:root{--navy:#082f45;--blue:#0a4058;--teal:#2e7f7c;--aqua:#dcefed;--sand:#f4f1e8;--paper:#fbfcfa;--ink:#17313c;--muted:#5d6f76;--line:#c9d6d6;--coral:#d96f53;--max:1240px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:Arial,Helvetica,sans-serif;font-size:17px;line-height:1.68}img{max-width:100%}a{color:inherit}.skip{position:fixed;top:-80px;left:20px;background:white;padding:12px;z-index:100}.skip:focus{top:12px}
.site-header{background:rgba(251,252,250,.97);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}.header-inner{width:min(92%,var(--max));height:84px;margin:auto;display:flex;align-items:center;justify-content:space-between;gap:28px}.brand{display:flex;align-items:center;gap:11px;text-decoration:none;width:max-content}.brand>span{width:44px;height:44px;border-radius:50%;display:grid;place-items:center;background:var(--navy);color:white;font-family:Georgia,serif;font-weight:bold}.brand strong{font-family:Georgia,serif;font-size:18px;line-height:.95;color:var(--navy)}.site-header nav{display:flex;gap:25px;align-items:center}.site-header nav a{text-decoration:none;font-size:13px;font-weight:700;color:var(--muted);padding:30px 0;border-bottom:3px solid transparent}.site-header nav a:hover,.site-header nav a[aria-current=page]{color:var(--navy);border-color:var(--teal)}.menu-button{display:none;border:1px solid var(--navy);background:white;border-radius:4px;padding:10px 14px;font-weight:700}
.hero{width:min(92%,var(--max));margin:48px auto 0;display:grid;grid-template-columns:minmax(0,1fr) minmax(400px,.86fr);min-height:590px;background:var(--sand);border-radius:8px;overflow:hidden}.hero-copy{padding:70px 7%;display:flex;flex-direction:column;justify-content:center}.eyebrow{color:var(--teal);text-transform:uppercase;font-weight:800;font-size:12px;letter-spacing:.14em}.hero h1{font-family:Georgia,"Times New Roman",serif;font-size:clamp(45px,5vw,76px);line-height:1.05;letter-spacing:-.025em;color:var(--navy);margin:20px 0 25px}.hero-copy>p{font-size:20px;line-height:1.6;margin:0;color:#34505a}.updated{margin-top:34px;color:var(--muted);font-size:12px}.hero figure{margin:0;position:relative;min-height:450px;background:var(--navy)}.hero figure img{width:100%;height:100%;object-fit:cover;display:block}.hero figcaption{position:absolute;right:16px;bottom:14px;background:rgba(8,47,69,.88);color:white;padding:7px 10px;font-size:10px;border-radius:3px}.hero figcaption a{color:white}
.lead-grid{width:min(92%,var(--max));margin:34px auto 0;display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.lead-card{text-decoration:none;border:1px solid var(--line);border-radius:7px;overflow:hidden;background:white;padding-bottom:22px;transition:.18s}.lead-card:hover{transform:translateY(-3px);box-shadow:0 12px 30px rgba(8,47,69,.1)}.lead-card img{width:100%;height:185px;object-fit:cover;display:block}.lead-card span,.lead-card h2,.lead-card p{margin-left:22px;margin-right:22px}.lead-card span{display:block;margin-top:19px;color:var(--teal);font-size:10px;text-transform:uppercase;font-weight:800;letter-spacing:.12em}.lead-card h2{font-family:Georgia,serif;color:var(--navy);font-size:25px;margin-top:8px;margin-bottom:9px}.lead-card p{font-size:14px;line-height:1.55;color:var(--muted);margin-bottom:0}
.facts{width:min(92%,var(--max));margin:34px auto 0;display:grid;grid-template-columns:repeat(3,1fr);border:1px solid var(--line);border-radius:7px;background:white;overflow:hidden}.facts div{padding:25px 28px;border-right:1px solid var(--line);display:flex;flex-direction:column}.facts div:last-child{border:0}.facts strong{font-family:Georgia,serif;color:var(--navy);font-size:27px}.facts span{font-size:13px;color:var(--muted);margin-top:4px}
.article-layout{width:min(92%,1100px);margin:75px auto;display:grid;grid-template-columns:230px minmax(0,1fr);gap:70px}.toc{position:sticky;top:115px;align-self:start;border-top:2px solid var(--teal);padding-top:16px}.toc>span{display:block;text-transform:uppercase;letter-spacing:.12em;font-size:11px;font-weight:800;color:var(--teal);margin-bottom:9px}.toc a{display:block;text-decoration:none;color:var(--muted);font-size:13px;line-height:1.35;padding:10px 0;border-bottom:1px solid var(--line)}.toc a:hover{color:var(--navy)}
