:root{--osna-red:#a81a18;--osna-green:#789016;--osna-dark:#252525;--osna-gray:#f1f1f1}html{scroll-padding-top:25px;scroll-behavior:smooth}body{overflow-x:hidden}.osna-reviewbar{font:11px/1.5 Arial,sans-serif;padding:5px 16px;text-align:center;background:#fff4d8;color:#5b4821}.osna-top{background:#999}.osna-top .container{display:flex;gap:0;flex-wrap:wrap}.osna-top a{display:inline-block;color:white;font-size:16px;padding:10px 17px}.osna-top a:first-child{background:var(--osna-red)}.osna-top i{margin-right:9px}.osna-brand-row{display:flex;justify-content:space-between;align-items:center;gap:30px;padding-top:16px;padding-bottom:16px}.osna-brand-row img{display:block;max-width:350px;width:100%;height:auto}.osna-motto{background:var(--osna-red);color:white;font-size:26px;line-height:1.2;padding:9px 18px;text-align:right}.osna-motto span{display:block;font-size:18px;margin-top:5px}.osna-nav-wrap{border-top:1px solid #ddd;border-bottom:1px solid #ddd;background:#fff}.osna-nav-row{display:flex;align-items:stretch;justify-content:space-between;gap:16px}.osna-nav{display:flex;align-items:center;gap:30px}.osna-nav>a,.osna-dropdown>summary{color:#222;font-size:13px;font-weight:700;text-transform:uppercase;padding:18px 0;cursor:pointer;list-style:none}.osna-nav a:hover{color:var(--osna-red)}.osna-dropdown{position:relative}.osna-dropdown>summary:after{content:' ▾';font-size:11px}.osna-dropdown>div{position:absolute;z-index:50;top:100%;left:-20px;width:280px;border-top:3px solid var(--osna-red);background:#fff;box-shadow:0 8px 30px #0002}.osna-dropdown>div>a{display:block;color:#222;font-size:13px;padding:12px 18px;border-bottom:1px solid #eee}.osna-contact-nav{background:var(--osna-green);color:#fff!important;padding:16px 20px;display:flex;align-items:center;gap:22px;font-size:13px;font-weight:700;text-transform:uppercase}.osna-menu-button{display:none;cursor:pointer;border:1px solid #ccc;background:#fff;color:#222;padding:10px 15px;font-weight:600}.osna-hero{background:linear-gradient(90deg,#121212e8,#151515c0),url("530bf2d01aba09e3.jpg") center/cover;color:#fff}.osna-hero-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:65px;align-items:center;min-height:540px;padding-top:48px;padding-bottom:48px}.osna-kicker{display:block;text-transform:uppercase;letter-spacing:2px;font-size:12px;font-weight:700;color:var(--osna-red);margin-bottom:18px}.osna-hero .osna-kicker{color:#fff;border-left:5px solid var(--osna-red);padding-left:16px}.osna-hero h1{font-size:49px;font-weight:600;color:white;line-height:1.13;letter-spacing:-1.5px;margin-bottom:24px}.osna-hero p{font-size:18px;line-height:1.6;color:#eee;margin-bottom:26px}.osna-hero-image{width:100%;max-height:450px;object-fit:contain}.osna-actions{display:flex;gap:13px;flex-wrap:wrap}.osna-button{display:inline-flex;align-items:center;justify-content:center;gap:12px;background:var(--osna-green);color:#fff!important;border:0;padding:15px 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1fr;gap:65px;align-items:center}.osna-split>img{width:100%;max-height:430px;object-fit:contain}.osna-service-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:23px;margin-top:30px}.osna-service-card{background:#fff;border:1px solid #ddd;padding:26px 23px;display:flex;flex-direction:column}.osna-service-card h3{font-size:21px;font-weight:600;line-height:1.25;margin:19px 0 13px}.osna-service-card