/* ==========================================================================
   Blog — Archive & Single Post
   Matches PHP templates: archive.php, home.php, single.php
   ========================================================================== */

/* --------------------------------------------------------------------------
   Section Wrappers
   -------------------------------------------------------------------------- */
.section-blog-header {
  position: relative;
  padding: 16rem 0 6rem;
  overflow: hidden;
}

.section-blog-articles {
  padding: 6rem 0 8rem;
}

.section-blog-newsletter {
  padding: 8rem 0;
}

.section-blog-single-header {
  padding-top: 12rem;
}

.section-blog-related {
  padding: 8rem 0;
}

.section-blog-cta {
  padding: 8rem 0;
}

/* --------------------------------------------------------------------------
   Blog Archive — Header
   -------------------------------------------------------------------------- */
.blog-archive {
  /* main wrapper — no extra padding; sections handle it */
}

.blog-header__subtitle {
  font-size: 1.5rem;
  color: var(--color-muted);
  line-height: var(--leading-wide);
  margin-bottom: 4.8rem;
  text-align: center;
}

/* --------------------------------------------------------------------------
   Floating Illustrations (blog header)
   -------------------------------------------------------------------------- */
.blog-illust-pc {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}

.blog-illust-pc .c-illust {
  position: absolute;
}

.blog-illust-pc .c-illust:nth-child(1) { inset-inline-start: 2%; top: 15%; width: 12rem; }
.blog-illust-pc .c-illust:nth-child(2) { inset-inline-start: 85%; top: 10%; width: 10rem; }
.blog-illust-pc .c-illust:nth-child(3) { inset-inline-start: -2%; top: 50%; width: 9rem; }
.blog-illust-pc .c-illust:nth-child(4) { inset-inline-start: 90%; top: 45%; width: 11rem; }
.blog-illust-pc .c-illust:nth-child(5) { inset-inline-start: 5%; top: 80%; width: 8rem; }
.blog-illust-pc .c-illust:nth-child(6) { inset-inline-start: 88%; top: 75%; width: 10rem; }

/* --------------------------------------------------------------------------
   Category Tabs
   -------------------------------------------------------------------------- */
.blog-categories {
  margin-bottom: 4.8rem;
}

.blog-categories__list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  justify-content: center;
}

.blog-categories__item {
  list-style: none;
}

/* .blog-categories__link uses .l-nav-item-link from layout.css for base styling */
.blog-categories__link.is-active {
  background-color: var(--color-base);
  color: var(--color-white);
  border-color: var(--color-base);
}

/* --------------------------------------------------------------------------
   Featured Post
   -------------------------------------------------------------------------- */
.featured-post {
  margin-bottom: 4.8rem;
}

.featured-post__link {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  background: var(--color-white);
  border-radius: var(--border-radius);
  overflow: hidden;
}

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

.featured-post__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.featured-post:hover .featured-post__image img {
  transform: scale(1.03);
}

.featured-post__body {
  padding: 4rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.featured-post__badge {
  margin-bottom: 1.6rem;
  align-self: flex-start;
}

.featured-post__title {
  font-size: 2.4rem;
  font-weight: var(--font-weight-bold);
  line-height: var(--leading-half);
  letter-spacing: var(--tracking-base);
  margin-bottom: 1.6rem;
}

.featured-post__excerpt {
  font-size: 1.5rem;
  color: var(--color-muted);
  line-height: var(--leading-wide);
  display: -webkit-box;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 1.6rem;
}

.featured-post__meta {
  margin-top: auto;
}

.featured-post__meta time {
  font-family: var(--font-family-red-hat);
  font-size: 1.2rem;
  color: var(--color-muted);
}

/* Image fallback */
.featured-post__image-fallback,
.post-card__image-fallback {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--color-border) 0%, var(--color-bg) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
}

.featured-post__fallback-logo,
.post-card__fallback-logo {
  width: 4rem;
  height: 4rem;
  opacity: 0.15;
}

