:root {
  --navy: #0B1F3A;
  --navy-light: #132C4F;
  --navy-line: #21406B;
  --lime: #C6FF00;
  --text: #E8EEF6;
  --muted: #A9B8CC;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--navy);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 17px;
  line-height: 1.6;
}

a { color: var(--lime); }
a:hover { text-decoration-thickness: 2px; }

header {
  border-bottom: 1px solid var(--navy-line);
}

nav {
  max-width: 760px;
  margin: 0 auto;
  padding: 16px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 20px;
}

nav .brand {
  font-weight: 800;
  font-size: 20px;
  color: var(--text);
  text-decoration: none;
  margin-right: auto;
}

nav .brand span { color: var(--lime); }

nav a:not(.brand) {
  color: var(--muted);
  text-decoration: none;
  font-size: 15px;
}

nav a[aria-current="page"] { color: var(--lime); }

main {
  max-width: 760px;
  margin: 0 auto;
  padding: 32px 16px 48px;
}

h1 { font-size: 32px; line-height: 1.2; margin: 0 0 8px; }
h2 { font-size: 22px; margin: 40px 0 8px; color: var(--lime); }
h3 { font-size: 18px; margin: 24px 0 4px; }

p, li { color: var(--text); }
.muted { color: var(--muted); }

ul { padding-left: 22px; }
li { margin: 4px 0; }

.hero {
  padding: 48px 0 24px;
}

.hero h1 {
  font-size: 48px;
  letter-spacing: -0.02em;
}

.hero h1 span { color: var(--lime); }

.tagline {
  font-size: 22px;
  color: var(--muted);
  max-width: 32ch;
}

.card {
  background: var(--navy-light);
  border: 1px solid var(--navy-line);
  border-radius: 14px;
  padding: 16px 20px;
  margin: 16px 0;
}

.card h3 { margin-top: 0; }

.button {
  display: inline-block;
  background: var(--lime);
  color: var(--navy);
  font-weight: 700;
  padding: 12px 20px;
  border-radius: 999px;
  text-decoration: none;
}


.table-wrap { overflow-x: auto; }

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 15px;
  margin: 12px 0;
}

th, td {
  text-align: left;
  vertical-align: top;
  padding: 10px 8px;
  border-bottom: 1px solid var(--navy-line);
}

th { color: var(--lime); font-weight: 700; }

footer {
  border-top: 1px solid var(--navy-line);
  color: var(--muted);
  font-size: 14px;
}

footer div {
  max-width: 760px;
  margin: 0 auto;
  padding: 20px 16px;
}

@media (max-width: 520px) {
  body { font-size: 16px; }
  h1 { font-size: 28px; }
  .hero h1 { font-size: 38px; }
  .tagline { font-size: 19px; }
}