
        :root {
            --color-white: rgba(255, 255, 255, 1);
            --color-black: rgba(0, 0, 0, 1);
            --color-cream-50: rgba(252, 252, 249, 1);
            --color-cream-100: rgba(255, 255, 253, 1);
            --color-gray-200: rgba(245, 245, 245, 1);
            --color-gray-300: rgba(167, 169, 169, 1);
            --color-gray-400: rgba(119, 124, 124, 1);
            --color-slate-500: rgba(98, 108, 113, 1);
            --color-brown-600: rgba(94, 82, 64, 1);
            --color-charcoal-700: rgba(31, 33, 33, 1);
            --color-charcoal-800: rgba(38, 40, 40, 1);
            --color-slate-900: rgba(19, 52, 59, 1);
            --color-teal-300: rgba(50, 184, 198, 1);
            --color-teal-400: rgba(45, 166, 178, 1);
            --color-teal-500: rgba(33, 128, 141, 1);
            --color-teal-600: rgba(29, 116, 128, 1);
            --color-teal-700: rgba(26, 104, 115, 1);
            --color-teal-800: rgba(41, 150, 161, 1);
            --color-red-400: rgba(255, 84, 89, 1);
            --color-red-500: rgba(192, 21, 47, 1);
            --color-orange-400: rgba(230, 129, 97, 1);
            --color-orange-500: rgba(168, 75, 47, 1);
            --color-brown-600-rgb: 94, 82, 64;
            --color-teal-500-rgb: 33, 128, 141;
            --color-slate-900-rgb: 19, 52, 59;
            --color-slate-500-rgb: 98, 108, 113;
            --color-red-500-rgb: 192, 21, 47;
            --color-red-400-rgb: 255, 84, 89;
            --color-orange-500-rgb: 168, 75, 47;
            --color-orange-400-rgb: 230, 129, 97;
            --color-bg-1: rgba(59, 130, 246, 0.08);
            --color-bg-2: rgba(245, 158, 11, 0.08);
            --color-bg-3: rgba(34, 197, 94, 0.08);
            --color-bg-4: rgba(239, 68, 68, 0.08);
            --color-bg-5: rgba(147, 51, 234, 0.08);
            --color-bg-6: rgba(249, 115, 22, 0.08);
            --color-bg-7: rgba(236, 72, 153, 0.08);
            --color-bg-8: rgba(6, 182, 212, 0.08);
            --color-background: #ffffff;
            --color-surface: #f8f9fa;
            --color-text: #333333;
            --color-text-secondary: #555555;
            --color-primary: var(--medical-blue-medium);
            --color-primary-hover: #005bb3;
            --color-primary-active: #004a99;
            --accent-green: #2DBA6A;
            --accent-green-rgb: 45,186,106;
            --color-secondary: rgba(var(--color-brown-600-rgb), 0.12);
            --color-secondary-hover: rgba(var(--color-brown-600-rgb), 0.2);
            --color-secondary-active: rgba(var(--color-brown-600-rgb), 0.25);
            --color-border: rgba(var(--color-brown-600-rgb), 0.2);
            --color-btn-primary-text: var(--color-cream-50);
            --color-card-border: rgba(var(--color-brown-600-rgb), 0.12);
            --color-card-border-inner: rgba(var(--color-brown-600-rgb), 0.12);
            --color-error: var(--color-red-500);
            --color-success: var(--color-teal-500);
            --color-warning: var(--color-orange-500);
            --color-info: var(--color-slate-500);
            --color-focus-ring: rgba(var(--color-teal-500-rgb), 0.4);
            --color-select-caret: rgba(var(--color-slate-900-rgb), 0.8);
            --focus-ring: 0 0 0 3px var(--color-focus-ring);
            --focus-outline: 2px solid var(--color-primary);
            --status-bg-opacity: 0.15;
            --status-border-opacity: 0.25;
            --font-family-base: "Arial", "Helvetica", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
            --font-family-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
            --font-size-xs: 11px;
            --font-size-sm: 12px;
            --font-size-base: 14px;
            --font-size-md: 14px;
            --font-size-lg: 16px;
            --font-size-xl: 18px;
            --font-size-2xl: 20px;
            --font-size-3xl: 24px;
            --font-size-4xl: 30px;
            --font-weight-normal: 400;
            --font-weight-medium: 500;
            --font-weight-semibold: 550;
            --font-weight-bold: 600;
            --line-height-tight: 1.2;
            --line-height-normal: 1.5;
            --letter-spacing-tight: -0.01em;
            --space-0: 0;
            --space-1: 1px;
            --space-2: 2px;
            --space-4: 4px;
            --space-6: 6px;
            --space-8: 8px;
            --space-10: 10px;
            --space-12: 12px;
            --space-16: 16px;
            --space-20: 20px;
            --space-24: 24px;
            --space-32: 32px;
            --space-40: 40px;
            --radius-sm: 6px;
            --radius-base: 8px;
            --radius-md: 10px;
                        --space-40: 40px;
                        --space-48: 48px;
                        --space-56: 56px;
            --radius-lg: 12px;
            --radius-full: 9999px;
            --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.02);
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04), 0 1px 2px rgba(0, 0, 0, 0.02);
            --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.04), 0 2px 4px -1px rgba(0, 0, 0, 0.02);
            --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.04), 0 4px 6px -2px rgba(0, 0, 0, 0.02);
            --shadow-inset-sm: inset 0 1px 0 rgba(255, 255, 255, 0.15), inset 0 -1px 0 rgba(0, 0, 0, 0.03);
            --duration-fast: 150ms;
            --duration-normal: 250ms;
            --ease-standard: cubic-bezier(0.16, 1, 0.3, 1);
            --container-sm: 640px;
            --container-md: 768px;
            --container-lg: 1024px;
            --container-xl: 1280px;
            --medical-blue-dark: #003366;
            --medical-blue-medium: #0066CC;
            --medical-blue-light: #E6F2FF;
        }



