.article-page {
  background: var(--navy-900);
  color: var(--white-soft);
}

.article-main {
  min-height: 100vh;
  padding-top: var(--header-height);
}

.article-hero {
  border-bottom: 1px solid rgba(248, 250, 252, 0.08);
}

.article-hero-inner,
.article-layout,
.article-related-inner {
  width: 100%;
  max-width: var(--content-width);
  margin-inline: auto;
  padding-right: max(var(--page-gutter), env(safe-area-inset-right));
  padding-left: max(var(--page-gutter), env(safe-area-inset-left));
}

.article-hero-inner {
  padding-top: clamp(4.5rem, 9vw, 7rem);
  padding-bottom: clamp(3.5rem, 7vw, 5.5rem);
}

.article-back {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  margin-bottom: clamp(2rem, 5vw, 3rem);
  color: rgba(248, 250, 252, 0.66);
  font-size: 0.78rem;
  font-weight: 750;
  text-decoration: none;
}

.article-back:hover,
.article-back:focus-visible {
  color: var(--white-soft);
}

.article-kicker {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--petrol-600);
  font-size: 0.72rem;
  font-weight: 850;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.article-kicker::before {
  content: "01";
}

.article-kicker::after {
  content: "";
  width: 1.2rem;
  height: 1px;
  order: -1;
  display: none;
}

.article-title {
  max-width: 12ch;
  margin: 1.25rem 0 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2.55rem, 7vw, 5.2rem);
  line-height: 0.98;
  letter-spacing: -0.045em;
  text-wrap: balance;
}

.article-deck {
  max-width: 48rem;
  margin: clamp(1.5rem, 4vw, 2rem) 0 0;
  color: rgba(248, 250, 252, 0.72);
  font-size: clamp(1.02rem, 2.4vw, 1.2rem);
  line-height: 1.7;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
  margin-top: 1.5rem;
  color: rgba(248, 250, 252, 0.48);
  font-size: 0.76rem;
}

.article-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(3rem, 7vw, 5rem);
  padding-top: clamp(3.5rem, 7vw, 5.5rem);
  padding-bottom: clamp(5rem, 9vw, 7.5rem);
}

.article-body {
  max-width: 48rem;
}

.article-body h2 {
  margin: clamp(2.6rem, 6vw, 4rem) 0 1rem;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.7rem, 4vw, 2.45rem);
  line-height: 1.06;
  letter-spacing: -0.025em;
}

.article-body h2:first-child {
  margin-top: 0;
}

.article-body h3 {
  margin: 2rem 0 0.7rem;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.25rem, 3vw, 1.55rem);
}

.article-body p,
.article-body li {
  color: rgba(248, 250, 252, 0.76);
  font-size: clamp(0.98rem, 2vw, 1.06rem);
  line-height: 1.82;
}

.article-body p {
  margin: 0 0 1.1rem;
}

.article-body ul,
.article-body ol {
  margin: 1rem 0 1.5rem;
  padding-left: 1.3rem;
}

.article-body li + li {
  margin-top: 0.55rem;
}

.article-checklist {
  display: grid;
  gap: 0.75rem;
  margin: 1.5rem 0 2rem;
  padding: 0;
  list-style: none;
}

.article-checklist li {
  position: relative;
  padding: 0.95rem 1rem 0.95rem 2.75rem;
  border: 1px solid rgba(248, 250, 252, 0.1);
  border-left: 0.2rem solid var(--petrol-600);
  border-radius: 0.55rem;
  background: rgba(11, 20, 35, 0.66);
}

.article-checklist li::before {
  content: "✓";
  position: absolute;
  left: 1rem;
  top: 0.95rem;
  color: #8ed3ca;
  font-weight: 850;
}

.article-callout {
  margin: 2rem 0;
  padding: 1.25rem 1.35rem;
  border: 1px solid rgba(29, 123, 114, 0.35);
  border-radius: 0.65rem;
  background: rgba(23, 107, 99, 0.09);
}

.article-callout strong {
  display: block;
  margin-bottom: 0.4rem;
  color: var(--white-soft);
}

.article-callout p {
  margin: 0;
  color: rgba(248, 250, 252, 0.72);
  font-size: 0.94rem;
}

.article-sources {
  margin-top: 3.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(248, 250, 252, 0.12);
}

.article-sources h2 {
  margin-top: 0;
}

.article-sources a {
  color: #8ed3ca;
  text-underline-offset: 0.18em;
}

.article-sidebar {
  align-self: start;
}

.article-sidebar-card {
  padding: 1.3rem;
  border: 1px solid rgba(248, 250, 252, 0.11);
  border-radius: 0.65rem;
  background: rgba(11, 20, 35, 0.7);
}

.article-sidebar-card + .article-sidebar-card {
  margin-top: 1rem;
}

.article-sidebar-label {
  margin: 0 0 0.8rem;
  color: var(--petrol-600);
  font-size: 0.68rem;
  font-weight: 850;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.article-sidebar-card h2 {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.35rem;
  line-height: 1.1;
}

.article-sidebar-card p,
.article-sidebar-card a {
  color: rgba(248, 250, 252, 0.66);
  font-size: 0.85rem;
  line-height: 1.55;
}

.article-sidebar-nav {
  display: grid;
  gap: 0.65rem;
  margin-top: 1rem;
}

.article-sidebar-nav a {
  padding-top: 0.65rem;
  border-top: 1px solid rgba(248, 250, 252, 0.09);
  text-decoration: none;
}

.article-sidebar-nav a:hover,
.article-sidebar-nav a:focus-visible {
  color: var(--white-soft);
}

.article-sidebar-card .button {
  width: 100%;
  margin-top: 1rem;
}

.article-disclaimer {
  margin-top: 2rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(248, 250, 252, 0.1);
  color: rgba(248, 250, 252, 0.5);
  font-size: 0.78rem;
  line-height: 1.6;
}

@media (min-width: 64rem) {
  .article-layout {
    grid-template-columns: minmax(0, 1fr) minmax(16rem, 20rem);
    align-items: start;
  }

  .article-sidebar {
    position: sticky;
    top: calc(var(--header-height) + 1.5rem);
  }
}

@media (max-width: 57.99rem) {
  .article-main {
    padding-bottom: calc(var(--mobile-nav-height) + env(safe-area-inset-bottom));
  }

  .article-hero-inner {
    padding-top: 3rem;
  }

  .article-title {
    max-width: 14ch;
  }
}

@media (max-width: 57.99rem) and (orientation: landscape) and (max-height: 36rem) {
  .article-hero-inner {
    padding-top: 2rem;
    padding-bottom: 2rem;
  }

  .article-back {
    margin-bottom: 1rem;
  }

  .article-title {
    max-width: 20ch;
    font-size: clamp(2rem, 5vw, 3rem);
  }

  .article-deck {
    margin-top: 0.9rem;
    font-size: 0.88rem;
    line-height: 1.5;
  }

  .article-layout {
    padding-top: 2.5rem;
    padding-bottom: calc(var(--mobile-nav-height) + 2.5rem + env(safe-area-inset-bottom));
  }
}