:root {
            /* Light Mode Colors (Default matching Flikata App) */
            --bg-main: #f0f5ff;
            --bg-secondary: #e5edff;
            --card-bg: #ffffff;
            --card-border: rgba(255, 255, 255, 0.95);
            --input-bg: #f8fafc;
            --text-primary: #0f172a;
            --text-secondary: #475569;
            --primary-blue: #0056ff;
            --primary-light: #3b82f6;
            --primary-dark: #003eba;
            --accent-green: #10b981;
            
            /* 3D Shadows for Light Mode */
            --shadow-3d: 0 18px 35px -12px rgba(0, 86, 255, 0.14), 
                         0 8px 16px -8px rgba(15, 23, 42, 0.07),
                         inset 0 2px 4px rgba(255, 255, 255, 0.95),
                         inset 0 -3px 6px rgba(0, 86, 255, 0.06);
            --shadow-inset: inset 0 4px 8px rgba(0, 40, 120, 0.08),
                            inset 0 -2px 4px rgba(255, 255, 255, 0.9);
            --shadow-btn: 0 12px 24px -6px rgba(0, 86, 255, 0.45),
                          inset 0 2px 3px rgba(255, 255, 255, 0.4),
                          inset 0 -4px 6px rgba(0, 40, 150, 0.4);
            --nav-bg: rgba(255, 255, 255, 0.9);
        }

        [data-theme="dark"] {
            /* Dark Mode Colors */
            --bg-main: #090e1a;
            --bg-secondary: #111827;
            --card-bg: #1a2336;
            --card-border: rgba(255, 255, 255, 0.08);
            --input-bg: #0f172a;
            --text-primary: #f8fafc;
            --text-secondary: #94a3b8;
            --primary-blue: #2563eb;
            --primary-light: #60a5fa;
            --primary-dark: #1d4ed8;
            
            /* 3D Shadows for Dark Mode */
            --shadow-3d: 0 18px 35px -12px rgba(0, 0, 0, 0.7), 
                         0 8px 16px -8px rgba(0, 0, 0, 0.5),
                         inset 0 1px 2px rgba(255, 255, 255, 0.1),
                         inset 0 -3px 6px rgba(0, 0, 0, 0.5);
            --shadow-inset: inset 0 4px 8px rgba(0, 0, 0, 0.6),
                            inset 0 -1px 2px rgba(255, 255, 255, 0.05);
            --shadow-btn: 0 12px 24px -6px rgba(37, 99, 235, 0.5),
                          inset 0 2px 3px rgba(255, 255, 255, 0.3),
                          inset 0 -4px 6px rgba(0, 0, 0, 0.4);
            --nav-bg: rgba(17, 24, 39, 0.9);
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Noto Sans Bengali', 'Plus Jakarta Sans', sans-serif;
            font-variant-numeric: tabular-nums;
            -webkit-font-smoothing: antialiased;
            transition: background-color 0.3s ease, color 0.3s ease, box-shadow 0.3s ease;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            background-color: var(--bg-main);
            color: var(--text-primary);
            overflow-x: hidden;
            background-image: 
                radial-gradient(circle at 10% 20%, rgba(0, 86, 255, 0.08) 0%, transparent 35%),
                radial-gradient(circle at 90% 80%, rgba(59, 130, 246, 0.08) 0%, transparent 35%);
        }

        /* Header Navigation: Left Logo, Center Language, Right Theme Icon */
        header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: var(--nav-bg);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--card-border);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
        }

        .nav-container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 12px 24px;
            display: grid;
            grid-template-columns: 1fr auto 1fr;
            align-items: center;
        }

        .logo-wrap {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
            justify-self: start;
        }

        .logo-icon {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: linear-gradient(135deg, #0066ff, #003eba);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 20px;
            font-weight: 800;
            box-shadow: var(--shadow-btn);
            border: 2px solid #fff;
            flex-shrink: 0;
        }

        .logo-text {
            font-size: 24px;
            font-weight: 800;
            background: linear-gradient(135deg, var(--primary-blue), var(--primary-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .nav-center {
            justify-self: center;
        }

        .nav-right {
            justify-self: end;
            display: flex;
            align-items: center;
        }

        /* 3D Language & Theme Buttons */
        .control-btn-3d {
            height: 44px;
            padding: 0 18px;
            border-radius: 14px;
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            box-shadow: var(--shadow-3d);
            color: var(--text-primary);
            font-size: 15px;
            font-weight: 700;
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            transition: transform 0.2s ease;
        }

