/* ============================================================
   BebrGPT Blog — Warm Minimal Design
   Base styles loaded from ../css/styles.min.css
   ============================================================ */

/* --- Smooth scrolling --- */
html { scroll-behavior: smooth; }

/* --- Reading progress bar --- */
.reading-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--accent);
  transform-origin: left;
  transform: scaleX(0);
  z-index: 1000;
  pointer-events: none;
  will-change: transform;
}

/* --- Blog Hero (index page) --- */
.blog-hero {
  padding: 80px 0 48px;
  text-align: center;
}

.blog-hero h1 {
  font-family: 'DM Sans', sans-serif;
  font-size: 44px;
  font-weight: 700;
  letter-spacing: -1.5px;
  line-height: 1.1;
  margin-bottom: 12px;
}

.blog-hero p {
  font-size: 17px;
  color: var(--ink3);
  max-width: 520px;
  margin: 0 auto;
}

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

.blog-grid article {
  display: flex;
}

/* --- Blog Card --- */
.blog-card {
  display: flex;
  flex-direction: column;
  flex: 1;
  border: 1px solid var(--cream);
  border-radius: 14px;
  background: var(--white);
  overflow: hidden;
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}
.blog-card:hover {
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
  transform: translateY(-2px);
}

.blog-card-img {
  width: 100%;
  aspect-ratio: 16 / 9;
  background: var(--offwhite);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 48px;
  border-bottom: 1px solid var(--cream);
}

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

.blog-card-tag {
  display: inline-block;
  width: fit-content;
  padding: 3px 10px;
  background: var(--accent-light);
  color: var(--accent-dark);
  font-size: 12px;
  font-weight: 600;
  border-radius: 6px;
  letter-spacing: 0.3px;
  margin-bottom: 12px;
}

.blog-card-title {
  font-family: 'DM Sans', sans-serif;
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.3px;
  line-height: 1.3;
  margin-bottom: 8px;
  color: var(--ink);
}

.blog-card-excerpt {
  font-size: 14px;
  color: var(--ink3);
  line-height: 1.6;
  flex: 1;
}

.blog-card-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--cream);
  font-size: 13px;
  color: var(--ink4);
}

.blog-card-meta span {
  display: flex;
  align-items: center;
  gap: 4px;
}

/* --- Article Page --- */
.article-content {
  max-width: 680px;
  margin: 0 auto;
  padding-top: 72px;
  padding-bottom: 80px;
}

.article-back {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 14px;
  font-weight: 500;
  color: var(--ink4);
  margin-bottom: 40px;
  transition: color 0.2s;
}
.article-back:hover {
  color: var(--ink);
}
.article-back svg { width: 15px; height: 15px; }

/* Article header — meta line above title */
.article-header {
  margin-bottom: 48px;
}

.article-header-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
  font-size: 13px;
  color: var(--ink4);
}

.article-header-meta .blog-card-tag {
  margin-bottom: 0;
}

.article-header h1 {
  font-family: 'DM Sans', sans-serif;
  font-size: 40px;
  font-weight: 700;
  letter-spacing: -1.5px;
  line-height: 1.15;
  margin-bottom: 0;
  color: var(--ink);
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 14px;
  color: var(--ink4);
}

/* --- Article Body --- */
.article-body h2 {
  font-family: 'DM Sans', sans-serif;
  font-size: 24px;
  font-weight: 600;
  letter-spacing: -0.3px;
  margin: 56px 0 16px;
  color: var(--ink);
}

.article-body h3 {
  font-family: 'DM Sans', sans-serif;
  font-size: 17px;
  font-weight: 500;
  margin: 32px 0 12px;
  color: var(--ink2);
}

.article-body p {
  font-size: 16px;
  line-height: 1.8;
  color: #484848;
  margin-bottom: 24px;
}

.article-body ul,
.article-body ol {
  margin: 0 0 24px 24px;
  list-style: disc;
}
.article-body ol { list-style: decimal; }

.article-body li {
  font-size: 16px;
  line-height: 1.8;
  color: #484848;
  margin-bottom: 8px;
}

.article-body blockquote {
  margin: 32px 0;
  padding: 0 0 0 32px;
  border: none;
  background: none;
  border-radius: 0;
  font-size: 17px;
  font-style: italic;
  color: var(--ink3);
  line-height: 1.7;
}

.article-body code {
  font-family: 'JetBrains Mono', monospace;
  font-size: 14px;
  background: var(--offwhite);
  padding: 2px 6px;
  border-radius: 4px;
  border: 1px solid var(--cream);
}

.article-body pre {
  margin: 28px 0;
  padding: 24px;
  background: #1a1a1a;
  color: #e0e0e0;
  border-radius: 12px;
  overflow-x: auto;
  font-size: 14px;
  line-height: 1.6;
}
.article-body pre code {
  background: none;
  border: none;
  padding: 0;
  color: inherit;
}

.article-body strong {
  font-weight: 600;
  color: var(--ink);
}

.article-body a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: rgba(61, 125, 82, 0.3);
}
.article-body a:hover {
  text-decoration-color: var(--accent);
}

/* Future-ready: images */
.article-body img {
  width: 100%;
  border-radius: 12px;
  margin: 28px 0;
  box-shadow: 0 2px 16px rgba(0, 0, 0, 0.06);
}

.article-body figure {
  margin: 32px 0;
}

.article-body figure img {
  margin-bottom: 8px;
}

.article-body figcaption {
  font-size: 13px;
  color: var(--ink4);
  text-align: center;
}

/* Future-ready: embeds & diagrams */
.article-body .embed,
.article-body iframe {
  width: 100%;
  border-radius: 12px;
  margin: 28px 0;
  border: 1px solid var(--cream);
}

/* Future-ready: tables */
.article-body table {
  width: 100%;
  margin: 28px 0;
  border-collapse: collapse;
  font-size: 15px;
}

.article-body th {
  text-align: left;
  padding: 12px 16px;
  font-weight: 600;
  color: var(--ink);
  border-bottom: 2px solid var(--cream);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.article-body td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--cream);
  color: #484848;
}

.article-body tr:last-child td {
  border-bottom: none;
}

/* --- Blog Responsive --- */
@media (max-width: 900px) {
  .blog-hero { padding: 60px 0 32px; }
  .blog-hero h1 { font-size: 34px; }
  .blog-grid { grid-template-columns: 1fr; }
  .article-header h1 { font-size: 32px; }
}

@media (max-width: 600px) {
  .blog-hero h1 { font-size: 28px; }
  .blog-card-title { font-size: 19px; }
  .blog-card-body { padding: 16px; }

  .article-content {
    padding-top: 80px;
    padding-bottom: 56px;
  }
  .article-header h1 {
    font-size: 28px;
    letter-spacing: -1px;
  }
  .article-header {
    margin-bottom: 36px;
  }
  .article-body h2 {
    font-size: 21px;
    margin-top: 40px;
  }
  .article-body blockquote {
    padding-left: 20px;
    font-size: 16px;
  }
}