body {
    font-family: 'Poppins', sans-serif;
    margin: 0;
    padding: 0;
    background: linear-gradient(to right, #0f2027, #203a43, #2c5364);
    color: white;
    text-align: center;
}

/* Header */
header {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    padding: 20px 5%;
    background: rgba(0, 0, 0, 0.9);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.7);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.logo img {
    width: 10vw;
    max-width: 100px;
}

/* Dropdown Menu */
.dropdown-menu {
    position: relative;
    display: inline-block;
    margin-top: 10px;
}

.menu-btn {
    background: none;
    border: none;
    color: white;
    font-size: 2vw;
    cursor: pointer;
    transition: color 0.3s;
}

.menu-btn:hover {
    color: #f4b400;
}

.dropdown-content {
    display: none;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    top: 50px;
    background-color: #444;
    min-width: 120px;
    max-width: 20vw;
    box-shadow: 0px 8px 16px rgba(0, 0, 0, 0.5);
    z-index: 2000;
}

.dropdown-content a {
    color: white;
    padding: 2vh 1vw;
    text-decoration: none;
    display: block;
    transition: background-color 0.3s;
}

.dropdown-content a:hover {
    background-color: #575757;
}

.show-dropdown {
    display: block;
}

/* Main Content */
main {
    padding-top: 10vh;
    margin-top: 80px;
}

h1 {
    font-size: 3vw;
    text-transform: uppercase;
    text-shadow: 2px 2px 5px black;
}

.video-grid {
    display: flex;
    justify-content: center;
    gap: 2vw;
    flex-wrap: wrap;
    padding: 5vh 0;
}

.video-card {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    padding: 2vh;
    transition: transform 0.3s, box-shadow 0.3s;
    width: 30vw;
    max-width: 300px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.5);
}

.video-card:hover {
    transform: scale(1.05);
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.7);
}

/* Footer */
footer {
    background: black;
    padding: 0.1vh;
    font-size: 0.2vw;
}

/* Fade-in Effect */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

/* Media Queries */

/* For laptops */
@media (min-width: 1024px) and (max-width: 1440px) {
    header {
        padding: 15px 3%;
    }

    .logo img {
        width: 90px;
    }

    .menu-btn {
        font-size: 22px;
    }

    h1 {
        font-size: 32px;
    }

    .video-card {
        width: 28vw;
    }
}

/* For tablets and small laptops */
@media (max-width: 1024px) {
    header {
        padding: 15px 3%;
    }

    .logo img {
        width: 90px;
    }

    .menu-btn {
        font-size: 20px;
    }

    h1 {
        font-size: 30px;
    }

    .video-card {
        width: 45vw;
    }
}