:root {
  --bg: #0b0d12;
  --card: #14171f;
  --ink: #f2f4f8;
  --sub: #9aa3b2;
  --accent: #3b82f6;
  --accent2: #22d3ee;
  --line: #232734;
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  line-height: 1.5;
}
a { color: var(--ink); text-decoration: none; }

/* nav */
.lnav {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 24px; max-width: 1080px; margin: 0 auto;
}
.lnav .brand { font-weight: 700; }
.lnav nav { display: flex; align-items: center; gap: 20px; }
.lnav nav a { color: var(--sub); font-size: 15px; }
.lnav nav a:hover { color: var(--ink); }

.btn {
  display: inline-block; text-decoration: none; padding: 13px 24px;
  border-radius: 10px; font-weight: 600; border: 1px solid var(--line);
  color: var(--ink); cursor: pointer;
}
.btn.primary { background: var(--accent); color: #fff; border-color: var(--accent); }
.btn.primary:hover { filter: brightness(1.08); }
.btn.ghost:hover { border-color: var(--sub); }
.btn.sm { padding: 8px 16px; font-size: 14px; }

/* hero */
.hero {
  max-width: 820px; margin: 0 auto; padding: 72px 24px 56px; text-align: center;
  background: radial-gradient(900px 420px at 50% -20%, #172033, transparent);
}
.badge {
  display: inline-block; font-size: 12px; letter-spacing: .12em;
  text-transform: uppercase; color: var(--accent2);
  border: 1px solid var(--line); border-radius: 999px; padding: 5px 14px; margin-bottom: 22px;
}
.hero h1 { font-size: clamp(32px, 6vw, 54px); line-height: 1.08; margin: 0 0 18px; letter-spacing: -.02em; }
.hero h1 .hl { color: var(--accent); }
.lede { color: var(--sub); font-size: 18px; max-width: 640px; margin: 0 auto 28px; }
.cta { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.platforms { margin-top: 30px; color: var(--sub); font-size: 13px; letter-spacing: .04em; }

/* bands */
.band { max-width: 1080px; margin: 0 auto; padding: 56px 24px; }
.band > h2 { font-size: clamp(22px, 3.4vw, 30px); margin: 0 0 8px; text-align: center; }
.band .muted { color: var(--sub); text-align: center; margin: 0 auto 28px; max-width: 560px; }
.band.alt { background: #0e1119; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); max-width: none; }
.band.alt > * { max-width: 1080px; margin-left: auto; margin-right: auto; }

/* steps */
.steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 18px; margin-top: 30px; }
.step { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 24px; }
.step .n {
  display: inline-grid; place-items: center; width: 34px; height: 34px; border-radius: 9px;
  background: rgba(59,130,246,.15); color: var(--accent); font-weight: 700; margin-bottom: 14px;
}
.step h3 { margin: 0 0 6px; font-size: 17px; }
.step p { margin: 0; color: var(--sub); font-size: 14px; }

/* split (bundle) */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 34px; align-items: center; }
.split h2 { text-align: left; }
.split .muted { text-align: left; margin-left: 0; }
.feat { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
.feat li { color: var(--sub); font-size: 15px; padding-left: 22px; position: relative; }
.feat li:before { content: "▸"; color: var(--accent); position: absolute; left: 0; }
.feat b { color: var(--ink); font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 13px; }
.tree {
  background: #0a0c11; border: 1px solid var(--line); border-radius: 14px; padding: 22px 24px;
  color: var(--sub); font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 13px; line-height: 1.7; overflow-x: auto; margin: 0;
}

/* features grid */
.grid3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 18px; margin-top: 28px; }
.fcard { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 24px; }
.fcard h3 { margin: 0 0 8px; font-size: 17px; }
.fcard p { margin: 0; color: var(--sub); font-size: 14px; }

/* pricing teaser */
.ptease { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; margin: 26px 0; }
.pt { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 22px; text-align: center; }
.pt.hot { border-color: var(--accent); }
.pt h3 { margin: 0 0 6px; }
.pt p { margin: 0; color: var(--sub); font-size: 14px; }

/* faq */
.faq { max-width: 720px; margin: 26px auto 0; display: grid; gap: 10px; }
.faq details { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 16px 20px; }
.faq summary { cursor: pointer; font-weight: 600; }
.faq p { color: var(--sub); font-size: 14px; margin: 10px 0 0; }

.cta-band { text-align: center; }
.cta-band h2 { margin-bottom: 22px; }

/* footer */
.lfoot {
  border-top: 1px solid var(--line); padding: 28px 24px; max-width: 1080px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px;
  color: var(--sub); font-size: 14px;
}
.lfoot nav { display: flex; gap: 18px; }
.lfoot nav a { color: var(--sub); }
.lfoot nav a:hover { color: var(--ink); }
.muted { opacity: .7; }

@media (max-width: 720px) {
  .split { grid-template-columns: 1fr; }
  .split h2, .split .muted { text-align: center; }
}