/* Rundgang – Architektur-Ästhetik: Papierweiß, Tinte, ein tiefes Grün. Große Serifenschrift, feine Linien, viel Raum. */
@font-face{font-family:"Instrument Serif";src:url(/fonts/instrument-serif.woff2?v=37ddf465) format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"Instrument Serif";src:url(/fonts/instrument-serif-italic.woff2?v=24e6c99c) format("woff2");font-weight:400;font-style:italic;font-display:swap}
@font-face{font-family:"Inter";src:url(/fonts/inter.woff2?v=f11d729b) format("woff2");font-weight:100 900;font-display:swap}
:root{
  --paper:#f3f2ee;--paper2:#e9e7e1;--ink:#151515;--muted:#6d6b66;--faint:#9a978f;--line:rgba(21,21,21,.13);--green:#1e3a2f;--brass:#a8834e;
  --serif:"Instrument Serif",Georgia,"Times New Roman",serif;--sans:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  color-scheme:light;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit}
.wrap{max-width:1260px;margin:0 auto;padding-left:max(22px,env(safe-area-inset-left,0px));padding-right:max(22px,env(safe-area-inset-right,0px))}
.label{font-size:11px;letter-spacing:.24em;text-transform:uppercase;color:var(--muted);font-weight:500}
h1,h2,h3{font-family:var(--serif);font-weight:400;line-height:1.02;margin:0;letter-spacing:-.01em;text-wrap:balance}
em{font-family:var(--serif);font-style:italic}
:focus-visible{outline:2px solid var(--green);outline-offset:3px}

/* Kopf */
.nav{position:sticky;top:0;z-index:30;background:rgba(243,242,238,.92);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--line);padding-top:env(safe-area-inset-top,0px)}
.nav .wrap{display:flex;justify-content:space-between;align-items:center;height:64px;gap:20px}
.brand{text-decoration:none;display:flex;align-items:baseline;gap:10px}
.brand b{font-family:var(--serif);font-weight:400;font-size:26px;letter-spacing:-.01em}
.brand span{font-size:10px;letter-spacing:.24em;text-transform:uppercase;color:var(--muted)}
.nav nav{display:flex;gap:28px;align-items:center}
.nav nav a{font-size:13px;text-decoration:none;color:var(--muted)}
.nav nav a:hover{color:var(--ink)}
.btn{display:inline-flex;align-items:center;gap:10px;background:var(--ink);color:var(--paper);text-decoration:none;border:0;font:inherit;font-size:14px;font-weight:500;padding:14px 22px;cursor:pointer;letter-spacing:.01em}
.btn:hover{background:var(--green)}
.btn.ghost{background:transparent;color:var(--ink);border:1px solid var(--ink)}
.btn.ghost:hover{background:var(--ink);color:var(--paper)}
.nav .btn{padding:10px 16px;font-size:13px;white-space:nowrap}
.nav nav a.btn{color:var(--paper)}

/* Einstieg */
.hero{padding-top:clamp(36px,5.5vw,78px)}
.hero-top{display:grid;grid-template-columns:1.35fr 1fr;gap:clamp(30px,6vw,90px);align-items:end}
.hero h1{font-size:clamp(46px,6.8vw,108px);margin-top:18px}
.hero h1 em{color:var(--green)}
.hero-side p{margin:0 0 26px;color:var(--muted);font-size:17px;max-width:30em}
.hero-side .acts{display:flex;gap:12px;flex-wrap:wrap}

