/* Bridge Power Batteries: website concept */
:root{
  --ink:#0A0A0C; --ink2:#17181C; --line:#26272C;
  --red:#E3141B; --red-text:#C20F15; --red-soft:#FF7A7D;
  --blue:#1C2BD0; --paper:#F2F2EF; --card:#fff; --steel:#C8C9C5;
  --text2:#3E4046; --muted:#4A4C52;
  --display:'Big Shoulders Display','Arial Narrow',Impact,sans-serif;
  --body:'DM Sans',system-ui,-apple-system,'Segoe UI',Arial,sans-serif;
  --mono:'IBM Plex Mono',ui-monospace,Consolas,monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--body);-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%}
button{font-family:inherit}
:focus-visible{outline:3px solid var(--blue);outline-offset:3px}
.wrap{max-width:1312px;margin:0 auto}
.pad{padding-left:64px;padding-right:64px}
.mono{font-family:var(--mono);font-size:13px;letter-spacing:.14em;text-transform:uppercase}
.eyebrow{color:var(--red-text)}
.on-dark .eyebrow,.eyebrow.light{color:var(--red-soft)}
.display{font-family:var(--display);font-weight:900;text-transform:uppercase;line-height:.9;margin:0}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:52px;padding:0 28px;border-radius:6px;font-weight:700;font-size:16px;border:2px solid transparent;cursor:pointer;transition:transform .15s ease,background .15s ease}
.btn:hover{transform:translateY(-2px)}
.btn-red{background:var(--red);color:#fff}
.btn-red:hover{background:#c40f15}
.btn-line{border-color:#fff;color:#fff;background:transparent}
.btn-line:hover{background:#fff;color:var(--ink)}
.btn-dark{border-color:var(--ink);background:#fff;color:var(--ink)}
.btn-dark.is-on{background:var(--ink);color:#fff}

/* nav */
.nav{background:var(--ink);color:#fff;border-bottom:1px solid var(--line);padding:14px 64px;position:sticky;top:0;z-index:50}
.nav-in{max-width:1312px;margin:0 auto;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px 32px}
.nav img{display:block;width:75px;height:auto}
.nav nav{display:flex;flex-wrap:wrap;gap:8px 32px;font-family:var(--mono);font-size:13px;letter-spacing:.1em;text-transform:uppercase}
.nav nav a{padding:10px 0;border-bottom:2px solid transparent}
.nav nav a:hover,.nav nav a.active{border-bottom-color:var(--red)}
.nav-cart{display:inline-flex;align-items:center;gap:10px;min-height:44px;padding:0 18px;background:var(--red);border:0;border-radius:6px;color:#fff;font-weight:700;font-size:15px;cursor:pointer}
.nav-cart b{background:#fff;color:var(--red);border-radius:99px;min-width:22px;height:22px;display:inline-flex;align-items:center;justify-content:center;font-size:13px;padding:0 6px}

/* hero */
.hero{position:relative;overflow:hidden;background:var(--ink);color:#fff;padding-top:48px;padding-bottom:96px}
.arc{position:absolute;left:-5%;width:110%;pointer-events:none}
.hero .arc{top:40px;height:700px}
.hero-grid{position:relative;display:flex;flex-wrap:wrap;gap:48px;align-items:center;max-width:1312px;margin:0 auto}
.hero-text{flex:1 1 480px;min-width:0;display:flex;flex-direction:column;gap:28px}
.hero h1{font-size:clamp(64px,9.2vw,132px);line-height:.86;margin:0}
.hero h1 span{display:block}
.hero h1 .r{color:var(--red)}
.hero p.lead{margin:0;font-size:20px;line-height:1.5;color:#C9CACE;max-width:460px}
.row{display:flex;flex-wrap:wrap;gap:16px}
.hero-stage{flex:1 1 480px;min-width:0;display:flex;flex-direction:column;align-items:center;gap:20px}
.tabs{display:flex;flex-wrap:wrap;justify-content:center;gap:8px}
.tab{min-height:44px;padding:0 20px;border-radius:6px;cursor:pointer;font-family:var(--mono);font-size:13px;letter-spacing:.08em;text-transform:uppercase;border:2px solid #fff;background:var(--ink);color:#fff}
.tab.is-on{background:#fff;color:var(--ink)}
.hero-price{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:center;gap:8px 20px}
.hero-price .n{font-family:var(--display);font-weight:800;font-size:40px;text-transform:uppercase}
.hero-price .p{font-size:22px;font-weight:700}
.hero-price a{font-weight:700;color:var(--red-soft);border-bottom:2px solid var(--red-soft)}

