/* Sahel Futures — publication design, September 2026. */
:root { --sf-ink:#202724; --sf-muted:#626b65; --sf-rust:#a4472c; --sf-rule:#dce0d9; --sf-soft:#f3f4ef; }
html { scroll-behavior:smooth; }
body { margin:0; background:#fff; }
.sf2-site { background:#fff; color:var(--sf-ink); font-family:Arial,Helvetica,sans-serif; font-size:17px; line-height:1.6; overflow-wrap:break-word; }
.sf2-site *, .sf2-site *::before, .sf2-site *::after { box-sizing:border-box; }
.sf2-site h1,.sf2-site h2,.sf2-site h3 { color:var(--sf-ink); font-family:Arial,Helvetica,sans-serif; font-weight:600; }
.sf2-site a { color:inherit; text-underline-offset:.24em; }
.sf2-site a:hover { text-decoration-thickness:2px; }
.sf2-site :focus-visible { outline:2px solid var(--sf-rust); outline-offset:5px; }
.sf2-site [id] { scroll-margin-top:28px; }
.sf2-site img { max-width:100%; }
.sf2-header { display:flex; align-items:center; justify-content:space-between; gap:40px; width:min(calc(100% - 80px),1240px); min-height:112px; margin:auto; border-bottom:1px solid var(--sf-rule); }
.sf2-brand { display:flex; align-items:center; gap:15px; text-decoration:none; flex-shrink:0; }
.sf2-brand > span:last-child { font-size:17px; font-weight:750; line-height:1.12; letter-spacing:.13em; }
.sf2-mark { display:grid; place-items:center; width:54px; height:54px; background:var(--sf-rust); color:#fff; font-family:Georgia,serif; font-size:37px; letter-spacing:-.08em; padding-right:5px; line-height:1; }
.sf2-header nav ul { display:flex; align-items:center; flex-wrap:wrap; gap:28px; list-style:none; margin:0; padding:0; }
.sf2-header nav a { display:block; padding:14px 0; font-size:14px; font-weight:500; text-decoration:none; }
.sf2-header nav a:hover,.sf2-header nav .current-menu-item a { color:var(--sf-rust); text-decoration:underline; }
.sf2-header nav li:last-child a { border:1px solid var(--sf-rule); padding:10px 16px; }
.sf2-home { width:min(calc(100% - 80px),1240px); margin:auto; }
.sf2-eyebrow, .sf2-site .section-label, .sf2-site .kicker { color:var(--sf-rust); font-family:Arial,Helvetica,sans-serif; font-size:11px; font-weight:700; letter-spacing:.12em; line-height:1.5; text-transform:uppercase; }
.sf2-hero { display:grid; grid-template-columns:1fr 1.07fr; align-items:center; gap:50px; padding:65px 0; }
.sf2-hero-copy > .sf2-eyebrow { margin:0 0 22px; }
.sf2-hero h1 { margin:0; font-size:clamp(46px,5.5vw,76px); font-weight:650; line-height:1.035; letter-spacing:-.065em; }
.sf2-dek { max-width:43ch; color:var(--sf-muted); font-size:19px; line-height:1.65; margin:25px 0 30px; }
.sf2-button { display:inline-flex; gap:35px; align-items:center; padding:13px 20px; background:var(--sf-ink); color:#fff!important; font-size:14px; font-weight:600; text-decoration:none; }
.sf2-button:hover { background:var(--sf-rust); }
.sf2-map { margin:0; min-width:0; }
.sf2-map svg { display:block; width:100%; height:auto; }
.sf2-map figcaption { display:flex; flex-direction:column; gap:6px; padding-top:13px; color:var(--sf-muted); font-size:11px; }
.sf2-map figcaption i { display:inline-block; width:9px; height:9px; background:#b95736; margin-right:6px; }
.sf2-map figcaption small { font-size:10px; }
.sf2-latest { padding:42px 0 60px; border-top:1px solid var(--sf-ink); }
.sf2-heading { display:flex; align-items:end; justify-content:space-between; gap:24px; margin-bottom:30px; }
.sf2-heading .sf2-eyebrow { margin:0 0 10px; }
