/* Long-form journal article layout — Astryx Stone tokens, Nếp palette. */

body.nep[data-astryx-theme="stone"] .nep-article {
  max-width: 78rem;
}

/* ---------- Header ---------- */
body.nep[data-astryx-theme="stone"] .nep-article__header {
  max-width: 46rem;
  padding-bottom: clamp(1.5rem, 3vw, 2.25rem);
}
body.nep[data-astryx-theme="stone"] .nep-article__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 0.85rem;
  margin: 0 0 1.1rem;
  font-size: 0.78rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}
body.nep[data-astryx-theme="stone"] .nep-article__category {
  display: inline-flex;
  align-items: center;
  padding: 0.3rem 0.75rem;
  border: 1px solid var(--nep-line);
  border-radius: var(--radius-full, 9999px);
  color: var(--nep-accent);
  font-weight: 600;
  text-decoration: none;
}
body.nep[data-astryx-theme="stone"] .nep-article__category:hover {
  border-color: var(--nep-accent);
  color: var(--nep-accent-hover);
}
body.nep[data-astryx-theme="stone"] .nep-article__meta-item {
  color: var(--nep-muted);
}
body.nep[data-astryx-theme="stone"] .nep-article__meta-item[aria-hidden="true"] {
  width: 0.3rem;
  height: 0.3rem;
  border-radius: 50%;
  background: var(--nep-line);
}
body.nep[data-astryx-theme="stone"] .nep-article__header h1 {
  max-width: 24ch;
  margin: 0;
  font-size: clamp(2rem, 4.6vw, 3.4rem);
  font-weight: 600;
  letter-spacing: -0.035em;
  line-height: 1.12;
  text-wrap: balance;
}
body.nep[data-astryx-theme="stone"] .nep-article .nep-journal-article__lede {
  max-width: 58ch;
  margin-top: 1.1rem;
  color: var(--nep-muted);
  font-size: clamp(1.02rem, 1.5vw, 1.18rem);
  line-height: 1.7;
}

/* ---------- Hero media ---------- */
body.nep[data-astryx-theme="stone"] .nep-article__media {
  max-width: 78rem;
  margin-inline: auto;
}
body.nep[data-astryx-theme="stone"] .nep-article__media .nep-journal-article__image {
  aspect-ratio: 21 / 9;
  max-height: 38rem;
}

/* ---------- Mobile TOC ---------- */
body.nep[data-astryx-theme="stone"] .nep-article__toc-mobile {
  display: none;
}

/* ---------- Layout ---------- */
body.nep[data-astryx-theme="stone"] .nep-article__layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 15.5rem;
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: start;
  max-width: 78rem;
  margin-inline: auto;
}
body.nep[data-astryx-theme="stone"] .nep-article__main {
  min-width: 0;
  max-width: 44rem;
}
body.nep[data-astryx-theme="stone"] .nep-article__aside {
  position: sticky;
  top: 6rem;
  display: grid;
  gap: 1.25rem;
}

/* ---------- Body typography ---------- */
body.nep[data-astryx-theme="stone"] .nep-article__body {
  font-size: clamp(1.02rem, 1.2vw, 1.1rem);
  line-height: 1.8;
}
body.nep[data-astryx-theme="stone"] .nep-article__body p {
  margin-block: 0 0.95em;
}
body.nep[data-astryx-theme="stone"] .nep-article__body > :last-child {
  margin-bottom: 0;
}
body.nep[data-astryx-theme="stone"] .nep-article__body > p:first-of-type::first-letter {
  float: left;
  margin: 0.08em 0.14em 0 0;
  font-size: 3.4em;
  font-weight: 600;
  line-height: 0.85;
  color: var(--nep-accent);
}
body.nep[data-astryx-theme="stone"] .nep-article__body h2 {
  margin-block: 1.45em 0.5em;
  padding-top: 0.95em;
  border-top: 1px solid var(--nep-line);
  font-size: clamp(1.5rem, 2.6vw, 1.95rem);
  letter-spacing: -0.03em;
}
body.nep[data-astryx-theme="stone"] .nep-article__body h2:first-of-type {
  margin-top: 1.2em;
}
body.nep[data-astryx-theme="stone"] .nep-article__body h3 {
  margin-block: 1.35em 0.45em;
  font-size: clamp(1.2rem, 2vw, 1.45rem);
}
body.nep[data-astryx-theme="stone"] .nep-article__body ul,
body.nep[data-astryx-theme="stone"] .nep-article__body ol {
  margin-block: 0.4em 1em;
  padding-inline-start: 1.25rem;
}
body.nep[data-astryx-theme="stone"] .nep-article__body li {
  margin-block: 0.3rem;
  padding-inline-start: 0.15rem;
}
body.nep[data-astryx-theme="stone"] .nep-article__body li::marker {
  color: var(--nep-accent);
}
body.nep[data-astryx-theme="stone"] .nep-article__body a {
  color: var(--nep-accent);
  text-underline-offset: 0.18em;
}
body.nep[data-astryx-theme="stone"] .nep-article__body blockquote {
  margin: 1.4em 0;
  padding: 0.25rem 0 0.25rem 1.4rem;
  border-left: 3px solid var(--nep-accent);
  color: var(--nep-muted);
  font-size: 1.05em;
  line-height: 1.7;
}
body.nep[data-astryx-theme="stone"] .nep-article__body img {
  border-radius: var(--radius-container, 1rem);
}
body.nep[data-astryx-theme="stone"] .nep-article__body figure {
  margin: 1.5rem 0;
}
body.nep[data-astryx-theme="stone"] .nep-article__body figcaption {
  margin-top: 0.6rem;
  color: var(--nep-muted);
  font-size: 0.82rem;
  text-align: center;
}

