/* Базовый каркас гостевого лендинга (mobile-first). Темы переопределяют палитру/формы. */
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  line-height: 1.55;
}

.bg-layer {
  position: fixed;
  inset: 0;
  z-index: -1;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}
.bg-layer::after { content: ""; position: absolute; inset: 0; }

.site-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  padding: 0.9rem 1rem;
}
.site-header .logo { height: 44px; width: auto; }
.site-header .spacer { flex: 1; }
.header-contacts { display: flex; flex-wrap: wrap; gap: 0.5rem; }

.container {
  width: 100%;
  max-width: 860px;
  margin: 0 auto;
  padding: 2rem 1rem;
  flex: 1;
}
.brand { text-align: center; margin-bottom: 1.5rem; }
.brand .logo { max-width: 180px; max-height: 110px; }
.site-title { margin: 0.5rem 0 0.25rem; font-size: 1.9rem; }
.site-description { margin: 0 auto; max-width: 46ch; opacity: 0.9; }

.content { margin-top: 1.5rem; overflow-wrap: anywhere; }
.content img { max-width: 100%; height: auto; border-radius: 8px; }

.contact-btn {
  display: inline-block;
  padding: 0.55rem 1.1rem;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  border: 1px solid transparent;
}
.bot-link { text-align: center; margin-top: 2rem; }

.lang-switch { display: flex; gap: 0.35rem; }
.lang-switch a { text-decoration: none; font-size: 0.85rem; padding: 0.15rem 0.4rem; border-radius: 6px; }
.lang-switch a.active { font-weight: 700; text-decoration: underline; }

.site-footer { padding: 1.2rem 1rem; text-align: center; }
.footer-contacts { display: flex; flex-wrap: wrap; justify-content: center; gap: 0.5rem; margin-bottom: 0.6rem; }
.powered { font-size: 0.75rem; opacity: 0.65; }

@media (min-width: 720px) {
  .site-header { padding: 1.1rem 2rem; }
  .site-title { font-size: 2.6rem; }
  .container { padding: 3rem 2rem; }
}