:root{
  --nacht:#08191F; --nacht-2:#0D242C; --nacht-3:#123039;
  --hell:#EFEDE8; --hell-2:#E2DFD8;
  --gold:#C9A063; --gold-dunkel:#8A6A32; --blau:#1F4E79; --blau-hell:#2E6DA4;
  --text-hell:#DDE3E4; --text-dunkel:#12242A; --text-weich:#5D6B70;
  --breit:1240px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:120px}
body{font-family:"Segoe UI",system-ui,-apple-system,Helvetica,Arial,sans-serif;
  background:var(--nacht);color:var(--text-hell);line-height:1.68;font-size:17px;
  -webkit-font-smoothing:antialiased;overflow-x:hidden}
.hg{max-width:var(--breit);margin:0 auto;padding:0 28px}
h1,h2,h3,h4{line-height:1.2;font-weight:600;letter-spacing:-.01em}
h1{font-size:clamp(1.8rem,3.6vw,2.7rem);text-transform:uppercase;font-weight:500}
h2{font-size:clamp(1.45rem,2.8vw,2.05rem);margin-bottom:.6em}
h3{font-size:1.2rem;margin-bottom:.5em}
p{margin-bottom:1em}
a{text-decoration:none;color:inherit}
img,video{display:block;max-width:100%}
ul{list-style:none}
strong{color:#fff;font-weight:600}
.licht strong{color:var(--text-dunkel)}
.sprung{position:absolute;left:-9999px;background:var(--gold);color:#1A1206;padding:12px 20px;z-index:200}
.sprung:focus{left:12px;top:12px}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px}

/* Topbar */
.topbar{font-size:.86rem;color:#9FB0B5;background:var(--nacht)}
.topbar .hg{display:flex;gap:32px;flex-wrap:wrap;align-items:center;padding-top:14px}
.topbar .rechts{margin-left:auto}
.topbar span{display:flex;gap:9px;align-items:center}
.ic{width:15px;height:15px;fill:none;stroke:var(--gold);stroke-width:1.8;flex:0 0 15px}

/* Kopf – bleibt beim Scrollen oben */
.kopf{position:sticky;top:0;z-index:100;background:rgba(8,25,31,.94);
  backdrop-filter:blur(10px);transition:padding .22s,box-shadow .22s}
.kopf .hg{display:flex;align-items:center;gap:36px;padding-top:14px;padding-bottom:20px}
.kopf.klein .hg{padding-top:8px;padding-bottom:10px}
.kopf.klein{box-shadow:0 8px 30px rgba(0,0,0,.4)}
.logo{width:190px;flex:0 0 auto;transition:width .22s}
.kopf.klein .logo{width:150px}
.logo img{width:100%;height:auto}
nav.haupt > ul{display:flex;gap:8px;align-items:center}
nav.haupt a,nav.haupt button{font-size:1rem;color:#E7ECEC;padding:10px 12px;
  background:none;border:0;font-family:inherit;cursor:pointer;display:flex;align-items:center;gap:7px}
nav.haupt a:hover,nav.haupt button:hover,nav.haupt a.aktiv{color:var(--gold)}
.pf{width:14px;height:14px;fill:none;stroke:currentColor;stroke-width:2.2;transition:transform .2s}
.hat-mega.auf .pf{transform:rotate(180deg)}
.shop{margin-left:auto;background:var(--blau);color:#fff;padding:15px 28px;
  font-size:.96rem;white-space:nowrap;transition:background .2s}
.shop:hover{background:var(--blau-hell)}

