/* ROHRLINE — helles, industrielles Design mit Blau */
:root{
  --bg:#ffffff;
  --bg-2:#F2F6FB;
  --surface:#ffffff;
  --navy:#06264A;
  --ink:#0E2138;
  --text:#48566A;
  --mute:#8593A5;
  --blue:#0A4C93;
  --blue-2:#1668BE;
  --blue-deep:#003C78;
  --grey:#6C6C78;
  --blue-tint:#E9F1FA;
  --line:#E4EAF1;
  --line-2:#CFDAE7;
  --maxw:1240px;
  --shadow:0 18px 44px rgba(6,38,74,.12);
  --shadow-sm:0 6px 18px rgba(6,38,74,.08);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);font-family:'Inter',system-ui,sans-serif;
  font-size:17px;line-height:1.7;-webkit-font-smoothing:antialiased;overflow-x:hidden}
::selection{background:var(--blue);color:#fff}
a{color:var(--blue);text-decoration:none;transition:color .2s}
img{max-width:100%;display:block}
h1,h2,h3,h4{font-family:'Barlow',sans-serif;color:var(--ink);line-height:1.1;font-weight:700}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 32px}
.eyebrow{font-family:'Barlow',sans-serif;font-weight:600;font-size:13px;letter-spacing:.18em;
  text-transform:uppercase;color:var(--blue)}
.btn{display:inline-flex;align-items:center;gap:9px;font-family:'Barlow',sans-serif;font-weight:600;
  font-size:16px;letter-spacing:.01em;padding:14px 26px;border-radius:8px;transition:.2s;cursor:pointer;border:none}
.btn svg{width:18px;height:18px}
.btn-primary{background:var(--blue);color:#fff;box-shadow:0 8px 22px rgba(11,95,176,.28)}
.btn-primary:hover{background:var(--blue-2);transform:translateY(-2px);box-shadow:0 12px 28px rgba(11,95,176,.38)}
.btn-ghost{background:#fff;color:var(--navy);border:1.5px solid var(--line-2)}
.btn-ghost:hover{border-color:var(--blue);color:var(--blue)}

