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

html,
body {
  min-height: 100%;
}

html {
  background: var(--color-page-background);
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--color-page-background);
  color: var(--color-text-primary);
  font-family: var(--font-family-sans);
  font-size: var(--font-size-body);
  font-weight: var(--font-weight-regular);
  line-height: var(--line-height-body);
  letter-spacing: 0;
  text-rendering: optimizeLegibility;
}

body,
button,
input,
select,
textarea {
  font-family: var(--font-family-sans);
}

button,
input,
select,
textarea {
  font-size: inherit;
  letter-spacing: 0;
}

button {
  color: inherit;
}

a {
  color: var(--color-brand-text);
  text-underline-offset: 3px;
}

a:hover {
  color: var(--color-brand-hover);
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2,
h3 {
  color: var(--color-text-primary);
  line-height: var(--line-height-heading);
  letter-spacing: 0;
}

h1 {
  margin-bottom: var(--space-2);
  font-size: var(--font-size-h1);
  font-weight: var(--font-weight-bold);
}

h2 {
  margin-bottom: var(--space-3);
  font-size: var(--font-size-h2);
  font-weight: var(--font-weight-semibold);
}

h3 {
  margin-bottom: var(--space-2);
  font-size: var(--font-size-h3);
  font-weight: var(--font-weight-semibold);
}

p {
  margin-bottom: var(--space-4);
}

small {
  font-size: var(--font-size-meta);
}

strong {
  font-weight: var(--font-weight-bold);
}

hr {
  border: 0;
  border-top: var(--border-width) solid var(--color-divider);
  margin: var(--space-6) 0;
}

::selection {
  background: var(--color-brand-background-subtle);
  color: var(--color-text-primary);
}

:focus {
  outline: none;
}

:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 2px;
}

#main-content:focus {
  outline: none;
}

.skip-link {
  position: fixed;
  top: var(--space-3);
  left: var(--space-3);
  z-index: var(--z-tooltip);
  border-radius: var(--radius-medium);
  padding: var(--space-2) var(--space-3);
  background: var(--color-surface);
  color: var(--color-text-primary);
  box-shadow: var(--shadow-large);
  font-weight: var(--font-weight-bold);
  text-decoration: none;
  transform: translateY(-180%);
  transition: transform var(--motion-fast) var(--motion-ease);
}

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

.app-icon {
  flex: 0 0 auto;
  display: block;
  fill: none;
  color: inherit;
  stroke: currentColor;
}

.app-icon--16 {
  width: 16px;
  height: 16px;
}

.app-icon--18 {
  width: 18px;
  height: 18px;
}

.app-icon--20 {
  width: 20px;
  height: 20px;
}

.app-icon--24 {
  width: 24px;
  height: 24px;
}

.app-icon--32 {
  width: 32px;
  height: 32px;
}

.eyebrow {
  margin: 0 0 var(--space-1);
  color: var(--color-text-muted);
  font-size: var(--font-size-meta);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-compact);
  text-transform: uppercase;
}

.section-help {
  color: var(--color-text-muted);
  font-size: var(--font-size-body-small);
  line-height: var(--line-height-body);
}

.numeric,
time,
.metric strong,
.kpi-card strong {
  font-variant-numeric: tabular-nums;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto;
    transition-duration: 1ms;
    animation-duration: 1ms;
    animation-iteration-count: 1;
  }
}