:root{--ink:#0b0b0b;--paper:#fff;--soft:#f4f4f2;--line:#d8d8d3;--muted:#62625d;--max:1220px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:Arial,Helvetica,sans-serif;font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased}a{color:inherit}.container{width:min(calc(100% - 48px),var(--max));margin:auto}.site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.94);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}.header-inner{height:88px;display:flex;align-items:center;justify-content:space-between}.brand{text-decoration:none;display:flex;flex-direction:column;line-height:1}.brand-mark{font-size:24px;font-weight:900;letter-spacing:.28em}.brand-sub{font-size:8px;letter-spacing:.17em;margin-top:8px}.main-nav{display:flex;gap:30px;align-items:center}.main-nav a{text-decoration:none;font-size:13px;font-weight:700;letter-spacing:.02em;padding:33px 0 27px;border-bottom:2px solid transparent}.main-nav a:hover,.main-nav a.active{border-color:var(--ink)}.nav-toggle{display:none;background:none;border:0;font-weight:800}.skip-link{position:absolute;left:-9999px}.hero{min-height:690px;border-bottom:1px solid var(--line);display:flex;align-items:stretch}.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:80px;align-items:center}.brand-hero{margin-bottom:42px}.brand-hero .brand-mark{font-size:76px;letter-spacing:.24em}.brand-hero .brand-sub{font-size:13px;margin-top:15px}.hero h1{font-size:clamp(32px,3.45vw,50px);line-height:1.04;letter-spacing:-.04em;max-width:850px;margin:0;font-weight:850}.short-rule{width:74px;height:4px;background:#111;margin:35px 0}.hero-audience{font-size:17px;font-weight:700}.hero-actions{display:flex;align-items:center;gap:28px;margin-top:36px}.btn{display:inline-block;background:#0b0b0b;color:#fff;text-decoration:none;padding:15px 22px;font-size:13px;font-weight:800;letter-spacing:.04em;border:1px solid #0b0b0b;transition:.2s}.btn:hover{background:#fff;color:#0b0b0b}.btn-small{padding:12px 16px}.text-link{font-size:13px;font-weight:800;text-decoration:none;border-bottom:1px solid}.hero-visual{height:520px;position:relative;overflow:hidden;background:linear-gradient(135deg,#1b1b1b,#777 48%,#e5e5e5);filter:grayscale(1)}.hero-visual:before{content:"";position:absolute;inset:-15%;background:repeating-linear-gradient(115deg,transparent 0 48px,rgba(255,255,255,.13) 49px 51px);transform:rotate(-6deg)}.pipe{position:absolute;border:28px solid rgba(255,255,255,.82);border-radius:50%;width:240px;height:240px;right:-60px;top:85px;box-shadow:0 0 0 20px rgba(0,0,0,.18)}.pipe-2{width:150px;height:150px;right:170px;top:260px;border-width:18px;opacity:.5}.gridline{position:absolute;background:rgba(0,0,0,.45)}.gridline-1{height:2px;width:100%;top:62%}.gridline-2{width:2px;height:100%;left:38%}.gridline-3{height:1px;width:80%;top:28%;left:10%}.section{padding:112px 0}.section-tight{padding-top:0}.section-alt{background:var(--soft)}.narrow-left{max-width:920px;margin-left:max(24px,calc((100vw - var(--max))/2))}.eyebrow{text-transform:uppercase;font-size:11px;letter-spacing:.18em;font-weight:900;margin:0 0 18px}.section h2{font-size:clamp(30px,3.45vw,50px);line-height:1.05;letter-spacing:-.035em;margin:0 0 30px}.narrow-left>p:not(.eyebrow){max-width:850px;font-size:19px}.split-cards{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid var(--ink);border-bottom:1px solid var(--ink)}.audience-card{padding:54px 56px 58px 0}.audience-card+ .audience-card{border-left:1px solid var(--ink);padding-left:56px}.card-index,.services-grid article>span{font-size:11px;font-weight:900;letter-spacing:.12em}.audience-card h2{font-size:32px;margin:22px 0 16px}.audience-card h3{font-size:18px;margin:0 0 22px}.service-line{font-size:14px;color:var(--muted);margin:28px 0}.centered{text-align:center;max-width:780px;margin:0 auto 60px}.services-grid{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);border-left:1px solid var(--line)}.services-grid