/* --- Header (Black & Solid) --- */
header {
    position: relative; /* Fixed nahi, taake video iske neeche aaye */
    z-index: 100;
    width: 100%;
    background-color: #000; /* Black Background */
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px;
}

/* --- Main Section Alignment --- */
main {

    display: flex;
    flex-direction: column;
    justify-content: flex-start; /* 'center' hata diya taake video top se shuru ho */
    align-items: center; /* Center alignment */
    position: relative;
    padding-top: 0; 
}

/* --- Video Container (Below Header) --- */
/* --- Video Container --- */
/* --- Video Container (Auto Fit - No Black Bars) --- */
.video-container {
    position: relative;
    width: 100%;

    display: block;
    line-height: 0; /* Ye video ke neeche wali choti si white line (gap) hata dega */
    z-index: 1;
}

/* --- Video Element (Perfect Fit) --- */
.video-container video {
    width: 100%; /* Video hamesha puri screen ki chorayi (width) legi */
    height: auto; /* Height apne aap adjust hogi taake video pichkay nahi */
    object-fit: contain;
    display: block;
}   

        .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;
        }

       

        .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;
            }

         
        }