/* Komposition der Website. Tokens: design-system.css */
/* Kopfzeile: weiß, sticky, wird beim Scrollen kompakter. */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);border-bottom:1px solid transparent;transition:border-color .3s,box-shadow .3s}
.site-header.is-compact{border-bottom-color:var(--line);box-shadow:0 10px 30px rgba(12,24,33,.06)}
@supports (backdrop-filter:blur(1px)){.site-header{background:rgba(255,255,255,.88);backdrop-filter:blur(18px) saturate(160%);-webkit-backdrop-filter:blur(18px) saturate(160%)}}
.header-inner{width:min(100%,var(--max));margin-inline:auto;padding-inline:var(--gutter);display:flex;align-items:center;gap:clamp(20px,3vw,44px);height:var(--header-h);transition:height .3s var(--ease)}
.site-header.is-compact .header-inner{height:68px}
.brand{display:inline-flex;align-items:center;gap:16px;flex-shrink:0}
.brand img{height:54px;width:auto;transition:height .3s var(--ease)}
.site-header.is-compact .brand img{height:44px}
.brand-claim{font:700 11px/1.25 var(--font);letter-spacing:.14em;text-transform:uppercase;color:var(--ink-mute);border-left:1px solid var(--line-strong);padding-left:16px}
.site-header nav{display:flex;align-items:center;gap:clamp(18px,2.2vw,32px);margin-left:auto}
.site-header nav a{font-size:15px;font-weight:600;color:var(--ink-soft);position:relative;padding:6px 0;white-space:nowrap;transition:color .25s}
.site-header nav a::after{content:'';position:absolute;left:0;right:0;bottom:0;height:3px;background:var(--red-logo);transform:scaleX(0);transform-origin:left;transition:transform .3s var(--ease)}
.site-header nav a:hover,.site-header nav a[aria-current]{color:var(--ink)}
.site-header nav a:hover::after,.site-header nav a[aria-current]::after{transform:scaleX(1)}
.site-header nav .nav-phone{display:none}
.header-cta{min-height:48px;padding:10px 18px;font-size:15px;gap:10px;white-space:nowrap;flex-shrink:0}
.phone-icon{width:16px;height:16px;background:currentColor;-webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M6.6 10.8a15.1 15.1 0 0 0 6.6 6.6l2.2-2.2a1 1 0 0 1 1-.25 11.4 11.4 0 0 0 3.6.57 1 1 0 0 1 1 1V20a1 1 0 0 1-1 1A17 17 0 0 1 3 4a1 1 0 0 1 1-1h3.5a1 1 0 0 1 1 1c0 1.25.2 2.45.57 3.57a1 1 0 0 1-.25 1z'/%3E%3C/svg%3E") center/contain no-repeat;mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M6.6 10.8a15.1 15.1 0 0 0 6.6 6.6l2.2-2.2a1 1 0 0 1 1-.25 11.4 11.4 0 0 0 3.6.57 1 1 0 0 1 1 1V20a1 1 0 0 1-1 1A17 17 0 0 1 3 4a1 1 0 0 1 1-1h3.5a1 1 0 0 1 1 1c0 1.25.2 2.45.57 3.57a1 1 0 0 1-.25 1z'/%3E%3C/svg%3E") center/contain no-repeat}
.menu-toggle{display:none;width:48px;height:48px;flex-direction:column;justify-content:center;align-items:center;gap:6px;background:var(--ink);margin-left:auto;flex-shrink:0;border-radius:var(--radius)}
.menu-toggle span{display:block;width:20px;height:2px;background:#fff;transition:transform .3s var(--ease)}
.menu-toggle[aria-expanded=true] span:first-child{transform:translateY(4px) rotate(45deg)}.menu-toggle[aria-expanded=true] span:last-child{transform:translateY(-4px) rotate(-45deg)}

