.skip-link {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: 10000;
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  background: #fff;
  color: var(--brand-dark);
  font-weight: 700;
  box-shadow: var(--shadow-md);
  transform: translateY(-160%);
  transition: transform 0.2s;
  text-decoration: none;
}

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

.nav-links a[aria-current="page"] {
  background: var(--brand-light);
  color: #111827;
}

:where(a, button, input, select, textarea, summary):focus-visible {
  outline: 3px solid #f59e0b;
  outline-offset: 3px;
}

.mobile-toggle,
.icon-btn,
.social-btn {
  min-width: 44px;
  min-height: 44px;
}

.btn-submit:disabled {
  cursor: wait;
  opacity: 0.72;
  transform: none;
}

.form-help {
  display: block;
  margin-top: 6px;
  color: var(--text-muted);
  font-size: 0.78rem;
  line-height: 1.5;
}

/* Responsive header and footer */
.nav-inner {
  position: relative;
}

.nav-logo {
  flex-shrink: 0;
}

.nav-links a,
.nav-login-link,
.btn-nav-cta {
  min-height: 44px;
}

.nav-links a,
.nav-login-link {
  display: inline-flex;
  align-items: center;
}

@media (max-width: 1240px) {
  .nav-hotline-group {
    display: none;
  }

  .nav-inner {
    gap: 12px;
  }
}

@media (max-width: 1120px) {
  .mobile-toggle {
    order: 3;
    display: grid;
    place-items: center;
    flex: 0 0 44px;
    border-radius: var(--radius-sm);
  }

  .mobile-toggle:hover {
    background: var(--brand-light);
  }

  .nav-right {
    margin-left: auto;
  }

  .nav-links.mobile-open {
    top: 100%;
    max-height: calc(100vh - 70px);
    overflow-y: auto;
  }

  .nav-links.mobile-open a {
    width: 100%;
    padding: 12px 14px;
  }
}

@media (max-width: 767px) {
  .container {
    padding-right: 16px;
    padding-left: 16px;
  }

  .nav-inner {
    height: 62px;
    gap: 6px;
  }

  .nav-logo img {
    height: 30px !important;
    margin-right: 0 !important;
  }

  .nav-login-link span,
  .btn-nav-cta .cta-text {
    display: none;
  }

  .nav-login-link,
  .btn-nav-cta {
    width: 44px;
    padding: 0;
    justify-content: center;
  }

  .nav-links.mobile-open {
    top: 62px;
    padding: 12px 16px 18px;
  }

  footer {
    padding: 44px 0 24px;
  }

  .footer-grid {
    gap: 28px;
    margin-bottom: 32px;
  }

  .footer-brand p {
    max-width: none;
  }

  .footer-col h4 {
    margin-bottom: 14px;
  }

  .footer-col a {
    min-height: 36px;
    margin-bottom: 4px;
    display: flex;
    align-items: center;
  }

  .footer-bottom {
    align-items: flex-start;
    text-align: left;
  }
}

@media (max-width: 420px) {
  .nav-logo {
    max-width: 38px;
    overflow: hidden;
  }

  .nav-right {
    gap: 2px;
  }

  .icon-btn,
  .nav-login-link,
  .btn-nav-cta,
  .mobile-toggle {
    width: 40px;
    min-width: 40px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}