.sources-page{background:#f5f7f3;color:#203d38}.sources-header{padding:26px 6%;display:flex;align-items:center;justify-content:space-between;gap:24px;border-bottom:1px solid #dce4dc;background:white}.sources-header .logo{color:#203d38;gap:0}.sources-header nav{display:flex;gap:25px;font-size:13px}.sources-main{max-width:1120px;margin:auto;padding:66px 32px}.sources-hero{max-width:810px}.sources-hero h1{font-size:clamp(35px,5vw,62px);letter-spacing:-2.4px;line-height:1.06;margin:22px 0}.sources-hero h1 span{color:#8a9f6d}.sources-hero>p{font-size:18px;line-height:1.7;color:#526961;max-width:700px}.sources-hero small{display:block;font-size:12px;color:#637b70;margin-top:24px}.sources-main p{line-height:1.75}.source-summary{padding:24px 28px;border-left:3px solid #718c65;background:#e9eee4;margin:32px 0;border-radius:0 12px 12px 0}.source-summary p{margin:10px 0 0;font-size:14px}.source-jumps{display:flex;flex-wrap:wrap;gap:14px 25px;padding:18px 0 30px;border-bottom:1px solid #d5ded6;font-size:13px}.sources-main section{margin-top:55px;scroll-margin-top:24px}.source-section-title{display:flex;gap:17px;align-items:center;margin-bottom:22px}.source-section-title>span{font-size:12px;color:#627d68;border:1px solid #b7c9b7;border-radius:50%;width:35px;height:35px;display:grid;place-items:center;flex-shrink:0}.source-section-title h2{font-size:28px;letter-spacing:-.8px;line-height:1.25}.sources-main section>p{font-size:15px;color:#52695e}.reference-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.reference-card{padding:26px;border:1px solid #dbe3d9;border-radius:12px;background:white}.reference-card>span,.source-example>span{font-size:10px;text-transform:uppercase;font-weight:700;letter-spacing:1px;color:#668060}.reference-card h3{font-size:18px;line-height:1.4;margin:13px 0}.reference-card a{text-decoration:underline;text-underline-offset:4px}.reference-card p{font-size:13px;color:#52695e}.source-table-wrap{overflow-x:auto;margin:25px 0;border:1px solid #d6e0d8;border-radius:10px;background:#fff}.sources-page table{width:100%;border-collapse:collapse;font-size:13px;text-align:left}.sources-page caption{text-align:left;padding:18px;font-size:12px;color:#627b6a}.sources-page th,.sources-page td{padding:16px 18px;vertical-align:top;border-top:1px solid #e0e7df;line-height:1.6}.sources-page thead{background:#eaf0e9}.sources-page td:nth-child(2){min-width:175px}.source-example{padding:24px;background:#f3eee1;border-radius:12px}.source-example p{font-size:14px;margin-top:10px}.motion-facts{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:25px 0}.motion-facts article{background:#16373b;color:#eaf4ef;border-radius:12px;padding:24px;display:grid;gap:12px}.motion-facts span{font-size:12px;color:#aec6ba}.motion-facts strong{font-size:30px}.motion-facts small{font-size:12px;color:#aec6ba}.formula-block{background:#eef2eb;padding:20px;border-radius:8px;font-size:12px;line-height:2;font-family:ui-monospace,monospace;overflow-wrap:anywhere;margin:18px 0}.assumptions-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}.assumptions-grid h3,.tutor-source-note h3{font-size:18px;margin:12px 0}.assumptions-grid p,.tutor-source-note p{font-size:14px;color:#52695e}.model-equations{border:1px solid #d3dfd3;border-radius:10px;margin-top:30px;padding:22px;background:#fff}.model-equations summary{cursor:pointer;font-size:14px;font-weight:600}.model-equations p{font-size:13px;margin-top:18px}.source-back{display:inline-block;padding:17px 24px;background:#255645;color:white;border-radius:7px;margin-top:38px;font-size:14px}.sources-footer{padding:26px 6%;border-top:1px solid #d3dfd3;display:flex;justify-content:space-between;align-items:center;gap:25px;font-size:12px}.sources-footer img{width:145px;height:auto}.sources-page a:focus-visible,.sources-page summary:focus-visible{outline:3px solid #cc6d2b;outline-offset:5px}
@media(max-width:650px){.sources-main{padding:36px 20px}.sources-header{padding:20px}.sources-header .logo{font-size:23px}.sources-header nav{font-size:11px;gap:12px}.sources-header nav>a:first-child{display:none}.sources-hero h1{letter-spacing:-1.2px}.sources-hero>p{font-size:16px}.reference-grid,.assumptions-grid,.motion-facts{grid-template-columns:1fr}.source-section-title h2{font-size:24px}.source-summary{padding:20px}.source-jumps{display:grid;grid-template-columns:1fr 1fr;font-size:11px;gap:15px}.reference-card{padding:22px}.sources-footer{font-size:10px;padding:24px 20px}.sources-footer img{width:110px}}