/* ============================================
   FragTrack — Blog Shared Styles
   ============================================ */

.blog-hero {
  position: relative;
  padding: 140px var(--pad) 60px;
  min-height: 50vh;
  overflow: hidden;
}

.blog-hero__bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.blog-hero__content {
  position: relative;
  max-width: 820px;
}

.blog-hero__meta {
  display: flex;
  align-items: center;
  gap: 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-3);
  text-transform: uppercase;
  letter-spacing: .15em;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.blog-hero__meta .dot {
  width: 6px;
  height: 6px;
  background: #22c55e;
  border-radius: 50%;
  box-shadow: 0 0 12px #22c55e;
}

.blog-hero__meta .author-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--grad-1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  font-weight: 600;
  color: #fff;
}

.blog-hero__title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(36px, 5vw, 72px);
  line-height: 1;
  letter-spacing: -.03em;
  margin-bottom: 20px;
}

.blog-hero__title em {
  font-style: italic;
  color: var(--cyan);
}

.blog-hero__excerpt {
  max-width: 640px;
  color: var(--ink-2);
  font-size: clamp(15px, 1.1vw, 18px);
  line-height: 1.55;
  margin-bottom: 32px;
}

/* Blog Content */
.blog-content {
  padding: 0 var(--pad) 80px;
  max-width: 800px;
  margin: 0 auto;
}

.blog-content h2 {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.2vw, 42px);
  font-weight: 400;
  letter-spacing: -.02em;
  margin: 48px 0 16px;
  line-height: 1.1;
}

.blog-content h2 em {
  font-style: italic;
  color: var(--cyan);
}

.blog-content h3 {
  font-family: var(--font-display);
  font-size: clamp(22px, 2.4vw, 30px);
  font-weight: 400;
  letter-spacing: -.02em;
  margin: 36px 0 12px;
  line-height: 1.2;
}

.blog-content h3 em {
  font-style: italic;
  color: var(--cyan);
}

.blog-content p {
  color: var(--ink-2);
  font-size: 16px;
  line-height: 1.7;
  margin-bottom: 20px;
}

.blog-content ul, .blog-content ol {
  color: var(--ink-2);
  font-size: 16px;
  line-height: 1.7;
  margin-bottom: 20px;
  padding-left: 24px;
}

.blog-content ul { list-style: disc; }
.blog-content ol { list-style: decimal; }

.blog-content li {
  margin-bottom: 8px;
}

.blog-content li strong {
  color: var(--ink);
}

.blog-content blockquote {
  border-left: 3px solid var(--cyan);
  padding: 16px 24px;
  margin: 24px 0;
  background: rgba(34, 211, 238, .04);
  border-radius: 0 12px 12px 0;
  font-family: var(--font-display);
  font-size: 20px;
  line-height: 1.4;
  font-style: italic;
  color: var(--ink-2);
}

.blog-content .highlight-box {
  padding: 24px;
  border: 1px solid rgba(124, 58, 237, .3);
  border-radius: 16px;
  background: rgba(124, 58, 237, .06);
  margin: 24px 0;
}

.blog-content .highlight-box h4 {
  font-family: var(--font-display);
  font-size: 20px;
  margin-bottom: 8px;
}

.blog-content .highlight-box p {
  margin-bottom: 0;
}

.blog-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  font-size: 14px;
}

.blog-content th {
  text-align: left;
  padding: 12px 16px;
  border-bottom: 1px solid var(--line-2);
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .15em;
  color: var(--ink-3);
}

.blog-content td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--line);
  color: var(--ink-2);
}

.blog-content tr:hover td {
  background: rgba(255, 255, 255, .02);
}

/* Blog TOC */
.blog-toc {
  background: rgba(255, 255, 255, .02);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 24px 28px;
  margin: 32px 0;
}

.blog-toc h3 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 400;
  margin-bottom: 16px;
}

.blog-toc ol {
  list-style: decimal;
  padding-left: 20px;
  color: var(--ink-2);
  font-size: 14px;
}

.blog-toc li {
  margin-bottom: 8px;
}

.blog-toc a {
  color: var(--cyan);
  transition: color .3s;
}

.blog-toc a:hover {
  color: var(--purple);
}

/* Blog Author */
.blog-author {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 20px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  margin: 32px 0;
}

.blog-author__avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--grad-1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 14px;
  color: #fff;
  flex-shrink: 0;
}

.blog-author__info b {
  display: block;
  font-size: 15px;
}

.blog-author__info em {
  display: block;
  font-style: normal;
  font-size: 12px;
  color: var(--ink-3);
  margin-top: 2px;
}

/* Related Posts */
.related-posts {
  padding: 60px var(--pad);
  border-top: 1px solid var(--line);
}

.related-posts h2 {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.2vw, 42px);
  font-weight: 400;
  letter-spacing: -.03em;
  margin-bottom: 32px;
}

.related-posts__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.related-card {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,.005));
  transition: .4s;
}

