/* ===== article page ===== */
.art-hero { position: relative; padding: 56px 0 40px; overflow: hidden; }
.art-hero::before { content: ""; position: absolute; inset: 0; background: var(--glow); }
.art-hero .wrap { position: relative; max-width: 860px; }
.art-hero h1 { font-size: clamp(30px, 4.4vw, 52px); text-transform: none; letter-spacing: -.015em; }
.art-meta { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; margin-top: 22px; font-family: var(--font-mono); font-size: 12px; color: var(--text-3); }
.art-meta .who { display: flex; align-items: center; gap: 10px; color: var(--text-2); }
.art-meta .who .av {
  width: 32px; height: 32px; border-radius: 50%; background: var(--grad-copper);
  display: grid; place-items: center; color: #fff; font-weight: 900; font-size: 12px;
}
.art-wrap { max-width: 760px; margin: 0 auto; padding: 40px 24px 20px; position: relative; z-index: 2; }
.art-wrap > p { font-size: 17px; line-height: 1.75; color: var(--text-2); margin-bottom: 22px; }
.art-wrap > p strong { color: var(--text); }
.art-wrap .intro { font-size: 19.5px; color: var(--text); font-weight: 500; }
.art-wrap h2 { font-size: clamp(22px, 3vw, 28px); margin: 40px 0 16px; }
blockquote {
  border-left: 3px solid; border-image: var(--grad-copper) 1; padding: 6px 0 6px 24px; margin: 30px 0;
  font-size: 21px; line-height: 1.5; font-weight: 600; font-style: italic;
}
blockquote cite { display: block; font-family: var(--font-mono); font-size: 12px; color: var(--text-3); font-style: normal; margin-top: 10px; }

/* embedded operator card */
.op-embed {
  display: grid; grid-template-columns: auto 1fr auto; gap: 18px; align-items: center;
  background: var(--card); border: 1.5px solid color-mix(in srgb, var(--copper-500) 45%, var(--line));
  border-radius: 18px; padding: 20px 22px; margin: 34px 0; box-shadow: var(--shadow);
}
@media (max-width: 640px) { .op-embed { grid-template-columns: 1fr; text-align: center; } .op-embed .who2 { justify-content: center; } }
.op-embed .who2 { display: flex; align-items: center; gap: 14px; }
.op-embed .mini {
  width: 48px; height: 48px; border-radius: 13px; background: var(--grad-blue);
  display: grid; place-items: center; color: #fff; font-weight: 900; font-size: 17px;
  font-variation-settings: "wdth" 125;
}
.op-embed b { display: block; font-size: 16px; }
.op-embed small { font-family: var(--font-mono); font-size: 11px; color: var(--accent); }
.op-embed .mid { font-size: 13.5px; color: var(--text-2); }

/* sources box */
.sources {
  background: var(--bg-2); border: 1px solid var(--line); border-radius: 16px;
  padding: 20px 24px; margin: 36px 0; font-size: 13px;
}
.sources h4 { font-family: var(--font-mono); font-size: 11px; letter-spacing: .12em; text-transform: uppercase; color: var(--text-3); margin-bottom: 12px; }
.sources a { display: block; padding: 5px 0; color: var(--chip-text); }
.sources a:hover { color: var(--accent); }
.tag-row { display: flex; gap: 8px; flex-wrap: wrap; margin: 26px 0 8px; }

/* related */
.related { padding: 40px 0 70px; }
.related .wrap2 { max-width: 1180px; margin: 0 auto; padding: 0 24px; }