:root{--navy:#0b1936;--blue:#076bca;--light:#eaf5ff;--line:#dce8f3;--muted:#65758a;--cyan:#08a3eb}*{box-sizing:border-box}body{margin:0;font-family:Inter,Arial,Helvetica,sans-serif;color:var(--navy);background:#f8fbff}a{text-decoration:none;color:inherit}button,input,select,textarea{font:inherit}button{cursor:pointer}header{position:sticky;top:0;background:#fff;z-index:20;border-bottom:1px solid var(--line);box-shadow:0 3px 16px #15375d09}.wrap{max-width:1390px;margin:auto;padding:0 26px}.head{min-height:80px;display:flex;align-items:center;gap:28px}.logo{display:flex;align-items:center;gap:12px;white-space:nowrap}.mark{width:41px;height:41px;border:3px solid var(--navy);border-radius:11px;display:grid;place-items:center;color:var(--blue);font-size:25px;transform:rotate(30deg)}.mark span{transform:rotate(-30deg)}.brand{font-size:23px;font-weight:800;letter-spacing:-.9px}.brand em{font-style:normal;color:var(--blue)}.tag{font-size:9px;letter-spacing:2px;font-weight:700;color:#6c7d90}nav{display:flex;gap:23px;margin:auto}nav a{font-size:14px;font-weight:650}nav a:hover,.textlink{color:var(--blue)}.search{position:relative;display:flex;align-items:center;max-width:290px;flex:1}.search input{width:100%;padding:13px 14px;border:1px solid var(--line);border-radius:7px;background:#fafcff}.cartbtn,.menubtn{border:0;background:transparent;font-size:20px;white-space:nowrap}.menubtn{display:none}.count{display:inline-grid;place-items:center;background:var(--blue);color:white;border-radius:30px;min-width:20px;height:20px;font-size:11px;vertical-align:top}.hero{background:linear-gradient(100deg,#f6fbff 0%,#e4f3ff 58%,#badbfa 100%);overflow:hidden}.hero-inner{display:grid;grid-template-columns:43% 57%;min-height:420px;align-items:center}.eyebrow{color:var(--blue);font-size:12px;font-weight:800;letter-spacing:2px;text-transform:uppercase}.hero h1{font-size:clamp(34px,4vw,58px);letter-spacing:-2px;line-height:1.07;margin:16px 0}.hero h1 span{color:var(--blue)}.hero p{font-size:17px;line-height:1.65;max-width:510px}.hero-art{position:relative;display:flex;justify-content:center;align-items:flex-end;gap:0;min-height:390px;background:radial-gradient(circle at 52% 50%,#fff 0,#b6ddff88 38%,transparent 70%)}.hero-art img{width:25%;max-width:180px;filter:drop-shadow(0 15px 13px #2a5d8766)}.hero-art img:nth-child(even){transform:translateY(17px)}.hero-art:after{content:'';position:absolute;bottom:0;left:5%;width:90%;height:15px;background:#6ba7d33a;filter:blur(10px);border-radius:50%}.btn{border:1px solid var(--blue);background:var(--blue);color:white;border-radius:7px;padding:13px 24px;font-weight:750;display:inline-block}.btn:hover{background:#075aa6}.btn.outline{background:#fff;color:var(--blue)}.btn.outline:hover{background:#edf7ff}.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}.trust{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;padding-top:23px;padding-bottom:23px}.trust>div{display:flex;gap:12px;align-items:center}.trust strong{font-size:13px}.trust small{display:block;color:var(--muted);margin-top:5px}.trust .ico{font-size:28px;color:var(--blue)}section{padding:28px 0}.panel{background:#fff;border:1px solid var(--line);border-radius:10px;padding:22px;margin-bottom:20px}.section-head{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:18px}.section-head h2,h2{margin:0;font-size:26px;letter-spacing:-.7px}.section-head a{font-size:13px;font-weight:750;color:var(--blue)}.categories{display:grid;grid-template-columns:repeat(6,1fr);gap:13px}.category{border-radius:7px;overflow:hidden;min-height:136px;background:linear-gradient(145deg,#06152c,#095da3);position:relative;display:flex;align-items:end;padding:13px;color:white;font-weight:750}.category:before{content:attr(data-icon);position:absolute;right:8px;top:7px;font-size:70px;opacity:.23}.category:hover{filter:brightness(1.13)}.products{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.product{border:1px solid var(--line);background:white;border-radius:9px;padding:16px;text-align:center;display:flex;flex-direction:column;align-items:stretch}.product:hover{box-shadow:0 