.article-section{padding-bottom:46px;margin-bottom:46px;border-bottom:1px solid var(--line)}.article-section h2,.faq h2,.sources h2,.related h2,.safety-note h2{font-family:Georgia,serif;color:var(--navy);font-size:clamp(30px,3.2vw,44px);line-height:1.16;margin:0 0 24px}.article-section p{font-family:Georgia,"Times New Roman",serif;font-size:20px;line-height:1.78;margin:0 0 20px}.safety-note{background:var(--aqua);padding:34px;border-radius:7px;margin-bottom:52px;border-left:4px solid var(--teal)}.safety-note h2{font-size:30px;margin-bottom:15px}.safety-note p{margin:0;font-size:17px}
.faq{margin:15px 0 55px}.faq>span,.related>div>span{display:block;color:var(--teal);font-size:11px;font-weight:800;text-transform:uppercase;letter-spacing:.14em;margin-bottom:8px}.faq details{border-top:1px solid var(--line)}.faq details:last-child{border-bottom:1px solid var(--line)}.faq summary{cursor:pointer;padding:18px 35px 18px 0;font-weight:700;color:var(--navy);position:relative}.faq summary:after{content:"+";position:absolute;right:5px;color:var(--teal);font-size:22px}.faq details[open] summary:after{content:"−"}.faq details p{margin:0;padding:0 36px 20px 0;color:var(--muted)}
.sources{background:var(--sand);border-radius:7px;padding:30px}.sources h2{font-size:28px;margin-bottom:14px}.sources ul{padding-left:20px}.sources li{margin:7px 0}.sources a{color:var(--blue);font-weight:700}.sources p{font-size:13px;color:var(--muted);margin-bottom:0}
.related{background:var(--navy);color:white;padding:64px max(4%,calc((100% - var(--max))/2));display:grid;grid-template-columns:260px 1fr;gap:55px}.related h2{color:white;font-size:38px}.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}.related-grid a{display:flex;flex-direction:column;gap:13px;text-decoration:none;background:white;color:var(--navy);padding:22px;border-radius:6px;min-height:170px}.related-grid a span{color:var(--teal);font-size:10px;text-transform:uppercase;font-weight:800;letter-spacing:.1em}.related-grid a strong{font-family:Georgia,serif;font-size:20px;line-height:1.2}.related-grid a:hover{background:var(--aqua)}
footer{background:#052536;color:white;padding:55px max(4%,calc((100% - var(--max))/2));display:grid;grid-template-columns:1fr auto;gap:30px}.brand-footer>span{background:white;color:var(--navy)}.brand-footer strong{color:white}footer p{color:#b8ced5;margin:13px 0 0}footer nav{display:flex;gap:22px;align-items:center}footer nav a{font-size:13px;color:white}footer small{grid-column:1/-1;border-top:1px solid #315263;padding-top:22px;color:#94adb7}
@media(max-width:900px){.site-header nav{display:none;position:absolute;top:84px;left:0;right:0;background:white;border-bottom:1px solid var(--line);padding:15px 4%;flex-direction:column;align-items:stretch;gap:0}.site-header nav.open{display:flex}.site-header nav a{padding:12px 0}.menu-button{display:block}.hero{grid-template-columns:1fr}.hero-copy{padding:55px 7%}.hero figure{height:470px;min-height:0}.article-layout{grid-template-columns:1fr;gap:35px}.toc{position:static;display:grid;grid-template-columns:1fr 1fr;gap:0 25px}.toc>span{grid-column:1/-1}.related{grid-template-columns:1fr}.lead-grid{grid-template-columns:1fr 1fr}.lead-card:last-child{grid-column:1/-1}}
@media(max-width:620px){body{font-size:16px}.header-inner{height:72px}.site-header nav{top:72px}.hero{width:100%;margin:0;border-radius:0}.hero-copy{padding:45px 5%}.hero h1{font-size:42px}.hero-copy>p{font-size:18px}.hero figure{height:330px}.lead-grid{grid-template-columns:1fr}.lead-card:last-child{grid-column:auto}.facts{width:90%;grid-template-columns:1fr}.facts div{border-right:0;border-bottom:1px solid var(--line)}.article-layout{width:90%;margin:50px auto}.toc{display:block}.article-section p{font-size:18px}.safety-note{padding:25px}.related{padding:45px 5%}.related-grid{grid-template-columns:1fr}footer{grid-template-columns:1fr}footer nav{flex-wrap:wrap}}