        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        html {
            font-size: var(--font-size-base);
            font-family: var(--font-family-base);
            line-height: var(--line-height-normal);
            color: var(--color-text);
            background-color: var(--color-background);
            -webkit-font-smoothing: antialiased;
        }

        body {
            margin: 0;
            padding: 0;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        h1, h2, h3, h4, h5, h6 {
            margin: 0;
            font-weight: var(--font-weight-semibold);
            line-height: var(--line-height-tight);
            color: var(--color-text);
            letter-spacing: var(--letter-spacing-tight);
        }

        h1 { font-size: var(--font-size-4xl); }
        h2 { font-size: var(--font-size-3xl); }
        h3 { font-size: var(--font-size-2xl); }
        h4 { font-size: var(--font-size-xl); }
        h5 { font-size: var(--font-size-lg); }
        h6 { font-size: var(--font-size-md); }

        p {
            margin: 0 0 var(--space-16) 0;
        }

        /* Navigation Styles */
        .navbar {
            background: white;
            color: var(--medical-blue-dark);
            padding: var(--space-16) 0;
            box-shadow: var(--shadow-md);
            position: sticky;
            top: 0;
            z-index: 1000;
        }

        /* Top contact bar above navbar */
        .topbar {
            background: var(--medical-blue-dark);
            border-bottom: 1px solid rgba(0,0,0,0.12);
            font-size: 13px;
        }

        .topbar-container {
            max-width: var(--container-xl);
            margin: 0 auto;
            padding: 4px var(--space-12);
            display: flex;
            justify-content: flex-end;
            align-items: center;
            gap: var(--space-12);
        }

        .topbar-left {
            display: none; /* intentionally empty in current layout */
        }

        .topbar-right {
            display: flex;
            gap: var(--space-16);
            align-items: center;
            margin-left: auto;
        }

        .topbar-item {
            display: inline-flex;
            align-items: center;
            gap: var(--space-6);
            color: var(--color-cream-50);
            text-decoration: none;
            font-weight: var(--font-weight-semibold);
            background: transparent;
            padding: 4px 6px;
        }

        .topbar-item:hover .topbar-text {
            color: var(--accent-green);
        }

        /* Icons removed visually — keep markup safe but hide icon elements */
        .topbar-icon { display: none; }

        .topbar-item--phone .topbar-icon { display: none; }
        .topbar-item--email .topbar-icon { display: none; }

        .topbar-text {
            display: inline-block;
            color: var(--color-cream-50);
            font-size: var(--font-size-base);
            transition: color var(--duration-fast) var(--ease-standard);
        }

        /* Temporary feedback: hover or active (click) shows accent color, then reverts. No persistent focus/visited color change. */
        .topbar-item:hover .topbar-text,
        .topbar-item:active .topbar-text {
            color: var(--accent-green);
        }

        .topbar-right {
            display: flex;
            align-items: center;
        }

        .topbar-contact-btn {
            display: inline-block;
            background: var(--medical-blue-medium);
            color: white;
            padding: 8px 16px;
            border-radius: 6px;
            text-decoration: none;
            font-weight: var(--font-weight-semibold);
            box-shadow: 0 4px 12px rgba(0,0,0,0.08);
        }

        .topbar-contact-btn:hover,
        .topbar-contact-btn:focus {
            background: var(--color-primary-hover);
            transform: translateY(-2px);
        }

        @media (max-width: 768px) {
            .topbar-container { padding: 6px var(--space-10); }
            .topbar-text { display: none; }
            .topbar-contact-btn { padding: 8px 12px; font-size: var(--font-size-sm); }
        }

        .nav-container {
            max-width: var(--container-xl);
            margin: 0 auto;

        /* Enforce consistent title color and size across pages */
        .page h1,
        .container h1,
        .page-hero h1,
        .hero h1,
        .products-header h1,
        .about-section h1,
        #hero-heading,
        #about-heading,
        #contactPage h1 {
            color: var(--medical-blue-dark) !important;
            font-size: clamp(30px, 3.6vw, 40px) !important;
            line-height: 1.08;
            text-align: center;
        }
            padding: 0 var(--space-16);
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .nav-brand {
            display: flex;
            align-items: center;
            gap: var(--space-12);
            cursor: pointer;
            text-decoration: none;
        }

        .logo {
            height: 65px;
            width: auto;
            object-fit: contain;
        }

        .company-name {
            font-size: var(--font-size-lg);
            font-weight: var(--font-weight-semibold);
            color: white;
            line-height: 1.3;
        }

        .nav-menu {
            display: flex;
            gap: var(--space-8);
            list-style: none;
        }

        .nav-item {
            display: inline-block;
        }

        .nav-link {
            color: var(--medical-blue-dark);
            text-decoration: none;
            padding: var(--space-10) var(--space-20);
            border-radius: var(--radius-base);
            transition: all var(--duration-normal) var(--ease-standard);
            cursor: pointer;
            font-size: var(--font-size-base);
            font-weight: var(--font-weight-medium);
            display: inline-block;
            min-width: 44px;
            min-height: 44px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .nav-link:hover {
            background: var(--color-primary-hover);
            color: white;
        }

