/* STV Dienstleistungen | Gebäudereinigung – gemeinsames Stylesheet */
:root{--navy:#0f2a4a;--navy2:#163a63;--deep:#0b1e36;--ink:#14202e;--muted:#5a6676;--line:#dfe5ec;--soft:#f3f6f9;--accent:#e9962b;--accent-d:#c97813;--sky:#5ec4ef;--skyl:#e4f5fd;--green:#7fa51b}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
html,body{overflow-x:hidden}
body{font-family:"Manrope",system-ui,-apple-system,"Segoe UI",sans-serif;color:var(--ink);background:#fff;line-height:1.6;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px}
.wrap{max-width:1200px;margin:0 auto;padding:0 20px}
.skip{position:absolute;left:-999px;top:0;background:var(--accent);color:#fff;padding:10px 16px;z-index:100}
.skip:focus{left:10px;top:10px}
svg.i{width:24px;height:24px;stroke:var(--navy);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}

/* Kopf */
.topbar{background:var(--navy);color:#c4d2e3;font-size:13px}
.topbar .wrap{display:flex;justify-content:space-between;gap:16px;height:38px;align-items:center}
.topbar b{color:#fff;font-weight:600}
.topbar a:hover b{color:var(--accent)}
header.site{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:40}
.nav{display:flex;align-items:center;justify-content:space-between;height:80px;gap:20px}
.topbar .wrap,header.site .wrap{max-width:1360px}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand img{height:52px;width:auto}
.brand .wm{display:block;font-weight:800;color:var(--navy);font-size:16px;letter-spacing:.3px;line-height:1.15;text-transform:uppercase;white-space:nowrap}
.brand .wm span{color:var(--accent);padding:0 6px;font-weight:400}
.brand .slogan{display:block;font-size:12.5px;font-weight:600;font-style:italic;color:var(--green);letter-spacing:.3px;margin-top:3px}
.menu{display:flex;gap:22px;font-weight:600;font-size:15px;color:#344255;white-space:nowrap;align-items:center}
.menu a{position:relative;padding:6px 0}
.menu a:hover,.menu a[aria-current]{color:var(--navy)}
.menu a[aria-current]:after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--accent)}
.dd{position:relative}
.dd>button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;padding:6px 0;display:flex;gap:6px;align-items:center}
.dd>button:after{content:"";width:7px;height:7px;border-right:2px solid currentColor;border-bottom:2px solid currentColor;transform:rotate(45deg) translateY(-3px)}
.dd-menu{position:absolute;top:100%;left:-18px;background:#fff;border:1px solid var(--line);border-radius:10px;box-shadow:0 20px 40px rgba(15,42,74,.12);padding:10px;min-width:280px;display:none}
.dd:hover .dd-menu,.dd:focus-within .dd-menu{display:block}
.dd-menu a{display:block;padding:10px 12px;border-radius:6px}
.dd-menu a:hover{background:var(--soft)}
.dd-menu a:after{display:none}
.burger{display:none;background:none;border:1px solid var(--line);border-radius:8px;width:46px;height:46px;cursor:pointer;align-items:center;justify-content:center}
.burger span,.burger span:before,.burger span:after{display:block;width:20px;height:2px;background:var(--navy);position:relative;transition:.2s}
.burger span:before,.burger span:after{content:"";position:absolute;left:0}
.burger span:before{top:-6px}.burger span:after{top:6px}
.open .burger span{background:transparent}.open .burger span:before{top:0;transform:rotate(45deg)}.open .burger span:after{top:0;transform:rotate(-45deg)}
.mnav{display:none}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:700;font-size:15px;padding:14px 22px;border-radius:6px;transition:.15s;white-space:nowrap;border:0;cursor:pointer;font-family:inherit}
.btn-a{background:var(--accent);color:#fff}.btn-a:hover{background:var(--accent-d)}
.btn-l{border:1.5px solid rgba(255,255,255,.45);color:#fff}.btn-l:hover{background:rgba(255,255,255,.1)}
.btn-n{background:var(--navy);color:#fff}.btn-n:hover{background:var(--navy2)}
.btn-o{border:1.5px solid var(--line);color:var(--navy);background:#fff}.btn-o:hover{border-color:var(--navy)}
.btns{display:flex;gap:12px;flex-wrap:wrap}

