:root{
  --green:#0b5aa6;--green-d:#084683;--green-l:#e7eff8;
  --navy:#0f2238;--navy-d:#06111d;--lime:#84c341;--yellow:#fdb813;--yellow-d:#e5a400;
  --ink:#1d2430;--ink-2:#5b6270;--line:#dfe3e8;--bg:#f5f7f9;--white:#fff;
  --head:"Barlow",system-ui,sans-serif;--body:"Source Sans 3",system-ui,sans-serif;
  --r:6px;--max:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font:400 17px/1.65 var(--body);color:var(--ink);background:var(--white)}
img{max-width:100%;height:auto;display:block}
a{color:var(--green);text-underline-offset:2px}
a:hover{color:var(--green-d)}
h1,h2,h3,h4{font-family:var(--head);line-height:1.2;margin:0 0 .6em;font-weight:700;letter-spacing:-.005em;text-wrap:balance}
h1{font-size:clamp(30px,4vw,44px)}
h2{font-size:clamp(22px,2.6vw,30px)}
h3{font-size:20px}
p{margin:0 0 1em;text-wrap:pretty}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
.narrow{max-width:820px}
.skip{position:absolute;left:-9999px}
.skip:focus{left:16px;top:16px;z-index:100;background:var(--white);padding:8px 12px}

/* brand bar + header */
.brandbar{background:var(--white)}
.brandbar-in{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:20px 24px;flex-wrap:wrap}
.logo img{height:96px;width:auto}
.brand-contact{display:flex;gap:40px;font-size:15px;color:var(--ink-2)}
.brand-contact p{margin:0;line-height:1.5}
.brand-contact a{color:var(--ink);text-decoration:none}
.brand-contact a:hover{color:var(--green)}
.header{background:var(--navy);position:sticky;top:0;z-index:50;box-shadow:0 6px 18px rgba(6,17,29,.25)}
.header-in{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:64px}
.header .logo{display:none}
.nav ul{list-style:none;margin:0;padding:0}
.nav>ul{display:flex;align-items:center;gap:6px}
.nav>ul>li>a{display:block;padding:20px 18px;font:700 17px var(--head);letter-spacing:.03em;text-transform:uppercase;color:#fff;text-decoration:none}
.nav>ul>li>a:hover,.nav>ul>li>a.active{color:var(--lime)}
.has-sub{position:relative}
.sub{position:absolute;top:100%;left:50%;transform:translateX(-50%);display:none;grid-template-columns:1fr 1fr;gap:24px;background:var(--white);border:1px solid var(--line);border-radius:var(--r);padding:20px 24px;box-shadow:0 12px 32px rgba(20,30,25,.12);min-width:480px}
.has-sub:hover .sub,.has-sub:focus-within .sub{display:grid}
.sub p{margin:0 0 8px;font:700 12px var(--head);letter-spacing:.1em;text-transform:uppercase;color:var(--ink-2)}
.sub ul{display:grid;gap:2px}
.sub a{display:block;padding:6px 0;color:var(--ink);text-decoration:none}
.sub a:hover{color:var(--green)}
.nav-toggle{display:none;background:none;border:0;padding:10px;cursor:pointer;width:48px;height:48px}
.nav-toggle span{display:block;height:2px;background:#fff;margin:6px 0;transition:.2s}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 26px;background:var(--green);color:#fff;border:0;border-radius:var(--r);font:600 15px var(--head);letter-spacing:.08em;text-transform:uppercase;text-decoration:none;cursor:pointer;transition:background .15s}
.btn:hover{background:var(--green-d);color:#fff}
.hero .btn:not(.btn-ghost){background:var(--yellow)}
.hero .btn:not(.btn-ghost):hover{background:var(--yellow-d)}
.btn-ghost{background:transparent;box-shadow:inset 0 0 0 2px #fff}
.btn-ghost:hover{background:#fff;color:var(--ink)}
.btn-light{background:var(--green);color:#fff}
.btn-light:hover{background:var(--navy);color:#fff}
.btn-block{width:100%}