/* ---------- Table of contents (desktop aside) ---------- */
body.nep[data-astryx-theme="stone"] .nep-toc {
  padding: 1.1rem 1.25rem 1.25rem;
  border: 1px solid var(--nep-line);
  border-radius: var(--radius-container, 1rem);
  background: var(--nep-surface);
}
body.nep[data-astryx-theme="stone"] .nep-toc h2 {
  margin: 0 0 0.75rem;
  padding: 0;
  border: 0;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--nep-muted);
}
body.nep[data-astryx-theme="stone"] .nep-toc ol {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: nep-toc;
}
body.nep[data-astryx-theme="stone"] .nep-toc li {
  counter-increment: nep-toc;
  margin: 0;
  padding: 0.42rem 0 0.42rem 1.9rem;
  position: relative;
  font-size: 0.9rem;
  line-height: 1.45;
}
body.nep[data-astryx-theme="stone"] .nep-toc li::before {
  content: counter(nep-toc, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0.5rem;
  color: var(--nep-accent);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}
body.nep[data-astryx-theme="stone"] .nep-toc a {
  color: var(--nep-ink);
  text-decoration: none;
}
body.nep[data-astryx-theme="stone"] .nep-toc a:hover {
  color: var(--nep-accent);
}

/* ---------- Aside CTA card ---------- */
body.nep[data-astryx-theme="stone"] .nep-article__aside-cta {
  padding: 0.85rem 1rem;
  border: 1px solid var(--nep-line);
  border-radius: var(--radius-container, 1rem);
  background: var(--nep-surface);
  color: var(--nep-ink);
}
body.nep[data-astryx-theme="stone"] .nep-article__aside-eyebrow {
  margin: 0 0 0.4rem;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--nep-accent);
}
body.nep[data-astryx-theme="stone"] .nep-article__aside-cta p {
  margin: 0 0 0.5rem;
  font-size: 0.85rem;
  line-height: 1.5;
}
body.nep[data-astryx-theme="stone"] .nep-article__aside-cta a {
  color: var(--nep-accent);
  font-size: 0.82rem;
  font-weight: 600;
  text-underline-offset: 0.2em;
}
body.nep[data-astryx-theme="stone"] .nep-article__aside-cta a:hover {
  color: var(--nep-accent-hover);
}

/* ---------- Mobile TOC ---------- */
@media (max-width: 1100px) {
body.nep[data-astryx-theme="stone"] .nep-article__toc-mobile {
  display: block;
  max-width: 44rem;
  margin: 0 auto 1.5rem;
  border: 1px solid var(--nep-line);
  border-radius: var(--radius-container, 1rem);
  background: var(--nep-surface);
}
body.nep[data-astryx-theme="stone"] .nep-article__toc-mobile summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.9rem 1.15rem;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--nep-muted);
  cursor: pointer;
  list-style: none;
}
body.nep[data-astryx-theme="stone"] .nep-article__toc-mobile summary::-webkit-details-marker { display: none; }
body.nep[data-astryx-theme="stone"] .nep-article__toc-mobile summary span {
  font-size: 1.1rem;
  line-height: 1;
  transition: transform 0.2s ease;
}
body.nep[data-astryx-theme="stone"] .nep-article__toc-mobile[open] summary span {
  transform: rotate(45deg);
}
body.nep[data-astryx-theme="stone"] .nep-article__toc-mobile ol {
  margin: 0;
  padding: 0 1.15rem 1rem;
  list-style: none;
  counter-reset: nep-toc;
}
body.nep[data-astryx-theme="stone"] .nep-article__toc-mobile li {
  counter-increment: nep-toc;
  margin: 0;
  padding: 0.4rem 0 0.4rem 1.8rem;
  position: relative;
  font-size: 0.92rem;
}
body.nep[data-astryx-theme="stone"] .nep-article__toc-mobile li::before {
  content: counter(nep-toc, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0.5rem;
  color: var(--nep-accent);
  font-size: 0.72rem;
  font-weight: 600;
}
body.nep[data-astryx-theme="stone"] .nep-article__toc-mobile a {
  color: var(--nep-ink);
  text-decoration: none;
}
}

