/* ==========================================================================
   Dotlancing blog — public pages (/blog/). Builds on base.css + site.css.
   ========================================================================== */

.blog-body { min-height: 100vh; }
.blog-main { padding-top: 5.5rem; }

.blog-skip {
  position: absolute; left: 1rem; top: -4rem; z-index: 100;
  padding: 0.6rem 1rem; border-radius: 0.5rem;
  background: var(--primary); color: var(--primary-foreground); font-size: 0.85rem;
}
.blog-skip:focus { top: 1rem; }

.nav-links a.is-current { color: var(--foreground); }

/* ---- Reading progress ---------------------------------------------------- */
.blog-progress { position: fixed; inset: 0 0 auto 0; height: 3px; z-index: 60; pointer-events: none; }
.blog-progress span { display: block; height: 100%; width: 0; background-image: var(--gradient-brand); }

/* ---- Hero -------------------------------------------------------------------- */
.blog-hero { position: relative; overflow: hidden; padding: 4rem 0 2.5rem; }
.blog-hero-glow { position: absolute; inset: 0 0 auto 0; height: 26rem; background-image: var(--gradient-glow); pointer-events: none; }
.blog-hero .container { position: relative; }
.blog-h1 { margin-top: 1.25rem; font-size: clamp(2.6rem, 8vw, 6rem); max-width: 60rem; }
.blog-h1.is-sub { font-size: clamp(2.2rem, 6vw, 4.2rem); }
.blog-lead { margin-top: 1.5rem; max-width: 42rem; font-size: 1.1rem; line-height: 1.65; color: var(--muted-foreground); }
.blog-actions { margin-top: 2rem; display: flex; flex-wrap: wrap; gap: 0.75rem; }

.blog-chips { margin-top: 2rem; display: flex; flex-wrap: wrap; gap: 0.5rem; }
.blog-chip {
  display: inline-flex; align-items: center; gap: 0.4rem;
  padding: 0.45rem 0.95rem; border-radius: 9999px; font-size: 0.8rem; font-weight: 500;
  background: var(--glass-bg); border: 1px solid var(--glass-border); color: var(--muted-foreground);
  transition: color 0.2s, border-color 0.2s, transform 0.2s;
}
.blog-chip span { font-family: var(--font-mono); font-size: 0.68rem; opacity: 0.7; }
.blog-chip:hover { color: var(--foreground); border-color: var(--primary); }
.blog-chip.is-active { background-image: var(--gradient-brand); color: var(--primary-foreground); border-color: transparent; }

.blog-author-head { margin-top: 1.75rem; display: flex; align-items: center; gap: 1.25rem; }
.blog-author-role { font-size: 0.85rem; color: var(--primary); font-weight: 600; }
.blog-ext { display: inline-flex; align-items: center; gap: 0.35rem; margin-top: 0.35rem; font-size: 0.85rem; color: var(--muted-foreground); }
.blog-ext:hover { color: var(--primary); }

/* ---- Avatars ------------------------------------------------------------------- */
.blog-avatar { border-radius: 9999px; object-fit: cover; flex-shrink: 0; background: var(--surface-2); }
.blog-avatar.is-fallback {
  display: inline-flex; align-items: center; justify-content: center; font-family: var(--font-display); font-weight: 800;
  background-image: var(--gradient-brand); color: var(--primary-foreground);
}

/* ---- Cards + grid ---------------------------------------------------------------- */
.blog-list { padding-bottom: 4rem; }
.blog-grid { display: grid; gap: 1.5rem; grid-template-columns: 1fr; }
@media (min-width: 640px) { .blog-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .blog-grid { grid-template-columns: repeat(3, 1fr); } }
.blog-list > .blog-card.is-hero + .blog-grid { margin-top: 1.5rem; }

