/* Unique Namespace Prefix: sd- (Special Design) to prevent conflicts */

        :root {
            --sd-font-family: 'Inter Tight', sans-serif;
            --sd-color-dark: #111111;
            --sd-color-gray: #000000;
            --sd-color-light-gray: #E5E5E5; /* Matches the inactive text color in image */
            --sd-bg-gray: #F4F4F4;
            --sd-border-radius: 24px;
        }

        body {
            margin: 0;
            padding: 20px;
            font-family: var(--sd-font-family);
            background-color: #fff;
            color: var(--sd-color-dark);
            display: flex;
            justify-content: center;
            align-items: center;
            min-height: 100vh;
        }

        .sd-main-container {
            max-width: 1200px;
            width: 100%;
            margin: 0 auto;
        }

        /* Header Section Styles */
        .sd-header {
            text-align: center;
            margin-bottom: 60px;
        }

        .sd-title {
            font-size: 58px;
            font-weight: 500;
            margin-bottom: 16px;
            letter-spacing: -1px;
        }

        .sd-subtitle {
            color: var(--sd-color-gray);
            font-size: 18px;
            line-height: 1.5;
            max-width: 600px;
            margin: 0 auto 32px auto;
            font-weight: 400;
        }

        .sd-btn-browse {
            background: transparent;
            border: 1px solid var(--sd-color-dark);
            padding: 12px 32px;
            border-radius: 50px;
            font-family: var(--sd-font-family);
            font-size: 16px;
            font-weight: 500;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .sd-btn-browse:hover {
            background: var(--sd-color-dark);
            color: #fff;
        }

        /* Content Grid Styles */
        .sd-content-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            align-items: start;
        }

        /* Accordion Section Styles */
        .sd-accordion-wrapper {
            background-color: var(--sd-bg-gray);
            padding: 40px;
            border-radius: var(--sd-border-radius);
            min-height: 500px; /* Ensure height matches image area roughly */
            box-sizing: border-box;
        }

        .sd-acc-item {
            margin-bottom: 24px;
            border-bottom: 1px solid transparent; /* Placeholder for potential dividers */
        }

        .sd-acc-header {
            font-size: 28px;
            font-weight: 500;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: var(--sd-color-light-gray); /* Inactive color */
            transition: color 0.3s ease;
        }

        /* The circle icon wrapper */
        .sd-acc-icon {
            width: 32px;
            height: 32px;
            background-color: transparent;
            border-radius: 50%;
            display: flex;
            justify-content: center;
            align-items: center;
            position: relative;
            transition: background-color 0.3s ease;
        }

        /* The plus/minus lines */
        .sd-acc-icon::before,
        .sd-acc-icon::after {
            content: '';
            position: absolute;
            background-color: var(--sd-color-light-gray);
            transition: transform 0.3s ease, background-color 0.3s ease;
        }

        /* Horizontal line (always visible) */
        .sd-acc-icon::before {
            width: 14px;
            height: 2px;
        }

        /* Vertical line (rotates to make plus/minus) */
        .sd-acc-icon::after {
            width: 2px;
            height: 14px;
        }

        .sd-acc-body {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.5s cubic-bezier(0.25, 0.8, 0.25, 1);
            padding-right: 40px;
        }

        .sd-acc-desc {
            color: var(--sd-color-gray);
            font-size: 16px;
            line-height: 1.6;
            margin-top: 16px;
            margin-bottom: 8px;
        }

        /* Active State Styling */
        .sd-acc-item.sd-active .sd-acc-header {
            color: var(--sd-color-dark);
        }

        .sd-acc-item.sd-active .sd-acc-icon {
            background-color: var(--sd-color-dark);
        }

        .sd-acc-item.sd-active .sd-acc-icon::before,
        .sd-acc-item.sd-active .sd-acc-icon::after {
             background-color: #fff;
        }
        
        /* Rotate vertical line to form minus */
        .sd-acc-item.sd-active .sd-acc-icon::after {
            transform: rotate(90deg);
        }
        
        /* Image Section Styles */
        .sd-image-wrapper {
            height: 100%;
            min-height: 500px;
            border-radius: var(--sd-border-radius);
            overflow: hidden;
            position: relative;
        }

        .sd-service-img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
            opacity: 0;
            transition: opacity 0.5s ease-in-out;
            position: absolute;
            top:0;
            left:0;
        }
        
        .sd-service-img.sd-img-active {
            opacity: 1;
            position: relative; /* Ensure the active one takes up space if needed, though absolute stacking works here */
        }

        /* Responsiveness */
        @media (max-width: 768px) {
            .sd-title {
                font-size: 36px;
            }
            
            .sd-content-grid {
                grid-template-columns: 1fr;
            }

            .sd-accordion-wrapper {
                padding: 24px;
                min-height: auto;
            }
            
            .sd-acc-header {
                font-size: 24px;
            }

            .sd-image-wrapper {
                min-height: 300px;
                max-height: 400px;
            }
        }