:root {
  --bg: #121424;
  --bg-soft: #1a1d31;
  --card: #1f2338;
  --line: #2c3150;
  --text: #eef0fb;
  --muted: #a8adc8;
  --coral: #ff6b6b;
  --amber: #ffb340;
  --mint: #3ddb97;
  --sky: #4fc2f7;
  --violet: #9c7aff;
  --rose: #ff7aab;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

.wrap { max-width: 760px; margin: 0 auto; padding: 0 22px; }

/* Header */
.site-header {
  padding: 28px 0;
  border-bottom: 1px solid var(--line);
}
.site-header .wrap {
  display: flex; align-items: center; gap: 14px;
}
.logo {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 3px;
  width: 38px; height: 38px;
  border-radius: 9px;
  padding: 5px;
  background: var(--bg-soft);
  border: 1px solid var(--line);
}
.logo span { border-radius: 3px; }
.logo span:nth-child(1) { background: var(--coral); }
.logo span:nth-child(2) { background: var(--amber); }
.logo span:nth-child(3) { background: var(--sky); }
.logo span:nth-child(4) { background: var(--mint); }
.brand { font-weight: 700; font-size: 20px; letter-spacing: -0.01em; }
.brand small { display: block; font-weight: 400; font-size: 13px; color: var(--muted); }

/* Hero */
.hero { padding: 64px 0 28px; text-align: center; }
.hero h1 {
  font-size: clamp(34px, 7vw, 52px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin: 0 0 16px;
}
.hero .tag {
  font-size: clamp(17px, 3.4vw, 21px);
  color: var(--muted);
  max-width: 540px;
  margin: 0 auto 28px;
}
.pills { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; margin-bottom: 8px; }
.pill {
  font-size: 14px; font-weight: 600;
  padding: 7px 14px; border-radius: 999px;
  background: var(--card); border: 1px solid var(--line); color: var(--text);
}
.pill.mint { color: var(--mint); }
.pill.sky { color: var(--sky); }
.pill.amber { color: var(--amber); }

/* Sections */
main { padding: 24px 0 64px; }
section { margin: 40px 0; }
h2 { font-size: 26px; letter-spacing: -0.01em; margin: 0 0 14px; }
h3 { font-size: 18px; margin: 26px 0 6px; }
p { color: var(--text); }
.muted { color: var(--muted); }

/* Feature grid */
.features { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
@media (max-width: 560px) { .features { grid-template-columns: 1fr; } }
.feature {
  background: var(--card); border: 1px solid var(--line);
  border-radius: 14px; padding: 20px;
}
.feature .dot { width: 30px; height: 30px; border-radius: 8px; margin-bottom: 12px; }
.feature h3 { margin: 0 0 6px; font-size: 17px; }
.feature p { margin: 0; color: var(--muted); font-size: 15px; }

/* Screenshot strip */
.shots {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
  margin: 8px 0 8px;
}
.shots img {
  width: 180px;
  max-width: 42%;
  border-radius: 18px;
  border: 1px solid var(--line);
  box-shadow: 0 12px 30px rgba(0,0,0,0.35);
}
@media (max-width: 480px) { .shots img { width: 150px; } }

/* Doc pages */
.doc { background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 30px 28px; margin-top: 30px; }
.doc h2:first-child { margin-top: 0; }
.doc ul { padding-left: 20px; }
.doc li { margin: 6px 0; }
.effective { color: var(--muted); font-size: 14px; margin-top: -6px; }

/* FAQ */
details {
  background: var(--card); border: 1px solid var(--line);
  border-radius: 12px; padding: 4px 18px; margin: 10px 0;
}
details summary {
  cursor: pointer; font-weight: 600; padding: 12px 0; list-style: none;
}
details summary::-webkit-details-marker { display: none; }
details summary::after { content: "+"; float: right; color: var(--muted); font-weight: 400; }
details[open] summary::after { content: "\2013"; }
details p { margin: 0 0 14px; color: var(--muted); }

/* CTA buttons */
.actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin-top: 30px; }
.btn {
  display: inline-block; font-weight: 600; padding: 12px 22px; border-radius: 12px;
  border: 1px solid var(--line); background: var(--card); color: var(--text);
}
.btn:hover { text-decoration: none; border-color: var(--sky); }
.btn.primary { background: var(--sky); color: #08101a; border-color: var(--sky); }

/* Footer */
.site-footer { border-top: 1px solid var(--line); padding: 30px 0 50px; color: var(--muted); font-size: 14px; }
.site-footer .wrap { display: flex; gap: 18px; flex-wrap: wrap; align-items: center; justify-content: space-between; }
.site-footer nav a { margin-left: 16px; }
@media (max-width: 480px) { .site-footer nav a { margin: 0 14px 0 0; } }