/* ============================================
   INVENTE — Responsive Stylesheet v2
   Breakpoints: 1024px, 768px, 480px
   ============================================ */

/* ---------- Max 1024px (Tablet Landscape) ---------- */
@media (max-width: 1024px) {
  .hero-content h1 { font-size: 2.6rem; }

  .about-layout { gap: 40px; }

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

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

  .leadership-grid .leader-card:last-child {
    grid-column: 1 / -1;
    max-width: 400px;
    margin: 0 auto;
  }

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

  .product-detail {
    grid-template-columns: 1fr;
  }

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

  .bci-grid .bci-card:last-child,
  .tactical-grid .tactical-card:last-child {
    grid-column: 1 / -1;
    max-width: 500px;
    margin: 0 auto;
  }

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

  /* Blog Post */
  .blog-post-title { font-size: 1.5rem; }
  .blog-post-hero-image { max-height: 360px; }

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

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

  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }

  .footer-brand {
    grid-column: 1 / -1;
  }

  .hero-radar { display: none; }
  .hero-hud { display: none; }

  /* Products v2 — 1024 */
  .products-hero-content h1 { font-size: 2.6rem; }

  .featured-product {
    padding: 24px;
    gap: 32px;
  }

  .featured-product-image { height: 340px; }

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

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

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

  .config-grid .config-card:last-child {
    grid-column: 1 / -1;
    max-width: 400px;
    margin: 0 auto;
  }

  .cert-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
  }

  /* Product variant cards */
  .variant-cards-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .variant-cards-grid .variant-card:last-child {
    grid-column: 1 / -1;
    max-width: 500px;
    margin: 0 auto;
  }
}

/* ---------- Max 768px (Tablet Portrait) ---------- */
@media (max-width: 768px) {
  :root {
    --nav-height: 60px;
  }

  .hero {
    background-position: 80% center !important;
    background-size: cover !important;
  }

  .quote-modal {
    padding: 32px 24px;
  }

  .quote-form-row {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .quote-modal-header h2 {
    font-size: 1.3rem;
  }

  .quote-form-actions {
    flex-direction: column;
  }

  .section-padding {
    padding: 70px 0;
  }

  /* Navigation — hide links, show hamburger */
  .nav-links {
    display: none;
  }

  .hamburger {
    display: flex;
    z-index: 1200;
  }

  /* Hero */
  .hero { min-height: 90vh; }

  .hero-content h1 {
    font-size: 2rem;
  }

  .hero-content p { font-size: 1rem; }
  .hero-bracket-tl, .hero-bracket-br { display: none; }

  /* About */
  .about-layout {
    flex-direction: column;
    gap: 32px;
  }

  .about-intro .about-layout {
    grid-template-columns: 1fr;
    gap: 32px;
  }

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

  .about-label-col { flex: none; width: 100%; }

  .stats-row {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }

  /* Ecosystem */
  .eco-grid {
    grid-template-columns: 1fr;
    max-width: 500px;
  }

  /* Quote */
  .quote-content blockquote { font-size: 1.05rem; }
  .quote-mark-bg { font-size: 5rem; }

  /* Contact */
  .contact-layout {
    flex-direction: column;
    gap: 40px;
  }

  .contact-info-col { flex: none; width: 100%; }
  .form-row { grid-template-columns: 1fr; }

  /* Page Header */
  .page-header { padding: 120px 0 50px; }
  .page-header h1 { font-size: 1.8rem; letter-spacing: 4px; }

  /* Leadership */
  .leadership-grid {
    grid-template-columns: 1fr;
    max-width: 400px;
    margin: 0 auto;
  }

  .leadership-grid .leader-card:last-child {
    grid-column: auto;
    max-width: none;
  }

  /* Projects */
  .project-card {
    grid-template-columns: 1fr;
    gap: 30px;
    padding: 40px 0;
  }

  .project-card.reverse .project-image,
  .project-card.reverse .project-text { order: unset; }

  .project-image { height: 200px; }

  /* Products (legacy) */
  .features-grid { grid-template-columns: 1fr; }
  .product-tabs { flex-wrap: wrap; }

  .bci-grid,
  .tactical-grid {
    grid-template-columns: 1fr;
    max-width: 500px;
  }

  .bci-grid .bci-card:last-child,
  .tactical-grid .tactical-card:last-child {
    grid-column: auto;
    max-width: none;
  }

  /* Product variant cards — tablet */
  .variant-cards-grid {
    grid-template-columns: 1fr;
    max-width: 500px;
  }

  .variant-cards-grid .variant-card:last-child {
    grid-column: auto;
    max-width: none;
  }

  .common-features-table-wrapper {
    margin-left: -16px;
    margin-right: -16px;
    padding: 0 16px;
  }

  /* Products v2 */
  .products-hero {
    min-height: auto;
    padding-top: calc(var(--nav-height) + 30px);
    padding-bottom: 50px;
  }

  .products-hero-content h1 {
    font-size: 2rem;
  }

  .products-hero-content p { font-size: 1rem; }
  .products-hero-hud { display: none; }

