/* Reset default styles */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Inter', sans-serif;
        }

        /* General body styles */
        body {
            background-color: #f9f9f9;
            line-height: 1.6;
            overflow-x: hidden;
            scroll-behavior: smooth;
        }

        /* Container */
        .container {
            width: 85%;
            max-width: 1280px;
            margin: 0 auto;
        }

        /* ---------------------- */
        /* Header Styles (from landing.css, solid color) */
        /* ---------------------- */
        header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: #0053CF; /* Solid color, no gradient */
            color: white;
            padding: 10px 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
        }

        .logo {
            font-size: 24px;
            font-weight: bold;
            padding-left: 20px;
        }

        .logo img {
            width: 40px;
            height: 40px;
        }

        nav {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 5px;
            padding: 20px;
        }

        nav a {
            color: white;
            margin-left: 20px;
            text-decoration: none;
            font-weight: 500;
            transition: color 0.3s;
        }

        nav a:hover {
            color: #27a0e6;
        }

        /* ---------------------- */
        /* About Section */
        /* ---------------------- */
        .about {
            padding: 120px 5% 60px;
            background: linear-gradient(135deg, #f9f9f9 50%, #e6f0ff 100%);
            position: relative;
            overflow: hidden;
        }

        .about::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: radial-gradient(circle, rgba(0, 200, 255, 0.1) 10%, transparent 10%);
            background-size: 50px 50px;
            opacity: 0.5;
        }

        .about-container {
            display: flex;
            align-items: center;
            gap: 50px;
            flex-wrap: wrap;
            position: relative;
        }

        .about-image {
            flex: 1;
            min-width: 350px;
        }

        .about-image img {
            width: 100%;
            max-width: 500px;
            border-radius: 15px;
            /* box-shadow: 0 6px 25px rgba(0, 0, 0, 0.15); */
            transition: transform 0.5s ease;
        }

        .about-image img:hover {
            transform: scale(1.05);
        }

        .about-content {
            flex: 1;
            min-width: 350px;
        }

        .about-content h2 {
            font-size: 3rem;
            font-weight: 900;
            color: #0053CF;
            margin-bottom: 25px;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        .about-content p {
            font-size: 1.2rem;
            color: #333;
            margin-bottom: 20px;
            line-height: 1.8;
        }

        .about-content .cta-button {
            display: inline-block;
            padding: 15px 30px;
            background: #00C8FF;
            color: white;
            text-decoration: none;
            border-radius: 8px;
            font-weight: 600;
            font-size: 1.1rem;
            transition: background 0.3s, transform 0.3s;
        }

        .about-content .cta-button:hover {
            background: #27a0e6;
            transform: translateY(-3px);
        }

        /* ---------------------- */
        /* Mission Section */
        /* ---------------------- */
        .mission {
            padding: 60px 5%;
            background: #fff;
            text-align: center;
        }

        .mission h2 {
            font-size: 2.8rem;
            font-weight: 900;
            color: #0053CF;
            margin-bottom: 25px;
            text-transform: uppercase;
        }

        .mission p {
            font-size: 1.2rem;
            color: #333;
            max-width: 900px;
            margin: 0 auto 20px;
            line-height: 1.8;
        }

        /* ---------------------- */
        /* Features Section (Why Choose BillVers) */
        /* ---------------------- */
        .features {
            padding: 60px 5%;
            background: linear-gradient(180deg, #f9f9f9 0%, #e6f0ff 100%);
        }

        .features-container {
            text-align: center;
        }

        .features-container h2 {
            font-size: 2.8rem;
            font-weight: 900;
            color: #0053CF;
            margin-bottom: 40px;
            text-transform: uppercase;
        }

        .features-slider {
            display: flex;
            overflow-x: auto;
            scroll-snap-type: x mandatory;
            gap: 20px;
            padding: 20px 0;
            scrollbar-width: none;
        }

        .features-slider::-webkit-scrollbar {
            display: none;
        }

        .feature-slide {
            flex: 0 0 300px;
            background: white;
            border-radius: 12px;
            padding: 25px;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
            transition: transform 0.4s, box-shadow 0.4s, background 0.4s;
            scroll-snap-align: start;
            position: relative;
            overflow: hidden;
        }

        .feature-slide:hover {
            transform: translateY(-8px) scale(1.03);
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
            background: linear-gradient(135deg, #00C8FF 0%, #007bff 100%);
            color: white;
        }

        .feature-slide:hover .feature-icon,
        .feature-slide:hover h3,
        .feature-slide:hover p {
            color: white;
        }

        .feature-icon {
            font-size: 3rem;
            color: #00C8FF;
            margin-bottom: 20px;
            transition: color 0.4s, transform 0.4s;
        }

        .feature-slide:hover .feature-icon {
            transform: rotate(360deg);
        }

