/* --- CSS Variables & Reset --- */
        :root {
            --primary-color: #0a2540; /* Deep Navy */
            --secondary-color: #005691; /* Trustworthy Blue */
            --accent-color: #d97706; /* Gold/Amber for CTAs */
            --accent-hover: #b45309;
            --text-dark: #1e293b;
            --text-light: #64748b;
            --white: #ffffff;
            --light-bg: #f8fafc;
            --border-color: #e2e8f0;
            --success-color: #16a34a;
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.1);
            --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1);
            --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1);
            --radius: 8px;
            --transition: all 0.3s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'Inter', sans-serif;
            color: var(--text-dark);
            line-height: 1.6;
            background-color: var(--white);
        }

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

        ul {
            list-style: none;
        }

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

        /* --- Utility Classes --- */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .btn {
            display: inline-block;
            padding: 12px 28px;
            border-radius: var(--radius);
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            border: none;
            text-align: center;
        }

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

        .btn-primary:hover {
            background-color: var(--accent-hover);
            transform: translateY(-2px);
        }

        .btn-secondary {
            background-color: transparent;
            border: 2px solid var(--white);
            color: var(--white);
        }

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

        .btn-outline-dark {
            border: 2px solid var(--primary-color);
            color: var(--primary-color);
            background: transparent;
        }

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

        .section-title {
            text-align: center;
            margin-bottom: 3rem;
        }

        .section-title h2 {
            font-size: 2.5rem;
            color: var(--primary-color);
            margin-bottom: 1rem;
        }

        .section-title p {
            color: var(--text-light);
            max-width: 600px;
            margin: 0 auto;
        }

        section {
            padding: 5rem 0;
        }

        /* --- Header & Nav --- */
        header {
            background-color: var(--white);
            box-shadow: var(--shadow-sm);
            position: sticky;
            top: 0;
            z-index: 1000;
            padding: 1rem 0;
        }

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

        .logo {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--primary-color);
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .nav-links {
            display: flex;
            gap: 1.5rem;
            align-items: center;
        }

        .nav-links a {
            font-weight: 500;
            color: var(--text-dark);
            transition: var(--transition);
        }

        .nav-links a:hover {
            color: var(--secondary-color);
        }

        .cta-header {
            display: none;
        }

        .mobile-toggle {
            display: none;
            font-size: 1.5rem;
            cursor: pointer;
            background: none;
            border: none;
        }

        /* --- Hero Section --- */
        #hero {
            background: linear-gradient(rgba(10, 37, 64, 0.9), rgba(10, 37, 64, 0.8)), url('../img/hero.jpg');
            background-size: cover;
            background-position: center;
            color: var(--white);
            padding: 8rem 0;
        }

        .hero-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
            align-items: center;
        }

        .hero-text h1 {
            font-size: 3rem;
            line-height: 1.2;
            margin-bottom: 1.5rem;
        }

        .hero-text p {
            font-size: 1.2rem;
            margin-bottom: 2rem;
            color: #cbd5e1;
        }

        .hero-buttons {
            display: flex;
            gap: 1rem;
        }

        .hero-image img {
            border-radius: var(--radius);
            box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.3);
            border: 4px solid rgba(255,255,255,0.1);
        }

        /* --- About Preview --- */
        #about {
            background-color: var(--white);
        }

        .about-wrapper {
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
            max-width: 800px;
            margin: 0 auto;
        }

        .about-wrapper h2 {
            font-size: 2rem;
            margin-bottom: 1.5rem;
            color: var(--primary-color);
        }

        .about-wrapper p {
            font-size: 1.1rem;
            color: var(--text-light);
            margin-bottom: 2rem;
        }

        /* --- Why Choose Us --- */
        #why-us {
            background-color: var(--light-bg);
        }

        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
        }

        .feature-card {
            background: var(--white);
            padding: 2rem;
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            text-align: center;
        }

        .feature-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-md);
        }

        .feature-icon {
            width: 60px;
            height: 60px;
            background-color: rgba(10, 37, 64, 0.1);
            color: var(--primary-color);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1.5rem;
        }

        .feature-icon svg {
            width: 30px;
            height: 30px;
        }

        .feature-card h3 {
            margin-bottom: 1rem;
            color: var(--primary-color);
        }

        .feature-card p {
            color: var(--text-light);
            font-size: 0.95rem;
        }

        /* --- Services --- */
        #services {
            background-color: var(--white);
        }

        .services-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
            gap: 2rem;
        }

        .service-category {
            background-color: var(--white);
            border: 1px solid var(--border-color);
            border-radius: var(--radius);
            padding: 2rem;
            transition: var(--transition);
        }

        .service-category:hover {
            border-color: var(--secondary-color);
            box-shadow: var(--shadow-lg);
        }

        .service-category h3 {
            color: var(--secondary-color);
            font-size: 1.25rem;
            margin-bottom: 1.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--light-bg);
        }

        .service-list li {
            position: relative;
            padding-left: 1.5rem;
            margin-bottom: 0.75rem;
            color: var(--text-dark);
            font-size: 0.95rem;
        }

        .service-list li::before {
            content: "•";
            color: var(--accent-color);
            font-weight: bold;
            position: absolute;
            left: 0;
            top: 0;
        }

        .services-cta {
            text-align: center;
            margin-top: 3rem;
        }

        /* --- Testimonials --- */
        #testimonials {
            background-color: var(--light-bg);
        }

