:root{
    --red:#E2231A;
    --red-dark:#B01810;
    --black:#161616;
    --charcoal:#2A2A2A;
    --paper:#F6F3EE;
    --white:#FFFFFF;
    --steel:#6E6A64;
    --line:#E4DFD5;
  }

  *{margin:0;padding:0;box-sizing:border-box;}

  html{scroll-behavior:smooth;}

  body{
    background:var(--paper);
    color:var(--black);
    font-family:'Inter Body', 'Segoe UI', Arial, sans-serif;
    line-height:1.6;
    -webkit-font-smoothing:antialiased;
  }

  @font-face{
    font-family:'Display';
    src:local('Archivo Black');
  }

  h1,h2,h3, .display{
    font-family:'Archivo Black','Arial Black',Impact,sans-serif;
    text-transform:uppercase;
    letter-spacing:0.01em;
    line-height:1.05;
  }

  a{color:inherit;text-decoration:none;}

  img{max-width:100%;display:block;}

  .wrap{
    max-width:1180px;
    margin:0 auto;
    padding:0 28px;
  }

  /* ---------- Header ---------- */

  header{
    position:sticky;
    top:0;
    z-index:100;
    background:rgba(246,243,238,0.92);
    backdrop-filter:blur(6px);
    border-bottom:1px solid var(--line);
  }

  .nav{
    display:flex;
    align-items:center;
    justify-content:space-between;
    padding:14px 0;
  }

  .brand{
    display:flex;
    align-items:center;
    gap:12px;
  }

  .brand img{
    height:52px;
    width:auto;
  }

  nav ul{
    list-style:none;
    display:flex;
    gap:36px;
    font-weight:700;
    font-size:14px;
    letter-spacing:0.06em;
    text-transform:uppercase;
  }

  nav ul li a{
    position:relative;
    padding-bottom:4px;
  }
  nav ul li a::after{
    content:"";
    position:absolute;
    left:0;bottom:0;
    width:0%;
    height:2px;
    background:var(--red);
    transition:width .25s ease;
  }
  nav ul li a:hover::after{width:100%;}

  .nav-cta{
    background:var(--black);
    color:var(--white);
    padding:11px 22px;
    font-weight:700;
    font-size:13px;
    letter-spacing:0.06em;
    text-transform:uppercase;
    border:2px solid var(--black);
    transition:background .2s ease,color .2s ease;
  }
  .nav-cta:hover{background:var(--red);border-color:var(--red);}

  .menu-toggle{display:none;}

  /* ---------- Hero ---------- */

  .hero{
    position:relative;
    overflow:hidden;
    padding:96px 0 0;
    background:var(--black);
    color:var(--white);
  }

  .hero-inner{
    position:relative;
    z-index:2;
    padding-bottom:150px;
  }

  .eyebrow{
    display:inline-flex;
    align-items:center;
    gap:10px;
    color:var(--red);
    font-weight:700;
    font-size:13px;
    letter-spacing:0.18em;
    text-transform:uppercase;
    margin-bottom:22px;
  }
  .eyebrow::before{
    content:"";
    width:26px;height:2px;
    background:var(--red);
    display:inline-block;
  }

  .hero h1{
    font-size:clamp(40px,7vw,88px);
    max-width:900px;
  }
  .hero h1 span{color:var(--red);}

  .hero p{
    max-width:560px;
    margin-top:26px;
    font-size:18px;
    color:#D8D5CE;
  }

  .hero-actions{
    display:flex;
    gap:16px;
    margin-top:40px;
    flex-wrap:wrap;
  }

  .btn{
    display:inline-block;
    padding:16px 30px;
    font-weight:700;
    font-size:14px;
    letter-spacing:0.06em;
    text-transform:uppercase;
    transition:transform .2s ease, background .2s ease, color .2s ease;
  }
  .btn-primary{
    background:var(--red);
    color:var(--white);
  }
  .btn-primary:hover{background:var(--red-dark);transform:translateY(-2px);}
  .btn-ghost{
    border:2px solid #504C46;
    color:var(--white);
  }
  .btn-ghost:hover{border-color:var(--white);transform:translateY(-2px);}

