:root{
  /* aus den Grafiken: Logo-Rot & -Schwarz, Beton, Ziegel, Holz */
  --green:#22c800; --green-hover:#1cab00; --green-text:#178a00; /* Grün aus dem KI-Banner; dunklere Stufe für gut lesbaren Text */
  --ink:#141414; --ink-2:#2a2a2a; --muted:#5c5c5a;
  --concrete:#969591; --concrete-l:#d9d9d7; --paper:#efefed; --white:#fff;
  --line:#d4d4d1;
  --max:1160px; --r:2px;
  --font:"Segoe UI",-apple-system,BlinkMacSystemFont,Roboto,"Helvetica Neue",Arial,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font);color:var(--ink);background:var(--paper);line-height:1.6;font-size:17px;-webkit-font-smoothing:antialiased}
a{color:inherit}
img{max-width:100%;height:auto;display:block}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
h1,h2,h3{line-height:1.08;font-weight:800;text-transform:uppercase;letter-spacing:.005em}
h2{font-size:clamp(28px,3.6vw,42px);margin-bottom:20px}
h3{font-size:20px}
.eyebrow{display:flex;align-items:center;gap:12px;font-size:13px;letter-spacing:.16em;text-transform:uppercase;color:var(--green-text);font-weight:700;margin-bottom:16px}
.eyebrow::before{content:"";width:28px;height:3px;background:var(--green)}
section{padding:100px 0}
.btn{display:inline-block;padding:15px 28px;border-radius:var(--r);font-weight:700;text-decoration:none;font-size:15px;letter-spacing:.06em;text-transform:uppercase;border:2px solid transparent;cursor:pointer;font-family:inherit;transition:.15s}
.btn-red{background:var(--green);color:var(--ink)}
.btn-red:hover{background:var(--green-hover)}
.btn-line{border-color:var(--concrete);color:var(--ink);background:#fff}
.btn-line:hover{border-color:var(--green);color:var(--green-text)}

/* Logo (Dach-Linien rot/schwarz) */
.logo{display:flex;align-items:center;gap:12px;text-decoration:none}
.logo svg{width:52px;height:30px;flex:none;color:var(--ink)}
footer .logo svg{color:var(--ink)}
.logo-text{line-height:1.05;text-transform:uppercase;font-weight:800}
.logo-text b{display:block;font-size:15px;letter-spacing:.04em}
.logo-text span{font-size:15px;letter-spacing:.04em;color:var(--green-text)}

/* Header */
header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.95);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:76px}
.nav ul{display:flex;gap:32px;list-style:none;align-items:center}
.nav ul a{text-decoration:none;font-size:14px;color:var(--ink-2);font-weight:700;text-transform:uppercase;letter-spacing:.08em}
.nav ul a:not(.btn):hover{color:var(--green-text)}
.nav .btn{padding:11px 18px;font-size:13px}
.menu-btn{display:none;background:none;border:0;font-size:28px;cursor:pointer}

/* Hero: heller Betonverlauf wie in der Grafik */
.hero{background:linear-gradient(180deg,#fafafa 0%,#e4e4e2 100%);padding:80px 0 0;overflow:hidden;border-bottom:4px solid var(--green)}
.hero-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:48px;align-items:end}
.hero-text{padding-bottom:80px}
.hero .name{font-size:14px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-bottom:18px}
.hero h1{font-size:clamp(38px,5.4vw,66px);margin-bottom:24px}
.hero h1 em{font-style:normal;color:var(--green-text)}
.hero p.lead{font-size:clamp(17px,1.8vw,20px);color:var(--muted);max-width:500px;margin-bottom:36px}
.hero .actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-img{align-self:stretch;display:flex;align-items:flex-end}
.hero-img img{width:100%;filter:drop-shadow(0 24px 30px rgba(0,0,0,.18))}
.facts{background:var(--white);color:var(--ink);border-bottom:1px solid var(--line)}
.facts .wrap{display:grid;grid-template-columns:repeat(3,1fr)}
.facts div div{padding:28px 0;border-right:1px solid var(--line)}
.facts div div:last-child{border-right:0}
.facts b{display:block;font-size:22px;text-transform:uppercase;font-weight:800;color:var(--green-text)}
.facts span{font-size:14px;color:var(--muted)}
.facts .wrap>div{padding-left:28px}
.facts .wrap>div:first-child{padding-left:0}

/* KI-Banner */
.banner{padding:90px 0 0}
.banner img{width:100%;border-radius:var(--r);box-shadow:0 24px 50px -28px rgba(0,0,0,.55)}

/* Ablauf */
.intro{display:grid;grid-template-columns:1fr 1.15fr;gap:72px;align-items:start}
.intro p{color:var(--muted);margin-bottom:16px}
.steps{list-style:none;counter-reset:s}
.steps li{counter-increment:s;display:grid;grid-template-columns:64px 1fr;gap:18px;padding:20px 0;border-top:1px solid var(--line)}
.steps li:last-child{border-bottom:1px solid var(--line)}
.steps li::before{content:counter(s,decimal-leading-zero);font-size:30px;font-weight:800;color:var(--concrete);line-height:1}
.steps li:nth-child(odd)::before{color:var(--green-text)}
.steps b{display:block;font-size:17px;text-transform:uppercase;letter-spacing:.04em;margin-bottom:2px}
.steps span{color:var(--muted);font-size:15px}