        .nav-link.active {
            background: var(--medical-blue-medium);
            color: white;
            font-weight: var(--font-weight-semibold);
        }

        /* Contact Button Styling */
        .nav-link[data-page="contact"] {
            background: var(--accent-green);
            color: white;
            padding: 12px 24px;
            border-radius: 8px;
            box-shadow: 0 2px 10px rgba(var(--accent-green-rgb), 0.18);
            font-weight: var(--font-weight-semibold);
            margin-left: var(--space-12);
        }

        .nav-link[data-page="contact"]:hover {
            background: #269956; /* slightly darker green */
            box-shadow: 0 6px 18px rgba(var(--accent-green-rgb), 0.22);
            transform: translateY(-1px);
        }

        .nav-link[data-page="contact"].active {
            background: #269956;
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: transparent;
            border: none;
            cursor: pointer;
            padding: var(--space-8);
            min-width: 44px;
            min-height: 44px;
        }

        .hamburger span {
            width: 25px;
            height: 3px;
            background: var(--medical-blue-dark);
            border-radius: 2px;
            transition: all var(--duration-normal) var(--ease-standard);
        }

        /* Main Content */
        main {
            flex: 1;
            width: 100%;
        }

        .container {
            max-width: var(--container-xl);
            margin: 0 auto;
            padding: var(--space-40) var(--space-16);
        }

        /* Image Placeholders */
        .placeholder-img {
            background-color: #e0e0e0;
            border: 2px dashed #999;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #666;
            font-size: 14px;
            font-weight: var(--font-weight-medium);
            text-align: center;
            padding: var(--space-8);
        }

        .hero-banner {
            width: 100%;
            height: 400px;
            margin-bottom: var(--space-24);
        }

        .highlight-icon {
            width: 80px;
            height: 80px;
            margin: 0 auto var(--space-16);
        }

        .category-icon {
            width: 100px;
            height: 100px;
            margin: 0 auto var(--space-16);
        }

        .product-image {
            width: 150px;
            height: 150px;
            margin-bottom: var(--space-12);
        }

        .about-image-container {
            width: 100%;
            max-width: 800px;
            height: 450px;
            margin: 30px auto;
            overflow: hidden;
            border-radius: 12px;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
        }

        .about-image {
            width: 100%;
            height: 100%;
            object-fit: cover;
            object-position: center;
            display: block;
        }

        .value-icon {
            width: 60px;
            height: 60px;
            margin: 0 auto var(--space-12);
        }

        .map-placeholder {
            width: 100%;
            height: 400px;
            margin-top: var(--space-24);
        }

        /* Hero Section */
        .hero {
            background: linear-gradient(135deg, var(--medical-blue-dark) 0%, var(--medical-blue-medium) 100%);
            color: var(--medical-blue-dark);
            min-height: 100vh;
            padding: 100px var(--space-16);
            text-align: center;
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            background-size: cover;
            background-position: center;
        }

        /* Reusable page hero (for About, Products, Contact) */
        .page-hero {
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
            height: 40vh; /* occupies ~40% of viewport height */
            min-height: 28vh;
            max-height: 50vh;
            overflow: hidden;
            color: var(--medical-blue-dark);
        }

        .page-hero .page-hero-content {
            position: relative;
            z-index: 2;
            text-align: left;
            padding: 0 var(--space-16);
        }

        .page-hero h1 {
            font-size: clamp(24px, 4.5vw, 40px);
            margin: 0 0 var(--space-8) 0;
            color: var(--medical-blue-dark);
            line-height: 1.08;
        }

        /* Main content typographic scale for a more modern, professional look */
        .container h2,
        .container .section-title,
        .about-section h2,
        .products-header h1 {
            font-size: clamp(28px, 3.8vw, 36px);
            line-height: 1.08;
            color: var(--medical-blue-dark);
            margin-bottom: var(--space-16);
            letter-spacing: -0.01em;
        }

        /* Center major section titles for a consistent, balanced layout */
        .container h1,
        .container h2,
        .container h3,
        .products-header h1,
        .services-section h2,
        .why-choose h2,
        .about-section h1,
        .about-section h2,
        .page-hero .page-hero-content h1 {
            text-align: center;
        }

        /* Increase vertical spacing between major components for more white space */
        .page > .container > section,
        .container > section,
        .products-header,
        .why-choose,
        .services-section,
        .about-section {
            margin-top: var(--space-56);
            margin-bottom: var(--space-56);
        }

        .container h3,
        .card h3,
        .category-image-overlay h3 {
            font-size: clamp(20px, 2.2vw, 24px);
            line-height: 1.15;
            color: var(--medical-blue-dark);
        }

        .container p,
        .about-section p,
        .card p,
        .products-header p,
        .product-list li {
            font-size: 17px;
            line-height: 1.75;
            color: var(--color-text-secondary);
        }

        /* Product category content spacing and modern card feel */
        .product-category {
            border-radius: 14px;
            padding: 0;
            transition: transform 260ms var(--ease-standard), box-shadow 260ms var(--ease-standard);
        }

        /* Product category cards: vertical layout, image at top, content at bottom */
        .product-category.vertical-card {
            display: flex;
            flex-direction: column;
            border-radius: 14px;
            overflow: hidden;
            box-shadow: 0 6px 20px rgba(28, 62, 92, 0.06);
            border: 1px solid rgba(15, 34, 60, 0.06);
            background: var(--color-white);
            min-width: 260px;
            max-width: 480px;
            margin: 0 auto;
        }

