/* ============================================================
   SWEAT440 BLOG — styles for main_pages/blog/*
   Layered on top of styles.css + v2-additions.css (brand tokens,
   header/footer, .container/.section/.card-grid). No yellow: white
   on dark/blue, blue on light, green only as a small accent — same
   rule as the rest of the site (see PIPELINE.md "Brand colors").
   ============================================================ */

/* --- BREADCRUMB --- */
.blog-breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-xs);
  padding: var(--space-md) 0;
  font-size: 0.85rem;
  color: var(--gray-routine);
}

.blog-breadcrumb a {
  color: var(--gray-routine);
}

.blog-breadcrumb a:hover {
  color: var(--blue-intensity);
}

.blog-breadcrumb__current {
  color: var(--black-barbell);
  font-weight: 600;
}

.blog-breadcrumb__sep {
  opacity: 0.5;
}

/* --- BLOG INDEX HERO --- */
.blog-hero {
  background-color: var(--black-barbell);
  padding: var(--space-2xl) 0 var(--space-xl);
  text-align: center;
}

.blog-hero__label {
  display: inline-block;
  font-family: var(--font-headline);
  font-weight: 500;
  font-style: italic;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--blue-intensity);
  margin-bottom: var(--space-sm);
}

.blog-hero__title {
  color: var(--white);
  margin-bottom: var(--space-md);
}

.blog-hero__subtitle {
  max-width: 620px;
  margin: 0 auto;
  color: var(--white);
  opacity: 0.8;
  font-size: 1.1rem;
  line-height: 1.6;
}

/* --- CATEGORY FILTER CHIPS (index page) --- */
.blog-filter {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-xs);
  padding: var(--space-lg) 0;
}

.blog-filter__chip {
  display: inline-flex;
  align-items: center;
  padding: 0.5rem 1.1rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--gray-mid);
  background: var(--white);
  color: var(--gray-text);
  font-family: var(--font-headline);
  font-weight: 500;
  font-style: italic;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  cursor: pointer;
  transition: border-color var(--transition-fast), color var(--transition-fast), background var(--transition-fast);
}

.blog-filter__chip:hover {
  border-color: var(--blue-intensity);
  color: var(--blue-intensity);
}

.blog-filter__chip.is-active {
  background: var(--blue-intensity);
  border-color: var(--blue-intensity);
  color: var(--white);
}

/* --- BLOG CARD (index grid + related posts) --- */
.blog-card {
  display: flex;
  flex-direction: column;
  background: var(--white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.blog-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.blog-card__link {
  display: flex;
  flex-direction: column;
  height: 100%;
  color: inherit;
}

.blog-card__media {
  position: relative;
  aspect-ratio: 16 / 10;
  background: var(--gray-light);
  overflow: hidden;
}

.blog-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.blog-card:hover .blog-card__media img {
  transform: scale(1.05);
}

.blog-card__category {
  position: absolute;
  top: var(--space-sm);
  left: var(--space-sm);
  background: var(--black-barbell);
  color: var(--white);
  font-family: var(--font-headline);
  font-weight: 500;
  font-style: italic;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.3rem 0.7rem;
  border-radius: var(--radius-pill);
}

.blog-card__body {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: var(--space-md);
}

.blog-card__title {
  font-size: 1.15rem;
  margin-bottom: var(--space-xs);
  color: var(--black-barbell);
}

.blog-card__excerpt {
  font-size: 0.92rem;
  color: var(--gray-routine);
  line-height: 1.6;
  flex: 1;
  margin-bottom: var(--space-sm);
}

.blog-card__meta {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: 0.8rem;
  color: var(--gray-routine);
  opacity: 0.8;
  border-top: 1px solid var(--gray-mid);
  padding-top: var(--space-sm);
}

.blog-card__meta .material-icons {
  font-size: 1rem;
}

/* --- BLOG GRID --- */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

.blog-load-more {
  display: flex;
  justify-content: center;
  margin-top: var(--space-xl);
}

/* --- SINGLE POST: HERO --- */
.blog-post-hero {
  padding: var(--space-sm) 0 var(--space-xl);
}

.blog-post-hero__category {
  display: inline-block;
  color: var(--blue-intensity);
  font-family: var(--font-headline);
  font-weight: 500;
  font-style: italic;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: var(--space-sm);
}

.blog-post-hero__title {
  color: var(--black-barbell);
  max-width: var(--container-narrow);
  margin-bottom: var(--space-md);
}

.blog-post-hero__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-md);
  color: var(--gray-routine);
  font-size: 0.9rem;
}

.blog-post-hero__meta-item {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.blog-post-hero__meta .material-icons {
  font-size: 1.1rem;
  color: var(--blue-intensity);
}

