/**
 * Mobile-First Responsive Design System
 * Comprehensive SP (Smartphone) optimization for all frontend pages
 * 
 * Design Principles:
 * - Mobile-first approach
 * - Touch-friendly interactions (min 44x44px touch targets)
 * - Optimized typography for readability
 * - Smooth animations and transitions
 * - Accessible navigation
 */

/* ============================================
   GLOBAL MOBILE OPTIMIZATIONS
   ============================================ */

/* Base Mobile Styles */
@media (max-width: 768px) {
    /* Typography - Better readability on mobile */
    body {
        font-size: 16px; /* Prevent iOS zoom on input focus */
        line-height: 1.6;
        -webkit-text-size-adjust: 100%;
        -webkit-font-smoothing: antialiased;
    }

    h1 {
        font-size: 1.75rem;
        line-height: 1.3;
        margin-bottom: 1rem;
    }

    h2 {
        font-size: 1.5rem;
        line-height: 1.3;
        margin-bottom: 0.875rem;
    }

    h3 {
        font-size: 1.25rem;
        line-height: 1.4;
        margin-bottom: 0.75rem;
    }

    p {
        font-size: 0.95rem;
        line-height: 1.7;
        margin-bottom: 1rem;
    }

    /* Container adjustments */
    .container {
        padding: 0 16px;
    }

    /* Improved button sizes for touch */
    .btn-primary,
    .btn-secondary,
    .btn-outline {
        min-height: 44px;
        padding: 0.875rem 1.5rem;
        font-size: 1rem;
        font-weight: 600;
        border-radius: 8px;
        touch-action: manipulation; /* Prevent double-tap zoom */
    }

    /* Better spacing */
    section {
        padding: 2.5rem 0;
    }
}

/* ============================================
   HEADER & NAVIGATION - MOBILE
   ============================================ */

@media (max-width: 768px) {
    .header {
        position: sticky;
        top: 0;
        z-index: 1000;
        background: #fff;
        box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    }

    .header-content {
        padding: 0.875rem 0;
        flex-wrap: wrap;
        gap: 0.75rem;
    }

    .logo img {
        height: 36px;
    }

    /* Mobile Navigation - Hamburger Menu */
    .nav {
        display: flex;
        align-items: center;
        gap: 0.5rem;
        flex-wrap: wrap;
        width: 100%;
        order: 3;
        justify-content: end;
    }

    /* Hide desktop nav links */
    .nav > a:not(.btn-primary):not(.btn-secondary) {
        display: none;
    }

    /* Mobile Menu Toggle Button */
    .mobile-menu-toggle {
        display: block;
        background: none;
        border: none;
        padding: 0.5rem;
        cursor: pointer;
        color: #333;
        order: -1;
        margin-right: auto;
    }

    .mobile-menu-toggle:focus {
        outline: 2px solid #0066cc;
        outline-offset: 2px;
        border-radius: 4px;
    }

    .mobile-menu-toggle svg {
        width: 24px;
        height: 24px;
    }

    /* Mobile Menu Overlay */
    .mobile-menu-overlay {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0, 0, 0, 0.5);
        z-index: 999;
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
    }

    .mobile-menu-overlay.active {
        opacity: 1;
        visibility: visible;
    }

    /* Mobile Menu Panel */
    .mobile-menu-panel {
        position: fixed;
        top: 0;
        left: -100%;
        width: 280px;
        max-width: 85vw;
        height: 100vh;
        background: #fff;
        box-shadow: 2px 0 12px rgba(0,0,0,0.15);
        z-index: 1000;
        transition: left 0.3s ease;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
    }

    .mobile-menu-panel.active {
        left: 0;
    }

    .mobile-menu-header {
        padding: 1rem;
        border-bottom: 1px solid #e0e0e0;
        display: flex;
        justify-content: space-between;
        align-items: center;
        background: #f8f9fa;
    }

    .mobile-menu-header .logo img {
        height: 32px;
    }

    .mobile-menu-close {
        background: none;
        border: none;
        padding: 0.5rem;
        cursor: pointer;
        color: #333;
        font-size: 1.5rem;
        line-height: 1;
    }

    .mobile-menu-nav {
        padding: 1rem 0;
    }

    .mobile-menu-nav a {
        display: block;
        padding: 1rem 1.5rem;
        color: #333;
        text-decoration: none;
        font-weight: 500;
        border-bottom: 1px solid #f0f0f0;
        transition: all 0.2s;
    }

    .mobile-menu-nav a:hover,
    .mobile-menu-nav a:active {
        background: #f0f7ff;
        color: #0066cc;
        /* padding-left: 2rem; */
    }

    .mobile-menu-nav .btn-primary,
    .mobile-menu-nav .btn-secondary {
        margin: 1rem 1.5rem;
        width: calc(100% - 3rem);
        text-align: center;
    }

    /* User menu adjustments */
    .user-menu {
        order: 2;
        display: flex;
        align-items: center;
        gap: 0.5rem;
    }

    /* User info container for mobile */
    .user-info-container {
        gap: 0.5rem;
    }

    .user-info-text .user-name {
        font-size: 13px !important;
    }

    .user-info-text .user-period {
        font-size: 12px !important;
    }

    .user-dropdown {
        right: 0;
        left: auto;
        min-width: 180px;
        box-shadow: 0 4px 16px rgba(0,0,0,0.2);
    }
    
    /* Mobile payment button */
    .mobile-payment-btn {
        display: inline-block !important;
        background: #dc3545;
        color: #fff;
        border: none;
        padding: 0.5rem 1rem;
        border-radius: 4px;
        font-weight: 500;
        font-size: 0.875rem;
        cursor: pointer;
        transition: background 0.3s;
        white-space: nowrap;
        min-height: 40px;
        line-height: 1.2;
    }
    
    .mobile-payment-btn:hover {
        background: #c82333;
    }
    
    .mobile-payment-btn.available {
        background: #0066cc;
    }
    
    .mobile-payment-btn.available:hover {
        background: #0052a3;
    }

    /* Show mobile-only dropdown items on mobile/tablet */
    .user-dropdown .mobile-only-dropdown {
        display: block !important;
    }

    /* Buttons in header */
    .nav .btn-primary,
    .nav .btn-secondary {
        font-size: 0.9rem;
        padding: 0.75rem 1.25rem;
        min-height: 40px;
    }

    /* Show mobile-only dropdown items on mobile/tablet */
    .user-dropdown .mobile-only-dropdown {
        display: block !important;
    }
}

/* Tablet and below (968px and below) - Show mobile dropdown items */
@media (max-width: 968px) {
    .user-dropdown .mobile-only-dropdown {
        display: block !important;
    }
}

/* ============================================
   HERO SECTION - MOBILE
   ============================================ */

@media (max-width: 768px) {
    .hero {
        padding: 2rem 0 3rem;
    }

    .hero-content-inner {
        flex-direction: column;
        gap: 1.5rem;
        text-align: center;
    }

    .hero-content-inner-left {
        width: 100%;
        padding: 0 1rem;
    }

    .hero-content-inner-left h1 {
        font-size: 1.75rem;
        margin-bottom: 1rem;
        line-height: 1.3;
    }

    .hero-content-inner-left p {
        font-size: 1rem;
        margin-bottom: 1.5rem;
        line-height: 1.7;
    }

    .hero-content-inner-right {
        width: 100%;
        padding: 0 1rem;
    }

    .hero-content-inner-right img {
        max-width: 100%;
        width: 90%;
        border-radius: 12px;
    }

    .hero-buttons {
        flex-direction: column;
        width: 100%;
        gap: 0.75rem;
        padding: 0 1rem;
    }

    .hero-buttons a {
        width: 100%;
        text-align: center;
        padding: 1rem;
        font-size: 1rem;
    }

    .tag {
        font-size: 0.85rem;
        padding: 0.5rem 1rem;
        margin-bottom: 1rem;
    }
}

