:root {
  --bg: #0b0f14;
  --panel: rgba(255, 255, 255, 0.06);
  --panel2: rgba(255, 255, 255, 0.1);
  --text: rgba(255, 255, 255, 0.92);
  --muted: rgba(255, 255, 255, 0.68);
  --accent: #9ae6ff;
  --shadow: 0 18px 60px rgba(0, 0, 0, 0.45);
  --radius: 18px;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f6f7fb;
    --panel: rgba(0, 0, 0, 0.06);
    --panel2: rgba(0, 0, 0, 0.1);
    --text: rgba(0, 0, 0, 0.88);
    --muted: rgba(0, 0, 0, 0.62);
    --accent: #0d6efd;
    --shadow: 0 18px 60px rgba(0, 0, 0, 0.12);
  }
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica,
    Arial, "Apple Color Emoji", "Segoe UI Emoji";
  color: var(--text);
  background: radial-gradient(1200px 700px at 20% 0%, rgba(154, 230, 255, 0.18), transparent 55%),
    radial-gradient(900px 600px at 90% 20%, rgba(13, 110, 253, 0.18), transparent 50%),
    var(--bg);
}

a {
  color: inherit;
  text-decoration-color: color-mix(in srgb, var(--accent) 45%, transparent);
  text-underline-offset: 4px;
}

a:hover {
  text-decoration-color: color-mix(in srgb, var(--accent) 70%, transparent);
}

.page {
  min-height: 100%;
  padding: 56px 20px;
  display: grid;
  place-items: center;
}

.header {
  width: min(860px, 100%);
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 18px;
  align-items: start;
  margin-bottom: 18px;
}

.mark {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(154, 230, 255, 0.9), rgba(13, 110, 253, 0.9));
  box-shadow: var(--shadow);
}

.eyebrow {
  display: inline-flex;
  padding: 8px 12px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--panel) 80%, transparent);
  border: 1px solid color-mix(in srgb, var(--panel2) 75%, transparent);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.title {
  font-size: clamp(28px, 4.5vw, 44px);
  line-height: 1.08;
  margin: 12px 0 10px;
}

.subtitle {
  margin: 0;
  font-size: 16px;
  line-height: 1.55;
  color: var(--muted);
}

.card {
  width: min(860px, 100%);
  background: color-mix(in srgb, var(--panel) 90%, transparent);
  border: 1px solid color-mix(in srgb, var(--panel2) 72%, transparent);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 18px 18px;
  margin: 10px 0;
}

.card h2 {
  margin: 0 0 10px;
  font-size: 16px;
  letter-spacing: 0.02em;
}

.card ul {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
  line-height: 1.6;
}

.muted {
  color: var(--muted);
}

.footer {
  width: min(860px, 100%);
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-top: 14px;
  font-size: 13px;
}

.dot {
  opacity: 0.6;
}