/* --- Global Variables and Base Styling --- */
        :root {
            --color-purple: #ac8cb5;
            --color-blue: #A7D8EB;
            /* Primary Button Background Color */
            --color-text-dark: #333;
            --color-text-light: #555;
            --color-white: #ffffff;
            --color-off-white: #f7f7f7;
            --color-soft-bg: #f0f8ff;
            --color-shadow: rgba(0, 0, 0, 0.1);
            --font-primary: 'Poppins', sans-serif;
            --content-max-width: 1100px;
            --border-radius: 8px;
            --color-error: #e74c3c;
            /* New error color */
        }

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

        body {
            font-family: var(--font-primary);
            color: var(--color-text-light);
            line-height: 1.7;
            min-height: 100vh;
            background: var(--color-soft-bg);
            background-attachment: fixed;
            display: block;
        }

        .page-container {
            width: 100%;
            margin: 0;
            background: var(--color-soft-bg);
            box-shadow: 0 0 30px rgba(0, 0, 0, 0.05);
        }

        /* FIX: Strong text is now Semibold (600) and matches the Primary Button Background Color (Blue) */
        strong {
            font-weight: 600;
            color: var(--color-blue);
        }

        .visually-hidden {
            position: absolute;
            width: 1px;
            height: 1px;
            margin: -1px;
            padding: 0;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            border: 0;
        }

        /* --- Header & Logo Styling (Centered and Visible) --- */
        .header {
            padding: 25px 0;
            text-align: center;
            background-color: var(--color-off-white);
            border-bottom: 1px solid rgba(0, 0, 0, 0.08);
        }

        .logo-image {
            height: 70px;
            width: auto;
        }

        /* --- Hero Section (Image and Dark Overlay) --- */
        .hero-section {
            position: relative;
            padding: 120px 40px;
            text-align: left;
            color: var(--color-white);
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            /* Ensure this image path is correct on your server */
            background-image: url('ai_healthcare_concept.jpg');
            background-size: cover;
            background-position: center;
            z-index: 1;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            /* Darker purple overlay */
            background-color: rgba(172, 140, 181, 0.75);
            z-index: 2;
        }

        .hero-content {
            position: relative;
            z-index: 3;
            max-width: var(--content-max-width);
            margin: 0 auto;
        }

        .headline {
            font-size: 3.5rem;
            font-weight: 700;
            color: var(--color-white);
            margin-bottom: 20px;
            line-height: 1.1;
        }

        .supporting-text {
            font-size: 1.25rem;
            margin-bottom: 40px;
            color: rgba(255, 255, 255, 0.9);
        }

        /* --- Buttons (CTA) --- */
        .cta-button {
            display: inline-block;
            padding: 15px 40px;
            border-radius: var(--border-radius);
            text-decoration: none;
            font-weight: 600;
            font-size: 1.05rem;
            transition: all 0.3s ease;
            text-align: center;
            border: none;
            cursor: pointer;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        /* .primary-btn styles removed as button was deleted from hero */

        .secondary-btn {
            background: var(--color-purple);
            color: var(--color-white);
            box-shadow: 0 4px 10px rgba(172, 140, 181, 0.5);
        }

        .secondary-btn:hover {
            background: #9978a3;
            box-shadow: 0 6px 12px rgba(172, 140, 181, 0.7);
            transform: translateY(-1px);
        }

        /* --- General Section Styling --- */
        section {
            padding: 80px 0;
            margin: 0 auto;
            text-align: center;
            background-color: var(--color-soft-bg);
        }

        .about-section {
            background-color: var(--color-white);
        }

        .content-wrapper {
            max-width: var(--content-max-width);
            margin: 0 auto;
            padding: 0 40px;
        }

        .section-heading {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--color-text-dark);
            margin-bottom: 20px;
            text-transform: uppercase;
        }

        .section-text {
            font-size: 1.1rem;
            line-height: 1.7;
            margin-bottom: 30px;
            max-width: 800px;
            margin-left: auto;
            margin-right: auto;
        }

        /* --- About Section Image/Grid Layout --- */
        .about-layout-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
            text-align: left;
            padding: 0 40px;
        }

        .about-text .section-heading,
        .about-text .section-text {
            text-align: left;
            margin-left: 0;
            margin-right: 0;
        }

        .about-image-container {
            overflow: hidden;
            border-radius: var(--border-radius);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
        }

        .about-image {
            width: 100%;
            height: auto;
            display: block;
            transition: transform 0.5s ease;
        }

        .about-image:hover {
            transform: scale(1.05);
        }

        /* --- Contact Form Section --- */
        .contact-form-section {
            background-color: var(--color-off-white);
        }

        .contact-form-container {
            max-width: 700px;
            margin: 0 auto;
            background: var(--color-white);
            padding: 40px;
            border-radius: var(--border-radius);
            box-shadow: 0 10px 30px var(--color-shadow);
        }

