:root {
  --bg: #0b1220;
  --card: #121a2b;
  --fg: #e8edf6;
  --muted: #9fb0c9;
  --brand: #25d366; /* WhatsApp green */
  --accent: #3b82f6;
  --line: #223049;
  --maxw: 820px;
}
* {
  box-sizing: border-box;
}
html,
body {
  margin: 0;
  padding: 0;
}
body {
  background: var(--bg);
  color: var(--fg);
  font: 16px / 1.6 system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}
header,
main,
footer {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 20px;
}
header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 28px;
  padding-bottom: 28px;
}
.brand {
  font-weight: 700;
  font-size: 20px;
  letter-spacing: .2px;
}
.brand span {
  color: var(--brand);
}
nav a {
  color: var(--muted);
  text-decoration: none;
  margin-left: 18px;
  font-size: 14px;
}
nav a:hover {
  color: var(--fg);
}
h1 {
  font-size: 34px;
  line-height: 1.2;
  margin: 24px 0 12px;
}
h2 {
  font-size: 22px;
  margin: 28px 0 10px;
}
p,
li {
  color: var(--fg);
}
.muted {
  color: var(--muted);
}
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 24px;
  margin: 20px 0;
}
.btn {
  display: inline-block;
  background: var(--brand);
  color: #04210f;
  font-weight: 700;
  text-decoration: none;
  padding: 12px 20px;
  border-radius: 10px;
  border: 0;
  cursor: pointer;
  font-size: 15px;
}
.btn:hover {
  filter: brightness(1.06);
}
.btn.secondary {
  background: transparent;
  color: var(--fg);
  border: 1px solid var(--line);
}
.legal {
  padding-bottom: 60px;
}
.legal h1 {
  font-size: 28px;
}
.legal p,
.legal li {
  color: var(--muted);
}
.legal strong {
  color: var(--fg);
}
footer {
  border-top: 1px solid var(--line);
  margin-top: 40px;
  padding: 24px 20px 60px;
  color: var(--muted);
  font-size: 14px;
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  align-items: center;
}
footer a {
  color: var(--muted);
  text-decoration: none;
}
footer a:hover {
  color: var(--fg);
}
code {
  background: #0e1626;
  padding: 2px 6px;
  border-radius: 6px;
}