:root{--ink:#17312c;--muted:#61716c;--paper:#f6f4ed;--card:#fff;--accent:#2f7467;--gold:#d9a96c;--line:#dbe3df;--max:1180px;--side:270px}
*{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:1.68}a{color:#246a5e}.wrap{max-width:var(--max);margin:auto;padding:0 22px}
.site-header{border-bottom:1px solid var(--line);background:rgba(255,255,255,.97);position:sticky;top:0;z-index:20;backdrop-filter:blur(10px)}
.navbar{min-height:74px;display:flex;align-items:center;gap:22px}.brand{font-weight:900;text-decoration:none;color:var(--ink);letter-spacing:-.03em;font-size:1.06rem;white-space:nowrap}.brand span{color:var(--accent)}
.desktop-nav{display:flex;align-items:center;gap:16px;margin-left:auto}.desktop-nav a{text-decoration:none;color:var(--ink);font-size:.92rem}.header-cta{margin-left:4px}
.btn{display:inline-block;background:var(--accent);color:#fff;text-decoration:none;font-weight:850;padding:12px 17px;border-radius:9px;line-height:1.2;border:0}.btn.dark{background:var(--ink)}.btn.small{padding:10px 13px;font-size:.86rem}
.mobile-actions{display:none;margin-left:auto;align-items:center;gap:7px}.menu-btn{width:42px;height:42px;border:1px solid var(--line);background:#fff;border-radius:9px;font-size:23px;line-height:1;cursor:pointer;color:var(--ink)}
.mobile-menu{display:none;border-top:1px solid var(--line);padding:8px 22px 18px}.mobile-menu.open{display:grid}.mobile-menu a{padding:9px 0;text-decoration:none;color:var(--ink);font-weight:700}
.hero{background:linear-gradient(135deg,#edf5f2,#faf4e9);padding:72px 0 66px}.eyebrow{text-transform:uppercase;letter-spacing:.12em;font-size:.74rem;font-weight:850;color:var(--accent)}
h1,h2,h3,h4{line-height:1.15;letter-spacing:-.035em}h1{font-size:clamp(2.35rem,5.7vw,4.5rem);margin:.18em 0}h2{font-size:clamp(1.55rem,3vw,2.3rem);margin-top:2.2rem}h3{font-size:1.18rem}.lede{font-size:1.18rem;max-width:780px;color:#40534e}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.card{border:1px solid var(--line);border-radius:14px;padding:23px;background:#fff}.card h3{margin-top:0}.card p{color:#465b55}
section{padding:52px 0}.breadcrumbs{font-size:.84rem;color:var(--muted);margin:22px 0}.page-shell{max-width:var(--max);margin:auto;padding:0 22px;display:grid;grid-template-columns:minmax(0,820px) var(--side);gap:54px;align-items:start}.article{min-width:0;padding-bottom:25px}.article h1{font-size:clamp(2.25rem,4.8vw,3.65rem)}.sidebar{border:1px solid var(--line);border-radius:14px;padding:20px;background:var(--paper);margin-top:80px}.sidebar h3{margin-top:0}.sidebar a:not(.btn){display:block;margin:9px 0;text-decoration:none}.sidebar .btn{width:100%;text-align:center;margin:7px 0 12px}
.note,.cta,.disclosure{padding:19px 21px;border-radius:12px;margin:27px 0}.note{background:var(--paper)}.cta{background:#edf5f2;border:1px solid #c8ded8}.disclosure{background:#fff8e9;border:1px solid #ecd7aa;font-size:.92rem}
table{width:100%;border-collapse:collapse;margin:24px 0;font-size:.95rem}th,td{padding:11px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}th{background:var(--paper)}
.footer{background:var(--ink);color:#e8efed;padding:44px 0;margin-top:60px}.footer a{color:#fff}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:28px}.footer p{max-width:520px}.small{font-size:.87rem;color:var(--muted)}
.sitemap-list{columns:2;column-gap:40px}.sitemap-list li{break-inside:avoid;margin:8px 0}.hero-actions{margin-top:22px}
@media(max-width:820px){.desktop-nav{display:none}.mobile-actions{display:flex}.brand{font-size:.94rem}.mobile-actions .btn{font-size:.75rem;padding:9px 10px}.navbar{gap:7px;min-height:64px}.page-shell{display:block}.sidebar{margin-top:24px}.grid,.footer-grid{grid-template-columns:1fr}.hero{padding:46px 0}.hero h1{font-size:2.65rem}.sitemap-list{columns:1}.sidebar{display:block}.sidebar .btn{max-width:340px}.footer{margin-top:35px}}
@media(min-width:821px){.site-header{position:sticky;top:0}.sidebar{position:static}}