/* 3D battery */
.bat-stage{position:relative;width:100%;max-width:520px;height:460px;margin:0 auto;perspective:1400px;cursor:grab;touch-action:pan-y;user-select:none}
.bat-stage.drag{cursor:grabbing}
.bat-shadow{position:absolute;left:50%;bottom:26px;width:380px;height:70px;margin-left:-190px;background:radial-gradient(ellipse at center,rgba(0,0,0,.55),rgba(0,0,0,0) 70%)}
.bat{position:absolute;left:50%;top:56%;width:0;height:0;transform-style:preserve-3d}
.bat .f{position:absolute;backface-visibility:hidden}
.ribs{background-image:repeating-linear-gradient(90deg,rgba(10,10,12,.05) 0,rgba(10,10,12,.05) 2px,transparent 2px,transparent 24px)}
.bat .front{left:-140px;top:-85px;width:280px;height:170px;transform:translateZ(75px);background-image:repeating-linear-gradient(90deg,rgba(10,10,12,.05) 0,rgba(10,10,12,.05) 2px,transparent 2px,transparent 24px),linear-gradient(180deg,#fff,#E2E6EC);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px}
.bat .front .lv{position:absolute;left:24px;width:110px;height:1px;background:#8A8F99}
.bat .front img{width:150px;height:auto;display:block;margin-top:14px}
.bat .front .model{font-family:var(--display);font-weight:800;font-size:26px;line-height:1;letter-spacing:.02em;text-transform:uppercase}
.bat .front .brand{position:absolute;left:18px;bottom:12px;font-style:italic;font-size:11px;color:var(--muted)}
.bat .back{left:-140px;top:-85px;width:280px;height:170px;transform:rotateY(180deg) translateZ(75px);background-image:repeating-linear-gradient(90deg,rgba(10,10,12,.05) 0,rgba(10,10,12,.05) 2px,transparent 2px,transparent 24px),linear-gradient(180deg,#F1F3F6,#D2D7DF)}
.bat .right{left:-75px;top:-85px;width:150px;height:170px;transform:rotateY(90deg) translateZ(140px);background-image:repeating-linear-gradient(90deg,rgba(10,10,12,.06) 0,rgba(10,10,12,.06) 2px,transparent 2px,transparent 22px),linear-gradient(180deg,#E3E7ED,#BFC5CE)}
.bat .left{left:-75px;top:-85px;width:150px;height:170px;transform:rotateY(-90deg) translateZ(140px);background-image:repeating-linear-gradient(90deg,rgba(10,10,12,.06) 0,rgba(10,10,12,.06) 2px,transparent 2px,transparent 22px),linear-gradient(180deg,#D9DDE4,#B4BAC4)}
.bat .lf{left:-146px;top:-111px;width:292px;height:26px;transform:translateZ(81px);box-shadow:inset 0 -6px 0 rgba(0,0,0,.16),inset 0 3px 0 rgba(255,255,255,.22)}
.bat .lb{left:-146px;top:-111px;width:292px;height:26px;transform:rotateY(180deg) translateZ(81px);box-shadow:inset 0 0 0 99px rgba(0,0,0,.2)}
.bat .lr{left:-81px;top:-111px;width:162px;height:26px;transform:rotateY(90deg) translateZ(146px);box-shadow:inset 0 0 0 99px rgba(0,0,0,.12)}
.bat .ll{left:-81px;top:-111px;width:162px;height:26px;transform:rotateY(-90deg) translateZ(146px);box-shadow:inset 0 0 0 99px rgba(0,0,0,.24)}
.bat .lt{left:-146px;top:-81px;width:292px;height:162px;transform:rotateX(90deg) translateZ(111px);transform-style:preserve-3d;background-image:linear-gradient(180deg,rgba(255,255,255,.2),rgba(0,0,0,.08))}
.bat .d{position:absolute;border-radius:50%}
.lidc{background-color:var(--lid,#1C2BD0)}
.bat .front .model{color:var(--lid,#1C2BD0)}
.drag-hint{position:absolute;left:0;right:0;bottom:0;text-align:center;font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:#9A9CA3;pointer-events:none}

