/* ============================================
   COMPREHENSIVE RESPONSIVE DESIGN
   Kisan PG College Website
   ============================================ */

/* ============================================
   MOBILE FIRST APPROACH - BASE STYLES
   ============================================ */

/* Base Typography */
* {
    box-sizing: border-box;
}

html {
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
}

body {
    overflow-x: hidden;
    width: 100%;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* ============================================
   NAVIGATION - ENHANCED MOBILE
   ============================================ */

@media (max-width: 768px) {
    nav {
        padding: 3% 4% !important;
        flex-wrap: wrap;
    }
    
    nav img {
        width: 50px !important;
    }
    
    .admin-btn {
        display: none !important;
    }
}

/* ============================================
   HEADER SECTION
   ============================================ */

@media (max-width: 768px) {
    .header {
        min-height: 60vh !important;
        padding: 20px 10px !important;
    }
    
    .text-box {
        width: 95% !important;
        top: 20% !important;
        padding: 15px !important;
    }
    
    .text-box h1 {
        font-size: 24px !important;
        line-height: 1.3 !important;
        margin-bottom: 10px !important;
    }
    
    .text-box p {
        font-size: 14px !important;
        margin: 8px 0 !important;
    }
    
    .hero-btn {
        padding: 10px 25px !important;
        font-size: 14px !important;
        margin-top: 15px !important;
    }
}

@media (max-width: 480px) {
    .text-box h1 {
        font-size: 20px !important;
    }
    
    .text-box p {
        font-size: 12px !important;
    }
}

/* ============================================
   PRINCIPAL SECTION
   ============================================ */

@media (max-width: 768px) {
    .principal-section {
        padding: 30px 15px !important;
    }
    
    .principal-profile {
        flex-direction: column !important;
        text-align: center !important;
    }
    
    .principal-photo {
        margin: 0 auto 20px !important;
        width: 150px !important;
        height: 150px !important;
    }
    
    .principal-photo img {
        width: 150px !important;
        height: 150px !important;
    }
    
    .principal-info {
        padding: 0 !important;
    }
    
    .principal-info h2 {
        font-size: 22px !important;
    }
    
    .principal-info h3 {
        font-size: 16px !important;
    }
    
    .principal-info p {
        font-size: 14px !important;
        line-height: 1.6 !important;
    }
}

/* ============================================
   NOTIFICATION SECTION
   ============================================ */

@media (max-width: 768px) {
    .notification-section {
        position: static !important;
        width: 100% !important;
        margin: 20px 0 !important;
        padding: 0 15px !important;
    }
    
    .notification-wrapper {
        width: 100% !important;
    }
    
    #notification-list {
        height: auto !important;
        max-height: 200px !important;
    }
    
    /* Notification Page */
    .notif-section {
        width: 100% !important;
        padding: 15px !important;
        margin: 10px 0 !important;
    }
    
    .notif-header h3 {
        font-size: 20px !important;
    }
    
    .notif-message a {
        font-size: 13px !important;
        line-height: 1.5 !important;
    }
}

/* ============================================
   COURSE SECTION
   ============================================ */

@media (max-width: 768px) {
    .course {
        padding: 30px 15px !important;
    }
    
    .course h1 {
        font-size: 24px !important;
        margin-bottom: 20px !important;
    }
    
    .row {
        flex-direction: column !important;
    }
    
    .course-col {
        width: 100% !important;
        margin: 10px 0 !important;
        padding: 20px 15px !important;
    }
    
    .course-col h2 {
        font-size: 20px !important;
    }
    
    .course-col p {
        font-size: 14px !important;
    }
}

/* ============================================
   CAMPUS SECTION
   ============================================ */

@media (max-width: 768px) {
    .campus {
        padding: 30px 15px !important;
    }
    
    .campus h1 {
        font-size: 24px !important;
    }
    
    .campus-col {
        width: 100% !important;
        margin: 15px 0 !important;
    }
    
    .campus-col img {
        height: 200px !important;
        object-fit: cover !important;
    }
    
    .layer h3 {
        font-size: 18px !important;
    }
}

/* ============================================
   FACILITIES SECTION
   ============================================ */

@media (max-width: 768px) {
    .facilities {
        padding: 30px 15px !important;
    }
    
    .facilities h1 {
        font-size: 24px !important;
    }
    
    .facilities-col {
        width: 100% !important;
        margin: 15px 0 !important;
        padding: 15px !important;
    }
    
