/* Header ------------------------------------------------------------------ */
.site-header {
  position: fixed;
  inset-inline: 0;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(12px);
  background: color-mix(in oklch, var(--background) 80%, transparent);
  border-bottom: 1px solid var(--border);
}
.site-header__bar {
  max-width: 80rem;
  margin-inline: auto;
  padding: 0.75rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.site-header__logo img { height: 2.5rem; width: auto; }

.site-nav { display: none; align-items: center; gap: 2rem; font-size: 0.875rem; }
.site-nav a:hover { color: var(--accent); }

.site-header__cta { display: none; }

.menu-toggle {
  display: inline-flex;
  background: none;
  border: none;
  padding: 0.5rem;
  margin-right: -0.5rem;
  color: var(--foreground);
}
.menu-toggle svg { width: 1.5rem; height: 1.5rem; }

.mobile-nav {
  display: none;
  border-top: 1px solid var(--border);
  background: var(--background);
}
.mobile-nav.is-open { display: block; }
.mobile-nav__list {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 1rem 1.5rem;
}
.mobile-nav__list a {
  display: block;
  padding: 0.75rem 0;
  border-bottom: 1px solid color-mix(in oklch, var(--border) 60%, transparent);
}
.mobile-nav .btn { margin-top: 1rem; text-align: center; }

@media (min-width: 768px) {
  .site-nav { display: flex; }
  .site-header__cta { display: inline-block; }
  .menu-toggle { display: none; }
  .mobile-nav { display: none !important; }
}

/* Footer -------------------------------------------------------------- */
.site-footer { background: var(--primary); color: var(--primary-foreground); }
.site-footer__grid {
  max-width: 80rem;
  margin-inline: auto;
  padding: 4rem 1.5rem;
  display: grid;
  gap: 3rem;
}
@media (min-width: 768px) {
  .site-footer__grid { grid-template-columns: repeat(4, 1fr); }
  .site-footer__brand { grid-column: span 2; }
}
.site-footer__brand img { height: 3rem; width: auto; filter: brightness(0) invert(1); margin-bottom: 1.25rem; }
.site-footer__brand p { color: color-mix(in oklch, var(--primary-foreground) 70%, transparent); font-size: 0.875rem; line-height: 1.6; max-width: 24rem; }

.site-footer__socials { display: flex; align-items: center; gap: 0.5rem; margin-top: 1.25rem; }
.site-footer__socials a {
  padding: 0.5rem;
  border-radius: var(--radius);
  border: 1px solid color-mix(in oklch, var(--primary-foreground) 20%, transparent);
}
.site-footer__socials a:hover { border-color: var(--accent); color: var(--accent); }
.site-footer__socials svg { width: 1rem; height: 1rem; }

.site-footer__heading {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: color-mix(in oklch, var(--primary-foreground) 50%, transparent);
  margin-bottom: 1rem;
}
.site-footer__nav li, .site-footer__contact li { margin-bottom: 0.75rem; font-size: 0.875rem; }
.site-footer__nav a { color: color-mix(in oklch, var(--primary-foreground) 80%, transparent); }
.site-footer__nav a:hover { color: var(--accent); }
.site-footer__contact li { display: flex; align-items: flex-start; gap: 0.5rem; color: color-mix(in oklch, var(--primary-foreground) 80%, transparent); }
.site-footer__contact svg { width: 1rem; height: 1rem; color: var(--accent); flex-shrink: 0; margin-top: 0.15rem; }
.site-footer__contact a:hover { color: var(--accent); }

.site-footer__bottom { border-top: 1px solid color-mix(in oklch, var(--primary-foreground) 10%, transparent); }
.site-footer__bottom-inner {
  max-width: 80rem;
  margin-inline: auto;
  padding: 1.5rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.75rem;
  color: color-mix(in oklch, var(--primary-foreground) 50%, transparent);
}