  .filter-tabs {
    gap: 8px;
  }

  .filter-tab {
    padding: 8px 16px;
    font-size: 0.55rem;
  }

  .featured-product {
    grid-template-columns: 1fr;
    gap: 24px;
    padding: 20px;
  }

  .featured-product-image { height: 280px; }

  .featured-specs-grid {
    gap: 16px;
  }

  .featured-actions {
    flex-direction: column;
  }

  .featured-actions .btn-icon {
    width: 100%;
    height: auto;
    padding: 12px;
  }

  .products-grid {
    grid-template-columns: 1fr;
    max-width: 500px;
  }

  .comparison-table th,
  .comparison-table td {
    padding: 10px 12px;
    font-size: 0.8rem;
  }

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

  .chart-panel > div {
    height: 260px;
  }

  .config-grid {
    grid-template-columns: 1fr;
    max-width: 400px;
    margin: 0 auto;
  }

  .config-grid .config-card:last-child {
    grid-column: auto;
    max-width: none;
  }

  .cert-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
  }

  .cert-icon {
    width: 80px;
    height: 80px;
  }

  .cert-icon i { font-size: 1.5rem; }

  .cta-block h2 { font-size: 1.8rem; }

  .cta-buttons {
    flex-direction: column;
    align-items: center;
  }

  /* Blog */
  .blog-grid {
    grid-template-columns: 1fr;
    max-width: 500px;
  }

  /* Blog Post */
  .blog-post-title { font-size: 1.3rem; letter-spacing: 1px; }
  .blog-post-hero-image { max-height: 280px; }
  .blog-post-hero-icon { height: 180px; }

  /* Dashboard */
  .dashboard-header { flex-direction: column; align-items: flex-start; gap: 12px; }
  .dashboard-status { text-align: left; }

  /* Footer */
  .footer-top {
    grid-template-columns: 1fr;
    gap: 32px;
    text-align: center;
  }

  .footer-brand { grid-column: auto; }
  .footer-brand p { max-width: none; }
  .footer-brand .nav-logo { justify-content: center; }
  .social-icons { justify-content: center; }

  /* Accessibility Widget — Tablet */
  .a11y-panel {
    width: 280px;
  }
}

/* ---------- Max 480px (Mobile) ---------- */
@media (max-width: 480px) {
  html { font-size: 15px; }

  .container { width: 92%; }
  .section-padding { padding: 50px 0; }

  .hero {
    background-position: 85% center !important;
  }

  .hero-content h1 { font-size: 1.7rem; }
  .hero-content p { font-size: 0.95rem; }

  .btn-primary { padding: 12px 24px; }
  .btn-secondary { padding: 10px 16px; }

  .eco-card { padding: 24px; }

  .contact-form { padding: 20px; }

  .quote-content { padding: 0 10px; }
  .quote-mark-bg { font-size: 4rem; }

  .page-header { padding: 100px 0 40px; }
  .page-header h1 { font-size: 1.4rem; letter-spacing: 3px; }

  .leader-card { padding: 28px 20px; }
  .leader-avatar { width: 100px; height: 100px; }

  .stats-row { grid-template-columns: 1fr 1fr; gap: 16px; }
  .stat-item .stat-value { font-size: 1.5rem; }

  .spec-row { flex-direction: column; gap: 4px; }

  .footer { padding: 40px 0 0; }

  /* Products v2 — Mobile */
  .products-hero-content h1 { font-size: 1.6rem; }

  .filter-tabs-section { padding: 12px 0; }

  .filter-tab {
    padding: 6px 12px;
    font-size: 0.5rem;
    letter-spacing: 1px;
  }

  .featured-product { padding: 16px; }
  .featured-product-image { height: 220px; }

  .featured-product-info h3 { font-size: 1.2rem; }
  .featured-spec-value { font-size: 1.1rem; }

  .prod-card-image { height: 180px; }

  .comparison-table th,
  .comparison-table td {
    padding: 8px 10px;
    font-size: 0.75rem;
    white-space: nowrap;
  }

  .chart-panel > div { height: 220px; }
  .chart-panel { padding: 16px; }

  .config-card { padding: 28px 20px; }

  .cert-grid { gap: 24px; }
  .cert-icon { width: 72px; height: 72px; }
  .cert-icon i { font-size: 1.3rem; }
  .cert-item span { font-size: 0.55rem; }

  .cta-block h2 { font-size: 1.5rem; }

  /* Blog Post */
  .blog-post-title { font-size: 1.1rem; letter-spacing: 0.5px; }
  .blog-post-hero-image { max-height: 200px; }
  .blog-post-hero-icon { height: 140px; }
  .blog-post-meta { gap: 10px; }

  /* Accessibility Widget — Mobile */
  .a11y-toggle {
    width: 42px;
    height: 42px;
    bottom: 16px;
    right: 16px;
    font-size: 1rem;
  }

  .a11y-panel {
    bottom: 66px;
    right: 16px;
    left: 16px;
    width: auto;
    max-height: calc(100vh - 90px);
    overflow-y: auto;
    padding: 16px 20px;
  }

  .a11y-panel-header {
    margin-bottom: 12px;
    padding-bottom: 8px;
  }

  .a11y-option {
    padding: 7px 0;
  }

  .a11y-reset {
    margin-top: 12px;
  }
}