:root {
  --bg: #0f1117;
  --bg2: #0b0d13;
  --surface: #161922;
  --surface2: #1d2130;
  --border: #262b3a;
  --text: #e7e9f2;
  --text-dim: #9aa0b4;
  --text-faint: #6b7183;
  --accent: #6c5ce7;
  --accent2: #a29bfe;
  --radius: 16px;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
.container { max-width: 1080px; margin: 0 auto; padding: 0 24px; }

/* ── Nav ── */
.nav {
  position: sticky; top: 0; z-index: 20;
  background: rgba(15, 17, 23, 0.8);
  backdrop-filter: saturate(140%) blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-inner { display: flex; align-items: center; gap: 14px; height: 68px; }
.brand { display: flex; align-items: center; gap: 10px; }
.brand img { display: block; width: 32px; height: 32px; }
.brand-name { font-size: 18px; font-weight: 700; letter-spacing: -0.3px; }
.brand-name span { color: var(--accent2); }
.nav-spacer { flex: 1; }
.nav-link { color: var(--text-dim); font-size: 14px; font-weight: 500; padding: 8px 12px; border-radius: 8px; transition: color .15s, background .15s; }
.nav-link:hover { color: var(--text); background: var(--surface2); }

/* ── Buttons ── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-size: 15px; font-weight: 600; padding: 12px 22px; border-radius: 10px;
  border: 1px solid transparent; cursor: pointer; transition: transform .12s, box-shadow .15s, background .15s;
}
.btn-primary { background: linear-gradient(135deg, var(--accent), var(--accent2)); color: #fff; box-shadow: 0 6px 20px rgba(108, 92, 231, 0.3); }
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 10px 28px rgba(108, 92, 231, 0.4); }
.btn-ghost { background: transparent; border-color: var(--border); color: var(--text); }
.btn-ghost:hover { border-color: var(--accent); background: var(--surface2); }
.btn-sm { font-size: 14px; padding: 9px 16px; }
.hidden { display: none !important; }

/* ── Hero ── */
.hero { position: relative; overflow: hidden; border-bottom: 1px solid var(--border); }
.hero::before {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(680px 320px at 78% -8%, rgba(108, 92, 231, 0.28), transparent 60%),
    radial-gradient(520px 300px at 8% 10%, rgba(162, 155, 254, 0.12), transparent 55%);
  pointer-events: none;
}
.hero-inner { position: relative; display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 48px; align-items: center; padding: 84px 0 92px; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; font-size: 12px; font-weight: 600; letter-spacing: 0.6px; text-transform: uppercase; color: var(--accent2); background: rgba(108, 92, 231, 0.12); border: 1px solid rgba(108, 92, 231, 0.3); padding: 5px 12px; border-radius: 999px; }
.hero h1 { font-size: 52px; line-height: 1.08; letter-spacing: -1.5px; font-weight: 800; margin: 22px 0 18px; }
.hero h1 .grad { background: linear-gradient(135deg, var(--accent), var(--accent2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero p.lead { font-size: 18px; color: var(--text-dim); max-width: 520px; }
.hero-actions { display: flex; gap: 12px; margin-top: 30px; flex-wrap: wrap; }
.hero-note { margin-top: 18px; font-size: 13px; color: var(--text-faint); max-width: 480px; }
.hero-note a { color: var(--accent2); }

/* ── Hero visual (mini mock chart) ── */
.hero-visual { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 22px; box-shadow: 0 24px 60px rgba(0, 0, 0, 0.4); }
.hv-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.hv-title { font-size: 13px; color: var(--text-dim); font-weight: 600; }
.hv-dot { width: 8px; height: 8px; border-radius: 50%; background: #00cec9; box-shadow: 0 0 0 4px rgba(0, 206, 201, 0.15); }
.hv-bars { display: flex; align-items: flex-end; gap: 8px; height: 150px; }
.hv-bars span { flex: 1; border-radius: 5px 5px 0 0; background: linear-gradient(180deg, var(--accent2), var(--accent)); opacity: 0.9; }
.hv-x { display: flex; gap: 8px; margin-top: 8px; }
.hv-x span { flex: 1; text-align: center; font-size: 10px; color: var(--text-faint); }

