:root {
  --bg: #050911;
  --bg-mid: #0F1A2E;
  --ink-line: #1E2A42;
  --blue: #2D6BD9;
  --blue-light: #5C9CFF;
  --gold: #C9A24A;
  --gold-light: #E7C97A;
  --text: #FFFFFF;
  --text-mute: rgba(255, 255, 255, 0.72);
  --text-faint: rgba(255, 255, 255, 0.45);
  --border: rgba(92, 156, 255, 0.25);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans",
    "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.8;
  min-height: 100vh;
  background-image:
    radial-gradient(circle at 20% -10%, rgba(92, 156, 255, 0.12), transparent 50%),
    radial-gradient(circle at 80% 110%, rgba(201, 162, 74, 0.08), transparent 50%);
}

.container {
  max-width: 760px;
  margin: 0 auto;
  padding: 32px 24px 80px;
}

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--ink-line);
  flex-wrap: wrap;
  gap: 12px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text);
}

.brand-mark {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  background: var(--bg-mid);
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 18px;
  font-weight: 900;
  color: var(--blue-light);
  letter-spacing: 1px;
}

.brand-name {
  font-size: 18px;
  font-weight: 900;
  letter-spacing: 2px;
  display: block;
}

.brand-tag {
  font-size: 10px;
  color: var(--text-faint);
  letter-spacing: 1.5px;
  display: block;
}

nav {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

nav a {
  font-size: 13px;
  color: var(--text-mute);
  text-decoration: none;
  padding: 6px 10px;
  border-radius: 8px;
}

nav a.active,
nav a:hover {
  color: var(--blue-light);
  background: rgba(92, 156, 255, 0.08);
}

h1 {
  font-size: 28px;
  line-height: 1.4;
  font-weight: 900;
  margin: 32px 0 16px;
}

h2 {
  font-size: 20px;
  font-weight: 800;
  margin: 32px 0 12px;
  padding-left: 12px;
  border-left: 4px solid var(--blue);
}

h3 {
  font-size: 16px;
  font-weight: 700;
  margin: 24px 0 8px;
  color: var(--blue-light);
}

p {
  color: var(--text-mute);
  margin-bottom: 14px;
}

strong {
  color: var(--text);
}

ul {
  padding-left: 20px;
  color: var(--text-mute);
  margin-bottom: 14px;
}

li {
  margin-bottom: 6px;
}

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

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

th {
  color: var(--blue-light);
  font-weight: 700;
}

.pill {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 1px;
  margin-right: 6px;
}

.pill-basic {
  background: var(--blue);
  color: white;
}

.pill-pro {
  background: var(--gold);
  color: black;
}

footer {
  margin-top: 56px;
  padding-top: 24px;
  border-top: 1px solid var(--ink-line);
  font-size: 12px;
  color: var(--text-faint);
  text-align: center;
}