:root{--ink:#17201d;--sage:#76877c;--sand:#e8dfd2;--paper:#f7f4ef;--white:#fff;--line:#d7d0c6}*{box-sizing:border-box}body{margin:0;font-family:Arial,Helvetica,sans-serif;color:var(--ink);background:var(--paper);line-height:1.65}h1,h2,h3{font-family:Georgia,serif;font-weight:400;line-height:1.08;margin-top:0}h1{font-size:clamp(3rem,7vw,7rem)}h2{font-size:clamp(2.2rem,4.5vw,4.6rem)}h3{font-size:1.55rem}a{color:inherit}.nav{position:fixed;z-index:50;top:0;left:0;right:0;padding:20px 5vw;display:flex;align-items:center;justify-content:space-between;background:rgba(247,244,239,.88);backdrop-filter:blur(12px);border-bottom:1px solid rgba(0,0,0,.06)}.brand{text-decoration:none;font-family:Georgia,serif;font-size:1.35rem;letter-spacing:.12em}.navlinks{display:flex;gap:25px;align-items:center}.navlinks a{text-decoration:none;font-size:.9rem}.btn{display:inline-block;padding:13px 22px;border:1px solid var(--ink);text-decoration:none;text-transform:uppercase;letter-spacing:.12em;font-size:.75rem}.btn.dark{background:var(--ink);color:white}.hero{min-height:100vh;position:relative;display:flex;align-items:flex-end;padding:11rem 6vw 7vw;color:#fff;background:linear-gradient(90deg,rgba(8,15,12,.65),rgba(8,15,12,.12)),url('../img/project-1.jpg') center/cover}.hero .copy{max-width:900px}.eyebrow{text-transform:uppercase;letter-spacing:.24em;font-size:.72rem;font-weight:bold}.hero p{font-size:1.2rem;max-width:650px}.stats{display:grid;grid-template-columns:repeat(4,1fr);background:var(--ink);color:#fff}.stat{padding:35px 4vw;border-right:1px solid rgba(255,255,255,.18)}.stat b{display:block;font-family:Georgia,serif;font-size:2rem;font-weight:400}

.section{padding:110px 6vw}

.grid2{display:grid;grid-template-columns:1fr 1fr;gap:7vw;align-items:center}.visual{min-height:600px;background:center/cover no-repeat}.visual.v2{background-image:url('../img/project-2.jpg')}.visual.v3{background-image:url('../img/project-3.jpg')}.visual.v4{background-image:url('../img/project-4.jpg')}.kicker{color:var(--sage);text-transform:uppercase;letter-spacing:.2em;font-size:.75rem}.
.cards{display:flex;grid-template-columns:repeat(3,1fr);gap:20px}.card{background:#fff;padding:34px;border:1px solid var(--line)}.band{background:var(--sand)}.quote{max-width:900px;margin:auto;text-align:center}.footer{background:var(--ink);color:#fff;padding:60px 6vw}.footer a{color:#fff}.pagehero{padding:180px 6vw 80px;background:var(--sand)}
.contactbox{background:#fff;padding:45px;border:1px solid var(--line)}input,textarea,select{width:100%;padding:13px;border:1px solid #bbb;background:#fff;margin:6px 0 16px}table{width:100%;border-collapse:collapse;background:white}th,td{padding:14px;border-bottom:1px solid #ddd;text-align:left}@media(max-width:850px){.navlinks{display:none}.grid2,.stats,.cards{grid-template-columns:1fr}.visual{min-height:380px}.hero{min-height:80vh}

