/* ============================================================
   BlurGuard blog — article styles
   ============================================================ */

/* ---------- Blog index ---------- */

.blog-hero {
  text-align: center;
  padding: 80px 24px 48px;
  max-width: var(--maxw);
  margin: 0 auto;
}

.blog-hero__title {
  font-size: 38px;
  font-weight: 700;
  letter-spacing: -0.5px;
  line-height: 1.15;
  margin-bottom: 12px;
}

.blog-hero__sub {
  font-size: 17px;
  color: var(--muted);
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.6;
}

/* ---------- Article grid ---------- */

.blog-grid {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px 80px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.blog-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: border-color 0.25s ease, transform 0.25s ease;
  display: flex;
  flex-direction: column;
}

.blog-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.blog-card__tag {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 14px;
}

.blog-card__title {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.3px;
  line-height: 1.3;
  margin-bottom: 10px;
}

.blog-card__desc {
  font-size: 14.5px;
  color: var(--muted);
  line-height: 1.6;
  flex: 1;
  margin-bottom: 18px;
}

.blog-card__meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted-dim);
}

.blog-card__read {
  color: var(--accent);
  font-weight: 500;
}

.blog-card__read::after {
  content: ' →';
}

.blog-card:hover .blog-card__read::after {
  content: ' →';
  margin-left: 2px;
}

@media (max-width: 720px) {
  .blog-grid {
    grid-template-columns: 1fr;
  }
}

/* ---------- Blog article page ---------- */

.article {
  max-width: 720px;
  margin: 0 auto;
  padding: 64px 24px 80px;
}

.article__back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--accent);
  margin-bottom: 32px;
  text-decoration: none;
  transition: color 0.18s ease;
}

.article__back:hover {
  color: var(--text);
}

.article__back::before {
  content: '←';
}

.article__header {
  margin-bottom: 40px;
}

.article__tag {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 14px;
}

.article__title {
  font-size: 32px;
  font-weight: 700;
  letter-spacing: -0.4px;
  line-height: 1.2;
  margin-bottom: 16px;
}

.article__meta {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--muted-dim);
  display: flex;
  align-items: center;
  gap: 16px;
}

.article__meta span {
  display: flex;
  align-items: center;
  gap: 6px;
}

/* ---------- Article body ---------- */

.article__body {
  font-size: 16.5px;
  line-height: 1.75;
  color: var(--text);
}

.article__body h2 {
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.3px;
  margin: 48px 0 16px;
  color: var(--text);
}

.article__body h3 {
  font-size: 19px;
  font-weight: 600;
  margin: 32px 0 12px;
  color: var(--text);
}

.article__body p {
  margin: 0 0 18px;
}

.article__body ul,
.article__body ol {
  margin: 0 0 18px 24px;
}

.article__body li {
  margin-bottom: 8px;
}

.article__body strong {
  color: var(--text);
  font-weight: 600;
}

.article__body code {
  font-family: var(--font-mono);
  font-size: 14px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 2px 7px;
  color: var(--accent);
}

.article__body kbd {
  font-family: var(--font-mono);
  font-size: 13px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: 2px 8px;
  color: var(--text);
  box-shadow: 0 2px 0 var(--border);
}

.article__body blockquote {
  border-left: 3px solid var(--accent);
  padding: 12px 20px;
  margin: 24px 0;
  background: rgba(139, 92, 246, 0.06);
  border-radius: 0 var(--radius) var(--radius) 0;
  color: var(--muted);
  font-style: italic;
}

.article__body a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color 0.18s ease;
}

.article__body a:hover {
  color: var(--text);
}

.article__body hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 36px 0;
}

/* Article inline blur demo */
.article__body .demo-inline {
  display: inline-block;
  filter: blur(7px);
  background: rgba(139, 92, 246, 0.08);
  border-radius: 6px;
  padding: 2px 10px;
  user-select: none;
  box-shadow: inset 0 0 0 1px rgba(167, 139, 250, 0.16);
}

/* Info callout */
.article__callout {
  background: var(--bg-elevated);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  padding: 20px 24px;
  margin: 28px 0;
}

.article__callout-title {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 8px;
}

.article__callout p {
  margin: 0;
  font-size: 15px;
  color: var(--muted);
  line-height: 1.6;
}

/* ---------- Article footer / nav ---------- */

.article__nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding-top: 48px;
  border-top: 1px solid var(--border);
  margin-top: 48px;
  flex-wrap: wrap;
}

.article__nav a {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--accent);
  text-decoration: none;
  transition: color 0.18s ease;
}

.article__nav a:hover {
  color: var(--text);
}

.article__nav-next::after {
  content: ' →';
}

.article__nav-prev::before {
  content: '← ';
}

/* ---------- CTA at the bottom of articles ---------- */

.article__cta {
  text-align: center;
  padding: 40px 32px;
  margin-top: 48px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

.article__cta-title {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 8px;
}

.article__cta-sub {
  font-size: 14.5px;
  color: var(--muted);
  margin-bottom: 20px;
}

/* ---------- Responsive ---------- */

@media (max-width: 720px) {
  .blog-hero {
    padding: 56px 20px 32px;
  }

  .blog-hero__title {
    font-size: 28px;
  }

  .blog-grid {
    padding: 0 20px 56px;
  }

  .article {
    padding: 40px 20px 56px;
  }

  .article__title {
    font-size: 26px;
  }

  .article__body h2 {
    font-size: 21px;
  }

  .article__nav {
    flex-direction: column;
    align-items: flex-start;
  }
}