:root {
            --primary: #0F2C59; /* Deeper blue */
            --primary-light: #164584;
            --accent: #4CB9E7; /* Vibrant cyan/blue accent */
            --accent-dark: #3A96BD;
            --neutral-light: #F5F7FA;
            --neutral-mid: #E2E8F0;
            --neutral-dark: #334155;
            --white: #ffffff;
            --shadow-sm: 0 4px 12px rgba(15, 44, 89, 0.05);
            --shadow-md: 0 10px 25px rgba(15, 44, 89, 0.1);
            --shadow-lg: 0 20px 40px rgba(15, 44, 89, 0.15);
            --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Inter', 'SF Pro Display', -apple-system, BlinkMacSystemFont, sans-serif;
        }

        body {
            background-color: var(--neutral-light);
            color: var(--neutral-dark);
            line-height: 1.7;
            overflow-x: hidden;
        }

        h1, h2, h3, h4, h5, h6 {
            font-weight: 700;
            line-height: 1.2;
        }

        h1 {
            font-size: 3.5rem;
            margin-bottom: 1.5rem;
            letter-spacing: -0.03em;
        }

        h2 {
            font-size: 2.5rem;
            margin-bottom: 1.5rem;
            letter-spacing: -0.02em;
        }

        h3 {
            font-size: 1.75rem;
            margin-bottom: 1rem;
            letter-spacing: -0.01em;
        }

        p {
            margin-bottom: 1.5rem;
        }

        hr {
            align-self: center;
            width: 80%;
        }

        .container {
            width: 92%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 1rem;
        }

        /* HEADER */
        header {
            background-color: rgba(255, 255, 255, 0.98);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            box-shadow: var(--shadow-sm);
            position: fixed;
            width: 100%;
            top: 0;
            z-index: 1000;
            transition: var(--transition);
        }

        header.scrolled {
            box-shadow: var(--shadow-md);
        }

        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1.25rem 0;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }

        .logo-icon {
            width: 40px;
            height: 40px;
            filter: drop-shadow(0 4px 6px rgba(15, 44, 89, 0.1));
            transition: var(--transition);
        }

        .logo:hover .logo-icon {
            transform: rotate(10deg);
        }

        .logo-text h4 {
            font-size: 1.4rem;
            font-weight: 700;
            background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            margin: 0;
        }

        nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }

        nav a {
            text-decoration: none;
            color: var(--neutral-dark);
            font-weight: 500;
            position: relative;
            padding: 0.5rem 0;
            transition: var(--transition);
        }

        nav a:after {
            content: '';
            position: absolute;
            width: 0;
            height: 2px;
            bottom: 0;
            left: 0;
            background: linear-gradient(90deg, var(--primary) 0%, var(--accent) 100%);
            transition: var(--transition);
            border-radius: 2px;
        }

        nav a:hover, nav a.active {
            color: var(--primary);
        }

        nav a:hover:after, nav a.active:after {
            width: 100%;
        }

        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            cursor: pointer;
            color: var(--primary);
        }

        /* HERO SECTION */
        .hero {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
            color: var(--white);
            padding: 12rem 0 8rem;
            position: relative;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-image:
                radial-gradient(circle at 20% 25%, rgba(76, 185, 231, 0.15) 0%, transparent 50%),
                radial-gradient(circle at 80% 75%, rgba(76, 185, 231, 0.1) 0%, transparent 40%);
        }

        .hero-content {
            position: relative;
            z-index: 2;
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
        }

        .hero h1 {
            background: linear-gradient(90deg, var(--white) 0%, rgba(255,255,255,0.85) 100%);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            margin-bottom: 1.5rem;
            max-width: 900px;
        }

        .hero p {
            font-size: 1.25rem;
            max-width: 700px;
            margin: 0 auto 3rem;
            opacity: 0.9;
        }

        .btn {
            display: inline-block;
            padding: 1rem 2.5rem;
            background: var(--accent);
            color: var(--primary);
            border: none;
            border-radius: 8px;
            font-weight: 600;
            text-decoration: none;
            transition: var(--transition);
            cursor: pointer;
            box-shadow: var(--shadow-md);
            position: relative;
            overflow: hidden;
        }

