/* ==========================================================================
   RESPONSIVE STYLESHEET - EXPO ENERGY
   ========================================================================== */

@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
    text-align: center;
  }

  .hero-lead {
    margin: 0 auto 35px;
  }

  .hero-btn-group {
    justify-content: center;
  }

  .hero-card-preview {
    max-width: 600px;
    margin: 0 auto;
  }

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

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

  .brochure-banner {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .brochure-actions {
    justify-content: center;
  }

  .calc-container {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .about-page-banner, .contact-page-banner { min-height: 400px; }

  .india-layout { grid-template-columns: 1fr; gap: 28px; }
  .india-image, .india-image img { min-height: 300px; }

  .top-bar {
    display: block;
  }

  .top-bar-inner {
    grid-template-columns: 1fr;
    gap: 7px;
    text-align: center;
  }

  .top-bar-left, .top-bar-right {
    justify-content: center;
  }

  .top-bar-address {
    justify-content: center;
    font-size: 0.72rem;
  }

  .top-bar-center {
    grid-row: 2;
    transform: none;
  }

  .top-bar-right {
    grid-row: 3;
  }

  .top-bar-tagline {
    display: block;
    white-space: normal;
    font-size: 0.76rem;
  }

  .header-inner {
    height: 70px;
  }

  .mobile-toggle-btn {
    display: block;
  }

  .main-nav {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: #ffffff;
    flex-direction: column;
    align-items: stretch;
    padding: 24px;
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
    border-top: 1px solid var(--border-light);
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: all 0.35s ease;
  }

  .main-nav.active {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }

  .nav-links {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
    width: 100%;
  }

  .nav-link {
    width: 100%;
    padding: 10px 0;
    font-size: 1.05rem;
    border-bottom: 1px solid var(--border-light);
  }

  .nav-actions {
    width: 100%;
    margin-top: 16px;
  }

  .nav-actions .btn {
    width: 100%;
  }

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

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 25px;
  }

  .stat-item:nth-child(2)::after {
    display: none;
  }

  .card-grid-3, .card-grid-2, .gallery-grid {
    grid-template-columns: 1fr;
  }

  .contact-layout {
    grid-template-columns: 1fr;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

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

  .footer-bottom-inner {
    flex-direction: column;
    gap: 14px;
    text-align: center;
  }

  .modal-spec-grid {
    grid-template-columns: 1fr;
  }

  .floating-badge {
    position: relative;
    bottom: auto;
    right: auto;
    margin-top: 15px;
  }
}

@media (max-width: 480px) {
  .about-page-banner, .contact-page-banner { min-height: 360px; }

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

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

  .stat-item::after {
    display: none !important;
  }

  .hero-btn-group .btn + .btn,
  .home-actions .btn + .btn {
    margin-left: 0;
  }

  .hero-btn-group .btn {
    width: 100%;
  }

  .form-wrapper, .contact-info-card, .calc-inputs-pane, .calc-results-pane {
    padding: 25px 20px;
  }
}