/* ============================================================
   Tektome — Single article template (blog + news)
   Shared by Blog Post.html and News Article.html via
   article-blog-post.html and article-news.html fragments.
   ============================================================ */

.article-page {
  flex: 1;
  background: var(--bg-page);
  font-family: var(--font-sans);
  color: var(--fg-primary);
}

/* ------------------------------------------------------------
   1. Top breadcrumb / back row
   ------------------------------------------------------------ */
.article-topbar {
  background: var(--color-draft-white);
  border-bottom: 1px solid var(--gray-200);
}
.article-topbar__inner {
  max-width: var(--site-width, 1300px);
  margin: 0 auto;
  padding: 18px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.article-back {
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: var(--fw-medium);
  color: var(--fg-secondary);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: color var(--duration-fast) var(--ease-out);
}
.article-back svg { width: 12px; height: 12px; }
.article-back:hover { color: var(--color-arch-purple); }

.article-crumbs {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--fg-tertiary);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.article-crumbs a {
  color: inherit;
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease-out);
}
.article-crumbs a:hover { color: var(--color-arch-purple); }
.article-crumbs span { color: var(--gray-400); }

/* ------------------------------------------------------------
   2. Article header (eyebrow → title → lede → byline)
   ------------------------------------------------------------ */
.article-header {
  background: var(--color-draft-white);
  border-bottom: 1px solid var(--gray-200);
}
.article-header__inner {
  max-width: 880px;
  margin: 0 auto;
  padding: 64px 32px 48px;
}

.article-header__eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-arch-purple);
  margin: 0 0 22px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.article-header__eyebrow .news-pill { font-size: 11px; }
.article-header__eyebrow-dot { color: var(--gray-400); }

.article-header__title {
  font-family: var(--font-display);
  font-weight: var(--fw-light);
  font-size: 56px;
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--fg-primary);
  margin: 0 0 24px;
  text-wrap: pretty;
}
.article-header__lede {
  font-family: var(--font-sans);
  font-weight: var(--fw-regular);
  font-size: 20px;
  line-height: 1.55;
  color: var(--fg-secondary);
  margin: 0 0 32px;
  max-width: 64ch;
  text-wrap: pretty;
}

/* Byline row */
.article-byline {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.article-byline__avatar {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-pill);
  background: linear-gradient(135deg, var(--color-arch-purple), var(--color-taro));
  color: var(--color-draft-white);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-sans);
  font-weight: var(--fw-semibold);
  font-size: 13px;
  letter-spacing: 0.02em;
  flex-shrink: 0;
  border: 1px solid var(--purple-200);
}
.article-byline__avatar--mark {
  background: var(--color-data-black);
  border: 1px solid var(--color-data-black);
  padding: 8px;
}
.article-byline__avatar--mark img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: contain;
}
.article-byline__who {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}
.article-byline__name {
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: var(--fw-semibold);
  color: var(--fg-primary);
}
.article-byline__role {
  font-family: var(--font-sans);
  font-size: 12.5px;
  color: var(--fg-tertiary);
}
.article-byline__meta {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--fg-tertiary);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.article-byline__meta span { color: var(--gray-400); }

/* ------------------------------------------------------------
   3. Hero image — 0 radius per brand
   ------------------------------------------------------------ */
.article-hero {
  background: var(--color-draft-white);
  padding: 0 0 0;
}
.article-hero__inner {
  max-width: var(--site-width, 1300px);
  margin: 0 auto;
  padding: 0 32px;
}
.article-hero__frame {
  position: relative;
  aspect-ratio: 16 / 7;
  overflow: hidden;
}
.article-hero__caption {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--fg-tertiary);
  margin: 12px 0 0;
}
.article-hero__caption span { color: var(--gray-400); padding: 0 4px; }