/* ============================================
   FORMS - MOBILE OPTIMIZATION
   ============================================ */

@media (max-width: 768px) {
    /* Form containers */
    .register-container,
    .login-container {
        padding: 1rem 0;
        min-height: calc(100vh - 60px);
    }

    .register-content, .new_register-content,
    .login-box {
        padding: 0.5rem;
        margin: 0;
    }

    /* Form groups */
    .form-group {
        margin-bottom: 1.5rem;
    }

    .form-group label {
        font-size: 0.95rem;
        font-weight: 600;
        margin-bottom: 0.625rem;
        display: block;
    }

    /* Form controls - Touch-friendly */
    .form-control {
        width: 100%;
        padding: 0.875rem 1rem;
        font-size: 16px; /* Prevent iOS zoom */
        border: 2px solid #ddd;
        border-radius: 8px;
        transition: all 0.2s;
        -webkit-appearance: none;
        appearance: none;
    }

    .form-control:focus {
        border-color: #0066cc;
        box-shadow: 0 0 0 4px rgba(0, 102, 204, 0.1);
        outline: none;
    }

    /* Textarea */
    textarea.form-control {
        min-height: 120px;
        resize: vertical;
        line-height: 1.6;
    }

    /* Select dropdowns */
    select.form-control {
        background-color: #fff;
        background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23333' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
        background-repeat: no-repeat;
        background-position: right 1rem center;
        background-size: 12px;
        padding-right: 2.5rem;
    }

    /* Form rows - Stack on mobile */
    .form-row {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    /* Checkboxes and radio buttons - Larger touch targets */
    input[type="checkbox"],
    input[type="radio"] {
        width: 20px;
        height: 20px;
        min-width: 20px;
        min-height: 20px;
        margin-right: 0.75rem;
        cursor: pointer;
    }

    .checkbox-item,
    .payment-option {
        padding: 1rem;
        min-height: 44px;
        display: flex;
        align-items: center;
    }

    /* Upload areas */
    .upload-area {
        padding: 1.5rem 1rem;
        border-width: 2px;
        border-radius: 12px;
    }

    .upload-area small {
        font-size: 0.85rem;
        margin-top: 0.75rem;
        display: block;
    }

    .upload-preview {
        margin-bottom: 1rem;
    }

    .upload-preview img {
        max-width: 100%;
        max-height: 200px;
        border-radius: 8px;
    }
}

/* ============================================
   STEP INDICATOR - MOBILE
   ============================================ */

@media (max-width: 768px) {
    .register-steps {
        margin-bottom: 2rem;
    }

    .step-indicator {
        display: flex;
        flex-direction: row;
        overflow-x: auto;
        overflow-y: hidden;
        -webkit-overflow-scrolling: touch;
        gap: 0.5rem;
        margin-bottom: 2rem;
        padding: 0.5rem;
        /* Make scrollbar visible */
        scrollbar-width: thin;
        scrollbar-color: #0066cc #f0f0f0;
    }

    .step-indicator::-webkit-scrollbar {
        display: block;
        height: 8px;
    }

    .step-indicator::-webkit-scrollbar-track {
        background: #f0f0f0;
        border-radius: 4px;
    }

    .step-indicator::-webkit-scrollbar-thumb {
        background: #0066cc;
        border-radius: 4px;
    }

    .step-indicator::-webkit-scrollbar-thumb:hover {
        background: #0052a3;
    }

    .step-indicator::before {
        display: none; /* Hide connecting line on mobile */
    }

    .step {
        flex: 0 0 auto;
        min-width: 80px;
        margin-bottom: 0;
    }

    .step-circle {
        width: 44px;
        height: 44px;
        font-size: 1rem;
        margin-bottom: 0.5rem;
    }

    .step-label {
        font-size: 0.7rem;
        line-height: 1.3;
    }

    /* Keep horizontal layout even on very small screens, just make items smaller */
    @media (max-width: 480px) {
        .step {
            flex: 0 0 auto;
            min-width: 70px;
        }

        .step-circle {
            width: 36px;
            height: 36px;
            font-size: 0.85rem;
        }

        .step-label {
            font-size: 0.65rem;
        }
    }
}

/* ============================================
   REGISTRATION PAGE - MOBILE
   ============================================ */

@media (max-width: 768px) {
    .register-step {
        padding: 1.5rem;
        border-radius: 12px;
        margin: 0 0.5rem;
    }

    .register-step h1 {
        font-size: 1.5rem;
        margin-bottom: 0.75rem;
    }

    .step-description {
        font-size: 0.9rem;
        margin-bottom: 1.5rem;
    }

    /* Form sections */
    .form-section {
        margin-bottom: 2rem;
        padding-bottom: 1.5rem;
    }

    .form-section h3 {
        font-size: 1.1rem;
        margin-bottom: 1rem;
    }

    /* Greeting items */
    .greeting-item {
        padding: 1.25rem;
        margin-bottom: 1rem;
        border-radius: 12px;
    }

    .greeting-header {
        flex-wrap: wrap;
        gap: 0.5rem;
    }

    .greeting-actions {
        margin-left: auto;
    }

    .btn-move-up,
    .btn-move-down {
        min-width: 44px;
        min-height: 44px;
        padding: 0.5rem;
    }

    /* Tech tools grid */
    .tech-tools-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .tech-tool-card label {
        padding: 1.25rem;
        min-height: 120px;
        display: flex;
        flex-direction: column;
        justify-content: center;
    }

    .tool-icon {
        font-size: 2rem;
    }

    /* Communication grid - Mobile (SP) */
    .communication-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.75rem;
        margin-bottom: 1.5rem;
    }

    .communication-item {
        margin-bottom: 1rem;
    }

    .communication-checkbox {
        flex-direction: column;
        gap: 0.5rem;
        padding: 1rem 0.5rem;
        min-height: 120px;
        width: 100% !important;
        border-radius: 12px;
        transition: all 0.2s ease;
        -webkit-tap-highlight-color: transparent;
        position: relative;
    }

    .communication-checkbox:active {
        transform: scale(0.97);
        background: #f0f7ff;
    }

    .communication-checkbox input[type="checkbox"]:checked ~ .comm-icon,
    .communication-checkbox:has(input[type="checkbox"]:checked) {
        border-color: #0066cc;
        background: #f0f7ff;
        box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.15);
    }

    .comm-icon {
        font-size: 2rem;
        margin-bottom: 0.5rem;
        display: flex;
        align-items: center;
        justify-content: center;
        width: 52px;
        height: 52px;
        margin: 0 auto 0.5rem;
        transition: all 0.2s ease;
    }

    .comm-icon img {
        width: 52px;
        height: 52px;
        object-fit: contain;
    }

    .communication-checkbox input[type="checkbox"]:checked ~ .comm-icon,
    .communication-checkbox:has(input[type="checkbox"]:checked) {
        border-color: #0066cc;
        background: #f0f7ff;
        box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.15);
    }

    .communication-checkbox span {
        font-size: 0.875rem;
        font-weight: 600;
        color: #333;
        text-align: center;
        line-height: 1.3;
        display: block;
    }

    .comm-details {
        margin-top: 1rem;
        width: 100%;
        padding-top: 0.875rem;
        animation: slideDown 0.3s ease;
    }

    @keyframes slideDown {
        from {
            opacity: 0;
            transform: translateY(-10px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }

    .comm-details input {
        width: 100%;
        padding: 0.875rem;
        font-size: 16px; /* Prevent zoom on iOS */
        border: 2px solid #ddd;
        border-radius: 8px;
        min-height: 48px;
        transition: all 0.2s;
        background: #fff;
        -webkit-appearance: none;
        appearance: none;
    }

    .comm-details input:focus {
        outline: none;
        border-color: #0066cc;
        box-shadow: 0 0 0 4px rgba(0, 102, 204, 0.1);
        background: #fff;
    }

