:root {
  --bg: #0f172a;
  --card: rgba(255, 255, 255, 0.06);
  --text: #e5e7eb;
  --muted: #94a3b8;
  --line: rgba(255, 255, 255, 0.12);
  --accent: #38bdf8;
  --accent2: #22c55e;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, sans-serif;
  background:
    radial-gradient(circle at top, rgba(56, 189, 248, 0.18), transparent 35%),
    linear-gradient(180deg, #020617, var(--bg));
  color: var(--text);
}

.container {
  width: min(980px, calc(100% - 32px));
  margin: 0 auto;
  padding: 28px 0 40px;
}

.hero {
  text-align: center;
  padding: 36px 18px 22px;
}

.badge {
  display: inline-block;
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--accent);
  font-size: 14px;
  margin-bottom: 14px;
}

h1 {
  margin: 0;
  font-size: clamp(30px, 5vw, 52px);
  line-height: 1.1;
}

.hero p {
  max-width: 760px;
  margin: 14px auto 0;
  color: var(--muted);
  font-size: 16px;
}

.card, .footer {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 22px;
  backdrop-filter: blur(10px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.22);
  margin-top: 18px;
}

h2 {
  margin: 0 0 16px;
  font-size: 24px;
  color: #fff;
}

.sub {
  border-top: 1px solid var(--line);
  padding-top: 14px;
  margin-top: 14px;
}

h3 {
  margin: 0 0 10px;
  color: var(--accent);
  font-size: 18px;
}

ul {
  margin: 0;
  padding-left: 20px;
  color: var(--text);
}

li {
  margin: 8px 0;
  line-height: 1.6;
}

.footer {
  text-align: center;
  color: var(--muted);
}