@charset "utf-8";
        /* CSS variables based on creative-biolabs.com/adc */
        :root {
            --osa-primary-color: #005a9c; /* Main blue */
            --osa-secondary-color: #003366; /* Darker blue */
            --osa-accent-color: #f9d849; /* Yellow accent */
            --osa-background-color: #f8f9fa;
            --osa-card-background-color: #ffffff;
            --osa-text-primary-color: #333333;
            --osa-text-secondary-color: #555555;
            --osa-border-color: #dee2e6;
            --osa-font-family: 'Open Sans', sans-serif;
            --osa-animation-speed: 0.4s;
            --osa-link-color: #005a9c; /* New variable for links */

            --osa-width:1200px;
--osa-y-color:#f3e04e;
        }


        /* Container for consistent layout */
        .osa-container {
            max-width: var(--osa-width);
            margin-left: auto;
            margin-right: auto;
            padding: 0 1rem;
        }
        
        /* Section padding */
        section {
            padding: 4rem 0;
        }
        
        /* Italicized text */
        .osa-italic {
            font-style: italic;
        }
        
        /* General button styling */
        .osa-button, .osa-button:hover {
            padding: 0.75rem 1.5rem;
            border-radius: 0.25rem;
            text-decoration: none;
            font-weight: 600;
            transition: all 0.3s ease;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            cursor: pointer;
            border: 1px solid transparent;
        }

        .osa-button-primary, .osa-button-primary:hover {
            background-color: var(--osa-y-color);
            color: #000;
            border-color: var(--osa-y-color);
            text-decoration: none;
        }

        .osa-button-primary:hover {
            background-color: var(--osa-primary-color);
            border-color: var(--osa-primary-color);
            color: #fff;
        }

        .osa-button-secondary, .osa-button-secondary:hover {
            background-color: var(--osa-card-background-color);
            color: var(--osa-primary-color);
            border-color: var(--osa-primary-color);
            text-decoration: none;
        }
        
        .osa-button-secondary:hover {
             background-color: #f1f5f9;
        }

        /* Section Title */
        .osa-section-title {
            font-size: 2.25rem;
            color: var(--osa-secondary-color);
            text-align: center;
            margin-bottom: 3rem;
            font-weight: 700;
        }
        
        /* --- Banner Section --- */
        .osa-banner-section {
            background-color: #f4f7f9;
            padding: 4rem 0;
        }

        .osa-banner-container {
            display: flex;
            align-items: center;
            gap: 2rem;
        }

        .osa-banner-left {
            flex: 2; /* Increased flex for more text space */
        }

        .osa-banner-right {
            flex: 0.8; /* Decreased flex for smaller image */
            text-align: center;
        }
        
        .osa-banner-right img {
            max-width: 100%;
            height: auto;
            border-radius: 8px;
        }

        .osa-banner-title {
            font-size: 2.8rem;
            font-weight: 700;
            color: var(--osa-secondary-color);
            margin-bottom: 1.5rem;
        }

        .osa-banner-content {
            font-size: 1.1rem;
            margin-bottom: 2rem;
            line-height: 1.8;
            color: var(--osa-text-secondary-color);
        }

        .osa-banner-buttons {
            display: flex;
            gap: 1rem;
        }
        
        /* --- Sticky Navigation Tabs --- */
        .osa-quick-nav {
            background-color: var(--osa-card-background-color);
            border-bottom: 1px solid var(--osa-border-color);
            padding: 0 1rem;
            position: sticky;
            top: 130px;
            z-index: 900;
            box-shadow: 0 2px 4px rgba(0,0,0,0.05);
        }
        
        .osa-quick-nav-container {
            max-width: var(--osa-width);
            margin: auto;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .osa-quick-nav-links {
            display: flex;
            flex-wrap: wrap;
        }

        .osa-quick-nav a {
            padding: 1rem 1.1rem; /* Adjusted padding */
            font-size: 0.9rem; /* Adjusted font size */
            text-decoration: none;
            color: var(--osa-text-secondary-color);
            font-weight: 600;
            transition: color 0.3s ease, border-bottom-color 0.3s ease;
            border-bottom: 3px solid transparent;
        }
        
        .osa-quick-nav a:hover, .osa-quick-nav a.active {
            color: var(--osa-primary-color);
            border-bottom-color: var(--osa-primary-color);
            text-decoration: none;
        }
        
