:root {
  --vg-bg: #FCFCFA;
  --vg-bg-nav: #F6F6F5;
  --vg-bg-surface: #F8F8F7;
  --vg-bg-frame: #F3F2EE;
  --vg-text-primary: #1E1E1E;
  --vg-text-secondary: #5A5A5A;
  --vg-text-hint: #B3B3B3;
  --vg-cta: #FFB14D;
  --vg-cta-hover: #F0A540;
  --vg-font-brand: 'IBM Plex Sans', system-ui, sans-serif;
  --vg-border: #DFDDD8;
  --vg-max: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--vg-bg);
  color: var(--vg-text-primary);
  font-family: var(--vg-font-brand);
  line-height: 1.5;
}

body {
  margin: 0;
  background: var(--vg-bg);
  color: var(--vg-text-primary);
}

a {
  color: inherit;
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.18em;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

.vg-container {
  width: min(var(--vg-max), calc(100% - 32px));
  margin-inline: auto;
}

.vg-header,
.vg-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 16px max(16px, calc((100vw - var(--vg-max)) / 2));
}

.vg-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(246, 246, 245, 0.94);
  border-bottom: 1px solid var(--vg-border);
  backdrop-filter: blur(12px);
}

.vg-footer {
  margin-top: 56px;
  background: var(--vg-bg-nav);
  border-top: 1px solid var(--vg-border);
}

.vg-footer p {
  margin: 4px 0 0;
  color: var(--vg-text-secondary);
}

.vg-logo {
  font-weight: 700;
  text-decoration: none;
}

.vg-nav {
  display: flex;
  align-items: center;
  gap: 18px;
}

.vg-nav a {
  text-decoration: none;
}

.vg-language-picker {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  border: 1px solid var(--vg-border);
  border-radius: 8px;
  padding: 3px;
  background: var(--vg-bg);
}

.vg-language-picker a,
.vg-language-picker span {
  min-width: 36px;
  border-radius: 6px;
  padding: 5px 8px;
  color: var(--vg-text-secondary);
  font-size: 0.82rem;
  font-weight: 650;
  line-height: 1;
  text-align: center;
  text-decoration: none;
}

.vg-language-picker span {
  background: var(--vg-bg-frame);
  color: var(--vg-text-primary);
}

.vg-language-picker a:hover {
  background: var(--vg-bg-surface);
  color: var(--vg-text-primary);
}

.vg-button {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  border: 1px solid #D99036;
  border-radius: 8px;
  padding: 10px 18px;
  background: var(--vg-cta);
  color: var(--vg-text-primary);
  font-weight: 650;
  text-decoration: none;
  transition: background 150ms ease, transform 150ms ease;
}

.vg-button:hover {
  background: var(--vg-cta-hover);
  transform: translateY(-1px);
}

.vg-button-small {
  min-height: 36px;
  padding: 8px 14px;
}

.vg-muted {
  color: var(--vg-text-secondary);
}

@media (max-width: 640px) {
  .vg-header,
  .vg-footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .vg-nav {
    width: 100%;
    justify-content: space-between;
  }
}