/* Hero Startseite: zwei eigene Projektfotos als Split-Screen in voller Höhe, Claim auf weißem Panel über der Naht, Fakten als weiße Leiste. */
.hero{position:relative;isolation:isolate;min-height:calc(100svh - var(--header-h));display:grid;grid-template-rows:1fr auto;overflow:hidden;background:#fff}
.hero-bg{position:absolute;inset:0;z-index:-1;display:grid;grid-template-columns:1fr 1fr;gap:6px}
.hero-bg figure{position:relative;overflow:hidden;background:var(--paper-3)}
.hero-bg img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:50% 50%}
.hero-grid{align-self:center;display:flex;justify-content:center;padding-block:clamp(32px,5vh,64px)}
.hero-copy{position:relative;width:min(600px,48%);background:#fff;padding:clamp(32px,3.6vw,52px);box-shadow:0 30px 60px rgba(12,24,33,.22)}
.hero-copy::before{content:'';position:absolute;top:-14px;right:-14px;width:150px;height:150px;border-top:10px solid var(--red-logo);border-right:10px solid var(--red-logo);z-index:-1}
.hero-kicker{display:flex;align-items:center;gap:14px;margin-bottom:22px}
.hero-kicker::before{content:'';flex-shrink:0;width:36px;height:3px;background:var(--red-logo)}
.hero h1{font-size:clamp(30px,3.9vw,58px);line-height:1;letter-spacing:-.04em}
.hero .lead{margin-top:22px;max-width:52ch;font-size:clamp(17px,1.3vw,19px)}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.hero-bar{background:#fff;border-top:1px solid var(--line)}
.hero-bar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px 40px;min-height:72px;padding-block:14px}
.hero-facts{display:flex;flex-wrap:wrap;gap:10px 28px;font-size:14px;font-weight:600;color:var(--ink-soft)}
.hero-facts li{display:flex;align-items:center;gap:10px}
.hero-facts i{width:8px;height:8px;background:var(--red-logo);flex-shrink:0}
.hero-caption{white-space:nowrap}
.js-motion .hero-copy>*{animation:rise 1s var(--spring) both}.js-motion .hero-copy>:nth-child(2){animation-delay:.08s}.js-motion .hero-copy>:nth-child(3){animation-delay:.18s}.js-motion .hero-copy>:nth-child(4){animation-delay:.26s}
.js-motion .hero-bg img{animation:drift 1.8s var(--ease) both}
.js-motion .hero-bar{animation:rise 1s var(--spring) .4s both}
@keyframes rise{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:none}}
@keyframes drift{from{transform:scale(1.06)}to{transform:none}}
/* Hero gestapelt: schmale oder hochformatige Bildschirme zeigen die zwei Fotos oben, Panel und Fakten darunter. */
@media (max-width:980px),(max-aspect-ratio:1/1){
 .hero{min-height:0;display:block;padding-bottom:clamp(40px,6vw,64px)}
 .hero-bg{position:relative;inset:auto;aspect-ratio:4/3;z-index:auto}
 .hero-grid{padding:0;display:block}
 .hero-copy{width:auto;margin:-56px 16px 0;padding:28px 20px 0;box-shadow:none}
 .hero-copy::before{display:none}
 .hero h1{font-size:clamp(30px,9.6vw,56px)}
 .hero-bar{border-top:0;margin-top:28px}
 .hero-bar-inner{min-height:0;padding-block:0}
 .hero-facts{flex-direction:column;gap:10px}
 .hero-caption{display:none}
}

/* Stärken */
.benefits{background:var(--paper-2)}.benefits .section-head{margin-bottom:28px}.usp-intro{max-width:62ch;margin:0 0 40px}
.benefit-list{display:grid;grid-template-columns:repeat(5,1fr);gap:clamp(20px,3vw,40px)}
.benefit-list li{border-top:3px solid var(--ink);padding-top:20px}
.benefit-list h3{font-size:19px;letter-spacing:-.02em;margin:14px 0 8px}
.benefit-list p{font-size:15px;color:var(--ink-soft);line-height:1.55}

/* Leistungen Index */
.index-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:clamp(32px,6vw,96px);align-items:start}
.index-list{border-top:1px solid var(--line)}
.index-item{display:grid;grid-template-columns:48px 1fr auto;gap:20px;align-items:baseline;padding:24px 0;border-bottom:1px solid var(--line);transition:padding .35s var(--spring)}
.related .index-item{grid-template-columns:1fr auto}
.index-item h3{font-size:clamp(24px,2.4vw,34px);letter-spacing:-.03em;transition:color .25s}
.index-item h3 small{font-size:12px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-mute);vertical-align:middle;margin-left:8px}
.index-item p{color:var(--ink-mute);font-size:15px;margin-top:6px;max-width:52ch}
.index-item .arrow{font-size:24px;color:var(--ink-mute);transition:transform .3s var(--ease),color .3s}
.index-item:hover{padding-left:10px}
.index-item:hover h3,.index-item:hover .arrow{color:var(--red)}
.index-item:hover .arrow{transform:translateX(6px)}
.index-aside{position:sticky;top:calc(var(--header-h) + 32px)}
.index-aside .photo{aspect-ratio:4/5}
.index-aside img{position:absolute;inset:0;opacity:0;transform:scale(1.04);transition:opacity .6s var(--ease),transform 1.2s var(--ease)}
.index-aside img.is-shown{opacity:1;transform:none}
.index-aside .label{margin-top:14px}