.related-card:hover {
  transform: translateY(-4px);
  border-color: rgba(124, 58, 237, .3);
  box-shadow: 0 20px 40px -20px rgba(124, 58, 237, .3);
}

.related-card__meta {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--ink-3);
  text-transform: uppercase;
  letter-spacing: .15em;
  margin-bottom: 12px;
}

.related-card h3 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 400;
  letter-spacing: -.02em;
  margin-bottom: 8px;
  line-height: 1.2;
}

.related-card p {
  color: var(--ink-2);
  font-size: 13px;
  line-height: 1.5;
  margin-bottom: 12px;
}

.related-card a {
  color: var(--cyan);
  font-size: 13px;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap .3s;
}

.related-card a:hover { gap: 10px; }

/* Blog CTA */
.blog-cta {
  text-align: center;
  padding: 60px var(--pad);
  border-top: 1px solid var(--line);
  margin-top: 40px;
}

.blog-cta h2 {
  font-family: var(--font-display);
  font-size: clamp(32px, 4vw, 56px);
  font-weight: 400;
  letter-spacing: -.03em;
  margin-bottom: 12px;
}

.blog-cta h2 em {
  font-style: italic;
  color: var(--cyan);
}

.blog-cta p {
  color: var(--ink-2);
  font-size: 16px;
  margin-bottom: 24px;
}

/* Blog Index */
.blog-index-hero {
  position: relative;
  padding: 140px var(--pad) 40px;
  overflow: hidden;
}

.blog-index-hero__bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.blog-index__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  padding: 0 var(--pad) 80px;
}

.blog-card {
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,.005));
  transition: .4s;
  display: flex;
  flex-direction: column;
}

.blog-card:hover {
  transform: translateY(-6px);
  border-color: rgba(124, 58, 237, .3);
  box-shadow: 0 30px 60px -30px rgba(124, 58, 237, .4);
}

.blog-card__meta {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--ink-3);
  text-transform: uppercase;
  letter-spacing: .15em;
  margin-bottom: 12px;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.blog-card h3 {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 400;
  letter-spacing: -.02em;
  margin-bottom: 10px;
  line-height: 1.2;
}

.blog-card p {
  color: var(--ink-2);
  font-size: 14px;
  line-height: 1.55;
  margin-bottom: 16px;
  flex: 1;
}

.blog-card a {
  color: var(--cyan);
  font-size: 13px;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap .3s;
}

.blog-card a:hover { gap: 10px; }

/* Blog featured image placeholder */
.blog-featured-img {
  width: 100%;
  height: 320px;
  border-radius: 20px;
  background: linear-gradient(135deg, rgba(59,130,246,.15), rgba(124,58,237,.15));
  border: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 40px;
  overflow: hidden;
  position: relative;
}

.blog-featured-img i {
  font-size: 48px;
  color: var(--ink-3);
  opacity: .4;
}

.blog-featured-img .img-placeholder {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  inset: 0;
}

/* Blog Nav */
.blog-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 90;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px var(--pad);
  gap: 24px;
  transition: background .4s, backdrop-filter .4s, border-color .4s;
  border-bottom: 1px solid transparent;
}

.blog-nav.is-scrolled {
  background: rgba(11, 11, 15, .72);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--line);
}

.blog-nav__logo img {
  height: 22px;
  filter: drop-shadow(0 0 12px rgba(34, 211, 238, .5));
}

.blog-nav__links {
  display: flex;
  gap: 28px;
}

.blog-nav__link {
  font-size: 14px;
  color: var(--ink-2);
  position: relative;
  padding: 6px 2px;
  transition: color .3s;
}

.blog-nav__link:hover,
.blog-nav__link.active {
  color: var(--ink);
}

.blog-nav__link::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 0;
  height: 1px;
  width: 0;
  background: var(--grad-2);
  transition: width .4s cubic-bezier(.6, 0, .2, 1);
}

.blog-nav__link:hover::after,
.blog-nav__link.active::after {
  width: 100%;
}

.blog-nav__cta {
  display: flex;
  gap: 10px;
  align-items: center;
}

.blog-nav__burger {
  display: none;
  width: 40px;
  height: 40px;
  flex-direction: column;
  gap: 5px;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: none;
  color: inherit;
  font: inherit;
  cursor: pointer;
}

.blog-nav__burger span {
  width: 18px;
  height: 1.5px;
  background: var(--ink);
  transition: .3s;
}

.blog-nav__burger.on span:nth-child(1) { transform: translateY(3px) rotate(45deg); }
.blog-nav__burger.on span:nth-child(2) { transform: translateY(-3.5px) rotate(-45deg); }

.blog-mobile-menu {
  position: fixed;
  top: 70px;
  left: 12px;
  right: 12px;
  z-index: 80;
  background: rgba(15, 15, 22, .92);
  backdrop-filter: blur(24px);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 16px;
  display: none;
  flex-direction: column;
  gap: 6px;
}

.blog-mobile-menu a {
  padding: 12px 14px;
  border-radius: 12px;
  color: var(--ink-2);
  font-size: 15px;
}

