:root {
  --primary: #1268f3;
  --primary-dark: #0646b8;
  --text: #0b1b3a;
  --muted: #5f6b85;
  --bg: #f5f9ff;
  --card: #ffffff;
  --border: #d9e6fb;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background: linear-gradient(180deg, #eef6ff 0%, #ffffff 100%);
  color: var(--text);
  line-height: 1.65;
}
header {
  padding: 24px 8%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border);
  background: rgba(255,255,255,.85);
  position: sticky;
  top: 0;
}
.logo {
  font-size: 24px;
  font-weight: 800;
  color: var(--primary);
  text-decoration: none;
}
nav a {
  margin-left: 18px;
  color: var(--text);
  text-decoration: none;
  font-weight: 600;
}
main {
  max-width: 980px;
  margin: 48px auto;
  padding: 0 24px;
}
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 40px;
  box-shadow: 0 20px 50px rgba(18,104,243,.08);
}
h1 {
  font-size: 36px;
  margin: 0 0 10px;
}
h2 {
  margin-top: 34px;
  color: var(--primary-dark);
}
p, li {
  color: var(--muted);
}
.badge {
  display: inline-block;
  background: #e9f2ff;
  color: var(--primary-dark);
  padding: 8px 14px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 14px;
  margin-bottom: 18px;
}
.email {
  font-weight: 700;
  color: var(--primary-dark);
}
footer {
  text-align: center;
  padding: 32px;
  color: var(--muted);
}
@media (max-width: 700px) {
  header {
    display: block;
  }
  nav {
    margin-top: 14px;
  }
  nav a {
    display: inline-block;
    margin: 8px 12px 0 0;
  }
  .card {
    padding: 26px;
  }
  h1 {
    font-size: 28px;
  }
}