:root {
  color-scheme: light;
  --ink: #19212a;
  --muted: #53606e;
  --paper: #f7f7f2;
  --panel: #ffffff;
  --green: #1f7a5d;
  --blue: #3268a8;
  --line: #d8ddd5;
  --gold: #d99b28;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background:
    linear-gradient(135deg, rgba(31, 122, 93, 0.10), transparent 42%),
    linear-gradient(315deg, rgba(50, 104, 168, 0.12), transparent 38%),
    var(--paper);
}

.shell {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 52px 0;
}

.hero {
  min-height: 58vh;
  display: grid;
  align-content: center;
  border-bottom: 1px solid var(--line);
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--green);
  font-size: 0.82rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0;
}

h1 {
  max-width: 820px;
  margin: 0;
  font-size: clamp(3rem, 9vw, 7.2rem);
  line-height: 0.92;
  letter-spacing: 0;
}

h2 {
  margin: 0 0 12px;
  font-size: 1.2rem;
  letter-spacing: 0;
}

.lede {
  max-width: 720px;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: 1.22rem;
  line-height: 1.55;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.68);
  text-decoration: none;
  font-weight: 800;
}

.button.primary {
  border-color: var(--green);
  color: white;
  background: var(--green);
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  padding: 28px 0;
}

article,
.install,
.notice {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 22px;
  box-shadow: 0 18px 40px rgba(25, 33, 42, 0.07);
}

article p,
.install li,
.notice p {
  color: var(--muted);
  line-height: 1.55;
}

.install,
.notice {
  margin-top: 16px;
}

.install ol {
  margin: 0;
  padding-left: 22px;
}

.install li + li {
  margin-top: 10px;
}

strong {
  color: var(--ink);
}

@media (max-width: 820px) {
  .shell {
    width: min(100% - 24px, 680px);
    padding: 28px 0;
  }

  .hero {
    min-height: 52vh;
  }

  .grid {
    grid-template-columns: 1fr;
  }

  .button {
    width: 100%;
  }
}