:root {
  color-scheme: light;
  --bg: #f4f4f8;
  --card: #ffffff;
  --text: #2a2b3a;
  --muted: #8e919d;
  --line: #dfe1ea;
  --soft: #eff0f5;
  --green: #18d64f;
  --green-dark: #0e9d34;
  --dark: #252638;
  --orange: #ffb321;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family:
    ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

main {
  width: min(1020px, calc(100% - 32px));
  margin: 0 auto;
  padding: 26px 0 34px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 44px;
  color: var(--muted);
}

.brand,
.links {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.brand span {
  display: inline-grid;
  width: 24px;
  height: 24px;
  place-items: center;
  border-radius: 999px;
  background: var(--green);
  color: #fff;
  font-weight: 900;
}

.links {
  gap: 18px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 44px;
  align-items: center;
  padding: 42px 0 48px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--green-dark);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1 {
  max-width: 680px;
  margin: 0;
  font-size: clamp(2.6rem, 7vw, 5.2rem);
  line-height: 1;
  letter-spacing: 0;
}

.lead {
  max-width: 620px;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 1.08rem;
  line-height: 1.6;
}

.installer-card {
  display: inline-flex;
  align-items: center;
  gap: 22px;
  margin-top: 30px;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--card);
  box-shadow: 0 18px 40px rgba(37, 38, 56, 0.06);
}

.label,
.value {
  margin: 0;
}

.label {
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 800;
  text-transform: uppercase;
}

.value {
  margin-top: 4px;
  font-weight: 800;
}

.device {
  width: 236px;
  margin-inline: auto;
  padding: 12px;
  border-radius: 34px;
  background: #191a26;
  box-shadow: 0 26px 70px rgba(37, 38, 56, 0.18);
}

.screen {
  min-height: 310px;
  overflow: hidden;
  border-radius: 24px;
  background: var(--bg);
  border: 1px solid #11121b;
}

.screen-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 17px 14px 8px;
  font-size: 0.78rem;
}

.screen-head span {
  color: var(--green-dark);
}

.mini-card {
  margin: 10px;
  padding: 12px;
  border-radius: 16px;
  background: var(--card);
}

.mini-card small {
  color: var(--muted);
  font-weight: 800;
}

.mini-card strong {
  display: block;
  margin-top: 6px;
  font-size: 1.15rem;
}

.bar {
  display: flex;
  height: 8px;
  margin-top: 12px;
  overflow: hidden;
  border-radius: 999px;
}

.bar i,
.bar b {
  display: block;
  width: 42%;
  background: var(--green);
}

.bar b {
  width: 58%;
  background: #fff02a;
}

.segmented {
  display: grid;
  grid-template-columns: 0.8fr 1.35fr 1fr;
  padding: 2px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 0.62rem;
  font-weight: 800;
  text-align: center;
}

.segmented span,
.segmented strong {
  padding: 5px 3px;
}

.segmented strong {
  border-radius: 999px;
  background: var(--dark);
  color: #fff;
}

.mini-card h2 {
  margin: 14px 0 4px;
  font-size: 1rem;
  text-decoration: underline;
}

.mini-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.78rem;
}

.screen footer {
  margin-top: 18px;
  padding: 10px;
  border-top: 1px solid var(--line);
  background: var(--card);
  color: var(--green-dark);
  font-size: 0.78rem;
  font-weight: 800;
  text-align: center;
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 14px;
}

article {
  min-height: 164px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--card);
}

article span {
  display: inline-grid;
  width: 32px;
  height: 32px;
  place-items: center;
  border-radius: 999px;
  background: var(--soft);
  color: var(--green-dark);
  font-weight: 800;
}

h2 {
  margin: 18px 0 8px;
  font-size: 1.2rem;
}

article p {
  margin: 0;
  color: var(--muted);
  line-height: 1.5;
}

footer {
  margin-top: 28px;
  color: var(--muted);
}

a {
  color: var(--text);
  font-weight: 800;
  text-decoration: none;
}

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

@media (max-width: 720px) {
  main {
    padding-top: 32px;
  }

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

  .installer-card {
    display: grid;
    width: 100%;
  }

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