.article-page {
  padding: 46px 0 84px;
}
.article-shell {
  max-width: 1120px;
}
.article-breadcrumbs {
  margin-bottom: 24px;
}
.article-header {
  display: grid;
  grid-template-columns: minmax(0, .95fr) minmax(420px, 1.05fr);
  gap: 44px;
  align-items: center;
  margin-bottom: 46px;
}
.article-header__copy h1 {
  margin: 12px 0 16px;
  max-width: 700px;
  font-size: clamp(2.5rem, 4.2vw, 4rem);
  line-height: 1.02;
}
.article-lead {
  max-width: 680px;
  margin: 0;
  color: var(--muted);
  font-size: 1.04rem;
  line-height: 1.72;
}
.article-meta {
  display: flex;
  gap: 9px;
  flex-wrap: wrap;
  margin-top: 20px;
  color: #819087;
  font-size: .76rem;
  font-weight: 700;
}
.article-hero {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 24px;
  background: #e8eeea;
  box-shadow: var(--shadow-md);
}
.article-hero img {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}
.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: 56px;
  align-items: start;
}
.article-content {
  min-width: 0;
}
.article-section {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 18px;
  padding: 26px 0;
  border-top: 1px solid var(--border);
}
.article-section:first-child {
  border-top: 0;
  padding-top: 0;
}
.article-step {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border-radius: 11px;
  background: var(--accent-pale);
  color: var(--accent);
  font-size: .72rem;
  font-weight: 900;
}
.article-section h2 {
  margin: 2px 0 8px;
  font-size: 1.26rem;
}
.article-section p {
  margin: 0;
  color: #516159;
  line-height: 1.72;
}
.article-example {
  display: grid;
  gap: 4px;
  margin-top: 14px;
  padding: 14px 16px;
  border: 1px solid #d7e7e1;
  border-radius: 13px;
  background: var(--accent-pale);
}
.article-example span {
  color: var(--accent);
  font-size: .7rem;
  font-weight: 850;
  text-transform: uppercase;
  letter-spacing: .1em;
}
.article-example strong {
  font-size: .95rem;
}
.article-section blockquote {
  margin: 14px 0 0;
  padding: 15px 17px;
  border-left: 3px solid var(--accent);
  border-radius: 0 13px 13px 0;
  background: #f1f6f3;
  color: #405149;
  font-size: .92rem;
  line-height: 1.65;
}
.article-inline-image {
  margin: 12px 0 18px 60px;
}
.article-inline-image img {
  width: 100%;
  height: auto;
  border-radius: 18px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}
.article-inline-image figcaption {
  margin-top: 8px;
  color: #7b8982;
  font-size: .74rem;
  line-height: 1.5;
}
.article-checklist {
  margin-top: 28px;
  padding: 24px;
  border: 1px solid #d7e7e1;
  border-radius: 18px;
  background: linear-gradient(135deg, #edf8f4 0%, #f8fbf9 100%);
}
.article-checklist h2 {
  margin: 7px 0 18px;
  font-size: 1.35rem;
}
.article-checklist ul,
.article-sidebar__card ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.article-checklist ul {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px 20px;
}
.article-checklist li,
.article-sidebar__card li {
  position: relative;
  padding-left: 24px;
}
.article-checklist li::before,
.article-sidebar__card li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--accent);
  font-weight: 900;
}
.article-checklist li {
  color: #405149;
  font-size: .86rem;
}
.article-sidebar {
  position: sticky;
  top: calc(var(--header-h) + 24px);
}
.article-sidebar__card {
  padding: 22px;
  border: 1px solid var(--border);
  border-radius: 20px;
  background: #fff;
  box-shadow: var(--shadow-sm);
}
.article-sidebar__card h2 {
  margin: 8px 0 8px;
  font-size: 1.36rem;
}
.article-sidebar__card p {
  margin: 0 0 16px;
  color: var(--muted);
  font-size: .84rem;
  line-height: 1.6;
}
.article-sidebar__card ul {
  display: grid;
  gap: 8px;
  margin-bottom: 20px;
  color: #4b5d54;
  font-size: .82rem;
}
.article-cta--mobile {
  display: none;
}

@media (max-width: 900px) {
  .article-header {
    grid-template-columns: 1fr;
    gap: 26px;
  }
  .article-header__copy h1 {
    max-width: 780px;
  }
  .article-hero {
    max-width: 760px;
  }
  .article-layout {
    grid-template-columns: 1fr;
    gap: 0;
  }
  .article-sidebar {
    display: none;
  }
  .article-cta--mobile {
    display: block;
    margin-top: 30px;
    padding: 24px;
    border-radius: 20px;
    background: linear-gradient(105deg,#08271f 0%,#07382d 56%,#075641 100%);
    color: #fff;
  }
  .article-cta--mobile h2 {
    margin: 8px 0 8px;
  }
  .article-cta--mobile p {
    max-width: 620px;
    margin: 0 0 18px;
    color: #dbe8e2;
    line-height: 1.65;
  }
}

@media (max-width: 640px) {
  .article-page {
    padding: 28px 0 58px;
  }
  .article-breadcrumbs {
    margin-bottom: 18px;
  }
  .article-header {
    margin-bottom: 30px;
  }
  .article-header__copy h1 {
    font-size: 2.35rem;
  }
  .article-lead {
    font-size: .96rem;
  }
  .article-hero {
    border-radius: 18px;
  }
  .article-section {
    grid-template-columns: 1fr;
    gap: 10px;
    padding: 22px 0;
  }
  .article-section h2 {
    font-size: 1.18rem;
  }
  .article-inline-image {
    margin: 8px 0 12px;
  }
  .article-inline-image img {
    border-radius: 15px;
  }
  .article-checklist {
    padding: 20px 18px;
  }
  .article-checklist ul {
    grid-template-columns: 1fr;
  }
}