.gradient-border {
    --borderWidth: 3px;
    background: #fff;
    position: relative;
    border-radius: var(--borderWidth);
    border-color: transparent;
}

.gradient-border:after {
    content: '';
    position: absolute;
    top: calc(-1 * var(--borderWidth));
    left: calc(-1 * var(--borderWidth));
    height: calc(100% + var(--borderWidth) * 2);
    width: calc(100% + var(--borderWidth) * 2);
    background: linear-gradient(60deg, #f79533, #f37055, #ef4e7b, #a166ab, #5073b8, #1098ad, #07b39b, #6fba82);
    border-radius: calc(2 * var(--borderWidth));
    z-index: -1;
    animation: animatedgradient 3s ease alternate infinite;
    background-size: 300% 300%;
}

@keyframes animatedgradient {
    0% {
        background-position: 0% 50%;
    }

    50% {
        background-position: 100% 50%;
    }

    100% {
        background-position: 0% 50%;
    }
}

.animate-charcter {
    text-transform: uppercase;
    background-image: linear-gradient(-225deg,
            #00BDFD 0%,
            #44107a 29%,
            #ff1361 67%,
            #fff800 100%);
    background-size: auto auto;
    background-clip: border-box;
    background-size: 200% auto;
    color: #fff;
    background-clip: text;
    text-fill-color: transparent;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: textclip 2s linear infinite;
    display: inline-block;
    font-size: 190px;
}

@keyframes textclip {
    to {
        background-position: 200% center;
    }
}

.buttons-common {
    display: inline-block;
    overflow: hidden;
    position: relative;
}

.buttons-common::before {
    content: "";
    pointer-events: none;
    opacity: 0.6;
    background: radial-gradient(circle at 20% 35%, transparent 0, transparent 2px, var(--color-main) 3px, var(--color-main) 4px, transparent 4px), radial-gradient(circle at 75% 44%, transparent 0, transparent 2px, var(--color-main) 3px, var(--color-main) 4px, transparent 4px), radial-gradient(circle at 46% 52%, transparent 0, transparent 4px, var(--color-main) 5px, var(--color-main) 6px, transparent 6px);
    width: 100%;
    height: 300%;
    top: 0;
    left: 0;
    position: absolute;
    animation: bubbles 3s linear infinite both;
    z-index: 2;
}

.buttons-common.active::before,
.buttons-common:hover::before {
    background: radial-gradient(circle at 20% 35%, transparent 0, transparent 2px, #fff 3px, #fff 4px, transparent 4px), radial-gradient(circle at 75% 44%, transparent 0, transparent 2px, #fff 3px, #fff 4px, transparent 4px), radial-gradient(circle at 46% 52%, transparent 0, transparent 4px, #fff 5px, #fff 6px, transparent 6px);

}

@keyframes bubbles {
    from {
        transform: translate();
    }

    to {
        transform: translate(0, -66.666%);
    }
}

.blob-txt {
    position: relative;
    z-index: 2;
    color: #000;
}

.blob-btn {
    z-index: 1;
    position: relative;
    transition: color 0.5s;
    box-shadow: none !important;
    overflow: hidden;
    border: 1px solid var(--color-main);
    border-radius: 30px;
    /* text-transform: math-auto !important; */
}

.blob-btn:before {
    content: "";
    z-index: 1;
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    border: 0px solid var(--color-main);
    border-radius: 0px;
}

.blob-btn:after {
    content: "";
    z-index: -2;
    position: absolute;
    left: 3px;
    top: 3px;
    width: 100%;
    height: 100%;
    transition: all 0.3s 0.2s;
    border-radius: 0px;
}

.blob-btn.active .blob-txt,
.blob-btn:hover .blob-txt {
    color: #fff;
    transition: all .3s ease-in-out;
    text-decoration: none;
    text-transform: math-auto !important;
    font-weight: 600;
}

/* .blob-btn:hover:after {
    transition: all 0.3s;
    left: 0;
    top: 0;
    border-radius: 0px;
} */

.blob-btn__inner {
    z-index: 0;
    overflow: hidden;
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    border-radius: 0px;
}

.blob-btn__blobs {
    position: relative;
    display: block;
    height: 100%;
    filter: url("#goo");
}

