.content-page {
  background: #050d11;
  color: #edf8fc;
}

.content-page main {
  min-height: 70vh;
}

.content-hero {
  padding: clamp(7rem, 12vw, 10rem) 0 clamp(3rem, 7vw, 5rem);
  border-bottom: 1px solid rgba(134, 214, 235, 0.16);
  background: linear-gradient(180deg, rgba(16, 74, 91, 0.32), rgba(5, 13, 17, 0));
}

.content-hero .wrap,
.article-layout {
  max-width: 1120px;
}

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-bottom: 1.25rem;
  color: #94b3bf;
  font-size: 0.875rem;
}

.breadcrumbs a {
  color: #7ddff7;
}

.content-hero h1 {
  max-width: 850px;
  margin: 0;
  font-size: clamp(2.35rem, 5vw, 4.4rem);
  line-height: 1.04;
  letter-spacing: 0;
}

.content-hero .lead {
  max-width: 760px;
  margin-top: 1.35rem;
}

.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 270px;
  gap: clamp(2rem, 6vw, 5rem);
  padding-top: clamp(2.5rem, 6vw, 5rem);
  padding-bottom: clamp(4rem, 8vw, 7rem);
}

.article-body {
  min-width: 0;
}

.article-body h2 {
  margin: 3rem 0 1rem;
  font-size: clamp(1.6rem, 3vw, 2.25rem);
  letter-spacing: 0;
}

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

.article-body h3 {
  margin: 2rem 0 0.75rem;
  font-size: 1.2rem;
  letter-spacing: 0;
}

.article-body p,
.article-body li {
  color: #b9d1da;
  font-size: 1.03rem;
  line-height: 1.75;
}

.article-body ul,
.article-body ol {
  padding-left: 1.3rem;
}

.article-body a {
  color: #63dcfa;
  text-decoration: underline;
  text-underline-offset: 0.2em;
}

.fact-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.8rem;
  margin: 1.5rem 0 2.5rem;
}

.fact {
  padding: 1rem;
  border: 1px solid rgba(134, 214, 235, 0.18);
  border-radius: 6px;
  background: #0a1a20;
}

.fact span,
.fact strong {
  display: block;
}

.fact span {
  margin-bottom: 0.35rem;
  color: #86a9b6;
  font-size: 0.78rem;
  text-transform: uppercase;
}

.fact strong {
  color: #f1fbfe;
}

.notice {
  margin: 2rem 0;
  padding: 1.2rem 1.3rem;
  border-left: 3px solid #43d6f6;
  background: #0a1a20;
  color: #cce3ea;
}

.article-nav {
  position: sticky;
  top: 6rem;
  align-self: start;
  padding: 1.1rem;
  border: 1px solid rgba(134, 214, 235, 0.16);
  border-radius: 6px;
  background: rgba(8, 24, 30, 0.92);
}

.article-nav strong,
.article-nav a {
  display: block;
}

.article-nav strong {
  margin-bottom: 0.75rem;
}

.article-nav a {
  padding: 0.5rem 0;
  color: #a8c8d3;
  font-size: 0.9rem;
}

.article-cta {
  margin-top: 3rem;
  padding: clamp(1.4rem, 4vw, 2.3rem);
  border: 1px solid rgba(67, 214, 246, 0.35);
  border-radius: 6px;
  background: #0a2028;
}

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

.guide-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  padding-top: clamp(2.5rem, 6vw, 5rem);
  padding-bottom: clamp(4rem, 8vw, 7rem);
}

.guide-card {
  display: block;
  min-height: 190px;
  padding: clamp(1.25rem, 3vw, 2rem);
  border: 1px solid rgba(134, 214, 235, 0.18);
  border-radius: 6px;
  background: #0a1a20;
  color: inherit;
  text-decoration: none;
}

.guide-card:hover {
  border-color: rgba(99, 220, 250, 0.68);
  background: #0c222a;
}

.guide-card span {
  color: #7ddff7;
  font-size: 0.78rem;
  text-transform: uppercase;
}

.guide-card h2 {
  margin: 0.65rem 0;
  font-size: 1.4rem;
  letter-spacing: 0;
}

.guide-card p {
  margin: 0;
  color: #b9d1da;
  line-height: 1.55;
}

@media (max-width: 820px) {
  .article-layout {
    grid-template-columns: 1fr;
  }

  .article-nav {
    position: static;
    order: -1;
  }
}

@media (max-width: 560px) {
  .content-hero {
    padding-top: 6.5rem;
  }

  .fact-grid {
    grid-template-columns: 1fr;
  }

  .guide-grid {
    grid-template-columns: 1fr;
  }

  .article-body p,
  .article-body li {
    font-size: 1rem;
  }
}