:root {
  --bg: #0b1020;
  --card: #121a2f;
  --text: #e9eefc;
  --muted: #b9c3e6;
  --accent: #4d7cff;
  --line: #253054;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", Arial, sans-serif;
  background: linear-gradient(160deg, #0b1020, #101733 55%, #1a2455);
  color: var(--text);
  line-height: 1.6;
}

.container {
  max-width: 940px;
  margin: 0 auto;
  padding: 24px;
}

header,
footer {
  background: rgba(0, 0, 0, 0.15);
  border-bottom: 1px solid var(--line);
}

footer {
  border-top: 1px solid var(--line);
  border-bottom: none;
  margin-top: 28px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 14px;
}

nav a {
  color: var(--muted);
  text-decoration: none;
  padding: 6px 0;
}

nav a:hover,
nav a.active {
  color: #fff;
}

.card {
  background: rgba(18, 26, 47, 0.9);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 22px;
  margin-top: 18px;
}

.hero {
  display: grid;
  gap: 14px;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 10px;
}

.btn {
  display: inline-block;
  text-decoration: none;
  background: #1f2d63;
  color: #dbe5ff;
  border: 1px solid #31458d;
  border-radius: 10px;
  padding: 9px 14px;
  font-weight: 600;
}

.btn:hover {
  background: #2a3a7a;
  color: #fff;
}

h1,
h2 {
  line-height: 1.25;
  margin: 0 0 12px;
}

h1 {
  font-size: 28px;
}

h2 {
  font-size: 20px;
  margin-top: 18px;
}

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

a {
  color: #9bb6ff;
}

.badge {
  display: inline-block;
  background: #1f2d63;
  border: 1px solid #31458d;
  border-radius: 999px;
  padding: 4px 10px;
  color: #dbe5ff;
  font-size: 12px;
}

.meta {
  margin: 0;
  font-size: 15px;
}

@media (max-width: 640px) {
  .container {
    padding: 16px;
  }

  h1 {
    font-size: 24px;
  }
}