        .osa-quick-nav .osa-nav-inquiry {
            margin-left: auto;
            background-color: var(--osa-accent-color);
            color: var(--osa-secondary-color);
            padding: 0.6rem 1.2rem;
            border-radius: 5px;
            align-self: center;
        }
        
        .osa-quick-nav .osa-nav-inquiry:hover {
            background-color: #f9d849d9;
            color: var(--osa-secondary-color);
            border-bottom-color: transparent;
        }

        /* --- Role of In Vitro Analysis Section --- */
        .osa-role-section {
            background-color: var(--osa-background-color);
        }
        
        .osa-role-container {
           
            text-align: left; /* Changed from center */
        }
        
        .osa-role-container .osa-section-title {
            text-align: left; /* Changed from center */
        }

        .osa-role-container p {
            font-size: 1.1rem;
            line-height: 1.7;
            margin-bottom: 1rem;
        }
        
        .osa-role-container ul {
            list-style: none;
            padding: 0;
            margin: 2rem 0 0 0;
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
        }
        
        .osa-role-container ul li {
            font-weight: 600;
            color: var(--osa-secondary-color);
            background-color: var(--osa-card-background-color);
            padding: 0.75rem 1.5rem;
            border-radius: 50px;
            box-shadow: 0 2px 8px rgba(0,0,0,0.07);
        }

        /* --- Comprehensive Services Section --- */
        .osa-services-layout {
            display: flex;
            align-items: flex-start;
            gap: 50px; 
        }

        .osa-services-nav {
            width: 240px;
            flex-shrink: 0;
            position: sticky;
            top: 200px; /* Adjust for sticky nav height */
        }

        .osa-services-nav ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .osa-services-nav li a {
            display: block;
            padding: 12px 20px;
            color: var(--osa-text-secondary-color);
            text-decoration: none;
            font-weight: 600;
            border-left: 4px solid transparent;
            border-radius: 0 6px 6px 0;
            transition: all 0.25s ease-in-out;
        }

        .osa-services-nav li a:hover {
            background-color: #e9ecef;
            color: var(--osa-primary-color);
            text-decoration: none;
        }

        .osa-services-nav li a.active {
            background-color: #e6f0f7;
            border-left-color: var(--osa-primary-color);
            color: var(--osa-primary-color);
            font-weight: 700;
        }
        
        .osa-services-content {
            flex-grow: 1;
        }

        .osa-content-section {
            background-color: var(--osa-card-background-color);
            padding: 2.5rem;
            margin-bottom: 2.5rem;
            border-radius: 12px;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.05);
            scroll-margin-top: 80px; 
        }
        
        .osa-content-section h3 {
            font-size: 2rem;
            font-weight: 700;
            margin-top: 0;
            margin-bottom: 1rem;
            padding-bottom: 1rem;
            border-bottom: 3px solid #e6f0f7;
        }

        .osa-content-section h3 a {
            color: var(--osa-link-color);
            text-decoration: none;
        }
        
        .osa-content-section h3 a:hover {
            color: var(--osa-secondary-color);
            text-decoration: underline;
        }

        .osa-content-section > p {
            font-size: 1.05rem;
            margin-bottom: 2.5rem;
            color: var(--osa-text-secondary-color);
        }
        
        .osa-service-item {
            position: relative; 
            display: grid;
            grid-template-columns: 35% 1fr; 
            gap: 25px;
            align-items: center;
            padding: 20px;
            transition: transform 0.3s ease, box-shadow 0.3s ease, background-color 0.3s ease;
            border-radius: 8px;
        }
        
        .osa-service-item:nth-child(odd) {
            background-color: #fdfdfd;
        }
        .osa-service-item:nth-child(even) {
            background-color: #f8f9fa;
        }
        
        .osa-service-item:hover {
            transform: translateY(-5px);
            background-color: #fff;
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
            z-index: 2;
        }

        .osa-service-item h4 {
            margin: 0;
            font-size: 1.1rem;
            font-weight: 700;
        }

        .osa-service-item h4 a {
            color: var(--osa-link-color);
            text-decoration: none;
        }
        
        .osa-service-item h4 a:hover {
            text-decoration: underline;
        }
        
        .osa-service-item h4 a::after {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            bottom: 0;
            left: 0;
            z-index: 1;
        }

