/* ============================================
   NexSphere Infotech - Responsive Stylesheet
   ============================================ */

/* --- Tablet (max-width: 1024px) --- */
@media (max-width: 1024px) {
  .hero .container {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-content {
    max-width: 100%;
  }

  .hero-buttons {
    justify-content: center;
  }

  .hero-visual {
    display: none;
  }

  .about-preview {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

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

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }

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

  .portfolio-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  }
}

/* --- Mobile (max-width: 768px) --- */
@media (max-width: 768px) {
  .container {
    padding: 0 1.25rem;
  }

  .section {
    padding: 4rem 0;
  }

  /* Navigation */
  .menu-toggle {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 350px;
    height: 100vh;
    background: var(--bg-secondary);
    flex-direction: column;
    align-items: flex-start;
    padding: 5rem 2rem 2rem;
    gap: 0;
    transition: var(--transition);
    border-left: 1px solid var(--border);
    overflow-y: auto;
  }

  .nav-menu.active {
    right: 0;
  }

  .nav-menu > li {
    width: 100%;
  }

  .nav-menu > li > a {
    padding: 1rem 0;
    border-bottom: 1px solid var(--border);
    width: 100%;
  }

  .dropdown-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    background: transparent;
    border: none;
    box-shadow: none;
    padding: 0 0 0 1rem;
    display: none;
  }

  .dropdown.open .dropdown-menu {
    display: block;
  }

  .header-cta .btn {
    display: none;
  }

  /* Hero */
  .hero {
    min-height: auto;
    padding: 8rem 0 4rem;
  }

  .hero h1 {
    font-size: 2.25rem;
  }

  .hero p {
    font-size: 1rem;
  }

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

  /* Stats */
  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
  }

  .stat-item h3 {
    font-size: 2rem;
  }

  /* Services */
  .services-grid {
    grid-template-columns: 1fr;
  }

  /* About */
  .about-features {
    grid-template-columns: 1fr;
  }

  /* Portfolio */
  .portfolio-grid {
    grid-template-columns: 1fr;
  }

  .portfolio-filters {
    gap: 0.4rem;
  }

  .filter-btn {
    padding: 0.5rem 1rem;
    font-size: 0.8rem;
  }

  /* Contact */
  .form-grid {
    grid-template-columns: 1fr;
  }

  /* Footer */
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

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

  /* Job Card */
  .job-card {
    flex-direction: column;
    align-items: flex-start;
  }

  /* CTA */
  .cta-box {
    padding: 2.5rem 1.5rem;
  }

  /* Breadcrumb */
  .breadcrumb {
    padding: 7rem 0 2rem;
  }

  /* Testimonials */
  .testimonials-grid {
    grid-template-columns: 1fr;
  }

  /* Process */
  .process-grid {
    grid-template-columns: 1fr;
  }
}

/* --- Small Mobile (max-width: 480px) --- */
@media (max-width: 480px) {
  html {
    font-size: 14px;
  }

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

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

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

  .whatsapp-float {
    bottom: 1rem;
    right: 1rem;
    width: 48px;
    height: 48px;
  }

  .scroll-top {
    bottom: 1rem;
    left: 1rem;
  }
}

/* --- Large Desktop (min-width: 1440px) --- */
@media (min-width: 1440px) {
  .container {
    max-width: 1400px;
  }
}

/* --- Print Styles --- */
@media print {
  .header, .footer, .whatsapp-float, .scroll-top, .cta-section {
    display: none;
  }

  body {
    background: #fff;
    color: #000;
  }

  .section {
    padding: 2rem 0;
  }
}