:root{ --neutral-50:#fff; --neutral-100:#f5f5f5; --neutral-200:#e9e9e9; --neutral-800:#222; --accent:#005B99; --ring:0 0 0 3px rgba(184,115,51,.22); --bg-opacity:.35; }
*{box-sizing:border-box} html,body{margin:0;padding:0}
body{font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;color:var(--neutral-800);background:var(--neutral-50);line-height:1.6}
.container{max-width:1200px;margin:0 auto;padding:0 20px}
body::before{content:"";position:fixed;inset:0;z-index:-1;background:center/cover no-repeat url('images/Hintergrund_EBA.jpg');opacity:var(--bg-opacity);pointer-events:none}
.site-header{position:sticky;top:0;z-index:1000;background:rgba(255,255,255,.85);backdrop-filter:blur(6px);border-bottom:1px solid var(--neutral-200)}
.nav{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:inline-flex;align-items:center;gap:10px}
.logo-stack{position:relative;display:inline-block;height:40px;width:auto;min-width:140px}
.logo-stack>img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;object-position:left center;opacity:0;transition:opacity .5s ease}
.logo-stack>img.is-top{opacity:1}
.nav-toggle{display:inline-flex;align-items:center;gap:8px;padding:0 10px;height:40px;border:1px solid var(--neutral-200);border-radius:8px;background:var(--neutral-100);cursor:pointer}
.nav-toggle:focus-visible{box-shadow:var(--ring);outline:none}
.nav-toggle .i{display:none}
.nav-toggle.icon-label .i-label{display:inline-flex;align-items:center;gap:8px;font-weight:600}
.nav-toggle.icon-label .i-label .chev{transition:transform .18s ease}
.nav-toggle[aria-expanded="true"].icon-label .i-label .chev{transform:rotate(180deg)}
.site-header .container.nav{position:relative}
.menu-dropdown[hidden]{display:none}
.menu-dropdown{position:absolute;top:64px;right:20px;z-index:1200}
.menu-list{list-style:none;margin:0;padding:8px;background:var(--neutral-50);border:1px solid var(--neutral-200);border-radius:12px;min-width:220px;box-shadow:0 10px 28px rgba(0,0,0,.14)}
.menu-list a{display:block;padding:10px 12px;border-radius:8px;color:inherit;text-decoration:none}
.menu-list a:hover{background:var(--neutral-100);color:var(--accent)}
.hero{padding:56px 0 24px}
.hero-inner{display:grid;grid-template-columns:1.1fr 1fr;gap:40px;align-items:center}
.media-ph{height:200px;border-radius:12px;display:block;width:100%;object-fit:cover}
.section{padding:48px 0}
.grid{display:grid;gap:20px}
.grid.projects{grid-template-columns:1fr}
@media(min-width:720px){.grid.projects{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.grid.projects{grid-template-columns:repeat(3,1fr)}}
.card{background:rgba(255,255,255,.85);border:1px solid var(--neutral-200);border-radius:12px;padding:12px;display:flex;flex-direction:column;gap:10px}
.img-box{width:100%;aspect-ratio:2/1;border-radius:10px;overflow:hidden;position:relative;background:linear-gradient(135deg,#e8e8e8,#d6d6d6)}
.img-box>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:block}
.img-stack{--fade:700ms}
.img-stack>img{opacity:0;transition:opacity var(--fade) ease}
.img-stack>img.is-top{opacity:1}
.btn{display:inline-block;border-radius:999px;padding:10px 18px;border:1px solid transparent;cursor:pointer;text-decoration:none}
.btn-primary{background:var(--accent);color:#fff}
.btn-ghost{background:transparent;border-color:var(--neutral-200);color:inherit}
.form{display:grid;gap:16px}.field{display:flex;flex-direction:column;gap:6px}
input,textarea,select{border:1px solid var(--neutral-200);border-radius:8px;padding:10px 12px;font:inherit}
input:focus-visible,textarea:focus-visible,select:focus-visible{outline:none;box-shadow:var(--ring)}
.site-footer{border-top:1px solid var(--neutral-200);background:rgba(255,255,255,.85)}
.site-footer .foot{display:flex;align-items:center;justify-content:space-between;height:64px}
/* Über uns: zwei Spalten Listen */
.list-cols{ display:grid; gap:20px; grid-template-columns:1fr; margin-top:16px; }
@media (min-width:720px){ .list-cols{ grid-template-columns:repeat(2,1fr); } }
.list-col h3{ margin:0 0 8px; font-weight:700; }
.bullet{ list-style:disc; padding-left:20px; margin:0; }
.bullet li{ margin:4px 0; }


/* Prevent rotation of treppe_alt.jpg on mobile */
img.no-rotate {
  object-fit: cover;
  transform: none !important;
  image-orientation: from-image;
}
@media (max-width: 719px) {
  .hero .btn + .btn {
    margin-top: 10px;
  }
}

.info-box {
  border: 1px solid var(--neutral-200);
  background: rgba(255,255,255,.85);
  padding: 20px;
  border-radius: 12px;
  margin-bottom: 20px;
  font-size: 1.1rem;
}
@media (max-width: 719px) {
  .info-box {
    text-align: center;
  }
  .info-box img {
    display: block;
    margin: 0 auto;
    max-width: 100%;
    height: auto;
  }
  .form input,
  .form textarea,
  .form select,
  .form button {
    width: 100%;
    font-size: 1rem;
    padding: 12px;
  }
  .form .field {
    margin-bottom: 12px;
  }
}