/* ======================================================= */
/* CSS CHO MỤC GIẢI PHÁP CHUYÊN NGÀNH (BỔ SUNG)            */
/* ======================================================= */

.solutions {
    background-color: var(--bg-light);
    transition: background-color 0.3s ease;
}

.solution-tabs {
    display: flex;
    justify-content: center;
    margin-bottom: 40px;
    border-bottom: 2px solid var(--grey-tech);
}

.solution-tab-button {
    padding: 15px 30px;
    cursor: pointer;
    border: none;
    background-color: transparent;
    font-size: 1.2rem;
    font-weight: 500;
    color: var(--text-dark);
    transition: all 0.3s ease;
    border-bottom: 4px solid transparent;
    margin-bottom: -2px;
}

[data-theme="dark"] .solution-tab-button {
    color: var(--grey-tech);
}

.solution-tab-button:hover {
    color: var(--accent-blue);
}

.solution-tab-button.active {
    color: var(--accent-blue);
    border-bottom-color: var(--accent-blue);
}

.solution-tab-content {
    display: none;
}

.solution-tab-content.active {
    display: block;
    animation: fadeIn 0.5s ease-in-out;
}

.solution-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.solution-card {
    background-color: var(--bg-dark);
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 5px 15px var(--shadow);
    transition: all 0.4s ease;
}

.solution-card:hover {
    transform: translateY(-5px);
}

.solution-card h3 {
    font-size: 1.5rem;
    margin-top: 0;
    margin-bottom: 25px;
    color: var(--accent-blue);
    font-weight: 600;
}

.solution-accordion {
    margin-bottom: 10px;
}

.solution-accordion-toggle {
    width: 100%;
    padding: 15px;
    background-color: var(--secondary-blue);
    border: none;
    border-radius: 8px;
    color: var(--text-light);
    text-align: left;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 500;
    transition: background-color 0.3s ease;
    position: relative;
    padding-right: 40px;
}

.solution-accordion-toggle:hover {
    background-color: #1a3a5e; /* A slightly lighter shade of secondary-blue */
}

.solution-accordion-toggle::after {
    content: '+';
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.5rem;
    font-weight: 300;
    transition: transform 0.3s ease;
}

.solution-accordion-toggle.active::after {
    transform: translateY(-50%) rotate(45deg);
}

.solution-accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease-out;
    background: rgba(0,0,0,0.2);
    border-radius: 8px;
    margin-top: 5px;
}

.solution-accordion-content p {
    padding: 20px;
    margin: 0;
    color: var(--grey-tech);
    font-size: 0.95rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}



        :root {
            --primary-blue: #0A1931;
            --secondary-blue: #1F456E;
            --accent-blue: #007bff;
            --text-light: #f8f9fa;
            --text-dark: #343a40;
            --bg-light: #ffffff;
            --bg-dark: #12213D;
            --grey-tech: #ced4da;
            --shadow: rgba(0, 0, 0, 0.1);
            --font-primary: 'Inter', sans-serif;
        }

        /* Dark mode variables */
        [data-theme="dark"] {
            --bg-light: #1a2538;
            --bg-dark: #0d1627;
            --text-dark: #e0e0e0;
            --grey-tech: #a0a0a0;
            --shadow: rgba(0, 0, 0, 0.3);
        }

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

        body {
            font-family: var(--font-primary);
            line-height: 1.6;
            color: var(--text-dark);
            background-color: var(--bg-light);
            scroll-behavior: smooth;
            transition: background-color 0.3s ease, color 0.3s ease;
            font-size: 16px;
        }

        .container {
            width: 90%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 20px 0;
        }

        header {
            background-color: var(--primary-blue);
            color: var(--text-light);
            padding: 1rem 0;
            position: fixed;
            width: 100%;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 5px var(--shadow);
            transition: all 0.3s ease;
        }

        header .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 0 20px;
        }

        .logo {
            height: 50px;
            width: auto;
            transition: transform 0.3s ease;
        }

