/* ============================================================
   BORG SITES, /blog (the journal) styles
   Rendered server-side by functions/blog/[[route]].js on top of
   tokens.css / base.css / components.css / pages.css. Light, airy,
   editorial: Sora display, Inter body, Fraunces italic pull-quotes,
   68ch reading measure, generous rhythm. Every color/space/font
   flows through the design tokens.
   ============================================================ */

.blog-page main { overflow-x: clip; }

/* ---------- Hero band (index / tag / 404) ---------- */
.blog-hero { position: relative; isolation: isolate; }
.blog-hero::before {
  content: ""; position: absolute; inset: -20% -10% auto; height: 120%; z-index: -1; pointer-events: none;
  background:
    radial-gradient(60% 55% at 18% 20%, rgba(46,125,246,.16), transparent 70%),
    radial-gradient(50% 50% at 82% 10%, rgba(224,53,158,.14), transparent 70%),
    radial-gradient(40% 40% at 55% 90%, rgba(123,63,228,.10), transparent 70%);
  filter: blur(10px);
}
.blog-hero .section-lead { max-width: 60ch; margin-inline: auto; }

/* ---------- Media (image or gradient placeholder) ---------- */
.blog-media {
  position: relative; overflow: hidden;
  aspect-ratio: 16 / 9; border-radius: var(--radius-lg);
  background: var(--ink-2); border: 1px solid var(--hairline-soft);
}
.blog-media img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .8s var(--ease-out); }
.blog-media--ph { background: var(--grad-brand); display: grid; place-items: end start; padding: clamp(1rem, 4%, 2rem); }
.blog-media--ph::before {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(70% 90% at 90% 0%, rgba(255,255,255,.35), transparent 60%),
    radial-gradient(60% 60% at 10% 100%, rgba(10,14,39,.28), transparent 60%);
}
.blog-media--ph::after {
  content: ""; position: absolute; right: -14%; top: -30%; width: 62%; aspect-ratio: 1; border-radius: 50%;
  border: 1.5px solid rgba(255,255,255,.35); box-shadow: inset 0 0 0 28px rgba(255,255,255,.06);
}
.blog-media__ph-title {
  position: relative; z-index: 1; color: #fff; font-family: var(--font-display); font-weight: 800;
  font-size: clamp(1rem, .8rem + 1.2vw, 1.6rem); line-height: 1.15; letter-spacing: -.02em;
  max-width: 22ch; text-shadow: 0 2px 20px rgba(10,14,39,.25);
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
}
.blog-media--wide, .blog-media--hero { border-radius: var(--radius-xl); }
.blog-media--wide .blog-media__ph-title, .blog-media--hero .blog-media__ph-title { font-size: clamp(1.4rem, 1rem + 2.4vw, 3rem); }

/* ---------- Chips + meta ---------- */
.blog-chip { text-decoration: none; }
.blog-chip:hover { box-shadow: var(--shadow-sm); transform: translateY(-1px); }
.chip { transition: transform var(--dur-2) var(--ease), box-shadow var(--dur-2) var(--ease), border-color var(--dur-2) var(--ease); }
.blog-meta {
  display: flex; flex-wrap: wrap; align-items: center; gap: .45rem;
  font-family: var(--font-display); font-size: var(--fs-xs); font-weight: 600; letter-spacing: .02em;
  color: var(--text-faint); margin: 0;
}
.blog-meta .dot, .blog-kicker .dot { color: var(--brand-2); opacity: .7; }

