
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Inter', sans-serif;
            background: #f9fcff;
            color: #1e2b3c;
            line-height: 1.5;
            scroll-behavior: smooth;
        }

        /* variables */
        
        :root {
            --primary: #0a2540;
            --primary-light: #1e3a5f;
            --accent: #2b7fc1;
            --accent-soft: #d4e6f5;
            --gray-light: #f0f4f8;
            --white: #ffffff;
            --shadow-sm: 0 8px 20px rgba(0,0,0,0.02), 0 2px 6px rgba(0,40,80,0.05);
            --shadow-hover: 0 20px 30px -10px rgba(10,37,64,0.1);
            --border-radius: 20px;
            --gradient-subtle: linear-gradient(145deg, #ffffff 0%, #f5faff 100%);
        }
        :root {
    --primary: #ff4e50;
    --primary-light: #ff7b72;
    --accent: #ffcb05;
    --accent-soft: #fff3bf;
    --gray-light: #f5f5f5;
    --white: #ffffff;
    --shadow-sm: 0 8px 20px rgba(255,78,80,0.03), 0 2px 6px rgba(255,123,114,0.05);
    --shadow-hover: 0 20px 30px -10px rgba(255,78,80,0.12);
    --border-radius: 20px;
    --gradient-subtle: linear-gradient(145deg, #ffffff 0%, #fff0eb 100%);
}
:root {
    --primary: #1a3d2c;
    --primary-light: #326b4e;
    --accent: #76b041;
    --accent-soft: #d4f0c2;
    --gray-light: #eaeaea;
    --white: #fdfdfd;
    --shadow-sm: 0 8px 20px rgba(26,61,44,0.03), 0 2px 6px rgba(50,107,78,0.05);
    --shadow-hover: 0 20px 30px -10px rgba(26,61,44,0.12);
    --border-radius: 20px;
    --gradient-subtle: linear-gradient(145deg, #fdfdfd 0%, #e3f6e0 100%);
}

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* header */
        header {
            position: sticky;
            top: 0;
            width: 100%;
            z-index: 1000;
            background: transparent;
            transition: background 0.25s ease, box-shadow 0.25s;
            padding: 16px 0;
        }

        header.scrolled {
            background: var(--white);
            box-shadow: 0 4px 20px rgba(0,20,40,0.08);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .logo a {
            font-size: 1.8rem;
            font-weight: 700;
            background: linear-gradient(135deg, #1a3d2c, #326b4e);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            letter-spacing: -0.02em;
            text-decoration: none;
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 32px;
        }

        .nav-links {
            display: flex;
            gap: 24px;
            list-style: none;
        }

        .nav-links a {
            text-decoration: none;
            font-weight: 500;
            color: var(--primary);
            transition: color 0.2s;
            font-size: 0.95rem;
        }

        .nav-links a:hover {
            color: var(--accent);
        }

        .cta-btn {
            background: var(--primary);
            color: white;
            border: none;
            padding: 10px 24px;
            border-radius: 40px;
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            box-shadow: var(--shadow-sm);
            white-space: nowrap;
        }

        .cta-btn:hover {
            background: var(--primary-light);
            transform: scale(1.02);
        }

        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: var(--primary);
            cursor: pointer;
        }

        /* mobile nav */
        @media (max-width: 992px) {
            .nav-menu {
                position: fixed;
                top: 80px;
                left: 0;
                width: 100%;
                background: white;
                flex-direction: column;
                padding: 32px 24px;
                box-shadow: 0 20px 30px rgba(0,0,0,0.05);
                transform: translateX(-100%);
                transition: transform 0.3s ease;
                align-items: flex-start;
                gap: 24px;
                border-radius: 0 0 20px 20px;
            }

            .nav-menu.active {
                transform: translateX(0);
            }

            .nav-links {
                flex-direction: column;
                width: 100%;
                gap: 16px;
            }

            .hamburger {
                display: block;
            }

            .cta-btn {
                width: 100%;
                text-align: center;
            }
        }

        /* hero */
        .hero {
            padding: 60px 0 80px;
            position: relative;
            overflow: hidden;
            background: radial-gradient(circle at 80% 30%, rgba(50,107,78,0.03) 0%, transparent 40%);
        }

        .hero .container {
            display: flex;
            align-items: center;
            gap: 40px;
            flex-wrap: wrap;
        }

        .hero-content {
            flex: 1 1 500px;
        }

        .hero h1 {
            font-size: 3.2rem;
            font-weight: 700;
            line-height: 1.2;
            margin-bottom: 24px;
            color: var(--primary);
        }

        .hero-sub {
            font-size: 1.2rem;
            color: #2d4a6e;
            margin-bottom: 32px;
            max-width: 550px;
        }

        .hero-buttons {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 40px;
        }

        .btn-primary {
            background: var(--primary);
            color: white;
            padding: 14px 32px;
            border-radius: 40px;
            font-weight: 600;
            border: none;
            cursor: pointer;
            box-shadow: 0 10px 20px -5px rgba(10,37,64,0.2);
            transition: all 0.2s;
        }

        .btn-primary:hover {
            background: var(--primary-light);
            transform: translateY(-3px);
        }

        .btn-outline {
            background: transparent;
            border: 1.5px solid var(--primary);
            color: var(--primary);
            padding: 14px 32px;
            border-radius: 40px;
            font-weight: 600;
            cursor: pointer;
            transition: 0.2s;
        }

        .btn-outline:hover {
            background: rgba(10,37,64,0.03);
            border-color: var(--accent);
        }