.blog-card {
  display: flex; flex-direction: column; overflow: hidden; border-radius: 1rem;
  transition: transform 0.4s var(--ease-cine), border-color 0.3s;
}
.blog-card:hover { transform: translateY(-4px); border-color: color-mix(in oklab, var(--primary) 45%, var(--glass-border)); }
.blog-card-media { display: block; position: relative; aspect-ratio: 16 / 9; background: var(--surface-2); }
.blog-card-media img { width: 100%; height: 100%; object-fit: cover; }
.blog-card-fallback {
  position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display); font-weight: 900; font-size: 4rem; color: var(--primary); opacity: 0.55;
  background-image: var(--gradient-glow);
}
.blog-card-body { display: flex; flex: 1; flex-direction: column; gap: 0.7rem; padding: 1.25rem; }
.blog-card-top { display: flex; align-items: center; justify-content: space-between; gap: 0.5rem; min-height: 1rem; }
.blog-kicker { font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--primary); }
.blog-kicker:hover { text-decoration: underline; text-underline-offset: 3px; }
.blog-pill { padding: 0.2rem 0.6rem; border-radius: 9999px; font-size: 0.65rem; font-weight: 600; background: var(--primary); color: var(--primary-foreground); }
.blog-card-title {
  font-family: var(--font-sans); font-weight: 700; font-size: 1.2rem; line-height: 1.28;
  letter-spacing: -0.01em; text-transform: none; text-wrap: pretty;
}
.blog-card-title a { transition: color 0.2s; }
.blog-card:hover .blog-card-title a { color: var(--primary); }
.blog-card-excerpt { font-size: 0.9rem; line-height: 1.6; color: var(--muted-foreground); }
.blog-meta {
  margin-top: auto; padding-top: 0.25rem; display: flex; flex-wrap: wrap; align-items: center; gap: 0.35rem 0.6rem;
  font-size: 0.75rem; color: var(--muted-foreground);
}
.blog-meta span { display: inline-flex; align-items: center; gap: 0.3rem; }
.blog-meta i { font-style: normal; opacity: 0.5; }

.blog-card.is-hero { flex-direction: column; }
@media (min-width: 900px) {
  .blog-card.is-hero { flex-direction: row; }
  .blog-card.is-hero .blog-card-media { flex: 1.25; aspect-ratio: auto; min-height: 22rem; }
  .blog-card.is-hero .blog-card-body { flex: 1; justify-content: center; padding: 2.5rem; gap: 1rem; }
  .blog-card.is-hero .blog-card-title { font-size: clamp(1.7rem, 2.6vw, 2.4rem); line-height: 1.12; letter-spacing: -0.025em; }
  .blog-card.is-hero .blog-card-excerpt { font-size: 1rem; }
  .blog-card.is-hero .blog-meta { margin-top: 0.5rem; }
}

.blog-empty { margin: 1rem auto; max-width: 32rem; padding: 3rem 2rem; border-radius: 1rem; text-align: center; }
.blog-empty h2 { font-size: 1.6rem; }
.blog-empty p { margin: 0.75rem 0 1.5rem; color: var(--muted-foreground); }

/* ---- Pagination ------------------------------------------------------------------ */
.blog-pagination { margin-top: 3rem; display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 0.4rem; }
.blog-page-num, .blog-page-link, .blog-page-gap {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.4rem;
  min-width: 2.5rem; height: 2.5rem; padding-inline: 0.75rem; border-radius: 9999px; font-size: 0.85rem;
}
.blog-page-num, .blog-page-link { background: var(--glass-bg); border: 1px solid var(--glass-border); transition: color 0.2s, border-color 0.2s; }
.blog-page-num:hover, .blog-page-link:hover { color: var(--primary); border-color: var(--primary); }
.blog-page-num.is-current { background-image: var(--gradient-brand); color: var(--primary-foreground); border-color: transparent; font-weight: 600; }
.blog-page-gap { color: var(--muted-foreground); }