.blob-btn__blob {
    position: absolute;
    top: 2px;
    width: 25%;
    height: 100%;
    background: var(--color-main);
    border-radius: 100%;
    transform: translate3d(0, 150%, 0) scale(1.7);
    transition: transform 0.45s;
}

@supports (filter: url("#goo")) {
    .blob-btn__blob {
        transform: translate3d(0, 150%, 0) scale(1.7);
    }
}

.blob-btn__blob:nth-child(1) {
    left: 0%;
    transition-delay: 0s;
}

.blob-btn__blob:nth-child(2) {
    left: 30%;
    transition-delay: 0.08s;
}

.blob-btn__blob:nth-child(3) {
    left: 60%;
    transition-delay: 0.16s;
}

.blob-btn__blob:nth-child(4) {
    left: 90%;
    transition-delay: 0.24s;
}

.blob-btn.active .blob-btn__blob,
.blob-btn:hover .blob-btn__blob {
    transform: translateZ(0) scale(1.7);
}

@supports (filter: url("#goo")) {
    /* .blob-btn:hover .blob-btn__blob {
        transform:translateZ(0) scale(1.7);
    } */
}


.run-bar {
    background: #E9E9E9;
    height: 2px;
    width: 100%;
    position: relative;
    border-radius: 30px;
    margin: 0 0 23px 0;
    transition: 0.5s;
}

.run-bar::before {
    position: absolute;
    content: "";
    top: 0;
    left: 0;
    height: 2px;
    width: 30px;
    background: var(--color-main);
    color: var(--color-main);
    border-radius: 10%;
    -webkit-animation: run-bar-vertical 6s linear infinite alternate;
    -moz-animation: run-bar-vertical 6s linear infinite alternate;
    -o-animation: run-bar-vertical 6s linear infinite alternate;
    animation: run-bar-vertical 6s linear infinite alternate;
    opacity: 1;
    z-index: 1;
    transition: 0.5s;
}

@keyframes run-bar-vertical {
    0% {
        -webkit-transform: translateX(0);
        transform: translateX(0);
    }

    50% {
        -webkit-transform: translateX(170px);
        transform: translateX(170px);
    }

    100% {
        -webkit-transform: translateX(0);
        transform: translateX(0);
    }
}

.logo-animate {
    display: grid;
    place-content: center;
    padding: 3rem;
    --border-angle: 0turn;
    --main-bg: conic-gradient(from var(--border-angle),
            #fff,
            #fff 5%,
            #fff 60%,
            #fff 95%);

    border: solid 5px transparent;
    border-radius: 100%;
    --gradient-border: conic-gradient(from var(--border-angle), transparent 25%, #08f, #f03 99%, transparent);

    background:
        var(--main-bg) padding-box,
        var(--gradient-border) border-box,
        var(--main-bg) border-box;

    background-position: center center;

    animation: bg-spin 3s linear infinite;

}

@keyframes bg-spin {
    to {
        --border-angle: 1turn;
    }
}

@property --border-angle {
    syntax: "<angle>";
    inherits: true;
    initial-value: 0turn;
}

.project-animate .image {
    position: relative;
}

.project-animate .image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    transition: all .3s;
}

.project-animate .desc {
    position: absolute;
    opacity: 0;
    top: 30px;
    left: 30px;
    width: calc(100% - 60px);
    height: calc(100% - 60px);
    padding: 10px 20px;
    color: #fff;
    text-align: center;
    transition: all 1s;
    z-index: 2;
}

.project-animate .desc::after,
.project-animate .desc::before {
    content: " ";
    width: 2px;
    height: 2px;
    position: absolute;
    border: 0px solid #fff;
    transition: all 1s;
}

.project-animate .desc::after {
    top: 5px;
    left: 5px;
    border-top: 2px solid rgba(255, 255, 255, .5);
    border-left: 2px solid rgba(255, 255, 255, .5);
}

.project-animate .desc::before {
    bottom: 5px;
    right: 5px;
    border-bottom: 2px solid rgba(255, 255, 255, .5);
    border-right: 2px solid rgba(255, 255, 255, .5);
}

.project-animate:hover .desc {
    opacity: 1;
}

.project-animate:hover .desc::after,
.project-animate:hover .desc::before {
    width: 100%;
    height: 100%;
}

