:root {
  --card: rgba(255, 255, 255, 0.06);
  --border: rgba(255, 255, 255, 0.12);
  --text: #f5f7fb;
  --muted: #9aa3b2;
  --accent: #00c8ff;
  --accent2: #006ef2;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", sans-serif;
  background:
    radial-gradient(1200px 600px at 20% -10%, rgba(0, 200, 255, 0.12), transparent 60%),
    radial-gradient(900px 500px at 90% 0%, rgba(0, 110, 242, 0.10), transparent 55%),
    linear-gradient(160deg, #06080f 0%, #0b1020 50%, #070910 100%);
  color: var(--text);
  line-height: 1.65;
}

.wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 40px 20px 64px;
}

h1 {
  font-size: clamp(1.75rem, 4vw, 2.2rem);
  margin: 0 0 8px;
}

h2 {
  font-size: 1.05rem;
  margin: 28px 0 10px;
  color: var(--accent);
}

p, li {
  font-size: 0.95rem;
  color: #d8dee8;
}

.muted {
  color: var(--muted);
  font-size: 0.85rem;
}

.badge {
  display: inline-block;
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid rgba(0, 200, 255, 0.35);
  border-radius: 999px;
  padding: 6px 12px;
  margin-bottom: 16px;
}

.lead {
  font-size: 1.05rem;
  color: #c8d0dc;
  max-width: 640px;
}

.card,
.hero-card,
.feature {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
}

.card {
  padding: 16px 18px;
  margin: 14px 0;
}

.hero-card {
  margin: 28px 0;
  padding: 22px 24px;
  border-radius: 18px;
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.28);
}

.hero-card .label {
  color: var(--accent);
  font-weight: 600;
}

.entry {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: clamp(1.6rem, 4vw, 2rem);
  color: #fff;
  margin: 8px 0 4px;
}

.hero-note {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
  margin-top: 28px;
}

.feature {
  padding: 16px 18px;
}

.feature strong {
  display: block;
  margin-bottom: 6px;
  color: #fff;
}

.feature p {
  margin: 0;
  font-size: 0.92rem;
  color: var(--muted);
}

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

ol, ul {
  padding-left: 1.25rem;
}

.steps li {
  margin-bottom: 8px;
}

.links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 18px;
}

.btn {
  display: inline-block;
  padding: 10px 16px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #fff;
  font-weight: 600;
  text-decoration: none;
}

.btn:hover {
  text-decoration: none;
  opacity: 0.92;
}

.btn.secondary {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
}

footer {
  margin-top: 36px;
  padding-top: 18px;
  border-top: 1px solid var(--border);
}