/* Fallback Variables */
:root {
    --gradient-dark: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    --gradient-primary: linear-gradient(135deg, #2563eb 0%, #1e40af 100%);
    --gradient-secondary: linear-gradient(135deg, #7c3aed, #a855f7);
    --white: #ffffff;
    --primary-blue: #2563eb;
    --secondary-purple: #7c3aed;
    --light-blue: #3b82f6;
    --accent-blue: #60a5fa;
    --light-gray: #f8f9fa;
    --ebay-blue: #0064d2;
    --ebay-yellow: #f5af02;
    --ebay-red: #e53e3e;
    --ebay-green: #86d93b;

}

/* eBay Services Section */
        .ebay-section {
            padding: 80px 0;
            background-color: var(--light-gray);
        }

        .model-card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 4rem 2rem;
            margin-top: 2rem;
        }

        .model-card {
            background: white;
            border-radius: 15px;
            padding: 2rem;
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
            border-left: 5px solid;
        }

        .model-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 20px 40px rgba(0,0,0,0.15);
        }

        /* Dropshipping Card */
        .dropshipping-card {
            border-left-color: var(--ebay-blue);
        }

        .dropshipping-card:hover {
            background: linear-gradient(135deg, var(--ebay-blue), #1e7ce8);
            color: white;
        }

        .dropshipping-card:hover .card-title,
        .dropshipping-card:hover .card-description,
        .dropshipping-card:hover .card-features li {
            color: white;
        }

        .dropshipping-card:hover .card-features li i {
            color: white;
        }

        .dropshipping-card:hover .card-icon {
            background: rgba(255,255,255,0.2);
            color: white;
        }

        .dropshipping-card:hover .dropshipping-badge {
            background: white !important;
            color: var(--ebay-blue) !important;
        }

        /* Private Label Card */
        .private-label-card {
            border-left-color: var(--ebay-yellow);
        }

        .private-label-card:hover {
            background: linear-gradient(135deg, var(--ebay-yellow), #f7c52d);
            color: white;
        }

        .private-label-card:hover .card-title,
        .private-label-card:hover .card-description,
        .private-label-card:hover .card-features li {
            color: white;
        }

        .private-label-card:hover .card-features li i {
            color: white;
        }

        .private-label-card:hover .card-icon {
            background: rgba(255,255,255,0.2);
            color: white;
        }

        .private-label-card:hover .private-label-badge {
            background: white !important;
            color: var(--ebay-yellow) !important;
        }

        /* Wholesale Card */
        .wholesale-card {
            border-left-color: var(--ebay-green);
        }

        .wholesale-card:hover {
            background: linear-gradient(135deg, var(--ebay-green), #9fe049);
            color: white;
        }

        .wholesale-card:hover .card-title,
        .wholesale-card:hover .card-description,
        .wholesale-card:hover .card-features li {
            color: white;
        }

        .wholesale-card:hover .card-features li i {
            color: white;
        }

        .wholesale-card:hover .card-icon {
            background: rgba(255,255,255,0.2);
            color: white;
        }

        .wholesale-card:hover .wholesale-badge {
            background: white !important;
            color: var(--ebay-green) !important;
        }

        /* Retail Arbitrage Card */
        .arbitrage-card {
            border-left-color: var(--ebay-red);
        }

        .arbitrage-card:hover {
            background: linear-gradient(135deg, var(--ebay-red), #f56565);
            color: white;
        }

        .arbitrage-card:hover .card-title,
        .arbitrage-card:hover .card-description,
        .arbitrage-card:hover .card-features li {
            color: white;
        }

        .arbitrage-card:hover .card-features li i {
            color: white;
        }

        .arbitrage-card:hover .card-icon {
            background: rgba(255,255,255,0.2);
            color: white;
        }

        .arbitrage-card:hover .arbitrage-badge {
            background: white !important;
            color: var(--ebay-red) !important;
        }

        /* Store Management Card */
        .store-management-card {
            border-left-color: #9333ea;
        }

