:root{
  --bg:#ffffff; --muted:#f6f7f9; --text:#1b1f24; --text-soft:#4b5563;
  --brand:#a00000; --brand-dark:#700000; --border:#e5e7eb;
  --radius:12px; --shadow:0 10px 25px rgba(0,0,0,.06);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;color:var(--text);background:var(--bg);line-height:1.6}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
.container{max-width:1100px;margin:auto;padding:0 16px}

/* Header / Navigation */
.site-header{position:sticky;top:0;z-index:1000;background:#fff;border-bottom:1px solid var(--border)}
.header-inner{display:flex;align-items:center;justify-content:space-between;min-height:64px}
.logo{height:56px;max-width:220px}

/* Mobile Menü-Button */
.menu-toggle{
  display:inline-flex;
  gap:6px;
  align-items:center;
  justify-content:center;
  width:44px;
  height:44px;
  border:1px solid var(--border);
  border-radius:10px;
  background:#fff;
  cursor:pointer;
  transition:background 0.2s ease;
}
.menu-toggle:hover{background:var(--muted)}
.menu-bar{display:block;width:20px;height:2px;background:var(--text);position:relative}
.menu-bar:nth-child(2){transform:translateY(5px)}
.menu-bar:nth-child(3){transform:translateY(10px)}

/* Mobile Navigation */
.main-nav{
  position:fixed;
  inset:64px 0 auto 0;
  background:#fff;
  border-top:1px solid var(--border);
  transform:translateY(-20px);
  opacity:0;
  pointer-events:none;
  transition:all .3s ease;
  box-shadow:var(--shadow);
  padding-bottom:20px;
}
.main-nav ul{
  list-style:none;
  margin:0;
  padding:20px 16px;
  display:flex;
  flex-direction:column;
  gap:14px;
}
.main-nav a{
  display:block;
  padding:12px 10px;
  border-radius:8px;
  font-weight:600;
  font-size:1.05rem;
  position:relative;
  transition:color 0.2s ease, background 0.2s ease;
}
.main-nav a:hover{background:var(--muted);color:var(--brand)}

/* Aktiver Menüpunkt */
.main-nav a.active{
  color:var(--brand);
}
.main-nav a.active::after{
  content:"";
  position:absolute;
  bottom:0;
  left:0;
  width:100%;
  height:2px;
  background-color:var(--brand);
  transition:opacity 0.2s ease;
  opacity:1;
}
.main-nav a:hover::after{
  content:"";
  position:absolute;
  bottom:0;
  left:0;
  width:100%;
  height:2px;
  background-color:var(--brand);
  opacity:.6;
}

/* Mobile Menü offen */
.nav-open .main-nav{
  transform:translateY(0);
  opacity:1;
  pointer-events:auto;
}

/* Hintergrundabdunklung beim geöffneten Menü */
.nav-open::before{
  content:"";
  position:fixed;
  inset:0;
  background:rgba(0,0,0,.35);
  backdrop-filter:blur(2px);
  z-index:999;
}

/* Desktop */
@media (min-width:900px){
  .menu-toggle{display:none}
  .main-nav{position:static;transform:none;opacity:1;pointer-events:auto;background:transparent;border:0;box-shadow:none;padding:0}
  .main-nav ul{flex-direction:row;gap:20px;padding:0}
  .main-nav a{padding:10px 6px;border-radius:8px;font-size:1rem}
}

/* Buttons – rot standard, weiß bei Hover */
.btn{
  display:inline-block;
  padding:12px 18px;
  border-radius:10px;
  font-weight:700;
  border:2px solid var(--brand);
  background:var(--brand);
  color:#fff;
  transition:.25s ease;
  cursor:pointer;
  text-align:center;
  box-shadow:0 3px 8px rgba(0,0,0,.1);
}
.btn:hover{
  background:#fff;
  color:var(--brand);
  border-color:var(--brand-dark);
}

/* Hero */
.hero{
  position:relative;
  min-height:65vh;
  display:grid;
  place-items:center;
  isolation:isolate;
}
.hero--sub{min-height:40vh}

/* Hintergrundbild */
.hero-img{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:cover;
  object-position:65% 20%;
  filter:brightness(.85);
}

/* Abdunkelung */
.hero::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(to top, rgba(0,0,0,.35), rgba(0,0,0,.2), transparent 60%);
}