        .control-btn-3d:hover {
            transform: translateY(-2px);
            color: var(--primary-blue);
        }

        .theme-toggle {
            width: 44px;
            height: 44px;
            padding: 0;
            font-size: 18px;
        }

        /* 3D Primary Button */
        .btn-3d {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            background: linear-gradient(145deg, #0066ff, #0047cc);
            color: #ffffff;
            padding: 14px 28px;
            border-radius: 18px;
            text-decoration: none;
            font-weight: 700;
            font-size: 16px;
            box-shadow: var(--shadow-btn);
            border: none;
            cursor: pointer;
            transform: translateY(0);
            transition: all 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
        }

        .btn-3d:hover {
            transform: translateY(-4px) scale(1.02);
            box-shadow: 0 18px 32px -6px rgba(0, 86, 255, 0.6),
                        inset 0 2px 4px rgba(255, 255, 255, 0.5);
        }

        .btn-3d:active {
            transform: translateY(2px);
        }

        /* Hero Section */
        .hero {
            padding: 130px 24px 70px;
            max-width: 1280px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 1.15fr 0.85fr;
            gap: 50px;
            align-items: center;
        }

        .badge-3d {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--card-bg);
            padding: 8px 18px;
            border-radius: 50px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary-blue);
            box-shadow: var(--shadow-3d);
            margin-bottom: 22px;
            border: 1px solid var(--card-border);
        }

        .hero h1 {
            font-size: 44px;
            line-height: 1.3;
            font-weight: 800;
            margin-bottom: 18px;
        }

        .hero h1 span {
            background: linear-gradient(135deg, #0056ff, #00c6ff);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero p {
            font-size: 17px;
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: 30px;
        }

        .hero-cta-group {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-bottom: 38px;
        }

        .btn-download-lg {
            padding: 17px 32px;
            font-size: 17px;
            border-radius: 20px;
        }

        .btn-secondary-3d {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            background: var(--card-bg);
            color: var(--text-primary);
            padding: 17px 28px;
            border-radius: 20px;
            text-decoration: none;
            font-weight: 700;
            font-size: 16px;
            box-shadow: var(--shadow-3d);
            border: 1px solid var(--card-border);
            transition: all 0.25s ease;
        }

        .btn-secondary-3d:hover {
            transform: translateY(-4px);
            color: var(--primary-blue);
        }

        .hero-stats {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
        }

        .stat-card {
            background: var(--card-bg);
            padding: 16px 12px;
            border-radius: 20px;
            box-shadow: var(--shadow-3d);
            border: 1px solid var(--card-border);
            text-align: center;
        }

        .stat-card h3 {
            font-size: 24px;
            font-weight: 800;
            color: var(--primary-blue);
        }

        .stat-card p {
            font-size: 13px;
            margin: 4px 0 0;
            color: var(--text-secondary);
            font-weight: 600;
        }

        /* 3D Hero Phone Mockup */
        .hero-visual {
            position: relative;
            display: flex;
            justify-content: center;
            align-items: center;
            perspective: 1200px;
        }

        .phone-3d-wrap {
            width: 300px;
            border-radius: 40px;
            padding: 12px;
            background: linear-gradient(145deg, #ffffff, #d9e4ff);
            box-shadow: 
                25px 35px 60px -15px rgba(0, 50, 150, 0.28),
                -15px -15px 40px rgba(255, 255, 255, 0.8),
                inset 0 2px 6px rgba(255, 255, 255, 1),
                inset 0 -4px 8px rgba(0, 86, 255, 0.2);
            transform: rotateY(-12deg) rotateX(5deg);
            animation: floatPhone 5s ease-in-out infinite;
            transition: transform 0.5s ease;
            position: relative;
            z-index: 2;
        }

        [data-theme="dark"] .phone-3d-wrap {
            background: linear-gradient(145deg, #2a3855, #131b2e);
            box-shadow: 
                25px 35px 60px -15px rgba(0, 0, 0, 0.8),
                inset 0 2px 4px rgba(255, 255, 255, 0.15);
        }

        .phone-3d-wrap:hover {
            transform: rotateY(0deg) rotateX(0deg) scale(1.03);
        }

        .phone-3d-wrap img {
            width: 100%;
            border-radius: 30px;
            display: block;
            cursor: pointer;
        }

