* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Inter', 'Helvetica Neue', sans-serif;
            background: #ffffff;
            min-height: 100vh;
            line-height: 1.6;
            color: #1f2937;
            overflow-x: hidden;
}

        .main-container {
            width: 100%;
            min-height: 100vh;
           
        }

        /* Enhanced Header with Tighter Spacing */
        .header {
            
            color: #000000;
            padding: 40px 20px 30px;
            position: relative;
            overflow: hidden;
        }

        .header-content {
            max-width: 1200px;
            margin: 0 auto;
            position: relative;
            z-index: 3;
        }

        .header::before {
            content: '';
            position: absolute;
            top: -30%;
            right: -15%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(251, 191, 36, 0.06) 0%, transparent 70%);
            border-radius: 50%;
        }

        .header::after {
            content: '';
            position: absolute;
            bottom: -20%;
            left: -10%;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(99, 102, 241, 0.04) 0%, transparent 70%);
            border-radius: 50%;
        }

        .zylu-logo {
            display: inline-block;
            margin-bottom: 20px;
        }

        .zylu-logo-text {
            font-size: 1.8em;
            font-weight: 900;
            letter-spacing: 4px;
            background: linear-gradient(45deg, #fbbf24, #f59e0b, #fbbf24);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            text-shadow: 0 2px 10px rgba(251, 191, 36, 0.3);
        }

        .header h1 {
            font-size: 2.8em;
            margin-bottom: 15px;
            font-weight: 800;
            line-height: 1.1;
            background: linear-gradient(135deg, #000000 0%, #000000 100%);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .header p {
            font-size: 1.15em;
            opacity: 0.9;
        
            line-height: 1.6;
        }

        /* Main Content with Better Spacing */
        .content {
            padding: 30px 20px;
            max-width: 1200px;
            margin: 0 auto;
            
        }

        /* Enhanced Calculator Container */
        .calculator-container {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
            margin-bottom: 40px;
        }

        /* Professional Card Design */
        .calculator-card {
            background: #efefef;
            border: 1px solid #e2e8f0;
            border-radius: 24px;
            padding: 32px;
            box-shadow: rgba(0, 0, 0, 0.25) 0px 0.0625em 0.0625em, rgba(0, 0, 0, 0.25) 0px 0.125em 0.5em, rgba(255, 255, 255, 0.1) 0px 0px 0px 1px inset;
            transition: all 0.4s ease;
            position: relative;
            overflow: hidden;
        }

        .calculator-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, #ff2222, #ff2323);
            border-radius: 24px 24px 0 0;
        }

        .calculator-card:hover {
            box-shadow: 0 16px 48px rgba(0, 0, 0, 0.1);
            transform: translateY(-4px);
        }

        .section-header {
            font-size: 1.6em;
            color: #1e293b;
            margin-bottom: 24px;
            font-weight: 800;
            text-align: center;
            position: relative;
            padding-bottom: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 12px;
        }

        .section-header::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 60px;
            height: 3px;
            background: linear-gradient(90deg, #ff2222, #ff2323);
            border-radius: 2px;
        }

        /* Enhanced Input Styles */
        .input-grid {
            display: grid;
            gap: 20px;
            margin-bottom: 24px;
        }

        .input-group {
            display: flex;
            flex-direction: column;
            position: relative;
        }

        .input-group label {
            font-weight: 700;
            color: #374151;
            margin-bottom: 8px;
            font-size: 0.9em;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .input-group input {
            padding: 14px 18px;
            border: 2px solid #e5e7eb;
            border-radius: 12px;
            font-size: 1em;
            font-weight: 600;
            transition: all 0.3s ease;
            background: linear-gradient(145deg, #ffffff 0%, #f9fafb 100%);
        }

        .input-group input:focus {
            outline: none;
            border-color: #fbbf24;
            box-shadow: 0 0 0 4px rgba(251, 191, 36, 0.1);
            transform: translateY(-1px);
            background: #ffffff;
        }

        .input-group input.error {
            border-color: #ef4444;
            box-shadow: 0 0 0 4px rgba(239, 68, 68, 0.1);
        }