  /* skyline / roofline signature */
  .skyline{
    position:absolute;
    left:0; right:0; bottom:0;
    height:220px;
    z-index:1;
  }

  /* ---------- Marquee strip ---------- */
  .strip{
    background:var(--red);
    color:var(--white);
    overflow:hidden;
    white-space:nowrap;
    border-top:1px solid rgba(0,0,0,.15);
  }
  .strip-track{
    display:inline-flex;
    align-items:center;
    animation:scroll 26s linear infinite;
  }
  .strip-track span{
    font-family:'Archivo Black',sans-serif;
    text-transform:uppercase;
    font-size:15px;
    letter-spacing:0.08em;
    padding:14px 32px;
    display:inline-flex;
    align-items:center;
    gap:32px;
  }
  .strip-track span::after{
    content:"◆";
    font-size:10px;
    opacity:.7;
  }
  @keyframes scroll{
    0%{transform:translateX(0);}
    100%{transform:translateX(-50%);}
  }
  @media (prefers-reduced-motion:reduce){
    .strip-track{animation:none;}
  }

  /* ---------- Section basics ---------- */

  section{padding:100px 0;}

  .section-head{
    max-width:640px;
    margin-bottom:56px;
  }
  .section-head .eyebrow{color:var(--red-dark);}
  .section-head h2{
    font-size:clamp(30px,4.2vw,46px);
    color:var(--black);
  }
  .section-head p{
    margin-top:18px;
    color:var(--steel);
    font-size:17px;
  }

  /* ---------- Intro / Warum wir ---------- */
  .intro{
    background:var(--white);
  }
  .intro-grid{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:64px;
    align-items:start;
  }
  .intro-grid h2{
    font-size:clamp(28px,3.6vw,42px);
    color:var(--black);
  }
  .intro-grid .lead{
    font-size:19px;
    color:var(--charcoal);
    margin-top:22px;
  }
  .intro-grid .body-text{
    color:var(--steel);
    margin-top:16px;
  }

  .stat-list{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:28px;
    margin-top:12px;
  }
  .stat{
    border-top:3px solid var(--red);
    padding-top:14px;
  }
  .stat .num{
    font-family:'Archivo Black',sans-serif;
    font-size:40px;
    color:var(--black);
  }
  .stat .label{
    color:var(--steel);
    font-size:14px;
    margin-top:4px;
  }

  /* ---------- Leistungen ---------- */
  .services{
    background:var(--paper);
  }
  .service-grid{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:2px;
    background:var(--line);
    border:1px solid var(--line);
  }
  .service-card{
    background:var(--white);
    padding:38px 32px;
    transition:background .25s ease, color .25s ease;
    position:relative;
  }
  .service-card:hover{
    background:var(--black);
    color:var(--white);
  }
  .service-card:hover .service-num{color:var(--red);}
  .service-card:hover .service-desc{color:#C9C6C0;}

  .service-num{
    font-family:'Archivo Black',sans-serif;
    font-size:13px;
    color:var(--red);
    letter-spacing:0.08em;
  }
  .service-card h3{
    margin-top:18px;
    font-size:21px;
    text-transform:none;
    letter-spacing:0;
    font-family:'Archivo Black',sans-serif;
    text-transform:uppercase;
  }
  .service-desc{
    margin-top:12px;
    color:var(--steel);
    font-size:15px;
  }

  .footer-bottom .credit{
    display:inline-flex;
    align-items:center;
    gap:8px;
    color:#8B8780;
  }
  .footer-bottom .credit img{
    height:26px;
    width:auto;
    opacity:0.9;
  }

  /* ---------- Danke-Seite ---------- */
  .thanks{
    background:var(--black);
    color:var(--white);
    min-height:56vh;
    display:flex;
    align-items:center;
    padding:80px 0;
  }
  .thanks .eyebrow{color:var(--red);}
  .thanks h1{
    font-size:clamp(30px,5vw,50px);
    max-width:620px;
  }
  .thanks p{
    margin-top:18px;
    color:#D8D5CE;
    max-width:520px;
    font-size:17px;
  }
  .thanks .btn{margin-top:34px;}