        .floating-badge {
            position: absolute;
            background: var(--card-bg);
            padding: 10px 16px;
            border-radius: 18px;
            box-shadow: var(--shadow-3d);
            border: 1px solid var(--card-border);
            display: flex;
            align-items: center;
            gap: 10px;
            z-index: 3;
            font-weight: 700;
            font-size: 13px;
            animation: floatBadge 4s ease-in-out infinite;
        }

        .fb-1 {
            top: 10%;
            left: -5px;
            animation-delay: 0s;
        }

        .fb-2 {
            bottom: 15%;
            right: -5px;
            animation-delay: 1.5s;
        }

        .fb-icon {
            width: 36px;
            height: 36px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 16px;
            flex-shrink: 0;
        }

        @keyframes floatPhone {
            0%, 100% { transform: rotateY(-12deg) rotateX(5deg) translateY(0px); }
            50% { transform: rotateY(-8deg) rotateX(3deg) translateY(-14px); }
        }

        @keyframes floatBadge {
            0%, 100% { transform: translateY(0px); }
            50% { transform: translateY(-8px); }
        }

        /* Section Styling */
        .section {
            padding: 70px 24px;
            max-width: 1280px;
            margin: 0 auto;
        }

        .section-header {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 48px;
        }

        .section-header h2 {
            font-size: 34px;
            font-weight: 800;
            margin-bottom: 12px;
            line-height: 1.3;
        }

        .section-header p {
            color: var(--text-secondary);
            font-size: 16px;
            line-height: 1.65;
        }

        /* Screenshot Carousel Section */
        .gallery-wrapper {
            position: relative;
            background: var(--bg-secondary);
            padding: 40px 24px;
            border-radius: 32px;
            box-shadow: var(--shadow-3d);
            border: 1px solid var(--card-border);
        }

        .carousel-controls {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 22px;
            flex-wrap: wrap;
            gap: 15px;
        }

        .scroll-hint {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 600;
            color: var(--primary-blue);
            background: var(--card-bg);
            padding: 10px 18px;
            border-radius: 50px;
            box-shadow: var(--shadow-3d);
            font-size: 14px;
        }

        .nav-arrows {
            display: flex;
            gap: 12px;
        }

        .arrow-btn {
            width: 46px;
            height: 46px;
            border-radius: 15px;
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            box-shadow: var(--shadow-3d);
            color: var(--text-primary);
            font-size: 18px;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.2s ease;
        }

        .arrow-btn:hover {
            background: var(--primary-blue);
            color: #fff;
            transform: translateY(-3px);
        }

        .screenshots-track {
            display: flex;
            gap: 24px;
            overflow-x: auto;
            padding: 15px 8px 30px;
            scroll-snap-type: x mandatory;
            scroll-behavior: smooth;
            cursor: grab;
            -webkit-overflow-scrolling: touch;
        }

        .screenshots-track:active {
            cursor: grabbing;
        }

        .screenshots-track::-webkit-scrollbar {
            height: 8px;
        }

        .screenshots-track::-webkit-scrollbar-track {
            background: var(--card-bg);
            border-radius: 10px;
        }

        .screenshots-track::-webkit-scrollbar-thumb {
            background: linear-gradient(90deg, var(--primary-blue), var(--primary-light));
            border-radius: 10px;
        }

        .screen-card {
            flex: 0 0 260px;
            scroll-snap-align: center;
            background: var(--card-bg);
            border-radius: 28px;
            padding: 12px;
            box-shadow: var(--shadow-3d);
            border: 1px solid var(--card-border);
            transition: all 0.35s ease;
            position: relative;
            user-select: none;
        }

        .screen-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 25px 50px -12px rgba(0, 86, 255, 0.3);
        }

        .screen-img-box {
            position: relative;
            border-radius: 20px;
            overflow: hidden;
            aspect-ratio: 9 / 19.5;
            background: #e2e8f0;
        }

        .screen-img-box img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
        }

        .zoom-overlay {
            position: absolute;
            inset: 0;
            background: rgba(0, 35, 102, 0.45);
            backdrop-filter: blur(3px);
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            color: #fff;
            opacity: 0;
            transition: opacity 0.3s ease;
            cursor: pointer;
            gap: 8px;
            font-weight: 600;
            font-size: 14px;
        }

        .zoom-overlay i {
            font-size: 26px;
            background: var(--primary-blue);
            width: 52px;
            height: 52px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: var(--shadow-btn);
        }

