/* ── Blog styles — extends style.css ─────────────────────────────────────── */

/* ── Breadcrumb ───────────────────────────────────────────────────────────── */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8rem;
  color: var(--text-d);
  padding: 1.5rem 0 0;
}
.breadcrumb a { color: var(--text-m); transition: color 0.2s; }
.breadcrumb a:hover { color: var(--primary-b); }

/* ── Blog hero ────────────────────────────────────────────────────────────── */
.blog-hero {
  padding: 7rem 0 4rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.blog-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 60% at 50% 0%, rgba(59, 130, 246,.13) 0%, transparent 70%);
  pointer-events: none;
}
.blog-hero-label {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--primary-b);
  background: rgba(59, 130, 246,.12);
  border: 1px solid rgba(59, 130, 246,.25);
  padding: 0.3rem 0.9rem;
  border-radius: 999px;
  margin-bottom: 1.5rem;
}
.blog-hero-title {
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 1rem;
}
.blog-hero-sub {
  font-size: 1.05rem;
  color: var(--text-m);
  max-width: 480px;
  margin: 0 auto;
  line-height: 1.65;
}

/* ── Tag chips ────────────────────────────────────────────────────────────── */
.tag {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  padding: 0.25rem 0.75rem;
  border-radius: 999px;
  line-height: 1;
}
.tag--tutorial  { background: rgba(52,211,153,.15);  color: #34d399; }
.tag--comparison{ background: rgba(251,191,36,.15);  color: #fbbf24; }
.tag--guide     { background: rgba(59, 130, 246,.2);   color: #93c5fd; }
.tag--security  { background: rgba(248,113,113,.15); color: #f87171; }
.tag--release   { background: rgba(96,165,250,.15);  color: #60a5fa; }

/* ── Blog section ─────────────────────────────────────────────────────────── */
.blog-section { padding: 0 0 5rem; }
.section-eyebrow {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-d);
  margin-bottom: 1.5rem;
}

/* ── Featured card ────────────────────────────────────────────────────────── */
.featured-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  transition: border-color 0.3s, box-shadow 0.3s;
}
.featured-card:hover {
  border-color: var(--border-h);
  box-shadow: 0 0 50px rgba(59, 130, 246,.12);
}
.featured-card__img {
  background: linear-gradient(135deg,rgba(59, 130, 246,.25) 0%,rgba(192,132,252,.08) 60%,transparent 100%);
  min-height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 5rem;
}
.featured-card__body {
  padding: 2.5rem 2.5rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 1rem;
}
.featured-card__title {
  font-size: 1.55rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.25;
  color: var(--text);
}
.featured-card__excerpt {
  font-size: 0.93rem;
  color: var(--text-m);
  line-height: 1.65;
}
.featured-card__meta {
  font-size: 0.78rem;
  color: var(--text-d);
  display: flex;
  gap: 1rem;
  align-items: center;
}
.featured-card__arrow {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--primary-b);
  margin-top: 0.25rem;
  transition: gap 0.2s;
}
.featured-card:hover .featured-card__arrow { gap: 0.6rem; }

/* ── Posts grid ───────────────────────────────────────────────────────────── */
.posts-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 1.5rem;
}
.post-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
  transition: border-color 0.3s, transform 0.3s, box-shadow 0.3s;
}
.post-card:hover {
  border-color: var(--border-h);
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(59, 130, 246,.1);
}
.post-card__img {
  height: 140px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.6rem;
}
.post-card__img--tutorial  { background: linear-gradient(135deg,rgba(52,211,153,.15),rgba(52,211,153,.04)); }
.post-card__img--comparison{ background: linear-gradient(135deg,rgba(251,191,36,.15),rgba(251,191,36,.04)); }
.post-card__img--guide     { background: linear-gradient(135deg,rgba(59, 130, 246,.2),rgba(59, 130, 246,.04)); }
.post-card__img--security  { background: linear-gradient(135deg,rgba(248,113,113,.15),rgba(248,113,113,.04)); }
.post-card__body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  flex: 1;
}
.post-card__title {
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--text);
}
.post-card__excerpt {
  font-size: 0.86rem;
  color: var(--text-m);
  line-height: 1.6;
  flex: 1;
}
.post-card__meta {
  font-size: 0.75rem;
  color: var(--text-d);
  display: flex;
  justify-content: space-between;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border);
  margin-top: auto;
}

/* ── Article layout ───────────────────────────────────────────────────────── */
.article-wrap {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 1.5rem;
}
.article-header {
  padding: 3rem 0 2.5rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 2.5rem;
}
.article-header .tag { margin-bottom: 1.25rem; }
.article-title {
  font-size: clamp(1.75rem, 4vw, 2.7rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 1.25rem;
  color: var(--text);
}
.article-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 0.8rem;
  color: var(--text-d);
  flex-wrap: wrap;
}
.article-meta__author { color: var(--text-m); font-weight: 500; }

