:root {
  --color-bg: #ffffff;
  --color-surface: #f6f7f9;
  --color-text: #1a1d21;
  --color-muted: #5b636e;
  --color-border: #e4e7eb;
  --color-primary: #1f6feb;
  --color-primary-contrast: #ffffff;
  --font-sans: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --maxw: 1080px;
  --radius: 10px;
}

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

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

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
}

/* Shared chrome */
.site-header {
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg);
  position: sticky;
  top: 0;
  z-index: 10;
}

.site-header-inner,
.site-footer-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 1rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.site-brand {
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.01em;
  text-decoration: none;
}

.site-nav {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.site-nav-link {
  text-decoration: none;
  color: var(--color-muted);
  font-weight: 500;
}

.site-nav-link:hover,
.site-nav-link[aria-current="page"] {
  color: var(--color-text);
}

.site-footer {
  border-top: 1px solid var(--color-border);
  background: var(--color-surface);
  margin-top: 0;
}

.site-footer-text {
  margin: 0;
  color: var(--color-muted);
  font-size: 0.9rem;
}

.site-footer-nav {
  display: flex;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.site-footer-nav a {
  text-decoration: none;
  color: var(--color-muted);
  font-size: 0.9rem;
}

.site-footer-nav a:hover {
  color: var(--color-text);
}

main {
  display: block;
}