        .osa-service-item p {
            margin: 0;
            color: var(--osa-text-secondary-color);
            font-size: 0.95rem;
        }
        
        /* --- Technologies Section (New Style) --- */
        .osa-tech-section {
             background-color: var(--osa-background-color);
        }
        .osa-tech-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 2rem;
        }
        .osa-tech-card {
            background-color: var(--osa-card-background-color);
            border-radius: 8px;
            box-shadow: 0 4px 15px rgba(0,0,0,0.07);
            position: relative;
            overflow: hidden;
            height: 300px;
            padding: 1.5rem;
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            transition: all 0.4s ease;
            background-size: cover;
            background-position: center;
        }
        .osa-tech-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(to top, rgba(0, 51, 102, 0.85) 0%, rgba(0, 51, 102, 0) 60%);
            z-index: 1;
        }
        .osa-tech-card-content {
            position: relative;
            z-index: 2;
            color: white;
        }
        .osa-tech-card h3 {
            font-size: 1.5rem;
            margin: 0 0 0.5rem 0;
            font-weight: 700;
        }
        .osa-tech-card p {
            margin: 0;
            max-height: 0;
            opacity: 0;
            transition: max-height 0.4s ease, opacity 0.4s ease;
            line-height: 1.5;
        }
        .osa-tech-card:hover p {
            max-height: 200px;
            opacity: 1;
        }
        .osa-tech-card:hover::before {
             background: linear-gradient(to top, rgba(0, 51, 102, 0.95) 0%, rgba(0, 51, 102, 0.1) 100%);
        }

        /* --- Workflow Section --- */
        .osa-workflow-container {
           
            margin: auto;
        }
        .osa-workflow-steps {
            display: flex;
            justify-content: space-between;
            position: relative;
            margin-bottom: 2rem;
            padding: 0 25px;
        }
        .osa-workflow-steps::before {
            content: '';
            position: absolute;
            top: 25px; /* Aligns with center of button */
            left: 50px;
            right: 50px;
            height: 2px;
            background: var(--osa-border-color);
            z-index: 1;
        }
        .osa-workflow-step {
            position: relative;
            z-index: 2;
            text-align: center;
            width: 15%;
        }
        .osa-workflow-step button {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            border: 2px solid var(--osa-border-color);
            background-color: var(--osa-card-background-color);
            color: var(--osa-text-secondary-color);
            font-size: 1.5rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 0.5rem auto;
        }
        .osa-workflow-step button.active,
        .osa-workflow-step button:hover {
            background-color: var(--osa-primary-color);
            color: white;
            border-color: var(--osa-primary-color);
            transform: scale(1.1);
        }
        .osa-workflow-step p {
            font-weight: 600;
            color: var(--osa-text-secondary-color);
            transition: color 0.3s ease;
            font-size: 0.9rem;
        }
        .osa-workflow-step button.active + p,
        .osa-workflow-step button:hover + p {
            color: var(--osa-primary-color);
        }
        .osa-workflow-content {
            display: none;
            padding: 2rem;
            border: 1px solid var(--osa-border-color);
            border-radius: 8px;
            background-color: #fdfdfd;
        }
        .osa-workflow-content.active {
            display: block;
            animation: osa-fadeIn 0.5s ease-in-out;
        }
        .osa-workflow-content h4 {
            color: var(--osa-primary-color);
            margin-top: 0;
            margin-bottom: 1rem;
            font-size: 1.2rem;
        }
        .osa-workflow-cta {
            text-align: center;
            margin-top: 3rem;
        }

        /* --- Why Choose Us Section --- */
        .osa-why-us-section {
            background-color: var(--osa-background-color);
        }
        .osa-why-us-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 0.5rem;
        }
        .osa-why-us-card {
            text-align: center;
            padding: 1.5rem;
        }
        .osa-why-us-card h3 {
            font-size: 1.25rem;
            color: var(--osa-secondary-color);
            margin-bottom: 0.5rem;
        }
        .osa-why-us-card p {
            color: var(--osa-text-secondary-color);
            font-size: 0.95rem;
        }
        
