/* T-Cell AG – nachgebaute Website (statisch, lokal lauffähig) */
:root{
  --navy:#234357;
  --navy-2:#1b3445;
  --blue-bar:#dbeefb;
  --blue-header:#cfe7f6;
  --blue-accent:#bfe2f7;
  --blue-soft:#d6ecfa;
  --gray-sec:#e9e9e9;
  --text:#33414b;
  --muted:#5b6b76;
  --line:#cdd6dd;
  --maxw:1120px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Segoe UI",-apple-system,BlinkMacSystemFont,Roboto,Helvetica,Arial,sans-serif;
  color:var(--text);
  line-height:1.6;
  background:#fff;
  font-size:16px;
}
img{max-width:100%;display:block}
a{color:var(--navy);text-decoration:none}
a:hover{text-decoration:underline}
.container{max-width:var(--maxw);margin:0 auto;padding:0 22px}

/* ---------- News bar ---------- */
.newsbar{background:var(--blue-bar);color:var(--navy);font-size:13.5px;text-align:center;padding:7px 16px;font-weight:600}

/* ---------- Header ---------- */
header.site{position:sticky;top:0;z-index:50;background:var(--blue-header);box-shadow:0 1px 4px rgba(0,0,0,.08)}
.nav{display:flex;align-items:center;gap:18px;height:74px;max-width:1200px;margin:0 auto;padding:0 22px}
.brand{display:flex;align-items:center;gap:10px;margin-right:auto}
.brand img{height:42px;width:auto}
.menu{display:flex;align-items:center;gap:4px;list-style:none;margin:0;padding:0}
.menu>li{position:relative}
.menu>li>a{display:block;padding:10px 14px;color:var(--navy);font-weight:600;font-size:15px;border-radius:6px}
.menu>li>a:hover{background:rgba(255,255,255,.45);text-decoration:none}
.has-sub>a::after{content:"\25BE";font-size:10px;margin-left:6px;opacity:.7}
.submenu{position:absolute;top:100%;left:0;min-width:230px;background:#fff;border:1px solid var(--line);
  border-radius:8px;box-shadow:0 8px 24px rgba(0,0,0,.14);padding:6px;display:none;list-style:none;margin:0}
/* invisible bridge so the cursor can travel from the menu item to the submenu */
.submenu::before{content:"";position:absolute;top:-10px;left:0;right:0;height:10px}
.menu>li.has-sub:hover .submenu,
.menu>li.has-sub.open .submenu{display:block}
.submenu li a{display:block;padding:9px 12px;border-radius:6px;font-size:14.5px;color:var(--text)}
.submenu li a:hover{background:var(--blue-soft);text-decoration:none}
.lang{display:flex;align-items:center;gap:6px;font-size:13px;font-weight:600;color:var(--navy);
  background:#fff;border:1px solid var(--line);border-radius:6px;padding:5px 9px}
.lang a{color:var(--muted)}
.lang a.active{color:var(--navy)}
.btn-contact{background:var(--navy);color:#fff !important;padding:11px 24px;border-radius:30px;font-weight:600;font-size:15px}
.btn-contact:hover{background:var(--navy-2);text-decoration:none}

/* ---------- Hero ---------- */
.hero{position:relative}
.hero img{width:100%;height:68vh;min-height:440px;max-height:760px;object-fit:cover;display:block}
.hero .hero-title{max-width:var(--maxw);margin:0 auto;padding:20px 22px}
.hero h1{font-size:32px;color:var(--navy);margin:0;font-weight:700}
.page-hero{background:var(--blue-soft);padding:40px 0}
.page-hero h1{margin:0;color:var(--navy);font-size:32px}

/* ---------- Generic sections ---------- */
section{padding:46px 0}
section.tight{padding:30px 0}
h2{color:var(--navy);font-size:25px;margin:0 0 18px;font-weight:700}
h3{color:var(--navy);font-size:19px;margin:0 0 8px;font-weight:700}
p{margin:0 0 14px}
.lead{font-size:17px}

/* Q&A rows (Startseite) */
.qa{border-top:1px solid var(--line)}
.qa .row{display:grid;grid-template-columns:300px 1fr;gap:26px;padding:24px 0;border-bottom:1px solid var(--line);align-items:start}
.qa .row h3{font-size:22px;margin:0}
.qa .row p{margin:0;color:var(--muted)}

/* Solution gray block */
.solution{background:var(--gray-sec)}
.banner{background:var(--blue-accent);color:var(--navy);font-size:24px;font-weight:700;padding:14px 22px;border-radius:4px;margin-bottom:22px}

/* Intro video */
.introvideo{display:block;width:100%;max-height:560px;background:#000;border-radius:6px}
.videoblock{background:#5a6b74;color:#eef3f6;text-align:center;padding:70px 22px;border-radius:6px}
.videoblock .vtitle{font-size:30px;font-weight:700;opacity:.85}
.videocap{font-style:italic;color:var(--muted);text-align:center;margin-top:16px}

