.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  background: var(--highlight);
  border: 3px solid var(--line);
  border-radius: var(--radius-sm);
  font-family: var(--font-display);
  font-size: 1.35rem;
  padding: 0.35rem 0.6rem;
  color: var(--ink);
  cursor: pointer;
  box-shadow: var(--shadow-offset) var(--shadow-offset) 0 var(--line);
  transition: transform var(--transition-speed) ease, box-shadow var(--transition-speed) ease;
}

.nav-toggle:hover,
.nav-toggle:focus {
  transform: translate(-3px, -3px);
  box-shadow: calc(var(--shadow-offset) + 3px) calc(var(--shadow-offset) + 3px) 0 var(--line);
}

@media (max-width: 900px) {
  .nav-toggle {
    display: inline-flex;
  }

  .nav-links {
    position: absolute;
    top: calc(100% + 12px);
    right: 0;
    background: var(--card);
    border: 3px solid var(--line);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-offset) var(--shadow-offset) 0 rgba(17, 17, 17, 0.35);
    padding: 1rem 1.2rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    transform: translateY(-12px);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-speed) ease, transform var(--transition-speed) ease;
    min-width: 240px;
    z-index: 999;
  }

  .nav-links a {
    width: 100%;
    padding: 0.65rem 0.85rem;
    border: 2px solid transparent;
    border-radius: var(--radius-sm);
  }

  .nav-links a:hover,
  .nav-links a:focus {
    border-color: var(--line);
    background: var(--highlight);
    box-shadow: 3px 3px 0 var(--line);
  }

  .nav-links--open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .nav-cta {
    width: 100%;
    justify-content: center;
  }
}

.toast {
  position: fixed;
  right: 2rem;
  bottom: 2rem;
  background: var(--ink);
  color: var(--highlight);
  padding: 1rem 1.4rem;
  border-radius: var(--radius-sm);
  border: 3px solid var(--line);
  box-shadow: var(--shadow-offset) var(--shadow-offset) 0 var(--line);
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transform: translateY(16px);
  opacity: 0;
  transition: opacity 0.3s ease, transform 0.3s ease;
  z-index: 1200;
}

.toast--visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 520px) {
  .nav-links {
    right: 0;
    left: 0;
    margin: 0 1rem;
  }

  .toast {
    left: 1rem;
    right: 1rem;
  }
}