/* ==========================================
   BLOG POST (single article) styles
   ========================================== */

.container.narrow {
  max-width: 1080px;
}

/* Reading progress bar */
.reading-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--teal), var(--teal-2));
  width: 0;
  z-index: 100;
  box-shadow: 0 0 12px rgba(0,184,158,0.5);
  transition: width 80ms linear;
}

/* ==========================================
   POST HEADER
   ========================================== */
.post-page { position: relative; z-index: 2; }
.post-header {
  padding: 150px 0 50px;
}
.breadcrumb {
  display: flex;
  gap: 8px;
  align-items: center;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--ink-mute);
  margin-bottom: 28px;
}
.breadcrumb a {
  color: var(--ink-dim);
  transition: color .2s;
}
.breadcrumb a:hover { color: var(--teal-2); }
.breadcrumb .sep { opacity: 0.5; }
.breadcrumb > span:last-child { color: var(--teal-2); }

.post-tags {
  display: flex;
  gap: 6px;
  margin-bottom: 22px;
}

.post-h1 {
  font-size: clamp(40px, 6vw, 72px);
  line-height: 1.04;
  letter-spacing: -0.04em;
  font-weight: 600;
  color: #fff;
  margin: 0 0 24px;
  text-wrap: balance;
}
.post-h1 em {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 300;
  color: var(--teal-2);
  letter-spacing: -0.015em;
}

.post-lede {
  font-size: 20px;
  line-height: 1.55;
  color: var(--ink-dim);
  max-width: 62ch;
  margin: 0 0 40px;
  font-weight: 400;
}

.post-byline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 22px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  margin-bottom: 40px;
}
.share {
  display: flex;
  gap: 8px;
}
.share-btn {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  color: var(--ink-dim);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all .2s ease;
}
.share-btn:hover {
  background: var(--teal);
  border-color: var(--teal-2);
  color: #fff;
}
.share-btn.copied {
  background: var(--teal-2);
  color: #022826;
}

/* Cover (mock Google search result) */
.post-cover {
  border-radius: 24px;
  overflow: hidden;
  border: 1px solid var(--border);
  background: linear-gradient(135deg, rgba(0,131,116,0.18) 0%, rgba(0,184,158,0.04) 100%);
  padding: 26px;
  backdrop-filter: blur(10px);
}
.cover-window {
  background: #fff;
  border-radius: 14px;
  overflow: hidden;
  color: #1a1a26;
  box-shadow: 0 30px 80px -20px rgba(0,0,0,0.6);
}
.cover-mac {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 12px 14px;
  background: #f3f4f6;
  border-bottom: 1px solid #e5e7eb;
}
.cover-mac span:nth-child(1),
.cover-mac span:nth-child(2),
.cover-mac span:nth-child(3) {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.cover-mac span:nth-child(1) { background: #ff5f57; }
.cover-mac span:nth-child(2) { background: #ffbd2e; }
.cover-mac span:nth-child(3) { background: #28c941; }
.cover-url {
  flex: 1;
  margin-left: 14px;
  background: #fff;
  border-radius: 999px;
  padding: 6px 14px;
  font-family: var(--mono);
  font-size: 12px;
  color: #6b7280;
  width: auto;
  height: auto;
}
.cover-body {
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 22px;
}
.cover-result {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.cover-result.dim { opacity: 0.5; }
.cr-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 4px;
}
.cr-fav {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: linear-gradient(135deg, #00b89e, #008374);
  flex-shrink: 0;
}
.cr-path {
  font-size: 12px;
  line-height: 1.3;
  color: #4b5563;
}
.cr-path b { color: #111827; font-weight: 500; }
.cr-path span { color: #6b7280; }
.cr-title {
  font-size: 20px;
  font-weight: 500;
  color: #1a73e8;
  letter-spacing: -0.01em;
  line-height: 1.3;
}
.cr-snippet {
  font-size: 14px;
  color: #4b5563;
  line-height: 1.45;
  max-width: 580px;
}
.cr-tag {
  display: inline-block;
  margin-top: 6px;
  background: #fef3c7;
  color: #92400e;
  font-size: 11px;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: 4px;
  width: max-content;
}

