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

html {
    position: relative;
    overflow: hidden;
}

body {
    position: relative;
    background: linear-gradient(145deg,#F9D3E2 0%, #F3849E 50%, #FFFFED 100%);
    background-repeat: no-repeat;
    font-family: 'Nunito', sans-serif;
    font-weight: 400;
    height: 100vh;
    overflow: hidden;
    color: #F8F8F8;

}


.body__container {
    margin: 0 auto;
    padding: 0 15px;
    /* max-width: 100vw; */
    min-height: 100vh;
    background-color: rgba(0, 0, 0, .0);

    animation-duration: 35s;
    animation-fill-mode: forwards;
}

@keyframes body-change {
    from {
        background-color: rgba(0, 0, 0, .0)
    }
    
    10% {
        background-color: rgba(0, 0, 0, .6)
    }

    50% {
        background-color: rgba(0, 0, 0, .6)
    }

    80% {
        background-color: rgba(0, 0, 0, .6)
    }

    to {
        background-color: rgba(0, 0, 0, .0)
    }
}


.container {
    position: relative;
    /* overflow: hidden; */
    display: flex;
    flex-direction: column;
    max-width: 800px;
    align-items: center;
    margin: 0 auto;
    padding: 15px;
}

.video__container {
    max-width: 483px;
    /* width: 100%; */
}

/* .video {
    width: 100%;
} */

.image {
    width: 100%;
}

.title {
    color: #F8F8F8;
    margin-top: 10px;
    margin-bottom: 13px;
    font-weight: 600;
    font-size: 28px;
    text-align: center;
    line-height: 120%;

    animation-name: appear;
    animation-duration: 2.5s;
}

.title span {
    display: block;
}

.countdown {
    position: relative;
    display: flex;
    /* flex-wrap: wrap; */
    justify-content: space-between;
    text-align: center;
    font-size: 16px;
    min-width: 370px;
    margin-bottom: 25px;

    animation-name: appear;
    animation-duration: 2s;
}

@keyframes appear {
    from {
        transform: translateY(5px);
        opacity: 0;
    }

    to {
        opacity: 100; 
    }
}

.countdown-item {
    background-color: #f8bcc9;
    padding: 16px;
    min-width: 65px;
    border-radius: 8px;
    border: #f99aab solid 4px;
    color: #F8F8F8;
}

.countdown-item h4 {
    margin-bottom: 4px;
    font-family: "Lato", sans-serif;
    font-weight: 700;
    font-size: 40px;
    color: #fe7494;
}

.balloon-years {
        display: none;
        position: absolute;
        top: -13px;
        width: inherit;
        transform: translateX(-50%);
    }

.btns-wrap {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 5px;

    animation-name: appear;
    animation-duration: 2.8s;
}

.btn {
    font-family: inherit;
    font-weight: 600;
    font-size: 16px;
    border: 3px solid #F8F8F8;
    border-radius: 100px;
    background-color: transparent;
    color: #F8F8F8;
    padding: 12px 24px;
    cursor: pointer;
    /* margin-bottom: 10px; */
}

.btn-present {
    background-color: #fe7494;
}

.balloon {
    position: absolute;
    transform: translateY(-1%);
    animation-name: balloon-launch;
    animation-duration: 6s;
    animation-fill-mode: forwards;
}

.balloon-launch {

    animation-duration: 35s;
    animation-fill-mode: forwards;
}

@keyframes balloon-btn {
    from {
        opacity: 100%;
    }

    10% {
        opacity: 20%;
    }

    50% {
        opacity: 20%;
    }

    80% {
        opacity: 20%;
    }

    to {
        opacity: 100%;
    }
}

.tip {
    margin: 0;
    margin-bottom: 16px;
}

.copyright {
    margin: 0;
    font-weight: 600;
    font-size: 15px;
    color: #F8F8F8;
    
}

.train {
    position: absolute;
    width: 200%;
    bottom: 30px;
    transform: translateX(2000px);

    animation-duration: 45s;
    animation-fill-mode: forwards;
}

@keyframes train-moving {
    from {
        transform: translateX(200%)
    }

    50% {
        transform: translateX(2%)
    }

    to {
        transform: translateX(-150%)
    }
}

@keyframes balloon-launch {
    from {
        transform: translateY(-1%);
    }

    to {
        transform: translateY(-300%);
    }
}

.hidden {
    display: none;
}

@media (max-width: 400px) {
    body {
        background: linear-gradient(145deg,#F9D3E2 0%, #F3849E 50%, #F3849E 70%, #FFFFED 100%);
    }

    .container {
        max-width: 100vw;
        padding: 45px 15px;
    }

    .video__container {
        width: 100%;
    }

    .video {
        width: 100%;
    }

    .title {
        margin-top: 25px;
        font-size: 22px;
    }

    .countdown {
        justify-content: center;
        min-width: 100%;
        gap: 4px;
        margin-bottom: 35px;
    }

    .countdown-item {
        padding: 12px;
        font-size: 14px;
    }

    /* .countdown-item h4 {
        font-size: 32px;
    } */

    .balloon {
        width: 120px;
        height: auto;
    }

    .train {
        bottom: 25%;
        height: 90px;
        width: auto;
        animation-duration: 50s;
        /* transform: translateX(600px); */
    }

/*     @keyframes train-moving {
        from {
            transform: translateX(200%)
        }
    
        50% {
            transform: translateX(2%)
        }
    
        to {
            transform: translateX(-150%)
        }
    } */

    .btns-wrap {
        flex-direction: column;
        gap: 10px;
    }

    .btn {
        width: 100%;
        /* font-size: 14px; */
        padding: 9px 18px;
    }

    .balloon-launch {
        margin-bottom: 8px;
    }

    @keyframes balloon-launch {
        from {
            transform: translateY(-1%);
        }
    
        to {
            transform: translateY(-430%);
        }
    }

    .copyright {
        font-size: 12px;
        text-align: center;
    }

}