    .comm-details input::placeholder {
        color: #999;
        font-size: 0.9rem;
    }

    /* Form section improvements for mobile */
    .form-section {
        margin-bottom: 2rem;
        padding-bottom: 1.5rem;
    }

    .form-section h3 {
        font-size: 1.2rem;
        margin-bottom: 0.875rem;
        color: #333;
    }

    .section-note {
        font-size: 0.875rem;
        line-height: 1.7;
        margin-bottom: 1.25rem;
        color: #666;
    }

    /* Form actions - Mobile (SP) */
    .register-step {
        padding-bottom: 2rem; /* Normal padding at bottom of form */
    }

    .form-actions {
        flex-direction: column-reverse;
        gap: 0.875rem;
        margin-top: 2rem;
        padding-top: 1.5rem;
        padding-bottom: 1.25rem;
        position: relative; /* Changed from sticky to relative */
        background: #fff;
        /* border-top: 1px solid #e0e0e0; */
        box-shadow: none; /* Removed shadow since it's not sticky */
    }

    .form-actions button {
        width: 100%;
        min-height: 52px;
        font-size: 1rem;
        font-weight: 600;
        border-radius: 8px;
        transition: all 0.2s ease;
        -webkit-tap-highlight-color: transparent;
        display: flex;
        align-items: center;
        justify-content: center;
        box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    }

    .form-actions .btn-primary {
        background: #0066cc;
        color: #fff;
        border: none;
        order: 2;
        box-shadow: 0 4px 8px rgba(0, 102, 204, 0.3);
    }

    .form-actions .btn-primary:active {
        background: #0052a3;
        transform: scale(0.98);
        box-shadow: 0 2px 4px rgba(0, 102, 204, 0.2);
    }

    .form-actions .btn-secondary {
        background: #fff;
        color: #666;
        border: 2px solid #ddd;
        order: 1;
        box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    }

    .form-actions .btn-secondary:active {
        background: #f5f5f5;
        border-color: #bbb;
        transform: scale(0.98);
        color: #333;
    }

    /* Preview button */
    .btn-preview {
        width: 100%;
        margin-left: 0;
        margin-top: 1rem;
        min-height: 48px;
        box-shadow: 0 -2px 8px rgba(0, 0, 0, 0.1);
    }

    .preview-btn-container {
        text-align: center;
        width: 100%;
        position: sticky;
        bottom: 0;
        z-index: 100;
    }

    /* Preview container */
    .preview-container {
        margin: 1rem 0.5rem;
        padding: 0rem;
        border-radius: 12px;
    }

    .preview-header {
        margin-bottom: 1rem;
    }

    .btn-close-preview {
        width: 100%;
        min-height: 44px;
    }
}

/* ============================================
   EDIT PAGE - MOBILE
   ============================================ */

@media (max-width: 768px) {
    .edit-container {
        min-height: 100vh;
    }

    .edit-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
        padding: 1rem;
        position: sticky;
        top: 0;
        z-index: 100;
    }

    .edit-header h1 {
        font-size: 1.25rem;
    }

    .btn-back {
        width: 100%;
        text-align: center;
        min-height: 44px;
    }

    .edit-content {
        grid-template-columns: 1fr;
        padding: 1rem;
        gap: 1rem;
    }

    /* Sidebar becomes horizontal scrollable nav */
    /* Mobile User Menu Section in Hamburger Menu */
    .mobile-user-menu-section {
        border-top: 1px solid #e0e0e0;
        margin-top: 1rem;
        padding-top: 1rem;
    }

    .mobile-user-menu-section .dropdown-divider {
        height: 1px;
        background: #e0e0e0;
        margin: 0.5rem 0;
    }

    .mobile-user-menu-section .dropdown-section-header {
        padding: 0.5rem 1rem;
        font-weight: 600;
        font-size: 0.875rem;
        color: #666;
        text-transform: uppercase;
        letter-spacing: 0.5px;
    }

    .mobile-user-menu-section .dropdown-subscription-info {
        padding: 0.75rem 1rem;
        background: #f8f9fa;
        border-radius: 4px;
        margin: 0.5rem 0;
        font-size: 0.875rem;
    }

    .mobile-user-menu-section .subscription-status,
    .mobile-user-menu-section .subscription-next-billing {
        margin-bottom: 0.5rem;
    }

    .mobile-user-menu-section .status-badge {
        display: inline-block;
        padding: 2px 8px;
        border-radius: 4px;
        font-size: 0.75rem;
        font-weight: 600;
    }

    .mobile-user-menu-section .status-active {
        background: #d4edda;
        color: #155724;
    }

    .mobile-user-menu-section .status-trialing {
        background: #d1ecf1;
        color: #0c5460;
    }

    .mobile-user-menu-section .status-past_due {
        background: #fff3cd;
        color: #856404;
    }

    .mobile-user-menu-section .status-incomplete {
        background: #f8d7da;
        color: #721c24;
    }

    .mobile-user-menu-section .dropdown-button {
        width: 100%;
        text-align: left;
        background: none;
        border: none;
        padding: 1rem 1.5rem;
        cursor: pointer;
        font-size: 0.9rem;
        transition: background 0.2s;
    }

    .mobile-user-menu-section .dropdown-button:hover {
        background: #f0f7ff;
    }

    .edit-sidebar {
        position: static;
        order: 1;
        border-radius: 12px;
        padding: 0;
        overflow: hidden;
    }

    .edit-nav {
        flex-direction: row;
        overflow-x: auto;
        overflow-y: hidden;
        -webkit-overflow-scrolling: touch;
        padding: 0.75rem;
        gap: 0.5rem;
        /* Make scrollbar visible */
        scrollbar-width: thin;
        scrollbar-color: #0066cc #f0f0f0;
    }

    .edit-nav a {
        display: flex;
        flex-direction: column;
    }

    .edit-nav::-webkit-scrollbar {
        display: block;
        height: 8px;
    }

    .edit-nav::-webkit-scrollbar-track {
        background: #f0f0f0;
        border-radius: 4px;
    }

    .edit-nav::-webkit-scrollbar-thumb {
        background: #0066cc;
        border-radius: 4px;
    }

    .edit-nav::-webkit-scrollbar-thumb:hover {
        background: #0052a3;
    }

    .nav-item {
        flex-shrink: 0;
        padding: 0.75rem 1.25rem;
        border-left: none;
        border-bottom: 3px solid transparent;
        white-space: nowrap;
        font-size: 0.9rem;
        min-height: 44px;
        display: flex;
        align-items: center;
    }

    .nav-item.active {
        border-left: none;
        background: #f0f7ff;
    }

    /* Main content */
    .edit-main {
        order: 2;
        padding: 1.5rem;
        border-radius: 12px;
    }

    .edit-section h2 {
        font-size: 1.5rem;
        margin-bottom: 1.25rem;
        padding-bottom: 0.75rem;
    }

    /* Preview panel */
    .edit-preview {
        order: 3;
        position: static;
        padding: 1.5rem;
        border-radius: 12px;
    }

    .edit-preview h3 {
        font-size: 1.2rem;
        margin-bottom: 1rem;
    }

    #preview-content {
        min-height: 300px;
        padding: 0rem;
        border-radius: 8px;
    }

    /* Qualifications section */
    .qualifications-section {
        padding: 1.25rem;
    }

    /* Section note */
    .section-note {
        font-size: 0.85rem;
        padding: 1rem;
        line-height: 1.6;
    }
}

/* ============================================
   LOGIN PAGE - MOBILE
   ============================================ */

@media (max-width: 768px) {
    .login-container {
        padding: 1rem;
        align-items: flex-start;
        padding-top: 2rem;
    }

    .login-box {
        width: 100%;
        max-width: 100%;
        padding: 2rem 1.5rem;
        border-radius: 12px;
        margin: 0;
    }

