/* Holzbau Weber, Entwurf. Tokens: eine Akzentfarbe (Fichte), dunkles Thema.
   Radien: Buttons Pille, Flächen 20px, Eingaben 12px. */
@font-face{font-family:"Inter";src:url(fonts/inter-latin.woff2) format("woff2");font-weight:300 800;font-display:swap}
:root{
  --bg:#0b0c0b;--bg-2:#121412;--bg-3:#181b18;--tanne:#15201a;
  --text:#ece7dd;--muted:#a7a196;--faint:#6f6b64;
  --line:rgba(236,231,221,.11);--line-2:rgba(236,231,221,.2);
  --accent:#e6c08a;--accent-hi:#f1d2a3;--on-accent:#17130c;
  --r-lg:20px;--r-sm:12px;
  --ease-out:cubic-bezier(.23,1,.32,1);--ease-io:cubic-bezier(.77,0,.175,1);
  --pad:clamp(20px,4vw,56px);--max:1320px;
}
*,*::before,*::after{box-sizing:border-box}
[hidden]{display:none!important}
html{-webkit-text-size-adjust:100%;scroll-padding-top:84px}
body{margin:0;background:var(--bg);color:var(--text);font-family:"Inter",system-ui,-apple-system,sans-serif;font-size:17px;line-height:1.6;font-feature-settings:"ss01","cv11";-webkit-font-smoothing:antialiased;overflow-x:hidden}
img,video,canvas,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit}
::selection{background:var(--accent);color:var(--on-accent)}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px}
.wrap{max-width:var(--max);margin-inline:auto;padding-inline:var(--pad)}
.sr{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
h1,h2,h3{font-weight:650;letter-spacing:-.035em;line-height:1.04;margin:0}
h2{font-size:clamp(2.1rem,4.6vw,3.9rem);max-width:16ch}
h3{font-size:1.3rem;letter-spacing:-.02em;line-height:1.2}
p{margin:0}
.lead{font-size:clamp(1.05rem,1.4vw,1.22rem);color:var(--muted);max-width:56ch}
.ki{font-size:11px;letter-spacing:.02em;color:rgba(236,231,221,.62)}
section{position:relative}
.sec{padding-block:clamp(96px,13vw,180px)}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:10px;height:52px;padding:0 24px;border-radius:999px;font-weight:600;font-size:15.5px;white-space:nowrap;border:1px solid transparent;cursor:pointer;transition:transform 160ms var(--ease-out),background-color 200ms ease,border-color 200ms ease}
.btn:active{transform:scale(.97)}
.btn-a{background:var(--accent);color:var(--on-accent)}
.btn-g{border-color:var(--line-2);background:rgba(11,12,11,.35);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}
@media (hover:hover) and (pointer:fine){.btn-a:hover{background:var(--accent-hi)}.btn-g:hover{border-color:var(--accent)}}
.btn svg{width:18px;height:18px}

/* Nav */
.nav{position:fixed;inset:0 0 auto;z-index:50;transition:background-color 300ms ease,border-color 300ms ease;border-bottom:1px solid transparent}
.nav.solid{background:rgba(11,12,11,.82);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-color:var(--line)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:72px;gap:24px}
.brand{display:flex;align-items:center;gap:12px;font-weight:650;letter-spacing:-.02em;font-size:17px}
.brand svg{width:36px;height:36px}
.brand small{display:block;font-weight:450;font-size:12px;color:var(--muted);letter-spacing:0;margin-top:2px}
.nav ul{display:flex;gap:30px;list-style:none;margin:0;padding:0;font-size:14.5px;color:var(--muted)}
.nav ul a{transition:color 200ms ease}
.nav ul a:hover{color:var(--text)}
.nav .btn{height:44px;padding:0 20px;font-size:14.5px}
@media (max-width:980px){.nav ul{display:none}}
@media (max-width:560px){.nav .btn{display:none}}