  /* ---------- Legal pages ---------- */
  .legal-hero{
    background:var(--black);
    color:var(--white);
    padding:70px 0 60px;
  }
  .legal-hero .eyebrow{color:var(--red);}
  .legal-hero h1{
    font-size:clamp(32px,5vw,54px);
  }
  .legal-hero p{
    margin-top:16px;
    color:#B8B4AC;
    max-width:560px;
  }

  .legal-body{
    background:var(--white);
    padding:70px 0 100px;
  }
  .legal-wrap{
    max-width:820px;
    margin:0 auto;
    padding:0 28px;
  }
  .legal-wrap h2{
    font-size:22px;
    color:var(--black);
    margin-top:52px;
    margin-bottom:14px;
    padding-bottom:10px;
    border-bottom:2px solid var(--red);
    display:inline-block;
  }
  .legal-wrap h2:first-of-type{margin-top:0;}
  .legal-wrap h3{
    font-size:16px;
    text-transform:none;
    font-family:'Archivo Black',sans-serif;
    text-transform:uppercase;
    letter-spacing:0.02em;
    color:var(--black);
    margin-top:28px;
    margin-bottom:10px;
  }
  .legal-wrap p{
    color:var(--charcoal);
    font-size:15.5px;
    margin-bottom:14px;
  }
  .legal-wrap ul{
    margin:0 0 14px 22px;
    color:var(--charcoal);
    font-size:15.5px;
  }
  .legal-wrap li{margin-bottom:8px;}
  .legal-wrap a{
    color:var(--red-dark);
    text-decoration:underline;
    text-underline-offset:2px;
  }
  .legal-wrap strong{color:var(--black);}
  .legal-note{
    background:var(--paper);
    border-left:3px solid var(--red);
    padding:16px 20px;
    font-size:14px;
    color:var(--steel);
    margin:24px 0;
  }
  .legal-toc{
    background:var(--paper);
    border:1px solid var(--line);
    padding:22px 26px;
    margin-bottom:8px;
  }
  .legal-toc h3{margin-top:0;}
  .legal-toc ol{
    margin:0 0 0 20px;
    color:var(--charcoal);
    font-size:14.5px;
  }
  .legal-toc li{margin-bottom:6px;}
  .legal-toc a{color:var(--charcoal);text-decoration:none;}
  .legal-toc a:hover{color:var(--red-dark);text-decoration:underline;}

  /* ---------- Referenzen ---------- */
  .refs{
    background:var(--black);
  }
  .refs .section-head h2{color:var(--white);}
  .refs .section-head p{color:#B8B4AC;}
  .refs .eyebrow{color:var(--red);}

  .ref-grid{
    display:grid;
    grid-template-columns:repeat(4,1fr);
    gap:18px;
  }
  .ref-grid a.ref-card{
    display:block;
  }
  .ref-card{
    position:relative;
    overflow:hidden;
    aspect-ratio:3/4;
    background:#1F1F1F;
    cursor:zoom-in;
  }
  .ref-card img{
    width:100%;
    height:100%;
    object-fit:cover;
    transition:transform .5s ease, filter .5s ease;
    filter:grayscale(15%);
  }
  .ref-card:hover img{
    transform:scale(1.06);
    filter:grayscale(0%);
  }
  .ref-card .ref-tag{
    position:absolute;
    left:0; right:0; bottom:0;
    padding:16px 18px;
    background:linear-gradient(to top, rgba(0,0,0,.85), rgba(0,0,0,0));
    color:var(--white);
    font-size:12px;
    font-weight:700;
    letter-spacing:0.08em;
    text-transform:uppercase;
    transform:translateY(4px);
    opacity:0.92;
  }
  .ref-card .ref-tag span{
    display:block;
    color:var(--red);
    font-family:'Archivo Black',sans-serif;
    font-size:11px;
    margin-bottom:4px;
  }

