/* single.css — Single article page */

.bu-single { padding-bottom: 48px; }
.bu-single__wrap { max-width: var(--max); margin: 0 auto; padding: 0; }
.bu-single__breadcrumb { display: flex; align-items: center; gap: 6px; font-size: var(--f-sm); font-weight: 700; letter-spacing: .6px; text-transform: uppercase; color: var(--g4); padding: 14px 0; }
.bu-single__breadcrumb a { color: var(--accent); }
.bu-single__breadcrumb span { color: var(--g3); }
.bu-single__main-grid { display: grid; grid-template-columns: 1fr 300px; gap: 48px; align-items: start; }
.bu-single__left { min-width: 0; }
.bu-single__premium { display: inline-flex; align-items: center; gap: 5px; background: var(--black); color: var(--white); font-size: var(--f-xs); font-weight: 700; letter-spacing: .8px; text-transform: uppercase; padding: 4px 10px; margin-bottom: 12px; }
.bu-single__title { font-size: clamp(1.5rem, 3.5vw, 1.9rem); font-weight: 800; line-height: 1.25; letter-spacing: -.5px; color: var(--black); margin-bottom: 16px; }
.bu-single__meta { display: flex; align-items: center; gap: 12px; padding-bottom: 16px; border-bottom: 1px solid var(--g2); margin-bottom: 20px; flex-wrap: wrap; }
.bu-single__meta-left { display: flex; align-items: center; gap: 10px; }
.bu-single__avatar { width: 36px; height: 36px; border-radius: 50%; object-fit: cover; }
.bu-single__meta-info { display: flex; flex-direction: column; }
.bu-single__author { font-size: var(--f-sm2); font-weight: 700; color: var(--black); }
.bu-single__author:hover { color: var(--accent); }
.bu-single__date { font-size: var(--f-sm); color: var(--g4); }
.bu-single__share { display: flex; gap: 5px; margin-left: auto; flex-wrap: wrap; }
.bu-single__share a { width: 30px; height: 30px; border: 1px solid var(--g2); display: flex; align-items: center; justify-content: center; font-size: var(--f-sm); color: var(--g5); transition: all var(--tr); }
.bu-single__share a:hover { border-color: var(--accent); color: var(--accent); }
.bu-single__hero-image { margin-bottom: 20px; }
.bu-single__hero-img { width: 100%; height: auto; }
.bu-single__caption { font-size: var(--f-sm); color: var(--g4); padding-top: 8px; border-top: 1px solid var(--g2); margin-top: 8px; line-height: 1.5; }
.bu-single__tools { display: flex; align-items: center; gap: 8px; padding: 10px 0; border-top: 1px solid var(--g2); border-bottom: 1px solid var(--g2); margin-bottom: 22px; }
.reading-time-badge { display: flex; align-items: center; gap: 5px; font-size: var(--f-sm); color: var(--g4); }
.bu-tool-btn { display: flex; align-items: center; gap: 5px; padding: 6px 12px; border: 1px solid var(--g2); background: none; font-size: var(--f-sm2); font-weight: 500; color: var(--g5); cursor: pointer; font-family: var(--font); transition: all var(--tr); }
.bu-tool-btn:hover, .bu-tool-btn.is-active { border-color: var(--black); color: var(--black); }
.bu-single__content { font-family: var(--font); font-size: var(--f-md); line-height: 1.85; color: #2a2a2a; }
.bu-single__content p { margin-bottom: 22px; }
.bu-single__content h2 { font-family: var(--font); font-size: var(--f-h2); font-weight: 800; color: var(--black); margin: 32px 0 14px; letter-spacing: -.3px; }
.bu-single__content h3 { font-size: var(--f-h4); font-weight: 700; margin: 24px 0 10px; }
.bu-single__content a { color: var(--accent); text-decoration: none; }
.bu-single__content blockquote { border-left: 3px solid var(--accent); padding: 4px 0 4px 20px; margin: 28px 0; font-style: italic; font-size: var(--f-h4); color: var(--g5); line-height: 1.6; }
.bu-single__content ul, .bu-single__content ol { list-style: revert; padding-left: 24px; margin-bottom: 22px; }
.bu-single__content li { margin-bottom: 6px; }
.bu-single__content img { max-width: 100%; margin: 16px 0; }
.bu-single__content table { width: 100%; border-collapse: collapse; margin-bottom: 22px; font-size: var(--f-sm2); }
.bu-single__content th, .bu-single__content td { padding: 8px 12px; border: 1px solid var(--g2); text-align: left; }
.bu-single__content th { background: var(--g1); font-weight: 700; }
.bu-single__tags { padding: 16px 0; border-top: 1px solid var(--g2); margin-top: 16px; display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.bu-single__tags span { font-size: var(--f-xs); font-weight: 700; letter-spacing: .6px; text-transform: uppercase; color: var(--g4); }
.bu-single__tags a { font-size: var(--f-sm); padding: 4px 10px; border: 1px solid var(--g2); color: var(--g5); transition: all var(--tr); }
.bu-single__tags a:hover { border-color: var(--accent); color: var(--accent); }
.bu-single__sidebar { position: sticky; top: 112px; align-self: start; display: flex; flex-direction: column; gap: 28px; }

@media (max-width: 900px) {
  .bu-single__main-grid { grid-template-columns: 1fr; }
  .bu-single__sidebar { position: static; }
}
@media (max-width: 600px) {
  .bu-single__title { font-size: 1.5rem; }
  .bu-single__share { display: none; }
}

@media (max-width: 768px) {
  .bu-single { padding: 0 16px; }
  .bu-single__title { font-size: 20px !important; line-height: 1.35; }
  .bu-single__meta { flex-wrap: wrap; gap: 8px; }
  .bu-single__content p { font-size: 15px; line-height: 1.7; }
  .bu-single__content h2 { font-size: 18px; }
  .bu-single__content h3 { font-size: 16px; }
  .bu-single__content img { width: 100% !important; height: auto !important; }
}

/* ── Responsive embeds (YouTube, iframes) ── */
.bu-single__content iframe,
.bu-single__content embed,
.bu-single__content object {
  max-width: 100% !important;
  width: 100% !important;
}

.bu-single__content .wp-block-embed,
.bu-single__content .embed-responsive,
.bu-single__content figure.wp-block-embed {
  max-width: 100% !important;
  overflow: hidden;
}

/* YouTube/video aspect ratio wrapper */
.bu-single__content .wp-block-embed__wrapper {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
  overflow: hidden;
}
.bu-single__content .wp-block-embed__wrapper iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100% !important;
  height: 100% !important;
}