/* STEP-Design Theme für Bludit
   Farben und Abstände zentral hier anpassen: */
:root{
  --bg:#f6f5f2; --surface:#ffffff; --ink:#1d1f24; --muted:#5d6068;
  --line:#e3e1dc; --accent:#c4501f; --dark:#1d1f24;
  --radius:14px; --max:1180px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:72px}
body{font-family:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
     background:var(--bg);color:var(--ink);line-height:1.6;font-size:17px;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%;height:auto}
a{color:inherit}
.wrap{max-width:var(--max);margin:0 auto;padding:0 20px}
.wrap.narrow{max-width:780px}
section{padding:88px 0}
.eyebrow{font-size:.8rem;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);font-weight:700;margin-bottom:12px}
h1,h2,h3{line-height:1.15;letter-spacing:-.02em}
h2{font-size:clamp(1.8rem,3.5vw,2.6rem);margin-bottom:16px}
.lead{color:var(--muted);max-width:640px;font-size:1.08rem}
.lead p+p{margin-top:.8em}

/* Kopfzeile */
.site-header{position:sticky;top:0;z-index:50;background:rgba(246,245,242,.9);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:flex;align-items:center;text-decoration:none;font-weight:800;font-size:1.15rem}
.brand img{height:48px;width:auto}
.menu{display:flex;gap:28px;list-style:none}
.menu a{text-decoration:none;font-size:.95rem;color:var(--muted);font-weight:500}
.menu a:hover{color:var(--ink)}
.burger{display:none;background:none;border:0;width:44px;height:44px;cursor:pointer}
.burger span{display:block;width:22px;height:2px;background:var(--ink);margin:5px auto;transition:.25s}
@media (max-width:760px){
  .burger{display:block}
  .menu{position:fixed;inset:64px 0 auto 0;flex-direction:column;gap:0;background:var(--bg);
        border-bottom:1px solid var(--line);max-height:0;overflow:hidden;transition:max-height .3s}
  .menu.open{max-height:400px}
  .menu a{display:block;padding:16px 20px;font-size:1.05rem;border-top:1px solid var(--line)}
  .burger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .burger[aria-expanded="true"] span:nth-child(2){opacity:0}
  .burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
}

/* Einstieg */
.hero{padding:72px 0 88px}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
.hero-grid > div:only-child{grid-column:1 / -1}
.hero h1{font-size:clamp(2.3rem,5.5vw,4.2rem);margin-bottom:22px}
.hero h1 em{font-style:normal;color:var(--accent)}
.btns{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}
.btn{display:inline-block;padding:13px 24px;border-radius:999px;text-decoration:none;font-weight:600;font-size:.95rem;border:1.5px solid var(--ink)}
.btn.primary{background:var(--ink);color:#fff}
.btn:hover{opacity:.85}
.hero-img{aspect-ratio:4/5;border-radius:var(--radius);overflow:hidden}
@media (max-width:860px){.hero-grid{grid-template-columns:1fr}.hero-img{aspect-ratio:16/10}}

/* Bild-Platzhalter */
.ph{position:relative;background:linear-gradient(135deg,#3a3d45,#1d1f24 60%,#5a2a14);color:#fff}
.ph::after{content:attr(data-label);position:absolute;left:14px;bottom:12px;font-size:.75rem;opacity:.6;letter-spacing:.04em}
.ph img{position:relative;z-index:1;width:100%;height:100%;object-fit:cover}

/* Leistungen */
.services{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:44px}
@media (max-width:900px){.grid3{grid-template-columns:repeat(2,1fr)}}
@media (max-width:560px){.grid3{grid-template-columns:1fr}}
.card{padding:28px;border:1px solid var(--line);border-radius:var(--radius);background:var(--bg)}
.card .num{font-size:.8rem;font-weight:700;color:var(--accent)}
.card h3{font-size:1.2rem;margin:10px 0 8px}
.card-body{color:var(--muted);font-size:.95rem}
.card-body p+p{margin-top:.6em}
.card-link{display:flex;flex-direction:column;text-decoration:none;color:inherit;transition:border-color .2s,transform .2s,box-shadow .2s}
.card-link .card-body{flex:1}
.card-more{margin-top:16px;font-size:.88rem;font-weight:600;color:var(--accent);opacity:.75;transition:opacity .2s}
.card-link:hover,.card-link:focus-visible{border-color:var(--accent);transform:translateY(-3px);box-shadow:0 10px 24px rgba(0,0,0,.06)}
.card-link:hover .card-more,.card-link:focus-visible .card-more{opacity:1}

/* Projekte */
.filters{display:flex;gap:8px;flex-wrap:wrap;margin:36px 0 28px}
.filters button{font:inherit;font-size:.88rem;padding:8px 16px;border-radius:999px;border:1px solid var(--line);background:var(--surface);cursor:pointer;color:var(--muted)}
.filters button.active{background:var(--ink);color:#fff;border-color:var(--ink)}
.projects{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:20px;margin-top:28px}
.filters + .projects{margin-top:0}
.project{display:flex;flex-direction:column;justify-content:flex-start;border:0;background:none;text-align:left;cursor:pointer;font:inherit;color:inherit}
.project .ph{aspect-ratio:4/3;border-radius:var(--radius);overflow:hidden}
.project .ph img{transition:transform .5s}
.project:hover .ph img{transform:scale(1.04)}
.project h3{font-size:1.02rem;margin-top:12px}
.project small{color:var(--muted);font-size:.85rem}
.project[hidden]{display:none}

