/* vietnamese */
@font-face {
    font-family: 'Lexend Deca';
    font-style: normal;
    font-weight: 400;
    font-display: swap;
    src: url(https://fonts.gstatic.com/s/lexenddeca/v21/K2FifZFYk-dHSE0UPPuwQ7CrD94i-NCKm-U48M1wpBnDmLM.woff2) format('woff2');
    unicode-range: U+0102-0103, U+0110-0111, U+0128-0129, U+0168-0169, U+01A0-01A1, U+01AF-01B0, U+1EA0-1EF9, U+20AB;
}
/* latin-ext */
@font-face {
    font-family: 'Lexend Deca';
    font-style: normal;
    font-weight: 400;
    font-display: swap;
    src: url(https://fonts.gstatic.com/s/lexenddeca/v21/K2FifZFYk-dHSE0UPPuwQ7CrD94i-NCKm-U48M1wpRnDmLM.woff2) format('woff2');
    unicode-range: U+0100-02AF, U+1E00-1EFF, U+2020, U+20A0-20AB, U+20AD-20CF, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
/* latin */
@font-face {
    font-family: 'Lexend Deca';
    font-style: normal;
    font-weight: 400;
    font-display: swap;
    src: url(https://fonts.gstatic.com/s/lexenddeca/v21/K2FifZFYk-dHSE0UPPuwQ7CrD94i-NCKm-U48M1wqxnD.woff2) format('woff2');
    unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}



/* Recommended styles for Splitting */
.splitting .word,
.splitting .char {
    display: inline-block;
}

/* Psuedo-element chars */
.splitting .char {
    position: relative;
}

/**
 * Populate the psuedo elements with the character to allow for expanded effects
 * Set to `display: none` by default; just add `display: block` when you want
 * to use the psuedo elements
 */
.splitting .char::before,
.splitting .char::after {
    content: attr(data-char);
    position: absolute;
    top: 0;
    left: 0;
    visibility: hidden;
    transition: inherit;
    user-select: none;
}

/* Expanded CSS Variables */

.splitting {
    /* The center word index */
    --word-center: calc((var(--word-total) - 1) / 2);

    /* The center character index */
    --char-center: calc((var(--char-total) - 1) / 2);

    /* The center character index */
    --line-center: calc((var(--line-total) - 1) / 2);
}

.splitting .word {
    /* Pecent (0-1) of the word's position */
    --word-percent: calc(var(--word-index) / var(--word-total));

    /* Pecent (0-1) of the line's position */
    --line-percent: calc(var(--line-index) / var(--line-total));
}

.splitting .char {
    /* Percent (0-1) of the char's position */
    --char-percent: calc(var(--char-index) / var(--char-total));

    /* Offset from center, positive & negative */
    --char-offset: calc(var(--char-index) - var(--char-center));

    /* Absolute distance from center, only positive */
    --distance: calc(
            (var(--char-offset) * var(--char-offset)) / var(--char-center)
    );

    /* Distance from center where -1 is the far left, 0 is center, 1 is far right */
    --distance-sine: calc(var(--char-offset) / var(--char-center));

    /* Distance from center where 1 is far left/far right, 0 is center */
    --distance-percent: calc((var(--distance) / var(--char-center)));
}


$colors: #f9ca24, #3498db, #ff7979, #1abc9c, #e74c3c, #f8c291;

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

html, body {
    height: 100%;
}

.container {

    overflow-y: scroll;
    position: relative;
    scroll-snap-type: y mandatory;
    -webkit-overflow-scrolling: touch;
}

.headline {
    align-items: center;
    background-color: var(--color);
    display: flex;
    font-family: 'Lexend Deca', sans-serif;
    font-weight: 700;
    font-size: calc(1rem + 15vmin);
    height: 100vh;
    justify-content: center;
    overflow: hidden;
    perspective: 1000px;
    scroll-snap-align: start;
    width: 100vw;

@for $i from 1 through length($colors) {
&:nth-child(#{$i}) {
    --color: #{nth($colors, $i)};
}
}
}

.word,
.char {
    animation-delay: var(--del);
    animation-direction: var(--dir, normal);
    animation-duration: var(--dur);
    animation-iteration-count: infinite;
    animation-name: var(--name);
    animation-timing-function: var(--tf);
    display: inline-block;
    position: relative;
    transform-origin: 50% 100%;
    z-index: 1;
}