/* Ablauf: Fotos bleiben stehen, Schritte scrollen vorbei. */
.process-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(40px,7vw,120px);align-items:start}
.process-media{position:sticky;top:calc(var(--header-h) + 28px);height:calc(100svh - var(--header-h) - 56px);max-height:820px;display:flex;flex-direction:column;gap:18px}
.process-stack{position:relative;flex:1;overflow:hidden;background:var(--night-3)}
.process-photo{position:absolute;inset:0;opacity:0;transform:scale(1.06);transition:opacity .8s var(--ease),transform 1.6s var(--ease)}
.process-photo.is-active{opacity:1;transform:none}
.process-photo img{width:100%;height:100%;object-fit:cover}
.process-counter{display:flex;align-items:baseline;gap:8px;font-weight:800;font-variant-numeric:tabular-nums}
.process-counter b{font-size:44px;line-height:1;color:var(--red-lift)}
.process-counter span{color:rgba(255,255,255,.55)}
.process-bar{height:3px;background:var(--line-dark)}
.process-bar i{display:block;height:100%;width:calc(var(--progress,0) * 100%);background:var(--red-logo);transition:width .5s var(--ease)}
.process-steps{padding-block:12vh 18vh}
.process-step{min-height:62svh;display:flex;flex-direction:column;justify-content:center;gap:18px;opacity:.32;transition:opacity .5s var(--ease)}
.process-step.is-active{opacity:1}
.process-step h3{font-size:clamp(34px,3.8vw,58px)}
.process-step .label{display:flex;gap:12px;align-items:baseline}
.process-note{font-size:13px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:rgba(255,255,255,.55);border-top:1px solid var(--line-dark);padding-top:16px}
.process-inline{display:none}

/* Projekte-Mosaik */
.mosaic{display:grid;grid-template-columns:repeat(4,1fr);grid-template-rows:repeat(2,minmax(220px,30vw));gap:14px}
.mosaic figure{position:relative}
.mosaic .m1{grid-column:span 2;grid-row:span 2}
.mosaic img{transition:transform 1.2s var(--ease)}
.mosaic figure:hover img{transform:scale(1.04)}
.mosaic figcaption{position:absolute;left:0;right:0;bottom:0;padding:40px 18px 16px;background:linear-gradient(transparent,rgba(12,24,33,.82));color:#fff;font-weight:700;font-size:16px;line-height:1.3;display:grid;gap:4px}
.mosaic figcaption small{font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:rgba(255,255,255,.7)}
.section-foot{display:flex;justify-content:space-between;align-items:center;gap:32px;margin-top:40px;flex-wrap:wrap}
.section-foot .copy{max-width:56ch}

