/* ==========================================================================
   C-A — ARTICLE AND LISTING PAGES (blog.html, blog/*.html). Taken from the
   Future Tech Global in-depth pages; builds on style.css tokens and components;
   same motion rule: only transform / opacity animate. The live widget shell
   lives in widgets/live-widget-shell.css.
   ========================================================================== */

/* --------------------------------------------------------------------------
   Reading progress — one transform per scroll frame
   -------------------------------------------------------------------------- */
.page-progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 101;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), #FF9DB3);
  transform-origin: 0 50%;
  transform: scaleX(var(--progress, 0));
  pointer-events: none;
}

/* --------------------------------------------------------------------------
   Page hero
   -------------------------------------------------------------------------- */
.page-hero {
  position: relative;
  z-index: 1;
  padding: calc(var(--header-height) + clamp(40px, 5vw, 80px)) 0 clamp(40px, 5vw, 72px);
}

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 10px;
  margin-bottom: 28px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.04em;
  color: var(--text-4);
}

.breadcrumbs a { display: inline-flex; align-items: center; min-height: 24px; color: var(--text-3); transition: color var(--dur-1) var(--ease-hover); }
.breadcrumbs a:hover { color: var(--text-1); }
.breadcrumbs [aria-current="page"] { color: var(--text-1); }
.breadcrumbs .sep { color: var(--text-4); }

.page-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(32px, 4.5vw, 88px);
  align-items: center;
}

.page-hero-grid.is-single { grid-template-columns: minmax(0, 1fr); }

.page-title {
  font-size: clamp(2.1rem, 3.6vw, 3.6rem);
  font-weight: var(--fw-display);
  letter-spacing: -0.03em;
  line-height: 1.08;
  color: var(--text-1);
  margin-bottom: 20px;
  text-wrap: balance;
}

.page-lead {
  max-width: 620px;
  font-size: clamp(1rem, 1.15vw, 1.14rem);
  line-height: 1.65;
  color: var(--text-3);
  text-wrap: pretty;
  margin-bottom: 28px;
}

.page-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 0;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.04em;
  color: var(--text-4);
}

.page-meta span + span::before { content: '•'; margin: 0 10px; color: var(--line-3); }


/* Key figures under the hero */
.page-kpis {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-top: clamp(40px, 5vw, 72px);
}

.page-kpis .bento-card { grid-column: auto; }

/* --------------------------------------------------------------------------
   Body: article + sticky aside
   -------------------------------------------------------------------------- */
.page-body { position: relative; z-index: 1; padding-bottom: clamp(64px, 8vw, 120px); }

.page-body-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: clamp(40px, 5vw, 96px);
  align-items: start;
}

.prose { max-width: 740px; min-width: 0; }

.prose h2 {
  margin: 56px 0 16px;
  font-size: clamp(1.35rem, 1.7vw, 1.65rem);
  font-weight: var(--fw-display);
  letter-spacing: -0.02em;
  line-height: 1.25;
  color: var(--text-1);
  text-wrap: balance;
  scroll-margin-top: calc(var(--header-height) + 24px);
}

.prose h2:first-child, .prose-callout + h2 { margin-top: 40px; }

.prose h2 .h-index {
  display: inline-block;
  margin-right: 12px;
  font-family: var(--font-mono);
  font-size: 0.72em;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: 0;
}

.prose p { margin-bottom: 16px; font-size: 1rem; line-height: 1.78; color: var(--text-2); text-wrap: pretty; }
.prose strong { color: var(--text-1); font-weight: 600; }

/* Article list styles stop at embedded widgets, which draw their own lists */
.prose :is(ul, ol):not(.live-widget *) { display: flex; flex-direction: column; gap: 12px; margin: 4px 0 20px; }

.prose li:not(.live-widget *) {
  position: relative;
  padding-left: 26px;
  font-size: 0.98rem;
  line-height: 1.7;
  color: var(--text-2);
}

.prose ul:not(.live-widget *) > li::before {
  content: '';
  position: absolute;
  left: 6px;
  top: 0.72em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent-glow);
}

.prose ol:not(.live-widget *) { counter-reset: step; }
.prose ol:not(.live-widget *) > li { counter-increment: step; padding-left: 38px; }

.prose ol:not(.live-widget *) > li::before {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0.2em;
  display: grid;
  place-items: center;
  width: 26px;
  height: 22px;
  border-radius: 6px;
  border: 1px solid var(--accent-line);
  background: var(--accent-soft);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--accent);
}

/* Pull quote */
.prose-callout {
  position: relative;
  margin: 0 0 8px;
  padding: 24px 28px 24px 30px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line-1);
  background: linear-gradient(90deg, var(--accent-soft), rgba(255, 51, 102, 0) 70%), var(--surface-1);
}

.prose-callout::before {
  content: '';
  position: absolute;
  left: 0;
  top: 18px;
  bottom: 18px;
  width: 2px;
  border-radius: 2px;
  background: var(--accent);
}

.prose-callout p { margin: 0; font-size: clamp(1.02rem, 1.2vw, 1.14rem); line-height: 1.65; color: var(--text-1); }

.callout-label {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  color: var(--accent);
  text-transform: uppercase;
}

/* Specification list inside an article */
.spec-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 8px 0 24px;
  border-radius: var(--radius-md);
  border: 1px solid var(--line-1);
  background: var(--line-1);
  overflow: hidden;
}