        .feature-slide h3 {
            font-size: 1.6rem;
            font-weight: 700;
            color: #0053CF;
            margin-bottom: 15px;
            transition: color 0.4s;
        }

        .feature-slide p {
            font-size: 1rem;
            color: #333;
            transition: color 0.4s;
        }

        .carousel-controls {
            display: flex;
            justify-content: center;
            gap: 20px;
            margin-top: 30px;
        }

        .carousel-btn {
            background: #00C8FF;
            color: white;
            border: none;
            border-radius: 50%;
            width: 50px;
            height: 50px;
            cursor: pointer;
            transition: background 0.3s, transform 0.3s;
            font-size: 1.2rem;
        }

        .carousel-btn:hover {
            background: #27a0e6;
            transform: scale(1.1);
        }

        /* ---------------------- */
        /* Footer Styles (from footer.css, solid color) */
        /* ---------------------- */
        footer {
            background: #0053CF; /* Solid color, no gradient */
            color: white;
            padding: 60px 5%;
            position: relative;
            width: 100%;
            z-index: 10;
            margin-top: auto;
        }

        .footer-container {
            display: flex;
            justify-content: space-around;
            align-items: flex-start;
            flex-wrap: wrap;
            max-width: 1280px;
            margin: 0 auto;
        }

        .footer-about {
            flex: 1;
            max-width: 300px;
            margin-bottom: 20px;
            padding: 15px;
        }

        .footer-about img {
            max-width: 150px;
            margin-bottom: 15px;
        }

        .footer-about p {
            font-size: 0.95rem;
            margin: 10px 0;
            line-height: 1.7;
        }

        .footer-services, .footer-company, .footer-info, .footer-social {
            flex: 1;
            margin-bottom: 20px;
            padding: 15px;
        }

        .footer-services h3, .footer-company h3, .footer-info h3, .footer-social h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 15px;
        }

        .footer-services ul, .footer-company ul, .footer-social ul {
            list-style: none;
            padding: 0;
        }

        .footer-services li, .footer-company li, .footer-social li {
            margin-bottom: 8px;
        }

        .footer-company li a, .footer-social li a {
            color: white;
            text-decoration: none;
            transition: color 0.3s;
        }

        .footer-company li a:hover, .footer-social li a:hover {
            color: #56C0FF;
        }

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-top: 25px;
            border-top: 1px solid #ffffff33;
            font-size: 0.9rem;
        }

        .footer-bottom ul {
            list-style: none;
            display: flex;
            gap: 20px;
        }

        .footer-bottom li a {
            color: white;
            text-decoration: none;
        }

        .footer-bottom li a:hover {
            color: #56C0FF;
        }

        /* ---------------------- */
        /* Back to Top Button */
        /* ---------------------- */
        #backToTop {
            position: fixed;
            bottom: 20px;
            right: 20px;
            background: #00C8FF;
            color: white;
            border: none;
            border-radius: 50%;
            width: 50px;
            height: 50px;
            display: none;
            cursor: pointer;
            z-index: 1000;
            transition: background 0.3s, transform 0.3s;
            font-size: 24px;
            line-height: 50px;
            text-align: center;
        }

        #backToTop:hover {
            background: #27a0e6;
            transform: scale(1.1);
        }

        /* ---------------------- */
        /* Animations */
        /* ---------------------- */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        [data-scroll] {
            opacity: 0;
            transform: translateY(30px);
            transition: all 0.6s ease;
        }

        [data-scroll].animate {
            opacity: 1;
            transform: translateY(0);
            transition-delay: calc(0.1s * var(--i));
        }

        /* ---------------------- */
        /* Responsive Design */
        /* ---------------------- */
        @media (max-width: 768px) {
            header {
                display: flex;
                flex-direction: column;
                align-items: center;
                text-align: center;
                padding: 15px 0;
            }

            .logo {
                font-size: 22px;
                padding: 0;
            }

            nav {
                width: 100%;
                text-align: center;
                margin-top: 5px;
                gap: 15px;
            }

            nav a {
                display: inline-block;
                margin: 5px 15px;
            }

            .about, .mission, .features {
                padding: 150px 5% 40px;
            }

            .about-container {
                flex-direction: column;
                text-align: center;
            }

            .about-content h2 {
                font-size: 2.2rem;
            }

            .mission h2, .features-container h2 {
                font-size: 2.2rem;
            }

            .feature-slide {
                flex: 0 0 280px;
            }

            .footer-container {
                flex-direction: column;
                align-items: center;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        @media (max-width: 480px) {
            .about, .mission, .features {
                padding: 170px 5% 40px;
            }

            .about-content h2 {
                font-size: 1.8rem;
            }

            .about-content p {
                font-size: 1rem;
            }

            .mission h2, .features-container h2 {
                font-size: 1.8rem;
            }

            .feature-slide {
                flex: 0 0 240px;
            }

            .carousel-btn {
                width: 40px;
                height: 40px;
                font-size: 1rem;
            }
        }