:root {
  color-scheme: light;
  --bg: #f6f8f7;
  --ink: #17202a;
  --muted: #5a6673;
  --line: #d8e0df;
  --panel: #ffffff;
  --green: #128447;
  --green-dark: #0b5c34;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}

a {
  color: var(--green-dark);
}

.wrap {
  width: min(1040px, calc(100% - 40px));
  margin: 0 auto;
}

header {
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.86);
}

.nav {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--ink);
  font-weight: 750;
  text-decoration: none;
}

.mark {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, #0e6537, #159f5e);
  color: #fff;
  font-size: 20px;
  font-weight: 700;
}

nav {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}

nav a {
  color: var(--muted);
  text-decoration: none;
  font-weight: 600;
}

main {
  padding: 64px 0 72px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 44px;
  align-items: center;
}

h1 {
  margin: 0 0 18px;
  font-size: clamp(40px, 5vw, 70px);
  line-height: 1.02;
  letter-spacing: 0;
}

h2 {
  margin: 40px 0 12px;
  font-size: 28px;
  letter-spacing: 0;
}

h3 {
  margin: 28px 0 8px;
  font-size: 20px;
}

p {
  margin: 0 0 16px;
}

.lead {
  color: var(--muted);
  font-size: 21px;
  max-width: 700px;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 24px;
}

.status {
  margin-top: 28px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.status div {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  padding: 18px;
}

.status strong {
  display: block;
  margin-bottom: 4px;
}

.app-window {
  min-height: 300px;
  border-radius: 18px;
  background: linear-gradient(135deg, #0d6331, #159b5e);
  box-shadow: 0 28px 70px rgba(17, 39, 31, 0.24);
  overflow: hidden;
}

.titlebar {
  height: 46px;
  display: flex;
  align-items: center;
  gap: 9px;
  padding-left: 16px;
  background: #1d1d1f;
}

.dot {
  width: 14px;
  height: 14px;
  border-radius: 999px;
}

.red { background: #ff5f57; }
.yellow { background: #febc2e; }
.gray { background: #545456; }

.button-visual {
  margin: 56px auto 0;
  width: 220px;
  height: 148px;
  display: grid;
  place-items: center;
  border-radius: 26px;
  border: 1px solid rgba(255, 255, 255, 0.35);
  color: white;
  font-size: 20px;
  font-weight: 800;
  background: rgba(255, 255, 255, 0.13);
}

.doc {
  max-width: 820px;
}

.meta {
  color: var(--muted);
  font-size: 15px;
}

ul {
  padding-left: 22px;
}

li {
  margin: 8px 0;
}

code {
  padding: 2px 5px;
  border-radius: 4px;
  background: #edf2f0;
}

.callout {
  margin: 24px 0;
  border-left: 4px solid var(--green);
  padding: 14px 18px;
  background: #ecf7f1;
}

footer {
  border-top: 1px solid var(--line);
  padding: 28px 0;
  color: var(--muted);
  background: #fff;
  font-size: 14px;
}

@media (max-width: 780px) {
  .nav,
  .hero {
    display: block;
  }

  nav {
    margin-top: 16px;
  }

  .app-window {
    margin-top: 32px;
  }

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