/* ==========================================================================
   NeedTech IT — Production-Grade Responsive Design Stylesheet
   Breakpoints: 1200px, 1080px, 1024px, 768px, 640px, 480px, 360px, 320px
   Features:
   - Zero horizontal overflow & layout blowouts
   - iOS Safari auto-zoom prevention (16px form controls)
   - Apple / Android Safe-Area Inset Support
   - Minimum 44px touch targets for mobile accessibility
   - App-like horizontal swipe pill filter for Course Catalog
   - Full template responsiveness (Home, Courses, Single, About, Contact, Blog, Cert, Login, Dashboard)
   ========================================================================== */

/* --------------------------------------------------------------------------
   0. Universal Viewport & Sticky Header Protection
   -------------------------------------------------------------------------- */
html {
  box-sizing: border-box;
  -webkit-text-size-adjust: 100%;
}

html, body {
  overflow-x: visible !important;
}

*, *::before, *::after {
  box-sizing: inherit;
}

body {
  position: relative;
  width: 100%;
  min-height: 100vh;
  margin: 0;
}

/* Sticky Navigation Header Guarantee */
.main-header {
  position: -webkit-sticky !important;
  position: sticky !important;
  top: 0 !important;
  z-index: 9999 !important;
}

/* WordPress Admin Bar Compatibility */
.admin-bar .main-header {
  top: 32px !important;
}
@media screen and (max-width: 782px) {
  .admin-bar .main-header {
    top: 46px !important;
  }
}

/* Scoped Content Overflow Protection (Keeps sticky header working 100%) */
.site-main,
.page-layout,
.default-page-layout,
.home-hero-section,
.about-page-layout,
.contact-page-wrap,
.marketplace-layout {
  overflow-x: clip;
}

img, svg, video, canvas, audio, iframe, embed, object {
  max-width: 100%;
  height: auto;
}

iframe {
  border: 0;
}

/* --------------------------------------------------------------------------
   1. Mobile Navigation Drawer
   -------------------------------------------------------------------------- */
.mobile-nav-drawer {
  position: fixed;
  top: 0;
  right: -340px;
  width: clamp(280px, 84vw, 320px);
  height: 100vh;
  background: var(--nt-surface, #ffffff);
  border-left: 1px solid var(--nt-border, #e2e8f0);
  box-shadow: var(--shadow-xl, 0 20px 25px -5px rgba(0, 0, 0, 0.1));
  z-index: 2100;
  padding: 24px;
  padding-bottom: calc(24px + env(safe-area-inset-bottom, 0px));
  display: flex;
  flex-direction: column;
  transition: right var(--transition-normal, 0.3s ease);
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

.mobile-nav-drawer.open {
  right: 0;
}

.drawer-backdrop {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(4px);
  z-index: 2050;
}

.drawer-backdrop.open {
  display: block;
}

.drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--nt-border-light, #f1f5f9);
  margin-bottom: 24px;
}

.drawer-close-btn {
  background: var(--nt-surface-muted, #f8fafc);
  border: 1px solid var(--nt-border, #e2e8f0);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
  color: var(--nt-text-heading, #0f172a);
  cursor: pointer;
  touch-action: manipulation;
}

.drawer-menu {
  list-style: none;
  padding: 0;
  margin: 0 0 32px 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.drawer-link {
  font-family: var(--font-heading, 'Plus Jakarta Sans', sans-serif);
  font-size: 1.08rem;
  font-weight: 600;
  color: var(--nt-text-heading, #0f172a);
  display: block;
  padding: 8px 0;
  text-decoration: none;
  transition: color 0.2s ease;
}

.drawer-link:hover,
.drawer-link.active,
.drawer-menu .current-menu-item > a,
.drawer-menu .current_page_item > a {
  color: var(--nt-primary, #0b5fff);
  font-weight: 700;
}

.drawer-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: auto;
  padding-top: 16px;
}

/* --------------------------------------------------------------------------
   2. Medium Laptops & Desktops (1081px - 1260px)
   -------------------------------------------------------------------------- */
@media (min-width: 1081px) and (max-width: 1260px) {
  .nav-menu {
    gap: 14px !important;
  }
  .nav-menu li a, .nav-link {
    font-size: 0.88rem !important;
    padding: 6px 0 !important;
  }
  .nav-actions .nav-login-link {
    display: none !important;
  }
  .nav-actions .nt-btn {
    padding: 8px 14px !important;
    font-size: 0.84rem !important;
  }
  .brand-logo-text {
    font-size: 1.32rem !important;
  }
}