        .logo:hover {
            transform: scale(1.05);
        }

        .logo-text {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--text-light);
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .logo-text span {
            color: var(--accent-blue);
        }

        nav ul {
            list-style: none;
            display: flex;
            gap: 30px;
        }

        nav ul li {
            margin-left: 30px;
        }

        nav ul li a {
            color: var(--text-light);
            text-decoration: none;
            font-weight: 500;
            font-size: 1.1rem;
            padding: 8px 0;
            position: relative;
            transition: color 0.3s ease;
        }

        nav ul li a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background-color: var(--accent-blue);
            transition: width 0.3s ease;
        }

        nav ul li a:hover {
            color: var(--accent-blue);
        }

        nav ul li a:hover::after {
            width: 100%;
        }

        .theme-toggle {
            background: none;
            border: none;
            cursor: pointer;
            padding: 0.5rem;
            display: flex;
            align-items: center;
        }

        .theme-toggle img {
            width: 24px;
            height: 24px;
            filter: invert(100%);
        }

        .menu-toggle {
            display: none;
            flex-direction: column;
            cursor: pointer;
            z-index: 1001;
        }

        .menu-toggle span {
            height: 3px;
            width: 25px;
            background: var(--text-light);
            margin-bottom: 4px;
            border-radius: 5px;
        }

        @media (max-width: 768px) {
            header .container {
                padding: 0 15px;
            }

            .logo {
                height: 40px;
            }

            nav ul {
                gap: 20px;
            }

            nav ul li a {
                font-size: 1rem;
            }

            nav ul {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 70px;
                left: 0;
                width: 100%;
                background-color: var(--primary-blue);
                box-shadow: 0 2px 5px var(--shadow);
                padding-bottom: 1rem;
            }

            nav ul.active {
                display: flex;
            }

            nav ul li {
                margin: 10px 0;
                text-align: center;
            }

            .menu-toggle {
                display: flex;
            }

            .banner h1 {
                font-size: 2.5rem;
            }

            .banner p {
                font-size: 1.2rem;
            }

            .cta-button {
                padding: 12px 30px;
                font-size: 1.1rem;
            }

            .container {
                width: 95%;
                padding: 15px 0;
            }

            section {
                padding: 60px 0;
            }

            section h2 {
                font-size: 2.2rem;
                margin-bottom: 40px;
            }
        }

        @media (max-width: 480px) {
            .banner h1 {
                font-size: 2rem;
            }

            .banner p {
                font-size: 1rem;
            }

            .cta-button {
                padding: 10px 25px;
                font-size: 1rem;
            }

            section h2 {
                font-size: 1.8rem;
            }
        }

        .banner {
            position: relative;
            width: 100%;
            height: 100vh;
            overflow: hidden;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
        }

        .banner-video {
            position: absolute;
            top: 0;
            left: 0;
            min-width: 100%;
            min-height: 100%;
            object-fit: cover;
            z-index: 1;
        }

        .overlay {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6));
            z-index: 2;
        }

        .banner-content {
            position: relative;
            z-index: 3;
            color: var(--text-light);
            padding: 2rem;
            max-width: 800px;
            margin: 0 auto;
        }

        .banner h1 {
            font-size: 3.5rem;
            margin-bottom: 20px;
            font-weight: 700;
            animation: slideInFromLeft 1s ease-out;
            line-height: 1.2;
        }

        .banner p {
            font-size: 1.5rem;
            margin-bottom: 30px;
            animation: slideInFromRight 1s ease-out;
            line-height: 1.4;
        }

        .cta-button {
            display: inline-block;
            padding: 15px 40px;
            background-color: var(--accent-blue);
            color: var(--text-light);
            text-decoration: none;
            border-radius: 30px;
            font-size: 1.2rem;
            font-weight: 600;
            transition: all 0.3s ease;
            animation: fadeIn 1.5s ease-out;
            box-shadow: 0 4px 15px rgba(0, 123, 255, 0.3);
        }