.sf2-heading h2 { font-size:32px; line-height:1.16; letter-spacing:-.035em; margin:0; }
.sf2-heading > a { font-size:13px; font-weight:600; }
.sf2-publications { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:0 32px; }
.sf2-paper { display:flex; flex-direction:column; min-width:0; padding:28px 0 30px; border-top:1px solid var(--sf-rule); }
.sf2-paper-meta { display:flex; justify-content:space-between; gap:10px; font-size:11px; color:var(--sf-muted); }
.sf2-paper-meta > span { color:var(--sf-rust); font-weight:600; }
.sf2-paper h3 { margin:20px 0 15px; font-size:25px; line-height:1.23; letter-spacing:-.025em; }
.sf2-paper h3 a { text-decoration:none; }
.sf2-paper h3 a:hover { text-decoration:underline; text-decoration-thickness:1px; }
.sf2-paper > p { margin:0 0 25px; font-size:15px; line-height:1.65; color:var(--sf-muted); }
.sf2-paper-footer { display:flex; align-items:end; justify-content:space-between; gap:16px; margin-top:auto; }
.sf2-paper-footer small { color:var(--sf-muted); font-size:10px; max-width:27ch; }
.sf2-paper-footer a { font-size:12px; font-weight:700; white-space:nowrap; }
.sf2-paper-lead h3 { color:var(--sf-rust); }
.sf2-areas { background:var(--sf-soft); padding:42px; margin:0 0 60px; }
.sf2-area-grid { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:30px; }
.sf2-area-grid > a { display:flex; flex-direction:column; border-top:1px solid #bcc4ba; padding-top:22px; text-decoration:none; }
.sf2-area-grid > a > span { font-size:10px; letter-spacing:.08em; color:var(--sf-muted); }
.sf2-area-grid h3 { font-size:23px; line-height:1.22; letter-spacing:-.025em; margin:16px 0 12px; }
.sf2-area-grid p { font-size:14px; color:var(--sf-muted); margin:0 0 22px; }
.sf2-area-grid b { font-size:12px; margin-top:auto; }
.sf2-area-grid a:hover b { text-decoration:underline; }
.sf2-principles { display:grid; grid-template-columns:1fr 1fr; gap:100px; padding:0 0 64px; }
.sf2-principles h2 { font-size:37px; line-height:1.13; letter-spacing:-.04em; margin:16px 0 22px; }
.sf2-principles p:not(.sf2-eyebrow) { font-size:16px; color:var(--sf-muted); max-width:50ch; }
.sf2-principles a { font-size:13px; font-weight:600; }
.sf2-principle-links > a { display:flex; flex-direction:column; padding:22px 0; border-top:1px solid var(--sf-rule); text-decoration:none; }
.sf2-principle-links strong { display:flex; justify-content:space-between; font-size:18px; font-weight:600; margin-bottom:9px; }
.sf2-principle-links > a > span { color:var(--sf-muted); font-size:13px; font-weight:400; }
.sf2-principle-links > a:hover strong { color:var(--sf-rust); }
.sf2-footer { background:#202724; color:#f4f5f0; padding:45px max(40px,calc((100vw - 1240px)/2)) 20px; }
.sf2-footer-top { display:flex; justify-content:space-between; gap:40px; padding-bottom:30px; }
.sf2-footer-brand { font-size:25px; font-weight:600; text-decoration:none; letter-spacing:-.035em; }
.sf2-footer p { color:#bac1b8; font-size:13px; line-height:1.7; }
.sf2-footer nav ul { list-style:none; display:grid; grid-template-columns:repeat(2,1fr); gap:12px 36px; margin:0; padding:0; }
.sf2-footer nav a { font-size:13px; text-decoration:none; }
.sf2-footer nav a:hover { text-decoration:underline; }
.sf2-footer-bottom { display:flex; justify-content:space-between; gap:20px; border-top:1px solid #485247; }
.sf2-footer-bottom p { font-size:11px; margin:18px 0 0; }
/* Article and institutional page system. */
