/* ===== Design-Tokens: hier Farben, Schrift und Abstände zentral ändern ===== */
:root{
  --ink:#0d2b36;        /* Petrol-Dunkel: Hero, Footer, Text */
  --water:#1b8aa0;      /* Wasser-Blau: Links, Akzente */
  --mist:#eef3f4;       /* Heller Seitenhintergrund */
  --paper:#ffffff;
  --signal:#e4631a;     /* Signal-Orange: nur für Handlungsaufrufe */
  --line:#cfdcdf;
  --muted:#4d6770;
  --f-head:"Bahnschrift","DIN Alternate","Arial Narrow",Arial,sans-serif;
  --f-body:system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  --wrap:1180px;
}
*{box-sizing:border-box;margin:0}
html{scroll-behavior:smooth}
body{font:400 1.0625rem/1.65 var(--f-body);color:var(--ink);background:var(--mist)}
img,svg{max-width:100%}
a{color:var(--water)}
:focus-visible{outline:3px solid var(--signal);outline-offset:2px}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}
h1,h2,h3{font-family:var(--f-head);line-height:1.1;letter-spacing:-.01em}
h1{font-size:clamp(2.4rem,6vw,4.4rem);font-weight:700}
h2{font-size:clamp(1.7rem,3.4vw,2.5rem);font-weight:600;margin-bottom:.6em}
h3{font-size:1.35rem;font-weight:600;margin-bottom:.4em}
p+p{margin-top:1em}
.lead{font-size:1.2rem;max-width:62ch}
section.block{padding:84px 0}
.block.white{background:var(--paper)}

/* ===== Kopfzeile ===== */
header.top{position:sticky;top:0;z-index:20;background:var(--paper);border-bottom:1px solid var(--line)}
.bar{display:flex;align-items:center;justify-content:space-between;height:68px;gap:24px}
.logo{display:flex;align-items:center}.logo img{height:34px;width:auto;display:block}
.logo span{color:var(--water)}
nav ul{list-style:none;padding:0;display:flex;gap:4px;align-items:center}
nav a{display:block;padding:10px 12px;color:var(--ink);text-decoration:none;font-weight:500;border-bottom:3px solid transparent}
nav a:hover,nav a.on{border-bottom-color:var(--water)}
nav a.cta{background:var(--signal);color:#fff;border:0;border-radius:3px;margin-left:8px;padding:10px 18px}
.burger{display:none;background:none;border:1px solid var(--line);padding:8px 12px;font:inherit;border-radius:3px}
@media(max-width:940px){
  .burger{display:block}
  nav{position:absolute;left:0;right:0;top:68px;background:var(--paper);border-bottom:1px solid var(--line);display:none}
  nav.open{display:block}
  nav ul{flex-direction:column;align-items:stretch;padding:12px 24px}
  nav a.cta{margin:8px 0 0;text-align:center}
}

/* ===== Hero ===== */
.hero{background:var(--ink);color:#fff;padding:96px 0 0;overflow:hidden}
.hero .grid{display:grid;grid-template-columns:1.25fr 1fr;gap:56px;align-items:end}
.hero p.lead{color:#cfe3e8;margin-top:24px}
.hero .btns{margin-top:36px;display:flex;gap:14px;flex-wrap:wrap}
.btn{display:inline-block;padding:14px 26px;border-radius:3px;font-weight:600;text-decoration:none;background:var(--signal);color:#fff}
.btn.ghost{background:transparent;border:2px solid #7fb3c0;color:#fff}
.btn.dark{background:var(--ink)}
.phases{list-style:none;padding:0;margin:0 0 48px;border-left:3px solid var(--water)}
.phases li{padding:12px 0 12px 22px;position:relative;font:600 1.3rem var(--f-head)}
.phases li::before{content:"";position:absolute;left:-9px;top:50%;width:15px;height:15px;border-radius:50%;background:var(--ink);border:3px solid var(--signal);transform:translateY(-50%)}
.phases small{display:block;font:400 .95rem var(--f-body);color:#9fc1ca}
.hero .strip{margin-top:72px;background:var(--water);color:#fff;padding:18px 0;font-weight:500}
.strip .wrap{display:flex;gap:32px;flex-wrap:wrap;justify-content:space-between}
.page-hero{padding-bottom:64px}
.page-hero .grid{align-items:center}
.crumbs{font-size:.9rem;color:#9fc1ca;margin-bottom:20px}
.crumbs a{color:#9fc1ca}
@media(max-width:860px){.hero .grid{grid-template-columns:1fr}.phases{margin-bottom:0}}

/* ===== Bildplatzhalter: ersetzen durch <img src="…" alt="…"> ===== */
.ph{display:flex;align-items:flex-end;min-height:260px;padding:14px;border-radius:4px;color:#5a7680;font-size:.85rem;
  background:repeating-linear-gradient(135deg,#dfe9eb 0 14px,#e8f0f2 14px 28px)}
.ph.dark{background:repeating-linear-gradient(135deg,#17404e 0 14px,#1b4857 14px 28px);color:#9fc1ca}

