@font-face{font-family:'Space Grotesk';font-style:normal;font-weight:400;font-display:swap;src:url('/fonts/space-grotesk-latin-400-normal.woff2') format('woff2')}
@font-face{font-family:'Space Grotesk';font-style:normal;font-weight:500;font-display:swap;src:url('/fonts/space-grotesk-latin-500-normal.woff2') format('woff2')}
@font-face{font-family:'Space Grotesk';font-style:normal;font-weight:600;font-display:swap;src:url('/fonts/space-grotesk-latin-600-normal.woff2') format('woff2')}
@font-face{font-family:'Space Grotesk';font-style:normal;font-weight:700;font-display:swap;src:url('/fonts/space-grotesk-latin-700-normal.woff2') format('woff2')}
@font-face{font-family:'IBM Plex Sans';font-style:normal;font-weight:400;font-display:swap;src:url('/fonts/ibm-plex-sans-latin-400-normal.woff2') format('woff2')}
@font-face{font-family:'IBM Plex Sans';font-style:normal;font-weight:500;font-display:swap;src:url('/fonts/ibm-plex-sans-latin-500-normal.woff2') format('woff2')}
@font-face{font-family:'IBM Plex Sans';font-style:normal;font-weight:600;font-display:swap;src:url('/fonts/ibm-plex-sans-latin-600-normal.woff2') format('woff2')}

/* Layout: Ingenieurs-Taktplan als Leitmotiv. Ruhige Papierfläche, Grafit, Ronalds Signalrot nur für Handlung und Takt. */
:root{
  --paper:#F4F2ED; --paper-2:#EAE6DE; --card:#FBFAF7; --ink:#1D2023; --ink-soft:#4A4F55;
  --line:#D9D3C8; --signal:#C4302B; --signal-ink:#FFFFFF; --signal-soft:#F6DEDB;
  --band:#1D2023; --band-ink:#F4F2ED; --band-soft:#B9BEC3; --band-line:#3A3F44;
  --font-display:'Space Grotesk', 'Arial Narrow', Arial, sans-serif;
  --font-text:'IBM Plex Sans', 'Segoe UI', Arial, sans-serif;
  --maxw:1180px; --radius:10px;
}
@media (prefers-color-scheme: dark){ :root:not([data-theme="light"]){
  --paper:#16181A; --paper-2:#1C1F22; --card:#212427; --ink:#ECE9E3; --ink-soft:#A9AEB3;
  --line:#34383C; --signal:#E35A50; --signal-ink:#16181A; --signal-soft:#3A2321;
  --band:#0F1112; --band-ink:#ECE9E3; --band-soft:#A9AEB3; --band-line:#2C3034; color-scheme:dark } }
:root[data-theme="dark"]{
  --paper:#16181A; --paper-2:#1C1F22; --card:#212427; --ink:#ECE9E3; --ink-soft:#A9AEB3;
  --line:#34383C; --signal:#E35A50; --signal-ink:#16181A; --signal-soft:#3A2321;
  --band:#0F1112; --band-ink:#ECE9E3; --band-soft:#A9AEB3; --band-line:#2C3034; color-scheme:dark }

*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion: reduce){html{scroll-behavior:auto}}
body{background:var(--paper);color:var(--ink);font-family:var(--font-text);font-size:17px;line-height:1.6}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:10;background:var(--paper)}
a{color:inherit}
:focus-visible{outline:3px solid var(--signal);outline-offset:3px;border-radius:4px}
h1,h2,h3{font-family:var(--font-display);line-height:1.1;text-wrap:balance;margin:0}
p{margin:0}
.wrap{max-width:var(--maxw);margin:0 auto;padding-left:max(16px, env(safe-area-inset-left,0px));padding-right:max(16px, env(safe-area-inset-right,0px))}
.eyebrow{font-size:13px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--signal)}
.lead{font-size:20px;color:var(--ink-soft);max-width:62ch}
.draft{background:var(--signal-soft);color:var(--ink);font-size:14px;text-align:center;padding-block:8px}
.ph{background:var(--signal-soft);border-radius:4px;padding:0 4px;font-weight:500}