.project-animate:hover .image::before {
    background-color: rgba(0, 0, 0, .5);
}

.image-rotate {
    overflow: hidden;
    perspective: 1000px;
    /* Tạo hiệu ứng 3D cho trục Y */
}

.image-rotate img {
    transition: transform 0.5s ease;
    transform-style: preserve-3d;
    /* Để duy trì hiệu ứng 3D khi xoay */
}

/* Keyframes for continuous Y-axis rotation */
@keyframes continuousRotateY {
    from {
        transform: rotateY(0deg);
    }

    to {
        transform: rotateY(360deg);
    }
}

/* Apply continuous Y-axis rotation on hover */
.tieuchi-item:hover img,
.image-rotate:hover img {
    animation: continuousRotateY 2s linear infinite;
}



.trin-trin {
    animation-name: trin;
    animation-duration: 1.5s;
    animation-iteration-count: infinite;
    animation-timing-function: linear;
}

@keyframes trin {
    from {
        transform: rotate3d(0, 0, 1, 0deg);
    }

    20%,
    32%,
    44%,
    56%,
    68% {
        transform: rotate3d(0, 0, 1, 0deg);
    }

    23%,
    35%,
    47%,
    59%,
    71% {
        transform: rotate3d(0, 0, 1, 15deg);
    }

    26%,
    38%,
    50%,
    62%,
    74% {
        transform: rotate3d(0, 0, 1, 0deg);
    }

    29%,
    41%,
    53%,
    65%,
    77% {
        transform: rotate3d(0, 0, 1, -15deg);
    }

    80% {
        transform: rotate3d(0, 0, 1, 0deg);
    }
}

/* chữ nhấp nháy */
@-webkit-keyframes my {
    0% {
        color: var(--color-main);
    }

    50% {
        color: #fff;
    }

    100% {
        color: var(--color-main);
    }
}

@-moz-keyframes my {
    0% {
        color: var(--color-main);
    }

    50% {
        color: #fff;
    }

    100% {
        color: var(--color-main);
    }
}

@-o-keyframes my {
    0% {
        color: var(--color-main);
    }

    50% {
        color: #fff;
    }

    100% {
        color: var(--color-main);
    }
}

@keyframes my {
    0% {
        color: var(--color-main);
    }

    50% {
        color: #fff;
    }

    100% {
        color: var(--color-main);
    }
}

.test {
    -webkit-animation: my 700ms infinite;
    -moz-animation: my 700ms infinite;
    -o-animation: my 700ms infinite;
    animation: my 700ms infinite;
}

/* hình xoay tròn */
.img-gyrate {
    position: absolute;
    z-index: 1;
    left: -7%;
    top: -32px;
    pointer-events: none;
}

.img-gyrate img {
    animation: gyrate 4s infinite linear;
}

@keyframes gyrate {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

/* hover button */
.neon {
    display: block;
    position: relative;
    overflow: hidden;
    padding: 25px 30px;
    font-weight: bold;
    text-decoration: none;
    letter-spacing: 4px;
    color: #FFFF33;
    transition: 0.5s;
    border-radius: 2px;
}

.neon:hover {
    background: #FFFF33;
    color: #050801;
    box-shadow: 0 0 5px #FFFF33, 0 0 25px #FFFF33, 0 0 50px #FFFF33, 0 0 200px #FFFF33;
    /* -webkit-box-reflect: below 1px linear-gradient(transparent, #0005); */
    /* style for reflection */
}

.neon span {
    display: block;
    position: absolute;
}

.neon span:nth-child(1) {
    top: 0%;
    left: 0%;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, #FFFF33);
    animation: span_1 1s linear infinite;
}

@keyframes span_1 {
    0% {
        left: -100%;
    }

    50%,
    100% {
        left: 100%;
    }
}

.neon span:nth-child(2) {
    top: 0%;
    right: 0%;
    width: 2px;
    height: 100%;
    background: linear-gradient(180deg, transparent, #FFFF33);
    animation: span_2 1s linear 0.25s infinite;
}