/* Hero */
.hero{min-height:100dvh;display:flex;align-items:flex-end;overflow:hidden;isolation:isolate}
.hero .layer{position:absolute;inset:0;will-change:transform}
.hero-media{inset:-8% 0 -8% 0!important;z-index:-3}
.hero-media video,.hero-media img{width:100%;height:100%;object-fit:cover}
.hero-shade{z-index:-2;background:linear-gradient(180deg,rgba(11,12,11,.55) 0%,rgba(11,12,11,.12) 30%,rgba(11,12,11,.35) 62%,var(--bg) 100%),linear-gradient(90deg,rgba(11,12,11,.72) 0%,rgba(11,12,11,0) 62%)}
.hero-lines{z-index:-1;display:flex;justify-content:flex-end;align-items:center;padding-right:4vw;pointer-events:none}
.hero-lines svg{width:min(46vw,640px);height:auto;opacity:.75}
.hero-lines path,.hero-lines line{fill:none;stroke:var(--accent);stroke-width:1;vector-effect:non-scaling-stroke}
.hero-lines .dim{stroke:rgba(236,231,221,.38)}
.hero-lines text{fill:rgba(236,231,221,.55);font-size:10px;letter-spacing:.08em;font-family:Inter,sans-serif}
.hero-copy{position:relative;padding-bottom:clamp(56px,9vh,104px);padding-top:120px;width:100%}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:13px;font-weight:550;letter-spacing:.14em;text-transform:uppercase;color:var(--accent)}
.eyebrow::before{content:"";width:28px;height:1px;background:currentColor}
.hero h1{font-size:clamp(3rem,7.4vw,6.6rem);letter-spacing:-.05em;line-height:.98;margin:22px 0 22px;max-width:11ch}
.hero .lead{color:rgba(236,231,221,.82);max-width:44ch}
.hero .ctas{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px}
.hero .ki{position:absolute;right:var(--pad);bottom:22px}
.reveal-h>*{opacity:0;transform:translateY(18px);animation:rise 900ms var(--ease-out) forwards}
.reveal-h>*:nth-child(2){animation-delay:90ms}.reveal-h>*:nth-child(3){animation-delay:170ms}.reveal-h>*:nth-child(4){animation-delay:250ms}
@keyframes rise{to{opacity:1;transform:none}}
.draw{stroke-dasharray:var(--len,1200);stroke-dashoffset:var(--len,1200);animation:draw 2.6s var(--ease-io) .3s forwards}
@keyframes draw{to{stroke-dashoffset:0}}

/* Proof strip */
.proof{border-block:1px solid var(--line);background:var(--bg-2)}
.proof .wrap{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:32px;min-height:96px;padding-block:20px}
.stars{display:flex;gap:3px;color:var(--accent)}
.stars svg{width:18px;height:18px}
.proof strong{font-size:1.6rem;letter-spacing:-.03em;font-weight:650}
.proof .r{display:flex;align-items:center;gap:16px}
.proof p{color:var(--muted);font-size:15px}
.proof a.link{font-size:14.5px;color:var(--text);border-bottom:1px solid var(--line-2);padding-bottom:2px}
@media (max-width:820px){.proof .wrap{grid-template-columns:1fr;gap:10px}}

/* About */
.about .grid{display:grid;grid-template-columns:1.05fr 1fr;gap:clamp(40px,7vw,110px);align-items:center}
.about .txt>*+*{margin-top:24px}
.about .facts{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line);border-radius:var(--r-lg);overflow:hidden;margin-top:40px}
.about .facts div{background:var(--bg);padding:20px 22px}
.about .facts b{display:block;font-weight:600;font-size:15px}
.about .facts span{color:var(--muted);font-size:14.5px}
.pframe{position:relative;border-radius:var(--r-lg);overflow:hidden;aspect-ratio:4/5;background:var(--bg-3)}
.pframe img{position:absolute;inset:-12% 0;width:100%;height:124%;object-fit:cover;will-change:transform}
.pframe .ki{position:absolute;left:14px;bottom:12px}
@media (max-width:900px){.about .grid{grid-template-columns:1fr}.pframe{aspect-ratio:4/3}}