/* Flyer-Fächer */
.flyer-stage{position:relative;aspect-ratio:4/3;border-radius:var(--radius);overflow:hidden;background:#e7e2d9}
.flyer-stage .fl{position:absolute;left:50%;top:50%;height:80%;aspect-ratio:1/2.1;border-radius:3px;overflow:hidden;
  box-shadow:0 10px 24px rgba(0,0,0,.22);
  transform:translate(-50%,-50%) translateX(calc((var(--i) - var(--mid)) * 45%)) rotate(calc((var(--i) - var(--mid)) * 5deg));
  transition:transform .45s cubic-bezier(.2,.7,.2,1)}
.project:hover .flyer-stage .fl,.project:focus-visible .flyer-stage .fl{
  transform:translate(-50%,-50%) translateX(calc((var(--i) - var(--mid)) * 64%)) rotate(calc((var(--i) - var(--mid)) * 8deg))}
.flyer-badge{position:absolute;top:12px;left:12px;z-index:5;background:var(--ink);color:#fff;font-size:.75rem;font-weight:600;padding:4px 10px;border-radius:999px}
.fl-ph{position:relative;background:var(--c,#555);color:#fff}
.fl-ph::after{content:attr(data-label);position:absolute;left:8px;right:8px;bottom:10px;font-size:.72rem;line-height:1.25;opacity:.9}
.fl-ph img{position:relative;z-index:1;width:100%;height:100%;object-fit:cover}

/* Referenzen */
.refs{background:var(--dark);color:#fff}
.refs .lead{color:#b9bbc2}
.ref-content ul{list-style:none;display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:0 32px;margin-top:40px}
.ref-content li{padding:14px 0;border-bottom:1px solid #383b43;color:#e8e8ea}
.ref-content a{text-decoration:none}
.ref-content a::after{content:" ↗"}
.ref-content a:hover{color:var(--accent)}
.ref-content p{color:#b9bbc2;margin-top:24px}

/* Kontakt */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
@media (max-width:760px){.contact-grid{grid-template-columns:1fr}}
.contact-box{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:32px}
.contact-box a{color:var(--accent);font-weight:600;text-decoration:none}

/* Fließtext (Kontakt, Impressum, Projektseiten) */
.prose > * + *{margin-top:1em}
.prose h2{font-size:1.5rem;margin-top:1.8em}
.prose h3{font-size:1.2rem;margin-top:1.5em}
.prose ul,.prose ol{padding-left:1.3em}
.prose img{border-radius:8px}
.prose a{color:var(--accent)}

/* Einzelseite */
.single{padding:56px 0 88px}
.single h1{font-size:clamp(2rem,4.5vw,3.2rem);margin:6px 0 16px}
.single h1 em{font-style:normal;color:var(--accent)}
.single .lead{margin-bottom:28px}
.single-cover{width:100%;border-radius:var(--radius);margin-bottom:32px}
.back{display:inline-block;margin-bottom:28px;color:var(--muted);text-decoration:none;font-size:.92rem}
.back:hover{color:var(--ink)}

/* Fußbereich */
.site-footer{border-top:1px solid var(--line);padding:28px 0;font-size:.88rem;color:var(--muted)}
.site-footer .wrap{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
.site-footer a{text-decoration:none;margin-left:18px}
.site-footer a:first-child{margin-left:0}
.site-footer a:hover{color:var(--ink)}

/* Großansichten */
dialog{border:0;padding:0;background:transparent;max-width:min(1000px,92vw);margin:auto}
dialog::backdrop{background:rgba(15,16,19,.9)}
#lightbox figure .ph{aspect-ratio:4/3;width:min(1000px,92vw);border-radius:var(--radius);overflow:hidden}
#lightbox figure .ph img{object-fit:contain;background:#111}
#lightbox figcaption{color:#fff;margin-top:12px}
#lightbox figcaption a{color:#fff;font-weight:600;margin-left:8px}
dialog .close{position:fixed;top:16px;right:20px;width:44px;height:44px;border-radius:50%;border:0;background:#fff;font-size:1.4rem;cursor:pointer;z-index:2}
#flyerbox{width:min(1100px,94vw);max-width:none}
.fb-inner{background:var(--surface);border-radius:var(--radius);padding:24px}
.fb-tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:18px}
.fb-tabs button{font:inherit;font-size:.85rem;padding:7px 14px;border-radius:999px;border:1px solid var(--line);background:var(--bg);color:var(--muted);cursor:pointer}
.fb-tabs button.active{background:var(--ink);color:#fff;border-color:var(--ink)}
.fb-head h3{font-size:1.3rem}
.fb-head p{color:var(--muted);font-size:.92rem;margin-bottom:16px}
.fb-strip{display:flex;gap:16px;overflow-x:auto;scroll-snap-type:x mandatory;padding:4px 2px 14px;justify-content:safe center}
.fb-page{flex:0 0 auto;height:min(60vh,580px);aspect-ratio:1/2.1;scroll-snap-align:center;border-radius:4px;overflow:hidden;box-shadow:0 6px 18px rgba(0,0,0,.18)}
.fb-page.wide{aspect-ratio:var(--ar,3/2.1)}
.fb-page img{object-fit:contain;background:#fff}
.fb-nav{display:flex;justify-content:center;gap:10px;margin-top:6px}
.fb-nav button{width:40px;height:40px;border-radius:50%;border:1px solid var(--line);background:var(--bg);font-size:1.3rem;cursor:pointer}