    .facilities-col img {
        height: 180px !important;
        object-fit: cover !important;
    }
    
    .facilities-col h3 {
        font-size: 18px !important;
        margin: 15px 0 10px !important;
    }
    
    .facilities-col p {
        font-size: 14px !important;
        line-height: 1.5 !important;
    }
}

/* ============================================
   FACULTY SECTION
   ============================================ */

@media (max-width: 768px) {
    .faculty-section {
        padding: 30px 15px !important;
    }
    
    .faculty-grid {
        grid-template-columns: 1fr !important;
        gap: 20px !important;
    }
    
    .faculty-card {
        width: 100% !important;
    }
    
    .faculty-card img {
        height: 250px !important;
        object-fit: cover !important;
    }
}

/* ============================================
   COMMITTEES PAGE
   ============================================ */

@media (max-width: 768px) {
    .committees-section {
        padding: 20px 10px !important;
    }
    
    .committees-layout {
        grid-template-columns: 1fr !important;
        gap: 15px !important;
    }
    
    .committees-list {
        padding: 15px !important;
    }
    
    .committees-list h2 {
        font-size: 18px !important;
    }
    
    .committee-details {
        padding: 15px !important;
    }
    
    .committee-details h2 {
        font-size: 18px !important;
    }
    
    .members-container .member {
        padding: 12px !important;
    }
    
    .members-container .member h4 {
        font-size: 16px !important;
    }
    
    .members-container .member p {
        font-size: 13px !important;
    }
}

/* ============================================
   NEWS & GALLERY
   ============================================ */

@media (max-width: 768px) {
    .news-grid,
    .gallery-grid {
        grid-template-columns: 1fr !important;
        gap: 20px !important;
        padding: 15px !important;
    }
    
    .news-card,
    .gallery-item {
        width: 100% !important;
    }
    
    .news-card img,
    .gallery-item img {
        height: 200px !important;
        object-fit: cover !important;
    }
}

/* ============================================
   ALUMNI SECTION
   ============================================ */

@media (max-width: 768px) {
    .alumni-section {
        padding: 30px 15px !important;
    }
    
    .alumni-grid {
        grid-template-columns: 1fr !important;
        gap: 20px !important;
    }
    
    .alumni-card {
        padding: 15px !important;
    }
}

/* ============================================
   CONTACT PAGE
   ============================================ */

@media (max-width: 768px) {
    .contact-section {
        padding: 30px 15px !important;
    }
    
    .contact-container {
        flex-direction: column !important;
    }
    
    .contact-info,
    .contact-form {
        width: 100% !important;
        margin: 10px 0 !important;
    }
    
    .contact-form input,
    .contact-form textarea {
        font-size: 14px !important;
        padding: 12px !important;
    }
}

/* ============================================
   FOOTER
   ============================================ */

@media (max-width: 768px) {
    footer {
        padding: 30px 15px !important;
    }
    
    .footer-content {
        flex-direction: column !important;
        text-align: center !important;
    }
    
    .footer-section {
        width: 100% !important;
        margin: 15px 0 !important;
    }
    
    .footer-section h3 {
        font-size: 18px !important;
    }
    
    .footer-section p,
    .footer-section a {
        font-size: 14px !important;
    }
}

/* ============================================
   TABLES - RESPONSIVE
   ============================================ */

@media (max-width: 768px) {
    table {
        display: block !important;
        overflow-x: auto !important;
        white-space: nowrap !important;
        -webkit-overflow-scrolling: touch !important;
    }
    
    table thead {
        display: none !important;
    }
    
    table tbody {
        display: block !important;
    }
    
    table tr {
        display: block !important;
        margin-bottom: 15px !important;
        border: 1px solid #ddd !important;
        border-radius: 8px !important;
        padding: 10px !important;
    }
    
    table td {
        display: block !important;
        text-align: right !important;
        padding: 10px !important;
        border: none !important;
        position: relative !important;
        padding-left: 50% !important;
    }
    
    table td::before {
        content: attr(data-label) !important;
        position: absolute !important;
        left: 10px !important;
        font-weight: bold !important;
        text-align: left !important;
    }
}

/* ============================================
   MODALS - RESPONSIVE
   ============================================ */

@media (max-width: 768px) {
    .modal-content {
        width: 95% !important;
        margin: 10% auto !important;
        padding: 20px !important;
    }
    
