:root{--ink:#30383a;--ink2:#242d2e;--teal:#578e95;--teal2:#83afb3;--muted:#657175;--bg:#f6f7f5;--paper:#fff;--border:#e1e5e3;--max:1320px;font-family:Arial,Helvetica,sans-serif;color:var(--ink);background:var(--paper);-webkit-font-smoothing:antialiased}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;overflow-x:hidden}button,input{font:inherit}a{color:inherit;text-decoration:none}button{cursor:pointer}img,svg{max-width:100%}h1,h2,h3,p{margin-top:0}button:focus-visible,a:focus-visible{outline:3px solid #70abb1;outline-offset:4px}.container{width:min(calc(100% - 96px),var(--max));margin-inline:auto}.skip-link{position:absolute;left:20px;top:-70px;background:#fff;padding:12px 16px;z-index:300}.skip-link:focus{top:15px}
.utility-bar{background:var(--ink2);color:#e1e5e4;font-size:11px;letter-spacing:.06em}.utility-inner{display:flex;align-items:center;justify-content:space-between;min-height:35px;gap:20px}.utility-inner>div{display:flex;gap:29px}.utility-inner a:hover{color:var(--teal2)}
.site-header{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid #ebedec}.header-inner{display:flex;align-items:center;justify-content:space-between;gap:45px;min-height:94px}.brand{display:block;flex:0 1 365px;min-width:0}.brand img{display:block;width:100%;height:auto}.main-nav{display:flex;align-items:center;gap:42px}.main-nav>a{font-size:13px;font-weight:700;white-space:nowrap;transition:color .2s}.main-nav>a:not(.nav-cta):hover{color:var(--teal)}.main-nav .nav-cta{display:flex;align-items:center;justify-content:space-between;gap:30px;background:var(--ink);padding:17px 22px;color:#fff}.main-nav .nav-cta:hover{background:var(--teal)}.nav-cta span{font-size:18px;font-weight:400}.menu-toggle{display:none}
.hero{background:var(--bg);border-bottom:1px solid var(--border)}.hero-inner{display:grid;grid-template-columns:48% 52%;min-height:620px}.hero-copy{padding:82px 34px 44px 0;display:flex;flex-direction:column;align-items:start;position:relative}.eyebrow,.kicker{font-weight:800;font-size:11px;letter-spacing:.18em;line-height:1.4}.eyebrow{display:flex;align-items:center;gap:13px;color:var(--teal);margin-bottom:37px}.eyebrow-line{width:26px;height:2px;background:var(--teal)}.hero h1{font-size:clamp(54px,5.25vw,79px);line-height:1.08;letter-spacing:-.067em;max-width:710px;font-weight:760;margin:0 0 27px}.hero h1 span{color:var(--teal)}.hero-copy>p{color:#667276;font-size:17px;line-height:1.76;max-width:510px;margin-bottom:29px}.button-row{display:flex;gap:15px;align-items:center;flex-wrap:wrap}.button{display:inline-flex;gap:28px;justify-content:space-between;align-items:center;min-height:55px;padding:0 23px;font-weight:750;font-size:13px;transition:background .2s,color .2s,transform .2s}.button:hover{transform:translateY(-2px)}.button span{font-size:18px;font-weight:400}.button--dark{background:var(--ink);color:#fff}.button--dark:hover{background:var(--teal)}.button--text{padding-inline:12px;color:var(--ink)}.button--text:hover{color:var(--teal)}.hero-location{display:flex;gap:15px;align-items:center;color:#7d898d;font-size:11px;line-height:1.65;margin-top:auto;padding-top:50px}.hero-location-line{width:27px;height:1px;background:var(--teal)}.hero-media{position:relative;min-height:620px;overflow:hidden;background:#abb2b1}.hero-media>img{width:100%;height:100%;position:absolute;inset:0;object-fit:cover;object-position:58% center}.hero-media:after{content:"";pointer-events:none;position:absolute;inset:40% 0 0;background:linear-gradient(transparent,rgba(13,22,24,.69))}.hero-media-caption{position:absolute;z-index:2;bottom:36px;left:39px;color:#fff;display:flex;gap:8px;flex-direction:column}.hero-media-caption .caption-small{font-size:10px;letter-spacing:.19em;color:#c5e0e1;font-weight:750}.hero-media-caption strong{font-size:26px;font-weight:750;letter-spacing:-.04em}.hero-media-caption>span:last-child{font-size:13px;color:#e4e8e6}.hero-photo-corner{position:absolute;z-index:2;right:27px;top:28px;border-top:2px solid #fff;border-right:2px solid #fff;width:40px;height:40px;opacity:.85}