/* Header */
header.site{position:sticky;top:env(safe-area-inset-top,0px);z-index:20;background:var(--paper);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-block:14px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-family:var(--font-display);font-weight:700;font-size:20px;letter-spacing:-.01em}
.brand-mark{display:grid;grid-template-columns:repeat(4,7px);gap:2px}
.brand-mark span{width:7px;height:7px;background:var(--ink);border-radius:1px}
.brand-mark span:nth-child(-n+3){background:var(--signal)}
.nav ul{display:flex;gap:26px;list-style:none;margin:0;padding:0}
.nav ul a{text-decoration:none;font-size:15px;font-weight:500;color:var(--ink-soft)}
.nav ul a:hover{color:var(--ink)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 22px;border-radius:999px;font-weight:600;font-size:16px;text-decoration:none;border:2px solid transparent;cursor:pointer;font-family:var(--font-text)}
.btn-primary{background:var(--signal);color:var(--signal-ink)}
.btn-primary:hover{filter:brightness(1.07)}
.btn-ghost{border-color:var(--ink);color:var(--ink);background:transparent}
.btn-ghost:hover{background:var(--ink);color:var(--paper)}
.menu-btn{display:none;background:none;border:1px solid var(--line);border-radius:8px;min-height:44px;padding:0 14px;font:inherit;color:var(--ink)}
@media (max-width:900px){
  .nav ul{display:none}
  .nav.open ul{display:flex;flex-direction:column;position:absolute;left:0;right:0;top:100%;background:var(--paper);border-bottom:1px solid var(--line);padding:16px max(16px, env(safe-area-inset-left,0px)) 20px;gap:16px}
  .menu-btn{display:inline-flex;align-items:center}
  .nav .btn-primary{display:none}
}

/* Hero */
.hero{padding-block:64px 56px}
.hero-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:56px;align-items:center}
.hero h1{font-size:clamp(40px, 6vw, 74px);font-weight:700;letter-spacing:-.025em;margin-block:14px 20px}
.hero h1 em{font-style:normal;color:var(--signal)}
.hero .cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.facts{display:flex;flex-wrap:wrap;gap:28px;margin-top:36px;padding-top:24px;border-top:1px solid var(--line)}
.facts div{display:flex;flex-direction:column}
.facts strong{font-family:var(--font-display);font-size:28px;font-variant-numeric:tabular-nums}
.facts span{font-size:14px;color:var(--ink-soft)}
@media (max-width:900px){.hero-grid{grid-template-columns:1fr;gap:40px}.hero{padding-block:40px}}

/* Taktplan */
.takt{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px;min-width:0}
.takt-head{display:flex;justify-content:space-between;align-items:baseline;gap:12px;margin-bottom:14px}
.takt-head h2{font-size:17px;font-weight:600}
.takt-head span{font-size:13px;color:var(--ink-soft)}
.takt-scroll{overflow-x:auto}
.takt-grid{display:grid;grid-template-columns:118px repeat(22, minmax(14px,1fr));gap:3px;min-width:480px;font-size:13px}
.takt-grid .lbl{color:var(--ink-soft);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;padding-right:6px;align-self:center}
.takt-grid .day{font-size:11px;color:var(--ink-soft);text-align:center;font-variant-numeric:tabular-nums}
.takt-grid .bar{height:22px;border-radius:4px;background:var(--ink)}
.takt-grid .bar.sig{background:var(--signal)}
.takt-grid .cell{height:22px;border-radius:4px;background:var(--paper-2)}
.takt-foot{margin-top:12px;font-size:13px;color:var(--ink-soft)}

/* Sections */
section.block{padding-block:88px}
section.alt{background:var(--paper-2)}
.sec-head{display:flex;flex-direction:column;gap:14px;margin-bottom:44px;max-width:780px}
.sec-head h2{font-size:clamp(30px, 4vw, 46px);letter-spacing:-.02em}
@media (max-width:700px){section.block{padding-block:60px}}

/* Problem band */
.band{background:var(--band);color:var(--band-ink)}
.band .lead{color:var(--band-soft)}
.band .eyebrow{color:var(--signal)}
.quote-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.bars{display:flex;flex-direction:column;gap:22px}
.bar-row{display:flex;flex-direction:column;gap:8px}
.bar-row .meta{display:flex;justify-content:space-between;font-size:15px;color:var(--band-soft)}
.bar-row .meta b{font-family:var(--font-display);font-size:26px;color:var(--band-ink);font-variant-numeric:tabular-nums}
.track{height:18px;background:var(--band-line);border-radius:3px;overflow:hidden}
.fill{height:100%;background:var(--band-soft);border-radius:3px}
.fill.sig{background:var(--signal)}
.src{font-size:13px;color:var(--band-soft)}
.src a{color:var(--band-soft)}
.three{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:56px}
.three div{border-top:2px solid var(--band-line);padding-top:16px}
.three h3{font-size:20px;margin-bottom:6px}
.three p{color:var(--band-soft);font-size:16px}
@media (max-width:900px){.quote-grid,.three{grid-template-columns:1fr;gap:32px}}