@keyframes span_2 {
    0% {
        top: -100%;
    }

    50%,
    100% {
        top: 100%;
    }
}

.neon span:nth-child(3) {
    bottom: 0%;
    right: 0%;
    width: 100%;
    height: 2px;
    background: linear-gradient(270deg, transparent, #FFFF33);
    animation: span_3 1s linear 0.50s infinite;
}

@keyframes span_3 {
    0% {
        right: -100%;
    }

    50%,
    100% {
        right: 100%;
    }
}

.neon span:nth-child(4) {
    bottom: 0%;
    left: 0%;
    width: 2px;
    height: 100%;
    background: linear-gradient(360deg, transparent, #FFFF33);
    animation: span_4 1s linear 0.75s infinite;
}

@keyframes span_4 {
    0% {
        bottom: -100%;
    }

    50%,
    100% {
        bottom: 100%;
    }
}

.pulse2 {
    --color: white;
    --hover: var(--color-main);
}

.pulse2:hover,
.pulse2:focus {
    animation: pulse 1s;
}

.neon-led {
    animation: neon 2.5s infinite;
}

@keyframes neon {
    0% {
        text-shadow: 0 0 10px var(--color-main), 0 0 20px var(--color-main), 0 0 0px var(--color-main);
    }

    50% {
        text-shadow: 0 0 10px var(--color-main), 0 0 20px var(--color-main), 0 0 30px var(--color-main), 0 0 40px var(--color-main);
    }

    100% {
        text-shadow: 0 0 10px var(--color-main), 0 0 20px var(--color-main), 0 0 10px var(--color-main);
    }
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 var(--hover);
    }

    100% {
        box-shadow: 0 0 0 2em transparent;
    }
}

.border-hv {
    --color: #face0d;
    --hover: var(--color-main);
    border-width: 1px;
    border-radius: 0;
    position: relative;
    width: 106.5px;
    border: 1px solid var(--color-main) !important;
}

.border-hv span:nth-child(2) {
    content: '';
    display: block;
    position: absolute;
    height: 1px;
    background-color: var(--hover);
    left: 0;
    top: 0;
}

.border-hv span:nth-child(3) {
    content: '';
    display: block;
    position: absolute;
    width: 1px;
    background-color: var(--hover);
    right: 0;
    top: 0;
}

.border-hv span:nth-child(4) {
    content: '';
    display: block;
    position: absolute;
    height: 1px;
    background-color: var(--hover);
    right: 0;
    bottom: 0;
}

.border-hv span:nth-child(1) {
    content: '';
    display: block;
    position: absolute;
    width: 1px;
    background-color: var(--hover);
    left: 0;
    bottom: 0;
}

.border-hv:hover,
.border-hv:focus {
    border: none;
}

.border-hv:hover {
    border: 0px solid transparent !important;
}

.border-hv:hover span:nth-child(1),
.border-hv:focus span:nth-child(1) {
    animation: move1 1250ms infinite ease;
}

.border-hv:hover span:nth-child(2),
.border-hv:focus span:nth-child(2) {
    animation: move2 1250ms infinite ease;
}

.border-hv:hover span:nth-child(3),
.border-hv:focus span:nth-child(3) {
    animation: move3 1250ms infinite ease;
}

.border-hv:hover span:nth-child(4),
.border-hv:focus span:nth-child(4) {
    animation: move4 1250ms infinite ease;
}

@keyframes move1 {
    0% {
        height: 100%;
        bottom: 0;
    }

    54% {
        height: 0;
        bottom: 100%;
    }

    55% {
        height: 0;
        bottom: 0;
    }

    100% {
        height: 100%;
        bottom: 0;
    }
}

@keyframes move2 {
    0% {
        width: 0;
        left: 0;
    }

    50% {
        width: 100%;
        left: 0;
    }

    100% {
        width: 0;
        left: 100%;
    }
}

@keyframes move3 {
    0% {
        height: 100%;
        top: 0;
    }

    54% {
        height: 0;
        top: 100%;
    }

    55% {
        height: 0;
        top: 0;
    }

    100% {
        height: 100%;
        top: 0;
    }
}

@keyframes move4 {
    0% {
        width: 0;
        right: 0;
    }

    50% {
        width: 100%;
        right: 0;
    }

    100% {
        width: 0;
        right: 100%;
    }
}