        .btn::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
            transform: translateX(-100%);
        }

        .btn:hover {
            background: var(--accent-dark);
            transform: translateY(-5px);
            box-shadow: var(--shadow-lg);
        }

        .btn:hover::before {
            transform: translateX(100%);
            transition: transform 0.8s ease;
        }

        /* FEATURES SECTION */
        section {
            padding: 6rem 0;
        }

        .section-title {
            text-align: center;
            margin-bottom: 3.5rem;
            position: relative;
        }

        .section-title:after {
            content: '';
            position: absolute;
            bottom: -1rem;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 4px;
            background: linear-gradient(90deg, var(--primary) 0%, var(--accent) 100%);
            border-radius: 2px;
        }

        .section-title span {
            color: var(--accent);
        }

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

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

        .feature-card {
            background: var(--white);
            border-radius: 16px;
            padding: 2.5rem;
            text-align: center;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            position: relative;
            overflow: hidden;
            border: 1px solid var(--neutral-mid);
        }

        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: linear-gradient(90deg, var(--primary) 0%, var(--accent) 100%);
            transform: scaleX(0);
            transform-origin: left;
            transition: var(--transition);
        }

        .feature-card:hover {
            transform: translateY(-10px);
            box-shadow: var(--shadow-md);
        }

        .feature-card:hover::before {
            transform: scaleX(1);
        }

        .feature-icon {
            width: 70px;
            height: 70px;
            color: var(--accent);
            margin-bottom: 1.5rem;
            filter: drop-shadow(0 4px 6px rgba(76, 185, 231, 0.2));
            transition: var(--transition);
        }

        .feature-card:hover .feature-icon {
            transform: scale(1.1);
        }

        .feature-card h3 {
            font-size: 1.5rem;
            margin-bottom: 1rem;
            color: var(--primary);
        }

        /* SERVICES SECTION */
        .services {
            background-color: var(--neutral-light);
            position: relative;
            overflow: hidden;
        }

        .services::before {
            content: '';
            position: absolute;
            width: 600px;
            height: 600px;
            border-radius: 50%;
            background: linear-gradient(135deg, rgba(15, 44, 89, 0.03) 0%, rgba(76, 185, 231, 0.03) 100%);
            top: -300px;
            right: -200px;
            z-index: 0;
        }

        .services::after {
            content: '';
            position: absolute;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: linear-gradient(135deg, rgba(15, 44, 89, 0.03) 0%, rgba(76, 185, 231, 0.03) 100%);
            bottom: -200px;
            left: -100px;
            z-index: 0;
        }

        .service-card {
            background: var(--white);
            border-radius: 16px;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            margin-bottom: 2rem;
            position: relative;
            z-index: 1;
            border: 1px solid var(--neutral-mid);
            transform: translateY(0);
        }

        .service-card:hover {
            transform: translateY(-10px);
            box-shadow: var(--shadow-md);
        }

        .service-content {
            padding: 2rem;
        }

        .service-card h3 {
            color: var(--primary);
            margin-bottom: 1rem;
            font-size: 1.5rem;
            position: relative;
            padding-bottom: 0.75rem;
        }

        .service-card h3::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 50px;
            height: 3px;
            background: var(--accent);
            border-radius: 2px;
        }

        .service-item {
            align-content: center;
        }

        .service-details {
            align-content: center;
        }

        .service-card .btn {
            margin-top: 1.5rem;
            padding: 0.75rem 1.5rem;
            font-size: 0.9rem;
        }

        /* TESTIMONIALS */
        .testimonials {
            background-color: var(--primary);
            color: var(--white);
            position: relative;
            overflow: hidden;
        }

        .testimonials::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-image:
                radial-gradient(circle at 10% 25%, rgba(76, 185, 231, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 90% 85%, rgba(76, 185, 231, 0.05) 0%, transparent 40%);
        }

        .testimonials .section-title {
            color: var(--white);
        }

        .testimonials .section-title:after {
            background: var(--accent);
        }

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

        .testimonial-card {
            background: rgba(255, 255, 255, 0.05);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-radius: 16px;
            padding: 2rem;
            border: 1px solid rgba(255, 255, 255, 0.1);
            transition: var(--transition);
        }