        .category-image-wrapper {
            width: 100%;
            display: block;
            aspect-ratio: 4 / 3;
            position: relative;
            overflow: hidden;
        }

        .category-image-wrapper img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
            border-radius: 14px 14px 0 0;
        }

        .category-image-overlay {
            position: absolute;
            left: 0; right: 0; top: 0; bottom: 0;
            background: linear-gradient(180deg, rgba(6,30,54,0.18) 0%, rgba(6,30,54,0.34) 100%);
            display: flex;
            align-items: flex-end;
            justify-content: center;
            padding: 24px;
        }

        .category-image-overlay h3 {
            color: #fff;
            margin: 0;
            font-size: clamp(18px, 2.2vw, 22px);
            font-weight: 700;
            text-align: center;
            text-shadow: 0 2px 8px rgba(0,0,0,0.35);
            line-height: 1.05;
        }

        .product-category-content {
            width: 100%;
            padding: 28px 32px 24px 32px;
            display: flex;
            align-items: flex-start;
            justify-content: flex-start;
            text-align: left;
            background: var(--color-white);
        }

        .product-category-content .product-list {
            margin: 0;
            padding: 0;
            list-style: none;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 4px 18px;
        }

        .product-category-content .product-list li {
            position: relative;
            color: var(--color-text-secondary);
            font-size: var(--font-size-base);
            line-height: 1.6;
            padding-left: 16px;
            margin-bottom: 4px;
            min-width: 0;
            word-break: break-word;
            display: flex;
            align-items: center;
        }

        .product-category-content .product-list li:before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 7px;
            height: 7px;
            background: var(--medical-blue-medium);
            border-radius: 50%;
            display: inline-block;
        }

        @media (max-width: 700px) {
            .product-category-content .product-list {
                grid-template-columns: 1fr;
            }
        }

        .product-category.vertical-card:hover {
            transform: translateY(-6px);
            transition: transform 240ms ease, box-shadow 240ms ease;
            box-shadow: 0 12px 30px rgba(28, 62, 92, 0.10);
        }

        @media (max-width: 900px) {
            .products-grid {
                grid-template-columns: 1fr;
            }
            .product-category.vertical-card {
                max-width: 100%;
            }
            .category-image-wrapper {
                aspect-ratio: 16/9;
            }
            .product-category-content {
                padding: 20px;
                text-align: center;
                align-items: center;
            }
            .product-category-content .product-list {
                padding-left: 0;
                list-style-position: inside;
            }
        }

        /* Cards and info boxes: slightly larger text and subtle shadow */
        .card {
            border-radius: 14px;
            padding: 0;
        }

        .info-box {
            padding: calc(var(--space-20) + 4px);
        }



        .why-choose h2 {
            font-size: clamp(30px, 4.2vw, 44px);
            margin-top: var(--space-16);
            margin-bottom: var(--space-36);
            color: var(--medical-blue-dark);
        }

        /* Ensure 'Our Services' and 'Why Choose Us' use the same responsive heading size */
        #services-heading,
        #highlights-heading,
        .why-choose h2,
        .services-section h2 {
            font-size: clamp(30px, 4vw, 40px);
            line-height: 1.08;
            color: var(--medical-blue-dark);
        }

        .why-intro {
            color: var(--color-text-secondary);
            font-size: 18px;
            max-width: 900px;
            margin: 0 auto var(--space-24);
            line-height: 1.75;
        }

        .why-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 18px;
            align-items: stretch;
        }

        .why-item {
            background: var(--color-white);
            border: 1px solid rgba(0,0,0,0.06);
            border-radius: 12px;
            overflow: hidden;
            display: flex;
            align-items: stretch;
            box-shadow: 0 8px 22px rgba(6, 24, 64, 0.06);
            transition: transform 220ms var(--ease-standard), box-shadow 220ms var(--ease-standard);
        }

        .why-item:hover {
            transform: translateY(-6px);
            box-shadow: 0 18px 40px rgba(6, 24, 64, 0.12);
        }

        .why-item figure {
            display: flex;
            flex-direction: column;
            width: 100%;
            margin: 0;
        }

        .why-item img {
            width: 100%;
            height: 220px;
            object-fit: cover;
            display: block;
        }

        .why-item figcaption {
            padding: var(--space-18);
            text-align: left;
            display: block;
        }

        .why-item h3 {
            margin: 0 0 8px 0;
            font-size: 20px;
            color: var(--medical-blue-dark);
        }

        .why-item p {
            margin: 0;
            color: var(--color-text-secondary);
            font-size: 16px;
            line-height: 1.6;
        }

        /* Add thin dividing lines between grid cells to achieve the 'line' design */
        .why-grid > .why-item { border-width: 1px; }
        .why-grid > .why-item:nth-child(odd) { border-right: 1px solid rgba(0,0,0,0.04); }
        .why-grid > .why-item:nth-child(-n+2) { border-bottom: 1px solid rgba(0,0,0,0.04); }

        @media (max-width: 768px) {
            .why-grid { grid-template-columns: 1fr; }
            .why-item img { height: 180px; }
            .why-choose h2 { font-size: 28px; }
        }

        /* Services section - centered and professional */
        .services-section {
            max-width: 1000px;
            margin: 80px auto;
            padding: 8px var(--space-12);
            text-align: center;
        }

