/* WelaOS editorial surfaces: landing previews, blog indexes, and articles. */

.blog-preview-section {
  overflow: hidden;
  background:
    radial-gradient(circle at 88% 8%, rgba(212, 175, 55, 0.16), transparent 25rem),
    linear-gradient(145deg, #fffdf8, #f4ecdc 68%, #eaf5ef);
}

.blog-card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.blog-card {
  display: flex;
  min-width: 0;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--wela-line);
  border-radius: var(--wela-radius);
  background: var(--wela-white);
  box-shadow: var(--wela-shadow-sm);
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

.blog-card:hover {
  transform: translateY(-4px);
  border-color: var(--wela-line-strong);
  box-shadow: var(--wela-shadow-md);
}

.blog-card-cover,
.blog-card-cover-placeholder {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  background:
    radial-gradient(circle at 76% 24%, rgba(239, 216, 142, 0.9), transparent 26%),
    linear-gradient(145deg, var(--wela-emerald-950), var(--wela-emerald-700));
}

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

.article-meta {
  margin: 0 0 10px;
  color: var(--wela-gold-700);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.blog-card h3 {
  margin-bottom: 10px;
  font-size: clamp(1.2rem, 1.7vw, 1.55rem);
}

.blog-card h3 a {
  color: var(--wela-ink);
  text-decoration: none;
}

.blog-card h3 a::after {
  position: absolute;
  inset: 0;
  content: "";
}

.blog-card-body {
  position: relative;
}

.blog-card-excerpt {
  flex: 1;
  color: var(--wela-ink-soft);
}

.blog-card-link {
  margin-top: 18px;
  color: var(--wela-emerald-800);
  font-weight: 800;
  text-decoration: none;
}

.blog-preview-more {
  margin-top: 30px;
  text-align: center;
}

.blog-catalog-shell {
  min-height: 100vh;
  background: var(--wela-champagne);
}

.blog-catalog-main {
  min-height: 62vh;
}

.blog-catalog-section {
  min-height: 62vh;
  overflow: hidden;
  background:
    radial-gradient(circle at 88% 8%, rgba(212, 175, 55, 0.16), transparent 25rem),
    linear-gradient(145deg, #fffdf8, #f4ecdc 68%, #eaf5ef);
}

.blog-catalog-section .section-heading {
  max-width: 820px;
}

.blog-catalog-section .blog-index-content {
  width: 100%;
  padding: 0;
}

.blog-article-shell {
  min-height: 100vh;
  background: var(--wela-champagne);
}

.article-hero {
  overflow: hidden;
  padding: clamp(4rem, 8vw, 7rem) 0 clamp(4.5rem, 8vw, 7rem);
  background:
    radial-gradient(circle at 84% 10%, rgba(212, 175, 55, 0.2), transparent 27rem),
    radial-gradient(circle at 8% 96%, rgba(19, 112, 90, 0.13), transparent 29rem),
    linear-gradient(145deg, #fffdf8, #f4ecdc 70%, #eaf5ef);
  color: var(--wela-ink);
}

.article-hero-inner,
.blog-index-content {
  width: min(calc(100% - 48px), var(--wela-container));
  margin-inline: auto;
}

.article-hero-inner {
  max-width: 900px;
  margin-inline: auto;
  text-align: center;
}

.article-hero h1 {
  margin-bottom: 20px;
  color: var(--wela-emerald-950);
}

.article-deck {
  max-width: 760px;
  margin: 0 auto;
  color: var(--wela-ink-soft);
  font-size: clamp(1.04rem, 1.8vw, 1.25rem);
}

.blog-index-content {
  padding-block: clamp(3.5rem, 7vw, 6.5rem);
}

.blog-index-empty {
  padding: 48px;
  border: 1px solid var(--wela-line);
  border-radius: var(--wela-radius);
  background: var(--wela-white);
  color: var(--wela-ink-soft);
  text-align: center;
}

.article-hero .article-meta {
  margin: 24px 0 0;
  color: var(--wela-emerald-700);
}

.article-cover-wrap {
  width: min(calc(100% - 48px), 1080px);
  margin: clamp(-3rem, -5vw, -4.5rem) auto 0;
}

.article-cover {
  width: 100%;
  max-height: 620px;
  border: 8px solid var(--wela-white);
  border-radius: var(--wela-radius-lg);
  object-fit: cover;
  box-shadow: var(--wela-shadow-lg);
}

.article-layout {
  width: min(calc(100% - 48px), 820px);
  margin-inline: auto;
  padding: clamp(3.5rem, 7vw, 6.5rem) 0;
}

.article-content {
  color: var(--wela-ink);
  font-size: clamp(1.04rem, 1.35vw, 1.14rem);
  line-height: 1.82;
}

