:root {
  font-family: Arial, Helvetica, sans-serif;
  color: #15303b;
  background: #f8fafb;
  font-synthesis: none;
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
}
header,
main,
footer {
  width: min(1120px, calc(100% - 64px));
  margin: auto;
}
header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 28px 0;
  border-bottom: 1px solid #dbe3e7;
}
.brand {
  display: flex;
  align-items: center;
  gap: 20px;
  color: inherit;
  text-decoration: none;
  font-size: 23px;
  font-weight: 600;
}
.brand img {
  width: 114px;
  height: 53px;
  object-fit: contain;
}
.brand span {
  border-left: 1px solid #cbd7dd;
  padding-left: 20px;
}
a {
  color: #166f93;
  text-underline-offset: 4px;
}
header > a:last-child {
  font-size: 14px;
  text-decoration: none;
}
.intro {
  padding: 82px 0 70px;
}
.eyebrow {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1.8px;
  color: #397285;
  display: flex;
  align-items: center;
  gap: 14px;
}
.eyebrow span {
  font-size: 10px;
  letter-spacing: 0.7px;
  background: #e6eef1;
  padding: 6px 8px;
  border-radius: 4px;
  color: #526d79;
}
h1 {
  font-size: clamp(36px, 5.5vw, 62px);
  line-height: 1.07;
  font-weight: 600;
  letter-spacing: -2px;
  margin: 24px 0;
}
.lede {
  max-width: 550px;
  font-size: 20px;
  line-height: 1.5;
  color: #526874;
}
.download {
  margin-top: 32px;
}
.primary {
  display: inline-flex;
  gap: 30px;
  align-items: center;
  background: #126b91;
  color: white;
  text-decoration: none;
  font-size: 16px;
  font-weight: 600;
  padding: 18px 24px;
  border-radius: 6px;
}
.primary:hover {
  background: #075574;
}
.primary[hidden] {
  display: none;
}
a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 3px solid #167dad;
  outline-offset: 4px;
}
#release,
.hint {
  font-size: 13px;
  color: #536b76;
  margin: 14px 0 0;
}
.hint {
  color: #71828b;
  margin-top: 8px;
}
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-block: 1px solid #dbe3e7;
  padding: 32px 0;
  gap: 48px;
}
.steps span {
  font-size: 12px;
  color: #568598;
  font-weight: 700;
}
.steps h2 {
  font-size: 18px;
  margin: 16px 0 8px;
}
.steps p {
  font-size: 15px;
  line-height: 1.65;
  color: #586d77;
  margin: 0;
}
details {
  margin: 28px 0;
  max-width: 750px;
  color: #526874;
  font-size: 14px;
  line-height: 1.6;
}
summary {
  cursor: pointer;
  width: fit-content;
  color: #174e64;
}
#checksum {
  font-family: monospace;
  overflow-wrap: anywhere;
  font-size: 11px;
}
footer {
  display: flex;
  justify-content: space-between;
  padding: 25px 0;
  color: #72818a;
  font-size: 12px;
}
button {
  border: 1px solid #9db8c5;
  background: white;
  padding: 10px 16px;
  border-radius: 4px;
  color: #174e64;
  cursor: pointer;
}
@media (max-width: 640px) {
  header,
  main,
  footer {
    width: calc(100% - 40px);
  }
  header {
    padding: 20px 0;
  }
  .brand {
    gap: 12px;
    font-size: 19px;
  }
  .brand img {
    width: 80px;
    height: 40px;
  }
  .brand span {
    padding-left: 12px;
  }
  header > a:last-child {
    font-size: 12px;
    max-width: 80px;
  }
  .intro {
    padding: 54px 0;
  }
  .eyebrow {
    font-size: 10px;
    gap: 8px;
  }
  h1 {
    letter-spacing: -1px;
  }
  .lede {
    font-size: 18px;
  }
  .steps {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .steps h2 {
    margin: 8px 0;
  }
  .steps article {
    padding-left: 0;
  }
}