:root {
  color-scheme: light;
  --blue: #0066cc;
  --blue-strong: #0071e3;
  --ink: #1d1d1f;
  --muted: #6e6e73;
  --hairline: #e0e0e0;
  --canvas: #ffffff;
  --parchment: #f5f5f7;
  --black: #000000;
}

* {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--canvas);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", sans-serif;
  letter-spacing: 0;
}

a {
  color: var(--blue);
  text-decoration: none;
}

a:hover {
  color: var(--blue-strong);
  text-decoration: underline;
}

.topbar {
  align-items: center;
  background: rgba(0, 0, 0, 0.88);
  color: #fff;
  display: flex;
  gap: 24px;
  height: 48px;
  justify-content: center;
  padding: 0 20px;
}

.topbar a {
  color: #f5f5f7;
  font-size: 13px;
}

.brand {
  font-size: 14px;
  font-weight: 700;
  margin-right: 12px;
}

.hero {
  background: var(--parchment);
  padding: 72px 24px 56px;
}

.wrap {
  margin: 0 auto;
  max-width: 920px;
}

.kicker {
  color: var(--blue);
  font-size: 15px;
  font-weight: 700;
  margin: 0 0 12px;
}

h1 {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", sans-serif;
  font-size: clamp(42px, 8vw, 72px);
  font-weight: 700;
  line-height: 1.05;
  margin: 0;
  max-width: 780px;
}

.lead {
  color: var(--muted);
  font-size: 21px;
  line-height: 1.45;
  margin: 20px 0 0;
  max-width: 720px;
}

main {
  padding: 48px 24px 72px;
}

section {
  border-top: 1px solid var(--hairline);
  padding: 34px 0;
}

section:first-child {
  border-top: 0;
  padding-top: 0;
}

h2 {
  font-size: 26px;
  line-height: 1.18;
  margin: 0 0 14px;
}

p,
li {
  color: #333336;
  font-size: 17px;
  line-height: 1.56;
}

p {
  margin: 0 0 14px;
}

ul {
  margin: 0;
  padding-left: 22px;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.button {
  align-items: center;
  border-radius: 999px;
  display: inline-flex;
  font-size: 16px;
  font-weight: 700;
  justify-content: center;
  min-height: 44px;
  padding: 0 20px;
}

.button.primary {
  background: var(--blue);
  color: #fff;
}

.button.secondary {
  background: #fff;
  color: var(--blue);
}

.notice {
  background: var(--black);
  color: #fff;
  padding: 44px 24px;
}

.notice p {
  color: #f5f5f7;
  margin: 0 auto;
  max-width: 920px;
}

footer {
  background: var(--parchment);
  color: var(--muted);
  font-size: 13px;
  padding: 28px 24px;
  text-align: center;
}

@media (max-width: 640px) {
  .topbar {
    gap: 16px;
    justify-content: flex-start;
    overflow-x: auto;
  }

  .brand {
    flex: 0 0 auto;
  }

  .hero {
    padding-top: 54px;
  }
}