        .store-management-card:hover {
            background: linear-gradient(135deg, #9333ea, #a855f7);
            color: white;
        }

        .store-management-card:hover .card-title,
        .store-management-card:hover .card-description,
        .store-management-card:hover .card-features li {
            color: white;
        }

        .store-management-card:hover .card-features li i {
            color: white;
        }

        .store-management-card:hover .card-icon {
            background: rgba(255,255,255,0.2);
            color: white;
        }

        .store-management-card:hover .store-management-badge {
            background: white !important;
            color: #9333ea !important;
        }

        /* SEO Optimization Card */
        .seo-card {
            border-left-color: #059669;
        }

        .seo-card:hover {
            background: linear-gradient(135deg, #059669, #10b981);
            color: white;
        }

        .seo-card:hover .card-title,
        .seo-card:hover .card-description,
        .seo-card:hover .card-features li {
            color: white;
        }

        .seo-card:hover .card-features li i {
            color: white;
        }

        .seo-card:hover .card-icon {
            background: rgba(255,255,255,0.2);
            color: white;
        }

        .seo-card:hover .seo-badge {
            background: white !important;
            color: #059669 !important;
        }

        /* Card Elements */
        .card-icon {
            width: 70px;
            height: 70px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 1.5rem;
            font-size: 1.8rem;
            color: white;
        }

        .dropshipping-card .card-icon {
            background: linear-gradient(135deg, var(--ebay-blue), #1e7ce8);
        }

        .private-label-card .card-icon {
            background: linear-gradient(135deg, var(--ebay-yellow), #f7c52d);
        }

        .wholesale-card .card-icon {
            background: linear-gradient(135deg, var(--ebay-green), #9fe049);
        }

        .arbitrage-card .card-icon {
            background: linear-gradient(135deg, var(--ebay-red), #f56565);
        }

        .store-management-card .card-icon {
            background: linear-gradient(135deg, #9333ea, #a855f7);
        }

        .seo-card .card-icon {
            background: linear-gradient(135deg, #059669, #10b981);
        }

        .card-title {
            font-size: 1.5rem;
            font-weight: bold;
            margin-bottom: 1rem;
            color: #333;
        }

        .card-description {
            color: #666;
            margin-bottom: 1.5rem;
            line-height: 1.6;
            margin-top: 10px;
        }

        .card-features {
            list-style: none;
            padding: 0;
            margin-bottom: 1.5rem;
        }

        .card-features li {
            color: #666;
            line-height: 1.8;
            margin-bottom: 0.5rem;
        }

        .card-features li i {
            margin-right: 8px;
            width: 16px;
        }

        .dropshipping-card .card-features li i { color: var(--ebay-blue); }
        .private-label-card .card-features li i { color: var(--ebay-yellow); }
        .wholesale-card .card-features li i { color: var(--ebay-green); }
        .arbitrage-card .card-features li i { color: var(--ebay-red); }
        .store-management-card .card-features li i { color: #9333ea; }
        .seo-card .card-features li i { color: #059669; }

        .card-badge {
            margin-top: 1.5rem;
        }

        .model-card-badge {
            padding: 8px 15px;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: bold;
            color: white;
            display: inline-block;
        }

        .dropshipping-badge { background: var(--ebay-blue) !important; }
        .private-label-badge { background: var(--ebay-yellow) !important; }
        .wholesale-badge { background: var(--ebay-green) !important; }
        .arbitrage-badge { background: var(--ebay-red) !important; }
        .store-management-badge { background: #9333ea !important; }
        .seo-badge { background: #059669 !important; }

 /* Process Section */
        .process-section {
            padding: 80px 0;
            background: var(--light-gray);
        }

        .process-timeline {
            position: relative;
            max-width: 1000px;
            margin: 3rem auto;
        }

        .process-timeline::before {
            content: '';
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 4px;
            height: 100%;
            background: var(--gradient-primary);
        }

        .process-step {
            display: flex;
            align-items: center;
            margin-bottom: 3rem;
            position: relative;
        }

