@import url("https://fonts.googleapis.com/css2?family=Chakra+Petch:ital,wght@0,300;0,400;0,500;0,600;0,700;1,300;1,400;1,500;1,600;1,700&display=swap");
@import url("https://fonts.googleapis.com/css2?family=Chakra+Petch:ital,wght@0,300;0,400;0,500;0,600;0,700;1,300;1,400;1,500;1,600;1,700&display=swap");

html,
body {
    margin: 0;
    padding: 0;
    background: #faf8ef;
    color: #776e65;
    font-family: "Chakra Petch", sans-serif;
    font-size: 18px;
}

body {
    margin: 80px 0;
}

.heading:after {
    content: "";
    display: block;
    clear: both;
}

h1.title {
    font-size: 80px;
    font-weight: bold;
    margin: 0;
    display: block;
    float: left;
}

@-webkit-keyframes move-up {
    0% {
        top: 25px;
        opacity: 1;
    }
    100% {
        top: -50px;
        opacity: 0;
    }
}

@-moz-keyframes move-up {
    0% {
        top: 25px;
        opacity: 1;
    }
    100% {
        top: -50px;
        opacity: 0;
    }
}

@keyframes move-up {
    0% {
        top: 25px;
        opacity: 1;
    }
    100% {
        top: -50px;
        opacity: 0;
    }
}

.scores-container {
    float: right;
    text-align: right;
}

.score-container,
.best-container {
    position: relative;
    display: inline-block;
    background: #bbada0;
    padding: 15px 25px;
    font-size: 25px;
    height: 25px;
    line-height: 47px;
    font-weight: bold;
    border-radius: 3px;
    color: white;
    margin-top: 8px;
    text-align: center;
}

.score-container:after,
.best-container:after {
    position: absolute;
    width: 100%;
    top: 10px;
    left: 0;
    text-transform: uppercase;
    font-size: 13px;
    line-height: 13px;
    text-align: center;
    color: #eee4da;
}

.score-container .score-addition,
.best-container .score-addition {
    position: absolute;
    right: 30px;
    color: red;
    font-size: 25px;
    line-height: 25px;
    font-weight: bold;
    color: rgba(119, 110, 101, 0.9);
    z-index: 100;
    -webkit-animation: move-up 600ms ease-in;
    -moz-animation: move-up 600ms ease-in;
    animation: move-up 600ms ease-in;
    -webkit-animation-fill-mode: both;
    -moz-animation-fill-mode: both;
    animation-fill-mode: both;
}

.score-container:after {
    content: "Score";
}

.best-container:after {
    content: "Best";
}

p {
    margin-top: 0;
    margin-bottom: 10px;
    line-height: 1.65;
}

a {
    color: #776e65;
    font-weight: bold;
    text-decoration: underline;
    cursor: pointer;
}

strong.important {
    text-transform: uppercase;
}

hr {
    border: none;
    border-bottom: 1px solid #d8d4d0;
    margin-top: 20px;
    margin-bottom: 30px;
}

.container {
    width: 500px;
    margin: 0 auto;
}

@-webkit-keyframes fade-in {
    0% {
        opacity: 0;
    }
    100% {
        opacity: 1;
    }
}

@-moz-keyframes fade-in {
    0% {
        opacity: 0;
    }
    100% {
        opacity: 1;
    }
}

@keyframes fade-in {
    0% {
        opacity: 0;
    }
    100% {
        opacity: 1;
    }
}

.game-container {
    margin-top: 40px;
    position: relative;
    padding: 10px;
    cursor: default;
    -webkit-touch-callout: none;
    -ms-touch-callout: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    -ms-touch-action: none;
    touch-action: none;
    background: #bbada0;
    border-radius: 6px;
    width: 100%;
    max-width: 500px;
    aspect-ratio: 1 / 1;
    height: auto;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}

.game-container .game-message {
    display: none;
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    background: rgba(238, 228, 218, 0.5);
    z-index: 100;
    text-align: center;
    -webkit-animation: fade-in 800ms ease 1200ms;
    -moz-animation: fade-in 800ms ease 1200ms;
    animation: fade-in 800ms ease 1200ms;
    -webkit-animation-fill-mode: both;
    -moz-animation-fill-mode: both;
    animation-fill-mode: both;
}

.game-container .game-message p {
    font-size: 60px;
    font-weight: bold;
    height: 60px;
    line-height: 60px;
    margin-top: 222px;
}

.game-container .game-message .lower {
    display: block;
    margin-top: 59px;
}