/* --------------------------------------------------------------------------
   3. Laptops, Tablets & Below (<= 1080px)
   -------------------------------------------------------------------------- */
@media (max-width: 1080px) {
  .nav-menu, 
  .nav-actions .nav-login-link, 
  .nav-actions .nt-btn {
    display: none !important;
  }

  .nav-hamburger {
    display: flex !important;
    align-items: center;
    justify-content: center;
  }

  .nav-actions {
    gap: 12px !important;
  }

  .catalog-courses-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 24px !important;
  }
}

/* --------------------------------------------------------------------------
   4. Large Tablets & Small Laptops (< 1024px)
   -------------------------------------------------------------------------- */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
    text-align: center;
  }

  .hero-content {
    align-items: center;
  }

  .hero-subtitle {
    margin: 0 auto 24px auto;
  }

  .hero-highlights {
    align-items: flex-start;
    max-width: 500px;
    margin: 0 auto;
  }

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

  .hero-trust-bar {
    justify-content: center;
  }

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

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

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

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

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

  .career-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .single-course-grid {
    grid-template-columns: 1fr;
  }

  .sticky-enrollment-card {
    position: static;
    margin-top: 32px;
  }

  .marketplace-grid-wrap {
    grid-template-columns: 1fr;
  }

  .marketplace-sidebar {
    position: static;
    margin-bottom: 24px;
  }

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

  .dashboard-sidebar {
    display: none;
  }

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

  .player-body {
    grid-template-columns: 1fr;
  }

  .player-curriculum-sidebar {
    height: 400px;
  }

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

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

/* --------------------------------------------------------------------------
   5. Tablets & Mobile (< 768px)
   -------------------------------------------------------------------------- */
@media (max-width: 768px) {
  /* Prevent iOS Safari automatic form zoom */
  input[type="text"],
  input[type="email"],
  input[type="password"],
  input[type="tel"],
  input[type="number"],
  input[type="search"],
  input[type="url"],
  select,
  textarea {
    font-size: 16px !important;
  }

  /* Accessibility minimum touch target */
  .nt-btn {
    min-height: 44px;
  }

  /* Top Urgency Header Bar */
  .top-bar-inner {
    justify-content: center !important;
    text-align: center !important;
    padding: 6px 12px !important;
  }

  .top-bar-right {
    display: none !important;
  }

  .top-bar-left {
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    flex-wrap: wrap !important;
    gap: 6px !important;
    font-size: 0.8rem !important;
    line-height: 1.4 !important;
  }

  /* Navigation Bar */
  .nav-wrap {
    height: 68px !important;
  }

  .nav-menu, .nav-actions .nav-login-link, .nav-actions .nt-btn {
    display: none !important;
  }

  .nav-hamburger {
    display: flex !important;
    align-items: center;
    justify-content: center;
  }

  .brand-logo img,
  .brand-logo-wrap img,
  .custom-logo-link img,
  img.custom-logo {
    height: 36px !important;
    max-height: 36px !important;
    width: auto !important;
  }

  .brand-logo-text {
    font-size: 1.25rem !important;
  }

  /* Grids & Cards */
  .stats-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 16px !important;
  }

  .categories-grid {
    grid-template-columns: 1fr !important;
  }

  .benefits-grid {
    grid-template-columns: 1fr !important;
  }

  .journey-steps-wrap {
    grid-template-columns: 1fr !important;
  }

  .projects-grid {
    grid-template-columns: 1fr !important;
  }

  .audience-grid {
    grid-template-columns: 1fr !important;
  }

  .testimonials-grid {
    grid-template-columns: 1fr !important;
  }

  /* Catalog Course Cards on Mobile */
  .catalog-courses-grid {
    grid-template-columns: 1fr !important;
    gap: 20px !important;
  }

  .catalog-courses-grid .course-card,
  .catalog-courses-grid .course-slide-card {
    min-width: 0 !important;
    width: 100% !important;
    max-width: 100% !important;
    flex: 1 1 100% !important;
  }