/* Region */
.region{background:var(--paper-2)}
.region-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(40px,6vw,100px);align-items:center}
.region h2{margin:16px 0 22px}
.region-map{width:100%;height:auto;display:block;background:#fff;border:1px solid var(--line)}
.map-road{fill:none;stroke:var(--ink-mute);stroke-width:3;stroke-dasharray:2 7;stroke-linecap:round}
.map-label{font:700 13px var(--font);fill:var(--ink-mute)}
.pin-area{fill:rgba(238,46,55,.1);stroke:rgba(238,46,55,.35);stroke-width:1}
.pin-dot{fill:var(--red-logo);stroke:#fff;stroke-width:3}
.pin text{font:800 20px var(--font);fill:var(--ink);letter-spacing:-.02em}
.map-radius{fill:rgba(238,46,55,.07);stroke:rgba(238,46,55,.45);stroke-width:2;stroke-dasharray:6 6}
.pin-home .pin-dot{fill:var(--ink)}
.link-button{background:none;border:0;padding:0;font:inherit;color:inherit;cursor:pointer}
.link-button:hover{color:#fff;text-decoration:underline}
.cookie-notice{position:fixed;left:16px;right:16px;bottom:16px;z-index:60;max-width:560px;margin-inline:auto;background:#fff;color:var(--ink);padding:22px 24px;box-shadow:0 30px 60px rgba(12,24,33,.25);border-top:4px solid var(--red-logo);font-size:15px;line-height:1.55}
.cookie-notice p{margin:0 0 16px}.cookie-notice p a{text-decoration:underline;text-underline-offset:3px}
.cookie-actions{display:flex;flex-wrap:wrap;gap:10px}.cookie-actions .button{padding:12px 18px}
/* Projekt-Check */
.funnel .section-head{margin-bottom:40px}
.funnel-form{max-width:860px}
.funnel-step{display:none}.funnel-step.is-active{display:block;animation:rise .6s var(--spring) both}
.funnel-q{display:flex;align-items:baseline;gap:16px;font-size:clamp(24px,2.6vw,36px);font-weight:800;letter-spacing:-.03em;line-height:1.1;margin-bottom:28px}
.funnel-q .num{font-size:14px;letter-spacing:.14em;color:var(--red-lift)}
.funnel-hint{color:rgba(255,255,255,.7);margin:-16px 0 20px;max-width:56ch}
.funnel-options{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:12px}
.funnel-options button{text-align:left;background:rgba(255,255,255,.06);border:1px solid var(--line-dark);color:#fff;padding:18px 20px;font:inherit;cursor:pointer;display:grid;gap:4px;transition:border-color .25s,background .25s,transform .25s var(--ease)}
.funnel-options button b{font-size:18px;letter-spacing:-.02em}.funnel-options button span{font-size:14px;color:rgba(255,255,255,.62)}
.funnel-options button:hover,.funnel-options button:focus-visible{border-color:var(--red-logo);background:rgba(238,46,55,.12);transform:translateY(-2px);outline:none}
.funnel-plz{display:flex;flex-wrap:wrap;gap:12px}
.funnel-plz input{min-height:54px;padding:12px 16px;font:700 20px var(--font);letter-spacing:.08em;width:180px;border:1px solid var(--line-dark);background:#fff;color:var(--ink)}
.funnel-plz input:focus-visible{outline:3px solid var(--red-logo);outline-offset:0}
.funnel-result{font-size:clamp(18px,1.6vw,22px);max-width:60ch;margin-bottom:20px}
.funnel-summary{display:flex;flex-wrap:wrap;gap:12px 32px;margin-bottom:28px}
.funnel-summary dt{font:700 12px/1.9 var(--font);letter-spacing:.14em;text-transform:uppercase;color:rgba(255,255,255,.55)}.funnel-summary dd{font-weight:700}
.funnel-nav{display:flex;justify-content:space-between;align-items:center;margin-top:32px;padding-top:18px;border-top:1px solid var(--line-dark);font-size:14px;color:rgba(255,255,255,.6)}
.funnel-nav .link-button{color:rgba(255,255,255,.75)}.funnel-nav .link-button:hover{color:#fff}
/* Einsatzgebiet */
.region-map.detailed .pin-small .pin-dot{fill:var(--ink-mute);stroke-width:2}
.region-groups{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:clamp(24px,3vw,40px)}
.region-group h3{font-size:14px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-mute);border-top:3px solid var(--ink);padding-top:16px;margin-bottom:14px}
.region-list li{display:flex;justify-content:space-between;gap:12px;padding:8px 0;border-bottom:1px solid var(--line);font-weight:700}
.region-list li a{border-bottom:2px solid var(--red-logo)}.region-list small{font-weight:400;color:var(--ink-mute);text-align:right;font-size:13px}
.region-all .copy{margin-top:40px}
.region-nearby a{font-weight:700;border-bottom:2px solid var(--red-logo)}
.index-list .num{white-space:nowrap}
.contact-details{display:grid;gap:0;margin-top:32px;border-top:1px solid var(--line)}
.contact-details div{display:grid;grid-template-columns:130px 1fr;gap:16px;padding:16px 0;border-bottom:1px solid var(--line)}
.contact-details dt{font:700 12px/1.9 var(--font);letter-spacing:.14em;text-transform:uppercase;color:var(--ink-mute)}
.contact-details dd{font-weight:700}
.contact-details dd a{border-bottom:2px solid var(--red-logo)}
.contact-details dd a+a{margin-left:18px}
.contact-details dd span{display:block;font-weight:400;font-size:15px;color:var(--ink-mute);margin-top:4px}
.contact-details.large dd{font-size:clamp(20px,1.8vw,26px);letter-spacing:-.02em}