/* Header CTA visibility fix */
.header-cta,
.header-cta:link,
.header-cta:visited,
.mobile-actions .btn,
.mobile-actions .btn:link,
.mobile-actions .btn:visited {
  background:#2f7467;
  color:#ffffff !important;
  border:2px solid #2f7467;
  text-shadow:none;
}
.header-cta:hover,
.header-cta:focus,
.mobile-actions .btn:hover,
.mobile-actions .btn:focus {
  background:#17312c;
  color:#ffffff !important;
  border-color:#17312c;
}

/* Mobile header: brand + large product CTA only */
@media(max-width:820px){
  .desktop-nav{display:none !important}
  .menu-btn,.mobile-menu{display:none !important}
  .mobile-actions{display:flex !important;margin-left:auto;gap:0}
  .mobile-actions .btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    min-height:44px;
    padding:11px 15px;
    font-size:.82rem;
    font-weight:900;
    white-space:nowrap;
  }
  .navbar{
    min-height:66px;
    display:flex;
    flex-wrap:nowrap;
    justify-content:space-between;
    gap:10px;
  }
  .brand{
    display:block;
    min-width:0;
    overflow:hidden;
    text-overflow:ellipsis;
    white-space:nowrap;
  }
}
@media(max-width:390px){
  .brand{font-size:.84rem}
  .mobile-actions .btn{font-size:.76rem;padding:10px 11px}
}

/* 50%-scroll, once-per-session offer dialog */
.offer-popup[hidden]{display:none}
.offer-popup{position:fixed;inset:0;z-index:1000;display:flex;align-items:center;justify-content:center;padding:20px;background:rgba(13,30,27,.58)}
.offer-popup-card{position:relative;width:min(520px,100%);background:#fff;border-radius:18px;padding:30px;box-shadow:0 24px 80px rgba(0,0,0,.25);border:1px solid #dbe3df}
.offer-popup-card h2{margin:.15rem 0 .7rem;font-size:1.75rem}
.offer-popup-card p{margin:0 0 18px;color:#465b55}
.offer-popup-actions{display:flex;gap:10px;flex-wrap:wrap}
.offer-popup-close{position:absolute;right:13px;top:11px;width:38px;height:38px;border:0;background:transparent;color:#17312c;font-size:26px;cursor:pointer;border-radius:50%}
.offer-popup-close:hover,.offer-popup-close:focus{background:#f0f3f1}
.offer-popup .stay{background:#fff;color:#17312c;border:1px solid #bfcac6}
body.popup-open{overflow:hidden}
@media(max-width:820px){
 .offer-popup-card{padding:26px 20px 22px}
 .offer-popup-actions{display:grid;grid-template-columns:1fr}
 .offer-popup-actions .btn{text-align:center}
}

.article-meta{display:flex;gap:9px;flex-wrap:wrap;margin:12px 0 20px;color:#61716c;font-size:.84rem}.article-meta span{padding:5px 9px;border:1px solid #dbe3df;border-radius:999px;background:#fff}
.takeaways{background:#edf5f2;border:1px solid #c8ded8;border-radius:14px;padding:20px 22px;margin:22px 0}.takeaways h2{font-size:1.15rem;margin:0 0 9px}.takeaways ul{margin:0;padding-left:20px}
.toc{border:1px solid #dbe3df;border-radius:14px;padding:18px 21px;margin:24px 0;background:#fff}.toc strong{display:block;margin-bottom:7px}.toc a{display:block;text-decoration:none;padding:3px 0}
.cluster-nav{border:1px solid #dbe3df;border-radius:14px;padding:20px;margin:28px 0;background:#f6f4ed}.cluster-nav h2{font-size:1.18rem;margin:0 0 10px}.cluster-links{display:flex;flex-wrap:wrap;gap:8px}.cluster-links a{background:#fff;border:1px solid #dbe3df;border-radius:999px;padding:7px 11px;text-decoration:none;font-size:.87rem}
.faq{margin-top:34px}.faq details{border-top:1px solid #dbe3df;padding:13px 0}.faq summary{font-weight:800;cursor:pointer}.faq p{margin:8px 0}.freshness{font-size:.88rem;color:#61716c;border-left:3px solid #d9a96c;padding-left:13px;margin:28px 0}
.decision-path{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin:24px 0}.decision-path div{border:1px solid #dbe3df;border-radius:12px;padding:14px;background:#fff}.decision-path b{display:block;color:#2f7467}
.hub-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.hub-grid a{display:block;border:1px solid #dbe3df;border-radius:12px;padding:16px;text-decoration:none;background:#fff;font-weight:800}
@media(max-width:820px){.decision-path,.hub-grid{grid-template-columns:1fr}}