    .login-box h1 {
        font-size: 1.5rem;
        margin-bottom: 1.5rem;
    }

    .form-group {
        margin-bottom: 1.5rem;
    }

    .form-control {
        font-size: 16px; /* Prevent iOS zoom */
    }

    .password-toggle {
        right: 1rem;
        padding: 0.5rem;
        min-width: 44px;
        min-height: 44px;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .login-link {
        margin-top: 1.5rem;
        font-size: 0.9rem;
    }

    .login-link a {
        display: inline-block;
        padding: 0.5rem;
        min-height: 44px;
        line-height: 1.5;
    }
}

/* ============================================
   LANDING PAGE - MOBILE
   ============================================ */

@media (max-width: 768px) {
    /* Features section */
    .features {
        padding: 2.5rem 0;
    }

    .features h2,
    .howto h2,
    .pricing h2,
    .tools-section h2 {
        font-size: 1.75rem;
        margin-bottom: 1rem;
        padding: 0 1rem;
    }

    .section-subtitle {
        font-size: 0.9rem;
        padding: 0 1rem;
        margin-bottom: 2rem;
    }

    .features-grid,
    .steps-grid,
    .pricing-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        padding: 0 1rem;
    }

    .feature-card,
    .step-card,
    .pricing-card {
        padding: 1.5rem;
        border-radius: 12px;
    }

    /* Philosophy Section - Mobile (SP) */
    .philosophy-section {
        padding: 3.5rem 0;
        background: linear-gradient(to bottom, #fafafa 0%, #ffffff 100%);
        position: relative;
        overflow: hidden;
    }

    .philosophy-section::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        height: 1px;
        background: linear-gradient(to right, transparent, rgba(0, 0, 0, 0.08), transparent);
        z-index: 1;
    }

    .philosophy-section::after {
        content: '';
        position: absolute;
        bottom: 0;
        left: 0;
        right: 0;
        height: 1px;
        background: linear-gradient(to right, transparent, rgba(0, 0, 0, 0.08), transparent);
        z-index: 1;
    }

    .philosophy-section .container {
        padding: 0 1.25rem;
        position: relative;
        z-index: 2;
    }

    .philosophy-images-row {
        grid-template-columns: 1fr;
        gap: 1.75rem;
        padding: 0;
        margin-bottom: 0;
        max-width: 100%;
    }

    .philosophy-image-wrapper {
        border-radius: 18px;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12),
                    0 4px 8px rgba(0, 0, 0, 0.08);
        transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1),
                box-shadow 0.35s cubic-bezier(0.4, 0, 0.2, 1),
                opacity 0.3s ease;
        overflow: hidden;
        background: #fff;
        position: relative;
        margin: 0 auto;
        max-width: 100%;
        width: 100%;
    }

    .philosophy-image-wrapper::after {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        border-radius: 18px;
        box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.8),
                    inset 0 0 0 1px rgba(0, 0, 0, 0.03);
        pointer-events: none;
        z-index: 1;
    }

    .philosophy-image-wrapper:active {
        transform: scale(0.98) translateY(2px);
        box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15),
                    0 2px 6px rgba(0, 0, 0, 0.1);
    }

    .philosophy-image-layer {
        padding-top: 75%;
        border-radius: 18px;
        overflow: hidden;
        position: relative;
        background: linear-gradient(135deg, #f5f5f5 0%, #fafafa 100%);
    }

    .philosophy-image-odd,
    .philosophy-image-even {
        border-radius: 18px;
        transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1);
        image-rendering: -webkit-optimize-contrast;
        image-rendering: crisp-edges;
        backface-visibility: hidden;
    }

    /* Ensure smooth animation on mobile */
    .philosophy-image-wrapper:nth-child(1) .philosophy-image-odd,
    .philosophy-image-wrapper:nth-child(1) .philosophy-image-even,
    .philosophy-image-wrapper:nth-child(2) .philosophy-image-odd,
    .philosophy-image-wrapper:nth-child(2) .philosophy-image-even,
    .philosophy-image-wrapper:nth-child(3) .philosophy-image-odd,
    .philosophy-image-wrapper:nth-child(3) .philosophy-image-even {
        will-change: opacity;
        -webkit-backface-visibility: hidden;
        backface-visibility: hidden;
        -webkit-transform: translateZ(0);
        transform: translateZ(0);
        -webkit-perspective: 1000px;
        perspective: 1000px;
    }

    /* Add subtle entrance animation */
    @keyframes fadeInUp {
        from {
            opacity: 0;
            transform: translateY(20px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }

    .philosophy-image-wrapper:nth-child(1) {
        animation: fadeInUp 0.6s ease-out 0.1s both;
    }

    .philosophy-image-wrapper:nth-child(2) {
        animation: fadeInUp 0.6s ease-out 0.2s both;
    }

    .philosophy-image-wrapper:nth-child(3) {
        animation: fadeInUp 0.6s ease-out 0.3s both;
    }

    /* DX Integration Section - Mobile (SP) */
    .dx-integration-section {
        padding: 3rem 0;
        background: linear-gradient(to bottom, #ffffff 0%, #fafafa 100%);
        position: relative;
    }

    .dx-integration-section::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        height: 1px;
        background: linear-gradient(to right, transparent, rgba(0, 0, 0, 0.08), transparent);
    }

    .dx-integration-content {
        padding: 3rem 1.5rem 2.5rem !important;
        max-width: 100%;
        background: #fff !important;
        border-radius: 1.5rem !important;
        box-shadow: 0px 2px 8px rgba(0, 0, 0, 0.15) !important;
        margin: 0 1rem;
    }

    .dx-tagline {
        font-size: 1.15rem;
        margin-bottom: 0.5rem;
        line-height: 1.6;
        padding: 0;
        text-align: center;
        color: #333;
        font-weight: 500;
        letter-spacing: 0.01em;
    }

    .dx-main-title {
        font-size: 2.4rem;
        margin-bottom: 0.5rem;
        line-height: 1.2;
        padding: 0;
        text-align: center;
        color: #e91e63;
        font-weight: 700;
        letter-spacing: 0.03em;
        text-shadow: 0 2px 4px rgba(233, 30, 99, 0.15);
        word-break: keep-all;
        overflow-wrap: break-word;
    }

    .dx-subtitle {
        font-size: 1rem;
        margin-bottom: 2.5rem;
        line-height: 1.6;
        padding: 0;
        text-align: center;
        color: #333;
        font-weight: 500;
    }

    .dx-product-info {
        flex-direction: column;
        gap: 0;
        /* padding: 1.5rem 0 0; */
        border: none;
        align-items: center;
        justify-content: center;
    }

    .dx-logo-wrapper {
        order: 1;
        width: 100%;
        display: flex;
        align-items: center;
        justify-content: center;
        padding: 0;
    }

    .dx-logo {
        width: 100%;
        max-width: 100%;
        height: auto;
        object-fit: contain;
        display: block;
        filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.1));
        transition: transform 0.3s ease, filter 0.3s ease;
    }

    .dx-logo:active {
        transform: scale(0.98);
        filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.15));
    }

    /* Automation Process Section - Mobile */
    .automation-section {
        padding: 3rem 0 !important;
        background: #ebebeb !important;
        background-image: url('../images/lp/image4.png') !important;
        background-size: cover !important;
        background-position: center !important;
        background-repeat: no-repeat !important;
        border-radius: 0 0 3rem 3rem !important;
    }

    .automation-content {
        flex-direction: column !important;
        align-items: center !important;
        justify-content: center !important;
    }

    .automation-title {
        font-size: 1.4rem !important;
        margin-bottom: 2rem !important;
        color: #fff !important;
        text-align: center !important;
    }

    .automation-title::after {
        width: 60% !important;
        height: 2px !important;
        background: #333 !important;
    }

