:root {
  --black: #0a0a0a;
  --surface: #111111;
  --surface2: #1a1a1a;
  --primary: #a855f7;
  --primary-light: #c084fc;
  --primary-dim: rgba(168, 85, 247, 0.12);
  --glass: rgba(17, 17, 17, 0.72);
  --glass-border: rgba(255, 255, 255, 0.08);
  --text: #e4e4e7;
  --text-dim: #9ca3af;
  --text-bright: #ffffff;
  --green: #00ff85;
  --cyan: #00e0ff;
  --red: #f87171;
  --yellow: #fbbf24;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--black);
  color: var(--text);
  line-height: 1.65;
}

a { color: inherit; }
img { max-width: 100%; display: block; }

.bg-grid {
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(128,128,128,.06) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(128,128,128,.06) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(ellipse 60% 50% at 50% 0%, #000 70%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 60% 50% at 50% 0%, #000 70%, transparent 100%);
  pointer-events: none;
}

.container {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  background: rgba(10, 10, 10, 0.78);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 72px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}
.brand-mark {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: var(--primary);
  box-shadow: 0 0 16px rgba(168,85,247,.7);
}
.brand-text {
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 1.8px;
  text-transform: uppercase;
  color: var(--text-bright);
}
.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}
.nav a {
  text-decoration: none;
  color: var(--text-dim);
  font-size: 14px;
  font-weight: 600;
}
.nav a:hover, .nav a.active { color: var(--text-bright); }

.hero {
  padding: 72px 0 36px;
  text-align: center;
}
.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid rgba(168,85,247,.25);
  background: rgba(168,85,247,.08);
  color: var(--primary-light);
  border-radius: 999px;
  padding: 8px 16px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
}
.hero h1 {
  margin: 18px auto 14px;
  font-size: clamp(36px, 5vw, 58px);
  line-height: 1.02;
  letter-spacing: -0.03em;
  color: var(--text-bright);
  max-width: 900px;
}
.hero h1 .accent, .accent {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero p.lead {
  max-width: 760px;
  margin: 0 auto 28px;
  color: var(--text-dim);
  font-size: 18px;
}

.glass {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: 24px;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.section {
  padding: 28px 0;
}
.section h2 {
  font-size: 32px;
  line-height: 1.1;
  margin: 0 0 12px;
  color: var(--text-bright);
  letter-spacing: -0.02em;
}
.section > p.section-sub,
.section .section-sub {
  color: var(--text-dim);
  max-width: 760px;
  margin: 0 0 26px;
}

.grid-2, .grid-3, .grid-4 {
  display: grid;
  gap: 18px;
}
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

.card {
  padding: 24px;
}
.card h3, .card h4 {
  margin: 0 0 10px;
  color: var(--text-bright);
}
.card p:last-child, .card ul:last-child { margin-bottom: 0; }

.kpi-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
  margin-bottom: 24px;
}
.kpi {
  padding: 12px 16px;
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,0.08);
  background: rgba(255,255,255,0.03);
  color: var(--text-dim);
  font-size: 14px;
}
.kpi strong { color: var(--text-bright); }

.button-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 20px;
  border-radius: 14px;
  text-decoration: none;
  font-weight: 700;
  font-size: 14px;
  transition: .2s ease;
}
.btn-primary {
  background: var(--primary);
  color: #fff;
}
.btn-primary:hover { background: var(--primary-light); }
.btn-secondary {
  border: 1px solid rgba(255,255,255,0.09);
  background: rgba(255,255,255,0.03);
  color: var(--text-bright);
}

.list, .checklist {
  padding-left: 18px;
  margin: 12px 0;
}
.list li, .checklist li { margin-bottom: 8px; }
.checklist { list-style: none; padding-left: 0; }
.checklist li {
  position: relative;
  padding-left: 22px;
}
.checklist li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--green);
  font-weight: 800;
}

.note {
  border-left: 3px solid var(--primary);
  padding: 14px 16px;
  color: var(--text-dim);
  background: rgba(168,85,247,.06);
  border-radius: 0 14px 14px 0;
}

.table-wrap {
  overflow-x: auto;
}
table {
  width: 100%;
  border-collapse: collapse;
}
th, td {
  text-align: left;
  padding: 14px 12px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  vertical-align: top;
}
th {
  color: var(--text-bright);
  font-size: 13px;
  letter-spacing: .04em;
  text-transform: uppercase;
}
td { color: var(--text-dim); }

.footer {
  padding: 48px 0 72px;
  color: var(--text-dim);
}
.footer-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: 2fr 1fr 1fr 1fr;
}
.footer a { text-decoration: none; color: var(--text-dim); }
.footer a:hover { color: var(--text-bright); }
.small { font-size: 13px; color: var(--text-dim); }
.mono { font-family: "JetBrains Mono", ui-monospace, monospace; }
.center { text-align: center; }

@media (max-width: 900px) {
  .grid-2, .grid-3, .grid-4, .footer-grid { grid-template-columns: 1fr; }
  .topbar-inner { flex-direction: column; align-items: flex-start; padding: 14px 0; }
  .nav { gap: 12px; }
}