/* Professional Responsive Design for INDLOG Website */

/* ===== LARGE DESKTOP & LAPTOP (1200px+) ===== */
@media (min-width: 1200px) {
    .header-content {
        max-width: 1400px;
        padding: 0 40px;
    }
    
    .hero-content {
        max-width: 1400px;
        padding: 0 40px;
    }
    
    .features-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 2rem;
    }
    
    .section-header h2 {
        font-size: 3rem;
    }
    
    .hero-text h1 {
        font-size: 4rem;
    }
    
    .newsletter-wrapper {
        max-width: 1400px;
        padding: 0 40px;
    }
    
    .footer-content {
        max-width: 1400px;
        padding: 0 40px;
    }
}

/* ===== LAPTOP & DESKTOP (1024px - 1199px) ===== */
@media (min-width: 1024px) and (max-width: 1199px) {
    .header-content {
        padding: 0 30px;
    }
    
    .hero-content {
        padding: 0 30px;
    }
    
    .features-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 1.5rem;
    }
    
    .hero-text h1 {
        font-size: 3.5rem;
    }
    
    .section-header h2 {
        font-size: 2.5rem;
    }
}

/* ===== TABLET LANDSCAPE (768px - 1023px) ===== */
@media (min-width: 768px) and (max-width: 1023px) {
    /* Header */
    .header {
        padding: 0.8rem 0;
    }
    
    .header-content {
        padding: 0 20px;
    }
    
    .logo-img {
        height: 40px;
    }
    
    .nav-menu {
        gap: 2rem;
    }
    
    .nav-link {
        font-size: 0.95rem;
    }
    
    .header-actions {
        gap: 0.8rem;
    }
    
    .btn {
        padding: 0.7rem 1.3rem;
        font-size: 0.85rem;
    }
    
    /* Hero Section */
    .hero {
        padding: 7rem 0 4rem;
        min-height: 90vh;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        gap: 3rem;
        text-align: center;
        padding: 0 20px;
    }
    
    .hero-text h1 {
        font-size: 3rem;
        margin-bottom: 1.5rem;
    }
    
    .hero-text p {
        font-size: 1.1rem;
        margin-bottom: 2rem;
    }
    
    .hero-actions {
        justify-content: center;
        gap: 1rem;
    }
    
    .hero-image {
        height: 400px;
        order: -1;
    }
    
    /* Sections */
    .section {
        padding: 4rem 0;
    }
    
    .section-header {
        margin-bottom: 3rem;
    }
    
    .section-header h2 {
        font-size: 2.2rem;
    }
    
    .section-header p {
        font-size: 1rem;
    }
    
    /* Features Grid */
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
    
    .feature-card {
        padding: 2rem;
        min-height: 240px;
    }
    
    .feature-card h3 {
        font-size: 1.1rem;
    }
    
    .feature-card p {
        font-size: 0.9rem;
    }
    
    /* Container Table */
    .container-table {
        margin: 0 20px 2rem;
        overflow-x: auto;
    }
    
    .table {
        min-width: 700px;
    }
    
    .table th,
    .table td {
        padding: 1rem 0.8rem;
        font-size: 0.9rem;
    }
    
    /* Members Grid */
    .members-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
    
    .member-card {
        padding: 1.8rem;
    }
    
    /* Newsletter */
    .newsletter-wrapper {
        padding: 0 20px;
    }
    
    .newsletter-content {
        padding: 3rem;
        grid-template-columns: 1fr;
        gap: 2.5rem;
        text-align: center;
    }
    
    .newsletter-text {
        text-align: center;
    }
    
    .newsletter-content h2 {
        font-size: 2.2rem;
    }
    
    .newsletter-form {
        flex-direction: column;
        gap: 1rem;
        max-width: 500px;
        margin: 0 auto;
    }
    
    .newsletter-input {
        width: 100%;
    }
    
    .newsletter-btn {
        width: 100%;
        justify-content: center;
    }
    
    /* Footer */
    .footer-content {
        grid-template-columns: 2fr 1fr 1fr;
        gap: 3rem;
        padding: 0 20px;
    }
    