.sf2-site .page-masthead { padding:58px 0 42px; width:min(calc(100% - 80px),1120px); }
.sf2-site .page-masthead h1 { font-size:clamp(38px,5vw,62px); letter-spacing:-.05em; line-height:1.08; }
.sf2-site .page-masthead > p:last-child { color:var(--sf-muted); font-size:19px; line-height:1.6; max-width:760px; }
.sf2-site .paper-hero, .sf2-site .analysis-report-hero, .sf2-site .hero--plain { background:#fff; }
.sf2-site .paper-series { border-color:var(--sf-rule); color:var(--sf-muted); font-size:11px; letter-spacing:.07em; flex-wrap:wrap; gap:10px; }
.sf2-site .paper-title-block,.sf2-site .analysis-report-hero .paper-title-block { min-height:0; max-width:1120px; padding-top:48px; padding-bottom:38px; }
.sf2-site .paper-title-block h1,.sf2-site .hero--plain h1 { max-width:960px; font-family:Arial,Helvetica,sans-serif; font-size:clamp(36px,4.7vw,62px); font-weight:600; line-height:1.09; letter-spacing:-.045em; text-wrap:balance; }
.sf2-site .paper-subtitle,.sf2-site .hero-dek { color:var(--sf-muted); font-family:Arial,Helvetica,sans-serif; font-size:21px; line-height:1.6; max-width:820px; }
.sf2-site .paper-byline,.sf2-site .byline,.sf2-site .item-meta { display:flex; flex-wrap:wrap; gap:8px 18px; font-family:Arial,Helvetica,sans-serif; font-size:12px; line-height:1.6; color:var(--sf-muted); }
.sf2-site .report-article { max-width:780px; padding:48px 24px 60px; font-family:Georgia,'Times New Roman',serif; font-size:20px; line-height:1.78; }
.sf2-site .report-article h2 { margin:46px 0 22px; font-size:30px; line-height:1.23; letter-spacing:-.025em; }
.sf2-site .report-article h2:first-child { margin-top:0; }
.sf2-site .report-article > p { margin-bottom:25px; }
.sf2-site .report-article .report-standfirst { font-size:25px; line-height:1.55; margin-bottom:38px; }
.sf2-site .report-note { background:var(--sf-soft); border-left:3px solid var(--sf-rust); margin:28px 0; padding:22px; }
.sf2-site .report-note strong { color:var(--sf-rust); font-size:12px; }
.sf2-site .report-note p { font-size:15px; line-height:1.65; color:#4f5851; }
.sf2-site .report-summary { padding:32px 24px; border-color:var(--sf-rule); }
.sf2-site .report-summary strong { color:var(--sf-rust); font-size:11px; }
.sf2-site .report-summary h2 { font-size:16px; }
.sf2-site .report-summary p { font-size:16px; }
.sf2-site .paper-sources,.sf2-site .source-views-section,.sf2-site .route-map-section,.sf2-site .capture-section { background:var(--sf-soft); }
.sf2-site .paper-sources h2,.sf2-site .evidence-ledger-heading h2,.sf2-site .route-map-heading h2 { font-size:32px; line-height:1.18; letter-spacing:-.035em; }
.sf2-site .paper-sources a { overflow-wrap:anywhere; }
.sf2-site .evidence-ledger-wrap { max-width:100%; overflow-x:auto; overscroll-behavior-inline:contain; }
.sf2-site .evidence-ledger { font-size:14px; }
.sf2-site .evidence-ledger th,.sf2-site .evidence-ledger td { vertical-align:top; line-height:1.55; }
.sf2-site .next-paper { border-color:var(--sf-rule); background:#fff; }
.sf2-site .next-paper a { font-size:29px; }
.sf2-site .method-strip { background:#fff; padding-top:44px; padding-bottom:44px; border-color:var(--sf-rule); }
.sf2-site .method-strip h2 { font-size:30px; }
/* Directory and progressive navigation. */
.sf2-site .research-list { width:min(calc(100% - 80px),1120px); padding-top:0; padding-bottom:20px; }
.sf2-site .page-masthead > p:last-child { font-family:Arial,Helvetica,sans-serif; }
