#body-wrapper{
    margin-top: -1.2em;
    background: linear-gradient(
            rgba(108, 212, 255, 0.3),
            rgba(255, 166, 250, 0.9)
    ), url("") center;
    font-size: 1.3em;
    //background-repeat: no-repeat;
    background-size: cover;
}
.section{
    //margin-top: 1rem;
    padding: 8px;
    color: #000;
}

.section .title{
    background: #fff;
    text-align: center;
    padding: 12px 0;
    border: 1px solid #000;
    border-radius: 4px;
    font-family: 'Monda', sans-serif;

    box-shadow: 0 1px 3px rgba(0,0,0,0.12), 0 1px 2px rgba(0,0,0,0.24);
}
.section .title:first-child{
    margin-top: 0.1em;
}
.section .content{
    border: 1px solid #fff;
    border-radius: 16px;
    margin-top: 6px;
    //padding-top: 0.5em;
    padding: 2rem 5px;
    background: linear-gradient(rgba(255, 255, 255, 0.5), rgba(255, 255, 255, 0.8)), url("https://ai-tips-blog.s3-accelerate.amazonaws.com/2025/04/free-vector-bg.jpg") center;
}



/* main pitch */
.main-pitch {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    margin: 10px auto;
    max-width: 100%;
    position: relative;
    overflow: hidden;
}

.main-pitch::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #ff6b6b, #4ecdc4, #45b7d1, #96ceb4);
}

.infographic-container {
    padding: 25px 20px;
}

.hero-text {
    text-align: center;
    margin-bottom: 30px;
    padding: 20px;
    background: linear-gradient(135deg, #ff6b6b, #ee5a52);
    color: white;
    border-radius: 15px;
    position: relative;
    transform: translateY(0);
    animation: fadeInUp 0.8s ease-out;
}

.hero-text h1 {
    font-size: 18px;
    font-weight: bold;
    line-height: 1.4;
    margin: 0;
}

.problems-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 15px;
    margin: 25px 0;
}

.problem-card {
    background: white;
    padding: 18px;
    border-radius: 12px;
    border-left: 4px solid #ff6b6b;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    transform: translateX(-10px);
    opacity: 0;
    animation: slideInLeft 0.6s ease-out forwards;
    position: relative;
}

.problem-card:nth-child(1) { animation-delay: 0.2s; border-left-color: #ff6b6b; }
.problem-card:nth-child(2) { animation-delay: 0.4s; border-left-color: #4ecdc4; }
.problem-card:nth-child(3) { animation-delay: 0.6s; border-left-color: #45b7d1; }
.problem-card:nth-child(4) { animation-delay: 0.8s; border-left-color: #96ceb4; }

.problem-card::before {
    content: '❓';
    position: absolute;
    right: 15px;
    top: 15px;
    font-size: 20px;
    opacity: 0.3;
}

.problem-card p {
    font-size: 15px;
    color: #333;
    margin: 0;
    font-weight: 500;
}

.solution-section {
    background: linear-gradient(135deg, #4ecdc4, #44a08d);
    color: white;
    padding: 25px;
    border-radius: 15px;
    margin-top: 25px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.solution-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: repeating-conic-gradient(from 0deg, transparent 0deg 2deg, rgba(255,255,255,0.03) 2deg 4deg);
    animation: rotate 20s linear infinite;
}

.solution-content {
    position: relative;
    z-index: 2;
}

.solution-section p {
    font-size: 16px;
    line-height: 1.5;
    margin-bottom: 15px;
}

.highlight {
    background: rgba(5, 5, 5, 0.2);
    padding: 2px 8px;
    border-radius: 6px;
    font-weight: bold;
}

.search-icon {
    font-size: 24px;
    margin-bottom: 10px;
    display: block;
}

.final-solution {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    padding: 20px;
    border-radius: 12px;
    margin-top: 20px;
    text-align: center;
    font-weight: bold;
    font-size: 16px;
    box-shadow: 0 10px 25px rgba(102, 126, 234, 0.3);
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInLeft {
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* Tablet styles */
@media (min-width: 768px) {
    .section {
        padding: 30px 20px;
    }