        .helper-text {
            font-size: 0.8em;
            color: #6b7280;
            margin-top: 6px;
            font-style: italic;
            line-height: 1.4;
        }

        .error-message {
            font-size: 0.8em;
            color: #ef4444;
            margin-top: 6px;
            font-weight: 600;
        }

        /* Enhanced Button */
        .btn {
            padding: 16px 32px;
            border: none;
            border-radius: 14px;
            font-size: 1.05em;
            font-weight: 700;
            cursor: pointer;
            transition: all 0.3s ease;
            text-decoration: none;
            display: inline-block;
            text-align: center;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        .btn-primary {
            background: linear-gradient(90deg, #ff2222, #ff2323);
            color: #ffffff;
            box-shadow: 0 6px 20px rgba(251, 191, 36, 0.25);
            width: 100%;
            margin-top: 20px;
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 30px rgba(251, 191, 36, 0.35);
        }

        /* Results Section Enhancement */
        .results-placeholder {
            text-align: center;
            color: #6b7280;
            padding: 40px 20px;
            font-style: italic;
        }

        .results-placeholder h3 {
            color: #9ca3af;
            font-weight: 600;
            margin-bottom: 12px;
            font-size: 1.2em;
        }

        .results-placeholder p {
            line-height: 1.6;
        }

        /* Metrics Display */
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
            margin-bottom: 24px;
        }

        .metric-card {
            background: linear-gradient(145deg, #ffffff 0%, #f8fafc 100%);
            border: 1px solid #e5e7eb;
            border-radius: 16px;
            padding: 20px;
            text-align: center;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .metric-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, #6b7280, #9ca3af);
            border-radius: 16px 16px 0 0;
        }

        .metric-card.positive::before {
            background: linear-gradient(90deg, #10b981, #059669);
        }

        .metric-card.negative::before {
            background: linear-gradient(90deg, #ef4444, #dc2626);
        }

        .metric-card:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
        }

        .metric-card h3 {
            color: #374151;
            font-size: 0.8em;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            margin-bottom: 10px;
        }

        .metric-card .value {
            font-size: 1.6em;
            font-weight: 800;
            color: #1f2937;
            margin-bottom: 6px;
        }

        .metric-card .subtitle {
            font-size: 0.8em;
            color: #6b7280;
            font-weight: 500;
        }

        /* Enhanced Table with Horizontal Scroll */
        .table-container {
            background: white;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
            margin-bottom: 24px;
            border: 1px solid #e5e7eb;
        }

        .table-container h3 {
            padding: 20px 24px 12px;
            color: #1e293b;
            margin-bottom: 0;
            font-size: 1.1em;
            font-weight: 700;
        }

        .table-scroll {
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
        }

        .table-scroll::-webkit-scrollbar {
            height: 8px;
        }

        .table-scroll::-webkit-scrollbar-track {
            background: #f1f5f9;
            border-radius: 4px;
        }

        .table-scroll::-webkit-scrollbar-thumb {
            background: linear-gradient(90deg, #ff2222, #ff2323);
            border-radius: 4px;
        }

        .table-scroll::-webkit-scrollbar-thumb:hover {
            background: linear-gradient(90deg, #f59e0b, #d97706);
        }

        table {
            width: 100%;
            border-collapse: collapse;
            min-width: 700px; /* Ensures table doesn't compress too much */
        }

        th, td {
            padding: 12px 16px;
            text-align: left;
            border-bottom: 1px solid #e5e7eb;
            font-size: 0.9em;
            white-space: nowrap; /* Prevents text wrapping in cells */
        }

        th {
            background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
            font-weight: 700;
            color: #374151;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            font-size: 0.8em;
            position: sticky;
            top: 0;
        }

        td {
            font-weight: 500;
        }

        tr:hover {
            background: #f9fafb;
        }

        /* How Calculator Works Button inside Results Card */
        .how-it-works-btn-inline {
            background: linear-gradient(135deg, #2C2C2C 0%, #1A1A1A 100%);
            color: white;
            margin: 20px auto 0;
            display: block;
            width: fit-content;
            box-shadow: 0 6px 20px rgba(99, 102, 241, 0.25);
            padding: 14px 28px;
            font-size: 0.95em;
        }