  /* lightbox */
  .lightbox{
    position:fixed;
    inset:0;
    background:rgba(10,10,10,0.94);
    display:none;
    align-items:center;
    justify-content:center;
    z-index:999;
    padding:40px;
  }
  .lightbox.open{display:flex;}
  .lightbox img{
    max-width:100%;
    max-height:86vh;
    box-shadow:0 20px 60px rgba(0,0,0,.5);
  }
  .lightbox-close{
    position:absolute;
    top:26px; right:34px;
    color:var(--white);
    font-size:32px;
    font-weight:300;
    cursor:pointer;
    line-height:1;
    background:none;
    border:none;
  }
  .lightbox-close:hover{color:var(--red);}
  .lightbox-cap{
    position:absolute;
    bottom:34px;
    left:0; right:0;
    text-align:center;
    color:#D8D5CE;
    font-size:13px;
    letter-spacing:0.06em;
    text-transform:uppercase;
  }

  /* ---------- Ablauf ---------- */
  .process{
    background:var(--black);
    color:var(--white);
  }
  .process .section-head h2{color:var(--white);}
  .process .section-head p{color:#B8B4AC;}

  .process-list{
    display:grid;
    grid-template-columns:repeat(4,1fr);
    gap:0;
    border-top:1px solid #3A3A3A;
  }
  .process-item{
    padding:28px 24px 28px 0;
    border-right:1px solid #3A3A3A;
  }
  .process-item:last-child{border-right:none;}
  .process-item .p-num{
    font-family:'Archivo Black',sans-serif;
    color:var(--red);
    font-size:34px;
  }
  .process-item h4{
    margin-top:12px;
    font-size:16px;
    text-transform:uppercase;
    font-family:'Archivo Black',sans-serif;
  }
  .process-item p{
    margin-top:10px;
    color:#B0ACA4;
    font-size:14px;
  }

  /* ---------- About ---------- */
  .about{
    background:var(--white);
  }
  .about-grid{
    display:grid;
    grid-template-columns:0.9fr 1.1fr;
    gap:70px;
    align-items:center;
  }
  .about-visual{
    background:var(--black);
    aspect-ratio:4/5;
    position:relative;
    overflow:hidden;
    display:flex;
    align-items:flex-end;
    padding:32px;
  }
  .about-visual::before{
    content:"";
    position:absolute;
    inset:0;
    background:
      radial-gradient(circle at 30% 20%, rgba(226,35,26,0.18), transparent 55%),
      repeating-linear-gradient(135deg, rgba(255,255,255,0.03) 0px, rgba(255,255,255,0.03) 2px, transparent 2px, transparent 14px);
  }
  .about-visual .logo-plate{
    position:absolute;
    top:50%; left:50%;
    transform:translate(-50%,-50%);
    background:var(--white);
    padding:28px 34px;
    border-radius:6px;
    box-shadow:0 24px 60px rgba(0,0,0,0.45);
    width:62%;
  }
  .about-visual .logo-plate img{
    width:100%;
    display:block;
  }
  .about-visual .tag{
    position:relative;
    z-index:2;
    color:var(--white);
    font-size:13px;
    letter-spacing:0.1em;
    text-transform:uppercase;
    border-top:2px solid var(--red);
    padding-top:10px;
  }
  .about-text h2{
    font-size:clamp(28px,3.6vw,42px);
    color:var(--black);
  }
  .about-text p{
    margin-top:20px;
    color:var(--steel);
    font-size:17px;
  }
  .about-text .quote{
    margin-top:28px;
    padding-left:22px;
    border-left:3px solid var(--red);
    font-family:'Archivo Black',sans-serif;
    text-transform:none;
    font-size:19px;
    color:var(--black);
    letter-spacing:0;
    line-height:1.4;
  }

