:root{--blue:#144e75;--ink:#171b1e;--muted:#5c666d;--line:#d7dde0;--paper:#fff;--light:#f1f3f4}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:110px}body{margin:0;color:var(--ink);background:var(--paper);font-family:Arial,Helvetica,sans-serif;font-size:16px;line-height:1.6}a{color:inherit;text-decoration:none}button,input,textarea{font:inherit}button,a{-webkit-tap-highlight-color:transparent}button{cursor:pointer}a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid #3f8fbe;outline-offset:5px}img{display:block;max-width:100%;height:auto}h1,h2,h3,p{margin:0}h1,h2,h3{line-height:1.04;font-weight:600;letter-spacing:-.055em}.header{height:108px;display:flex;align-items:center;justify-content:space-between;padding:0 5%;background:#fff;position:sticky;top:0;z-index:20;border-bottom:1px solid var(--line)}.brand{width:205px}.header nav{display:flex;gap:38px;align-items:center;font-size:15px}.header nav a:hover{color:var(--blue)}.nav-contact{border:1px solid var(--line);padding:12px 20px}.nav-contact span{margin-left:22px}.menu-toggle{display:none}.hero{display:grid;grid-template-columns:1.05fr 1fr;min-height:610px}.hero-text{padding:70px 9.5% 24px;display:flex;align-items:flex-start;flex-direction:column}.eyebrow{font-size:12px;font-weight:700;letter-spacing:.12em;display:flex;align-items:center;gap:13px}.short-rule{width:30px;height:2px;background:var(--blue)}h1{font-size:clamp(46px,4.8vw,78px);white-space:pre-line;margin:38px 0 25px;max-width:700px}.intro{font-size:18px;max-width:420px;color:var(--muted);line-height:1.65}.button{display:inline-flex;align-items:center;gap:38px;background:var(--blue);color:#fff;min-height:54px;padding:13px 24px;margin-top:30px;font-size:15px;transition:background .2s}.button:hover{background:#0c3551}.hero-bottom{margin-top:auto;padding-top:56px;display:flex;justify-content:space-between;width:100%;font-size:11px;letter-spacing:.09em}.hero-bottom a{font-size:13px;letter-spacing:0}.hero-bottom a span{margin-left:20px}.hero-visual{background:#dce2e5;position:relative;overflow:hidden;min-height:450px}.hero-photo{position:absolute;inset:0;background-color:#8d9da8;background-size:cover;background-position:center;transition:transform 1s}.hero-visual:hover .hero-photo{transform:scale(1.025)}.image-caption{position:absolute;bottom:0;left:0;right:0;padding:19px 28px;background:var(--blue);color:#fff;display:flex;justify-content:space-between;letter-spacing:.12em;font-size:11px}.section{padding:92px 5%}.section-head{display:grid;grid-template-columns:1fr 1.7fr;align-items:start;margin-bottom:55px}.section-head .eyebrow{padding-top:8px;color:var(--blue)}h2{font-size:clamp(36px,4vw,58px)}.service-row{position:relative;border-top:1px solid var(--line);padding:40px 0;display:grid;grid-template-columns:.16fr 1fr .7fr;gap:24px}.service-row:last-child{border-bottom:1px solid var(--line)}.number{font-size:14px;color:var(--muted)}h3{font-size:38px;letter-spacing:-.04em}.blue{color:var(--blue)}.service-row p{max-width:440px;margin-top:18px;color:var(--muted)}.service-row ul{list-style:none;margin:4px 0 30px;padding:0}.service-row li{padding:10px 0;border-bottom:1px solid var(--line);font-size:15px}.service-label{position:absolute;right:0;bottom:18px;font-size:10px;letter-spacing:.12em;color:var(--muted)}.references{background:var(--light)}.empty-project{border-top:1px solid #cbd2d6;display:grid;grid-template-columns:1fr 1.7fr;padding-top:42px}.empty-index{font-size:110px;color:#b7c4cd;line-height:1}.empty-project h3{font-size:26px}.empty-project p{max-width:500px;color:var(--muted);margin:18px 0 24px}.text-link{display:inline-flex;align-items:center;gap:40px;border-bottom:1px solid;padding-bottom:5px;font-size:15px}.contact{background:var(--blue);color:#fff;display:grid;grid-template-columns:1fr 1fr;gap:70px}.contact h2{font-size:clamp(48px,5vw,76px);margin:30px 0 