/* ---------- Featured (latest) ---------- */
.blog-featured-wrap { padding-bottom: clamp(1.5rem, 1rem + 2vw, 3rem); }
.blog-featured {
  display: grid; grid-template-columns: 1.35fr 1fr; gap: clamp(1.4rem, 1rem + 2.5vw, 3rem); align-items: center;
  background: var(--ink-1); border: 1px solid var(--hairline); border-radius: var(--radius-xl);
  padding: clamp(1rem, .6rem + 1.4vw, 1.6rem); box-shadow: var(--shadow);
}
.blog-featured__media { display: block; }
.blog-featured:hover .blog-media img { transform: scale(1.03); }
.blog-featured__body { padding: clamp(.4rem, .5vw, 1rem) clamp(.4rem, 1vw, 1.4rem) clamp(.4rem, .5vw, 1rem) 0; }
.blog-featured__title { font-size: clamp(1.6rem, 1.15rem + 1.9vw, 2.6rem); line-height: 1.1; letter-spacing: -.028em; margin: 1rem 0 .8rem; }
.blog-featured__title a { color: inherit; text-decoration: none; background: linear-gradient(var(--brand-2), var(--brand-2)) 0 100% / 0 2px no-repeat; transition: background-size .5s var(--ease-out); }
.blog-featured__title a:hover { background-size: 100% 2px; }
.blog-featured__desc { color: var(--text-dim); font-size: var(--fs-md); line-height: 1.55; margin: 0 0 1.2rem; max-width: 46ch; }
.blog-featured__foot { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: .8rem 1.2rem; }

/* ---------- Tag row ---------- */
.blog-tags { margin: 0 0 clamp(1.4rem, 1rem + 2vw, 2.4rem); }
.blog-tag { text-decoration: none; }
.blog-tag:hover { border-color: rgba(123,63,228,.45); }
.blog-tag.is-active { background: var(--grad-brand); color: #fff; border-color: transparent; }
.blog-tag__n { font-weight: 500; opacity: .7; margin-left: .15rem; }
.blog-tag.is-active .blog-tag__n { opacity: .85; }

/* ---------- Card grid ---------- */
.blog-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(1.1rem, .8rem + 1.4vw, 1.8rem); }
.blog-card {
  display: flex; flex-direction: column;
  background: var(--ink-1); border: 1px solid var(--hairline); border-radius: var(--radius-lg);
  overflow: hidden; box-shadow: var(--shadow-sm);
  transition: transform .5s var(--ease-out), box-shadow .5s var(--ease), border-color .3s var(--ease);
}
.blog-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); border-color: var(--hairline-strong); }
.blog-card:hover .blog-media img { transform: scale(1.04); }
.blog-card__media { display: block; }
.blog-card__media .blog-media { border-radius: 0; border: 0; }
.blog-card__body { display: flex; flex-direction: column; gap: .7rem; padding: 1.15rem 1.25rem 1.3rem; flex: 1; }
.blog-card__chips:empty { display: none; }
.blog-card__title { font-size: var(--fs-md); line-height: 1.25; letter-spacing: -.018em; margin: 0; }
.blog-card__title a { color: inherit; text-decoration: none; }
.blog-card__title a::after { content: ""; position: absolute; inset: 0; }
.blog-card { position: relative; }
.blog-card__title a:hover { color: var(--brand-2); }
.blog-card__desc {
  color: var(--text-dim); font-size: var(--fs-sm); line-height: 1.55; margin: 0;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.blog-card .blog-meta { margin-top: auto; padding-top: .3rem; }
.blog-card .blog-chip { position: relative; z-index: 1; }

/* ---------- Pagination ---------- */
.blog-pagination {
  display: flex; align-items: center; justify-content: center; gap: 1rem; flex-wrap: wrap;
  margin-top: clamp(2rem, 1.5rem + 2vw, 3.2rem);
}
.blog-pagination__n { font-family: var(--font-display); font-size: var(--fs-sm); color: var(--text-faint); font-weight: 600; }
.blog-pagination [aria-disabled="true"] { opacity: .45; pointer-events: none; }

/* ---------- Empty state ---------- */
.blog-empty {
  text-align: center; background: var(--ink-1); border: 1px solid var(--hairline); border-radius: var(--radius-xl);
  padding: clamp(2.4rem, 2rem + 3vw, 4.5rem) clamp(1.4rem, 1rem + 2vw, 3rem); box-shadow: var(--shadow);
}
.blog-empty__orb {
  width: 96px; height: 96px; margin: 0 auto 1.4rem; border-radius: 50%;
  background: var(--grad-orbit); position: relative; animation: blog-spin 14s linear infinite;
  box-shadow: var(--glow-brand);
}
.blog-empty__orb::after { content: ""; position: absolute; inset: 14px; border-radius: 50%; background: var(--ink-1); }
@keyframes blog-spin { to { transform: rotate(360deg); } }
.blog-empty h2 { font-size: var(--fs-xl); margin-bottom: .6rem; letter-spacing: -.02em; }
.blog-empty p { color: var(--text-dim); max-width: 52ch; margin: 0 auto 1.6rem; line-height: 1.6; }
.blog-empty__actions { display: flex; justify-content: center; gap: .8rem; flex-wrap: wrap; }