/* hero */
.hero{position:relative;color:#fff;background-color:var(--navy);background-position:center;background-size:cover;background-repeat:no-repeat}
.hero::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(15,34,56,.85) 0%,rgba(15,34,56,.55) 55%,rgba(15,34,56,.2) 100%)}
.hero-in{position:relative;padding:clamp(72px,11vw,140px) 24px;max-width:var(--max)}
.hero-in>*{max-width:640px}
.hero h2{font-size:clamp(32px,4.6vw,54px);text-transform:uppercase;letter-spacing:.01em}
.hero p{font-size:19px;color:#e6ebe8}
.eyebrow{font:600 14px var(--head)!important;letter-spacing:.14em;text-transform:uppercase;color:var(--lime)!important;margin-bottom:14px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}

/* sections */
.section{padding:clamp(48px,7vw,88px) 0}
.intro-h{font-size:clamp(26px,3.2vw,36px);margin-bottom:40px}
.qa{display:grid;gap:36px}
.qa article{padding-top:28px;border-top:1px solid var(--line)}
.qa h2{font-size:21px;color:var(--navy)}
.lead{font-size:19px;color:var(--ink-2);margin-bottom:32px}
.page-head{background:var(--bg);border-bottom:1px solid var(--line);padding:40px 0 32px}
.page-head h1{margin:0}
.crumbs{font-size:14px;color:var(--ink-2);margin-bottom:10px}
.crumbs a{color:var(--ink-2);text-decoration:none}
.crumbs a:hover{color:var(--green)}
.crumbs span{margin:0 4px}
.cta-band{background:var(--lime);color:#fff}
.cta-in{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;padding:48px 24px}
.cta-in h2{margin:0;font-size:clamp(24px,2.8vw,34px);font-weight:500}

/* products overview */
.group{margin-top:64px}
.group-head{display:grid;grid-template-columns:auto minmax(0,1fr);gap:20px;max-width:900px;margin-bottom:28px}
.num{display:grid;place-items:center;width:48px;height:48px;border-radius:50%;background:var(--lime);color:#fff;font:700 20px var(--head)}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:24px}
.card{display:flex;flex-direction:column;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;text-decoration:none;color:var(--ink);transition:border-color .15s,box-shadow .15s}
.card:hover{border-color:var(--green);box-shadow:0 10px 28px rgba(20,30,25,.1);color:var(--ink)}
.card-img{aspect-ratio:4/3;background:var(--bg);display:grid;place-items:center;padding:16px}
.card-img img{max-height:100%;object-fit:contain}
.card h3{margin:20px 20px 6px;font-size:19px}
.card-more{margin:0 20px 20px;font:600 14px var(--head);letter-spacing:.06em;text-transform:uppercase;color:var(--green)}

/* product detail */
.product{display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:48px;align-items:start}
.product-side{position:sticky;top:110px;display:grid;gap:20px}
.product-img{background:var(--bg);border-radius:var(--r);padding:20px;aspect-ratio:1;display:grid;place-items:center}
.product-img img{max-height:100%;object-fit:contain}
.gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-top:-8px}
.gallery button{padding:0;border:2px solid transparent;border-radius:4px;background:var(--bg);cursor:pointer;aspect-ratio:4/3;overflow:hidden}
.gallery button.is-active,.gallery button:hover{border-color:var(--green)}
.gallery img{width:100%;height:100%;object-fit:cover}
.price{border-top:1px solid var(--line);padding-top:16px}
.price p{margin:0;font-size:14px;color:var(--ink-2)}
.price strong{font:700 34px var(--head);color:var(--ink)}
details{border-bottom:1px solid var(--line)}
details:first-child{border-top:1px solid var(--line)}
summary{list-style:none;cursor:pointer;padding:20px 40px 20px 0;position:relative;font:700 19px var(--head)}
summary::-webkit-details-marker{display:none}
summary::after{content:"";position:absolute;right:6px;top:50%;width:10px;height:10px;border-right:2px solid var(--green);border-bottom:2px solid var(--green);transform:translateY(-70%) rotate(45deg);transition:transform .2s}
details[open] summary::after{transform:translateY(-30%) rotate(-135deg)}
summary:hover{color:var(--green)}
.details-body{padding:0 0 24px}
.ticks{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.ticks li{position:relative;padding-left:26px}
.ticks li::before{content:"";position:absolute;left:2px;top:.5em;width:12px;height:7px;border-left:2px solid var(--lime);border-bottom:2px solid var(--lime);transform:rotate(-45deg)}
.spec{width:100%;border-collapse:collapse;font-size:16px}
.spec th,.spec td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--line)}
.spec th{background:var(--bg);font-family:var(--head)}
.downloads{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.downloads a{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;border:1px solid var(--line);border-radius:var(--r);text-decoration:none;color:var(--ink)}
.downloads a:hover{border-color:var(--green);color:var(--green)}
.downloads span{font:700 12px var(--head);letter-spacing:.1em;color:var(--green)}
.video{position:relative;aspect-ratio:16/9;background:var(--ink);border-radius:var(--r);overflow:hidden}
.video iframe{position:absolute;inset:0;width:100%;height:100%;border:0}

