-articulo {
  text-decoration: none;
  background: var(--mid-gray);
  border: 1px solid var(--dark-gray);
  border-radius: 10px;
  padding: 20px 22px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: border-color 0.25s ease, transform 0.25s ease;
}

.nav-articulo:hover {
  border-color: var(--digital-green);
  transform: translateY(-3px);
}

.nav-siguiente {
  text-align: right;
}

.nav-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--digital-green);
}

.nav-titulo {
  font-size: 14px;
  font-weight: 500;
  color: var(--white);
  line-height: 1.4;
}

.articulo-sidebar {
  display: flex;
  flex-direction: column;
  gap: 24px;
  position: sticky;
  top: 100px;
}

.sidebar-widget {
  background: var(--mid-gray);
  border: 1px solid var(--dark-gray);
  border-radius: 12px;
  padding: 24px;
  transition: border-color 0.3s ease;
}

.sidebar-widget:hover {
  border-color: rgba(16, 185, 129, 0.4);
}

.sidebar-widget h4 {
  font-family: 'Syne', sans-serif;
  font-size: 15px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 12px;
}

.sidebar-widget p {
  font-size: 14px;
  color: var(--soft-gray);
  line-height: 1.6;
  margin-bottom: 18px;
}

.sidebar-cta {
  display: block;
  text-align: center;
  font-size: 14px;
  padding: 11px 20px;
}

.sidebar-categorias {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.sidebar-categorias li a {
  display: block;
  text-decoration: none;
  font-size: 14px;
  color: var(--soft-gray);
  padding: 8px 0;
  border-bottom: 1px solid rgba(55, 65, 81, 0.4);
  transition: color 0.2s ease;
}

.sidebar-categorias li:last-child a {
  border-bottom: none;
}

.sidebar-categorias li a:hover {
  color: var(--digital-green);
}

.sidebar-articulos {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.sidebar-articulo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  transition: opacity 0.2s ease;
}

.sidebar-articulo:hover {
  opacity: 0.75;
}

.sidebar-articulo-img {
  width: 60px;
  height: 60px;
  flex-shrink: 0;
  aspect-ratio: 1;
  border-radius: 6px;
  font-size: 10px;
}

.sidebar-articulo span {
  font-size: 13px;
  color: var(--soft-gray);
  line-height: 1.4;
}

.articulo-cta {
  padding: 100px 80px;
  background: var(--mid-gray);
  text-align: center;
}

.articulo-cta-inner {
  max-width: 640px;
  margin: 0 auto;
}

.articulo-cta-inner h2 {
  font-family: 'Syne', sans-serif;
  font-size: clamp(26px, 3.5vw, 40px);
  font-weight: 800;
  color: var(--white);
  margin-bottom: 16px;
}

.articulo-cta-inner p {
  font-size: 16px;
  color: var(--soft-gray);
  margin-bottom: 36px;
  line-height: 1.7;
}

@media (max-width: 1024px) {
  .articulo-hero    { padding: 80px 40px 40px; }
  .articulo-portada { padding: 0 40px 48px; }
  .articulo-layout  { padding: 0 40px 80px; gap: 48px; }
  .articulo-cta     { padding: 80px 40px; }

  .articulo-layout {
    grid-template-columns: 1fr 280px;
  }
}

@media (max-width: 768px) {
  .articulo-hero    { padding: 60px 24px 32px; }
  .articulo-portada { padding: 0 24px 40px; }
  .articulo-layout  { padding: 0 24px 60px; }
  .articulo-cta     { padding: 60px 24px; }

  .articulo-layout {
    grid-template-columns: 1fr;
  }

  .articulo-sidebar {
    position: static;
  }

  .portada-container .placeholder-img {
    aspect-ratio: 16 / 9;
  }

  .articulo-navegacion {
    grid-template-columns: 1fr;
  }

  .nav-siguiente {
    text-align: left;
  }
}

@media (max-width: 480px) {
  .articulo-intro {
    font-size: 17px;
  }
}

.portada-container img {
  width: 85%;
  max-height: 500px;
  object-fit: cover;
  display: block;
  border-radius: 12px;
  margin: 0 auto;
}