/* Nuvinor Step 14 — unified full-width header/footer shell */
:root{
  --nuv-shell-max: 1440px;
  --nuv-shell-gutter: clamp(16px, 2.1vw, 32px);
}
.nuv-global-shell{
  width: min(100%, var(--nuv-shell-max));
  margin-inline: auto;
  padding-left: var(--nuv-shell-gutter);
  padding-right: var(--nuv-shell-gutter);
  box-sizing: border-box;
}
header, header nav, footer{
  width:100%;
  max-width:none;
}
@media (min-width: 1536px){
  :root{ --nuv-shell-max: 1536px; }
}
@media (max-width: 1023px){
  :root{ --nuv-shell-gutter: 20px; }
}
@media (max-width: 639px){
  :root{ --nuv-shell-gutter: 14px; }
  footer .nuv-global-shell{ padding-top: 36px; padding-bottom: 24px; }
}
@media (max-width: 420px){
  :root{ --nuv-shell-gutter: 12px; }
}