    .automation-grid {
        display: flex !important;
        flex-direction: column !important;
        gap: 2rem !important;
        max-width: 100% !important;
        margin: 0 auto !important;
        padding: 0 1rem !important;
    }

    .automation-card-wrapper {
        flex-direction: column !important;
        align-items: flex-start !important;
        gap: 0.5rem !important;
        width: 100% !important;
    }

    .automation-card-wrapper .automation-card-content:first-child {
        margin-bottom: 0.5rem;
    }

    .automation-card-wrapper .automation-card-content:first-child h3 {
        color: #fff !important;
        font-size: 0.9rem !important;
        margin-bottom: 0 !important;
    }

    .automation-card {
        padding: 1.5rem 0 !important;
        flex-direction: row !important;
        align-items: center !important;
        justify-content: flex-start !important;
        gap: 1.5rem !important;
        border-bottom: 1px solid rgba(255, 255, 255, 0.3) !important;
        width: 100% !important;
        max-width: 100% !important;
    }

    .automation-card:last-child {
        border-bottom: none !important;
    }

    .automation-card-icon {
        flex-shrink: 0;
    }

    .automation-icon {
        width: 70px !important;
        height: 70px !important;
        margin-bottom: 0 !important;
        background-color: #fff !important;
        border-radius: 50% !important;
    }

    .automation-card-content {
        flex: 1;
    }

    .automation-card-title {
        font-size: 0.95rem !important;
        margin-bottom: 0.5rem !important;
        color: #fff !important;
        text-align: left !important;
    }

    .automation-subtitle {
        font-size: 0.85rem !important;
        color: #fff !important;
    }

    .automation-description {
        font-size: 0.85rem !important;
        line-height: 1.6 !important;
        color: #fff !important;
        text-align: left !important;
        width: 100% !important;
    }

    .dx-product-name-wrapper {
        order: 2;
        flex-direction: column;
        gap: 0.75rem;
        align-items: center;
    }

    .dx-tool-label {
        font-size: 0.9rem;
    }

    .dx-product-name {
        font-size: 1.65rem;
        line-height: 1.3;
    }

    .dx-ai-highlight::after {
        height: 2px;
    }

    /* Tools section */
    .tools-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
        padding: 0 1rem;
    }

    .tool-card {
        padding: 1.5rem;
    }

    .communication-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
        padding: 0 1rem;
    }

    /* Communication Category - Mobile */
    .communication-category {
        padding: 2.5rem 1.5rem !important;
        border-radius: 24px !important;
        height: auto !important;
        min-height: auto !important;
    }

    .communication-list {
        grid-template-columns: repeat(3, 1fr) !important;
        gap: 0.875rem !important;
        margin-bottom: 2rem !important;
    }

    .communication-list li {
        width: 70px !important;
        height: 70px !important;
        border-radius: 16px !important;
    }

    .communication-list li img {
        width: 55% !important;
    }

    .category-future {
        font-size: 0.75rem !important;
        margin-top: 0.75rem !important;
        padding-top: 0.75rem !important;
        line-height: 1.6 !important;
    }

    /* Video section */
    .video-container {
        padding: 0 1rem;
    }

    .video-wrapper {
        border-radius: 12px;
    }

    /* CTA section */
    .cta {
        padding: 3rem 1rem;
    }

    .cta h2 {
        font-size: 1.75rem;
        margin-bottom: 1rem;
    }

    .cta-buttons {
        flex-direction: column;
        gap: 0.75rem;
        padding: 0 1rem;
    }

    .cta-buttons a {
        width: 100%;
        text-align: center;
        padding: 1rem;
    }

    /* Footer */
    .footer {
        padding: 2.5rem 1rem 1rem;
    }

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

    .footer-section h4 {
        font-size: 1.1rem;
        margin-bottom: 0.75rem;
    }
}

/* ============================================
   CARD PREVIEW - MOBILE
   ============================================ */

@media (max-width: 768px) {
    .preview-profile-section {
        flex-direction: column;
        align-items: center;
        text-align: center;
        gap: 1rem;
    }

    .preview-photo img {
        width: 120px;
        height: 120px;
    }

    .preview-person-name {
        font-size: 1.25rem;
    }

    .preview-info-item {
        flex-direction: column;
        gap: 0.25rem;
        align-items: flex-start;
    }

    .preview-info-item strong {
        min-width: auto;
        font-size: 0.9rem;
    }

    .preview-tech-tools-grid,
    .preview-comm-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .preview-tech-tool-item,
    .preview-comm-item {
        padding: 1.25rem;
    }
}

/* ============================================
   TABLET OPTIMIZATIONS (481px - 1024px)
   ============================================ */
@media (min-width: 481px) and (max-width: 1024px) {
    /* Philosophy Section - Tablet */
    .philosophy-section {
        padding: 4rem 0;
        background: linear-gradient(to bottom, #fafafa 0%, #ffffff 100%);
        position: relative;
        overflow: hidden;
    }

    .philosophy-section::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        height: 1px;
        background: linear-gradient(to right, transparent, rgba(0, 0, 0, 0.08), transparent);
        z-index: 1;
    }

    .philosophy-section::after {
        content: '';
        position: absolute;
        bottom: 0;
        left: 0;
        right: 0;
        height: 1px;
        background: linear-gradient(to right, transparent, rgba(0, 0, 0, 0.08), transparent);
        z-index: 1;
    }

    .philosophy-section .container {
        position: relative;
        z-index: 2;
    }

    .philosophy-images-row {
        grid-template-columns: 1fr;
        gap: 1.75rem;
        padding: 0 2rem;
        margin-bottom: 0;
        max-width: 100%;
    }

    .philosophy-image-wrapper {
        border-radius: 16px;
        box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1),
                    0 3px 6px rgba(0, 0, 0, 0.06);
        transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1),
                box-shadow 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        overflow: hidden;
        background: #fff;
        position: relative;
        max-width: 600px;
        margin: 0 auto;
        width: 100%;
    }

    .philosophy-image-wrapper::after {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        border-radius: 16px;
        box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.8),
                    inset 0 0 0 1px rgba(0, 0, 0, 0.03);
        pointer-events: none;
        z-index: 1;
    }

    .philosophy-image-wrapper:hover {
        transform: translateY(-4px);
        box-shadow: 0 12px 32px rgba(0, 0, 0, 0.15),
                    0 4px 8px rgba(0, 0, 0, 0.1);
    }

    .philosophy-image-wrapper:active {
        transform: translateY(-2px);
        box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12),
                    0 3px 6px rgba(0, 0, 0, 0.08);
    }

    .philosophy-image-layer {
        padding-top: 75%;
        border-radius: 16px;
        overflow: hidden;
        position: relative;
        background: linear-gradient(135deg, #f5f5f5 0%, #fafafa 100%);
    }

    .philosophy-image-odd,
    .philosophy-image-even {
        border-radius: 16px;
        transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1);
        image-rendering: -webkit-optimize-contrast;
        image-rendering: crisp-edges;
        backface-visibility: hidden;
    }

    /* Ensure smooth animation on tablet */
    .philosophy-image-wrapper:nth-child(1) .philosophy-image-odd,
    .philosophy-image-wrapper:nth-child(1) .philosophy-image-even,
    .philosophy-image-wrapper:nth-child(2) .philosophy-image-odd,
    .philosophy-image-wrapper:nth-child(2) .philosophy-image-even,
    .philosophy-image-wrapper:nth-child(3) .philosophy-image-odd,
    .philosophy-image-wrapper:nth-child(3) .philosophy-image-even {
        will-change: opacity;
        -webkit-backface-visibility: hidden;
        backface-visibility: hidden;
        -webkit-transform: translateZ(0);
        transform: translateZ(0);
    }

    .philosophy-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
        padding: 0 1.5rem;
    }

