/* Блог — layout с сайдбаром */

.blog-page {
  padding-top: 2rem;
  padding-bottom: 3.5rem;
}

.blog-layout {
  display: grid;
  gap: 2.5rem;
  align-items: start;
}

@media (min-width: 960px) {
  .blog-layout {
    grid-template-columns: 1fr 320px;
    gap: 3rem;
  }
}

.blog-layout__main {
  min-width: 0;
}

/* Список статей */
.blog-list {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

.blog-post-preview {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg-white);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.3s, transform 0.3s, border-color 0.3s;
}

.blog-post-preview:hover {
  border-color: rgba(30, 111, 217, 0.35);
  box-shadow: var(--shadow);
  transform: translateY(-3px);
}

.blog-post-preview__link {
  display: grid;
  gap: 0;
}

@media (min-width: 640px) {
  .blog-post-preview__link {
    grid-template-columns: 280px 1fr;
  }

  .blog-post-preview--large .blog-post-preview__link {
    grid-template-columns: 1fr;
  }
}

.blog-post-preview__media {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--bg);
}

.blog-post-preview__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.45s ease;
}

.blog-post-preview:hover .blog-post-preview__media img {
  transform: scale(1.05);
}

.blog-post-preview__body {
  padding: 1.35rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.blog-post-preview__date {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--blue);
}

.blog-post-preview__title {
  margin: 0;
  font-size: 1.2rem;
  font-weight: 800;
  line-height: 1.3;
  color: var(--graphite);
  letter-spacing: -0.02em;
}

.blog-post-preview__excerpt {
  margin: 0;
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.5;
  flex: 1;
}

.blog-post-preview__more {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--blue);
  margin-top: 0.35rem;
}

.blog-post-preview:hover .blog-post-preview__more {
  color: var(--red);
}

.page-hero--blog {
  border-bottom: 1px solid var(--border);
}

.page-hero--compact {
  padding-bottom: 1rem;
}

.page-hero--compact .container {
  padding-bottom: 0;
}

/* Статья */
.blog-article__header {
  margin-bottom: 1.5rem;
}

.blog-article__date {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--blue);
  padding: 0.35rem 0.75rem;
  background: var(--blue-soft);
  border-radius: 6px;
  margin-bottom: 0.85rem;
}

.blog-article__title {
  margin: 0 0 0.75rem;
  font-size: clamp(1.5rem, 3.5vw, 2.15rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--graphite);
}

.blog-article__lead {
  margin: 0;
  font-size: 1.1rem;
  color: var(--text-muted);
  line-height: 1.55;
}

.blog-article__figure {
  margin: 0 0 2rem;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}

.blog-article__figure img {
  width: 100%;
  display: block;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.blog-article__prose {
  max-width: none;
}

.blog-article__meta {
  margin: 0 0 0.5rem;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-muted);
}

/* Оглавление с якорями */
.blog-toc {
  margin: 0 0 2rem;
  padding: 1.25rem 1.5rem;
  background: linear-gradient(135deg, var(--blue-soft) 0%, #fff 60%);
  border: 1px solid rgba(30, 111, 217, 0.2);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.blog-toc__title {
  margin: 0 0 0.75rem;
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--blue);
}

.blog-toc ol {
  margin: 0;
  padding-left: 1.25rem;
  columns: 1;
  gap: 0.35rem 2rem;
}

@media (min-width: 640px) {
  .blog-toc ol {
    columns: 2;
  }
}

.blog-toc li {
  margin: 0.35rem 0;
  break-inside: avoid;
}

.blog-toc a {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--graphite);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s, border-color 0.2s;
}

.blog-toc a:hover {
  color: var(--blue);
  border-bottom-color: var(--blue);
}

.blog-article__prose h2 {
  scroll-margin-top: calc(var(--header-h) + 1rem);
}

.blog-article__prose h2[id] {
  position: relative;
}

.blog-article__prose h2[id]::before {
  content: "#";
  position: absolute;
  left: -1.25rem;
  opacity: 0;
  color: var(--blue);
  font-weight: 700;
  transition: opacity 0.2s;
}

@media (min-width: 900px) {
  .blog-article__prose h2[id]::before {
    left: -1.5rem;
  }
}

.blog-article__prose h2[id]:hover::before {
  opacity: 0.45;
}

.blog-article__figure--inline {
  margin: 2rem 0;
}

.blog-article__figure figcaption {
  padding: 0.65rem 1rem;
  font-size: 0.82rem;
  color: var(--text-muted);
  background: var(--bg);
  border-top: 1px solid var(--border);
  line-height: 1.45;
}

.blog-article .cta-banner {
  margin-top: 2.5rem;
}

/* Сайдбар */
.blog-sidebar {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

@media (min-width: 960px) {
  .blog-sidebar {
    position: sticky;
    top: calc(var(--header-h) + 1.25rem);
  }
}

.blog-sidebar__widget {
  padding: 1.35rem;
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.blog-sidebar__widget h3 {
  margin: 0 0 0.85rem;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--graphite);
}

.blog-sidebar__widget p {
  margin: 0 0 1rem;
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.45;
}

.blog-sidebar__widget--cta {
  background: linear-gradient(145deg, var(--blue-soft), var(--red-soft));
  border-color: rgba(30, 111, 217, 0.2);
}

.blog-sidebar__widget--dark {
  background: var(--graphite);
  border-color: transparent;
  color: #fff;
}

.blog-sidebar__widget--dark h3 {
  color: #fff;
}

.blog-sidebar__widget--dark p {
  color: rgba(255, 255, 255, 0.7);
}

.blog-sidebar__posts {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.blog-sidebar__post {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 0.75rem;
  align-items: center;
  padding: 0.5rem;
  margin: -0.5rem;
  border-radius: 10px;
  transition: background 0.2s;
}

.blog-sidebar__post:hover {
  background: var(--bg);
}

.blog-sidebar__thumb {
  display: block;
  border-radius: 8px;
  overflow: hidden;
  aspect-ratio: 4 / 3;
  background: var(--bg);
}

.blog-sidebar__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.blog-sidebar__post-title {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--graphite);
  line-height: 1.35;
}

.blog-sidebar__post:hover .blog-sidebar__post-title {
  color: var(--blue);
}

.blog-sidebar__post-date {
  display: block;
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-top: 0.2rem;
}

.blog-sidebar__all {
  display: inline-block;
  margin-top: 0.85rem;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--blue);
}

.blog-sidebar__all:hover {
  color: var(--red);
}

.blog-sidebar__nav a {
  display: block;
  padding: 0.4rem 0;
  font-size: 0.88rem;
  color: var(--graphite-mid);
  border-bottom: 1px solid var(--border);
}

.blog-sidebar__nav a:last-child {
  border-bottom: none;
}

.blog-sidebar__nav a:hover {
  color: var(--blue);
}

.blog-sidebar__messengers {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.blog-sidebar__messengers a {
  padding: 0.5rem 0.85rem;
  font-size: 0.82rem;
  font-weight: 500;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 8px;
  color: #fff;
}

.blog-sidebar__messengers a:hover {
  background: var(--blue);
  border-color: var(--blue);
}

@media (max-width: 959px) {
  .blog-sidebar {
    order: -1;
  }

  .blog-sidebar__widget--cta {
    order: 1;
  }
}