/* Viewer */
.viewer{margin-top:clamp(28px,4vw,52px);border:1px solid var(--line);background:#efede8}
.stage{position:relative;height:min(74vh,760px);min-height:440px;overflow:hidden;touch-action:none;cursor:grab}
.stage:active{cursor:grabbing}
.stage canvas{position:absolute;inset:0;width:100%!important;height:100%!important;display:block}
.stage .poster{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:opacity .8s}
.stage.ready .poster{opacity:0;pointer-events:none}
.stage .loading{position:absolute;left:20px;bottom:18px;font-size:12px;color:var(--muted);letter-spacing:.06em}
.stage.ready .loading{display:none}
.hint{position:absolute;right:16px;top:14px;font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);background:rgba(243,242,238,.85);padding:6px 10px;pointer-events:none}
.tour-labels{position:absolute;inset:0;pointer-events:none}
.tour-label{position:absolute;left:0;top:0;pointer-events:auto;cursor:pointer;display:flex;flex-direction:column;align-items:center;gap:1px;background:rgba(255,255,255,.92);border:1px solid var(--line);padding:6px 10px;font:inherit;color:var(--ink);white-space:nowrap;transition:opacity .2s,background .2s}
.tour-label:hover{background:var(--ink);color:var(--paper)}
.tour-label b{font-weight:500;font-size:12px}
.tour-label span{font-size:11px;color:var(--muted);font-variant-numeric:tabular-nums}
.tour-label:hover span{color:#cfcac0}
.bar{display:flex;justify-content:space-between;gap:14px;align-items:center;border-top:1px solid var(--line);padding:10px 12px;flex-wrap:wrap;background:var(--paper)}
.views{display:flex;gap:4px;overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none;max-width:100%}
.views::-webkit-scrollbar{display:none}
.views button{flex:none;background:transparent;border:1px solid transparent;font:inherit;font-size:13px;padding:8px 12px;cursor:pointer;color:var(--muted)}
.views button:hover{color:var(--ink)}
.views button[aria-pressed="true"]{border-color:var(--ink);color:var(--ink)}
.views .sep{width:1px;background:var(--line);margin:6px 6px;flex:none}
.tools{display:flex;gap:16px;align-items:center}
label.switch{display:flex;text-transform:none;letter-spacing:0;font-weight:400;align-items:center;gap:10px;font-size:13px;color:var(--muted);cursor:pointer;user-select:none}
.switch input{min-height:0;padding:0;flex:none;appearance:none;-webkit-appearance:none;width:38px;height:22px;border-radius:11px;background:var(--paper2);border:1px solid var(--line);position:relative;cursor:pointer;margin:0;transition:background .2s}
.switch input::after{content:"";position:absolute;top:2px;left:2px;width:16px;height:16px;border-radius:50%;background:#fff;box-shadow:0 1px 2px rgba(0,0,0,.2);transition:transform .2s}
.switch input:checked{background:var(--green)}
.switch input:checked::after{transform:translateX(16px)}
.icon-btn{background:transparent;border:1px solid var(--line);width:36px;height:36px;display:grid;place-items:center;cursor:pointer;color:var(--ink)}
.viewer-note{display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:12px;color:var(--faint);padding:12px 0 0}
.viewer:fullscreen{border:0;display:flex;flex-direction:column}
.viewer:fullscreen .stage{flex:1;height:auto}

/* Abschnitte */
.pad{padding-block:clamp(90px,12vw,160px)}
.sec-head{display:grid;grid-template-columns:1fr 1.2fr;gap:clamp(30px,6vw,90px);align-items:end}
.sec-head h2{font-size:clamp(40px,5.6vw,76px)}
.sec-head p{margin:0;color:var(--muted);font-size:17px;max-width:34em}

.compare{display:grid;grid-template-columns:1fr 1fr;gap:2px;margin-top:56px;background:var(--line);border:1px solid var(--line)}
.compare figure{margin:0;background:var(--paper);display:flex;flex-direction:column}
.compare .pic{aspect-ratio:16/11;display:grid;place-items:center;overflow:hidden;background:#fff}
.compare .pic img,.compare .pic svg{width:100%;height:100%;object-fit:cover}
.compare figcaption{display:flex;justify-content:space-between;gap:10px;padding:14px 18px;font-size:13px;color:var(--muted);border-top:1px solid var(--line)}
.compare figcaption b{color:var(--ink);font-weight:500}

.statement{text-align:center}
.statement h2{font-size:clamp(44px,7vw,100px)}
.statement p{max-width:36em;margin:30px auto 0;color:var(--muted);font-size:18px}

.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));margin-top:60px;border-top:1px solid var(--ink)}
.steps div{padding:28px 30px 0 0}
.steps div+div{padding-left:30px;border-left:1px solid var(--line)}
.steps .n{font-family:var(--serif);font-size:56px;line-height:1;color:var(--green)}
.steps h3{font-size:30px;margin-top:22px}
.steps p{margin:12px 0 0;color:var(--muted);font-size:15px}

.who{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:2px;background:var(--line);border:1px solid var(--line);margin-top:56px}
.who div{background:var(--paper);padding:34px 30px 38px}
.who h3{font-size:34px}
.who p{margin:14px 0 0;color:var(--muted);font-size:15px}
.who .tag{display:inline-block;margin-top:22px;font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--green)}

.dark{background:var(--ink);color:var(--paper)}
.dark .label{color:#9c988f}
.dark .sec-head p{color:#b7b3aa}
.incl{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));column-gap:clamp(30px,6vw,90px);margin-top:56px;border-top:1px solid rgba(243,242,238,.18)}
.incl>div{display:grid;grid-template-columns:44px minmax(0,1fr);gap:10px;padding:24px 0;border-bottom:1px solid rgba(243,242,238,.18)}
.incl .n{font-family:var(--serif);font-size:22px;color:var(--brass)}
.incl h3{font-size:26px}
.incl p{margin:6px 0 0;color:#b7b3aa;font-size:15px}