/* ---------- Author card ---------- */
body.nep[data-astryx-theme="stone"] .nep-article__author {
  display: flex;
  gap: 1.1rem;
  align-items: flex-start;
  margin-top: clamp(2.5rem, 5vw, 3.5rem);
  padding: 1.4rem 1.5rem;
  border: 1px solid var(--nep-line);
  border-radius: var(--radius-container, 1rem);
  background: var(--nep-surface);
}
body.nep[data-astryx-theme="stone"] .nep-article__author-mark {
  flex: none;
  display: grid;
  place-items: center;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 50%;
  background: var(--nep-accent);
  color: var(--nep-on-accent);
  font-family: var(--nep-font);
  font-size: 1.15rem;
  font-weight: 600;
}
body.nep[data-astryx-theme="stone"] .nep-article__author h2 {
  margin: 0.15rem 0 0.45rem;
  padding: 0;
  border: 0;
  font-size: 1.02rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}
body.nep[data-astryx-theme="stone"] .nep-article__author p {
  margin: 0 0 0.6rem;
  color: var(--nep-muted);
  font-size: 0.9rem;
  line-height: 1.65;
}
body.nep[data-astryx-theme="stone"] .nep-article__author a {
  color: var(--nep-accent);
  font-size: 0.85rem;
  font-weight: 600;
  text-underline-offset: 0.2em;
}

/* ---------- CTA band ---------- */
body.nep[data-astryx-theme="stone"] .nep-article__cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem 2rem;
  margin-top: clamp(2rem, 4vw, 3rem);
  padding: clamp(1.5rem, 3vw, 2.25rem);
  border-radius: var(--radius-container, 1rem);
  background: var(--nep-surface);
  border: 1px solid var(--nep-line);
}
body.nep[data-astryx-theme="stone"] .nep-article__cta h2 {
  margin: 0 0 0.5rem;
  padding: 0;
  border: 0;
  font-size: clamp(1.4rem, 2.6vw, 1.9rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.2;
}
body.nep[data-astryx-theme="stone"] .nep-article__cta p {
  margin: 0;
  max-width: 46ch;
  color: var(--nep-muted);
  font-size: 0.95rem;
  line-height: 1.65;
}
body.nep[data-astryx-theme="stone"] .nep-article__cta .cta {
  flex: none;
}

/* ---------- Responsive ---------- */
@media (max-width: 1100px) {
  body.nep[data-astryx-theme="stone"] .nep-article__layout {
    grid-template-columns: minmax(0, 1fr);
  }
  body.nep[data-astryx-theme="stone"] .nep-article__aside {
    display: none;
  }
  body.nep[data-astryx-theme="stone"] .nep-article__toc-mobile {
    display: block;
  }
  body.nep[data-astryx-theme="stone"] .nep-article__main {
    max-width: none;
  }
}
@media (max-width: 767px) {
  body.nep[data-astryx-theme="stone"] .nep-article__body,
  body.nep[data-astryx-theme="stone"] .nep-article__body h2,
  body.nep[data-astryx-theme="stone"] .nep-article__body h3 {
    text-align: left;
  }
  body.nep[data-astryx-theme="stone"] .nep-article__body ul,
  body.nep[data-astryx-theme="stone"] .nep-article__body ol {
    padding-inline-start: 1.25rem;
    list-style-position: outside;
  }
  body.nep[data-astryx-theme="stone"] .nep-article__header h1 {
    font-size: clamp(1.9rem, 8.5vw, 2.5rem);
  }
  body.nep[data-astryx-theme="stone"] .nep-article__media .nep-journal-article__image {
    aspect-ratio: 4 / 3;
  }
  body.nep[data-astryx-theme="stone"] .nep-article__body > p:first-of-type::first-letter {
    font-size: 3em;
  }
  body.nep[data-astryx-theme="stone"] .nep-article__cta {
    flex-direction: column;
    align-items: flex-start;
  }
}