:root {
  --ink: #1d2330;
  --muted: #5d6675;
  --line: #dfe3ea;
  --paper: #fbfbf9;
  --card: #ffffff;
  --accent: #b6323c;
  --accent-dark: #8f232c;
  --blue: #23408f;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font: 16px/1.55 -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--ink);
  background: var(--paper);
}

a { color: var(--blue); }

.top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  padding: 14px 24px;
  border-bottom: 1px solid var(--line);
  background: var(--card);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  color: var(--ink);
  text-decoration: none;
}

.mark {
  display: inline-grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 8px;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
}

nav { display: flex; gap: 18px; flex-wrap: wrap; }
nav a { color: var(--muted); text-decoration: none; font-size: 15px; }
nav a:hover { color: var(--ink); }

main {
  max-width: 880px;
  margin: 0 auto;
  padding: 0 20px 48px;
}

.hero { padding: 56px 0 32px; }
.eyebrow {
  margin: 0 0 8px;
  font-size: 13px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--muted);
}
h1 { font-size: clamp(30px, 5vw, 44px); line-height: 1.15; margin: 0 0 16px; }
h2 { font-size: 26px; margin: 0 0 12px; }
h3 { font-size: 18px; margin: 0 0 8px; }
.lead { font-size: 18px; color: #303846; max-width: 640px; }

.cta { display: flex; gap: 12px; flex-wrap: wrap; margin: 24px 0 16px; }

.button {
  display: inline-block;
  padding: 11px 20px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--card);
  color: var(--ink);
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  font-size: 16px;
}
.button.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.button.primary:hover { background: var(--accent-dark); }
.button[disabled] { opacity: .6; cursor: default; }

.disclaimer {
  padding: 12px 16px;
  border-left: 3px solid var(--accent);
  background: #fff4f4;
  color: #4a2a2c;
  max-width: 640px;
}

.block { padding: 36px 0 8px; border-top: 1px solid var(--line); }
.steps { padding-left: 22px; }
.steps li { margin-bottom: 10px; }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
  margin-top: 20px;
}
.card {
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--card);
}
.card ul { padding-left: 20px; margin: 0; }
.card li { margin-bottom: 6px; }
.muted { color: var(--muted); font-size: 14px; }

details { margin-top: 16px; }
summary { cursor: pointer; font-weight: 600; }

.form {
  display: grid;
  gap: 14px;
  max-width: 460px;
  margin-top: 16px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--card);
}
.form label { display: grid; gap: 6px; font-size: 14px; font-weight: 600; }
.form input, .form textarea {
  font: inherit;
  padding: 9px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}
.form input:focus, .form textarea:focus { outline: 2px solid var(--blue); outline-offset: 1px; }
.req { color: var(--accent); margin-left: 2px; }
.status { margin: 0; min-height: 1.4em; font-size: 14px; }
.status.ok { color: #1f6b3a; }
.status.error { color: var(--accent); }

footer {
  padding: 20px 24px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
}

@media (max-width: 600px) {
  .top { padding: 12px 16px; }
  main { padding: 0 16px 40px; }
  .hero { padding-top: 36px; }
}