:root {
  --bg: #0b1020;
  --card: rgba(255, 255, 255, 0.06);
  --text: #e8ecf6;
  --muted: rgba(232, 236, 246, 0.72);
  --border: rgba(255, 255, 255, 0.12);
  --accent: #7c5cff;
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Noto Sans",
    "Apple Color Emoji", "Segoe UI Emoji";
  background: radial-gradient(1200px 600px at 20% 10%, rgba(124, 92, 255, 0.35), transparent 55%),
    radial-gradient(1000px 500px at 90% 30%, rgba(34, 211, 238, 0.18), transparent 55%), var(--bg);
  color: var(--text);
}

a {
  color: var(--text);
  text-decoration: underline;
  text-decoration-color: rgba(232, 236, 246, 0.45);
}

a:hover {
  text-decoration-color: var(--accent);
}

.header {
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(10px);
  background: rgba(11, 16, 32, 0.55);
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px 20px;
  max-width: 980px;
  margin: 0 auto;
}

.brand__icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.08);
}

.brand__title {
  font-size: 18px;
  line-height: 1.2;
  margin: 0;
}

.brand__subtitle {
  margin: 3px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.container {
  max-width: 980px;
  margin: 0 auto;
  padding: 22px 20px 40px;
}

.card {
  border: 1px solid var(--border);
  background: var(--card);
  border-radius: 18px;
  padding: 22px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
}

.card h2 {
  margin-top: 22px;
  margin-bottom: 10px;
  font-size: 16px;
}

.card p,
.card li {
  color: rgba(232, 236, 246, 0.9);
  line-height: 1.6;
  font-size: 14px;
}

.card ul {
  padding-left: 18px;
}

.muted {
  color: var(--muted);
  font-size: 13px;
}

.footer {
  margin-top: 18px;
  text-align: center;
}