.expertise-bar{border-bottom:1px solid var(--border)}.expertise-inner{display:grid;grid-template-columns:repeat(4,1fr);min-height:93px;align-items:center}.expertise-inner span{font-weight:750;letter-spacing:.09em;font-size:11px;text-align:center;color:#606b6c;border-right:1px solid var(--border);padding:11px}.expertise-inner span:last-child{border-right:0}
.section{padding:117px 0}.section-heading{display:grid;grid-template-columns:1.18fr .82fr;align-items:end;gap:85px;margin-bottom:52px}.kicker{color:var(--teal);margin-bottom:23px}.section-heading h2,.about-heading h2{font-weight:755;font-size:clamp(43px,4.4vw,66px);line-height:1.12;letter-spacing:-.066em;max-width:700px;margin:0}.section-heading h2 em,.about-heading h2 em{font-style:normal;color:var(--teal)}.section-heading>p{font-size:15px;color:var(--muted);line-height:1.8;max-width:430px;margin-bottom:4px}
.services{display:grid;grid-template-columns:repeat(3,1fr);border-left:1px solid var(--border);border-top:1px solid var(--border)}.service{padding:32px 30px 23px;min-height:257px;display:flex;flex-direction:column;position:relative;border-right:1px solid var(--border);border-bottom:1px solid var(--border);background:#fff;transition:background .2s}.service:hover{background:#f5f9f8}.service-num{font-size:12px;color:var(--teal);font-weight:800;margin-bottom:43px}.service h3{font-size:23px;line-height:1.3;letter-spacing:-.04em;margin-bottom:13px;font-weight:750}.service p{font-size:14px;line-height:1.75;color:var(--muted);max-width:330px;margin:0 15px 0 0}.service-arrow{position:absolute;right:25px;top:27px;font-size:19px;color:#a1acad}.legal-note{color:#889294;line-height:1.65;font-size:11px;max-width:900px;margin:24px 0 0}
.feature{background:var(--ink2);color:#fff}.feature-grid{display:grid;grid-template-columns:48% 52%;min-height:675px}.feature-photo{position:relative;min-height:675px;overflow:hidden}.feature-photo img{width:100%;height:100%;position:absolute;object-fit:cover;object-position:50% 52%}.photo-tag{position:absolute;bottom:28px;left:29px;z-index:2;background:#fff;padding:13px 16px;font-weight:800;color:var(--ink);letter-spacing:.10em;font-size:10px}.feature-content{display:flex;flex-direction:column;align-items:start;justify-content:center;padding:70px 5% 75px 14%}.kicker--light{color:#9ec9cc}.feature-content h2{font-size:clamp(51px,5vw,75px);letter-spacing:-.07em;line-height:1.1;font-weight:755;margin:0 0 30px}.feature-content h2 em{font-style:normal;color:#9ec9cc}.feature-content>p:not(.kicker){font-size:15px;line-height:1.95;color:#bec9ca;max-width:430px;margin:0 0 31px}.text-link{font-size:13px;font-weight:750;display:flex;gap:20px;align-items:center;border-bottom:1px solid var(--teal);padding:0 0 11px}.text-link--light{color:#e4eeee}
