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@media(max-width:900px){.archive-filters{grid-template-columns:1fr 1fr}.topic-layout{grid-template-columns:1fr}.idea-strip{grid-template-columns:1fr 1fr}.article-layout{grid-template-columns:1fr}.article-tools{border-bottom:1px solid var(--os-border);flex-direction:row;position:static;padding-bottom:1rem}.article-tools p{margin-right:auto}}
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/* Rebuilt Systems & Society publication hub */
.systems-landing--rebuilt{background:#fff}.systems-hero--editorial{min-height:590px;padding-block:clamp(4rem,7vw,6.5rem)}.systems-hero--editorial .systems-hero__grid{align-items:center;grid-template-columns:minmax(0,1.15fr) minmax(320px,.85fr);gap:clamp(3rem,8vw,8rem)}.systems-hero__copy h1{font-size:clamp(3.6rem,7vw,7.25rem);line-height:.9;letter-spacing:-.045em;max-width:8ch}.systems-hero__lead{max-width:700px!important;margin-top:1.5rem;color:rgba(255,255,255,.82);font-size:clamp(1.18rem,2vw,1.55rem)!important;line-height:1.5!important}.systems-hero__actions{align-items:center;display:flex;flex-wrap:wrap;gap:1rem 1.5rem;margin-top:2rem}.systems-hero__actions .os-button{background:var(--os-gold);border-color:var(--os-gold);color:var(--os-navy)}.systems-hero__text-link{color:#fff;font-size:.72rem;font-weight:750;letter-spacing:.07em;text-decoration:none;text-transform:uppercase}.systems-hero__brief{border-left:1px solid rgba(255,255,255,.26);padding:1.5rem 0 1.5rem clamp(1.5rem,4vw,3rem)}.systems-hero__brief>p:not(.eyebrow){color:#fff;font-family:var(--os-serif);font-size:clamp(1.25rem,2.3vw,1.75rem);line-height:1.55}.systems-hero__topics{display:flex;flex-wrap:wrap;gap:.55rem;margin-top:1.5rem}.systems-hero__topics span{border:1px solid rgba(255,255,255,.28);border-radius:999px;color:rgba(255,255,255,.8);font-size:.62rem;font-weight:700;letter-spacing:.08em;padding:.45rem .7rem;text-transform:uppercase}
.systems-questions,.systems-topics,.systems-ideas,.systems-book-bridge,.systems-final-cta,.systems-archive-note{padding-block:clamp(3.75rem,6vw,6rem)}.systems-section-intro{align-items:end;display:grid;gap:clamp(2rem,6vw,6rem);grid-template-columns:1.1fr .9fr;margin-bottom:clamp(2.5rem,5vw,4rem)}.systems-section-intro h2{margin-top:.55rem;max-width:15ch;font-size:clamp(2.4rem,4.5vw,4.75rem);line-height:1}.systems-section-intro>p{max-width:620px;color:var(--os-muted);font-size:1rem;line-height:1.75}.systems-question-grid{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--os-border);border-bottom:1px solid var(--os-border)}.systems-question-grid article{min-height:280px;padding:2rem clamp(1.5rem,3vw,2.5rem);border-left:1px solid var(--os-border)}.systems-question-grid article:first-child{border-left:0}.systems-question-grid span,.systems-topic-grid span,.systems-idea-grid>a>span{color:var(--os-gold);font-size:.66rem;font-weight:800;letter-spacing:.1em}.systems-question-grid h3{margin:3.5rem 0 .8rem;font-size:clamp(1.45rem,2.4vw,2rem)}.systems-question-grid p{color:var(--os-muted);font-size:.9rem;line-height:1.7}
.systems-archive-note{background:var(--os-navy);color:#fff}.systems-archive-note__grid{align-items:start;display:grid;gap:clamp(3rem,8vw,8rem);grid-template-columns:1.1fr .9fr}.systems-archive-note h2{max-width:14ch;color:#fff;font-size:clamp(2.4rem,4.7vw,4.8rem);line-height:1}.systems-archive-note__grid>div:last-child{padding-top:1.5rem}.systems-archive-note__grid>div:last-child p{color:rgba(255,255,255,.72);font-size:1.05rem;line-height:1.75}.systems-archive-note .os-text-link{color:#fff}
