@import url('https://fonts.googleapis.com/css2?family=Barlow:wght@400;500;600;700&family=Barlow+Condensed:wght@500;600;700&display=swap');
:root{--navy:#07131c;--navy2:#0b202b;--ink:#13242d;--teal:#13a99a;--teal2:#0b8278;--gold:#d8b86a;--mist:#f3f7f8;--line:#dbe4e7;--muted:#61727a;--white:#fff;--shadow:0 18px 50px rgba(8,25,34,.10)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);font-family:Barlow,Arial,sans-serif;background:#fff;line-height:1.6}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}.site-header{position:sticky;top:0;z-index:50;background:rgba(7,19,28,.97);border-bottom:1px solid rgba(255,255,255,.09);backdrop-filter:blur(12px)}.nav-wrap{max-width:1240px;margin:auto;padding:12px 24px;display:flex;align-items:center;gap:26px}.brand{display:flex;align-items:center;gap:11px;color:#fff;font-family:'Barlow Condensed';font-weight:700;font-size:22px;letter-spacing:.02em;white-space:nowrap}.brand img{width:43px;height:43px;border-radius:50%;object-fit:cover}.brand b{color:#3ed0c1}.site-header nav{margin-left:auto;display:flex;align-items:center;gap:4px}.nav-link{padding:10px 11px;color:#d7e3e7;font-size:13px;font-weight:600;letter-spacing:.08em;text-transform:uppercase}.nav-link:hover,.nav-link.active{color:#3ed0c1}.nav-product{position:relative}.dropdown{position:absolute;top:100%;left:0;width:260px;padding:9px;background:#0b202b;border:1px solid rgba(255,255,255,.1);border-radius:8px;box-shadow:var(--shadow);opacity:0;visibility:hidden;transform:translateY(5px);transition:.18s}.nav-product:hover .dropdown{opacity:1;visibility:visible;transform:none}.dropdown a{display:block;padding:9px 11px;border-radius:5px;color:#dbe7e9;font-size:14px}.dropdown a:hover{background:#123440;color:#4bd0c1}.quote-btn{display:inline-block;background:var(--teal);color:#fff;padding:12px 19px;border-radius:4px;font-size:13px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;box-shadow:0 7px 20px rgba(19,169,154,.18)}.quote-btn:hover{background:#18bbaa}.quote-btn.small{margin-left:9px;padding:10px 15px}.menu{display:none;margin-left:auto;border:0;background:none;color:#fff;font-size:26px}.hero{position:relative;min-height:610px;display:flex;align-items:center;background:var(--navy);overflow:hidden}.hero-bg{position:absolute;inset:0;background-image:linear-gradient(90deg,rgba(7,19,28,.94) 0%,rgba(7,19,28,.84) 43%,rgba(7,19,28,.30) 100%),url('assets/storvanta-hero.jpg');background-size:cover;background-position:center}.hero-inner{position:relative;max-width:1240px;width:100%;margin:auto;padding:88px 24px}.eyebrow{color:#46d2c3;font-size:13px;font-weight:700;letter-spacing:.24em;text-transform:uppercase}.hero h1,.page-head h1{font-family:'Barlow Condensed';text-transform:uppercase;color:#fff;font-size:clamp(46px,6vw,78px);line-height:.96;max-width:820px;margin:18px 0}.hero p{max-width:650px;color:#d6e1e4;font-size:18px;margin:0 0 9px}.hero .sub{font-size:15px;color:#aebfc5}.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}.outline{display:inline-block;border:1px solid rgba(255,255,255,.55);color:#fff;padding:11px 18px;border-radius:4px;font-size:13px;font-weight:700;letter-spacing:.08em;text-transform:uppercase}.outline:hover{border-color:#45d2c2;color:#45d2c2}.hero-meta{display:flex;flex-wrap:wrap;gap:24px;margin-top:34px;color:#b8cbd0;font-size:13px}.hero-meta span:before{content:'•';color:#40cdbd;margin-right:8px}.section{max-width:1240px;margin:auto;padding:78px 24px}.section.compact{padding-top:55px}.section-head{display:flex;justify-content:space-between;gap:30px;align-items:end;margin-bottom:28px}.section-kicker{font-size:12px;letter-spacing:.2em;text-transform:uppercase;color:var(--teal2);font-weight:700}.section h2{font-family:'Barlow Condensed';font-size:42px;line-height:1;text-transform:uppercase;margin:7px 0 0;color:var(--ink)}.section-lead{max-width:630px;color:var(--muted);margin:12px 0 0}.battery-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.battery-card{border:1px