:root {
  --bg: #141416;
  --surface: #1C1C1E;
  --border: #2C2C2E;
  --text: #F2F2F7;
  --text-secondary: #8E8E93;
  --accent: #6C5CE7;
  --accent-hover: #7C6CF7;
}

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

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Text', 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  background-color: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

.container {
  max-width: 720px;
  margin: 0 auto;
  padding: 48px 24px 80px;
}

/* Navigation */
.nav {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(20, 20, 22, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 16px 24px;
}

.nav-inner {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text);
  text-decoration: none;
  letter-spacing: -0.02em;
}

.nav-links {
  display: flex;
  gap: 24px;
}

.nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  transition: color 0.2s;
}

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

/* Typography */
h1 {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 8px;
  color: var(--text);
}

h2 {
  font-size: 1.375rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-top: 48px;
  margin-bottom: 16px;
  color: var(--text);
}

h3 {
  font-size: 1.0625rem;
  font-weight: 600;
  margin-top: 32px;
  margin-bottom: 12px;
  color: var(--text);
}

p {
  margin-bottom: 16px;
  color: var(--text-secondary);
  font-size: 0.9375rem;
}

.meta {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  margin-bottom: 32px;
}

hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 40px 0;
}

/* Lists */
ul, ol {
  margin-bottom: 16px;
  padding-left: 24px;
}

li {
  color: var(--text-secondary);
  font-size: 0.9375rem;
  margin-bottom: 8px;
  line-height: 1.6;
}

/* Links */
a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.2s;
}

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

/* Tables */
table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 24px;
  font-size: 0.8125rem;
}

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

th {
  font-weight: 600;
  color: var(--text);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

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

/* Support page */
.support-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 32px;
  margin-bottom: 24px;
}

.support-card h3 {
  margin-top: 0;
}

.support-email {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent);
  color: #fff;
  padding: 12px 24px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.9375rem;
  transition: background 0.2s;
}

.support-email:hover {
  background: var(--accent-hover);
  color: #fff;
}

/* Footer */
.footer {
  border-top: 1px solid var(--border);
  margin-top: 64px;
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-text {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  margin-bottom: 0;
}

.footer-links {
  display: flex;
  gap: 20px;
}

.footer-links a {
  font-size: 0.8125rem;
  color: var(--text-secondary);
}

/* Responsive */
@media (max-width: 600px) {
  .container {
    padding: 32px 16px 64px;
  }

  h1 {
    font-size: 1.625rem;
  }

  h2 {
    font-size: 1.25rem;
    margin-top: 36px;
  }

  .nav-links {
    gap: 16px;
  }

  table {
    display: block;
    overflow-x: auto;
    white-space: nowrap;
  }

  .footer {
    flex-direction: column;
    align-items: flex-start;
  }
}