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

        body {
            font-family: "Inter", sans-serif;
            color: #1e2b4f;
            background-color: #ffffff;
            line-height: 1.5;
        }

        /* color palette: navy, white, grey, gold */
        :root {
            --navy: #0b1e3a;
            --navy-light: #1e3a5f;
            --gold: #c6a15b;
            --gold-light: #dbb87c;
            --grey-bg: #f8fafc;
            --grey-border: #e9edf2;
            --text-dark: #0b1e3a;
            --text-light: #4a5b7a;
            --white: #ffffff;
            --shadow: 0 20px 30px -10px rgba(0,20,40,0.15);
            --transition: all 0.25s ease;
        }

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ----- sticky header ----- */
        .sticky-header {
            position: sticky;
            top: 0;
            background-color: var(--white);
            box-shadow: 0 4px 12px rgba(0,0,0,0.03);
            padding: 16px 0;
            z-index: 1000;
            border-bottom: 1px solid var(--grey-border);
        }

        .header-flex {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }

        .logo h2 {
            font-size: 1.8rem;
            font-weight: 600;
            color: var(--navy);
            letter-spacing: -0.5px;
        }
        .logo span {
            color: var(--gold);
        }

        .nav-links {
            display: flex;
            gap: 32px;
            align-items: center;
            flex-wrap: wrap;
        }
        .nav-links a {
            text-decoration: none;
            font-weight: 500;
            color: var(--text-dark);
            transition: var(--transition);
            font-size: 1rem;
        }
        .nav-links a:hover {
            color: var(--gold);
        }

        .call-btn {
            background-color: var(--gold);
            color: var(--navy) !important;
            padding: 10px 22px;
            border-radius: 40px;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
            transition: var(--transition);
            border: 1px solid transparent;
        }
        .call-btn:hover {
            background-color: var(--gold-light);
            color: var(--navy);
            transform: scale(1.02);
        }
        .call-btn i {
            font-size: 1rem;
        }

        /* ----- hero ----- */
        .hero {
            background: linear-gradient(90deg, rgba(11,30,58,0.85) 0%, rgba(11,30,58,0.7) 100%), 
                        url('https://images.unsplash.com/photo-1589391886645-d51941baf7fb?q=80&w=2070&auto=format&fit=crop') center/cover no-repeat;
            color: white;
            padding: 120px 0;
            text-align: left;
        }
        .hero-content {
            max-width: 650px;
        }
        .hero h1 {
            font-size: 3.3rem;
            font-weight: 700;
            line-height: 1.2;
            margin-bottom: 20px;
        }
        .hero p {
            font-size: 1.25rem;
            margin-bottom: 32px;
            color: rgba(255,255,255,0.9);
        }
        .btn-primary {
            background-color: var(--gold);
            color: var(--navy);
            border: none;
            padding: 16px 42px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 1.2rem;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: 0 8px 18px rgba(0,0,0,0.1);
            border: 1px solid transparent;
        }
        .btn-primary:hover {
            background-color: white;
            color: var(--navy);
            border-color: var(--gold);
        }

        /* ----- sections general ----- */
        section {
            padding: 80px 0;
        }
        .section-title {
            font-size: 2.4rem;
            font-weight: 600;
            color: var(--navy);
            margin-bottom: 16px;
            position: relative;
        }
        .section-title:after {
            content: '';
            display: block;
            width: 70px;
            height: 4px;
            background-color: var(--gold);
            margin-top: 10px;
        }
        .grey-bg {
            background-color: var(--grey-bg);
        }

        /* about */
        .about-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }
        .about-stats {
            display: flex;
            gap: 30px;
            margin: 30px 0 0;
        }
        .stat-item {
            text-align: center;
        }
        .stat-number {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--gold);
        }
        .stat-label {
            color: var(--text-light);
            font-weight: 500;
        }
        .about-image img {
            width: 100%;
            border-radius: 20px;
            box-shadow: var(--shadow);
        }

        /* services cards */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-top: 40px;
        }
        .service-card {
            background: var(--white);
            padding: 30px 20px;
            border-radius: 20px;
            box-shadow: 0 8px 24px rgba(0,20,40,0.06);
            transition: var(--transition);
            text-align: center;
            border: 1px solid var(--grey-border);
        }
        .service-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow);
            border-color: var(--gold);
        }
        .service-card i {
            font-size: 2.8rem;
            color: var(--gold);
            margin-bottom: 20px;
        }
        .service-card h3 {
            margin-bottom: 10px;
        }
        .service-card p {
            color: var(--text-light);
            font-size: 0.95rem;
        }

        /* why choose us */
        .why-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-top: 30px;
        }
        .why-item {
            background: var(--white);
            padding: 32px 18px;
            border-radius: 16px;
            text-align: center;
            box-shadow: 0 6px 18px rgba(0,0,0,0.02);
            border: 1px solid var(--grey-border);
        }
        .why-item i {
            font-size: 2.5rem;
            color: var(--gold);
            margin-bottom: 16px;
        }
        .why-item h4 {
            font-size: 1.3rem;
            margin-bottom: 10px;
        }
        .why-item p {
            color: var(--text-light);
        }