        .services-section h2 {
            margin-bottom: var(--space-36);
        }

        h2 {
            font-size: clamp(30px, 4vw, 40px);
            color: var(--medical-blue-dark);
            letter-spacing: -0.01em;
        }

            .services-intro {
                font-size: 18px;
                color: var(--color-text-secondary);
                line-height: 1.8;
                /* allow paragraph to expand fully to column width so it reaches the image */
                max-width: none;
                margin: 0;
                margin-bottom: var(--space-48);
                text-align: justify;
        }

        /* Optional: center any following content (cards) under services */
        .services-section + .cards-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 28px;
            max-width: 1100px;
            margin: 0 auto;
        }

        @media (max-width: 768px) {
            .services-section { margin: 48px 12px; }
            .services-intro { font-size: 16px; line-height: 1.6; }
        }

        /* Two-column layout for services: text left, image right */
        .services-row {
            display: flex;
            gap: var(--space-56);
            align-items: center;
            justify-content: center;
        }

        /* Let the text column occupy more horizontal space and remove extra internal padding */
        .services-content {
            flex: 1 1 58%;
            min-width: 220px;
            padding-left: 0;
            padding-right: 0;
            text-align: left;
        }

        .services-image {
            flex: 0 0 42%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-top: var(--space-32);
        }

        .services-image img {
            max-width: 100%;
            height: auto;
            border-radius: 12px;
            box-shadow: 0 8px 24px rgba(6,24,64,0.06);
        }

        @media (max-width: 900px) {
            .services-row { flex-direction: column-reverse; gap: var(--space-20); }
            .services-image img { height: 220px; width: 100%; object-fit: cover; }
            .services-content { text-align: center; }
        }

        /* About page two-column layout (match Services look) */
        .about-row {
            display: flex;
            gap: var(--space-32);
            align-items: center;
            justify-content: center;
            max-width: 1000px;
            margin: 0 auto;
        }

        .about-image { flex: 0 0 48%; display:flex; align-items:center; justify-content:center; }
        .about-image-container { width: 100%; overflow: hidden; border-radius: 12px; }
        .about-image img { width: 100%; height: 100%; object-fit: cover; display:block; }

        .about-content { flex: 1 1 52%; padding: 8px 12px; }

        @media (max-width: 900px) {
            .about-row { flex-direction: column; gap: var(--space-20); }
            .about-image img { height: 260px; }
            .about-content { text-align: center; }
        }

        /* Why Choose Us two-column rows with alternating layout */
        .why-row {
            display: flex;
            gap: var(--space-48);
            align-items: stretch;
            justify-content: center;
            /* slightly wider allowance but centered */
            max-width: 1000px;
            margin: 0 auto var(--space-40);
            padding: 0 var(--space-6);
        }

        /* Make rows stretch so text fills the same vertical space as the image */
        .why-row { --why-image-height: 340px; }
        /* balanced image/text columns for breathing room */
        .why-row .why-image { flex: 0 0 48%; display:flex; }
        /* Stack title on top of paragraph and center content vertically; add horizontal padding for separation */
        .why-row .why-content { flex: 1 1 50%; display:flex; flex-direction:column; justify-content:center; align-items:flex-start; padding: calc(var(--space-16)) 0; }

        .why-row .why-image img {
            width: 100%;
            height: var(--why-image-height);
            object-fit: cover;
            border-radius: 12px;
            box-shadow: 0 10px 30px rgba(6,24,64,0.06);
            display: block;
        }


        .why-row.reverse { flex-direction: row-reverse; }

        /* Align text depending on which side the image sits */
          /* Horizontal alignment: left when image is left, right when image is right
              Add directional padding so content feels separated from the image */
          .why-row:not(.reverse) .why-content { text-align: left; align-items: flex-start; padding-left: var(--space-16); padding-right: 0; }
          .why-row.reverse .why-content { text-align: right; align-items: flex-end; padding-right: var(--space-16); padding-left: 0; }

        .why-row h3 { font-size: 22px; margin-bottom: 12px; color: var(--medical-blue-dark); }
        .why-row p { color: var(--color-text-secondary); font-size: 16px; line-height: 1.7; }

        /* Make the content fill the image height and center vertically */
        .why-row .why-content > * { width: 100%; }

        /* Constrain paragraph width so lines remain readable while giving breathing room */
        .why-row .why-content p { max-width: 520px; margin: 0 auto; }

        @media (max-width: 900px) {
            .why-row { flex-direction: column; gap: var(--space-20); }
            .why-row .why-image img { height: 220px; }
            .why-row .why-content { text-align: center; align-items: center; padding-left: 0 !important; padding-right: 0 !important; }
            .why-row .why-content p { max-width: 100%; }
        }

        .page-hero-subtitle {
            margin: 0;
            color: rgba(0,0,0,0.65);
            font-size: var(--font-size-lg);
            font-weight: var(--font-weight-medium);
        }

        .page-hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(rgba(255,255,255,0.85), rgba(255,255,255,0.6));
            z-index: 1;
            pointer-events: none;
        }

        /* specific default backgrounds for each page hero (can be overridden) */
        .page-hero--about { background-image: url('https://pplx-res.cloudinary.com/image/upload/v1762809622/pplx_project_search_images/5725a9d8baf4b9eef6da457cbc082da970f98e3b.png'); background-size: cover; background-position: center; }
        .page-hero--products { background-image: url('https://pplx-res.cloudinary.com/image/upload/v1758868295/pplx_project_search_images/c6000c475c1569422a3dc29e6341077dfda94173.png'); background-size: cover; background-position: center; }
        .page-hero--contact { background-image: url('https://pplx-res.cloudinary.com/image/upload/v1755111255/pplx_project_search_images/5c58aaad5f9ddac3cf7a967e4e448b73519678da.png'); background-size: cover; background-position: center; }