    .philosophy-card {
        max-width: 600px;
        margin: 0 auto;
    }

    /* DX Integration Section - Tablet */
    .dx-integration-section {
        padding: 4rem 0;
        background: linear-gradient(to bottom, #ffffff 0%, #fafafa 100%);
        position: relative;
    }

    .dx-integration-section::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        height: 1px;
        background: linear-gradient(to right, transparent, rgba(0, 0, 0, 0.08), transparent);
    }

    .dx-integration-content {
        padding: 4rem 3rem 3.5rem !important;
        max-width: 100%;
        background: #fff !important;
        border-radius: 2rem !important;
        box-shadow: 0px 3px 12px rgba(0, 0, 0, 0.2) !important;
        margin: 0 2rem;
    }

    .dx-tagline {
        font-size: 1.35rem;
        margin-bottom: 0.5rem;
        line-height: 1.6;
        text-align: center;
        color: #333;
        font-weight: 500;
        letter-spacing: 0.01em;
    }

    .dx-main-title {
        font-size: 3.2rem;
        margin-bottom: 0.5rem;
        line-height: 1.2;
        padding: 0;
        text-align: center;
        color: #e91e63;
        font-weight: 700;
        letter-spacing: 0.04em;
        text-shadow: 0 2px 4px rgba(233, 30, 99, 0.15);
        word-break: keep-all;
        overflow-wrap: break-word;
    }

    .dx-subtitle {
        font-size: 1.35rem;
        margin-bottom: 2.5rem;
        line-height: 1.6;
        text-align: center;
        color: #333;
        font-weight: 500;
    }

    .dx-product-info {
        gap: 0;
        /* padding: 1.5rem 0 0; */
        border: none;
        align-items: center;
        justify-content: center;

    }

    .dx-logo-wrapper {
        width: 100%;
        display: flex;
        align-items: center;
        justify-content: center;
        padding: 0;
    }

    .dx-logo {
        width: 100%;
        max-width: 400px;
        height: auto;
        object-fit: contain;
        display: block;
        filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.1));
        transition: transform 0.3s ease, filter 0.3s ease;
    }

    .dx-logo:hover {
        transform: scale(1.02);
        filter: drop-shadow(0 6px 12px rgba(0, 0, 0, 0.15));
    }

    .dx-product-name {
        font-size: 1.9rem;
    }

    /* Automation Process Section - Tablet */
    .automation-section {
        padding: 4rem 0 !important;
        background: #ebebeb !important;
        background-image: url('../images/lp/image4.png') !important;
        background-size: cover !important;
        background-position: center !important;
        background-repeat: no-repeat !important;
        border-radius: 0 0 3rem 3rem !important;
    }

    .automation-content {
        flex-direction: column !important;
        align-items: center !important;
        justify-content: center !important;
    }

    .automation-title {
        font-size: 1.5rem !important;
        margin-bottom: 2.5rem !important;
        color: #fff !important;
        text-align: center !important;
    }

    .automation-title::after {
        width: 60% !important;
        height: 2px !important;
        background: #333 !important;
    }

    .automation-grid {
        display: flex !important;
        flex-direction: column !important;
        gap: 2.5rem !important;
        max-width: 100% !important;
        margin: 0 auto !important;
        padding: 0 2rem !important;
    }

    .automation-card-wrapper {
        flex-direction: column !important;
        align-items: flex-start !important;
        gap: 0.75rem !important;
        width: 100% !important;
    }

    .automation-card-wrapper .automation-card-content:first-child h3 {
        color: #fff !important;
        font-size: 0.95rem !important;
        margin-bottom: 0 !important;
    }

    .automation-card {
        padding: 2rem 0 !important;
        flex-direction: row !important;
        align-items: center !important;
        justify-content: flex-start !important;
        gap: 2rem !important;
        border-bottom: 1px solid rgba(255, 255, 255, 0.3) !important;
        width: 100% !important;
        max-width: 100% !important;
    }

    .automation-card:last-child {
        border-bottom: none !important;
    }

    .automation-card-icon {
        flex-shrink: 0;
    }

    .automation-icon {
        width: 85px !important;
        height: 85px !important;
        margin-bottom: 0 !important;
        background-color: #fff !important;
        border-radius: 50% !important;
    }

    .automation-card-content {
        flex: 1;
    }

    .automation-card-title {
        font-size: 1rem !important;
        margin-bottom: 0.75rem !important;
        color: #fff !important;
        text-align: left !important;
    }

    .automation-subtitle {
        font-size: 0.9rem !important;
        color: #fff !important;
    }

    .automation-description {
        font-size: 0.95rem !important;
        line-height: 1.7 !important;
        color: #fff !important;
        text-align: left !important;
        width: 100% !important;
    }

    /* Communication section - Tablet */
    .communication-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 1rem;
        margin-bottom: 2rem;
    }

    .communication-item {
        margin-bottom: 1.25rem;
    }

    .communication-checkbox {
        flex-direction: column;
        gap: 0.75rem;
        padding: 1.25rem 1rem;
        min-height: 140px;
        width: 100% !important;
        border-radius: 12px;
        transition: all 0.2s ease;
    }

    .communication-checkbox:hover {
        transform: translateY(-2px);
        box-shadow: 0 4px 12px rgba(0, 102, 204, 0.15);
    }

    .comm-icon {
        font-size: 2.5rem;
        margin-bottom: 0.75rem;
        display: flex;
        align-items: center;
        justify-content: center;
        width: 60px;
        height: 60px;
        margin: 0 auto 0.75rem;
        transition: all 0.2s ease;
    }

    .comm-icon img {
        width: 60px;
        height: 60px;
        object-fit: contain;
    }

    .communication-checkbox span {
        font-size: 0.95rem;
        font-weight: 600;
        color: #333;
        text-align: center;
        line-height: 1.4;
    }

    .comm-details {
        margin-top: 1.25rem;
        width: 100%;
        padding-top: 1rem;
        animation: slideDown 0.3s ease;
    }

    .comm-details input {
        width: 100%;
        padding: 0.875rem;
        font-size: 16px;
        border: 2px solid #ddd;
        border-radius: 8px;
        min-height: 48px;
        transition: all 0.2s;
    }

    .comm-details input:focus {
        outline: none;
        border-color: #0066cc;
        box-shadow: 0 0 0 4px rgba(0, 102, 204, 0.1);
    }

    /* Form section spacing for tablet */
    .form-section {
        margin-bottom: 2.5rem;
        padding-bottom: 2rem;
    }

    .form-section h3 {
        font-size: 1.3rem;
        margin-bottom: 1.25rem;
    }

    .section-note {
        font-size: 0.95rem;
        line-height: 1.7;
        margin-bottom: 1.5rem;
    }

    /* Form actions - Tablet */
    .form-actions {
        display: flex;
        flex-direction: row;
        gap: 1rem;
        justify-content: flex-end;
        margin-top: 2.5rem;
        padding-top: 2rem;
        border-top: 1px solid #e0e0e0;
        position: relative;
        background: transparent;
        box-shadow: none;
        margin-left: 0;
        margin-right: 0;
        padding-left: 0;
        padding-right: 0;
    }

    .form-actions button {
        min-width: 160px;
        min-height: 52px;
        font-size: 1rem;
        font-weight: 600;
        border-radius: 8px;
        transition: all 0.2s ease;
        padding: 0.875rem 2rem;
        box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    }

    .form-actions .btn-primary {
        background: #0066cc;
        color: #fff;
        border: none;
        order: 0;
        box-shadow: 0 4px 8px rgba(0, 102, 204, 0.3);
    }

    .form-actions .btn-primary:hover {
        background: #0052a3;
        transform: translateY(-1px);
        box-shadow: 0 6px 12px rgba(0, 102, 204, 0.4);
    }

    .form-actions .btn-primary:active {
        transform: translateY(0);
        box-shadow: 0 2px 4px rgba(0, 102, 204, 0.2);
    }

