/*
 * Characters.io - Blog Styles
 * SEO-optimized blog design
 */

/* ============================================
   Breadcrumbs
   ============================================ */
.breadcrumbs {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: var(--space-md);
}

.breadcrumbs a {
  color: var(--plum);
  transition: color var(--duration-fast) var(--ease-out);
}

.breadcrumbs a:hover {
  color: var(--pink);
}

.breadcrumbs__separator {
  color: var(--gray-300);
}

.breadcrumbs__current {
  color: var(--text-muted);
}

/* ============================================
   Blog Hero
   ============================================ */
.blog-hero {
  padding-top: 140px;
  padding-bottom: var(--space-xl);
  background: linear-gradient(135deg, var(--cream) 0%, var(--white) 100%);
}

.blog-hero__title {
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  margin-bottom: var(--space-sm);
}

.blog-hero__description {
  font-size: 1.25rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin-bottom: var(--space-lg);
}

/* Category Filter */
.blog-categories {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.blog-category {
  padding: 0.625rem 1.25rem;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-full);
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-out);
}

.blog-category:hover {
  border-color: var(--plum);
  color: var(--plum);
}

.blog-category--active {
  background: var(--plum);
  border-color: var(--plum);
  color: var(--white);
}

.blog-category--active:hover {
  background: var(--plum-light);
  color: var(--white);
}

/* ============================================
   Featured Post
   ============================================ */
.blog-featured {
  padding: var(--space-xl) 0;
}

.featured-post {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  transition: transform var(--duration-normal) var(--ease-out), box-shadow var(--duration-normal) var(--ease-out);
}

@media (min-width: 768px) {
  .featured-post {
    grid-template-columns: 1.2fr 1fr;
  }
}

.featured-post:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.featured-post__image-wrapper {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
}

@media (min-width: 768px) {
  .featured-post__image-wrapper {
    aspect-ratio: auto;
    min-height: 400px;
  }
}

.featured-post__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--duration-slow) var(--ease-out);
}

.featured-post:hover .featured-post__image {
  transform: scale(1.05);
}

.featured-post__badge {
  position: absolute;
  top: var(--space-md);
  left: var(--space-md);
  padding: 0.5rem 1rem;
  background: var(--gold);
  color: var(--plum);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: var(--radius-sm);
}

.featured-post__content {
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

@media (min-width: 768px) {
  .featured-post__content {
    padding: var(--space-xl);
  }
}

.featured-post__meta {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
}

.featured-post__category {
  display: inline-block;
  padding: 0.375rem 0.875rem;
  background: var(--pink);
  color: var(--white);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: var(--radius-sm);
}

.featured-post__read-time {
  font-size: 0.875rem;
  color: var(--text-muted);
}

.featured-post__title {
  font-size: clamp(1.5rem, 3vw, 2rem);
  line-height: 1.3;
  margin-bottom: var(--space-sm);
  color: var(--plum);
}

.featured-post__excerpt {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: var(--space-md);
}

.featured-post__cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  color: var(--pink);
  transition: gap var(--duration-fast) var(--ease-out);
}

.featured-post:hover .featured-post__cta {
  gap: 0.75rem;
}

/* ============================================
   Blog Posts Grid
   ============================================ */
.blog-posts {
  padding: var(--space-xl) 0 var(--space-3xl);
}

.blog-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

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

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

/* Blog Card */
.blog-card {
  background: var(--white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform var(--duration-normal) var(--ease-out), box-shadow var(--duration-normal) var(--ease-out);
}

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

.blog-card__link {
  display: block;
}

.blog-card__image-wrapper {
  aspect-ratio: 16 / 10;
  overflow: hidden;
}

.blog-card__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--duration-slow) var(--ease-out);
}

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

.blog-card__content {
  padding: var(--space-md);
}

.blog-card__meta {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-xs);
}

.blog-card__category {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--pink);
}

.blog-card__read-time {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.blog-card__title {
  font-size: 1.125rem;
  line-height: 1.35;
  margin-bottom: var(--space-xs);
  color: var(--plum);
  transition: color var(--duration-fast) var(--ease-out);
}