.spec-list div { display: flex; flex-direction: column; gap: 4px; padding: 14px 16px; background: var(--surface-1); }
.spec-list dt { font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.06em; color: var(--text-4); text-transform: uppercase; }
.spec-list dd { font-size: 0.92rem; color: var(--text-1); font-variant-numeric: tabular-nums; }

/* Call to action at the end of an article */
.article-cta {
  position: relative;
  margin-top: 56px;
  padding: clamp(24px, 3vw, 36px);
  border-radius: var(--radius-xl);
  border: 1px solid var(--line-2);
  background: radial-gradient(120% 140% at 100% 0%, rgba(255, 51, 102, 0.12), transparent 60%), var(--surface-1);
  overflow: hidden;
  isolation: isolate;
}

.article-cta h3 { margin-bottom: 10px; font-size: clamp(1.25rem, 1.6vw, 1.5rem); font-weight: var(--fw-display); letter-spacing: -0.02em; text-wrap: balance; }
.article-cta p { max-width: 560px; margin-bottom: 22px; font-size: 0.95rem; line-height: 1.65; color: var(--text-3); }

/* Aside */
.page-aside {
  position: sticky;
  top: calc(var(--header-height) + 24px);
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.aside-card {
  padding: 20px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line-1);
  background: var(--surface-1);
}

.aside-title {
  margin-bottom: 12px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  color: var(--text-4);
  text-transform: uppercase;
}

/* Table of contents: the active marker glides with a transform */
.toc-list { position: relative; display: flex; flex-direction: column; padding-left: 14px; border-left: 1px solid var(--line-1); }

.toc-marker {
  position: absolute;
  left: -1px;
  top: 0;
  width: 2px;
  height: 1px;
  border-radius: 2px;
  background: var(--accent);
  transform-origin: 0 0;
  transform: translate3d(0, var(--toc-y, 0px), 0) scaleY(var(--toc-h, 0));
  transition: transform var(--dur-3) var(--ease-out);
}

.toc-list a {
  display: block;
  padding: 7px 0;
  font-size: 0.86rem;
  line-height: 1.45;
  color: var(--text-3);
  transition: color var(--dur-1) var(--ease-hover);
}

.toc-list a:hover, .toc-list a.is-active { color: var(--text-1); }

.aside-links { display: flex; flex-direction: column; }

.aside-links a {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 40px;
  padding: 6px 0;
  font-size: 0.88rem;
  color: var(--text-3);
  border-bottom: 1px solid var(--line-1);
  transition: color var(--dur-1) var(--ease-hover);
}

.aside-links li:last-child a { border-bottom: 0; }
.aside-links a:hover { color: var(--text-1); }
.aside-links a[aria-current="page"] { color: var(--text-1); }

.aside-links .code {
  flex-shrink: 0;
  display: grid;
  place-items: center;
  min-width: 26px;
  height: 20px;
  padding: 0 5px;
  border-radius: 5px;
  border: 1px solid var(--line-2);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text-4);
}

.aside-links a[aria-current="page"] .code { color: var(--accent); border-color: var(--accent-line); background: var(--accent-soft); }

.aside-cta { background: radial-gradient(120% 120% at 100% 0%, rgba(255, 51, 102, 0.1), transparent 60%), var(--surface-1); }
.aside-cta h3 { margin-bottom: 6px; font-size: 1rem; font-weight: 600; }
.aside-cta p { margin-bottom: 16px; font-size: 0.85rem; line-height: 1.6; color: var(--text-3); }
.aside-cta .btn { width: 100%; }

/* --------------------------------------------------------------------------
   Previous / next
   -------------------------------------------------------------------------- */
.page-pager {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 64px;
}

.pager-link {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 20px 22px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line-1);
  background: var(--surface-1);
  transition: border-color var(--dur-2) var(--ease-hover);
}

.pager-link:hover { border-color: var(--line-3); }
.pager-link.is-next { text-align: right; }
.pager-dir { font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.08em; color: var(--text-4); text-transform: uppercase; }
.pager-title { font-size: 1rem; font-weight: 500; color: var(--text-1); }
.pager-arrow { display: inline-block; transition: transform var(--dur-3) var(--ease-out); }
.pager-link:hover .pager-arrow { transform: translate3d(3px, 0, 0); }
.pager-link:not(.is-next):hover .pager-arrow { transform: translate3d(-3px, 0, 0); }

/* Buttons inside articles wrap on narrow screens instead of being clipped */
.article-cta .btn { max-width: 100%; height: auto; min-height: var(--btn-h); padding-top: 8px; padding-bottom: 8px; white-space: normal; text-align: center; }

/* --------------------------------------------------------------------------
   Responsive
   -------------------------------------------------------------------------- */
/* Touch screens: breadcrumb, contents and toggle targets reach ~36px */
@media (pointer: coarse), (max-width: 768px) {
  .breadcrumbs a { display: inline-flex; align-items: center; min-height: 36px; }
  .toc-list a { display: flex; align-items: center; min-height: 36px; }
}

@media (max-width: 1100px) {
  .page-hero-grid { grid-template-columns: minmax(0, 1fr); }
  .page-body-grid { grid-template-columns: minmax(0, 1fr); }
  .page-aside { position: static; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .page-aside .toc-card { display: none; }
  .prose { max-width: none; }
}

@media (max-width: 768px) {
  .page-kpis { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .page-aside { grid-template-columns: minmax(0, 1fr); }
  .spec-list { grid-template-columns: minmax(0, 1fr); }
  .page-pager { grid-template-columns: minmax(0, 1fr); }
}

@media (max-width: 480px) {
  .page-meta { flex-direction: column; gap: 4px; }
  .page-meta span + span::before { display: none; }
}