  /* Courses Filter Tabs - Horizontal Touch Pill Bar */
  .courses-filter-tabs {
    display: flex !important;
    flex-wrap: nowrap !important;
    overflow-x: auto !important;
    -webkit-overflow-scrolling: touch !important;
    justify-content: flex-start !important;
    padding: 6px 4px 14px 4px !important;
    gap: 8px !important;
    scrollbar-width: none !important;
    margin-top: 18px !important;
    margin-left: -8px;
    margin-right: -8px;
    padding-left: 12px !important;
    padding-right: 12px !important;
  }

  .courses-filter-tabs::-webkit-scrollbar {
    display: none !important;
  }

  .courses-filter-tabs .course-cat-btn {
    white-space: nowrap !important;
    flex-shrink: 0 !important;
    padding: 8px 16px !important;
    font-size: 0.85rem !important;
    min-height: 40px !important;
    border-radius: var(--radius-pill, 9999px) !important;
  }

  /* Instructor / Mentors Section */
  .instructor-card {
    grid-template-columns: 1fr !important;
    text-align: center !important;
    gap: 24px !important;
    padding: 28px 20px !important;
  }

  .instructor-img-wrap {
    max-width: 200px !important;
    margin: 0 auto !important;
  }

  .instructor-stats {
    display: flex !important;
    flex-wrap: wrap !important;
    justify-content: center !important;
    gap: 12px !important;
  }

  .instructor-stats .inst-stat {
    flex: 1 1 calc(33.333% - 10px) !important;
    min-width: 85px !important;
    padding: 10px 12px !important;
  }

  /* Pricing Box & Checklist */
  .pricing-box {
    padding: 32px 20px !important;
  }

  .pricing-checklist {
    grid-template-columns: 1fr !important;
    gap: 12px !important;
  }

  /* Sticky Mobile Bottom CTA Bar with iPhone Safe-Area */
  .sticky-mobile-cta {
    display: flex !important;
    padding: 12px 18px calc(12px + env(safe-area-inset-bottom, 0px)) 18px !important;
  }

  .body-with-sticky-bar {
    padding-bottom: calc(76px + env(safe-area-inset-bottom, 0px)) !important;
  }

  /* Floating Badges */
  .floating-badge-card {
    left: 10px !important;
    bottom: -15px !important;
    padding: 10px 14px !important;
  }

  .floating-metric-badge {
    right: 10px !important;
    top: -15px !important;
  }

  /* Blog Listing Grid */
  .blog-posts-grid {
    grid-template-columns: 1fr !important;
    gap: 24px !important;
  }

  /* Certificate Page Frame */
  .certificate-frame {
    padding: 24px 16px !important;
    border-width: 6px !important;
    border-radius: 16px !important;
    max-width: 100% !important;
  }

  .certificate-inner-border {
    padding: 20px 12px !important;
  }

  .cert-recipient-name {
    font-size: 1.6rem !important;
  }

  .cert-course-badge {
    font-size: 1.05rem !important;
    padding: 8px 14px !important;
  }

  .cert-signatures-row {
    flex-direction: column !important;
    align-items: center !important;
    gap: 20px !important;
  }

  .signature-block {
    width: 100% !important;
  }

  /* Contact Page */
  .contact-main-grid {
    grid-template-columns: 1fr !important;
  }

  .channels-grid {
    grid-template-columns: 1fr !important;
  }

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

  .contact-form-card,
  .campus-details-body {
    padding: 24px 18px !important;
  }

  .contact-cta-banner {
    padding: 36px 20px !important;
  }

  .contact-cta-banner h3 {
    font-size: 1.65rem !important;
  }

  /* Footer Grid */
  .footer-grid {
    grid-template-columns: 1fr !important;
    gap: 32px !important;
  }

  .footer-bottom {
    flex-direction: column !important;
    text-align: center !important;
    gap: 12px !important;
  }

  .footer-legal-links {
    justify-content: center !important;
    gap: 16px !important;
  }

  /* Enrolled / Dashboard Grids */
  .enrolled-courses-grid {
    grid-template-columns: 1fr !important;
  }