/* ---------- CTA band ---------- */
.blog-cta { padding: 0 var(--gutter) var(--section-y); }
.blog-cta__inner {
  max-width: var(--container); margin-inline: auto; text-align: center;
  background: var(--ink-1); border: 1px solid var(--hairline); border-radius: var(--radius-xl);
  padding: clamp(2.4rem, 2rem + 3vw, 4.5rem) clamp(1.4rem, 1rem + 2vw, 3rem);
  position: relative; overflow: hidden; box-shadow: var(--shadow);
}
.blog-cta__inner::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(60% 80% at 50% 120%, rgba(123,63,228,.14), transparent 70%);
}
.blog-cta__inner > * { position: relative; }
.blog-cta__inner .eyebrow { justify-content: center; }
.blog-cta h2 { font-size: var(--fs-xl); letter-spacing: -.024em; margin-bottom: .7rem; max-width: 22ch; margin-inline: auto; }
.blog-cta p { color: var(--text-dim); max-width: 54ch; margin: 0 auto 1.6rem; line-height: 1.6; }

/* ---------- Article ---------- */
.blog-post__head { padding-top: clamp(3rem, 2rem + 4vw, 5.5rem); text-align: center; position: relative; isolation: isolate; }
.blog-post__head::before {
  content: ""; position: absolute; inset: -10% -10% auto; height: 70%; z-index: -1; pointer-events: none;
  background:
    radial-gradient(55% 60% at 20% 10%, rgba(46,125,246,.14), transparent 70%),
    radial-gradient(45% 55% at 80% 0%, rgba(224,53,158,.12), transparent 70%);
  filter: blur(12px);
}
.blog-crumbs {
  display: inline-flex; align-items: center; gap: .5rem; margin-bottom: 1.2rem;
  font-family: var(--font-display); font-size: var(--fs-xs); font-weight: 600; letter-spacing: .04em; color: var(--text-faint);
}
.blog-crumbs a { color: inherit; text-decoration: none; }
.blog-crumbs a:hover { color: var(--brand-2); }
.blog-kicker {
  display: flex; justify-content: center; align-items: center; flex-wrap: wrap; gap: .5rem;
  font-family: var(--font-display); font-size: var(--fs-xs); font-weight: 700; letter-spacing: .12em; text-transform: uppercase;
  color: var(--text-dim); margin: 0 0 1.1rem;
}
.blog-kicker a { color: var(--brand-2); text-decoration: none; }
.blog-kicker a:hover { text-decoration: underline; text-underline-offset: .2em; }
.blog-post__title {
  font-size: clamp(2.1rem, 1.4rem + 3.4vw, 4.2rem); font-weight: 800; letter-spacing: -.035em; line-height: 1.04;
  margin: 0 0 1.1rem; text-wrap: balance;
}
.blog-post__lede { font-size: var(--fs-md); color: var(--text-dim); line-height: 1.55; max-width: 58ch; margin: 0 auto 1.3rem; text-wrap: pretty; }
.blog-byline { display: inline-flex; align-items: center; gap: .6rem; font-family: var(--font-display); font-size: var(--fs-sm); font-weight: 600; color: var(--text-dim); margin: 0 0 clamp(1.8rem, 1.4rem + 2vw, 3rem); }
.blog-byline__mark { width: 22px; height: 22px; border-radius: 50%; background: var(--grad-orbit); position: relative; flex: none; }
.blog-byline__mark::after { content: ""; position: absolute; inset: 4px; border-radius: 50%; background: var(--ink); }
.blog-post__hero { margin: 0 auto clamp(2.2rem, 1.6rem + 3vw, 4rem); max-width: 1100px; }
.blog-post__hero .blog-media { box-shadow: var(--shadow-lg); }
.blog-post__hero figcaption { font-size: var(--fs-xs); color: var(--text-faint); margin-top: .8rem; text-align: center; }

