.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  height: var(--header-h);
  display: flex;
  align-items: center;
  background: color-mix(in srgb, var(--color-night) 92%, transparent);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid color-mix(in srgb, var(--color-accent) 18%, transparent);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  width: min(100% - 1.5rem, var(--wrap));
}

.logo {
  font-family: var(--font-display);
  font-size: 1.15rem;
  color: var(--color-white);
  text-decoration: none;
  letter-spacing: 0.04em;
}

.nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav a {
  text-decoration: none;
  color: color-mix(in srgb, var(--color-white) 82%, transparent);
  font-size: 0.84rem;
}

.nav a:hover {
  color: var(--color-accent);
}

.header-cta {
  min-height: 2.5rem;
  padding: 0.5rem 1.1rem;
  font-size: 0.7rem;
}

.nav-toggle {
  display: none;
  width: 2.5rem;
  height: 2.5rem;
  border: 1px solid color-mix(in srgb, var(--color-accent) 35%, transparent);
  background: transparent;
  color: var(--color-white);
}

.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  display: block;
  width: 1.05rem;
  height: 1.5px;
  background: currentColor;
  position: relative;
  margin: 0 auto;
}

.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  position: absolute;
  left: 0;
}

.nav-toggle span::before {
  top: -6px;
}

.nav-toggle span::after {
  top: 6px;
}

.mobile-bar {
  display: none;
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 35;
  padding: 0.75rem 1rem calc(0.75rem + env(safe-area-inset-bottom));
  background: color-mix(in srgb, var(--color-night) 94%, transparent);
  backdrop-filter: blur(12px);
  border-top: 1px solid color-mix(in srgb, var(--color-accent) 22%, transparent);
}

.mobile-bar.is-visible {
  display: block;
}

.mobile-bar .cta {
  width: 100%;
}

.site-footer {
  background: var(--color-night);
  color: color-mix(in srgb, var(--color-white) 78%, transparent);
  padding: 3.5rem 0 2.5rem;
}

.footer-grid {
  display: grid;
  gap: 2rem;
  grid-template-columns: 1.4fr 1fr;
  align-items: start;
}

.site-footer h2 {
  color: var(--color-white);
  font-size: 1.5rem;
  margin-bottom: 0.4rem;
}

.site-footer .sub {
  font-family: var(--font-subtitle);
  font-size: 0.92rem;
  max-width: 22rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  justify-content: flex-end;
}

.footer-links a {
  text-decoration: none;
  font-size: 0.85rem;
  color: color-mix(in srgb, var(--color-white) 80%, transparent);
}

.footer-links a:hover {
  color: var(--color-accent);
}

.copyright {
  margin-top: 2.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid color-mix(in srgb, var(--color-white) 10%, transparent);
  font-size: 0.8rem;
  letter-spacing: 0.04em;
}

@media (max-width: 900px) {
  .nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .nav {
    position: absolute;
    top: var(--header-h);
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--color-night);
    padding: 0.5rem 1.25rem 1.25rem;
    border-bottom: 1px solid color-mix(in srgb, var(--color-accent) 18%, transparent);
  }

  .nav.is-open {
    display: flex;
  }

  .nav a {
    padding: 0.85rem 0;
    border-bottom: 1px solid color-mix(in srgb, var(--color-white) 8%, transparent);
  }

  .header-cta {
    display: none;
  }

  .header-cta--mobile {
    display: inline-flex;
    margin-top: 0.75rem;
    width: 100%;
  }

  .footer-grid,
  .footer-links {
    grid-template-columns: 1fr;
    justify-content: flex-start;
  }
}

@media (min-width: 901px) {
  .mobile-bar,
  .mobile-bar.is-visible {
    display: none !important;
  }

  .header-cta--mobile {
    display: none;
  }
}

@media (max-width: 900px) {
  body.has-mobile-bar {
    padding-bottom: 4.75rem;
  }
}