/* ===== Produktbereiche (Start) – bewusst unterschiedlich große Kacheln ===== */
.tiles{display:grid;grid-template-columns:repeat(6,1fr);gap:20px}
.tile{position:relative;display:flex;flex-direction:column;justify-content:flex-end;min-height:300px;padding:28px;border-radius:4px;
  text-decoration:none;color:#fff;background:var(--ink);overflow:hidden;transition:transform .2s}
.tile:hover{transform:translateY(-3px)}
.tile h3{font-size:1.8rem}
.tile p{color:#cfe3e8;font-size:1rem;max-width:42ch}
.tile .more{margin-top:14px;font-weight:600;color:#fff;border-bottom:2px solid var(--signal);align-self:flex-start}
.tile.a{grid-column:span 4;background:linear-gradient(160deg,#124455,#0d2b36)}
.tile.b{grid-column:span 2;background:#1b8aa0}
.tile.c{grid-column:span 2;background:#2b4a55}
.tile.d{grid-column:span 4;background:linear-gradient(200deg,#195a6b,#0d2b36)}
@media(max-width:800px){.tile.a,.tile.b,.tile.c,.tile.d{grid-column:span 6}}

/* ===== Zweispalter, Listen, Tabellen ===== */
.two{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
@media(max-width:860px){.two{grid-template-columns:1fr;gap:28px}}
.ticks{list-style:none;padding:0}
.ticks li{padding:9px 0 9px 30px;position:relative;border-bottom:1px solid var(--line)}
.ticks li::before{content:"";position:absolute;left:4px;top:1.05em;width:12px;height:7px;border-left:3px solid var(--water);border-bottom:3px solid var(--water);transform:rotate(-45deg)}
.tbl{width:100%;border-collapse:collapse;background:var(--paper)}
.tbl th,.tbl td{text-align:left;padding:16px 18px;border-bottom:1px solid var(--line);vertical-align:top}
.tbl th{font:600 1.1rem var(--f-head);background:var(--ink);color:#fff}
.tbl td:first-child{font:700 1.4rem var(--f-head);color:var(--water);white-space:nowrap}
.scroll{overflow-x:auto}
.facts{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:0;border:1px solid var(--line);background:var(--paper)}
.facts div{padding:26px;border-right:1px solid var(--line)}
.facts strong{display:block;font:700 2.1rem var(--f-head);color:var(--water)}
.groups{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:0;border-top:3px solid var(--ink)}
.groups div{padding:24px 24px 24px 0;border-bottom:1px solid var(--line)}
.groups h3{font-size:1.2rem}
.groups p{color:var(--muted);font-size:.98rem}

/* ===== News ===== */
.news{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
@media(max-width:860px){.news{grid-template-columns:1fr}}
.news time{font-size:.9rem;color:var(--muted)}
.news h3{margin-top:6px}
.news .ph{min-height:170px;margin-bottom:16px}

/* ===== Akkordeon „Wissen to go“ ===== */
details{border-top:1px solid var(--line);background:var(--paper)}
details:last-of-type{border-bottom:1px solid var(--line)}
summary{cursor:pointer;padding:20px 24px;font:600 1.25rem var(--f-head);list-style:none;display:flex;justify-content:space-between}
summary::after{content:"+";font-size:1.6rem;line-height:1;color:var(--water)}
details[open] summary::after{content:"–"}
details .in{padding:0 24px 24px;max-width:78ch}

/* ===== Kontakt ===== */
.contact{background:var(--ink);color:#fff}
.contact .two{align-items:start}
form{display:grid;gap:14px}
label{font-size:.95rem;color:#cfe3e8}
input,textarea{width:100%;padding:12px 14px;border:1px solid #3d6572;border-radius:3px;background:#12384a;color:#fff;font:inherit;margin-top:4px}
textarea{min-height:120px}
.contact a{color:#fff}
footer{background:#082029;color:#9fc1ca;padding:32px 0;font-size:.95rem}
footer .wrap{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
footer a{color:#cfe3e8;margin-left:18px}

