/* Rötgers: klare Systemschrift, echte Projektfotografie, ruhige Flächen. */
:root{--navy:#002753;--ink:#152331;--muted:#52606c;--line:#dce2e6;--shell:min(1200px,100% - 80px)}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:110px}
body{margin:0;background:#fff;color:var(--ink);font-family:Arial,Helvetica,sans-serif;font-size:17px;line-height:1.6}
a{color:inherit;text-underline-offset:5px}
a:hover{text-decoration-thickness:2px}
:focus-visible{outline:3px solid #009ee0;outline-offset:5px}
img{display:block;max-width:100%;height:auto}
h1,h2,h3,p{margin-top:0}
h1,h2,h3{font-family:inherit;font-weight:600;letter-spacing:-.025em;line-height:1.12;text-wrap:balance}
h2{font-size:clamp(2rem,4vw,3.4rem);margin-bottom:1.3rem}
h3{font-size:1.1rem}
.skip{position:fixed;left:16px;top:-100px;background:var(--navy);color:white;padding:12px;z-index:100}
.skip:focus{top:12px}
.topbar{position:fixed;inset:0 0 auto;z-index:10;display:flex;align-items:center;gap:32px;padding:18px 40px;background:transparent;color:#fff;border-bottom:1px solid transparent;transition:background-color .2s,color .2s,border-color .2s}
.topbar.is-scrolled{background:#fff;color:var(--ink);border-bottom-color:var(--line)}
.topbar:not(.is-scrolled) .nav a,.topbar:not(.is-scrolled) .top-cta{text-shadow:0 1px 8px rgba(0,0,0,.8)}
.topbar:not(.is-scrolled) .nav a:hover{color:#fff}
.topbar:not(.is-scrolled) .top-cta{border-left-color:rgba(255,255,255,.4)}
.brand{flex:none}.brand img{width:168px}
.nav{display:flex;gap:32px;margin-left:auto}.nav a{text-decoration:none;font-size:15px;font-weight:600;padding:8px 0}
.nav a:hover{color:var(--navy);text-decoration:underline}
.top-cta{font-size:14px;text-decoration:none;white-space:nowrap;padding-left:24px;border-left:1px solid var(--line)}
.hero{position:relative;min-height:650px;height:100svh;max-height:1000px;background:var(--navy);color:white;display:flex;align-items:end}
.hero>img{position:absolute;width:100%;height:100%;object-fit:cover;object-position:center 45%}
.hero::after{content:"";position:absolute;inset:0;background:radial-gradient(ellipse 340px 155px at 85px 25px,rgba(255,255,255,.9),transparent),linear-gradient(90deg,rgba(0,15,28,.74),rgba(0,15,28,.28) 52%,transparent 85%)}
.hero-copy{position:relative;z-index:1;width:var(--shell);margin:0 auto;padding:150px 0 72px}
.eyebrow{font-size:13px;letter-spacing:.08em;font-weight:600;text-transform:uppercase;margin-bottom:24px}
.hero h1{font-size:clamp(3rem,6vw,5.7rem);max-width:750px;margin-bottom:22px;color:white}
.hero-copy>p:not(.eyebrow){font-size:18px;max-width:370px;line-height:1.5}
.hero-link{display:inline-flex;gap:36px;margin-top:12px;padding-bottom:8px;border-bottom:1px solid rgba(255,255,255,.7);text-decoration:none;font-size:15px}
.section{width:var(--shell);margin:0 auto;padding:96px 0}
.intro>p:not(.eyebrow){color:var(--muted);margin-bottom:32px}
.portfolio-nav{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;font-size:16px}
.portfolio-nav a{display:block;text-decoration:none}
.portfolio-nav img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:opacity .2s}
.portfolio-nav a>span{display:flex;justify-content:space-between;align-items:baseline;gap:8px;padding:14px 0;border-bottom:1px solid var(--line)}
.portfolio-nav a:hover img{opacity:.85}
.portfolio-nav a:hover>span{text-decoration:underline;text-underline-offset:5px}
.project{margin:0;scroll-margin-top:110px}
.project>img{width:100%;height:clamp(480px,80svh,960px);object-fit:cover;object-position:center}
.project figcaption{width:var(--shell);margin:0 auto;padding:18px 0;display:flex;align-items:baseline;gap:24px;border-bottom:1px solid var(--line)}
