:root {
  --bg: #0E0F13;
  --surface: #1A1C22;
  --stroke: #2A2D36;
  --text: #F2F3F5;
  --text-secondary: #A8ADB8;
  --text-tertiary: #6B7280;
  --coral: #FF6B6B;
  --gold: #FFD166;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Inter", system-ui, sans-serif;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

.wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 48px 24px 96px;
}

header.site {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 40px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 20px;
  letter-spacing: -0.02em;
  color: var(--text);
  text-decoration: none;
}

.brand .dot {
  width: 12px; height: 12px; border-radius: 4px;
  background: linear-gradient(135deg, var(--coral), #C0392B);
}

.lang {
  display: inline-flex;
  background: var(--surface);
  border: 1px solid var(--stroke);
  border-radius: 999px;
  padding: 3px;
}
.lang button {
  border: 0; background: transparent; color: var(--text-secondary);
  font: inherit; font-size: 13px; font-weight: 700;
  padding: 6px 14px; border-radius: 999px; cursor: pointer;
}
.lang button.active { background: var(--coral); color: #fff; }

h1 { font-size: 34px; font-weight: 900; letter-spacing: -0.03em; margin-bottom: 8px; }
h2 { font-size: 20px; font-weight: 800; margin: 32px 0 10px; letter-spacing: -0.01em; }
p, li { color: var(--text-secondary); font-size: 16px; margin-bottom: 12px; }
ul { padding-left: 22px; margin-bottom: 12px; }
a { color: var(--coral); text-decoration: none; }
a:hover { text-decoration: underline; }
.muted { color: var(--text-tertiary); font-size: 14px; }
strong { color: var(--text); font-weight: 700; }

.hero { text-align: center; padding: 32px 0 8px; }
.hero .tagline { font-size: 18px; color: var(--text-secondary); max-width: 440px; margin: 0 auto 28px; }
.cta {
  display: inline-block; background: var(--coral); color: #fff;
  font-weight: 800; padding: 14px 28px; border-radius: 14px; font-size: 16px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--stroke);
  border-radius: 18px;
  padding: 24px;
  margin-top: 16px;
}

footer.site {
  margin-top: 56px; padding-top: 24px; border-top: 1px solid var(--stroke);
  display: flex; flex-wrap: wrap; gap: 18px; align-items: center;
}
footer.site a { color: var(--text-secondary); font-size: 14px; }
footer.site .spacer { flex: 1; }

[data-lang] { display: none; }
[data-lang].show { display: block; }