/* ============================================
   Sahara National Academy - Responsive Styles
   Mobile First Approach
   ============================================ */

/* ---- Extra Large Screens (1400px+) ---- */
@media (min-width: 1400px) {
  .container {
    max-width: 1400px;
  }
}

/* ---- Large Screens (1200px) ---- */
@media (max-width: 1200px) {
  .stats-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .why-choose-grid {
    grid-template-columns: repeat(3, 1fr);
  }

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

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

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

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

/* ---- Mobile Header & Navigation ---- */
@media (max-width: 1200px) {
  body {
    padding-top: 140px;
  }

  .site-header {
    flex-wrap: wrap;
    gap: 12px;
    padding: 12px 20px 12px 200px;
  }
  
  .header-info {
    gap: 15px;
    flex-wrap: wrap;
  }
  
  .info-item {
    font-size: 0.8rem;
  }
  
  .info-icon-circle {
    width: 36px;
    height: 36px;
  }

  .info-item i {
    font-size: 0.95rem;
  }
  
  .calendar-btn-group .calendar-btn {
    padding: 6px 10px;
    font-size: 0.7rem;
  }
  
  .main-navbar {
    padding: 0 20px;
  }
  
  .main-navbar .nav-menu a {
    font-size: 0.78rem;
    padding: 12px 10px;
  }

  .header-wave svg {
    height: 20px;
  }
}

/* ---- Medium Screens / Tablets (992px) ---- */
@media (max-width: 992px) {
  body {
    padding-top: 105px;
  }

  .site-header {
    padding: 10px 15px;
  }
  
  .logo {
    position: static;
    display: block;
    padding: 0;
  }

  .logo img {
    height: 45px;
  }
  
  .header-info {
    display: none;
  }

  .header-wave {
    display: none;
  }
  
  .calendar-btn-group .calendar-btn:not(.view-btn) span {
    display: none;
  }
  
  .calendar-btn-group .calendar-btn:not(.view-btn) {
    font-size: 0;
    padding: 8px 10px;
  }
  
  .calendar-btn-group .calendar-btn:not(.view-btn) i {
    font-size: 1rem;
    margin: 0;
  }

  .results-dropdown .results-btn {
    font-size: 0;
    padding: 8px 10px;
  }

  .results-dropdown .results-btn i {
    font-size: 1rem;
    margin: 0;
  }

  .results-dropdown .results-btn .results-arrow {
    display: none;
  }

  .results-menu {
    left: auto;
    right: 0;
    min-width: 180px;
  }
  
  .main-navbar {
    padding: 0 15px;
    justify-content: space-between;
  }

  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    max-width: 100%;
    height: 100vh;
    background: var(--white);
    flex-direction: column;
    align-items: flex-start;
    padding: 80px 20px 20px;
    gap: 0;
    transition: right 0.4s ease;
    box-shadow: var(--shadow-xl);
    overflow-y: auto;
    z-index: 1000;
  }
  .nav-menu > li > a {
    font-size: 1.1rem;
    padding: 20px;
  }
  .nav-menu .mega-menu {
    padding: 0 0 0 20px;
  }
  .nav-menu .mega-menu-item {
    padding: 15px;
  }

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

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

  .nav-menu > li > a {
    color: var(--text-primary);
    padding: 15px 20px;
    display: block;
    border-bottom: 1px solid var(--light-gray);
    border-radius: 0;
  }

  .nav-menu > li > a:hover {
    background: var(--off-white);
    color: var(--primary);
  }

  .nav-toggle {
    display: flex;
  }

  /* Mobile dropdown */
  .dropdown,
  .mega-menu {
    position: static;
    transform: none;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    box-shadow: none;
    border-radius: 0;
    min-width: auto;
    padding: 0 0 0 20px;
    display: none;
    background: var(--off-white);
  }

  .nav-menu > li:hover .dropdown,
  .nav-menu > li:hover .mega-menu {
    display: block;
  }

  .mega-menu-grid {
    grid-template-columns: 1fr;
    gap: 0;
  }

  /* Hero */
  .hero h1 {
    font-size: 2.5rem;
  }

  .hero-typing {
    font-size: 1.1rem;
  }

  .hero-slider-arrow {
    display: none;
  }

  /* Sections */
  .section {
    padding: 70px 0;
  }

  .section-title {
    font-size: 2rem;
  }

  /* Grids */
  .about-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

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

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

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

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

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

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

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

  .mission-vision-grid {
    grid-template-columns: 1fr;
  }

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

  .principal-img {
    max-width: 300px;
    margin: 0 auto;
  }

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

  .admission-info-grid {
    grid-template-columns: 1fr;
  }

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

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

  /* Timeline */
  .timeline::before,
  .news-timeline::before {
    left: 20px;
  }

  .timeline-item,
  .news-item {
    flex-direction: row !important;
    padding-left: 50px !important;
    padding-right: 0 !important;
    text-align: left !important;
  }

  .timeline-dot,
  .news-dot {
    left: 20px;
    transform: translateX(-50%);
  }

  .news-item:nth-child(even) {
    flex-direction: row !important;
    padding-left: 50px !important;
  }
}

/* ---- Small Screens / Mobile Landscape (768px) ---- */
@media (max-width: 768px) {
  :root {
    --navbar-height: 65px;
  }

