/* ==========================================================================
   ALAFRAME EDITORIAL BLOG STYLES (css/blog.css)
   Strictly adheres to ALAFRAME Design System tokens & typography:
   Cormorant Garamond (Editorial Headings) + Inter (All UI/Body)
   ========================================================================== */

:root {
  --color-text-primary: var(--text-primary, #F4F4F2);
  --color-text-secondary: var(--text-secondary, rgba(255, 255, 255, 0.7));
  --color-text-muted: var(--text-muted, rgba(255, 255, 255, 0.5));
  --color-surface: var(--bg-surface, rgba(255, 255, 255, 0.02));
  --color-border: var(--border-subtle, rgba(255, 255, 255, 0.08));
  --color-brand-accent: var(--accent-lime, #B8FF00);
}

body.light-theme,
[data-theme="light"] {
  --color-text-primary: #111310;
  --color-text-secondary: #4A4E46;
  --color-text-muted: #72766E;
  --color-surface: #FFFFFF;
  --color-border: rgba(17, 19, 16, 0.1);
  --color-brand-accent: #181874;
}

.blog-main {
  min-height: 100vh;
  padding-top: calc(var(--header-height, 80px) + 40px);
  padding-bottom: 100px;
}

/* 01. BLOG HEADER / INTRO */
.blog-intro {
  padding: 40px 0 60px;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.blog-label {
  font-family: var(--font-ui);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-brand-accent, #10b981);
  margin-bottom: 14px;
  display: inline-block;
}

body.light-theme .blog-label {
  color: #181874;
}

.blog-title {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 5vw, 4.2rem);
  font-weight: 300;
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--color-text-primary, #ffffff);
  margin-bottom: 18px;
}

body.light-theme .blog-title {
  color: #111310;
}

.blog-subtitle {
  font-family: var(--font-body);
  font-size: clamp(15px, 1.8vw, 17px);
  color: var(--color-text-secondary, rgba(255, 255, 255, 0.7));
  line-height: 1.6;
  max-width: 620px;
  margin: 0 auto;
}

body.light-theme .blog-subtitle {
  color: #4A4E46;
}

/* 02. FEATURED POST CARD */
.featured-post-card {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 36px;
  background: var(--color-surface, rgba(255, 255, 255, 0.02));
  border: 1px solid var(--color-border, rgba(255, 255, 255, 0.08));
  border-radius: 16px;
  overflow: hidden;
  margin-bottom: 60px;
  text-decoration: none;
  color: inherit;
  transition: transform 0.3s ease, border-color 0.3s ease;
}

.featured-post-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 255, 255, 0.2);
}

body.light-theme .featured-post-card {
  background: #ffffff;
  border-color: rgba(0, 0, 0, 0.08);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.04);
}

.featured-media-wrap {
  width: 100%;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: #000000;
}

.featured-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

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

.featured-content {
  padding: 36px 36px 36px 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.post-cat-badge {
  font-family: var(--font-ui);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-brand-accent, #10b981);
  margin-bottom: 12px;
}

body.light-theme .post-cat-badge {
  color: #181874;
}

.featured-post-title {
  font-family: var(--font-heading);
  font-size: clamp(1.8rem, 2.8vw, 2.5rem);
  font-weight: 400;
  line-height: 1.2;
  margin-bottom: 16px;
  color: var(--color-text-primary, #ffffff);
}

body.light-theme .featured-post-title {
  color: #111310;
}

.featured-post-excerpt {
  font-family: var(--font-body);
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--color-text-secondary, rgba(255, 255, 255, 0.7));
  margin-bottom: 24px;
}

body.light-theme .featured-post-excerpt {
  color: #4A4E46;
}

.post-meta-row {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 12.5px;
  color: var(--color-text-muted, rgba(255, 255, 255, 0.5));
}

body.light-theme .post-meta-row {
  color: #72766E;
}

.post-read-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-ui);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--color-text-primary, #ffffff);
  margin-left: auto;
}

body.light-theme .post-read-link {
  color: #181874;
}

.blog-category-filter-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 32px 0 24px 0;
  padding-bottom: 4px;
  overflow-x: auto;
  scrollbar-width: none;
}
.blog-category-filter-bar::-webkit-scrollbar {
  display: none;
}