.blog-card:hover .blog-card__title {
  color: var(--pink);
}

.blog-card__excerpt {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Load More */
.blog-load-more {
  text-align: center;
  margin-top: var(--space-2xl);
  padding-top: var(--space-xl);
  border-top: 1px solid var(--gray-200);
}

.blog-load-more__text {
  color: var(--text-muted);
  font-size: 1rem;
}

/* ============================================
   Newsletter CTA
   ============================================ */
.blog-newsletter {
  padding: var(--space-xl) 0;
  background: var(--cream);
}

.newsletter-box {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  text-align: center;
  box-shadow: var(--shadow-md);
}

.newsletter-box__title {
  font-size: clamp(1.5rem, 3vw, 2rem);
  margin-bottom: var(--space-sm);
}

.newsletter-box__description {
  font-size: 1rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-lg);
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

.newsletter-box__form {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  max-width: 450px;
  margin: 0 auto var(--space-sm);
}

@media (min-width: 640px) {
  .newsletter-box__form {
    flex-direction: row;
  }
}

.newsletter-box__input {
  flex: 1;
  padding: 0.875rem 1.25rem;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 1rem;
  transition: border-color var(--duration-fast) var(--ease-out);
}

.newsletter-box__input:focus {
  outline: none;
  border-color: var(--plum);
}

.newsletter-box__disclaimer {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

/* ============================================
   Blog Post Single Page
   ============================================ */
.blog-post-hero {
  padding-top: 140px;
  padding-bottom: var(--space-xl);
  background: linear-gradient(135deg, var(--cream) 0%, var(--white) 100%);
}

.blog-post-hero__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

.blog-post-hero__category {
  display: inline-block;
  padding: 0.375rem 0.875rem;
  background: var(--pink);
  color: var(--white);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: var(--radius-sm);
}

.blog-post-hero__date,
.blog-post-hero__read-time {
  font-size: 0.875rem;
  color: var(--text-muted);
}

.blog-post-hero__title {
  font-size: clamp(2rem, 5vw, 3rem);
  line-height: 1.2;
  margin-bottom: var(--space-md);
  max-width: 900px;
}

.blog-post-hero__excerpt {
  font-size: 1.25rem;
  color: var(--text-secondary);
  max-width: 700px;
  line-height: 1.6;
}

/* Featured Image */
.blog-post-image {
  padding: 0;
  margin-top: calc(-1 * var(--space-lg));
}

.blog-post-image__wrapper {
  max-width: 1000px;
  margin: 0 auto;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.blog-post-image__img {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

/* Article Content */
.blog-post-content {
  padding: var(--space-2xl) 0 var(--space-3xl);
}

.blog-post-content__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2xl);
}

@media (min-width: 1024px) {
  .blog-post-content__inner {
    grid-template-columns: 220px 1fr;
  }
}

/* Table of Contents */
.toc {
  position: sticky;
  top: 120px;
  align-self: start;
  display: none;
}

@media (min-width: 1024px) {
  .toc {
    display: block;
  }
}

.toc__title {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: var(--space-sm);
}

.toc__list {
  list-style: none;
}

.toc__item {
  margin-bottom: 0.5rem;
}

.toc__link {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.4;
  display: block;
  padding: 0.25rem 0;
  border-left: 2px solid transparent;
  padding-left: var(--space-sm);
  transition: all var(--duration-fast) var(--ease-out);
}

.toc__link:hover,
.toc__link--active {
  color: var(--plum);
  border-left-color: var(--pink);
}

.toc__link--sub {
  padding-left: var(--space-md);
  font-size: 0.8125rem;
}

/* Article Body */
.article {
  max-width: 720px;
}

.article h2 {
  font-size: 1.75rem;
  margin-top: var(--space-2xl);
  margin-bottom: var(--space-md);
  scroll-margin-top: 100px;
}

.article h3 {
  font-size: 1.375rem;
  margin-top: var(--space-xl);
  margin-bottom: var(--space-sm);
  scroll-margin-top: 100px;
}

.article h4 {
  font-size: 1.125rem;
  margin-top: var(--space-lg);
  margin-bottom: var(--space-xs);
}

.article p {
  margin-bottom: var(--space-md);
  font-size: 1.0625rem;
  line-height: 1.8;
}

