/* V6: shared navigation, languages, history and accessible controls */
:root{--v6-ink:#102c38;--v6-paper:#f3f6f4}
html{scroll-padding-top:110px}body{font-family:Arial,Helvetica,sans-serif}h1,h2,h3{font-family:Georgia,'Times New Roman',serif}
.v6-header{position:sticky;top:0;z-index:1000;background:#192735;color:#fff;box-shadow:0 2px 14px #102c3820}
.v6-nav-inner{max-width:1360px;margin:auto;display:flex;align-items:center;gap:24px;padding:14px 28px;min-height:74px}
.v6-brand{display:flex;align-items:center;gap:12px;color:white;font-family:Georgia,serif;font-weight:bold;font-size:21px;flex-shrink:0}.v6-brand img{width:34px;height:38px;object-fit:contain}.v6-brand span span{color:#74d7ce}
.v6-main-nav{display:flex;align-items:center;gap:20px;margin-left:auto}.v6-main-nav a{color:#edf5f4;font-size:13px;font-weight:600;white-space:nowrap}.v6-main-nav a[aria-current=page]{color:#82e2d5;text-decoration:underline;text-underline-offset:8px}
.v6-languages{display:flex;gap:5px;margin-left:auto;flex-shrink:0}.v6-languages a{display:flex;align-items:center;justify-content:center;min-width:34px;min-height:36px;padding:4px;color:#e5eeee;font-size:12px;border:1px solid transparent}.v6-languages a[aria-current=true]{border-color:#83d8d1;color:#83d8d1;background:#16434b}
.v6-menu{display:none;background:transparent;color:white;border:1px solid #729296;border-radius:3px;font-size:16px;padding:8px;cursor:pointer}.v6-mobile{display:none;padding:8px 24px 20px}.v6-mobile a{display:block;padding:10px;color:white}.v6-mobile.open{display:block;max-height:65vh;overflow:auto}
.v6-page-hero{padding:64px 0;background:#102c38;color:white}.v6-page-hero h1{font-size:clamp(32px,4vw,54px);max-width:1030px;line-height:1.15;color:white;margin-bottom:24px}.v6-page-hero p{max-width:900px;color:#d5e9e8;font-size:18px}.v6-page-hero .hero-eyebrow{font-size:12px;color:#85e0d2}
.v6-patent{border-left:4px solid #bd590d;background:#fff3e5;padding:22px 28px;margin:32px 0}.v6-patent strong{font-size:18px;color:#173943}.v6-patent p{margin:8px 0 0;color:#435961;font-size:14px}
.v6-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(250px,100%),1fr));gap:24px;margin:30px 0}.v6-cards article{padding:24px;border-top:3px solid #008080;background:#f1f6f3;min-width:0}.v6-cards article h3{font-size:22px;line-height:1.35;margin-bottom:12px}.v6-cards article p{line-height:1.7}.v6-case-cards{grid-template-columns:repeat(2,minmax(0,1fr))}.v6-prices .v5-metric{font-size:32px}.v6-prices article .btn{margin-top:18px}
.v6-states{display:flex;flex-wrap:wrap;gap:12px;list-style:none;margin:28px 0}.v6-states li{padding:12px 18px;background:#ecf2ef;border-left:3px solid #008080;max-width:100%}
.v6-demo{display:grid;grid-template-columns:1fr 250px;gap:40px;background:#f4f7f5;border:1px solid #bbceca;padding:32px;margin:32px 0}.v6-demo-label{font-size:12px;color:#6f390b;font-weight:bold;letter-spacing:.3px}.v6-demo dl{display:grid;grid-template-columns:1fr 1.2fr;margin-top:20px}.v6-demo dt,.v6-demo dd{padding:12px 0;border-top:1px solid #c9d6d4;margin:0;line-height:1.5}.v6-demo dt{font-weight:bold;padding-right:20px}.v6-demo figure{align-self:center;text-align:center}.v6-demo img{width:220px;height:220px;background:white;padding:8px}.v6-demo figcaption{font-size:12px;margin-top:12px}