// =========================
// Headline animations
// =========================

.headline--fall {
.char {
    --name: fall;
    --dur: 600ms;
    --del: calc(var(--char-index) * -0.05s);
    --tf: cubic-bezier(0.165, 0.44, 0.64, 1);
}

@keyframes fall {
    0% {
        transform: rotateY(-25deg);
    }
    25% {
        transform: translateY(2%) rotateY(25deg);
    }
    50% {
        transform: rotateY(-25deg);
    }
    75% {
        transform: translateY(4%) rotateY(25deg);
    }
    100% {
        transform: rotateY(-25deg);
    }
}
}

.headline--flip {
.char {
    --name: flip;
    --dur: 4000ms;
    --del: calc(var(--char-index) * 0.075s);
    --tf: linear;
}

@keyframes flip {
    5% {
        transform: rotateX(1turn);
    }
    10% {
        transform: rotateX(2turn);
    }
    20% {
        transform: rotateX(3turn);
    }
    40% {
        transform: rotateX(4turn);
    }
    70%, 100% {
        transform: rotateX(5turn);
    }
}
}

.headline--float {
.char {
    --name: float;
    --dur: 2200ms;
    --del: calc(var(--char-index) * -0.5s);
    --tf: ease-in-out;
    --dir: alternate;

&:nth-child(2n) {
     --name: float-alt;
 }
}

@keyframes float {
    from {
        transform: translate(2%, -10%) rotate(-1deg);
    }
    to {
        transform: translate(-2%, 5%) rotate(3deg);
    }
}

@keyframes float-alt {
    from {
        transform: translate(0%, -5%) rotate(-1deg);
    }
    to {
        transform: translate(2%, 10%) rotate(3deg);
    }
}
}

.headline--jog {
.char {
    --name: jog;
    --dur: 500ms;
    --del: calc(var(--char-index) * -0.025s);
    --tf: linear;
}

@keyframes jog {
    0% {
        transform: translate(0, 0) rotate(5deg);
    }
    25% {
        transform: translate(5%, -5%) rotate(10deg);
    }
    50% {
        transform: translate(5%, 0) rotate(15deg);
    }
    75% {
        transform: translate(10%, -5%) rotate(10deg);
    }
    100% {
        transform: translate(0, 0) rotate(5deg);
    }
}
}

.headline--jump {
.char {
    --name: jump;
    --dur: 800ms;
    --del: calc(var(--char-index) * 0.075s);
    --tf: cubic-bezier(0.165, 0.44, 0.64, 1);
}

@keyframes jump {
    20% {
        transform: translateY(2%) scaleY(0.9);
    }
    40% {
        transform: translateY(-100%) scaleY(1.2);
    }
    50% {
        transform: translateY(10%) scaleY(0.8);
    }
    70% {
        transform: translateY(-5%) scaleY(1);
    }
    80%, 100% {
        transform: translateY(0) scaleY(1);
    }
}
}

.headline--twirl {
.char {
    --name: twirl;
    --dur: 6000ms;
    --del: calc(var(--char-index) * 0.025s);
    --tf: linear;
}

@keyframes twirl {
    2.5% {
        transform: rotateY(1turn);
    }
    5% {
        transform: rotateY(2turn);
    }
    10% {
        transform: rotateY(3turn);
    }
    20% {
        transform: rotateY(4turn);
    }
    40% {
        transform: rotateY(5turn);
    }
    70%, 100% {
        transform: rotateY(6turn);
    }
}
}


.headline:nth-child(1) {
    --color: #e74c3c;
}
.headline:nth-child(2) {
    --color: #f5f6fa;
}
.headline:nth-child(3) {
    --color: #48dbfb;
}
.headline:nth-child(4) {
    --color: #9980FA;
}
.headline:nth-child(5) {
    --color: #F79F1F;
}
.headline:nth-child(6) {
    --color: #f8c291;
}