        /* contact & form */
        .contact-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            background: var(--white);
            padding: 40px;
            border-radius: 28px;
            box-shadow: var(--shadow);
        }
        .form-group {
            margin-bottom: 20px;
        }
        .form-group input, .form-group textarea {
            width: 100%;
            padding: 16px 18px;
            border: 1px solid var(--grey-border);
            border-radius: 14px;
            font-size: 1rem;
            transition: var(--transition);
        }
        .form-group input:focus, .form-group textarea:focus {
            outline: none;
            border-color: var(--gold);
            box-shadow: 0 0 0 3px rgba(198,161,91,0.15);
        }
        .form-group textarea {
            min-height: 120px;
            resize: vertical;
        }
        .submit-btn {
            background: var(--navy);
            color: white;
            padding: 16px 32px;
            border: none;
            border-radius: 50px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            width: 100%;
            font-size: 1.1rem;
        }
        .submit-btn:hover {
            background: var(--gold);
            color: var(--navy);
        }
        .confirm-message {
            background: #e1f7e3;
            color: #1e7e34;
            padding: 14px 18px;
            border-radius: 40px;
            margin-top: 16px;
            display: none;
            font-weight: 500;
        }

        /* testimonials grid (instead of carousel) */
        .testimonials-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
            margin-top: 40px;
        }
        .testimonial-card {
            background: var(--white);
            border-radius: 24px;
            padding: 28px;
            box-shadow: 0 12px 28px -8px rgba(0,20,40,0.08);
            border: 1px solid var(--grey-border);
        }
        .testimonial-card .client-img {
            width: 60px;
            height: 60px;
            background: #d4dcec;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--navy);
            font-size: 2rem;
            margin-bottom: 16px;
        }
        .stars {
            color: var(--gold);
            margin: 12px 0 8px;
            letter-spacing: 2px;
        }
        .client-name {
            font-weight: 600;
        }

        /* newsletter module */
        .newsletter-section {
            background: var(--navy);
            color: white;
            border-radius: 48px 48px 0 0;
            padding: 50px 40px;
            margin-top: 20px;
        }
        .newsletter-flex {
            display: flex;
            flex-wrap: wrap;
            gap: 40px;
            align-items: flex-end;
        }
        .newsletter-left h3 {
            font-size: 2rem;
            margin-bottom: 8px;
        }
        .newsletter-form {
            flex: 2;
            display: grid;
            grid-template-columns: 1fr 1fr 1fr auto;
            gap: 15px;
            align-items: end;
        }
        .newsletter-form .form-group {
            margin: 0;
        }
        .newsletter-form input {
            background: rgba(255,255,255,0.1);
            border: 1px solid rgba(255,255,255,0.3);
            color: white;
            padding: 14px;
            border-radius: 40px;
        }
        .newsletter-form input::placeholder {
            color: rgba(255,255,255,0.7);
        }
        .newsletter-form .checkbox {
            grid-column: span 4;
            display: flex;
            align-items: center;
            gap: 8px;
            color: rgba(255,255,255,0.9);
        }
        .newsletter-form button {
            background: var(--gold);
            border: none;
            padding: 14px 28px;
            border-radius: 40px;
            font-weight: 600;
            cursor: pointer;
            grid-column: 4;
            white-space: nowrap;
        }
        #newsletterConfirm {
            margin-top: 20px;
            color: #c6f0c6;
        }

        /* footer */
        .footer {
            background: #0b1a2f;
            color: #ddd;
            padding: 50px 0 20px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1.5fr 1.5fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer a {
            color: #ccc;
            text-decoration: none;
            transition: var(--transition);
        }
        .footer a:hover {
            color: var(--gold);
        }
        .social-icons {
            display: flex;
            gap: 18px;
            margin: 20px 0;
            font-size: 1.4rem;
        }
        .footer-bottom {
            border-top: 1px solid #2a3b54;
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
        }

        /* modals (privacy / terms) */
        .modal {
            display: none;
            position: fixed;
            top: 0; left: 0; width: 100%; height: 100%;
            background-color: rgba(0,0,0,0.5);
            align-items: center;
            justify-content: center;
            z-index: 2000;
        }
        .modal-card {
            background: white;
            max-width: 900px;
            width: 90%;
            padding: 30px;
            border-radius: 28px;
            box-shadow: var(--shadow);
            position: relative;
        }
        .modal-card h3 {
            color: var(--navy);
            margin-bottom: 16px;
        }
        .modal-card p {
            margin-bottom: 20px;
            color: var(--text-light);
        }
        .modal-close {
            background: var(--gold);
            border: none;
            padding: 10px 24px;
            border-radius: 40px;
            font-weight: 600;
            cursor: pointer;
        }

        /* responsiveness */
        @media (max-width: 1024px) {
            .services-grid, .why-grid, .testimonials-grid {
                grid-template-columns: repeat(2,1fr);
            }
            .newsletter-form {
                grid-template-columns: 1fr 1fr;
            }
            .newsletter-form button {
                grid-column: span 2;
            }
        }
        @media (max-width: 800px) {
            .header-flex {
                flex-direction: column;
                gap: 16px;
            }
            .nav-links {
                justify-content: center;
            }
            .about-grid, .contact-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .hero h1 {
                font-size: 2.5rem;
            }
        }
        @media (max-width: 600px) {
            .services-grid, .why-grid, .testimonials-grid {
                grid-template-columns: 1fr;
            }
            .newsletter-form {
                grid-template-columns: 1fr;
            }
        }