        .how-it-works-btn-inline:hover {
            background: linear-gradient(90deg, #ff2222, #ff2323);
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(99, 102, 241, 0.35);
        }

        /* Form Modal Enhancement */
        .form-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.6);
            z-index: 2000;
            backdrop-filter: blur(8px);
        }

        .form-modal {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            background: white;
            border-radius: 24px;
            box-shadow: 0 25px 50px rgba(0, 0, 0, 0.25);
            width: 90%;
            max-width: 500px;
            max-height: 90vh;
            overflow-y: auto;
        }

        .form-header {
            background: linear-gradient(135deg, #2C2C2C 0%, #1A1A1A 100%);
            color: white;
            padding: 24px 28px;
            border-radius: 24px 24px 0 0;
            text-align: center;
            position: relative;
        }

        .form-header h3 {
            font-size: 1.4em;
            margin-bottom: 8px;
            font-weight: 800;
        }

        .form-header p {
            opacity: 0.95;
            font-size: 0.95em;
            line-height: 1.4;
        }

        .close-form {
            position: absolute;
            top: 16px;
            right: 20px;
            background: rgba(255, 255, 255, 0.2);
            border: none;
            color: white;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            cursor: pointer;
            font-size: 18px;
            font-weight: bold;
            transition: all 0.3s ease;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .close-form:hover {
            background: rgba(255, 255, 255, 0.3);
            transform: rotate(90deg);
        }

        .form-body {
            padding: 28px;
        }

        .blurred {
            filter: blur(6px);
            pointer-events: none;
        }

        /* Success Messages */
        .success-box {
            border-radius: 16px;
            padding: 24px 28px;
            margin-bottom: 32px;
            text-align: center;
            box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
        }

        .success-box.positive {
            background: linear-gradient(135deg, #10b981 0%, #059669 100%);
            color: white;
        }

        .success-box.warning {
            background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
            color: white;
        }

        .success-box.alert {
            background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
            color: white;
        }

        .success-box h3 {
            font-size: 1.4em;
            margin-bottom: 12px;
            font-weight: 800;
        }

        .success-box p {
            opacity: 0.95;
            font-size: 1.05em;
            line-height: 1.6;
            font-weight: 500;
        }

        /* Key Insights */
        .key-insights {
            background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
            border: 2px solid #fbbf24;
            border-radius: 16px;
            padding: 24px;
            margin-bottom: 32px;
        }

        .key-insights h3 {
            color: #92400e;
            font-size: 1.2em;
            margin-bottom: 12px;
            font-weight: 800;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .key-insights p {
            color: #78350f;
            line-height: 1.7;
            font-size: 1em;
            font-weight: 500;
        }

        /* Growth Potential Section */
        .growth-potential {
    background: linear-gradient(135deg, #2C2C2C 0%, #1A1A1A 100%);
    color: #FFFFFF;
    padding: 40px 28px;
    border-radius: 20px;
    text-align: center;
    margin-bottom: 40px;
    position: relative;
    overflow: hidden;
}

.growth-potential::before {
    content: '';
    position: absolute;
    top: -40%;
    right: -40%;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.05) 0%, transparent 70%);
    border-radius: 50%;
}

.growth-potential h2 {
    font-size: 2em;
    margin-bottom: 16px;
    font-weight: 900;
    position: relative;
    z-index: 2;
}

.growth-potential .potential-value {
    font-size: 3em;
    font-weight: 900;
    color: #FF2B2B;
    margin: 16px 0;
    text-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
    position: relative;
    z-index: 2;
}

.growth-potential .potential-subtitle {
    font-size: 1.1em;
    margin-bottom: 16px;
    opacity: 0.9;
    position: relative;
    z-index: 2;
    font-weight: 600;
}

.growth-potential p {
    font-size: 1.1em;
    margin-bottom: 24px;
    opacity: 0.95;
    position: relative;
    z-index: 2;
    line-height: 1.5;
}

.btn-demo {
    background: #FF2B2B;
    color: #FFFFFF;
    padding: 16px 32px;
    font-size: 1.1em;
    font-weight: 800;
    border-radius: 50px;
    text-transform: uppercase;
    letter-spacing: 1px;
    position: relative;
    z-index: 2;
    box-shadow: 0 6px 20px rgba(255, 43, 43, 0.25);
    transition: all 0.3s ease;
    text-decoration: none;
}