/* Leistungen bento */
.services header{display:grid;gap:22px;margin-bottom:56px}
.bento{display:grid;grid-template-columns:repeat(6,1fr);grid-auto-rows:minmax(200px,auto);gap:14px}
.tile{position:relative;border-radius:var(--r-lg);overflow:hidden;background:var(--bg-3);min-height:340px;display:flex;align-items:flex-end;isolation:isolate}
.tile img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2;transition:transform 900ms var(--ease-out)}
.tile::after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(180deg,rgba(11,12,11,0) 35%,rgba(11,12,11,.9) 100%)}
.tile .in{padding:26px 26px 24px;max-width:46ch}
.tile p{color:rgba(236,231,221,.78);font-size:15.5px;margin-top:8px}
.tile .ki{position:absolute;top:14px;right:16px}
@media (hover:hover) and (pointer:fine){.tile:hover img{transform:scale(1.04)}}
.t1{grid-column:span 4;grid-row:span 2;min-height:560px}
.t2{grid-column:span 2;grid-row:span 2}
.t3{grid-column:span 2}
.t4{grid-column:span 2}
.t5{grid-column:span 2;background:var(--tanne)}
.t5::after{display:none}
.t5 .in{align-self:stretch;display:flex;flex-direction:column;justify-content:space-between;gap:30px}
.t5 ul{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:8px}
.t5 li{border:1px solid var(--line-2);border-radius:999px;padding:6px 12px;font-size:13.5px;color:var(--muted)}
@media (max-width:980px){.bento{grid-template-columns:repeat(2,1fr)}.t1{grid-column:span 2;grid-row:auto;min-height:440px}.t2,.t3,.t4,.t5{grid-column:span 1;grid-row:auto}}
@media (max-width:640px){.bento{grid-template-columns:1fr}.t1,.t2,.t3,.t4,.t5{grid-column:auto;min-height:380px}.t5{min-height:auto}}

/* Verwandlung */
.morph{height:320vh}
.morph .stick{position:sticky;top:0;height:100dvh;overflow:hidden;display:grid;align-items:end}
.morph canvas,.morph video,.morph .poster{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.morph .poster{transition:opacity 400ms ease}
.morph .shade{position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,12,11,.9) 0%,rgba(11,12,11,.55) 26%,rgba(11,12,11,0) 42%,rgba(11,12,11,0) 55%,rgba(11,12,11,.92))}
.morph .copy{position:relative;padding-bottom:clamp(40px,8vh,90px);display:grid;grid-template-columns:1fr auto;align-items:end;gap:40px}
.morph .head{position:absolute;top:clamp(90px,14vh,140px);left:0;right:0}
.morph .head h2{max-width:18ch}
.steps{list-style:none;margin:0;padding:0;display:flex;gap:8px;flex-wrap:wrap}
.steps li{padding:10px 16px;border-radius:999px;border:1px solid var(--line-2);font-size:14px;color:var(--muted);background:rgba(11,12,11,.45);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);transition:color 250ms ease,border-color 250ms ease,background-color 250ms ease}
.steps li.on{color:var(--on-accent);background:var(--accent);border-color:var(--accent)}
.morph blockquote{margin:0;max-width:40ch;font-size:15px;color:rgba(236,231,221,.82)}
.morph blockquote cite{display:block;font-style:normal;color:var(--muted);font-size:13.5px;margin-top:6px}
.bar{position:absolute;left:0;bottom:0;height:2px;width:100%;background:var(--accent);transform-origin:0 50%;transform:scaleX(0)}
@media (max-width:820px){.morph .copy{grid-template-columns:1fr}.morph{height:260vh}}