/* Advantages */
.adv-wrap{display:grid;grid-template-columns:1fr 1fr;gap:34px;align-items:start}
.accordion details{border:1px solid var(--line);background:var(--blue-soft);border-radius:6px;margin-bottom:10px}
.accordion summary{cursor:pointer;list-style:none;padding:14px 18px;font-weight:600;color:var(--navy);
  display:flex;justify-content:space-between;align-items:center}
.accordion summary::-webkit-details-marker{display:none}
.accordion summary::after{content:"\25BE";transition:transform .2s;opacity:.7}
.accordion details[open] summary::after{transform:rotate(180deg)}
.accordion .body{padding:0 18px 16px;color:var(--muted)}
.adv-img img{border-radius:8px;width:100%;height:100%;object-fit:cover}

/* Cards / grids */
.grid{display:grid;gap:26px}
.grid.cols-2{grid-template-columns:1fr 1fr}
.grid.cols-3{grid-template-columns:repeat(3,1fr)}
.card{border:1px solid var(--line);border-radius:8px;overflow:hidden;background:#fff}
.card img{width:100%;height:200px;object-fit:cover}
.card .pad{padding:18px}
.imgblock img{border-radius:8px;width:100%}
.split{display:grid;grid-template-columns:1fr 1fr;gap:34px;align-items:center}
.split.rev .txt{order:2}

/* Partners */
.logos{display:flex;flex-wrap:wrap;gap:30px;align-items:center}
.logos img{height:70px;width:auto;object-fit:contain;filter:none}

/* CEO */
.ceo{display:grid;grid-template-columns:200px 1fr;gap:26px;align-items:start;
  border:1px solid var(--line);border-radius:8px;padding:22px;background:#fafcfe}
.ceo .avatar{width:200px;height:200px;border-radius:8px;background:var(--blue-soft);
  display:flex;align-items:center;justify-content:center;color:var(--navy);font-size:54px;font-weight:700}
.ceo .mail{color:var(--navy);font-weight:600}

/* Locations */
.loc{border-left:4px solid var(--blue-accent);padding:4px 0 4px 16px;margin-bottom:18px}
.loc strong{color:var(--navy)}

/* Contact */
.contact-wrap{display:grid;grid-template-columns:1.3fr 1fr;gap:40px;align-items:start}
.form-field{margin-bottom:16px}
.form-field label{display:block;font-weight:600;margin-bottom:6px;color:var(--navy)}
.form-field input,.form-field textarea{width:100%;padding:11px 13px;border:1px solid var(--line);
  border-radius:6px;font:inherit;background:#fff}
.form-field textarea{min-height:130px;resize:vertical}
.btn{display:inline-block;background:var(--navy);color:#fff;border:none;padding:12px 30px;border-radius:30px;
  font-weight:600;font-size:15px;cursor:pointer}
.btn:hover{background:var(--navy-2);text-decoration:none}
.contact-alt p{margin:4px 0}

/* CTA footer band */
.cta{background:var(--blue-soft);text-align:left}
.cta .container{display:flex;align-items:center;gap:30px;flex-wrap:wrap;padding-top:36px;padding-bottom:36px}
.cta .btn{white-space:nowrap}
.cta .msg{color:var(--muted);font-size:17px}

/* Footer */
footer.site{background:var(--navy);color:#cdd9e1;padding:40px 0 50px}
footer.site a{color:#cdd9e1}
footer.site .cols{display:flex;flex-wrap:wrap;gap:40px;justify-content:space-between}
footer.site .fcol h4{color:#fff;font-size:14px;text-transform:uppercase;letter-spacing:.5px;margin:0 0 12px}
footer.site .fcol ul{list-style:none;margin:0;padding:0}
footer.site .fcol li{margin:6px 0;font-size:14px}
footer.site .logo-light{height:46px;margin-bottom:14px}
footer.site .legal{margin-top:28px;border-top:1px solid rgba(255,255,255,.15);padding-top:18px;
  display:flex;gap:22px;flex-wrap:wrap;font-size:13px}

/* Legal / text pages */
.legal-page{max-width:860px}
.legal-page h2{margin-top:34px}
.legal-page h3{margin-top:26px;font-size:18px}
.legal-page ul{padding-left:20px}
.legal-page li{margin:6px 0}
.legal-page p{color:var(--text)}
.legal-page .addr{background:var(--blue-soft);border-radius:8px;padding:16px 20px;margin:8px 0 22px}

/* Responsive */
@media (max-width:900px){
  .nav{flex-wrap:wrap;height:auto;padding:12px 16px;gap:10px}
  .menu{flex-wrap:wrap;order:3;width:100%}
  /* On touch/small screens submenus expand inline instead of floating */
  .menu>li.has-sub{width:100%}
  .submenu{position:static;display:none;box-shadow:none;border:none;background:transparent;
    padding:0 0 4px 14px;min-width:0;margin:0}
  .submenu::before{display:none}
  .menu>li.has-sub:hover .submenu{display:none}
  .menu>li.has-sub.open .submenu{display:block}
  .qa .row{grid-template-columns:1fr;gap:6px}
  .adv-wrap,.split,.split.rev .txt,.contact-wrap,.ceo,.grid.cols-2,.grid.cols-3{grid-template-columns:1fr}
  .split.rev .txt{order:0}
  .ceo .avatar{width:140px;height:140px}
}