:root {
            --tsus-blue: #003C69;
            --tsus-yellow: #FFB612;
            --tsus-black: #1E1E1E;
            --bg-light: #f5f5f5;
            --text-main: #222222;
        }

        * {
            box-sizing: border-box;
        }

        html {
            font-size: 16px;
        }

        body {
            margin: 0;
            font-family: "Myriad Pro", -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
            background: var(--bg-light);
            color: var(--text-main);
            line-height: 1.6;
            font-size: 16px;
        }


        html {
            font-size: 16px;
        }

        /* rovnaký základ na všetkých stránkach */
        body {
            font-size: 16px;
        }


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

        img {
            max-width: 100%;
            height: auto;
        }

        main {
            padding-bottom: 2rem;
        }

        .page-section {
            display: none;
        }

        .page-section.active {
            display: block;
        }

        .flag-icon {
            width: 18px;
            height: 18px;
            border-radius: 50%;
            object-fit: cover;
            box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.12);
            flex: 0 0 18px;
        }



        .section {
            max-width: 1200px;
            margin: 0 auto;
            padding: 2.4rem 1rem 3rem;
        }

        .section-header {
            margin-bottom: 1.4rem;
        }

        .section-title {
            font-size: 1.5rem;
            color: var(--tsus-blue);
            margin: 0 0 0.4rem;
        }

        .section-subtitle {
            font-size: 0.95rem;
            color: #555;
            max-width: 40rem;
        }

        header {
            position: sticky;
            top: 0;
            z-index: 50;
        }

        .top-bar {
            background: #ffffff;
            border-bottom: 1px solid #e0e0e0;
        }

        .top-bar-inner {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0.4rem 1rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 1rem;
        }

        .brand {
            display: flex;
            align-items: center;
            gap: 0.9rem;
            cursor: pointer;
        }

        .brand .logo {
            height: 2.6rem;
            width: auto;
            display: block;
        }

        .brand-text h1 {
            font-size: 1.1rem;
            margin: 0;
            letter-spacing: 0.04em;
            text-transform: uppercase;
        }

        .brand-text h1 .no-upper {
            text-transform: none;
        }


        .brand-text small {
            display: block;
            font-size: 0.8rem;
            color: #555;
        }

        .lang-switch {
            display: flex;
            gap: 0.5rem;
        }

        .lang-btn {
            border: 1px solid #d0d0d0;
            background: #ffffff;
            border-radius: 999px;
            padding: 0.15rem 0.6rem;
            font-size: 0.8rem;
            display: inline-flex;
            align-items: center;
            gap: 0.25rem;
            cursor: pointer;
        }

        .lang-btn.active {
            border-color: var(--tsus-blue);
            color: var(--tsus-blue);
        }

        .nav-bar {
            background: var(--tsus-blue);
            color: #ffffff;
        }

        .nav-bar-inner {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0.4rem 1rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
        }

        nav {
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
            font-size: 0.90rem;
        }

        nav a {
            position: relative;
            padding-bottom: 0.15rem;
        }

        nav a::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 0;
            height: 2px;
            background: var(--tsus-yellow);
            transition: width 0.2s ease-out;
        }

        nav a:hover::after,
        nav a.active::after {
            width: 100%;
        }

        .nav-cta {
            margin-left: auto;
            padding: 0.3rem 0.9rem;
            border-radius: 999px;
            background: var(--tsus-yellow);
            color: var(--tsus-black);
            font-weight: 600;
            border: none;
            font-size: 0.9rem;
        }

        .hero-section {
            background: #ffffff;
            border-bottom: 1px solid #e0e0e0;
        }

        .hero-inner {
            max-width: 1200px;
            margin: 0 auto;
            padding: 2.4rem 1rem 2.6rem;
            display: grid;
            grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
            gap: 2rem;
            align-items: flex-start;
            position: relative;
        }

        .hero-inner::before {
            content: "";
            position: absolute;
            right: 0;
            top: 1.3rem;
            width: 80px;
            height: 80px;
            border-right: 6px solid var(--tsus-blue);
            border-bottom: 6px solid var(--tsus-blue);
            opacity: 0.18;
        }