.game-container .game-message a {
    display: inline-block;
    background: #8f7a66;
    border-radius: 3px;
    padding: 0 20px;
    text-decoration: none;
    color: #f9f6f2;
    height: 40px;
    line-height: 42px;
    margin-left: 9px;
}

.game-container .game-message a.keep-playing-button {
    display: none;
}

.game-container .game-message.game-won {
    background: rgba(237, 194, 46, 0.5);
    color: #f9f6f2;
}

.game-container .game-message.game-won a.keep-playing-button {
    display: inline-block;
}

.game-container .game-message.game-won,
.game-container .game-message.game-over {
    display: block;
}

.grid-container {
    position: absolute;
    z-index: 1;
    width: calc(100vw - 60px);
    max-width: 480px;
    aspect-ratio: 1 / 1;
    height: auto;
}

.grid-row {
    margin-bottom: 10px;
}

.grid-row:last-child {
    margin-bottom: 0;
}

.grid-row:after {
    content: "";
    display: block;
    clear: both;
}

.grid-cell {
    width: calc((100% - 30px) / 4);
    max-width: 115px;
    aspect-ratio: 1 / 1;
    height: auto;
    margin-right: 10px;
    float: left;
    border-radius: 3px;
    background: rgba(238, 228, 218, 0.35);
}

.grid-cell:last-child {
    margin-right: 0;
}

.tile-container {
    position: absolute;
    z-index: 2;
    width: calc(100vw - 60px);
    max-width: 480px;
    aspect-ratio: 1 / 1;
    height: auto;
}

.tile{
    width: calc((100% - 30px) / 4);
    max-width: 115px;
    aspect-ratio: 1 / 1;
    height: auto;
}
.tile .tile-inner{
    width: 100%;
    height: 100%;
    line-height: initial;
    display: flex;
    justify-content: center;
    align-items: center;
}