  /* ---------- Kontakt ---------- */
  .contact{
    background:var(--paper);
  }
  .contact-grid{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:64px;
  }
  .contact-info h2{
    font-size:clamp(28px,3.6vw,42px);
    color:var(--black);
  }
  .contact-info p{
    color:var(--steel);
    margin-top:18px;
    font-size:17px;
    max-width:440px;
  }
  .contact-detail{
    margin-top:36px;
    display:flex;
    flex-direction:column;
    gap:22px;
  }
  .contact-detail .row{
    display:flex;
    gap:16px;
    align-items:flex-start;
    border-bottom:1px solid var(--line);
    padding-bottom:18px;
  }
  .contact-detail .row .k{
    width:110px;
    flex-shrink:0;
    font-weight:700;
    font-size:12px;
    letter-spacing:0.08em;
    text-transform:uppercase;
    color:var(--red-dark);
    padding-top:2px;
  }
  .contact-detail .row .v{
    color:var(--black);
    font-size:16px;
  }
  .contact-detail .row .v small{
    display:block;
    color:var(--steel);
    font-size:13px;
    margin-top:4px;
  }

  form{
    background:var(--white);
    border:1px solid var(--line);
    padding:38px;
  }
  .form-row{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:18px;
  }
  .field{
    margin-bottom:18px;
  }
  .field label{
    display:block;
    font-size:12px;
    font-weight:700;
    letter-spacing:0.06em;
    text-transform:uppercase;
    color:var(--steel);
    margin-bottom:8px;
  }
  .field input, .field textarea, .field select{
    width:100%;
    border:1px solid var(--line);
    background:var(--paper);
    padding:13px 14px;
    font-family:inherit;
    font-size:15px;
    color:var(--black);
  }
  .field input:focus, .field textarea:focus, .field select:focus{
    outline:2px solid var(--red);
    outline-offset:1px;
    background:var(--white);
  }
  .field textarea{resize:vertical;min-height:110px;}

  .form-submit{
    width:100%;
    background:var(--black);
    color:var(--white);
    border:none;
    padding:16px;
    font-weight:700;
    font-size:14px;
    letter-spacing:0.06em;
    text-transform:uppercase;
    cursor:pointer;
    transition:background .2s ease;
  }
  .form-submit:hover{background:var(--red);}

  .form-note{
    font-size:13px;
    color:var(--steel);
    margin-top:14px;
  }

  /* ---------- Footer ---------- */
  footer{
    background:var(--black);
    color:#B0ACA4;
    padding:56px 0 28px;
  }
  .footer-grid{
    display:grid;
    grid-template-columns:1.4fr 1fr 1fr;
    gap:40px;
    padding-bottom:36px;
    border-bottom:1px solid #3A3A3A;
  }
  .footer-brand .logo-plate{
    display:inline-block;
    background:var(--white);
    padding:10px 16px;
    border-radius:5px;
  }
  .footer-brand .logo-plate img{height:36px;display:block;}
  .footer-brand p{margin-top:16px;font-size:14px;max-width:280px;}
  footer h5{
    color:var(--white);
    font-size:13px;
    letter-spacing:0.08em;
    text-transform:uppercase;
    margin-bottom:16px;
    font-family:'Archivo Black',sans-serif;
  }
  footer ul{list-style:none;font-size:14px;}
  footer ul li{margin-bottom:10px;}
  footer ul li a:hover{color:var(--red);}
  .footer-bottom{
    display:flex;
    justify-content:space-between;
    padding-top:24px;
    font-size:13px;
    flex-wrap:wrap;
    gap:10px;
  }

  /* ---------- Responsive ---------- */
  @media (max-width:900px){
    nav ul{display:none;}
    .menu-toggle{display:block;background:none;border:none;color:var(--black);font-size:22px;cursor:pointer;}
    .intro-grid, .about-grid, .contact-grid{grid-template-columns:1fr;}
    .about-visual{aspect-ratio:16/9;}
    .service-grid{grid-template-columns:1fr 1fr;}
    .ref-grid{grid-template-columns:1fr 1fr;}
    .process-list{grid-template-columns:1fr 1fr;}
    .process-item{border-bottom:1px solid #3A3A3A;}
    .form-row{grid-template-columns:1fr;}
    .footer-grid{grid-template-columns:1fr;}
  }
  @media (max-width:560px){
    .service-grid{grid-template-columns:1fr;}
    .ref-grid{grid-template-columns:1fr;}
    .process-list{grid-template-columns:1fr;}
    .hero{padding-top:70px;}
    .hero-inner{padding-bottom:110px;}
    section{padding:70px 0;}
  }