.gallery{display:grid;grid-template-columns:1.4fr 1fr;grid-template-rows:auto auto;gap:14px;margin-top:56px}
.gallery figure{margin:0;position:relative;overflow:hidden;background:#e6e3dc}
.gallery figure:first-child{grid-row:span 2}
.gallery img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/10}
.gallery figure:first-child img{aspect-ratio:auto;min-height:100%}
.gallery figcaption{position:absolute;left:14px;bottom:12px;font-size:12px;background:rgba(243,242,238,.9);padding:5px 10px}

.offer{display:grid;grid-template-columns:1fr 1fr;gap:clamp(30px,6vw,90px);align-items:start}
.offer h2{font-size:clamp(44px,6vw,84px)}
.facts{border-top:1px solid var(--ink);margin-top:10px}
.facts div{display:flex;justify-content:space-between;gap:20px;padding:18px 0;border-bottom:1px solid var(--line)}
.facts dt{color:var(--muted);font-size:15px}
.facts dd{margin:0;font-size:15px;text-align:right;font-weight:500}

.faq{max-width:900px;margin-top:40px;border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line);padding:20px 0}
.faq summary{cursor:pointer;font-family:var(--serif);font-size:26px;list-style:none;display:flex;justify-content:space-between;gap:20px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-family:var(--sans);font-weight:300;color:var(--muted)}
.faq details[open] summary::after{content:"–"}
.faq p{margin:12px 0 0;color:var(--muted);max-width:44em}

/* Kontakt */
.contact{display:grid;grid-template-columns:1fr 1.2fr;gap:clamp(30px,6vw,90px)}
.contact h2{font-size:clamp(44px,6vw,84px)}
.contact .side p{color:var(--muted);margin:24px 0 0;max-width:28em}
form{display:grid;gap:26px}
.row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:26px}
label{display:grid;gap:8px;font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--muted);font-weight:500}
input,select,textarea{font:inherit;font-size:16px;letter-spacing:0;text-transform:none;color:var(--ink);background:transparent;border:0;border-bottom:1px solid rgba(21,21,21,.25);border-radius:0;padding:10px 0;min-height:46px;width:100%;-webkit-appearance:none;appearance:none}
input:focus,select:focus,textarea:focus{outline:0;border-color:var(--green)}
select{background-image:linear-gradient(45deg,transparent 50%,var(--muted) 50%),linear-gradient(135deg,var(--muted) 50%,transparent 50%);background-position:calc(100% - 10px) 55%,calc(100% - 5px) 55%;background-size:5px 5px;background-repeat:no-repeat}
textarea{min-height:100px;resize:vertical}
.check{display:flex;gap:12px;align-items:flex-start;text-transform:none;letter-spacing:0;font-size:14px;font-weight:400}
.check input{width:18px;height:18px;min-height:18px;margin-top:3px;flex:none;-webkit-appearance:checkbox;appearance:auto;accent-color:var(--green)}
.fine{font-size:13px;color:var(--faint);margin:0}
.fallback{border-top:1px solid var(--line);padding-top:18px;font-size:15px;color:var(--muted)}
[hidden]{display:none!important}

footer{border-top:1px solid var(--line);padding-block:36px calc(40px + env(safe-area-inset-bottom,0px));font-size:13px;color:var(--muted)}
footer .wrap{display:flex;flex-wrap:wrap;gap:12px 28px;justify-content:space-between}
footer a{text-decoration:none}
.legal{padding-block:80px 90px;max-width:820px}
.legal h1{font-size:clamp(40px,6vw,64px);margin-bottom:24px}
.legal h2{font-family:var(--sans);font-size:12px;letter-spacing:.2em;text-transform:uppercase;font-weight:600;margin:34px 0 8px}
.legal p{color:#3c3a36;overflow-wrap:anywhere}

.js .rv{opacity:0;transform:translateY(16px);transition:opacity .9s ease,transform .9s ease}
.js .rv.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.js .rv{opacity:1;transform:none;transition:none}html{scroll-behavior:auto}}

@media (max-width:900px){
  .hero-top,.sec-head,.offer,.contact{grid-template-columns:1fr}
  .nav nav a:not(.btn){display:none}
  .compare,.who,.steps,.incl,.row{grid-template-columns:1fr}
  .steps div,.steps div+div{padding:26px 0 0;border-left:0}
  .steps div+div{border-top:1px solid var(--line);margin-top:26px}
  .gallery{grid-template-columns:1fr}
  .gallery figure:first-child{grid-row:auto}
  .stage{height:68svh;min-height:420px}
  .views{flex-wrap:wrap;overflow:visible}
  .views button{padding:7px 10px}
  .views .sep{display:none}
  .tour-label{padding:4px 7px}
  .tour-label b{font-size:11px}
  .tour-label span{display:none}
}
@media (max-width:560px){
  .brand span{display:none}
  .hero-side p{font-size:16px;margin-bottom:20px}
  .hero-side .acts .ghost{display:none}
  .hero .label{letter-spacing:.18em}
}