:root{
  --ink:#15323b;--ink2:#254751;--muted:#60757b;--teal:#0a777f;--teal2:#0d9296;
  --mist:#edf8f7;--sand:#fff9ef;--line:#d8e5e6;--white:#fff;--warning:#fff4dd;
  --shadow:0 12px 34px rgba(17,54,62,.10)
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:#fff;line-height:1.72}
a{color:#06717a;text-underline-offset:2px}
.wrap{width:min(1180px,calc(100% - 40px));margin:auto}
.skip{position:absolute;left:-9999px}.skip:focus{left:12px;top:12px;background:#fff;padding:10px;z-index:999}
.notice{background:#113a44;color:#e7f4f4;font-size:13px;text-align:center;padding:8px 12px}
.notice a{color:#fff}
header{background:rgba(255,255,255,.98);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:40}
.header-inner{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:22px}
.brand{font-size:25px;font-weight:900;color:var(--ink);text-decoration:none;letter-spacing:-.02em;white-space:nowrap}
.brand span{color:var(--teal)}
nav{display:flex;align-items:center;gap:19px}
nav a{font-size:14px;font-weight:750;color:var(--ink);text-decoration:none}
.header-cta{background:var(--teal);color:white!important;padding:11px 15px;border-radius:10px;box-shadow:0 5px 14px rgba(10,119,127,.2)}
.hero{background:linear-gradient(135deg,#ecf8f7 0%,#fff9ef 100%);padding:74px 0 62px;border-bottom:1px solid var(--line)}
.hero h1{font-size:clamp(40px,6vw,64px);line-height:1.03;max-width:900px;margin:0 0 20px;letter-spacing:-.04em}
.hero p{font-size:20px;max-width:780px;color:var(--muted)}
.eyebrow{text-transform:uppercase;letter-spacing:.11em;font-size:12px;font-weight:900;color:var(--teal)}
.btn{display:inline-block;background:var(--teal);color:#fff;text-decoration:none;font-weight:850;padding:13px 18px;border-radius:10px;margin:8px 8px 8px 0;border:0;cursor:pointer}
.btn.secondary{background:#fff;color:var(--teal);border:1px solid var(--teal)}
.btn.small{padding:10px 13px;font-size:14px}
section{padding:48px 0}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px;box-shadow:0 3px 14px rgba(24,62,70,.04)}
.card h2,.card h3{margin-top:0;line-height:1.24}
.article-layout{display:grid;grid-template-columns:minmax(0,790px) 310px;gap:46px;padding-top:40px}
article h1{font-size:clamp(36px,5vw,50px);line-height:1.08;letter-spacing:-.025em;margin:10px 0 16px}
article h2{font-size:29px;line-height:1.2;margin-top:44px}
article h3{font-size:21px;line-height:1.3;margin-top:28px}
.lede{font-size:20px;line-height:1.6;color:var(--muted)}
.meta{font-size:13px;color:var(--muted);margin:9px 0 20px}
.breadcrumbs{font-size:13px;color:var(--muted);margin-bottom:12px}
.breadcrumbs a{color:var(--muted)}
.disclosure,.health-note,.source-note,.info-box{border-radius:12px;padding:16px 18px;margin:22px 0}
.disclosure{background:#f2f8f8;border:1px solid #cfe3e3}
.health-note{background:var(--warning);border-left:4px solid #d99a26}
.source-note{background:#f7f8f8;border:1px solid #e5e9e9}
.info-box{background:var(--mist)}
.cta-box{background:linear-gradient(135deg,#e8f7f5,#fff6e7);border:1px solid #cae4e2;border-radius:16px;padding:24px;margin:32px 0}
.cta-box h3{margin-top:0}
.sticky{position:sticky;top:98px}
.side-card{border:1px solid var(--line);border-radius:16px;background:var(--sand);padding:22px;box-shadow:var(--shadow)}
.side-card h3{margin-top:6px}
.side-card .btn{display:block;text-align:center;margin:12px 0}
.sidebar-links{margin-top:18px;padding-top:16px;border-top:1px solid #e7dcc8}
.sidebar-links a{display:block;margin:8px 0;font-size:14px}
.toc{background:#fbfdfd;border:1px solid var(--line);padding:18px;border-radius:12px;margin:24px 0}
.toc strong{display:block;margin-bottom:6px}
.toc a{display:block;margin:5px 0;font-size:14px}
.sources{font-size:14px;background:#f7f9f9;padding:20px;border-radius:12px;margin-top:42px}
.sources li{margin:8px 0}
.related{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.related a{display:block;border:1px solid var(--line);border-radius:10px;padding:13px;text-decoration:none;font-weight:700}
.cluster-hero{padding:46px 0 28px;background:#f8fbfb;border-bottom:1px solid var(--line)}
.cluster-hero h1{font-size:45px;margin:6px 0 12px;line-height:1.1}
.cluster-list{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.cluster-list a{display:block;border:1px solid var(--line);border-radius:13px;padding:18px;text-decoration:none;background:#fff}
.cluster-list strong{display:block;color:var(--ink);font-size:17px;margin-bottom:5px}
.cluster-list span{font-size:14px;color:var(--muted)}
footer{margin-top:60px;background:#113a44;color:#dbe9ea;padding:46px 0}
footer a{color:#fff}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:28px}
.popup{position:fixed;inset:0;background:rgba(7,28,34,.72);display:none;z-index:100;align-items:center;justify-content:center;padding:18px}
.popup.show{display:flex}
.popup-card{width:min(680px,100%);background:#fff;border-radius:20px;padding:34px;box-shadow:0 30px 80px rgba(0,0,0,.3);position:relative}
.popup-card h2{font-size:32px;line-height:1.15;margin:8px 0}
.popup-close{position:absolute;right:16px;top:10px;border:0;background:none;font-size:30px;cursor:pointer;color:#31505a}
.offer-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:18px 0}
.offer-grid div{background:#f5f9f9;padding:12px;border-radius:10px;text-align:center}
.offer-grid b{display:block;font-size:18px}
.mobile-menu{display:none}
@media(max-width:900px){
  nav a:not(.header-cta){display:none}.article-layout{grid-template-columns:1fr}.sticky{position:static}
  .grid,.cluster-list,.footer-grid{grid-template-columns:1fr}.related{grid-template-columns:1fr}
  .offer-grid{grid-template-columns:1fr 1fr 1fr}.hero{padding:54px 0}.cluster-hero h1{font-size:38px}
}
@media(max-width:600px){
  .wrap{width:min(100% - 28px,1180px)}.brand{font-size:21px}.header-cta{font-size:12px;padding:9px 10px}
  .notice{font-size:12px}.offer-grid{grid-template-columns:1fr}.popup-card{padding:27px 21px}
}