* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Verdana, Tahoma, sans-serif;
}

.container {
    height: 100vh;
    width: 100%;
    background-image: url(../images/image.png);
    background-size: cover;
    background-position: center;
    position: relative;
    display: flex;
    flex-direction: column;
}

.navbar {
    width: 88%;
    margin: auto;
    padding: 15px 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
}

.logo {
    width: 140px;
    cursor: pointer;
    height: auto;
}

.navbar ul {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
}

.navbar ul li {
    list-style: none;
    display: inline-block;
    margin: 0;
}

.navbar ul li a {
    text-decoration: none;
    color: #5f5f5f;
    font-size: 15px;
    transition: all .3s ease;
    white-space: nowrap;
}

.navbar ul li a:hover {
    color: #000;
    text-decoration: underline;
}

.content {
    width: 100%;
    flex: 1;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 6%;
    flex-wrap: wrap;
}

.left-col {
    flex: 1;
    min-width: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.left-col h1 {
    font-size: 90px;
    color: #fff;
    line-height: 110px;
    text-align: center;
}

.right-col {
    flex: 1;
    min-width: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 20px;
}

.right-col p {
    font-size: 18px;
    color: #5f5f5f;
    font-weight: 400;
    text-align: center;
}

#play_btn {
    cursor: pointer;
    width: 80px;
    height: auto;
    transition: transform 0.3s ease;
}

#play_btn:hover {
    transform: scale(1.1);
}

@media (max-width: 480px) {
    .navbar {
        width: 95%;
        padding: 10px 0;
        margin-bottom: 10px;
    }

    .logo {
        width: 80px;
    }

    .navbar ul {
        width: 100%;
        justify-content: center;
        gap: 8px;
        font-size: 12px;
    }

    .navbar ul li {
        margin: 0;
    }

    .navbar ul li a {
        font-size: 12px;
    }

    .content {
        padding: 20px;
        gap: 20px;
    }

    .left-col {
        width: 100%;
        order: 1;
    }

    .left-col h1 {
        font-size: 36px;
        line-height: 44px;
    }

    .right-col {
        width: 100%;
        order: 2;
        margin-top: 20px;
    }

    .right-col p {
        font-size: 14px;
    }

    #play_btn {
        width: 50px;
    }
}

@media (min-width: 481px) and (max-width: 768px) {
    .navbar {
        width: 92%;
        padding: 12px 0;
    }

    .logo {
        width: 100px;
    }

    .navbar ul {
        gap: 10px;
    }

    .navbar ul li a {
        font-size: 13px;
    }

    .content {
        padding: 30px;
        flex-direction: column;
        gap: 30px;
    }

    .left-col {
        width: 100%;
        order: 1;
    }

    .left-col h1 {
        font-size: 52px;
        line-height: 62px;
    }

    .right-col {
        width: 100%;
        order: 2;
    }

    .right-col p {
        font-size: 16px;
    }

    #play_btn {
        width: 65px;
    }
}

@media (min-width: 769px) and (max-width: 1024px) {
    .navbar {
        width: 90%;
        padding: 15px 0;
    }

    .logo {
        width: 110px;
    }

    .navbar ul {
        gap: 12px;
    }

    .navbar ul li a {
        font-size: 14px;
    }

    .content {
        padding: 0 5%;
        flex-direction: row;
    }

    .left-col {
        flex: 1;
        justify-content: flex-start;
    }

    .left-col h1 {
        font-size: 70px;
        line-height: 85px;
        text-align: left;
    }

    .right-col {
        flex: 1;
        justify-content: flex-end;
        flex-direction: column;
        gap: 15px;
    }

    .right-col p {
        font-size: 17px;
        text-align: right;
    }

    #play_btn {
        width: 70px;
    }
}

@media (min-width: 1025px) and (max-width: 1366px) {
    .navbar {
        width: 88%;
    }

    .logo {
        width: 120px;
    }

    .left-col h1 {
        font-size: 75px;
        line-height: 90px;
    }

    .right-col p {
        font-size: 17px;
    }

    #play_btn {
        width: 75px;
    }
}

@media (min-width: 1367px) {
    .navbar {
        width: 88%;
    }

    .logo {
        width: 140px;
    }

    .left-col h1 {
        font-size: 90px;
        line-height: 110px;
    }

    .right-col p {
        font-size: 18px;
    }

    #play_btn {
        width: 80px;
    }
}

@media (max-height: 600px) {
    .container {
        height: auto;
        min-height: 100vh;
    }

    .content {
        padding: 20px;
    }

    .left-col h1 {
        font-size: clamp(28px, 8vw, 60px);
        line-height: 1.2;
    }

    #play_btn {
        width: clamp(40px, 10vw, 70px);
    }
}

@media (min-width: 320px) and (max-width: 480px) and (orientation: portrait) {
    .navbar ul {
        font-size: 11px;
    }

    .left-col h1 {
        font-size: 32px;
        line-height: 38px;
    }

    #play_btn {
        width: 48px;
    }
}

@media (min-width: 1921px) {
    .navbar {
        width: 85%;
    }

    .left-col h1 {
        font-size: 110px;
        line-height: 130px;
    }

    .right-col p {
        font-size: 20px;
    }

    #play_btn {
        width: 100px;
    }
}