.article ul,
.article ol {
  margin-bottom: var(--space-md);
  padding-left: var(--space-lg);
}

.article li {
  margin-bottom: 0.5rem;
  font-size: 1.0625rem;
  line-height: 1.7;
}

.article a {
  color: var(--pink);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--duration-fast) var(--ease-out);
}

.article a:hover {
  color: var(--plum);
}

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

.article-image {
  margin: var(--space-xl) 0;
}

.article-image__img {
  width: 100%;
  max-width: 600px;
  height: auto;
  border-radius: var(--radius-lg);
  box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

.article-image__caption {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-top: var(--space-xs);
  font-style: italic;
  max-width: 600px;
}

.article blockquote {
  border-left: 4px solid var(--pink);
  padding-left: var(--space-md);
  margin: var(--space-lg) 0;
  font-style: italic;
  color: var(--text-secondary);
}

/* Callout Boxes */
.callout {
  padding: var(--space-md);
  border-radius: var(--radius-md);
  margin: var(--space-lg) 0;
}

.callout--tip {
  background: #E8F5E9;
  border-left: 4px solid #4CAF50;
}

.callout--info {
  background: #E3F2FD;
  border-left: 4px solid #2196F3;
}

.callout--warning {
  background: #FFF3E0;
  border-left: 4px solid #FF9800;
}

.callout__title {
  font-weight: 700;
  font-size: 0.9375rem;
  margin-bottom: 0.5rem;
  color: var(--plum);
}

.callout p:last-child {
  margin-bottom: 0;
}

/* In-Article CTA */
.article-cta {
  background: linear-gradient(135deg, var(--plum) 0%, var(--plum-light) 100%);
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
  text-align: center;
  margin: var(--space-2xl) 0;
}

.article-cta__title {
  color: var(--white);
  font-size: 1.5rem;
  margin-bottom: var(--space-sm);
}

.article-cta__text {
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: var(--space-md);
}

.article-cta .btn {
  display: inline-block;
}

/* FAQ Section in Articles */
.article-faq {
  margin-top: var(--space-2xl);
  padding-top: var(--space-xl);
  border-top: 1px solid var(--gray-200);
}

.article-faq__title {
  font-size: 1.5rem;
  margin-bottom: var(--space-lg);
}

.article-faq__item {
  border-bottom: 1px solid var(--gray-200);
}

.article-faq__question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-md) 0;
  background: none;
  border: none;
  font-family: var(--font-display);
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--plum);
  text-align: left;
  cursor: pointer;
  gap: var(--space-sm);
}

.article-faq__icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  transition: transform var(--duration-fast) var(--ease-out);
}

.article-faq__item[open] .article-faq__icon {
  transform: rotate(45deg);
}

.article-faq__answer {
  padding-bottom: var(--space-md);
  font-size: 1rem;
  line-height: 1.7;
}

/* Related Posts */
.related-posts {
  padding: var(--space-2xl) 0;
  background: var(--cream);
}

.related-posts__title {
  font-size: 1.5rem;
  margin-bottom: var(--space-lg);
  text-align: center;
}

.related-posts__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

@media (min-width: 640px) {
  .related-posts__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

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

/* Author Box */
.author-box {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  padding: var(--space-lg);
  background: var(--gray-50);
  border-radius: var(--radius-md);
  margin-top: var(--space-2xl);
}

@media (min-width: 640px) {
  .author-box {
    flex-direction: row;
    align-items: center;
  }
}

.author-box__avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
}

.author-box__info {
  flex: 1;
}

.author-box__name {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--plum);
  margin-bottom: 0.25rem;
}

.author-box__title {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.author-box__bio {
  font-size: 0.9375rem;
  line-height: 1.6;
  margin-bottom: 0;
}

/* Share Buttons */
.share-buttons {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-top: var(--space-xl);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--gray-200);
}

.share-buttons__label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-muted);
}

.share-buttons__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--gray-100);
  color: var(--text-secondary);
  transition: all var(--duration-fast) var(--ease-out);
}

.share-buttons__btn:hover {
  background: var(--plum);
  color: var(--white);
}

/* Active Nav State */
.nav__link--active {
  color: var(--pink);
}