        .process-step:nth-child(even) {
            flex-direction: row-reverse;
        }

        .step-content {
            width: 45%;
            background: white;
            padding: 1.5rem;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
            transition: all 0.3s ease;
        }

        .step-content:hover {
            transform: scale(1.05);
            box-shadow: 0 10px 20px rgba(0,0,0,0.15);
        }

        .step-number {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 50px;
            height: 50px;
            background: var(--gradient-primary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 1.2rem;
            font-weight: bold;
            z-index: 1;
            border: 3px solid white;
        }

        .step-title {
            color: #333;
            font-size: 1.3rem;
            margin-bottom: 0.5rem;
        }

        .step-description {
            color: #666;
            font-size: 1rem;
            line-height: 1.6;
        }

/* Results Section */
.results-section {
    background: var(--gradient-dark);
    color: white;
    padding: 80px 0;
}

.results-section .section-title {
    color: white;
}

.results-section .section-subtitle {
    color: #ccc;
}

.results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.result-card {
    background: rgba(255,255,255,0.1);
    border-radius: 15px;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.result-card:hover {
    border-color: var(--primary-blue);
    transform: translateY(-10px);
}

.result-value {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--white);
    margin-bottom: 0.5rem;
    animation: countUp 2s ease-out forwards;
}

.result-card p {
    color: #ccc;
    font-size: 1rem;
}

@keyframes countUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Why Choose Us Section Styling */
.why-choose-section {
    padding: 80px 0;
    background-color: #ffffffff;
}

.why-choose-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.why-choose-item {
    background: #fff;
    border-radius: 10px;
    padding: 2rem;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    opacity: 0;
    transform: translateY(30px);
}

.why-choose-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.why-choose-item i {
    font-size: 2.5rem;
    color: var(--primary-blue);
    margin-bottom: 1.5rem;
    display: block;
    transition: transform 0.3s ease;
}

.why-choose-item:hover i {
    transform: scale(1.1);
}

.why-choose-item h3 {
    font-size: 1.4rem;
    font-weight: 600;
    color: #333;
    margin-bottom: 1rem;
}

.why-choose-item p {
    font-size: 1rem;
    color: #666 !important;
    line-height: 1.6;
}

/* Fade-in Animation */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeInUp 0.6s ease forwards;
}

/* Mobile Responsive Styles */
@media (max-width: 768px) {
    .model-card-grid, .results-grid, .why-choose-grid, .tech-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

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

    .model-card, .result-card {
        padding: 1.5rem;
    }

    .development-section, .process-section, .results-section, .why-choose-section, .tech-section {
        padding: 60px 0;
    }

    /* Process Timeline Mobile Fixes */
    .process-timeline::before {
        left: 20px;
        transform: none;
    }

    .process-step, .process-step:nth-child(even) {
        flex-direction: column;
        align-items: flex-start;
        margin-bottom: 2rem;
    }

    .step-content {
        width: 100%;
        margin-left: 50px;
        padding: 1rem;
    }

    .step-number {
        left: 20px;
        transform: translateY(-50%);
    }

    .model-card-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .step-content {
        margin-left: 40px;
        padding: 0.8rem;
    }

    .step-number {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
}

@media (max-width: 992px) {
    .why-choose-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .why-choose-section {
        padding: 60px 0;
    }
    
    .why-choose-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .why-choose-item {
        padding: 1.5rem;
    }
    
    .why-choose-item i {
        font-size: 2.2rem;
    }
    
    .why-choose-item h3 {
        font-size: 1.2rem;
    }
}

@media (max-width: 480px) {
    .why-choose-section {
        padding: 50px 0;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .why-choose-item {
        padding: 1.2rem;
    }
    
    .why-choose-item i {
        font-size: 2rem;
        margin-bottom: 1rem;
    }
}


 /* ROI Section */
        .roi-section {
            padding: 120px 0;
            position: relative;
            background: var(--gradient-dark);
            overflow: hidden;
        }