.blog-post-hero__image {
  margin-top: var(--space-xl);
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 16 / 7;
}

.blog-post-hero__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* --- SINGLE POST: BODY / PROSE --- */
.blog-post-body {
  max-width: var(--container-narrow);
  margin: 0 auto;
  padding: var(--space-xl) 0;
}

.blog-post-body h2 {
  color: var(--black-barbell);
  margin-top: var(--space-xl);
  margin-bottom: var(--space-sm);
}

.blog-post-body h2:first-child {
  margin-top: 0;
}

.blog-post-body h3 {
  color: var(--blue-intensity);
  margin-top: var(--space-lg);
  margin-bottom: var(--space-sm);
}

.blog-post-body p {
  color: var(--gray-text);
  line-height: 1.8;
}

.blog-post-body ul,
.blog-post-body ol {
  margin: 0 0 var(--space-md);
  padding-left: 1.4rem;
  color: var(--gray-text);
}

.blog-post-body ul {
  list-style: disc;
}

.blog-post-body ol {
  list-style: decimal;
}

.blog-post-body li {
  margin-bottom: 0.5rem;
  line-height: 1.7;
}

.blog-post-body a {
  color: var(--blue-intensity);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.blog-post-body a:hover {
  color: var(--blue-dark);
}

.blog-post-body img {
  border-radius: var(--radius-md);
  margin: var(--space-lg) 0;
}

.blog-post-body figure {
  margin: var(--space-lg) 0;
}

.blog-post-body figcaption {
  font-size: 0.85rem;
  color: var(--gray-routine);
  text-align: center;
  margin-top: var(--space-xs);
}

.blog-post-body blockquote {
  border-left: 4px solid var(--blue-intensity);
  padding: var(--space-sm) 0 var(--space-sm) var(--space-md);
  margin: var(--space-lg) 0;
  font-style: italic;
  color: var(--black-barbell);
  font-size: 1.1rem;
}

.blog-post-body strong {
  color: var(--black-barbell);
}

/* Inline CTA card dropped inside long posts */
.blog-inline-cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  background: var(--black-barbell);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  margin: var(--space-xl) 0;
}

.blog-inline-cta__text {
  color: var(--white);
}

.blog-inline-cta__title {
  font-size: 1.15rem;
  margin-bottom: 0.25rem;
}

.blog-inline-cta__text p {
  color: var(--white);
  opacity: 0.8;
  margin: 0;
  font-size: 0.9rem;
}

/* --- TAGS --- */
.blog-post-tags {
  max-width: var(--container-narrow);
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-xs);
  padding-bottom: var(--space-xl);
}

.blog-post-tags__label {
  font-family: var(--font-headline);
  font-weight: 500;
  font-style: italic;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--gray-routine);
  margin-right: var(--space-xs);
}

.blog-tag {
  display: inline-flex;
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-pill);
  background: var(--gray-light);
  color: var(--gray-text);
  font-size: 0.8rem;
}

.blog-tag:hover {
  background: var(--blue-intensity);
  color: var(--white);
}

/* --- AUTHOR BIO --- */
.blog-author {
  max-width: var(--container-narrow);
  margin: 0 auto var(--space-2xl);
  display: flex;
  gap: var(--space-md);
  background: var(--gray-light);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
}

.blog-author__avatar {
  flex-shrink: 0;
  width: 72px;
  height: 72px;
  border-radius: 50%;
  overflow: hidden;
  background: var(--blue-intensity);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-family: var(--font-headline);
  font-size: 1.5rem;
}

.blog-author__avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.blog-author__label {
  font-family: var(--font-headline);
  font-weight: 500;
  font-style: italic;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--blue-intensity);
  margin-bottom: 0.2rem;
}

.blog-author__name {
  font-size: 1.05rem;
  color: var(--black-barbell);
  margin-bottom: 0.35rem;
}

.blog-author__bio {
  font-size: 0.9rem;
  color: var(--gray-routine);
  line-height: 1.6;
}

/* --- RELATED POSTS --- */
.blog-related {
  background: var(--gray-light);
}

/* --- RESPONSIVE --- */
@media (max-width: 768px) {
  .blog-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .blog-author {
    flex-direction: column;
    text-align: center;
    align-items: center;
  }

  .blog-inline-cta {
    flex-direction: column;
    text-align: center;
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .blog-grid {
    grid-template-columns: 1fr;
  }

  .blog-filter {
    flex-wrap: nowrap;
    overflow-x: auto;
    justify-content: flex-start;
    scrollbar-width: none;
    padding-left: var(--space-sm);
    padding-right: var(--space-sm);
  }

  .blog-filter::-webkit-scrollbar {
    display: none;
  }

  .blog-filter__chip {
    flex: 0 0 auto;
  }
}