:root {
    --blue-color: #213953;
    --green-color: #347954;
}

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

        body {
            font-family: 'Poppins', sans-serif;
            line-height: 1.6;
            color: #333;
            background: #ffffff;
        }

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

        .section {
            padding: 80px 0;
        }

        .section-title {
            font-family: 'Montserrat', sans-serif;
            font-size: 2.5rem;
            font-weight: 700;
            text-align: center;
            margin-bottom: 50px;
            color: #213953;
        }

        /* Header */
        header {
            background-color: white;
            /* background: linear-gradient(135deg, #3a6ea5 0%, #28a745 100%); */
            color: #347954;
            padding: 10px 0;
            position: fixed;
            width: 100%;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 20px rgba(0,0,0,0.1);
        }

        nav {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .logo {
            width: 180px;
        }

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

        .nav-links a {
            color: var(--blue-color);
            text-decoration: none;
            font-weight: 500;
            transition: color 0.3s;
        }

        .nav-links a:hover {
            color: var(--green-color);
        }

        .menu-icon{
            display: none;
            cursor: pointer;
        }

        @media (max-width: 768px) {
            .nav-links {
                position: fixed;
                top: 0;
                right: -250px;
                width: 200px;
                height: 100%;
                background: #ffffff;
                flex-direction: column;
                align-items: start;
                padding: 20px 20px;
                transition: right 0.3s ease;
                z-index: 999;
                box-shadow: 0 0px 20px rgba(0, 0, 0, 0.212);
            }
            .nav-links.active{
                right: 0;
            }
            .menu-icon {
                display: block;
            }
            .logo {
                width: 120px;
            }
        }

        .overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.3);
            display: none;
            z-index: 998;
        }

        .overlay.active {
            display: block;
        }

        /* Hero Section */
        .hero {
            background: linear-gradient(135deg, #3a6ea5 0%, #28a745 100%);
            color: white;
            padding: 150px 0 120px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="20" cy="20" r="2" fill="rgba(255,255,255,0.1)"/><circle cx="80" cy="40" r="1.5" fill="rgba(255,255,255,0.1)"/><circle cx="40" cy="70" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="70" cy="80" r="2.5" fill="rgba(255,255,255,0.1)"/></svg>');
        }

        .hero-content {
            position: relative;
            z-index: 2;
        }

        .hero h1 {
            font-family: 'Montserrat', sans-serif;
            font-size: 3.5rem;
            font-weight: 700;
            margin-bottom: 20px;
        }

        .hero-tagline {
            font-size: 1.3rem;
            margin-bottom: 30px;
            
        }

        .hero-subtitle {
            font-size: 1.1rem;
            margin-bottom: 40px;
            
        }

        .cta-button {
            background: #fff;
            color: #347954;
            padding: 15px 40px;
            border: none;
            border-radius: 50px;
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s;
            text-decoration: none;
            display: inline-block;
        }

        .cta-button:hover {
            color: #213953;
            transform: translateY(-2px);
            box-shadow: 0 10px 30px rgba(255, 255, 255, 0.212);
        }

        /* Card Styles */
        .card {
            background: white;
            border-radius: 20px;
            padding: 40px;
            box-shadow: 0 5px 10px rgba(0,0,0,0.1);
            transition: transform 0.3s, box-shadow 0.3s;
            margin-bottom: 30px;
            border: 2px solid #e4e4e4;
        }

        .card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(0,0,0,0.15);
            border: 2px solid var(--green-color);
        }

        /* ISO icons */
        .iso-tagline {
            font-size: 1.1rem;
            margin: 0px 0 30px;
            font-weight: bold;
        }

        .iso-sub-tagline {
            margin-top: 30px;
            font-size: 1.1rem;
        }

        /* About Section */
        .about {
            background: #f8f9fa;
        }

        .about-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }

        .about-text {
            font-size: 1.1rem;
            line-height: 1.8;
        }

        .about-stats {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 30px;
        }

        .stat-card {
            text-align: center;
            padding: 30px;
            background: white;
            border-radius: 15px;
            box-shadow: 0 5px 20px rgba(0,0,0,0.1);
        }

        .stat-number {
            font-family: 'Montserrat', sans-serif;
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--green-color);
            margin-bottom: 0px;
        }

        .stat-icon span {
            font-size: 3.5rem;
            color: var(--green-color);
        }

        /* Ecosystem Section */
        .ecosystem-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 40px;
            margin-top: 50px;
        }

        .ecosystem-card {
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .ribbon {
            position: absolute;
            top: -10px;
            right: -10px;
            width: 150px;
            height: 150px;
        }

        .ribbon span {
            position: absolute;
            display: block;
            width: 300px;
            background: var(--green-color);
            color: #fff;
            transform: rotate(40deg);
            top: 35px;
            right: -95px;
            text-transform: uppercase;
            line-height: 17px;
            padding: 6px 0;
            font-weight: bold;
            box-shadow: 0 3px 10px rgba(0, 0, 0, 0.116);
            font-size: 12px;
        }