/* Call to Action */
.cta-band{position:relative;overflow:hidden;isolation:isolate;padding-block:clamp(72px,9vw,140px)}
.cta-media{position:absolute;inset:0;z-index:-1}
.cta-media img{width:100%;height:100%;object-fit:cover;object-position:50% 30%;opacity:.28;filter:grayscale(.3)}
.cta-band::before{content:'';position:absolute;inset:0;z-index:-1;background:linear-gradient(90deg,var(--night) 30%,rgba(12,24,33,.55))}
.cta-inner{display:grid;grid-template-columns:1.3fr .7fr;gap:48px;align-items:end}
.cta-band h2{font-size:clamp(38px,5vw,76px);margin:16px 0 20px}
.cta-band .lead{max-width:56ch}
.cta-actions{display:grid;gap:12px;justify-items:stretch}

/* Footer */
.site-footer{padding-block:clamp(64px,7vw,100px) 32px;font-size:15px}
.footer-grid{display:grid;grid-template-columns:1.3fr 1fr .9fr .8fr .8fr;gap:clamp(28px,3vw,56px)}
.footer-brand img{width:210px;height:auto}
.footer-brand p{margin-top:22px;color:rgba(255,255,255,.66);max-width:36ch}
.footer-col{display:grid;align-content:start;gap:10px;color:rgba(255,255,255,.72)}
.footer-col .label{margin-bottom:6px}
.footer-social{display:flex;gap:18px;margin-top:8px;padding-top:12px;border-top:1px solid var(--line-dark)}
.footer-col a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px;text-decoration-color:var(--red-logo)}
.footer-bottom{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-top:56px;padding-top:24px;border-top:1px solid var(--line-dark);font-size:13px;color:rgba(255,255,255,.55)}
.footer-bottom nav{display:flex;gap:24px}
.footer-bottom a:hover{color:#fff}
.footer-credit{color:rgba(255,255,255,.4);font-size:12px}.footer-credit a{color:inherit}.footer-credit a:hover{color:#fff}

/* Unterseiten */
.breadcrumb{display:flex;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--ink-mute);margin-bottom:28px}
.breadcrumb li+li::before{content:'/';margin-right:8px;color:var(--line-strong)}
.breadcrumb a:hover{color:var(--red)}
.page-hero{padding-block:clamp(48px,6vw,96px) clamp(40px,5vw,72px);border-bottom:1px solid var(--line)}
.page-hero h1{font-size:clamp(44px,6vw,92px);max-width:16ch;margin-top:18px}
.page-hero .lead{max-width:62ch;margin-top:26px}
.page-hero.simple h1{margin-top:0}
.service-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(20px,2.4vw,32px) clamp(16px,2vw,28px)}
.service-card{display:flex;flex-direction:column;gap:10px;height:100%}
.service-card .photo{aspect-ratio:4/5;margin-bottom:10px}
.service-card img{transition:transform 1.2s var(--ease)}
.service-card:hover img{transform:scale(1.05)}
.service-card h2{font-size:24px;letter-spacing:-.03em;transition:color .25s}
.service-card:hover h2{color:var(--red)}
.service-card p{font-size:15px;color:var(--ink-soft)}
.service-card .text-link{margin-top:auto;align-self:flex-start;font-size:14px}
.service-card .label{margin-top:-4px}
.partner-note{margin-top:clamp(40px,5vw,64px);padding:22px 26px;border-left:4px solid var(--red-logo);background:var(--paper-2);max-width:880px;color:var(--ink-soft)}
.partner-note strong{color:var(--ink)}
.topic-hero{padding-block:clamp(40px,5vw,80px)}
.topic-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(40px,6vw,100px);align-items:center}
.topic-copy h1{font-size:clamp(44px,6vw,96px);margin:18px 0 26px;hyphens:manual}
.topic-copy .lead{max-width:56ch}
.topic-photo{aspect-ratio:4/5;overflow:hidden;background:var(--paper-3)}
.topic-photo img{width:100%;height:100%;object-fit:cover}
.story{background:var(--paper-2)}.story.region-note{background:#fff;border-top:1px solid var(--line)}.region-note .region-nearby{margin-top:20px;font-size:15px;line-height:2}
.story-grid{display:grid;grid-template-columns:.4fr 1.6fr;gap:clamp(24px,5vw,80px)}
.story-title{font-size:clamp(38px,5vw,78px);margin-bottom:32px}
.story .copy{max-width:62ch;font-size:clamp(17px,1.4vw,20px)}
.services-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:clamp(24px,3vw,40px)}
.services-list li{border-top:3px solid var(--ink);padding-top:20px}
.services-list h3{font-size:21px;letter-spacing:-.02em;margin:14px 0 8px}
.services-list p{font-size:15px;color:var(--ink-soft)}
.steps-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:clamp(40px,6vw,100px)}
.steps-aside{position:sticky;top:calc(var(--header-h) + 40px);align-self:start}
.steps-counter{display:flex;align-items:baseline;gap:10px;margin-top:20px;font-weight:800;font-variant-numeric:tabular-nums}
.steps-counter b{font-size:clamp(90px,12vw,180px);line-height:.9;letter-spacing:-.05em;color:var(--red-lift)}
.steps-counter b.tick{animation:tick .5s var(--spring)}
@keyframes tick{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:none}}
.steps-counter span{color:rgba(255,255,255,.5);font-size:20px}
.steps-list li{padding:clamp(40px,6vh,72px) 0;border-top:1px solid var(--line-dark);opacity:.38;transition:opacity .5s var(--ease)}
.steps-list li.is-active{opacity:1}
.steps-list h3{font-size:clamp(28px,3vw,44px);margin:14px 0 12px}
.steps-list p{color:rgba(255,255,255,.76);max-width:52ch}
.faq-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:clamp(32px,6vw,100px)}
.faq-grid h2{margin-top:16px}
.faq-list{border-top:1px solid var(--line)}
.faq-list details{border-bottom:1px solid var(--line)}
.faq-list summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;gap:24px;padding:24px 0;font-size:clamp(18px,1.6vw,22px);font-weight:700;letter-spacing:-.01em}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary::after{content:'+';font-size:28px;line-height:1;color:var(--red);transition:transform .3s var(--ease)}
.faq-list details[open] summary::after{transform:rotate(45deg)}
.faq-list details p{padding:0 0 26px;color:var(--ink-soft);max-width:64ch}