.tile.tile-position-1-2 {
    -webkit-transform: translate(0px, 0px);
    -moz-transform: translate(0px, 0px);
    -ms-transform: translate(0px, 0px);
    transform: translate(0px, 0px);
}
.tile.tile-position-1-2 {
    -webkit-transform: translate(0px, calc(100% + 10px));
    -moz-transform: translate(0px, calc(100% + 10px));
    -ms-transform: translate(0px, calc(100% + 10px));
    transform: translate(0px, calc(100% + 10px));
}
.tile.tile-position-1-3 {
    -webkit-transform: translate(0px, calc(200% + 20px));
    -moz-transform: translate(0px, calc(200% + 20px));
    -ms-transform: translate(0px, calc(200% + 20px));
    transform: translate(0px, calc(200% + 20px));
}
.tile.tile-position-1-4 {
    -webkit-transform: translate(0px, calc(300% + 30px));
    -moz-transform: translate(0px, calc(300% + 30px));
    -ms-transform: translate(0px, calc(300% + 30px));
    transform: translate(0px, calc(300% + 30px));
}
.tile.tile-position-2-1 {
    -webkit-transform: translate(calc(100% + 10px), 0px);
    -moz-transform: translate(calc(100% + 10px), 0px);
    -ms-transform: translate(calc(100% + 10px), 0px);
    transform: translate(calc(100% + 10px), 0px);
}
.tile.tile-position-2-2 {
    -webkit-transform: translate(calc(100% + 10px), calc(100% + 10px));
    -moz-transform: translate(calc(100% + 10px), calc(100% + 10px));
    -ms-transform: translate(calc(100% + 10px), calc(100% + 10px));
    transform: translate(calc(100% + 10px), calc(100% + 10px));
}
.tile.tile-position-2-3 {
    -webkit-transform: translate(calc(100% + 10px), calc(200% + 20px));
    -moz-transform: translate(calc(100% + 10px), calc(200% + 20px));
    -ms-transform: translate(calc(100% + 10px), calc(200% + 20px));
    transform: translate(calc(100% + 10px), calc(200% + 20px));
}
.tile.tile-position-2-4 {
    -webkit-transform: translate(calc(100% + 10px), calc(300% + 30px));
    -moz-transform: translate(calc(100% + 10px), calc(300% + 30px));
    -ms-transform: translate(calc(100% + 10px), calc(300% + 30px));
    transform: translate(calc(100% + 10px), calc(300% + 30px));
}
.tile.tile-position-3-1 {
    -webkit-transform: translate(calc(200% + 20px), 0px);
    -moz-transform: translate(calc(200% + 20px), 0px);
    -ms-transform: translate(calc(200% + 20px), 0px);
    transform: translate(calc(200% + 20px), 0px);
}
.tile.tile-position-3-2 {
    -webkit-transform: translate(calc(200% + 20px), calc(100% + 10px));
    -moz-transform: translate(calc(200% + 20px), calc(100% + 10px));
    -ms-transform: translate(calc(200% + 20px), calc(100% + 10px));
    transform: translate(calc(200% + 20px), calc(100% + 10px));
}
.tile.tile-position-3-3 {
    -webkit-transform: translate(calc(200% + 20px), calc(200% + 20px));
    -moz-transform: translate(calc(200% + 20px), calc(200% + 20px));
    -ms-transform: translate(calc(200% + 20px), calc(200% + 20px));
    transform: translate(calc(200% + 20px), calc(200% + 20px));
}
.tile.tile-position-3-4 {
    -webkit-transform: translate(calc(200% + 20px), calc(300% + 30px));
    -moz-transform: translate(calc(200% + 20px), calc(300% + 30px));
    -ms-transform: translate(calc(200% + 20px), calc(300% + 30px));
    transform: translate(calc(200% + 20px), calc(300% + 30px));
}
.tile.tile-position-4-1 {
    -webkit-transform: translate(calc(300% + 30px), 0px);
    -moz-transform: translate(calc(300% + 30px), 0px);
    -ms-transform: translate(calc(300% + 30px), 0px);
    transform: translate(calc(300% + 30px), 0px);
}
.tile.tile-position-4-2 {
    -webkit-transform: translate(calc(300% + 30px), calc(100% + 10px));
    -moz-transform: translate(calc(300% + 30px), calc(100% + 10px));
    -ms-transform: translate(calc(300% + 30px), calc(100% + 10px));
    transform: translate(calc(300% + 30px), calc(100% + 10px));
}
.tile.tile-position-4-3 {
    -webkit-transform: translate(calc(300% + 30px), calc(200% + 20px));
    -moz-transform: translate(calc(300% + 30px), calc(200% + 20px));
    -ms-transform: translate(calc(300% + 30px), calc(200% + 20px));
    transform: translate(calc(300% + 30px), calc(200% + 20px));
}
.tile.tile-position-4-4 {
    -webkit-transform: translate(calc(300% + 30px), calc(300% + 30px));
    -moz-transform: translate(calc(300% + 30px), calc(300% + 30px));
    -ms-transform: translate(calc(300% + 30px), calc(300% + 30px));
    transform: translate(calc(300% + 30px), calc(300% + 30px));
}

.tile {
    position: absolute;
    -webkit-transition: 100ms ease-in-out;
    -moz-transition: 100ms ease-in-out;
    transition: 100ms ease-in-out;
    -webkit-transition-property: -webkit-transform;
    -moz-transition-property: -moz-transform;
    transition-property: transform;
}

.tile .tile-inner {
    border-radius: 3px;
    background: #eee4da;
    text-align: center;
    font-weight: bold;
    z-index: 10;
    font-size: 55px;
}

.tile.tile-2 .tile-inner {
    background: #eee4da;
    box-shadow: 0 0 30px 10px rgba(243, 215, 116, 0), inset 0 0 0 1px rgba(255, 255, 255, 0);
}

.tile.tile-4 .tile-inner {
    background: #ede0c8;
    box-shadow: 0 0 30px 10px rgba(243, 215, 116, 0), inset 0 0 0 1px rgba(255, 255, 255, 0);
}

.tile.tile-8 .tile-inner {
    color: #f9f6f2;
    background: #f2b179;
}

.tile.tile-16 .tile-inner {
    color: #f9f6f2;
    background: #f59563;
}

.tile.tile-32 .tile-inner {
    color: #f9f6f2;
    background: #f67c5f;
}

.tile.tile-64 .tile-inner {
    color: #f9f6f2;
    background: #f65e3b;
}

.tile.tile-128 .tile-inner {
    color: #f9f6f2;
    background: #edcf72;
    box-shadow: 0 0 30px 10px rgba(243, 215, 116, 0.2381), inset 0 0 0 1px rgba(255, 255, 255, 0.14286);
    font-size: 45px;
}

.tile.tile-256 .tile-inner {
    color: #f9f6f2;
    background: #edcc61;
    box-shadow: 0 0 30px 10px rgba(243, 215, 116, 0.31746), inset 0 0 0 1px rgba(255, 255, 255, 0.19048);
    font-size: 45px;
}

