:root {
    --primary-color: #008080;
    --secondary-color: #20c997;
    --accent-color: #3ddc97;
    --dark-color: #00514f;
    --light-bg: #e6f7f5;
    --white: #ffffff;
    --border-color: #b2f0eb;
}



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

        /* Header */
        .navbar {
            background-color: var(--white);
            box-shadow: 0 2px 8px rgba(0,0,0,0.08);
            padding-top: 1rem;
            padding-bottom: 1rem;
        }
        .navbar-brand {
            font-weight: 700;
            font-size: 1.5rem;
            color: var(--primary-color);
        }
        .nav-link {
            color: var(--dark-color);
            font-weight: 500;
            margin: 0 0.75rem;
        }
        .nav-link:hover {
            color: var(--primary-color);
        }

        /* Hero */
        .hero {
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            color: var(--white);
            padding: 120px 0 80px;
            margin-top: 0;
        }
        .hero h1 {
            font-weight: 700;
            margin-bottom: 1.5rem;
        }
        .hero p {
            font-size: 1.25rem;
            opacity: 0.9;
        }
        .btn-hero {
            background-color: var(--white);
            color: var(--primary-color);
            font-weight: 600;
            padding: 12px 28px;
            border-radius: 6px;
            transition: all 0.2s ease-in-out;
        }
        .btn-hero:hover {
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(0,0,0,0.15);
        }

        /* Sections */
        .section {
            padding: 80px 0;
        }
        .section-title {
            font-weight: 700;
            font-size: 2.5rem;
            color: var(--dark-color);
            margin-bottom: 0.5rem;
        }
        .section-subtitle {
            color: #5e6c84;
            font-size: 1.1rem;
            margin-bottom: 3rem;
        }

        /* Cards */
        .card {
            border: 1px solid var(--border-color);
            border-radius: 8px;
            padding: 2rem;
            height: 100%;
            transition: all 0.3s ease;
            box-shadow: none;
        }
        .card:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 24px rgba(0,0,0,0.1);
            border-color: var(--primary-color);
        }
        .card-icon {
            color: var(--primary-color);
            font-size: 2.5rem;
            margin-bottom: 1.5rem;
        }
        .card-title {
            font-weight: 600;
            margin-bottom: 1rem;
        }

        /* Service Category */
        .service-category {
            margin-bottom: 4rem;
        }
        .category-title {
            font-weight: 600;
            color: var(--dark-color);
            margin-bottom: 2rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--accent-color);
            display: inline-block;
        }

        /* Testimonial */
        .testimonial-card {
            background-color: var(--light-bg);
            border-left: 4px solid var(--secondary-color);
            padding: 1.5rem 2rem;
            border-radius: 0 8px 8px 0;
        }
        .testimonial-author {
            display: flex;
            align-items: center;
            margin-top: 1rem;
        }
        .author-avatar {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            margin-right: 1rem;
        }

        /* FAQ */
        .accordion-button:not(.collapsed) {
            background-color: var(--primary-color);
            color: var(--white);
        }
        .accordion-button:focus {
            box-shadow: none;
        }

        /* Contact Form */
        .contact-form {
            background-color: var(--white);
            border: 1px solid var(--border-color);
            border-radius: 8px;
            padding: 2.5rem;
            box-shadow: 0 4px 12px rgba(0,0,0,0.05);
        }
        .form-control, .form-select {
            border-radius: 6px;
            border: 1px solid var(--border-color);
            padding: 12px 16px;
        }
        .form-control:focus, .form-select:focus {
            border-color: var(--primary-color);
            box-shadow: 0 0 0 3px rgba(0, 82, 204, 0.1);
        }
        .btn-submit {
            background-color: var(--primary-color);
            color: var(--white);
            font-weight: 600;
            padding: 12px 28px;
            border-radius: 6px;
            width: 100%;
            transition: background-color 0.2s;
        }
        .btn-submit:hover {
            background-color: #0041a3;
        }

        /* Footer */
        footer {
            background-color: var(--dark-color);
            color: #fff;
            padding: 3rem 0 1.5rem;
        }
        .footer-title {
            color: var(--white);
            font-weight: 600;
            font-size: 1.1rem;
            margin-bottom: 1.5rem;
        }
        .footer-links a {
            color: #fff;
            text-decoration: none;
            display: block;
            margin-bottom: 0.75rem;
        }
        .footer-links a:hover {
            color: var(--white);
        }

        /* Popups */
        .popup {
            display: none;
            position: fixed;
            z-index: 1000;
            left: 0;
            top: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0,0,0,0.5);
            overflow-y: auto;
        }
        .popup-content {
            background-color: var(--white);
            margin: 10% auto;
            padding: 2.5rem;
            border-radius: 8px;
            width: 90%;
            max-width: 600px;
            position: relative;
            animation: fadeIn 0.3s;
        }
        @keyframes fadeIn {
            from {opacity: 0; transform: translateY(-20px);}
            to {opacity: 1; transform: translateY(0);}
        }
        .close-btn {
            position: absolute;
            top: 1rem;
            right: 1.5rem;
            font-size: 1.5rem;
            cursor: pointer;
            color: #5e6c84;
        }
        .close-btn:hover { color: var(--dark-color); }

        .success-message {
            display: none;
            background-color: var(--accent-color);
            color: var(--white);
            padding: 1rem;
            border-radius: 6px;
            margin-top: 1rem;
            text-align: center;
        }