/* Megamenü */
.hat-mega{position:relative}
.mega{position:fixed;left:0;right:0;top:auto;margin-top:20px;background:var(--nacht-2);
  border-top:1px solid rgba(201,160,99,.35);box-shadow:0 26px 50px rgba(0,0,0,.45);
  opacity:0;visibility:hidden;transform:translateY(-8px);transition:.22s;z-index:99}
.hat-mega.auf .mega{opacity:1;visibility:visible;transform:translateY(0)}
.hat-mega::after{content:"";position:absolute;left:0;right:0;top:100%;height:22px;
  display:none}
.hat-mega.auf::after{display:block}
/* Ohne JavaScript oeffnet der Hover trotzdem */
@media (hover:hover) and (pointer:fine){
  .hat-mega:hover .mega{opacity:1;visibility:visible;transform:translateY(0)}
  .hat-mega:hover::after{display:block}
}
.mega-raster{display:grid;grid-template-columns:repeat(3,1fr);gap:34px;padding:36px 0 40px}
.mega h4{font-size:.74rem;letter-spacing:.2em;text-transform:uppercase;color:var(--gold);
  margin-bottom:16px}
.mega li{margin-bottom:4px}
.mega li a{display:block;padding:9px 12px;border-radius:3px}
.mega li a:hover{background:rgba(255,255,255,.06)}
.mega b{display:block;color:#fff;font-weight:600;font-size:.98rem}
.mega span{display:block;color:#8FA1A6;font-size:.85rem;line-height:1.45}
.burger{display:none;margin-left:14px;background:none;border:0;cursor:pointer;
  padding:10px;position:relative;z-index:120;min-width:46px;min-height:46px}
.burger span{transition:transform .25s,opacity .2s}
body.menue-auf .burger span:nth-child(1){transform:translateY(7px) rotate(45deg)}
body.menue-auf .burger span:nth-child(2){opacity:0}
body.menue-auf .burger span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.burger span{display:block;width:26px;height:2px;background:#fff;margin:5px 0}

/* Wellen */
.welle{display:block;width:100%;line-height:0;background:transparent}
.welle svg{display:block;width:100%;height:clamp(46px,5.5vw,86px)}
.welle-oben,.welle-unten{position:absolute;left:0;width:100%;z-index:3;line-height:0;pointer-events:none}
.welle-oben{top:-1px}
.welle-unten{bottom:-1px}
.welle-oben svg,.welle-unten svg{display:block;width:100%;height:clamp(50px,7vw,110px)}

/* Hero */
.hero{position:relative;background:var(--hell);overflow:hidden}
.hero video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0;
  opacity:0;transition:opacity 1.6s ease-in-out}
.hero video.an{opacity:1}
.hero::after{content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(100deg,rgba(239,237,232,.97),rgba(239,237,232,.88) 34%,
  rgba(239,237,232,.35) 62%,rgba(239,237,232,.08))}
.hero .hg{position:relative;z-index:2;padding-top:clamp(120px,15vw,190px);
  padding-bottom:clamp(140px,17vw,210px)}
.hero .text{max-width:660px;color:var(--text-dunkel)}
.hero h1{color:#14262C}
.hero p{color:#39494F;font-size:1.06rem;max-width:540px;margin-top:22px}

/* Seitenkopf der Unterseiten */
.seitenkopf{position:relative;background:var(--nacht-2);overflow:hidden}
.seitenkopf img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  z-index:0;opacity:.35}
.seitenkopf .hg{position:relative;z-index:2;padding-top:clamp(56px,7vw,86px);
  padding-bottom:clamp(96px,11vw,140px);max-width:900px;margin-left:auto;margin-right:auto}
.seitenkopf h1{color:#fff;margin-bottom:20px}
.seitenkopf p{color:#BCC8CB;font-size:1.05rem;max-width:660px}
.krume{font-size:.84rem;color:#8FA1A6;margin-bottom:20px}
.krume a:hover{color:var(--gold)}
.krume span{padding:0 7px;color:#5E7076}

/* Knöpfe */
.pille{display:inline-block;margin-top:26px;background:var(--nacht);color:#fff;
  padding:16px 34px;border-radius:60px;font-size:1rem;border:1px solid var(--nacht);transition:.2s}
.pille:hover{background:transparent;color:var(--nacht)}
.licht .pille:hover,.hero .pille:hover{color:var(--nacht)}
.pille.rand{background:transparent;color:var(--nacht);margin-left:10px}
.pille.rand:hover{background:var(--nacht);color:#fff}
section:not(.licht):not(.hero) .pille{background:var(--gold);border-color:var(--gold);color:#1A1206}
section:not(.licht):not(.hero) .pille:hover{background:transparent;color:var(--gold)}