        /* make sure page content below has spacing */
        .page > .container { padding-top: var(--space-32); }

        /* Carousel slides inside hero */
        .hero-slides {
            position: absolute;
            inset: 0;
            overflow: hidden;
        }

        .hero-slide {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            opacity: 0;
            transition: opacity 1s ease-in-out;
            will-change: opacity;
        }

        .hero-slide.active {
            opacity: 1;
            z-index: 0;
        }

        /* Darker tint overlay to boost carousel readability */
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(rgba(2, 18, 38, 0.75), rgba(2, 18, 38, 0.55));
            pointer-events: none;
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
        }

        /* Indicators (dots) */
        .hero-indicators {
            position: absolute;
            left: 50%;
            transform: translateX(-50%);
            bottom: 24px;
            display: flex;
            gap: 10px;
            z-index: 3;
        }

        .hero-indicators button {
            width: 10px;
            height: 10px;
            border-radius: 999px;
            background: rgba(var(--accent-green-rgb), 0.4);
            border: none;
            cursor: pointer;
            padding: 0;
            transition: background-color 200ms ease, transform 200ms ease;
        }

        .hero-indicators button.active {
            background: var(--accent-green);
            transform: scale(1.15);
        }

        .hero h1 {
            color: var(--color-cream-50);
            font-size: clamp(32px, 6vw, 64px);
            margin-bottom: var(--space-24);
            line-height: 1.08;
            font-weight: var(--font-weight-bold);
            max-width: 1100px;
            letter-spacing: -0.015em;
        }

        .hero-tagline {
            font-size: clamp(18px, 2.5vw, 22px);
            margin-bottom: var(--space-36, 36px);
            color: rgba(255, 255, 255, 0.85);
            max-width: 900px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.5;
            font-weight: var(--font-weight-medium);
        }

        /* Ensure hero buttons stand out on a light tint */
        .hero .btn {
            box-shadow: 0 6px 18px rgba(0,0,0,0.12);
            border: none;
        }

        @media (max-width: 768px) {
            .hero {
                padding: 56px var(--space-16);
                min-height: 70vh;
            }

            .hero h1 {
                font-size: clamp(24px, 6.5vw, 40px);
            }
        }

        /* Cards */
        .card {
            background: var(--color-surface);
            border: 1px solid var(--color-card-border);
            border-radius: var(--radius-lg);
            padding: 0;
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--duration-normal) var(--ease-standard);
            overflow: hidden;
            display: flex;
            flex-direction: column;
        }

        .card:hover {
            box-shadow: var(--shadow-md);
        }

        .card-image-container {
            width: 100%;
            height: 220px;
            overflow: hidden;
            background: #e9ecef;
        }

        .card-image {
            width: 100%;
            height: 100%;
            object-fit: cover;
            object-position: center;
            display: block;
        }

        .card h3,
        .card p {
            padding: 0 var(--space-24);
        }

        .card h3 {
            margin-top: var(--space-16);
        }

        .card p {
            padding-bottom: var(--space-24);
        }

        /* Restore 2x2 grid 'line' design for Why Choose Us */
        .cards-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 18px;
            align-items: stretch;
            margin: var(--space-56) 0;
        }

        /* Card visual style to match the 'line' grid: subtle border, rounded corners, shadow */
        .card {
            background: var(--color-white);
            border: 1px solid rgba(0,0,0,0.06);
            border-radius: 12px;
            overflow: hidden;
            display: flex;
            flex-direction: column;
            align-items: stretch;
            box-shadow: 0 8px 22px rgba(6,24,64,0.06);
            transition: transform 220ms var(--ease-standard), box-shadow 220ms var(--ease-standard);
            padding: 0;
        }

        .card:hover {
            transform: translateY(-6px);
            box-shadow: 0 18px 40px rgba(6,24,64,0.12);
        }

        .card-image-container { width: 100%; height: 220px; overflow: hidden; }
        .card-image { width: 100%; height: 100%; object-fit: cover; display:block; }

        .card h3 { margin: 0 0 8px 0; padding: 0 var(--space-18); font-size: 20px; color: var(--medical-blue-dark); }
        .card p { padding: 0 var(--space-18) var(--space-18) var(--space-18); margin: 0; color: var(--color-text-secondary); }

        /* Add thin dividing lines between grid cells to achieve the 'line' design */
        .cards-grid > .card { border-width: 1px; }
        .cards-grid > .card:nth-child(odd) { border-right: 1px solid rgba(0,0,0,0.04); }
        .cards-grid > .card:nth-child(-n+2) { border-bottom: 1px solid rgba(0,0,0,0.04); }

        .card-icon {
            font-size: 32px;
            margin-bottom: var(--space-16);
        }

        .card-icon-img {
            width: 80px;
            height: 80px;
            margin: 0 auto var(--space-16);
        }

        .card h3 {
            margin-bottom: var(--space-12);
            color: var(--medical-blue-dark);
        }

        .card p {
            color: var(--color-text-secondary);
            margin: 0;
        }

        /* Buttons */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: var(--space-12) var(--space-24);
            border-radius: var(--radius-base);
            font-size: var(--font-size-base);
            font-weight: var(--font-weight-medium);
            cursor: pointer;
            transition: all var(--duration-normal) var(--ease-standard);
            border: none;
            text-decoration: none;
            min-width: 44px;
            min-height: 44px;
        }