.tile.tile-512 .tile-inner {
    color: #f9f6f2;
    background: #edc850;
    box-shadow: 0 0 30px 10px rgba(243, 215, 116, 0.39683), inset 0 0 0 1px rgba(255, 255, 255, 0.2381);
    font-size: 45px;
}

.tile.tile-1024 .tile-inner {
    color: #f9f6f2;
    background: #edc53f;
    box-shadow: 0 0 30px 10px rgba(243, 215, 116, 0.47619), inset 0 0 0 1px rgba(255, 255, 255, 0.28571);
    font-size: 35px;
}

.tile.tile-2048 .tile-inner {
    color: #f9f6f2;
    background: #edc22e;
    box-shadow: 0 0 30px 10px rgba(243, 215, 116, 0.55556), inset 0 0 0 1px rgba(255, 255, 255, 0.33333);
    font-size: 35px;
}

.tile.tile-4096 .tile-inner {
    color: #f9f6f2;
    background: #3cba54; 
    box-shadow: 0 0 30px 10px rgba(60, 186, 84, 0.6), inset 0 0 0 1px rgba(255, 255, 255, 0.4);
    font-size: 35px;
}

.tile.tile-2 .tile-inner    { background: #eee4da; color: #776e65; }
.tile.tile-4 .tile-inner    { background: #ede0c8; color: #776e65; }
.tile.tile-8 .tile-inner    { background: #f2b179; color: #f9f6f2; }
.tile.tile-16 .tile-inner   { background: #f59563; color: #f9f6f2; }
.tile.tile-32 .tile-inner   { background: #f67c5f; color: #f9f6f2; }
.tile.tile-64 .tile-inner   { background: #f65e3b; color: #f9f6f2; }

.tile.tile-128 .tile-inner  { background: #edcf72; color: #f9f6f2; font-size: 45px; }
.tile.tile-256 .tile-inner  { background: #edcc61; color: #f9f6f2; font-size: 45px; }
.tile.tile-512 .tile-inner  { background: #edc850; color: #f9f6f2; font-size: 45px; }

.tile.tile-1024 .tile-inner { background: #edc53f; color: #f9f6f2; font-size: 35px; }
.tile.tile-2048 .tile-inner { background: #edc22e; color: #f9f6f2; font-size: 35px; }

/* More colorful beyond 2048 */
.tile.tile-4096 .tile-inner  { background: #3cba54; color: #f9f6f2; font-size: 30px; } 

.tile.tile-super .tile-inner {
    color: #f9f6f2;
    background: #3c3a32;
    font-size: 30px;
}


@media screen and (max-width: 520px) {
    .tile.tile-128 .tile-inner {
        font-size: 25px;
    }
    
    .tile.tile-256 .tile-inner {
        font-size: 25px;
    }
    
    .tile.tile-512 .tile-inner {
        font-size: 25px;
    }
    
    .tile.tile-1024 .tile-inner {
        font-size: 15px;
    }
    
    .tile.tile-2048 .tile-inner {
        font-size: 15px;
    }
    
    .tile.tile-super .tile-inner {
        font-size: 10px;
    }
}

@-webkit-keyframes appear {
    0% {
        opacity: 0;
        -webkit-transform: scale(0);
        -moz-transform: scale(0);
        -ms-transform: scale(0);
        transform: scale(0);
    }
    100% {
        opacity: 1;
        -webkit-transform: scale(1);
        -moz-transform: scale(1);
        -ms-transform: scale(1);
        transform: scale(1);
    }
}

@-moz-keyframes appear {
    0% {
        opacity: 0;
        -webkit-transform: scale(0);
        -moz-transform: scale(0);
        -ms-transform: scale(0);
        transform: scale(0);
    }
    100% {
        opacity: 1;
        -webkit-transform: scale(1);
        -moz-transform: scale(1);
        -ms-transform: scale(1);
        transform: scale(1);
    }
}

@keyframes appear {
    0% {
        opacity: 0;
        -webkit-transform: scale(0);
        -moz-transform: scale(0);
        -ms-transform: scale(0);
        transform: scale(0);
    }
    100% {
        opacity: 1;
        -webkit-transform: scale(1);
        -moz-transform: scale(1);
        -ms-transform: scale(1);
        transform: scale(1);
    }
}

