/* Blog styles — extends style.css */

/* Blog hero */
.blog-hero {
  padding: 160px 0 60px;
  text-align: center;
}

.blog-hero__title {
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  font-weight: 800;
  color: var(--c-dark);
  margin-bottom: 12px;
}

.blog-hero__sub {
  font-size: 1.15rem;
  color: #64748b;
  max-width: 540px;
  margin: 0 auto;
}

/* Blog listing grid */
.blog-listing {
  padding: 0 0 100px;
}

.blog-listing__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 32px;
}

/* Blog card */
.blog-card {
  border-radius: 16px;
  overflow: hidden;
  background: #fff;
  border: 1px solid #e2e8f0;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.blog-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(15, 23, 42, 0.08);
}

.blog-card__link {
  text-decoration: none;
  color: inherit;
  display: block;
}

.blog-card__cover {
  width: 100%;
  height: 200px;
  object-fit: cover;
  display: block;
}

.blog-card__body {
  padding: 28px;
}

.blog-card__tags {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: 10px;
}

.blog-card__tag {
  font-size: 0.75rem;
  font-weight: 600;
  color: #c74500;
  background: rgba(249, 88, 0, 0.1);
  padding: 3px 10px;
  border-radius: 20px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.blog-card__date {
  font-size: 0.85rem;
  color: #64748b;
  display: block;
  margin-bottom: 8px;
}

.blog-card__title {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--c-dark);
  margin-bottom: 10px;
  line-height: 1.3;
}

.blog-card__excerpt {
  font-size: 0.95rem;
  color: #64748b;
  line-height: 1.6;
  margin-bottom: 16px;
}

.blog-card__read {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--c-primary);
}

/* Blog post */
.container--narrow {
  max-width: 740px;
}

.blog-post {
  padding: 140px 0 80px;
}

.blog-post__back {
  display: inline-block;
  font-size: 0.9rem;
  color: var(--c-primary);
  text-decoration: none;
  font-weight: 500;
  margin-bottom: 32px;
  transition: opacity 0.2s;
}

.blog-post__back:hover {
  opacity: 0.7;
}

.blog-post__header {
  margin-bottom: 40px;
}

.blog-post__title {
  font-size: clamp(2rem, 4.5vw, 3rem);
  font-weight: 800;
  color: var(--c-dark);
  line-height: 1.15;
  margin-bottom: 16px;
}

.blog-post__meta {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 0.9rem;
  color: #64748b;
}

.blog-post__author::before {
  content: "·";
  margin-right: 16px;
}

.blog-post__cover {
  width: 100%;
  border-radius: 12px;
  margin-bottom: 40px;
  display: block;
}

/* Article content typography */
.blog-post__content {
  font-size: 1.1rem;
  line-height: 1.8;
  color: #334155;
}

.blog-post__content h2 {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--c-dark);
  margin: 48px 0 16px;
}

.blog-post__content h3 {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--c-dark);
  margin: 36px 0 12px;
}

.blog-post__content p {
  margin-bottom: 20px;
}

.blog-post__content ul,
.blog-post__content ol {
  margin: 0 0 24px 24px;
}

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

.blog-post__content blockquote {
  border-left: 4px solid var(--c-primary);
  padding: 16px 24px;
  margin: 32px 0;
  background: #fff7ed;
  border-radius: 0 8px 8px 0;
  font-style: italic;
  color: #475569;
}

.blog-post__content a {
  color: var(--c-primary);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.blog-post__content a:hover {
  text-decoration: none;
}

.blog-post__content img {
  max-width: 100%;
  border-radius: 8px;
  margin: 24px 0;
}

.blog-post__content pre {
  background: #0f172a;
  color: #e2e8f0;
  padding: 20px 24px;
  border-radius: 8px;
  overflow-x: auto;
  margin: 24px 0;
  font-size: 0.9rem;
  line-height: 1.6;
}

.blog-post__content code {
  background: #f1f5f9;
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.9em;
}

.blog-post__content pre code {
  background: none;
  padding: 0;
}

.blog-post__content strong {
  font-weight: 700;
  color: var(--c-dark);
}

.blog-post__content hr {
  border: none;
  border-top: 1px solid #e2e8f0;
  margin: 40px 0;
}

.blog-post__footer {
  margin-top: 60px;
  padding-top: 32px;
  border-top: 1px solid #e2e8f0;
}

/* Related posts section */
.blog-related {
  margin-top: 80px;
  padding: 60px 0 40px;
  background: #f8fafc;
  border-top: 1px solid #e2e8f0;
}

