/* ====================================================================
   Creative Scope — Blog styles (hub + post template)
   Prefix: .blog-*
==================================================================== */

/* =================== HUB =================== */
.blog-hero {
  padding: 140px 0 60px;
  position: relative;
}
.blog-hero-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 24px;
}
.blog-hero-crumb { color: var(--fg-muted); display: inline-flex; align-items: center; gap: 8px; }
.blog-hero-crumb a { color: var(--fg-muted); }
.blog-hero-crumb a:hover { color: var(--fg); }
.blog-hero-crumb .crumb-sep { opacity: .5; }

.blog-hero-head {
  font-size: clamp(48px, 8vw, 120px);
  max-width: 18ch;
  margin-top: 8px;
  letter-spacing: -0.035em;
}
.blog-hero-head .line { overflow: visible !important; }
.blog-hero-head .line span {
  animation: none !important;
  transform: none !important;
  opacity: 1 !important;
}

.blog-hero-lede {
  margin: 28px 0 0;
  font-size: clamp(16px, 1.3vw, 19px);
  line-height: 1.55;
  color: var(--fg-soft);
  max-width: 60ch;
}

/* Category filter */
.blog-filters {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  padding: 32px 0 24px;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  margin: 48px 0 48px;
}
.blog-filters-label {
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-muted);
  margin-right: 6px;
}
.blog-filter {
  display: inline-flex;
  align-items: center;
  padding: 8px 16px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: transparent;
  font-family: var(--font-sans);
  font-size: 13px;
  color: var(--fg);
  cursor: pointer;
  transition: background .2s, border-color .2s, color .2s;
}
.blog-filter:hover { background: color-mix(in oklab, var(--fg) 5%, transparent); }
.blog-filter.is-active {
  background: var(--accent);
  color: var(--accent-ink);
  border-color: var(--accent);
}
.blog-filter-count {
  margin-left: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  opacity: 0.6;
}
.blog-filter.is-active .blog-filter-count { opacity: 0.75; }

/* Grid */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px 32px;
  margin-bottom: 80px;
}
.blog-card {
  display: flex;
  flex-direction: column;
  gap: 16px;
  text-decoration: none;
  color: inherit;
  transition: transform .3s cubic-bezier(.2,.7,.1,1);
}
.blog-card:hover { transform: translateY(-4px); }
.blog-card-img {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  border-radius: 10px;
  background: var(--bg-2);
  border: 1px solid var(--border);
}
.blog-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .6s cubic-bezier(.2,.7,.1,1);
}
.blog-card:hover .blog-card-img img { transform: scale(1.04); }
.blog-card-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg-muted);
}
.blog-card-cat {
  color: var(--fg);
  font-weight: 500;
}
.blog-card-sep { opacity: 0.4; }
.blog-card-title {
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: clamp(20px, 1.8vw, 26px);
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin: 0;
  text-wrap: balance;
}
.blog-card:hover .blog-card-title { color: var(--accent); }
.blog-card-excerpt {
  color: var(--fg-soft);
  font-size: 14.5px;
  line-height: 1.55;
  margin: 0;
  max-width: 42ch;
}
.blog-card-read {
  margin-top: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-muted);
}

/* Empty-state */
.blog-empty {
  padding: 60px 0;
  text-align: center;
  color: var(--fg-muted);
  font-size: 14px;
}

/* =================== POST =================== */
.bp-hero {
  padding: 120px 0 40px;
}
.bp-crumb {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg-muted);
  margin-bottom: 18px;
}
.bp-crumb a { color: var(--fg-muted); }
.bp-crumb a:hover { color: var(--fg); }
.bp-crumb .sep { opacity: 0.4; }

.bp-category {
  display: inline-block;
  padding: 6px 14px;
  border-radius: 999px;
  background: var(--accent);
  color: var(--accent-ink);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 500;
  margin-bottom: 20px;
}

.bp-title {
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: clamp(38px, 6vw, 72px);
  line-height: 1.05;
  letter-spacing: -0.035em;
  margin: 0 0 24px;
  max-width: 20ch;
  text-wrap: balance;
}
.bp-title em {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
  letter-spacing: -0.02em;
}

.bp-subtitle {
  font-size: clamp(16px, 1.25vw, 19px);
  line-height: 1.55;
  color: var(--fg-soft);
  max-width: 62ch;
  margin: 0 0 36px;
}

/* Meta strip (author + date + reading time) */
.bp-meta {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
  padding: 20px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  margin-bottom: 40px;
}
.bp-meta-author {
  display: flex;
  align-items: center;
  gap: 10px;
}
.bp-meta-avatar {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--accent-ink);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 13px;
  letter-spacing: 0.02em;
}
.bp-meta-name {
  font-size: 13.5px;
  font-weight: 500;
}
.bp-meta-role {
  font-size: 11px;
  color: var(--fg-muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.bp-meta-sep {
  width: 1px;
  height: 24px;
  background: var(--border);
}
.bp-meta-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.bp-meta-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fg-muted);
}
.bp-meta-value {
  font-size: 13px;
  color: var(--fg);
}
.bp-meta-share {
  margin-left: auto;
  display: flex;
  gap: 8px;
}
.bp-meta-share-btn {
  width: 32px; height: 32px;
  border-radius: 50%;
  border: 1px solid var(--border);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--fg-soft);
  transition: color .2s, border-color .2s, background .2s;
  cursor: pointer;
}
.bp-meta-share-btn:hover {
  color: var(--fg);
  border-color: var(--fg);
  background: color-mix(in oklab, var(--fg) 5%, transparent);
}

