:root {
            --halloween-primary-color: #c0392b;
            --halloween-secondary-color: #FF8C00;
            --halloween-text-color: #333;
            --halloween-background-color: #f9f9f9;
            --halloween-card-bg: #fff;
            --halloween-border-radius: 8px;
            --halloween-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
            --halloween-base-font-size: 16px;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: Helvetica, Arial, sans-serif;
        }

        .halloween-container {
            background-color: var(--halloween-background-color);
            color: var(--halloween-text-color);
            padding: 20px 10px;
            position: relative;
            overflow-x: hidden;
            font-size: var(--halloween-base-font-size);
            line-height: 1.6;
        }



        .halloween-grid-container {
            max-width: 1400px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 1fr 1fr 1fr;
            gap: 20px;
        }

        .halloween-module {
            background-color: var(--halloween-card-bg);
            border-radius: var(--halloween-border-radius);
            box-shadow: var(--halloween-shadow);
            padding: 25px;
            position: relative;
            overflow: hidden;
            animation: fadeIn 0.5s ease-in-out;
            align-self: flex-start;
        }

        .halloween-title {
            font-size: clamp(1.5rem, 3vw, 2rem);
            margin-bottom: 20px;
            color: var(--halloween-primary-color);
            position: relative;
            padding-bottom: 10px;
        }

        .halloween-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 60px;
            height: 3px;
            background-color: var(--halloween-primary-color);
            border-radius: 2px;
        }

        /* Size Chart Module */
        .halloween-size-options {
            display: flex;
            justify-content: center;
            gap: 8px;
            margin-bottom: 20px;
            flex-wrap: wrap;
        }

        .halloween-size-btn {
            padding: 8px 16px;
            border: 1px solid #ddd;
            border-radius: 20px;
            background-color: #fff;
            cursor: pointer;
            transition: all 0.3s ease;
            font-weight: 500;
            font-size: 1rem;
        }

        .halloween-size-btn.active {
            background-color: var(--halloween-primary-color);
            color: white;
            border-color: var(--halloween-primary-color);
        }

        .halloween-size-btn:hover:not(.active) {
            background-color: #f5f5f5;
            transform: scale(1.05);
        }

        .halloween-size-details {
            margin-bottom: 25px;
        }

        .halloween-size-item {
            display: flex;
            justify-content: space-between;
            padding: 12px 15px;
            border-bottom: 1px solid #eee;
        }

        .halloween-size-label {
            font-weight: 500;
        }

        .halloween-size-value {
            color: var(--halloween-primary-color);
            font-weight: bold;
            font-size: 1.1rem;
        }

        .halloween-unit-conversion {
            display: flex;
            justify-content: center;
            gap: 10px;
            margin-bottom: 20px;
        }

        .halloween-unit-btn {
            padding: 8px 16px;
            border-radius: 20px;
            border: none;
            cursor: pointer;
            font-weight: 500;
            transition: all 0.3s ease;
            font-size: 1rem;
        }

        .halloween-unit-btn.active {
            background-color: var(--halloween-primary-color);
            color: white;
        }

        .halloween-unit-btn:not(.active) {
            background-color: #ffffff;
            color: #333333;
            border: 1px solid #ccc;
        }

        /* Product Description Module */
        .halloween-product-description {
            line-height: 1.6;
            color: #333;
        }

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

        .description-title {
            font-size: 1.2rem;
            font-weight: bold;
            color: #c0392b;
            margin-bottom: 0.5rem;
        }

        .description-text {
            margin-bottom: 1rem;
            text-align: left;
            word-spacing: normal;
            letter-spacing: normal;
        }

        .halloween-highlight {
            color: #cc0000 !important;
            font-weight: bold !important;
            text-decoration: none !important;
        }

        /* Features Module */
        .halloween-features-list {
            list-style-type: none;
            padding-left: 0;
            color: #333;
            margin: 0;
        }

        .halloween-features-list li {
            position: relative;
            padding: 12px 0 12px 20px;
            margin-bottom: 12px;
            border-bottom: 1px solid #eee;
            line-height: 1.6;
        }

        .halloween-features-list li::before {
            content: '•';
            color: #cc0000;
            font-size: 1.8em;
            position: absolute;
            left: 2px;
            top: 50%;
            transform: translateY(-50%);
            z-index: 1;
        }

        .halloween-features-list li:last-child {
            border-bottom: none;
        }

        /* Responsive adjustments */
        @media (max-width: 768px) {
            .halloween-grid-container {
                grid-template-columns: 1fr;
                gap: 1.5rem;
                padding: 1rem;
            }

            .halloween-module {
                grid-column: 1;
                grid-row: auto;
                padding: 1.5rem;
            }

            .description-title {
                font-size: 1.1rem;
            }

            .description-text {
                font-size: 0.9rem;
            }
        }

        @media (max-width: 420px) {
            .halloween-grid-container {
                padding: 0.5rem;
                gap: 1rem;
            }

            .halloween-module {
                padding: 1rem;
                border-radius: 8px;
            }

            .halloween-size-btn {
                padding: 6px 12px;
            }
        }

        /* Animation keyframes */
        @keyframes fadeIn {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }