/* Blog articles — v3 shell + long-form content */

.page-article {
  --hover-bg: rgba(220, 38, 38, 0.06);
  --art-panel-bg: rgba(26, 26, 26, 0.65);
  --art-border: rgba(220, 38, 38, 0.22);
  --art-border-soft: rgba(220, 38, 38, 0.15);
}

/* Hero */
.page-article #art-hero {
  min-height: auto;
  padding: 0 4vw 4vh;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  gap: 2vh;
  overflow: hidden;
  position: relative;
  isolation: isolate;
  border-bottom: var(--rule);
}

.page-article #art-hero .hero__live-clock {
  font-size: clamp(3rem, 6vw, 6.5rem);
}

.page-article #art-hero .hero__topbar {
  padding-top: 3vh;
  flex-shrink: 0;
}

.page-article #art-hero .hero__headline {
  font-family: var(--display);
  font-size: clamp(1.35rem, 2.8vw, 2.5rem);
  line-height: 1.12;
  letter-spacing: -0.01em;
  max-width: min(52rem, 100%);
  white-space: normal;
  overflow-wrap: break-word;
  position: relative;
  z-index: 2;
  flex-shrink: 0;
  margin: 0.5rem 0 0;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.page-article #art-hero .hero__sub {
  padding-bottom: 1vh;
  flex-shrink: 0;
  position: relative;
  z-index: 2;
}

.page-article #art-hero .hero__tagline {
  font-size: clamp(0.82rem, 1.2vw, 0.98rem);
  line-height: 1.5;
  color: var(--text-gray);
  max-width: min(36rem, 90vw);
}

.page-article #art-hero .hero__date {
  font-family: var(--mono);
  font-size: var(--fs-sm);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-red);
}

.page-article #art-hero .hero__taglines .hero__date {
  margin: 0 0 0.35rem;
}

/* Body panel — rhythm as .ws-tool on LayherCAD / C-lib */
.page-article .art-body {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: min(52rem, 100%);
  min-width: 0;
  padding: 2rem 4vw 4rem;
  margin: 0 auto;
  box-sizing: border-box;
}

.page-article .art-back {
  margin-top: 2.5rem;
}

.page-article .article-content section {
  display: block;
  margin: 0 0 1.25rem;
}

.page-article .article-content section[id],
.page-article .article-content h3[id],
.page-article .article-content figure[id],
.page-article .article-content li[id] {
  scroll-margin-top: 2.5rem;
}

.page-article .article-content section > p,
.page-article .article-content section li,
.page-article .article-content section dd {
  margin: 0;
}

.page-article .article-content section > p + p {
  margin-top: 0.75rem;
}

.page-article .article-content section li {
  margin-top: 0.35rem;
}

/* Long-form typography — aligned with .ws-tool__intro (LayherCAD / C-lib) */
.page-article .article-content {
  font-family: var(--mono);
  font-size: calc(0.9rem + 2pt);
  line-height: 1.65;
  color: var(--text-gray);
}

.page-article .article-content > p,
.page-article .article-content dd {
  margin: 0;
}

.page-article .article-content > p + p {
  margin-top: 0.75rem;
}

.page-article .article-content li {
  margin-top: 0.35rem;
  margin-bottom: 0;
}

.page-article .article-content h2 {
  font-family: var(--condensed);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text-white);
  margin: 1.75rem 0 0.85rem;
}

.page-article .article-content h3 {
  font-family: var(--condensed);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-white);
  margin: 1.35rem 0 0.5rem;
}

.page-article .article-content h4 {
  font-family: var(--condensed);
  font-size: 1rem;
  color: var(--accent-orange);
  margin: 1rem 0 0.4rem;
}

.page-article .article-content .lead {
  font-family: var(--condensed);
  font-size: 1.15rem;
  line-height: 1.65;
  color: var(--accent-orange);
  margin: 0 0 1rem;
}

.page-article .article-content a {
  color: var(--accent-red);
  text-decoration: none;
  border-bottom: 1px solid rgba(220, 38, 38, 0.35);
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-article .article-content a:hover {
  color: var(--accent-orange);
  border-color: rgba(249, 115, 22, 0.55);
}

.page-article .article-content ul {
  margin: 0.45rem 0 0;
  padding-left: 1.1rem;
  list-style: disc;
}

.page-article .article-content ol {
  margin: 0.5rem 0 0;
  padding-left: 1.35rem;
  list-style: decimal;
}

.page-article .article-content ol > li + li {
  margin-top: 0.65rem;
}

.page-article .article-content strong {
  color: var(--text-white);
  font-weight: 500;
}