solid var(--line);background:#fff;border-radius:8px;overflow:hidden;transition:.2s;box-shadow:0 4px 20px rgba(8,25,34,.035)}.battery-card:hover{transform:translateY(-4px);border-color:#9edbd4;box-shadow:var(--shadow)}.battery-img{height:225px;background:var(--mist);display:flex;align-items:center;justify-content:center;overflow:hidden}.battery-img img{width:100%;height:100%;object-fit:cover}.battery-placeholder{font-size:44px;color:#7b999f}.card-body{padding:22px}.card-tag{font-size:11px;color:var(--teal2);font-weight:700;letter-spacing:.15em;text-transform:uppercase}.card-body h3{font-family:'Barlow Condensed';font-size:25px;text-transform:uppercase;margin:7px 0}.card-body p{color:var(--muted);font-size:14px;min-height:68px;margin:0}.card-link{display:inline-block;margin-top:16px;color:var(--teal2);font-size:13px;font-weight:700;letter-spacing:.1em;text-transform:uppercase}.why{background:var(--navy);color:#fff}.why .section-kicker{color:#48d3c4}.why h2{color:#fff}.why .section-lead{color:#aec2c8}.why-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}.why-card{padding:22px;border:1px solid rgba(255,255,255,.11);background:rgba(255,255,255,.035);border-radius:7px}.why-icon{width:40px;height:40px;border-radius:5px;background:rgba(19,169,154,.15);color:#42d1c2;display:grid;place-items:center;font-weight:700}.why-card h3{font-family:'Barlow Condensed';font-size:20px;text-transform:uppercase;margin:17px 0 7px}.why-card p{color:#aec2c8;font-size:13px;margin:0}.cta-band{background:linear-gradient(120deg,#eaf7f5,#f5f8f8);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.cta-box{display:flex;align-items:center;justify-content:space-between;gap:25px}.cta-box h2{font-family:'Barlow Condensed';font-size:40px;line-height:1;margin:0;text-transform:uppercase}.cta-box p{color:var(--muted);max-width:670px;margin:10px 0 0}.page-head{background:var(--navy);padding:70px 24px 72px;position:relative;overflow:hidden}.page-head:after{content:'';position:absolute;width:420px;height:420px;border-radius:50%;right:-120px;top:-180px;background:rgba(19,169,154,.14)}.page-head-inner{max-width:1240px;margin:auto;position:relative;z-index:1}.page-head h1{font-size:clamp(42px,5.5vw,66px);max-width:900px;margin-bottom:12px}.page-head p{color:#b9cbd0;max-width:760px;font-size:17px;margin:0}.product-layout{display:grid;grid-template-columns:1.08fr .92fr;gap:44px;align-items:start}.product-front{border:1px solid var(--line);border-radius:9px;overflow:hidden;background:var(--mist);box-shadow:var(--shadow)}.product-front img{width:100%;height:auto}.product-copy h2{font-family:'Barlow Condensed';font-size:40px;text-transform:uppercase;line-height:1.05;margin:0 0 15px}.product-copy p{color:var(--muted);font-size:16px}.feature-list{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:22px}.feature{border:1px solid var(--line);padding:13px 14px;border-radius:6px;background:#fbfcfc;font-size:13px;color:#53666d}.spec-section{background:#f6f9f9;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.spec-grid{display:grid;grid-template-columns:.72fr 1.28fr;gap:45px;align-items:start}.back-panel{position:sticky;top:90px}.back-panel .label,.front-label{font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--teal2);font-weight:700;margin-bottom:10px}.back-image{border:1px solid var(--line);border-radius:8px;overflow:hidden;background:#fff;box-shadow:var(--shadow)}.back-image img{width:100%}.spec-table{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);border-radius:8px;overflow:hidden}.spec-table th,.spec-table td{text-align:left;padding:13px 16px;border-bottom:1px solid var(--line);font-size:14px}.spec-table th{background:#0d2732;color:#fff;font-weight:600}.spec-table tr:last-child td{border-bottom:0}.spec-table td:first-child{color:#61727a;width:44%}.notice{margin-top:15px;padding:14px 16px;background:#eef6f5;border-left:3px solid var(--teal);font-size:12px;color:#5a6d73}.detail-cta{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:25px 0}.detail-cta h3{font-family:'Barlow Condensed';font-size:30px;text-transform:uppercase;margin:0}.text-page{max-width:850px}.text-page h2{font-family:'Barlow Condensed';font-size:34px;text-transform:uppercase;margin:35px 0 10px}.text-page p,.text-page li{color:var(--muted)}.text-page ul{padding-left:20px}.