/* ── Prose ────────────────────────────────────────────────────────────────── */
.prose {
  font-size: 1.05rem;
  line-height: 1.82;
  color: #c8d1db;
}
.prose > * + * { margin-top: 1.4rem; }
.prose h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-top: 3rem;
  padding-bottom: 0.6rem;
  border-bottom: 1px solid var(--border);
}
.prose h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.01em;
  margin-top: 2.25rem;
}
.prose p { margin-top: 1.25rem; }
.prose a { color: var(--primary-b); text-decoration: underline; text-decoration-color: rgba(167,139,250,.35); }
.prose a:hover { color: #fff; }
.prose strong { color: var(--text); font-weight: 600; }
.prose code {
  font-family: var(--mono);
  font-size: 0.875em;
  background: rgba(59, 130, 246,.13);
  color: #93c5fd;
  padding: 0.15em 0.45em;
  border-radius: 5px;
  border: 1px solid rgba(59, 130, 246,.2);
}
.prose pre {
  background: #0b0b18;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  overflow-x: auto;
  margin-top: 1.25rem;
}
.prose pre code {
  background: none;
  border: none;
  padding: 0;
  color: #a9b8cc;
  font-size: 0.875rem;
  line-height: 1.7;
}
.prose pre code .c { color: #546e7a; }    /* comment */
.prose pre code .s { color: #a5d6a7; }    /* string */
.prose pre code .k { color: #93c5fd; }    /* keyword */
.prose ul, .prose ol { padding-left: 1.5rem; display: flex; flex-direction: column; gap: 0.5rem; }
.prose ul li::marker { color: var(--primary); }
.prose ol li::marker { color: var(--primary); font-weight: 600; }
.prose blockquote {
  border-left: 3px solid var(--primary);
  padding: 1rem 1.5rem;
  background: rgba(59, 130, 246,.07);
  border-radius: 0 var(--radius) var(--radius) 0;
  color: var(--text-m);
  font-style: italic;
  margin: 1.5rem 0;
}
.prose table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
  margin: 2rem 0;
}
.prose th {
  background: rgba(59, 130, 246,.13);
  color: var(--text);
  font-weight: 600;
  padding: 0.7rem 1rem;
  text-align: left;
  border: 1px solid var(--border);
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.prose td {
  padding: 0.7rem 1rem;
  border: 1px solid var(--border);
  color: var(--text-m);
  vertical-align: middle;
}
.prose tr:nth-child(even) td { background: rgba(255,255,255,.02); }
.prose td .yes { color: var(--green); font-weight: 600; }
.prose td .no  { color: var(--red);   font-weight: 600; }

/* ── Article CTA ──────────────────────────────────────────────────────────── */
.article-cta {
  margin: 3.5rem 0;
  background: linear-gradient(135deg,rgba(59, 130, 246,.14),rgba(192,132,252,.07));
  border: 1px solid rgba(59, 130, 246,.28);
  border-radius: var(--radius-lg);
  padding: 2.25rem 2rem;
  text-align: center;
}
.article-cta h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.5rem;
}
.article-cta p {
  font-size: 0.9rem;
  color: var(--text-m);
  margin-bottom: 1.25rem;
}
.article-cta pre {
  background: rgba(0,0,0,.45);
  border: 1px solid rgba(59, 130, 246,.2);
  border-radius: var(--radius);
  padding: 0.875rem 1.25rem;
  font-family: var(--mono);
  font-size: 0.85rem;
  color: #60a5fa;
  text-align: left;
  display: inline-block;
  width: 100%;
  max-width: 520px;
  margin: 0 0 1.25rem;
}

/* ── Article FAQ ──────────────────────────────────────────────────────────── */
.article-faq {
  margin-top: 4rem;
  border-top: 1px solid var(--border);
  padding-top: 2.5rem;
}
.article-faq h2 { font-size: 1.4rem; font-weight: 700; margin-bottom: 1.5rem; }
.afaq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 0.75rem;
  overflow: hidden;
  transition: border-color 0.2s;
}
.afaq-item.open { border-color: rgba(59, 130, 246,.35); }
.afaq-q {
  width: 100%;
  background: none;
  border: none;
  padding: 1rem 1.25rem;
  text-align: left;
  color: var(--text);
  font-size: 0.93rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font);
  gap: 1rem;
}
.afaq-q:hover { background: var(--bg-card-h); }
.afaq-arrow { color: var(--text-d); transition: transform 0.25s; flex-shrink: 0; }
.afaq-item.open .afaq-q { color: var(--primary-b); }
.afaq-item.open .afaq-arrow { transform: rotate(180deg); }
.afaq-a {
  padding: 0 1.25rem 1rem;
  color: var(--text-m);
  font-size: 0.9rem;
  line-height: 1.7;
  display: none;
}
.afaq-item.open .afaq-a { display: block; }

/* ── Related posts ────────────────────────────────────────────────────────── */
.related {
  margin-top: 4rem;
  border-top: 1px solid var(--border);
  padding-top: 2.5rem;
  margin-bottom: 5rem;
}
.related-eyebrow {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-d);
  margin-bottom: 1.25rem;
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}
.related-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  text-decoration: none;
  color: inherit;
  transition: border-color 0.2s, transform 0.2s;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.related-card:hover { border-color: var(--border-h); transform: translateY(-2px); }
.related-card__title { font-size: 0.93rem; font-weight: 600; line-height: 1.35; color: var(--text); }
.related-card__meta  { font-size: 0.75rem; color: var(--text-d); }

/* ── Nav active ───────────────────────────────────────────────────────────── */
.nav-active { color: var(--primary-b) !important; }

/* ── Responsive ───────────────────────────────────────────────────────────── */
@media (max-width: 900px) {
  .featured-card { grid-template-columns: 1fr; }
  .featured-card__img { min-height: 160px; }
  .posts-grid { grid-template-columns: repeat(2,1fr); }
}
@media (max-width: 640px) {
  .posts-grid { grid-template-columns: 1fr; }
  .related-grid { grid-template-columns: 1fr; }
  .blog-hero { padding: 5rem 0 3rem; }
  .article-header { padding: 2.5rem 0 2rem; }
  .article-cta { padding: 1.5rem 1.25rem; }
}