.page-article .article-content code {
  font-family: var(--mono);
  font-size: 0.86em;
  background: rgba(220, 38, 38, 0.08);
  color: var(--accent-orange);
  border: 1px solid rgba(220, 38, 38, 0.18);
  padding: 0.08em 0.35em;
  border-radius: 0;
}

.page-article .article-content pre {
  background: rgba(10, 10, 10, 0.9);
  border: var(--rule-thin);
  padding: 1rem;
  overflow: auto;
  margin: 1rem 0;
  font-size: calc(0.82rem + 2pt);
}

.page-article .article-content blockquote {
  margin: 1rem 0;
  padding: 0.75rem 1rem;
  border-left: 3px solid var(--accent-red);
  background: rgba(220, 38, 38, 0.06);
  color: var(--text-gray);
  font-style: italic;
}

.page-article .article-content aside,
.page-article .article-content .note {
  margin: 1rem 0;
  padding: 0.85rem 1rem;
  border: var(--rule-thin);
  border-left: 3px solid var(--accent-red);
  background: rgba(220, 38, 38, 0.06);
  color: var(--text-gray);
}

.page-article .article-toc {
  border: 1px solid var(--art-border);
  background: rgba(10, 10, 10, 0.45);
  padding: 1rem 1.25rem;
  margin: 1.25rem 0 1.75rem;
}

.page-article .article-toc p,
.page-article .article-toc h2 {
  font-family: var(--mono);
  font-size: var(--fs-sm);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-red);
  margin-bottom: 0.6rem;
  border: none;
  padding: 0;
}

.page-article .article-toc ul,
.page-article .article-toc ol {
  margin: 0;
  padding-left: 1.1rem;
}

.page-article .article-toc li {
  margin: 0.25rem 0;
}

.page-article .article-content figure {
  margin: 1.25rem 0;
  border: 1px solid var(--art-border);
  background: rgba(10, 10, 10, 0.5);
}

.page-article .article-content figure img {
  width: 100%;
  height: auto;
  display: block;
}

.page-article .article-content figcaption {
  padding: 0.65rem 0.9rem;
  font-size: calc(0.82rem + 2pt);
  color: var(--text-dim);
  border-top: 1px dashed var(--art-border-soft);
}

.page-article .article-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0;
  font-size: calc(0.82rem + 2pt);
  display: block;
  overflow-x: auto;
}

.page-article .article-content th,
.page-article .article-content td {
  border: 1px solid var(--art-border-soft);
  padding: 0.5rem 0.65rem;
  text-align: left;
  vertical-align: top;
}

.page-article .article-content th {
  background: rgba(220, 38, 38, 0.08);
  color: var(--text-white);
  font-family: var(--condensed);
  font-weight: 600;
}

.page-article .article-content dl dt {
  font-family: var(--condensed);
  color: var(--text-white);
  margin-top: 0.75rem;
  font-weight: 600;
}

.page-article .article-content dl dd {
  margin-left: 0;
  margin-bottom: 0.5rem;
}

.page-article .article-content .back-to-top {
  margin-top: 0.75rem;
}

.page-article .article-content .back-to-top a {
  font-size: var(--fs-sm);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.page-article .article-content .back-to-top a:hover {
  color: var(--accent-red);
}

.page-article .article-content .footnotes-list {
  padding-left: 1.2rem;
  color: var(--text-gray);
}

.page-article .article-content sup a {
  color: var(--accent-red);
  font-size: 0.75em;
}

/* Legacy wrappers — hide if any remain */
.page-article .header,
.page-article .site-footer,
.page-article .tech-section::before,
.page-article .tech-section::after,
.page-article .section-label,
.page-article .section-coords,
.page-article .primary-title,
.page-article .subtitle:not(.popup-subtitle) {
  display: none !important;
}

.page-article .main-content {
  margin-top: 0;
}

@media (max-width: 900px) {
  .page-article .main {
    width: 100%;
    max-width: 100%;
    overflow-x: clip;
  }

  .page-article .art-body {
    width: 100%;
    max-width: 100%;
    min-width: 0;
    overflow-x: clip;
  }
}

@media (max-width: 768px) {
  .page-article #art-hero {
    min-height: auto;
    padding-bottom: 5vh;
    gap: 1.5vh;
  }

  .page-article #art-hero .hero__headline {
    font-size: clamp(1.2rem, 5.5vw, 1.75rem);
    line-height: 1.15;
  }

  .page-article .art-body {
    padding-left: 5vw;
    padding-right: 5vw;
  }
}