:root {
  --bg: #0b0b0f;
  --bg-elevated: #131419;
  --text: #f2f2f7;
  --text-secondary: #9ca3af;
  --text-tertiary: #6b7280;
  --accent: #0a84ff;
  --purple: #7c5cff;
  --max-width: 720px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Helvetica Neue", sans-serif;
  background: linear-gradient(160deg, var(--bg) 0%, #14101f 50%, var(--bg) 100%);
  color: var(--text);
  line-height: 1.65;
  min-height: 100vh;
}

header {
  padding: 48px 24px 24px;
  text-align: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(19, 20, 25, 0.6);
  backdrop-filter: blur(12px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}

.brand-mark {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--purple), var(--accent));
  box-shadow: 0 0 24px rgba(124, 92, 255, 0.35);
}

.brand-name {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.tagline {
  color: var(--text-tertiary);
  font-size: 14px;
}

main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 32px 24px 64px;
}

h1 {
  font-size: 28px;
  margin: 0 0 8px;
}

.updated {
  color: var(--text-tertiary);
  font-size: 13px;
  margin-bottom: 32px;
}

h2 {
  font-size: 18px;
  margin: 28px 0 10px;
  color: var(--text);
}

p {
  margin: 0 0 14px;
  color: var(--text-secondary);
  white-space: pre-line;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

footer {
  text-align: center;
  padding: 24px;
  color: var(--text-tertiary);
  font-size: 13px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.nav-links {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-top: 12px;
  flex-wrap: wrap;
}

.support-card {
  background: var(--bg-elevated);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 16px;
  padding: 24px;
  margin: 16px 0;
}

.support-card h2 {
  margin-top: 0;
}