        .screen-card:hover .zoom-overlay {
            opacity: 1;
        }

        .screen-label {
            text-align: center;
            padding: 14px 6px 4px;
        }

        .screen-label h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 2px;
        }

        .screen-label span {
            font-size: 13px;
            color: var(--text-secondary);
        }

        /* 3D Features Grid */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
            gap: 24px;
        }

        .feature-card-3d {
            background: var(--card-bg);
            padding: 30px 24px;
            border-radius: 26px;
            box-shadow: var(--shadow-3d);
            border: 1px solid var(--card-border);
            transition: all 0.3s ease;
        }

        .feature-card-3d:hover {
            transform: translateY(-8px);
        }

        .f-icon-3d {
            width: 60px;
            height: 60px;
            border-radius: 18px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            margin-bottom: 18px;
            box-shadow: inset 0 2px 4px rgba(255,255,255,0.6), 0 8px 16px rgba(0,0,0,0.08);
        }

        .feature-card-3d h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .feature-card-3d p {
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.65;
        }

        /* Monetization & Dashboard Highlight Banner (with im8.png) */
        .highlight-box-3d {
            background: linear-gradient(135deg, #0056ff 0%, #002b80 100%);
            border-radius: 34px;
            padding: 50px 42px;
            color: #ffffff;
            box-shadow: var(--shadow-btn);
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 36px;
            align-items: center;
            margin-top: 48px;
        }

        .highlight-box-3d h2 {
            font-size: 32px;
            font-weight: 800;
            margin-bottom: 14px;
            line-height: 1.3;
        }

        .highlight-box-3d p {
            font-size: 16px;
            opacity: 0.92;
            line-height: 1.7;
            margin-bottom: 24px;
        }

        .criteria-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 14px;
            margin-bottom: 28px;
        }

        .criteria-item {
            background: rgba(255, 255, 255, 0.14);
            backdrop-filter: blur(10px);
            padding: 13px 16px;
            border-radius: 16px;
            display: flex;
            align-items: center;
            gap: 12px;
            font-weight: 600;
            font-size: 14px;
            border: 1px solid rgba(255, 255, 255, 0.22);
        }

        .wallet-methods {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .method-pill {
            background: #ffffff;
            color: #0f172a;
            padding: 10px 18px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 14px;
            display: flex;
            align-items: center;
            gap: 8px;
            box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
        }

        .highlight-img-wrap {
            text-align: center;
        }

        .highlight-img-wrap img {
            width: 255px;
            max-width: 100%;
            border-radius: 28px;
            box-shadow: 0 22px 48px rgba(0, 0, 0, 0.45);
            border: 4px solid rgba(255, 255, 255, 0.35);
            cursor: pointer;
            transition: transform 0.3s ease;
        }

        .highlight-img-wrap img:hover {
            transform: scale(1.04);
        }

        /* Installation Steps */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 24px;
            margin-top: 28px;
        }

        .step-card {
            background: var(--card-bg);
            padding: 28px 22px;
            border-radius: 26px;
            box-shadow: var(--shadow-3d);
            border: 1px solid var(--card-border);
            text-align: center;
        }

        .step-num {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary-blue), var(--primary-light));
            color: #fff;
            font-weight: 800;
            font-size: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            box-shadow: var(--shadow-btn);
        }

        /* 3D Contact Section (Email, Helpline, Office + Direct Imo & Telegram) */
        .contact-container-3d {
            display: grid;
            grid-template-columns: 0.95fr 1.05fr;
            gap: 32px;
            background: var(--bg-secondary);
            padding: 40px;
            border-radius: 34px;
            box-shadow: var(--shadow-3d);
            border: 1px solid var(--card-border);
            align-items: start;
        }

        .contact-info-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .contact-card-3d {
            background: var(--card-bg);
            padding: 18px 22px;
            border-radius: 22px;
            box-shadow: var(--shadow-3d);
            border: 1px solid var(--card-border);
            display: flex;
            align-items: center;
            gap: 16px;
            text-decoration: none;
            color: var(--text-primary);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }

        .contact-card-3d:hover {
            transform: translateY(-4px);
        }

        .c-icon-box {
            width: 52px;
            height: 52px;
            border-radius: 16px;
            background: linear-gradient(135deg, var(--primary-blue), var(--primary-light));
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            box-shadow: var(--shadow-btn);
            flex-shrink: 0;
        }

        .contact-card-3d h4 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 3px;
            color: var(--text-primary);
        }