/* --------------------------------------------------------------------------
   Post-card nth-child color indexing
   -------------------------------------------------------------------------- */
.post-grid .post-card:nth-child(6n+1) { --index-color: var(--color-01); }
.post-grid .post-card:nth-child(6n+2) { --index-color: var(--color-02); }
.post-grid .post-card:nth-child(6n+3) { --index-color: var(--color-03); }
.post-grid .post-card:nth-child(6n+4) { --index-color: var(--color-04); }
.post-grid .post-card:nth-child(6n+5) { --index-color: var(--color-05); }
.post-grid .post-card:nth-child(6n+6) { --index-color: var(--color-06); }

/* --------------------------------------------------------------------------
   WordPress Pagination (style WP output classes)
   -------------------------------------------------------------------------- */
.blog-archive .nav-links {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.8rem;
  margin-top: 4.8rem;
}

.blog-archive .nav-links .page-numbers {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 4rem;
  height: 4rem;
  border-radius: var(--border-radius-full);
  border: var(--border-width) solid var(--color-border);
  font-size: 1.4rem;
  font-weight: var(--font-weight-bold);
  font-family: var(--font-family-red-hat);
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.blog-archive .nav-links .page-numbers:hover {
  background-color: var(--rotation-color);
  color: var(--color-white);
  border-color: var(--rotation-color);
}

.blog-archive .nav-links .page-numbers.current {
  background-color: var(--color-base);
  color: var(--color-white);
  border-color: var(--color-base);
}

.blog-archive .nav-links .prev,
.blog-archive .nav-links .next {
  width: auto;
  padding: 0 1.6rem;
}

/* --------------------------------------------------------------------------
   Blog Newsletter CTA
   -------------------------------------------------------------------------- */
.blog-newsletter {
  background: var(--color-white);
  border-radius: var(--border-radius);
  padding: 6rem 4rem;
  text-align: center;
  max-width: 80rem;
  margin: 0 auto;
}

.blog-newsletter__title {
  font-size: 2.4rem;
  font-weight: var(--font-weight-bold);
  margin-bottom: 1.6rem;
}

.blog-newsletter__text {
  font-size: 1.5rem;
  color: var(--color-muted);
  line-height: var(--leading-wide);
  margin-bottom: 3.2rem;
}

.blog-newsletter__form {
  display: flex;
  gap: 1.2rem;
  justify-content: center;
  max-width: 48rem;
  margin: 0 auto;
}

.blog-newsletter__input {
  flex: 1;
  background: var(--color-snow);
  border: var(--border-width) solid var(--color-border);
  border-radius: var(--border-radius-full);
  padding: 1.2rem 2rem;
  font-size: 1.5rem;
  line-height: var(--leading-base);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.blog-newsletter__input:focus {
  outline: none;
  border-color: var(--rotation-color);
  box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.05);
}

/* --------------------------------------------------------------------------
   Empty State
   -------------------------------------------------------------------------- */
.blog-empty {
  text-align: center;
  padding: 8rem 0;
}

.blog-empty__illust {
  width: 16rem;
  margin: 0 auto 3.2rem;
  animation: illust-float 4s ease-in-out infinite;
}

.blog-empty__text {
  font-size: 1.5rem;
  color: var(--color-muted);
  margin-bottom: 2.4rem;
}

.blog-empty .c-button {
  display: inline-flex;
}

/* --------------------------------------------------------------------------
   Breadcrumb
   -------------------------------------------------------------------------- */
.breadcrumb {
  margin-bottom: 3.2rem;
}

.breadcrumb__list {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  list-style: none;
  font-size: 1.3rem;
  color: var(--color-muted);
}

.breadcrumb__item a {
  color: var(--color-muted);
  transition: color 0.2s ease;
}

.breadcrumb__item a:hover {
  color: var(--rotation-color);
}

.breadcrumb__item + .breadcrumb__item::before {
  content: '>';
  margin-inline-end: 0.8rem;
  color: var(--color-border);
}

.breadcrumb__item[aria-current="page"] {
  color: var(--color-base);
  font-weight: var(--font-weight-bold);
}

/* ==========================================================================
   Blog Single
   ========================================================================== */
.single-post {
  padding-bottom: 8rem;
}

/* --------------------------------------------------------------------------
   Article Hero
   -------------------------------------------------------------------------- */
.article-hero {
  width: 100%;
  aspect-ratio: 21 / 9;
  overflow: hidden;
  margin-bottom: 4.8rem;
}