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:25px}.contact-card{border:1px solid var(--line);border-radius:8px;padding:25px;background:#fff}.contact-card h3{font-family:'Barlow Condensed';font-size:25px;text-transform:uppercase;margin:0 0 10px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:15px}.field{display:flex;flex-direction:column;gap:6px}.field.full{grid-column:1/-1}.field label{font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.08em}.field input,.field textarea,.field select{border:1px solid var(--line);border-radius:5px;padding:12px 13px;font:inherit;outline:0}.field input:focus,.field textarea:focus,.field select:focus{border-color:var(--teal)}footer{background:#06131b;color:#b7c8cd}.footer-grid{max-width:1240px;margin:auto;padding:60px 24px;display:grid;grid-template-columns:1.4fr .8fr .9fr;gap:50px}.footer-brand{margin-bottom:12px}.footer-grid p{font-size:14px}.muted{color:#8399a1}.footer-grid h4{color:#46d2c3;text-transform:uppercase;letter-spacing:.18em;font-size:12px}.footer-grid ul{list-style:none;padding:0;margin:15px 0}.footer-grid li{margin:7px 0;font-size:14px}.footer-grid a:hover{color:#4bd0c1}.footer-bottom{text-align:center;border-top:1px solid rgba(255,255,255,.08);padding:18px 24px;font-size:11px;color:#718890}@media(max-width:1050px){.site-header nav{gap:0}.nav-link{padding:9px 7px;font-size:12px}.quote-btn.small{padding:9px 11px}.why-grid{grid-template-columns:repeat(3,1fr)}.battery-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:800px){.nav-wrap{padding:10px 18px}.menu{display:block}.site-header nav{display:none;position:absolute;left:0;right:0;top:64px;background:#07131c;border-bottom:1px solid rgba(255,255,255,.1);padding:12px 18px;flex-direction:column;align-items:stretch}.site-header nav.open{display:flex}.nav-product .nav-link{display:block}.dropdown{position:static;width:auto;display:block;opacity:1;visibility:visible;transform:none;box-shadow:none;border:0;background:#0a1b24;padding:4px 0 4px 10px}.dropdown a{font-size:13px}.quote-btn.small{margin:6px 0}.hero{min-height:620px}.hero-inner{padding:72px 20px}.hero h1{font-size:52px}.section{padding:58px 20px}.section-head{display:block}.battery-grid{grid-template-columns:1fr}.why-grid{grid-template-columns:1fr 1fr}.product-layout,.spec-grid,.contact-grid{grid-template-columns:1fr}.back-panel{position:static}.feature-list{grid-template-columns:1fr}.cta-box{display:block}.cta-box .quote-btn{margin-top:20px}.footer-grid{grid-template-columns:1fr 1fr;padding:45px 20px}}@media(max-width:520px){.brand{font-size:19px}.brand img{width:38px;height:38px}.hero h1{font-size:45px}.hero p{font-size:16px}.why-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.form-grid{grid-template-columns:1fr}.field.full{grid-column:auto}.page-head{padding:55px 20px}.page-head h1{font-size:44px}.spec-grid{gap:25px}}

/* --- Professional visual refinement --- */
.brand{width:52px;height:52px;display:flex;align-items:center;justify-content:center;flex:0 0 52px}
.brand img{width:52px;height:52px;border-radius:50%;object-fit:cover;box-shadow:0 0 0 2px rgba(255,255,255,.12),0 8px 24px rgba(0,0,0,.28)}
.footer-brand{width:70px;height:70px;flex-basis:70px;margin-bottom:18px}
.footer-brand img{width:70px;height:70px}
.nav-wrap{min-height:76px}
.hero:after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:linear-gradient(90deg,transparent,rgba(61,210,193,.6),transparent)}
.product-mark-wrap{position:relative;background:radial-gradient(circle at 50% 35%,#ffffff 0,#f1f7f7 58%,#e6efef 100%)}
