:root {
  --bg: #f6f7fb;
  --card: #ffffff;
  --ink: #1a1a2e;
  --muted: #6b7280;
  --brand: #4338ca;
  --brand-dark: #3730a3;
  --border: #e5e7eb;
  --ok: #047857;
  --err: #b91c1c;
}
* { box-sizing: border-box; }
body {
  font-family: system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  background: var(--bg); color: var(--ink); margin: 0; line-height: 1.5;
}
header.site {
  background: var(--card); border-bottom: 1px solid var(--border);
  padding: .9rem 1.25rem; display: flex; align-items: center; justify-content: space-between;
}
header.site .brand { font-weight: 700; color: var(--brand); text-decoration: none; font-size: 1.05rem; }
header.site nav a { margin-left: 1rem; color: var(--muted); text-decoration: none; font-size: .9rem; }
header.site nav a:hover { color: var(--ink); }
main { max-width: 460px; margin: 2.5rem auto; padding: 0 1rem; }
main.wide { max-width: 900px; }
.card {
  background: var(--card); border: 1px solid var(--border); border-radius: 12px;
  padding: 1.75rem; box-shadow: 0 1px 2px rgba(0,0,0,.04);
}
h1 { font-size: 1.5rem; margin: 0 0 .25rem; }
h2 { font-size: 1.1rem; margin: 1.5rem 0 .5rem; }
.sub { color: var(--muted); margin-top: 0; }
label { display: block; font-size: .85rem; font-weight: 600; margin: .9rem 0 .3rem; }
input, select, textarea {
  width: 100%; padding: .6rem .7rem; border: 1px solid var(--border);
  border-radius: 8px; font-size: 1rem; font-family: inherit; background: #fff; color: var(--ink);
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--brand); border-color: var(--brand); }
button {
  margin-top: 1.25rem; width: 100%; padding: .7rem; border: 0; border-radius: 8px;
  background: var(--brand); color: #fff; font-size: 1rem; font-weight: 600; cursor: pointer;
}
button:hover { background: var(--brand-dark); }
button.secondary { background: #eef2ff; color: var(--brand); }
button.link { background: none; color: var(--brand); width: auto; padding: 0; margin: 1rem 0 0; font-weight: 600; }
.row { display: flex; gap: .75rem; }
.row > * { flex: 1; }
.msg { margin-top: 1rem; padding: .6rem .75rem; border-radius: 8px; font-size: .9rem; display: none; }
.msg.show { display: block; }
.msg.error { background: #fef2f2; color: var(--err); border: 1px solid #fecaca; }
.msg.ok { background: #ecfdf5; color: var(--ok); border: 1px solid #a7f3d0; }
.hidden { display: none; }
.honeypot { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.qblock { border: 1px solid var(--border); border-radius: 8px; padding: .75rem; margin-top: .75rem; }
footer.disclaimer {
  max-width: 760px; margin: 3rem auto 2rem; padding: 1rem; font-size: .78rem;
  color: var(--muted); border-top: 1px solid var(--border); text-align: center;
}
.center { text-align: center; }
.muted { color: var(--muted); }