        .cta-button:hover {
            background-color: #0056b3;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(0, 123, 255, 0.4);
        }

        @keyframes slideInFromLeft {
            from {
                transform: translateX(-100%);
                opacity: 0;
            }
            to {
                transform: translateX(0);
                opacity: 1;
            }
        }

        @keyframes slideInFromRight {
            from {
                transform: translateX(100%);
                opacity: 0;
            }
            to {
                transform: translateX(0);
                opacity: 1;
            }
        }

        @keyframes fadeIn {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .about {
            background-color: var(--bg-dark);
            color: var(--text-light);
            padding: 80px 0;
            text-align: center;
            transition: background-color 0.3s ease;
        }

        .about h2 {
            font-size: 2.5rem;
            margin-bottom: 40px;
            position: relative;
            display: inline-block;
            color: var(--grey-tech);
        }

        .about h2::after {
            content: '';
            position: absolute;
            left: 50%;
            bottom: -10px;
            transform: translateX(-50%);
            width: 80px;
            height: 4px;
            background-color: var(--accent-blue);
        }

        .about-content {
            display: flex;
            flex-wrap: wrap;
            gap: 40px;
            justify-content: center;
            align-items: center;
        }

        .about-text {
            flex: 2;
            min-width: 300px;
            text-align: left;
            padding-right: 20px;
        }

        .about-text p {
            margin-bottom: 15px;
            font-size: 1.1rem;
        }

        .about-video {
            flex: 1;
            min-width: 300px;
            background-color: #000;
            position: relative;
            padding-bottom: 25%;
            height: 0;
            overflow: hidden;
            border-radius: 10px;
        }

        .about-video iframe {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            border: 0;
        }

        @media (max-width: 768px) {
            .about-text {
                padding-right: 0;
                text-align: center;
            }

            .about-video {
                padding-bottom: 56.25%;
            }
        }

        .products {
            padding: 80px 0;
            background-color: var(--bg-light);
            text-align: center;
            transition: background-color 0.3s ease;
        }

        .products h2 {
            font-size: 2.5rem;
            margin-bottom: 40px;
            position: relative;
            display: inline-block;
            color: var(--primary-blue);
        }

        .products h2::after {
            content: '';
            position: absolute;
            left: 50%;
            bottom: -10px;
            transform: translateX(-50%);
            width: 80px;
            height: 4px;
            background-color: var(--accent-blue);
        }

        .product-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            margin-top: 40px;
        }

        .product-item {
            background-color: var(--bg-dark);
            color: var(--text-light);
            border-radius: 15px;
            overflow: hidden;
            box-shadow: 0 5px 15px var(--shadow);
            transition: all 0.4s ease;
            position: relative;
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .product-item:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
        }

        .product-item img {
            width: 100%;
            height: 550px;
            object-fit: cover;
            display: block;
            transition: transform 0.4s ease;
        }

        .product-item:hover img {
            transform: scale(1.05);
        }

        .product-info {
            padding: 25px;
            flex-grow: 1;
            display: flex;
            flex-direction: column;
        }

        .product-info h3 {
            font-size: 1.5rem;
            margin-bottom: 15px;
            color: var(--accent-blue);
            font-weight: 600;
        }

        .product-info p {
            font-size: 1rem;
            margin-bottom: 20px;
            color: var(--grey-tech);
            line-height: 1.6;
        }

        .product-overlay {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(10, 25, 49, 0.9);
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            opacity: 0;
            transition: all 0.4s ease;
            padding: 30px;
            text-align: center;
        }

        .product-item:hover .product-overlay {
            opacity: 1;
        }

        .product-overlay p {
            font-size: 1.1rem;
            margin-bottom: 20px;
            color: var(--text-light);
        }

        .product-overlay a {
            color: var(--accent-blue);
            text-decoration: none;
            font-weight: 600;
            padding: 10px 25px;
            border: 2px solid var(--accent-blue);
            border-radius: 25px;
            transition: all 0.3s ease;
        }

