:root{
 --ink:#17202E; --soft:#566077; --paper:#F5F8FC; --paper2:#E9F0F8; --card:#FFFFFF;
 --panel:#EAF1FA; --navy:#1B3A6B; --navyd:#13294B; --blue:#2F6FC0; --blued:#23579C;
 --amber:#E8A23D; --amberd:#C9842A; --green:#1F9D6B; --greend:#16805A; --red:#C0432F;
 --teal:#2E8C9E; --slate:#3E5170; --line:#D7E0EC;
 --wrap:1140px; --r:16px; --sh:0 1px 2px rgba(19,41,75,.06),0 8px 28px rgba(19,41,75,.07);
 --shls:0 1px 2px rgba(19,41,75,.05);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:'Lora',Georgia,serif;color:var(--ink);background:var(--paper);line-height:1.72;font-size:18px;-webkit-font-smoothing:antialiased}
h1,h2,h3,h4,.brand-name,.kicker,.btn,nav,.pri,.score-badge,.prod h4,.gcard h3,label,select,.eyebrow{font-family:'Libre Franklin',system-ui,sans-serif}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 22px}
a{color:var(--blued);text-decoration:none}
a:hover{text-decoration:underline}
img,svg{max-width:100%}
.skip{position:absolute;left:-999px;top:0;background:var(--navy);color:#fff;padding:10px 16px;z-index:200;border-radius:0 0 8px 0}
.skip:focus{left:0}

/* header */
.site-head{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.94);backdrop-filter:saturate(160%) blur(10px);border-bottom:1px solid var(--line)}
.head-row{display:flex;align-items:center;justify-content:space-between;min-height:68px;gap:18px}
.brand{display:flex;align-items:center;gap:11px;font-weight:800;color:var(--navyd)}
.brand:hover{text-decoration:none}
.logo-mark{flex:0 0 auto;display:block}
.brand-name{font-size:20px;letter-spacing:-.01em;color:var(--navyd)}
.brand-name b{color:var(--amberd);font-weight:800}
.site-nav ul{display:flex;gap:6px;list-style:none;margin:0;padding:0}
.site-nav a{display:inline-block;padding:9px 13px;border-radius:9px;color:var(--ink);font-weight:600;font-size:15px}
.site-nav a:hover{background:var(--panel);text-decoration:none;color:var(--navyd)}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:10px}
.nav-toggle span{width:24px;height:2.5px;background:var(--navy);border-radius:2px;transition:.25s}

/* buttons */
.btn{display:inline-block;background:var(--amber);color:var(--navyd);font-weight:800;border:0;border-radius:11px;
 padding:14px 24px;font-size:16px;cursor:pointer;box-shadow:0 2px 0 var(--amberd);transition:transform .12s,box-shadow .12s;text-align:center}
.btn:hover{text-decoration:none;transform:translateY(-1px);box-shadow:0 4px 14px rgba(201,132,42,.35)}
.btn.ghost{background:#fff;color:var(--navyd);border:1.6px solid var(--line);box-shadow:none}
.btn.ghost:hover{border-color:var(--blue);box-shadow:none}
.btn.sm{padding:10px 16px;font-size:14px}
.btn.blue{background:var(--blue);color:#fff;box-shadow:0 2px 0 var(--blued)}

/* hero */
.hero{background:linear-gradient(168deg,#fff 0%,var(--paper2) 100%);border-bottom:1px solid var(--line)}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;padding:64px 0 56px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;background:var(--panel);color:var(--navyd);font-weight:700;
 font-size:13px;letter-spacing:.04em;text-transform:uppercase;padding:7px 14px;border-radius:999px;border:1px solid var(--line)}
.hero h1{font-size:clamp(2.1rem,4.6vw,3.35rem);line-height:1.06;margin:18px 0 0;color:var(--navyd);letter-spacing:-.02em;font-weight:800}
.hero p.sub{font-size:1.22rem;color:var(--slate);margin:18px 0 26px;max-width:38ch}
.hero-cta{display:flex;gap:13px;flex-wrap:wrap}
.hero-art .ill{border-radius:var(--r);box-shadow:var(--sh);width:100%;height:auto;background:#fff}
.trust-bar{display:flex;gap:26px;flex-wrap:wrap;padding:16px 0 0;margin-top:26px;border-top:1px solid var(--line)}
.trust-bar div{display:flex;align-items:center;gap:9px;font-family:'Libre Franklin',sans-serif;font-weight:600;font-size:14px;color:var(--slate)}
.trust-bar svg{flex:0 0 auto}