img{width:52px;height:52px}.osna-service-card p{font-size:14px;line-height:1.65;flex:1}.osna-service-card a{font-weight:700;color:var(--osna-red);font-size:13px}.osna-make-head{display:flex;justify-content:space-between;align-items:end;gap:35px;margin-bottom:28px}.osna-make-head h2{margin-bottom:0}.osna-maker-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.osna-maker{border:1px solid #ddd;background:white;padding:23px;color:#222;display:block}.osna-maker:hover{border-color:var(--osna-red);box-shadow:0 8px 22px #0001;color:#222}.osna-maker 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var(--osna-red);background:#f1f1f1;font-size:14px;margin-top:25px}.osna-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:30px;margin-top:32px}.osna-step{border-top:3px solid var(--osna-red);padding-top:23px}.osna-step h3{font-size:21px;font-weight:600}.osna-step p{font-size:14px}.osna-faq details{border-top:1px solid #ddd;padding:20px 0}.osna-faq details:last-child{border-bottom:1px solid #ddd}.osna-faq summary{font-size:18px;font-weight:600;cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:20px}.osna-faq summary:after{content:'+';color:var(--osna-red)}.osna-faq details[open] summary:after{content:'−'}.osna-faq p{font-size:15px;margin:15px 0 0}.osna-cta{background:#333;color:#fff;padding:45px 0}.osna-cta .container{display:flex;justify-content:space-between;align-items:center;gap:35px}.osna-cta h2{color:#fff;font-size:29px;line-height:1.2;margin-bottom:12px}.osna-cta p{margin-bottom:0;color:#eee;font-size:15px}.osna-contact-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:65px}.osna-contact-data{background:#f1f1f1;padding:27px}.osna-contact-data a{color:var(--osna-red);overflow-wrap:anywhere}.osna-form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.osna-form-grid .wide{grid-column:1/-1}.osna-form label{display:block;font-weight:600;font-size:14px;margin-bottom:6px}.osna-form input,.osna-form textarea,.osna-form select,.osna-search input{width:100%;border:1px solid #bbb;padding:12px;color:#222;background:white;font:15px/1.5 'Quicksand',Arial,sans-serif}.osna-form textarea{min-height:125px;resize:vertical}.osna-form .hint{font-size:13px;margin-top:18px;line-height:1.5;color:#555}.osna-draft{border:1px solid #ccc;background:#f5f5f5;padding:22px;margin-top:25px}.osna-draft pre{white-space:pre-wrap;overflow-wrap:anywhere;background:transparent;border:0;padding:0;font:15px/1.6 'Quicksand',Arial,sans-serif}.osna-search{display:flex;gap:12px;max-width:600px;margin-bottom:25px}.osna-search-result{font-size:14px;margin-bottom:25px}.osna-legal-note{background:#fff3da;border-left:4px solid #b07a00;padding:20px;margin-bottom:25px}.osna-skip{position:absolute;top:-200px;left:15px;background:white;color:#222;padding:15px;z-index:100}.osna-skip:focus{top:15px}a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid var(--osna-red);outline-offset:4px}.osna-hero a:focus-visible{outline-color:white}.osna-wordmark-large{background:#f1f1f1;border:1px solid #ddd;padding:55px 25px;font-family:Georgia,serif;font-size:60px;letter-spacing:7px;text-align:center;color:#333}.page-content .wt-bnr-inr .wt-title{font-size:40px}.osna-inline-form{margin-top:30px}[hidden]{display:none!important}.osna-site-header a,.osna-button,.osna-maker{text-decoration:none}.site-footer a{overflow-wrap:anywhere}.site-button-safequantz{animation:none!important}