    .social-links {
        justify-content: flex-start;
    }
    .nwtbtn {
        position: relative;
        width: 100%;
        margin-bottom: 0;
    }
}

/* ===== TABLET PORTRAIT & MOBILE LARGE (481px - 767px) ===== */
@media (min-width: 350px) and (max-width: 767px) {
    /* Header */
    .header {
        padding: 0.4rem 0;
    }
    
    .header-content {
        padding: 0 15px;
        flex-wrap: wrap;
        gap: 0.8rem;
    }
    
    .logo-img {
        height: 32px;
    }
    
    .mobile-menu-toggle {
        display: flex;
        order: 2;
    }
    
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--white);
        box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
        flex-direction: column;
        padding: 1.5rem 0;
        gap: 0.5rem;
        border-radius: 0 0 20px 20px;
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
    }
    
    .nav-menu.active {
        display: flex;
        animation: slideDown 0.3s ease-out;
    }
    
    @keyframes slideDown {
        from {
            opacity: 0;
            transform: translateY(-10px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }
    
    .nav-link {
        font-size: 1rem;
        padding: 0.8rem 2rem;
        text-align: center;
        border-bottom: 1px solid var(--border-gray);
        transition: all 0.3s ease;
    }
    
    .nav-link:hover {
        background-color: var(--light-purple);
        color: var(--primary-purple);
    }
    
    .nav-link:last-child {
        border-bottom: none;
    }
    
    .header-actions {
        order: 3;
        width: 100%;
        justify-content: center;
        gap: 1rem;
        padding-top: 1rem;
        border-top: 1px solid var(--border-gray);
    }
    
    .btn {
        padding: 0.7rem 1.3rem;
        font-size: 0.85rem;
        min-width: 110px;
    }
    
    /* Hero Section */
    .hero {
        padding: 6rem 0 3rem;
        min-height: auto;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        gap: 2.5rem;
        text-align: center;
        padding: 0 15px;
    }
    
    .hero-text h1 {
        font-size: 2.5rem;
        margin-bottom: 1.5rem;
    }
    
    .hero-text p {
        font-size: 1rem;
        margin-bottom: 2rem;
    }
    
    .hero-actions {
        flex-direction: column;
        gap: 1rem;
        align-items: center;
    }
    
    .hero-image {
        height: 350px;
        order: -1;
    }
    
    /* Sections */
    .section {
        padding: 3rem 0;
    }
    
    .section-header {
        margin-bottom: 2.5rem;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .section-header p {
        font-size: 0.95rem;
    }
    
    /* Features Grid */
    .features-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .feature-card {
        padding: 2rem;
        min-height: 220px;
    }
    
    /* Container Table */
    .container-table {
        margin: 0 15px 2rem;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        border-radius: 12px;
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
        background-color: var(--white);
    }
    
    .table {
        min-width: 650px;
        font-size: 0.9rem;
    }
    
    .table th,
    .table td {
        padding: 1rem 0.8rem;
        font-size: 0.85rem;
        white-space: nowrap;
    }
    
    .table th {
        background-color: var(--primary-purple);
        color: var(--white);
        font-weight: 600;
        text-transform: uppercase;
        letter-spacing: 0.5px;
        font-size: 0.8rem;
    }
    
    .table td {
        border-bottom: 1px solid var(--border-gray);
    }
    
    .table tr:hover {
        background-color: var(--light-purple);
    }
    
    /* Mobile table scroll indicator */
    .container-table::after {
        content: '← Scroll to see more →';
        display: block;
        text-align: center;
        padding: 0.5rem;
        font-size: 0.8rem;
        color: var(--light-gray);
        background-color: var(--light-purple);
        border-top: 1px solid var(--border-gray);
    }
    
    /* Members Grid */
    .members-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .member-card {
        padding: 1.5rem;
    }
    