.systems-topics{background:#f5f2eb}.systems-topic-grid{display:grid;grid-template-columns:repeat(5,1fr);border-left:1px solid rgba(7,26,51,.12);border-top:1px solid rgba(7,26,51,.12)}.systems-topic-grid a{display:grid;grid-template-columns:1fr auto;min-height:155px;padding:1.35rem;border-right:1px solid rgba(7,26,51,.12);border-bottom:1px solid rgba(7,26,51,.12);color:var(--os-navy);text-decoration:none;transition:background .25s,color .25s}.systems-topic-grid strong{align-self:end;grid-column:1/-1;font-family:var(--os-serif);font-size:1.35rem}.systems-topic-grid i{color:var(--os-gold);font-style:normal}.systems-topic-grid a:hover{background:var(--os-navy);color:#fff}.systems-topic-grid a:hover span,.systems-topic-grid a:hover i{color:var(--os-gold-soft)}
.systems-ideas{background:#fff}.systems-idea-grid{display:grid;grid-template-columns:repeat(5,1fr);border-top:1px solid var(--os-border)}.systems-idea-grid>a{display:flex;flex-direction:column;min-height:330px;padding:1.6rem;border-right:1px solid var(--os-border);color:inherit;text-decoration:none;transition:background .25s,transform .25s}.systems-idea-grid>a:first-child{border-left:1px solid var(--os-border)}.systems-idea-grid h3{margin:3.5rem 0 .8rem;font-size:clamp(1.45rem,2.3vw,2rem);line-height:1.05}.systems-idea-grid p{color:var(--os-muted);font-size:.82rem;line-height:1.6}.systems-idea-grid i{margin-top:auto;color:var(--os-gold);font-size:.65rem;font-style:normal;font-weight:750;letter-spacing:.06em;text-transform:uppercase}.systems-idea-grid>a:hover{background:var(--os-ivory);transform:translateY(-5px)}
.systems-book-bridge{color:#fff;background:linear-gradient(110deg,rgba(5,22,42,.98),rgba(7,31,58,.82)),url('../images/backgrounds/systems-society.jpg') center/cover}.systems-book-bridge__grid{align-items:center;display:grid;gap:clamp(3rem,8vw,8rem);grid-template-columns:1.15fr .85fr}.systems-book-bridge h2{max-width:12ch;color:#fff;font-size:clamp(2.7rem,5vw,5.2rem);line-height:.98}.systems-book-bridge__grid>div:last-child p{color:rgba(255,255,255,.76);font-size:1.05rem;line-height:1.75}.systems-book-bridge .os-button{margin-top:1.5rem;background:var(--os-gold);border-color:var(--os-gold);color:var(--os-navy)}
.systems-final-cta{text-align:center;background:var(--os-ivory)}.systems-final-cta h2{max-width:900px;margin:.6rem auto 1rem;font-size:clamp(2.6rem,5vw,5.3rem);line-height:1}.systems-final-cta>div>p:not(.eyebrow){max-width:650px;margin-inline:auto;color:var(--os-muted)}.systems-final-cta .os-button{margin-top:1.75rem}
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/* Rich external-article previews */
.external-article{border-left:3px solid var(--os-gold);padding:clamp(1.5rem,4vw,3rem)}
.external-article>p:not(.eyebrow){font-family:var(--os-serif);font-size:1.12rem;line-height:1.8;max-width:720px}
.external-article .external-article__note{color:var(--os-muted);font-family:var(--os-sans);font-size:.82rem;margin-top:2rem}
.external-article .os-button{margin-top:1rem}
.external-article__continuation{align-items:center;color:var(--os-gold);display:flex;gap:1rem;margin-top:2rem}.external-article__continuation::before,.external-article__continuation::after{background:var(--os-border);content:"";height:1px;width:4rem}.external-article__continuation span{letter-spacing:.35em}