/* ---- Breadcrumb -------------------------------------------------------------------- */
.blog-breadcrumb { margin-bottom: 1.5rem; }
.blog-breadcrumb ol { display: flex; flex-wrap: wrap; align-items: center; gap: 0.35rem; font-size: 0.78rem; color: var(--muted-foreground); }
.blog-breadcrumb li + li::before { content: "/"; margin-right: 0.35rem; opacity: 0.5; }
.blog-breadcrumb a:hover { color: var(--primary); }
.blog-breadcrumb li:last-child { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 24rem; }

/* ---- Article ----------------------------------------------------------------------- */
.blog-narrow { max-width: 1120px; }
.blog-narrow > * { max-width: 52rem; }
.blog-article-head { padding-top: 3.25rem; }
.blog-article-head .blog-narrow { padding-inline: 1.25rem; }
@media (min-width: 768px) { .blog-article-head .blog-narrow { padding-inline: 2.5rem; } }
.blog-article-head .blog-kicker { display: inline-block; margin-bottom: 1rem; }
.blog-post-title {
  font-size: clamp(2rem, 5.4vw, 3.6rem); line-height: 1.06; letter-spacing: -0.035em; text-wrap: balance;
}
.blog-post-lede { margin-top: 1.25rem; font-size: 1.2rem; line-height: 1.6; color: var(--muted-foreground); }
.blog-byline { margin-top: 1.75rem; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1rem 1.5rem; }
.blog-byline-author { display: inline-flex; align-items: center; gap: 0.75rem; }
.blog-byline-author span { display: flex; flex-direction: column; line-height: 1.25; }
.blog-byline-author strong { font-size: 0.9rem; }
.blog-byline-author small { font-size: 0.75rem; color: var(--muted-foreground); }
.blog-byline .blog-meta { margin: 0; padding: 0; }

.blog-cover { max-width: 1120px; margin-top: 2.25rem; }
.blog-cover img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; border-radius: 1.25rem; box-shadow: var(--shadow-lift); }

.blog-layout { margin-top: 3rem; max-width: 1120px; display: grid; grid-template-columns: minmax(0, 1fr); gap: 3rem; justify-content: start; }
.blog-article-col { width: 100%; max-width: 46rem; margin-inline: 0; min-width: 0; }
.blog-prose > :first-child { margin-top: 0 !important; }
.blog-toc { display: none; }
@media (min-width: 1100px) {
  .blog-layout.has-toc { grid-template-columns: minmax(0, 46rem) 15rem; }
  .blog-toc { display: block; position: sticky; top: 6rem; align-self: start; max-height: calc(100vh - 8rem); overflow-y: auto; }
  .blog-toc-inline { display: none; }
}
.blog-toc ol, .blog-toc-inline ol { margin-top: 0.9rem; display: grid; gap: 0.15rem; }
.blog-toc a { display: block; padding: 0.35rem 0 0.35rem 0.85rem; border-left: 2px solid var(--border); font-size: 0.85rem; line-height: 1.4; color: var(--muted-foreground); transition: color 0.2s, border-color 0.2s; }
.blog-toc li.l3 a { padding-left: 1.6rem; font-size: 0.8rem; }
.blog-toc a:hover { color: var(--foreground); }
.blog-toc a.is-active { color: var(--primary); border-left-color: var(--primary); }
.blog-toc-inline { margin-bottom: 2rem; padding: 0.9rem 1.1rem; border-radius: 0.9rem; }
.blog-toc-inline summary { display: flex; align-items: center; justify-content: space-between; cursor: pointer; font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.22em; text-transform: uppercase; list-style: none; }
.blog-toc-inline summary::-webkit-details-marker { display: none; }
.blog-toc-inline[open] summary svg { transform: rotate(180deg); }
.blog-toc-inline a { display: block; padding: 0.3rem 0; font-size: 0.9rem; color: var(--muted-foreground); }
.blog-toc-inline li.l3 a { padding-left: 1rem; }