/* sections */
section.band{padding:62px 0}
section.alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{max-width:680px;margin:0 auto 38px;text-align:center}
.sec-head h2{font-size:clamp(1.7rem,3vw,2.3rem);color:var(--navyd);margin:0 0 12px;letter-spacing:-.01em;font-weight:800}
.sec-head p{color:var(--slate);font-size:1.08rem;margin:0}
h2,h3{letter-spacing:-.01em}

/* feature cards */
.feat{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.fcard{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:26px 24px;box-shadow:var(--shls)}
.fcard .fic{width:52px;height:52px;border-radius:13px;background:var(--panel);display:flex;align-items:center;justify-content:center;margin-bottom:15px}
.fcard h3{margin:0 0 8px;font-size:1.2rem;color:var(--navyd)}
.fcard p{margin:0;color:var(--slate);font-size:1rem}

/* guide grid */
.guide-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.gcard{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;box-shadow:var(--shls);transition:transform .14s,box-shadow .14s}
.gcard:hover{transform:translateY(-3px);box-shadow:var(--sh);text-decoration:none}
.gcard-img{aspect-ratio:16/10;background:var(--panel);border-bottom:1px solid var(--line);overflow:hidden}
.gcard-img .ill{width:100%;height:100%;object-fit:cover;display:block;border-radius:0}
.gcard-body{padding:19px 20px 22px;display:flex;flex-direction:column;flex:1}
.gcard .tag{font-family:'Libre Franklin',sans-serif;font-size:12px;font-weight:700;letter-spacing:.05em;text-transform:uppercase;color:var(--blue)}
.gcard h3{margin:8px 0 7px;font-size:1.16rem;line-height:1.28;color:var(--navyd)}
.gcard p{margin:0;color:var(--slate);font-size:.97rem;flex:1}
.gcard .more{margin-top:14px;font-family:'Libre Franklin',sans-serif;font-weight:700;color:var(--blued);font-size:.95rem}

/* page head (interior) */
.page-head{background:linear-gradient(168deg,#fff,var(--paper2));border-bottom:1px solid var(--line);padding:42px 0 38px}
.crumbs{font-family:'Libre Franklin',sans-serif;font-size:13px;color:var(--soft);margin-bottom:14px}
.crumbs a{color:var(--blued)}
.page-head h1{font-size:clamp(1.9rem,3.8vw,2.7rem);color:var(--navyd);margin:0;line-height:1.12;max-width:22ch;font-weight:800}
.page-head p.dek{color:var(--slate);font-size:1.16rem;margin:16px 0 0;max-width:60ch}
.meta-line{font-family:'Libre Franklin',sans-serif;font-size:13.5px;color:var(--soft);margin-top:16px}

/* article */
.article{max-width:760px;margin:0 auto;padding:46px 22px 60px}
.article .lead{font-size:1.3rem;line-height:1.6;color:var(--navyd);font-weight:500;margin:0 0 28px}
.article h2{font-size:1.62rem;color:var(--navyd);margin:42px 0 14px;padding-top:8px}
.article h3{font-size:1.26rem;color:var(--navyd);margin:30px 0 10px}
.article p{margin:0 0 18px}
.article ul,.article ol{margin:0 0 20px;padding-left:24px}
.article li{margin:0 0 10px}
.article a{text-decoration:underline;text-underline-offset:2px;text-decoration-color:rgba(47,111,192,.4)}
.ill-fig{margin:30px 0;text-align:center}
.ill-fig .ill{border-radius:14px;box-shadow:var(--sh);background:#fff;width:100%;height:auto}
.ill-fig figcaption{font-family:'Libre Franklin',sans-serif;font-size:.9rem;color:var(--soft);margin-top:11px;line-height:1.5}