@media(max-width:1050px){.osna-nav{gap:22px}.osna-hero h1{font-size:42px}.osna-hero-grid{gap:30px}.osna-service-grid{grid-template-columns:1fr 1fr}.osna-brand-row img{max-width:320px}.osna-motto{font-size:23px}.osna-split,.osna-contact-layout{gap:35px}}
@media(max-width:767px){.osna-reviewbar{font-size:10px}.osna-top a{font-size:14px;padding:9px 12px}.osna-top a:last-child{display:none}.osna-brand-row{padding-top:17px;padding-bottom:17px}.osna-brand-row img{max-width:330px}.osna-motto{display:none}.osna-nav-row{flex-wrap:wrap;align-items:center;padding-top:12px;padding-bottom:12px;gap:12px}.osna-menu-button{display:block;order:1}.osna-contact-nav{order:2;padding:12px 17px;font-size:12px}.osna-nav{display:none;order:3;width:100%;flex-direction:column;align-items:stretch;gap:0}.osna-nav.open{display:flex}.osna-nav>a,.osna-dropdown>summary{padding:13px 5px;border-bottom:1px solid #eee}.osna-dropdown>div{position:static;width:auto;box-shadow:none;border-top:0;border-left:3px solid var(--osna-red);margin-left:5px}.osna-hero-grid{grid-template-columns:1fr;gap:30px;min-height:0;padding-top:34px;padding-bottom:30px}.osna-hero h1{font-size:36px;line-height:1.16;letter-spacing:-.8px}.osna-hero p{font-size:16px}.osna-hero-image{max-height:310px;width:100%;margin:auto}.osna-button{padding:13px 17px;font-size:13px}.osna-quick{grid-template-columns:1fr 1fr;padding:10px 0}.osna-quick a,.osna-quick a:first-child{padding:14px 10px;font-size:12px;gap:10px}.osna-quick a:nth-child(2){border-right:0}.osna-quick a:nth-child(-n+2){border-bottom:1px solid #ddd}.osna-quick img{width:27px;height:27px}.osna-section{padding:42px 0}.osna-section h2{font-size:29px}.osna-split,.osna-contact-layout{grid-template-columns:1fr;gap:30px}.osna-service-grid{grid-template-columns:1fr;gap:15px}.osna-service-card{padding:24px}.osna-maker-grid{grid-template-columns:1fr}.osna-make-head{display:block}.osna-make-head>a{display:inline-block;margin-top:15px}.osna-steps{grid-template-columns:1fr;gap:24px}.osna-page-title{font-size:34px}.osna-wordmark-large{font-size:38px;letter-spacing:4px;padding:40px 10px}.osna-cta .container{display:block}.osna-cta .osna-actions{margin-top:23px}.osna-cta h2{font-size:28px}.osna-form-grid{grid-template-columns:1fr}.osna-form-grid .wide{grid-column:auto}.osna-search{flex-direction:column}.osna-search .osna-button{align-self:flex-start}.page-content .wt-bnr-inr .wt-title{font-size:31px}.osna-top .container{padding-left:0;padding-right:0}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}}

.osna-menu-button i{margin-left:8px}

.osna-legal-content{overflow-wrap:anywhere}
.osna-content-visual{text-align:center;display:flex;flex-direction:column;align-items:center;gap:25px}.osna-profile-logo{max-width:260px;max-height:65px;object-fit:contain}.osna-content-photo{width:100%;max-height:340px;object-fit:contain}.osna-info-layout{display:grid;grid-template-columns:1fr 1fr;gap:65px;align-items:start}.osna-checklist{list-style:none;padding:0;margin:0}.osna-checklist li{padding:12px 0 12px 24px;border-bottom:1px solid #ddd;position:relative;font-size:15px}.osna-checklist li:before{content:'✓';position:absolute;left:0;color:#a81a18}.osna-photo-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.osna-photo-grid figure{margin:0;background:white}.osna-photo-grid img{width:100%;height:205px;object-fit:cover}.osna-photo-grid figcaption{padding:12px 