/* Startseite: Kopfbereich mit Video */
.hero{position:relative;color:#fff;overflow:hidden;background:var(--navy) url(../video/hero-poster.jpg) center/cover;min-height:640px;display:flex;align-items:center}
.hero-media{position:absolute;inset:0;z-index:0}
.hero-media video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;transition:opacity 1.2s ease}
.hero-media video.on{opacity:1}
.hero:after{content:"";position:absolute;inset:0;z-index:1;background:linear-gradient(90deg,rgba(11,30,54,.94) 0%,rgba(11,30,54,.82) 38%,rgba(11,30,54,.35) 70%,rgba(11,30,54,.15) 100%),linear-gradient(0deg,rgba(11,30,54,.55) 0%,transparent 35%)}
.hero .wrap{position:relative;z-index:2;width:100%}
.hero-grid{padding:80px 0 120px;max-width:660px}
.over{display:inline-block;font-size:13px;font-weight:700;letter-spacing:2px;text-transform:uppercase;color:var(--sky);margin-bottom:18px}
h1{font-size:clamp(32px,4.2vw,54px);line-height:1.1;font-weight:800;letter-spacing:-1px;margin-bottom:20px}
.hero h1{text-shadow:0 2px 20px rgba(0,0,0,.25)}
h1 .acc{color:var(--accent)}
.lead{color:#dbe5f0;font-size:18px;max-width:580px;margin-bottom:32px}
.checks{display:grid;grid-template-columns:1fr 1fr;gap:10px 24px;margin-top:34px;font-size:15px;color:#e6edf5;max-width:520px}
.checks span,.tick li{display:flex;gap:10px;align-items:flex-start}
.checks span:before,.tick li:before{content:"";flex:0 0 18px;height:18px;margin-top:3px;border-radius:50%;background:var(--accent) url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 18 18"><path d="M5 9.3l2.6 2.6L13 6.5" stroke="white" stroke-width="2" fill="none" stroke-linecap="round"/></svg>') center/100% no-repeat}
.vctl{position:absolute;right:20px;bottom:70px;z-index:3;width:42px;height:42px;border-radius:50%;border:1.5px solid rgba(255,255,255,.5);background:rgba(11,30,54,.4);color:#fff;cursor:pointer;display:grid;place-items:center;font-size:14px}
.vctl:hover{background:rgba(11,30,54,.7)}

/* Unterseiten: Kopfbereich */
.phero{position:relative;background:var(--navy);color:#fff;overflow:hidden}
.phero.img{background-size:cover;background-position:center}
.phero:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(11,30,54,.95) 0%,rgba(11,30,54,.85) 45%,rgba(11,30,54,.45) 100%)}
.phero .wrap{position:relative;z-index:1;padding-top:56px;padding-bottom:64px}
.phero h1{max-width:760px}
.phero .lead{margin-bottom:28px}
.crumbs{font-size:13px;color:#a9bbd0;margin-bottom:22px}
.crumbs a:hover{color:#fff}
.crumbs span{margin:0 8px;opacity:.6}

/* Nachweis-Leiste */
.proof{display:grid;grid-template-columns:repeat(4,1fr);background:#fff;border:1px solid var(--line);border-radius:10px;margin-top:-50px;position:relative;z-index:3;box-shadow:0 20px 50px rgba(15,42,74,.12)}
.proof>div{display:flex;gap:14px;align-items:center;padding:24px 22px;border-right:1px solid var(--line)}
.proof>div:last-child{border:0}
.ic{flex:0 0 46px;height:46px;border-radius:10px;background:var(--skyl);display:grid;place-items:center}
.proof b{display:block;color:var(--navy);font-size:15px;line-height:1.3}
.proof span{font-size:13px;color:var(--muted)}

/* Abschnitte */
section{padding:96px 0}
section.soft{background:var(--soft)}
section.tight{padding-top:0}
.head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:46px;flex-wrap:wrap}
.kick{font-size:13px;font-weight:700;letter-spacing:2px;text-transform:uppercase;color:var(--accent);margin-bottom:10px}
h2{font-size:clamp(26px,3.2vw,40px);color:var(--navy);line-height:1.15;letter-spacing:-.6px;max-width:700px}
h3{color:var(--navy);line-height:1.3}
.head p{color:var(--muted);max-width:430px}
.muted{color:var(--muted)}

/* Leistungen */
.svc{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:10px;overflow:hidden}
.svc a{background:#fff;padding:32px;transition:.15s;display:flex;flex-direction:column}
.svc a:hover{background:var(--soft)}
.svc .ic{width:52px;height:52px;margin-bottom:20px}
.svc .ic svg{width:28px;height:28px}
.svc h3{font-size:19px;margin-bottom:8px}
.svc p{color:var(--muted);font-size:15px;flex:1}
.svc ul{list-style:none;margin:14px 0 0;font-size:14px;color:#3b4859}
.svc li{padding:3px 0 3px 18px;position:relative}
.svc li:before{content:"";position:absolute;left:0;top:11px;width:8px;height:2px;background:var(--accent)}
.more{margin-top:18px;font-weight:700;font-size:14px;color:var(--navy)}

