.ai-page .ai-layout {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 230px minmax(0, 1fr);
  gap: 2rem;
  padding: 1.6rem 4vw 3rem;
  align-items: start;
}

.ai-toc {
  position: sticky;
  top: 84px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(12, 17, 25, 0.92);
  padding: 1rem;
}

.toc-kicker {
  margin: 0 0 0.7rem;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  color: var(--accent-2);
}

.ai-toc ol {
  margin: 0;
  padding-left: 1.1rem;
  display: grid;
  gap: 0.45rem;
  color: var(--muted);
  font-size: 0.88rem;
}

.ai-toc a {
  color: var(--muted);
  text-decoration: none;
}
.ai-toc a:hover { color: var(--text); }

.ai-article {
  max-width: 820px;
}

.ai-hero {
  margin-bottom: 2rem;
  padding-bottom: 1.4rem;
  border-bottom: 1px solid var(--line);
}

.ai-kicker {
  margin: 0;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--accent);
}

.ai-hero h1 {
  margin: 0.35rem 0 0.7rem;
  font-family: var(--display);
  font-size: clamp(2rem, 4vw, 3rem);
}

.ai-lead {
  margin: 0;
  color: #c7d2df;
  font-size: 1.05rem;
}

.ai-article section {
  margin: 2.2rem 0;
  scroll-margin-top: 90px;
}

.ai-article h2 {
  margin: 0 0 0.9rem;
  font-family: var(--display);
  font-size: 1.55rem;
}

.ai-article h3 {
  margin: 1.2rem 0 0.45rem;
  font-size: 1.08rem;
}

.ai-article p,
.ai-article li,
.ai-article dd {
  color: #c5d0de;
  line-height: 1.7;
}

.ai-article ul,
.ai-article ol {
  padding-left: 1.2rem;
}

.callout {
  margin: 1rem 0;
  padding: 0.95rem 1rem;
  border-left: 3px solid var(--accent);
  background: rgba(126, 182, 255, 0.08);
  border-radius: 0 12px 12px 0;
  color: #d7e2ef;
}

.callout.final {
  border-left-color: var(--accent-2);
  background: rgba(232, 163, 92, 0.1);
}

.term-list {
  display: grid;
  gap: 0.75rem;
  margin: 0;
}

.term-list > div {
  border-top: 1px solid var(--line);
  padding-top: 0.7rem;
}

.term-list dt {
  font-family: var(--mono);
  color: var(--accent);
  font-size: 0.86rem;
  margin-bottom: 0.2rem;
}

.term-list dd { margin: 0; }

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

.card-grid article {
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 0.95rem;
  background: rgba(10, 15, 22, 0.85);
}

.card-grid h3 {
  margin: 0 0 0.4rem;
  color: #fff;
}

.card-grid p {
  margin: 0;
  font-size: 0.92rem;
}

.model-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 14px;
}

.ai-article table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.ai-article th,
.ai-article td {
  padding: 0.7rem 0.8rem;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.ai-article th {
  background: rgba(126, 182, 255, 0.08);
  color: #fff;
  font-family: var(--mono);
  font-size: 0.78rem;
}

.ai-article pre {
  background: #0a0f16;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0.9rem 1rem;
  overflow-x: auto;
}

.ai-article code {
  font-family: var(--mono);
  font-size: 0.86em;
}

.groq-cta {
  border: 1px solid rgba(232, 163, 92, 0.35);
  border-radius: var(--radius);
  padding: 1.2rem 1.25rem;
  background: linear-gradient(140deg, rgba(232, 163, 92, 0.1), rgba(126, 182, 255, 0.05));
}

.checklist {
  display: grid;
  gap: 0.45rem;
}

.note {
  font-size: 0.92rem;
  color: #ffd2d2 !important;
}

.ai-end {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 2rem;
  padding-top: 1.2rem;
  border-top: 1px solid var(--line);
}

@media (max-width: 960px) {
  .ai-page .ai-layout {
    grid-template-columns: 1fr;
  }
  .ai-toc {
    position: static;
  }
  .card-grid {
    grid-template-columns: 1fr;
  }
  .ai-page .topbar,
  .ai-hero,
  .ai-layout,
  .footer {
    padding-left: 4.5vw;
    padding-right: 4.5vw;
  }
  .model-table-wrap { overflow-x: auto; }
}