14px;font-size:13px;color:#555}.osna-system-links{display:grid;grid-template-columns:repeat(2,1fr);gap:15px}.osna-system-links a{padding:17px 20px;background:white;border:1px solid #ddd;color:#a81a18;font-size:15px}.osna-related-services{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}.osna-related-services article{background:white;border:1px solid #ddd;padding:22px}.osna-related-services h3{font-size:20px;line-height:1.2}.osna-related-services a{display:block;color:#a81a18;margin-top:15px;font-size:13px}.osna-source{font-size:13px!important;color:#666}@media(max-width:767px){.osna-info-layout,.osna-related-services,.osna-photo-grid,.osna-system-links{grid-template-columns:1fr;gap:24px}.osna-content-photo{max-height:280px}.osna-info-layout{gap:30px}.osna-photo-grid img{height:230px}.osna-profile-logo{max-width:240px;max-height:55px}}

/* Startseite, Schritt 02: Originalnavigation, Logoleiste, Servicefahrzeug. */
.osna-nav-row{gap:20px}.osna-nav{gap:18px;flex:1;justify-content:space-between}.osna-nav>a,.osna-dropdown>summary{font-size:11.5px;white-space:nowrap}.osna-contact-nav{font-size:12px;padding:16px}.osna-dropdown>div{z-index:100}.osna-dropdown .osna-customer-menu{width:420px;display:grid;grid-template-columns:1fr 1fr;padding:10px 0}.osna-customer-menu .osna-menu-heading{grid-column:1/-1;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:1px;color:#777;padding:13px 18px 7px}.osna-customer-menu>a{font-size:12px!important}.osna-customer-menu .osna-menu-all{grid-column:1/-1;color:var(--osna-red);font-weight:700}
.osna-brand-strip{background:#f4f4f2;border-bottom:1px solid #ddd;padding:15px 0 17px}.osna-brand-strip-heading{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-bottom:10px}.osna-brand-strip-heading h2{font-size:12px;line-height:1.4;letter-spacing:1.5px;text-transform:uppercase;font-weight:700;color:#444;margin:0}.osna-brand-strip-heading>a{color:#555;font-size:12px;text-decoration:underline}.osna-brand-carousel{display:grid;grid-template-columns:38px minmax(0,1fr) 38px;gap:12px;align-items:center}.osna-brand-track{display:flex;gap:14px;overflow-x:auto;scroll-snap-type:x mandatory;overscroll-behavior-x:contain;scrollbar-width:thin;scrollbar-color:#aaa transparent;padding:2px 0 9px}.osna-brand-track:focus-visible{outline:2px solid var(--osna-red);outline-offset:3px}.osna-brand-tile{flex:0 0 calc((100% - 70px)/6);min-width:130px;height:76px;padding:16px 12px;border:1px solid #e1e1de;background:#fff;display:flex;align-items:center;justify-content:center;scroll-snap-align:start;transition:border-color .15s}.osna-brand-tile:hover{border-color:var(--osna-red)}.osna-brand-tile img{width:100%;height:42px;object-fit:contain}.osna-brand-arrow{width:38px;height:48px;border:1px solid #c7c7c2;background:#fff;color:#333;font:30px/1 Arial,sans-serif;cursor:pointer;padding:0}.osna-brand-arrow:hover{background:var(--osna-red);border-color:var(--osna-red);color:#fff}.osna-brand-arrow:disabled{opacity:.3;cursor:default;background:#fff;color:#333;border-color:#c7c7c2}