.blog-mobile-menu a:hover {
  background: rgba(255, 255, 255, .04);
  color: var(--ink);
}

.blog-mobile-menu.on { display: flex; }

/* Blog Footer */
.blog-footer {
  padding: 60px var(--pad) 32px;
  border-top: 1px solid var(--line);
  position: relative;
  overflow: hidden;
}

.blog-footer__top {
  display: grid;
  grid-template-columns: 1.4fr 2fr;
  gap: 60px;
  margin-bottom: 60px;
}

.blog-footer__brand img {
  height: 26px;
  margin-bottom: 20px;
}

.blog-footer__brand p {
  color: var(--ink-2);
  font-size: 14px;
  max-width: 340px;
  margin-bottom: 24px;
}

.blog-footer__cols {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.blog-footer__cols > div {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.blog-footer__cols em {
  font-style: normal;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-3);
  text-transform: uppercase;
  letter-spacing: .2em;
  margin-bottom: 8px;
}

.blog-footer__cols a {
  font-size: 14px;
  color: var(--ink-2);
  transition: .3s;
}

.blog-footer__cols a:hover { color: var(--ink); }

.blog-footer__bottom {
  display: flex;
  justify-content: space-between;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-3);
  letter-spacing: .05em;
  margin-top: 40px;
}

/* Newsletter */
.newsletter {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(255, 255, 255, .02);
  margin-top: 20px;
}

.newsletter h4 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 400;
  margin-bottom: 8px;
}

.newsletter p {
  color: var(--ink-2);
  font-size: 13px;
  margin-bottom: 16px;
}

.newsletter__form {
  display: flex;
  gap: 8px;
}

.newsletter__form input {
  flex: 1;
  padding: 12px 16px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, .04);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 14px;
  outline: none;
  transition: border-color .3s;
}

.newsletter__form input:focus {
  border-color: var(--cyan);
}

.newsletter__form input::placeholder {
  color: var(--ink-3);
}

/* Blog responsive */
@media (max-width: 1100px) {
  .blog-index__grid { grid-template-columns: repeat(2, 1fr); }
  .related-posts__grid { grid-template-columns: repeat(2, 1fr); }
  .blog-footer__top { grid-template-columns: 1fr; }
}

@media (max-width: 820px) {
  .blog-nav__links { display: none; }
  .blog-nav__cta { display: none; }
  .blog-nav__burger { display: flex; }
  .blog-index__grid { grid-template-columns: 1fr; }
  .related-posts__grid { grid-template-columns: 1fr; }
  .blog-footer__cols { grid-template-columns: repeat(2, 1fr); }
  .blog-footer__top { grid-template-columns: 1fr; }
  .related-posts { padding-top: 48px; }
}

/* Prevent the fixed nav from covering anchor-linked sections
   (TOC links, related posts, headings) when the page jumps to them */
.blog-content h2,
.blog-content h3,
.related-posts,
.blog-toc {
  scroll-margin-top: 96px;
}

@media (max-width: 520px) {
  .blog-footer__cols { grid-template-columns: 1fr; }
  .blog-footer__bottom { flex-direction: column; gap: 10px; text-align: center; }
}





/* ============================================
   FAQ Accordion — blog pages
   (self-contained; does not depend on the
   homepage's #faq scope, so it works standalone
   on any blog article page)
   ============================================ */

.accordion {
  display: block !important;
  list-style: none;
  margin: 0;
  padding: 0;
}

.accordion > li {
  display: block !important;
  flex: none !important;
  list-style: none;
  border-bottom: 1px solid var(--line);
}

.accordion > li > button {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 4px;
  background: none;
  border: none;
  text-align: left;
  cursor: pointer;
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 500;
}

.accordion > li > button span {
  flex: 1;
}

.accordion > li > button i {
  flex-shrink: 0;
  color: var(--ink-3);
  transition: transform .35s cubic-bezier(.2,.8,.2,1), color .3s;
}

.accordion > li.on > button i {
  transform: rotate(45deg);
  color: var(--cyan);
}

.accordion > li > div {
  overflow: hidden;
  max-height: 0;
  opacity: 0;
  transition: max-height .45s cubic-bezier(.2,.8,.2,1), opacity .35s ease, padding .45s cubic-bezier(.2,.8,.2,1);
  padding: 0 4px;
}

.accordion > li.on > div {
  max-height: 600px;
  opacity: 1;
  padding: 0 4px 20px;
}

.accordion > li > div p {
  color: var(--ink-2);
  font-size: 14px;
  line-height: 1.65;
  margin: 0;
}

/* Neutralize styles.css's global reveal-hide rule:
   ".js-ready .accordion li { opacity:0; transform:translateY(30px) }"
   Blog pages add the js-ready class too, but never run a reveal
   script that adds .revealed back to accordion items — so on
   the homepage that rule is fine (JS reveals it), but on blog
   pages it permanently hides the FAQ list. Force it visible here. */
.js-ready .accordion li,
body.js-ready .accordion > li {
  opacity: 1 !important;
  transform: none !important;
}