.btn-demo:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(255, 43, 43, 0.35);
}

        /* Limited Time Offer */
        .limited-offer {
    background: linear-gradient(135deg, #2C2C2C 0%, #1A1A1A 100%);
    padding: 40px;
    border-radius: 12px;
    color: #FFFFFF;
    text-align: center;
    font-family: sans-serif;
}

.offer-badge {
    background-color: #FF2B2B;
    display: inline-block;
    padding: 6px 14px;
    border-radius: 20px;
    font-weight: bold;
    color: #FFFFFF;
    margin-bottom: 20px;
}

.limited-offer h2 {
    font-size: 28px;
    margin-bottom: 10px;
}

.subtitle {
    font-size: 18px;
    margin-bottom: 25px;
    color: #FFFFFF;
}

.demo-btn-large {
    display: inline-block;
    background-color: #FF2B2B;
    color: #FFFFFF;
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: bold;
    text-decoration: none;
    margin: 25px;
    transition: background 0.3s ease;
}

.demo-btn-large:hover {
    background-color: #E02424;
}

.features-list {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.feature-item {
    color: #FFFFFF;
    font-size: 16px;
    position: relative;
    padding-left: 20px;
}

.feature-item::before {
    content: "✓";
    color: #FF2B2B;
    position: absolute;
    left: 0;
}

        /* Popup Modal */
        .popup-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.6);
            z-index: 1500;
            backdrop-filter: blur(4px);
        }

        .popup-content {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            background: white;
            padding: 32px;
            border-radius: 20px;
            max-width: 600px;
            max-height: 85vh;
            overflow-y: auto;
            box-shadow: 0 25px 50px rgba(0, 0, 0, 0.25);
        }

        .popup-content h3 {
            color: #1e293b;
            margin-bottom: 20px;
            font-size: 1.6em;
            font-weight: 800;
        }

        .close-popup {
            position: absolute;
            top: 16px;
            right: 20px;
            background: #f3f4f6;
            border: none;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            font-size: 18px;
            cursor: pointer;
            color: #6b7280;
            transition: all 0.3s ease;
        }

        .close-popup:hover {
            background: #e5e7eb;
            color: #374151;
        }

        .formula {
            background: linear-gradient(135deg, #f1f5f9 0%, #e2e8f0 100%);
            border-radius: 12px;
            padding: 20px;
            margin: 20px 0;
            border-left: 4px solid #6366f1;
        }

        .formula-line {
            margin: 10px 0;
            font-family: 'Monaco', 'Menlo', monospace;
            font-size: 0.9em;
            color: #374151;
            font-weight: 500;
        }

        /* RESPONSIVE DESIGN - CRITICAL FIXES */

        /* Large Desktop */
        @media (min-width: 1400px) {
            .header-content,
            .content {
                max-width: 1300px;
                        text-align: center;
            }

            .calculator-container {
                gap: 40px;
            }
        }

        /* Desktop */
        @media (max-width: 1200px) {
            .header-content,
            .content {
                max-width: 1000px;
                        text-align: center;
            }

            .calculator-container {
                gap: 30px;
            }

            .calculator-card {
                padding: 28px;
            }
        }

        /* Tablet Landscape */
        @media (max-width: 1024px) {
            .header {
                padding: 35px 20px 25px;
            }

            .content {
                padding: 25px 20px;
            }

            .calculator-container {
                grid-template-columns: 1fr;
                gap: 25px;
                max-width: 600px;
                margin: 0 auto 30px;
            }

            .calculator-card {
                padding: 24px;
            }

            .section-header {
                font-size: 1.5em;
            }

            .header h1 {
                font-size: 2.4em;
            }

            .features-list {
                grid-template-columns: repeat(2, 1fr);
            }

            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            table {
                min-width: 600px;
            }

            th, td {
                padding: 10px 12px;
                font-size: 0.85em;
            }
        }

        /* Tablet Portrait */
        @media (max-width: 768px) {
            .header {
                padding: 30px 16px 20px;
            }

