/* ============================================================
   ART&Signatures — single.css
   Templates: single post, page, 404.
   Design tokens come from style.css.
   ============================================================ */

/* ============================================================
   SINGLE POST
   ============================================================ */

.single-post__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
}
.single-post__container--narrow {
  max-width: 880px;
}

.single-post__header {
  padding: 64px 0 32px;
}

.single-post__category {
  position: relative;
  margin-bottom: 16px;
  min-height: 17px;
}
/* В шапке статьи .artsgn-tag должен стоять в потоке, а не absolute */
.single-post__category .artsgn-tag,
.single-post__category .card__category {
  position: static;
  top: auto;
  left: auto;
}

.single-post__title {
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: clamp(32px, 4.5vw, 56px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--color-text);
  margin: 16px 0 24px;
}

.single-post__meta {
  font-size: 14px;
  color: var(--color-text-muted);
}

.single-post__featured {
  max-width: 1400px;
  margin: 0 auto 48px;
  padding: 0 32px;
}
.single-post__featured img {
  width: 100%;
  height: auto;
  display: block;
}
.single-post__caption {
  font-size: 13px;
  color: var(--color-text-muted);
  margin-top: 12px;
  text-align: center;
}

.single-post__pullquote {
  padding: 24px 0 48px;
}
.single-post__pullquote blockquote {
  font-family: var(--font-script);
  font-size: clamp(28px, 3.5vw, 40px);
  line-height: 1.3;
  color: var(--color-text);
  border-left: 4px solid var(--color-accent);
  padding-left: 24px;
  margin: 0;
}

/* ============================================================
   PROSE — общий типографический набор для тела single + page
   ============================================================ */

.single-post__content,
.page-content__body {
  padding: 0 0 64px;
  font-size: 18px;
  line-height: 1.7;
  color: var(--color-text);
}
.single-post__content p,
.page-content__body p {
  margin: 0 0 1.4em;
}
.single-post__content h2,
.page-content__body h2 {
  font-family: var(--font-sans);
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 700;
  line-height: 1.2;
  margin: 2em 0 0.6em;
}
.single-post__content h3,
.page-content__body h3 {
  font-family: var(--font-sans);
  font-size: 22px;
  font-weight: 600;
  margin: 1.6em 0 0.5em;
}
.single-post__content a,
.page-content__body a {
  color: var(--color-text);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}
.single-post__content a:hover,
.page-content__body a:hover {
  opacity: 0.7;
}
.single-post__content img,
.page-content__body img {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 32px 0;
}
.single-post__content figure,
.page-content__body figure {
  margin: 32px 0;
}
.single-post__content figcaption,
.page-content__body figcaption {
  font-size: 13px;
  color: var(--color-text-muted);
  margin-top: 8px;
}
.single-post__content blockquote,
.page-content__body blockquote {
  border-left: 3px solid var(--color-text);
  padding-left: 20px;
  margin: 24px 0;
  font-style: italic;
  color: var(--color-text-muted);
}
.single-post__content ul, .single-post__content ol,
.page-content__body  ul, .page-content__body  ol {
  margin: 0 0 1.4em 1.5em;
}
.single-post__content li,
.page-content__body li {
  margin-bottom: 0.5em;
}

/* ============================================================
   AUTHOR CARD (rendered by artsgn_render_author_card)
   Markup: .post-author-card > .post-author-card__photo + .post-author-card__info
   ============================================================ */

.single-post__author {
  padding: 48px 0;
  border-top: 1px solid #E5E5E5;
  margin-top: 48px;
}