        .product-overlay a:hover {
            background-color: var(--accent-blue);
            color: var(--text-light);
        }

        .why-choose-us {
            background-color: var(--bg-dark);
            color: var(--text-light);
            padding: 80px 0;
            text-align: center;
            transition: background-color 0.3s ease;
        }

        .why-choose-us h2 {
            font-size: 2.5rem;
            margin-bottom: 40px;
            position: relative;
            display: inline-block;
        }

        .why-choose-us h2::after {
            content: '';
            position: absolute;
            left: 50%;
            bottom: -10px;
            transform: translateX(-50%);
            width: 80px;
            height: 4px;
            background-color: var(--accent-blue);
        }

        .reason-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
        }

        .reason-item {
            background-color: var(--secondary-blue);
            padding: 30px;
            border-radius: 10px;
            box-shadow: 0 5px 15px var(--shadow);
            transition: transform 0.3s ease;
        }

        .reason-item:hover {
            transform: translateY(-5px);
        }

        .reason-item .icon {
            font-size: 3rem;
            color: var(--accent-blue);
            margin-bottom: 15px;
        }

        .reason-item h3 {
            font-size: 1.4rem;
            margin-bottom: 10px;
            color: var(--text-light);
        }

        .reason-item p {
            font-size: 1rem;
            color: var(--grey-tech);
        }

        .partners {
            padding: 80px 0;
            background-color: var(--bg-light);
            text-align: center;
            transition: background-color 0.3s ease;
        }

        .partners h2 {
            font-size: 2.5rem;
            margin-bottom: 40px;
            position: relative;
            display: inline-block;
            color: var(--primary-blue);
        }

        .partners h2::after {
            content: '';
            position: absolute;
            left: 50%;
            bottom: -10px;
            transform: translateX(-50%);
            width: 80px;
            height: 4px;
            background-color: var(--accent-blue);
        }

        .partner-logos {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 40px;
            align-items: center;
        }

        .partner-logo {
            flex: 0 0 auto;
            width: 150px;
            height: 100px;
            display: flex;
            justify-content: center;
            align-items: center;
            background-color: #f0f0f0;
            border-radius: 5px;
            box-shadow: 0 2px 8px var(--shadow);
        }

        .partner-logo img {
            max-width: 100px;
            max-height: 80px;
            object-fit: contain;
            filter: grayscale(100%);
            transition: filter 0.3s ease;
        }

        .partner-logo img:hover {
            filter: grayscale(0%);
        }

        .contact {
            background-color: var(--bg-dark);
            color: var(--text-light);
            padding: 80px 0;
            text-align: center;
            transition: background-color 0.3s ease;
        }

        .contact h2 {
            font-size: 2.5rem;
            margin-bottom: 40px;
            position: relative;
            display: inline-block;
        }

        .contact h2::after {
            content: '';
            position: absolute;
            left: 50%;
            bottom: -10px;
            transform: translateX(-50%);
            width: 80px;
            height: 4px;
            background-color: var(--accent-blue);
        }

        .contact-content {
            display: flex;
            flex-wrap: wrap;
            gap: 40px;
            justify-content: center;
        }

        .contact-form {
            flex: 1;
            min-width: 300px;
            max-width: 500px;
            background-color: var(--secondary-blue);
            padding: 40px;
            border-radius: 15px;
            box-shadow: 0 5px 15px var(--shadow);
            text-align: left;
            position: relative;
            overflow: hidden;
        }

        .contact-form::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(45deg, rgba(0,123,255,0.1) 0%, rgba(0,123,255,0) 100%);
            z-index: 1;
        }

        .form-group {
            position: relative;
            margin-bottom: 25px;
            z-index: 2;
        }

        .contact-form label {
            display: block;
            margin-bottom: 8px;
            color: var(--text-light);
            font-weight: 500;
            font-size: 1rem;
        }

