.challenge-repro{border-bottom:1px solid var(--line);grid-template-columns:minmax(280px,.72fr) minmax(0,1.28fr);gap:70px;padding:24px clamp(24px,5vw,88px) 86px;display:grid}.challenge-repro>div{min-width:0}.challenge-repro>div:first-child>span{color:var(--cyan);font:650 9px var(--font-mono);letter-spacing:.1em}.challenge-repro h2{letter-spacing:-.05em;margin:20px 0;font-size:clamp(30px,3.3vw,48px);line-height:1.1}.challenge-repro>div:first-child>p{color:var(--muted);font-size:13px;line-height:1.7}.challenge-repro-links{flex-wrap:wrap;gap:8px;margin-top:24px;display:flex}.challenge-repro-links a{border:1px solid var(--line);max-width:100%;color:var(--cyan);font:650 7px var(--font-mono);overflow-wrap:anywhere;border-radius:999px;padding:9px 11px}.challenge-repro pre{background:var(--ink);color:var(--green);font:9px/1.7 var(--font-mono);border-radius:16px;margin:0 0 12px;padding:22px;overflow:auto}.challenge-repro>div:last-child>p{border:1px solid var(--line);border-radius:9px;grid-template-columns:96px minmax(0,1fr);gap:12px;margin:7px 0 0;padding:10px 12px;display:grid}.challenge-repro>div:last-child b{color:var(--muted);font:650 7px var(--font-mono)}.challenge-repro>div:last-child code{overflow-wrap:anywhere;color:var(--ink-soft);font:8px var(--font-mono)}.repro-grid{border-bottom:1px solid var(--line);grid-template-columns:repeat(3,1fr);gap:16px;padding:20px clamp(24px,5vw,88px) 100px;display:grid}.repro-grid article{background:var(--paper-raised);border-radius:16px;flex-direction:column;min-height:360px;padding:30px;display:flex;box-shadow:0 16px 48px #1822220f}.repro-grid article>span,.boundary>span{color:var(--cyan);font:600 9px var(--font-mono);letter-spacing:.1em}.repro-grid h2{letter-spacing:-.04em;margin:28px 0 22px;font-size:30px}.repro-grid pre{background:var(--ink);border-radius:12px;margin:0;padding:20px;overflow:auto}.repro-grid code{color:var(--green);font:10px var(--font-mono)}.repro-grid p{color:var(--muted);margin:auto 0 0;font-size:14px;line-height:1.7}.boundary{padding:100px clamp(24px,5vw,88px)}.boundary h2{letter-spacing:-.055em;max-width:850px;margin:18px 0 48px;font-size:clamp(36px,4.2vw,62px);font-weight:560}.boundary>div{grid-template-columns:repeat(3,1fr);gap:12px;display:grid}.boundary p{border:1px solid var(--line);color:var(--ink-soft);overflow-wrap:anywhere;border-radius:12px;margin:0;padding:20px;font-size:13px}.boundary a{color:var(--cyan);font-weight:650}.boundary code{color:var(--ink-soft);font:9px/1.6 var(--font-mono)}@media (width<=900px){.challenge-repro{grid-template-columns:1fr;gap:34px}.repro-grid{grid-template-columns:1fr}.repro-grid article{min-height:270px}.boundary>div{grid-template-columns:1fr 1fr}}@media (width<=580px){.challenge-repro{padding:20px 22px 64px}.repro-grid{padding:16px 22px 72px}.boundary{padding:72px 22px}.boundary>div{grid-template-columns:1fr}}