:root {
  color-scheme: light;
  --ink: #17202a;
  --muted: #5f6f7d;
  --line: #d7e0e7;
  --surface: #ffffff;
  --soft: #f2f7f8;
  --accent: #086f83;
  --accent-dark: #064f5d;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--ink);
  background:
    linear-gradient(135deg, rgba(8, 111, 131, 0.12), rgba(42, 141, 110, 0.06)),
    var(--soft);
}

.page {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
  padding: 56px 0;
}

.hero {
  padding: 72px 0 48px;
  max-width: 760px;
}

.brand {
  margin-bottom: 20px;
  font-size: 22px;
  font-weight: 700;
  color: var(--accent);
}

h1 {
  margin: 0;
  max-width: 720px;
  font-size: clamp(38px, 8vw, 72px);
  line-height: 1.02;
  letter-spacing: 0;
}

.hero p {
  margin: 24px 0 0;
  max-width: 650px;
  font-size: 20px;
  line-height: 1.55;
  color: var(--muted);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border: 1px solid var(--accent);
  border-radius: 6px;
  font-weight: 700;
  text-decoration: none;
}

.button.primary {
  color: #ffffff;
  background: var(--accent);
}

.button.primary:hover {
  background: var(--accent-dark);
}

.button.secondary {
  color: var(--accent);
  background: var(--surface);
}

.details {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 36px;
}

.details article {
  min-height: 190px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.86);
}

.details h2 {
  margin: 0 0 12px;
  font-size: 20px;
}

.details p {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
}

@media (max-width: 760px) {
  .page {
    width: min(100% - 28px, 1120px);
    padding: 28px 0;
  }

  .hero {
    padding: 44px 0 28px;
  }

  .hero p {
    font-size: 18px;
  }

  .actions {
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

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