/* 3D Dachstuhl */
.truss .grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(30px,5vw,80px);align-items:center}
.stage{position:relative;aspect-ratio:1/1;border-radius:var(--r-lg);background:radial-gradient(120% 90% at 50% 20%,#1b211c 0%,#0e100e 70%);border:1px solid var(--line);overflow:hidden;touch-action:pan-y}
.stage canvas{width:100%!important;height:100%!important;cursor:grab}
.stage .hint{position:absolute;left:18px;bottom:16px;font-size:13px;color:var(--muted)}
.parts{list-style:none;padding:0;margin:36px 0 0;display:grid;gap:2px}
.parts li{display:grid;grid-template-columns:22px 1fr;gap:14px;padding:16px 0;border-top:1px solid var(--line);opacity:.4;transition:opacity 300ms ease}
.parts li.on{opacity:1}
.parts i{width:12px;height:12px;border-radius:3px;margin-top:6px;background:var(--c)}
.parts b{font-weight:600}
.parts span{display:block;color:var(--muted);font-size:15px}
@media (max-width:900px){.truss .grid{grid-template-columns:1fr}.stage{aspect-ratio:4/3}}

/* Rechner */
.calc{background:var(--bg-2);border-block:1px solid var(--line)}
.calc .grid{display:grid;grid-template-columns:1fr 1.15fr;gap:clamp(30px,5vw,80px)}
.fields{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:36px}
.field{display:grid;gap:8px;align-content:start}
.field label{font-size:14px;font-weight:550}
.field .row{display:flex;align-items:center;gap:12px}
input[type=range]{flex:1;accent-color:var(--accent);height:28px}
.field output{min-width:62px;text-align:right;font-variant-numeric:tabular-nums;font-weight:600}
.field small{color:var(--muted);font-size:13px}
.fields .full{grid-column:1/-1}
.result{border-radius:var(--r-lg);border:1px solid var(--line);background:var(--bg);padding:clamp(22px,3vw,36px);display:grid;gap:24px;align-content:start}
.result .big{font-size:clamp(3rem,6vw,5rem);font-weight:650;letter-spacing:-.05em;line-height:1;font-variant-numeric:tabular-nums}
.result .big small{font-size:.4em;letter-spacing:-.01em;color:var(--muted);margin-left:6px}
.legend{display:flex;flex-wrap:wrap;gap:18px;font-size:13.5px;color:var(--muted)}
.legend span{display:inline-flex;align-items:center;gap:8px}
.legend i{width:12px;height:12px;border-radius:3px;background:var(--c)}
.result #cSvg{width:100%;height:auto}
.result .note{font-size:13.5px;color:var(--faint)}
@media (max-width:900px){.calc .grid{grid-template-columns:1fr}.fields{grid-template-columns:1fr}}

/* Sturm-Check */
.wx{display:grid;grid-template-columns:repeat(7,1fr);gap:8px;margin-top:40px}
.day{border:1px solid var(--line);border-radius:var(--r-sm);padding:16px 12px;display:grid;gap:6px;text-align:center;background:var(--bg-2);min-height:150px;align-content:start}
.day b{font-size:13.5px;font-weight:600}
.day .g{font-size:1.5rem;font-weight:650;letter-spacing:-.03em;font-variant-numeric:tabular-nums}
.day .g small{font-size:.5em;color:var(--muted);font-weight:500}
.day span{font-size:12.5px;color:var(--muted)}
.day.warn{border-color:var(--accent);background:linear-gradient(180deg,rgba(230,192,138,.14),var(--bg-2))}
.day.warn .g{color:var(--accent)}
.day.sk{background:linear-gradient(90deg,var(--bg-2),var(--bg-3),var(--bg-2));background-size:200% 100%;animation:sk 1.4s linear infinite}
@keyframes sk{to{background-position:-200% 0}}
.wxbox{display:grid;grid-template-columns:1fr auto;gap:30px;align-items:end}
.verdict{margin-top:28px;padding:20px 22px;border-radius:var(--r-sm);border:1px solid var(--line);display:flex;gap:16px;align-items:center;justify-content:space-between;flex-wrap:wrap}
.verdict p{max-width:60ch}
@media (max-width:820px){.wx{grid-template-columns:repeat(7,minmax(92px,1fr));overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:6px}.day{scroll-snap-align:start}.wxbox{grid-template-columns:1fr}}