/* Branchen */
.sectors{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.sectors>a,.sectors>div{border:1px solid var(--line);border-radius:10px;padding:22px;background:#fff;transition:.15s;display:flex;gap:14px;align-items:flex-start}
.sectors>a:hover{border-color:var(--navy);box-shadow:0 10px 26px rgba(15,42,74,.08)}
.sectors .ic{flex:0 0 42px;height:42px;border-radius:8px;background:var(--soft)}
.sectors b{display:block;color:var(--navy);font-size:16px;line-height:1.3}
.sectors span{font-size:13px;color:var(--muted)}

/* Ablauf */
.proc{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;counter-reset:s}
.proc>div{position:relative;padding-top:58px}
.proc>div:before{counter-increment:s;content:counter(s,decimal-leading-zero);position:absolute;top:0;left:0;font-weight:800;font-size:15px;color:#fff;background:var(--navy);width:42px;height:42px;border-radius:50%;display:grid;place-items:center}
.proc>div:after{content:"";position:absolute;top:21px;left:52px;right:-14px;height:1px;background:#c9d3de}
.proc>div:last-child:after{display:none}
.proc h3{font-size:18px;margin-bottom:6px}
.proc p{color:var(--muted);font-size:15px}

/* Vorteile + Karte */
.usp{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center}
.usp ul{list-style:none}
.usp li{display:grid;grid-template-columns:52px 1fr;gap:16px;padding:22px 0;border-bottom:1px solid var(--line)}
.usp li b{color:var(--navy);font-size:18px;display:block}
.usp li span{color:var(--muted)}
.usp .n{font-weight:800;color:var(--accent);font-size:22px}
.card{background:var(--soft);border-radius:12px;padding:36px;border:1px solid var(--line)}
.card.white{background:#fff}
.person{display:flex;gap:16px;align-items:center;margin-bottom:22px}
.avatar{width:76px;height:76px;border-radius:50%;background:#fff;border:1px solid var(--line);display:grid;place-items:center;overflow:hidden;flex-shrink:0}
.avatar img{width:86%}
.person b{display:block;color:var(--navy);font-size:19px}
.card .row{display:flex;justify-content:space-between;gap:12px;padding:12px 0;border-top:1px solid var(--line);font-size:15px}
.card .row span{color:var(--muted)}
.card .row a:hover{color:var(--accent-d)}

/* Einsatzgebiet */
.area{display:grid;grid-template-columns:.9fr 1.1fr;gap:56px;align-items:start}
.area p{color:var(--muted);margin:16px 0 24px}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chips span{border:1px solid var(--line);border-radius:99px;padding:8px 14px;font-size:14px;color:#344255;background:#fff}
.chips span.base{background:var(--navy);color:#fff;border-color:var(--navy)}

/* Hinweisbox, CTA */
.privat{display:grid;grid-template-columns:1fr auto;gap:30px;align-items:center;border:1px solid var(--line);border-radius:12px;padding:34px 38px;background:#fff}
.privat h3{font-size:22px;margin-bottom:6px}
.privat p{color:var(--muted)}
.cta{background:var(--navy);color:#fff;border-radius:12px;padding:52px;display:grid;grid-template-columns:1.3fr .7fr;gap:30px;align-items:center}
.cta h2{color:#fff}.cta p{color:#c8d5e5;margin-top:10px}
.cta .btns{justify-content:flex-end}

/* Fließtext-Seiten */
.cols{display:grid;grid-template-columns:1.25fr .75fr;gap:56px;align-items:start}
.prose{font-size:17px;color:#2b3747}
.prose h2{font-size:clamp(24px,2.6vw,32px);margin:44px 0 14px}
.prose h2:first-child{margin-top:0}
.prose h3{font-size:19px;margin:28px 0 8px}
.prose p{margin-bottom:14px}
.prose ul{margin:0 0 16px 20px}
.prose li{margin-bottom:6px}
.prose a{color:var(--navy);text-decoration:underline;text-underline-offset:3px}
.tick{list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:10px 24px;margin:6px 0 20px!important}
.tick li{margin:0!important}
.aside{position:sticky;top:110px;display:grid;gap:18px}
.aside .card h3{font-size:19px;margin-bottom:8px}
.aside .card p{color:var(--muted);font-size:15px;margin-bottom:18px}
.aside .btn{width:100%}
.links{list-style:none}
.links a{display:flex;justify-content:space-between;padding:10px 0;border-top:1px solid var(--line);font-weight:600;color:var(--navy);font-size:15px}
.links a:hover{color:var(--accent-d)}
.links a[aria-current]{color:var(--accent-d)}

/* FAQ */
.faq{max-width:860px}
.faq details{border-bottom:1px solid var(--line);padding:4px 0}
.faq summary{list-style:none;cursor:pointer;padding:18px 40px 18px 0;font-weight:700;color:var(--navy);font-size:17px;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary:after{content:"+";position:absolute;right:6px;top:14px;font-size:24px;font-weight:400;color:var(--accent)}
.faq details[open] summary:after{content:"–"}
.faq details p{color:var(--muted);padding:0 0 18px;max-width:760px}

