/* ============================================
   FitForce Blog — blog.css
   Extends style.css with blog-specific styles
   ============================================ */

/* --- Blog Layout --- */
.blog-header {
  padding: 120px 0 48px;
  text-align: center;
  background: var(--color-bg);
  position: relative;
}

.blog-header__title {
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -0.035em;
  margin-bottom: 12px;
}

.blog-header__subtitle {
  font-size: 1.1rem;
  color: var(--color-text-light);
  line-height: 1.7;
  max-width: 580px;
  margin: 0 auto;
}

/* --- Blog Post Grid --- */
.blog-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  padding: 48px 0 80px;
}

.blog-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
  display: flex;
  flex-direction: column;
}

.blog-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.blog-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-brand);
  opacity: 0;
  transition: opacity var(--transition);
}

.blog-card:hover::before {
  opacity: 1;
}

.blog-card__body {
  padding: 28px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.blog-card__category {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-primary);
  background: linear-gradient(135deg, rgba(124,58,237,0.08), rgba(249,115,22,0.08));
  border-radius: var(--radius-full);
  margin-bottom: 14px;
  width: fit-content;
}

.blog-card__title {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 10px;
  line-height: 1.35;
  color: var(--color-text);
}

.blog-card__title a {
  color: inherit;
  text-decoration: none;
}

.blog-card__title a:hover {
  color: var(--color-primary);
}

.blog-card__excerpt {
  font-size: 0.95rem;
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: 20px;
  flex: 1;
}

.blog-card__meta {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 0.8rem;
  color: var(--color-text-light);
}

.blog-card__read-time::before {
  content: '';
  display: inline-block;
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--color-text-light);
  margin-right: 8px;
  vertical-align: middle;
}

/* --- Article Layout --- */
.article {
  padding: 120px 0 80px;
  background: var(--color-bg);
}

.article__inner {
  max-width: 720px;
  margin: 0 auto;
}

.article__breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--color-text-light);
  margin-bottom: 32px;
}

.article__breadcrumb a {
  color: var(--color-primary);
  text-decoration: none;
}

.article__breadcrumb a:hover {
  text-decoration: underline;
}

.article__breadcrumb-sep {
  color: var(--color-border);
}

.article__category {
  display: inline-flex;
  padding: 4px 12px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-primary);
  background: linear-gradient(135deg, rgba(124,58,237,0.08), rgba(249,115,22,0.08));
  border-radius: var(--radius-full);
  margin-bottom: 16px;
}

.article__title {
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -0.035em;
  line-height: 1.15;
  margin-bottom: 16px;
}

.article__meta {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 0.875rem;
  color: var(--color-text-light);
  margin-bottom: 40px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--color-border);
}

/* --- Article Content --- */
.article__content h2 {
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-top: 48px;
  margin-bottom: 16px;
  color: var(--color-text);
}

.article__content h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-top: 36px;
  margin-bottom: 12px;
  color: var(--color-text);
}

.article__content p {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--color-text-light);
  margin-bottom: 20px;
}

.article__content ul,
.article__content ol {
  padding-left: 24px;
  margin-bottom: 20px;
}

.article__content li {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--color-text-light);
  margin-bottom: 8px;
}

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

.article__content a {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.article__content a:hover {
  color: var(--color-primary-dark);
}

.article__content blockquote {
  border-left: 3px solid var(--color-primary-light);
  padding: 16px 24px;
  margin: 24px 0;
  background: var(--color-bg-alt);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.article__content blockquote p {
  margin-bottom: 0;
  font-style: italic;
}

/* --- Article CTA --- */
.article__cta {
  margin-top: 56px;
  padding: 40px;
  background: var(--gradient-dark);
  border-radius: var(--radius-lg);
  text-align: center;
  color: var(--color-text-inverse);
  position: relative;
  overflow: hidden;
}

.article__cta::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient-brand);
}

.article__cta h3 {
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: 10px;
}

.article__cta p {
  font-size: 0.95rem;
  opacity: 0.75;
  margin-bottom: 24px;
  line-height: 1.7;
}

.article__cta .btn--primary {
  display: inline-flex;
}

/* --- Related Posts --- */
.related-posts {
  padding: 0 0 80px;
}

.related-posts__title {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
}

.related-posts__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

/* --- Responsive --- */
@media (min-width: 640px) {
  .blog-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .related-posts__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .article__title {
    font-size: 2.75rem;
  }

  .blog-header__title {
    font-size: 3rem;
  }
}

@media (min-width: 1024px) {
  .blog-grid {
    grid-template-columns: repeat(3, 1fr);
  }

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

  .article__title {
    font-size: 3rem;
  }
}