.section-projects{background:#f6f7f5}.projects-heading{margin-bottom:32px}.filter-bar{display:flex;gap:8px;flex-wrap:wrap;margin:0 0 30px}.filter-btn{background:none;border:1px solid #d4ddda;padding:11px 18px;color:#526063;font-weight:700;font-size:12px;transition:background .2s,color .2s}.filter-btn:hover,.filter-btn.is-active{color:#fff;background:var(--ink);border-color:var(--ink)}.project-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px}.project{margin:0;min-width:0;display:flex;flex-direction:column}.project[hidden]{display:none}.project--large{grid-column:span 2;grid-row:span 2}.project-image{position:relative;display:block;overflow:hidden;width:100%;height:240px;border:0;padding:0;background:#e3e8e6}.project--large .project-image{height:550px}.project-image img{display:block;height:100%;width:100%;object-fit:cover;transition:transform .5s,filter .3s}.project-image:hover img{transform:scale(1.055);filter:brightness(.88)}.project--large .project-image img{object-position:center center}.image-expand{position:absolute;right:15px;top:15px;display:grid;place-items:center;width:38px;height:38px;background:#fff;color:var(--ink);font-size:22px;transition:background .2s}.project-image:hover .image-expand{background:#b0d4d6}.project figcaption{display:flex;gap:8px;flex-direction:column;padding:18px 2px 5px}.project figcaption span{font-size:10px;letter-spacing:.15em;color:var(--teal);font-weight:800}.project figcaption strong{font-size:18px;line-height:1.35;letter-spacing:-.03em;font-weight:750}
.section-about{background:#fff}.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:13%}.about-heading h2{max-width:610px}.about-copy>p{font-size:16px;line-height:1.9;color:#657176;margin-bottom:19px}.about-copy>p strong{color:#333d3e}.about-place{display:grid;grid-template-columns:22px 1fr;column-gap:8px;row-gap:9px;margin-top:30px;border-top:1px solid var(--border);padding-top:23px}.about-place>span:first-child{color:var(--teal);font-size:18px;grid-row:span 2}.about-place strong{font-size:14px}.about-place>span:last-child{font-size:12px;color:#758286;line-height:1.5}
.contact-section{background:#527f84;color:#fff;padding:112px 0 105px}.contact-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:12%;align-items:center}.contact-section h2{font-size:clamp(49px,5vw,73px);letter-spacing:-.067em;line-height:1.12;font-weight:755;margin:0 0 24px}.contact-section h2 em{font-style:normal;color:#d0e4e5}.contact-grid>div:first-child>p:not(.kicker){line-height:1.8;font-size:15px;max-width:480px;color:#e7f0f0;margin-bottom:29px}.contact-actions{display:flex;gap:12px;flex-wrap:wrap}.button--white{background:#fff;color:#2e4549}.button--white:hover{background:#e9f3f3}.button--stroke{border:1px solid #bbd0d1;color:#fff}.button--stroke:hover{background:#628e93}.contact-panel{padding:41px 38px;border:1px solid #b9d0d2;background:#ffffff12;display:flex;flex-direction:column;align-items:start;min-width:0}.contact-panel>span:first-child{font-size:10px;font-weight:800;letter-spacing:.15em;color:#d0e1e2;margin-bottom:34px}.contact-big{font-size:clamp(28px,3vw,45px);font-weight:745;letter-spacing:-.05em;display:flex;gap:20px;align-items:center}.contact-big span{font-size:22px}.contact-panel-rule{width:100%;height:1px;background:#aed0d0;margin:32px 0}.email-big{font-size:16px;overflow-wrap:anywhere;font-weight:650}.contact-panel a:hover{color:#deeded}.contact-panel p{font-size:12px;color:#d5e6e6;line-height:1.65;margin:28px 0 0}