    /* Newsletter */
    .newsletter-wrapper {
        padding: 0 15px;
    }
    
    .newsletter-content {
        padding: 2.5rem 1.5rem;
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    .newsletter-content h2 {
        font-size: 2rem;
    }
    
    .newsletter-form {
        flex-direction: column;
        gap: 1rem;
    }
    
    .newsletter-input {
        width: 100%;
        padding: 1rem 1.2rem;
    }
    
    .newsletter-btn {
        width: 100%;
        justify-content: center;
        padding: 1rem 1.5rem;
    }
    
    /* Footer */
    .footer {
        padding: 3rem 0 1.5rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
        padding: 0 15px;
    }
    
    .social-links {
        justify-content: center;
    }
    .nwtbtn {
        position: relative;
        width: 100%;
        margin-bottom: 0;
    }
}

/* ===== MOBILE SMALL (320px - 480px) ===== */
@media (max-width: 480px) {
    /* Header */
    .header {
        padding: 0.4rem 0;
    }
    
    .header-content {
        padding: 0 10px;
        gap: 0.6rem;
    }
    
    .logo-img {
        height: 30px;
    }
    
    .mobile-menu-toggle {
        width: 28px;
        height: 28px;
    }
    
    .hamburger-line {
        width: 22px;
        height: 2px;
    }
    
    .nav-menu {
        padding: 1.5rem 0;
        gap: 1rem;
    }
    
    .nav-link {
        font-size: 1rem;
        padding: 0.7rem 1.5rem;
    }
    
    .header-actions {
        gap: 0.8rem;
        padding-top: 0.8rem;
    }
    
    .btn {
        padding: 0.7rem 1.2rem;
        font-size: 0.85rem;
        min-width: 100px;
    }
    
    /* Hero Section */
    .hero {
        padding: 5rem 0 2.5rem;
    }
    
    .hero-content {
        padding: 0 10px;
        gap: 2rem;
    }
    
    .hero-text h1 {
        font-size: 2rem;
        margin-bottom: 1rem;
    }
    
    .hero-text p {
        font-size: 0.95rem;
        margin-bottom: 1.5rem;
    }
    
    .hero-actions {
        gap: 0.8rem;
    }
    
    .hero-image {
        height: 280px;
    }
    
    /* Sections */
    .section {
        padding: 2.5rem 0;
    }
    
    .section-header {
        margin-bottom: 2rem;
    }
    
    .section-header h2 {
        font-size: 1.8rem;
    }
    
    .section-header p {
        font-size: 0.9rem;
    }
    
    /* Features Grid */
    .features-grid {
        gap: 1rem;
    }
    
    .feature-card {
        padding: 1.5rem;
        min-height: 200px;
    }
    
    .feature-card h3 {
        font-size: 1rem;
    }
    
    .feature-card p {
        font-size: 0.85rem;
    }
    
    .feature-icon {
        width: 50px;
        height: 50px;
        font-size: 1.2rem;
    }
    
    /* Container Table */
    .container-table {
        margin: 0 10px 1.5rem;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        border-radius: 10px;
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
        background-color: var(--white);
    }
    
    .table {
        min-width: 550px;
        font-size: 0.85rem;
    }
    
    .table th,
    .table td {
        padding: 0.7rem 0.5rem;
        font-size: 0.75rem;
        white-space: nowrap;
    }
    
    .table th {
        background-color: var(--primary-purple);
        color: var(--white);
        font-weight: 600;
        text-transform: uppercase;
        letter-spacing: 0.3px;
        font-size: 0.7rem;
    }
    
    .table td {
        border-bottom: 1px solid var(--border-gray);
    }
    
    .table tr:hover {
        background-color: var(--light-purple);
    }
    
    /* Mobile table scroll indicator */
    .container-table::after {
        content: '← Swipe to see more →';
        display: block;
        text-align: center;
        padding: 0.4rem;
        font-size: 0.7rem;
        color: var(--light-gray);
        background-color: var(--light-purple);
        border-top: 1px solid var(--border-gray);
    }
    