25px}.contact-heading>p:last-child{max-width:340px;color:#e0e8ef}.contact-details{padding-top:28px}.contact-line{border-bottom:1px solid #ffffff4d;padding:24px 0;overflow-wrap:anywhere}.contact-line>span{font-size:11px;letter-spacing:.12em;color:#d2e0ea}.contact-line>div{font-size:clamp(19px,2vw,27px);margin-top:8px;line-height:1.4}.contact-line a:hover{text-decoration:underline}#region{margin-top:20px}footer{display:flex;justify-content:space-between;align-items:center;padding:40px 5%;gap:30px}footer img{width:160px}footer>span{font-size:13px;color:var(--muted)}footer>div{display:flex;align-items:center;gap:24px}footer button{background:none;border:0;padding:12px 0;color:var(--muted);font-size:14px}footer a:last-child{padding:10px}dialog{border:0;max-width:650px;width:calc(100% - 32px);padding:35px}dialog::backdrop{background:#10222dbf}.dialog-top{display:flex;justify-content:space-between;gap:20px;margin-bottom:25px}.dialog-top h2{font-size:32px}.dialog-top button{background:none;border:0;font-size:32px;min-width:44px;min-height:44px}#legal-content{white-space:pre-wrap}.skip{position:fixed;top:-100px;left:15px;background:#fff;padding:10px;z-index:50}.skip:focus{top:10px}.notice{padding:20px}.reveal{opacity:1}.motion .reveal{opacity:0;transform:translateY(22px);transition:opacity .7s,transform .7s}.motion .reveal.visible{opacity:1;transform:none}.project{display:grid;grid-template-columns:1fr 1fr;gap:36px;padding:35px 0;border-top:1px solid var(--line)}.project img{width:100%;aspect-ratio:4/3;object-fit:cover}.project p{margin-top:16px;color:var(--muted)}.project small{display:block;color:var(--blue);margin:12px 0}.project h3{font-size:30px}@media(min-width:1600px){body{max-width:1800px;margin:auto}.hero{min-height:720px}}@media(max-width:900px){.header{height:90px}.brand{width:170px}.header nav{gap:22px}.hero{min-height:550px}.hero-text{padding-top:45px}h1{font-size:48px}.section-head{grid-template-columns:1fr 1.5fr}.service-row{grid-template-columns:35px 1fr 1fr}.contact{gap:30px}footer>span{display:none}}@media(max-width:640px){html{scroll-padding-top:90px}.header{height:82px;padding:0 6%}.brand{width:155px}.menu-toggle{display:flex;gap:14px;align-items:center;border:0;background:none;min-height:48px;padding:8px;font-size:14px}.header nav{display:none;position:absolute;top:81px;left:0;right:0;background:white;padding:20px 6%;border-bottom:1px solid var(--line);align-items:stretch;gap:8px}.header nav.open{display:flex;flex-direction:column}.header nav a{padding:13px}.hero{grid-template-columns:1fr}.hero-text{padding:38px 6% 26px}h1{font-size:clamp(42px,10.8vw,65px);margin:26px 0 20px}.intro{font-size:17px}.hero-bottom{padding-top:34px}.hero-visual{min-height:330px}.section{padding:58px 6%}.section-head{grid-template-columns:1fr;gap:24px;margin-bottom:35px}.service-row{grid-template-columns:28px 1fr;gap:14px;padding:30px 0 38px}.service-row ul{grid-column:2;margin:0}.service-label{bottom:10px}h3{font-size:32px}.empty-project{grid-template-columns:36px 1fr;gap:10px}.empty-index{font-size:60px}.empty-project h3{font-size:24px}.contact{grid-template-columns:1fr;gap:0}.contact h2{font-size:56px}.contact-details{padding-top:10px}footer{padding:30px 6%;flex-wrap:wrap}footer img{width:145px}footer>div{gap:20px}.project{grid-template-columns:1fr;gap:20px}.eyebrow{font-size:11px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important;animation:none!important}.motion .reveal{opacity:1;transform:none}}
.hero-photo{background-image:url("assets/rohbau.jpg");background-position:50% 45%}
#address{white-space:pre-line}h1,h2,h3{overflow-wrap:anywhere}.hero-text,.service-row>div,.contact-details{min-width:0}

/* Service accordion */
.service-accordion{min-width:0;align-self:start;margin:0 0 26px}
.service-toggle{display:flex;align-items:center;justify-content:space-between;gap:20px;width:100%;min-height:56px;padding:12px 0;border:0;border-bottom:1px solid var(--line);background:transparent;color:var(--ink);text-align:left;font-size:16px;line-height:1.5;transition:color .2s}