/* ── Sections ── */
.section { padding: 76px 0; border-bottom: 1px solid var(--border); }
.section-head { max-width: 640px; margin-bottom: 44px; }
.section-head .eyebrow { margin-bottom: 14px; }
.section h2 { font-size: 32px; letter-spacing: -0.8px; font-weight: 700; margin-bottom: 12px; }
.section-head p { color: var(--text-dim); font-size: 16px; }

/* ── Feature grid ── */
.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.feature { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 26px; transition: border-color .15s, transform .15s; }
.feature:hover { border-color: rgba(108, 92, 231, 0.5); transform: translateY(-2px); }
.feature .ico { width: 44px; height: 44px; border-radius: 11px; background: rgba(108, 92, 231, 0.12); border: 1px solid rgba(108, 92, 231, 0.28); display: flex; align-items: center; justify-content: center; margin-bottom: 18px; color: var(--accent2); }
.feature h3 { font-size: 17px; font-weight: 650; margin-bottom: 8px; }
.feature p { color: var(--text-dim); font-size: 14.5px; }

/* ── Steps ── */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; counter-reset: step; }
.step { position: relative; padding: 26px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); }
.step .num { font-size: 13px; font-weight: 700; color: var(--accent2); letter-spacing: 1px; }
.step h3 { font-size: 16.5px; font-weight: 650; margin: 10px 0 8px; }
.step p { color: var(--text-dim); font-size: 14.5px; }

/* ── Pro band ── */
.pro { background: linear-gradient(135deg, rgba(108,92,231,0.1), rgba(162,155,254,0.05)); }
.pro-inner { display: grid; grid-template-columns: 1fr auto; gap: 32px; align-items: center; }
.pro-tag { display: inline-block; font-size: 11px; font-weight: 700; letter-spacing: 0.8px; text-transform: uppercase; color: var(--accent2); margin-bottom: 10px; }
.pro h2 { font-size: 26px; letter-spacing: -0.5px; margin-bottom: 10px; }
.pro p { color: var(--text-dim); font-size: 15px; max-width: 620px; }
.pro-list { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.chip { font-size: 12.5px; color: var(--text-dim); background: var(--surface2); border: 1px solid var(--border); border-radius: 999px; padding: 5px 12px; }

/* ── Footer ── */
.footer { padding: 40px 0; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.footer-brand { display: flex; align-items: center; gap: 10px; }
.footer-brand img { width: 26px; height: 26px; }
.footer-brand span { font-weight: 700; }
.footer small, .footer a { color: var(--text-faint); font-size: 13px; }
.footer a:hover { color: var(--text-dim); }
.footer-links { display: flex; gap: 18px; }

/* ── Legal / content pages ── */
.legal { max-width: 760px; margin: 0 auto; padding: 56px 24px 80px; }
.legal h1 { font-size: 34px; letter-spacing: -0.8px; font-weight: 800; margin-bottom: 8px; }
.legal .updated { color: var(--text-faint); font-size: 13px; margin-bottom: 32px; }
.legal h2 { font-size: 19px; font-weight: 650; margin: 32px 0 10px; letter-spacing: -0.3px; }
.legal p, .legal li { color: var(--text-dim); font-size: 15.5px; }
.legal p { margin-bottom: 14px; }
.legal ul { margin: 0 0 14px; padding-left: 22px; }
.legal li { margin-bottom: 8px; }
.legal strong { color: var(--text); font-weight: 600; }
.legal a { color: var(--accent2); }
.legal a:hover { text-decoration: underline; }
.legal .lead { font-size: 17px; color: var(--text-dim); margin-bottom: 24px; }

/* ── Responsive ── */
@media (max-width: 860px) {
  .hero-inner { grid-template-columns: 1fr; gap: 36px; padding: 56px 0 64px; }
  .hero-visual { order: -1; }
  .hero h1 { font-size: 40px; }
  .features, .steps { grid-template-columns: 1fr; }
  .pro-inner { grid-template-columns: 1fr; }
  .nav-link.hide-sm { display: none; }
}