/* ==========================================
   POST BODY  (TOC + PROSE)
   ========================================== */
.post-body {
  padding: 30px 0 80px;
}
.with-toc {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 70px;
  align-items: start;
}
.toc {
  position: sticky;
  top: 110px;
  align-self: start;
}
.toc-label {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--teal-2);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.toc-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
  border-left: 1px solid var(--border);
  padding-left: 14px;
}
.toc-list a {
  font-size: 13.5px;
  color: var(--ink-mute);
  padding: 6px 0;
  transition: color .2s;
  position: relative;
}
.toc-list a::before {
  content: "";
  position: absolute;
  left: -15px;
  top: 50%;
  width: 0;
  height: 1px;
  background: var(--teal-2);
  transition: width .25s ease, background .25s;
  transform: translateY(-50%);
}
.toc-list a:hover, .toc-list a.active {
  color: #fff;
}
.toc-list a.active::before {
  width: 8px;
}
.toc-cta {
  margin-top: 26px;
  padding: 18px;
  background: rgba(0,131,116,0.1);
  border: 1px solid rgba(0,184,158,0.2);
  border-radius: 14px;
}
.toc-cta-k {
  display: block;
  font-size: 13px;
  color: var(--ink-dim);
  margin-bottom: 12px;
  line-height: 1.4;
}
.toc-cta-btn {
  font-size: 13px !important;
  padding: 9px 14px !important;
  width: 100%;
  justify-content: center;
}

/* ==========================================
   PROSE (article body)
   ========================================== */
.prose {
  max-width: 720px;
  font-size: 17px;
  line-height: 1.7;
  color: var(--ink);
  letter-spacing: -0.003em;
}
.prose p { margin: 0 0 22px; color: var(--ink); }
.prose p.intro {
  font-size: 19px;
  color: var(--ink);
  line-height: 1.6;
  border-left: 2px solid var(--teal-2);
  padding-left: 20px;
  margin-bottom: 50px;
}
.prose p.intro em {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 300;
  color: var(--teal-3);
}
.prose strong { color: #fff; font-weight: 600; }
.prose em {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 300;
  color: var(--teal-3);
}
.prose a {
  color: var(--teal-2);
  text-decoration: underline;
  text-decoration-color: rgba(0,184,158,0.4);
  text-underline-offset: 3px;
  transition: color .2s, text-decoration-color .2s;
}
.prose a:hover {
  color: var(--teal-3);
  text-decoration-color: var(--teal-3);
}
.prose h2 {
  font-size: 30px;
  font-weight: 600;
  letter-spacing: -0.03em;
  color: #fff;
  margin: 60px 0 20px;
  line-height: 1.2;
  scroll-margin-top: 100px;
}
.prose h3 {
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: #fff;
  margin: 36px 0 14px;
  line-height: 1.25;
}
.prose h3.closing-h {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 300;
  font-size: 32px;
  color: var(--teal-2);
  margin-top: 70px;
  letter-spacing: -0.02em;
}
.prose blockquote {
  margin: 30px 0;
  padding: 22px 26px;
  background: rgba(0,184,158,0.06);
  border: 1px solid rgba(0,184,158,0.18);
  border-left: 3px solid var(--teal-2);
  border-radius: 14px;
  font-size: 17px;
  color: var(--ink);
  font-style: normal;
  line-height: 1.6;
}
.prose blockquote strong { color: var(--teal-3); }
.prose ul.check-bullets,
.prose ol.numbered {
  margin: 0 0 28px;
  padding: 0;
  list-style: none;
}
.prose ul.check-bullets li,
.prose ol.numbered li {
  position: relative;
  padding-left: 32px;
  margin-bottom: 12px;
  color: var(--ink);
}
.prose ul.check-bullets li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 16px;
  height: 16px;
  background: var(--teal);
  border: 1px solid var(--teal-2);
  border-radius: 50%;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12' fill='none' stroke='%23ffffff' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'><path d='M3 6l2 2 4-4'/></svg>");
  background-repeat: no-repeat;
  background-position: center;
}
.prose ol.numbered {
  counter-reset: cnt;
}
.prose ol.numbered li {
  counter-increment: cnt;
}
.prose ol.numbered li::before {
  content: counter(cnt);
  position: absolute;
  left: 0;
  top: 6px;
  width: 22px;
  height: 22px;
  background: var(--teal-soft);
  border: 1px solid var(--teal-2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 600;
  color: var(--teal-2);
}

