:root{
  --bg:#05090c; --bg2:#07110f; --panel:#0d171b; --panel2:#101d23;
  --text:#eef7f7; --muted:#9aabb0; --line:rgba(108,255,203,.16);
  --cyan:#10d4ec; --green:#23f48e; --red:#b71420; --shadow:0 20px 80px rgba(0,0,0,.55);
  --max:1180px;
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,Segoe UI,Roboto,Arial,sans-serif;line-height:1.6;overflow-x:hidden}a{color:inherit;text-decoration:none}.container{width:min(var(--max),calc(100% - 48px));margin-inline:auto}.site-header{position:sticky;top:0;z-index:50;height:86px;display:flex;align-items:center;justify-content:space-between;padding:0 clamp(22px,5vw,72px);background:rgba(3,8,11,.82);backdrop-filter:blur(16px);border-bottom:1px solid rgba(255,255,255,.08)}.brand img{width:190px;opacity:.95}.main-nav{display:flex;gap:28px;align-items:center}.main-nav a{font-size:.85rem;font-weight:800;letter-spacing:.16em;text-transform:uppercase;color:#c7d1d4;transition:.2s}.main-nav a:hover{color:var(--green);text-shadow:0 0 18px rgba(35,244,142,.5)}.nav-toggle{display:none;color:white;border:1px solid var(--line);background:rgba(255,255,255,.04);border-radius:10px;padding:8px 12px}.hero{position:relative;min-height:calc(100vh - 86px);display:flex;align-items:center;overflow:hidden}.hero-bg{position:absolute;inset:0;background:url('../images/hero-bg.jpg') center/cover no-repeat;filter:saturate(.75) brightness(.55);transform:scale(1.02)}.hero-overlay{position:absolute;inset:0;background:radial-gradient(circle at 18% 58%,rgba(35,244,142,.17),transparent 32%),linear-gradient(90deg,rgba(3,8,11,.98) 0%,rgba(3,8,11,.80) 42%,rgba(3,8,11,.50) 100%),linear-gradient(180deg,rgba(3,8,11,.20),var(--bg) 100%)}.hero:after{content:"";position:absolute;inset:auto 0 0 0;height:1px;background:linear-gradient(90deg,transparent,var(--green),transparent);opacity:.35}.hero-grid{position:relative;display:grid;grid-template-columns:1fr 420px;gap:50px;align-items:center;padding:78px 0 60px}.eyebrow{text-transform:uppercase;letter-spacing:.28em;font-size:.82rem;font-weight:900;color:var(--green);margin:0 0 20px;text-shadow:0 0 22px rgba(35,244,142,.35)}h1,h2,h3,p{margin-top:0}.hero h1{font-size:clamp(2.2rem,4.8vw,4.8rem);line-height:1;letter-spacing:-.05em;margin:0 0 14px}.hero h2{font-size:clamp(1.45rem,3vw,3.05rem);line-height:1.05;color:var(--cyan);margin:0 0 26px;text-shadow:0 0 35px rgba(16,212,236,.2)}.hero-line{font-size:clamp(1.05rem,1.55vw,1.55rem);font-weight:900;letter-spacing:.01em;margin-bottom:22px}.hero-text{max-width:740px;color:#c5d0d3;font-size:1.18rem}.hero-actions,.download-actions{display:flex;gap:16px;flex-wrap:wrap;margin:34px 0 28px}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:54px;padding:0 28px;border-radius:14px;font-weight:900;letter-spacing:.02em;border:1px solid transparent;transition:.2s}.btn-primary{background:var(--cyan);color:#001116;box-shadow:0 0 34px rgba(16,212,236,.25)}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 46px rgba(16,212,236,.42)}.btn-ghost{border-color:var(--line);background:rgba(255,255,255,.03);color:#edf8f8}.btn-ghost:hover{border-color:var(--green);color:var(--green)}.hero-tags{display:flex;gap:12px;flex-wrap:wrap}.hero-tags span{border:1px solid rgba(16,212,236,.22);background:rgba(8,20,24,.55);border-radius:999px;padding:10px 16px;color:#c7d5d7}.hero-teaser{align-self:end;display:block;border:1px solid rgba(35,244,142,.24);background:linear-gradient(180deg,rgba(14,29,32,.86),rgba(7,15,18,.72));backdrop-filter:blur(12px);box-shadow:var(--shadow);border-radius:26px;padding:32px;position:relative;overflow:hidden}.hero-teaser:before{content:"";position:absolute;inset:-2px;background:radial-gradient(circle at 75% 0%,rgba(16,212,236,.25),transparent 40%);pointer-events:none}.teaser-kicker{display:inline-block;margin-bottom:16px;color:var(--green);font-weight:900;letter-spacing:.18em;text-transform:uppercase;font-size:.75rem}.hero-teaser strong{display:block;font-size:2rem;line-height:1.12;margin-bottom:14px}.hero-teaser p{color:#b6c4c8}.teaser-link{color:var(--cyan);font-weight:900}.section{padding:96px 0;background:linear-gradient(180deg,var(--bg),#071014)}.section:nth-of-type(even){background:linear-gradient(180deg,#071014,var(--bg2))}.section-head{text-align:center;max-width:840px;margin:0 auto 44px}.section-head h2{font-size:clamp(2.4rem,5vw,4.8rem);line-height:1;letter-spacing:-.04em;margin-bottom:18px}.section-head p{color:var(--muted);font-size:1.08rem}.align-left{text-align:left;margin-left:0}.cards{display:grid;gap:22px}.service-grid{grid-template-columns:repeat(4,1fr)}.card{min-height:260px;border:1px solid var(--line);background:linear-gradient(180deg,rgba(18,34,39,.9),rgba(10,19,24,.9));border-radius:22px;padding:26px;box-shadow:0 12px 50px rgba(0,0,0,.24);transition:.22s}.card:hover{transform:translateY(-4px);border-color:rgba(16,212,236,.45);box-shadow:0 20px 70px rgba(16,212,236,.10)}.featured-card{grid-column:span 2}.accent-card{grid-column:span 2;border-color:rgba(35,244,142,.32);background:linear-gradient(145deg,rgba(16,45,39,.92),rgba(8,19,24,.92))}.card-icon{display:inline-flex;color:var(--green);font-weight:900;font-size:.82rem;letter-spacing:.15em;margin-bottom:22px}.card h3{font-size:1.42rem;line-height:1.18;margin-bottom:14px}.card p{color:#adbbbf}.split{display:grid;grid-template-columns:1fr 480px;gap:56px;align-items:center}.support-panel,.contact-card,.terminal-card{border:1px solid var(--line);background:rgba(13,24,28,.86);border-radius:24px;padding:32px;box-shadow:var(--shadow)}.support-panel ol{margin:18px 0 0;padding-left:22px;color:#c7d4d7}.support-panel li{margin-bottom:12px}.small-note{font-size:.9rem;color:#849399}.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.steps article{border-top:2px solid rgba(35,244,142,.45);background:rgba(13,24,28,.74);border-radius:18px;padding:24px}.steps span{display:inline-flex;width:36px;height:36px;align-items:center;justify-content:center;background:rgba(16,212,236,.15);border:1px solid rgba(16,212,236,.3);border-radius:10px;color:var(--cyan);font-weight:900;margin-bottom:20px}.reverse{grid-template-columns:480px 1fr}.terminal-card{font-family:Consolas,Menlo,monospace;color:#dce8e8}.terminal-top{display:flex;gap:8px;margin-bottom:22px}.terminal-top span{width:11px;height:11px;border-radius:50%;background:var(--red)}.terminal-top span:nth-child(2){background:var(--cyan)}.terminal-top span:nth-child(3){background:var(--green)}pre{white-space:pre-wrap;margin:0;font-size:1.05rem;line-height:1.8}.contact-grid{display:grid;grid-template-columns:1fr 420px;gap:54px}.contact-card a{color:var(--cyan);font-weight:800}.site-footer{padding:38px 0;background:#030608;border-top:1px solid rgba(255,255,255,.08)}.footer-grid{display:flex;align-items:center;justify-content:space-between;gap:32px}.footer-grid img{width:150px;opacity:.8}.footer-grid p{color:#7f8c91;margin:10px 0 0}.site-footer nav{display:flex;gap:24px;flex-wrap:wrap}.site-footer a{color:#aeb9bc}.site-footer a:hover{color:var(--green)}

