/* =========================================================================
   MAG AMERICA LLC — RESPONSIVE STYLESHEET
   Base styles in style.css are written for desktop; this file scales the
   layout DOWN for smaller viewports (desktop-first override pattern,
   loaded after style.css). Breakpoints:
     1280px  large desktop safety margin
     1024px  small desktop / large tablet
     768px   tablet
     560px   large phone
     380px   small phone
   ========================================================================= */

/* ---------- 1280px ---------- */
@media (max-width: 1280px) {
  :root {
    --container-max: 1080px;
  }
}

/* ---------- 1024px : small desktop / tablet landscape ---------- */
@media (max-width: 1024px) {
  .hero-inner {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }

  .hero-media {
    order: -1;
    max-width: 460px;
    margin: 0 auto;
  }

  .about-grid,
  .chairman-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }

  .cert-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4) var(--space-3);
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .stat-item:nth-child(3) {
    border-left: none;
  }

  .stat-item:nth-child(odd) {
    border-left: none;
  }
}

/* ---------- 768px : tablet ---------- */
@media (max-width: 768px) {
  html {
    font-size: 58%;
  }

  .header-inner {
    height: 72px;
  }

  .main-nav {
    position: fixed;
    inset: 72px 0 0 0;
    background: var(--white);
    flex-direction: column;
    align-items: stretch;
    padding: var(--space-3);
    overflow-y: auto;
    transform: translateX(100%);
    transition: transform 0.3s var(--ease);
    z-index: 400;
  }

  .main-nav.is-open {
    transform: translateX(0);
  }

  .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  .nav-list > li {
    border-bottom: 1px solid var(--line);
  }

  .nav-link {
    padding: 1.6rem 0.4rem;
    justify-content: space-between;
    font-size: 1.7rem;
  }

  .dropdown {
    position: static;
    transform: none;
    box-shadow: none;
    background: var(--paper-100);
    opacity: 1;
    visibility: visible;
    display: none;
    width: 100%;
    padding: 0 0 0.8rem;
  }

  .has-dropdown.is-open .dropdown {
    display: block;
  }

  .dropdown li a {
    color: var(--slate-500);
  }

  .dropdown li a:hover {
    background: transparent;
    color: var(--gold-600);
  }

  .header-cta .btn {
    margin: var(--space-3) 0.4rem 0;
  }

  .nav-toggle {
    display: flex;
  }

  .section {
    padding: var(--space-5) 0;
  }

  .grid-4,
  .grid-3,
  .cert-grid {
    grid-template-columns: 1fr;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .cta-banner {
    flex-direction: column;
    text-align: center;
    padding: var(--space-4);
  }

  .footer-grid {
    grid-template-columns: 1fr;
    text-align: left;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

/* ---------- 560px : large phone ---------- */
@media (max-width: 560px) {
  .hero {
    padding: var(--space-5) 0 var(--space-4);
    text-align: left;
  }

  .hero-actions .btn {
    width: 100%;
    justify-content: center;
  }

  .stats-grid {
    grid-template-columns: 1fr 1fr;
  }

  .stat-item {
    padding: var(--space-3) var(--space-2);
  }

  .cta-banner {
    border-radius: var(--radius-sm);
  }

  .value-item {
    flex-direction: column;
    gap: 0.6rem;
  }

  .chairman-quote::before {
    font-size: 3.2rem;
  }
}

/* ---------- 380px : small phone ---------- */
@media (max-width: 380px) {
  .container {
    padding: 0 var(--space-2);
  }

  .brand-name {
    font-size: 1.5rem;
  }

  .brand-sub {
    display: none;
  }

  .stats-grid {
    grid-template-columns: 1fr;
  }

  .stat-item {
    border-left: none !important;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
  }

  .stat-item:first-child {
    border-top: none;
  }
}

/* ---------- Print ---------- */
@media print {
  .site-header,
  .back-to-top,
  .hero-actions,
  .cta-banner,
  .site-footer {
    display: none;
  }
}