/* Code block */
.code-block {
  margin: 30px 0;
  background: #04141a;
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
}
.code-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
  background: rgba(0,0,0,0.3);
  border-bottom: 1px solid var(--border);
}
.code-dots { display: flex; gap: 6px; }
.code-dots span { width: 9px; height: 9px; border-radius: 50%; }
.code-dots span:nth-child(1) { background: #ff5f57; }
.code-dots span:nth-child(2) { background: #ffbd2e; }
.code-dots span:nth-child(3) { background: #28c941; }
.code-lang {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--teal-3);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.code-block pre {
  margin: 0;
  padding: 22px 24px;
  font-family: var(--mono);
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--teal-3);
  overflow-x: auto;
  white-space: pre;
}
.code-block code { color: inherit; }

/* Stat strip inside article */
.stat-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin: 28px 0;
}
.strip {
  padding: 22px;
  background: rgba(0,184,158,0.06);
  border: 1px solid rgba(0,184,158,0.18);
  border-radius: 14px;
}
.strip-n {
  font-size: 32px;
  font-weight: 600;
  letter-spacing: -0.03em;
  color: var(--teal-2);
  font-family: var(--mono);
  line-height: 1.1;
  margin-bottom: 6px;
}
.strip-l {
  font-size: 13px;
  color: var(--ink-dim);
}

/* CTA box */
.cta-box {
  display: grid;
  grid-template-columns: 1.2fr auto;
  gap: 40px;
  align-items: center;
  background: linear-gradient(135deg, rgba(0,131,116,0.22) 0%, rgba(0,184,158,0.04) 100%);
  border: 1px solid rgba(0,184,158,0.25);
  border-radius: 20px;
  padding: 32px;
  margin: 60px 0 0;
}
.cta-box .eyebrow { margin-bottom: 12px; }
.cta-box h3 {
  font-size: 24px;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: #fff;
  margin: 0 0 8px;
  line-height: 1.2;
}
.cta-box p {
  font-size: 15px;
  color: var(--ink-dim);
  margin: 0;
  line-height: 1.5;
}

/* ==========================================
   AUTHOR CARD
   ========================================== */
.post-section { padding: 30px 0; position: relative; z-index: 2; }
.author-card {
  display: grid;
  grid-template-columns: 88px 1fr;
  gap: 22px;
  padding: 28px 30px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: 22px;
  align-items: center;
  backdrop-filter: blur(8px);
}
.avatar.lg { width: 80px; height: 80px; }
.ac-body { display: flex; flex-direction: column; gap: 4px; }
.ac-role {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--teal-2);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.ac-body h3 {
  font-size: 22px;
  font-weight: 600;
  color: #fff;
  margin: 0;
  letter-spacing: -0.02em;
}
.ac-body p {
  font-size: 14px;
  color: var(--ink-dim);
  margin: 6px 0 8px;
  line-height: 1.5;
  max-width: 60ch;
}
.ac-links {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--ink-mute);
}
.ac-links a {
  color: var(--teal-2);
  transition: color .2s;
}
.ac-links a:hover { color: var(--teal-3); }
.ac-links .dot { opacity: 0.5; }

/* Related */
.bar-link {
  font-size: 13px;
  color: var(--teal-2);
  font-family: var(--mono);
  transition: color .2s;
}
.bar-link:hover { color: var(--teal-3); }
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

/* ==========================================
   RESPONSIVE
   ========================================== */
@media (max-width: 980px) {
  .with-toc { grid-template-columns: 1fr; gap: 30px; }
  .toc { position: static; }
  .toc-list { flex-direction: row; flex-wrap: wrap; border-left: none; padding-left: 0; gap: 6px; }
  .toc-list a {
    padding: 6px 12px;
    background: rgba(255,255,255,0.04);
    border: 1px solid var(--border);
    border-radius: 999px;
  }
  .toc-list a::before { display: none; }
  .toc-cta { display: none; }
  .cta-box { grid-template-columns: 1fr; gap: 20px; }
  .related-grid { grid-template-columns: 1fr; }
  .stat-strip { grid-template-columns: 1fr; }
}
@media (max-width: 620px) {
  .post-byline { flex-direction: column; align-items: flex-start; gap: 18px; }
  .post-header { padding: 120px 0 30px; }
  .author-card { grid-template-columns: 1fr; }
  .avatar.lg { width: 60px; height: 60px; }
  .post-cover { padding: 14px; }
  .cover-body { padding: 20px; }
}