:root{
  --ink:#102b36; --ink2:#214451; --teal:#3a8ea0; --teal2:#72bdca; --ice:#eaf7f9;
  --mist:#f7fbfc; --white:#fff; --line:#cfe5ea; --muted:#607681; --gold:#d7b46a;
  --shadow:0 18px 50px rgba(16,43,54,.12); --radius:24px; --max:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;color:var(--ink);background:linear-gradient(180deg,#fff 0,#f8fcfd 45%,#fff 100%);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.7}
img{max-width:100%;height:auto}
a{color:#176c7c;text-decoration-thickness:.08em;text-underline-offset:.15em}
a:hover{color:#0d4d59}
.container{width:min(var(--max),calc(100% - 36px));margin:auto}
.skip-link{position:absolute;left:-9999px;top:auto}.skip-link:focus{left:18px;top:18px;background:white;padding:12px 16px;z-index:9999;border-radius:10px}
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.94);backdrop-filter:blur(16px);border-bottom:1px solid rgba(207,229,234,.9)}
.header-row{display:flex;align-items:center;gap:24px;min-height:76px}
.brand{display:flex;align-items:center;gap:11px;text-decoration:none;color:var(--ink);font-weight:850;letter-spacing:-.025em;font-size:1.14rem;white-space:nowrap}
.brand svg{width:35px;height:35px;flex:none}
.site-nav{display:flex;align-items:center;gap:20px;margin-left:auto}
.site-nav a{color:var(--ink2);font-size:.94rem;font-weight:720;text-decoration:none}
.site-nav a:hover{color:#176c7c}
.nav-cta,.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;padding:13px 20px;font-weight:820;text-decoration:none;border:1px solid transparent;transition:.2s ease;cursor:pointer}
.nav-cta,.btn-primary{background:linear-gradient(135deg,var(--ink),#235d6f);color:#fff!important;box-shadow:0 8px 26px rgba(16,43,54,.17)}
.nav-cta:hover,.btn-primary:hover{transform:translateY(-1px);box-shadow:0 12px 32px rgba(16,43,54,.24)}
.btn-secondary{background:white;border-color:var(--line);color:var(--ink)!important}
.menu-btn{display:none;margin-left:auto;background:white;border:1px solid var(--line);border-radius:12px;padding:9px 11px;font-weight:800}
.breadcrumbs{font-size:.86rem;color:var(--muted);padding:18px 0 0}
.breadcrumbs a{color:var(--muted);text-decoration:none}
.hero{position:relative;overflow:hidden;padding:72px 0 58px;background:
radial-gradient(circle at 82% 15%,rgba(114,189,202,.32),transparent 30%),
linear-gradient(180deg,#f3fbfc,#fff)}
.hero:after{content:"";position:absolute;right:-8%;bottom:-26%;width:56%;height:72%;border:2px solid rgba(58,142,160,.13);border-radius:50% 50% 0 0;transform:rotate(-7deg);pointer-events:none}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.06fr) minmax(330px,.94fr);gap:44px;align-items:center}
.kicker{display:inline-flex;align-items:center;gap:8px;font-size:.78rem;text-transform:uppercase;letter-spacing:.12em;font-weight:850;color:#1e6f7d;background:#e7f6f8;border:1px solid #cbe8ed;border-radius:999px;padding:7px 11px}
h1,h2,h3{line-height:1.13;letter-spacing:-.035em;color:var(--ink)}
h1{font-size:clamp(2.45rem,5.8vw,5.2rem);margin:.32em 0 .24em;max-width:900px}
h2{font-size:clamp(1.72rem,3.2vw,2.8rem);margin:1.5em 0 .5em}
h3{font-size:1.24rem;margin:1.35em 0 .4em}
.lead{font-size:clamp(1.05rem,1.5vw,1.25rem);color:#365b68;max-width:760px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}
.trust-strip{display:flex;gap:9px;flex-wrap:wrap;margin-top:22px}
.trust-strip span{font-size:.86rem;font-weight:730;border:1px solid var(--line);background:white;border-radius:999px;padding:8px 11px}
.hero-product{position:relative;text-align:center}
.hero-product img{width:min(620px,100%);filter:drop-shadow(0 26px 28px rgba(16,43,54,.17));transition:.25s}
.hero-product a:hover img{transform:translateY(-4px) scale(1.01)}
.offer-note{font-size:.86rem;color:var(--muted);margin-top:6px}
.section{padding:58px 0}
.section-tight{padding:34px 0}
.content-grid{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:44px;align-items:start}
.article{max-width:800px;min-width:0}
.article p{margin:0 0 1.1em}
.article ul,.article ol{padding-left:1.25em}
.article li{margin:.45em 0}
.article table{width:100%;max-width:100%;border-collapse:collapse;margin:24px 0;border:1px solid var(--line);background:white;border-radius:16px;overflow:hidden;display:block;overflow-x:auto}
.article th,.article td{padding:13px 14px;text-align:left;border-bottom:1px solid var(--line);min-width:150px;vertical-align:top}
.article th{background:#edf8fa;font-size:.88rem}
.article tr:last-child td{border-bottom:0}
.notice{border:1px solid #c9e4e9;background:#f2fbfc;padding:18px 19px;border-radius:18px;margin:22px 0}
.notice strong{display:block;margin-bottom:4px}
.disclosure{border-left:4px solid var(--teal);padding:12px 16px;background:#f6fbfc;border-radius:0 14px 14px 0;font-size:.92rem;color:#405f69}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:0 10px 30px rgba(16,43,54,.055)}
.card h3{margin-top:0}
.card p:last-child{margin-bottom:0}
.card-link{display:block;text-decoration:none;color:inherit;transition:.2s}
