:root {
  --fg: #1f2937;
  --bg: #f7f7f5;
  --card: #ffffff;
  --primary: #1d4ed8;
  --primary-dark: #1e3a8a;
  --success: #047857;
  --warn: #b45309;
  --error: #b91c1c;
  --border: #d1d5db;
  --muted: #6b7280;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body { font-family: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif; color: var(--fg); background: var(--bg); line-height: 1.5; -webkit-text-size-adjust: 100%; }
.wrap { max-width: 760px; margin: 0 auto; padding: 1rem 1.25rem; }
header.banner { background: var(--primary-dark); color: white; padding: 1.25rem 0; }
header.banner.success { background: var(--success); }
header h1 { margin: 0 0 .25rem; font-size: 1.5rem; }
header .sub { margin: 0; opacity: 0.95; }
main { padding-bottom: 3rem; }
section { margin-top: 1.5rem; }
.petition-text { background: var(--card); padding: 1.25rem 1.5rem; border-radius: 8px; box-shadow: 0 1px 3px rgba(0,0,0,.06); }
.petition-text h2 { margin-top: 0; }
.petition-text h3 { margin-top: 1.25rem; font-size: 1.05rem; }
.petition-text ul { padding-left: 1.25rem; }
.form-card { background: var(--card); padding: 1.25rem 1.5rem; border-radius: 8px; box-shadow: 0 1px 3px rgba(0,0,0,.06); border-top: 4px solid var(--primary); }
.form-card h2 { margin-top: 0; }
.form-card .hint { color: var(--muted); font-size: .95rem; }
form label { display: block; margin: 1rem 0 .25rem; font-weight: 600; }
form .opt { font-weight: 400; color: var(--muted); font-size: .85rem; }
form input[type=text], form input[type=tel], form input[type=email] {
  width: 100%; padding: .65rem .75rem; font-size: 1rem;
  border: 1px solid var(--border); border-radius: 6px; background: white;
}
form input:focus { outline: 2px solid var(--primary); outline-offset: 1px; }
fieldset { border: 1px solid var(--border); border-radius: 6px; padding: .75rem 1rem; margin-top: 1rem; }
fieldset legend { padding: 0 .35rem; font-weight: 600; }
fieldset.row { display: flex; gap: 1rem; align-items: center; }
.radio, .check { display: inline-flex; align-items: center; gap: .35rem; font-weight: 400; margin-right: 1rem; }
.check.consent { display: flex; align-items: flex-start; margin-top: 1rem; padding: .75rem; background: #eff6ff; border-left: 3px solid var(--primary); border-radius: 4px; gap: .5rem; }
.btn-primary {
  display: inline-block; margin-top: 1.25rem; padding: .85rem 1.5rem;
  font-size: 1.05rem; font-weight: 600; color: white; background: var(--primary);
  border: none; border-radius: 6px; cursor: pointer; width: 100%;
}
.btn-primary:hover { background: var(--primary-dark); }
.legal { font-size: .8rem; color: var(--muted); margin-top: .75rem; }
.errors { background: #fef2f2; border-left: 4px solid var(--error); padding: .75rem 1rem; border-radius: 4px; margin: 1rem 0; color: #7f1d1d; }
.errors ul { margin: .25rem 0 0 1rem; padding: 0; }
.counter { background: white; border: 1px dashed var(--primary); padding: .75rem 1rem; border-radius: 6px; text-align: center; font-size: 1.05rem; }
.card { background: var(--card); padding: 1.25rem 1.5rem; border-radius: 8px; box-shadow: 0 1px 3px rgba(0,0,0,.06); }
.invite { border-top: 4px solid var(--success); }
.invite h2 { margin-top: 0; color: var(--success); }
.invite .big { font-size: 1.05rem; }
.invite-table { width: 100%; border-collapse: collapse; margin: .75rem 0; }
.invite-table th, .invite-table td { text-align: left; padding: .5rem .25rem; border-bottom: 1px solid var(--border); vertical-align: top; }
.invite-table th { width: 30%; color: var(--muted); font-weight: 600; }
.legal-note { font-size: .9rem; color: var(--muted); }
.share { border-top: 4px solid var(--warn); }
.share code { display: inline-block; padding: .35rem .5rem; background: #f3f4f6; border-radius: 4px; font-size: .9rem; word-break: break-all; }
.share button { padding: .35rem .75rem; font-size: .9rem; cursor: pointer; border: 1px solid var(--border); background: white; border-radius: 4px; }
.success-card code { background: #f3f4f6; padding: .15rem .35rem; border-radius: 3px; font-size: .9rem; }
.back { text-align: center; margin-top: 2rem; }
.back a { color: var(--primary); text-decoration: none; font-weight: 600; }
footer { background: #111827; color: #d1d5db; padding: 1rem 0; font-size: .85rem; }
@media (max-width: 480px) {
  header h1 { font-size: 1.2rem; }
  .wrap { padding: .75rem 1rem; }
  fieldset.row { flex-direction: column; align-items: flex-start; }
}