.skip-link {
  position: fixed;
  z-index: 999;
  top: 0.75rem;
  left: 0.75rem;
  padding: 0.7rem 1rem;
  border-radius: 8px;
  background: var(--accent);
  color: var(--navy);
  font-weight: 800;
  transform: translateY(-160%);
}

.skip-link:focus {
  transform: translateY(0);
}

.btn {
  display: inline-flex;
  min-height: 50px;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  padding: 0.75rem 1.35rem;
  border: 1px solid transparent;
  border-radius: 11px;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  transition: transform 0.2s ease, background-color 0.2s ease, border-color 0.2s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: var(--navy);
  color: var(--white);
}

.btn-primary:hover {
  background: var(--accent-strong);
  color: var(--navy);
}

.btn-ghost {
  border-color: var(--line);
  background: var(--surface);
  color: var(--ink);
}

.btn-ghost:hover {
  border-color: var(--accent-strong);
}

:focus-visible {
  outline: 3px solid var(--accent-strong);
  outline-offset: 3px;
}

::selection {
  background: var(--accent);
  color: var(--navy);
}