:root {
  --bg: #0d1117;
  --bg-soft: #161b22;
  --border: #30363d;
  --text: #e6edf3;
  --muted: #8b949e;
  --accent: #3fb950;
  --accent-dim: #238636;
  --code-bg: #0a0d12;
}

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

.wrap { max-width: 860px; margin: 0 auto; padding: 0 24px; }

/* nav */
nav { border-bottom: 1px solid var(--border); }
nav .wrap {
  display: flex; align-items: center; justify-content: space-between;
  padding-top: 16px; padding-bottom: 16px;
}
.brand { font-weight: 700; font-size: 18px; color: var(--text); text-decoration: none; }
.brand span { color: var(--accent); }
nav ul { list-style: none; display: flex; gap: 24px; }
nav a { color: var(--muted); text-decoration: none; font-size: 15px; }
nav a:hover { color: var(--text); }

/* hero */
.hero { padding: 96px 0 64px; text-align: center; }
.hero .kicker {
  display: inline-block; font-size: 13px; color: var(--accent);
  border: 1px solid var(--accent-dim); border-radius: 999px;
  padding: 4px 14px; margin-bottom: 24px; letter-spacing: .04em;
}
.hero h1 { font-size: 56px; letter-spacing: -0.02em; margin-bottom: 16px; }
.hero h1 span { color: var(--accent); }
.hero p.tagline { font-size: 21px; color: var(--muted); max-width: 620px; margin: 0 auto 36px; }
.cta { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.btn {
  display: inline-block; padding: 12px 28px; border-radius: 8px;
  font-size: 16px; font-weight: 600; text-decoration: none;
  border: 1px solid var(--border);
}
.btn.primary { background: var(--accent-dim); border-color: var(--accent-dim); color: #fff; }
.btn.primary:hover { background: var(--accent); }
.btn.ghost { color: var(--text); background: transparent; }
.btn.ghost:hover { border-color: var(--muted); }

/* sections */
section.block { padding: 56px 0; border-top: 1px solid var(--border); }
section.block h2 { font-size: 28px; margin-bottom: 20px; letter-spacing: -0.01em; }
section.block p { color: var(--muted); margin-bottom: 16px; font-size: 16px; }
section.block p strong { color: var(--text); }
section.block p em { color: var(--text); font-style: normal; font-weight: 600; }

/* terminal */
.term {
  background: var(--code-bg); border: 1px solid var(--border); border-radius: 10px;
  padding: 20px 22px; margin: 24px 0; overflow-x: auto;
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  font-size: 14px; line-height: 1.8;
}
.term .c { color: var(--muted); }
.term .g { color: var(--accent); }
.term .w { color: var(--text); }
.term .y { color: #d29922; }

/* feature grid */
.grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 24px; }
.card {
  background: var(--bg-soft); border: 1px solid var(--border);
  border-radius: 10px; padding: 22px;
}
.card h3 { font-size: 16px; margin-bottom: 8px; }
.card h3 .dot { color: var(--accent); margin-right: 6px; }
.card p { font-size: 14px; margin: 0; }

/* steps */
.steps { counter-reset: step; margin-top: 8px; }
.step { display: flex; gap: 16px; margin-bottom: 20px; }
.step .n {
  flex: 0 0 32px; height: 32px; border-radius: 50%;
  background: var(--bg-soft); border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; color: var(--accent); font-size: 14px;
}
.step div p { margin: 2px 0 0; }

/* link cards */
.linklist { display: flex; flex-direction: column; gap: 12px; margin-top: 28px; }
.linkcard {
  display: flex; align-items: center; justify-content: space-between;
  background: var(--bg-soft); border: 1px solid var(--border);
  border-radius: 10px; padding: 18px 22px; text-decoration: none;
  transition: border-color .15s;
}
.linkcard:hover { border-color: var(--accent-dim); }
.linkcard .t { color: var(--text); font-weight: 600; font-size: 16px; }
.linkcard .d { color: var(--muted); font-size: 14px; margin-top: 2px; }
.linkcard .arr { color: var(--accent); font-size: 20px; }

/* footer */
footer { border-top: 1px solid var(--border); margin-top: 40px; }
footer .wrap { padding-top: 28px; padding-bottom: 40px; color: var(--muted); font-size: 14px;
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; }
footer a { color: var(--muted); }
footer a:hover { color: var(--text); }

.meta-strip {
  display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; margin-top: 28px;
}
.meta-strip span {
  font-size: 13px; color: var(--muted); border: 1px solid var(--border);
  border-radius: 999px; padding: 4px 14px;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}

@media (max-width: 640px) {
  .hero h1 { font-size: 38px; }
  .grid { grid-template-columns: 1fr; }
}