.page-shell {
  display: grid;
  gap: 22px;
}
.page-topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 18px 24px;
}
.page-topbar__brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  letter-spacing: -0.03em;
}
.page-topbar__brand img {
  width: 32px;
  height: 32px;
}
.page-topbar__nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.page-topbar__nav a {
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid rgba(146, 255, 205, 0.18);
  background: rgba(255,255,255,0.02);
  color: var(--muted);
}
.page-hero {
  padding: 34px;
}
.page-hero h1 {
  margin: 0;
  font-size: clamp(2.3rem, 4vw, 4.2rem);
  line-height: 0.98;
  letter-spacing: -0.04em;
}
.page-hero p {
  max-width: 760px;
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.7;
  margin: 18px 0 0;
}
.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 18px;
  color: rgba(238,243,247,0.65);
  font-size: 0.96rem;
}
.breadcrumbs a {
  color: var(--green-3);
}
.article-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}
.article-card {
  display: flex;
  flex-direction: column;
  min-height: 100%;
}
.article-card__thumb {
  aspect-ratio: 16 / 9;
  border-radius: 24px;
  overflow: hidden;
  border: 1px solid rgba(146,255,205,0.14);
  background: rgba(255,255,255,0.02);
}
.article-card__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.article-card__body {
  display: grid;
  gap: 14px;
  padding-top: 18px;
}
.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 14px;
  color: rgba(238,243,247,0.58);
  font-size: 0.92rem;
}
.article-card h2,
.article-card h3,
.article-post h1,
.article-section h2,
.related-card h3 {
  margin: 0;
  letter-spacing: -0.04em;
}
.article-card h2,
.article-card h3 {
  font-size: 1.35rem;
  line-height: 1.15;
}
.article-card p {
  color: var(--muted);
  line-height: 1.7;
  margin: 0;
}
.article-card .btn {
  margin-top: auto;
}
.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 20px;
  align-items: start;
}
.article-post,
.article-sidebar,
.article-related,
.cta-band {
  padding: 28px;
}
.article-post__cover {
  border-radius: 28px;
  overflow: hidden;
  margin: 22px 0 28px;
  border: 1px solid rgba(146,255,205,0.16);
}
.article-post__cover img {
  width: 100%;
  display: block;
}
.article-post p,
.article-post li,
.article-post ol,
.article-post ul {
  color: var(--muted);
  font-size: 1.02rem;
  line-height: 1.78;
}
.article-post strong {
  color: var(--text);
}
.article-post ul,
.article-post ol {
  padding-left: 1.25rem;
}
.article-section + .article-section {
  margin-top: 28px;
  padding-top: 28px;
  border-top: 1px solid rgba(255,255,255,0.06);
}
.article-section h2 {
  font-size: clamp(1.55rem, 2vw, 2rem);
  margin-bottom: 12px;
}
.sticky-box {
  position: sticky;
  top: 20px;
}
.sidebar-links,
.faq-list,
.related-grid {
  display: grid;
  gap: 12px;
}
.sidebar-links a,
.related-card {
  display: block;
  padding: 16px;
  border-radius: 22px;
  border: 1px solid rgba(255,255,255,0.06);
  background: rgba(255,255,255,0.02);
}
.sidebar-links small,
.related-card p,
.faq-item p {
  display: block;
  color: var(--muted);
  line-height: 1.6;
  margin: 6px 0 0;
}
.faq-item {
  padding: 18px;
  border-radius: 24px;
  border: 1px solid rgba(255,255,255,0.06);
  background: rgba(255,255,255,0.02);
}
.faq-item strong {
  display: block;
  margin-bottom: 8px;
  font-size: 1.05rem;
}
.cta-band {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: center;
}
.cta-band p {
  color: var(--muted);
  max-width: 700px;
  margin: 12px 0 0;
  line-height: 1.7;
}
.section-head {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: end;
  margin-bottom: 18px;
}
.section-head h2 { margin: 0; }
.section-head p { margin: 0; color: var(--muted); max-width: 700px; }
.site-footer--articles {
  width: min(1200px, calc(100% - 32px));
  margin: 0 auto 26px;
}
@media (max-width: 1100px) {
  .article-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .article-layout { grid-template-columns: 1fr; }
  .sticky-box { position: static; }
}
@media (max-width: 760px) {
  .wrapper { width: min(1200px, calc(100% - 20px)); margin: 20px auto 40px; }
  .page-topbar, .page-hero, .article-post, .article-sidebar, .article-related, .cta-band { padding: 20px; }
  .page-topbar { align-items: flex-start; flex-direction: column; }
  .article-grid { grid-template-columns: 1fr; }
  .cta-band { flex-direction: column; align-items: flex-start; }
}