/* ------------------------------------------------------------
   4. Article body — 720px prose column
   ------------------------------------------------------------ */
.article-body {
  background: var(--color-draft-white);
  padding: 64px 0 96px;
}
.article-body__inner {
  max-width: 880px;
  margin: 0 auto;
  padding: 0 32px;
  display: grid;
  grid-template-columns: 56px minmax(0, 720px) 56px;
  gap: 0;
  justify-content: center;
}
.article-prose {
  grid-column: 2;
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.7;
  color: var(--fg-primary);
}

/* Prose elements */
.article-prose > * + * { margin-top: 1.2em; }
.article-prose p {
  margin: 0;
  color: var(--fg-primary);
  text-wrap: pretty;
}
/* p { margin:0 } beats the owl rule (0,1,1 > 0,1,0) — restore spacing with a higher-specificity rule */
.article-prose > p + p,
.article-prose > * + p { margin-top: 1.2em; }
.article-prose p.lead {
  font-size: 19px;
  line-height: 1.6;
  color: var(--fg-primary);
  font-weight: var(--fw-regular);
}
.article-prose a {
  color: var(--color-arch-purple);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
  transition: color var(--duration-fast) var(--ease-out);
}
.article-prose a:hover { color: var(--purple-700); }
.article-prose strong { font-weight: var(--fw-semibold); }
.article-prose em { font-style: italic; }

.article-prose h2 {
  font-family: var(--font-display);
  font-weight: var(--fw-light);
  font-size: 32px;
  line-height: 1.2;
  letter-spacing: -0.015em;
  color: var(--fg-primary);
  margin-top: 2.2em;
  margin-bottom: 0.3em;
  text-wrap: pretty;
}
.article-prose h3 {
  font-family: var(--font-sans);
  font-weight: var(--fw-semibold);
  font-size: 19px;
  line-height: 1.3;
  letter-spacing: -0.005em;
  color: var(--fg-primary);
  margin-top: 1.6em;
  margin-bottom: 0.2em;
}

.article-prose ul,
.article-prose ol {
  margin: 0;
  padding-left: 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.article-prose li::marker { color: var(--color-arch-purple); }
.article-prose li { padding-left: 4px; }

.article-prose hr {
  border: 0;
  border-top: 1px solid var(--gray-200);
  margin: 2.4em 0;
}

/* Blockquote — Light display style, large quote mark */
.article-prose blockquote {
  position: relative;
  margin: 2em 0;
  padding: 8px 0 8px 32px;
  border-left: 2px solid var(--color-arch-purple);
  font-family: var(--font-display);
  font-weight: var(--fw-light);
  font-size: 26px;
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--fg-primary);
  text-wrap: pretty;
}
.article-prose blockquote p { margin: 0; font-size: inherit; line-height: inherit; }
.article-prose blockquote cite {
  display: block;
  margin-top: 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-style: normal;
  color: var(--fg-tertiary);
}

/* Pull-quote (large standalone) */
.article-pullquote {
  margin: 2.4em 0;
  padding: 32px 0 32px;
  border-top: 1px solid var(--gray-200);
  border-bottom: 1px solid var(--gray-200);
  text-align: center;
}
.article-pullquote p {
  font-family: var(--font-display);
  font-weight: var(--fw-light);
  font-size: 32px;
  line-height: 1.25;
  letter-spacing: -0.015em;
  color: var(--fg-primary);
  margin: 0;
  text-wrap: balance;
}
.article-pullquote cite {
  display: block;
  margin-top: 18px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-style: normal;
  color: var(--fg-tertiary);
}

/* Callout — soft purple block, no left-border accent (off-brand) */
.article-callout {
  margin: 2em 0;
  padding: 24px 28px;
  background: var(--purple-50);
  border: 1px solid var(--purple-100);
  border-radius: var(--radius-lg);
}
.article-callout__eyebrow {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-arch-purple);
  margin: 0 0 8px;
}
.article-callout p {
  font-size: 15px;
  line-height: 1.6;
  color: var(--fg-primary);
  margin: 0;
}
.article-callout p + p { margin-top: 10px; }