        .contact-form input,
        .contact-form textarea {
            width: 100%;
            padding: 12px 15px;
            border: 2px solid transparent;
            border-radius: 8px;
            background-color: rgba(255, 255, 255, 0.1);
            color: var(--text-light);
            font-size: 1rem;
            transition: all 0.3s ease;
        }

        .contact-form input:focus,
        .contact-form textarea:focus {
            outline: none;
            border-color: var(--accent-blue);
            background-color: rgba(255, 255, 255, 0.15);
        }

        .contact-form input::placeholder,
        .contact-form textarea::placeholder {
            color: rgba(255, 255, 255, 0.6);
        }

        .contact-form textarea {
            resize: vertical;
            min-height: 120px;
        }

        .contact-form button {
            background-color: var(--accent-blue);
            color: var(--text-light);
            padding: 15px 30px;
            border: none;
            border-radius: 8px;
            cursor: pointer;
            font-size: 1.1rem;
            font-weight: 600;
            transition: all 0.3s ease;
            width: 100%;
            position: relative;
            overflow: hidden;
        }

        .contact-form button::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(
                90deg,
                transparent,
                rgba(255, 255, 255, 0.2),
                transparent
            );
            transition: 0.5s;
        }

        .contact-form button:hover {
            background-color: #0056b3;
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(0, 123, 255, 0.3);
        }

        .contact-form button:hover::before {
            left: 100%;
        }

        .form-success {
            display: none;
            text-align: center;
            color: #28a745;
            padding: 20px;
            background-color: rgba(40, 167, 69, 0.1);
            border-radius: 8px;
            margin-top: 20px;
        }

        .form-error {
            display: none;
            text-align: center;
            color: #dc3545;
            padding: 20px;
            background-color: rgba(220, 53, 69, 0.1);
            border-radius: 8px;
            margin-top: 20px;
        }

        @media (max-width: 768px) {
            .contact-form {
                padding: 30px;
            }

            .contact-form input,
            .contact-form textarea {
                padding: 10px 12px;
            }

            .contact-form button {
                padding: 12px 25px;
            }
        }

        .contact-map {
            flex: 1;
            min-width: 300px;
            max-width: 600px;
            height: 400px;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 5px 15px var(--shadow);
        }

        .contact-map iframe {
            width: 100%;
            height: 100%;
            border: 0;
        }

        footer {
            background-color: var(--primary-blue);
            color: var(--grey-tech);
            padding: 40px 0;
            font-size: 0.9rem;
            transition: background-color 0.3s ease;
        }

        footer .container {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 30px;
        }

        .footer-section {
            flex: 1;
            min-width: 250px;
            margin-bottom: 20px;
        }

        .footer-section h4 {
            font-size: 1.2rem;
            margin-bottom: 15px;
            color: var(--text-light);
        }

        .footer-section p,
        .footer-section a {
            color: var(--grey-tech);
            text-decoration: none;
            display: block;
            margin-bottom: 8px;
        }

        .footer-section a:hover {
            color: var(--accent-blue);
        }

        .social-icons a {
            display: inline-block;
            margin-right: 15px;
            font-size: 1.5rem;
            color: var(--grey-tech);
            transition: color 0.3s ease;
        }

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

        .social-icons img {
            width: 24px;
            height: 24px;
            vertical-align: middle;
        }

        .footer-bottom {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid var(--secondary-blue);
            margin-top: 20px;
            width: 100%;
        }

        section {
            padding: 80px 0;
        }

        section h2 {
            text-align: center;
            font-size: 2.8rem;
            margin-bottom: 60px;
            color: var(--text-light);
            position: relative;
        }

        [data-theme="dark"] section h2 {
            color: var(--text-light);
        }

        section h2::after {
            content: '';
            position: absolute;
            left: 50%;
            bottom: -15px;
            transform: translateX(-50%);
            width: 100px;
            height: 5px;
            background-color: var(--accent-blue);
            border-radius: 5px;
        }

        @media (max-width: 992px) {
            .banner h1 {
                font-size: 2.8rem;
            }