/* ---------- Header ---------- */
header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.92);
  backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:82px;gap:14px}
.brand{display:flex;align-items:center;gap:11px;flex:none}
.brand-logo{height:54px;width:auto;display:block}
@media(max-width:600px){.brand-logo{height:44px}}
.brand .wordmark{font-family:'Barlow',sans-serif;font-weight:800;font-size:24px;letter-spacing:.02em;
  color:var(--navy);line-height:1}
.brand .wordmark b{color:var(--blue);font-weight:800}
.navlinks{display:flex;gap:24px;font-family:'Barlow',sans-serif;font-weight:600;font-size:15.5px}
.navlinks a{color:var(--navy);white-space:nowrap}
.navlinks a:hover,.navlinks a.active{color:var(--blue)}
.nav-right{display:flex;align-items:center;gap:13px}
.nav-phone{display:inline-flex;align-items:center;gap:7px;font-family:'Barlow',sans-serif;font-weight:600;
  font-size:14.5px;color:var(--navy);white-space:nowrap}
.nav-cta{white-space:nowrap}
@media(max-width:1200px){.nav-phone{display:none}}
.nav-phone svg{width:16px;height:16px;stroke:var(--blue)}
.nav-phone:hover{color:var(--blue)}
.nav-cta{font-family:'Barlow',sans-serif;font-weight:600;font-size:15px;background:var(--blue);color:#fff;
  padding:11px 20px;border-radius:8px;box-shadow:0 8px 20px rgba(11,95,176,.26);transition:.2s}
.nav-cta:hover{background:var(--blue-2);color:#fff;transform:translateY(-1px)}
.lang-btn{display:inline-flex;align-items:center;gap:6px;background:none;border:1px solid var(--line-2);
  border-radius:7px;padding:8px 11px;font-family:'Barlow',sans-serif;font-weight:600;font-size:14px;
  color:var(--navy);cursor:pointer}
.lang-btn:hover{border-color:var(--blue)}
.nav-toggle{display:none;background:none;border:1px solid var(--line-2);border-radius:7px;color:var(--navy);
  width:46px;height:42px;align-items:center;justify-content:center;cursor:pointer}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{display:block;width:20px;height:2px;
  background:currentColor;transition:.25s;position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0}
.nav-toggle span::before{top:-6px}.nav-toggle span::after{top:6px}
header.menu-open .nav-toggle span{background:transparent}
header.menu-open .nav-toggle span::before{top:0;transform:rotate(45deg)}
header.menu-open .nav-toggle span::after{top:0;transform:rotate(-45deg)}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:
  radial-gradient(1200px 500px at 85% -10%, var(--blue-tint), transparent 60%),
  linear-gradient(180deg,#fff 0%,var(--bg-2) 100%)}
.hero::before{content:"";position:absolute;right:-120px;top:-80px;width:520px;height:520px;
  border:60px solid var(--blue-tint);border-radius:50%;opacity:.6;z-index:0}
.hero::after{content:"";position:absolute;right:120px;top:180px;width:230px;height:230px;
  border:34px solid rgba(11,95,176,.10);border-radius:50%;z-index:0}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:40px;
  align-items:center;padding:88px 0 96px}
.hero-slogan{display:inline-flex;align-items:center;gap:12px;font-family:'Barlow',sans-serif;font-weight:700;
  font-size:14px;letter-spacing:.16em;text-transform:uppercase;color:var(--blue);
  background:var(--blue-tint);padding:9px 16px;border-radius:100px;margin-bottom:22px}
.hero h1{font-size:clamp(40px,5.4vw,68px);letter-spacing:-.02em;color:var(--navy)}
.hero h1 b{color:var(--blue);font-weight:700}
.hero p.lead{margin-top:22px;font-size:19px;color:var(--text);max-width:46ch}
.hero-cta{margin-top:34px;display:flex;gap:14px;flex-wrap:wrap}
.hero-meta{margin-top:30px;display:flex;gap:26px;flex-wrap:wrap;font-family:'Barlow',sans-serif;
  font-weight:600;font-size:14px;color:var(--navy)}
.hero-meta span{display:inline-flex;align-items:center;gap:8px}
.hero-meta svg{width:17px;height:17px;stroke:var(--blue)}
/* hero visual: flange graphic */
.hero-visual{position:relative;display:flex;align-items:center;justify-content:center}
.flange{width:min(380px,90%);aspect-ratio:1;border-radius:50%;background:
  conic-gradient(from 0deg, #12467e, #0B5FB0, #2A80DA, #0B5FB0, #12467e);
  box-shadow:var(--shadow);display:flex;align-items:center;justify-content:center;position:relative}
.flange::before{content:"";position:absolute;inset:16%;border-radius:50%;background:var(--bg-2);
  box-shadow:inset 0 6px 24px rgba(13,45,84,.18)}
.flange::after{content:"";position:absolute;inset:31%;border-radius:50%;
  background:#fff;border:8px solid var(--blue-tint)}
.flange .bolt{position:absolute;width:20px;height:20px;border-radius:50%;background:#fff;
  box-shadow:inset 0 2px 5px rgba(13,45,84,.35);z-index:3}

/* ---------- Trustbar ---------- */
.trustbar{background:var(--navy);color:#fff}
.trustbar .tb-wrap{display:flex;flex-wrap:wrap;justify-content:center;gap:14px 34px;padding:20px 32px;
  max-width:var(--maxw);margin:0 auto}
.trustbar .tb{display:inline-flex;align-items:center;gap:9px;font-family:'Barlow',sans-serif;font-weight:600;
  font-size:14.5px;letter-spacing:.02em;color:#DCE6F2}
.trustbar .tb svg{width:17px;height:17px;stroke:var(--blue-2)}

/* ---------- Section base ---------- */
.block{padding:96px 0}
.block.tint{background:var(--bg-2)}
.sec-head{max-width:680px;margin-bottom:44px}
.sec-head h2{font-size:clamp(30px,4vw,44px);letter-spacing:-.01em;margin-top:12px}
.sec-head p{margin-top:14px;font-size:18px;color:var(--text)}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}