.article-hero img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* --------------------------------------------------------------------------
   Article Layout (TOC sidebar + content)
   -------------------------------------------------------------------------- */
.article-layout {
  display: grid;
  grid-template-columns: 26rem 1fr;
  gap: 4rem;
  max-width: 120rem;
  margin: 0 auto;
  padding: 0 4rem;
}

/* --------------------------------------------------------------------------
   Article TOC Sidebar
   -------------------------------------------------------------------------- */
.article-toc {
  position: sticky;
  top: 10rem;
  align-self: start;
  background: var(--color-white);
  border-radius: var(--border-radius);
  padding: 2.4rem;
  border: var(--border-width) solid var(--color-border);
}

.article-toc__title {
  font-size: 1.4rem;
  font-weight: var(--font-weight-bold);
  letter-spacing: var(--tracking-base);
  margin-bottom: 1.6rem;
  color: var(--color-base);
}

.article-toc__list {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.article-toc__list li a {
  font-size: 1.3rem;
  color: var(--color-muted);
  line-height: var(--leading-half);
  padding: 0.4rem 0;
  padding-inline-start: 1.2rem;
  border-inline-start: var(--border-width) solid var(--color-border);
  transition: color 0.2s ease, border-color 0.2s ease;
}

.article-toc__list li a:hover,
.article-toc__list li a.is-active {
  color: var(--rotation-color);
  border-inline-start-color: var(--rotation-color);
}

.article-toc__item--sub {
  padding-inline-start: 2.4rem;
  font-size: 1.2rem;
}

/* --------------------------------------------------------------------------
   Article Header (single post)
   -------------------------------------------------------------------------- */
.article-header {
  margin-bottom: 4.8rem;
}

.article-header__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 2.4rem;
}

.article-header__title {
  font-size: 3.2rem;
  font-weight: var(--font-weight-bold);
  line-height: var(--leading-half);
  letter-spacing: var(--tracking-base);
  margin-bottom: 1.6rem;
}

.article-header__meta {
  display: flex;
  align-items: center;
  gap: 1.6rem;
  color: var(--color-muted);
  font-size: 1.3rem;
}

.article-header__meta time {
  font-family: var(--font-family-red-hat);
  font-weight: var(--font-weight-semi-bold);
}

.article-header__reading-time {
  font-family: var(--font-family-red-hat);
}

/* --------------------------------------------------------------------------
   Share Buttons
   -------------------------------------------------------------------------- */
.share-buttons {
  display: flex;
  gap: 0.8rem;
}

.share-buttons a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 3.6rem;
  height: 3.6rem;
  border-radius: 50%;
  border: var(--border-width) solid var(--color-border);
  color: var(--color-muted);
  transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
}

.share-buttons a:hover {
  color: var(--color-white);
  background-color: var(--rotation-color);
  border-color: var(--rotation-color);
}

/* --------------------------------------------------------------------------
   Article Content — Prose Typography
   -------------------------------------------------------------------------- */
.article-content {
  max-width: 72rem;
}

.article-content p {
  font-size: 1.5rem;
  line-height: var(--leading-wide);
  letter-spacing: var(--tracking-base);
  margin-bottom: 2rem;
}

.article-content h2 {
  font-size: 2.4rem;
  font-weight: var(--font-weight-bold);
  line-height: var(--leading-half);
  margin-top: 4.8rem;
  margin-bottom: 1.6rem;
  padding-bottom: 1.2rem;
  border-bottom: 1px solid var(--color-border);
}

.article-content h3 {
  font-size: 1.8rem;
  font-weight: var(--font-weight-semi-bold);
  line-height: var(--leading-half);
  margin-top: 3.2rem;
  margin-bottom: 1.2rem;
}

.article-content img {
  border-radius: var(--border-radius);
  margin: 2.4rem 0;
}

.article-content ul,
.article-content ol {
  margin-bottom: 1.6rem;
  padding-inline-start: 2.4rem;
}

.article-content li {
  margin-bottom: 0.6rem;
  line-height: var(--leading-base);
}

.article-content ul li {
  list-style-type: disc;
}

.article-content ol li {
  list-style-type: decimal;
}

.article-content blockquote {
  border-inline-start: 4px solid var(--color-border);
  padding: 1.2rem 2rem;
  margin: 1.6rem 0;
  color: var(--color-smoke);
  background-color: var(--color-ash);
  border-radius: var(--border-radius-inner);
}