.section{padding:75px 6vw}}

/* Neue Stagings / Projektfotos */
.visual.staging-living{background-image:url('../img/wlassak5.jpg')}
.visual.staging-penthouse{background-image:url('../img/wlassak4.jpg')}
.visual.staging-bedroom{background-image:url('../img/wlassak7.jpg')}
.staging-gallery{display:grid;grid-template-columns:repeat(12,1fr);gap:18px;margin-top:38px}
.staging-gallery figure{margin:0;overflow:hidden;background:#eee;min-height:300px}
.staging-gallery figure.landscape{grid-column:span 6;aspect-ratio:3/2}
.staging-gallery figure.portrait{grid-column:span 4;aspect-ratio:3/5}
.staging-gallery img{display:block;width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.staging-gallery figure:hover img{transform:scale(1.025)}
.staging-gallery .portrait img{object-position:center center}
@media(max-width:850px){.staging-gallery{grid-template-columns:1fr 1fr;gap:12px}.staging-gallery figure.landscape,.staging-gallery figure.portrait{grid-column:span 1;aspect-ratio:4/5}.staging-gallery figure.landscape img{object-fit:cover}}
@media(max-width:520px){.staging-gallery{grid-template-columns:1fr}.staging-gallery figure.landscape{aspect-ratio:3/2}.staging-gallery figure.portrait{aspect-ratio:3/5}}

/* Dezentrale Bildinszenierung LUMEN13 */
.project-photo{margin:0;overflow:hidden;background:#eee}.project-photo img{display:block;width:100%;height:100%;object-fit:cover}.portrait-photo{max-width:520px;justify-self:center;aspect-ratio:4/5}.image-story-head{max-width:820px;margin-bottom:38px}.photo-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}.photo-grid figure{margin:0;overflow:hidden;background:#eee}.photo-grid .wide{aspect-ratio:3/2}.photo-grid img{display:block;width:100%;height:100%;object-fit:cover}.photo-grid figure:nth-child(3){grid-column:1/-1;max-width:900px;width:100%;justify-self:center}.photo-grid.mixed{grid-template-columns:minmax(260px,.72fr) 1.3fr}.photo-grid.mixed .portrait{grid-row:span 2;aspect-ratio:3/5}.photo-grid.mixed figure:nth-child(3){grid-column:2;max-width:none}.contact-project-image{display:block;width:100%;aspect-ratio:3/2;object-fit:cover;margin-bottom:35px}@media(max-width:850px){.photo-grid,.photo-grid.mixed{grid-template-columns:1fr}.photo-grid figure:nth-child(3),.photo-grid.mixed figure:nth-child(3){grid-column:auto}.photo-grid.mixed .portrait{grid-row:auto;max-width:520px;width:100%;justify-self:center}.portrait-photo{width:100%}}

/* Kompaktere Abstände – orientiert an der ruhigen, dichten Inhaltsführung von RIVUS Living */
.section{padding:72px 6vw}
.grid2{gap:4.5vw}
.visual{min-height:500px}
.pagehero{padding:145px 6vw 58px}
.stats .stat{padding:27px 4vw}
.footer{padding:45px 6vw}
.contactbox{padding:34px}
.image-story-head{margin-bottom:24px}
.staging-gallery{margin-top:24px;gap:14px}
.photo-grid{gap:16px}
.contact-project-image{margin-bottom:24px}
.section h2{margin-bottom:20px}
.section h3{margin-bottom:12px}
.section p{margin-top:0;margin-bottom:18px}
.section .btn{margin-top:4px}
@media(max-width:850px){
  .section{padding:52px 6vw}
  .pagehero{padding:125px 6vw 42px}
  .visual{min-height:340px}
  .grid2{gap:30px}
  .stats .stat{padding:22px 6vw}
  .footer{padding:38px 6vw}
  .contactbox{padding:26px}
}

/* Feinschliff nach RIVUS-LIVING / Treehouse4: kompakter, klarer, mehr Editorial-Rhythmus */
body{line-height:1.55}
h1{font-size:50px;}

h2{font-size: 40px;line-height:1.08}

h3{font-size:1.4rem}

.nav{padding:16px max(5vw,calc((100vw - 1240px)/2))}
.hero{min-height:88vh;padding:9rem max(6vw,calc((100vw - 1240px)/2)) 5.5rem}
.hero .copy{max-width:760px}.hero p{font-size:1.08rem;max-width:600px}
.stats{padding-left:max(0px,calc((100vw - 1240px)/2));padding-right:max(0px,calc((100vw - 1240px)/2))}
.stat{padding:24px 28px}.stat b{font-size:1.75rem}

