:root {
  --bg: #0F0E1A;
  --bg-soft: #1A1828;
  --card: #181627;
  --border: #2A2740;
  --text: #ECEAF6;
  --text-dim: #A09CB8;
  --primary: #6C63FF;
  --primary-dim: #4F46D6;
  --accent: #54C5F8;
  --danger: #FF6584;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; color: #8E87FF; }

header {
  border-bottom: 1px solid var(--border);
  background: rgba(15, 14, 26, 0.85);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 10;
}

.nav {
  max-width: 1100px;
  margin: 0 auto;
  padding: 18px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 18px;
  color: var(--text);
}

.brand .logo {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 800;
  font-size: 16px;
}

.nav-links {
  display: flex;
  gap: 22px;
  flex-wrap: wrap;
}

.nav-links a {
  color: var(--text-dim);
  font-size: 14px;
}

.nav-links a:hover { color: var(--text); text-decoration: none; }

main {
  max-width: 800px;
  margin: 0 auto;
  padding: 48px 24px 80px;
}

main.wide { max-width: 1100px; }

h1 {
  font-size: 36px;
  line-height: 1.2;
  margin: 0 0 16px;
  font-weight: 800;
  letter-spacing: -0.5px;
}

h2 {
  font-size: 22px;
  margin: 40px 0 12px;
  font-weight: 700;
  letter-spacing: -0.2px;
}

h3 {
  font-size: 17px;
  margin: 24px 0 8px;
  color: var(--text);
}

p { margin: 0 0 14px; color: var(--text-dim); }

ul, ol { padding-left: 22px; color: var(--text-dim); }
li { margin-bottom: 8px; }

strong { color: var(--text); font-weight: 600; }

.lead { font-size: 18px; color: var(--text); margin-bottom: 28px; }

.meta {
  display: inline-block;
  font-size: 13px;
  color: var(--text-dim);
  background: var(--bg-soft);
  border: 1px solid var(--border);
  padding: 6px 12px;
  border-radius: 999px;
  margin-bottom: 24px;
}

.hero {
  text-align: center;
  padding: 60px 24px 40px;
}

.hero h1 {
  font-size: 48px;
  background: linear-gradient(135deg, #FFF, #B5B0E0);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero p {
  max-width: 620px;
  margin: 0 auto 28px;
  font-size: 19px;
  color: var(--text-dim);
}

.cta-group {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 28px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 22px;
  border-radius: 12px;
  font-weight: 600;
  font-size: 15px;
  border: 1px solid transparent;
  transition: transform 0.15s ease, background 0.15s ease;
}

.btn:hover { text-decoration: none; transform: translateY(-1px); }

.btn-primary {
  background: var(--primary);
  color: white;
}
.btn-primary:hover { background: var(--primary-dim); color: white; }

.btn-secondary {
  background: var(--bg-soft);
  color: var(--text);
  border-color: var(--border);
}
.btn-secondary:hover { color: var(--text); border-color: var(--primary); }

.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 56px;
}

.feature {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 24px;
}

.feature-icon {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  margin-bottom: 14px;
}

.feature h3 { margin: 0 0 6px; font-size: 16px; }
.feature p { margin: 0; font-size: 14px; }

.callout {
  background: var(--card);
  border: 1px solid var(--border);
  border-left: 3px solid var(--primary);
  border-radius: 10px;
  padding: 16px 20px;
  margin: 24px 0;
}

.callout p:last-child { margin: 0; }

footer {
  border-top: 1px solid var(--border);
  padding: 32px 24px;
  text-align: center;
  color: var(--text-dim);
  font-size: 14px;
}

footer .nav-links {
  justify-content: center;
  margin-bottom: 12px;
}

code {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  padding: 2px 7px;
  border-radius: 5px;
  font-size: 13px;
  color: var(--accent);
}

table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0;
  font-size: 14px;
}

th, td {
  border: 1px solid var(--border);
  padding: 10px 12px;
  text-align: left;
  vertical-align: top;
}

th { background: var(--bg-soft); color: var(--text); }
td { color: var(--text-dim); }

@media (max-width: 700px) {
  .hero { padding: 40px 16px 24px; }
  .hero h1 { font-size: 34px; }
  .hero p { font-size: 17px; }
  h1 { font-size: 28px; }
  h2 { font-size: 19px; }
  main { padding: 32px 18px 56px; }
  .features { grid-template-columns: 1fr; gap: 14px; }
  .nav { padding: 14px 18px; }
  .nav-links { gap: 14px; }
}