        .btn:focus-visible {
            outline: var(--focus-outline);
            outline-offset: 2px;
        }

        .btn-primary {
            background: var(--color-primary);
            color: var(--color-btn-primary-text);
        }

        .btn-primary:hover {
            background: var(--color-primary-hover);
        }

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

        .btn-secondary {
            background: white;
            color: var(--medical-blue-dark);
            border: 2px solid white;
            padding: 14px 36px;
            font-size: var(--font-size-xl);
            border-radius: 10px;
            min-height: 56px;
            transition: background-color var(--duration-normal) var(--ease-standard), color var(--duration-normal) var(--ease-standard), transform var(--duration-normal) var(--ease-standard), box-shadow var(--duration-normal) var(--ease-standard);
            box-shadow: 0 6px 18px rgba(0,0,0,0.06);
        }

        .btn-secondary:hover,
        .btn-secondary:focus {
            background: var(--accent-green);
            color: white;
            border-color: var(--accent-green);
            transform: translateY(-2px);
        }

        .btn-secondary:active {
            background: #269956; /* slightly darker green */
            transform: translateY(0);
            box-shadow: 0 4px 12px rgba(0,0,0,0.08);
        }

        .btn:disabled {
            opacity: 0.5;
            cursor: not-allowed;
        }

        /* Form Styles */
        .form-group {
            margin-bottom: var(--space-20);
        }

        .form-label {
            display: block;
            margin-bottom: var(--space-8);
            font-weight: var(--font-weight-medium);
            font-size: var(--font-size-base);
            color: var(--color-text);
        }

        .form-control {
            display: block;
            width: 100%;
            padding: var(--space-12);
            font-size: var(--font-size-base);
            line-height: 1.5;
            color: var(--color-text);
            background: var(--color-surface);
            border: 2px solid var(--color-border);
            border-radius: var(--radius-base);
            transition: border-color var(--duration-fast) var(--ease-standard), box-shadow var(--duration-fast) var(--ease-standard);
            font-family: var(--font-family-base);
        }

        .form-control:focus {
            border-color: var(--color-primary);
            outline: none;
            box-shadow: var(--focus-ring);
        }

        .form-control.error {
            border-color: var(--color-error);
        }

        .form-control.valid {
            border-color: var(--color-success);
        }

        .error-message {
            color: var(--color-error);
            font-size: var(--font-size-sm);
            margin-top: var(--space-6);
            display: block;
        }

        .success-message {
            background: rgba(var(--color-teal-500-rgb), 0.1);
            border: 1px solid var(--color-success);
            color: var(--color-success);
            padding: var(--space-16);
            border-radius: var(--radius-base);
            margin-bottom: var(--space-20);
            font-weight: var(--font-weight-medium);
        }

        .form-actions {
            display: flex;
            gap: var(--space-12);
            margin-top: var(--space-24);
        }

        #submitBtn {
            min-width: 210px;
            padding-left: var(--space-32);
            padding-right: var(--space-32);
        }

        textarea.form-control {
            min-height: 120px;
            resize: vertical;
        }

        /* Products Page */
        .products-header {
            text-align: center;
            margin-bottom: 48px;
        }

        .products-header h1 {
            color: var(--medical-blue-dark);
            margin-bottom: var(--space-16);
            font-size: 32px;
        }

        .products-header p {
            color: var(--color-text-secondary);
            font-size: var(--font-size-lg);
            max-width: 800px;
            margin: 0 auto;
            line-height: 1.7;
        }

        .products-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 40px;
            margin-top: var(--space-32);
        }

        .product-category {
            background: var(--color-surface);
            border-radius: 12px;
            border: 1px solid rgba(0, 0, 0, 0.08);
            overflow: hidden;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
            transition: all 0.3s ease;
            cursor: pointer;
            position: relative;
        }

        .product-category:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.18);
        }

        .category-image-wrapper {
            position: relative;
            width: 100%;
            height: 350px;
            overflow: hidden;
        }

        .category-image {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
        }

        .category-image-overlay {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(to bottom, rgba(0, 0, 0, 0) 0%, rgba(0, 0, 0, 0.5) 100%);
            display: flex;
            align-items: flex-end;
            padding: var(--space-24);
        }

        .category-image-overlay h3 {
            color: white;
            font-size: 26px;
            font-weight: var(--font-weight-bold);
            margin: 0;
            text-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
        }

        .product-category-content {
            padding: 32px;
            background: linear-gradient(to bottom, var(--color-surface) 0%, rgba(248, 249, 250, 0.5) 100%);
        }

        .product-list {
            list-style-type: none;
            padding: 0;
            margin: 0;
        }

        .product-list li {
            padding: 10px 0 10px 28px;
            position: relative;
            line-height: 1.8;
            color: var(--color-text);
            font-size: 17px;
            transition: color 0.2s ease;
        }

        .product-list li:hover {
            color: var(--medical-blue-medium);
        }

        .product-list li::before {
            content: '✓';
            position: absolute;
            left: 0;
            color: var(--accent-green);
            font-weight: var(--font-weight-bold);
            font-size: 18px;
        }

        /* Footer */
        .footer {
            background: var(--medical-blue-dark);
            color: var(--color-cream-50);
            padding: 56px 0 var(--space-16);
            margin-top: auto;
            border-top: 1px solid rgba(255,255,255,0.06);
        }