.project figcaption>span{font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums}
.project h3{font-size:17px;font-weight:400;letter-spacing:0;margin:0}
.project-text{width:var(--shell);margin:0 auto;display:grid;grid-template-columns:1fr 1.3fr;gap:64px;align-items:center;padding:72px 0}
.project-text .eyebrow{color:var(--muted);margin-bottom:16px}
.project-text h2{font-size:clamp(1.6rem,3vw,2.4rem);margin-bottom:0}
.project-text>p{max-width:580px;color:var(--muted);margin:0}
.services{padding-top:72px}
.service-list{list-style:none;margin:48px 0 0;padding:0}
.service-list>li{display:grid;grid-template-columns:240px 1fr;gap:48px;align-items:center;padding:26px 0;border-top:1px solid var(--line)}
.service-list img{width:100%;aspect-ratio:3/2;object-fit:cover}
.service-list h3{font-size:20px;font-weight:600;line-height:1.3;letter-spacing:0;margin:0 0 12px}
.service-list p{margin:0;max-width:660px;color:var(--muted)}
.company{display:grid;grid-template-columns:1fr 1fr;gap:100px;border-top:1px solid var(--line)}
.company p{max-width:520px;color:var(--muted)}
.steps{list-style:decimal-leading-zero;padding:0 0 0 30px;margin:0;display:grid;gap:20px}
.steps li{padding-left:12px}.steps li::marker{font-size:13px;color:var(--muted)}
.steps h3{margin-bottom:8px}.steps p{margin-bottom:0}
.contact{background:var(--navy);color:#fff;padding:80px max(40px,calc((100% - 1200px)/2));display:grid;grid-template-columns:1fr 1fr;gap:100px}
.contact p{max-width:440px}.contact-details{display:flex;flex-direction:column;align-items:start;gap:18px}
.contact-details>a{font-size:clamp(1.2rem,2vw,1.7rem);text-decoration:none}.contact-details>a:hover{text-decoration:underline}
.contact-details address{font-style:normal}.contact-details .maps{font-size:15px;text-decoration:underline}
.footer{width:var(--shell);margin:0 auto;padding:32px 0;display:flex;gap:32px;align-items:center;font-size:13px;color:var(--muted)}
.footer strong{margin-right:auto;font-weight:400}
@media(max-width:900px){
  :root{--shell:calc(100% - 48px)}
  .portfolio-nav{grid-template-columns:repeat(2,minmax(0,1fr))}
  .topbar{padding:16px 24px;gap:20px}.nav{gap:20px}.top-cta{display:none}
  .hero{min-height:560px}.hero-copy{padding:140px 0 56px}
  .company,.contact{gap:48px}.section{padding:64px 0}
  .service-list>li{gap:24px}
  .project-text{gap:32px;padding:56px 0}
  .contact{padding:64px 24px}
}
@media(max-width:560px){
  html{scroll-padding-top:134px}
  .topbar{flex-wrap:wrap;gap:10px;padding:12px 24px}.brand img{width:138px}
  .nav{width:100%;margin:0;justify-content:space-between;gap:12px}.nav a{font-size:14px;padding:4px 0}
  .hero{min-height:580px;height:100svh}
  .hero>img{object-position:60% center}.hero::after{background:radial-gradient(ellipse 270px 130px at 65px 15px,rgba(255,255,255,.9),transparent),linear-gradient(0deg,rgba(0,15,28,.88),rgba(0,15,28,.08) 90%)}
  .hero-copy{padding:160px 0 40px}.hero h1{font-size:clamp(2.6rem,11vw,3.6rem)}.hero-copy>p:not(.eyebrow){font-size:16px}
  .eyebrow{font-size:11px;margin-bottom:20px}.portfolio-nav{gap:24px 16px;font-size:14px}
  .project{margin-bottom:0;scroll-margin-top:134px}.project>img{height:auto;max-height:none;object-fit:contain}.project figcaption{gap:16px;padding:14px 0}.project h3{font-size:15px}
  .service-list>li,.company,.contact,.project-text{grid-template-columns:1fr;gap:16px}
  .project-text{padding:48px 0}
  .service-list{margin-top:32px}.service-list h3{font-size:19px}.service-list p{font-size:16px}
  .company,.contact{gap:40px}.footer{flex-wrap:wrap;gap:16px}.footer strong{width:100%}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.topbar,.portfolio-nav img{transition:none}}