.video-background {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            overflow: hidden;
            z-index: -1;
        }

        .video-background video {
            position: absolute;
            top: 50%;
            left: 50%;
            min-width: 100%;
            min-height: 100%;
            width: auto;
            height: auto;
            transform: translateX(-50%) translateY(-50%);
            object-fit: cover;
        }

        .video-overlay {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0, 0, 0, 0.7);
        }

        /* Header styles */
        header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 2rem;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background-color: black;
        }

       

        .header-right {
            display: flex;
            align-items: center;
            gap: 1.5rem;
        }

        .sign-in {
            text-decoration: none;
            color: #fff;
            font-weight: 500;
            letter-spacing: 1px;
            transition: opacity 0.3s;
        }

        .sign-in:hover {
            opacity: 0.7;
        }

        .hamburger {
            background: none;
            border: none;
            color: #fff;
            font-size: 1.5rem;
            cursor: pointer;
            padding: 0;
            width: 30px;
            height: 30px;
            display: flex;
            align-items: center;
            justify-content: center;
            z-index: 400;
        }

        /* Main content styles */
        main {
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: flex-end;
            padding: 2rem;
            position: relative;
        }

        .tagline {
            color: #fff;
            text-align: right;
            margin-right: 5%;
            margin-top: 5%;
            z-index: 2;
        }

        .tagline-line1 {
            font-size: 3.5rem;
            font-weight: 700;
            line-height: 1;
            letter-spacing: 2px;
            text-transform: lowercase;
        }

        .tagline-line2 {
            font-size: 3.5rem;
            font-weight: 700;
            line-height: 1;
            letter-spacing: 2px;
            text-transform: lowercase;
            margin-top: 0.5rem;
        }

        /* Animated A logo */
     
        /* Navigation menu */
        .nav-overlay {
            position: fixed;
            top: 0;
            right: 0;
            bottom: 0;
            width: 100%;
            background-color: rgba(0, 0, 0, 0.8);
            z-index: 200;
            display: none;
        }

        .nav-menu {
            position: fixed;
            top: 0;
            right: 0;
            bottom: 0;
            width: 300px;
            background-color: #000;
            z-index: 300;
            padding: 2rem;
            transform: translateX(100%);
            transition: transform 0.4s ease-in-out;
            display: flex;
            flex-direction: column;
            overflow-y: auto;
        }

        .nav-menu.active {
            transform: translateX(0);
        }

        .nav-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 3rem;
        }

        .nav-logo {
            font-size: 1.5rem;
            font-weight: 500;
            letter-spacing: 1px;
        }

        .close-btn {
            background: none;
            border: none;
            color: #fff;
            font-size: 1.8rem;
            cursor: pointer;
        }

        .nav-links {
            list-style: none;
        }

        .nav-links li {
            margin-bottom: 1.5rem;
        }

        .nav-links a {
            color: #fff;
            text-decoration: none;
            font-size: 1.2rem;
            font-weight: 400;
            letter-spacing: 1px;
            display: flex;
            align-items: center;
            transition: color 0.3s;
        }

        .nav-links a:hover {
            color: #4a90e2;
        }

        .nav-links a.active {
            color: #4a90e2;
        }

        .nav-links a.active::before {
            content: '';
            display: inline-block;
            width: 10px;
            height: 10px;
            background-color: #4a90e2;
            border-radius: 50%;
            margin-right: 15px;
        }
          @media (max-width: 768px) {

            .tagline-line1,
            .tagline-line2 {
                font-size: 2.5rem;
            }

          

            .nav-menu {
                width: 100%;
            }
        }
         @media (max-width: 480px) {
            header {
                padding: 1.5rem;
            }

         
        }