:root{
  --ink:#0f2540;
  --ink-soft:#33455c;
  --teal:#0ea5b7;
  --teal-d:#0b8696;
  --teal-l:#38e0c8;
  --blue:#0284c7;
  --bg:#ffffff;
  --bg-alt:#f1f6f9;
  --line:#dbe5ec;
  --muted:#5b6b78;
}
*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  font-family:-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  color:var(--ink);
  background:var(--bg);
  line-height:1.6;
  font-size:17px;
}
.wrap{ max-width:1000px; margin:0 auto; padding:0 22px; }
a{ color:var(--blue); text-decoration:none; }
a:hover{ text-decoration:underline; }
h1,h2,h3{ color:var(--ink); line-height:1.2; }
.mono{ font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace; }

/* Header */
.site-header{ background:var(--ink); position:sticky; top:0; z-index:50; }
.header-inner{ display:flex; align-items:center; justify-content:space-between; height:64px; }
.logo{ display:flex; align-items:center; }
.nav{ display:flex; align-items:center; gap:22px; }
.nav a{ color:#cbd8e2; font-size:15px; font-weight:600; }
.nav a:hover{ color:#fff; text-decoration:none; }
.nav-cta{ background:var(--teal); color:#fff !important; padding:8px 16px; border-radius:8px; }
.nav-cta:hover{ background:var(--teal-d); }

/* Hero */
.hero{ background:linear-gradient(180deg,#0f2540 0%,#163455 100%); color:#fff; padding:62px 0 58px; }
.hero h1{ color:#fff; font-size:40px; font-weight:800; letter-spacing:-0.5px; margin:0 0 16px; max-width:18ch; }
.hero .lead{ color:#d6e2ec; font-size:19px; max-width:62ch; margin:0 0 28px; }
.hero-actions{ display:flex; flex-wrap:wrap; gap:14px; }
.btn{ display:inline-block; padding:13px 24px; border-radius:10px; font-weight:700; font-size:16px; }
.btn:hover{ text-decoration:none; }
.btn-primary{ background:var(--teal); color:#fff; }
.btn-primary:hover{ background:var(--teal-d); }
/* Ghost-Button: Standard für helle Flächen (dunkle Schrift/Rahmen) */
.btn-ghost{ background:transparent; color:var(--ink); border:1.5px solid var(--teal); }
.btn-ghost:hover{ background:var(--teal); color:#fff; }
/* Auf dunklem Grund (Hero): weiße Schrift/heller Rahmen */
.hero .btn-ghost{ color:#fff; border-color:#44617f; background:transparent; }
.hero .btn-ghost:hover{ border-color:#7da3c4; background:transparent; color:#fff; }

/* Bands */
.band{ padding:54px 0; }
.band-alt{ background:var(--bg-alt); }
.band h2{ font-size:27px; font-weight:800; margin:0 0 26px; }

/* Analogie */
.analogy{ display:grid; grid-template-columns:repeat(3,1fr); gap:22px; }
.analogy-step{ background:#fff; border:1px solid var(--line); border-radius:14px; padding:22px; position:relative; }
.band-alt .analogy-step{ background:#fff; }
.analogy-step .num{
  width:34px; height:34px; border-radius:50%; background:var(--teal);
  color:#fff; font-weight:800; display:flex; align-items:center; justify-content:center; margin-bottom:12px;
}
.analogy-step h3{ font-size:17px; margin:0 0 8px; }
.analogy-step p{ margin:0; color:var(--ink-soft); font-size:15.5px; }

/* Cards */
.cards{ display:grid; grid-template-columns:repeat(3,1fr); gap:22px; }
.card{ background:#fff; border:1px solid var(--line); border-left:4px solid var(--teal); border-radius:12px; padding:20px 22px; }
.card h3{ font-size:17px; margin:0 0 8px; }
.card p{ margin:0; color:var(--ink-soft); font-size:15.5px; }

/* Siegel */
.seals{ display:grid; grid-template-columns:repeat(3,1fr); gap:22px; }
.seal{ background:#fff; border:1px solid var(--line); border-radius:12px; padding:22px; }
.seal-tag{
  display:inline-block; font-family:ui-monospace,Menlo,Consolas,monospace;
  background:var(--ink); color:#fff; font-weight:700; padding:4px 12px; border-radius:7px; margin-bottom:12px; font-size:15px;
}
.seal p{ margin:0; color:var(--ink-soft); font-size:15.5px; }