  .dash-metrics-grid {
    grid-template-columns: 1fr !important;
  }

  .reviews-overview {
    grid-template-columns: 1fr !important;
  }

  /* Single Course Specifics */
  .course-meta-header {
    flex-wrap: wrap !important;
    gap: 10px !important;
  }

  .course-feature-grid {
    grid-template-columns: 1fr !important;
  }

  .instructor-bio-card {
    flex-direction: column !important;
    text-align: center !important;
    gap: 16px !important;
  }
}

/* --------------------------------------------------------------------------
   6. Small Mobile (< 480px)
   -------------------------------------------------------------------------- */
@media (max-width: 480px) {
  .nav-wrap {
    height: 62px !important;
  }

  .brand-logo {
    gap: 8px !important;
  }

  .brand-logo img,
  .brand-logo-wrap img,
  .custom-logo-link img,
  img.custom-logo {
    height: 32px !important;
    max-height: 32px !important;
  }

  .brand-logo-text {
    font-size: 1.12rem !important;
  }

  .brand-logo-text .logo-it {
    margin-left: 2px !important;
  }

  /* Course Carousel on Small Screens */
  .courses-carousel-track .course-card,
  .courses-carousel-track .course-slide-card {
    min-width: calc(88vw - 16px) !important;
    max-width: 88vw !important;
    scroll-snap-align: center !important;
  }

  /* Hide floating navigation buttons on small mobile — native swipe is superior */
  .carousel-nav-btn {
    display: none !important;
  }

  /* Hero Elements */
  .hero-preview-badges-grid,
  .about-ecosystem-badges {
    grid-template-columns: 1fr !important;
    gap: 8px !important;
  }

  .hero-cta-group {
    flex-direction: column !important;
    width: 100% !important;
    gap: 10px !important;
  }

  .hero-cta-group .nt-btn {
    width: 100% !important;
    justify-content: center !important;
  }

  .about-hero-actions {
    flex-direction: column !important;
    width: 100% !important;
  }

  .about-hero-actions .nt-btn {
    width: 100% !important;
    justify-content: center !important;
  }

  /* Lead Modal */
  .nt-modal-backdrop {
    padding: 12px !important;
  }

  .nt-modal {
    padding: 22px 16px !important;
    border-radius: 16px !important;
    max-height: 94vh !important;
  }

  .modal-close {
    top: 14px !important;
    right: 14px !important;
  }

  /* Auth / Login Card */
  .auth-card {
    padding: 24px 16px !important;
  }

  .auth-page-layout {
    padding: 2rem 12px !important;
  }

  /* Certificate on Very Small Screens */
  .certificate-frame {
    padding: 16px 10px !important;
    border-width: 4px !important;
    border-radius: 12px !important;
  }

  .certificate-inner-border {
    padding: 14px 8px !important;
    border-width: 1px !important;
  }

  .cert-recipient-name {
    font-size: 1.35rem !important;
  }

  .cert-course-badge {
    font-size: 0.95rem !important;
    padding: 6px 10px !important;
  }

  .instructor-stats .inst-stat {
    flex: 1 1 calc(50% - 6px) !important;
  }

  /* Contact Channels */
  .channel-card {
    padding: 18px 16px !important;
  }

  .contact-hero-title {
    font-size: 1.8rem !important;
  }

  .contact-stat-pill {
    font-size: 0.82rem !important;
    padding: 6px 12px !important;
  }
}

/* --------------------------------------------------------------------------
   7. Extra-Small Mobile (< 360px)
   -------------------------------------------------------------------------- */
@media (max-width: 360px) {
  .nt-container {
    width: 95% !important;
    padding-left: 8px !important;
    padding-right: 8px !important;
  }

  .brand-logo-text {
    font-size: 1.02rem !important;
  }

  .top-bar-left {
    font-size: 0.74rem !important;
  }

  .top-bar-badge {
    padding: 2px 6px !important;
    font-size: 0.68rem !important;
  }

  .sticky-price-now {
    font-size: 1.05rem !important;
  }

  .sticky-mobile-cta .nt-btn {
    padding: 8px 14px !important;
    font-size: 0.82rem !important;
  }

  .instructor-stats .inst-stat {
    flex: 1 1 100% !important;
  }

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