/* Textbereich */
.hero-content{
  position:absolute;
  top:55%;
  left:calc(50% - 540px);
  transform:translateY(-50%);
  text-align:left;
  color:#fff;
  z-index:2;
  max-width:600px;
}
.hero-content h1{
  font-size:clamp(1.8rem,2.8vw,2.4rem);
  line-height:1.15;
  margin:0 0 16px;
}
.hero-content p{
  font-size:clamp(1rem,2vw,1.15rem);
  color:#f3f4f6;
  margin:0 0 20px;
}
.cta-row{
  display:flex;
  gap:12px;
  flex-wrap:wrap;
  justify-content:flex-start;
}

/* Mobile Hero */
@media (max-width:900px){
  .hero-content{
    left:8%;
    top:52%;
    transform:translateY(-50%);
    text-align:left;
    max-width:90%;
  }
  .hero-content h1{
    font-size:1.3rem;
    line-height:1.25;
    margin-bottom:10px;
  }
  .hero-content p{
    font-size:.9rem;
    margin-bottom:12px;
  }
  .cta-row{
    flex-direction:column;
    align-items:flex-start;
    gap:8px;
  }
  .btn{
    width:70%;
    max-width:260px;
    padding:10px 14px;
    font-size:.95rem;
  }
}

/* Sektionen */
.section{padding:40px 0}
.section-title{text-align:center;font-size:1.6rem;margin:0 0 20px;color:var(--brand)}

/* Karten */
.cards{
  display:grid;
  gap:20px;
  grid-template-columns:1fr;
}
.card{
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:18px;
  box-shadow:0 3px 10px rgba(0,0,0,.04);
  transition:transform .25s ease, box-shadow .25s ease;
}
.card:hover{
  transform:translateY(-5px);
  box-shadow:0 8px 20px rgba(0,0,0,.08);
}
.card h3{margin:0 0 8px;color:var(--brand);font-size:1.15rem}
.card p{margin:0;color:var(--text-soft)}
@media (min-width:700px){
  .cards{grid-template-columns:repeat(3,1fr)}
}

/* Bilderreihe */
.images-row{
  display:grid;
  gap:12px;
  grid-template-columns:1fr;
}
.images-row figure{margin:0}
.images-row img{
  width:100%;
  aspect-ratio:3/2;
  object-fit:cover;
  border-radius:12px;
  border:1px solid var(--border);
  box-shadow:var(--shadow);
}
@media (min-width:900px){
  .images-row{grid-template-columns:repeat(3,1fr)}
}

/* Kontaktformular */
.contact{
  display:grid;
  gap:24px;
  grid-template-columns:1fr;
}
.contact-info,.contact-form{
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:24px;
  box-shadow:var(--shadow);
}
.contact-form label{
  display:block;
  font-weight:600;
  margin:.75rem 0 .35rem;
}
.contact-form input,.contact-form textarea{
  width:100%;
  padding:12px 14px;
  border:1px solid var(--border);
  border-radius:8px;
  background:#fafafa;
  font:inherit;
  transition:border-color .2s, box-shadow .2s;
}
.contact-form input:focus,.contact-form textarea:focus{
  border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(160,0,0,.15);
  outline:none;
}
.contact-form textarea{resize:vertical;min-height:120px;}
.contact-form .btn{
  margin-top:14px;
  background:var(--brand);
  color:#fff;
  border:none;
  font-weight:600;
  padding:12px 22px;
  border-radius:10px;
}
.contact-form .btn:hover{
  background:#fff;
  color:var(--brand);
  border:2px solid var(--brand);
}
@media (min-width:900px){
  .contact{grid-template-columns:1.1fr .9fr}
}

/* Footer */
.site-footer{
  border-top:1px solid var(--border);
  background:var(--muted);
}
.footer-inner{
  display:flex;
  gap:12px;
  justify-content:space-between;
  align-items:center;
  flex-wrap:wrap;
  padding:18px 0;
}
.site-footer a{color:var(--brand)}
.site-footer a:hover{text-decoration:underline}

/* Accessibility / Motion */
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
@media (prefers-reduced-motion:reduce){
  *{scroll-behavior:auto;transition:none !important}
}

/* Überschriften */
.hero--sub .hero-content h1,
.section-title,
.card h3 {
  color: #1b1f24;
  position: relative;
  display: inline-block;
  padding-bottom: 6px;
}
.hero--sub .hero-content h1::after,
.section-title::after,
.card h3::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 40px;
  height: 3px;
  background-color: var(--brand);
  border-radius: 2px;
}