        /* --- Sponsors/Trusted By Section --- */
        @keyframes osa-scroll {
            from { transform: translateX(0); }
            to { transform: translateX(-100%); }
        }
        .osa-sponsors-scroller {
            overflow: hidden;
            padding: 2rem 0;
            -webkit-mask-image: linear-gradient(to right, transparent, white 20%, white 80%, transparent);
            mask-image: linear-gradient(to right, transparent, white 20%, white 80%, transparent);
        }
        .osa-sponsors-track {
            display: flex;
            width: fit-content;
            animation: osa-scroll 80s linear infinite;
        }
        .osa-sponsors-scroller:hover .osa-sponsors-track {
            animation-play-state: paused;
        }
        .osa-sponsor-item {
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 0 40px;
            flex-shrink: 0;
            height: 60px; /* Set a fixed height for the container */
        }
        .osa-sponsor-item img {
            max-height: 100%; /* Use full height of container */
            width: auto;
            max-width: 160px; /* Prevent very wide logos from being too large */
            filter: grayscale(100%);
            opacity: 0.7;
            transition: all 0.3s ease;
        }
        .osa-sponsor-item:hover img {
            filter: grayscale(0%);
            opacity: 1;
            transform: scale(1.1);
        }
        
        /* --- Customer Review Section --- */
        .osa-review-section {
            background-color: var(--osa-background-color);
        }
        .osa-review-slider {
           
            width: 100%;
            overflow: hidden;
            position: relative;
            margin: auto;
        }
        .osa-review-slides-container {
            display: flex;
            transition: transform 0.7s ease-in-out;
        }
        .osa-review-slide {
            flex-shrink: 0;
            width: 100%;
            box-sizing: border-box;
            padding: 20px 0;
        }
        .osa-review-text-unit {
            background-color: #ffffff;
            margin: 0 auto;
            width: calc(100% - 60px);
            padding: 40px;
            text-align: center;
            border: 1px solid #e0e0e0;
            border-bottom: none;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
            position: relative;
            z-index: 2;
            border-radius: 8px 8px 0 0;
        }
        .osa-review-text-unit::after {
            content: '';
            position: absolute;
            bottom: -20px;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 0;
            border-left: 25px solid transparent;
            border-right: 25px solid transparent;
            border-top: 20px solid #ffffff;
        }
        .osa-review-quote {
            font-size: 1.1rem;
            font-style: italic;
            line-height: 1.6;
            color: #555;
            margin: 0;
        }
        .osa-review-info-unit {
            background-color: var(--osa-secondary-color);
            color: #ffffff;
            padding: 40px 40px 20px;
            position: relative;
            z-index: 1;
            min-height: 75px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            text-align: center;
            border-radius: 0 0 8px 8px;
        }
        .osa-review-customer-name {
            font-size: 1.25rem;
            font-weight: 700;
            margin: 0 0 5px 0;
        }
        .osa-review-customer-title {
            font-size: 1rem;
            font-weight: 400;
            margin: 0;
        }
        .osa-review-nav-dots {
            text-align: center;
            padding-top: 25px;
        }
        .osa-review-dot {
            cursor: pointer;
            height: 12px;
            width: 12px;
            margin: 0 5px;
            background-color: #cccccc;
            border-radius: 50%;
            display: inline-block;
            transition: background-color 0.3s ease, width 0.3s ease;
            border: none;
            padding: 0;
        }
        .osa-review-dot.active {
            background-color: var(--osa-primary-color);
            width: 30px;
            border-radius: 10px;
        }
        
        /* --- Case Study Section --- */
        .osa-case-studies-container {
           
            margin: auto;
        }
        .osa-case-tabs {
            display: flex;
            border-bottom: 2px solid var(--osa-border-color);
            margin-bottom: 2rem;
            flex-wrap: wrap;
        }
        .osa-case-tab {
            padding: 0.75rem 1.5rem;
            cursor: pointer;
            font-weight: 600;
            color: var(--osa-text-secondary-color);
            border-bottom: 2px solid transparent;
            margin-bottom: -2px;
            transition: all 0.3s ease;
        }
        .osa-case-tab.active, .osa-case-tab:hover {
            color: var(--osa-primary-color);
            border-color: var(--osa-primary-color);
        }
        .osa-case-content {
            display: none;
        }
        .osa-case-content.active {
            display: block;
            animation: osa-fadeIn 0.5s ease-in-out;
        }
        @keyframes osa-fadeIn {
            from { opacity: 0; transform: translateY(10px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .osa-case-content-grid {
            display: grid;
            grid-template-columns: 2fr 1fr; /* Changed ratio */
            gap: 2rem;
            align-items: center;
        }
        .osa-case-content-grid img {
            width: 100%;
            height: auto;
            border-radius: 8px;
            box-shadow: 0 4px 15px rgba(0,0,0,0.1);
        }
        .osa-case-content h3 {
            color: var(--osa-secondary-color);
            margin-bottom: 1rem;
            font-size: 1.5rem;
        }
        .osa-case-content p {
             color: var(--osa-text-secondary-color);
        }
        .osa-case-content ul {
            list-style: none;
            padding-left: 0;
            margin-top: 1rem;
        }
        .osa-case-content ul li {
            margin-bottom: 0.5rem;
            display: flex;
            color: var(--osa-text-secondary-color);
        }
        .osa-case-content ul li::before {
            content: '✓';
            color: var(--osa-primary-color);
            margin-right: 0.75rem;
            font-weight: bold;
        }
        .osa-case-download-btn {
            margin-top: 2rem;
        }
        
