* { box-sizing: border-box; }
body {
  margin: 0; min-height: 100vh; display: grid; place-items: center; padding: 16px;
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif; color: #1f2a1d;
  background: #2c3a28 url("/img/hero.jpg") center / cover no-repeat;
}
.card {
  width: 100%; max-width: 360px; padding: 28px 24px; border-radius: 16px;
  background: rgba(250, 247, 240, 0.94); box-shadow: 0 20px 50px rgba(0,0,0,.35);
}
h1 { margin: 0; font: 600 2rem/1.1 Georgia, "Times New Roman", serif; color: #33502f; }
.sub { margin: 4px 0 20px; color: #5d6a58; }
label { display: block; font-weight: 600; margin-bottom: 6px; }
input {
  width: 100%; padding: 12px; font-size: 1rem; border: 1px solid #c9c2b0; border-radius: 10px; background: #fff;
}
input:focus { outline: 2px solid #4f7a47; outline-offset: 1px; }
button {
  width: 100%; margin-top: 16px; padding: 12px; border: 0; border-radius: 10px; cursor: pointer;
  background: #3f6539; color: #fff; font-size: 1rem; font-weight: 600;
}
button:hover { background: #335530; }
.err { color: #a23a1e; margin: 10px 0 0; font-size: .95rem; }