/* Hero image */
.bp-hero-img {
  aspect-ratio: 16 / 8.5;
  overflow: hidden;
  border-radius: 14px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  margin-bottom: 72px;
}
.bp-hero-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* Article grid — TOC sidebar + body */
.bp-article {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 72px;
  align-items: start;
  padding-bottom: 80px;
}
.bp-toc {
  position: sticky;
  top: 100px;
  align-self: start;
}
.bp-toc-label {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fg-muted);
  margin: 0 0 14px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}
.bp-toc ol {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
  counter-reset: toc;
}
.bp-toc li { counter-increment: toc; }
.bp-toc a {
  display: flex;
  gap: 10px;
  padding: 8px 0;
  font-size: 13px;
  line-height: 1.4;
  color: var(--fg-soft);
  border-left: 2px solid transparent;
  padding-left: 10px;
  margin-left: -10px;
  transition: color .2s, border-color .2s;
}
.bp-toc a:hover { color: var(--fg); }
.bp-toc a::before {
  content: counter(toc, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--fg-muted);
  letter-spacing: 0.08em;
  padding-top: 2px;
  flex-shrink: 0;
}
.bp-toc a.is-active {
  color: var(--fg);
  border-left-color: var(--accent);
}
.bp-toc a.is-active::before { color: var(--accent); }

/* Body prose */
.bp-body {
  max-width: 68ch;
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.7;
  color: var(--fg);
}
.bp-body > p {
  margin: 0 0 24px;
  color: var(--fg-soft);
}
.bp-body p strong { color: var(--fg); font-weight: 500; }

.bp-body h2 {
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: clamp(28px, 3vw, 38px);
  line-height: 1.15;
  letter-spacing: -0.025em;
  margin: 64px 0 20px;
  scroll-margin-top: 100px;
  text-wrap: balance;
}
.bp-body h2 em {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
}

.bp-body h3 {
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 21px;
  line-height: 1.3;
  letter-spacing: -0.01em;
  margin: 44px 0 14px;
  color: var(--fg);
}

.bp-body a {
  color: var(--fg);
  text-decoration: underline;
  text-decoration-color: color-mix(in oklab, var(--accent) 70%, var(--fg));
  text-underline-offset: 3px;
  text-decoration-thickness: 1.5px;
  transition: color .2s;
}
.bp-body a:hover { color: var(--accent); }

/* Reset link styling inside buttons and callouts-with-buttons */
.bp-body a.btn,
.bp-body a.btn-ghost,
.bp-cta a.btn,
.bp-cta a.btn-ghost {
  color: var(--accent-ink);
  text-decoration: none !important;
}
.bp-body a.btn-ghost,
.bp-cta a.btn-ghost {
  color: var(--fg);
}
.bp-body a.btn:hover,
.bp-body a.btn-ghost:hover,
.bp-cta a.btn:hover,
.bp-cta a.btn-ghost:hover {
  color: var(--accent-ink);
  text-decoration: none !important;
}
.bp-body a.btn-ghost:hover,
.bp-cta a.btn-ghost:hover {
  color: var(--fg);
}

.bp-body ul, .bp-body ol {
  margin: 0 0 28px;
  padding-left: 22px;
  color: var(--fg-soft);
}
.bp-body li { margin-bottom: 8px; line-height: 1.65; }
.bp-body li strong { color: var(--fg); }

.bp-body img {
  width: 100%;
  height: auto;
  border-radius: 10px;
  margin: 40px 0;
  border: 1px solid var(--border);
}
.bp-body figure { margin: 40px 0; }
.bp-body figure img { margin: 0; }
.bp-body figcaption {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--fg-muted);
  letter-spacing: 0.04em;
  margin-top: 10px;
  text-align: center;
}

.bp-body blockquote {
  margin: 40px 0;
  padding: 28px 32px;
  border-left: 3px solid var(--accent);
  background: color-mix(in oklab, var(--fg) 3%, transparent);
  border-radius: 0 10px 10px 0;
  font-family: var(--font-serif);
  font-style: italic;
  font-size: clamp(18px, 1.6vw, 22px);
  line-height: 1.45;
  color: var(--fg);
}
.bp-body blockquote cite {
  display: block;
  margin-top: 12px;
  font-family: var(--font-mono);
  font-style: normal;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg-muted);
}