.headline--fade .char {
    --name: fade;
    --dur: 2s;
    --del: calc(var(--distance-percent) * 0.15s);
    --td: ease-in-out;
    -webkit-transform-origin: 0 100%;
    transform-origin: 0 100%;
}
@-webkit-keyframes fade {
    50% {
        opacity: 0;
    }
}
@keyframes fade {
    50% {
        opacity: 0;
    }
}
.headline--ghost .char {
    --name: rise;
    --dur: 3s;
    --del: calc(var(--distance-percent) * 0.125s);
    --tf: cubic-bezier(0.25, 0.46, 0.45, 0.94);
    -webkit-transform-origin: 50% 100%;
    transform-origin: 50% 100%;
}
.headline--ghost .char:after {
    -webkit-animation: ghost var(--dur) ease-in var(--del) infinite;
    animation: ghost var(--dur) ease-in var(--del) infinite;
    content: attr(data-char);
    opacity: 0;
    -webkit-transform-origin: 100% 50%;
    transform-origin: 100% 50%;
    visibility: visible;
}
@-webkit-keyframes rise {
    40% {
        -webkit-transform: translateY(-40%) rotate(calc(var(--distance-sine) * 10deg));
        transform: translateY(-40%) rotate(calc(var(--distance-sine) * 10deg));
    }
    50% {
        -webkit-transform: translateY(6%);
        transform: translateY(6%);
    }
    55% {
        -webkit-transform: translateY(-4%);
        transform: translateY(-4%);
    }
    60% {
        -webkit-transform: translateY(2%);
        transform: translateY(2%);
    }
    65% {
        -webkit-transform: translateY(-1%);
        transform: translateY(-1%);
    }
    70% {
        -webkit-transform: translateY(0%);
        transform: translateY(0%);
    }
}
@keyframes rise {
    40% {
        -webkit-transform: translateY(-40%) rotate(calc(var(--distance-sine) * 10deg));
        transform: translateY(-40%) rotate(calc(var(--distance-sine) * 10deg));
    }
    50% {
        -webkit-transform: translateY(6%);
        transform: translateY(6%);
    }
    55% {
        -webkit-transform: translateY(-4%);
        transform: translateY(-4%);
    }
    60% {
        -webkit-transform: translateY(2%);
        transform: translateY(2%);
    }
    65% {
        -webkit-transform: translateY(-1%);
        transform: translateY(-1%);
    }
    70% {
        -webkit-transform: translateY(0%);
        transform: translateY(0%);
    }
}
@-webkit-keyframes ghost {
    8% {
        opacity: 0;
        -webkit-transform: translateY(0);
        transform: translateY(0);
    }
    40% {
        opacity: 0.25;
        -webkit-transform: translateY(-30%) rotate(calc(var(--distance-sine) * -10deg));
        transform: translateY(-30%) rotate(calc(var(--distance-sine) * -10deg));
    }
    60%, 100% {
        opacity: 0;
        -webkit-transform: translateY(-200%);
        transform: translateY(-200%);
    }
}
@keyframes ghost {
    8% {
        opacity: 0;
        -webkit-transform: translateY(0);
        transform: translateY(0);
    }
    40% {
        opacity: 0.25;
        -webkit-transform: translateY(-30%) rotate(calc(var(--distance-sine) * -10deg));
        transform: translateY(-30%) rotate(calc(var(--distance-sine) * -10deg));
    }
    60%, 100% {
        opacity: 0;
        -webkit-transform: translateY(-200%);
        transform: translateY(-200%);
    }
}
.headline--rock .char {
    --name: rock;
    --dur: 2s;
    --td: ease-in-out;
    -webkit-transform-origin: 0 100%;
    transform-origin: 0 100%;
}
@-webkit-keyframes rock {
    0%, 100% {
        -webkit-transform: rotate(-10deg);
        transform: rotate(-10deg);
    }
    50% {
        -webkit-transform: rotate(-18deg);
        transform: rotate(-18deg);
    }
}
@keyframes rock {
    0%, 100% {
        -webkit-transform: rotate(-10deg);
        transform: rotate(-10deg);
    }
    50% {
        -webkit-transform: rotate(-18deg);
        transform: rotate(-18deg);
    }
}
.headline--sail .word {
    --dur: 5s;
}
.headline--sail .word:before, .headline--sail .word:after {