        .contact-card-3d p {
            font-size: 14px;
            color: var(--text-secondary);
        }

        /* Direct Chat Row for Imo & Telegram under the 3 cards */
        .direct-chat-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }

        .imo-badge-text {
            font-weight: 800;
            font-size: 15px;
            letter-spacing: -0.5px;
        }

        /* 3D Contact Form */
        .contact-form-3d {
            background: var(--card-bg);
            padding: 36px;
            border-radius: 26px;
            box-shadow: var(--shadow-3d);
            border: 1px solid var(--card-border);
        }

        .contact-form-3d h3 {
            font-size: 22px;
            font-weight: 800;
            margin-bottom: 20px;
        }

        .form-group {
            margin-bottom: 18px;
        }

        .form-group label {
            display: block;
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--text-primary);
        }

        .input-3d {
            width: 100%;
            padding: 14px 16px;
            border-radius: 15px;
            border: 1px solid var(--card-border);
            background: var(--input-bg);
            color: var(--text-primary);
            font-size: 15px;
            box-shadow: var(--shadow-inset);
            outline: none;
            transition: border 0.2s ease, box-shadow 0.2s ease;
        }

        .input-3d:focus {
            border-color: var(--primary-blue);
            box-shadow: var(--shadow-inset), 0 0 0 3px rgba(0, 86, 255, 0.15);
        }

        textarea.input-3d {
            resize: vertical;
            min-height: 125px;
        }

        .form-status-msg {
            margin-top: 15px;
            padding: 12px 16px;
            border-radius: 14px;
            background: rgba(16, 185, 129, 0.15);
            color: #10b981;
            font-weight: 700;
            font-size: 14px;
            display: none;
            text-align: center;
        }

        /* Social Media Buttons in Footer */
        .social-btn-3d {
            width: 50px;
            height: 50px;
            border-radius: 16px;
            background: var(--bg-main);
            border: 1px solid var(--card-border);
            box-shadow: var(--shadow-3d);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 21px;
            color: var(--text-primary);
            text-decoration: none;
            transition: all 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
        }

        .social-btn-3d:hover {
            transform: translateY(-5px) scale(1.08);
            color: #ffffff;
        }

        .social-btn-3d.fb:hover { background: #1877f2; box-shadow: 0 10px 20px rgba(24, 119, 242, 0.4); }
        .social-btn-3d.yt:hover { background: #ff0000; box-shadow: 0 10px 20px rgba(255, 0, 0, 0.4); }
        .social-btn-3d.tg:hover { background: #0088cc; box-shadow: 0 10px 20px rgba(0, 136, 204, 0.4); }
        .social-btn-3d.wa:hover { background: #25d366; box-shadow: 0 10px 20px rgba(37, 211, 102, 0.4); }
        .social-btn-3d.ig:hover { background: linear-gradient(45deg, #f09433, #e6683c, #dc2743, #cc2366, #bc1888); box-shadow: 0 10px 20px rgba(220, 39, 67, 0.4); }
        .social-btn-3d.tt:hover { background: #000000; box-shadow: 0 10px 20px rgba(0, 0, 0, 0.4); }

        /* Lightbox Zoom Modal */
        .lightbox-modal {
            position: fixed;
            inset: 0;
            background: rgba(5, 10, 25, 0.94);
            backdrop-filter: blur(12px);
            z-index: 9999;
            display: none;
            flex-direction: column;
            justify-content: space-between;
            align-items: center;
            padding: 16px;
        }

        .lightbox-modal.active {
            display: flex;
        }

        .lightbox-top-bar {
            width: 100%;
            max-width: 1100px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            background: rgba(255, 255, 255, 0.1);
            padding: 10px 18px;
            border-radius: 18px;
            color: #fff;
            z-index: 10;
            gap: 10px;
            flex-wrap: wrap;
        }

        .zoom-controls {
            display: flex;
            gap: 8px;
            align-items: center;
        }

        .zoom-btn {
            background: rgba(255, 255, 255, 0.15);
            border: 1px solid rgba(255, 255, 255, 0.25);
            color: #fff;
            width: 40px;
            height: 40px;
            border-radius: 12px;
            cursor: pointer;
            font-size: 15px;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.2s;
        }

        .zoom-btn:hover {
            background: var(--primary-blue);
        }

        .lightbox-stage {
            flex: 1;
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;
            position: relative;
            cursor: grab;
        }

