:root {
  --bg: #f7f8fa;
  --fg: #1d2530;
  --muted: #5d6b7c;
  --accent: #0b5cad;
  --card: #ffffff;
  --line: #dde3ea;
  --danger: #b3261e;
  --ok: #1b7a3d;
}
* { box-sizing: border-box; }
body { margin: 0; font: 16px/1.55 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; background: var(--bg); color: var(--fg); }
a { color: var(--accent); }
header.top { display: flex; flex-wrap: wrap; gap: .5rem 2rem; align-items: center; justify-content: space-between; padding: .8rem 1.25rem; background: var(--card); border-bottom: 1px solid var(--line); }
.brand { font-weight: 700; text-decoration: none; color: var(--fg); }
nav { display: flex; flex-wrap: wrap; gap: .4rem 1.2rem; align-items: center; }
main { max-width: 52rem; margin: 0 auto; padding: 1.5rem 1.25rem 3rem; }
footer { text-align: center; padding: 1.5rem; color: var(--muted); font-size: .9rem; }
h1 { font-size: 1.8rem; margin-top: 0; }
h2 { font-size: 1.25rem; margin-top: 2rem; }
.lead { font-size: 1.1rem; color: var(--muted); }
.muted { color: var(--muted); font-size: .92rem; }
.error { color: var(--danger); }
.ok { color: var(--ok); }
.notice { background: #fff8e1; border: 1px solid #f0d98a; padding: .6rem .9rem; border-radius: 6px; }
.tag { font-size: .75rem; background: #e8eef5; color: var(--muted); padding: .1rem .45rem; border-radius: 999px; vertical-align: middle; }
ul.cards { list-style: none; padding: 0; display: grid; gap: .75rem; }
ul.cards li { background: var(--card); border: 1px solid var(--line); border-radius: 8px; padding: .8rem 1rem; }
ul.cards li p { margin: .4rem 0; }
dl { display: grid; grid-template-columns: max-content 1fr; gap: .25rem 1rem; }
dt { font-weight: 600; } dd { margin: 0; }
form.stack { display: grid; gap: .9rem; }
form.narrow { max-width: 34rem; }
fieldset { border: 1px solid var(--line); border-radius: 8px; padding: .8rem 1rem 1rem; display: grid; gap: .8rem; }
legend { font-weight: 600; padding: 0 .4rem; }
.contact { display: grid; grid-template-columns: 1fr 1fr; gap: .6rem; padding-bottom: .8rem; border-bottom: 1px dashed var(--line); }
.contact .check { grid-column: 1 / -1; }
@media (max-width: 600px) { .contact { grid-template-columns: 1fr; } }
label { display: grid; gap: .25rem; font-weight: 500; }
label.check { display: flex; gap: .5rem; align-items: center; font-weight: 400; }
input, textarea, select { font: inherit; padding: .5rem .6rem; border: 1px solid #b9c3cf; border-radius: 6px; background: #fff; width: 100%; }
input[type=checkbox] { width: auto; }
button, .button { font: inherit; background: var(--accent); color: #fff; border: 0; border-radius: 6px; padding: .55rem 1rem; cursor: pointer; text-decoration: none; display: inline-block; }
button.link { background: none; color: var(--accent); padding: 0; text-decoration: underline; }
button.danger { color: var(--danger); }
form.inline { display: inline; }