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

        .testimonial-text {
            font-style: italic;
            margin-bottom: 1.5rem;
            position: relative;
            padding-left: 1.5rem;
        }

        .testimonial-text::before {
            content: '"';
            position: absolute;
            left: 0;
            top: -0.5rem;
            font-size: 3rem;
            color: var(--accent);
            opacity: 0.5;
            line-height: 1;
        }

        .testimonial-author {
            font-weight: 600;
            color: var(--accent);
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .testimonial-author::before {
            content: '';
            display: block;
            width: 20px;
            height: 2px;
            background: var(--accent);
        }

         /* Contact */
        .contact {
            background-color: var(--white);
        }

        .contact-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
        }
        .contact-form input,
        .contact-form textarea {
            width: 100%;
            padding: 12px;
            margin-bottom: 20px;
            border: 1px solid var(--neutral-mid);
            border-radius: 5px;
            font-size: 1rem;
        }

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

        .contact-info {
            background: var(--neutral-mid);
            padding: 30px;
            border-radius: 10px;
        }

        .contact-info h3 {
            color: var(--primary);
            margin-bottom: 20px;
            font-size: 1.5rem;
        }

        .contact-method {
            display: flex;
            align-items: center;
            margin-bottom: 20px;
        }

        .contact-icon {
            color: var(--primary);
            font-size: 1.5rem;
            margin-right: 15px;
            width: 24px;
        }

        /* Products */
        .products {
            background-color: var(--secondary-light);
        }

        .product-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }

        .product-card {
            background: var(--white);
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
        }

        .product-image {
            height: 200px;
            background-color: var(--secondary-light);
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .product-content {
            padding: 25px;
        }

        .product-card h3 {
            color: var(--primary);
            margin-bottom: 10px;
            font-size: 1.4rem;
        }

        .product-price {
            color: var(--primary);
            font-weight: 700;
            font-size: 1.2rem;
            margin: 15px 0;
        }

        /* FOOTER */
        footer {
            background-color: var(--neutral-dark);
            color: var(--white);
            padding: 5rem 0 2rem;
            position: relative;
            overflow: hidden;
        }

        footer::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 5px;
            background: linear-gradient(90deg, var(--primary) 0%, var(--accent) 100%);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 3rem;
            margin-bottom: 3rem;
        }

        .footer-logo {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            margin-bottom: 1.5rem;
        }

        .footer-logo-icon {
            width: 35px;
            height: 35px;
            opacity: 0.9;
        }

        .footer-logo-text {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--white);
        }

        .footer-column h3 {
            font-size: 1.1rem;
            margin-bottom: 1.5rem;
            color: var(--accent);
            position: relative;
            padding-bottom: 0.75rem;
        }

        .footer-column h3::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 30px;
            height: 2px;
            background: var(--accent);
        }

        .social-links {
            display: flex;
            gap: 1rem;
            margin-top: 1.5rem;
        }

        .social-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.05);
            color: var(--accent);
            transition: var(--transition);
            border: 1px solid rgba(255, 255, 255, 0.1);
        }

        .social-icon:hover {
            background: var(--accent);
            color: var(--primary);
            transform: translateY(-3px);
        }

        .social-icon svg {
            width: 20px;
            height: 20px;
        }

        /* ANIMATIONS */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .fade-in-up {
            animation: fadeInUp 0.6s ease forwards;
        }

        .delay-1 { animation-delay: 0.2s; }
        .delay-2 { animation-delay: 0.4s; }
        .delay-3 { animation-delay: 0.6s; }

        /* RESPONSIVE */
        @media (max-width: 992px) {
            h1 { font-size: 3rem; }
            h2 { font-size: 2.2rem; }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }

            section {
                padding: 5rem 0;
            }
        }

        @media (max-width: 768px) {
            h1 { font-size: 2.5rem; }
            h2 { font-size: 2rem; }

            nav ul {
                display: none;
            }

            .mobile-menu-btn {
                display: block;
            }

            .hero {
                padding: 10rem 0 6rem;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 2rem;
            }

            section {
                        margin: 100px 0;
                        font-size: 2rem;
                }

            .feature-grid,
            .testimonial-grid {
                grid-template-columns: 1fr;
            }
        }