/* ==========================================================================
   RESPONSIVE.CSS — Mobile-first breakpoint overrides
   ========================================================================== */

/* ---------- Large desktop already default. Tablet: <= 1080px ---------- */
@media (max-width: 1080px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-illustration-wrap { order: -1; max-width: 420px; margin: 0 auto var(--space-lg); }
  .info-grid { grid-template-columns: repeat(2, 1fr); }
  .feature-grid { grid-template-columns: repeat(3, 1fr); }
  .guide-grid { grid-template-columns: repeat(2, 1fr); }
  .notice-grid { grid-template-columns: repeat(2, 1fr); }
  .testimonial-grid { grid-template-columns: repeat(2, 1fr); }
  .maintenance-grid { grid-template-columns: repeat(3, 1fr); }
  .mileage-grid { grid-template-columns: repeat(2, 1fr); }
  .tax-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: var(--space-lg) var(--space-md); }
  .contact-grid { grid-template-columns: 1fr; }
  .legal-body { grid-template-columns: 1fr; }
  .legal-sidebar { position: relative; top: 0; }
}

/* ---------- Nav collapses: <= 900px ---------- */
@media (max-width: 900px) {
  .main-nav {
    position: fixed; top: var(--header-height-scrolled); left: 0; right: 0; bottom: 0;
    background: var(--color-white); flex-direction: column; align-items: stretch;
    padding: var(--space-lg); transform: translateX(100%); transition: transform var(--transition-base);
    overflow-y: auto; gap: var(--space-lg);
  }
  .main-nav.open { transform: translateX(0); }
  .nav-list { flex-direction: column; align-items: stretch; gap: 4px; }
  .nav-list a { padding: 14px 16px; font-size: var(--fs-md); }
  .header-actions .btn-primary { display: none; }
  .main-nav .btn-primary.mobile-cta { display: flex; margin-top: var(--space-md); }
  .menu-toggle { display: flex; }
  .hero h1 { font-size: var(--fs-3xl); }
}

@media (min-width: 901px) {
  .main-nav .btn-primary.mobile-cta { display: none; }
}

/* ---------- Small tablet / large phone: <= 720px ---------- */
@media (max-width: 720px) {
  :root { --space-3xl: 4rem; --space-2xl: 3rem; }
  .hero { padding-top: calc(var(--header-height) + 30px); }
  .hero h1 { font-size: var(--fs-2xl); }
  .hero p.lead { font-size: var(--fs-base); }
  .hero-stats { gap: var(--space-md); }
  .section-title { font-size: var(--fs-xl); }
  .info-grid { grid-template-columns: 1fr; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .guide-grid { grid-template-columns: 1fr; }
  .notice-grid { grid-template-columns: 1fr; }
  .testimonial-grid { grid-template-columns: 1fr; }
  .maintenance-grid { grid-template-columns: repeat(2, 1fr); }
  .mileage-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .status-card { grid-template-columns: 1fr; text-align: center; }
  .status-meta { justify-content: center; }
  .status-meta div { text-align: center; }
  .form-row { grid-template-columns: 1fr; }
  .recent-popular { grid-template-columns: 1fr; }
  .newsletter-band { flex-direction: column; text-align: center; }
  .newsletter-form { max-width: 100%; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .checklist-items { grid-template-columns: 1fr; }
  .search-panel, .checklist-panel { padding: var(--space-lg); }
}

/* ---------- Phone: <= 480px ---------- */
@media (max-width: 480px) {
  .container { padding: 0 var(--space-sm); }
  .hero h1 { font-size: var(--fs-xl); }
  .hero-cta-row { flex-direction: column; }
  .hero-cta-row .btn { width: 100%; }
  .feature-grid { grid-template-columns: 1fr; }
  .maintenance-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: var(--space-lg); }
  .hero-stat { min-width: 45%; }
  .plate-badge { font-size: var(--fs-base); padding: 6px 10px; }
  #regInput { font-size: var(--fs-base); letter-spacing: 1px; }
  .status-card { padding: var(--space-lg); }
  .back-to-top { display: none; }
  .hero-illustration-wrap { display: none; }
  .menu-toggle { display: flex; }
}