:root {
  color-scheme: light dark;
  --bg: #f6f7f9;
  --card: #ffffff;
  --line: #e3e6ea;
  --ink: #1a1d21;
  --muted: #5c6672;
  --accent: #1f6feb;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14171a; --card: #1e2226; --line: #2c3136;
    --ink: #e8eaed; --muted: #9aa4af; --accent: #6aa2ff;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 16px/1.6 -apple-system, "Segoe UI", system-ui, sans-serif;
}
.wrap { max-width: 44rem; margin: 0 auto; padding: 48px 20px 80px; }
h1 { font-size: 26px; letter-spacing: -0.01em; margin: 0 0 4px; }
h2 { font-size: 17px; margin: 32px 0 8px; }
.lede { color: var(--muted); margin: 0 0 32px; }
.card {
  background: var(--card); border: 1px solid var(--line);
  border-radius: 12px; padding: 28px;
}
label { display: block; font-weight: 600; font-size: 14px; margin: 18px 0 6px; }
input[type=text], input[type=tel], input[type=email], textarea {
  width: 100%; padding: 10px 12px; font: inherit; color: var(--ink);
  background: var(--bg); border: 1px solid var(--line); border-radius: 8px;
}
.consent {
  display: flex; gap: 12px; align-items: flex-start;
  margin: 28px 0 8px; padding: 18px; border: 1px solid var(--line);
  border-radius: 10px; background: var(--bg);
}
.consent input { margin-top: 4px; width: 18px; height: 18px; flex: none; }
.consent span { font-size: 14px; }
button {
  margin-top: 22px; padding: 12px 22px; font: inherit; font-weight: 600;
  color: #fff; background: var(--accent); border: 0; border-radius: 8px;
  cursor: pointer;
}
button[disabled] { opacity: .5; cursor: not-allowed; }
small, .fine { color: var(--muted); font-size: 13px; }
a { color: var(--accent); }
footer { margin-top: 40px; font-size: 13px; color: var(--muted); }
.msg { margin-top: 18px; padding: 12px 14px; border-radius: 8px; font-size: 14px; display: none; }
.msg.ok  { display: block; background: #e8f6ec; color: #14532d; }
.msg.err { display: block; background: #fdeaea; color: #7f1d1d; }
ul { padding-left: 20px; }