article{min-height:270px;padding:32px;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}.services-grid h3{font-size:20px;line-height:1.2;margin:45px 0 15px}.services-grid p{font-size:15px;color:var(--muted)}.cta-strip{margin-top:48px;border-top:1px solid var(--ink);padding-top:28px;display:flex;justify-content:space-between;gap:30px;align-items:center}.two-col{display:grid;grid-template-columns:.9fr 1.1fr;gap:90px;align-items:center}.why-visual{height:470px;background:linear-gradient(150deg,#ddd,#555 55%,#111);position:relative;overflow:hidden}.why-visual:after{content:"";position:absolute;width:80%;height:160%;left:20%;top:-30%;border:35px solid rgba(255,255,255,.6);transform:rotate(28deg)}.values-grid{display:grid;grid-template-columns:repeat(5,1fr);margin-top:75px;border-top:1px solid var(--ink)}.values-grid article{padding:26px 25px 0 0}.values-grid h3{font-size:17px}.values-grid p{font-size:14px;color:var(--muted)}.contact-cta{background:#0b0b0b;color:#fff}.cta-grid{display:grid;grid-template-columns:1fr auto;gap:80px;align-items:end}.contact-cta .btn{background:#fff;color:#000;border-color:#fff}.contact-cta .btn:hover{background:#000;color:#fff}.site-footer{background:#0b0b0b;color:#fff;border-top:1px solid #333;padding:48px 0}.footer-grid{display:grid;grid-template-columns:1fr auto;gap:40px}.footer-links{display:flex;gap:20px;font-size:13px}.footer-links a{color:#fff}.page-hero{padding:105px 0 70px;border-bottom:1px solid var(--line)}.page-hero h1{font-size:clamp(32px,3.45vw,50px);line-height:1.04;letter-spacing:-.04em;margin:0;max-width:1000px}.page-hero p{font-size:20px;max-width:760px;margin-top:28px}.content-grid{display:grid;grid-template-columns:280px 1fr;gap:80px}.content-grid h2{font-size:34px}.content-grid h3{font-size:20px}.content-grid section{padding-bottom:60px;border-bottom:1px solid var(--line);margin-bottom:60px}.legal{max-width:900px}.legal h2{font-size:27px;margin-top:50px}.contact-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:90px}.contact-form label{display:block;font-size:12px;font-weight:800;margin:18px 0 6px}.contact-form input,.contact-form textarea{width:100%;border:0;border-bottom:1px solid #999;padding:12px 2px;background:transparent;font:inherit}.contact-form textarea{min-height:140px}.contact-form button{margin-top:25px}.notice{padding:20px;border:1px solid var(--line);font-size:14px}.fade-up{opacity:0;transform:translateY(16px);transition:.6s ease}.fade-up.visible{opacity:1;transform:none}@media(max-width:900px){.container{width:min(calc(100% - 32px),var(--max))}.header-inner{height:72px}.main-nav{display:none;position:absolute;left:0;right:0;top:72px;background:#fff;padding:20px 24px 30px;flex-direction:column;align-items:flex-start;border-bottom:1px solid var(--line)}.main-nav.open{display:flex}.main-nav a{padding:8px 0}.nav-toggle{display:block}.brand-mark{font-size:19px}.hero{min-height:auto;padding:70px 0}.hero-grid,.two-col,.contact-grid,.content-grid{grid-template-columns:1fr;gap:48px}.brand-hero .brand-mark{font-size:48px}.hero-visual{height:330px}.split-cards{grid-template-columns:1fr}.audience-card{padding:38px 0}.audience-card+ .audience-card{border-left:0;border-top:1px solid var(--ink);padding-left:0}.services-grid{grid-template-columns:1fr 1fr}.values-grid{grid-template-columns:1fr 1fr}.section{padding:78px 0}.cta-grid{grid-template-columns:1fr}.narrow-left{margin:auto;width:min(calc(100% - 32px),var(--max))}}@media(max-width:560px){body{font-size:16px}.brand-hero .brand-mark{font-size:37px}.brand-hero .brand-sub{font-size:9px}.hero h1{font-size:31px;line-height:1.08;letter-spacing:-.035em}.hero-actions{align-items:flex-start;flex-direction:column}.services-grid{grid-template-columns:1fr}.values-grid{grid-template-columns:1fr}.cta-strip,.footer-grid{display:block}.cta-strip .btn{margin-top:25px}.footer-links{margin-top:25px;flex-wrap:wrap}.page-hero{padding:75px 0 50px}.page-hero h1{font-size:31px;line-height:1.08;letter-spacing:-.035em}}

