:root {
  --bg:#0b1220;
  --card:#10182b;
  --muted:#7e8aa0;
  --brand:#f5a300;
  --brand-2:#ffd66e;
  --text:#f2f5f9;
  --shadow:0 8px 30px rgba(0,0,0,.25);
  --radius:16px;
}

*{box-sizing:border-box}

html,body{
  margin:0;
  padding:0;
  background:var(--bg);
  color:var(--text);
  font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial;
  line-height:1.6;
}

a{
  color:#cbe2ff;
  text-decoration:none;
}

a:hover{
  text-decoration:underline;
}

.container{
  width:min(1200px,92%);
  margin:0 auto;
}

/* Skip-Link */
.skip-link{
  position:absolute;
  left:-9999px;
  top:auto;
  width:1px;
  height:1px;
  overflow:hidden;
}

.skip-link:focus{
  left:12px;
  top:12px;
  width:auto;
  height:auto;
  background:#fff;
  color:#111;
  padding:8px 10px;
  border-radius:8px;
  z-index:1000;
}

/* Header */
header{
  position:sticky;
  top:0;
  z-index:50;
  backdrop-filter:saturate(180%) blur(12px);
  background:rgba(11,18,32,.7);
  border-bottom:1px solid rgba(255,255,255,.06);
}

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

.logo{
  display:flex;
  align-items:center;
  gap:12px;
  font-weight:700;
}

.logo svg{
  width:36px;
  height:36px;
}

.menu{
  position:relative;
  display:flex;
  gap:18px;
  flex-wrap:wrap;
}

.menu a{
  white-space:nowrap;
}

.menu-toggle{
  display:none;
  align-items:center;
  justify-content:center;
  width:40px;
  height:40px;
  border:1px solid rgba(255,255,255,.15);
  border-radius:10px;
  background:#10182b;
  color:#cbe2ff;
  cursor:pointer;
}

/* Hero */
.cta{
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  color:#111;
  padding:10px 14px;
  border-radius:12px;
  font-weight:600;
  box-shadow:var(--shadow);
}

.hero{
  position:relative;
  overflow:hidden;
}

.hero .bg{
  position:absolute;
  inset:0;
  background-image:url('https://www.solar24.de/assets/hero-solar24.webp');
  background-position:center;
  background-repeat:no-repeat;
  background-size:cover;
  filter:saturate(115%) contrast(110%);
  opacity:.35;
}

.hero .inner{
  position:relative;
  padding:80px 0 48px;
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:28px;
  align-items:center;
}

/* Content */
h1,h2,h3{
  font-weight:600;
}

section{
  padding:48px 0;
}

.card{
  background:var(--card);
  border:1px solid rgba(255,255,255,.06);
  border-radius:var(--radius);
  padding:18px;
  box-shadow:var(--shadow);
  word-break:break-word;
}

.card img{
  max-width:100%;
  height:auto;
}

.bubble-list{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}

.bubble{
  background:#0f1a31;
  border:1px solid rgba(255,255,255,.09);
  padding:8px 12px;
  border-radius:999px;
  font-size:14px;
}

.kpis{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:10px;
  margin-top:10px;
}

.kpis .k{
  background:#0f1a31;
  border:1px solid rgba(255,255,255,.08);
  border-radius:12px;
  padding:10px;
}

.k .h{
  font-size:13px;
  color:var(--muted);
}

.k .v{
  font-size:18px;
  font-weight:700;
}

/* Grid helper */
.grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:14px;
}

.col-6{
  min-width:0;
}

/* Table */
.table{
  width:100%;
  border-collapse:separate;
  border-spacing:0;
}

.table th,
.table td{
  border-bottom:1px solid rgba(255,255,255,.08);
  text-align:left;
  padding:10px;
}

.table th{
  color:#cbe2ff;
  font-weight:600;
}

/* Notice */
.notice{
  background:#0f1a31;
  border:1px solid rgba(255,255,255,.12);
  border-radius:12px;
  padding:12px;
  margin:14px 0;
}

/* Breadcrumbs */
.breadcrumbs{
  font-size:14px;
  color:var(--muted);
  margin:8px 0;
}

/* Responsive */
@media (max-width:920px){
  .hero .inner{
    grid-template-columns:1fr;
    padding:64px 0 28px;
    gap:18px;
  }
  .hero .bg{
    opacity:.28;
  }
}

@media (max-width:768px){
  .nav{
    padding:10px 0;
  }
  .logo svg{
    width:28px;
    height:28px;
  }
  .logo span{
    font-size:18px;
  }
  .menu{
    display:none;
    position:absolute;
    top:100%;
    left:0;
    right:0;
    background:rgba(11,18,32,.96);
    backdrop-filter:saturate(180%) blur(10px);
    border-top:1px solid rgba(255,255,255,.06);
    padding:12px 4%;
    flex-direction:column;
    gap:6px;
  }
  .menu.show{
    display:flex;
  }
  .menu a{
    padding:10px 0;
    margin:0;
    display:block;
  }
  .menu-toggle{
    display:inline-flex;
  }
  .bubble-list{
    gap:8px;
  }
  .bubble{
    font-size:13px;
    padding:7px 10px;
  }
  .kpis{
    grid-template-columns:1fr;
  }
}