/* Projekte */
.filter{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:40px}
.filter button{padding:12px 20px;font-size:15px;font-weight:700;background:var(--paper-2);border:2px solid transparent;border-radius:var(--radius);transition:background .25s,color .25s,border-color .25s}
.filter button:hover{border-color:var(--ink)}
.filter button[aria-pressed=true]{background:var(--red);color:#fff}
.gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(28px,3vw,44px) clamp(14px,2vw,24px)}
.gallery-item{display:block;width:100%;cursor:zoom-in}
.gallery .photo{aspect-ratio:3/4}
.gallery img{transition:transform 1.2s var(--ease)}
.gallery-item:hover img{transform:scale(1.05)}
.gallery h2{font-size:19px;letter-spacing:-.02em;margin:14px 0 4px}
.gallery p{font-size:15px;color:var(--ink-soft)}
.gallery .label{margin-top:8px}
.filter-status{margin-top:24px}
.lightbox{padding:0;border:0;background:transparent;max-width:100vw;max-height:100vh;width:100vw;height:100vh;color:#fff}
.lightbox::backdrop{background:rgba(12,24,33,.94)}
.lightbox[open]{display:grid;grid-template-columns:72px 1fr 72px;align-items:center}
.lightbox figure{display:grid;justify-items:center;gap:14px;height:100vh;padding-block:40px;grid-template-rows:1fr auto}
.lightbox img{max-height:calc(100vh - 140px);width:auto;object-fit:contain}
.lightbox figcaption{font-weight:700;text-align:center}
.lightbox button{font-size:44px;line-height:1;width:56px;height:56px;color:#fff;border-radius:var(--radius)}
.lightbox button:hover{background:rgba(255,255,255,.12)}
.lightbox-close{position:fixed;top:16px;right:16px}

