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/* Additive navigation for the existing application. No checkout or API code is replaced. */
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@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}}

/* Shared visual language with the existing PURITY TECH pages. */
:root{--pt-ink:#0f172a;--pt-primary:#1a3b52;--pt-muted:#475569;--pt-border:rgba(26,59,82,.12);--pt-wash:#f5f9fc;--pt-radius:24px}
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html[lang=it] select.pt-lang{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 16'%3E%3Cpath fill='%23008c45' d='M0 0h8v16H0z'/%3E%3Cpath fill='%23f4f5f0' d='M8 0h8v16H8z'/%3E%3Cpath fill='%23cd212a' d='M16 0h8v16h-8z'/%3E%3C/svg%3E")}
.pt-nav .pt-button,.pt-button{min-height:36px;border-radius:6px;padding:8px 24px;font-size:14px;font-weight:800;line-height:20px;box-shadow:0 12px 28px rgba(26,59,82,.18)}
.pt-button-secondary{box-shadow:none}
.pt-hero{padding:64px 0 80px;background:radial-gradient(circle at 82% 18%,rgba(26,59,82,.12),transparent 24%),radial-gradient(circle at 12% 82%,rgba(26,59,82,.08),transparent 28%),linear-gradient(180deg,#fff,#f6fafc)}
.pt-hero::after{left:-12%;right:auto;top:auto;bottom:10%;width:min(42rem,60vw);height:min(15rem,28vw);border:0;border-top:1px solid rgba(26,59,82,.16);border-radius:999px;opacity:.8;z-index:-1}
.pt-hero h1{font-size:60px;line-height:1.2;font-weight:800;letter-spacing:0;color:#0f172a;max-width:1040px;margin-bottom:24px}
.pt-hero p:not(.pt-kicker){font-size:20px;line-height:1.625;font-weight:400;color:#475569;max-width:800px}
.pt-section{padding:80px 0}
.pt-intro h2,.pt-reference h2,.pt-featured h2,.pt-sidebar h2,.pt-sidebar h3,.pt-article h2,.pt-article h3,.pt-evidence h2{font-weight:800;letter-spacing:0;color:#0f172a}
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.pt-sources ol,.pt-toc ol{list-style:decimal;padding-left:22px}
.pt-legacy-links{display:grid;gap:16px;padding:16px 0 0;font-size:16px;font-weight:400;line-height:24px}
.pt-legacy-links a{display:flex;align-items:center;gap:8px;color:inherit;text-decoration:none}
.pt-legacy-links a::before{content:'';height:6px;width:6px;flex:none;border-radius:999px;background:rgba(26,59,82,.5)}
.pt-mobile summary{display:flex;align-items:center;justify-content:center;padding:8px;border:0;color:#1a3b52}
.pt-mobile-nav{top:100%;max-height:calc(100dvh - 97px);overflow-y:auto;overscroll-behavior:contain;padding:24px 32px;gap:12px;font-size:16px;line-height:24px;color:#475569}
.pt-mobile-nav a{padding:4px 0}
.pt-mobile-nav .pt-button{color:#fff;padding:10px 24px;justify-self:start}
.pt-mobile-nav .pt-lang{margin-top:4px}
@media(min-width:1024px) and (max-width:1200px){.pt-nav,.pt-legacy-nav{gap:16px;font-size:14px}.pt-legacy-nav{column-gap:16px!important}.pt-legacy-nav>a,.pt-legacy-menu{font-size:14px!important}.pt-legacy-primary{gap:16px}.pt-nav .pt-button,.pt-legacy-nav>a[href$="/buy-now"] button{padding-left:18px;padding-right:18px}}
@media(max-width:1023px){.pt-nav{display:none}.pt-mobile{display:block}.pt-header-inner{gap:16px}.pt-hero h1{font-size:48px}.pt-section{padding:64px 0}}
@media(max-width:700px){.pt-wrap{width:100%;padding-left:16px;padding-right:16px}.pt-header-inner{min-height:96px}.pt-brand img{height:64px;width:auto}.pt-hero{padding:40px 0 56px}.pt-hero h1{font-size:36px;line-height:1.25}.pt-hero p:not(.pt-kicker){font-size:18px}.pt-section{padding:48px 0}.pt-mobile-nav{padding:24px 16px}.pt-reference h2{font-size:24px}.pt-featured h2{font-size:28px}}
@media(max-width:1199px){.pt-nav,.pt-integrated-header nav.pt-legacy-nav{display:none!important}.pt-mobile{display:block}.pt-integrated-header .lg\:hidden{display:block!important}.pt-integrated-header nav.flex-col{background:#fff;max-height:calc(100dvh - 97px);overflow-y:auto;overscroll-behavior:contain}.pt-legacy-mobile-links a{padding:6px 0;color:#1a3b52}}
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 .pt-legacy-mobile-links{display:grid;gap:8px;padding:0;order:3}
 .pt-legacy-mobile-links a{display:flex;align-items:center;justify-content:space-between}
 .pt-integrated-header nav.flex-col>a[href$="/technology"]{order:1}
 .pt-integrated-header nav.flex-col>a[href$="/environments"]{order:2}
 .pt-integrated-header nav.flex-col>a[href$="/installation"]{order:4}
 .pt-integrated-header nav.flex-col>a[href$="/certifications"]{order:5}
 .pt-integrated-header nav.flex-col>a[download]{order:6}
 .pt-integrated-header nav.flex-col>a[href$="/login"]{order:7}
 .pt-integrated-header nav.flex-col>a[href$="/contact"]{order:8}
 .pt-integrated-header nav.flex-col>div:has(>button[role=combobox]){order:9}
 .pt-integrated-header nav.flex-col>div:has(>a[href$="/buy-now"]){order:10}
}

.pt-editorial a.pt-button:not(.pt-button-secondary){color:#fff}

@media(max-width:1023px){header nav.flex-col{background:#fff;max-height:calc(100dvh - 92px);overflow-y:auto;overscroll-behavior:contain}.pt-legacy-mobile-links a{padding:6px 0;color:#1a3b50}}