        .footer-content {
            max-width: var(--container-xl);
            margin: 0 auto;
            padding: 0 var(--space-20);
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 40px;
            text-align: left;
            align-items: start;
        }

        .footer-section h4 {
            color: var(--color-cream-50);
            margin-bottom: var(--space-16);
            font-size: var(--font-size-lg);
            font-weight: var(--font-weight-bold);
        }

        .footer-section p,
        .footer-section a {
            color: rgba(255,255,255,0.9);
            margin-bottom: var(--space-8);
            line-height: 1.7;
            font-size: var(--font-size-base);
        }

        .footer-section a {
            text-decoration: none;
            transition: color var(--duration-fast) var(--ease-standard);
            display: inline-block;
        }

        .footer-section a:hover {
            color: var(--accent-green);
        }

        .footer-nav-link {
            display: inline-block;
            cursor: pointer;
        }

        .footer-bottom {
            max-width: var(--container-xl);
            margin: var(--space-32) auto 0;
            padding: var(--space-20) var(--space-16) 0;
            border-top: 1px solid rgba(255,255,255,0.06);
            text-align: center;
            color: rgba(255,255,255,0.85);
            font-size: var(--font-size-sm);
            background: transparent;
        }

        /* Slight structural tweak: make footer sections visually distinct on dark background */
        .footer-section {
            padding: 8px 0;
        }



        /* About Page */
        .about-section {
            margin-bottom: var(--space-32);
        }

        .about-section h2 {
            color: var(--medical-blue-dark);
            margin-bottom: var(--space-28);
        }

        /* Center the 'Our Core Values' heading on the About page */
        #values-heading {
            text-align: center;
            margin-left: auto;
            margin-right: auto;
            display: block;
            margin-bottom: var(--space-36);
        }

        .about-section p {
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin-bottom: var(--space-16);
        }

        .about-section .why-content h3 {
            font-size: clamp(26px, 2.8vw, 34px);
            margin-bottom: 0;
        }

        .info-box {
            background: var(--color-bg-1);
            padding: var(--space-20);
            border-radius: var(--radius-base);
            border-left: 4px solid var(--medical-blue-medium);
            margin: var(--space-24) 0;
        }

        .info-box p {
            margin: 0;
            color: var(--color-text);
            font-weight: var(--font-weight-medium);
        }

        /* Contact Info Section */
        .contact-info {
            background: var(--color-surface);
            padding: var(--space-32);
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-card-border);
            margin-top: var(--space-32);
            box-shadow: var(--shadow-sm);
        }

        .contact-info h3 {
            color: var(--medical-blue-dark);
            margin-bottom: var(--space-24);
            font-size: var(--font-size-2xl);
        }

        .contact-details {
            display: grid;
            gap: var(--space-20);
            margin-bottom: var(--space-24);
        }

        .contact-item {
            display: flex;
            align-items: flex-start;
            gap: var(--space-16);
            padding: var(--space-16);
            background: white;
            border-radius: var(--radius-base);
            border: 1px solid var(--color-card-border);
            transition: all var(--duration-normal) var(--ease-standard);
        }

        .contact-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .contact-icon {
            font-size: 24px;
            color: var(--color-primary);
            min-width: 32px;
            text-align: center;
        }

        .contact-item-content {
            flex: 1;
        }

        .contact-item strong {
            display: block;
            color: var(--color-text);
            font-weight: var(--font-weight-semibold);
            margin-bottom: var(--space-4);
            font-size: var(--font-size-base);
        }

        .contact-item span,
        .contact-item a {
            color: var(--color-text-secondary);
            line-height: 1.6;
        }

        .contact-item a {
            text-decoration: none;
            transition: color var(--duration-fast) var(--ease-standard);
        }

        .contact-item a:hover {
            color: var(--color-primary);
        }

        /* Responsive Design */
        @media (max-width: 1023px) {
            .products-grid {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 768px) {
            .category-image-wrapper {
                height: 250px;
            }

            .category-image-overlay h3 {
                font-size: 22px;
            }

            .product-category-content {
                padding: 24px;
            }

            .product-list li {
                font-size: var(--font-size-base);
                padding: 8px 0 8px 24px;
            }

            .products-header h1 {
                font-size: 28px;
            }

            .products-header p {
                font-size: var(--font-size-base);
            }
        }

        @media (max-width: 768px) {
            .nav-menu {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: white;
                padding: var(--space-16);
                box-shadow: var(--shadow-lg);
            }

            .nav-menu.active {
                display: flex;
            }

            .hamburger {
                display: flex;
            }

            /* Mobile Contact Button */
            .nav-link[data-page="contact"] {
                margin-left: 0;
                margin-top: var(--space-8);
                text-align: center;
            }

            .hero h1 {
                font-size: 24px;
            }

            .hero-tagline {
                font-size: var(--font-size-base);
            }

            .cards-grid {
                grid-template-columns: 1fr;
            }

            .footer-content {
                grid-template-columns: 1fr;
                text-align: center;
                gap: var(--space-32);
            }

            .company-name {
                font-size: var(--font-size-sm);
                max-width: 200px;
            }

            .form-actions {
                flex-direction: column;
            }

            .btn {
                width: 100%;
            }

            .about-image-container {
                height: 300px;
                margin: 20px auto;
            }

            .card-image-container {
                height: 180px;
            }
        }

        .hidden {
            display: none;
        }

        /* Accessibility */
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border-width: 0;
        }

        :focus-visible {
            outline: var(--focus-outline);
            outline-offset: 2px;
        }
    