.note{
  margin-top:26px; background:#fff; border:1px solid var(--line); border-left:4px solid var(--blue);
  border-radius:10px; padding:16px 18px; font-size:15.5px; color:var(--ink-soft);
}

/* Steps */
.steps{ counter-reset:s; list-style:none; padding:0; margin:0 0 18px; max-width:70ch; }
.steps li{ position:relative; padding:12px 0 12px 44px; border-bottom:1px solid var(--line); color:var(--ink-soft); }
.steps li:last-child{ border-bottom:none; }
.steps li::before{
  counter-increment:s; content:counter(s);
  position:absolute; left:0; top:11px; width:28px; height:28px; border-radius:50%;
  background:var(--teal); color:#fff; font-weight:800; display:flex; align-items:center; justify-content:center; font-size:14px;
}
.hint{ color:var(--muted); font-size:15px; margin:0 0 22px; }

/* Footer */
.site-footer{ background:var(--ink); color:#9fb2c2; padding:26px 0; font-size:14px; margin-top:10px; }
.footer-inner{ display:flex; flex-wrap:wrap; justify-content:space-between; gap:12px; }
.footer-links{ display:flex; gap:18px; flex-wrap:wrap; }
.site-footer a{ color:#cbd8e2; }

/* Technikseite */
.page-head{ background:linear-gradient(180deg,#0f2540 0%,#163455 100%); color:#fff; padding:46px 0 40px; }
.page-head h1{ color:#fff; font-size:32px; margin:0 0 10px; }
.page-head p{ color:#d6e2ec; max-width:64ch; margin:0; }
.toc{ background:#fff; border:1px solid var(--line); border-radius:12px; padding:18px 22px; margin:30px 0; }
.toc strong{ display:block; margin-bottom:8px; font-size:14px; text-transform:uppercase; letter-spacing:.5px; color:var(--muted); }
.toc ul{ margin:0; padding-left:18px; columns:2; }
.toc li{ margin:4px 0; }
.prose{ max-width:74ch; }
.prose h2{ font-size:24px; margin:38px 0 12px; padding-bottom:6px; border-bottom:2px solid var(--line); }
.prose h3{ font-size:18px; margin:22px 0 8px; color:var(--teal-d); }
.prose p, .prose li{ color:var(--ink-soft); font-size:16px; }
.prose code{ font-family:ui-monospace,Menlo,Consolas,monospace; background:#eef3f7; padding:2px 6px; border-radius:5px; font-size:14px; color:var(--ink); }
pre{ background:#0f2540; color:#e7eff6; padding:16px 18px; border-radius:10px; overflow-x:auto; font-size:13.5px; line-height:1.5; }
pre code{ background:none; color:inherit; padding:0; }
.box{ border:1px solid var(--line); border-radius:10px; padding:16px 18px; margin:16px 0; font-size:15.5px; }
.box.warn{ border-left:4px solid var(--amber,#e08e0b); background:#fdf8ec; }
.box.bad{ border-left:4px solid #c0392b; background:#fdf3f2; }
.box.ok{ border-left:4px solid var(--teal); background:#ecfbfd; }
.tooltable{ width:100%; border-collapse:collapse; margin:14px 0; font-size:15px; }
.tooltable th,.tooltable td{ border:1px solid var(--line); padding:9px 12px; text-align:left; vertical-align:top; }
.tooltable th{ background:var(--ink); color:#fff; }
.toollist{ display:grid; grid-template-columns:repeat(2,1fr); gap:14px; margin:14px 0; }
.toollink{ display:block; background:#fff; border:1px solid var(--line); border-radius:10px; padding:14px 16px; }
.toollink:hover{ border-color:var(--teal); text-decoration:none; }
.toollink b{ color:var(--ink); }
.toollink span{ display:block; color:var(--muted); font-size:14px; margin-top:2px; }

/* Responsive */
@media (max-width:820px){
  .analogy,.cards,.seals,.toollist{ grid-template-columns:1fr; }
  .hero h1{ font-size:31px; }
  .nav{ gap:14px; }
  .nav a:not(.nav-cta){ display:none; }
  .toc ul{ columns:1; }
}