:root {
  --idg-color-text: #111827;
  --idg-color-muted: #5f6b7a;
  --idg-color-border: rgba(17, 24, 39, 0.12);
  --idg-color-surface: #ffffff;
  --idg-color-surface-soft: #f7f8fa;
  --idg-color-focus: #2563eb;

  --idg-font-body: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --idg-container-max: 1180px;
  --idg-container-pad: 24px;
}

html {
  box-sizing: border-box;
  scroll-behavior: smooth;
  scroll-padding-top: 84px;
}

*,
*::before,
*::after {
  box-sizing: inherit;
}

body {
  margin: 0;
  background: var(--idg-color-surface);
  color: var(--idg-color-text);
  font-family: var(--idg-font-body);
  font-size: 16px;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

img,
svg,
video {
  max-width: 100%;
  height: auto;
}

a {
  color: inherit;
}

a:focus-visible,
button:focus-visible {
  outline: 3px solid var(--idg-color-focus);
  outline-offset: 3px;
}

[id] {
  scroll-margin-top: 84px;
}

.idg-site {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.idg-site-main {
  flex: 1 0 auto;
}

.idg-container {
  width: min(100% - calc(var(--idg-container-pad) * 2), var(--idg-container-max));
  margin-inline: auto;
}

.idg-skip-link {
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: 9999;
  transform: translateY(-150%);
  background: var(--idg-color-text);
  color: #ffffff;
  padding: 10px 14px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 700;
}

.idg-skip-link:focus {
  transform: translateY(0);
}

@media (max-width: 700px) {
  :root {
    --idg-container-pad: 18px;
  }
}

@media (max-width: 920px) {
  html {
    scroll-padding-top: 92px;
  }

  [id] {
    scroll-margin-top: 92px;
  }
}