:root {
  --accent: #4B3529;
  --bg: #FBF8F6;
  --text: #111111;
  --muted: #6B5A53;
  --section-a: #FFFFFF;
  --section-b: #FEFBF9;
  --section-divider: rgba(75, 53, 41, 0.04);
}

body {
  font-family: 'Segoe UI', sans-serif;
  scroll-behavior: smooth;
  margin: 0;
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  background: var(--bg);
}

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

.container-centered {
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1rem;
  padding-right: 1rem;
}

.lead {
  font-size: 1.02rem;
}

.lang-flag {
  background: transparent;
  border: 0;
  padding: 0.15rem 0.35rem;
  font-size: 1.05rem;
  line-height: 1;
  cursor: pointer;
  border-radius: 0.35rem;
  transition: background .15s ease, transform .08s ease;
}

.lang-flag.active {
  transform: translateY(-1px);
}