  .navbar {
    padding: 0 20px;
  }

  .nav-logo-text h2 {
    font-size: 1rem;
  }

  .nav-logo-text span {
    font-size: 0.6rem;
  }

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

  .hero-typing {
    font-size: 0.95rem;
  }

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

  .hero-buttons .btn {
    width: 80%;
    justify-content: center;
  }

  .hero-slider-controls {
    bottom: 70px;
  }

  /* Stats */
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
  }

  .stat-number {
    font-size: 2rem;
  }

  /* Why Choose */
  .why-choose-grid {
    grid-template-columns: 1fr;
  }

  /* Levels */
  .levels-grid {
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  }

  /* Programs */
  .programs-grid {
    grid-template-columns: 1fr;
  }

  /* Facilities */
  .facilities-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  /* Highlights */
  .highlights-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  /* Page Header */
  .page-header {
    padding: 130px 0 60px;
  }

  .page-header h1 {
    font-size: 2rem;
  }

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

  /* Admission Steps */
  .admission-steps {
    grid-template-columns: 1fr;
  }

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

  .admission-form {
    padding: 25px;
  }

  /* Gallery */
  .gallery-grid {
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  }

  /* Footer */
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  /* Lightbox */
  .lightbox-nav.prev {
    left: 10px;
  }

  .lightbox-nav.next {
    right: 10px;
  }

  /* CTA */
  .cta-content h2 {
    font-size: 1.8rem;
  }

  /* Floating Buttons */
  .floating-btns {
    bottom: 20px;
    right: 20px;
  }

  .floating-btn {
    width: 48px;
    height: 48px;
    font-size: 1.1rem;
  }

  /* Search Overlay */
  .search-box {
    width: 90%;
  }

  .search-box input {
    font-size: 1rem;
    padding: 15px 50px 15px 20px;
  }

  /* Contact */
  .contact-info-cards {
    grid-template-columns: 1fr;
  }

  .contact-form {
    padding: 25px;
  }

  .map-container {
    height: 300px;
  }
}

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

  .container {
    padding: 0 15px;
  }

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

  .hero-typing {
    font-size: 0.85rem;
  }

  .hero-badge {
    font-size: 0.75rem;
    padding: 6px 14px;
  }

  .section {
    padding: 50px 0;
  }

  .section-header {
    margin-bottom: 35px;
  }

  .section-title {
    font-size: 1.6rem;
  }

  .section-subtitle {
    font-size: 0.9rem;
  }

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

  .stat-card {
    padding: 20px 10px;
  }

  .stat-number {
    font-size: 1.6rem;
  }

  .stat-icon {
    width: 50px;
    height: 50px;
    font-size: 1.2rem;
  }

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

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

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

  .btn {
    padding: 10px 24px;
    font-size: 0.85rem;
  }

  .btn-lg {
    padding: 14px 30px;
  }

  /* About Images */
  .about-img-secondary {
    position: relative;
    width: 100%;
    bottom: auto;
    right: auto;
    margin-top: 15px;
  }

  .about-img-main {
    width: 100%;
  }

  .about-img-main img {
    height: 250px;
  }

  .about-experience-badge {
    position: relative;
    top: auto;
    right: auto;
    display: inline-flex;
    gap: 8px;
    margin-bottom: 15px;
  }

  /* CTA */
  .cta-section {
    padding: 50px 0;
  }

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

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

  /* Page Header */
  .page-header {
    padding: 110px 0 50px;
  }

  .page-header h1 {
    font-size: 1.7rem;
  }

  /* Chart */
  .chart-grid {
    grid-template-columns: 1fr;
  }

  /* Timeline */
  .timeline-content,
  .news-card-content {
    padding: 15px;
  }

  /* Faculty */
  .faculty-grid {
    grid-template-columns: 1fr;
  }

  .faculty-card-img {
    height: 220px;
  }

  /* Gallery */
  .gallery-grid {
    grid-template-columns: 1fr;
  }

  .gallery-item {
    height: 200px;
  }

  /* Newsletter */
  .newsletter-form {
    flex-direction: column;
  }

  .newsletter-form input {
    border-right: 2px solid var(--light-gray);
    border-bottom: none;
  }

  /* Methodology */
  .methodology-grid {
    grid-template-columns: 1fr;
  }

  /* Academics */
  .academics-grid {
    grid-template-columns: 1fr;
  }
}

/* ---- Top Bar Responsive ---- */
@media (max-width: 768px) {
  .top-bar {
    display: none; /* Hide for cleaner mobile UI, or stack it if needed */
  }
  .navbar {
    top: 0;
  }
}

/* ---- Chatbot Responsive ---- */
@media (max-width: 480px) {
  .chatbot-window {
    width: calc(100vw - 20px);
    left: 10px;
    bottom: 90px;
    max-height: 70vh;
    border-radius: var(--radius-md);
  }

  .chatbot-btn {
    bottom: 20px;
    left: 20px;
    width: 52px;
    height: 52px;
    font-size: 1.2rem;
  }
}

@media (max-width: 768px) {
  .chatbot-window {
    width: calc(100vw - 30px);
    left: 15px;
    bottom: 95px;
  }
}

@media (min-width: 769px) and (max-width: 992px) {
  .chatbot-window {
    width: 380px;
  }
}

/* ---- Print Styles ---- */
@media print {
  .navbar,
  .floating-btns,
  .back-to-top,
  .scroll-progress,
  .theme-switcher,
  .popup-overlay {
    display: none !important;
  }

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

  .section {
    padding: 30px 0;
  }
}

/* ---- Results Page Responsive ---- */
@media (max-width: 992px) {
  .class-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  .class-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
  }

  .class-card {
    padding: 20px 10px;
  }

  .term-cards {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .term-card {
    padding: 24px 20px;
  }

  .result-summary {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .results-title {
    font-size: 1.5rem;
  }
}

@media (max-width: 480px) {
  .class-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}