/* Preview gate — remove at public launch */
:root {
  --primary: #123f7a;
  --ink: #16263f;
  --muted: #55657d;
  --line: #d9e2ee;
  --bg: #f4f7fb;
  --danger: #b3261e;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
}
.gate-banner {
  background: var(--danger);
  color: #fff;
  text-align: center;
  font-size: 0.9rem;
  padding: 0.5rem 1rem;
}
.gate-banner strong { text-transform: uppercase; letter-spacing: 0.04em; margin-right: 0.35rem; }
.gate {
  max-width: 440px;
  margin: 0 auto;
  padding: 3rem 16px 4rem;
}
.gate-brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--primary);
}
.gate-mark {
  display: inline-grid;
  place-items: center;
  width: 2.2rem;
  height: 2.2rem;
  border-radius: 0.6rem;
  background: var(--primary);
  color: #fff;
  font-weight: 800;
  font-size: 0.9rem;
}
h1 { font-size: 2rem; margin: 1.6rem 0 0.4rem; }
p { color: var(--muted); margin: 0 0 0.8rem; }
.gate-note { font-size: 0.9rem; }
.gate-form {
  margin-top: 2rem;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 1rem;
  padding: 1.4rem;
  display: grid;
  gap: 0.4rem;
}
.gate-form h2 { font-size: 1rem; margin: 0 0 0.4rem; }
.gate-form label { font-size: 0.85rem; font-weight: 600; margin-top: 0.4rem; }
.gate-form input {
  font: inherit;
  padding: 0.6rem 0.75rem;
  border: 1px solid var(--line);
  border-radius: 0.5rem;
}
.gate-form input:focus { outline: 2px solid var(--primary); outline-offset: 1px; }
.gate-form button {
  margin-top: 0.8rem;
  font: inherit;
  font-weight: 600;
  padding: 0.7rem;
  border: 0;
  border-radius: 999px;
  background: var(--primary);
  color: #fff;
  cursor: pointer;
}
.gate-error { color: var(--danger); font-size: 0.9rem; margin: 0; }