/* Body copy, 68ch measure, generous rhythm */
.blog-body {
  max-width: 68ch; margin-inline: auto;
  font-size: clamp(1.04rem, .98rem + .3vw, 1.18rem); line-height: 1.72; color: var(--text);
  text-wrap: pretty;
}
.blog-body > * + * { margin-top: 1.25em; }
.blog-body h2, .blog-body h3, .blog-body h4 { font-family: var(--font-display); letter-spacing: -.022em; line-height: 1.18; text-wrap: balance; scroll-margin-top: calc(var(--header-h) + 1rem); }
.blog-body h2 { font-size: clamp(1.5rem, 1.2rem + 1.2vw, 2.1rem); margin-top: 2.2em; margin-bottom: .55em; padding-top: 1.2em; border-top: 1px solid var(--hairline-soft); }
.blog-body h2:first-child, .blog-body .tldr + h2 { border-top: 0; padding-top: 0; margin-top: 1.6em; }
.blog-body h3 { font-size: clamp(1.18rem, 1.05rem + .6vw, 1.5rem); margin-top: 1.8em; margin-bottom: .4em; }
.blog-body h4 { font-size: var(--fs-md); margin-top: 1.5em; margin-bottom: .3em; }
.blog-body p { margin-bottom: 0; }
.blog-body a { color: var(--brand-2); text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: .18em; text-decoration-color: rgba(123,63,228,.4); transition: text-decoration-color var(--dur-2) var(--ease), color var(--dur-2) var(--ease); }
.blog-body a:hover { color: var(--brand-1); text-decoration-color: currentColor; }
.blog-body strong { font-weight: 700; color: var(--text); }
.blog-body ul, .blog-body ol { padding-left: 1.35em; }
.blog-body li { margin-top: .5em; padding-left: .25em; }
.blog-body li::marker { color: var(--brand-2); font-weight: 700; }
.blog-body ul li::marker { content: "◆  "; font-size: .62em; }
.blog-body blockquote {
  margin: 2em 0; padding: .4em 0 .4em 1.4em; border-left: 3px solid transparent;
  border-image: var(--grad-brand) 1;
  font-family: var(--font-serif); font-style: italic; font-weight: 500; font-size: 1.22em; line-height: 1.45; letter-spacing: -.01em; color: var(--text);
}
.blog-body blockquote p + p { margin-top: .6em; }
.blog-body code { font-family: var(--font-mono); font-size: .88em; background: var(--ink-2); border: 1px solid var(--hairline-soft); border-radius: 6px; padding: .12em .4em; }
.blog-body pre { background: var(--dark); color: #E9ECFF; border-radius: var(--radius); padding: 1.1rem 1.3rem; overflow-x: auto; font-size: .92em; line-height: 1.6; }
.blog-body pre code { background: none; border: 0; padding: 0; color: inherit; }
.blog-body img, .blog-body video { max-width: 100%; height: auto; border-radius: var(--radius); }
.blog-body figure { margin: 2em 0; }
.blog-body figcaption { font-size: var(--fs-xs); color: var(--text-faint); margin-top: .6rem; }
.blog-body hr { border: 0; border-top: 1px solid var(--hairline); margin: 2.4em 0; }
.blog-body table { width: 100%; border-collapse: collapse; font-size: .94em; display: block; overflow-x: auto; }
.blog-body th, .blog-body td { text-align: left; padding: .6em .8em; border-bottom: 1px solid var(--hairline); vertical-align: top; }
.blog-body th { font-family: var(--font-display); font-size: .82em; letter-spacing: .06em; text-transform: uppercase; color: var(--text-dim); }

/* TL;DR, soft highlighted box with the brand gradient left rule */
.blog-body .tldr {
  position: relative; margin: 0 0 .5em;
  background: var(--ink-1); border: 1px solid var(--hairline); border-radius: var(--radius-lg);
  padding: 1.15rem 1.4rem 1.15rem 1.7rem; font-size: 1.02em; line-height: 1.6; color: var(--text);
  box-shadow: var(--shadow-sm); overflow: hidden;
}
.blog-body .tldr::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 5px; background: var(--grad-brand); }
.blog-body .tldr::after { content: ""; position: absolute; inset: 0; pointer-events: none; background: var(--grad-soft); opacity: .55; }
.blog-body .tldr > * { position: relative; }
.blog-body .tldr strong { display: block; font-family: var(--font-display); font-size: .74rem; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; color: var(--brand-2); margin-bottom: .35rem; position: relative; }

