/* ==========================================================================
   BLOG-POST.CSS - Artículo individual de blog
   Peak Site Studio · usa las variables definidas en styles.css
   ========================================================================== */

/* ===== BARRA DE PROGRESO DE LECTURA ===== */
.reading-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0%;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  z-index: 10000;
  transition: width 0.1s ease-out;
}

/* ===== MIGA DE PAN ===== */
.post-breadcrumb {
  padding: 18px 0;
  font-size: 0.85rem;
  border-bottom: 1px solid var(--border-light);
}
body.dark .post-breadcrumb {
  border-bottom: 1px solid var(--border-dark);
}
.post-breadcrumb a {
  color: var(--text-soft-light);
  text-decoration: none;
}
body.dark .post-breadcrumb a {
  color: var(--text-soft-dark);
}
.post-breadcrumb a:hover {
  color: var(--accent);
}
.post-breadcrumb span {
  color: var(--text-soft-light);
  margin: 0 6px;
}
body.dark .post-breadcrumb span {
  color: var(--text-soft-dark);
}
.post-breadcrumb .current {
  color: var(--text-light);
  font-weight: 500;
}
body.dark .post-breadcrumb .current {
  color: var(--text-dark);
}

/* ===== HERO DEL ARTÍCULO ===== */
.post-hero {
  padding: 4rem 0 3.5rem;
  background: var(--bg-light);
}
body.dark .post-hero {
  background: var(--bg-dark);
}
.post-hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 3.5rem;
  align-items: center;
}
.post-hero-text .tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent);
  margin-bottom: 1rem;
}
.post-hero-text h1 {
  font-family: "Space Grotesk", sans-serif;
  font-size: 2.6rem;
  line-height: 1.15;
  color: var(--text-light);
  margin: 0 0 1.2rem;
}
body.dark .post-hero-text h1 {
  color: var(--text-dark);
}
.post-hero-text p {
  font-size: 1.1rem;
  color: var(--text-soft-light);
  max-width: 480px;
}
body.dark .post-hero-text p {
  color: var(--text-soft-dark);
}

/* ===== MOCKUP DE SERP (ilustrativo, sin marcas de terceros) ===== */
.serp-mock {
  background: var(--card-bg-light);
  border: 1px solid var(--border-light);
  border-radius: 20px;
  padding: 1.5rem;
  box-shadow: 0 20px 50px rgba(10, 15, 44, 0.08);
}
body.dark .serp-mock {
  background: var(--card-bg-dark);
  border-color: var(--border-dark);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
}
.serp-mock-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 1.25rem;
}
.serp-mock-bar span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--border-light);
  display: inline-block;
}
body.dark .serp-mock-bar span {
  background: var(--border-dark);
}
.serp-mock-search {
  flex: 1;
  margin-left: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-light);
  border: 1px solid var(--border-light);
  border-radius: 50px;
  padding: 8px 16px;
  font-size: 0.85rem;
  color: var(--text-soft-light);
}
body.dark .serp-mock-search {
  background: var(--bg-dark);
  border-color: var(--border-dark);
  color: var(--text-soft-dark);
}
.serp-mock-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}
.serp-mock-results {
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}
.serp-mock-result {
  padding-bottom: 1.1rem;
  border-bottom: 1px solid var(--border-light);
}
body.dark .serp-mock-result {
  border-color: var(--border-dark);
}
.serp-mock-result:last-child {
  border-bottom: none;
  padding-bottom: 0;
}
.serp-mock-result .line {
  height: 9px;
  border-radius: 5px;
  background: var(--border-light);
  margin-bottom: 8px;
}
body.dark .serp-mock-result .line {
  background: var(--border-dark);
}
.serp-mock-result .line.accent {
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  height: 7px;
  opacity: 0.85;
}
.serp-mock-result.featured .line:first-child {
  background: var(--primary);
  opacity: 0.85;
  height: 12px;
}
body.dark .serp-mock-result.featured .line:first-child {
  background: var(--text-dark);
  opacity: 0.9;
}
.serp-mock-result .w90 { width: 90%; }
.serp-mock-result .w80 { width: 80%; }
.serp-mock-result .w70 { width: 70%; }
.serp-mock-result .w60 { width: 60%; }
.serp-mock-result .w50 { width: 50%; }
.serp-mock-result .w40 { width: 40%; }
.serp-mock-result .w35 { width: 35%; }
.serp-mock-result .w30 { width: 30%; }