/* strip */
.strip{background:var(--red);color:#fff;padding:20px 64px}
.strip div{max-width:1312px;margin:0 auto;font-family:var(--display);font-weight:800;font-size:30px;letter-spacing:.04em;text-transform:uppercase;line-height:1.3;text-wrap:balance}

/* sections */
.sec{padding-top:104px;padding-bottom:96px}
.sec-head{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:16px;margin-bottom:48px}
.sec-head h2{font-size:clamp(48px,6vw,80px)}
.sec-head .eyebrow{margin-bottom:12px}
.link-u{font-weight:700;font-size:17px;border-bottom:2px solid var(--ink);padding-bottom:2px}

/* product cards */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:24px}
.card{background:var(--card);border-radius:20px;overflow:hidden;display:flex;flex-direction:column;transition:transform .2s ease,box-shadow .2s ease}
.card:hover{transform:translateY(-4px);box-shadow:0 18px 40px rgba(10,10,12,.12)}
.card .im{display:block;background:#E9E9E6}
.card .im img{display:block;width:100%;height:auto}
.card .body{padding:20px 20px 24px;display:flex;flex-direction:column;gap:14px}
.card .top{display:flex;justify-content:space-between;align-items:center;gap:8px}
.card .nm{font-family:var(--display);font-weight:800;font-size:40px;line-height:1;text-transform:uppercase}
.tag{font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);border:1px solid var(--steel);border-radius:99px;padding:4px 10px;white-space:nowrap}
.card .price{font-size:22px;font-weight:700}
.card .btn{min-height:48px;font-size:16px}

/* use cases */
.blue{background:var(--blue);color:#fff;padding-top:96px;padding-bottom:96px}
.blue .eyebrow{color:#C9CEFF}
.uc{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px}
.uc-card{background:#fff;color:var(--ink);border-radius:20px;padding:32px;display:flex;flex-direction:column;gap:16px}
.uc-card h3{margin:0;font-family:var(--display);font-weight:800;font-size:36px;text-transform:uppercase;line-height:1}
.uc-card p{margin:0;font-size:17px;line-height:1.5;color:var(--text2)}
.uc-card .m{font-family:var(--mono);font-size:13px;letter-spacing:.06em;text-transform:uppercase;color:var(--blue)}
.note{font-family:var(--mono);font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:#C9CEFF;margin-top:32px}

/* projects */
.proj{display:flex;flex-wrap:wrap;gap:24px}
.proj-big{flex:7 1 520px;min-width:0;min-height:560px}
.proj-side{flex:5 1 360px;min-width:0;display:flex;flex-direction:column;gap:24px}
.proj-side .tile{flex:1 1 268px;min-height:268px}
.tile{border-radius:20px;color:#fff;display:flex;flex-direction:column;justify-content:space-between;padding:28px;position:relative;overflow:hidden;transition:transform .2s ease}
.tile:hover{transform:scale(1.01)}
.tile .ph{font-family:var(--mono);font-size:12px;letter-spacing:.12em;text-transform:uppercase;opacity:.75}
.tile h3{margin:0;font-family:var(--display);font-weight:800;text-transform:uppercase;line-height:1}
.tile.t1{background:repeating-linear-gradient(135deg,#17181C 0 16px,#1E2025 16px 32px)}
.tile.t2{background:repeating-linear-gradient(135deg,#1A2090 0 16px,#1C2BD0 16px 32px)}
.tile.t3{background:repeating-linear-gradient(135deg,#B30F14 0 16px,#E3141B 16px 32px)}
.pill-red{align-self:flex-start;font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;background:var(--red);padding:5px 12px;border-radius:99px;margin-bottom:8px}