.post-author-card {
  display: flex;
  flex-direction: row;
  align-items: flex-start;
  gap: 24px;
}
.post-author-card__photo {
  flex: 0 0 80px;
}
.post-author-card__photo img {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  object-fit: cover;
  display: block;
}
.post-author-card__info {
  flex: 1 1 auto;
  min-width: 0;
}
.post-author-card__label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--color-text-muted);
  margin: 0 0 4px;
}
.post-author-card__name {
  font-family: var(--font-sans);
  font-size: 20px;
  font-weight: 700;
  color: var(--color-text);
  margin: 0 0 8px;
  line-height: 1.2;
}
.post-author-card__bio {
  font-size: 15px;
  line-height: 1.6;
  color: var(--color-text-muted);
}
.post-author-card__bio p {
  margin: 0 0 0.8em;
}

/* ============================================================
   PREV/NEXT POST NAVIGATION
   ============================================================ */

.single-post__nav {
  padding: 48px 0;
  border-top: 1px solid var(--color-border-soft);
}
.single-post__nav-links {
  display: flex;
  justify-content: space-between;
  gap: 24px;
}
.single-post__nav-link {
  display: flex;
  flex-direction: column;
  gap: 6px;
  max-width: 45%;
  text-decoration: none;
  color: inherit;
}
.single-post__nav-link--next {
  margin-left: auto;
  text-align: right;
}
.single-post__nav-label {
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  color: var(--color-text-muted);
}
.single-post__nav-title {
  font-size: var(--fs-md);
  font-weight: var(--fw-semibold);
  line-height: var(--lh-snug);
}
.single-post__nav-link:hover .single-post__nav-title { opacity: 0.7; }
@media (max-width: 600px) {
  .single-post__nav-links { flex-direction: column; gap: 16px; }
  .single-post__nav-link,
  .single-post__nav-link--next { max-width: 100%; margin-left: 0; text-align: left; }
}

/* ============================================================
   RELATED — 3 карточки той же категории
   ============================================================ */

.single-post__related {
  padding: 64px 0;
  background: var(--color-bg-alt);
  margin-top: 64px;
}
.single-post__related-title {
  font-family: var(--font-sans);
  font-size: 24px;
  font-weight: 700;
  color: var(--color-text);
  margin: 0 0 32px;
}

/* ============================================================
   PAGE
   ============================================================ */

.page-content__container {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 32px;
}
.page-content__header {
  padding: 64px 0 32px;
}
.page-content__title {
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: clamp(32px, 4.5vw, 48px);
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--color-text);
  margin: 0;
}
.page-content__featured {
  max-width: 1200px;
  margin: 0 auto 48px;
  padding: 0 32px;
}
.page-content__featured img {
  width: 100%;
  height: auto;
  display: block;
}

/* ============================================================
   404
   ============================================================ */

.error-404 {
  padding: 120px 32px;
  text-align: center;
}
.error-404__container {
  max-width: 480px;
  margin: 0 auto;
}
.error-404__code {
  font-family: var(--font-script);
  font-size: 120px;
  color: var(--color-accent);
  line-height: 1;
  margin: 0;
}
.error-404__title {
  font-family: var(--font-sans);
  font-size: 32px;
  font-weight: 700;
  color: var(--color-text);
  margin: 16px 0;
}
.error-404__lead {
  color: var(--color-text-muted);
  margin-bottom: 32px;
}
.error-404__search {
  margin-bottom: 32px;
}
.error-404__link {
  color: var(--color-text);
  text-decoration: none;
  border-bottom: 1px solid var(--color-text);
  padding-bottom: 2px;
}
.error-404__link:hover {
  opacity: 0.7;
}

/* ============================================================
   ADAPTIVE
   ============================================================ */

@media (max-width: 768px) {
  .single-post__container,
  .page-content__container,
  .single-post__featured,
  .page-content__featured {
    padding-left: 20px;
    padding-right: 20px;
  }
  .single-post__header,
  .page-content__header {
    padding-top: 40px;
  }
  .single-post__content,
  .page-content__body {
    font-size: 17px;
  }
  .single-post__pullquote blockquote {
    padding-left: 18px;
  }
  .post-author-card {
    flex-direction: column;
    gap: 16px;
  }
  .error-404 {
    padding: 80px 20px;
  }
  .error-404__code {
    font-size: 96px;
  }
}