:root {
  --bg: #000;
  --fg: #fff;
  --dim: #6e6e6e;
  --accent: #84ff00;
  --mono: 'JetBrains Mono', Consolas, 'Courier New', monospace;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--mono);
  font-weight: 300;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }

/* ---------- topbar ---------- */
.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 28px;
  border-bottom: 1px solid #1c1c1c;
  position: sticky;
  top: 0;
  background: rgba(0,0,0,0.9);
  backdrop-filter: blur(4px);
  z-index: 10;
}

.wordmark { font-weight: 700; letter-spacing: 1px; }

.topnav a {
  margin-left: 22px;
  font-size: 13px;
  color: var(--dim);
  transition: color 0.2s ease;
}
.topnav a:hover { color: var(--fg); }

/* ---------- layout ---------- */
main { max-width: 860px; margin: 0 auto; padding: 0 24px; }

.block {
  padding: 90px 0;
  border-top: 1px solid #111;
}

.block h2 { font-size: 34px; font-weight: 500; margin: 10px 0 6px; }
.block h3 { font-size: 28px; font-weight: 400; color: var(--dim); margin-bottom: 18px; }

.comment { color: var(--dim); font-size: 13px; margin-bottom: 8px; }
.comment::before { content: ''; }

.lead { font-size: 24px; max-width: 640px; margin-top: 22px; }
.lead.plain { color: var(--dim); margin-top: 14px; }

.muted { color: var(--dim); }
.small { font-size: 14px; margin-top: 16px; }

/* ---------- hero ---------- */
.hero { padding: 60px 0 90px; }

.hero h1 {
  font-size: clamp(44px, 8vw, 76px);
  font-weight: 700;
  line-height: 1.02;
  letter-spacing: -1px;
  margin: 44px 0 20px;
}

.sub {
  font-size: 19px;
  color: var(--dim);
  max-width: 520px;
}

/* terminal window */
.terminal {
  border: 1px solid #1c1c1c;
  border-radius: 8px;
  overflow: hidden;
  font-size: 14px;
}
.terminal-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  background: #0c0c0c;
  border-bottom: 1px solid #1c1c1c;
}
.dot { width: 10px; height: 10px; border-radius: 50%; background: #333; }
.terminal-title { color: var(--dim); font-size: 12px; margin-left: 8px; }
.terminal-body { padding: 16px 20px; line-height: 1.9; }

.prompt { color: var(--accent); font-weight: 700; margin-right: 8px; }
.highlight { color: var(--accent); }
.cursor {
  display: inline-block;
  width: 9px;
  height: 16px;
  background: var(--accent);
  vertical-align: text-bottom;
  margin-left: 6px;
  animation: blink 1s steps(1) infinite;
}
@keyframes blink { 50% { opacity: 0; } }

/* ---------- buttons ---------- */
.cta-row { margin-top: 30px; }

.btn {
  display: inline-block;
  border: 2px solid var(--fg);
  padding: 14px 32px;
  font-family: var(--mono);
  font-weight: 700;
  font-size: 16px;
  background: var(--fg);
  color: var(--bg);
  letter-spacing: 1px;
  transition: all 0.15s ease;
}
.btn:hover { background: var(--bg); color: var(--fg); }

.micro { color: var(--dim); font-size: 13px; margin-top: 14px; }

/* ---------- list ---------- */
.plus { list-style: none; margin-top: 22px; max-width: 640px; }
.plus li { padding: 10px 0 10px 14px; font-size: 18px; border-left: 2px solid #1c1c1c; margin-bottom: 6px; }
.plus li::before { content: '+'; color: var(--accent); margin-right: 14px; }

/* ---------- gate / quote ---------- */
.gate h2 { font-size: 34px; }
.aquote {
  border-left: 3px solid var(--accent);
  padding: 18px 22px;
  margin: 26px 0;
  background: #070707;
  font-style: italic;
}

/* ---------- buy ---------- */
.price { font-size: 64px; font-weight: 700; margin: 14px 0 4px; }

/* ---------- faq ---------- */
details {
  border-bottom: 1px solid #1c1c1c;
  padding: 18px 0;
}
summary {
  cursor: pointer;
  font-size: 18px;
  font-weight: 500;
  list-style: none;
  user-select: none;
}
summary::before { content: '> '; color: var(--accent); }
details[open] summary::before { content: 'v '; }
details p { color: var(--dim); margin-top: 12px; max-width: 640px; }

/* ---------- footer ---------- */
footer {
  border-top: 1px solid #1c1c1c;
  padding: 26px 28px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 13px;
}

/* ---------- reveal on scroll ---------- */
.fade-in { opacity: 0; transform: translateY(14px); transition: opacity 0.6s ease, transform 0.6s ease; }
.fade-in.visible { opacity: 1; transform: none; }

@media (max-width: 600px) {
  .topnav a { margin-left: 14px; }
  .lead { font-size: 20px; }
  .block h2 { font-size: 26px; }
}