:root {
  --blue: #00A0E3;
  --navy: #00496D;
  --ink: #1d1d1b;
  --bg: #f4f7f9;
  --card: #ffffff;
  --muted: #6b7280;
  --border: #e3e8ee;
  --radius: 14px;
  --shadow: 0 6px 24px rgba(29, 29, 27, 0.08);
  --font: "Segoe UI", system-ui, -apple-system, Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  -webkit-font-smoothing: antialiased;
  line-height: 1.55;
}

a { color: var(--navy); }

.wrap {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 16px;
}

/* Header */
header.site {
  background: var(--card);
  border-bottom: 1px solid var(--border);
}
header.site .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  padding-bottom: 14px;
}
header.site img { height: 40px; }
header.site .tag {
  font-size: 13px;
  color: var(--muted);
}

/* Hero */
.hero {
  padding: 34px 0 18px;
}
.hero h1 {
  font-size: 27px;
  line-height: 1.25;
  margin: 0 0 8px;
  color: var(--navy);
}
.hero h1 .accent { color: var(--blue); }
.hero .claim {
  font-weight: 700;
  color: var(--blue);
  margin: 0 0 10px;
  letter-spacing: .2px;
  font-size: 18px;
}
.hero p {
  color: var(--muted);
  margin: 0;
  font-size: 15px;
}

/* Chat card */
.chat {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  min-height: 440px;
  margin-bottom: 22px;
}
.chat .messages {
  flex: 1;
  padding: 18px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.msg {
  max-width: 86%;
  padding: 11px 14px;
  border-radius: 14px;
  font-size: 15px;
  white-space: pre-wrap;
  word-wrap: break-word;
}
.msg.bot {
  align-self: flex-start;
  background: #eef5fb;
  border-bottom-left-radius: 4px;
}
.msg.user {
  align-self: flex-end;
  background: var(--blue);
  color: #fff;
  border-bottom-right-radius: 4px;
}
.msg.typing { color: var(--muted); font-style: italic; }

/* Gerenderte Markdown-Inhalte in Bot-Nachrichten */
.msg.md { white-space: normal; }
.msg.md p { margin: 0 0 .55em; }
.msg.md p:last-child { margin-bottom: 0; }
.msg.md ul, .msg.md ol { margin: .3em 0 .6em; padding-left: 1.3em; }
.msg.md li { margin: .15em 0; }
.msg.md h1, .msg.md h2, .msg.md h3 {
  margin: .4em 0 .3em; line-height: 1.25; color: var(--navy);
}
.msg.md h1 { font-size: 18px; }
.msg.md h2 { font-size: 16.5px; }
.msg.md h3 { font-size: 15.5px; }
.msg.md code {
  background: rgba(0, 73, 109, .08); padding: 1px 5px;
  border-radius: 5px; font-size: 13.5px;
  font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
}
.msg.md a { color: var(--navy); text-decoration: underline; }
.msg.md strong { font-weight: 700; }

/* Input */
.composer {
  display: flex;
  gap: 8px;
  padding: 12px;
  border-top: 1px solid var(--border);
  background: #fafcfe;
}
.composer textarea {
  flex: 1;
  resize: none;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 12px;
  font: inherit;
  font-size: 15px;
  max-height: 120px;
  outline: none;
}
.composer textarea:focus { border-color: var(--blue); }
button.send {
  background: var(--blue);
  color: #fff;
  border: 0;
  border-radius: 10px;
  padding: 0 18px;
  font-weight: 600;
  cursor: pointer;
  font-size: 15px;
}
button.send:hover { background: var(--navy); }
button.send:disabled { opacity: .5; cursor: not-allowed; }

/* Lead form */
.lead {
  border-top: 1px solid var(--border);
  background: #f0f8fe;
  padding: 16px;
}
.lead h3 { margin: 0 0 4px; font-size: 16px; color: var(--navy); }
.lead p.sub { margin: 0 0 12px; font-size: 13px; color: var(--muted); }
.lead .grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}
.lead input {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 9px;
  padding: 9px 11px;
  font: inherit;
  font-size: 14px;
  outline: none;
}
.lead input:focus { border-color: var(--blue); }
.lead .full { grid-column: 1 / -1; }
.lead label.consent {
  display: flex;
  gap: 8px;
  align-items: flex-start;
  font-size: 12.5px;
  color: var(--muted);
  margin: 10px 0;
}
.lead label.consent input { width: auto; margin-top: 2px; }
.lead .ok { color: #15803d; font-weight: 600; }

/* Footer */
footer.site {
  text-align: center;
  padding: 18px 0 34px;
  font-size: 13px;
  color: var(--muted);
}
footer.site a { margin: 0 8px; }

/* Consent modal */
.overlay {
  position: fixed;
  inset: 0;
  background: rgba(29, 29, 27, .55);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  z-index: 50;
}
.overlay[hidden] { display: none; }
.modal {
  background: var(--card);
  border-radius: var(--radius);
  max-width: 460px;
  width: 100%;
  padding: 24px;
  box-shadow: var(--shadow);
}
.modal h2 { margin: 0 0 10px; font-size: 19px; color: var(--navy); }
.modal p { font-size: 14px; color: #374151; margin: 0 0 12px; }
.modal .small { font-size: 12.5px; color: var(--muted); }
.modal .actions { display: flex; gap: 10px; margin-top: 16px; }
.btn-primary {
  background: var(--blue); color: #fff; border: 0; border-radius: 10px;
  padding: 11px 16px; font-weight: 600; cursor: pointer; font-size: 15px; flex: 1;
}
.btn-primary:hover { background: var(--navy); }
.btn-ghost {
  background: transparent; color: var(--muted); border: 1px solid var(--border);
  border-radius: 10px; padding: 11px 16px; cursor: pointer; font-size: 14px;
  text-decoration: none; display: flex; align-items: center;
}

.legal { padding: 30px 0; }
.legal h1 { font-size: 24px; color: var(--navy); }
.legal h2 { font-size: 18px; margin-top: 24px; color: var(--navy); }
.legal p, .legal li { font-size: 14.5px; color: #374151; }

@media (max-width: 560px) {
  .hero h1 { font-size: 23px; }
  .msg { max-width: 92%; }
}