/* Prinzipien */
.principles{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:2px solid var(--ink)}
.principles article{padding:24px 22px 8px 0;display:flex;flex-direction:column;gap:10px;min-width:0}
.principles article+article{padding-left:22px;border-left:1px solid var(--line)}
.principles .num{font-family:var(--font-display);font-size:15px;color:var(--signal);font-weight:600}
.principles h3{font-size:22px}
.principles p{color:var(--ink-soft);font-size:16px}
@media (max-width:900px){.principles{grid-template-columns:1fr 1fr}.principles article:nth-child(3){padding-left:0;border-left:none}.principles article{padding-bottom:24px}}
@media (max-width:560px){.principles{grid-template-columns:1fr}.principles article+article{padding-left:0;border-left:none;border-top:1px solid var(--line)}}

/* Türen */
.doors{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.door{display:flex;flex-direction:column;gap:12px;padding:28px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);text-decoration:none;transition:border-color .15s}
.door:hover{border-color:var(--ink)}
.door.main{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.door.main p{color:var(--paper);opacity:.82}
.door h3{font-size:24px}
.door p{color:var(--ink-soft);font-size:16px;flex:1}
.door .go{font-weight:600;color:var(--signal)}
.door.main .go{color:var(--signal)}
@media (max-width:900px){.doors{grid-template-columns:1fr}}

/* Partner */
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px}
@media (max-width:900px){.split{grid-template-columns:1fr;gap:32px}}
.list-check{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:12px}
.list-check li{display:grid;grid-template-columns:22px 1fr;gap:10px;align-items:start}
.list-check li::before{content:"";width:14px;height:14px;margin-top:6px;border-radius:3px;background:var(--signal)}
.list-check.quiet li::before{background:var(--ink-soft)}
.subhead{font-size:21px;margin-bottom:16px}
.offer{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:48px}
.offer article{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px;display:flex;flex-direction:column;gap:12px}
.offer h3{font-size:19px}
.offer ul{margin:0;padding-left:18px;color:var(--ink-soft);font-size:15.5px;display:flex;flex-direction:column;gap:6px}
@media (max-width:900px){.offer{grid-template-columns:1fr}}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:48px;counter-reset:s}
.steps li{list-style:none;counter-increment:s;padding-top:16px;border-top:2px solid var(--ink);display:flex;flex-direction:column;gap:6px}
.steps li::before{content:"Schritt " counter(s);font-size:13px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--signal)}
.steps b{font-family:var(--font-display);font-size:19px}
.steps span{color:var(--ink-soft);font-size:15.5px}
.steps{padding:0;margin-bottom:0}
@media (max-width:900px){.steps{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.steps{grid-template-columns:1fr}}
.terms{margin-top:48px;display:grid;grid-template-columns:1.2fr 1fr;gap:0;border:1px solid var(--ink);border-radius:var(--radius);overflow:hidden}
.terms .price{background:var(--ink);color:var(--paper);padding:32px;display:flex;flex-direction:column;gap:10px}
.terms .price .big{font-family:var(--font-display);font-size:48px;font-weight:700;letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.terms .price p{opacity:.85}
.terms dl{margin:0;padding:32px;display:grid;grid-template-columns:auto 1fr;gap:10px 20px;background:var(--card);font-size:15.5px}
.terms dt{color:var(--ink-soft)}
.terms dd{margin:0;font-weight:500}
@media (max-width:900px){.terms{grid-template-columns:1fr}}

/* Hauseigentümer */
.benefits{display:grid;grid-template-columns:repeat(3,1fr);gap:28px 32px}
.benefits article{display:flex;flex-direction:column;gap:8px}
.benefits h3{font-size:20px}
.benefits p{color:var(--ink-soft);font-size:16px}
@media (max-width:900px){.benefits{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.benefits{grid-template-columns:1fr}}
.callout{margin-top:44px;display:flex;flex-wrap:wrap;gap:20px;align-items:center;justify-content:space-between;padding:24px 28px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius)}
.callout p{max-width:60ch}