.sf2-site .paper-subtitle { font-style:normal; }
.sf2-site .research-list > a { grid-template-columns:35px minmax(0,1fr); gap:25px; padding:32px 0; border-color:var(--sf-rule); text-decoration:none; }
.sf2-site .research-list h2 { font-size:29px; line-height:1.2; letter-spacing:-.025em; margin:12px 0; }
.sf2-site .research-list p { max-width:800px; color:var(--sf-muted); font-size:16px; }
.sf2-site .research-list small { font-size:11px; }
.sf2-site .research-list > a:hover h2 { color:var(--sf-rust); }
.sf2-site .research-list > a[hidden] { display:none; }
.sf-search { width:min(calc(100% - 80px),1120px); margin:0 auto 25px; padding:24px 0; border-top:1px solid var(--sf-rule); }
.sf-search label { display:block; margin-bottom:10px; font-size:14px; font-weight:600; }
.sf-search input { width:min(100%,600px); min-height:48px; border:1px solid #909a8e; background:#fff; color:var(--sf-ink); font:inherit; font-size:16px; border-radius:0; padding:12px 15px; }
.sf-search p { color:var(--sf-muted); font-size:12px; margin:8px 0 0; }
.sf2-site .research-register-promo { width:min(calc(100% - 80px),1120px); background:var(--sf-soft); padding:30px; margin:40px auto; border:0; }
.sf2-site .research-register-promo h2 { font-size:28px; }
.sf2-site .research-register-promo p { font-size:15px; }
.sf-article-nav { width:min(calc(100% - 48px),980px); margin:0 auto; border-top:1px solid var(--sf-rule); border-bottom:1px solid var(--sf-rule); padding:12px 0; font-size:14px; }
.sf-article-nav summary { cursor:pointer; font-weight:600; padding:8px 0; }
.sf-article-nav ol { columns:2; column-gap:40px; padding-left:24px; }
.sf-article-nav li { break-inside:avoid; margin:0 0 10px; padding-left:3px; }
.sf2-site .sf-article-nav a { text-decoration-thickness:1px; }
@media (max-width:1000px) {
 .sf2-header { width:calc(100% - 48px); gap:24px; }
 .sf2-header nav ul { gap:18px; }
 .sf2-home { width:calc(100% - 48px); }
 .sf2-hero { gap:30px; padding:45px 0; }
 .sf2-hero h1 { font-size:56px; }
 .sf2-dek { font-size:17px; }
 .sf2-publications { grid-template-columns:repeat(2,minmax(0,1fr)); }
 .sf2-areas { padding:30px; }
 .sf2-principles { gap:45px; }
}
@media (max-width:760px) {
 .sf2-header { align-items:start; flex-direction:column; padding:22px 0 10px; gap:15px; }
 .sf2-header nav { width:100%; }
 .sf2-header nav ul { gap:6px 20px; }
 .sf2-header nav a { font-size:13px; }
 .sf2-header nav li:last-child a { border:0; padding:14px 0; }
 .sf2-mark { width:44px; height:44px; font-size:32px; }
 .sf2-brand > span:last-child { font-size:15px; }
 .sf2-hero { grid-template-columns:minmax(0,1fr); gap:32px; }
 .sf2-hero h1 { font-size:clamp(44px,9vw,66px); }
 .sf2-hero h1 br { display:none; }
 .sf2-dek { max-width:48ch; margin:20px 0 25px; }
 .sf2-map { max-width:620px; }
 .sf2-heading { flex-wrap:wrap; align-items:start; }
 .sf2-heading h2 { font-size:29px; }
 .sf2-area-grid { grid-template-columns:minmax(0,1fr); gap:26px; }
 .sf2-areas { margin-bottom:40px; padding:28px; }
 .sf2-principles { grid-template-columns:minmax(0,1fr); gap:30px; padding-bottom:40px; }
 .sf2-principles h2 { font-size:32px; }
 .sf2-footer { padding:32px 24px 20px; }
 .sf2-footer-top,.sf2-footer-bottom { flex-direction:column; gap:20px; }
 .sf2-footer-bottom { gap:0; }
 .sf2-site .page-masthead,.sf2-site .research-list,.sf-search,.sf2-site .research-register-promo { width:calc(100% - 48px); }
