/* style.css – backlinkr.de */

/* Reset */
*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;line-height:1.55;color:#252740;background:#fff}

/* Farbvariablen */
:root{
  --ink:#252740;
  --blue:#145AAB;
  --green:#0AB585;
  --white:#ffffff;
  --muted:#6b6f86;
  --border:#e7e9f2;
  --soft:#f6f7fb;
  --shadow:0 10px 30px rgba(37,39,64,.10);
}

/* Layout */
.container{max-width:1140px;margin:0 auto;padding:0 18px}
.wrap{position:relative;min-height:100vh;overflow:hidden}

/* Canvas Background */
#bg-net{
  position:fixed;
  inset:0;
  z-index:0;
  width:100%;
  height:100%;
  pointer-events:none;
}

/* Content Layer */
.site{
  position:relative;
  z-index:1;
}

/* Topbar */
.topbar{
  position:sticky;
  top:0;
  z-index:5;
  background:rgba(255,255,255,.88);
  backdrop-filter:saturate(130%) blur(10px);
  border-bottom:1px solid var(--border);
}
.topbar-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  padding:12px 0;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  text-decoration:none;
  color:var(--ink);
}
.brand img{
  height:34px;
  width:auto;
  display:block;
}
.brand span{
  font-weight:700;
  letter-spacing:.2px;
}

/* Navigation */
.nav{
  display:flex;
  align-items:center;
  gap:14px;
  flex-wrap:wrap;
}
.nav a{
  text-decoration:none;
  color:var(--ink);
  padding:8px 10px;
  border-radius:8px;
}
.nav a:hover{
  background:var(--soft);
}

/* Buttons */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  padding:12px 14px;
  border:1px solid var(--border);
  background:#fff;
  color:var(--ink);
  text-decoration:none;
  cursor:pointer;
  border-radius:0; /* eckig */
  transition:transform .08s ease, box-shadow .12s ease, background .12s ease, border-color .12s ease;
}
.btn:hover{
  box-shadow:var(--shadow);
  transform:translateY(-1px);
  border-color:#d6d9ea;
}
.btn:active{transform:translateY(0)}
.btn-primary{
  background:var(--blue);
  border-color:var(--blue);
  color:#fff;
}
.btn-primary:hover{background:#0f4f97;border-color:#0f4f97}
.btn-success{
  background:var(--green);
  border-color:var(--green);
  color:#fff;
}
.btn-success:hover{background:#089a72;border-color:#089a72}
.btn-ghost{
  background:transparent;
  border-color:var(--border);
}
.btn-small{padding:10px 12px;font-size:14px}

/* Hero */
.hero{
  padding:56px 0 22px;
}
.hero-grid{
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:24px;
  align-items:stretch;
}
.kicker{
  display:inline-block;
  padding:6px 10px;
  border:1px solid var(--border);
  background:#fff;
  color:var(--muted);
  border-radius:0;
  font-size:13px;
}
h1{
  margin:14px 0 10px;
  font-size:38px;
  line-height:1.12;
  letter-spacing:-.6px;
  color:var(--ink);
}
.lead{
  margin:0 0 16px;
  font-size:18px;
  color:#3b3f5a;
  max-width:62ch;
}
.hero-actions{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  margin-top:14px;
}
.hero-note{
  margin-top:12px;
  color:var(--muted);
  font-size:14px;
}

/* Cards / Boxen (eckig) */
.card{
  background:#fff;
  border:1px solid var(--border);
  border-radius:0;
  box-shadow:0 12px 32px rgba(37,39,64,.06);
}
.card-pad{padding:18px}
.card h2,.card h3,.card h4{margin-top:0}
.card p{margin:10px 0}

/* CTA mit Produktbild */
.product-cta{
  display:grid;
  grid-template-columns:1fr;
  gap:12px;
  height:100%;
}
.product-visual{
  border:1px dashed #dfe3f3;
  background:linear-gradient(180deg, #ffffff, #f7f8fd);
  aspect-ratio:16/9;
  display:flex;
  align-items:center;
  justify-content:center;
  padding:14px;
}
.product-visual img{
  max-width:100%;
  height:auto;
  display:block;
}
.product-visual .ph{
  color:var(--muted);
  font-size:13px;
  text-align:center;
}
.product-meta{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
}

/* Sections */
.section{padding:26px 0}
.section h2{
  font-size:26px;
  margin:0 0 10px;
}
.section h3{
  font-size:20px;
  margin:0 0 10px;
}
.section h4{
  font-size:16px;
  margin:0 0 8px;
  color:#343857;
}
.muted{color:var(--muted)}
.grid-3{
  display:grid;
  grid-template-columns:repeat(3, 1fr);
  gap:14px;
}

/* Lists */
ul.clean{
  margin:10px 0 0;
  padding-left:18px;
}
ul.clean li{margin:6px 0}

/* Table */
.table{
  width:100%;
  border-collapse:collapse;
  border:1px solid var(--border);
  border-radius:0;
  overflow:hidden;
}
.table th,.table td{
  text-align:left;
  padding:12px 12px;
  border-bottom:1px solid var(--border);
  vertical-align:top;
}
.table th{
  background:var(--soft);
  color:#31355a;
  font-weight:600;
}
.table tr:last-child td{border-bottom:none}
.badge{
  display:inline-block;
  padding:4px 8px;
  border:1px solid var(--border);
  border-radius:0;
  font-size:12px;
  color:#3a3f5f;
  background:#fff;
}
.badge-blue{border-color:rgba(20,90,171,.35); color:var(--blue)}
.badge-green{border-color:rgba(10,181,133,.35); color:var(--green)}

/* FAQ */
.faq{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:14px;
}
.faq details{
  border:1px solid var(--border);
  border-radius:0;
  padding:12px 12px;
  background:#fff;
}
.faq summary{
  cursor:pointer;
  font-weight:600;
  color:#343857;
}
.faq p{margin:10px 0 0}

/* Footer */
.footer{
  border-top:1px solid var(--border);
  padding:18px 0;
  margin-top:28px;
  background:#fff;
}
.footer-inner{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:14px;
  flex-wrap:wrap;
}
.footer a{color:var(--blue);text-decoration:none}
.footer a:hover{text-decoration:underline}

/* Mobile */
@media (max-width: 980px){
  .hero-grid{grid-template-columns:1fr}
  h1{font-size:34px}
  .faq{grid-template-columns:1fr}
}
@media (max-width: 760px){
  .grid-3{grid-template-columns:1fr}
  .nav{gap:6px}
  .nav a{padding:8px 8px}
  .brand span{display:none}
  .hero{padding-top:42px}
}

/* Abschnitts-Header in weiße Box packen, damit es vor dem Canvas-Background immer lesbar bleibt */
.section-head{
  background:#fff;
  border:1px solid var(--border);
  border-radius:0;
  box-shadow:0 12px 32px rgba(37,39,64,.06);
  padding:16px 18px;
  margin:0 0 14px 0;
}

.section-head h2{
  margin:0 0 8px 0;
}

.section-head .muted{
  margin:0;
}