:root {
  --bg: #09090b;
  --bg-2: #111113;
  --card: #18181b;
  --line: #27272a;
  --text: #fafafa;
  --muted: #a1a1aa;
  --accent: #4ade80;
  --accent-2: #86efac;
  --warn: #fbbf24;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.45);
  --radius: 16px;
  --font: "Segoe UI", "PingFang SC", "Noto Sans SC", sans-serif;
  --mono: "Cascadia Code", "SF Mono", Consolas, monospace;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font);
  background: radial-gradient(1200px 600px at 80% -10%, #14532d33, transparent 50%),
              radial-gradient(800px 400px at 0% 20%, #27272a66, transparent 45%),
              var(--bg);
  color: var(--text);
  line-height: 1.55;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-2); }

.wrap { width: min(1120px, calc(100% - 40px)); margin: 0 auto; }

.banner {
  display: none;
  background: #422006;
  color: #fde68a;
  text-align: center;
  padding: 10px 16px;
  font-size: 14px;
}
.banner.show { display: block; }

header.nav {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(14px);
  background: rgba(9, 9, 11, 0.78);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.logo {
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--text);
  font-size: 18px;
}
.nav-links { display: flex; gap: 18px; align-items: center; font-size: 14px; flex-wrap: wrap; }
.nav-links a { color: var(--muted); cursor: pointer; }
.nav-links a:hover { color: var(--text); }
.nav-links a.btn-primary,
.nav-links a.btn-primary:hover {
  color: #052e16;
  cursor: pointer;
}
.btn, .btn-primary, a.btn {
  pointer-events: auto;
  position: relative;
  z-index: 2;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 10px 18px;
  font-weight: 600;
  font-size: 14px;
  border: 1px solid transparent;
  cursor: pointer;
}
.btn-primary { background: var(--accent); color: #052e16; }
.btn-primary:hover { background: var(--accent-2); color: #052e16; }
.btn-ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--line);
}
.btn-ghost:hover { border-color: #52525b; }

.hero {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 48px;
  padding: 72px 0 40px;
  align-items: center;
}
.hero h1 {
  font-size: clamp(36px, 5vw, 58px);
  line-height: 1.05;
  letter-spacing: -0.04em;
  margin: 0 0 16px;
}
.hero .sub { color: var(--muted); font-size: 18px; margin: 0 0 28px; max-width: 520px; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }

.terminal {
  background: #0c0c0e;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.term-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-size: 12px;
}
.dots { display: flex; gap: 6px; }
.dots i { width: 10px; height: 10px; border-radius: 50%; display: block; }
.dots i:nth-child(1) { background: #f87171; }
.dots i:nth-child(2) { background: #fbbf24; }
.dots i:nth-child(3) { background: #4ade80; }
.copy {
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 4px 8px;
  cursor: pointer;
  font-size: 12px;
}
.term-body {
  margin: 0;
  padding: 18px;
  font-family: var(--mono);
  font-size: 13px;
  color: #d4d4d8;
  overflow: auto;
  white-space: pre-wrap;
}
.term-body .ok { color: var(--accent); }
.term-body .cmd { color: #93c5fd; }

.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  padding: 12px 0 56px;
}
.stat {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
}
.stat b { display: block; font-size: 32px; letter-spacing: -0.04em; }
.stat span { color: var(--muted); font-size: 13px; }

h2 { font-size: 28px; letter-spacing: -0.03em; margin: 0 0 8px; }
.lead { color: var(--muted); margin: 0 0 22px; }

.table-wrap {
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  margin-bottom: 56px;
}
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 12px 16px; border-bottom: 1px solid var(--line); }
th { color: var(--muted); font-weight: 600; background: var(--bg-2); }
td.off { color: var(--accent); font-weight: 700; }

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-bottom: 64px;
}
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
}
.card h3 { margin: 0 0 6px; font-size: 16px; }
.card p { margin: 0; color: var(--muted); font-size: 13px; }
.card .tag {
  display: inline-block;
  margin-top: 12px;
  font-size: 12px;
  color: var(--accent-2);
}

.faq { margin-bottom: 72px; }
details {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 14px 18px;
  margin-bottom: 10px;
}
summary { cursor: pointer; font-weight: 600; }
details p { color: var(--muted); margin: 10px 0 0; }

.cta {
  text-align: center;
  padding: 48px 24px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: linear-gradient(180deg, #14532d22, transparent);
  margin-bottom: 48px;
}
.cta h2 { font-size: 34px; }

footer {
  border-top: 1px solid var(--line);
  padding: 28px 0 48px;
  color: var(--muted);
  font-size: 13px;
}
.foot {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.foot nav { display: flex; gap: 16px; flex-wrap: wrap; }
.foot nav a { color: var(--muted); }

@media (max-width: 860px) {
  .hero, .stats, .cards { grid-template-columns: 1fr; }
  .hero { padding-top: 36px; }
}