.product-mark{width:148px;height:148px;border-radius:28px;display:flex;flex-direction:column;align-items:center;justify-content:center;position:relative;overflow:hidden;box-shadow:0 18px 45px rgba(7,29,38,.15);border:1px solid rgba(255,255,255,.9)}
.product-mark:before{content:"";position:absolute;inset:0;background:linear-gradient(145deg,rgba(255,255,255,.65),transparent 55%);pointer-events:none}
.product-mark span{font-family:'Barlow Condensed',sans-serif;font-size:48px;line-height:.8;font-weight:700;letter-spacing:.06em;color:#07131c}
.product-mark small{margin-top:9px;font-size:11px;letter-spacing:.18em;text-transform:uppercase;font-weight:700;color:#557078}
.product-mark em{font-style:normal;font-size:12px;color:#71848a;margin-top:15px}
.lfp-mark{border-color:#b8ded8;background:linear-gradient(145deg,#f9ffff,#dff4ef)}
.lfp-mark span{color:#087d73}
.lfp-mark:after{content:"";position:absolute;width:55px;height:5px;bottom:20px;border-radius:8px;background:#13a99a;box-shadow:0 0 18px rgba(19,169,154,.28)}
.nmc-mark{border-color:#cbd9e2;background:linear-gradient(145deg,#ffffff,#e8eff4)}
.nmc-mark span{color:#193c50}
.nmc-mark:after{content:"";position:absolute;width:55px;height:5px;bottom:20px;border-radius:8px;background:#2e718d;box-shadow:0 0 18px rgba(46,113,141,.25)}
.product-mark.large{width:270px;height:270px;border-radius:46px}
.product-mark.large span{font-size:82px}
.product-mark.large small{font-size:14px}
.product-hero-mark{min-height:520px;display:flex;align-items:center;justify-content:center;background:radial-gradient(circle at 50% 40%,#fff 0,#eef6f5 65%,#e4eeee 100%)}
.product-back-mark{min-height:340px;display:flex;align-items:center;justify-content:center;background:linear-gradient(145deg,#fff,#eef5f5)}
.product-back-mark .product-mark.large{width:205px;height:205px;border-radius:34px}
.product-back-mark .product-mark.large span{font-size:62px}
.page-head{position:relative;overflow:hidden}
.page-head:before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 85% 30%,rgba(19,169,154,.18),transparent 32%);pointer-events:none}
.page-head-inner{position:relative}
.battery-card{border-radius:12px}
.battery-img{height:240px}
.card-body{padding:24px}
.quote-btn{transition:transform .18s ease,box-shadow .18s ease}
.quote-btn:hover{transform:translateY(-1px);box-shadow:0 10px 26px rgba(19,169,154,.25)}
@media(max-width:520px){
 .brand,.brand img{width:46px;height:46px;flex-basis:46px}
 .footer-brand,.footer-brand img{width:62px;height:62px;flex-basis:62px}
 .product-mark.large{width:210px;height:210px}
 .product-mark.large span{font-size:64px}
 .product-hero-mark{min-height:380px}
}

/* Battery product photography */
.battery-img img{object-fit:cover;object-position:center}.product-front img,.back-image img{width:100%;height:auto;display:block}.product-front{background:#f4f7f8}.back-image{background:#fff}

/* LFP / NMC product photography on home page */
.battery-image-swap{position:relative;background:#f3f7f8;padding:12px}
.battery-image-swap .battery-photo{position:absolute;inset:12px;width:calc(100% - 24px);height:calc(100% - 24px);object-fit:contain;object-position:center;transition:opacity .22s ease;display:block}
.battery-image-swap .battery-front{opacity:1}
.battery-image-swap .battery-back{opacity:0}
.battery-image-card:hover .battery-front,.battery-image-card:focus-within .battery-front{opacity:0}
.battery-image-card:hover .battery-back,.battery-image-card:focus-within .battery-back{opacity:1}
.battery-image-card .battery-img{height:240px}
.battery-image-card .battery-img:after{content:"BACK";position:absolute;right:14px;bottom:12px;padding:4px 7px;border-radius:4px;background:rgba(7,19,28,.72);color:#fff;font-size:9px;font-weight:700;letter-spacing:.12em;opacity:0;transition:opacity .22s ease}
.battery-image-card:hover .battery-img:after,.battery-image-card:focus-within .battery-img:after{opacity:1}