.tile-new .tile-inner {
    -webkit-animation: appear 200ms ease 100ms;
    -moz-animation: appear 200ms ease 100ms;
    animation: appear 200ms ease 100ms;
    -webkit-animation-fill-mode: backwards;
    -moz-animation-fill-mode: backwards;
    animation-fill-mode: backwards;
}

@-webkit-keyframes pop {
    0% {
        -webkit-transform: scale(0);
        -moz-transform: scale(0);
        -ms-transform: scale(0);
        transform: scale(0);
    }
    50% {
        -webkit-transform: scale(1.2);
        -moz-transform: scale(1.2);
        -ms-transform: scale(1.2);
        transform: scale(1.2);
    }
    100% {
        -webkit-transform: scale(1);
        -moz-transform: scale(1);
        -ms-transform: scale(1);
        transform: scale(1);
    }
}

@-moz-keyframes pop {
    0% {
        -webkit-transform: scale(0);
        -moz-transform: scale(0);
        -ms-transform: scale(0);
        transform: scale(0);
    }
    50% {
        -webkit-transform: scale(1.2);
        -moz-transform: scale(1.2);
        -ms-transform: scale(1.2);
        transform: scale(1.2);
    }
    100% {
        -webkit-transform: scale(1);
        -moz-transform: scale(1);
        -ms-transform: scale(1);
        transform: scale(1);
    }
}

@keyframes pop {
    0% {
        -webkit-transform: scale(0);
        -moz-transform: scale(0);
        -ms-transform: scale(0);
        transform: scale(0);
    }
    50% {
        -webkit-transform: scale(1.2);
        -moz-transform: scale(1.2);
        -ms-transform: scale(1.2);
        transform: scale(1.2);
    }
    100% {
        -webkit-transform: scale(1);
        -moz-transform: scale(1);
        -ms-transform: scale(1);
        transform: scale(1);
    }
}

.tile-merged .tile-inner {
    z-index: 20;
    -webkit-animation: pop 200ms ease 100ms;
    -moz-animation: pop 200ms ease 100ms;
    animation: pop 200ms ease 100ms;
    -webkit-animation-fill-mode: backwards;
    -moz-animation-fill-mode: backwards;
    animation-fill-mode: backwards;
}

.above-game:after {
    content: "";
    display: block;
    clear: both;
}

.game-intro {
    float: left;
    line-height: 42px;
    margin-bottom: 0;
}

.restart-button {
    display: inline-block;
    background: #8f7a66;
    border-radius: 3px;
    padding: 0 20px;
    text-decoration: none;
    color: #f9f6f2;
    height: 40px;
    line-height: 42px;
    display: block;
    text-align: center;
    float: right;
}

.game-explanation {
    margin-top: 50px;
}
@media screen and (max-width: 520px) {
    html,
    body {
        font-size: 15px;
    }
    body {
        margin: 30px 0;
        padding: 0 20px;
    }
    h1.title {
        font-size: 27px;
        margin-top: 15px;
    }
    .container {
        width: 100%;
        margin: 0 auto;
    }
    .score-container,
    .best-container {
        margin-top: 0;
        padding: 15px 10px;
        min-width: 40px;
    }
    .heading {
        margin-bottom: 10px;
    }
    .game-intro {
        width: 55%;
        display: block;
        box-sizing: border-box;
        line-height: 1.65;
    }
    .restart-button {
        width: 42%;
        padding: 0;
        box-sizing: border-box;
        margin-top: 2px;
    }
    .game-container {
        margin-top: 17px;
    }
    .game-container .game-message a.keep-playing-button {
        display: none;
    }
    .tile .tile-inner {
        font-size: 35px;
    }
    .game-message p {
        font-size: 30px !important;
        height: 30px !important;
        line-height: 30px !important;
        margin-top: 90px !important;
    }
    .game-message .lower {
        margin-top: 30px !important;
    }
    .side-ad {
        display: none;
    }
    .game-container-wrapper {
        width: 100%; /* make game full width on mobile */
    }
}

.seo-content {
    text-align: left;
    margin: 30px 0;
    padding: 20px;
    background: #f0e6dd;
    border-radius: 6px;
}

.seo-content h2 {
    color: var(--primary-color);
    margin-bottom: 15px;
}

.seo-content p {
    margin-bottom: 15px;
}

footer {
    margin-top: 30px;
    color: var(--text-color);
    font-size: 14px;
    padding: 20px;
    border-top: 1px solid #ddd;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 10px;
}

.footer-links a {
    color: var(--primary-color);
    text-decoration: none;
}

.footer-links a:hover {
    text-decoration: underline;
}