.site-footer{background:#fff;color:var(--ink)}.footer-main{padding:64px 0 54px;display:grid;grid-template-columns:1.5fr .7fr .7fr;gap:50px}.footer-logo{display:block;width:300px;max-width:100%}.footer-logo img{width:100%;height:auto;display:block}.footer-main p{font-size:13px;color:var(--muted);line-height:1.8;margin:24px 0 0}.footer-nav{display:flex;flex-direction:column;gap:15px;padding-top:3px}.footer-nav a{font-size:13px;color:#5c6668}.footer-nav a:hover{color:var(--teal)}.footer-bottom{border-top:1px solid var(--border);min-height:68px;display:flex;align-items:center;justify-content:space-between;gap:20px;color:#899194;font-size:11px}.whatsapp-float{position:fixed;z-index:80;right:26px;bottom:24px;background:#25d366;color:white;border-radius:50%;width:57px;height:57px;box-shadow:0 6px 24px #19302938;display:grid;place-items:center;transition:transform .2s}.whatsapp-float svg{width:32px;height:32px}.whatsapp-float:hover{transform:translateY(-4px)}.lightbox{max-width:min(94vw,1050px);max-height:94vh;background:var(--ink2);border:0;padding:15px 15px 10px;color:white;box-shadow:0 16px 70px #0008}.lightbox::backdrop{background:rgba(11,21,23,.88)}.lightbox img{width:auto;max-width:100%;max-height:76vh;display:block;margin:auto;object-fit:contain}.lightbox p{font-size:13px;color:#fff;margin:9px 0 0}.lightbox-close{position:absolute;right:16px;top:15px;width:42px;height:42px;border:0;background:white;font-size:27px;color:#263536}
/* Legal pages */
.legal-main{padding:96px 0 118px;background:#f6f7f5;min-height:70vh}.legal-kicker{font-size:11px;font-weight:800;letter-spacing:.17em;color:var(--teal)}.legal-title{font-size:clamp(48px,5.5vw,76px);letter-spacing:-.065em;margin:24px 0 32px}.legal-content{background:white;border:1px solid var(--border);padding:45px 50px;max-width:880px;font-size:15px;line-height:1.85}.legal-content h2{font-size:22px;margin:28px 0 7px}.legal-content h2:first-child{margin-top:0}.legal-content p{color:#5e696c;margin:0 0 15px}.legal-content a{text-decoration:underline}.notice{background:#fff5e4;border-left:4px solid #b3823c;padding:20px 23px;font-size:13px;line-height:1.8;max-width:880px;margin-bottom:26px}.legal-back{display:inline-block;margin-top:26px;color:var(--teal);font-weight:750;font-size:14px}.legal-body .site-header{position:relative}.legal-body .header-inner>.button{white-space:nowrap}
@media(max-width:1200px){.container{width:min(calc(100% - 64px),var(--max))}.main-nav{gap:24px}.hero h1{font-size:clamp(52px,5vw,70px)}.hero-inner{grid-template-columns:50% 50%}.hero-copy{padding-right:18px}.contact-grid{gap:7%}.project-grid{gap:16px}.project figcaption strong{font-size:17px}}
@media(max-width:950px){.utility-inner>div a:first-child{display:none}.header-inner{min-height:78px}.brand{flex-basis:300px}.menu-toggle{display:flex;width:42px;height:42px;flex-direction:column;align-items:center;justify-content:center;gap:5px;background:var(--ink);border:0}.menu-toggle span{display:block;width:19px;height:2px;background:#fff}.main-nav{display:none;position:absolute;top:100%;right:0;left:0;flex-direction:column;gap:0;align-items:stretch;background:#fff;padding:10px 32px 25px;box-shadow:0 16px 30px #28343322}.main-nav.is-open{display:flex}.main-nav a{padding:16px 8px;border-bottom:1px solid var(--border)}.main-nav .nav-cta{margin-top:12px}.hero-inner{grid-template-columns:1fr}.hero-copy{padding:68px 0 56px}.hero h1{font-size:clamp(56px,9vw,78px)}.hero-media{min-height:480px}.hero-location{padding-top:43px}.expertise-inner{grid-template-columns:repeat(2,1fr);padding:14px 0}.expertise-inner span:nth-child(2){border-right:0}.section-heading{gap:35px}.services{grid-template-columns:repeat(2,1fr)}.feature-grid{grid-template-columns:1fr 1fr}.feature-photo{min-height:620px}.feature-content{padding-left:11%}.feature-content h2{font-size:clamp(45px,6vw,65px)}.project-grid{grid-template-columns:repeat(2,1fr)}.project--large{grid-column:span 1;grid-row:span 1}.project--large .project-image{height:270px}.project-image{height:270px}.about-grid{gap:7%}.contact-grid{grid-template-columns:1fr;gap:40px}.contact-panel{max-width:560px}}
