        /* =========================================================
           GLOBAL
        ========================================================= */

        :root {
            --blue: #174bb8;
            --blue-light: #2f79ef;
            --blue-pale: #edf5ff;

            --text: #1d293d;
            --text-light: #314158;

            --border: #e4e9f0;

            --white: #ffffff;
            --background: #ffffff;

            --container: 1180px;
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            scroll-padding-top: 110px;
        }

        body {
            margin: 0;

            font-family:
                Arial,
                Helvetica,
                sans-serif;

            color: var(--text);
            background: var(--background);

            line-height: 1.6;
        }

        img {
            max-width: 100%;
            display: block;
        }

        a {
            color: inherit;
            text-decoration: none;
        }

        h1,
        h2,
        h3,
        .navigation a,
        .manufacturer-link {
            font-family: "Nunito Sans", Arial, sans-serif;
        }

        .container {
            width: min(calc(100% - 48px),
                    var(--container));

            margin: 0 auto;
        }


        /* =========================================================
           HEADER
        ========================================================= */

        .header {
            background: #ffffff;

            border-bottom:
                1px solid var(--border);

            position: sticky;
            top: 0;

            z-index: 100;
        }

        .header-inner {
            min-height: 90px;

            display: flex;
            align-items: center;
            justify-content: space-between;

            gap: 40px;
        }

        .logo {
            display: flex;
            align-items: center;
        }

        .logo img {
            width: 270px;
            height: auto;
        }

        .navigation {
            display: flex;
            align-items: center;

            gap: 36px;
        }

        .navigation a {
            font-size: 15px;
            font-weight: 600;

            color: #34445c;

            transition: color .2s;
        }

        .navigation a:hover {
            color: var(--blue);
        }

        .nav-dropdown {
            position: relative;
        }

        .nav-dropdown-title {
            cursor: pointer;
        }

        .nav-dropdown-menu {
            position: absolute;

            top: 100%;
            left: 0;

            min-width: 190px;

            padding: 10px 0;

            background: #ffffff;

            border: 1px solid var(--border);
            border-radius: 8px;

            box-shadow:
                0 10px 30px rgba(20, 43, 76, .10);

            display: none;

            z-index: 200;
        }

        .nav-dropdown-menu a {
            display: block;

            padding: 9px 16px;

            white-space: nowrap;

            font-size: 14px;
            font-weight: 600;
        }

        .nav-dropdown-menu a:hover {
            background: var(--blue-pale);
            color: var(--blue);
        }

        .nav-dropdown:hover .nav-dropdown-menu {
            display: block;
        }

        /* =========================================================
           HERO
        ========================================================= */

        .hero {
            position: relative;
            min-height: 320px;

            display: flex;
            align-items: center;

            padding: 0;

            overflow: hidden;

            background:
                linear-gradient(90deg,
                    rgba(255, 255, 255, 1) 0%,
                    rgba(255, 255, 255, .96) 30%,
                    rgba(255, 255, 255, .70) 55%,
                    rgba(255, 255, 255, .15) 100%),
                url("assets/laboratory-hero.jpg");

            background-size: cover;
            background-position: center right;
        }

        .hero-content {
            max-width: none;
            width: 100%;

            padding: 35px 0 40px;
        }

        .hero-title {
            margin: 0 0 24px;

            max-width: 100%;

            font-size: 42px;
            line-height: 1.15;
            font-weight: 700;

            color: var(--blue);

            white-space: nowrap;
        }

        .hero-text {
            margin: 0 0 34px;

            width: 75%;
            max-width: none;

            font-size: 19px;
            line-height: 1.65;

            color: var(--text-light);
        }

        .hero-button {
            display: inline-flex;
            align-items: center;
            gap: 12px;

            padding:
                15px 26px;

            border-radius: 8px;

            background: var(--blue-light);
            color: #ffffff;

            font-size: 16px;
            font-weight: 700;

            transition:
                background .2s,
                transform .2s;
        }

