:root {
  --bg: #0a1322;
  --bg2: #0e1b2e;
  --card: #15273f;
  --card2: #1b3050;
  --amber: #ffb000;
  --amber2: #ff8a00;
  --blue: #2f9bff;
  --text: #eaf0f8;
  --muted: #9aa8bc;
  --line: rgba(255,255,255,0.08);
  --radius: 16px;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: radial-gradient(1200px 600px at 50% -10%, #16294318, transparent), var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--amber); text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 22px; }

/* Nav */
header.nav {
  position: sticky; top: 0; z-index: 10;
  backdrop-filter: blur(12px);
  background: rgba(10,19,34,0.72);
  border-bottom: 1px solid var(--line);
}
.nav .wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 18px; color: var(--text); }
.brand .bolt {
  width: 34px; height: 34px; border-radius: 9px;
  background: linear-gradient(135deg, var(--amber), var(--amber2));
  display: grid; place-items: center; color: #1a1206; font-size: 19px; font-weight: 900;
}
.nav nav a { color: var(--muted); margin-left: 22px; font-size: 15px; }
.nav nav a:hover { color: var(--text); text-decoration: none; }

/* Hero */
.hero { text-align: center; padding: 84px 0 56px; }
.hero .pill {
  display: inline-block; font-size: 13px; color: var(--amber);
  border: 1px solid rgba(255,176,0,0.3); border-radius: 999px; padding: 6px 14px; margin-bottom: 22px;
  background: rgba(255,176,0,0.08);
}
.hero h1 { font-size: clamp(34px, 6vw, 58px); line-height: 1.05; letter-spacing: -0.02em; }
.hero h1 .grad { background: linear-gradient(135deg, var(--amber), var(--amber2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero p.sub { color: var(--muted); font-size: clamp(17px, 2.4vw, 21px); max-width: 640px; margin: 20px auto 0; }
.cta { margin-top: 34px; display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; gap: 9px; font-weight: 600; font-size: 16px;
  padding: 13px 22px; border-radius: 12px; border: 1px solid var(--line);
}
.btn.primary { background: linear-gradient(135deg, var(--amber), var(--amber2)); color: #1a1206; border: none; }
.btn.primary:hover { text-decoration: none; filter: brightness(1.05); }
.btn.ghost { color: var(--text); background: var(--card); }
.btn.ghost:hover { text-decoration: none; background: var(--card2); }
.appstore-note { color: var(--muted); font-size: 13px; margin-top: 16px; }

/* Sections */
section { padding: 56px 0; }
h2.section-title { font-size: clamp(26px, 4vw, 36px); text-align: center; letter-spacing: -0.01em; }
.section-sub { text-align: center; color: var(--muted); max-width: 620px; margin: 12px auto 0; }

/* Feature grid */
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 18px; margin-top: 40px; }
.feature {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 22px; transition: transform .15s ease, border-color .15s ease;
}
.feature:hover { transform: translateY(-3px); border-color: rgba(255,176,0,0.35); }
.feature .ico {
  width: 44px; height: 44px; border-radius: 11px; display: grid; place-items: center;
  font-size: 22px; margin-bottom: 14px; background: rgba(47,155,255,0.14); color: var(--blue);
}
.feature.amber .ico { background: rgba(255,176,0,0.14); color: var(--amber); }
.feature.green .ico { background: rgba(40,190,120,0.14); color: #34d27f; }
.feature.purple .ico { background: rgba(150,100,255,0.16); color: #b08aff; }
.feature h3 { font-size: 18px; margin-bottom: 6px; }
.feature p { color: var(--muted); font-size: 15px; }

/* Content pages */
.doc { padding: 48px 0 80px; }
.doc h1 { font-size: clamp(28px, 5vw, 40px); margin-bottom: 8px; }
.doc .updated { color: var(--muted); font-size: 14px; margin-bottom: 30px; }
.doc h2 { font-size: 22px; margin: 32px 0 10px; }
.doc h3 { font-size: 17px; margin: 22px 0 8px; }
.doc p, .doc li { color: #c7d2e0; }
.doc ul { margin: 8px 0 8px 22px; }
.doc li { margin: 6px 0; }
.card-box { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px 26px; }
.faq { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 18px 22px; margin: 12px 0; }
.faq h3 { margin: 0 0 6px; color: var(--text); }
.callout { border-left: 3px solid var(--amber); background: rgba(255,176,0,0.07); padding: 14px 18px; border-radius: 0 10px 10px 0; margin: 18px 0; color: #d7e0ec; }

/* Footer */
footer { border-top: 1px solid var(--line); padding: 34px 0; color: var(--muted); font-size: 14px; }
footer .wrap { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 14px; }
footer a { color: var(--muted); margin-left: 18px; }
footer a:hover { color: var(--text); }
@media (max-width: 560px) { .nav nav a { margin-left: 14px; font-size: 14px; } footer .wrap { flex-direction: column; } footer a { margin: 0 18px 0 0; } }