@media(max-width:640px){.container{width:calc(100% - 38px)}.utility-inner{min-height:31px;font-size:9px;letter-spacing:.05em}.utility-inner>div{display:none}.header-inner{min-height:72px;gap:15px}.brand{flex-basis:246px}.hero-copy{padding:52px 0 42px}.eyebrow{font-size:10px;margin-bottom:29px}.hero h1{font-size:clamp(44px,10.5vw,65px);letter-spacing:-.066em;margin-bottom:20px}.hero-copy>p{font-size:15px;line-height:1.75}.button-row{width:100%}.button--dark{flex:1}.button{gap:12px;min-height:52px;padding-inline:17px}.button--text{flex:1;padding:0 5px}.hero-media{min-height:350px}.hero-media-caption{bottom:23px;left:19px}.hero-media-caption strong{font-size:22px}.hero-photo-corner{right:17px;top:17px}.expertise-inner{min-height:0;grid-template-columns:repeat(2,1fr);padding:12px 0}.expertise-inner span{font-size:9px;line-height:1.5}.section{padding:77px 0}.section-heading{display:block;margin-bottom:32px}.section-heading h2,.about-heading h2{font-size:clamp(39px,9.3vw,56px)}.section-heading>p{font-size:14px;line-height:1.75;margin-top:22px}.services{grid-template-columns:1fr}.service{min-height:0;padding:23px 22px 29px}.service-num{margin-bottom:22px}.service h3{font-size:22px}.service p{font-size:14px}.service-arrow{right:20px;top:20px}.feature-grid{display:flex;flex-direction:column}.feature-photo{height:490px;min-height:0}.feature-content{padding:70px 0 78px}.feature-content h2{font-size:clamp(48px,10.6vw,68px)}.filter-bar{gap:7px}.filter-btn{padding:10px 12px;font-size:11px}.project-grid{grid-template-columns:1fr;gap:24px}.project-image,.project--large .project-image{height:290px}.project:first-child .project-image{height:350px}.project:first-child img{object-position:center 47%}.project figcaption{padding-top:12px}.about-grid{display:block}.about-copy{margin-top:30px}.about-copy>p{font-size:15px}.contact-section{padding:79px 0 75px}.contact-section h2{font-size:clamp(43px,10vw,63px)}.contact-grid>div:first-child>p:not(.kicker){font-size:14px}.contact-actions{flex-direction:column;align-items:stretch}.contact-actions .button{justify-content:space-between}.contact-panel{padding:30px 23px}.contact-big{font-size:clamp(26px,7vw,42px)}.email-big{font-size:14px}.footer-main{padding:48px 0 40px;grid-template-columns:1fr 1fr;gap:37px 25px}.footer-main>div:first-child{grid-column:span 2}.footer-logo{width:265px}.footer-main p{margin-top:16px}.footer-bottom{padding:18px 0;flex-direction:column;align-items:start;justify-content:center;gap:7px}.whatsapp-float{right:14px;bottom:14px;width:52px;height:52px}.legal-main{padding:68px 0 83px}.legal-content{padding:24px}.legal-title{font-size:51px}.legal-body .brand{flex-basis:225px}.legal-body .header-inner>.button{font-size:11px;padding-inline:9px;min-height:39px}.legal-body .header-inner{gap:8px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{transition:none!important;scroll-behavior:auto!important}}

/* Extended reference projects gallery */
.all-projects-link{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-top:36px;padding-top:24px;border-top:1px solid var(--border)}
.all-projects-link p{max-width:470px;font-size:13px;line-height:1.7;color:var(--muted);margin:0}
.all-projects-link .button{white-space:nowrap}
.gallery-hero{background:#f1f5f4;padding:92px 0 78px;border-bottom:1px solid #dfe8e7}
.gallery-hero h1{max-width:900px;font-size:clamp(48px,6.3vw,91px);line-height:1.04;letter-spacing:-.068em;margin:0 0 24px}
