:root {
  --ink: #172433;
  --ink-soft: #405266;
  --muted: #687789;
  --line: #dde4ec;
  --bg: #ffffff;
  --bg-alt: #f5f8fb;
  --accent-a: #10d7e5;
  --accent-b: #1697ff;
  --code-bg: #172433;
  --code-fg: #cfe3f2;
  --warn-bg: #fff8e8;
  --warn-line: #e8c979;
}

@media (prefers-color-scheme: dark) {
  :root {
    --ink: #e9f0f7;
    --ink-soft: #b3c2d1;
    --muted: #8899aa;
    --line: #24313f;
    --bg: #0e1720;
    --bg-alt: #131e29;
    --code-bg: #060d14;
    --code-fg: #cfe3f2;
    --warn-bg: #241d0d;
    --warn-line: #5c4a1c;
  }
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

.wrap { max-width: 820px; margin: 0 auto; padding: 0 24px; }

a { color: var(--accent-b); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--accent-a); }

/* ---------- Hero ---------- */
header { padding: 72px 0 56px; }

.logo { width: 100%; max-width: 460px; height: auto; color: var(--ink); display: block; }

.tagline {
  margin: 28px 0 0;
  font-size: 1.35rem;
  line-height: 1.45;
  color: var(--ink-soft);
  max-width: 34em;
}

.badge {
  display: inline-block;
  margin-bottom: 28px;
  padding: 5px 13px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}

.rule {
  height: 3px;
  border: 0;
  margin: 56px 0;
  background: linear-gradient(90deg, var(--accent-a), var(--accent-b));
  border-radius: 2px;
  opacity: 0.85;
}

/* ---------- Sections ---------- */
section { padding: 8px 0 40px; }

h2 {
  font-size: 1.55rem;
  line-height: 1.3;
  margin: 48px 0 14px;
  letter-spacing: -0.01em;
}

h3 { font-size: 1.05rem; margin: 32px 0 6px; }

p { margin: 0 0 18px; }

.lead { font-size: 1.08rem; color: var(--ink-soft); }

/* ---------- Versprechen ---------- */
.promise {
  border-left: 3px solid transparent;
  border-image: linear-gradient(180deg, var(--accent-a), var(--accent-b)) 1;
  padding: 2px 0 2px 22px;
  margin: 0 0 30px;
}
.promise h3 { margin-top: 0; }
.promise p { margin-bottom: 0; color: var(--ink-soft); }

/* ---------- Feature-Listen ---------- */
.cols { display: grid; grid-template-columns: 1fr 1fr; gap: 8px 36px; }
@media (max-width: 620px) { .cols { grid-template-columns: 1fr; } }

ul.plain { list-style: none; padding: 0; margin: 0 0 18px; }
ul.plain li {
  padding: 7px 0 7px 26px;
  position: relative;
  color: var(--ink-soft);
  border-bottom: 1px solid var(--line);
}
ul.plain li::before {
  content: "";
  position: absolute;
  left: 4px; top: 17px;
  width: 8px; height: 8px;
  border-radius: 2px;
  background: linear-gradient(135deg, var(--accent-a), var(--accent-b));
}

.box {
  background: var(--bg-alt);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 22px 24px;
  margin: 0 0 20px;
}
.box h3 { margin-top: 0; }
.box p:last-child { margin-bottom: 0; }

.note {
  background: var(--warn-bg);
  border: 1px solid var(--warn-line);
  border-radius: 10px;
  padding: 18px 22px;
  font-size: 0.95rem;
  color: var(--ink-soft);
}
.note p:last-child { margin-bottom: 0; }

code {
  background: var(--code-bg);
  color: var(--code-fg);
  padding: 2px 7px;
  border-radius: 5px;
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.88em;
}

/* ---------- Footer ---------- */
footer {
  margin-top: 64px;
  padding: 34px 0 64px;
  border-top: 1px solid var(--line);
  font-size: 0.9rem;
  color: var(--muted);
}
footer p { margin: 0 0 12px; }

/* ---------- Rechtstexte ---------- */
.legal h2 { font-size: 1.2rem; margin: 40px 0 10px; }
.legal h3 { font-size: 1rem; margin: 24px 0 6px; }
.legal p, .legal li { color: var(--ink-soft); }
.legal ul { padding-left: 22px; }
.legal ul li { margin-bottom: 5px; }
.legal address { font-style: normal; }

.back {
  display: inline-block;
  margin: 40px 0 8px;
  font-size: 0.92rem;
  color: var(--muted);
  text-decoration: none;
}
.back:hover { color: var(--accent-b); }
.back::before { content: "\2190\00a0"; }

.doc-title { font-size: 2rem; margin: 4px 0 32px; letter-spacing: -0.02em; }