    :root {
        --primary: #2c3e50;
        --secondary: #3498db;
        --accent: #2980b9;
        --light: #f8f9fa;
        --dark: #212529;
    }


    .support-container {
        background: white;
        border-radius: 15px;
        box-shadow: 0 15px 40px rgba(0, 0, 0, 0.12);
        overflow: hidden;
        margin: 40px auto;
        max-width: 1200px;
    }

    .support-header {
        background: linear-gradient(to right, var(--primary), #3a5378);
        color: white;
        padding: 40px 20px;
        text-align: center;
        position: relative;
        overflow: hidden;
    }

    .header-pattern {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background:
            radial-gradient(circle at 10% 20%, rgba(255, 255, 255, 0.05) 0%, transparent 20%),
            radial-gradient(circle at 90% 80%, rgba(255, 255, 255, 0.05) 0%, transparent 20%);
        pointer-events: none;
    }

    .support-body {
        padding: 40px;
    }

    .feature-icon {
        background: rgba(255, 255, 255, 0.15);
        width: 80px;
        height: 80px;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        margin: 0 auto 20px;
        font-size: 2rem;
    }

    .card-option {
        border: 2px solid #e0e6ed;
        border-radius: 12px;
        padding: 25px;
        margin-bottom: 20px;
        transition: all 0.3s ease;
        background: #f9fbfd;
        cursor: pointer;
        position: relative;
        overflow: hidden;
    }

    .card-option::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 4px;
        background: var(--accent);
        transform: scaleX(0);
        transition: transform 0.3s ease;
    }

    .card-option:hover,
    .card-option.selected {
        transform: translateY(-5px);
        box-shadow: 0 12px 25px rgba(0, 0, 0, 0.08);
        border-color: #cbd6e2;
    }

    .card-option.selected {
        border-color: var(--accent);
        background: #e8f4fc;
    }

    .card-option.selected::before {
        transform: scaleX(1);
    }

    .card-option h5 {
        color: var(--primary);
        font-weight: 600;
        margin-bottom: 15px;
    }

    .card-option ul {
        padding-left: 20px;
        color: #4a5568;
        margin-bottom: 15px;
    }

    .card-option ul li {
        margin-bottom: 8px;
        position: relative;
        padding-left: 10px;
    }

    .card-option ul li::before {
        content: '•';
        color: var(--accent);
        position: absolute;
        left: -10px;
    }

    .price-display {
        font-size: 2.5rem;
        font-weight: 700;
        color: var(--primary);
        margin: 25px 0;
        text-align: center;
    }

    .currency {
        font-size: 1.8rem;
        vertical-align: super;
    }

    .btn-support {
        font-weight: 600;
        padding: 14px 28px;
        border-radius: 10px;
        transition: all 0.3s;
        font-size: 1.1rem;
        border: none;
        position: relative;
        overflow: hidden;
    }

    .btn-support::after {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(255, 255, 255, 0.2);
        transform: translateX(-100%);
        transition: transform 0.3s ease;
    }

    .btn-support:hover::after {
        transform: translateX(0);
    }

    .btn-calculate {
        background: linear-gradient(to right, var(--accent), #1f6aa5);
        color: white;
    }

    .btn-request {
        background: linear-gradient(to right, #27ae60, #219653);
        color: white;
    }

    .form-control,
    .form-select {
        border: 2px solid #d1d9e6;
        border-radius: 10px;
        padding: 14px 18px;
        transition: all 0.3s;
        font-size: 1rem;
    }

    .form-control:focus,
    .form-select:focus {
        border-color: var(--accent);
        box-shadow: 0 0 0 0.25rem rgba(52, 152, 219, 0.25);
    }

    .result-container {
        background: #e8f4fc;
        border-left: 5px solid var(--accent);
        border-radius: 12px;
        padding: 25px;
        margin-top: 25px;
    }

    .tech-badge {
        display: inline-block;
        background: rgba(52, 152, 219, 0.15);
        color: var(--accent);
        padding: 6px 15px;
        border-radius: 50px;
        font-size: 0.9rem;
        font-weight: 600;
        margin: 5px;
    }

    .section-title {
        color: var(--primary);
        font-weight: 700;
        margin-bottom: 25px;
        padding-bottom: 15px;
        border-bottom: 2px solid #eaeff5;
        position: relative;
    }

    .section-title::after {
        content: '';
        position: absolute;
        bottom: -2px;
        left: 0;
        width: 70px;
        height: 2px;
        background: var(--accent);
    }

    .feature-grid {
        display: grid;
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
        gap: 20px;
        margin-top: 30px;
    }

    .feature-card {
        background: white;
        border-radius: 12px;
        padding: 25px;
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
        transition: all 0.3s ease;
        border: 1px solid #eaeff5;
    }

    .feature-card:hover {
        transform: translateY(-8px);
        box-shadow: 0 12px 25px rgba(0, 0, 0, 0.1);
        border-color: var(--accent);
    }

    .feature-card i {
        font-size: 2.5rem;
        color: var(--accent);
        margin-bottom: 20px;
    }

    .feature-card h4 {
        color: var(--primary);
        margin-bottom: 15px;
    }

    .slider-container {
        padding: 20px 15px;
    }

    .slider-value {
        font-weight: 600;
        color: var(--accent);
        font-size: 1.2rem;
        margin-top: 10px;
        text-align: center;
    }

    .range-slider {
        width: 100%;
        height: 10px;
        --webkit-appearance: none;
        background: #e0e6ed;
        border-radius: 5px;
        outline: none;
    }

    .range-slider::-webkit-slider-thumb {
        -webkit-appearance: none;
        width: 25px;
        height: 25px;
        border-radius: 50%;
        background: var(--accent);
        cursor: pointer;
        transition: all 0.3s;
    }

    .range-slider::-webkit-slider-thumb:hover {
        transform: scale(1.2);
        box-shadow: 0 0 10px rgba(52, 152, 219, 0.5);
    }

    .badge-plan {
        display: inline-block;
        padding: 5px 15px;
        border-radius: 20px;
        font-size: 0.9rem;
        font-weight: 600;
        margin-bottom: 15px;
    }

    .plan-basic {
        background: rgba(52, 152, 219, 0.15);
        color: #2980b9;
    }

    .plan-advanced {
        background: rgba(155, 89, 182, 0.15);
        color: #8e44ad;
    }

    .plan-premium {
        background: rgba(46, 204, 113, 0.15);
        color: #27ae60;
    }

    @media (max-width: 992px) {
        .support-body {
            padding: 25px;
        }

        .price-display {
            font-size: 2rem;
        }
    }

    @media (max-width: 768px) {
        .support-header {
            padding: 30px 15px;
        }

        .feature-icon {
            width: 70px;
            height: 70px;
            font-size: 1.8rem;
        }
    }

            .price-color-calculator{
         color: var(--accent);   
        }

                .bg-offer{
                    background: linear-gradient(to right, var(--accent), #1f6aa5); color: white;
        }