.section{padding:58px max(6vw,calc((100vw - 1240px)/2))}
.section2 {padding:40px;
          margin-bottom:-3%;}


.grid2{gap:54px}
.visual{min-height:430px}
.pagehero{padding:125px max(6vw,calc((100vw - 1240px)/2)) 46px}
.pagehero h1{margin-bottom:14px}.pagehero p{margin-bottom:0}
.kicker,.eyebrow{margin-bottom:10px}
.section h2{margin-bottom:16px}.section h3{margin-bottom:10px}.section p{margin-bottom:15px}
.cards{gap:16px;display:flex;}.card{padding:26px}
.btn{padding:11px 19px}
.image-story-head{margin-bottom:18px}
.staging-gallery{margin-top:18px;gap:12px}
.photo-grid{gap:12px}
.footer{padding:38px max(6vw,calc((100vw - 1240px)/2))}
.contactbox{padding:28px}
.contact-project-image{margin-bottom:18px}
@media(max-width:850px){
 .hero{min-height:72vh;padding:8rem 6vw 3.5rem}.section{padding:42px 6vw}.pagehero{padding:105px 6vw 34px}.grid2{gap:24px}.visual{min-height:300px}.stat{padding:18px 6vw}.footer{padding:32px 6vw}.contactbox{padding:22px}h2{font-size:clamp(1.9rem,8vw,2.7rem)}
}


/* LUMEN13 Corporate Design – angelehnt an Transparent/Banner */
:root{--ink:#333222;--sage:#b99561;--sand:#e6d0aa;--paper:#f7f3eb;--white:#fff;--line:#d9cfbf;--gold:#d7b27a;--olive:#333222;--cream:#f3eadc}
body{background:var(--paper);color:var(--ink)}
.nav{background:rgba(51,50,34,.96);border-bottom:1px solid rgba(215,178,122,.35);backdrop-filter:blur(10px)}
.brand-logo{display:flex;align-items:center;line-height:0}
.brand-logo img{display:block;width:auto;height:58px;max-width:250px;object-fit:contain}
.navlinks a{color:#fff}.navlinks a:not(.btn):hover{color:var(--gold)}
.btn{border-color:var(--gold);transition:.2s ease;background:transparent}.btn:hover{background:var(--gold);border-color:var(--gold);color:var(--olive)}
.btn.dark{background:var(--olive);border-color:var(--olive);color:#fff}.btn.dark:hover{background:var(--gold);border-color:var(--gold);color:var(--olive)}
.hero{background:linear-gradient(90deg,rgba(51,50,34,.90) 0%,rgba(51,50,34,.60) 35%,rgba(51,50,34,.12) 70%),url('../img/project-1.jpg') center/cover}
.hero .eyebrow{color:var(--gold)}
.hero h1{max-width:780px}.hero p{color:#f7f3eb}
.stats{background:var(--olive)}.stat b{color:var(--gold)}
.kicker{color:#a57f4c; font-size:14px;}

.band{background:var(--cream)}
.pagehero{background:var(--cream);border-bottom:1px solid var(--line)}
.footer{background:var(--olive)}
.footer-logo img{display:block;width:285px;max-width:100%;height:auto;margin-bottom:18px}
.card,.contactbox,table{border-color:var(--line)}