/* dealers */
.dealers{position:relative;overflow:hidden;background:var(--ink);color:#fff;padding-top:96px;padding-bottom:96px}
.dealers .arc{bottom:-40px;height:360px}
.dealers-in{position:relative;max-width:1312px;margin:0 auto;display:flex;flex-wrap:wrap;gap:40px;justify-content:space-between;align-items:flex-end}
.dealers h2{font-size:clamp(52px,6.6vw,96px)}
.dealers p{margin:20px 0 0;font-size:20px;line-height:1.5;color:#C9CACE;max-width:520px}
.dealers .side{flex:0 1 360px;display:flex;flex-direction:column;gap:14px}

/* footer */
.footer{background:var(--ink);color:#fff}
.footer svg.wave{display:block;width:100%;height:90px;background:var(--ink)}
.footer .in{padding:48px 64px 32px}
.f-cols{max-width:1312px;margin:0 auto;display:flex;flex-wrap:wrap;gap:40px 64px;justify-content:space-between}
.f-cols .c{display:flex;flex-direction:column;gap:12px;flex:0 1 200px}
.f-cols .c.brand{flex:1 1 300px;max-width:380px;gap:16px}
.f-cols h4{margin:0;font-family:var(--mono);font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--red-soft);font-weight:500}
.f-cols a:hover{color:var(--red-soft)}
.f-bottom{max-width:1312px;margin:40px auto 0;padding-top:20px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px;font-size:14px;color:#8F9198}

/* shop */
.page-head{position:relative;overflow:hidden;background:var(--ink);color:#fff;padding-top:56px;padding-bottom:64px}
.page-head .arc{bottom:-20px;height:240px}
.page-head .in{position:relative;max-width:1312px;margin:0 auto;display:flex;flex-direction:column;gap:16px}
.page-head h1{font-size:clamp(64px,8.4vw,120px);line-height:.88}
.page-head p{margin:0;font-size:19px;line-height:1.5;color:#C9CACE;max-width:520px}
.crumb{color:var(--red-soft)}
.filters{max-width:1312px;margin:0 auto;padding-top:40px;display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px}
.chips{display:flex;flex-wrap:wrap;gap:10px}
.chip{min-height:44px;padding:0 20px;border-radius:99px;cursor:pointer;font-weight:700;font-size:15px;border:2px solid var(--ink);background:#fff;color:var(--ink)}
.chip.is-on{background:var(--ink);color:#fff}
.count{font-size:15px;color:var(--muted)}
select.sort{min-height:44px;border:2px solid var(--steel);border-radius:6px;background:#fff;padding:0 14px;font-family:var(--mono);font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink)}

/* product page */
.pdp{display:flex;flex-wrap:wrap;gap:48px;align-items:flex-start}
.pdp-stage{flex:1 1 560px;min-width:0;position:relative;overflow:hidden;border-radius:24px;background:linear-gradient(180deg,#ECECE9,#D9D9D5);padding:56px 24px 90px;display:flex;flex-direction:column;align-items:center}
.pdp-stage svg{position:absolute;left:0;bottom:0;width:100%;height:150px;pointer-events:none}
.pdp-stage .drag-hint{color:var(--muted);bottom:16px;z-index:2}
.pdp-stage .bat-stage{z-index:1}
.pdp-flat{position:relative;z-index:1;width:100%;max-width:520px}
.pdp-flat img{width:100%;height:auto;display:block;border-radius:16px}
.pdp-buy{flex:1 1 400px;min-width:0;display:flex;flex-direction:column;gap:24px}
.pdp-buy h1{font-size:clamp(72px,8vw,112px);line-height:.88}
.pdp-buy p.d{margin:0;font-size:19px;line-height:1.5;color:var(--text2);max-width:480px}
.pdp-price{display:flex;align-items:baseline;gap:16px;flex-wrap:wrap}
.pdp-price .t{font-size:36px;font-weight:700;font-variant-numeric:tabular-nums}
.pdp-price .e{font-size:16px;color:var(--muted)}
.qty-row{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.qty{display:flex;align-items:center;border:2px solid var(--ink);border-radius:6px;background:#fff}
.qty button{width:48px;height:48px;border:0;background:transparent;font-size:24px;cursor:pointer;color:var(--ink)}
.qty span{min-width:44px;text-align:center;font-weight:700;font-size:18px;font-variant-numeric:tabular-nums}
.qty-row .btn-red{flex:1 1 200px;font-size:17px}
.specs{border-top:2px solid var(--ink)}
.specs div{display:flex;justify-content:space-between;gap:16px;padding:14px 0;border-bottom:1px solid var(--steel)}
.specs span{color:var(--muted)}
.specs b{font-weight:700}
.ph-note{font-family:var(--mono);font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}