/* ---------- Produkte ---------- */
.prod-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.prod{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:30px 28px;
  transition:.25s;position:relative;overflow:hidden}
.prod::after{content:"";position:absolute;left:0;top:0;height:4px;width:0;background:var(--blue);transition:.3s}
.prod:hover{border-color:var(--line-2);box-shadow:var(--shadow);transform:translateY(-4px)}
.prod:hover::after{width:100%}
.prod .ico{width:56px;height:56px;border-radius:12px;background:var(--blue-tint);display:flex;
  align-items:center;justify-content:center;margin-bottom:18px}
.prod .ico svg{width:28px;height:28px;stroke:var(--blue);fill:none;stroke-width:1.7}
.prod h3{font-size:22px;color:var(--navy);margin-bottom:8px}
.prod p{font-size:15.5px;color:var(--text);margin-bottom:14px}
.prod .tags{display:flex;flex-wrap:wrap;gap:7px}
.prod .tag{font-family:'Barlow',sans-serif;font-weight:600;font-size:12px;letter-spacing:.04em;
  color:var(--blue);background:var(--blue-tint);padding:4px 10px;border-radius:100px}

/* ---------- Consulting band ---------- */
.consult{background:linear-gradient(120deg,var(--navy),#123a63);color:#fff;border-radius:20px;
  padding:56px 56px;display:grid;grid-template-columns:1.3fr .7fr;gap:36px;align-items:center;
  box-shadow:var(--shadow);position:relative;overflow:hidden}
.consult::before{content:"";position:absolute;right:-80px;bottom:-100px;width:340px;height:340px;
  border:50px solid rgba(255,255,255,.06);border-radius:50%}
.consult .eyebrow{color:var(--blue-2)}
.consult h2{color:#fff;font-size:clamp(28px,3.4vw,38px);margin-top:12px}
.consult p{color:#C9D6E6;margin-top:14px;font-size:17px;max-width:52ch}
.consult-actions{display:flex;flex-direction:column;gap:12px;position:relative;z-index:2}
.consult .btn-primary{background:#fff;color:var(--navy)}
.consult .btn-primary:hover{background:var(--blue-tint)}
.consult ul{list-style:none;margin-top:18px;display:flex;flex-wrap:wrap;gap:10px 20px}
.consult li{display:inline-flex;align-items:center;gap:9px;font-family:'Barlow',sans-serif;font-weight:600;
  font-size:15px;color:#DCE6F2}
.consult li svg{width:18px;height:18px;stroke:var(--blue-2)}

/* ---------- USP ---------- */
.usp-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.usp{text-align:left}
.usp .n{font-family:'Barlow',sans-serif;font-weight:800;font-size:15px;color:var(--blue);
  letter-spacing:.1em}
.usp h3{font-size:20px;color:var(--navy);margin:10px 0 8px}
.usp p{font-size:15px;color:var(--text)}
.usp .bar{width:38px;height:3px;background:var(--blue);border-radius:3px;margin-top:6px}

/* ---------- CTA ---------- */
.cta-band{background:var(--blue-tint);border-radius:20px;padding:56px;text-align:center;
  position:relative;overflow:hidden}
.cta-band h2{font-size:clamp(28px,3.6vw,40px);color:var(--navy)}
.cta-band p{margin:14px auto 26px;max-width:56ch;color:var(--text);font-size:18px}
.cta-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* ---------- Footer ---------- */
footer{background:var(--navy);color:#B6C4D6;font-size:15px}
.foot-top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;padding:64px 0 40px}
.foot-brand .wordmark{font-family:'Barlow',sans-serif;font-weight:800;font-size:24px;color:#fff}
.foot-brand .wordmark b{color:var(--blue-2)}
.foot-brand p{margin-top:14px;max-width:34ch;color:#93A4B8;font-size:14.5px}
.foot-col h5{font-family:'Barlow',sans-serif;font-weight:700;font-size:14px;letter-spacing:.1em;
  text-transform:uppercase;color:#fff;margin-bottom:16px}
.foot-col a,.foot-col span{display:block;color:#A9BACD;margin-bottom:10px;font-size:15px}
.foot-col a:hover{color:#fff}
.foot-bottom{border-top:1px solid rgba(255,255,255,.10);padding:20px 0;display:flex;
  justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:13.5px;color:#8395AA;
  font-family:'Barlow',sans-serif}
.foot-bottom a{color:#8395AA}.foot-bottom a:hover{color:#fff}