    -webkit-animation: wave var(--dur) linear infinite;
    animation: wave var(--dur) linear infinite;
    background-image: radial-gradient(circle at 20px -30px, transparent 40px, var(--color) 41px);
    background-repeat: repeat-x;
    background-size: 40px 100%;
    content: '';
    height: 150%;
    left: 0;
    position: absolute;
    top: 90%;
    width: 200%;
    z-index: 2;
}
.headline--sail .word:after {
    -webkit-animation-duration: calc(var(--dur) * 1.4);
    animation-duration: calc(var(--dur) * 1.4);
    opacity: 0.8;
    top: 70%;
}
.headline--sail .char {
    --name: sail;
    --del: calc(var(--char-index) * -0.15s);
    --tf: linear;
}
@-webkit-keyframes sail {
    25% {
        -webkit-transform: rotate(-1deg) translateY(2%);
        transform: rotate(-1deg) translateY(2%);
    }
    50% {
        -webkit-transform: rotate(0) translateY(0);
        transform: rotate(0) translateY(0);
    }
    75% {
        -webkit-transform: rotate(1deg) translateY(1%);
        transform: rotate(1deg) translateY(1%);
    }
}
@keyframes sail {
    25% {
        -webkit-transform: rotate(-1deg) translateY(2%);
        transform: rotate(-1deg) translateY(2%);
    }
    50% {
        -webkit-transform: rotate(0) translateY(0);
        transform: rotate(0) translateY(0);
    }
    75% {
        -webkit-transform: rotate(1deg) translateY(1%);
        transform: rotate(1deg) translateY(1%);
    }
}
@-webkit-keyframes wave {
    to {
        -webkit-transform: translateX(-200px);
        transform: translateX(-200px);
    }
}
@keyframes wave {
    to {
        -webkit-transform: translateX(-200px);
        transform: translateX(-200px);
    }
}
.headline--shiver .word {
    --name: shiver;
    --dur: 3s;
    --td: linear;
}
.headline--shiver .char {
    --name: shiver-letter;
    --del: calc(var(--char-index) * -0.0125s);
    --dur: 140ms;
    --td: linear;
}
@-webkit-keyframes shiver {
    1% {
        -webkit-transform: translateX(2%);
        transform: translateX(2%);
    }
    2% {
        -webkit-transform: translateX(-2%);
        transform: translateX(-2%);
    }
    3% {
        -webkit-transform: translateX(3%);
        transform: translateX(3%);
    }
    4% {
        -webkit-transform: translateX(-3%);
        transform: translateX(-3%);
    }
    5% {
        -webkit-transform: translateX(4%);
        transform: translateX(4%);
    }
    6% {
        -webkit-transform: translateX(-4%);
        transform: translateX(-4%);
    }
    7% {
        -webkit-transform: translateX(3%);
        transform: translateX(3%);
    }
    8% {
        -webkit-transform: translateX(-3%);
        transform: translateX(-3%);
    }
    9% {
        -webkit-transform: translateX(2%);
        transform: translateX(2%);
    }
    10% {
        -webkit-transform: translateX(-2%);
        transform: translateX(-2%);
    }
    11% {
        -webkit-transform: translateX(1%);
        transform: translateX(1%);
    }
    12% {
        -webkit-transform: translateX(0%);
        transform: translateX(0%);
    }
}
@keyframes shiver {
    1% {
        -webkit-transform: translateX(2%);
        transform: translateX(2%);
    }
    2% {
        -webkit-transform: translateX(-2%);
        transform: translateX(-2%);
    }
    3% {
        -webkit-transform: translateX(3%);
        transform: translateX(3%);
    }
    4% {
        -webkit-transform: translateX(-3%);
        transform: translateX(-3%);
    }
    5% {
        -webkit-transform: translateX(4%);
        transform: translateX(4%);
    }
    6% {
        -webkit-transform: translateX(-4%);
        transform: translateX(-4%);
    }
    7% {
        -webkit-transform: translateX(3%);
        transform: translateX(3%);
    }
    8% {
        -webkit-transform: translateX(-3%);
        transform: translateX(-3%);
    }
    9% {
        -webkit-transform: translateX(2%);