@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}

/* ===== Ergänzungen: Barrierefreiheit, Dropdown, Bilder, Banner ===== */
.skip{position:absolute;left:-999px;top:0;background:#fff;padding:10px 16px;z-index:100}
.skip:focus{left:8px;top:8px}
nav li{position:relative}
nav a.on{border-bottom-color:var(--water)}
.has-sub>.sub{list-style:none;padding:8px 0;margin:0;position:absolute;left:0;top:100%;min-width:240px;background:var(--paper);border:1px solid var(--line);box-shadow:0 8px 24px rgba(13,43,54,.12);display:none;flex-direction:column;align-items:stretch;gap:0;z-index:30}
.has-sub:hover>.sub,.has-sub:focus-within>.sub{display:flex}
.sub a{padding:10px 18px;border-bottom:0}
.sub a:hover,.sub a.on{background:var(--mist)}
@media(max-width:940px){
  .has-sub>.sub{display:flex;position:static;border:0;box-shadow:none;padding:0 0 0 16px;min-width:0}
}
.hero.img{background-color:var(--ink);background-size:cover;background-position:center;background-repeat:no-repeat}
.hero.home .grid{padding-bottom:0}
.hero .quote{margin-top:18px;font:italic 500 1.25rem var(--f-head);color:#9fd6e2}
.page-hero{padding:80px 0 64px}
.hero.home{padding-top:96px}
.tile{position:relative;display:block;min-height:300px;padding:0;background:var(--ink)}
.tile>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.55;transition:opacity .2s,transform .4s}
.tile:hover>img{opacity:.7;transform:scale(1.03)}
.tile .tt{position:relative;display:flex;flex-direction:column;justify-content:flex-end;height:100%;min-height:300px;padding:28px;background:linear-gradient(0deg,rgba(13,43,54,.92),rgba(13,43,54,.1) 70%)}
.tile.a,.tile.b,.tile.c,.tile.d{background:var(--ink)}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:24px}
.card{display:block;background:var(--paper);border:1px solid var(--line);text-decoration:none;color:var(--ink);padding-bottom:20px}
.card img{width:100%;height:190px;object-fit:cover;display:block}
.card h3{padding:16px 20px 4px}
.card .more{padding:0 20px;color:var(--water);font-weight:600}
.card:hover{border-color:var(--water)}
.fig{margin:0}
.fig img{width:100%;height:auto;display:block;border-radius:4px}
.fig+.fig{margin-top:24px}
.fig figcaption{font-size:.9rem;color:var(--muted);padding-top:8px}
.fig.wide img{border:1px solid var(--line);background:#fff}
.two.top{align-items:start}
.article h2{margin-top:0}.article h3{margin-top:1.6em}.article h4{margin:1.2em 0 .3em}
.article.narrow,.narrow{max-width:820px;margin:0 auto}
.legal h1{font-size:clamp(2rem,4vw,3rem);margin-bottom:.6em}
.legal h2{font-size:1.6rem;margin-top:1.8em}.legal h3{font-size:1.2rem;margin-top:1.4em}.legal h4{font-size:1.05rem;margin-top:1.1em}
.legal ul{padding-left:1.3em;margin:.8em 0}
.caps{font-size:.92rem}
.chips{list-style:none;padding:0;display:flex;flex-wrap:wrap;gap:8px;margin:12px 0 24px}
.chips li{background:var(--mist);border:1px solid var(--line);padding:6px 14px;border-radius:99px;font-size:.95rem}
.ticks.cols{columns:2;column-gap:48px}.ticks.cols li{break-inside:avoid}
.ticks.cols2{display:grid;grid-template-columns:1fr 1fr;column-gap:24px}
@media(max-width:700px){.ticks.cols{columns:1}.ticks.cols2{grid-template-columns:1fr}}
.timeline{margin:0;border-left:3px solid var(--water)}
.timeline div{padding:14px 0 14px 22px}
.timeline dt{font:700 1.6rem var(--f-head);color:var(--water)}
.timeline dd{margin:0}
.news img.thumb{width:100%;height:190px;object-fit:cover;border-radius:4px;margin-bottom:16px;display:block}
.note{margin-top:36px;padding:24px 28px;background:var(--paper);border-left:4px solid var(--signal)}
.jobs article{background:var(--paper);border:1px solid var(--line);padding:28px;margin-bottom:24px}
.jobs .meta{color:var(--muted);margin-bottom:16px}
.jobs h4{margin-bottom:.4em}
td small{font:400 .8rem var(--f-body);color:var(--muted);display:block}
.tbl td:first-child small{white-space:normal}
.check{display:block;font-size:.92rem}
.check input{width:auto;margin:0 8px 0 0;vertical-align:top}
.contact .check a{color:#fff}
.btn{border:0;font-family:inherit;font-size:1rem;cursor:pointer}
footer .copy{padding-top:8px;opacity:.8}
footer button{background:none;border:0;color:#cfe3e8;margin-left:18px;font:inherit;text-decoration:underline;cursor:pointer;padding:0}
/* Datenschutzhinweis (DSGVO) */
.privacy{position:fixed;left:16px;right:16px;bottom:16px;z-index:50;max-width:860px;margin:0 auto;background:var(--ink);color:#fff;border:1px solid #3d6572;border-radius:6px;padding:20px 24px;box-shadow:0 12px 40px rgba(0,0,0,.35)}
.privacy h2{font-size:1.15rem;margin:0 0 6px}
.privacy p{font-size:.95rem;margin:0;color:#dbe9ec}
.privacy a{color:#fff}
.privacy .row{display:flex;gap:12px;margin-top:14px;flex-wrap:wrap;align-items:center}
.privacy .btn{padding:10px 20px}

/* Kontaktformular */
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.form-status{min-height:1.5em;margin:0;font-weight:500}
.form-status.ok{color:#9be3b0}
.form-status.err{color:#ffc9a8}
button:disabled{opacity:.6;cursor:wait}
.wm{font:700 1.7rem var(--f-head);color:var(--ink);letter-spacing:-.01em;white-space:nowrap}
.wm b{color:var(--water)}
.logo{text-decoration:none}