/* ---------- Reveal ---------- */
.reveal{opacity:0;transform:translateY(20px);transition:opacity .6s,transform .6s}
.reveal.in{opacity:1;transform:none}

/* ---------- Responsive ---------- */
@media(max-width:960px){
  .hero-inner{grid-template-columns:1fr;padding:60px 0 64px}
  .hero-visual{display:none}
  .prod-grid{grid-template-columns:repeat(2,1fr)}
  .usp-grid{grid-template-columns:repeat(2,1fr)}
  .consult{grid-template-columns:1fr;padding:40px}
  .foot-top{grid-template-columns:1fr 1fr}
}
@media(max-width:760px){
  .navlinks,.nav-phone{display:none}
  .nav-toggle{display:inline-flex}
  .nav-cta{display:none}
  .navlinks{position:absolute;top:100%;left:0;right:0;flex-direction:column;gap:0;background:#fff;
    border-bottom:1px solid var(--line);padding:6px 0;transform:translateY(-8px);opacity:0;
    pointer-events:none;transition:.25s}
  header.menu-open .navlinks{display:flex;transform:none;opacity:1;pointer-events:auto}
  .navlinks a{padding:14px 32px;border-bottom:1px solid var(--line)}
}
@media(max-width:560px){
  .wrap{padding:0 20px}
  .prod-grid{grid-template-columns:1fr}
  .usp-grid{grid-template-columns:1fr}
  .foot-top{grid-template-columns:1fr}
  .block{padding:64px 0}
}

/* ===== Subpages ===== */
.subhero{background:linear-gradient(180deg,#fff,var(--bg-2));border-bottom:1px solid var(--line);
  padding:66px 0 56px}
.subhero .eyebrow{display:inline-block}
.subhero h1{font-size:clamp(34px,5vw,56px);color:var(--navy);margin-top:12px;letter-spacing:-.02em}
.subhero p.lead{margin-top:16px;font-size:19px;color:var(--text);max-width:62ch}

/* service items */
.svc-list{display:flex;flex-direction:column;gap:20px}
.svc{display:grid;grid-template-columns:64px 1fr;gap:22px;background:#fff;border:1px solid var(--line);
  border-radius:14px;padding:28px 30px;transition:.2s}
.svc:hover{box-shadow:var(--shadow);border-color:var(--line-2)}
.svc .svc-ico{width:64px;height:64px;border-radius:12px;background:var(--blue-tint);display:flex;
  align-items:center;justify-content:center}
.svc .svc-ico svg{width:30px;height:30px;stroke:var(--blue);fill:none;stroke-width:1.7}
.svc h3{font-size:22px;color:var(--navy);margin-bottom:8px}
.svc p{color:var(--text);font-size:16px}
.svc ul{margin-top:12px;padding-left:0;list-style:none;display:flex;flex-wrap:wrap;gap:8px 20px}
.svc ul li{display:inline-flex;align-items:center;gap:8px;font-size:14.5px;color:var(--navy);font-weight:500}
.svc ul li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--blue);flex:none}
@media(max-width:560px){.svc{grid-template-columns:1fr}.svc .svc-ico{width:52px;height:52px}}

/* produkt detail */
.pd{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.pd-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:30px;
  border-top:4px solid var(--blue);transition:.2s}
.pd-card:hover{box-shadow:var(--shadow)}
.pd-card .sub{font-family:'Barlow',sans-serif;font-weight:600;font-size:13px;letter-spacing:.08em;
  text-transform:uppercase;color:var(--blue);margin-bottom:8px}
.pd-card h3{font-size:23px;color:var(--navy);margin-bottom:10px}
.pd-card p{color:var(--text);font-size:15.5px;margin-bottom:16px}
.pd-card .specs{display:flex;flex-wrap:wrap;gap:8px}
.pd-card .specs span{font-family:'Barlow',sans-serif;font-weight:600;font-size:12.5px;color:var(--navy);
  background:var(--bg-2);border:1px solid var(--line);padding:5px 12px;border-radius:100px}
@media(max-width:760px){.pd{grid-template-columns:1fr}}