/* Inline highlight / callout box */
.bp-callout {
  padding: 24px 28px;
  margin: 36px 0;
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: 8px;
  background: color-mix(in oklab, var(--fg) 2%, transparent);
}
.bp-callout-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fg-muted);
  margin: 0 0 8px;
  font-weight: 500;
}
.bp-callout p { margin: 0 !important; color: var(--fg) !important; }

/* Post FAQ */
.bp-faq {
  padding: 60px 0;
  border-top: 1px solid var(--border);
  margin-top: 56px;
}
.bp-faq h2 {
  margin-top: 0;
}
.bp-faq-item {
  border-top: 1px solid var(--border);
}
.bp-faq-item:last-child { border-bottom: 1px solid var(--border); }
.bp-faq-q {
  width: 100%;
  background: transparent;
  border: 0;
  padding: 22px 0;
  display: grid;
  grid-template-columns: 1fr 28px;
  align-items: center;
  gap: 16px;
  cursor: pointer;
  color: var(--fg);
  text-align: left;
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.4;
  font-weight: 500;
}
.bp-faq-plus {
  font-size: 18px;
  width: 28px; height: 28px;
  border: 1px solid var(--border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background .2s, color .2s, border-color .2s, transform .2s;
}
.bp-faq-item-open .bp-faq-plus {
  background: var(--accent);
  color: var(--accent-ink);
  border-color: var(--accent);
}
.bp-faq-a {
  padding: 0 0 22px;
  font-size: 15.5px;
  line-height: 1.6;
  color: var(--fg-soft);
  max-width: 72ch;
}

/* Author box */
.bp-author {
  display: grid;
  grid-template-columns: 72px 1fr auto;
  gap: 20px;
  align-items: center;
  padding: 32px;
  border: 1px solid var(--border);
  border-radius: 12px;
  margin: 56px 0 0;
  background: color-mix(in oklab, var(--fg) 2%, transparent);
}
.bp-author-avatar {
  width: 72px; height: 72px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--accent-ink);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 24px;
}
.bp-author-name {
  font-weight: 500;
  font-size: 17px;
  margin: 0 0 4px;
}
.bp-author-bio {
  font-size: 13px;
  color: var(--fg-soft);
  line-height: 1.5;
  margin: 0;
  max-width: 52ch;
}

/* Related posts */
.bp-related {
  padding: 80px 0;
  border-top: 1px solid var(--border);
}
.bp-related-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 40px;
  flex-wrap: wrap;
  gap: 16px;
}
.bp-related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

/* CTA block (in-post) */
.bp-cta {
  margin: 64px 0;
  padding: 48px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: color-mix(in oklab, var(--fg) 3%, transparent);
  position: relative;
  overflow: hidden;
}
.bp-cta::before {
  content: "";
  position: absolute;
  top: 0; right: 0; bottom: 0;
  width: 200px;
  background: linear-gradient(135deg, color-mix(in oklab, var(--accent) 20%, transparent), transparent);
  pointer-events: none;
}
.bp-cta-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-muted);
  margin: 0 0 12px;
}
.bp-cta-h {
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: clamp(22px, 2.4vw, 30px);
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin: 0 0 16px;
  max-width: 20ch;
}
.bp-cta-h em {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
}
.bp-cta-body {
  font-size: 15px;
  color: var(--fg-soft);
  line-height: 1.55;
  max-width: 56ch;
  margin: 0 0 24px;
}

/* =================== RESPONSIVE =================== */
@media (max-width: 1100px) {
  .blog-grid { grid-template-columns: repeat(2, 1fr); }
  .bp-article { grid-template-columns: 1fr; gap: 40px; }
  .bp-toc { position: static; display: none; }  /* Hide TOC on tablet */
  .bp-related-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 760px) {
  .blog-hero { padding: 96px 0 48px; }
  .blog-hero-head { font-size: clamp(40px, 12vw, 64px); }
  .blog-filters { gap: 8px; padding: 24px 0 18px; margin: 32px 0; }
  .blog-filter { padding: 6px 12px; font-size: 12px; }
  .blog-grid { grid-template-columns: 1fr; gap: 32px; }
  .bp-hero { padding: 96px 0 32px; }
  .bp-title { font-size: clamp(32px, 9vw, 48px); }
  .bp-hero-img { margin-bottom: 40px; }
  .bp-body { font-size: 16px; }
  .bp-body h2 { font-size: clamp(24px, 7vw, 32px); margin: 48px 0 16px; }
  .bp-author { grid-template-columns: 56px 1fr; }
  .bp-author > a { grid-column: 1 / -1; }
  .bp-author-avatar { width: 56px; height: 56px; font-size: 20px; }
  .bp-related-grid { grid-template-columns: 1fr; }
  .bp-cta { padding: 28px; }
}

/* ============= MOBILE FIXES (≤760px) ============= */
@media (max-width: 760px) {
  .blog-grid,
  .bp-related-grid { grid-template-columns: 1fr !important; gap: 24px; }
  .bp-author { grid-template-columns: 56px 1fr; }
  .bp-author > :nth-child(3) { grid-column: 1 / -1; }
  .bp-toc { display: none; }
  .bp-grid { grid-template-columns: 1fr !important; }
}