/* Reset + base */
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }

body {
  font-family: var(--font-stack);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

/* ===== Header (shared structure, dark + light variants) ===== */
.site-header {
  padding: 16px 32px;
  border-bottom: 1px solid;
  position: relative;
  z-index: 10;
}
.site-header.is-dark  { background: var(--ink-900); border-bottom-color: var(--border-dark); }
.site-header.is-light { background: var(--white);   border-bottom-color: var(--border-light); }

.site-header-inner {
  max-width: 1080px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand {
  display: flex;
  gap: 10px;
  align-items: center;
  text-decoration: none;
  color: inherit;
}
.brand-icon {
  width: 28px;
  height: 28px;
  display: block;
  flex-shrink: 0;
}
.is-dark .brand-icon {
  filter: drop-shadow(0 0 8px rgba(96,165,250,0.35));
}

.brand-name { font-weight: 600; font-size: 16px; }
.is-dark  .brand-name { color: var(--text-primary-dark); }
.is-light .brand-name { color: var(--text-primary-light); }

.nav { display: flex; gap: 24px; align-items: center; }
.nav a {
  font-size: 14px;
  text-decoration: none;
  transition: color 0.15s;
}
.is-dark  .nav a { color: var(--text-muted-dark); }
.is-light .nav a { color: var(--text-secondary-light); }
.is-dark  .nav a:hover { color: var(--brand-300); }
.is-light .nav a:hover { color: var(--brand-700); }

.nav .nav-cta {
  background: var(--brand-grad);
  color: white !important;
  padding: 7px 14px;
  border-radius: var(--radius-button);
  font-weight: 500;
  box-shadow: 0 4px 14px rgba(29,78,216,0.35);
}
.is-light .nav .nav-cta { box-shadow: 0 4px 14px rgba(29,78,216,0.25); }
.nav .nav-cta:hover { opacity: 0.92; }

/* ===== Footer (shared structure, dark + light variants) ===== */
.site-footer {
  padding: 24px 32px;
  border-top: 1px solid;
}
.site-footer.is-dark  { background: var(--ink-1000); border-top-color: var(--border-dark); }
.site-footer.is-light { background: var(--paper);    border-top-color: var(--border-light); }

.site-footer-inner {
  max-width: 1080px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13px;
}
.site-footer.is-dark  { color: var(--text-muted-dark); }
.site-footer.is-light { color: var(--text-muted-light); }

.site-footer a { text-decoration: none; }
.site-footer.is-dark  a { color: var(--text-muted-dark); }
.site-footer.is-light a { color: var(--text-muted-light); }
.site-footer.is-dark  a:hover { color: var(--brand-300); }
.site-footer.is-light a:hover { color: var(--brand-700); }

.footer-links { display: flex; gap: 18px; }

/* ===== Mobile baseline (header + footer only — page-specific responsive lives in landing/legal css) ===== */
@media (max-width: 720px) {
  .site-header, .site-footer { padding-left: 20px; padding-right: 20px; }
  .nav { gap: 14px; }
  .nav a:not(.nav-cta) { display: none; }
}