/* FAQ accordions */
.blog-faq, .blog-sources { max-width: 68ch; margin: clamp(2.6rem, 2rem + 3vw, 4.5rem) auto 0; }
.blog-faq h2, .blog-sources h2 { font-size: clamp(1.4rem, 1.15rem + 1vw, 1.9rem); letter-spacing: -.022em; margin-bottom: 1rem; }
.blog-faq__list { display: grid; gap: .7rem; }
.blog-faq__item { background: var(--ink-1); border: 1px solid var(--hairline); border-radius: var(--radius); overflow: hidden; transition: box-shadow var(--dur-2) var(--ease), border-color var(--dur-2) var(--ease); }
.blog-faq__item[open] { box-shadow: var(--shadow-sm); border-color: var(--hairline-strong); }
.blog-faq__item summary {
  cursor: pointer; list-style: none; display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding: 1rem 1.2rem; font-family: var(--font-display); font-weight: 600; font-size: var(--fs-base); line-height: 1.35; color: var(--text);
}
.blog-faq__item summary::-webkit-details-marker { display: none; }
.blog-faq__item summary::after {
  content: "+"; flex: none; width: 28px; height: 28px; border-radius: 50%; display: grid; place-items: center;
  background: var(--grad-soft); color: var(--brand-2); font-weight: 700; font-size: 1.1rem; line-height: 1;
  transition: transform var(--dur-2) var(--ease), background var(--dur-2) var(--ease), color var(--dur-2) var(--ease);
}
.blog-faq__item[open] summary::after { transform: rotate(45deg); background: var(--grad-brand); color: #fff; }
.blog-faq__item summary:hover { color: var(--brand-2); }
.blog-faq__a { padding: 0 1.2rem 1.15rem; color: var(--text-dim); line-height: 1.65; }
.blog-faq__a p { margin: 0; }

/* Sources */
.blog-sources ol { padding-left: 1.3em; color: var(--text-dim); font-size: var(--fs-sm); line-height: 1.6; }
.blog-sources li { margin-top: .4em; }
.blog-sources li::marker { color: var(--brand-2); font-family: var(--font-display); font-weight: 700; }

/* Post footer: tags + share */
.blog-post__foot { max-width: 68ch; margin: clamp(2.2rem, 1.8rem + 2vw, 3.4rem) auto 0; padding-top: 1.6rem; border-top: 1px solid var(--hairline); display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1rem 1.6rem; }
.blog-share { display: inline-flex; align-items: center; flex-wrap: wrap; gap: .5rem; }
.blog-share__label { font-family: var(--font-display); font-size: var(--fs-xs); font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--text-faint); margin-right: .2rem; }
.blog-share__btn { cursor: pointer; text-decoration: none; }
.blog-share__btn:hover { border-color: rgba(123,63,228,.45); color: var(--brand-2); }
.blog-share__btn.is-done { background: var(--grad-brand); color: #fff; border-color: transparent; }

/* Related */
.blog-related { padding-top: clamp(3rem, 2.4rem + 3vw, 5rem); }
.blog-related__head { margin-bottom: clamp(1.2rem, 1rem + 1.4vw, 2rem); }
.blog-related__head h2 { font-size: var(--fs-xl); letter-spacing: -.024em; }
.blog-grid--related .blog-card__desc { -webkit-line-clamp: 2; }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .blog-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 860px) {
  .blog-featured { grid-template-columns: 1fr; }
  .blog-featured__body { padding: .4rem .3rem .3rem; }
}
@media (max-width: 640px) {
  .blog-grid { grid-template-columns: 1fr; }
  .blog-post__foot { flex-direction: column; align-items: flex-start; }
  .blog-body { font-size: 1.02rem; }
  .blog-body h2 { margin-top: 1.9em; }
}

/* ---------- Motion respect ---------- */
@media (prefers-reduced-motion: reduce) {
  .blog-empty__orb { animation: none; }
  .blog-card, .blog-card:hover, .blog-media img, .blog-featured:hover .blog-media img, .blog-card:hover .blog-media img, .blog-chip:hover { transform: none; transition: none; }
  .blog-featured__title a { transition: none; }
}