/* FAQ uses details too */
.narrow details summary{font-size:18px}

/* contact */
.contact{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:56px;align-items:start}
.contact-main h2{margin-top:32px}
.contact-side{background:var(--bg);border-radius:var(--r);padding:28px}
.contact-side h2{font-size:22px}
.form{display:grid;gap:18px}
.form label{display:grid;gap:6px;font-weight:600;font-size:15px}
.form input,.form select,.form textarea{font:inherit;font-weight:400;padding:12px 14px;border:1px solid #c5ccc8;border-radius:var(--r);background:#fff;color:var(--ink);width:100%}
.form input:focus,.form select:focus,.form textarea:focus{outline:2px solid var(--green);outline-offset:1px;border-color:var(--green)}
.form .invalid{border-color:#b3261e}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.form .check{display:flex;gap:10px;align-items:flex-start;font-weight:400}
.form .check input{width:20px;height:20px;margin-top:3px;flex:none;accent-color:var(--green)}
.form .btn{justify-self:start}
.form .btn[disabled]{opacity:.6;cursor:wait}
.hp{position:absolute!important;left:-9999px!important}
.form-status{margin:0;font-weight:600}
.form-status.ok{color:var(--green)}
.form-status.err{color:#b3261e}

/* prose (legal) */
.prose h2{font-size:21px;margin-top:2em}
.prose h3{font-size:18px;margin-top:1.4em}
.prose ul{padding-left:20px}
.prose li{margin-bottom:.5em}
.prose{overflow-wrap:anywhere}

/* footer */
.footer{background:var(--navy-d);color:#8b97a5;font-size:15px}
.footer-in{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;padding:28px 24px}
.footer-links{display:flex;flex-wrap:wrap;gap:24px}
.footer a{color:#fff;text-decoration:none}
.footer a:hover{text-decoration:underline;color:#fff}
.footer p{margin:0}

@media (max-width:960px){
  .product,.contact{grid-template-columns:1fr}
  .product-side{position:static;order:-1;max-width:480px}
  .bc-addr{display:none}
}
@media (max-width:860px){
  .nav-toggle{display:block}
  .nav{position:absolute;left:0;right:0;top:100%;background:var(--navy);display:none;padding:8px 24px 20px}
  .nav.open{display:block}
  .nav>ul{flex-direction:column;align-items:stretch;gap:0}
  .nav>ul>li>a{padding:14px 0;border-bottom:1px solid rgba(255,255,255,.12)}
  .sub{position:static;transform:none;display:grid;grid-template-columns:1fr;min-width:0;box-shadow:none;border:0;padding:8px 0 8px 16px;gap:12px;background:transparent}
  .sub p{color:#9aa7b6}
  .sub a{color:#fff}
  .nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(8px) rotate(45deg)}
  .nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
  .nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}
  .header-in{min-height:56px;justify-content:flex-end}
  .logo img{height:64px}
  .brand-contact{font-size:14px}
}
@media (max-width:600px){
  body{font-size:16px}
  .row2{grid-template-columns:1fr}
  .cta-in{flex-direction:column;align-items:flex-start}
}