/* Bewertungen */
.reviews .grid{display:grid;grid-template-columns:1.3fr 1fr;gap:14px}
.rv{border-radius:var(--r-lg);border:1px solid var(--line);padding:clamp(24px,3vw,40px);display:flex;flex-direction:column;justify-content:space-between;gap:28px;background:var(--bg-2)}
.rv q{quotes:"„" "“";font-size:1.12rem;line-height:1.55}
.rv.main{grid-row:span 2;background:var(--tanne)}
.rv.main q{font-size:clamp(1.4rem,2.4vw,2rem);letter-spacing:-.02em;line-height:1.3;font-weight:500}
.rv footer{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:14px;color:var(--muted)}
.rv footer b{color:var(--text);font-weight:600;display:block}
@media (max-width:900px){.reviews .grid{grid-template-columns:1fr}.rv.main{grid-row:auto}}
.reviews .top{display:flex;justify-content:space-between;align-items:end;gap:24px;flex-wrap:wrap;margin-bottom:48px}

/* Anfrage */
.wizard{display:grid;grid-template-columns:.8fr 1.2fr;gap:clamp(30px,5vw,80px)}
.panel{border-radius:var(--r-lg);border:1px solid var(--line);background:var(--bg-2);padding:clamp(22px,3vw,40px)}
.prog{display:flex;gap:6px;margin-bottom:28px}
.prog i{flex:1;height:3px;border-radius:2px;background:var(--line-2);transform-origin:0 50%}
.prog i.on{background:var(--accent)}
.step{display:none}
.step.on{display:block;animation:fadein 280ms var(--ease-out)}
@keyframes fadein{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.step h3{margin-bottom:20px}
.opts{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
.opt{position:relative}
.opt input{position:absolute;opacity:0;pointer-events:none}
.opt label{display:flex;flex-direction:column;gap:2px;padding:16px 18px;border-radius:var(--r-sm);border:1px solid var(--line-2);cursor:pointer;transition:border-color 200ms ease,background-color 200ms ease,transform 160ms var(--ease-out);min-height:64px;justify-content:center}
.opt label:active{transform:scale(.98)}
.opt span{font-size:13.5px;color:var(--muted)}
.opt input:checked+label{border-color:var(--accent);background:rgba(230,192,138,.08)}
.opt input:focus-visible+label{outline:2px solid var(--accent);outline-offset:2px}
@media (max-width:560px){.opts{grid-template-columns:1fr}}
.inp{display:grid;gap:8px;margin-bottom:16px}
.inp label{font-size:14px;font-weight:550}
.inp input,.inp textarea,.inp select{width:100%;background:var(--bg);border:1px solid var(--line-2);border-radius:var(--r-sm);padding:14px 16px;color:var(--text);font:inherit;font-size:16px}
.inp input::placeholder,.inp textarea::placeholder{color:#8a857c}
.inp input:focus,.inp textarea:focus{outline:none;border-color:var(--accent)}
.inp .err{color:#f0a48c;font-size:13.5px;display:none}
.inp.bad .err{display:block}.inp.bad input{border-color:#f0a48c}
.two{display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media (max-width:560px){.two{grid-template-columns:1fr}}
.nav-row{display:flex;justify-content:space-between;gap:12px;margin-top:26px;flex-wrap:wrap}
.alert{display:none;margin-top:16px;padding:16px 18px;border-radius:var(--r-sm);border:1px solid var(--accent);background:rgba(230,192,138,.08);font-size:15px}
.alert.on{display:block}
.checklist{list-style:none;padding:0;margin:0 0 20px;display:grid;gap:10px}
.checklist li{display:grid;grid-template-columns:28px 1fr;gap:12px;align-items:start;font-size:15px}
.checklist li b{display:block}
.checklist li span{color:var(--muted);font-size:14px}
.checklist .n{width:28px;height:28px;border-radius:50%;border:1px solid var(--line-2);display:grid;place-items:center;font-size:13px;color:var(--accent)}
.summary{white-space:pre-wrap;font-family:inherit;margin:0;font-size:14px;background:var(--bg);border:1px solid var(--line);border-radius:var(--r-sm);padding:16px;color:var(--muted);max-height:260px;overflow:auto}
.aside-points{list-style:none;padding:0;margin:36px 0 0;display:grid;gap:22px}
.aside-points li{display:grid;grid-template-columns:40px 1fr;gap:14px}
.aside-points svg{width:24px;height:24px;color:var(--accent);margin-top:2px}
.aside-points span{color:var(--muted);display:block;font-size:15px}
@media (max-width:900px){.wizard{grid-template-columns:1fr}}

