:root {
  color-scheme: light;
  --ink: #182235;
  --muted: #667085;
  --line: #e8ebf0;
  --surface: #ffffff;
  --background: #f7f9fc;
  --blue: #2f80ed;
}

* {
  box-sizing: border-box;
}

html {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--background);
  line-height: 1.65;
  word-break: keep-all;
}

body {
  margin: 0;
}

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

.shell {
  width: min(760px, calc(100% - 32px));
  margin: 0 auto;
  padding: 32px 0 64px;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 24px;
}

.brand {
  color: var(--ink);
  font-size: 18px;
  font-weight: 700;
  text-decoration: none;
}

.nav-links {
  display: flex;
  gap: 16px;
  font-size: 14px;
}

.card {
  padding: clamp(24px, 6vw, 48px);
  border: 1px solid var(--line);
  border-radius: 28px;
  background: var(--surface);
  box-shadow: 0 20px 50px rgb(24 34 53 / 7%);
}

h1,
h2 {
  line-height: 1.3;
}

h1 {
  margin: 0 0 12px;
  font-size: clamp(30px, 7vw, 44px);
  letter-spacing: -0.035em;
}

h2 {
  margin: 36px 0 10px;
  font-size: 20px;
  letter-spacing: -0.015em;
}

p,
ul {
  margin: 0 0 14px;
}

ul {
  padding-left: 22px;
}

.lead,
.meta {
  color: var(--muted);
}

.lead {
  font-size: 17px;
}

.meta {
  margin-top: 8px;
  font-size: 13px;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  padding: 9px 18px;
  border-radius: 999px;
  color: #fff;
  background: var(--ink);
  font-weight: 650;
  text-decoration: none;
}

.button.secondary {
  color: var(--ink);
  background: #edf1f7;
}

.notice {
  margin-top: 24px;
  padding: 16px 18px;
  border-radius: 16px;
  background: #f0f6ff;
}

footer {
  padding: 24px 4px 0;
  color: var(--muted);
  font-size: 12px;
  text-align: center;
}

@media (max-width: 480px) {
  .shell {
    width: min(100% - 20px, 760px);
    padding-top: 18px;
  }

  .nav {
    padding: 0 4px;
  }

  .card {
    border-radius: 22px;
  }
}