        .form-group {
            display: flex;
            gap: 20px;
            margin-bottom: 0;
        }

        .form-group>div {
            flex: 1;
        }

        .form-input,
        .form-textarea {
            width: 100%;
            padding: 14px 20px;
            margin-bottom: 5px;
            /* Reduced margin to make space for error message */
            border: 1px solid #ddd;
            border-radius: var(--border-radius);
            font-family: var(--font-primary);
            font-size: 1rem;
            color: var(--color-text-dark);
            transition: border-color 0.3s, box-shadow 0.3s;
        }

        .form-input:focus,
        .form-textarea:focus {
            border-color: var(--color-purple);
            outline: none;
            box-shadow: 0 0 5px rgba(172, 140, 181, 0.5);
        }

        .form-textarea {
            resize: vertical;
            min-height: 150px;
        }

        .form-submit-btn {
            width: 100%;
            margin-top: 25px;
            /* Increased margin to separate from message field error */
        }

        /* NEW: Real-time error message styling */
        .validation-error {
            color: var(--color-error);
            font-size: 0.85rem;
            font-weight: 500;
            margin-bottom: 15px;
            text-align: left;
            min-height: 18px;
            /* Ensures consistent spacing */
        }

        .form-input.error,
        .form-textarea.error {
            border-color: var(--color-error) !important;
        }

        /* --- What Defines Us Section (Card Grid - 2 columns on desktop) --- */
        .defines-us-section {
            background-color: var(--color-soft-bg);
        }

        .card-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 40px;
            max-width: var(--content-max-width);
            margin: 40px auto 0;
            padding: 0 40px;
        }

        .card {
            padding: 40px;
            border-radius: var(--border-radius);
            background: var(--color-white);
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
            transition: all 0.3s ease;
            border: 1px solid rgba(0, 0, 0, 0.05);
            text-align: left;
        }

        .card:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 25px rgba(172, 140, 181, 0.2);
            border-color: var(--color-purple);
        }

        .card i {
            font-size: 3rem;
            color: var(--color-purple);
            margin-bottom: 20px;
            transition: color 0.3s ease;
        }

        .card h3 {
            font-size: 1.35rem;
            font-weight: 600;
            color: var(--color-text-dark);
            margin-bottom: 10px;
        }

        /* --- Footer --- */
        .footer {
            text-align: center;
            padding: 25px 40px;
            font-size: 0.9rem;
            color: var(--color-text-light);
            border-top: 1px solid rgba(0, 0, 0, 0.05);
            background: var(--color-off-white);
        }

        /* --- New Modal Styling --- */
        .modal-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.6);
            display: none;
            /* Hidden by default */
            justify-content: center;
            align-items: center;
            z-index: 1000;
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .modal-overlay.visible {
            display: flex;
            opacity: 1;
        }

        .modal-content {
            background: var(--color-white);
            padding: 40px;
            border-radius: var(--border-radius);
            max-width: 400px;
            width: 90%;
            text-align: center;
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
            transform: translateY(-50px);
            transition: transform 0.3s ease;
        }

        .modal-overlay.visible .modal-content {
            transform: translateY(0);
        }

        .modal-content i {
            font-size: 3rem;
            color: var(--color-purple);
            margin-bottom: 20px;
        }

        .modal-content h3 {
            color: var(--color-text-dark);
            font-size: 1.5rem;
            margin-bottom: 10px;
        }

        .modal-content p {
            color: var(--color-text-light);
            margin-bottom: 30px;
        }

        /* Modal Close Button Style */
        .modal-close-btn {
            background: var(--color-blue);
            color: var(--color-white);
            padding: 10px 25px;
            border: none;
            border-radius: var(--border-radius);
            cursor: pointer;
            font-weight: 600;
            transition: background 0.3s ease;
        }

        .modal-close-btn:hover {
            background: #89c5e3;
        }

        /* --- Responsiveness (Media Queries) --- */

        /* Tablet (max 1024px) */
        @media (max-width: 1024px) {
            .content-wrapper {
                padding: 0 20px;
            }

            .about-layout-grid {
                padding: 0 20px;
            }

            .card-grid {
                padding: 0 20px;
                gap: 20px;
            }

            .hero-section {
                padding: 80px 20px;
            }

            .headline {
                font-size: 2.2rem;
            }

            /* About section stacks vertically */
            .about-layout-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .about-text .section-heading,
            .about-text .section-text {
                text-align: center;
            }

            /* What Defines Us: 2 Columns (Tablet/Smaller Desktop) */
            .card-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .card {
                text-align: center;
            }

            .contact-form-container {
                padding: 30px;
            }

            .form-group {
                flex-direction: column;
                gap: 0;
            }
        }

        /* Mobile (max 600px) */
        @media (max-width: 600px) {

            /* Mobile: Single Column */
            .card-grid {
                grid-template-columns: 1fr;
            }
        }