.blog-related__heading {
  font-size: 1.75rem;
  margin: 0 0 32px;
  text-align: center;
}

/* Author bio */
.author-bio {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 24px;
  background: #f8fafc;
  border-radius: 12px;
  margin-top: 32px;
}

.author-bio__avatar {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
}

.author-bio__avatar--mono {
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--c-primary, #ff5722), #ff8a65);
  color: #fff;
  font-weight: 700;
  font-size: 1.5rem;
  letter-spacing: 0.02em;
}

.blog-post__updated {
  color: #94a3b8;
  font-size: 0.9em;
}

.blog-post__updated::before {
  content: "·";
  margin: 0 8px;
  color: #cbd5e1;
}

.author-bio__text {
  font-size: 0.95rem;
  line-height: 1.6;
  color: #475569;
  font-style: normal;
}

.author-bio__text strong {
  color: var(--c-dark);
}

.author-bio__text a {
  color: var(--c-primary);
  text-decoration: none;
  font-weight: 500;
}

.author-bio__text a:hover {
  text-decoration: underline;
}

.author-bio__socials {
  display: flex;
  gap: 10px;
  margin-top: 8px;
}

.author-bio__socials a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: #e2e8f0;
  color: #475569;
  transition: background 0.2s, color 0.2s;
}

.author-bio__socials a:hover {
  background: var(--c-primary);
  color: #fff;
}

.author-bio__socials svg {
  width: 16px;
  height: 16px;
  fill: currentColor;
}

/* Language switcher */
.header__lang {
  font-size: 0.85rem;
  font-weight: 600;
  color: #94a3b8 !important;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 4px 10px;
  border: 1px solid #e2e8f0;
  border-radius: 6px;
  transition: color 0.2s, border-color 0.2s;
}

.header__lang:hover {
  color: var(--c-primary) !important;
  border-color: var(--c-primary);
}

/* Blog section on homepage */
.blog-home {
  padding: 80px 0 100px;
  background: #f8fafc;
}

.blog-home__header {
  text-align: center;
  margin-bottom: 48px;
}

.blog-home__title {
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 800;
  color: var(--c-dark);
  margin-bottom: 12px;
}

.blog-home__sub {
  font-size: 1.1rem;
  color: #475569;
}

.blog-home__cta {
  text-align: center;
  margin-top: 40px;
}

.btn--outline {
  display: inline-block;
  padding: 14px 32px;
  border: 2px solid var(--c-primary);
  color: var(--c-primary);
  font-weight: 600;
  border-radius: 8px;
  text-decoration: none;
  transition: background 0.2s, color 0.2s;
}

.btn--outline:hover {
  background: var(--c-primary);
  color: #fff;
}

/* Lazy loading / scroll reveal */
.blog-card--hidden {
  display: none;
}

.blog-card--reveal {
  animation: cardFadeIn 0.4s ease forwards;
}

@keyframes cardFadeIn {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

.blog-sentinel {
  height: 1px;
}

/* WCAG focus visible for blog */
.blog-card__link:focus-visible {
  outline: 2px solid var(--c-primary);
  outline-offset: 2px;
  border-radius: 16px;
}
.blog-post__back:focus-visible {
  outline: 2px solid var(--c-primary);
  outline-offset: 2px;
}
.btn--outline:focus-visible {
  outline: 2px solid var(--c-primary);
  outline-offset: 3px;
}

/* High contrast mode */
body.a11y-high-contrast .blog-card__date {
  color: #1E293B !important;
}
body.a11y-high-contrast .blog-card__excerpt {
  color: #1E293B !important;
}
body.a11y-high-contrast .blog-card__title {
  color: #0F172A !important;
}
body.a11y-high-contrast .blog-home__sub {
  color: #1E293B !important;
}
body.a11y-high-contrast .blog-hero__sub {
  color: #1E293B !important;
}
body.a11y-high-contrast .blog-post__meta {
  color: #1E293B !important;
}
body.a11y-high-contrast .blog-post__content {
  color: #0F172A !important;
}
body.a11y-high-contrast .blog-post__content blockquote {
  color: #1E293B !important;
}
body.a11y-high-contrast .author-bio__text {
  color: #1E293B !important;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  .blog-card--reveal {
    animation: none;
    opacity: 1;
    transform: none;
  }
}

/* Responsive */
@media (max-width: 768px) {
  .blog-listing__grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .blog-post {
    padding: 120px 0 60px;
  }

  .blog-hero {
    padding: 130px 0 40px;
  }

  .blog-card__body {
    padding: 20px;
  }
}