            .banner p {
                font-size: 1.2rem;
            }

            .about-content,
            .contact-content,
            .partner-logos {
                flex-direction: column;
                align-items: center;
            }

            .about-text,
            .contact-form,
            .contact-map,
            .partner-logo {
                width: 100%;
                max-width: 600px;
            }

            .footer-section {
                min-width: 100%;
                text-align: center;
            }

            .footer-section h4 {
                text-align: center;
            }

            .social-icons {
                display: flex;
                justify-content: center;
                margin-top: 15px;
            }
        }

        @media (max-width: 576px) {
            .banner h1 {
                font-size: 2.2rem;
            }

            .banner p {
                font-size: 1rem;
            }

            section h2 {
                font-size: 2rem;
            }

            .product-grid,
            .reason-grid {
                grid-template-columns: 1fr;
            }
        }

        /* News Section Styles */
        .news-section {
            background-color: var(--bg-light);
            padding: 80px 0;
            transition: background-color 0.3s ease;
        }

        .news-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            margin-top: 40px;
        }

        .news-item {
            background-color: var(--bg-dark);
            border-radius: 15px;
            overflow: hidden;
            box-shadow: 0 5px 15px var(--shadow);
            transition: all 0.4s ease;
        }

        .news-item:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
        }

        .news-image {
            width: 100%;
            height: 200px;
            object-fit: cover;
        }

        .news-content {
            padding: 25px;
        }

        .news-date {
            color: var(--accent-blue);
            font-size: 0.9rem;
            margin-bottom: 10px;
            display: block;
        }

        .news-title {
            font-size: 1.3rem;
            color: var(--text-light);
            margin-bottom: 15px;
            font-weight: 600;
        }

        .news-excerpt {
            color: var(--grey-tech);
            font-size: 1rem;
            line-height: 1.6;
            margin-bottom: 20px;
        }

        .news-link {
            color: var(--accent-blue);
            text-decoration: none;
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            gap: 5px;
            transition: color 0.3s ease;
        }

        .news-link:hover {
            color: #0056b3;
        }

        @media (max-width: 768px) {
            .product-grid,
            .news-grid {
                grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
                gap: 20px;
            }

            .product-item img,
            .news-image {
                height: 200px;
            }

            .product-info,
            .news-content {
                padding: 20px;
            }

            .product-info h3,
            .news-title {
                font-size: 1.2rem;
            }
        }

        /* Statistics Section */
        .stats-section {
            background-color: var(--bg-dark);
            padding: 80px 0;
            color: var(--text-light);
            position: relative;
            overflow: hidden;
        }

        .stats-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(45deg, rgba(0,123,255,0.1) 0%, rgba(0,123,255,0) 100%);
            z-index: 1;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 40px;
            position: relative;
            z-index: 2;
        }

        .stat-item {
            text-align: center;
            padding: 20px;
            transition: transform 0.3s ease;
        }

        .stat-item:hover {
            transform: translateY(-5px);
        }

        .stat-number {
            font-size: 3rem;
            font-weight: 700;
            color: var(--accent-blue);
            margin-bottom: 10px;
            display: block;
        }

        .stat-label {
            font-size: 1.2rem;
            color: var(--text-light);
            font-weight: 500;
        }

        /* Animation Classes */
        .fade-in {
            opacity: 0;
            transform: translateY(20px);
            transition: opacity 0.6s ease, transform 0.6s ease;
        }

        .fade-in.visible {
            opacity: 1;
            transform: translateY(0);
        }

        .slide-in-left {
            opacity: 0;
            transform: translateX(-50px);
            transition: opacity 0.6s ease, transform 0.6s ease;
        }

        .slide-in-left.visible {
            opacity: 1;
            transform: translateX(0);
        }

        .slide-in-right {
            opacity: 0;
            transform: translateX(50px);
            transition: opacity 0.6s ease, transform 0.6s ease;
        }