/* Förderpartner */
.sponsor{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin-top:8px}
.sponsor article{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:28px;display:flex;flex-direction:column;gap:14px}
.sponsor h3{font-size:22px}
.sponsor .tag{align-self:flex-start;font-size:13px;font-weight:600;padding:4px 10px;border-radius:999px;background:var(--paper-2);color:var(--ink-soft)}
@media (max-width:900px){.sponsor{grid-template-columns:1fr}}
.founding{margin-top:20px;display:grid;grid-template-columns:1fr auto;gap:24px;align-items:center;padding:28px;border:2px dashed var(--signal);border-radius:var(--radius)}
.founding h3{font-size:22px;margin-bottom:6px}
.founding p{color:var(--ink-soft)}
@media (max-width:700px){.founding{grid-template-columns:1fr}}

/* Regionen */
.regions{display:flex;flex-wrap:wrap;gap:10px}
.regions span{padding:10px 16px;border:1px solid var(--line);border-radius:999px;background:var(--card);font-weight:500}
.regions span.active{border-color:var(--signal);color:var(--signal)}

/* Über */
.about{display:grid;grid-template-columns:320px 1fr;gap:48px;align-items:start}
.portrait{aspect-ratio:4/5;max-width:100%;background:var(--paper-2);border:1px dashed var(--line);border-radius:var(--radius);display:grid;place-items:center;color:var(--ink-soft);font-size:14px;text-align:center;padding:16px}
.about-text{display:flex;flex-direction:column;gap:16px;min-width:0}
.about-text p{color:var(--ink-soft)}
@media (max-width:800px){.about{grid-template-columns:1fr}.portrait{max-width:280px}}

/* FAQ */
.faq{display:grid;grid-template-columns:1fr 1fr;gap:12px 32px}
.faq details{border-top:1px solid var(--line);padding-block:16px}
.faq summary{cursor:pointer;font-weight:600;font-size:17px;list-style:none;display:flex;justify-content:space-between;gap:16px;min-height:44px;align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-family:var(--font-display);font-size:24px;color:var(--signal);flex:none}
.faq details[open] summary::after{content:"–"}
.faq details p{color:var(--ink-soft);margin-top:8px;font-size:16px}
.faq .who{font-size:12px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--signal);display:block;margin-bottom:2px}
@media (max-width:800px){.faq{grid-template-columns:1fr}}

/* Kontakt */
.contact{display:grid;grid-template-columns:1fr 1.1fr;gap:56px}
form{display:flex;flex-direction:column;gap:16px}
.field{display:flex;flex-direction:column;gap:6px}
label{font-weight:600;font-size:15px}
input,select,textarea{font:inherit;color:var(--ink);background:var(--card);border:1px solid var(--line);border-radius:8px;padding:12px 14px;min-height:46px;width:100%}
textarea{min-height:120px;resize:vertical}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.note{font-size:14px;color:var(--ink-soft)}
.form-msg{padding:14px 16px;border-radius:8px;background:var(--signal-soft);font-size:15px}
@media (max-width:800px){.contact,.row2{grid-template-columns:1fr;gap:32px}.row2{gap:16px}}

/* Footer */
footer{background:var(--band);color:var(--band-soft);padding-block:56px 40px;font-size:15px}
.foot{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:32px}
footer h3{color:var(--band-ink);font-size:16px;margin-bottom:12px}
footer ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px}
footer a{color:var(--band-soft)}
.foot-bottom{margin-top:40px;padding-top:20px;border-top:1px solid var(--band-line);display:flex;flex-wrap:wrap;gap:16px;justify-content:space-between;font-size:14px}
@media (max-width:800px){.foot{grid-template-columns:1fr}}

*{box-sizing:border-box}
body{margin:0}
img{max-width:100%}
[hidden]{display:none!important}
.about-solo{grid-template-columns:1fr;max-width:820px}
.legal{max-width:780px;padding-block:56px 88px}
.legal h1{font-size:clamp(34px,5vw,52px);letter-spacing:-.02em;margin-bottom:28px}
.legal h2{font-size:22px;margin-top:36px;margin-bottom:10px}
.legal p,.legal li{color:var(--ink-soft)}
.legal p+p{margin-top:10px}
.legal address{font-style:normal;color:var(--ink)}
.legal ul{padding-left:20px;display:flex;flex-direction:column;gap:6px}
.back{display:inline-block;margin-top:40px}