.category-filter-btn {
  background: transparent;
  border: 1px solid var(--color-border, rgba(255, 255, 255, 0.12));
  color: var(--color-text-secondary, rgba(255, 255, 255, 0.7));
  border-radius: 999px;
  padding: 6px 14px;
  font-family: var(--font-ui);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.02em;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.2s ease;
}

.category-filter-btn:hover {
  border-color: rgba(255, 255, 255, 0.3);
  color: #ffffff;
}

.category-filter-btn.active {
  background: #ffffff;
  color: #000000;
  border-color: #ffffff;
  font-weight: 600;
}

body.light-theme .category-filter-btn {
  border-color: rgba(17, 19, 16, 0.15);
  color: #4A4E46;
}

body.light-theme .category-filter-btn:hover {
  border-color: #181874;
  color: #181874;
}

body.light-theme .category-filter-btn.active {
  background: #181874;
  color: #ffffff;
  border-color: #181874;
}

/* 03. BLOG GRID */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 32px;
}

.blog-card {
  display: flex;
  flex-direction: column;
  background: var(--color-surface, rgba(255, 255, 255, 0.02));
  border: 1px solid var(--color-border, rgba(255, 255, 255, 0.08));
  border-radius: 12px;
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  transition: transform 0.25s ease, border-color 0.25s ease;
}

.blog-card:hover {
  transform: translateY(-3px);
  border-color: rgba(255, 255, 255, 0.2);
}

body.light-theme .blog-card {
  background: #ffffff;
  border-color: rgba(0, 0, 0, 0.08);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03);
}

.blog-card-media {
  width: 100%;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: #000000;
}

.blog-card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.blog-card:hover .blog-card-img {
  transform: scale(1.04);
}

.blog-card-body {
  padding: 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.blog-card-title {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 400;
  line-height: 1.25;
  margin-bottom: 10px;
  color: var(--color-text-primary, #ffffff);
}

body.light-theme .blog-card-title {
  color: #111310;
}

.blog-card-excerpt {
  font-family: var(--font-body);
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--color-text-secondary, rgba(255, 255, 255, 0.65));
  margin-bottom: 20px;
  flex: 1;
}

body.light-theme .blog-card-excerpt {
  color: #4A4E46;
}

.blog-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  border-top: 1px solid var(--color-border, rgba(255, 255, 255, 0.06));
  font-size: 12px;
  color: var(--color-text-muted, rgba(255, 255, 255, 0.5));
}

body.light-theme .blog-card-footer {
  color: #72766E;
  border-top-color: rgba(17, 19, 16, 0.08);
}

body.light-theme .blog-card-footer span:last-child {
  color: #181874;
  font-weight: 600;
}

/* ==========================================================================
   04. INDIVIDUAL POST / ARTICLE DETAIL VIEW
   ========================================================================== */
.article-header {
  padding: 40px 0 32px;
  max-width: 840px;
  margin: 0 auto;
  text-align: center;
}

.article-category {
  font-family: var(--font-ui);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-brand-accent, #10b981);
  margin-bottom: 16px;
  display: inline-block;
}

body.light-theme .article-category {
  color: #181874;
}

.article-title {
  font-family: var(--font-heading);
  font-size: clamp(2.4rem, 5vw, 4rem);
  font-weight: 400;
  line-height: 1.12;
  letter-spacing: -0.015em;
  color: var(--color-text-primary, #ffffff);
  margin-bottom: 20px;
}

body.light-theme .article-title {
  color: #111310;
}

.article-excerpt-lead {
  font-family: var(--font-body);
  font-size: clamp(16px, 2vw, 19px);
  line-height: 1.6;
  color: var(--color-text-secondary, rgba(255, 255, 255, 0.75));
  margin-bottom: 28px;
}

body.light-theme .article-excerpt-lead {
  color: #4A4E46;
}

.article-meta-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  font-family: var(--font-ui);
  font-size: 13px;
  color: var(--color-text-muted, rgba(255, 255, 255, 0.5));
  padding-bottom: 24px;
  border-bottom: 1px solid var(--color-border, rgba(255, 255, 255, 0.08));
}

body.light-theme .article-meta-bar {
  color: #72766E;
  border-bottom-color: rgba(17, 19, 16, 0.08);
}