/* callout */
.callout{display:flex;gap:14px;flex-direction:column;border-radius:14px;padding:20px 22px;margin:26px 0;font-size:1.02rem;border:1px solid var(--line);background:var(--panel)}
.callout .callout-t{font-family:'Libre Franklin',sans-serif;font-weight:800;color:var(--navyd)}
.callout.tip{background:#EAF6F0;border-color:#BFE5D3}
.callout.tip .callout-t{color:var(--greend)}
.callout.warn{background:#FCF1EC;border-color:#F2CDBF}
.callout.warn .callout-t{color:#A53A28}

/* tool */
.tool-section{padding:30px 0 8px}
.tool{background:var(--navyd);color:#fff;border-radius:22px;padding:36px;box-shadow:0 18px 50px rgba(19,41,75,.28);position:relative;overflow:hidden}
.tool:before{content:"";position:absolute;inset:0;background:radial-gradient(900px 300px at 80% -10%,rgba(47,111,192,.35),transparent)}
.tool>*{position:relative}
.tool .kicker{color:var(--amber);font-size:12.5px;font-weight:700;letter-spacing:.05em;text-transform:uppercase}
.tool h2{color:#fff;margin:10px 0 8px;font-size:clamp(1.5rem,2.6vw,2rem)}
.tool-sub{color:#cdd9ec;margin:0 0 22px;max-width:62ch}
.form2{display:grid;grid-template-columns:1fr 1fr;gap:14px 18px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.13);border-radius:16px;padding:22px}
.field{display:flex;flex-direction:column;gap:7px}
.field label{font-size:14px;font-weight:600;color:#dce6f4}
.select-wrap{position:relative}
.select-wrap:after{content:"";position:absolute;right:14px;top:50%;width:9px;height:9px;border-right:2px solid var(--navy);border-bottom:2px solid var(--navy);transform:translateY(-65%) rotate(45deg);pointer-events:none}
.form2 select{width:100%;appearance:none;background:#fff;border:0;border-radius:10px;padding:12px 34px 12px 13px;font-size:15px;color:var(--ink);font-weight:600;cursor:pointer}
.check-field{justify-content:center}
.cbx{flex-direction:row;align-items:center;gap:10px;display:flex;cursor:pointer;background:rgba(255,255,255,.05);padding:11px 13px;border-radius:10px;border:1px solid rgba(255,255,255,.1);font-weight:500;color:#eaf0f8;font-size:14.5px}
.cbx input{width:18px;height:18px;accent-color:var(--amber);cursor:pointer}
.form2 .btn{grid-column:1/-1;margin-top:4px}
.results{display:none;margin-top:22px;background:#fff;color:var(--ink);border-radius:16px;padding:26px}
.results.show{display:block;animation:fade .4s ease}
@keyframes fade{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.score-row{display:flex;align-items:center;gap:18px;border-bottom:1px solid var(--line);padding-bottom:18px;margin-bottom:6px}
.score-badge{flex:0 0 auto;min-width:104px;text-align:center;font-weight:800;font-size:1.05rem;padding:16px 12px;border-radius:13px;background:var(--panel);color:var(--navyd)}
.score-badge.sb-red{background:#FCEAE5;color:#A53A28}
.score-badge.sb-amber{background:#FBF0DC;color:var(--amberd)}
.score-badge.sb-green{background:#E5F4EC;color:var(--greend)}
.score-k{font-family:'Libre Franklin',sans-serif;font-weight:800;color:var(--navyd);font-size:1.05rem}
.score-sub{color:var(--slate);font-size:.98rem;margin-top:3px}
ul.check{list-style:none;margin:18px 0 0;padding:0}
ul.check li{display:flex;gap:13px;align-items:flex-start;padding:13px 0;border-bottom:1px dashed var(--line);font-size:1.01rem}
ul.check li:last-child{border-bottom:0}
.pri{flex:0 0 auto;font-family:'Libre Franklin',sans-serif;font-size:11.5px;font-weight:800;letter-spacing:.03em;text-transform:uppercase;padding:5px 9px;border-radius:7px;margin-top:2px}
.pri-high{background:#FCEAE5;color:#A53A28}.pri-med{background:#FBF0DC;color:var(--amberd)}.pri-low{background:#E9F0F8;color:var(--blued)}
.tool-actions{margin-top:18px}
.calc-disc{font-family:'Libre Franklin',sans-serif;font-size:12.5px;color:var(--soft);margin:16px 0 0;line-height:1.55;border-top:1px solid var(--line);padding-top:14px}