/* Hochformat-Slider im Bereich Wohnwelten */
.portrait-slider{position:relative;width:min(100%,520px);justify-self:center;aspect-ratio:3/5;overflow:hidden;background:#ddd;box-shadow:0 16px 45px rgba(51,50,34,.13)}
.portrait-slides,.portrait-slide{position:absolute;inset:0;margin:0}
.portrait-slide{opacity:0;visibility:hidden;transition:opacity .45s ease,visibility .45s ease}
.portrait-slide.active{opacity:1;visibility:visible}
.portrait-slide img{display:block;width:100%;height:100%;object-fit:cover}
.portrait-prev,.portrait-next{position:absolute;z-index:3;top:50%;transform:translateY(-50%);width:44px;height:44px;border:1px solid rgba(255,255,255,.7);border-radius:50%;background:rgba(51,50,34,.72);color:var(--gold);font:300 34px/38px Georgia,serif;cursor:pointer;display:grid;place-items:center;padding:0;transition:.2s ease}
.portrait-prev{left:16px}.portrait-next{right:16px}.portrait-prev:hover,.portrait-next:hover{background:var(--gold);color:var(--olive)}
.portrait-counter{position:absolute;z-index:3;right:16px;bottom:16px;background:rgba(51,50,34,.82);color:#fff;padding:7px 11px;font-size:.72rem;letter-spacing:.12em}
@media(max-width:850px){.brand-logo img{height:48px;max-width:210px}.nav{padding-top:10px;padding-bottom:10px}.portrait-slider{width:min(100%,460px)}}

/* Ausstattung – Icon-Kacheln im LUMEN13 Corporate Design */
.feature-cards{align-items:stretch}
.feature-card{position:relative;padding:25px 26px 24px;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.feature-card:hover{transform:translateY(-3px);border-color:var(--gold);box-shadow:0 12px 30px rgba(51,50,34,.08)}
.feature-icon{width:52px;height:52px;margin-bottom:19px;border:1px solid var(--gold);border-radius:50%;display:grid;place-items:center;color:var(--olive);background:var(--sand);font-size:1.25rem}
.feature-card h3{margin-bottom:8px}
.feature-card p{margin:0;color:rgba(51,50,34,.78)}
@media(max-width:850px){.feature-card{padding:22px}.feature-icon{width:48px;height:48px;margin-bottom:15px}}


/* Floating LUMEN13 YouTube Short */
.lumen-video-float{position:fixed;right:22px;bottom:22px;width:230px;aspect-ratio:9/16;z-index:1040;background:#111;border-radius:14px;overflow:hidden;box-shadow:0 12px 38px rgba(0,0,0,.28);border:1px solid rgba(255,255,255,.35)}
.lumen-video-float iframe{width:100%;height:100%;display:block;border:0}
.lumen-video-expand{position:absolute;left:9px;top:9px;z-index:2;width:38px;height:38px;border:0;border-radius:50%;background:rgba(0,0,0,.72);color:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer;box-shadow:0 2px 9px rgba(0,0,0,.3);transition:.2s ease}
.lumen-video-expand:hover{background:#000;transform:scale(1.06)}
.lumen-video-expand svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.lumen-video-modal{position:fixed;inset:0;z-index:2000;display:none;align-items:center;justify-content:center;padding:24px;background:rgba(0,0,0,.78)}
.lumen-video-modal.is-open{display:flex}
.lumen-video-dialog{position:relative;width:min(520px,90vw);aspect-ratio:9/16;background:#000;border-radius:16px;overflow:hidden;box-shadow:0 18px 70px rgba(0,0,0,.5)}
.lumen-video-dialog iframe{width:100%;height:100%;border:0;display:block}
.lumen-video-close{position:absolute;right:12px;top:12px;z-index:3;width:40px;height:40px;border:0;border-radius:50%;background:rgba(0,0,0,.72);color:#fff;font-size:27px;line-height:36px;text-align:center;cursor:pointer}
body.lumen-video-open{overflow:hidden}
@media(max-width:767.98px){.lumen-video-float{width:130px;right:12px;bottom:12px;border-radius:10px}.lumen-video-expand{width:32px;height:32px;left:7px;top:7px}.lumen-video-expand svg{width:15px;height:15px}.lumen-video-modal{padding:12px}.lumen-video-dialog{width:min(90vw,500px)}}