        .square-row {
            width: 100%;
            height: 10px;
            margin-bottom: 1rem;
            grid-column: 1 / -1;
            background-image: repeating-linear-gradient(to right,
                    var(--tsus-yellow),
                    var(--tsus-yellow) 10px,
                    transparent 10px,
                    transparent 14px);
        }

        .square {
            display: none;
        }

        .hero-text h2 {
            font-size: 2rem;
            margin: 0 0 0.75rem;
            color: var(--tsus-blue);
        }

        .hero-text p {
            margin: 0 0 1rem;
            max-width: 36rem;
        }

        .hero-text {
            font-size: 0.95rem;
        }

        .hero-text p,
        .lab-quote {
            font-size: 1em;
            /* nech berú 0.95rem z hero-text */
        }


        .lab-quote {
            font-style: italic;
            border-left: 4px solid var(--tsus-yellow);
            padding-left: 1.2rem;
            margin: 0 0 1.2rem 0;
            color: var(--tsus-blue);
            line-height: 1.7;
        }

        .hero-visual {
            background: #f0f3f7;
            border-radius: 12px;
            padding: 1.4rem 1.4rem 1.2rem;
            border: 1px solid #dde3ea;
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
            font-size: 0.95rem;
            margin-top: 0;
        }

        .hero-visual-title {
            font-weight: 600;
            color: var(--tsus-blue);
            font-size: 1rem;
            margin-bottom: 0.6rem;
        }

        .lab-map {
            max-width: 1200px;
            margin: 2.5rem auto 0;
            padding: 1.5rem 1.75rem;
            background: #ffffff;
            border-radius: 16px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.06);
        }

        .lab-map h3 {
            margin: 0 0 0.5rem;
            font-size: 1.25rem;
        }

        .lab-map-text {
            margin: 0 0 1rem;
            font-size: 0.95rem;
        }

        /* O LABORATÓRIU – mapa + info v grid-e */
        .lab-map {
            margin: 1.8rem auto 0;
            padding: 1.2rem 1.25rem;
        }

        .lab-map-grid {
            display: grid;
            grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
            gap: 1.2rem;
            align-items: start;
        }

        .lab-map h3 {
            margin: 0 0 0.4rem;
        }

        .lab-map-side {
            font-size: 0.92rem;
            color: #333;
        }

        .lab-map-side .mini {
            margin-top: 0.6rem;
            font-size: 0.85rem;
            color: #666;
        }

        .map-wrapper iframe {
            height: 300px;
            /* pôvodne 380, teraz viac “primerané” */
        }


        @media (max-width: 900px) {
            .lab-map-grid {
                grid-template-columns: 1fr;
            }

            .map-wrapper iframe {
                height: 260px;
            }
        }


        .map-wrapper {
            border-radius: 12px;
            overflow: hidden;
        }

        .map-wrapper iframe {
            display: block;
        }

        .building-photo {
            margin: 1.8rem 0 1.5rem;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12);
        }

        .building-photo img {
            display: block;
            width: 100%;
            height: auto;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: .6rem;
            margin-top: 1rem;
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: .7rem 1.3rem;
            border-radius: 999px;
            border: 1px solid var(--tsus-blue);
            color: var(--tsus-blue);
            background: transparent;
            font-weight: 600;
        }

        .btn-outline:hover {
            background: rgba(0, 60, 105, .08);
        }


        .cards-grid {
            display: grid;
            grid-template-columns: repeat(2, minmax(0, 1fr));
            gap: 1rem;
            font-size: 0.9rem;
        }

        .card {
            background: #ffffff;
            border-radius: 10px;
            padding: 1rem 1rem 1.1rem;
            border: 1px solid #e0e4eb;
        }

        .card-tag {
            font-size: 0.75rem;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: #777;
            margin-bottom: 0.3rem;
        }

        .card h3 {
            margin: 0 0 0.4rem;
            font-size: 1rem;
            color: var(--tsus-blue);
        }

        .card ul {
            margin: 0.3rem 0 0;
            padding-left: 1.1rem;
        }

        .card li {
            margin-bottom: 0.2rem;
        }

        .card ul a,
        .box ul a {
            display: inline-flex;
            align-items: center;
            gap: 0.25rem;
            text-decoration: none;
            border-radius: 999px;
            padding: 0.12rem 0.55rem;
            background: rgba(255, 182, 18, 0.06);
            font-weight: 600;
            font-size: 0.9rem;
            transition:
                background 0.15s ease,
                color 0.15s ease,
                text-decoration 0.15s ease,
                box-shadow 0.15s ease,
                transform 0.12s ease;
            position: relative;
        }