.card-link:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.pill{display:inline-block;padding:5px 9px;border-radius:999px;background:#e8f7f9;color:#176575;font-weight:800;font-size:.76rem}
.sidebar{position:sticky;top:98px}
.side-card{background:linear-gradient(180deg,#123745,#1d6070);color:white;border-radius:26px;padding:24px;box-shadow:var(--shadow)}
.side-card h3{color:white;margin-top:0}
.side-card p{color:#d9eef2}
.side-card img{width:100%;margin:-8px 0 2px}
.side-card .btn{width:100%;background:white;color:var(--ink)!important}
.side-card small{display:block;color:#c1dde3;margin-top:9px}
.quick-facts{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin:20px 0}
.quick-facts div{background:#f0f9fa;border:1px solid var(--line);border-radius:15px;padding:12px}
.quick-facts b{display:block;font-size:.78rem;text-transform:uppercase;letter-spacing:.06em;color:#55727c}
.toc{background:white;border:1px solid var(--line);border-radius:18px;padding:18px;margin:22px 0}
.toc b{display:block;margin-bottom:7px}.toc a{display:block;padding:4px 0;text-decoration:none;font-size:.92rem}
.offer-band{background:linear-gradient(135deg,#102f3b,#226a78);color:white;border-radius:32px;padding:34px;display:grid;grid-template-columns:260px 1fr;gap:30px;align-items:center;box-shadow:var(--shadow)}
.offer-band img{max-height:240px;object-fit:contain}
.offer-band h2{color:white;margin:0 0 10px}
.offer-band p{color:#d8eef2}
.offer-band .btn-primary{background:white;color:var(--ink)!important}
.offer-band .mini{font-size:.84rem;color:#badbe1}
.comparison-callout{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:24px 0}
.choice{border:1px solid var(--line);background:white;border-radius:18px;padding:18px}
.choice h3{margin-top:0}
.faq details{border-top:1px solid var(--line);padding:16px 0}
.faq details:last-child{border-bottom:1px solid var(--line)}
.faq summary{font-weight:800;cursor:pointer}
.source-list li{margin-bottom:.9em}
.site-footer{margin-top:56px;background:#0e2934;color:#cce1e6;padding:44px 0 24px}
.footer-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:34px}
.site-footer h3{color:white;margin-top:0}
.site-footer a{color:#d9f1f5}
.footer-small{border-top:1px solid rgba(255,255,255,.13);margin-top:28px;padding-top:20px;font-size:.82rem;color:#9dbac2}
.overlay{position:fixed;inset:0;z-index:1000;background:rgba(6,24,30,.86);backdrop-filter:blur(10px);display:none;align-items:center;justify-content:center;padding:18px}
.overlay.is-open{display:flex}
.overlay-panel{width:min(940px,100%);max-height:94vh;overflow:auto;background:linear-gradient(150deg,#f8feff,#e8f7f9);border:1px solid rgba(255,255,255,.7);border-radius:30px;box-shadow:0 30px 90px rgba(0,0,0,.38);position:relative}
.overlay-grid{display:grid;grid-template-columns:.92fr 1.08fr;align-items:center}
.overlay-media{padding:28px;background:radial-gradient(circle at 50% 42%,white 0,rgba(255,255,255,.7) 36%,transparent 70%)}
.overlay-copy{padding:42px 42px 42px 10px}
.overlay-copy h2{font-size:clamp(2rem,4vw,3.5rem);margin:.25em 0}
.overlay-close{position:absolute;right:16px;top:14px;width:42px;height:42px;border:1px solid var(--line);border-radius:50%;background:white;font-size:1.5rem;cursor:pointer;z-index:2}
.overlay-points{display:flex;gap:8px;flex-wrap:wrap;margin:16px 0 24px}
.overlay-points span{background:white;border:1px solid var(--line);border-radius:999px;padding:7px 10px;font-size:.82rem;font-weight:750}
.overlay .btn{font-size:1.02rem;padding:15px 24px}
.muted{color:var(--muted)} .small{font-size:.88rem}.center{text-align:center}
.tag-row{display:flex;gap:8px;flex-wrap:wrap;margin:18px 0}
.tag{background:#eef8fa;border:1px solid var(--line);border-radius:999px;padding:5px 10px;font-size:.8rem;font-weight:750}
@media(max-width:900px){
  .hero{padding-top:48px}.hero-grid,.content-grid,.offer-band,.overlay-grid{grid-template-columns:1fr}
  .hero-product{order:-1}.hero-product img{max-height:420px;object-fit:contain}
  .sidebar{position:static}.cards{grid-template-columns:1fr 1fr}
  .offer-band{text-align:center}.offer-band img{margin:auto}.overlay-copy{padding:10px 26px 34px}
  .overlay-media{padding:10px 25px 0}.overlay-media img{max-height:290px;object-fit:contain}
}
@media(max-width:760px){
  .header-row{min-height:68px}.menu-btn{display:block}
  .js .site-nav{display:none;position:absolute;left:18px;right:18px;top:72px;background:white;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);padding:16px;flex-direction:column;align-items:stretch}
  .js .site-nav.is-open{display:flex}.site-nav a{padding:7px 4px}.nav-cta{width:100%}
  h1{font-size:clamp(2.3rem,11vw,3.65rem)}
  .section{padding:42px 0}.cards,.comparison-callout,.footer-grid{grid-template-columns:1fr}
  .container{width:min(var(--max),calc(100% - 28px))}
  .hero-actions .btn{width:100%}.quick-facts{grid-template-columns:1fr}
  .offer-band{padding:24px}.overlay{padding:8px}.overlay-panel{border-radius:22px}
}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}