:root {
  --bg: #0e0f12;
  --panel: #16181d;
  --text: #f3f4f6;
  --muted: #9aa0aa;
  --line: rgba(255,255,255,0.08);
  --grad: linear-gradient(135deg, #34d39a 0%, #2196f2 45%, #6750e8 75%, #e84d9e 100%);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
a { color: #5aa9ff; text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap { max-width: 760px; margin: 0 auto; padding: 0 24px; }

/* Nav */
.nav {
  position: sticky; top: 0; z-index: 10;
  background: rgba(14,15,18,0.8);
  backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--line);
}
.nav .wrap { display: flex; align-items: center; gap: 12px; height: 60px; }
.nav img { width: 30px; height: 30px; border-radius: 7px; }
.nav .brand { font-weight: 700; font-size: 18px; }
.nav .links { margin-left: auto; display: flex; gap: 22px; font-size: 15px; }
.nav .links a { color: var(--muted); }
.nav .links a:hover { color: var(--text); text-decoration: none; }

/* Hero */
.hero { text-align: center; padding: 80px 0 60px; }
.hero img.icon { width: 120px; height: 120px; border-radius: 27px; box-shadow: 0 20px 60px rgba(103,80,232,0.35); }
.hero h1 { font-size: 46px; letter-spacing: -0.02em; margin: 26px 0 10px; }
.hero .tag {
  font-size: 21px; color: var(--muted); max-width: 540px; margin: 0 auto 30px;
}
.gradient-text {
  background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.btn {
  display: inline-block; padding: 13px 26px; border-radius: 12px;
  background: var(--grad); color: #fff; font-weight: 600; font-size: 16px;
}
.btn:hover { text-decoration: none; opacity: 0.92; }
.btn.ghost { background: transparent; border: 1px solid var(--line); color: var(--text); }

/* Features */
.features { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; padding: 30px 0 70px; }
.feature { background: var(--panel); border: 1px solid var(--line); border-radius: 16px; padding: 22px; }
.feature h3 { font-size: 17px; margin-bottom: 6px; }
.feature p { font-size: 15px; color: var(--muted); }
.feature .ic { font-size: 24px; margin-bottom: 10px; }

/* Content pages */
.page { padding: 56px 0 90px; }
.page h1 { font-size: 34px; letter-spacing: -0.02em; margin-bottom: 6px; }
.page .updated { color: var(--muted); font-size: 14px; margin-bottom: 34px; }
.page h2 { font-size: 20px; margin: 34px 0 10px; }
.page p, .page li { color: #d7dae0; font-size: 16px; }
.page ul { margin: 10px 0 10px 22px; }
.page li { margin-bottom: 7px; }
.callout { background: var(--panel); border: 1px solid var(--line); border-left: 3px solid #34d39a; border-radius: 12px; padding: 16px 18px; margin: 22px 0; }

/* Footer */
.footer { border-top: 1px solid var(--line); padding: 30px 0; color: var(--muted); font-size: 14px; text-align: center; }
.footer a { color: var(--muted); margin: 0 10px; }

@media (max-width: 600px) {
  .features { grid-template-columns: 1fr; }
  .hero h1 { font-size: 36px; }
  .nav .links { gap: 16px; }
}