 .sf2-site .page-masthead { padding:36px 0 28px; }
 .sf2-site .page-masthead > p:last-child { font-size:17px; }
 .sf2-site .paper-title-block,.sf2-site .analysis-report-hero .paper-title-block { padding-top:30px; padding-bottom:30px; }
 .sf2-site .paper-subtitle,.sf2-site .hero-dek { font-size:18px; }
 .sf2-site .report-article { font-size:18px; padding:32px 24px 45px; }
 .sf2-site .report-article h2 { font-size:27px; }
 .sf2-site .report-article .report-standfirst { font-size:22px; }
 .sf2-site .research-list > a { grid-template-columns:minmax(0,1fr); gap:8px; padding:25px 0; }
 .sf2-site .research-list .list-number { display:none; }
 .sf2-site .research-list h2 { font-size:25px; }
 .sf2-site .research-register-promo { display:block; padding:24px; }
 .sf-article-nav ol { columns:1; }
}
@media (max-width:500px) {
 .sf2-publications { grid-template-columns:minmax(0,1fr); }
 .sf2-home,.sf2-header { width:calc(100% - 36px); }
 .sf2-header nav ul { gap:3px 16px; }
 .sf2-paper { padding:25px 0; }
 .sf2-paper h3 { font-size:26px; }
 .sf2-paper-footer small { max-width:none; }
 .sf2-site .evidence-ledger { min-width:620px; }
}
@media (prefers-reduced-motion:reduce) { html { scroll-behavior:auto; } }
@media print {
 .sf2-header nav,.sf2-footer,.sf-search,.sf-article-nav { display:none; }
 .sf2-site,.sf2-site .paper-sources,.sf2-areas { color:#111; background:white; }
 .sf2-header { min-height:75px; }
 .sf2-site a { color:#111; }
 .sf2-site .report-article { max-width:none; font-size:12pt; padding:16px 0; }
}

/* The newest publication leads the homepage automatically. */
.sf2-home-intro { margin:0; padding:19px 0; border-bottom:1px solid var(--sf-rule); color:var(--sf-muted); font-size:13px; }
.sf2-feature { display:grid; grid-template-columns:minmax(0,1.55fr) minmax(0,1fr); gap:65px; padding:48px 0 58px; align-items:center; }
.sf2-feature h1 { font-size:clamp(38px,4.4vw,61px); line-height:1.08; letter-spacing:-.045em; margin:18px 0; text-wrap:balance; }
.sf2-feature h1 a { text-decoration:none; }
.sf2-feature h1 a:hover { color:var(--sf-rust); }
.sf2-feature .sf2-dek { font-size:19px; margin:22px 0; max-width:52ch; }
.sf2-feature-meta { font-size:12px; color:var(--sf-muted); margin:0 0 23px; }
.sf2-feature-context { border-left:1px solid var(--sf-rule); padding-left:32px; min-width:0; }
.sf2-feature-context > p:not(.sf2-eyebrow) { font-size:14px; color:var(--sf-muted); margin:24px 0 8px; }
.sf2-feature-context > a { font-size:13px; font-weight:600; }
.sf2-feature-context .sf2-eyebrow { margin:0 0 18px; }
@media(max-width:760px) {
 .sf2-feature { grid-template-columns:minmax(0,1fr); gap:32px; padding:32px 0; }
 .sf2-feature h1 { font-size:clamp(36px,8.5vw,54px); }
 .sf2-feature .sf2-dek { font-size:17px; }
 .sf2-feature-context { border-left:0; border-top:1px solid var(--sf-rule); padding:24px 0 0; }
 .sf2-feature-context .sf2-map { max-width:420px; }
}

.sf-review-note { width:min(calc(100% - 48px),980px); margin:0 auto 25px; padding:20px 24px; background:var(--sf-soft); border-left:3px solid var(--sf-rust); font-size:15px; }
.sf-review-note strong { font-size:13px; color:var(--sf-rust); }
.sf-review-note p { margin:8px 0 0; }
.sf2-site .sfi-research-card h2 { font-size:27px; line-height:1.2; letter-spacing:-.025em; }
@media print { .sf-review-note { width:100%; } .sf2-site .evidence-ledger { min-width:0; font-size:9pt; } .sf2-site .evidence-ledger-wrap { overflow:visible; } }