            .content {
                padding: 20px 16px;
            }

            .header h1 {
                font-size: 2em;
            }

            .zylu-logo-text {
                font-size: 1.6em;
            }

            .calculator-card {
                padding: 20px;
                border-radius: 20px;
            }

            .section-header {
                font-size: 1.3em;
                flex-direction: column;
                gap: 8px;
            }

            .input-grid {
                gap: 16px;
            }

            .metrics-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }

            .form-modal {
                width: 95%;
                margin: 10px;
            }

            .form-body, .form-header {
                padding: 20px;
            }

            .growth-potential {
                padding: 32px 20px;
            }

            .growth-potential h2 {
                font-size: 1.8em;
            }

            .growth-potential .potential-value {
                font-size: 2.5em;
            }

            .limited-offer {
                padding: 32px 20px;
            }

            .limited-offer h2 {
                font-size: 1.8em;
            }

            .features-list {
                grid-template-columns: 1fr;
            }

            table {
                min-width: 500px;
            }

            th, td {
                padding: 8px 10px;
                font-size: 0.8em;
            }
        }

        /* Mobile Large */
        @media (max-width: 640px) {
            .header {
                padding: 25px 16px 18px;
            }

            .content {
                padding: 18px 16px;
            }

            .header h1 {
                font-size: 1.8em;
            }

            .header p {
                font-size: 1.05em;
            }

            .calculator-card {
                padding: 18px;
            }

            .section-header {
                font-size: 1.2em;
            }

            .input-group label {
                font-size: 0.85em;
            }

            .input-group input {
                padding: 12px 16px;
                font-size: 0.95em;
            }

            .helper-text {
                font-size: 0.75em;
            }

            .btn-primary {
                padding: 14px 28px;
                font-size: 1em;
            }

            .metric-card {
                padding: 16px;
            }

            .metric-card .value {
                font-size: 1.4em;
            }

            .success-box, .key-insights {
                padding: 20px;
            }

            .growth-potential {
                padding: 28px 16px;
            }

            .growth-potential h2 {
                font-size: 1.6em;
            }

            .growth-potential .potential-value {
                font-size: 2.2em;
            }

            .limited-offer {
                padding: 28px 16px;
            }

            .limited-offer h2 {
                font-size: 1.6em;
            }

            .demo-btn-large {
                padding: 16px 32px;
                font-size: 1.1em;
                margin: 16px 8px;
            }

            .btn-demo {
                padding: 14px 28px;
                font-size: 1em;
            }

            .popup-content {
                margin: 16px;
                width: calc(100% - 32px);
                padding: 24px 20px;
            }

            .table-container h3 {
                padding: 16px 20px 10px;
                font-size: 1em;
            }

            table {
                min-width: 450px;
            }

            th, td {
                padding: 6px 8px;
                font-size: 0.75em;
            }
        }

        /* Mobile Small */
        @media (max-width: 480px) {
            .header {
                padding: 20px 12px 16px;
            }

            .content {
                padding: 16px 12px;
            }

            .header h1 {
                font-size: 1.3em;
            }

            .zylu-logo-text {
                font-size: 1.4em;
                letter-spacing: 2px;
            }

            .calculator-card {
                padding: 16px;
                border-radius: 16px;
            }

            .section-header {
                font-size: 1.1em;
            }

            .form-header, .form-body {
                padding: 16px;
            }

            .close-form {
                top: 12px;
                right: 16px;
                width: 32px;
                height: 32px;
                font-size: 16px;
            }

            .growth-potential {
                padding: 24px 12px;
            }

            .limited-offer {
                padding: 24px 12px;
            }

            .demo-btn-large {
                padding: 14px 28px;
                font-size: 1em;
                margin: 27px 4px;
            }

            table {
                min-width: 400px;
            }
        }

        .hidden {
            display: none;
        }

        #statusMessage {
            padding: 12px;
            border-radius: 8px;
            margin: 12px 0;
            text-align: center;
            font-weight: 600;
        }

        #statusMessage.success {
            background: #d1fae5;
            color: #065f46;
            border: 1px solid #10b981;
        }

        #statusMessage.error {
            background: #fee2e2;
            color: #991b1b;
            border: 1px solid #ef4444;
        }