        .card ul a::after,
        .box ul a::after {
            content: "›";
            font-size: 0.85em;
            opacity: 0.7;
        }

        .card ul a:hover,
        .box ul a:hover {
            background: rgba(0, 60, 105, 0.18);
            color: var(--tsus-blue);
            text-decoration: underline;
            box-shadow: 0 3px 8px rgba(0, 60, 105, 0.35);
            transform: translateY(-1px);
        }

        .info-sheet-download {
            margin-top: 2rem;
            margin-bottom: 1.5rem;
            text-align: left;
        }

        .info-sheet-btn {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.7rem 1.4rem;
            border-radius: 999px;
            background: var(--tsus-yellow);
            color: #000;
            font-weight: 600;
            text-decoration: none;
            border: none;
            font-size: 0.9rem;
            white-space: nowrap;
            cursor: pointer;
        }


        .info-sheet-btn:hover {
            background: #ffd35a;
            transform: translateY(-1px);
            box-shadow: 0 10px 22px rgba(0, 0, 0, 0.18);
        }

        .info-sheet-btn:active {
            transform: translateY(0);
            box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
        }

        .doc-btn-row {
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem;
            align-items: center;
        }

        .two-cols {
            display: grid;
            grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
            gap: 1.5rem;
        }

        .box {
            background: #ffffff;
            border-radius: 10px;
            padding: 1rem 1.1rem 1.2rem;
            border: 1px solid #e0e4eb;
            font-size: 0.92rem;
        }

        .box h3 {
            margin: 0 0 0.4rem;
            font-size: 1rem;
            color: var(--tsus-blue);
        }

        .box ul {
            margin: 0.3rem 0 0.3rem;
            padding-left: 1.1rem;
        }

        .price-download {
            background: #ffffff;
            border-radius: 10px;
            padding: 1rem 1.1rem 1.2rem;
            border: 1px solid #e0e4eb;
            max-width: 520px;
        }

        .contact-section {
            display: grid;
            grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
            gap: 1.5rem;
        }

        .contact-row {
            margin-bottom: 0.3rem;
            font-size: 0.93rem;
        }

        .contact-group {
            margin-top: 0.9rem;
            padding-top: 0.4rem;
            border-top: 1px solid #eee;
        }

        .contact-group:first-of-type {
            margin-top: 0.4rem;
            border-top: none;
        }

        .contact-label {
            font-weight: 600;
        }

        .contact-note {
            font-size: 0.85rem;
            color: #555;
            margin-top: 0.4rem;
        }

        .contact-form label {
            display: block;
            font-size: 0.85rem;
            margin-bottom: 0.2rem;
        }

        .contact-form input,
        .contact-form textarea,
        .contact-form select {
            width: 100%;
            padding: 0.45rem 0.55rem;
            border-radius: 4px;
            border: 1px solid #d3d8e0;
            font-family: inherit;
            font-size: 0.9rem;
        }

        .contact-form textarea {
            min-height: 100px;
            resize: vertical;
        }

        .contact-form .form-row {
            margin-bottom: 0.6rem;
        }

        .btn-primary {
            background: var(--tsus-blue);
            color: #ffffff;
            padding: 0.7rem 1.3rem;
            border-radius: 999px;
            border: none;
            font-size: 0.95rem;
            font-weight: 600;
            cursor: pointer;
        }

        .btn-primary:hover {
            filter: brightness(0.95);
        }

        .dopyt-mode-switch {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            margin: 0.8rem 0 1.1rem;
        }

        .mode-btn {
            border-radius: 999px;
            border: 1px solid #d3d8e0;
            background: #f7f8fb;
            padding: 0.4rem 0.9rem;
            font-size: 0.85rem;
            font-weight: 600;
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
        }

        .mode-btn span {
            font-size: 0.9em;
            opacity: 0.8;
        }

        .mode-btn.active {
            background: var(--tsus-blue);
            color: #ffffff;
            border-color: var(--tsus-blue);
        }

        .mode-btn.active span {
            opacity: 1;
        }

        .order-section-title {
            margin-top: 1.2rem;
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--tsus-blue);
        }