    .main-pitch {
        max-width: 700px;
    }

    .infographic-container {
        padding: 35px 30px;
    }

    .hero-text h1 {
        font-size: 20px;
    }

    .problems-grid {
        grid-template-columns: 1fr 1fr;
        gap: 20px;
    }

    .problem-card {
        padding: 20px;
    }

    .problem-card p {
        font-size: 16px;
    }
}

/* Desktop styles */
@media (min-width: 1024px) {
    .section {
        padding: 40px 30px;
    }

    .main-pitch {
        max-width: 900px;
    }

    .infographic-container {
        padding: 45px 40px;
    }

    .hero-text h1 {
        font-size: 22px;
    }

    .problems-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 25px;
    }

    .solution-section p {
        font-size: 18px;
    }
}

/* Large desktop */
@media (min-width: 1200px) {
    .main-pitch {
        max-width: 1000px;
    }

    .problems-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}
/* main pitch */


#common .title{

    color: #000;
}
#commonStat img{
    width: 80%;
    height: 80%;
}
#commonStat img{
    max-height: 50vh;
    max-width: 70vh;
}
img.icon{
    width: 15px;
    height: 15px;
}
img.trophy{
    width: 50px;
    height: 50px;
}


.responsive-video-portrait {
    position: relative;
    padding-bottom: 177.78%; /* 16 / 9 * 100 = 177.78% */
    height: 0;
    overflow: hidden;
    max-width: 100%;
}

.responsive-video-portrait iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 0;
}



#remembering .title{
    color: #0000d5;
}
#remembering .content{
    padding-top: 0;
}
#brain-container{
    overflow-y: hidden; /* needed, as flying words left: -30%, so they overflow */
}
#brain-container img{
    max-height: 50vh;
    max-width: 70vh;
}

.fly{
    position: absolute;
    color: red;
    overflow-y: hidden;
}
.fly-left{
    left: -30%;
    -webkit-animation: flyLeft 4s infinite;
    -moz-animation: flyLeft 4s infinite;
    -o-animation: flyLeft 4s infinite;
    animation: flyLeft 4s infinite;
}
.fly-right{
    right: -30%;
    -webkit-animation: flyRight 6s infinite;
    -moz-animation: flyRight 6s infinite;
    -o-animation: flyRight 6s infinite;
    animation: flyRight 6s infinite;
}
.upward{
    transform: rotate(-10deg);
}
.downward{
    transform: rotate(10deg);
}


@keyframes flyLeft {
    0%{
        left: 1%;
        overflow-y: hidden;
    }
    50%{
        color: red;
    }
    100%{
        left: 45%;
        top: 40%;
        font-size: 10px;
        color: #000;
    }
}
@keyframes flyRight {
    0%{
        right: 1%;
        overflow-y: hidden;
    }
    100%{
        right: 45%;
        top: 40%;
        font-size: 10px;
        color: #000;
    }
}


.center-words{
    position: absolute;
    font-size: 8px;
    font-weight: bold;
    color: #000;
    display: none;
}
.center-words:nth-child(2){
    top: 40%;
    left: 45%;
}
.center-words:nth-child(3){
    top: 42%;
    left: 45%;
    transform: rotate(-25deg);
}
.center-words:nth-child(4){
    top: 45%;
    left: 45%;
    transform: rotate(40deg);

}
.center-words:nth-child(5){
    top: 42%;
    left: 45%;
    transform: rotate(25deg);
}


.title{
    transform: scale(0.6);
    opacity: 0;
}
.scaleup{
    -webkit-animation: scaleUp 0.5s ;
    -o-animation: scaleUp 0.5s ;
    -moz-animation: scaleUp 0.5s ;
    animation: scaleUp 0.5s ;
    animation-fill-mode: forwards;
}
@keyframes scaleUp {
    100%{
        transform: scale(1);
        opacity: 1;
    }
}

.section .content{
    //top: 2em;
    opacity: 0;
}
.appear{
    -webkit-animation: contentAppear 2s;
    -o-animation: contentAppear 2s;
    -moz-animation: contentAppear 2s;
    animation: contentAppear 2s;

    -moz-animation-fill-mode: forwards;
    -webkit-animation-fill-mode: forwards;
    -o-animation-fill-mode: forwards;
    animation-fill-mode: forwards;
}
@keyframes contentAppear {
    100%{
        opacity: 1;
        top: 0;
    }
}