        /* --- FAQ Section --- */
        .osa-faq-section {
            background-color: var(--osa-background-color);
        }
        .osa-faq-wrapper {
          
            margin: auto;
        }
        .osa-faq-item {
            border: 1px solid var(--osa-border-color);
            border-radius: 8px;
            overflow: hidden;
            background-color: var(--osa-card-background-color);
            margin-bottom: 1rem;
        }
        .osa-faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 1.25rem;
            cursor: pointer;
            transition: background-color 0.3s ease;
        }
        .osa-faq-question:hover {
            background-color: #f8f9fa;
        }
        .osa-faq-q {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--osa-secondary-color);
            margin: 0;
        }
        .osa-faq-icon {
            width: 24px;
            height: 24px;
            transition: transform 0.3s ease;
            flex-shrink: 0;
            margin-left: 1rem;
            color: var(--osa-primary-color);
        }
        .osa-faq-icon.active {
            transform: rotate(45deg);
        }
        .osa-faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.5s ease-in-out;
        }
        .osa-faq-answer.active {
            max-height: 300px;
        }
        .osa-faq-a {
            padding: 0 1.25rem 1.25rem 1.25rem;
            color: var(--osa-text-secondary-color);
            line-height: 1.7;
        }

        /* --- Featured Products & Resources --- */
        .osa-featured-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
        }
        .osa-featured-card {
            display: block;
            background-color: var(--osa-card-background-color);
            border-radius: 8px;
            box-shadow: 0 4px 15px rgba(0,0,0,0.07);
            overflow: hidden;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
        .osa-featured-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 25px rgba(0,0,0,0.1);
            text-decoration: none;
        }
        .osa-featured-card img {
            width: 100%;
            height: 140px; /* Reduced height */
            object-fit: cover;
            display: block;
        }
        .osa-featured-card-content {
            padding: 1.5rem;
        }
        .osa-featured-card-content h3 {
            margin-top: 0;
            margin-bottom: 0.5rem;
            font-size: 1.25rem;
            color: var(--osa-secondary-color);
        }
        .osa-featured-card-content p {
            color: var(--osa-text-secondary-color);
            margin: 0;
        }
        
       
        .osa-resources-section{
            margin-bottom:20px;
        }
        /* Responsive Adjustments */
        @media (max-width: 992px) {
            .osa-services-layout { flex-direction: column; }
            .osa-services-nav { position: static; width: 100%; margin-bottom: 2rem; }
            .osa-services-nav ul { flex-direction: row; flex-wrap: wrap; gap: 0.5rem; }
            .osa-case-content-grid { grid-template-columns: 1fr; }
            .osa-case-content-grid img { grid-row-start: 1; margin-bottom: 1.5rem; }
        }

        @media (max-width: 768px) {
            .osa-banner-container { flex-direction: column; text-align: center; }
            .osa-banner-buttons { justify-content: center; }
            .osa-section-title { font-size: 1.8rem; }
            .osa-banner-title { font-size: 2.2rem; }
            .osa-quick-nav {top: 0px;}
            .osa-quick-nav a {padding: 0.5rem; /* Adjusted padding */}
            /* .osa-quick-nav-links { display: none; } Simplified nav for mobile */
            .osa-workflow-steps { display: none; }
            .osa-workflow-content { display: block; margin-bottom: 1rem; }
            .osa-workflow-content:not(:first-child) { margin-top: 1rem; }
        }