/* Leistungen */
#leistungen{background:var(--white)}
.head-row{display:flex;justify-content:space-between;align-items:end;gap:32px;margin-bottom:48px;flex-wrap:wrap}
.head-row p{color:var(--muted);max-width:420px}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{background:var(--paper);padding:0 0 30px;display:flex;flex-direction:column;border-radius:var(--r);overflow:hidden;transition:.2s}
.card:hover{transform:translateY(-4px);box-shadow:0 22px 40px -26px rgba(0,0,0,.5)}
.card .bar{height:10px;background:var(--green)}
.card .num{font-size:13px;color:var(--muted);font-weight:700;letter-spacing:.12em;margin:28px 30px 14px}
.card h3{font-size:24px;margin:0 30px 12px}
.card p{color:var(--muted);font-size:15px;flex:1;margin:0 30px 26px}
.price{margin:0 30px;border-top:2px solid var(--concrete-l);padding-top:18px;display:flex;justify-content:space-between;align-items:baseline}
.price b{font-size:26px;font-weight:800}
.price span{font-size:13px;color:var(--muted);text-transform:uppercase;letter-spacing:.06em}
.extra{margin-top:40px;display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.extra>span{font-size:13px;color:var(--muted);margin-right:6px;text-transform:uppercase;letter-spacing:.1em;font-weight:700}
.tag{border:1.5px solid var(--concrete);background:#fff;padding:7px 14px;font-size:14px;font-weight:600}

/* Projekte */
.projects{display:grid;grid-template-columns:repeat(2,1fr);gap:28px}
.project{background:var(--white);border-radius:var(--r);overflow:hidden}
.project .img{aspect-ratio:16/10;background:var(--concrete-l);overflow:hidden}
.project .img img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.project:hover .img img{transform:scale(1.04)}
.project .t{padding:20px 22px;border-top:4px solid var(--green)}
.project h3{font-size:17px;margin-bottom:4px}
.project p{font-size:14px;color:var(--muted)}

/* Person */
#person{background:linear-gradient(180deg,#fafafa 0%,#e4e4e2 100%);color:var(--ink)}
.person{display:grid;grid-template-columns:.8fr 1.2fr;gap:72px;align-items:start}
.portrait{aspect-ratio:4/5;background:var(--concrete-l);position:relative}
.portrait img{width:100%;height:100%;object-fit:cover}
.portrait::after{content:"";position:absolute;left:-14px;bottom:-14px;width:90px;height:90px;border-left:6px solid var(--green);border-bottom:6px solid var(--green)}
.person p{color:var(--muted);margin-bottom:16px}
.person h2{color:var(--ink)}
.timeline{margin-top:36px}
.timeline div{display:grid;grid-template-columns:130px 1fr;gap:20px;padding:16px 0;border-top:1px solid var(--line)}
.timeline b{color:var(--green-text);font-size:13px;font-weight:700;text-transform:uppercase;letter-spacing:.1em;padding-top:2px}
.timeline span{color:var(--ink-2);font-size:15px}

/* Kontakt */
.contact{display:grid;grid-template-columns:1fr 1.1fr;gap:64px}
.contact-list{list-style:none;margin-top:28px}
.contact-list li{padding:18px 0;border-top:1px solid var(--line);display:grid;grid-template-columns:110px 1fr;gap:16px}
.contact-list li:last-child{border-bottom:1px solid var(--line)}
.contact-list small{color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.1em;font-weight:700;padding-top:3px}
.contact-list a{text-decoration:none;font-weight:700}
.contact-list a:hover{color:var(--green-text)}
form{background:var(--white);padding:38px;border-top:6px solid var(--green)}
form h3{font-size:22px;margin-bottom:22px}
.field{margin-bottom:18px}
.field label{display:block;font-size:12px;font-weight:700;margin-bottom:6px;text-transform:uppercase;letter-spacing:.1em}
.field input,.field select,.field textarea{width:100%;padding:12px 14px;border:1.5px solid var(--concrete-l);border-radius:var(--r);font:inherit;font-size:16px;background:#fafafa}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--green)}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
form .note{font-size:13px;color:var(--muted);margin-top:14px}
#form-msg{margin-top:14px;font-size:14px;color:var(--green-text);display:none}

/* Footer */
footer{background:var(--concrete-l);color:var(--ink-2);padding:56px 0 40px;font-size:14px;border-top:4px solid var(--green)}
.foot{display:flex;justify-content:space-between;gap:32px;flex-wrap:wrap;align-items:center}
footer a{color:var(--ink)}
details.legal{margin-top:28px;border-top:1px solid #bdbdba;padding-top:20px}
details.legal summary{cursor:pointer;color:var(--ink);font-weight:700;text-transform:uppercase;letter-spacing:.08em;font-size:13px}
details.legal p{margin:12px 0;max-width:760px;line-height:1.7}
.ph{background:rgba(34,200,0,.15);color:var(--green-text);padding:0 4px}