        .hero-button:hover {
            background: var(--blue);

            transform:
                translateY(-2px);
        }

        .hero-arrow {
            font-size: 22px;
        }

        /* =========================================================
           SECTION COMMON
        ========================================================= */

        section {
            padding:
                85px 0;
        }

        .section-title {
            margin:
                0 0 18px;

            text-align: center;

            font-size: 36px;
            line-height: 1.2;

            color: var(--blue);
        }

        .section-description {
            max-width: 820px;

            margin:
                0 auto 45px;

            text-align: center;

            font-size: 17px;

            color: var(--text-light);
        }


        /* =========================================================
           MANUFACTURERS
        ========================================================= */

        .manufacturers {
            background: #ffffff;
        }

        .manufacturer-grid {
            display: grid;

            grid-template-columns:
                repeat(3, 1fr);

            gap: 28px;
        }

        .manufacturer-card {
            display: flex;
            flex-direction: column;

            min-height: 390px;

            padding: 32px;

            background: #ffffff;

            border:
                1px solid var(--border);

            border-radius: 12px;

            box-shadow:
                0 12px 35px rgba(20, 43, 76, .05);

            transition:
                transform .25s,
                box-shadow .25s;
        }

        .manufacturer-card:hover {
            transform:
                translateY(-5px);

            box-shadow:
                0 18px 45px rgba(20, 43, 76, .10);
        }

        .manufacturer-logo {
            height: 95px;

            display: flex;
            align-items: center;

            margin-bottom: 22px;
        }

        .manufacturer-logo img {
            max-width: 220px;
            max-height: 75px;

            object-fit: contain;
        }

        .manufacturer-card h3 {
            margin:
                0 0 14px;

            font-size: 21px;

            color: var(--blue);
        }

        .manufacturer-card p {
            flex-grow: 1;

            margin:
                0 0 24px;

            font-size: 16px;

            color: var(--text-light);
        }

        .manufacturer-link {
            display: inline-flex;
            align-items: center;
            gap: 10px;

            width: fit-content;

            padding:
                10px 18px;

            border-radius: 30px;

            background: var(--blue-pale);

            color: var(--blue);

            font-size: 14px;
            font-weight: 600;
        }

        /* =========================================================
   MOBILE MENU BUTTON
========================================================= */

        .mobile-menu-button {
            display: none;

            width: 44px;
            height: 44px;

            padding: 9px;

            border: 0;
            background: transparent;

            cursor: pointer;
        }

        .mobile-menu-button span {
            display: block;

            width: 26px;
            height: 2px;

            margin: 5px auto;

            background: var(--blue);

            border-radius: 2px;
        }

        /* Keep anchor targets below the sticky header on small screens. */
        @media (max-width: 950px) {

            .header-inner {
                position: relative;
            }

            .navigation {
                display: none;

                position: absolute;
                top: 100%;
                left: 0;
                right: 0;

                flex-direction: column;
                align-items: stretch;
                gap: 0;

                padding: 15px 24px 20px;

                background: #ffffff;

                border-top: 1px solid var(--border);
                border-bottom: 1px solid var(--border);

                box-shadow: 0 10px 25px rgba(20, 43, 76, .08);
            }

            .navigation.mobile-open {
                display: flex;
            }

            .navigation>a,
            .nav-dropdown-title {
                padding: 10px 0;
            }

            .mobile-menu-button {
                display: block;
            }

            .nav-dropdown-menu {
                position: static;

                display: block;

                min-width: 0;

                padding: 0 0 5px 16px;

                border: 0;
                border-radius: 0;

                box-shadow: none;
            }
        }

        /* Keep anchor targets below the sticky header on small screens. */

        @media (max-width: 620px) {

            html {
                scroll-padding-top: 90px;
            }

            .hero-title {
                white-space: normal;
                font-size: 32px;
                line-height: 1.15;
            }

            .hero-text {
                width: 100%;
                text-align: justify;
            }
        }