/* ===== LAYOUT: ARTÍCULO + SIDEBAR ===== */
.post-section {
  padding-top: 4rem;
}
.post-layout {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 3.5rem;
  align-items: start;
}

/* ===== ARTÍCULO ===== */
.post-content h2 {
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.7rem;
  color: var(--text-light);
  margin: 3rem 0 1.1rem;
  scroll-margin-top: 100px;
}
body.dark .post-content h2 {
  color: var(--text-dark);
}
.post-content h3 {
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.25rem;
  color: var(--accent2);
  margin: 2rem 0 0.8rem;
}
body.dark .post-content h3 {
  color: var(--accent);
}
.post-content p {
  color: var(--text-soft-light);
  margin-bottom: 1.1rem;
  font-size: 1.02rem;
}
body.dark .post-content p {
  color: var(--text-soft-dark);
}
.post-content strong {
  color: var(--text-light);
}
body.dark .post-content strong {
  color: var(--text-dark);
}
.post-content .post-lead {
  font-size: 1.15rem;
  color: var(--text-light);
  border-left: 3px solid var(--accent);
  padding-left: 1.2rem;
  margin: 1.5rem 0 2rem;
}
body.dark .post-content .post-lead {
  color: var(--text-dark);
}
.post-list {
  margin: 0 0 1.4rem;
  padding-left: 1.3rem;
  color: var(--text-soft-light);
}
body.dark .post-list {
  color: var(--text-soft-dark);
}
.post-list li {
  margin-bottom: 0.5rem;
}

/* ===== BLOQUE AUTOR ===== */
.post-author {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  background: var(--card-bg-light);
  border: 1px solid var(--border-light);
  border-radius: 16px;
  padding: 1.3rem 1.5rem;
  margin-bottom: 2rem;
}
body.dark .post-author {
  background: var(--card-bg-dark);
  border-color: var(--border-dark);
}
.post-author-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  padding: 10px;
  background: var(--primary);
  flex-shrink: 0;
}
.post-author strong {
  color: var(--text-light);
}
body.dark .post-author strong {
  color: var(--text-dark);
}
.post-author-bio {
  margin: 0.4rem 0 0 !important;
  font-size: 0.92rem !important;
}

/* ===== CTA DENTRO DEL ARTÍCULO ===== */
.post-inline-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
  background: linear-gradient(135deg, var(--primary), #10275a);
  border-radius: 20px;
  padding: 2.2rem 2.4rem;
  margin: 3rem 0;
}
.post-inline-cta h3 {
  color: #fff !important;
  margin: 0 0 0.5rem !important;
}
.post-inline-cta p {
  color: rgba(255, 255, 255, 0.75) !important;
  margin: 0 !important;
  max-width: 420px;
}
.post-inline-cta .btn {
  margin-top: 0;
  white-space: nowrap;
}

/* ===== COMENTARIOS ===== */
.post-comments {
  margin-top: 3.5rem;
  padding-top: 2.5rem;
  border-top: 1px solid var(--border-light);
}
body.dark .post-comments {
  border-color: var(--border-dark);
}
.post-comments h3 {
  font-family: "Space Grotesk", sans-serif;
  color: var(--text-light);
  margin: 0 0 1.4rem;
}
body.dark .post-comments h3 {
  color: var(--text-dark);
}
.comment-form textarea,
.comment-form input {
  width: 100%;
  font-family: "Inter", sans-serif;
  padding: 14px 16px;
  border-radius: 12px;
  border: 1px solid var(--border-light);
  background: var(--card-bg-light);
  color: var(--text-light);
  margin-bottom: 1rem;
  box-sizing: border-box;
}
body.dark .comment-form textarea,
body.dark .comment-form input {
  border-color: var(--border-dark);
  background: var(--card-bg-dark);
  color: var(--text-dark);
}
.comment-form textarea {
  height: 130px;
  resize: none;
}
.comment-fields {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}
.comment-check {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--text-soft-light);
  margin-bottom: 1.4rem;
}
body.dark .comment-check {
  color: var(--text-soft-dark);
}
.comment-check input {
  width: auto;
  margin: 3px 0 0;
}
.comment-success {
  display: none;
  color: var(--accent2);
  font-weight: 600;
  margin-top: 1rem !important;
}
.comment-success.show {
  display: block;
}