/* Abschnitte */
section{padding:80px 0}
.schmal{max-width:800px}
.mitte{text-align:center;max-width:780px;margin:0 auto 48px}
.auge{font-size:.74rem;letter-spacing:.24em;text-transform:uppercase;color:var(--gold);margin-bottom:14px}
.mitte p{color:#A8B7BB}
.licht{background:var(--hell);color:var(--text-dunkel)}
.licht .auge{color:var(--blau)}
.licht p,.licht .mitte p{color:var(--text-weich)}
.licht h2,.licht h3,.licht h4{color:var(--text-dunkel)}
.zwei{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.zwei img{width:100%;aspect-ratio:4/3;object-fit:cover}

/* Karten */
.karten{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.karte{background:var(--hell);color:var(--text-dunkel);padding:32px 30px 28px;
  display:flex;flex-direction:column;transition:transform .22s,box-shadow .22s}
.karte:hover{transform:translateY(-5px);box-shadow:0 22px 48px rgba(0,0,0,.35)}
.karte h3{font-size:1.3rem;margin-bottom:16px}
.karte li{display:flex;gap:12px;align-items:flex-start;margin-bottom:10px;
  color:var(--text-weich);font-size:.96rem}
.karte li svg{flex:0 0 19px;margin-top:4px;stroke:var(--blau);fill:none;stroke-width:2}
.karte .fuss{margin-top:auto;padding-top:22px}
.karte .fuss a{color:var(--blau);font-weight:600;font-size:.95rem}
.karte .fuss a:hover{color:var(--gold-dunkel)}

/* Fakten */
.technik{display:grid;grid-template-columns:repeat(3,1fr);border:1px solid rgba(255,255,255,.14)}
.technik div{padding:28px 30px;border-right:1px solid rgba(255,255,255,.14)}
.technik div:last-child{border-right:0}
.technik b{display:block;font-size:1.8rem;font-weight:500;color:#fff}
.technik span{font-size:.92rem;color:#A8B7BB}
.licht .technik{border-color:rgba(0,0,0,.12)}
.licht .technik div{border-color:rgba(0,0,0,.12)}
.licht .technik b{color:var(--text-dunkel)}
.licht .technik span{color:var(--text-weich)}

/* Tabelle */
.tabelle{overflow-x:auto}
table{width:100%;border-collapse:collapse;font-size:.96rem}
th,td{text-align:left;padding:14px 16px;border-bottom:1px solid rgba(255,255,255,.12)}
th{font-size:.78rem;letter-spacing:.12em;text-transform:uppercase;color:var(--gold);font-weight:600}
.licht th{color:var(--blau)}
.licht th,.licht td{border-color:rgba(0,0,0,.1)}

/* FAQ */
.faq{max-width:840px;margin:0 auto}
details{border-bottom:1px solid rgba(255,255,255,.13)}
.licht details{border-color:rgba(0,0,0,.1)}
summary{cursor:pointer;padding:20px 40px 20px 0;font-weight:600;color:#fff;position:relative;
  list-style:none}
.licht summary{color:var(--text-dunkel)}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";position:absolute;right:8px;top:16px;font-size:1.5rem;
  color:var(--gold);font-weight:400}
details[open] summary::after{content:"–"}
details > div{padding:0 0 22px;color:#A8B7BB}
.licht details > div{color:var(--text-weich)}

/* Schritte */
.schritte{counter-reset:s;max-width:860px;margin:0 auto;list-style:none}
.schritte li{counter-increment:s;position:relative;padding:0 0 26px 62px;
  border-left:1px solid rgba(201,160,99,.4);margin-left:18px}
.schritte li::before{content:counter(s);position:absolute;left:-19px;top:0;width:38px;height:38px;
  border-radius:50%;background:var(--gold);color:#1A1206;display:flex;align-items:center;
  justify-content:center;font-weight:700}
.schritte b{display:block;color:#fff;margin-bottom:5px}
.schritte span{color:#A8B7BB}
.licht .schritte b{color:var(--text-dunkel)}
.licht .schritte span{color:var(--text-weich)}