/* ---- Prose --------------------------------------------------------------------------- */
.blog-prose { font-size: 1.0625rem; line-height: 1.82; color: color-mix(in oklab, var(--foreground) 90%, transparent); overflow-wrap: anywhere; }
.blog-prose > * + * { margin-top: 1.3em; }
.blog-prose h2 { margin-top: 2.4em; font-size: clamp(1.6rem, 3.2vw, 2.1rem); line-height: 1.15; letter-spacing: -0.03em; scroll-margin-top: 6.5rem; color: var(--foreground); }
.blog-prose h3 { margin-top: 2em; font-size: 1.4rem; line-height: 1.22; letter-spacing: -0.02em; scroll-margin-top: 6.5rem; color: var(--foreground); }
.blog-prose h4, .blog-prose h5, .blog-prose h6 { margin-top: 1.8em; font-size: 1.1rem; line-height: 1.3; color: var(--foreground); }
.blog-prose h2 + *, .blog-prose h3 + *, .blog-prose h4 + * { margin-top: 0.8em; }
.blog-prose a { color: var(--primary); text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 3px; }
.blog-prose a:hover { text-decoration-thickness: 2px; }
.blog-prose ul, .blog-prose ol { padding-left: 1.5rem; }
.blog-prose ul { list-style: disc; }
.blog-prose ol { list-style: decimal; }
.blog-prose li + li { margin-top: 0.45em; }
.blog-prose li::marker { color: var(--primary); }
.blog-prose blockquote { margin-inline: 0; padding: 0.3em 0 0.3em 1.4rem; border-left: 3px solid var(--primary); font-size: 1.15em; font-style: italic; color: var(--foreground); }
.blog-prose img { max-width: 100%; height: auto; margin-inline: auto; border-radius: 0.85rem; }
.blog-prose figure { margin: 2em 0; }
.blog-prose figcaption { margin-top: 0.65rem; text-align: center; font-size: 0.85rem; color: var(--muted-foreground); }
.blog-prose hr { margin: 2.5em 0; border: 0; border-top: 1px solid var(--border); }
.blog-prose iframe { display: block; width: 100%; aspect-ratio: 16 / 9; height: auto; border: 0; border-radius: 0.85rem; }
.blog-prose pre { padding: 1.1rem 1.25rem; border-radius: 0.85rem; overflow-x: auto; background: var(--surface); border: 1px solid var(--border); font-family: var(--font-mono); font-size: 0.86rem; line-height: 1.65; }
.blog-prose code { padding: 0.15em 0.4em; border-radius: 0.3rem; background: var(--surface-2); font-family: var(--font-mono); font-size: 0.9em; }
.blog-prose pre code { padding: 0; background: none; }
.blog-prose table { display: block; width: 100%; overflow-x: auto; border-collapse: collapse; font-size: 0.95rem; }
.blog-prose th, .blog-prose td { padding: 0.65rem 0.9rem; border: 1px solid var(--border); text-align: left; vertical-align: top; }
.blog-prose th { background: var(--surface); font-weight: 600; }
.blog-prose mark { padding: 0 0.2em; border-radius: 0.2rem; background: color-mix(in oklab, var(--primary) 30%, transparent); color: inherit; }

.blog-tags { margin-top: 2.5rem; display: flex; flex-wrap: wrap; gap: 0.5rem; }
.blog-tags li { padding: 0.3rem 0.75rem; border-radius: 9999px; font-size: 0.78rem; background: var(--surface); border: 1px solid var(--border); color: var(--muted-foreground); }

.blog-share { margin-top: 2rem; padding-block: 1.25rem; display: flex; flex-wrap: wrap; align-items: center; gap: 0.5rem; border-block: 1px solid var(--border); }
.blog-share-label { margin-right: 0.5rem; font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.22em; text-transform: uppercase; color: var(--muted-foreground); }
.blog-share a, .blog-share button {
  display: inline-flex; align-items: center; gap: 0.4rem; padding: 0.4rem 0.85rem; border-radius: 9999px; font-size: 0.8rem;
  background: var(--glass-bg); border: 1px solid var(--glass-border); color: var(--foreground); transition: color 0.2s, border-color 0.2s;
}
.blog-share a:hover, .blog-share button:hover { color: var(--primary); border-color: var(--primary); }

