:root {
  color-scheme: light;
  --ink: #17202a;
  --muted: #5f6b7a;
  --line: #d8dee8;
  --panel: #ffffff;
  --bg: #f6f8fb;
  --accent: #0f766e;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background:
    linear-gradient(180deg, rgba(15, 118, 110, 0.08), rgba(15, 118, 110, 0) 280px),
    var(--bg);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
}

a {
  color: inherit;
  text-decoration: none;
}

.site-header,
.site-footer {
  width: 100%;
  display: flex;
  justify-content: center;
  padding: 18px;
}

.nav,
.footer-inner {
  width: min(100%, 940px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-weight: 750;
}

.mark {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  display: grid;
  place-items: center;
  background: var(--accent);
  color: #ffffff;
  font-weight: 800;
}

.nav-links,
.footer-links {
  display: flex;
  align-items: center;
  gap: 18px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 600;
}

.page-wrap {
  flex: 1;
  width: 100%;
  display: grid;
  place-items: center;
  padding: 28px 18px;
}

main {
  width: min(100%, 720px);
  padding: 38px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 18px 55px rgba(23, 32, 42, 0.09);
}

.eyebrow {
  margin-bottom: 26px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  max-width: 600px;
  font-size: 38px;
  line-height: 1.12;
  letter-spacing: 0;
}

h2 {
  margin: 0;
  font-size: 18px;
  line-height: 1.3;
  letter-spacing: 0;
}

p {
  margin: 18px 0 0;
  max-width: 620px;
  color: var(--muted);
  font-size: 17px;
}

.support {
  margin-top: 24px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
  color: var(--ink);
  font-weight: 600;
}

.sections {
  margin-top: 30px;
  display: grid;
  gap: 20px;
}

article {
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

article p {
  margin-top: 8px;
  font-size: 15px;
}

.site-footer {
  color: var(--muted);
  font-size: 13px;
}

@media (max-width: 560px) {
  .nav,
  .footer-inner {
    align-items: flex-start;
    flex-direction: column;
  }

  main {
    padding: 26px;
  }

  h1 {
    font-size: 30px;
  }
}