    .container-count-badge {
        min-width: 35px;
        height: 25px;
        font-size: 0.8rem;
        padding: 0 8px;
    }
    
    .special-rates {
        font-size: 0.7rem;
        padding: 0.2rem 0.5rem;
    }
    
    .btn-contact {
        padding: 0.4rem 0.8rem;
        font-size: 0.75rem;
    }
    
    /* Members Grid */
    .members-grid {
        gap: 1rem;
    }
    
    .member-card {
        padding: 1.2rem;
    }
    
    .member-logo {
        width: 45px;
        height: 45px;
        font-size: 1rem;
    }
    
    .member-info h3 {
        font-size: 1rem;
    }
    
    .member-location {
        font-size: 0.85rem;
    }
    
    .member-details p {
        font-size: 0.85rem;
    }
    
    /* Newsletter */
    .newsletter-wrapper {
        padding: 0 10px;
    }
    
    .newsletter-content {
        padding: 2rem 1rem;
        gap: 1.5rem;
    }
    
    .newsletter-content h2 {
        font-size: 1.8rem;
    }
    
    .newsletter-content p {
        font-size: 1rem;
    }
    
    .newsletter-benefit {
        font-size: 0.95rem;
    }
    
    .newsletter-input {
        padding: 0.9rem 1rem;
        font-size: 0.95rem;
    }
    
    .newsletter-btn {
        padding: 0.9rem 1.2rem;
        font-size: 0.95rem;
    }
    
    /* Footer */
    .footer {
        padding: 2.5rem 0 1rem;
    }
    
    .footer-content {
        gap: 1.5rem;
        padding: 0 10px;
    }
    
    .footer-section h3 {
        font-size: 1.1rem;
    }
    
    .footer-section p,
    .footer-section li {
        font-size: 0.9rem;
    }
    
    .social-link {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
    
    .footer-bottom {
        font-size: 0.9rem;
        padding: 1.5rem 10px 0;
    }
    .nwtbtn {
        position: relative;
        width: 100%;
        margin-bottom: 0;
    }
}

/* ===== TOUCH DEVICE OPTIMIZATIONS ===== */
@media (hover: none) and (pointer: coarse) {
    .btn {
        min-height: 48px;
        padding: 0.8rem 1.5rem;
    }
    
    .nav-link {
        padding: 1rem 2rem;
    }
    
    .feature-card:hover,
    .member-card:hover {
        transform: none;
    }
    
    .btn:hover::before {
        display: none;
    }
}

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

/* ===== REDUCED MOTION ===== */
@media (prefers-reduced-motion: reduce) {
    .nav-link::after,
    .btn::before,
    .feature-card,
    .member-card,
    .logo-img {
        transition: none;
        animation: none;
    }
    
    .hamburger-line {
        transition: none;
    }
}

/* ===== PRINT STYLES ===== */
@media print {
    .header,
    .mobile-menu-toggle,
    .newsletter-section,
    .footer {
        display: none !important;
    }
    
    .hero {
        padding: 2rem 0;
        min-height: auto;
    }
    
    .section {
        padding: 1.5rem 0;
    }
    
    .btn {
        border: 1px solid #000;
        background: transparent !important;
        color: #000 !important;
    }
    
    .feature-card,
    .member-card {
        border: 1px solid #ccc !important;
        box-shadow: none !important;
        break-inside: avoid;
    }
}

/* ===== ACCESSIBILITY ENHANCEMENTS ===== */
@media (prefers-contrast: high) {
    .nav-link::after {
        height: 3px;
    }
    
    .btn {
        border-width: 2px;
    }
    
    .feature-card,
    .member-card {
        border: 2px solid var(--border-gray);
    }
}

/* ===== FOCUS MANAGEMENT FOR KEYBOARD NAVIGATION ===== */
@media (prefers-reduced-motion: no-preference) {
    .nav-link:focus,
    .btn:focus,
    .mobile-menu-toggle:focus {
        outline: 2px solid var(--primary-purple);
        outline-offset: 2px;
    }
}