/* Kontakt */
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(40px,6vw,100px);align-items:start}
.contact-grid .contact-details{margin:0 0 40px}
.form{background:var(--paper-2);padding:clamp(24px,4vw,48px);display:grid;gap:20px}
.form h2{margin-bottom:-4px}
.form-note{font-size:14px;color:var(--ink-mute)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.form label{display:grid;gap:8px;font-size:14px;font-weight:700}
.form label i{font-style:normal;font-weight:400;color:var(--ink-mute);font-size:12px}
.form input:not([type=checkbox]),.form select,.form textarea{width:100%;min-height:52px;padding:12px 14px;border:1px solid var(--line-strong);border-radius:var(--radius);background:#fff;font-weight:400;font-size:16px}
.form textarea{resize:vertical;min-height:140px}
.form input:focus-visible,.form select:focus-visible,.form textarea:focus-visible{outline:3px solid var(--red);outline-offset:0;border-color:transparent}
.form .consent{grid-template-columns:auto 1fr;align-items:start;font-weight:400}
.consent input{width:20px;height:20px;margin:2px 0 0;accent-color:var(--red)}
.consent a{text-decoration:underline}
.form-actions{display:flex;flex-wrap:wrap;align-items:center;gap:16px 24px;font-size:15px;color:var(--ink-soft)}
.form-actions a{font-weight:700;color:var(--ink)}
.form-error{color:var(--red-deep);font-weight:700}

/* Rechtstexte */
.prose{max-width:820px}
.prose h2{font-size:24px;letter-spacing:-.02em;margin:40px 0 12px}
.prose h2:first-of-type{margin-top:0}
.prose p,.prose address{color:var(--ink-soft);font-style:normal}
.prose p+p{margin-top:1em}
.prose a{text-decoration:underline}

/* Responsiv */
@media (max-width:1180px){
 .brand-claim{display:none}
 .benefit-list{grid-template-columns:repeat(3,1fr)}
 .service-grid,.gallery{grid-template-columns:repeat(3,1fr)}
 .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:980px){
 :root{--header-h:72px}
 .brand img{height:46px}
 .menu-toggle{display:flex}
 .header-cta{display:none}
 .site-header nav{position:fixed;inset:var(--header-h) 0 auto 0;height:calc(100svh - var(--header-h));background:#fff;flex-direction:column;align-items:stretch;gap:0;padding:12px var(--gutter) 40px;overflow-y:auto;opacity:0;visibility:hidden;transform:translateY(-12px);transition:opacity .3s var(--ease),transform .3s var(--ease),visibility .3s}
 .site-header nav.is-open{opacity:1;visibility:visible;transform:none}
 .site-header.is-compact nav{inset:68px 0 auto 0}
 .site-header nav a{font-size:26px;font-weight:800;color:var(--ink);padding:18px 0;border-bottom:1px solid var(--line);letter-spacing:-.02em}
 .site-header nav a::after{display:none}
 .site-header nav .nav-phone{display:block;margin-top:24px;background:var(--red);color:#fff;text-align:center;font-size:20px;border:0;padding:18px}
 .menu-open{overflow:hidden}
 .index-grid,.process-grid,.region-grid,.topic-grid,.contact-grid,.cta-inner,.steps-grid,.faq-grid,.story-grid{grid-template-columns:1fr}
 .funnel-q{flex-direction:column;gap:6px}
 .index-aside{display:none}
 .process-media{display:none}
 .process-steps{padding:0}
 .process-step{min-height:0;opacity:1;padding-block:28px 36px;border-top:1px solid var(--line-dark)}
 .process-inline{display:block;aspect-ratio:4/3;overflow:hidden;margin-bottom:6px}
 .process-inline img{width:100%;height:100%;object-fit:cover}
 .mosaic{grid-template-columns:1fr 1fr;grid-template-rows:none;grid-auto-rows:240px}
 .mosaic .m1{grid-column:span 2;grid-row:span 1;height:360px}
 .topic-photo{aspect-ratio:16/10}
 .steps-aside{position:static}
 .steps-counter{display:none}
 .steps-list li{opacity:1}
 .section-head{flex-direction:column;align-items:flex-start;gap:12px}
 .section-head .label{text-align:left}
}
@media (max-width:640px){
 body{font-size:16px}
 .benefit-list,.service-grid{grid-template-columns:1fr}
 .gallery{grid-template-columns:1fr 1fr}
 .gallery h2{font-size:16px}
 .gallery p{font-size:14px}
 .footer-grid{grid-template-columns:1fr}
 .form-row{grid-template-columns:1fr}
 .contact-details div{grid-template-columns:1fr;gap:4px}
 .hero-actions .button,.cta-actions .button{width:100%}
 .lightbox[open]{grid-template-columns:44px 1fr 44px}
 .index-item{grid-template-columns:32px 1fr auto;gap:12px}
}