:root {
  --bg: #080b11;
  --panel: #111823;
  --line: rgba(255, 255, 255, 0.1);
  --text: #e9eff8;
  --muted: #94a3b8;
  --accent: #7cc4ff;
  --accent-strong: #4f8cff;
  color-scheme: dark;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background:
    radial-gradient(900px 500px at 10% -10%, rgba(79, 140, 255, 0.18), transparent 60%),
    var(--bg);
  color: var(--text);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Arial, sans-serif;
  line-height: 1.65;
  font-size: 16px;
}

a {
  color: var(--accent);
}

.container {
  max-width: 820px;
  margin: 0 auto;
  padding: 0 20px;
}

header.site {
  border-bottom: 1px solid var(--line);
  background: rgba(8, 11, 17, 0.8);
  backdrop-filter: blur(12px);
  position: sticky;
  top: 0;
  z-index: 10;
}

header.site .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  max-width: 1180px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-weight: 650;
  text-decoration: none;
}

.brand svg {
  color: var(--accent);
}

nav.top {
  display: flex;
  gap: 18px;
}

nav.top a {
  color: var(--muted);
  font-size: 0.92rem;
  text-decoration: none;
}

nav.top a:hover {
  color: var(--text);
}

main {
  padding: 56px 0 72px;
}

h1 {
  font-size: clamp(1.8rem, 3.4vw, 2.5rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 0 0 12px;
}

h2 {
  font-size: 1.35rem;
  margin: 36px 0 12px;
  letter-spacing: -0.01em;
}

h3 {
  font-size: 1.08rem;
  margin: 24px 0 8px;
}

p,
li {
  color: #cbd5e1;
}

ul,
ol {
  padding-left: 22px;
}

li {
  margin: 6px 0;
}

.lead {
  color: var(--muted);
  font-size: 1.08rem;
  margin-bottom: 24px;
}

.card {
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--panel);
  padding: 20px 22px;
  margin: 18px 0;
}

.cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 8px 0 4px;
  padding: 13px 24px;
  border-radius: 999px;
  background: linear-gradient(180deg, #5b95ff, #2f6fe0);
  color: #fff;
  font-weight: 600;
  text-decoration: none;
  box-shadow: 0 12px 28px rgba(47, 111, 224, 0.35);
}

.muted {
  color: var(--muted);
}

.small {
  font-size: 0.86rem;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0;
  font-size: 0.94rem;
}

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

th {
  color: var(--muted);
  font-weight: 600;
}

footer.site {
  border-top: 1px solid var(--line);
  padding: 28px 0;
  color: var(--muted);
  font-size: 0.88rem;
}

footer.site .container {
  max-width: 1180px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

footer.site a {
  color: var(--muted);
  text-decoration: none;
}

footer.site a:hover {
  color: var(--text);
}

@media (max-width: 640px) {
  nav.top {
    display: none;
  }
}