/* Kontakt */
.contact{overflow:hidden;isolation:isolate;padding-block:clamp(110px,16vw,220px)}
.contact .bg{position:absolute;inset:-15% 0;z-index:-2;will-change:transform}
.contact .bg img{width:100%;height:100%;object-fit:cover}
.contact::after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(180deg,var(--bg) 0%,rgba(11,12,11,.55) 30%,rgba(11,12,11,.6) 70%,var(--bg) 100%)}
.card{max-width:640px;border-radius:var(--r-lg);border:1px solid var(--line-2);background:rgba(11,12,11,.72);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);padding:clamp(24px,4vw,48px);will-change:transform}
.card h2{font-size:clamp(2rem,4vw,3.2rem)}
.rows{margin-top:32px;display:grid}
.rows a,.rows div{display:grid;grid-template-columns:120px 1fr auto;gap:16px;padding:16px 0;border-top:1px solid var(--line);align-items:center}
.rows dt,.rows .k{color:var(--muted);font-size:14px}
.rows .v{font-weight:550}
.rows svg{width:18px;height:18px;color:var(--accent)}
@media (hover:hover) and (pointer:fine){.rows a:hover .v{color:var(--accent)}}
@media (max-width:560px){.rows a,.rows div{grid-template-columns:1fr auto}.rows .k{grid-column:1/-1}}
.card .ctas{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.contact .ki{position:absolute;right:var(--pad);bottom:18px}

footer.site{border-top:1px solid var(--line);padding-block:40px 120px;color:var(--muted);font-size:14px}
footer.site .wrap{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap}
@media (min-width:821px){footer.site{padding-bottom:40px}}

/* Mobile-Leiste */
.mbar{position:fixed;left:12px;right:12px;bottom:12px;z-index:60;display:none;grid-template-columns:1fr 1fr;gap:8px;padding:8px;border-radius:999px;background:rgba(18,20,18,.88);border:1px solid var(--line-2);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);transform:translateY(140%);transition:transform 400ms var(--ease-out)}
.mbar.on{transform:none}
.mbar .btn{height:48px;justify-content:center;padding:0 12px}
@media (max-width:820px){.mbar{display:grid}}

/* Reveal */
.rv-in{opacity:0;transform:translateY(24px);transition:opacity 800ms var(--ease-out),transform 800ms var(--ease-out)}
.rv-in.vis{opacity:1;transform:none}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:1ms!important;animation-iteration-count:1!important;transition-duration:1ms!important;scroll-behavior:auto!important}
  .rv-in{opacity:1;transform:none}
  .reveal-h>*{opacity:1;transform:none}
  .draw{stroke-dashoffset:0}
  .morph{height:auto}.morph .stick{position:relative;height:auto;min-height:80vh}
}