        .trust-badges {
            display: flex;
            gap: 40px;
            flex-wrap: wrap;
        }

        .trust-item {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .trust-item i {
            font-size: 2rem;
            color: var(--accent);
            background: rgba(50,107,78,0.1);
            padding: 10px;
            border-radius: 50%;
        }

        .trust-item span {
            font-weight: 600;
            color: var(--primary);
        }

        .hero-visual {
            flex: 1 1 300px;
            position: relative;
            min-height: 300px;
        }

        .floating-icons {
            position: relative;
            height: 300px;
            background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 200 200" opacity="0.4"><path fill="%232b7fc1" d="M45 70 L80 40 L115 70 L100 110 L60 110 Z"/><circle cx="140" cy="120" r="25" fill="%230a2540" opacity="0.2"/><rect x="20" y="140" width="50" height="30" fill="%231e3a5f" opacity="0.15"/></svg>') no-repeat center;
            background-size: contain;
        }

        .floating-icons i {
            position: absolute;
            font-size: 2.2rem;
            color: var(--primary);
            background: white;
            padding: 12px;
            border-radius: 30px;
            box-shadow: var(--shadow-sm);
        }

        .floating-icons i:nth-child(1) { top: 10%; left: 10%; }
        .floating-icons i:nth-child(2) { top: 40%; right: 10%; }
        .floating-icons i:nth-child(3) { bottom: 10%; left: 30%; }
        .floating-icons i:nth-child(4) { bottom: 20%; right: 20%; }

        /* sections general */
        section {
            padding: 80px 0;
        }

        .section-title {
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 20px;
        }

        .section-desc {
            font-size: 1.1rem;
            color: #2d4a6e;
            max-width: 700px;
            margin-bottom: 48px;
        }

        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
            gap: 30px;
        }

         .card-grid-s {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(410px, 1fr));
            gap: 30px;
        }


        .card {
            background: var(--white);
            border-radius: var(--border-radius);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            transition: 0.2s;
            border: 1px solid rgba(0,0,0,0.02);
            background: var(--gradient-subtle);
        }

        .card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
        }

        .icon-lg {
            font-size: 2.5rem;
            color: var(--accent);
            margin-bottom: 16px;
        }

        /* service card with lists */
        .service-list {
            list-style: none;
            margin-top: 16px;
            columns: 2;
            column-gap: 16px;
            font-size: 0.95rem;
        }

        .service-list li {
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .service-list i {
            color: var(--accent);
            font-size: 0.8rem;
        }

        /* testimonial carousel */
        .carousel-container {
            position: relative;
            overflow: hidden;
            padding: 20px 0;
        }

        .carousel-track {
            display: flex;
            transition: transform 0.3s ease;
            gap: 30px;
        }

        .testimonial-card {
            flex: 0 0 320px;
            background: white;
            border-radius: 24px;
            padding: 28px;
            box-shadow: var(--shadow-sm);
        }

        .testimonial-card .stars {
            color: #f8b84a;
            margin: 12px 0;
        }

        .client-info {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-top: 20px;
        }

        .client-info img {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            object-fit: cover;
            background: #d0e0f0;
        }

        .carousel-controls {
            display: flex;
            justify-content: center;
            gap: 16px;
            margin-top: 32px;
        }

        .carousel-btn {
            background: white;
            border: 1px solid var(--accent-soft);
            padding: 12px 18px;
            border-radius: 40px;
            cursor: pointer;
            transition: 0.2s;
        }

        .carousel-btn:hover {
            background: var(--accent-soft);
        }

        /* faq */
        .faq-item {
            background: white;
            border-radius: 16px;
            margin-bottom: 16px;
            box-shadow: var(--shadow-sm);
        }

        .faq-question {
            padding: 20px 24px;
            font-weight: 600;
            display: flex;
            justify-content: space-between;
            cursor: pointer;
        }

        .faq-answer {
            padding: 0 24px 20px;
            display: none;
            color: #2d4a6e;
        }

        .faq-item.active .faq-answer {
            display: block;
        }

        /* forms */
        .form-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }

        .form-group {
            margin-bottom: 20px;
        }

        input, select, textarea {
            width: 100%;
            padding: 14px 18px;
            border: 1px solid #d4e0ec;
            border-radius: 40px;
            font-family: inherit;
            font-size: 1rem;
            background: white;
        }

        textarea {
            border-radius: 24px;
            resize: vertical;
        }

        .checkbox {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .checkbox input {
            width: auto;
        }

        .confirmation-msg {
            background: #d1e7dd;
            color: #0f5132;
            padding: 16px;
            border-radius: 40px;
            margin-top: 20px;
            display: none;
        }

        /* footer */
        footer {
            background: var(--primary);
            color: white;
            padding: 60px 0 20px;
            border-radius: 40px 40px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4,1fr);
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-col p, .footer-col a {
            color: rgba(255,255,255,0.8);
            text-decoration: none;
            line-height: 2;
        }

        .footer-col a:hover {
            color: white;
        }

        .social i {
            font-size: 1.4rem;
            margin-right: 16px;
            color: white;
        }

        .copyright {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid rgba(255,255,255,0.2);
        }

        /* usa address */
        .usa-contact {
            background: rgba(255,255,255,0.1);
            padding: 16px;
            border-radius: 20px;
            margin: 20px 0;
        }

        @media (max-width: 768px) {
            .hero h1 { font-size: 2.5rem; }
            .form-grid { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr 1fr; }
        }
    