.service-toggle:hover,.service-toggle[aria-expanded="true"]{color:var(--blue)}
.accordion-icon{position:relative;width:18px;height:18px;flex:0 0 18px;color:var(--blue)}
.accordion-icon::before,.accordion-icon::after{content:"";position:absolute;background:currentColor;top:8px;left:2px;width:14px;height:2px}
.accordion-icon::after{transform:rotate(90deg);transition:transform .25s,opacity .25s}
.service-toggle[aria-expanded="true"] .accordion-icon::after{transform:rotate(0deg);opacity:0}
.service-panel{display:grid;grid-template-rows:0fr;visibility:hidden;opacity:0;transition:grid-template-rows .3s ease,opacity .25s ease,visibility .3s}
.service-panel.is-open{grid-template-rows:1fr;visibility:visible;opacity:1}
.service-panel-inner{min-height:0;overflow:hidden}
.service-row .service-panel ul{margin:0;padding:8px 0 0}
.service-panel li{overflow-wrap:anywhere}
@media(max-width:640px){.service-accordion{grid-column:2;margin-bottom:4px}}

/* Readable legal texts, also editable as plain text in the content editor. */
#legal-dialog{width:calc(100% - 32px);max-width:760px;max-height:85dvh;overflow-y:auto;overscroll-behavior:contain}
#legal-dialog .dialog-top{position:sticky;top:-35px;background:#fff;padding:12px 0;z-index:1}
#legal-dialog .dialog-top h2{overflow-wrap:normal;font-size:clamp(24px,5vw,32px)}
#legal-content{white-space:normal;overflow-wrap:anywhere}
#legal-content h3{font-size:20px;line-height:1.35;letter-spacing:-.02em;margin:30px 0 12px}
#legal-content h3:first-child{margin-top:0}
#legal-content p{white-space:pre-line;margin:0 0 18px;line-height:1.7}
@media(max-width:640px){#legal-dialog{padding:22px}#legal-dialog .dialog-top{top:-22px}}

.inquiry{grid-column:1/-1;display:grid;grid-template-columns:1fr 1.4fr;gap:70px;border-top:1px solid #ffffff4d;padding-top:50px;margin-top:12px}
.inquiry h3{font-size:clamp(30px,3vw,44px);margin:25px 0 20px}.inquiry>div>p:last-child{max-width:290px;color:#e0e8ef}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}#contact-form label{display:block;font-size:14px}#contact-form input,#contact-form select,#contact-form textarea{display:block;width:100%;min-height:48px;margin:7px 0 20px;padding:12px;border:1px solid #ffffff70;border-radius:0;background:#fff;color:var(--ink);font:inherit;font-size:16px}#contact-form textarea{resize:vertical}#contact-form select:focus-visible{outline:3px solid #8fc9ee;outline-offset:3px}.form-privacy{font-size:14px;color:#e0e8ef;margin-bottom:24px}.form-privacy button{font:inherit;color:inherit;background:none;border:0;padding:0;text-decoration:underline;cursor:pointer}.send-button{display:flex;justify-content:space-between;gap:40px;border:0;background:white;color:var(--blue);min-height:52px;padding:14px 22px}.send-button:disabled{opacity:.65;cursor:wait}#form-status{margin-top:18px;font-size:15px;max-width:550px}.form-trap{display:none}
.cookie-banner{position:fixed;z-index:30;left:24px;right:24px;bottom:24px;margin:auto;max-width:980px;padding:26px 30px;border:1px solid var(--line);background:#fff;box-shadow:0 5px 30px #17242c15;display:flex;align-items:center;gap:32px}.cookie-banner[hidden]{display:none}.cookie-banner h2{font-size:22px;letter-spacing:-.025em;margin-bottom:10px}.cookie-banner p{font-size:14px;color:var(--muted);max-width:630px}.cookie-privacy{padding:8px 0 0;border:0;background:none;color:var(--blue);text-decoration:underline;font-size:14px}#cookie-confirm{flex-shrink:0;background:var(--blue);color:#fff;border:0;min-height:48px;padding:14px 18px;font-size:14px}footer>div{flex-wrap:wrap}
@media(max-width:760px){.inquiry{grid-template-columns:1fr;gap:30px}.cookie-banner{left:12px;right:12px;bottom:12px;padding:20px;display:block;max-height:65dvh;overflow:auto}#cookie-confirm{width:100%;margin-top:16px}}@media(max-width:480px){.form-grid{grid-template-columns:1fr;gap:0}.send-button{width:100%}}