/* David Sinclair longevity guide: scoped to longevity-page; independent of other guide styles. */
.longevity-page .longevity-shell{max-width:1120px}
.longevity-page .longevity-hero{background:linear-gradient(118deg,#fff,#f0f8f6)}
.longevity-page .longevity-hero h1{max-width:930px;font-size:clamp(32px,4.5vw,52px);line-height:1.12;letter-spacing:-.032em}
.longevity-page .longevity-hero-subtitle{font-size:clamp(18px,2.5vw,24px);font-weight:700;line-height:1.38;color:#25675f;margin:0 0 15px;max-width:880px}
.longevity-page .longevity-hero .guide-lead{max-width:900px}
.longevity-page .longevity-buttons{display:flex;flex-wrap:wrap;gap:12px;margin-top:19px}
.longevity-page .longevity-notice{margin:0 0 18px;padding:16px 20px;background:#f5f7f0;border-left:4px solid #7e9a72;border-radius:8px;color:#33443b;font-size:14px;line-height:1.72}
.longevity-page .longevity-toc{margin:0 0 18px;padding:19px 23px;background:#fff;border:1px solid #dedbd2;border-radius:10px}
.longevity-page .longevity-toc strong{display:block;margin-bottom:10px;font-size:14px}
.longevity-page .longevity-toc>div{display:flex;flex-wrap:wrap;column-gap:18px;row-gap:8px}
.longevity-page .longevity-toc a{font-size:13px;color:#22665e;text-decoration:underline;text-underline-offset:3px}
.longevity-page .longevity-section{margin:0 0 18px;padding:29px 34px;border:1px solid #dfdbcf;border-radius:10px;background:#fff}
.longevity-page .longevity-section h2,.longevity-page .longevity-cta h2{font-size:clamp(24px,3vw,33px);line-height:1.25;letter-spacing:-.026em;margin:8px 0 16px}
.longevity-page .longevity-section h3{font-size:18px;line-height:1.35;margin:19px 0 9px}
.longevity-page .longevity-section p,.longevity-page .longevity-section li,.longevity-page .longevity-cta p{font-size:16px;line-height:1.78;color:#3b4641}
.longevity-page .longevity-section p:last-child{margin-bottom:0}
.longevity-page .longevity-ref{display:inline-block;font-size:11px;line-height:1;font-weight:750;color:#186a61;vertical-align:super;margin-left:2px;white-space:nowrap}
.longevity-page .longevity-topic-grid,.longevity-page .longevity-habits-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin:22px 0}
.longevity-page .longevity-topic-grid>div,.longevity-page .longevity-habits-grid>div{border:1px solid #dce8e1;background:#f7fbf9;padding:19px 21px;border-radius:9px}
.longevity-page .longevity-topic-grid h3,.longevity-page .longevity-habits-grid h3{margin:5px 0 8px;color:#285f57}
.longevity-page .longevity-topic-grid p,.longevity-page .longevity-habits-grid p{margin:0;font-size:14px;line-height:1.66}
.longevity-page .longevity-topic-number{font-size:12px;letter-spacing:.1em;color:#20877c;font-weight:800}
.longevity-page .longevity-evidence-strip{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:9px;margin:20px 0}
.longevity-page .longevity-evidence-strip>div{border:1px solid #cee0da;background:#f4f9f6;border-radius:9px;padding:15px}
.longevity-page .longevity-evidence-strip strong{display:block;font-size:14px;color:#245e55;line-height:1.3}
.longevity-page .longevity-evidence-strip span{font-size:12px;line-height:1.5;color:#596c61;display:block;margin-top:6px}
.longevity-page .longevity-featured-study{background:#eef7f2;border:1px solid #c9e3d2;border-radius:9px;padding:20px 24px;margin:22px 0}
.longevity-page .longevity-featured-study>span{font-size:11px;color:#1c7265;font-weight:800;letter-spacing:.08em}
.longevity-page .longevity-featured-study h3{margin:7px 0 10px}
.longevity-page .longevity-featured-study p{margin:0;font-size:15px}
.longevity-page .longevity-dispute{border-left:3px solid #77a99a;padding:2px 18px;margin:22px 0}
.longevity-page .longevity-dispute h3{margin:0 0 9px;color:#265c54}
.longevity-page .longevity-dispute p{margin:0}
.longevity-page .longevity-table-wrap{overflow-x:auto;margin:20px 0;border:1px solid #dbe5de;border-radius:9px}
.longevity-page .longevity-table{border-collapse:collapse;width:100%;min-width:640px;font-size:14px}
.longevity-page .longevity-table caption{text-align:left;padding:13px 15px;font-weight:700;color:#285e56;background:#f4f8f5}
.longevity-page .longevity-table th,.longevity-page .longevity-table td{padding:12px 15px;text-align:left;border-top:1px solid #e1e9e2;vertical-align:top;line-height:1.6;color:#3f4a44}
.longevity-page .longevity-table thead th{background:#eaf4ee;color:#244f48;font-size:13px;font-weight:750}
.longevity-page .longevity-table tbody th{color:#2a665b;font-weight:750;white-space:nowrap}
.longevity-page .longevity-table tbody tr:nth-child(even){background:#f9fbf9}
.longevity-page .longevity-medicine-list>div{border-bottom:1px solid #e5e8e3;padding:9px 0 13px}
.longevity-page .longevity-medicine-list>div:last-child{border-bottom:none}
.longevity-page .longevity-medicine-list h3{margin:5px 0}
.longevity-page .longevity-medicine-list p{margin:0}
.longevity-page .longevity-safety-list{padding-left:24px}
.longevity-page .longevity-safety-list li+li{margin-top:13px}
.longevity-page .longevity-section .longevity-footnote{font-size:13px;line-height:1.6;color:#63736a}
.longevity-page .longevity-cta{padding:30px 34px;border-radius:10px;border:1px solid #c5ded6;background:linear-gradient(115deg,#ecf8f2,#fcfbf6);margin-bottom:18px}
.longevity-page .longevity-cta p{max-width:900px}
.longevity-page .longevity-cta .longevity-privacy{font-size:13px;margin:14px 0 0}
.longevity-page .longevity-sources ol{padding-left:24px}
.longevity-page .longevity-sources li{overflow-wrap:anywhere;margin-bottom:8px}
.longevity-page .longevity-sources a{color:#176b62}
.longevity-page .longevity-bottom-links{display:flex;flex-wrap:wrap;justify-content:space-between;gap:14px;margin:22px 0 34px;font-weight:650}
@media(max-width:760px){.longevity-page .longevity-topic-grid,.longevity-page .longevity-habits-grid{grid-template-columns:1fr}.longevity-page .longevity-evidence-strip{grid-template-columns:1fr}}
@media(max-width:560px){.longevity-page .longevity-section,.longevity-page .longevity-cta{padding:20px 19px}.longevity-page .longevity-section p,.longevity-page .longevity-section li,.longevity-page .longevity-cta p{font-size:15px}}