:root {
  --bg: #0a0a0a;
  --panel: #111111;
  --line: #1f1f1f;
  --text: #f4f4f5;
  --muted: #8a8a8e;
  --green: #ccff00;
  --green-2: #c7f50d;
  --ink: #0b0b0b;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, sans-serif;
  line-height: 1.5;
}
a { color: inherit; text-decoration: none; }
code, pre, .mono { font-family: "IBM Plex Mono", ui-monospace, Menlo, monospace; }

.nav {
  position: sticky; top: 0; z-index: 40;
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 28px;
  background: rgba(10,10,10,.78);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; letter-spacing: .02em; }
.brand img { height: 22px; filter: invert(1) brightness(2); }
.nav-links { display: flex; gap: 22px; font-size: 14px; color: var(--muted); }
.nav-links a:hover { color: var(--green); }
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  border-radius: 999px; padding: 11px 18px; font-size: 14px; font-weight: 600; border: 1px solid transparent;
}
.btn.green { background: var(--green); color: var(--ink); }
.btn.green:hover { box-shadow: 0 0 24px rgba(204,255,0,.4); }
.btn.ghost { border-color: #2a2a2a; color: var(--text); }
.btn.ghost:hover { border-color: var(--green); color: var(--green); }

.hero {
  display: grid; grid-template-columns: 1.05fr .95fr; gap: 48px;
  padding: 72px 8vw 48px; align-items: center;
}
.kicker { color: var(--green); font-size: 12px; letter-spacing: .18em; text-transform: uppercase; font-weight: 600; }
.hero h1 {
  font-size: clamp(40px, 5.4vw, 68px);
  line-height: 1.05; letter-spacing: -.03em; font-weight: 700; margin: 16px 0 18px;
}
.hero h1 em { font-style: normal; color: var(--green); }
.hero p { color: var(--muted); font-size: 18px; max-width: 520px; }
.hero-cta { display: flex; gap: 12px; margin-top: 28px; flex-wrap: wrap; }

.term {
  background: #0e0e0e; border: 1px solid var(--line); border-radius: 16px; overflow: hidden;
  box-shadow: 0 20px 80px rgba(0,0,0,.45);
}
.term-bar { display: flex; gap: 8px; padding: 10px 14px; border-bottom: 1px solid var(--line); background: #121212; }
.term-bar span { width: 10px; height: 10px; border-radius: 50%; background: #2a2a2a; }
.term-bar span:first-child { background: #ff5f57; }
.term-tabs { display: flex; gap: 4px; padding: 8px 10px; border-bottom: 1px solid var(--line); }
.term-tabs button {
  background: transparent; color: var(--muted); border: 0; padding: 8px 12px; border-radius: 8px;
  font: inherit; cursor: pointer;
}
.term-tabs button.on { background: #1a1a1a; color: var(--green); }
.term pre {
  padding: 18px 20px 22px; font-size: 13px; line-height: 1.7; color: #d7d7d7; overflow: auto; min-height: 220px;
}
.term .g { color: var(--green); }
.term .c { color: #6b6b6b; }
.term .s { color: #e6ff8a; }

.band {
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
  padding: 18px 8vw; color: var(--muted); font-size: 13px; letter-spacing: .08em;
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
}
.band b { color: var(--green); font-weight: 600; }

.sec { padding: 80px 8vw; }
.sec-head { display: flex; justify-content: space-between; align-items: end; gap: 16px; margin-bottom: 28px; }
.idx { color: var(--muted); font-size: 12px; letter-spacing: .16em; }
.sec h2 { font-size: clamp(28px, 3vw, 40px); letter-spacing: -.02em; }
.grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.card {
  background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 22px;
}
.card:hover { border-color: #3a3a1a; }
.card .n { color: var(--green); font-size: 12px; letter-spacing: .14em; margin-bottom: 10px; }
.card h3 { font-size: 20px; margin-bottom: 8px; }
.card p { color: var(--muted); font-size: 14px; }

.bench { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.bar { height: 10px; background: #1c1c1c; border-radius: 99px; overflow: hidden; margin-top: 10px; }
.bar i { display: block; height: 100%; background: var(--green); }
.faq details { border-bottom: 1px solid var(--line); padding: 16px 0; }
.faq summary { cursor: pointer; font-weight: 600; }
.faq p { color: var(--muted); margin-top: 8px; }

footer {
  padding: 28px 8vw 40px; border-top: 1px solid var(--line);
  display: flex; justify-content: space-between; color: var(--muted); font-size: 13px;
}

@media (max-width: 900px) {
  .hero, .bench, .grid3 { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  .hero { padding: 48px 20px; }
  .sec { padding: 56px 20px; }
}