.article-cover-frame {
  max-width: 1040px;
  margin: 0 auto 50px;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--color-border, rgba(255, 255, 255, 0.08));
  background: #000000;
}

.article-cover-img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  display: block;
}

/* Article Editorial Content */
.article-content {
  max-width: 760px;
  margin: 0 auto;
  font-family: var(--font-body);
  font-size: 1.08rem;
  line-height: 1.85;
  color: var(--color-text-primary, rgba(255, 255, 255, 0.88));
}

body.light-theme .article-content {
  color: #111310;
}

.article-content h2 {
  font-family: var(--font-heading);
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 400;
  line-height: 1.25;
  margin: 2.4rem 0 1rem;
  color: var(--color-text-primary, #ffffff);
}

body.light-theme .article-content h2 {
  color: #111310;
}

.article-content h3 {
  font-family: var(--font-heading);
  font-size: clamp(1.4rem, 2.4vw, 1.8rem);
  font-weight: 400;
  line-height: 1.3;
  margin: 1.8rem 0 0.8rem;
  color: var(--color-text-primary, #ffffff);
}

body.light-theme .article-content h3 {
  color: #111310;
}

.article-content p {
  margin-bottom: 1.4rem;
}

body.light-theme .article-content p,
body.light-theme .article-content li {
  color: #2D312A;
}

.article-content blockquote {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-style: italic;
  line-height: 1.5;
  border-left: 2px solid var(--color-brand-accent, #10b981);
  padding: 8px 0 8px 24px;
  margin: 2.2rem 0;
  color: var(--color-text-primary, #ffffff);
}

body.light-theme .article-content blockquote {
  border-left-color: #181874;
  color: #181874;
}

.article-content ul, .article-content ol {
  padding-left: 28px;
  margin-bottom: 1.5rem;
}

.article-content li {
  margin-bottom: 0.5rem;
}

.article-content img {
  max-width: 100%;
  border-radius: 12px;
  margin: 2rem 0;
  border: 1px solid var(--color-border, rgba(255, 255, 255, 0.08));
}

.article-content a {
  color: var(--color-brand-accent, #10b981);
  text-decoration: underline;
  text-underline-offset: 3px;
}

body.light-theme .article-content a {
  color: #181874;
}

/* Article Tags & Footer */
.article-tags-wrap {
  max-width: 760px;
  margin: 40px auto 0;
  padding-top: 24px;
  border-top: 1px solid var(--color-border, rgba(255, 255, 255, 0.08));
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

body.light-theme .article-tags-wrap {
  border-top-color: rgba(17, 19, 16, 0.08);
}

.article-tag-badge {
  font-family: var(--font-ui);
  font-size: 12px;
  padding: 4px 10px;
  border-radius: 6px;
  background: var(--color-surface, rgba(255, 255, 255, 0.04));
  border: 1px solid var(--color-border, rgba(255, 255, 255, 0.08));
  color: var(--color-text-secondary, rgba(255, 255, 255, 0.7));
}

body.light-theme .article-tag-badge {
  background: #F4F5F2;
  border-color: rgba(17, 19, 16, 0.1);
  color: #4A4E46;
}

/* Related Posts Section */
.related-posts-section {
  max-width: 1140px;
  margin: 80px auto 0;
  padding-top: 60px;
  border-top: 1px solid var(--color-border, rgba(255, 255, 255, 0.08));
}

body.light-theme .related-posts-section {
  border-top-color: rgba(17, 19, 16, 0.08);
}

.related-title {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 300;
  margin-bottom: 32px;
  text-align: center;
}

body.light-theme .related-title {
  color: #111310;
}

/* ==========================================================================
   RESPONSIVE QUERIES
   ========================================================================== */
@media (max-width: 860px) {
  .featured-post-card {
    grid-template-columns: 1fr;
  }
  .featured-content {
    padding: 24px;
  }
  .blog-grid {
    grid-template-columns: 1fr;
  }
}