/* Code block */
.article-prose pre {
  margin: 1.6em 0;
  padding: 20px 24px;
  background: var(--color-data-black);
  color: #E6E6F2;
  border-radius: var(--radius-md);
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.65;
  overflow-x: auto;
  white-space: pre;
}
.article-prose pre code {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
  background: none;
  padding: 0;
}
.article-prose code {
  font-family: var(--font-mono);
  font-size: 0.92em;
  background: var(--gray-100);
  color: var(--color-arch-purple);
  padding: 2px 6px;
  border-radius: 4px;
  border: 1px solid var(--gray-200);
}

/* Inline image figure */
.article-figure {
  margin: 2em 0;
}
.article-figure__media {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
}
.article-figure figcaption {
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--fg-tertiary);
}
.article-figure figcaption span { color: var(--gray-400); padding: 0 4px; }

/* Stat strip inside body (news-style) */
.article-stats {
  margin: 2em 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  border-top: 1px solid var(--gray-200);
  border-bottom: 1px solid var(--gray-200);
}
.article-stat {
  padding: 24px 20px;
  border-right: 1px solid var(--gray-200);
}
.article-stat:last-child { border-right: 0; }
.article-stat__value {
  font-family: var(--font-display);
  font-weight: var(--fw-light);
  font-size: 40px;
  line-height: 1.05;
  letter-spacing: -0.015em;
  color: var(--fg-primary);
  margin: 0 0 4px;
}
.article-stat__label {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--fg-tertiary);
  margin: 0;
}

/* ------------------------------------------------------------
   5. Side rail — share buttons (left), TOC (right)
   ------------------------------------------------------------ */
.article-share {
  grid-column: 1;
  align-self: start;
  position: sticky;
  top: 96px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding-top: 4px;
}
.article-share__label {
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--fg-tertiary);
  margin: 0 0 4px;
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  align-self: center;
  padding: 8px 0;
}
.article-share__btn {
  appearance: none;
  cursor: pointer;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-pill);
  background: var(--color-draft-white);
  border: 1px solid var(--gray-300);
  color: var(--fg-secondary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition:
    background var(--duration-fast) var(--ease-out),
    color var(--duration-fast) var(--ease-out),
    border-color var(--duration-fast) var(--ease-out);
  text-decoration: none;
}
.article-share__btn svg { width: 15px; height: 15px; }
.article-share__btn:hover {
  background: var(--purple-50);
  color: var(--color-arch-purple);
  border-color: var(--purple-200);
}
.article-share__btn:focus-visible {
  outline: none;
  box-shadow: var(--shadow-focus);
}

/* ------------------------------------------------------------
   6. Tags + footer of body
   ------------------------------------------------------------ */
.article-tags {
  margin-top: 2.4em;
  padding-top: 24px;
  border-top: 1px solid var(--gray-200);
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}
.article-tags__label {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--fg-tertiary);
  margin-right: 8px;
}
.article-tag {
  font-family: var(--font-sans);
  font-size: 12.5px;
  font-weight: var(--fw-medium);
  color: var(--fg-secondary);
  background: var(--gray-100);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-pill);
  padding: 6px 12px;
  text-decoration: none;
  transition:
    background var(--duration-fast) var(--ease-out),
    color var(--duration-fast) var(--ease-out);
}
.article-tag:hover {
  background: var(--purple-50);
  color: var(--color-arch-purple);
  border-color: var(--purple-200);
}