        .testimonials-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
        }

        .testimonial-card {
            background: var(--white);
            padding: 2.5rem;
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            position: relative;
        }

        .quote-icon {
            font-size: 3rem;
            color: rgba(10, 37, 64, 0.1);
            position: absolute;
            top: 1rem;
            right: 1.5rem;
        }

        .testimonial-text {
            font-style: italic;
            color: var(--text-dark);
            margin-bottom: 1.5rem;
        }

        .testimonial-author {
            font-weight: 700;
            color: var(--primary-color);
        }

        /* --- FAQ --- */
        #faq {
            background-color: var(--white);
        }

        .faq-wrapper {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            border-bottom: 1px solid var(--border-color);
        }

        .faq-question {
            width: 100%;
            text-align: left;
            background: none;
            border: none;
            padding: 1.5rem 0;
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--primary-color);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .faq-question:hover {
            color: var(--secondary-color);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
            color: var(--text-light);
        }

        .faq-answer p {
            padding-bottom: 1.5rem;
        }

        .faq-toggle-icon {
            transition: transform 0.3s;
        }

        .faq-item.active .faq-toggle-icon {
            transform: rotate(180deg);
        }

        .faq-item.active .faq-answer {
            max-height: 200px; /* Adjust as needed */
        }

        /* --- Contact & Newsletter --- */
        #contact {
            background-color: var(--primary-color);
            color: var(--white);
        }

        #contact .section-title h2 {
            color: var(--white);
        }

        #contact .section-title p {
            color: rgba(255,255,255,0.7);
        }

        .contact-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 4rem;
        }

        .form-group {
            margin-bottom: 1.5rem;
        }

        .form-group label {
            display: block;
            margin-bottom: 0.5rem;
            font-size: 0.9rem;
            font-weight: 500;
        }

        .form-control {
            width: 100%;
            padding: 12px;
            border: 1px solid rgba(255,255,255,0.2);
            border-radius: var(--radius);
            background: rgba(255,255,255,0.05);
            color: var(--white);
            font-family: inherit;
        }

        .form-control:focus {
            outline: none;
            border-color: var(--accent-color);
            background: rgba(255,255,255,0.1);
        }

        /* Newsletter Section Specifics */
        #newsletter {
            background-color: var(--white);
            border-top: 1px solid var(--border-color);
        }

        .newsletter-form {
            max-width: 600px;
            margin: 0 auto;
            background: var(--light-bg);
            padding: 2rem;
            border-radius: var(--radius);
        }

        .checkbox-group {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            margin-bottom: 1.5rem;
        }

        .checkbox-group input {
            width: 18px;
            height: 18px;
        }

        .checkbox-group label {
            font-size: 0.9rem;
            color: var(--text-dark);
        }

        /* --- Footer --- */
        footer {
            background-color: #020617; /* Very dark navy */
            color: #94a3b8;
            padding: 4rem 0 2rem;
            font-size: 0.9rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 2rem;
            margin-bottom: 3rem;
        }

        .footer-col h4 {
            color: var(--white);
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
        }

        .footer-links li {
            margin-bottom: 0.75rem;
        }

        .footer-links a:hover {
            color: var(--accent-color);
            text-decoration: underline;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 2rem;
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
            gap: 1rem;
        }

        .social-icons {
            display: flex;
            gap: 1rem;
        }

        .social-icons a {
            color: var(--white);
            font-size: 1.2rem;
            transition: var(--transition);
        }

        .social-icons a:hover {
            color: var(--accent-color);
        }

        /* --- Modals --- */
        .modal {
            display: none;
            position: fixed;
            z-index: 2000;
            left: 0;
            top: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0,0,0,0.6);
            backdrop-filter: blur(5px);
            align-items: center;
            justify-content: center;
            opacity: 0;
            transition: opacity 0.3s;
        }

        .modal.show {
            display: flex;
            opacity: 1;
        }

        .modal-content {
            background-color: var(--white);
            padding: 2rem;
            border-radius: var(--radius);
            max-width: 600px;
            width: 90%;
            max-height: 80vh;
            overflow-y: auto;
            position: relative;
        }

        .close-modal {
            position: absolute;
            top: 1rem;
            right: 1.5rem;
            font-size: 2rem;
            cursor: pointer;
            color: var(--text-light);
            background: none;
            border: none;
        }

        .close-modal:hover {
            color: var(--primary-color);
        }

        /* Success Message Styling */
        .success-message {
            display: none;
            padding: 1rem;
            background-color: #dcfce7;
            color: #166534;
            border-radius: var(--radius);
            margin-top: 1rem;
            text-align: center;
            border: 1px solid #bbf7d0;
        }

        /* --- Responsive Design --- */
        @media (min-width: 769px) {
            .cta-header {
                display: inline-block;
            }
        }

        @media (max-width: 768px) {
            .mobile-toggle {
                display: block;
            }

            .nav-links {
                position: fixed;
                top: 70px;
                left: -100%;
                width: 100%;
                background-color: var(--white);
                flex-direction: column;
                padding: 2rem;
                box-shadow: var(--shadow-md);
                transition: 0.3s ease-in-out;
            }

            .nav-links.active {
                left: 0;
            }

            .hero-content {
                grid-template-columns: 1fr;
                text-align: center;
            }

            .hero-buttons {
                justify-content: center;
            }

            .contact-layout {
                grid-template-columns: 1fr;
            }

            .section-title h2 {
                font-size: 2rem;
            }
        }