/* V3.4: slightly more breathing room between footer wordmark and contact name */
@media(max-width:560px){.brand-footer{margin-bottom:18px}}

/* V3.7 – zentrierte BIEG-Wortmarke nach Briefpapier-Design */
.site-header .header-inner{
  position:relative;
  height:118px;
  display:flex;
  flex-direction:column;
  justify-content:center;
  align-items:center;
  gap:12px;
}
.site-header .brand-small{
  align-items:center;
  text-align:center;
}
.site-header .main-nav{
  justify-content:center;
  gap:30px;
}
.site-header .main-nav a{
  padding:8px 0 10px;
}
.brand-hero{
  align-items:center;
  text-align:center;
  margin-left:auto;
  margin-right:auto;
}

@media(max-width:900px){
  .site-header .header-inner{
    height:88px;
    display:flex;
    flex-direction:row;
    justify-content:center;
    align-items:center;
  }
  .site-header .brand-small{
    position:absolute;
    left:50%;
    transform:translateX(-50%);
    width:max-content;
    max-width:calc(100% - 110px);
  }
  .site-header .nav-toggle{
    position:absolute;
    right:0;
  }
  .site-header .main-nav{
    top:88px;
  }
}

@media(max-width:560px){
  .site-header .brand-small .brand-mark{font-size:20px;}
  .site-header .brand-small .brand-sub{font-size:7.5px;letter-spacing:.14em;}
  .brand-hero{width:100%;}
}

/* V3.10 – desktop wordmark larger + footer follows mobile vertical layout */
@media(min-width:901px){
  .site-header .brand-small .brand-mark{font-size:32px;letter-spacing:.30em;}
  .site-header .brand-small .brand-sub{font-size:10px;letter-spacing:.18em;margin-top:9px;}
}

.site-footer .footer-grid{
  display:block;
  /* Keep the footer text aligned with the same content edge as the page above. */
  margin-left:auto;
  margin-right:auto;
}
.site-footer .brand-footer{
  display:inline-flex;
  margin-bottom:28px;
}
.site-footer .footer-contact{
  margin-bottom:28px;
}
.site-footer .footer-contact > div + div{
  margin-top:0;
}
.site-footer .footer-links{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:18px 38px;
  margin-top:28px;
}
.site-footer .footer-copyright{
  flex-basis:100%;
  margin-top:16px;
}
@media(max-width:560px){
  .site-footer .brand-footer{margin-bottom:28px;}
  .site-footer .footer-links{margin-top:28px;gap:18px 28px;}
}
.site-footer .footer-contact > div:first-child{margin-bottom:0;}
.site-footer .footer-contact > div:nth-child(2){margin-top:0;}

/* V4.0 - neue BIEG Corporate-Wortmarke */
.brand-logo{display:block;width:100%;height:auto;object-fit:contain}
.brand-logo-header{width:270px;max-width:100%}
.brand-logo-hero{width:min(620px,100%);margin:0 auto}
.brand-logo-footer{width:280px;filter:invert(1);opacity:.96}

.site-header .brand-small{display:flex;align-items:center;justify-content:center;line-height:normal}
.brand-hero{display:block;margin-bottom:42px}
.site-footer .brand-footer{display:inline-flex;align-items:center}

@media(min-width:901px){
  .site-header .header-inner{height:126px}
  .site-header .brand-small{margin-bottom:2px}
}
@media(max-width:900px){
  .site-header .header-inner{height:92px}
  .site-header .brand-small{width:245px;max-width:calc(100% - 116px)}
  .site-header .main-nav{top:92px}
  .brand-logo-header{width:245px}
  .brand-logo-hero{width:min(520px,100%)}
}
@media(max-width:560px){
  .site-header .brand-small{width:205px;max-width:calc(100% - 105px)}
  .brand-logo-header{width:205px}
  .brand-logo-footer{width:230px}
  .brand-hero{margin-bottom:34px}
}


/* V4.1 - kompakter Hero ohne doppelte Wortmarke */
.hero-eyebrow{margin-bottom:24px;color:var(--muted)}
.hero-intro{font-size:18px;line-height:1.55;font-weight:600;max-width:720px;margin:0}
@media(max-width:900px){
  .hero{padding:58px 0}
  .hero-grid{gap:42px}
  .hero-eyebrow{margin-bottom:18px}
}
@media(max-width:560px){
  .hero{padding:48px 0 56px}
  .hero h1{font-size:clamp(32px,9.4vw,42px);line-height:1.06;letter-spacing:-.04em}
  .short-rule{margin:28px 0;width:62px}
  .hero-intro{font-size:17px;line-height:1.5}
  .hero-actions{margin-top:30px;gap:22px}
}

/* V4.2 mobile hero refinement */
@media(max-width:560px){.hero h1{font-size:clamp(29px,8.5vw,38px);line-height:1.07}.hero{padding-top:42px}}