:root {
  --bg: #0f1113;
  --bg-2: #16191c;
  --card: #1c2024;
  --line: #2a2f35;
  --text: #e8eaed;
  --muted: #9aa3ad;
  --accent: #22d3ee;
  --accent-2: #0ea5c4;
  --radius: 12px;
  --max: 1040px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.65 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 20px; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 10;
  background: rgba(15, 17, 19, .85);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; height: 60px; }
.brand { color: var(--text); font-weight: 700; letter-spacing: .2px; }
.brand span { color: var(--accent); }
.brand:hover { text-decoration: none; }
.nav { display: flex; gap: 22px; align-items: center; }
.nav a { color: var(--muted); font-size: 15px; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--text); text-decoration: none; }

/* Buttons */
.btn {
  display: inline-block; padding: 11px 20px; border-radius: 8px;
  font-weight: 600; border: 1px solid var(--accent);
  background: var(--accent); color: #04252b;
}
.btn:hover { background: var(--accent-2); border-color: var(--accent-2); text-decoration: none; }
.btn.ghost { background: transparent; color: var(--accent); }
.btn.ghost:hover { background: rgba(34, 211, 238, .1); }
.btn-row { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 26px; }

/* Hero */
.hero { padding: 84px 0 64px; text-align: center; }
.hero h1 { font-size: clamp(2rem, 5vw, 3.2rem); line-height: 1.15; margin: 0 0 16px; }
.hero p.lead { color: var(--muted); font-size: 1.15rem; max-width: 640px; margin: 0 auto; }
.hero .btn-row { justify-content: center; }
.badge {
  display: inline-block; font-size: 13px; color: var(--accent);
  border: 1px solid var(--line); border-radius: 999px; padding: 3px 12px; margin-bottom: 18px;
}

/* Screenshot placeholder */
.shot {
  margin: 48px auto 0; max-width: 900px;
  border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--bg-2); overflow: hidden;
}
.shot .placeholder {
  aspect-ratio: 16 / 9; display: grid; place-items: center;
  color: var(--muted); font-size: 14px;
}

/* Sections */
section { padding: 56px 0; }
section.alt { background: var(--bg-2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
h2 { font-size: 1.7rem; margin: 0 0 8px; }
h3 { margin: 0 0 6px; font-size: 1.05rem; }
.sub { color: var(--muted); margin: 0 0 32px; max-width: 640px; }

.grid { display: grid; gap: 18px; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; }
.card p { margin: 0; color: var(--muted); font-size: 15px; }

/* Page body (text pages) */
.page { padding: 56px 0 72px; max-width: 760px; }
.page h1 { margin: 0 0 10px; font-size: 2.2rem; }
.page h2 { margin-top: 40px; }
.page p, .page li { color: #cfd4da; }
.page ul { padding-left: 20px; }

/* Tables */
table { width: 100%; border-collapse: collapse; margin-top: 12px; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); font-size: 15px; }
th { color: var(--muted); font-weight: 600; width: 38%; }

/* FAQ */
details { border-bottom: 1px solid var(--line); padding: 14px 0; }
summary { cursor: pointer; font-weight: 600; }
details p { margin: 10px 0 0; color: var(--muted); }

/* Footer */
.site-footer { border-top: 1px solid var(--line); padding: 28px 0; color: var(--muted); font-size: 14px; }
.site-footer .wrap { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; }
.site-footer a { color: var(--muted); }

@media (max-width: 640px) {
  .nav { gap: 14px; }
  .nav a { font-size: 14px; }
  .hero { padding: 56px 0 40px; }
}