/* products */
.prod-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin:24px 0}
.prod{display:flex;gap:15px;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px;box-shadow:var(--shls)}
.prod-ic{flex:0 0 auto;width:58px;height:58px;border-radius:13px;background:var(--panel);display:flex;align-items:center;justify-content:center}
.prod-body h4{margin:0 0 5px;font-size:1.06rem;color:var(--navyd)}
.prod-why{margin:0 0 10px;font-size:.95rem;color:var(--slate);line-height:1.55}
.prod-meta{margin:0;font-size:.92rem}
.prod-price{font-family:'Libre Franklin',sans-serif;font-weight:800;color:var(--greend);margin-right:6px}
.aff-btn{display:inline-block;font-family:'Libre Franklin',sans-serif;font-weight:700;color:var(--blued);font-size:.93rem}
.paid{font-family:'Libre Franklin',sans-serif;font-size:11.5px;color:var(--soft)}
.shop-group{margin:38px 0}
.shop-group h2{font-size:1.5rem;color:var(--navyd);border-bottom:2px solid var(--panel);padding-bottom:8px}
.disclosure{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:20px 22px;margin:24px 0;font-size:.98rem;color:var(--slate)}
.disclosure b{color:var(--navyd);font-family:'Libre Franklin',sans-serif}

/* FAQ */
.faq{max-width:760px;margin:0 auto;padding:8px 22px 56px}
.faq h2{font-size:1.62rem;color:var(--navyd);margin:0 0 18px}
.faq details{background:#fff;border:1px solid var(--line);border-radius:12px;margin:0 0 12px;box-shadow:var(--shls)}
.faq summary{cursor:pointer;padding:17px 20px;font-family:'Libre Franklin',sans-serif;font-weight:700;color:var(--navyd);font-size:1.06rem;list-style:none;display:flex;justify-content:space-between;gap:14px;align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary:after{content:"+";font-size:1.4rem;color:var(--blue);flex:0 0 auto;transition:transform .2s}
.faq details[open] summary:after{transform:rotate(45deg)}
.faq details>div{padding:0 20px 18px;color:var(--slate)}

/* related + cta */
.related{background:#fff;border-top:1px solid var(--line);padding:48px 0}
.related h2{text-align:center;font-size:1.5rem;color:var(--navyd);margin:0 0 26px}
.cta{background:linear-gradient(160deg,var(--navy),var(--navyd));color:#fff;border-radius:22px;padding:44px;text-align:center;margin:8px auto;max-width:var(--wrap)}
.cta h2{color:#fff;font-size:clamp(1.5rem,2.6vw,2rem);margin:0 0 10px}
.cta p{color:#cdd9ec;margin:0 auto 22px;max-width:54ch;font-size:1.08rem}
.cta .btn{font-size:1.05rem}

/* legal/prose */
.prose{max-width:760px;margin:0 auto;padding:42px 22px 60px}
.prose h2{font-size:1.5rem;color:var(--navyd);margin:34px 0 12px}
.prose h3{font-size:1.18rem;color:var(--navyd);margin:24px 0 8px}
.prose p,.prose li{color:var(--ink)}
.prose ul{padding-left:22px}
.prose a{text-decoration:underline}

