/* ============================================================
   ADITYA SKILL GATE IT SOLUTION — RESPONSIVE CSS
   ============================================================ */

/* ========== LARGE DESKTOP (1400px+) ========== */
@media (min-width: 1400px) {
  :root { --container-max: 1320px; }
}

/* ========== DESKTOP (1200px - 1399px) ========== */
@media (max-width: 1199px) {
  :root { --container-max: 1100px; }
  .stats-grid { grid-template-columns: repeat(3, 1fr); }
  .team-grid { grid-template-columns: repeat(3, 1fr); }
}

/* ========== TABLET LARGE (992px - 1199px) ========== */
@media (max-width: 991px) {
  .hero-grid { grid-template-columns: 1fr; text-align: center; }
  .hero-visual { display: none; }
  .hero-buttons { justify-content: center; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .courses-grid { grid-template-columns: repeat(2, 1fr); }
  .projects-grid { grid-template-columns: repeat(2, 1fr); }
  .jobs-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
  .contact-grid { grid-template-columns: 1fr; }
  .team-grid { grid-template-columns: repeat(2, 1fr); }
  .testimonial-card { min-width: calc(50% - 12px); }
  .stats-grid { grid-template-columns: repeat(3, 1fr); }
}

/* ========== TABLET (768px - 991px) ========== */
@media (max-width: 768px) {
  :root { --section-padding: 60px 0; }


  .navbar-nav { display: none; }
  .hamburger { display: flex; }

  .mobile-menu {
    display: block !important;
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: var(--navy-dark);
    z-index: calc(var(--z-sticky) - 1);
    padding: 100px 24px 40px;
    transform: translateX(-100%);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    overflow-y: auto;
  }

  .mobile-menu.open { transform: translateX(0); }

  .mobile-nav { display: flex; flex-direction: column; gap: 4px; }

  .mobile-nav-link {
    color: rgba(255,255,255,0.85);
    font-size: 1.1rem;
    font-weight: 500;
    padding: 16px 20px;
    border-radius: 12px;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: space-between;
  }

  .mobile-nav-link:hover, .mobile-nav-link.active {
    background: rgba(255,255,255,0.1);
    color: white;
  }

  .mobile-nav-submenu {
    padding-left: 20px;
    display: none;
  }

  .mobile-nav-submenu.open { display: block; }

  .mobile-nav-submenu a {
    display: block;
    color: rgba(255,255,255,0.7);
    font-size: 0.95rem;
    padding: 10px 20px;
    border-radius: 8px;
    transition: var(--transition);
  }

  .mobile-nav-submenu a:hover { color: white; background: rgba(255,255,255,0.08); }

  .mobile-menu-footer {
    margin-top: 30px;
    padding-top: 30px;
    border-top: 1px solid rgba(255,255,255,0.1);
    display: flex;
    flex-direction: column;
    gap: 12px;
  }

  /* Sections */
  .services-grid { grid-template-columns: 1fr; }
  .courses-grid { grid-template-columns: 1fr; }
  .projects-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .team-grid { grid-template-columns: repeat(2, 1fr); }
  .testimonial-card { min-width: 100%; }
  .placement-card { min-width: calc(100% - 0px); }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .form-row { grid-template-columns: 1fr; }

  .section-title { font-size: 2rem; }
  .section-subtitle { margin-bottom: 40px; }

  .hero-title { font-size: 2.2rem; }
  .hero-buttons { flex-direction: column; align-items: center; }
  .btn { width: 100%; justify-content: center; max-width: 300px; }

  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }

  .whatsapp-float { bottom: 16px; right: 16px; }
  .chatbot-widget { bottom: 16px; left: 16px; }
  .chatbot-window { width: 280px; }

  #back-to-top { bottom: 80px; }

  .contact-form-wrap { padding: 24px; }
  .contact-info-card { padding: 28px; }
  .modal-body { padding: 20px; }
  .modal-header { padding: 20px; }
}

/* ========== MOBILE (576px) ========== */
@media (max-width: 576px) {
  :root { --section-padding: 50px 0; }
  .section-title { font-size: 2rem; margin-bottom: 12px; }
  .container { padding: 0 16px; }

  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .stat-card { padding: 20px 15px; }
  .stat-number { font-size: 2rem; }

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

  .hero { min-height: 100svh; }
  .hero-content { padding: 110px 0 60px; }
  .hero-title { font-size: 1.9rem; }

  .modal { border-radius: 16px; }
  .modal-header { padding: 16px 20px; }
  .modal-body { padding: 16px 20px; }

  .upload-zone { padding: 30px 20px; }

  .filter-chips { gap: 8px; }
  .chip { padding: 6px 14px; font-size: 0.8rem; }

  .navbar { padding: 12px 0; }
  .navbar-logo img { height: 36px; }
  .navbar-logo-text { font-size: 0.9rem; }

  .page-hero { padding: 110px 0 50px; }
  .breadcrumb { padding: 90px 0 40px; }
}

/* ========== SMALL MOBILE (< 375px) ========== */
@media (max-width: 374px) {
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .hero-title { font-size: 1.7rem; }
  .chatbot-window { width: 260px; }
}

/* ========== PRINT ========== */
@media print {
  .navbar, .footer, .whatsapp-float, .chatbot-widget, #back-to-top { display: none; }
  body { font-size: 12px; }
  .section { padding: 20px 0; }
}

/* ========== HIGH DPI ========== */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
  .navbar-logo img { image-rendering: -webkit-optimize-contrast; }
}