/* ------------------------------------------------------------
   7. Author bio card (end of article)
   ------------------------------------------------------------ */
.article-author {
  margin-top: 48px;
  padding: 28px;
  background: var(--gray-100);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr);
  gap: 20px;
  align-items: start;
}
.article-author__avatar {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-pill);
  background: linear-gradient(135deg, var(--color-arch-purple), var(--color-taro));
  color: var(--color-draft-white);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-sans);
  font-weight: var(--fw-semibold);
  font-size: 20px;
  letter-spacing: 0.02em;
  border: 1px solid var(--purple-200);
}
.article-author__avatar--mark {
  background: var(--color-data-black);
  border: 1px solid var(--color-data-black);
  padding: 12px;
}
.article-author__avatar--mark img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: contain;
}
.article-author__body { min-width: 0; }
.article-author__eyebrow {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--fg-tertiary);
  margin: 0 0 6px;
}
.article-author__name {
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: var(--fw-semibold);
  color: var(--fg-primary);
  margin: 0 0 2px;
}
.article-author__role {
  font-family: var(--font-sans);
  font-size: 13px;
  color: var(--fg-tertiary);
  margin: 0 0 12px;
}
.article-author__bio {
  font-size: 14px;
  line-height: 1.55;
  color: var(--fg-secondary);
  margin: 0;
}
.article-author__links {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-top: 14px;
}
.article-author__links a {
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: var(--fw-medium);
  color: var(--color-arch-purple);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.article-author__links a:hover { color: var(--purple-700); }
.article-author__links svg { width: 14px; height: 14px; }

/* Press contact (news flavor) */
.article-press {
  margin-top: 48px;
  padding: 28px 28px 24px;
  background: var(--color-draft-white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
}
.article-press__eyebrow {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-arch-purple);
  margin: 0 0 12px;
}
.article-press__title {
  font-family: var(--font-sans);
  font-weight: var(--fw-semibold);
  font-size: 16px;
  color: var(--fg-primary);
  margin: 0 0 12px;
}
.article-press__row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px 32px;
}
.article-press__field-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--fg-tertiary);
  margin: 0 0 4px;
}
.article-press__field-value {
  font-family: var(--font-sans);
  font-size: 14px;
  color: var(--fg-primary);
  margin: 0;
}
.article-press__field-value a {
  color: var(--color-arch-purple);
  text-decoration: none;
}
.article-press__field-value a:hover { text-decoration: underline; }

/* ------------------------------------------------------------
   8. Related strip
   ------------------------------------------------------------ */
.article-related {
  background: var(--bg-page);
  padding: 64px 0 80px;
  border-top: 1px solid var(--gray-200);
}
.article-related__inner {
  max-width: var(--site-width, 1300px);
  margin: 0 auto;
  padding: 0 32px;
}
.article-related__header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 32px;
}
.article-related__title {
  font-family: var(--font-display);
  font-weight: var(--fw-light);
  font-size: 32px;
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--fg-primary);
  margin: 0;
}
.article-related__more {
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: var(--fw-semibold);
  color: var(--color-arch-purple);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.article-related__more svg { width: 12px; height: 12px; transition: transform var(--duration-fast) var(--ease-out); }
.article-related__more:hover svg { transform: translateX(3px); }

/* ------------------------------------------------------------
   9. Responsive
   ------------------------------------------------------------ */
@media (max-width: 980px) {
  .article-body__inner {
    grid-template-columns: minmax(0, 1fr);
    padding: 0 28px;
  }
  .article-prose { grid-column: 1; }
  .article-share {
    display: none; /* hide side rail on tablet/mobile */
  }
  .article-header__title { font-size: 44px; }
  .article-header__inner { padding: 48px 28px 36px; }
}
@media (max-width: 640px) {
  .article-header__title { font-size: 32px; }
  .article-header__lede { font-size: 17px; }
  .article-body { padding: 48px 0 64px; }
  .article-prose { font-size: 16px; }
  .article-prose h2 { font-size: 26px; }
  .article-pullquote p { font-size: 24px; }
  .article-stats { grid-template-columns: minmax(0, 1fr); }
  .article-stat { border-right: 0; border-bottom: 1px solid var(--gray-200); }
  .article-stat:last-child { border-bottom: 0; }
  .article-author { grid-template-columns: minmax(0, 1fr); }
  .article-press__row { grid-template-columns: minmax(0, 1fr); }
}