:root {
  --bg-deep: #080808;
  --bg: #0d0d0d;
  --surface: rgba(26, 26, 26, 0.94);
  --surface-2: rgba(18, 18, 18, 0.88);
  --border: rgba(255, 255, 255, 0.13);
  --text: #ffffff;
  --muted: #a1a1a6;
  --accent: #00d4aa;
  --warning: #ffb347;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background:
    radial-gradient(70% 45% at 50% -10%, rgba(0, 212, 170, 0.18) 0%, rgba(0, 212, 170, 0.04) 42%, rgba(13, 13, 13, 0) 74%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-deep) 100%);
  color: var(--text);
  font-family: Outfit, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

.container {
  width: min(900px, calc(100% - 34px));
  margin-inline: auto;
}

header { padding: 26px 0 10px; }

.home-link {
  color: var(--muted);
  text-decoration: none;
  font-size: 14px;
}

main { padding: 12px 0 40px; }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 24px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.22);
}

h1 {
  margin: 0 0 10px;
  font-size: clamp(1.85rem, 3vw, 2.35rem);
  letter-spacing: -0.02em;
}

h2 {
  margin: 24px 0 8px;
  font-size: 1.15rem;
  letter-spacing: -0.01em;
}

p, li {
  color: var(--muted);
  line-height: 1.68;
}

strong { color: var(--text); }

a { color: var(--accent); }

.meta {
  margin: 0 0 14px;
  font-size: 14px;
}

.note {
  margin-top: 14px;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--surface-2);
}

footer {
  padding: 8px 0 34px;
  color: var(--muted);
  font-size: 14px;
}