:root {
  color-scheme: light;
  --ink: #17202a;
  --muted: #5c6b7a;
  --line: #d9e2ec;
  --surface: #f6f9fc;
  --panel: #ffffff;
  --blue: #2457d6;
  --mint: #13a98b;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    linear-gradient(135deg, rgba(36, 87, 214, 0.08), rgba(19, 169, 139, 0.08)),
    var(--surface);
  color: var(--ink);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  line-height: 1.6;
}

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

a:hover {
  text-decoration: underline;
}

.shell {
  width: min(880px, calc(100vw - 40px));
  margin: 0 auto;
  padding: 72px 0 48px;
}

.hero,
.page-header,
.section {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: 0 18px 50px rgba(19, 32, 50, 0.08);
}

.hero {
  padding: 48px;
}

.page-header {
  padding: 34px 40px 38px;
}

.section {
  margin-top: 18px;
  padding: 28px 32px;
}

.logo {
  display: block;
  margin-bottom: 24px;
}

.brand {
  display: inline-flex;
  gap: 12px;
  align-items: center;
  margin-bottom: 24px;
  color: var(--ink);
  font-weight: 700;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--mint);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2 {
  margin: 0;
  line-height: 1.12;
}

h1 {
  max-width: 720px;
  font-size: clamp(2.2rem, 6vw, 4.8rem);
  letter-spacing: 0;
}

h2 {
  font-size: 1.2rem;
}

p {
  margin: 14px 0 0;
}

.lede {
  max-width: 680px;
  color: var(--muted);
  font-size: 1.16rem;
}

ul {
  margin: 16px 0 0;
  padding-left: 22px;
}

li + li {
  margin-top: 8px;
}

.footer {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  padding: 26px 4px 0;
  color: var(--muted);
  font-size: 0.95rem;
}

@media (max-width: 640px) {
  .shell {
    width: min(100% - 28px, 880px);
    padding-top: 36px;
  }

  .hero,
  .page-header,
  .section {
    border-radius: 10px;
  }

  .hero,
  .page-header {
    padding: 28px;
  }

  .section {
    padding: 24px;
  }
}