/* simple content (legal/kontakt) */
.rich h2{font-size:26px;color:var(--navy);margin:34px 0 12px}
.rich h3{font-size:19px;color:var(--navy);margin:22px 0 8px}
.rich p,.rich li{color:var(--text);font-size:16px;margin-bottom:12px}
.rich ul{padding-left:22px;margin-bottom:12px}
.rich a{color:var(--blue)}
.info-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:8px}
.info-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:26px 28px;border-top:4px solid var(--blue)}
.info-card h3{font-size:18px;color:var(--navy);margin-bottom:10px}
.info-card a,.info-card p{display:block;color:var(--text);font-size:15.5px;margin-bottom:6px}
.info-card a:hover{color:var(--blue)}
@media(max-width:760px){.info-grid{grid-template-columns:1fr}}

/* ===== Sprachumschalter (Flaggen-Dropdown) ===== */
.lang-switch{position:relative;display:inline-block}
.lang-switch .lang-btn{position:relative}
.lang-btn .caret{color:var(--mute);font-size:10px;margin-left:2px}
.lang-menu{position:absolute;top:100%;right:0;margin-top:4px;min-width:172px;background:#fff;
  border:1px solid var(--line);border-radius:10px;box-shadow:var(--shadow);padding:6px;display:none;z-index:80}
.lang-switch:hover .lang-menu,.lang-switch:focus-within .lang-menu,.lang-switch.open .lang-menu{display:block}
.lang-btn::after{content:"";position:absolute;left:0;right:0;top:100%;height:8px}
.lang-menu a{display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:7px;
  color:var(--navy);font-family:'Inter',sans-serif;font-size:14.5px;font-weight:500}
.lang-menu a:hover{background:var(--bg-2)}
.lang-menu a.active{color:var(--blue);font-weight:700}
.lang-menu .flag{font-size:16px;line-height:1}

/* ===== Cookie-Hinweis ===== */
.cookie-banner{position:fixed;left:16px;right:16px;bottom:16px;max-width:940px;margin:0 auto;z-index:200;
  background:#fff;border:1px solid var(--line);border-left:4px solid var(--blue);border-radius:12px;
  box-shadow:var(--shadow);padding:16px 20px;display:flex;gap:18px;align-items:center;
  justify-content:space-between;flex-wrap:wrap;animation:cookieUp .35s ease}
@keyframes cookieUp{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
.cookie-banner p{margin:0;font-size:14px;line-height:1.5;color:var(--text);max-width:66ch}
.cookie-banner a{color:var(--blue);font-weight:600}
.cookie-banner button{flex:none;background:var(--blue);color:#fff;border:none;border-radius:8px;
  font-family:'Barlow',sans-serif;font-weight:600;font-size:14px;padding:11px 24px;cursor:pointer;transition:.2s}
.cookie-banner button:hover{background:var(--blue-2)}
@media(max-width:560px){.cookie-banner{flex-direction:column;align-items:stretch;text-align:left}
  .cookie-banner button{width:100%}}

/* ===== SCC-Zertifizierung ===== */
.scc-badge{background:var(--blue-tint);border:1px solid #cfe0f3;border-left:4px solid var(--blue);
  border-radius:14px;padding:22px 26px;margin:0 0 28px;display:flex;gap:18px;align-items:flex-start}
.scc-badge .scc-mark{flex:none;width:54px;height:54px;border-radius:10px;background:var(--blue);color:#fff;
  font-family:'Barlow',sans-serif;font-weight:800;font-size:16px;letter-spacing:.03em;
  display:flex;align-items:center;justify-content:center}
.scc-badge h3{font-size:20px;color:var(--navy);margin:0 0 6px}
.scc-badge p{font-size:15.5px;color:var(--text);margin:0}
@media(max-width:560px){.scc-badge{flex-direction:column;gap:12px}}
.scc-cert{display:block;font-family:'Barlow',sans-serif;font-size:12.5px;letter-spacing:.02em;
  color:var(--mute);margin-top:10px}