.mobile-nav {
  position: fixed;
  inset: 0;
  display: none;
  justify-content: center;
  align-items: center;
  background: rgba(2, 8, 23, 0.72);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 30;
  padding: 2rem 1.5rem;
}

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

.mobile-nav__menu {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  width: min(100%, 20rem);
  padding: 1.4rem 1rem 1.1rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 1.5rem;
  background: rgba(12, 16, 21, 0.86);
  box-shadow: 0 20px 55px rgba(0, 0, 0, 0.24);
}

.mobile-nav__link {
  color: var(--heading);
  font-weight: 600;
  font-size: 1.05rem;
  letter-spacing: -0.03em;
}

.mobile-nav__link__line {
  width: 5.5rem;
  height: 1px;
  background: var(--line);
}

.mobile-nav__sun {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.9rem;
  height: 2.9rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.04);
  color: var(--heading);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.mobile-nav__sun svg {
  width: 1.3rem;
  height: 1.3rem;
}

body.light-mode .mobile-nav {
  background: rgba(244, 245, 247, 0.7);
}

body.light-mode .mobile-nav__menu {
  border-color: rgba(15, 23, 42, 0.08);
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 20px 50px rgba(15, 23, 42, 0.08);
}

body.light-mode .mobile-nav__sun {
  border-color: rgba(15, 23, 42, 0.08);
  background: rgba(15, 23, 42, 0.03);
}

@media (min-width: 768px) {
  .mobile-nav {
    display: none !important;
  }
}