:root {
  --ink: #16181c;
  --muted: #6b7280;
  --line: #d9dce1;
  --bg: #f6f7f9;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
        Helvetica, Arial, sans-serif;
}
.card {
  width: 100%;
  max-width: 460px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 40px 32px 28px;
}
h1 { margin: 0 0 12px; font-size: 25px; line-height: 1.25; letter-spacing: -0.01em; }
p  { margin: 0 0 24px; color: var(--muted); }
label { display: block; margin-bottom: 7px; font-size: 14px; font-weight: 600; color: var(--ink); }
input[type="email"], input[type="text"] {
  width: 100%;
  padding: 12px 14px;
  font: inherit;
  color: var(--ink);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 7px;
}
input[type="email"]:focus { outline: 2px solid var(--ink); outline-offset: 1px; border-color: var(--ink); }
button {
  margin-top: 18px;
  width: 100%;
  padding: 13px 18px;
  font: inherit;
  font-weight: 600;
  color: #fff;
  background: var(--ink);
  border: 0;
  border-radius: 7px;
  cursor: pointer;
}
button:hover { background: #000; }
.error {
  margin: 0 0 20px;
  padding: 11px 14px;
  color: #8a1c1c;
  background: #fdf0f0;
  border: 1px solid #f2c9c9;
  border-radius: 7px;
}
.foot { margin: 26px 0 0; padding-top: 18px; border-top: 1px solid var(--line);
        font-size: 13px; color: var(--muted); }

/* Honeypot. MUST be display:none. Chrome and Edge autofill offscreen fields
   (left:-9999px), which would flag genuine submissions as bots. */
.hp { display: none; }