:root {
  color-scheme: dark;
  --bg: #0b1020;
  --bg-accent: #131a31;
  --surface: rgba(14, 20, 38, 0.82);
  --surface-border: rgba(155, 177, 255, 0.12);
  --text: #ecf2ff;
  --muted: #a6b3d1;
  --link: #78b8ff;
  --link-hover: #9fd0ff;
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
  --max-width: 860px;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background:
    radial-gradient(circle at top, rgba(88, 137, 255, 0.2), transparent 34%),
    linear-gradient(180deg, var(--bg), #060913 68%);
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
}

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

a:hover {
  color: var(--link-hover);
}

.shell {
  width: min(calc(100% - 32px), var(--max-width));
  margin: 0 auto;
  padding: 48px 0 72px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--surface-border);
  border-radius: 28px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
}

.hero {
  padding: 32px;
}

.eyebrow {
  margin: 0 0 12px;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

h1 {
  margin: 0;
  font-size: clamp(2rem, 5vw, 3.5rem);
  line-height: 1.06;
}

.lede {
  margin: 18px 0 0;
  max-width: 42rem;
  font-size: 1.08rem;
  line-height: 1.7;
  color: var(--muted);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border-radius: 999px;
  border: 1px solid rgba(120, 184, 255, 0.28);
  background: rgba(120, 184, 255, 0.12);
  color: var(--text);
  font-weight: 600;
  text-decoration: none;
}

.button.secondary {
  border-color: rgba(166, 179, 209, 0.18);
  background: rgba(166, 179, 209, 0.08);
}

.content {
  margin-top: 24px;
  padding: 32px;
}

.content h2 {
  margin: 0 0 12px;
  font-size: 1.3rem;
}

.content p,
.content li {
  color: var(--muted);
  line-height: 1.75;
}

.content ul {
  margin: 0;
  padding-left: 22px;
}

.content section + section {
  margin-top: 28px;
}

.meta {
  margin: 0 0 28px;
  color: var(--muted);
  font-size: 0.95rem;
}

.footer {
  margin-top: 24px;
  color: var(--muted);
  font-size: 0.92rem;
  text-align: center;
}

@media (max-width: 640px) {
  .shell {
    width: min(calc(100% - 20px), var(--max-width));
    padding: 24px 0 48px;
  }

  .hero,
  .content {
    padding: 22px;
    border-radius: 22px;
  }
}