        .roi-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: var(--gradient-dark)
            pointer-events: none;
        }
       
        /* Chart Container */
        .chart-container {
            background: rgba(255, 255, 255, 0.05);
            backdrop-filter: blur(20px);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 25px;
            padding: 3rem;
            margin-bottom: 4rem;
            position: relative;
            overflow: hidden;
        }

        .chart-title {
            text-align: center;
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 7rem;
            color: var(--white);
        }

        /* Animated Bar Chart */
        .bar-chart {
            display: flex;
            align-items: end;
            justify-content: space-around;
            height: 300px;
            margin: 2rem 0;
            position: relative;
        }

        .bar-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            position: relative;
        }

        .bar {
            width: 60px;
            background: var(--gradient-primary);
            border-radius: 8px 8px 0 0;
            position: relative;
            animation: growBar 1.5s ease-out forwards;
            transform-origin: bottom;
            transform: scaleY(0);
            margin-bottom: 1rem;
        }

        .bar.bar-1 { height: 250px; animation-delay: 0.5s; }
        .bar.bar-2 { height: 180px; animation-delay: 0.7s; }
        .bar.bar-3 { height: 280px; animation-delay: 0.9s; }
        .bar.bar-4 { height: 220px; animation-delay: 1.1s; }

        .bar::after {
            content: attr(data-value);
            position: absolute;
            top: -30px;
            left: 50%;
            transform: translateX(-50%);
            color: var(--white);
            font-weight: 700;
            font-size: 0.9rem;
        }

        .bar-label {
            color: rgba(255, 255, 255, 0.8);
            font-size: 0.9rem;
            font-weight: 600;
            text-align: center;
            margin-top: 0.5rem;
        }

        /* ROI Metrics */
        .roi-metrics {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-top: 3rem;
        }

        .metric-item {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 15px;
            padding: 2rem;
            text-align: center;
            position: relative;
            transition: all 0.3s ease;
        }

        .metric-item:hover {
            background: rgba(255, 255, 255, 0.08);
            transform: translateY(-5px);
        }

        .metric-icon {
            font-size: 2.5rem;
            background: var(--accent-blue);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 1rem;
        }

        .metric-value {
            font-size: 2rem;
            font-weight: 800;
            color: var(--white);
            margin-bottom: 0.5rem;
        }

        .metric-description {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.9rem;
        }

        /* Progress Rings */
        .progress-ring {
            position: relative;
            width: 120px;
            height: 120px;
            margin: 0 auto 1rem;
        }

        .progress-ring svg {
            width: 100%;
            height: 100%;
            transform: rotate(-90deg);
        }

        .progress-ring circle {
            fill: none;
            stroke-width: 8;
            cx: 60;
            cy: 60;
            r: 52;
        }

        .progress-ring .bg {
            stroke: rgba(255, 255, 255, 0.1);
        }

        .progress-ring .progress {
            stroke: url(#gradient);
            stroke-linecap: round;
            stroke-dasharray: 327;
            stroke-dashoffset: 327;
            animation: fillProgress 2s ease-out forwards;
        }

        .progress-ring.ring-1 .progress { animation-delay: 0.5s; }
        .progress-ring.ring-2 .progress { animation-delay: 1s; }
        .progress-ring.ring-3 .progress { animation-delay: 1.5s; }

        .progress-text {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            font-size: 1.2rem;
            font-weight: 800;
            color: var(--white);
        }

        /* Animations */
        @keyframes slideInUp {
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        @keyframes growBar {
            to {
                transform: scaleY(1);
            }
        }

        @keyframes fillProgress {
            to {
                stroke-dashoffset: calc(327 - (327 * var(--progress)) / 100);
            }
        }

        /* Responsive */
        @media (max-width: 768px) {
            .section-title {
                font-size: 2.5rem;
            }
            
            .stats-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            
            .bar {
                width: 50px;
            }
            
            .chart-container {
                padding: 2rem 1rem;
            }
        }