:root {
  --navy: #0b1f3a;
  --blue: #1565c0;
  --cyan: #29b6f6;
  --ink: #1b2430;
  --muted: #5b6676;
  --line: #dfe5ec;
  --bg: #f4f7fb;
  --card: #ffffff;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  font-size: 17px;
}
a { color: var(--blue); }
header {
  background: linear-gradient(135deg, var(--navy), var(--blue));
  color: #fff;
  padding: 48px 16px 72px;
  text-align: center;
}
header .brand {
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-size: 14px;
  opacity: 0.85;
  text-decoration: none;
  color: #fff;
}
header h1 { margin: 12px 0 8px; font-size: 34px; line-height: 1.2; }
header p { margin: 0 auto; max-width: 520px; opacity: 0.9; }
main {
  max-width: 640px;
  margin: -40px auto 0;
  padding: 0 16px 48px;
}
.card {
  background: var(--card);
  border-radius: 14px;
  box-shadow: 0 6px 24px rgba(11, 31, 58, 0.08);
  padding: 28px 24px;
  margin-bottom: 20px;
}
.card h2 { margin-top: 0; font-size: 22px; }
label.field { display: block; font-weight: 600; margin-bottom: 6px; }
input[type="tel"], input[type="text"] {
  width: 100%;
  padding: 14px;
  font-size: 18px;
  border: 1px solid var(--line);
  border-radius: 10px;
  margin-bottom: 16px;
}
input:focus { outline: 2px solid var(--cyan); border-color: var(--cyan); }
.consent {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  font-size: 14px;
  color: var(--muted);
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 14px;
  margin-bottom: 18px;
}
.consent input { margin-top: 4px; width: 20px; height: 20px; flex-shrink: 0; }
button {
  width: 100%;
  background: var(--blue);
  color: #fff;
  border: 0;
  border-radius: 10px;
  padding: 16px;
  font-size: 18px;
  font-weight: 700;
  cursor: pointer;
}
button:hover { background: var(--navy); }
.fine { font-size: 13px; color: var(--muted); margin-top: 14px; }
.hidden { display: none; }
.legal h2 { font-size: 18px; margin: 24px 0 6px; }
.legal p { margin: 0 0 10px; }
footer {
  text-align: center;
  font-size: 13px;
  color: var(--muted);
  padding: 0 16px 40px;
}
footer a { margin: 0 8px; }
@media (max-width: 480px) {
  header h1 { font-size: 27px; }
  .card { padding: 22px 18px; }
}