:root {
  --bg: hsl(40 20% 98%);
  --card: #fff;
  --fg: hsl(220 20% 15%);
  --muted: hsl(220 10% 45%);
  --border: hsl(220 15% 90%);
  --primary: hsl(201 75% 42%);
  --primary-soft: hsl(201 75% 95%);
  --danger: hsl(0 72% 45%);
  --danger-soft: hsl(0 72% 96%);
  --success: hsl(150 60% 30%);
  --success-soft: hsl(150 50% 94%);
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: hsl(220 20% 10%);
    --card: hsl(220 20% 13%);
    --fg: hsl(220 10% 90%);
    --muted: hsl(220 10% 62%);
    --border: hsl(220 20% 22%);
    --primary: hsl(201 75% 58%);
    --primary-soft: hsl(201 50% 18%);
    --danger: hsl(0 80% 68%);
    --danger-soft: hsl(0 45% 17%);
    --success: hsl(150 55% 60%);
    --success-soft: hsl(150 35% 15%);
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: Inter, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.65;
}
a { color: var(--primary); }
.top {
  border-bottom: 1px solid var(--border);
  background: var(--card);
}
.top-inner, main, .foot-inner {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 16px;
}
.top-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  padding-top: 14px;
  padding-bottom: 14px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 18px;
  color: var(--fg);
  text-decoration: none;
}
.brand img { width: 24px; height: 24px; }
nav { display: flex; gap: 16px; flex-wrap: wrap; font-size: 14px; }
nav a { color: var(--muted); text-decoration: none; }
nav a:hover, nav a[aria-current="page"] { color: var(--primary); }
main { padding-top: 36px; padding-bottom: 56px; }
h1 { font-size: 30px; line-height: 1.2; margin: 0 0 6px; letter-spacing: -0.01em; }
h2 { font-size: 20px; line-height: 1.3; margin: 36px 0 8px; }
h3 { font-size: 16px; margin: 22px 0 4px; }
p, ul, ol { margin: 0 0 14px; }
ul, ol { padding-left: 22px; }
li { margin-bottom: 6px; }
.meta { color: var(--muted); font-size: 14px; margin-bottom: 24px; }
.lead { font-size: 17px; }
.note, .warn, .ok {
  border-radius: 10px;
  padding: 14px 16px;
  margin: 0 0 18px;
  font-size: 15px;
}
.note { background: var(--primary-soft); }
.warn { background: var(--danger-soft); }
.ok { background: var(--success-soft); color: var(--success); font-weight: 600; }
.table-wrap { overflow-x: auto; margin: 0 0 18px; }
table { border-collapse: collapse; width: 100%; font-size: 14.5px; }
th, td { text-align: left; vertical-align: top; padding: 9px 10px; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-weight: 600; white-space: nowrap; }
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  margin: 0 0 22px;
}
form { display: grid; gap: 14px; }
label { display: grid; gap: 5px; font-size: 14px; font-weight: 600; }
label small { font-weight: 400; color: var(--muted); }
input[type="text"], input[type="tel"], input[type="email"], textarea {
  width: 100%;
  font: inherit;
  color: var(--fg);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
}
input:focus-visible, textarea:focus-visible, button:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 1px;
}
fieldset { border: 0; padding: 0; margin: 0; display: grid; gap: 8px; }
legend { font-size: 14px; font-weight: 600; padding: 0; margin-bottom: 6px; }
.radio, .check { display: flex; gap: 10px; align-items: flex-start; font-weight: 400; font-size: 15px; }
.radio input, .check input { margin-top: 5px; }
button {
  font: inherit;
  font-weight: 600;
  color: #fff;
  background: var(--danger);
  border: 0;
  border-radius: 8px;
  padding: 11px 18px;
  cursor: pointer;
  justify-self: start;
}
@media (prefers-color-scheme: dark) { button { color: hsl(220 20% 10%); } }
button[disabled] { opacity: 0.6; cursor: default; }
.error { color: var(--danger); font-size: 14px; margin: 0; }
footer { border-top: 1px solid var(--border); color: var(--muted); font-size: 14px; }
.foot-inner { padding-top: 20px; padding-bottom: 28px; display: flex; gap: 16px; flex-wrap: wrap; justify-content: space-between; }
.foot-inner a { color: var(--muted); }