    .modal-content img {
        width: 120px !important;
        height: 120px !important;
    }
    
    .modal-content h3 {
        font-size: 20px !important;
    }
    
    .modal-content p {
        font-size: 14px !important;
    }
}

/* ============================================
   BUTTONS - TOUCH FRIENDLY
   ============================================ */

@media (max-width: 768px) {
    button,
    .btn,
    .hero-btn {
        min-height: 44px !important;
        padding: 12px 20px !important;
        font-size: 14px !important;
        touch-action: manipulation !important;
    }
    
    a {
        min-height: 44px !important;
        display: inline-flex !important;
        align-items: center !important;
        justify-content: center !important;
    }
}

/* ============================================
   FORMS - MOBILE OPTIMIZED
   ============================================ */

@media (max-width: 768px) {
    input[type="text"],
    input[type="email"],
    input[type="password"],
    input[type="tel"],
    textarea,
    select {
        font-size: 16px !important; /* Prevents zoom on iOS */
        padding: 12px !important;
        width: 100% !important;
    }
    
    label {
        font-size: 14px !important;
        margin-bottom: 5px !important;
    }
}

/* ============================================
   UTILITY CLASSES
   ============================================ */

@media (max-width: 768px) {
    .hide-mobile {
        display: none !important;
    }
    
    .show-mobile {
        display: block !important;
    }
    
    .text-center-mobile {
        text-align: center !important;
    }
    
    .full-width-mobile {
        width: 100% !important;
    }
}

/* ============================================
   TABLET SPECIFIC (768px - 1024px)
   ============================================ */

@media (min-width: 769px) and (max-width: 1024px) {
    .container {
        max-width: 90% !important;
    }
    
    .row {
        flex-wrap: wrap !important;
    }
    
    .course-col,
    .campus-col,
    .facilities-col {
        width: 48% !important;
        margin: 1% !important;
    }
    
    .committees-layout {
        grid-template-columns: repeat(2, 1fr) !important;
    }
}

/* ============================================
   LANDSCAPE MOBILE (480px - 768px)
   ============================================ */

@media (min-width: 481px) and (max-width: 768px) and (orientation: landscape) {
    .header {
        min-height: 80vh !important;
    }
    
    .text-box {
        top: 15% !important;
    }
    
    nav {
        padding: 2% 4% !important;
    }
}

/* ============================================
   SMALL MOBILE (< 480px)
   ============================================ */

@media (max-width: 480px) {
    body {
        font-size: 14px !important;
    }
    
    h1 {
        font-size: 22px !important;
    }
    
    h2 {
        font-size: 18px !important;
    }
    
    h3 {
        font-size: 16px !important;
    }
    
    .container {
        padding: 0 10px !important;
    }
    
    /* Extra small buttons */
    button,
    .btn {
        padding: 10px 15px !important;
        font-size: 13px !important;
    }
}

/* ============================================
   PRINT STYLES
   ============================================ */

@media print {
    nav,
    .admin-btn,
    .icon,
    footer,
    .notification-section {
        display: none !important;
    }
    
    body {
        font-size: 12pt !important;
        color: #000 !important;
        background: #fff !important;
    }
    
    a {
        text-decoration: underline !important;
        color: #000 !important;
    }
}

/* ============================================
   ACCESSIBILITY IMPROVEMENTS
   ============================================ */

/* Focus states for keyboard navigation */
a:focus,
button:focus,
input:focus,
select:focus,
textarea:focus {
    outline: 2px solid #2d9374 !important;
    outline-offset: 2px !important;
}

/* Skip to main content link */
.skip-to-main {
    position: absolute;
    top: -40px;
    left: 0;
    background: #2d9374;
    color: white;
    padding: 8px;
    text-decoration: none;
    z-index: 100;
}

.skip-to-main:focus {
    top: 0;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    * {
        border-color: currentColor !important;
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* ============================================
   PERFORMANCE OPTIMIZATIONS
   ============================================ */

/* GPU acceleration for smooth animations */
.nav-links,
.modal,
.notification-wrapper {
    will-change: transform;
    transform: translateZ(0);
    backface-visibility: hidden;
}

/* Lazy loading images */
img[loading="lazy"] {
    opacity: 0;
    transition: opacity 0.3s;
}

img[loading="lazy"].loaded {
    opacity: 1;
}