/* cart drawer */
.scrim{position:fixed;inset:0;background:rgba(10,10,12,.55);opacity:0;pointer-events:none;transition:opacity .2s;z-index:90}
.scrim.open{opacity:1;pointer-events:auto}
.drawer{position:fixed;top:0;right:0;bottom:0;width:min(420px,100%);background:#fff;transform:translateX(100%);transition:transform .25s ease;z-index:100;display:flex;flex-direction:column}
.drawer.open{transform:none}
.drawer header{display:flex;justify-content:space-between;align-items:center;padding:20px 24px;border-bottom:1px solid var(--steel)}
.drawer h3{margin:0;font-family:var(--display);font-weight:800;font-size:32px;text-transform:uppercase}
.drawer .x{width:44px;height:44px;border:0;background:var(--paper);border-radius:6px;font-size:22px;cursor:pointer}
.drawer .items{flex:1;overflow:auto;padding:8px 24px}
.drawer .empty{padding:32px 0;color:var(--muted)}
.ci{display:flex;gap:14px;padding:16px 0;border-bottom:1px solid var(--steel);align-items:center}
.ci img{width:84px;border-radius:10px;background:#E9E9E6}
.ci .n{font-family:var(--display);font-weight:800;font-size:26px;text-transform:uppercase;line-height:1}
.ci .p{font-size:15px;color:var(--muted);margin-top:4px}
.ci .q{margin-left:auto;display:flex;align-items:center;gap:6px}
.ci .q button{width:32px;height:32px;border:1px solid var(--steel);background:#fff;border-radius:6px;cursor:pointer;font-size:18px}
.drawer footer{padding:20px 24px;border-top:1px solid var(--steel);display:flex;flex-direction:column;gap:12px}
.drawer footer .tot{display:flex;justify-content:space-between;font-weight:700;font-size:20px}

/* loader */
#loader{position:fixed;inset:0;z-index:999;background:#111216;color:#fff;display:flex;align-items:center;justify-content:center;transition:opacity .6s ease,visibility .6s}
#loader.done{opacity:0;visibility:hidden}
#loader .gridbg{position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);background-size:48px 48px}
#loader .inner{position:relative;display:flex;flex-direction:column;align-items:center;gap:36px;width:100%;padding:0 24px}
#loader svg{width:min(720px,88vw);height:auto;overflow:visible}
.lbar{display:flex;align-items:center;gap:20px;width:min(520px,100%)}
.lbar .tr{flex:1;height:6px;background:#26272C;border-radius:3px;overflow:hidden}
.lbar .tr i{display:block;height:6px;background:var(--red);border-radius:3px;width:0}
.lbar b{font-family:var(--display);font-weight:900;font-size:56px;line-height:1;min-width:92px;text-align:right;font-variant-numeric:tabular-nums}
#loader .cap{font-family:var(--mono);font-size:13px;letter-spacing:.18em;text-transform:uppercase;color:#9A9CA3}

@media (max-width:760px){
  .pad,.nav,.strip{padding-left:20px;padding-right:20px}
  .footer .in{padding-left:20px;padding-right:20px}
  .sec,.blue,.dealers{padding-top:64px;padding-bottom:64px}
  .strip div{font-size:22px}
  .bat-stage{height:400px;transform:scale(.8);transform-origin:center top;margin-bottom:-70px}
  .card .nm{font-size:34px}
  .proj-big{min-height:380px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;scroll-behavior:auto!important}
}