:root {
  --bg: #0a0e14;
  --panel: #10161f;
  --panel-2: #141c28;
  --border: #1e2836;
  --text: #e6edf3;
  --muted: #8b98a9;
  --green: #34d399;
  --cyan: #22d3ee;
  --danger: #f87171;
  --radius: 14px;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font: 16px/1.65 -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

code, kbd, .mono {
  font-family: ui-monospace, "Cascadia Code", Consolas, "SF Mono", Menlo, monospace;
}

a { color: var(--cyan); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap { max-width: 1060px; margin: 0 auto; padding: 0 24px; }

/* Nav */
nav {
  position: sticky; top: 0; z-index: 10;
  background: rgba(10, 14, 20, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
nav .wrap { display: flex; align-items: center; gap: 22px; height: 58px; }
.logo { display: flex; align-items: center; gap: 9px; font-weight: 700; color: var(--text); font-size: 17px; }
.logo:hover { text-decoration: none; }
.logo svg { display: block; }
nav .links { margin-left: auto; display: flex; gap: 20px; font-size: 14.5px; }
nav .links a { color: var(--muted); }
nav .links a:hover { color: var(--text); text-decoration: none; }
nav .cta { font-size: 14px; font-weight: 600; }

.btn {
  display: inline-block; padding: 11px 20px; border-radius: 10px;
  font-weight: 650; font-size: 15px; border: 1px solid transparent;
  transition: transform 0.08s ease, filter 0.15s ease;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-primary { background: linear-gradient(135deg, var(--green), var(--cyan)); color: #06251c; }
.btn-secondary { background: var(--panel-2); color: var(--text); border-color: var(--border); }
.btn-ghost { color: var(--cyan); padding: 11px 6px; }
.btn-small { padding: 8px 14px; font-size: 14px; }

/* Hero */
.hero { padding: 84px 0 40px; text-align: center; }
.badge {
  display: inline-block; padding: 5px 14px; border-radius: 999px;
  border: 1px solid var(--border); background: var(--panel);
  color: var(--green); font-size: 13.5px; font-weight: 600;
  font-family: ui-monospace, Consolas, monospace;
}
.hero h1 {
  font-size: clamp(34px, 5.4vw, 56px); line-height: 1.12;
  letter-spacing: -0.02em; margin: 22px auto 18px; max-width: 820px;
}
.hero h1 .grad {
  background: linear-gradient(135deg, var(--green), var(--cyan));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero p.lead { color: var(--muted); font-size: 19px; max-width: 640px; margin: 0 auto 30px; }
.hero .actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; margin-bottom: 26px; }
.hero .fineprint { color: var(--muted); font-size: 13.5px; }

.keys { display: flex; gap: 6px; align-items: center; justify-content: center; color: var(--muted); font-size: 13.5px; margin-top: 34px; flex-wrap: wrap; }
kbd {
  background: var(--panel-2); border: 1px solid var(--border); border-bottom-width: 3px;
  border-radius: 7px; padding: 3px 9px; font-size: 12.5px; color: var(--text);
}

/* Demo strip */
.demo { padding: 34px 0 10px; }
.pill-demo { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.pill {
  display: inline-flex; align-items: center; gap: 9px;
  background: var(--panel); border: 1px solid var(--border);
  padding: 8px 18px; border-radius: 999px; font-size: 14px; color: var(--muted);
}
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--muted); }
.dot.g { background: var(--green); box-shadow: 0 0 10px var(--green); }
.dot.c { background: var(--cyan); box-shadow: 0 0 10px var(--cyan); }
.dot.r { background: var(--danger); }
.transcript {
  max-width: 760px; margin: 26px auto 0; background: var(--panel);
  border: 1px solid var(--border); border-radius: var(--radius);
  padding: 20px 24px; font-family: ui-monospace, Consolas, monospace; font-size: 14.5px;
  color: var(--text); text-align: left;
}
.transcript .said { color: var(--muted); }
.transcript .said del { color: #5b6878; }
.transcript .arrow { color: var(--green); padding: 0 8px; }
.transcript .out { color: var(--green); }

/* Sections */
section { padding: 66px 0; }
section.alt { background: var(--panel); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
h2 { font-size: clamp(26px, 3.4vw, 36px); letter-spacing: -0.015em; text-align: center; margin-bottom: 10px; }
.sub { text-align: center; color: var(--muted); max-width: 620px; margin: 0 auto 42px; }

/* Feature grid */
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.card {
  background: var(--panel-2); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 22px;
}
.card h3 { font-size: 16.5px; margin-bottom: 8px; }
.card p { color: var(--muted); font-size: 14.5px; }
.card .ex {
  margin-top: 12px; font-family: ui-monospace, Consolas, monospace; font-size: 12.8px;
  background: var(--bg); border: 1px solid var(--border); border-radius: 8px;
  padding: 9px 12px; color: var(--cyan);
}
.card .ex s { color: #5b6878; }

