.skip-link {
  position: fixed;
  z-index: 100;
  top: 8px;
  left: 8px;
  transform: translateY(-150%);
  padding: 10px 14px;
  border-radius: 10px;
  color: #001015;
  background: var(--cyan);
  font-weight: 800;
}

.skip-link:focus { transform: translateY(0); }

.blog-section-heading {
  display: grid;
  grid-template-columns: .95fr 1.05fr;
  gap: 38px;
  align-items: end;
  margin-bottom: 34px;
}

.blog-section-heading h2 {
  margin: 12px 0 0;
  font-size: clamp(2.1rem, 4.5vw, 4.3rem);
  line-height: .96;
  letter-spacing: -.05em;
}

.blog-section-heading > p {
  max-width: 570px;
  justify-self: end;
  color: var(--muted);
}

.featured-post {
  position: relative;
  overflow: hidden;
  min-height: 440px;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(260px, .85fr);
  gap: clamp(32px, 6vw, 78px);
  align-items: end;
  padding: clamp(28px, 5vw, 60px);
  border: 1px solid var(--line);
  border-radius: 22px;
  background: linear-gradient(145deg, var(--panel2, var(--panel-2)), rgba(7, 12, 22, .75));
  transition: transform .2s, border-color .2s;
}

.featured-post:hover {
  transform: translateY(-3px);
  border-color: rgba(32, 231, 255, .44);
}

.featured-post::before {
  content: "AQ";
  position: absolute;
  top: -48px;
  right: -22px;
  color: rgba(32, 231, 255, .045);
  font-size: clamp(13rem, 28vw, 25rem);
  font-weight: 950;
  line-height: 1;
  letter-spacing: -.12em;
  pointer-events: none;
}

.featured-post > * { position: relative; z-index: 1; }

.featured-post h2 {
  max-width: 760px;
  margin: 18px 0 0;
  font-size: clamp(2.4rem, 5.3vw, 5.3rem);
  line-height: .96;
  letter-spacing: -.055em;
}

.featured-copy p { color: #b8c4d0; font-size: 1.03rem; }
.featured-copy .open-row { margin-top: 30px; }

.topic-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
}

.topic-strip span {
  padding: 6px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: #9fb0c1;
  font-size: .66rem;
  letter-spacing: .06em;
  text-transform: uppercase;
}

.blog-current-grid { margin-top: 16px; }
.blog-post-card h3 { margin-top: 28px; }
.blog-archive-cta { margin-top: 18px; }

.blog-empty {
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: var(--panel);
}

.blog-empty strong,
.blog-empty span { display: block; }
.blog-empty span { margin-top: 7px; color: var(--muted); }

.blog-archive-year + .blog-archive-year { margin-top: 54px; }
.blog-archive-year > h2 {
  margin: 0 0 20px;
  color: var(--cyan);
  font-size: clamp(2rem, 4vw, 3.5rem);
}

.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 250px;
  gap: clamp(44px, 7vw, 90px);
  align-items: start;
}

.article-body { max-width: var(--reading, 760px); }
.article-body > p,
.article-body li { color: #c0ccd7; font-size: clamp(1rem, 1.25vw, 1.08rem); }
.article-body > p:first-of-type { color: #eff8ff; font-size: clamp(1.15rem, 1.8vw, 1.32rem); line-height: 1.58; }
.article-body h2 { margin: 72px 0 24px; font-size: clamp(2.2rem, 4.2vw, 3.9rem); line-height: .98; letter-spacing: -.045em; }
.article-body h3 { margin: 42px 0 12px; font-size: clamp(1.35rem, 2.1vw, 1.75rem); line-height: 1.18; }
.article-body strong { color: #fff; }
.article-body em { color: #dfe9f3; }

.reading-aside {
  position: sticky;
  top: 105px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--panel);
}

.reading-aside strong,
.reading-aside span { display: block; }
.reading-aside span { margin-top: 8px; color: var(--muted); font-size: .78rem; }
.reading-aside nav { display: grid; gap: 7px; margin-top: 22px; }
.reading-aside a { padding: 7px 0; border-top: 1px solid rgba(255, 255, 255, .07); color: #b9c7d5; font-size: .76rem; }
.reading-aside a:hover { color: var(--cyan); }

.prompt-compare { display: grid; gap: 12px; margin: 30px 0 10px; }
.prompt-example { padding: 22px; border: 1px solid var(--line); border-radius: 18px; background: rgba(255, 255, 255, .025); }
.prompt-example.good { border-color: rgba(32, 231, 255, .34); background: linear-gradient(135deg, rgba(32, 231, 255, .075), rgba(22, 140, 255, .035)); }
.prompt-label { display: block; margin-bottom: 12px; color: var(--cyan); font-size: .68rem; font-weight: 850; letter-spacing: .12em; text-transform: uppercase; }
.prompt-example blockquote { margin: 0; color: #ecf7ff; font-size: 1.03rem; }
.prompt-result { margin: 14px 0 0; color: var(--muted); font-size: .9rem; }

.aqua-formula {
  margin-top: 32px;
  padding: clamp(24px, 4vw, 38px);
  border: 1px solid rgba(216, 60, 255, .25);
  border-radius: 24px;
  background: radial-gradient(circle at 92% 8%, rgba(216, 60, 255, .15), transparent 36%), linear-gradient(145deg, rgba(13, 22, 38, .96), rgba(7, 12, 22, .82));
}

.aqua-word { display: flex; gap: 6px; margin-bottom: 18px; }
.aqua-word span { width: 46px; aspect-ratio: 1; display: grid; place-items: center; border: 1px solid rgba(32, 231, 255, .28); border-radius: 12px; color: var(--cyan); background: rgba(32, 231, 255, .06); font-size: 1.35rem; font-weight: 900; }

.sales-cta {
  position: relative;
  overflow: hidden;
  margin-top: 70px;
  padding: clamp(28px, 5vw, 54px);
  border: 1px solid rgba(32, 231, 255, .32);
  border-radius: 28px;
  background: radial-gradient(circle at 92% 0%, rgba(216, 60, 255, .18), transparent 40%), linear-gradient(135deg, rgba(32, 231, 255, .09), rgba(13, 22, 38, .94) 44%, rgba(216, 60, 255, .06));
  box-shadow: var(--shadow);
}

.sales-cta h2 { max-width: 720px; margin: 14px 0 18px; font-size: clamp(2rem, 4.3vw, 4rem); }
.sales-cta p { max-width: 680px; }
.price-line { display: flex; align-items: baseline; gap: 13px; margin: 28px 0; }
.price-line strong { color: #fff; font-size: clamp(2rem, 4vw, 3.4rem); line-height: 1; }
.price-line del { color: #7f90a4; }

@media (max-width: 900px) {
  .blog-section-heading,
  .featured-post,
  .article-layout { grid-template-columns: 1fr; }
  .blog-section-heading > p { justify-self: start; }
  .featured-post { min-height: 0; }
  .reading-aside { position: static; order: -1; }
}

@media (max-width: 700px) {
  .featured-post h2 { font-size: clamp(2.25rem, 11vw, 3.6rem); }
  .article-body h2 { margin-top: 58px; }
  .aqua-word span { width: 40px; }
}