/* Lexikon */
.lexnav{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:36px}
.lexnav a{padding:8px 14px;border:1px solid rgba(255,255,255,.2);font-size:.9rem}
.lexnav a:hover{border-color:var(--gold);color:var(--gold)}
.lexikon dt{font-weight:600;color:var(--gold);margin-top:24px;font-size:1.05rem;scroll-margin-top:130px}
.lexikon dd{color:#A8B7BB;margin-top:5px}

/* Referenzen */
.refs{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.refs div{border-left:2px solid var(--gold);padding:6px 0 6px 18px}
.refs b{display:block;color:#fff;font-size:1rem}
.refs span{font-size:.86rem;color:#93A3A8}
.licht .refs b{color:var(--text-dunkel)}
.licht .refs span{color:var(--text-weich)}

/* Texturband */
.textur{height:clamp(150px,20vw,240px);background-image:var(--textur);background-size:cover;
  background-position:center;background-attachment:fixed;position:relative}
.textur::after{content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(8,25,31,.5),rgba(8,25,31,.12) 40%,rgba(8,25,31,.5))}

/* Formular */
.form{max-width:840px;margin:0 auto;background:var(--hell);color:var(--text-dunkel);padding:40px}
.form h2{margin-bottom:8px}
.feldreihe{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.feld{margin-top:20px;display:flex;flex-direction:column}
.feld label{font-size:.88rem;font-weight:600;margin-bottom:7px}
.feld input,.feld select,.feld textarea{padding:13px 14px;border:1px solid #C9C5BC;
  background:#fff;font-family:inherit;font-size:1rem;color:var(--text-dunkel);border-radius:2px}
.feld textarea{min-height:150px;resize:vertical}
.feld input:focus,.feld select:focus,.feld textarea:focus{outline:2px solid var(--blau);
  outline-offset:0;border-color:var(--blau)}
.feld .hilfe{font-size:.82rem;color:var(--text-weich);margin-top:6px}
.pflicht{color:#B0392A}
.zustimmung{display:flex;gap:12px;align-items:flex-start;margin-top:26px;font-size:.9rem;
  color:var(--text-weich)}
.zustimmung input{margin-top:4px;width:18px;height:18px;flex:0 0 18px}
.falle{position:absolute;left:-9999px}
.absenden{margin-top:28px;background:var(--blau);color:#fff;border:0;padding:17px 40px;
  font-size:1rem;font-family:inherit;cursor:pointer;border-radius:60px}
.absenden:hover{background:var(--blau-hell)}
.kontaktkarten{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-bottom:44px}
.kontaktkarten div{border-left:2px solid var(--gold);padding-left:18px}
.kontaktkarten b{display:block;color:#fff}
.kontaktkarten span{color:#A8B7BB;font-size:.94rem}

/* Band */
.band{background:var(--gold);color:#1A1206}
.band .hg{display:flex;align-items:center;justify-content:space-between;gap:34px;
  flex-wrap:wrap;padding-top:52px;padding-bottom:52px}
.band h2{margin:0;color:#1A1206;font-size:1.7rem}
.band p{margin:8px 0 0;color:#3A2C10;font-weight:500}
.band .pille{background:var(--nacht);border-color:var(--nacht);color:#fff;margin:0}
.band .pille:hover{background:#fff;color:var(--nacht);border-color:#fff}