@media (max-width:900px){
  section{padding:72px 0}
  .hero{padding-top:56px}
  .hero-grid,.intro,.person,.contact{grid-template-columns:1fr;gap:40px}
  .hero-text{padding-bottom:0}
  .cards,.projects{grid-template-columns:1fr}
  .facts .wrap{grid-template-columns:1fr}
  .facts .wrap>div{border-bottom:1px solid var(--line);padding:16px 0}
  .facts .wrap>div:last-child{border-bottom:0}
  .facts .wrap>div>div{border:0;padding:0}
  .facts b{font-size:19px}
  .nav ul{display:none;position:absolute;top:76px;left:0;right:0;background:#fff;flex-direction:column;padding:24px;gap:18px;border-bottom:1px solid var(--line)}
  .nav ul.open{display:flex}
  .menu-btn{display:block}
  .person-imgs{max-width:420px}
  .row2{grid-template-columns:1fr}
}

/* Unterseite */
.nav ul a.current{color:var(--green-text)}
#person.subpage{padding-top:80px}
.cta{background:var(--white);border-top:1px solid var(--line);padding:72px 0}
.cta-inner{display:flex;justify-content:space-between;align-items:center;gap:32px;flex-wrap:wrap}
.cta h2{margin-bottom:0}
.cta .actions{display:flex;gap:14px;flex-wrap:wrap}
.story-title{font-size:15px;letter-spacing:.12em;color:var(--green-text);margin:-6px 0 18px}
.person p.highlight{color:var(--ink);font-weight:700;font-size:19px;border-left:4px solid var(--green);padding-left:16px}

/* Futuristische Schubkarre aus dem KI-Banner */
.karre{height:auto;filter:drop-shadow(0 14px 14px rgba(0,0,0,.22))}
.hero-img{position:relative}
.hero-img .karre-hero{position:absolute;left:-95px;bottom:-2px;width:240px;z-index:2}
.karre-intro{width:240px;max-width:70%;margin-top:30px}
.karre-tags{width:120px;margin-left:auto}
.road{padding:30px 0 0;overflow:hidden}
.road .wrap{position:relative;height:140px;border-bottom:4px solid var(--green)}
.karre-road{position:absolute;bottom:-6px;left:-100vw;width:200px;transition:left 2.4s cubic-bezier(.2,.7,.2,1)}
.road.go .karre-road{left:calc(100% - 215px)}
.cta-left{display:flex;align-items:center;gap:28px}
.karre-cta{width:180px}
@media (prefers-reduced-motion:reduce){.karre-road{transition:none}}
@media (max-width:900px){
  .hero-img .karre-hero{left:auto;right:-2%;bottom:-6px;width:160px}
  .karre-tags{display:none}
  .road .wrap{height:110px}
  .karre-road{width:160px}
  .road.go .karre-road{left:calc(100% - 170px)}
  .cta-left{flex-direction:column;align-items:flex-start}
  .karre-cta{width:160px}
}

/* Leistungen: 2 Spalten + breite KI-Karte */
.cards{grid-template-columns:repeat(2,1fr)}
.card p{margin-bottom:30px}
.card-ki{grid-column:1/-1;flex-direction:row;align-items:center;background:linear-gradient(90deg,var(--paper) 55%,#e4f7e0 100%);position:relative;padding-bottom:0}
.card-ki .bar{position:absolute;top:0;left:0;right:0}
.card-ki .ki-text{flex:1;padding-top:10px}
.card-ki .ki-text p{max-width:560px}
.karre-ki{width:220px;margin:24px 40px 18px 0}
@media (max-width:900px){
  .cards{grid-template-columns:1fr}
  .card-ki{flex-direction:column;align-items:flex-start}
  .karre-ki{width:180px;margin:0 30px 24px}
}

/* KI-Vorteil */
.hero p.lead .ki-hint{display:block;margin-top:10px;color:var(--green-text);font-weight:700}
.ki-vorteil{display:grid;grid-template-columns:1fr 1.25fr;gap:56px;margin-top:56px;align-items:start}
.ki-vorteil h2{margin-bottom:0}
.ki-vorteil p{color:var(--muted);margin-bottom:22px}
.ki-list{list-style:none;display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.ki-list li{background:var(--white);padding:18px 18px 20px;border-top:4px solid var(--green)}
.ki-list b{display:block;text-transform:uppercase;letter-spacing:.06em;font-size:15px;margin-bottom:4px}
.ki-list span{font-size:14px;color:var(--muted)}
@media (max-width:900px){.ki-vorteil{grid-template-columns:1fr;gap:20px;margin-top:40px}.ki-list{grid-template-columns:1fr}}
.smiley{display:inline-block;width:1.8em;height:1.8em;vertical-align:middle;margin:-.3em 0 -.2em .25em;filter:drop-shadow(0 2px 3px rgba(0,0,0,.25))}