/* Jonetzko Digital landing. System fonts only (no external requests, TDDDG). */
:root {
  --ink: #1a1a1a;
  --muted: #5a5a5a;
  --line: #e2e2e2;
  --bg: #ffffff;
  --panel: #f6f5f2;
  --accent: #1b4f9c;
  --accent-ink: #ffffff;
  --max: 880px;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  font-size: 17px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--bg);
}
a { color: var(--accent); }
header, main, footer { max-width: var(--max); margin: 0 auto; padding: 0 16px; }
header { display: flex; justify-content: space-between; align-items: center; padding-top: 20px; padding-bottom: 20px; }
.brand { font-weight: 700; text-decoration: none; color: var(--ink); letter-spacing: 0.01em; }
nav a { margin-left: 18px; font-size: 15px; text-decoration: none; }
h1 { font-size: 2rem; line-height: 1.2; margin: 24px 0 12px; }
h2 { font-size: 1.4rem; margin: 40px 0 12px; }
h3 { font-size: 1.1rem; margin: 20px 0 6px; }
.lead { font-size: 1.15rem; color: var(--muted); margin: 0 0 24px; }
.proof { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin: 24px 0; }
.proof div { background: var(--panel); border-radius: 8px; padding: 14px; }
.proof strong { display: block; font-size: 1.5rem; }
.proof small { color: var(--muted); display: block; margin-top: 4px; font-size: 0.85rem; }
.belege { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin: -8px 0 24px; }
.belege figure { margin: 0; }
.belege img { width: 100%; height: auto; border: 1px solid var(--line); border-radius: 8px; display: block; }
.belege figcaption { color: var(--muted); font-size: 0.8rem; margin-top: 4px; }
.who { display: grid; grid-template-columns: 180px 1fr; gap: 20px; align-items: start; margin: 16px 0; }
.who img { width: 100%; height: auto; border-radius: 8px; }
.card { border: 1px solid var(--line); border-radius: 10px; padding: 18px 20px; margin: 14px 0; }
.card .price { font-weight: 700; }
ul { padding-left: 20px; }
form { background: var(--panel); border-radius: 10px; padding: 20px; margin: 16px 0; }
label { display: block; font-weight: 600; margin: 12px 0 4px; font-size: 15px; }
input[type=text], input[type=email], input[type=url] {
  width: 100%; padding: 10px 12px; border: 1px solid #bbb; border-radius: 6px; font-size: 16px; font-family: inherit;
}
.check { display: flex; gap: 10px; align-items: flex-start; font-weight: 400; margin-top: 14px; font-size: 15px; }
.check input { margin-top: 5px; }
button {
  margin-top: 16px; background: var(--accent); color: var(--accent-ink); border: 0; border-radius: 6px;
  padding: 12px 20px; font-size: 16px; font-weight: 600; cursor: pointer; font-family: inherit;
}
button[disabled] { opacity: 0.6; cursor: default; }
.hp { position: absolute; left: -9999px; }
.msg { margin-top: 12px; font-size: 15px; }
.msg.ok { color: #176b2b; }
.msg.err { color: #a31f1f; }
.small { font-size: 0.9rem; color: var(--muted); }
footer { border-top: 1px solid var(--line); margin-top: 48px; padding-top: 18px; padding-bottom: 32px; font-size: 14px; color: var(--muted); }
footer a { margin-right: 14px; }
@media (max-width: 640px) {
  .proof { grid-template-columns: 1fr; }
  .belege { grid-template-columns: 1fr; }
  .who { grid-template-columns: 1fr; }
  .who img { max-width: 220px; }
  h1 { font-size: 1.6rem; }
  nav a { margin-left: 10px; }
}