/* ===== SIDEBAR ===== */
.post-sidebar {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  position: sticky;
  top: 100px;
}
.sidebar-box {
  border-radius: 18px;
  padding: 1.6rem;
  border: 1px solid var(--border-light);
  background: var(--card-bg-light);
}
body.dark .sidebar-box {
  background: var(--card-bg-dark);
  border-color: var(--border-dark);
}
.sidebar-box h3 {
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.05rem;
  margin: 0 0 0.6rem;
  color: var(--text-light);
}
body.dark .sidebar-box h3 {
  color: var(--text-dark);
}
.sidebar-box p {
  font-size: 0.9rem;
  color: var(--text-soft-light);
  margin: 0 0 1rem;
}
body.dark .sidebar-box p {
  color: var(--text-soft-dark);
}

/* TOC */
.toc-toggle {
  display: none;
  width: 100%;
  background: none;
  border: none;
  font-family: "Space Grotesk", sans-serif;
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--text-light);
  padding: 0;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
}
body.dark .toc-toggle {
  color: var(--text-dark);
}
.toc-toggle .chevron {
  transition: transform 0.25s ease;
}
.toc-box.open .toc-toggle .chevron {
  transform: rotate(180deg);
}
.toc-list {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}
.toc-list a {
  font-size: 0.88rem;
  text-decoration: none;
  color: var(--text-soft-light);
  border-left: 2px solid var(--border-light);
  padding-left: 0.8rem;
  transition: color 0.2s ease, border-color 0.2s ease;
}
body.dark .toc-list a {
  color: var(--text-soft-dark);
  border-left-color: var(--border-dark);
}
.toc-list a:hover {
  color: var(--accent2);
}
.toc-list a.active {
  color: var(--accent2);
  border-left-color: var(--accent);
  font-weight: 600;
}

/* CTA sidebar */
.cta-box {
  background: linear-gradient(135deg, var(--primary), #10275a);
  border: none;
}
.cta-box h3,
.cta-box p {
  color: #fff !important;
}
.cta-box p {
  color: rgba(255, 255, 255, 0.75) !important;
}
.cta-box .btn {
  width: 100%;
  text-align: center;
  margin-top: 0;
  box-sizing: border-box;
}

/* Newsletter sidebar */
.newsletter-box input[type="email"] {
  width: 100%;
  padding: 12px 16px;
  border-radius: 10px;
  border: 1px solid var(--border-light);
  background: var(--bg-light);
  color: var(--text-light);
  margin-bottom: 0.9rem;
  box-sizing: border-box;
  font-family: "Inter", sans-serif;
}
body.dark .newsletter-box input[type="email"] {
  border-color: var(--border-dark);
  background: var(--bg-dark);
  color: var(--text-dark);
}
.newsletter-check {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 0.78rem;
  color: var(--text-soft-light);
  margin-bottom: 1rem;
}
body.dark .newsletter-check {
  color: var(--text-soft-dark);
}
.newsletter-check input {
  width: auto;
  margin: 3px 0 0;
}
.newsletter-check a {
  color: var(--accent2);
}
.newsletter-box .btn {
  width: 100%;
  text-align: center;
  margin-top: 0;
  box-sizing: border-box;
}
.newsletter-note {
  font-size: 0.76rem !important;
  margin: 0.9rem 0 0 !important;
  color: var(--text-soft-light) !important;
}
body.dark .newsletter-note {
  color: var(--text-soft-dark) !important;
}

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */
@media (max-width: 991px) {
  .post-hero-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .post-layout {
    grid-template-columns: 1fr;
  }
  .post-sidebar {
    position: static;
    order: -1;
  }
  .toc-box {
    order: -1;
  }
  .toc-toggle {
    display: flex;
  }
  .toc-list {
    display: none;
    margin-top: 1rem;
  }
  .toc-box.open .toc-list {
    display: flex;
  }
}

@media (max-width: 768px) {
  .post-hero {
    padding: 2.5rem 0 2rem;
  }
  .post-hero-text h1 {
    font-size: 1.9rem !important;
  }
  .post-content h2 {
    font-size: 1.4rem !important;
  }
  .comment-fields {
    grid-template-columns: 1fr;
  }
  .post-inline-cta {
    flex-direction: column;
    align-items: flex-start;
    padding: 1.8rem;
  }
  .post-inline-cta .btn {
    width: 100%;
    text-align: center;
    box-sizing: border-box;
  }
}