:root {
  --color-text: #1b2430;
  --color-muted: #5b6676;
  --color-bg: #ffffff;
  --color-brand: #0f3d5e;
  --color-border: #e3e7ec;
  --font-sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --max-width: 72rem;
}

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

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  font-family: var(--font-sans);
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
}

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

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

.container {
  width: 100%;
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: 1rem;
}

main {
  flex: 1;
  padding-block: 3rem;
}

.site-header,
.site-footer {
  border-color: var(--color-border);
  border-style: solid;
  border-width: 0;
}

.site-header {
  border-bottom-width: 1px;
  padding-block: 1rem;
}

.site-footer {
  border-top-width: 1px;
  padding-block: 1.5rem;
  color: var(--color-muted);
  font-size: 0.875rem;
}

.brand {
  font-weight: 700;
  font-size: 1.125rem;
  text-decoration: none;
}