.security-note{margin:24px 0;padding:22px;border:1px solid rgba(35,244,142,.32);background:linear-gradient(180deg,rgba(10,35,29,.78),rgba(8,18,20,.78));border-radius:18px;box-shadow:0 16px 50px rgba(0,0,0,.22)}.security-note h4{margin:0 0 12px;color:var(--green);font-size:1.05rem;letter-spacing:.08em;text-transform:uppercase}.security-note p{margin:0 0 10px;color:#d7e5e5}.security-note p:last-child{margin-bottom:0}.security-note strong{color:#ffffff}.small-note code{color:var(--green);background:rgba(35,244,142,.08);border:1px solid rgba(35,244,142,.18);padding:.08rem .28rem;border-radius:6px}
@media (max-width:1050px){.main-nav{gap:18px}.main-nav a{font-size:.76rem}.hero-grid,.split,.reverse,.contact-grid{grid-template-columns:1fr}.hero-teaser{max-width:620px}.service-grid{grid-template-columns:repeat(2,1fr)}.steps{grid-template-columns:repeat(2,1fr)}}
@media (max-width:760px){.site-header{height:auto;min-height:78px;padding:14px 20px}.brand img{width:150px}.nav-toggle{display:block}.main-nav{display:none;position:absolute;top:78px;left:0;right:0;flex-direction:column;align-items:flex-start;background:#03080b;padding:22px;border-bottom:1px solid var(--line)}.main-nav.open{display:flex}.container{width:min(100% - 30px,var(--max))}.hero{min-height:auto}.hero-grid{padding:64px 0 40px}.hero h1{font-size:2.8rem}.hero h2{font-size:1.8rem}.hero-line{font-size:1.1rem}.service-grid,.steps{grid-template-columns:1fr}.featured-card,.accent-card{grid-column:auto}.section{padding:68px 0}.hero-actions{margin-top:26px}.footer-grid{display:block}.site-footer nav{margin-top:24px;display:grid;gap:12px}}