/* ---- FAQ (native <details>, works without JS) ----------------------------------------- */
.blog-faq { margin-top: 3.5rem; }
.blog-faq > h2 { font-size: clamp(1.5rem, 3vw, 2rem); line-height: 1.15; letter-spacing: -0.03em; }
.blog-faq-list { margin-top: 1.25rem; border-top: 1px solid var(--border); }
.blog-faq-item { border-bottom: 1px solid var(--border); }
.blog-faq-item summary { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 1.1rem 0; cursor: pointer; list-style: none; font-weight: 600; font-size: 1.02rem; line-height: 1.4; }
.blog-faq-item summary::-webkit-details-marker { display: none; }
.blog-faq-item summary svg { flex-shrink: 0; color: var(--primary); transition: transform 0.3s var(--ease-cine); }
.blog-faq-item[open] summary svg { transform: rotate(180deg); }
.blog-faq-item summary:hover { color: var(--primary); }
.blog-faq-a { padding: 0 0 1.25rem; line-height: 1.75; color: var(--muted-foreground); }
.blog-faq-a > * + * { margin-top: 0.8em; }
.blog-faq-a a { color: var(--primary); text-decoration: underline; text-underline-offset: 3px; }
.blog-faq-a ul, .blog-faq-a ol { padding-left: 1.4rem; }
.blog-faq-a ul { list-style: disc; }
.blog-faq-a ol { list-style: decimal; }

/* ---- Author box ------------------------------------------------------------------------- */
.blog-author-box { margin-top: 3.5rem; padding: 1.5rem; display: flex; gap: 1.25rem; align-items: flex-start; border-radius: 1rem; }
.blog-author-box h2 { margin-top: 0.4rem; font-size: 1.35rem; line-height: 1.2; font-family: var(--font-sans); font-weight: 700; letter-spacing: -0.01em; }
.blog-author-box h2 a:hover { color: var(--primary); }
.blog-author-bio { margin-top: 0.6rem; font-size: 0.92rem; line-height: 1.65; color: var(--muted-foreground); }
.blog-author-links { margin-top: 0.9rem; display: flex; flex-wrap: wrap; gap: 0.5rem 1.25rem; font-size: 0.85rem; }
.blog-author-links a { display: inline-flex; align-items: center; gap: 0.35rem; color: var(--primary); }
.blog-author-links a:hover { text-decoration: underline; text-underline-offset: 3px; }
@media (max-width: 520px) { .blog-author-box { flex-direction: column; } }

/* ---- Related + CTA ---------------------------------------------------------------------------- */
.blog-related { margin-top: 5rem; }
.blog-related-head { margin-bottom: 1.5rem; display: flex; align-items: flex-end; justify-content: space-between; gap: 1rem; }
.blog-related-head h2 { font-size: clamp(1.6rem, 3vw, 2.3rem); }
.blog-related-head a { display: inline-flex; align-items: center; gap: 0.4rem; font-size: 0.85rem; color: var(--primary); white-space: nowrap; }

.blog-cta { padding: 5rem 0 6rem; }
.blog-cta-card { position: relative; max-width: 60rem; margin-inline: auto; padding: clamp(2rem, 6vw, 4rem); border-radius: 1.5rem; text-align: center; overflow: hidden; }
.blog-cta-card::before { content: ""; position: absolute; inset: 0 0 auto 0; height: 14rem; background-image: var(--gradient-glow); pointer-events: none; }
.blog-cta-card > * { position: relative; }
.blog-cta-card h2 { margin-top: 1rem; font-size: clamp(1.9rem, 4.5vw, 3.2rem); line-height: 1; }
.blog-cta-card p:not(.eyebrow) { margin: 1rem auto 2rem; max-width: 34rem; color: var(--muted-foreground); line-height: 1.6; }

@media (prefers-reduced-motion: reduce) {
  .blog-card, .blog-faq-item summary svg { transition: none; }
}