        .lightbox-stage:active {
            cursor: grabbing;
        }

        .lightbox-stage img {
            max-height: 75vh;
            max-width: 92vw;
            border-radius: 20px;
            box-shadow: 0 25px 60px rgba(0, 0, 0, 0.8);
            transition: transform 0.15s ease-out;
            transform-origin: center center;
            user-select: none;
        }

        .lightbox-bottom-bar {
            display: flex;
            gap: 14px;
            align-items: center;
            z-index: 10;
        }

        /* Footer with Social Media Title & Channel Links */
        footer {
            background: var(--card-bg);
            border-top: 1px solid var(--card-border);
            padding: 55px 24px 35px;
            margin-top: 50px;
            text-align: center;
            box-shadow: var(--shadow-3d);
        }

        .footer-social-box {
            max-width: 600px;
            margin: 26px auto 28px;
            padding: 24px 20px;
            background: var(--bg-secondary);
            border-radius: 26px;
            box-shadow: var(--shadow-3d);
            border: 1px solid var(--card-border);
        }

        .footer-social-title {
            font-size: 18px;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 16px;
        }

        .footer-socials {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 14px;
        }

        .footer-nav {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 22px;
            list-style: none;
            margin-bottom: 24px;
        }

        .footer-nav a {
            color: var(--text-secondary);
            text-decoration: none;
            font-weight: 600;
            font-size: 14px;
        }

        .footer-nav a:hover {
            color: var(--primary-blue);
        }

        /* Comprehensive Mobile Responsive Styling */
        @media (max-width: 968px) {
            .hero {
                grid-template-columns: 1fr;
                text-align: center;
                padding: 110px 18px 50px;
                gap: 40px;
            }
            .hero h1 {
                font-size: 32px;
            }
            .hero p {
                font-size: 15.5px;
            }
            .hero-cta-group {
                justify-content: center;
            }
            .phone-3d-wrap {
                width: 265px;
                transform: rotateY(0deg) rotateX(0deg);
                animation: floatBadge 4s ease-in-out infinite;
            }
            .highlight-box-3d,
            .contact-container-3d {
                grid-template-columns: 1fr;
                padding: 32px 20px;
            }
            .criteria-list {
                grid-template-columns: 1fr;
            }
            .section {
                padding: 55px 18px;
            }
            .section-header h2 {
                font-size: 28px;
            }
        }

        @media (max-width: 600px) {
            .nav-container {
                padding: 10px 14px;
            }
            .logo-icon {
                width: 38px;
                height: 38px;
                font-size: 17px;
            }
            .logo-text {
                font-size: 20px;
            }
            .control-btn-3d {
                height: 38px;
                padding: 0 12px;
                font-size: 13px;
                border-radius: 12px;
            }
            .theme-toggle {
                width: 38px;
                height: 38px;
                font-size: 16px;
            }
            .hero {
                padding-top: 95px;
            }
            .hero h1 {
                font-size: 27px;
            }
            .hero-cta-group {
                flex-direction: column;
                width: 100%;
            }
            .btn-download-lg,
            .btn-secondary-3d {
                width: 100%;
                padding: 15px 20px;
                font-size: 15.5px;
            }
            .hero-stats {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .stat-card {
                padding: 14px;
            }
            .floating-badge {
                padding: 8px 12px;
                font-size: 11.5px;
            }
            .fb-1 { left: 0; top: 5%; }
            .fb-2 { right: 0; bottom: 8%; }
            .gallery-wrapper {
                padding: 26px 14px;
                border-radius: 24px;
            }
            .carousel-controls {
                justify-content: center;
                text-align: center;
            }
            .scroll-hint {
                font-size: 12.5px;
                padding: 8px 14px;
            }
            .screen-card {
                flex: 0 0 230px;
            }
            .highlight-box-3d {
                padding: 28px 18px;
                border-radius: 26px;
            }
            .highlight-box-3d h2 {
                font-size: 24px;
            }
            .wallet-methods {
                justify-content: center;
            }
            .contact-container-3d {
                padding: 22px 14px;
                border-radius: 26px;
            }
            .direct-chat-grid {
                grid-template-columns: 1fr;
            }
            .contact-form-3d {
                padding: 24px 18px;
            }
            .lightbox-top-bar {
                justify-content: center;
                text-align: center;
            }
            .lightbox-bottom-bar span {
                font-size: 12px;
                text-align: center;
            }
        }