        .slide-in-right.visible {
            opacity: 1;
            transform: translateX(0);
        }

        @media (max-width: 768px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }

            .stat-number {
                font-size: 2.5rem;
            }

            .stat-label {
                font-size: 1rem;
            }
        }

        @media (max-width: 480px) {
            .stats-grid {
                grid-template-columns: 1fr;
            }
        }

        /* Scroll Progress Bar */
        .scroll-progress {
            position: fixed;
            top: 0;
            left: 0;
            width: 0;
            height: 3px;
            background: var(--accent-blue);
            z-index: 1001;
            transition: width 0.1s ease;
        }

        /* Scroll to Top Button */
        .scroll-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 50px;
            height: 50px;
            background: var(--accent-blue);
            color: var(--text-light);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s ease;
            z-index: 1000;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
        }

        .scroll-top.visible {
            opacity: 1;
            visibility: visible;
        }

        .scroll-top:hover {
            background: #0056b3;
            transform: translateY(-3px);
        }

        /* Smooth Scroll Behavior */
        html {
            scroll-behavior: smooth;
            scroll-padding-top: 80px;
        }

        /* Section Transitions */
        section {
            opacity: 0;
            transform: translateY(30px);
            transition: all 0.8s ease;
        }

        section.visible {
            opacity: 1;
            transform: translateY(0);
        }

        @media (max-width: 768px) {
            .scroll-top {
                width: 40px;
                height: 40px;
                bottom: 20px;
                right: 20px;
            }
        }

        /* Loading States */
        .loading-spinner {
            display: none;
            width: 20px;
            height: 20px;
            border: 3px solid rgba(255, 255, 255, 0.3);
            border-radius: 50%;
            border-top-color: var(--text-light);
            animation: spin 1s ease-in-out infinite;
            margin-right: 10px;
        }

        @keyframes spin {
            to { transform: rotate(360deg); }
        }

        .form-loading .loading-spinner {
            display: inline-block;
        }

        .form-loading button {
            pointer-events: none;
            opacity: 0.8;
        }

        /* Enhanced Animations */
        @keyframes float {
            0% { transform: translateY(0px); }
            50% { transform: translateY(-10px); }
            100% { transform: translateY(0px); }
        }

        @keyframes pulse {
            0% { transform: scale(1); }
            50% { transform: scale(1.05); }
            100% { transform: scale(1); }
        }

        .banner-content h1 {
            animation: float 6s ease-in-out infinite;
        }

        .cta-button {
            animation: pulse 2s ease-in-out infinite;
        }

        .product-item {
            transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .product-item:hover {
            transform: translateY(-10px) scale(1.02);
        }

        .reason-item {
            transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .reason-item:hover {
            transform: translateY(-5px) scale(1.03);
        }

        /* Mobile Optimizations */
        @media (max-width: 768px) {
            .banner h1 {
                font-size: 2.2rem;
                animation: none;
            }

            .banner p {
                font-size: 1.1rem;
            }

            .cta-button {
                padding: 12px 25px;
                font-size: 1rem;
                animation: none;
            }

            .product-grid,
            .news-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .reason-grid {
                grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            }

            .contact-form {
                padding: 20px;
            }

            .form-group {
                margin-bottom: 15px;
            }

            .contact-form input,
            .contact-form textarea {
                padding: 10px;
                font-size: 16px; /* Prevent zoom on iOS */
            }

            .contact-form button {
                padding: 12px 20px;
            }

            .scroll-top {
                width: 40px;
                height: 40px;
                bottom: 20px;
                right: 20px;
            }
        }

        @media (max-width: 480px) {
            .banner h1 {
                font-size: 1.8rem;
            }

            .banner p {
                font-size: 1rem;
            }

            .section-title {
                font-size: 1.8rem;
            }

            .product-item img,
            .news-image {
                height: 180px;
            }

            .reason-item {
                padding: 20px;
            }

            .reason-item .icon {
                font-size: 2.5rem;
            }
        }