    .form-actions .btn-secondary {
        background: #fff;
        color: #666;
        border: 2px solid #ddd;
        order: 0;
        box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    }

    .form-actions .btn-secondary:hover {
        background: #f8f9fa;
        border-color: #0066cc;
        color: #0066cc;
        transform: translateY(-1px);
        box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    }

    .form-actions .btn-secondary:active {
        transform: translateY(0);
        box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    }
}

/* ============================================
   TOUCH INTERACTIONS & ANIMATIONS
   ============================================ */

@media (max-width: 768px) {
    /* Better touch feedback */
    button,
    a,
    .btn-primary,
    .btn-secondary,
    .btn-outline,
    .checkbox-item,
    .tech-tool-card label,
    .communication-checkbox {
        -webkit-tap-highlight-color: rgba(0, 102, 204, 0.1);
        touch-action: manipulation;
    }

    /* Active states for better feedback */
    button:active,
    .btn-primary:active,
    .btn-secondary:active {
        transform: scale(0.98);
        transition: transform 0.1s;
    }

    /* Smooth scrolling */
    html {
        scroll-behavior: smooth;
        -webkit-overflow-scrolling: touch;
    }

    /* Prevent text selection on buttons */
    button,
    .btn-primary,
    .btn-secondary,
    .btn-outline {
        -webkit-user-select: none;
        user-select: none;
    }
}

/* ============================================
   VERY SMALL SCREENS (320px - 480px)
   ============================================ */

@media (max-width: 480px) {
    body {
        font-size: 15px;
    }

    h1 {
        font-size: 1.5rem;
    }

    h2 {
        font-size: 1.35rem;
    }

    h3 {
        font-size: 1.15rem;
    }

    .container {
        padding: 0 12px;
    }

    .register-step,
    .edit-main,
    .login-box {
        padding: 1.25rem;
    }

    .form-control {
        padding: 0.75rem;
        font-size: 16px;
    }

    .btn-primary,
    .btn-secondary,
    .btn-outline {
        padding: 0.75rem 1.25rem;
        font-size: 0.95rem;
    }

    .step-circle {
        width: 40px;
        height: 40px;
        font-size: 0.9rem;
    }

    .step-label {
        font-size: 0.65rem;
    }

    .communication-grid {
        grid-template-columns: repeat(1, 1fr);
        gap: 0.75rem;
    }

    .tech-tools-grid {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   LANDSCAPE ORIENTATION OPTIMIZATIONS
   ============================================ */

@media (max-width: 768px) and (orientation: landscape) {
    .hero {
        padding: 1.5rem 0;
    }

    .hero-content-inner-left h1 {
        font-size: 1.5rem;
    }

    .register-step,
    .edit-main {
        padding: 1.5rem;
    }

    .step-indicator {
        margin-bottom: 1.5rem;
    }
}

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

@media (max-width: 768px) {
    /* Focus indicators */
    *:focus-visible {
        outline: 3px solid #0066cc;
        outline-offset: 2px;
        border-radius: 4px;
    }

    /* Skip to content link */
    .skip-to-content {
        position: absolute;
        top: -40px;
        left: 0;
        background: #0066cc;
        color: #fff;
        padding: 0.5rem 1rem;
        text-decoration: none;
        z-index: 10000;
    }

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

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

@media (max-width: 768px) {
    /* Reduce animations on low-end devices */
    @media (prefers-reduced-motion: reduce) {
        *,
        *::before,
        *::after {
            animation-duration: 0.01ms !important;
            animation-iteration-count: 1 !important;
            transition-duration: 0.01ms !important;
        }
    }

    /* Optimize images */
    img {
        max-width: 100%;
        height: auto;
        display: block;
    }

    /* Prevent layout shifts */
    .upload-preview {
        min-height: 150px;
    }
}

/* ============================================
   ADDITIONAL MOBILE ENHANCEMENTS
   ============================================ */

@media (max-width: 768px) {
    /* Better modal/overlay experience */
    .registration-modal {
        padding: 1rem;
    }

    .registration-modal .modal-content {
        width: 100%;
        max-width: 100%;
        margin: 0;
        border-radius: 12px 12px 0 0;
    }

    .registration-modal .modal-body {
        padding: 2rem 1.5rem;
        font-size: 1rem;
    }

    .registration-modal .modal-footer {
        padding: 0 1.5rem 1.5rem;
    }

    /* Better table experience (if any) */
    table {
        display: block;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        white-space: nowrap;
    }

    /* Improve card layouts */
    .feature-card,
    .step-card,
    .tool-card,
    .pricing-card {
        margin-bottom: 1.5rem;
    }

    /* Better spacing for lists */
    ul, ol {
        padding-left: 1.5rem;
    }

    li {
        margin-bottom: 0.5rem;
        line-height: 1.6;
    }

    /* Improve section spacing */
    .section-subtitle {
        padding: 0 1rem;
    }

    /* Better button groups */
    .btn-group {
        display: flex;
        flex-direction: column;
        gap: 0.75rem;
        width: 100%;
    }

    .btn-group .btn-primary,
    .btn-group .btn-secondary {
        width: 100%;
    }

    /* Improve input groups */
    .input-group {
        display: flex;
        flex-direction: column;
        gap: 0.75rem;
    }

    /* Better file input styling */
    input[type="file"] {
        font-size: 16px; /* Prevent iOS zoom */
    }

    /* Improve date/time inputs */
    input[type="date"],
    input[type="time"],
    input[type="datetime-local"] {
        font-size: 16px; /* Prevent iOS zoom */
        padding: 0.875rem;
    }

    /* Better select styling */
    select {
        font-size: 16px; /* Prevent iOS zoom */
        padding: 0.875rem 2.5rem 0.875rem 1rem;
    }

    /* Improve number inputs */
    input[type="number"] {
        font-size: 16px; /* Prevent iOS zoom */
    }

    /* Better link styling */
    a {
        -webkit-tap-highlight-color: rgba(0, 102, 204, 0.1);
    }

    /* Improve scrollbar on mobile (if visible) */
    ::-webkit-scrollbar {
        width: 8px;
        height: 8px;
    }

    ::-webkit-scrollbar-track {
        background: #f1f1f1;
    }

    ::-webkit-scrollbar-thumb {
        background: #888;
        border-radius: 4px;
    }

    ::-webkit-scrollbar-thumb:hover {
        background: #555;
    }
}

/* ============================================
   CARD PAGE - MOBILE OPTIMIZATION
   ============================================ */

@media (max-width: 768px) {
    /* Card container */
    .card-container {
        padding: 0.5rem;
    }

    /* Card section */
    .card-section {
        border-radius: 12px;
        margin-bottom: 1.5rem;
    }

    .card-header {
        padding: 1.5rem 1rem;
    }

    .company-logo {
        max-width: 100px;
        max-height: 100px;
    }

    .company-name {
        font-size: 1.25rem;
    }

    .card-body {
        padding: 1.5rem 1rem;
    }

    .profile-photo {
        width: 120px;
        height: 120px;
        margin-bottom: 1rem;
    }

    .person-name {
        font-size: 1.5rem;
    }

    .person-position {
        font-size: 1rem;
    }

    .person-qualification {
        font-size: 0.9rem;
    }

    /* Greetings */
    .greeting-item {
        padding: 1.25rem;
        margin-bottom: 0.75rem;
    }

    .greeting-item h3 {
        font-size: 1.1rem;
        margin-bottom: 0.5rem;
    }

    .greeting-item p {
        font-size: 0.9rem;
        line-height: 1.7;
    }

    /* Greeting Pagination - Mobile */
    .greeting-pagination-container {
        min-height: 150px;
    }

    .greeting-pagination-controls {
        flex-wrap: wrap;
        gap: 1rem;
        margin-top: 1.5rem;
        padding-top: 1.25rem;
    }