/* footer */
.site-foot{background:var(--navyd);color:#c6d2e4;padding:54px 0 0;margin-top:20px}
.foot-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.1fr;gap:34px;padding-bottom:38px}
.foot-brand .brand-name{color:#fff;font-size:19px;display:inline-block;margin:10px 0 0;vertical-align:middle}
.foot-brand .logo-mark{vertical-align:middle}
.foot-brand .brand-name b{color:var(--amber)}
.foot-brand p{font-family:'Libre Franklin',sans-serif;font-size:14px;line-height:1.65;margin:14px 0 0;color:#aebcd2;max-width:42ch}
.foot-brand .disc-eng{font-size:12.5px;color:#8fa0bb}
.foot-brand .amz{font-size:12.5px;color:#8fa0bb;font-style:italic}
.foot-col h3{font-family:'Libre Franklin',sans-serif;color:#fff;font-size:14px;letter-spacing:.04em;text-transform:uppercase;margin:4px 0 14px}
.foot-col ul{list-style:none;margin:0;padding:0}
.foot-col li{margin:0 0 10px}
.foot-col a{color:#c6d2e4;font-family:'Libre Franklin',sans-serif;font-size:14.5px}
.foot-col a:hover{color:#fff}
.foot-bar{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;border-top:1px solid rgba(255,255,255,.12);padding:18px 22px;font-family:'Libre Franklin',sans-serif;font-size:13px;color:#8fa0bb}

/* to-top */
.to-top{position:fixed;right:20px;bottom:20px;width:46px;height:46px;border-radius:50%;border:0;background:var(--navy);color:#fff;font-size:20px;cursor:pointer;box-shadow:0 6px 20px rgba(19,41,75,.4);opacity:0;visibility:hidden;transform:translateY(10px);transition:.25s;z-index:90}
.to-top.show{opacity:1;visibility:visible;transform:none}
.to-top:hover{background:var(--blued)}

/* responsive */
@media(max-width:920px){
 .hero-grid{grid-template-columns:1fr;gap:30px;padding:46px 0 40px}
 .hero-art{order:-1;max-width:460px}
 .hero p.sub{max-width:none}
 .feat,.guide-grid{grid-template-columns:repeat(2,1fr)}
 .foot-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media(max-width:760px){
 body{font-size:17px}
 .nav-toggle{display:flex}
 .site-nav{position:fixed;inset:68px 0 auto 0;background:#fff;border-bottom:1px solid var(--line);
  transform:translateY(-120%);transition:transform .28s;box-shadow:var(--sh);max-height:calc(100vh - 68px);overflow:auto}
 body.nav-open .site-nav{transform:none}
 .site-nav ul{flex-direction:column;gap:0;padding:8px}
 .site-nav a{display:block;padding:14px 16px;border-radius:10px;font-size:16px}
 body.nav-open .nav-toggle span:nth-child(1){transform:translateY(7.5px) rotate(45deg)}
 body.nav-open .nav-toggle span:nth-child(2){opacity:0}
 body.nav-open .nav-toggle span:nth-child(3){transform:translateY(-7.5px) rotate(-45deg)}
 .form2,.prod-grid{grid-template-columns:1fr}
 .tool{padding:24px 20px;border-radius:18px}
 .feat,.guide-grid{grid-template-columns:1fr}
 .foot-grid{grid-template-columns:1fr 1fr}
 .cta{padding:32px 22px;border-radius:18px}
 .score-row{flex-direction:column;align-items:flex-start;gap:12px}
 section.band{padding:46px 0}
}
@media(max-width:430px){
 .foot-grid{grid-template-columns:1fr}
 .hero-cta{flex-direction:column}
 .hero-cta .btn{width:100%}
 .trust-bar{gap:14px}
}