/* Editorial depth that preserves Sterling's quiet blue, teacher-led design. */
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h2{font-size:29px;line-height:1.2;max-width:620px}.study-cta p{max-width:660px;font-size:16px}.study-cta p:last-child{margin-bottom:0}.study-cta .btn{white-space:nowrap}.study-related{padding:50px 28px 60px}.study-related h2{font-size:28px;line-height:1.25;max-width:700px}.study-related>div{display:flex;gap:16px 28px;flex-wrap:wrap;font-size:16px;line-height:1.6}.study-stage-home{padding:36px 28px 16px;max-width:1070px}.study-stage-home>div:first-child{max-width:670px}.study-stage-home h2{font-size:34px;line-height:1.2;color:#203e55}.study-stage-home p{font-size:16px}.stage-link-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px;margin-top:28px}.stage-link-grid>a{display:grid;gap:10px;padding:24px 26px;border-top:2px solid #bed8eb;background:#f4f8fc;border-radius:0 0 8px 8px}.stage-link-grid>a>span:first-child{font-size:13px;font-weight:600;color:#336b92}.stage-link-grid strong{font-size:21px;line-height:1.35;color:#23445e}.stage-link-grid>a>span:last-child{font-size:16px;line-height:1.7;color:#567085}.stage-link-grid>a:hover{background:#eaf3fa}.study-guide-links{display:flex;flex-wrap:wrap;gap:13px 28px;border-top:1px solid #dce6ef;margin-top:26px;padding-top:23px;line-height:1.7;font-size:15px}.study-guide-links p{width:100%;margin:0;font-size:14px;font-weight:600;color:#3d6480}.study-stage-programme{background:#f5f9fc}.study-stage-columns{display:grid;grid-template-columns:1fr 1fr;gap:60px}.study-stage-columns article{scroll-margin-top:105px}.study-stage-columns h3{font-size:28px;line-height:1.25;max-width:420px}.study-stage-columns p,.study-stage-columns li{font-size:16px;line-height:1.8}.study-stage-columns ul{padding-left:21px;color:#536b7f}.study-stage-columns li{margin-bottom:8px}.study-jump-links{display:flex;flex-wrap:wrap;gap:12px 22px;font-size:14px;margin-top:25px;color:#28668f}.study-jump-links a{text-decoration:underline;text-underline-offset:5px}.study-hub-original{padding-top:10px;padding-bottom:34px}.study-guide-grid{grid-template-columns:1fr 1fr}.study-guide-grid h2{font-size:25px;line-height:1.25}.study-guide-grid .resource-preview-card{box-shadow:none}.study-guide-page .site-header .brand-sub{font-size:9px}a:focus-visible,summary:focus-visible{outline:3px solid #76afd4;outline-offset:5px}main [id]{scroll-margin-top:100px}
@media(max-width:800px){.study-layout{grid-template-columns:1fr;gap:28px}.study-toc{position:static;display:flex;flex-wrap:wrap;gap:5px 20px}.study-toc p{width:100%}.study-toc a{padding:6px 0}.study-stage-columns{gap:30px}.study-cta{margin:0 22px 45px;grid-template-columns:1fr;gap:20px}.study-cta .btn{justify-self:start}.study-hero{padding-top:42px}.study-intro{font-size:18px}}
@media(max-width:600px){.study-hero{padding:36px 22px 29px}.study-hero h1{font-size:38px}.study-layout{padding:0 22px 42px}.study-body h2{font-size:27px}.study-body p,.study-body li{font-size:16px;line-height:1.8}.study-body>section{margin-top:37px}.study-answer{padding:20px}.worked-example{padding:18px}.math-line{font-size:19px!important}.study-cta{padding:27px 23px}.study-cta h2{font-size:27px}.study-cta .btn{white-space:normal}.study-stage-home{padding:20px 22px 8px}.study-stage-home h2{font-size:29px}.stage-link-grid,.study-stage-columns,.study-guide-grid{grid-template-columns:1fr;gap:23px}.stage-link-grid>a{padding:21px}.study-stage-columns article+article{border-top:1px solid #cee0ec;padding-top:30px}.study-related{padding:32px 22px 45px}.study-related>div{display:grid;gap:16px}.study-guide-links{display:grid;gap:14px}.study-byline{font-size:14px}.study-stage-programme .section-heading h2{font-size:30px}.study-stage-columns h3{font-size:26px}}