12px 28px #0c417b18}.product img{height:210px;width:100%;object-fit:contain}.product h3{font-size:15px;margin:7px 0 5px}.muted{color:var(--muted)}.price{font-weight:800;margin:9px 0 14px}.product .btn{margin-top:auto;padding:10px}.ribbon{font-size:11px;color:var(--blue);font-weight:750;letter-spacing:1px}.wide{display:grid;grid-template-columns:1.1fr .9fr;gap:0;background:#081c38;color:white;border-radius:10px;overflow:hidden}.wide>div{padding:42px}.wide .science{background:radial-gradient(circle,#0d7bd6,#062347 65%);display:grid;place-items:center;font-size:110px}.wide p{line-height:1.7;color:#d4e8fa}.footer{background:#07182f;color:#e6f3ff;padding:40px 0 20px;margin-top:40px}.footergrid{display:grid;grid-template-columns:2fr 1fr 1fr 1.4fr;gap:35px}.footer a{display:block;margin:10px 0;color:#c5d9ec;font-size:14px}.footer p{color:#b9cde0;line-height:1.6}.disclaimer{border-top:1px solid #28445f;margin-top:24px;padding-top:18px;color:#b9cde0;font-size:12px}.page-title{padding:45px 0 30px;background:linear-gradient(90deg,#e8f5ff,#fff)}.page-title h1{font-size:38px;margin:8px 0}.crumb{font-size:12px;color:var(--muted)}.filters{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:18px}.filters select,.filters input,.form input,.form textarea{border:1px solid var(--line);padding:12px;border-radius:7px;background:white;max-width:100%}.detail{display:grid;grid-template-columns:1fr 1fr;gap:45px;align-items:start;padding:36px 0}.detail-image{background:linear-gradient(135deg,#f8fcff,#e3f2ff);border:1px solid var(--line);border-radius:12px;text-align:center;padding:30px}.detail-image img{height:430px;max-width:100%;object-fit:contain}.detail h1{font-size:36px;margin:9px 0}.detail p{line-height:1.8}.detail .price{font-size:27px}.qty{width:80px;padding:12px;border:1px solid var(--line);border-radius:7px}.info{border-top:1px solid var(--line);margin-top:30px;padding-top:20px}.cartrow{display:grid;grid-template-columns:75px 1fr 95px 100px 35px;gap:15px;align-items:center;padding:16px 0;border-bottom:1px solid var(--line)}.cartrow img{width:65px;height:80px;object-fit:contain}.cartrow input{width:75px;padding:8px;border:1px solid var(--line);border-radius:6px}.carttotal{font-size:24px;font-weight:800;text-align:right;margin:20px 0}.form{display:grid;gap:13px;max-width:650px}.form label{font-size:13px;font-weight:700;display:grid;gap:6px}.form textarea{min-height:110px}.notice{padding:15px;background:#e9f5ff;border-left:4px solid var(--blue);line-height:1.6;margin:20px 0}.faq details{border-bottom:1px solid var(--line);padding:17px 0}.faq summary{cursor:pointer;font-weight:750}.faq p{line-height:1.7}.empty{padding:60px 0;text-align:center}.toast{position:fixed;right:22px;bottom:22px;background:var(--navy);color:white;padding:15px 20px;border-radius:8px;z-index:40}.hide{display:none!important}@media(max-width:1000px){nav{gap:12px}.brand{font-size:18px}.search{max-width:180px}.categories{grid-template-columns:repeat(3,1fr)}}@media(max-width:720px){.head{flex-wrap:wrap;min-height:65px;gap:12px;padding-top:12px;padding-bottom:12px}.menubtn{display:block}.head nav{display:none;order:4;flex-basis:100%;flex-direction:column;padding:15px}.head nav.open{display:flex}.search{order:5;flex-basis:100%;max-width:none}.hero-inner{grid-template-columns:1fr}.hero-inner>div:first-child{padding:40px 0 0}.hero-art{min-height:240px}.hero-art img{max-width:130px}.trust{grid-template-columns:repeat(2,1fr)}.categories{grid-template-columns:repeat(2,1fr)}.products{grid-template-columns:repeat(2,1fr)}.product img{height:155px}.wide,.detail,.footergrid{grid-template-columns:1fr}.wide>div{padding:25px}.detail-image img{height:300px}.cartrow{grid-template-columns:55px 1fr 70px;gap:8px}.cartrow img{width:50px}.cartrow .price,.cartrow button{grid-column:2}.wrap{padding-left:16px;padding-right:16px}}@media(max-width:370px){.products{grid-template-columns:1fr}.categories{grid-template-columns:1fr}}

/* Homepage imagery refresh v6 */
.hero{background:linear-gradient(105deg,#f7fbff 0%,#eaf6ff 45%,#b8dcf8 100%)}
