/**
 * Page shell: header, main column, footer.
 */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-surface);
  box-shadow: var(--shadow-header);
}

.site-header__inner {
  max-width: var(--layout-max);
  margin: 0 auto;
  padding: var(--space-md) var(--layout-gutter);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}

@media (min-width: 768px) {
  .site-header__inner {
    flex-wrap: nowrap;
  }
}

.site-main {
  max-width: var(--layout-max);
  margin: 0 auto;
  padding: 0 var(--layout-gutter) var(--space-2xl);
}

.site-footer {
  background: var(--color-black);
  color: var(--color-footer-text);
  padding: 0;
  font-size: 0.875rem;
}

.site-footer__inner {
  max-width: var(--layout-max);
  margin: 0 auto;
  padding: 2.5rem var(--layout-gutter) 1.75rem;
  display: grid;
  gap: var(--space-xl);
}

.site-footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding: 1.35rem var(--layout-gutter) 2rem;
  background: #0a0a0a;
}

.site-footer__cta {
  max-width: var(--layout-max);
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  justify-content: center;
  align-items: stretch;
}

.site-footer__cta-link {
  flex: 1 1 14rem;
  max-width: 22rem;
  text-align: center;
  padding: 1rem 1.5rem;
  border: 1px solid var(--color-green-footer);
  color: var(--color-surface);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9375rem;
  border-radius: var(--radius-sm);
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.site-footer__cta-link:hover {
  background: var(--color-green);
  border-color: var(--color-green);
  color: #fff;
  text-decoration: none;
}

.site-footer__cta-link[aria-current="page"] {
  background: rgba(124, 184, 154, 0.15);
  border-color: var(--color-green-footer);
}

.site-footer__cta-link .i18n--en,
.site-footer__cta-link .i18n--fr {
  display: block;
}

@media (min-width: 640px) {
  .site-footer__inner {
    grid-template-columns: 1fr auto;
    align-items: start;
  }
}

.site-footer a {
  color: var(--color-surface);
}

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

.site-footer .site-footer__cta-link:hover,
.site-footer .site-footer__cta-link:focus-visible {
  color: #fff;
}

.site-footer__heading {
  color: var(--color-surface);
  display: block;
  margin-bottom: 0.5rem;
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.site-footer__brand {
  font-weight: 700;
  color: var(--color-surface);
  font-size: 1rem;
  margin: 0;
}

.site-footer__brand span {
  color: var(--color-green-footer);
}

.site-footer__tagline {
  margin: 0.5rem 0 0;
  max-width: 28rem;
}

/* Header: logo (1), nav (2) desktop / tools (2) mobile — order swaps by breakpoint */
.site-header .logo {
  order: 1;
}

.site-header__tools {
  order: 2;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-left: auto;
}

.site-header__nav-wrap {
  order: 3;
}

@media (min-width: 768px) {
  .site-header__nav-wrap {
    order: 2;
  }

  .site-header__tools {
    order: 3;
    margin-left: 0;
  }
}