/* Tenvy v2 – eigenes Design (hell/dunkel mit frischer Akzentfarbe) */
:root{
  --bg: #0b0d10;
  --panel:#12161b;
  --text:#e8ecf1;
  --muted:#97a3b6;
  --brand:#34d399; /* smaragd */
  --brand-2:#22d3ee; /* cyan */
  --ring: rgba(52,211,153,.35);
  --border: rgba(255,255,255,.08);
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial;
  background:
    radial-gradient(900px 500px at 10% -10%, rgba(34,211,238,.20), transparent 60%),
    radial-gradient(800px 500px at 90% 0%, rgba(52,211,153,.18), transparent 60%),
    var(--bg);
  color:var(--text);
  line-height:1.65;
}

.container{max-width:1100px;margin:0 auto;padding:0 20px}
.row{display:flex;gap:14px}
.row.center{align-items:center}
.row.between{justify-content:space-between}
.row.gap-sm{gap:10px}

.header{position:sticky;top:0;backdrop-filter: blur(8px);
  background: color-mix(in oklab, var(--bg) 86%, transparent);
  border-bottom:1px solid var(--border); z-index:10}
.header .container{padding:14px 20px}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--text);text-decoration:none;font-weight:800;letter-spacing:.3px}

.nav a{color:var(--text);text-decoration:none;opacity:.86;margin-left:16px}
.nav a:hover{opacity:1}
.btn{display:inline-block;padding:11px 14px;border-radius:12px;border:1px solid var(--border);text-decoration:none;color:var(--text)}
.btn-primary{background:linear-gradient(90deg,var(--brand),var(--brand-2));color:#061015;font-weight:800;border-color:transparent}
.btn-ghost{background:transparent}

.hero{padding:64px 0 40px}
.grid-2{display:grid;grid-template-columns:1.2fr .8fr;gap:32px;align-items:center}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.panel{background:linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.03));border:1px solid var(--border);border-radius:16px;padding:16px}
.panel-head{opacity:.9;margin-bottom:10px}
.lead{font-size:18px;opacity:.92;max-width:58ch}
.grad{background:linear-gradient(90deg,var(--brand),var(--brand-2));-webkit-background-clip:text;background-clip:text;color:transparent}
.card{background:rgba(255,255,255,.03);border:1px solid var(--border);border-radius:16px;padding:16px}
.section{padding:56px 0}
.section.alt{background:linear-gradient(180deg, rgba(255,255,255,.03), transparent 60%)}
.steps{display:grid;gap:10px;margin:0;padding-left:18px}
.steps li{margin:0 0 6px}

.footer{border-top:1px solid var(--border);padding:16px 0;margin-top:32px}
.muted{color:var(--muted)}
.small{font-size:14px}

.prose h1,.prose h2,.prose h3{margin-top:0}
.prose a{color:var(--text)}

.cookie{position:fixed;left:0;right:0;bottom:0;display:flex;justify-content:center;padding:12px}
.cookie.hidden{display:none}
.cookie-inner{max-width:1100px;margin:0 16px;background:var(--panel);border:1px solid var(--border);border-radius:14px;padding:14px;display:flex;gap:12px;align-items:center;justify-content:space-between;flex-wrap:wrap}
.cookie-actions{display:flex;gap:10px}

@media (max-width:900px){
  .grid-2{grid-template-columns:1fr}
  .grid-3{grid-template-columns:1fr 1fr}
}
@media (max-width:600px){
  .grid-3{grid-template-columns:1fr}
}