:root {
  --accent: #1D9E75;
  --accent-dim: #0F6E56;
  --bg: #0d1210;
  --surface: #131f1b;
  --text: #e4ede9;
  --muted: #7a9e8f;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  padding: 2rem 1rem 4rem;
}
.container { max-width: 680px; margin: 0 auto; }
header { display: flex; align-items: center; gap: 1rem; margin-bottom: 2.5rem; }
.logo {
  width: 52px; height: 52px; border-radius: 14px;
  background: var(--accent);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.logo svg { width: 34px; height: 34px; }
h1 { font-size: 1.5rem; font-weight: 700; }
h1 span { display: block; font-size: 0.85rem; font-weight: 400; color: var(--muted); }
h2 {
  font-size: 1.05rem; font-weight: 600;
  color: var(--accent); margin: 2rem 0 0.5rem;
}
p { color: var(--muted); margin-bottom: 0.75rem; }
ul { color: var(--muted); padding-left: 1.25rem; margin-bottom: 0.75rem; }
li { margin-bottom: 0.3rem; }
.card {
  background: var(--surface);
  border-radius: 14px; padding: 1.5rem;
  border: 1px solid rgba(29,158,117,0.15);
  margin-top: 2rem;
}
.lang-toggle {
  display: flex; gap: 0.5rem; justify-content: flex-end; margin-bottom: 1.5rem;
}
.lang-toggle button {
  background: none; border: 1px solid rgba(255,255,255,0.12);
  color: var(--muted); border-radius: 6px; padding: 0.3rem 0.75rem;
  cursor: pointer; font-size: 0.85rem;
}
.lang-toggle button.active {
  border-color: var(--accent); color: var(--accent);
}
[lang-section] { display: none; }
[lang-section].visible { display: block; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
footer { margin-top: 3rem; text-align: center; font-size: 0.8rem; color: var(--muted); }