.legal-content{display:grid;gap:1.25rem;max-width:980px}.legal-content section{background:rgba(10,18,28,.72);border:1px solid rgba(0,190,239,.16);border-radius:22px;padding:1.4rem;box-shadow:0 18px 55px rgba(0,0,0,.25)}.legal-content h3{margin:.1rem 0 .7rem;color:#eef7fb}.legal-content h4{margin:1rem 0 .35rem;color:#dff4f7}.legal-content p,.legal-content li{color:#aebcc8;line-height:1.68}.legal-content ul{margin:.45rem 0 .2rem;padding-left:1.2rem}.legal-content a{color:#1fd7ef}.legal-meta{font-size:.92rem;color:#7f8d9a}.legal-warning{border-color:rgba(255,74,74,.22)!important}.legal-table{width:100%;border-collapse:collapse;margin:.8rem 0}.legal-table th,.legal-table td{border-bottom:1px solid rgba(255,255,255,.08);padding:.75rem;text-align:left;vertical-align:top;color:#aebcc8}.legal-table th{color:#eef7fb}.site-header.legal-header{position:sticky}.legal-content .small-note{font-size:.95rem;color:#94a3ad}

.about-single{max-width:920px}.download-actions-primary{margin:22px 0 20px}.download-actions-primary .btn-primary{font-size:1.02rem;min-width:min(100%,330px)}

.region-tags{justify-content:center;margin-top:-18px}.region-section .section-head{margin-bottom:28px}
.external-actions{margin:24px 0 0}.external-actions .btn{min-height:48px;padding:0 22px}

/* v16: Hero-Schlagworte dezenter darstellen */
.hero-tags-subtle {
  gap: 10px;
  margin-top: 22px;
}

.hero-tags-subtle span {
  padding: 8px 13px;
  font-size: 0.88rem;
  line-height: 1.15;
  color: rgba(235, 250, 255, 0.74);
  border-color: rgba(0, 252, 252, 0.22);
  background: rgba(2, 12, 15, 0.28);
  box-shadow: none;
}

.hero-tags-subtle span:hover {
  color: rgba(255, 255, 255, 0.88);
  border-color: rgba(0, 252, 252, 0.32);
}

/* v20: c't-Fachlinks dezent nach Synology/Nextcloud zuordnen */
.btn-source-synology {
  background: rgba(0, 252, 120, 0.075);
  border-color: rgba(0, 252, 120, 0.30);
}

.btn-source-nextcloud {
  background: rgba(0, 156, 255, 0.075);
  border-color: rgba(0, 156, 255, 0.30);
}

.btn-source-synology:hover {
  background: rgba(0, 252, 120, 0.12);
  border-color: rgba(0, 252, 120, 0.42);
}

.btn-source-nextcloud:hover {
  background: rgba(0, 156, 255, 0.12);
  border-color: rgba(0, 156, 255, 0.42);
}

/* v22: Nextcloud-Buttonfarbe mit höherer Spezifität erzwingen */
.external-actions .btn.btn-source-synology {
  background: rgba(0, 252, 120, 0.075);
  border-color: rgba(0, 252, 120, 0.30);
}

.external-actions .btn.btn-source-nextcloud {
  background: rgba(0, 156, 255, 0.075);
  border-color: rgba(0, 156, 255, 0.30);
}

.external-actions .btn.btn-source-synology:hover {
  background: rgba(0, 252, 120, 0.12);
  border-color: rgba(0, 252, 120, 0.42);
}

.external-actions .btn.btn-source-nextcloud:hover {
  background: rgba(0, 156, 255, 0.12);
  border-color: rgba(0, 156, 255, 0.42);
}