        transform: translateX(2%);
    }
    10% {
        -webkit-transform: translateX(-2%);
        transform: translateX(-2%);
    }
    11% {
        -webkit-transform: translateX(1%);
        transform: translateX(1%);
    }
    12% {
        -webkit-transform: translateX(0%);
        transform: translateX(0%);
    }
}
@-webkit-keyframes shiver-letter {
    25% {
        -webkit-transform: translateY(1%);
        transform: translateY(1%);
    }
    50% {
        -webkit-transform: translate(calc(var(--distance-percent) * 1%), calc(var(--distance-percent) * 1%));
        transform: translate(calc(var(--distance-percent) * 1%), calc(var(--distance-percent) * 1%));
    }
    75% {
        -webkit-transform: translateY(1%);
        transform: translateY(1%);
    }
}
@keyframes shiver-letter {
    25% {
        -webkit-transform: translateY(1%);
        transform: translateY(1%);
    }
    50% {
        -webkit-transform: translate(calc(var(--distance-percent) * 1%), calc(var(--distance-percent) * 1%));
        transform: translate(calc(var(--distance-percent) * 1%), calc(var(--distance-percent) * 1%));
    }
    75% {
        -webkit-transform: translateY(1%);
        transform: translateY(1%);
    }
}
.headline--yell .char {
    --name: yell;
    --dur: 3s;
    --tf: ease;
    -webkit-transform-origin: 50% 100%;
    transform-origin: 50% 100%;
}
@-webkit-keyframes yell {
    3% {
        -webkit-transform: scale(calc(1 * var(--distance-percent) + 1.5)) rotate(calc(15deg * var(--distance-sine))) translateY(-10%);
        transform: scale(calc(1 * var(--distance-percent) + 1.5)) rotate(calc(15deg * var(--distance-sine))) translateY(-10%);
    }
    6% {
        -webkit-transform: scale(calc(1 * var(--distance-percent) + 1.2)) rotate(calc(15deg * var(--distance-sine))) translateY(-10%);
        transform: scale(calc(1 * var(--distance-percent) + 1.2)) rotate(calc(15deg * var(--distance-sine))) translateY(-10%);
    }
    12% {
        -webkit-transform: scale(calc(1 * var(--distance-percent) + 1.5)) rotate(calc(15deg * var(--distance-sine))) translateY(-10%);
        transform: scale(calc(1 * var(--distance-percent) + 1.5)) rotate(calc(15deg * var(--distance-sine))) translateY(-10%);
    }
    18% {
        -webkit-transform: scaleY(1) translateY(-2%);
        transform: scaleY(1) translateY(-2%);
    }
    25% {
        -webkit-transform: scaleY(0.98);
        transform: scaleY(0.98);
    }
    50% {
        -webkit-transform: scaleY(1);
        transform: scaleY(1);
    }
    75% {
        -webkit-transform: scale(0.98);
        transform: scale(0.98);
    }
}
@keyframes yell {
    3% {
        -webkit-transform: scale(calc(1 * var(--distance-percent) + 1.5)) rotate(calc(15deg * var(--distance-sine))) translateY(-10%);
        transform: scale(calc(1 * var(--distance-percent) + 1.5)) rotate(calc(15deg * var(--distance-sine))) translateY(-10%);
    }
    6% {
        -webkit-transform: scale(calc(1 * var(--distance-percent) + 1.2)) rotate(calc(15deg * var(--distance-sine))) translateY(-10%);
        transform: scale(calc(1 * var(--distance-percent) + 1.2)) rotate(calc(15deg * var(--distance-sine))) translateY(-10%);
    }
    12% {
        -webkit-transform: scale(calc(1 * var(--distance-percent) + 1.5)) rotate(calc(15deg * var(--distance-sine))) translateY(-10%);
        transform: scale(calc(1 * var(--distance-percent) + 1.5)) rotate(calc(15deg * var(--distance-sine))) translateY(-10%);
    }
    18% {
        -webkit-transform: scaleY(1) translateY(-2%);
        transform: scaleY(1) translateY(-2%);
    }
    25% {
        -webkit-transform: scaleY(0.98);
        transform: scaleY(0.98);
    }
    50% {
        -webkit-transform: scaleY(1);
        transform: scaleY(1);
    }
    75% {
        -webkit-transform: scale(0.98);
        transform: scale(0.98);
    }
}