    .greeting-pagination-btn {
        padding: 0.5rem 0.75rem;
        font-size: 0.8rem;
        min-width: 70px;
        min-height: 36px; /* Smaller but still touch-friendly */
    }

    .greeting-pagination-btn span {
        font-size: 1rem;
    }

    .greeting-pagination-controls {
        gap: 1rem;
        margin-top: 1.5rem;
        padding-top: 1rem;
    }

    .greeting-pagination-info {
        font-size: 0.85rem;
        gap: 0.3rem;
    }

    .greeting-page-number {
        font-size: 1rem;
    }

    /* Communication section */
    .communication-section h3 {
        font-size: 1.2rem;
        margin-bottom: 0.75rem;
    }

    .communication-buttons {
        flex-direction: column;
        gap: 0.5rem;
    }

    .comm-btn {
        width: 100%;
        justify-content: center;
        padding: 0.875rem 1rem;
        font-size: 0.95rem;
    }

    .comm-icon {
        font-size: 1.1rem;
    }

    /* Tech tools section */
    .tech-tools-section {
        padding: 1.5rem 1rem;
        border-radius: 12px;
        margin-bottom: 1.5rem;
    }

    .tech-tools-section h2 {
        font-size: 1.5rem;
        margin-bottom: 0.5rem;
    }

    .section-description {
        font-size: 0.9rem;
        margin-bottom: 1.5rem;
    }

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

    .tech-tool-card {
        padding: 1.25rem 1rem;
        min-height: 120px;
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
    }

    .tool-icon {
        font-size: 2.5rem;
        margin-bottom: 0.75rem;
    }

    .tech-tool-card h3 {
        font-size: 0.9rem;
        text-align: center;
        line-height: 1.4;
    }

    /* Edit link */
    .edit-link {
        padding: 1rem;
        margin-top: 1.5rem;
    }

    .edit-link a {
        font-size: 0.9rem;
        padding: 0.5rem;
        display: inline-block;
        min-height: 44px;
        line-height: 1.5;
    }
}

/* Very small screens */
@media (max-width: 480px) {
    /* Philosophy Section - Very Small Screens */
    .philosophy-section {
        padding: 3rem 0;
    }

    .philosophy-section .container {
        padding: 0 1rem;
    }

    .philosophy-images-row {
        gap: 1.5rem;
        margin-bottom: 0;
    }

    .philosophy-image-wrapper {
        border-radius: 16px;
        box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12),
                    0 3px 6px rgba(0, 0, 0, 0.08);
    }

    .philosophy-image-wrapper::after {
        border-radius: 16px;
    }

    .philosophy-image-layer {
        padding-top: 75%;
        border-radius: 16px;
    }

    .philosophy-image-odd,
    .philosophy-image-even {
        border-radius: 16px;
    }

    /* DX Integration Section - Very Small Screens */
    .dx-integration-section {
        padding: 2.5rem 0;
    }

    .dx-integration-content {
        padding: 0 1rem;
    }

    .dx-tagline {
        font-size: 1.05rem;
        margin-bottom: 0.4rem;
        line-height: 1.5;
        padding: 0;
    }

    .dx-main-title {
        font-size: 2rem;
        margin-bottom: 0.4rem;
        line-height: 1.2;
        padding: 0;
    }

    .dx-subtitle {
        font-size: 1.05rem;
        margin-bottom: 1.75rem;
        line-height: 1.5;
        padding: 0;
    }

    .dx-logo {
        max-width: 240px;
    }

    .dx-product-info {
        gap: 1rem;
        /* padding: 1.75rem 0.75rem; */
    }

    .dx-logo {
        width: 30rem;
    }

    /* Automation Process Section - Very Small Screens */
    .automation-section {
        padding: 2.5rem 0 !important;
        background: #ebebeb !important;
        background-image: url('../images/lp/image4.png') !important;
        background-size: cover !important;
        background-position: center !important;
        background-repeat: no-repeat !important;
        border-radius: 0 0 3rem 3rem !important;
    }

    .automation-content {
        flex-direction: column !important;
    }

    .automation-title {
        font-size: 1.2rem !important;
        margin-bottom: 1.5rem !important;
        color: #fff !important;
    }

    .automation-title::after {
        width: 50% !important;
        background: #333 !important;
    }

    .automation-grid {
        gap: 1.5rem !important;
        padding: 0 0.875rem !important;
    }

    .automation-card-wrapper {
        flex-direction: column !important;
        gap: 0.5rem !important;
    }

    .automation-card-wrapper .automation-card-content:first-child h3 {
        color: #fff !important;
        font-size: 0.85rem !important;
    }

    .automation-card {
        padding: 1.25rem 0 !important;
        flex-direction: row !important;
        gap: 1rem !important;
        border-bottom: 1px solid rgba(255, 255, 255, 0.3) !important;
    }

    .automation-icon {
        width: 60px !important;
        height: 60px !important;
        margin-bottom: 0 !important;
        background-color: #fff !important;
    }

    .automation-card-title {
        font-size: 0.85rem !important;
        margin-bottom: 0.5rem !important;
        color: #fff !important;
    }

    .automation-subtitle {
        font-size: 0.75rem !important;
        color: #fff !important;
    }

    .automation-description {
        font-size: 0.8rem !important;
        color: #fff !important;
        line-height: 1.6;
    }

    .dx-tool-label {
        font-size: 0.85rem;
    }

    .dx-product-name {
        font-size: 1.5rem;
    }

    .card-container {
        padding: 0.25rem;
    }

    .card-header {
        padding: 1.25rem 0.75rem;
    }

    .card-body {
        padding: 1.25rem 0.75rem;
    }

    .company-logo {
        max-width: 80px;
        max-height: 80px;
    }

    .company-name {
        font-size: 1.1rem;
    }

    .profile-photo {
        width: 100px;
        height: 100px;
    }

    .person-name {
        font-size: 1.35rem;
    }

    .tech-tools-grid {
        grid-template-columns: 1fr;
        gap: 0.75rem;
    }

    .tech-tool-card {
        padding: 1rem 0.75rem;
        min-height: 100px;
    }

    .tool-icon {
        font-size: 2rem;
    }

    .tech-tool-card h3 {
        font-size: 0.85rem;
    }

    .greeting-item {
        padding: 1rem;
    }

    .greeting-item h3 {
        font-size: 1rem;
    }

    .greeting-item p {
        font-size: 0.85rem;
    }

    /* Communication Category - Very Small Screens */
    .communication-category {
        padding: 2rem 1.25rem !important;
        border-radius: 20px !important;
    }

    .communication-list {
        grid-template-columns: repeat(3, 1fr) !important;
        gap: 0.625rem !important;
        margin-bottom: 1.5rem !important;
    }

    .communication-list li {
        width: 60px !important;
        height: 60px !important;
        border-radius: 12px !important;
    }

    .communication-list li img {
        width: 50% !important;
    }

    .category-future {
        font-size: 0.7rem !important;
        margin-top: 0.5rem !important;
        padding-top: 0.5rem !important;
        line-height: 1.5 !important;
    }
}

/* ============================================
   SAFE AREA INSETS (for notched devices)
   ============================================ */

@supports (padding: max(0px)) {
    @media (max-width: 768px) {
        .header {
            padding-left: max(1rem, env(safe-area-inset-left));
            padding-right: max(1rem, env(safe-area-inset-right));
        }

        .container {
            padding-left: max(16px, env(safe-area-inset-left));
            padding-right: max(16px, env(safe-area-inset-right));
        }

        .mobile-menu-panel {
            padding-top: env(safe-area-inset-top);
            padding-bottom: env(safe-area-inset-bottom);
        }

        .card-container {
            padding-left: max(0.5rem, env(safe-area-inset-left));
            padding-right: max(0.5rem, env(safe-area-inset-right));
        }
    }
}