/* Fuß */
footer{background:#061419;padding:68px 0 26px;font-size:.95rem;color:#8FA1A6}
footer .spalten{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:42px}
footer h3{color:#fff;font-size:.76rem;letter-spacing:.2em;text-transform:uppercase;margin-bottom:18px}
footer li{margin-bottom:2px}
footer li a{display:inline-block;padding:9px 0;min-height:24px}
footer a:hover{color:var(--gold)}
footer .logo{width:170px;margin-bottom:20px}
.fussnote{border-top:1px solid rgba(255,255,255,.1);margin-top:44px;padding-top:22px;
  display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;font-size:.86rem;color:#6F8188}
.hinweis{font-size:.78rem;color:#5E7076;margin-top:10px}
.fussnote .urheber{width:100%;color:#5E7076;font-size:.82rem}
.fussnote .urheber a{color:#7E9096}
.fussnote .urheber a:hover{color:var(--gold)}

@media(max-width:1120px){
  nav.haupt{position:fixed;inset:0 0 0 auto;width:min(380px,88vw);background:var(--nacht-2);
    padding:100px 24px 40px;transform:translateX(100%);transition:transform .28s;
    overflow-y:auto;z-index:98}
  body.menue-auf{overflow:hidden}
  body.menue-auf nav.haupt{transform:translateX(0)}
  body.menue-auf::after{content:"";position:fixed;inset:0;background:rgba(4,12,15,.6);
    z-index:97}
  nav.haupt > ul{flex-direction:column;align-items:stretch;gap:0}
  nav.haupt a,nav.haupt button{width:100%;justify-content:space-between;padding:16px 4px;
    border-bottom:1px solid rgba(255,255,255,.1)}
  .burger{display:block;order:3}
  .shop{margin-left:auto;order:2}
  .mega{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;
    background:transparent;border:0;display:none;margin:0}
  .hat-mega.auf .mega{display:block}
  .mega .hg{padding:0}
  .mega-raster{grid-template-columns:1fr;gap:18px;padding:12px 0 18px}
  .karten,.technik,.refs,.kontaktkarten{grid-template-columns:1fr 1fr}
  .technik div{border-bottom:1px solid rgba(255,255,255,.14)}
  .zwei{grid-template-columns:1fr;gap:32px}
  footer .spalten{grid-template-columns:1fr 1fr}
  .textur{background-attachment:scroll}
}
@media(max-width:660px){
  .karten,.technik,.refs,.kontaktkarten,.feldreihe,footer .spalten{grid-template-columns:1fr}
  .pille{display:block;text-align:center;margin-left:0}
  .pille.rand{margin-left:0;margin-top:12px}
  .band .pille{display:inline-block}
  .welle-oben svg,.welle-unten svg{height:42px}
  .lexikon dt{scroll-margin-top:110px}
  .krume{font-size:.8rem}
  section{padding:56px 0}
  .form{padding:26px 20px}
  .hero .hg{padding-top:96px;padding-bottom:112px}
  .topbar .hg{gap:14px;font-size:.8rem}
  .topbar .rechts{display:none}
  .shop{padding:12px 18px;font-size:.9rem}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
}

/* Estrich-Rechner */
.rechner{display:grid;grid-template-columns:1fr 1fr;gap:34px;align-items:start;
  background:var(--hell);color:var(--text-dunkel);padding:36px}
.rechner-eingabe .feld{margin-top:16px}
.rechner-ausgabe{background:var(--nacht);color:var(--text-hell);padding:28px 30px;
  align-self:stretch;overflow-x:auto}
.rechner-ausgabe table{min-width:280px}
.r-block{margin-bottom:26px}
.r-block h3{color:var(--gold);font-size:.76rem;letter-spacing:.2em;text-transform:uppercase;
  margin-bottom:12px}
.rechner-ausgabe table{width:100%}
.rechner-ausgabe td{padding:9px 0;border-bottom:1px solid rgba(255,255,255,.1);
  font-size:.95rem;color:#A8B7BB}
.rechner-ausgabe td:last-child{text-align:right;white-space:nowrap}
.rechner-ausgabe b{color:#fff;font-weight:600}
.r-fuss{font-size:.85rem;color:#8FA1A6;margin:0}
.r-fuss a{color:var(--gold)}
.r-fuss b{color:#fff}
@media(max-width:900px){.rechner{grid-template-columns:1fr;padding:24px 20px}}