.gallery-hero h1 span{color:var(--teal)}
.gallery-hero p:not(.kicker){color:#637075;font-size:17px;line-height:1.75;max-width:720px;margin:0 0 33px}
.gallery-hero .kicker{margin:25px 0 15px}
.back-link{font-size:13px;font-weight:700;color:#527b81;display:inline-block;padding:4px 0}
.gallery-stats{display:flex;flex-wrap:wrap;gap:22px 40px;padding-top:23px;border-top:1px solid #d2dbd9}
.gallery-stats span{display:flex;align-items:center;gap:10px;color:#596567;font-size:12px}
.gallery-stats strong{color:#36494b;font-size:28px;letter-spacing:-.07em}
.gallery-list{background:#fff}.project-grid--gallery{grid-template-columns:repeat(4,minmax(0,1fr));gap:28px 20px}
.project-grid--gallery .project-image{height:225px}.project-grid--gallery .project:first-child .project-image{height:225px}
.project-grid--gallery .project:first-child img{object-position:center center}
.gallery-disclaimer{font-size:12px;line-height:1.7;color:#667476;border-top:1px solid var(--border);padding-top:20px;margin-top:45px}
.gallery-contact{background:#527f84;color:#fff;padding:66px 0}
.gallery-contact .container{display:flex;align-items:center;justify-content:space-between;gap:35px}
.gallery-contact h2{font-size:clamp(28px,3.4vw,49px);line-height:1.13;letter-spacing:-.05em;margin:0}
.gallery-contact .kicker{margin-bottom:14px}
@media(max-width:950px){.project-grid--gallery{grid-template-columns:repeat(2,minmax(0,1fr))}.gallery-hero{padding:67px 0 55px}}
@media(max-width:640px){.all-projects-link{align-items:stretch;flex-direction:column}.all-projects-link .button{width:100%}.gallery-hero{padding:47px 0 47px}.gallery-hero p:not(.kicker){font-size:15px}.gallery-stats{gap:12px;flex-direction:column}.project-grid--gallery{grid-template-columns:1fr;gap:22px}.project-grid--gallery .project-image,.project-grid--gallery .project:first-child .project-image{height:270px}.gallery-contact .container{flex-direction:column;align-items:stretch}.gallery-contact .button{width:100%}}

/* Version 8: Story of curved ceiling and 28 project images */
.story-section{padding:94px 0 87px;background:#f1f5f4;border-bottom:1px solid var(--border)}
.story-heading{display:grid;grid-template-columns:1.25fr .75fr;gap:45px;align-items:end;margin-bottom:35px}
.story-heading h2{font-size:clamp(36px,4vw,61px);letter-spacing:-.06em;line-height:1.15;max-width:750px;margin:0}
.story-heading h2 em{font-style:normal;color:var(--teal)}
.story-heading>p{font-size:14px;color:var(--muted);line-height:1.75;margin:0}
.story-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.story-grid figure{margin:0;min-width:0;background:#fff;border:1px solid var(--border)}
.story-grid img{display:block;width:100%;height:280px;object-fit:cover}
.story-grid figcaption{padding:17px 18px 21px;display:flex;flex-direction:column;gap:9px}
.story-grid figcaption span{font-size:10px;color:var(--teal);font-weight:800;letter-spacing:.14em}
.story-grid figcaption strong{font-size:17px;letter-spacing:-.025em}
@media(max-width:950px){.story-heading{grid-template-columns:1fr;gap:20px}.story-grid img{height:215px}}
@media(max-width:640px){.story-section{padding:60px 0}.story-heading h2{font-size:38px}.story-grid{grid-template-columns:1fr}.story-grid img{height:275px}}

/* Version 9: Dachgeschoss project photo story and 38-photo gallery */
.story-section--attic{background:#fff;padding-bottom:87px}
.story-section--attic .story-heading h2{max-width:810px}
.story-section--attic .story-grid figure{background:#f5f7f6}
@media(max-width:640px){.story-section--attic{padding-bottom:62px}}