.hero-art{min-height:445px;gap:8px;align-items:center;background:radial-gradient(ellipse at 53% 52%,#fff 0%,#e5f5ff 49%,transparent 78%)}
.hero-art img{width:22%;max-width:165px;height:300px;object-fit:contain;background:#fff;border-radius:12px;box-shadow:0 15px 34px #164e8526;filter:none;transform:none!important}
.hero-art img:nth-child(2),.hero-art img:nth-child(3){height:325px;max-width:180px}
.category{background-size:cover;background-position:center;min-height:152px;text-shadow:0 2px 5px #001a35;transition:transform .2s ease,filter .2s ease}
.category:before{display:none}.category:hover{transform:translateY(-3px)}
.product img{height:245px;object-fit:contain;background:#fff;border-radius:6px}
.product a{display:block;width:100%}
@media(max-width:720px){.hero-art{min-height:245px;gap:4px}.hero-art img{height:170px!important;width:24%;border-radius:6px}.category{min-height:125px}.product img{height:175px}}

/* V9 selectable variants and checkout */
.purchase-box{background:#fff;border:1px solid #dce8f3;border-radius:15px;padding:24px;box-shadow:0 10px 35px #12436c10;margin:20px 0}.purchase-box h2{font-size:22px;margin:0 0 7px}.purchase-box label{display:block;font-size:13px;font-weight:800;margin:17px 0 8px}.purchase-box select,.checkout-grid select{width:100%;border:1px solid #caddeb;border-radius:9px;padding:14px;background:#fff;color:#0b1936}.purchase-actions{display:flex;align-items:stretch;gap:14px;flex-wrap:wrap}.stepper{display:flex;border:1px solid #caddeb;border-radius:9px;overflow:hidden;background:#fff}.stepper button{width:42px;border:0;background:#eef7ff;font-size:22px;color:#0b1936}.stepper input{width:58px;border:0;text-align:center;font-weight:750;appearance:textfield}.purchase-actions>.btn{flex:1;min-width:190px}.purchase-box .btn:disabled{opacity:.55;cursor:not-allowed}.small{font-size:12px!important;line-height:1.6!important}.reference-price{display:block;font-size:11px;color:#65758a;font-weight:500}.checkout-grid{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(280px,.8fr);gap:20px;padding-top:32px}.checkout-grid .panel{align-self:start}.order-line{display:flex;gap:12px;align-items:center;border-bottom:1px solid #dce8f3;padding:12px 0}.order-line img{width:56px;height:72px;object-fit:contain}.order-line small{display:block;color:#65758a;margin-top:6px}.cartrow button{border:0;background:#f0f7ff;border-radius:8px;font-size:23px}.checkout-grid .form{margin-top:22px}@media(max-width:720px){.checkout-grid{grid-template-columns:1fr}.purchase-box{padding:17px}}

.editorial-content{max-width:1080px;margin:48px auto;padding:32px 38px;background:#fff;border:1px solid #e5ebf4;border-radius:18px;line-height:1.85;color:#35465f}.editorial-content h2{font-size:clamp(1.3rem,2vw,1.7rem);color:#122c52;margin:30px 0 10px}.editorial-content h2:first-child{margin-top:0}.editorial-content p{margin:0 0 18px}.editorial-content a{color:#1461b5;text-decoration:underline;text-underline-offset:3px}.editorial-content ul{columns:2;padding-left:24px}.editorial-content li{break-inside:avoid;margin-bottom:9px}@media(max-width:700px){.editorial-content{padding:22px 18px}.editorial-content ul{columns:1}}

/* V13 expanded hub editorial */
.hub-guide .hub-eyebrow{font-size:12px;letter-spacing:.14em;font-weight:800;color:#1765b7;margin-bottom:10px}.hub-guide .hub-intro{font-size:1.08rem;color:#334b69}.hub-toc{display:flex;flex-wrap:wrap;align-items:center;gap:12px 18px;background:#f2f7fd;border:1px solid #dce8f5;border-radius:12px;padding:16px 20px;margin:26px 0}.hub-toc strong{width:100%;color:#16365c}.hub-toc a{font-weight:600}.hub-guide .hub-product-links{columns:2;column-gap:36px}.hub-guide .hub-product-links li{break-inside:avoid}.hub-faq details{padding:14px 0;border-bottom:1px solid #dce6f0}.hub-faq summary{font-weight:700;cursor:pointer;color:#183e6a}.hub-faq details p{margin:10px 0}.hub-disclaimer{background:#f6f8fb;border-left:4px solid #2b6cb0;padding:16px 20px;border-radius:4px}@media(max-width:700px){.hub-guide .hub-product-links{columns:1}}