.osna-hero{background:linear-gradient(110deg,#242728,#121718);position:relative}.osna-hero-grid{min-height:460px;padding-top:44px;padding-bottom:44px;gap:45px;grid-template-columns:1.12fr 1fr}.osna-hero h1{font-size:48px;max-width:590px}.osna-hero p{max-width:580px}.osna-hero-image{max-height:365px}.osna-field-service{background:#fff;padding:60px 0}.osna-field-grid{display:grid;grid-template-columns:1.08fr 1fr;gap:55px;align-items:center}.osna-field-figure{margin:0;min-width:0}.osna-field-figure img{display:block;width:100%;height:auto;border-radius:2px}.osna-field-figure figcaption{font-size:12px;line-height:1.5;color:#666;margin-top:10px}.osna-field-copy h2{font-size:34px;line-height:1.18;margin-bottom:20px;font-weight:600}.osna-field-copy>p{font-size:16px;line-height:1.75}.osna-field-points{list-style:none;padding:0;margin:22px 0 26px}.osna-field-points li{position:relative;padding:8px 0 8px 19px;border-bottom:1px solid #eee;font-size:14px;line-height:1.6}.osna-field-points li:before{content:'';position:absolute;width:5px;height:5px;background:var(--osna-red);left:0;top:17px}
@media(min-width:1200px){.osna-nav-wrap>.container{max-width:1230px}.osna-dropdown[open]>summary{color:var(--osna-red)}}
@media(max-width:1199px){.osna-nav-row{flex-wrap:wrap;align-items:center;padding-top:12px;padding-bottom:12px;gap:12px}.osna-menu-button{display:block;order:1}.osna-contact-nav{order:2;padding:12px 17px}.osna-nav{display:none;order:3;flex-basis:100%;width:100%;flex-direction:column;align-items:stretch;gap:0}.osna-nav.open{display:flex}.osna-nav>a,.osna-dropdown>summary{padding:13px 5px;border-bottom:1px solid #eee;font-size:13px}.osna-dropdown>div{position:static;box-shadow:none;width:auto;border-top:0;border-left:3px solid var(--osna-red);margin-left:5px}.osna-dropdown .osna-customer-menu{width:auto}.osna-brand-tile{flex-basis:calc((100% - 42px)/4)}.osna-hero h1{font-size:42px}}
@media(max-width:767px){.osna-brand-strip{padding-top:13px;padding-bottom:10px}.osna-brand-strip-heading h2{font-size:10px;letter-spacing:.8px}.osna-brand-strip-heading>a{font-size:11px}.osna-brand-carousel{grid-template-columns:30px minmax(0,1fr) 30px;gap:7px}.osna-brand-arrow{width:30px;height:44px}.osna-brand-track{gap:10px}.osna-brand-tile{min-width:0;flex-basis:calc((100% - 10px)/2);height:65px;padding:13px 9px}.osna-brand-tile img{height:34px}.osna-hero-grid{min-height:0;grid-template-columns:1fr;gap:24px;padding-top:32px;padding-bottom:30px}.osna-hero h1{font-size:35px;line-height:1.15;letter-spacing:-.7px}.osna-hero-image{max-height:260px}.osna-field-service{padding:40px 0}.osna-field-grid{grid-template-columns:1fr;gap:25px}.osna-field-copy h2{font-size:29px}.osna-field-copy>p{font-size:15px}.osna-dropdown .osna-customer-menu{grid-template-columns:1fr}.osna-customer-menu .osna-menu-heading,.osna-customer-menu .osna-menu-all{grid-column:auto}}

/* Telefonkontakte entsprechend Kundenwunsch in Grün. */
.osna-top a:first-child{background:#687f14}.osna-contact-data a[href^="tel:"]{color:#5b7210}.osna-cta a[href^="tel:"]{background:#687f14}.osna-cta a[href^="tel:"]:hover{background:#536710}

/* Entwurf 05: besser lesbare Hauptnavigation. */
.osna-nav-row{gap:18px}.osna-nav{gap:14px}.osna-nav>a,.osna-dropdown>summary{font-size:15px;line-height:1.45}.osna-contact-nav{font-size:13px;padding-left:16px;padding-right:16px}
@media(max-width:1199px){.osna-nav>a,.osna-dropdown>summary{font-size:15px;padding-top:14px;padding-bottom:14px}.osna-nav{gap:0}}

/* Firefox: give the percentage-sized SVG a definite flex container width. */
.osna-site-header .osna-brand-row>a:first-child{display:block;flex:0 1 300px;width:300px;max-width:100%;min-width:0}
.osna-site-header .osna-brand-row>a:first-child>img{display:block;width:100%;max-width:100%;height:auto}