.v6-footer{background:#192735;color:#dce9e8;padding:52px 0 20px}.v6-footer a{color:#9be3d8}.v6-footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px}.v6-footer nav{display:grid;gap:7px}.v6-footer p{font-size:14px}.v6-footer-note{margin:30px 0 20px;border-top:1px solid #53646c;padding-top:20px;font-size:12px!important}
.v6-top{position:fixed;bottom:20px;right:20px;background:#e65c00;color:#fff;z-index:900;padding:12px 16px;box-shadow:0 4px 20px #102c3833;border-radius:4px;font-weight:700;font-size:14px;min-height:44px}.v6-top[hidden]{display:none}
.v6-form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.hydrosentinel-request-form fieldset{border:0;min-width:0}.hydrosentinel-request-form legend{font-weight:bold;font-size:20px;padding:0;margin-bottom:18px}.hydrosentinel-request-form label{display:block;margin-bottom:15px;font-size:15px;font-weight:600}.hydrosentinel-request-form input:not([type=checkbox]),.hydrosentinel-request-form select,.hydrosentinel-request-form textarea{width:100%;max-width:100%;border:1px solid #80979b;padding:12px;background:white;color:#152e38;font:inherit;display:block;margin-top:6px;border-radius:3px}.hydrosentinel-request-form textarea{resize:vertical}.hydrosentinel-request-form .v6-consent{display:flex;align-items:flex-start;gap:10px;font-size:13px;line-height:1.5}.v6-consent input{margin-top:4px;flex-shrink:0}
.v6-book{display:flow-root}.v6-book img{float:left;width:230px;height:auto;margin:0 34px 24px 0}.v6-book p{font-size:19px}
.section .container>h2{margin-bottom:24px}main>span{display:block;scroll-margin-top:100px}section[id],form[id],.v6-demo[id]{scroll-margin-top:110px}.v5-hero h1{color:var(--orange)}.v5-hero h1 em{color:#80ded2}.v5-hero-art{padding-bottom:0}.v5-hero-art .v5-hugo-hero img{height:auto}.v5-hero .hero-actions{display:flex;gap:14px;flex-wrap:wrap}.v5-hero .hero-actions .btn{padding:16px 20px}.v5-hugo strong{overflow-wrap:anywhere}.v5-hugo img{flex-shrink:0}.v6-cards p,.section p{overflow-wrap:break-word}.btn{white-space:normal;overflow-wrap:anywhere;max-width:100%}.fade-in{opacity:1;transform:none}
@media(max-width:1120px){.v6-main-nav{display:none}.v6-menu{display:block;margin-left:auto}.v6-languages{margin-left:0}.v6-nav-inner{gap:15px}.v6-menu span{display:none}}
@media(max-width:760px){.v6-nav-inner{padding:12px 16px;gap:8px;flex-wrap:wrap}.v6-brand{font-size:18px}.v6-languages{margin-left:auto}.v6-languages a{min-width:30px;min-height:34px}.v6-footer-grid,.v6-demo{grid-template-columns:1fr}.v6-case-cards{grid-template-columns:1fr}.v6-demo{padding:22px;gap:18px}.v6-demo dl{grid-template-columns:1fr}.v6-demo dd{border-top:0;padding-top:0}.v6-page-hero{padding:40px 0}.v6-form-grid{grid-template-columns:1fr}.v6-top{bottom:14px;right:12px}.v6-top span{display:none}.v6-book img{float:none;display:block;margin:0 auto 24px}.v6-patent{padding:20px}.v5-hero-grid{gap:28px}}
@media(max-width:440px){.v6-brand{font-size:17px}.v6-brand img{width:28px;height:31px}.v6-languages{width:100%;justify-content:flex-end}.v6-nav-inner{padding-top:9px;padding-bottom:6px;row-gap:3px}.v6-languages a{min-height:27px}.v5-hero h1{font-size:37px}.v5-hero .hero-actions{display:grid}.v6-prices .v5-metric{font-size:29px}.v6-cards article{padding:20px}.v6-page-hero h1{overflow-wrap:anywhere}.v5-hero-art .v5-hugo-hero img{width:110px}.v5-hero-art .v5-hugo-hero p{font-size:15px;padding:15px}.v5-hero-art .v5-hugo-hero{margin-top:18px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}
@media(max-width:1120px){html:not(.v6-js) .v6-mobile{display:block}html:not(.v6-js) .v6-menu{display:none}}