/* Ausfahrende Kundenstimme */
.lumen-review-widget{position:fixed;left:22px;bottom:22px;z-index:1055;font-family:Arial,Helvetica,sans-serif}
.lumen-review-badge{display:flex;align-items:center;gap:11px;min-height:58px;padding:9px 15px 9px 10px;border:1px solid rgba(255,255,255,.3);border-radius:999px;background:var(--ink);color:#fff;text-align:left;cursor:pointer;box-shadow:0 8px 26px rgba(0,0,0,.24);transition:transform .2s ease,box-shadow .2s ease}
.lumen-review-badge:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(0,0,0,.3)}
.lumen-review-quote-icon{display:flex;align-items:center;justify-content:center;width:38px;height:38px;flex:0 0 38px;border-radius:50%;background:var(--sage);font-family:Georgia,serif;font-size:34px;line-height:1;padding-top:8px}
.lumen-review-badge-text{display:flex;flex-direction:column;gap:1px;white-space:nowrap}
.lumen-review-badge-text strong{font-family:Georgia,serif;font-size:1rem;font-weight:400}
.lumen-review-badge-text small{font-size:.72rem;opacity:.78}
.lumen-review-chevron{width:17px;height:17px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;transition:transform .25s ease}
.lumen-review-widget.is-open .lumen-review-chevron{transform:rotate(180deg)}
.lumen-review-panel{position:absolute;left:0;bottom:calc(100% + 12px);display:flex;flex-direction:column;width:min(390px,calc(100vw - 44px));max-height:min(72vh,620px);padding:24px;background:#fff;color:var(--ink);border:1px solid var(--line);border-radius:14px;box-shadow:0 16px 50px rgba(0,0,0,.24);opacity:0;visibility:hidden;pointer-events:none;transform:translate(-12px,12px);transform-origin:left bottom;transition:opacity .22s ease,transform .22s ease,visibility .22s ease}
.lumen-review-widget.is-open .lumen-review-panel{opacity:1;visibility:visible;pointer-events:auto;transform:translate(0,0)}
.lumen-review-panel-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;padding-bottom:16px;border-bottom:1px solid var(--line)}
.lumen-review-kicker{display:block;margin-bottom:6px;color:var(--sage);font-size:.68rem;font-weight:700;letter-spacing:.13em;text-transform:uppercase}
.lumen-review-panel-head h2{margin:0;font-family:Georgia,serif;font-size:1.55rem;font-weight:400;line-height:1.15}
.lumen-review-close{flex:0 0 34px;width:34px;height:34px;border:0;border-radius:50%;background:#f1eee9;color:var(--ink);font-size:24px;line-height:1;cursor:pointer}
.lumen-review-copy{overflow-y:auto;padding:16px 2px 8px 0;font-size:.9rem;line-height:1.65}
.lumen-review-copy p{margin:0 0 12px}
.lumen-review-copy p:last-child{margin-bottom:0}
.lumen-review-signature{display:flex;flex-direction:column;gap:3px;padding-top:14px;border-top:1px solid var(--line)}
.lumen-review-signature strong{font-family:Georgia,serif;font-size:1.05rem;font-weight:400}
.lumen-review-signature span{color:#616a64;font-size:.75rem;line-height:1.45}
@media(max-width:600px){.lumen-review-widget{left:12px;bottom:12px}.lumen-review-badge{min-height:52px;padding:7px 12px 7px 8px;gap:9px}.lumen-review-quote-icon{width:34px;height:34px;flex-basis:34px;font-size:30px}.lumen-review-panel{width:calc(100vw - 24px);max-height:70vh;padding:20px;border-radius:12px}.lumen-review-panel-head h2{font-size:1.4rem}.lumen-review-copy{font-size:.86rem}}
@media(prefers-reduced-motion:reduce){.lumen-review-badge,.lumen-review-chevron,.lumen-review-panel{transition:none}}