.article-content > :first-child {
  margin-top: 0;
}

.article-content h2,
.article-content h3,
.article-content h4 {
  scroll-margin-top: 100px;
  color: var(--wela-emerald-950);
}

.article-content h2 {
  margin: 2.9rem 0 1rem;
  font-size: clamp(1.75rem, 3vw, 2.5rem);
}

.article-content h3 {
  margin: 2.2rem 0 0.8rem;
  font-size: clamp(1.35rem, 2.2vw, 1.8rem);
}

.article-content h4 {
  margin: 1.8rem 0 0.6rem;
  font-size: 1.2rem;
}

.article-content p,
.article-content ul,
.article-content ol,
.article-content blockquote,
.article-content figure,
.article-content table,
.article-content pre,
.article-content aside,
.article-content .article-callout,
.article-content .article-note {
  margin-block: 1.35rem;
}

.article-content .lead {
  color: var(--wela-ink-soft);
  font-size: 1.2em;
  line-height: 1.7;
}

.article-content ul,
.article-content ol {
  padding-left: 1.5rem;
}

.article-content li + li {
  margin-top: 0.55rem;
}

.article-content a {
  color: var(--wela-emerald-700);
  font-weight: 700;
}

.article-content blockquote {
  padding: 0.35rem 0 0.35rem 1.5rem;
  border-left: 4px solid var(--wela-gold-500);
  color: var(--wela-ink-soft);
  font-size: 1.16em;
  font-weight: 600;
}

.article-content .article-callout,
.article-content .article-note,
.article-content aside {
  padding: 1.4rem 1.55rem;
  border: 1px solid rgba(19, 112, 90, 0.2);
  border-radius: var(--wela-radius-sm);
  background: var(--wela-emerald-50);
}

.article-content img,
.article-content video,
.article-content iframe {
  width: 100%;
  height: auto;
  border-radius: var(--wela-radius-sm);
}

.article-content iframe {
  min-height: 430px;
  border: 0;
}

.article-content figcaption {
  margin-top: 0.65rem;
  color: var(--wela-ink-muted);
  font-size: 0.88rem;
  text-align: center;
}

.article-content table {
  display: block;
  width: 100%;
  overflow-x: auto;
  border-collapse: collapse;
  font-size: 0.95rem;
}

.article-content th,
.article-content td {
  min-width: 130px;
  padding: 0.85rem 1rem;
  border: 1px solid var(--wela-line);
  text-align: left;
  vertical-align: top;
}

.article-content th {
  background: var(--wela-emerald-950);
  color: #fff;
}

.article-content code {
  border-radius: 5px;
  background: var(--wela-emerald-50);
  color: var(--wela-emerald-950);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.9em;
}

.article-content :not(pre) > code {
  padding: 0.12rem 0.38rem;
}

.article-content pre {
  overflow-x: auto;
  padding: 1.25rem;
  border-radius: var(--wela-radius-sm);
  background: var(--wela-emerald-950);
  color: #eaf5ef;
}

.article-content pre code {
  background: transparent;
  color: inherit;
}

.article-content hr {
  margin: 2.7rem 0;
  border: 0;
  border-top: 1px solid var(--wela-line-strong);
}

.article-footer-cta {
  margin-top: 4rem;
  padding: clamp(1.6rem, 4vw, 2.6rem);
  border-radius: var(--wela-radius);
  background:
    radial-gradient(circle at 84% 14%, rgba(212, 175, 55, 0.24), transparent 18rem),
    var(--wela-emerald-950);
  color: #fff;
  text-align: center;
}

.article-footer-cta h2 {
  margin: 0 0 0.7rem;
  color: #fff;
  font-size: clamp(1.45rem, 2.8vw, 2rem);
}

.article-footer-cta p {
  color: rgba(255, 255, 255, 0.74);
}

.blog-footer {
  padding: 34px 24px;
  background: var(--wela-emerald-950);
  color: rgba(255, 255, 255, 0.7);
  text-align: center;
}

.blog-footer a {
  color: #fff;
}

@media (max-width: 840px) {
  .blog-card-grid {
    grid-template-columns: 1fr;
  }

  .blog-card {
    display: grid;
    grid-template-columns: minmax(180px, 0.8fr) minmax(0, 1.2fr);
  }

  .blog-card-cover,
  .blog-card-cover-placeholder {
    height: 100%;
    aspect-ratio: auto;
  }
}

@media (max-width: 620px) {
  .blog-card {
    display: flex;
  }

  .blog-card-cover,
  .blog-card-cover-placeholder {
    height: auto;
    aspect-ratio: 16 / 9;
  }

  .article-layout,
  .article-cover-wrap,
  .blog-index-content,
  .article-hero-inner {
    width: min(calc(100% - 28px), 820px);
  }

  .article-content iframe {
    min-height: 220px;
  }
}