        .lowbattery-ribbon span{
            background: #207cef;
        }

        .ribbon span::before {
            content: "Coming Soon  •  Coming Soon  •  Coming Soon  •  Coming Soon  •  Coming Soon  •  Coming Soon  •  Coming Soon  •  Coming Soon  •  Coming Soon  •  Coming Soon  •";
            display: inline-block;
            animation: scrollText 25s linear infinite;
            white-space: nowrap;
        }

        @keyframes scrollText {
            0% {
                transform: translateX(0);
            }
            100% {
                transform: translateX(-50%);
            }
        }

        .ecosystem-icon {
            width: 80px;
            height: 80px;
            margin: 0 auto 20px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2rem;
            margin-bottom: 25px;
        }

        .ecosystem-logos img {
            width: 200px;
        }

        .card-a {
            text-decoration: none;
            color: inherit;
        }

        .ecosystem-card h3 {
            font-family: 'Montserrat', sans-serif;
            font-size: 1.5rem;
            font-weight: 600;
            margin-bottom: 15px;
        }

        .voltix-motors-logo {
            margin: 20px 0px;
        }

        .low-battery-logo {
            margin: 20px 0px;
        }

        /* Mission Section */
        .mission {
            background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
        }

        .mission-content {
            text-align: center;
            max-width: 800px;
            margin: 0 auto;
        }

        .mission-text {
            font-size: 1.2rem;
            line-height: 1.8;
            margin-bottom: 40px;
        }

        /* Why Partner Section */
        .partner-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
            gap: 30px;
            margin-top: 50px;
        }

        .partner-card {
            text-align: center;
        }

        .partner-icon {
            width: 60px;
            height: 60px;
            background: #ffffff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            color: white;
            font-size: 3.5rem;
        }

        /* Milestones Section */
        .milestones {
            background: #f8f9fa;
        }

        .timeline {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-top: 50px;
        }

        .milestone-card {
            text-align: center;
            position: relative;
        }

        .milestone-year {
            font-family: 'Montserrat', sans-serif;
            font-size: 2rem;
            font-weight: 700;
            color: #3a6ea5;
            margin-bottom: 15px;
        }

        /* Leadership Section */
        .leadership-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 40px;
            margin-top: 50px;
        }

        .leader-card {
            text-align: center;
        }

        .leader-avatar {
            width: 120px;
            height: 120px;
            background: linear-gradient(135deg, #3a6ea5, #28a745);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            color: white;
            font-size: 2.5rem;
            font-weight: 700;
        }

        /* Partners Section */
        .partners {
            background: #ffffff;
        }

        .partners-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 30px;
            margin-top: 50px;
        }

        .partner-logo {
            background: white;
            padding: 30px;
            border-radius: 15px;
            text-align: center;
            box-shadow: 0 5px 20px rgba(0,0,0,0.1);
            font-weight: 600;
            color: #666;
        }

        .hdfc-logo{
            width: 200px;
        }
        .pm-surya-logo{
            width: 170px;
            margin: 10px 0 20px 0;
        }
        .tgredco-logo{
            width: 100px;
            margin: 10px 0 20px 0;
        }

        /* Contact Section */
        .contact {
            background: linear-gradient(135deg, #3a6ea5 0%, #28a745 100%);
            color: white;
        }

        .contact-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 50px;
            margin-top: 50px;
        }

        .contact-info h3 {
            font-family: 'Montserrat', sans-serif;
            font-size: 1.3rem;
            margin-bottom: 20px;
        }

        .contact-item {
            display: flex;
            align-items: center;
            margin-bottom: 15px;
        }

        .contact-icon {
            width: 40px;
            height: 40px;
            background: rgba(255,255,255,0.2);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-right: 15px;
        }

        /* Footer */
        footer {
            background: var(--blue-color);
            color: white;
            text-align: center;
            padding: 30px 0;
        }

        .designed {
            margin-top: 15px;
        }

        .designed a {
            color: inherit;
            text-decoration: none;
        }

        /* back to top */
        #scrollBtn {
            display: none;
            position: fixed;
            bottom: 30px;
            right: 30px;
            z-index: 9999;
            background-color: var(--blue-color);
            padding: 12px;
            border-radius: 50%;
            color: white;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
        }

        #scrollBtn:hover {
            background-color: var(--green-color);
            transform: scale(1.1);
        }

        /* Responsive Design */
        @media (max-width: 768px) {

            
            .hero h1 {
                font-size: 2.5rem;
            }
            
            .section-title {
                font-size: 2rem;
            }
            
            .about-content {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            
            .ecosystem-grid {
                grid-template-columns: 1fr;
            }
            
            .section {
                padding: 60px 0;
            }
        }

        /* Smooth scrolling */
        html {
            scroll-behavior: smooth;
        }

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

        .card {
            animation: fadeInUp 0.6s ease-out;
        }