.article-content a {
  color: var(--color-04);
  text-decoration: underline;
  transition: color 0.2s ease;
}

.article-content a:hover {
  color: var(--color-01);
}

/* --------------------------------------------------------------------------
   Inline Product CTA
   -------------------------------------------------------------------------- */
.inline-product-cta {
  display: grid;
  grid-template-columns: 16rem 1fr;
  gap: 2.4rem;
  background: var(--color-snow);
  border-radius: var(--border-radius);
  padding: 2.4rem;
  margin: 3.2rem 0;
  border: var(--border-width) solid var(--color-border);
}

.inline-product-cta__image {
  border-radius: var(--border-radius-inner);
  overflow: hidden;
}

.inline-product-cta__image img {
  width: 100%;
  height: auto;
}

.inline-product-cta__body {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.inline-product-cta__title {
  font-size: 1.6rem;
  font-weight: var(--font-weight-bold);
  letter-spacing: var(--tracking-base);
  margin-bottom: 0.8rem;
}

.inline-product-cta__desc {
  font-size: 1.3rem;
  color: var(--color-muted);
  line-height: var(--leading-loose);
  margin-bottom: 1.6rem;
}

/* --------------------------------------------------------------------------
   Related Articles
   -------------------------------------------------------------------------- */
.related-articles {
  margin-top: 8rem;
  max-width: 120rem;
  margin-inline: auto;
  padding: 0 4rem;
}

.related-articles__title {
  font-size: 2.4rem;
  font-weight: var(--font-weight-bold);
  letter-spacing: var(--tracking-base);
  margin-bottom: 3.2rem;
}

/* --------------------------------------------------------------------------
   Article CTA Section
   -------------------------------------------------------------------------- */
.article-cta {
  margin-top: 8rem;
  background: var(--color-ash);
  border-radius: var(--border-radius);
  padding: 6rem 4rem;
  text-align: center;
  max-width: 120rem;
  margin-inline: auto;
}

.article-cta__title {
  font-size: 2.4rem;
  font-weight: var(--font-weight-bold);
  letter-spacing: var(--tracking-base);
  margin-bottom: 1.6rem;
}

.article-cta__text {
  font-size: 1.5rem;
  color: var(--color-muted);
  line-height: var(--leading-wide);
  margin-bottom: 3.2rem;
}

.article-cta__buttons {
  display: flex;
  gap: 1.6rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* ==========================================================================
   Search Results
   ========================================================================== */
.section-search { padding: 4rem 0 8rem; }

/* Search Heading */
.section-heading { text-align: center; margin-bottom: 4.8rem; }
.section-heading__en { font-size: 3.2rem; font-weight: var(--font-weight-bold); }
.section-heading__en em { font-style: normal; color: var(--color-01); }
.section-heading__sub { font-size: 1.5rem; color: var(--color-muted); margin-top: 0.8rem; }

/* Search Results Grid */
.search-results__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 3.2rem;
}

/* Pagination */
.search-results__pagination { margin-top: 4.8rem; }

/* Empty State */
.search-results__empty { text-align: center; padding: 6rem 0; }
.search-results__empty-message { font-size: 1.8rem; margin-bottom: 3.2rem; color: var(--color-muted); }
.search-results__suggestions { margin-bottom: 4rem; }
.search-results__suggestions-title { font-size: 2rem; font-weight: var(--font-weight-bold); margin-bottom: 1.6rem; }
.search-results__suggestions-list { list-style: disc; text-align: left; max-width: 50rem; margin: 0 auto; }
.search-results__suggestions-list li { margin-bottom: 0.8rem; color: var(--color-muted); }
.search-results__actions { display: flex; gap: 1.6rem; justify-content: center; margin-bottom: 4rem; }
.search-results__retry { max-width: 50rem; margin: 0 auto; }

/* Search Form */
.search-form { display: flex; gap: 1.2rem; }
.search-form__input {
  flex: 1;
  padding: 1.2rem 1.6rem;
  border: var(--border-width) solid var(--color-border);
  border-radius: var(--border-radius);
  font-size: 1.6rem;
  font-family: inherit;
}
.search-form__input:focus { outline: 2px solid var(--color-01); outline-offset: 2px; }