:root {
  --brand: #0249fe;
  --brand-dark: #0038c4;
  --bg: #f7f8fb;
  --card: #ffffff;
  --text: #12141a;
  --muted: #5b6472;
  --border: #e4e7ee;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b0d12;
    --card: #14171f;
    --text: #f1f3f7;
    --muted: #9aa3b2;
    --border: #262b36;
  }
}

* { box-sizing: border-box; }

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

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
  max-width: 800px;
  margin: 0 auto;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 18px;
  text-decoration: none;
  color: var(--text);
}

.brand .dot {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: var(--brand);
}

nav a {
  color: var(--muted);
  text-decoration: none;
  margin-left: 18px;
  font-size: 14px;
}

nav a:hover, nav a.active { color: var(--brand); }

main {
  max-width: 800px;
  margin: 0 auto;
  padding: 40px 24px 80px;
}

h1 { font-size: 32px; margin-bottom: 8px; }
h2 { font-size: 20px; margin-top: 36px; }
p, li { color: var(--text); }
.muted { color: var(--muted); font-size: 14px; }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px;
  margin: 24px 0;
}

.disclaimer {
  border-left: 4px solid var(--brand);
  background: color-mix(in srgb, var(--brand) 8%, transparent);
  padding: 16px 20px;
  border-radius: 8px;
  margin: 24px 0;
}

a.email {
  color: var(--brand);
  font-weight: 600;
}

footer {
  max-width: 800px;
  margin: 0 auto;
  padding: 24px;
  color: var(--muted);
  font-size: 13px;
  border-top: 1px solid var(--border);
}