:root {
  --ink: #17202a;
  --muted: #5d6978;
  --line: #d9e1ea;
  --panel: #ffffff;
  --bg: #f6f8fb;
  --brand: #0f766e;
  --brand-dark: #115e59;
}

* {
  box-sizing: border-box;
}

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

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

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 18px 32px;
  background: #ffffff;
  border-bottom: 1px solid var(--line);
}

.brand {
  font-size: 18px;
  font-weight: 800;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 18px;
  font-size: 14px;
}

.hero {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 36px;
  width: min(1120px, calc(100% - 32px));
  margin: 54px auto;
  align-items: center;
}

.hero h1 {
  margin: 0;
  font-size: 52px;
  line-height: 1.02;
  letter-spacing: 0;
}

.hero p {
  color: var(--muted);
  font-size: 18px;
  line-height: 1.6;
}

.actions {
  display: flex;
  gap: 12px;
  margin-top: 24px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 16px;
  border-radius: 6px;
  background: var(--brand);
  color: #ffffff;
  font-weight: 700;
}

.button.secondary {
  background: #ffffff;
  color: var(--ink);
  border: 1px solid var(--line);
}

.terminal {
  background: #111827;
  color: #d1fae5;
  border-radius: 8px;
  padding: 22px;
  box-shadow: 0 20px 50px rgba(20, 31, 44, 0.18);
  overflow: auto;
}

.terminal pre {
  margin: 0;
  white-space: pre-wrap;
  font-size: 14px;
  line-height: 1.5;
}

.section {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto 48px;
}

.section h2 {
  font-size: 28px;
  margin: 0 0 18px;
}

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

.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 18px;
}

.card h3 {
  margin: 0 0 8px;
  font-size: 17px;
}

.card p,
.policy p,
.policy li {
  color: var(--muted);
  line-height: 1.6;
}

.price {
  display: block;
  margin-top: 10px;
  font-size: 24px;
  font-weight: 800;
}

.footer {
  width: min(1120px, calc(100% - 32px));
  margin: 56px auto 24px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  gap: 16px;
  color: var(--muted);
  font-size: 14px;
}

.policy {
  width: min(860px, calc(100% - 32px));
  margin: 42px auto;
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 28px;
}

.policy h1 {
  margin-top: 0;
}

@media (max-width: 820px) {
  .nav,
  .footer,
  .actions {
    align-items: flex-start;
    flex-direction: column;
  }

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

  .hero h1 {
    font-size: 38px;
  }
}