        .order-table {
            width: 100%;
            border-collapse: collapse;
            margin-top: 0.6rem;
            font-size: 0.86rem;
        }

        .order-table th,
        .order-table td {
            border-bottom: 1px solid #e3e6ee;
            padding: 0.35rem 0.4rem;
            vertical-align: middle;
        }

        .order-table th {
            text-align: left;
            font-size: 0.8rem;
            color: #555;
            text-transform: uppercase;
            letter-spacing: 0.04em;
        }

        .order-table select,
        .order-table input[type="number"],
        .order-table input[type="text"] {
            width: 100%;
            box-sizing: border-box;
            font-size: 0.85rem;
        }

        .order-table .cell-price,
        .order-table .cell-subtotal {
            white-space: nowrap;
            text-align: right;
            font-variant-numeric: tabular-nums;
        }

        .order-table .row-remove {
            border: none;
            background: transparent;
            cursor: pointer;
            font-size: 1rem;
            line-height: 1;
            padding: 0.1rem 0.3rem;
            color: #999;
        }

        .order-table .row-remove:hover {
            color: #cc0000;
        }

        .order-controls {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 0.5rem;
            margin-top: 0.6rem;
            flex-wrap: wrap;
        }

        .btn-secondary {
            background: #ffffff;
            color: var(--tsus-blue);
            padding: 0.45rem 1.1rem;
            border-radius: 999px;
            border: 1px solid #d3d8e0;
            font-size: 0.85rem;
            font-weight: 600;
            cursor: pointer;
        }

        .btn-secondary:hover {
            background: #f0f3f8;
        }

        .order-summary {
            margin-top: 0.8rem;
            padding-top: 0.6rem;
            border-top: 1px dashed #d3d8e0;
            font-size: 0.87rem;
        }

        .order-summary-row {
            display: flex;
            justify-content: space-between;
            margin-bottom: 0.2rem;
        }

        .order-summary-row strong {
            font-weight: 700;
        }

        .order-summary-note {
            margin-top: 0.4rem;
            font-size: 0.78rem;
            color: #666;
        }

        footer {
            background: var(--tsus-blue);
            color: #ffffff;
            padding: 0.8rem 1rem;
            font-size: 0.8rem;
        }

        .footer-inner {
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
            gap: 1rem;
            flex-wrap: wrap;
        }

        @media (max-width: 900px) {
            .top-bar-inner {
                flex-direction: column;
                align-items: flex-start;
            }

            .nav-bar-inner {
                flex-direction: column;
                align-items: flex-start;
            }

            .nav-cta {
                margin-left: 0;
            }

            .hero-inner {
                grid-template-columns: minmax(0, 1fr);
            }

            .hero-inner::before {
                display: none;
            }

            .cards-grid {
                grid-template-columns: repeat(2, minmax(0, 1fr));
            }

            .two-cols,
            .contact-section {
                grid-template-columns: minmax(0, 1fr);
            }
        }

        @media (max-width: 480px) {
            .section {
                padding: 1.5rem 1rem 2rem;
            }
            .cards-grid {
                grid-template-columns: minmax(0, 1fr);
            }
            .card {
                padding: 0.75rem 0.75rem 0.8rem;
            }
            .card h3 {
                margin: 0 0 0.3rem;
                font-size: 0.95rem;
            }
            .card p {
                margin-bottom: 0.4rem;
                font-size: 0.85rem;
            }

            .card ul, .box ul {
                overflow-x: auto !important;
                -webkit-overflow-scrolling: touch;
                white-space: nowrap;
                padding: 0.3rem 0;
                margin: 0.2rem 0 0;
                padding-left: 0;
                list-style: none;
            }
            .card li, .box li {
                display: inline-block !important;
                white-space: nowrap !important;
                margin-bottom: 0 !important;
                margin-right: 0.3rem;
            }
            .card ul a, .box ul a {
                display: inline-block !important;
                padding: 0.2rem 0.4rem;
                background: rgba(255, 182, 18, 0.06);
                border-radius: 4px;
                text-decoration: none;
                color: inherit;
                font-weight: 600;
                font-size: 0.8rem;
                white-space: nowrap;
            }
            .card ul a::after, .box ul a::after {
                content: "›";
                font-size: 0.8em;
                opacity: 0.7;
            }
        }