/* Steps */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.step { text-align: center; padding: 26px 18px; }
.step .num {
  width: 40px; height: 40px; border-radius: 50%; margin: 0 auto 14px;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--green), var(--cyan));
  color: #06251c; font-weight: 800; font-size: 17px;
}
.step h3 { font-size: 17px; margin-bottom: 6px; }
.step p { color: var(--muted); font-size: 14.5px; }

/* Pricing */
.plans { display: grid; grid-template-columns: 1fr 1.25fr; gap: 18px; max-width: 860px; margin: 0 auto; align-items: stretch; }
.plan { background: var(--panel-2); border: 1px solid var(--border); border-radius: var(--radius); padding: 30px; display: flex; flex-direction: column; }
.plan.pro { border-color: var(--green); box-shadow: 0 0 40px rgba(52, 211, 153, 0.08); position: relative; }
.plan .tag {
  position: absolute; top: -12px; left: 28px; background: linear-gradient(135deg, var(--green), var(--cyan));
  color: #06251c; font-size: 12px; font-weight: 800; padding: 3px 12px; border-radius: 999px;
}
.plan h3 { font-size: 18px; }
.plan .price { font-size: 40px; font-weight: 800; margin: 12px 0 2px; letter-spacing: -0.02em; }
.plan .price span { font-size: 15px; color: var(--muted); font-weight: 500; }
.plan ul { list-style: none; margin: 18px 0 24px; flex: 1; }
.plan li { padding: 6px 0; color: var(--muted); font-size: 14.5px; }
.plan li::before { content: "✓ "; color: var(--green); font-weight: 700; }
.plan li.no::before { content: "· "; color: var(--muted); }
.plan .btn { text-align: center; }
.guarantee { text-align: center; color: var(--muted); font-size: 13.5px; margin-top: 22px; }

/* Download */
.dl { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; max-width: 720px; margin: 0 auto; }
.dl-card { background: var(--panel-2); border: 1px solid var(--border); border-radius: var(--radius); padding: 26px; text-align: center; }
.dl-card .os { font-size: 30px; }
.dl-card h3 { margin: 8px 0 4px; font-size: 17px; }
.dl-card p { color: var(--muted); font-size: 13.5px; margin-bottom: 16px; }
.req { text-align: center; color: var(--muted); font-size: 13.5px; margin-top: 24px; line-height: 1.9; }

/* Comparison */
table.compare { width: 100%; max-width: 760px; margin: 0 auto; border-collapse: collapse; background: var(--panel-2); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
table.compare th, table.compare td { padding: 13px 18px; text-align: left; font-size: 14.5px; border-bottom: 1px solid var(--border); }
table.compare th { color: var(--muted); font-weight: 600; }
table.compare td.hl { color: var(--green); font-weight: 700; }
table.compare tr:last-child td { border-bottom: none; }

/* FAQ */
details { background: var(--panel-2); border: 1px solid var(--border); border-radius: 12px; padding: 16px 20px; margin-bottom: 10px; max-width: 760px; margin-left: auto; margin-right: auto; }
details summary { cursor: pointer; font-weight: 600; font-size: 15px; }
details p { color: var(--muted); font-size: 14.5px; margin-top: 10px; }

/* Footer */
footer { border-top: 1px solid var(--border); padding: 34px 0; color: var(--muted); font-size: 13.5px; }
footer .wrap { display: flex; gap: 20px; flex-wrap: wrap; align-items: center; }
footer .right { margin-left: auto; display: flex; gap: 18px; flex-wrap: wrap; }
footer a { color: var(--muted); }
footer a:hover { color: var(--text); }

/* Legal pages */
.legal { max-width: 760px; margin: 0 auto; padding: 60px 24px 80px; }
.legal h1 { font-size: 30px; margin-bottom: 26px; letter-spacing: -0.01em; }
.legal h2 { font-size: 19px; text-align: left; margin: 30px 0 8px; }
.legal p, .legal li { color: var(--muted); font-size: 15px; margin-bottom: 10px; }
.legal ul { padding-left: 22px; }
.legal .todo { border: 1px dashed var(--danger); border-radius: 10px; padding: 14px 18px; color: var(--danger); font-size: 14px; margin-bottom: 24px; }
.legal b, .legal strong { color: var(--text); }

@media (max-width: 800px) {
  .grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .plans { grid-template-columns: 1fr; }
  .dl { grid-template-columns: 1fr; }
  nav .links { display: none; }
}