:root {
  --bg: #070a12;
  --card: rgba(255, 255, 255, 0.06);
  --card2: rgba(255, 255, 255, 0.08);
  --border: rgba(255, 255, 255, 0.12);
  --text: rgba(255, 255, 255, 0.92);
  --muted: rgba(255, 255, 255, 0.68);
  --muted2: rgba(255, 255, 255, 0.55);
  --brand: #5b7cff;
  --brand2: #00bfa6;
  --warn: #ffb020;
  --danger: #ff4d6d;
  --shadow: 0 18px 55px rgba(0, 0, 0, 0.45);
  --radius: 22px;
  --radius2: 28px;
  --max: 1120px;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  background: radial-gradient(1200px 800px at 20% 10%, rgba(91,124,255,0.22), transparent 60%),
              radial-gradient(1200px 800px at 85% 30%, rgba(0,191,166,0.20), transparent 55%),
              radial-gradient(900px 700px at 50% 90%, rgba(124,77,255,0.16), transparent 60%),
              var(--bg);
  color: var(--text);
  line-height: 1.55;
}

a { color: inherit; text-decoration: none; }
a:hover { text-decoration: underline; }

.container {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 20px;
}

.nav {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(16px);
  background: rgba(7,10,18,0.55);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 900;
  letter-spacing: 0.2px;
}

.logo {
  width: 36px;
  height: 36px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--brand), var(--brand2));
  box-shadow: 0 10px 28px rgba(91,124,255,0.25);
}

.nav-links {
  display: flex;
  gap: 14px;
  align-items: center;
  flex-wrap: wrap;
}

.nav-links a {
  padding: 8px 10px;
  border-radius: 12px;
  color: var(--muted);
}

.nav-links a.active,
.nav-links a:hover {
  background: rgba(255,255,255,0.06);
  color: var(--text);
  text-decoration: none;
}

.hero {
  padding: 54px 0 24px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 22px;
  align-items: start;
}

@media (max-width: 920px) {
  .hero-grid { grid-template-columns: 1fr; }
}

.h1 {
  font-size: clamp(34px, 3.3vw, 54px);
  line-height: 1.04;
  letter-spacing: -0.6px;
  margin: 0 0 12px;
}

.lead {
  color: var(--muted);
  font-size: clamp(15px, 1.25vw, 18px);
  margin: 0 0 18px;
}

.badges {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin: 18px 0 0;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 12px;
  border: 1px solid rgba(255,255,255,0.10);
  border-radius: 999px;
  background: rgba(255,255,255,0.05);
  color: var(--muted);
  font-weight: 650;
  font-size: 13px;
}

.card {
  background: linear-gradient(180deg, rgba(255,255,255,0.07), rgba(255,255,255,0.04));
  border: 1px solid rgba(255,255,255,0.10);
  border-radius: var(--radius2);
  box-shadow: var(--shadow);
}

.card-inner { padding: 18px; }

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 18px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 14px;
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,0.12);
  background: rgba(255,255,255,0.06);
  color: var(--text);
  font-weight: 800;
}

.btn.primary {
  background: linear-gradient(135deg, rgba(91,124,255,1), rgba(0,191,166,1));
  border: none;
}

.btn:focus { outline: 2px solid rgba(91,124,255,0.55); outline-offset: 2px; }

.small {
  font-size: 13px;
  color: var(--muted2);
}

.section { padding: 22px 0; }

.section-title {
  font-size: 18px;
  letter-spacing: 0.2px;
  color: var(--text);
  margin: 0 0 10px;
}

.grid3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

@media (max-width: 920px) {
  .grid3 { grid-template-columns: 1fr; }
}

.feature {
  padding: 16px;
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,0.10);
  background: rgba(255,255,255,0.05);
}

.feature h3 {
  margin: 0 0 6px;
  font-size: 16px;
}

.feature p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.footer {
  border-top: 1px solid rgba(255,255,255,0.08);
  margin-top: 26px;
  padding: 18px 0 40px;
  color: var(--muted);
}

.prose {
  padding: 16px 0;
}

.prose h1 { margin: 0 0 10px; font-size: 28px; }
.prose h2 { margin: 18px 0 8px; font-size: 18px; }
.prose p { margin: 0 0 10px; color: var(--muted); }
.prose ul { margin: 0 0 10px 18px; color: var(--muted); }
.prose li { margin: 6px 0; }

.kv {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 10px;
  padding: 12px 14px;
  border-radius: 16px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.10);
}

@media (max-width: 620px) {
  .kv { grid-template-columns: 1fr; }
}

.hr {
  height: 1px;
  background: rgba(255,255,255,0.10);
  border: 0;
  margin: 16px 0;
}