/* Formular */
.form{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form .full{grid-column:1/-1}
.form label{display:block;font-weight:700;font-size:14px;color:var(--navy);margin-bottom:6px}
.form label small{font-weight:500;color:var(--muted)}
.form input,.form select,.form textarea{width:100%;font:inherit;font-size:16px;padding:13px 14px;border:1.5px solid var(--line);border-radius:6px;background:#fff;color:var(--ink)}
.form input:focus,.form select:focus,.form textarea:focus{outline:none;border-color:var(--navy)}
.form textarea{min-height:130px;resize:vertical}
.form .check{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--muted);font-weight:500}
.form .check input{width:20px;height:20px;margin-top:2px;flex-shrink:0}
.form .check a{text-decoration:underline}
.hp{position:absolute;left:-9999px}

/* Fuß */
footer.site{background:var(--navy);color:#c4d2e3;font-size:14px;padding:56px 0 30px}
.fgrid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:30px;padding-bottom:30px;border-bottom:1px solid rgba(255,255,255,.12)}
.fgrid b{color:#fff;display:block;margin-bottom:10px}
.fgrid a{display:block;padding:3px 0}.fgrid a:hover{color:#fff}
.fgrid .slogan{color:#b8d66a;font-style:italic;margin-top:10px;display:block}
.fbot{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;padding-top:22px;font-size:13px}
.wa-float{position:fixed;right:18px;bottom:18px;z-index:50;width:56px;height:56px;border-radius:50%;background:#25d366;display:grid;place-items:center;box-shadow:0 10px 24px rgba(0,0,0,.2);transition:.15s}
.wa-float:hover{transform:scale(1.06)}
body.menu-open .wa-float{display:none}
.wa-float svg{width:30px;height:30px;fill:#fff}

/* Responsiv */
@media(max-width:1360px){.menu{gap:15px;font-size:14px}.nav>.btn{padding:11px 14px;font-size:14px}.brand .wm{font-size:15px}.nav{gap:14px}}
@media(max-width:1200px){
  .menu,.nav>.btn{display:none}.burger{display:flex}
  .mnav{display:block;position:absolute;top:100%;left:0;right:0;height:calc(100vh - 80px);height:calc(100dvh - 80px);background:#fff;border-top:1px solid var(--line);z-index:39;padding:20px;overflow-y:auto;transform:translateX(100%);transition:transform .25s;visibility:hidden}
  .open .mnav{transform:none;visibility:visible}
  .mnav a{display:block;padding:14px 4px;border-bottom:1px solid var(--line);font-weight:700;color:var(--navy);font-size:17px}
  .mnav .sub a{font-weight:500;font-size:15px;padding:10px 4px 10px 18px;color:#344255}
  .mnav .btn{margin-top:20px;width:100%;color:#fff;border:0}
}
@media(max-width:960px){
  .usp,.cta,.area,.cols{grid-template-columns:1fr}
  .hero:after{background:linear-gradient(0deg,rgba(11,30,54,.95) 0%,rgba(11,30,54,.80) 55%,rgba(11,30,54,.55) 100%)}
  .hero-grid{padding:56px 0 100px}.hero{min-height:0}
  .proof{grid-template-columns:1fr 1fr}.proof>div:nth-child(2){border-right:0}.proof>div:nth-child(-n+2){border-bottom:1px solid var(--line)}
  .svc,.sectors{grid-template-columns:1fr 1fr}
  .proc{grid-template-columns:1fr 1fr}.proc>div:after{display:none}
  .cta .btns{justify-content:flex-start}.topbar .hide{display:none}
  .fgrid{grid-template-columns:1fr 1fr}.privat{grid-template-columns:1fr}
  .aside{position:static}
  section{padding:72px 0}
}
@media(max-width:560px){
  .svc,.proc,.sectors,.proof,.checks,.tick,.form{grid-template-columns:1fr}
  .proof>div{border-right:0!important;border-bottom:1px solid var(--line)}
  .cta{padding:30px}.brand .wm{font-size:13.5px}.brand .wm span{display:block;padding:0;height:0;overflow:hidden}.brand img{height:44px}.brand .slogan{font-size:11.5px}
  .fgrid{grid-template-columns:1fr}.privat{padding:26px}.card{padding:26px}
  .topbar .wrap>span:first-child{font-size:12px}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.hero-media video,.mnav{transition:none}}

/* Platzhalter für fehlende Angaben (vor dem Livegang entfernen) */
.fehlt{background:#fff3c4;color:#7a5a00;padding:1px 6px;border-radius:4px;font-weight:700;font-size:.92em}