#diction .title, #diction .highlight{
    color: #049112;
}
#exampleSentence .title{
    color: #ff4501;
}
#mnemonic .title{
    color: #00a7ca;
}
#mnemonic .bdr-left{
    border-left: 1px solid #000;
}
#mnemonic .bdr-top{
    border-top: 1px solid #000;
}
#synonym .title, #words-quantity .title{
    color: #e92ce7;
}
#trial{
    background: #fff;
    margin: 1em 0;
    padding: 10px 8px;
    color: #000;
    text-align: center;
}
.section:last-child{
    font-size: 0.8em;
    margin-bottom: 1em;
}
.section:last-child a{
    text-decoration: underline;
}

#download .content{
    background: #fff none;
    border: 1px solid #000;
    border-radius: 4px;
}
#download img{
    width: 80%;
    height: auto;
}
@media (min-width:801px)  {
    /* tablet, landscape iPad, lo-res laptops ands desktops */
    #download img{
        width: 20%;
        height: auto;
    }
}
#download .p1{
    color: orangered;
    color: #000;
    padding: 0 1px;
}
#download .p2{
    font-size: 0.7em;
    color: rgb(0, 89, 10);
}
#download .icon.icon-love{
    width: 20px;
    height: 20px;
}

#download a.apk{
    background: linear-gradient(to bottom, #fffbfb, #ebe4cc);
    padding: 8px 16px;
    border-radius: 4px;
}


/*--------------border animate----------------*/
.draw {
    overflow: hidden;
    position: relative;
}
.draw::before, .draw::after {
    content: '';
    box-sizing: border-box;
    position: absolute;
    border: 1px solid transparent;
    width: 0;
    height: 0;
}
.draw::before {
    top: 0;
    left: 0;
    border-top-color: #e80000;
    border-right-color: #0000f0;
    animation: border 5s infinite;
}
.draw::after {
    bottom: 0;
    right: 0;
    animation: border 5s 2.5s infinite, borderColor 5s 2.5s infinite;
}

@keyframes border {
    0% {
        width: 0;
        height: 0;
    }
    25% {
        width: 100%;
        height: 0;
    }
    50% {
        width: 100%;
        height: 100%;
    }
    100% {
        width: 100%;
        height: 100%;
    }
}
@keyframes borderColor {
    0% {
        border-bottom-color: #0000ff;
        border-left-color: #5c0000;
    }
    50% {
        border-bottom-color: #0000ff;
        border-left-color: #5c0000;
    }
    51% {
        border-bottom-color: transparent;
        border-left-color: transparent;
    }
    100% {
        border-bottom-color: transparent;
        border-left-color: transparent;
    }
}


/*----------------bar chart------------------*/
@-webkit-keyframes animate-width {
    0% {
        width: 0;
    }
    100% {
        visibility: visible;
    }
}
@-moz-keyframes animate-width {
    0% {
        width: 0;
    }
    100% {
        visibility: visible;
    }
}
@keyframes animate-width {
    0% {
        width: 0;
    }
    100% {
        visibility: visible;
    }
}
@-webkit-keyframes animate-height {
    0% {
        height: 0;
    }
    100% {
        visibility: visible;
    }
}
@-moz-keyframes animate-height {
    0% {
        height: 0;
    }
    100% {
        visibility: visible;
    }
}
@keyframes animate-height {
    0% {
        height: 0;
    }
    100% {
        visibility: visible;
    }
}
body {
    font-family: arial, sans-serif;
    color: #cdcdcd;
}
#bar-chart {
    height: 35vh;
    width: 90%;
    position: relative;
    margin: 5px auto 0;
}
#bar-chart * {
    box-sizing: border-box;
}
#bar-chart .graph {
    height: 35vh;
    position: relative;
}
#bar-chart .bars {
    height: 35vh;
    //padding: 0 5px;
    position: absolute;
    width: 100%;
    z-index: 10;
}
#bar-chart .bar-group {
    display: block;
    float: left;
    height: 100%;
    position: relative;
    width: 38%;
    //margin-right: 20%;
}
.bar-group.group1{
    margin-right: 20%;
}
#bar-chart .bar-group:last-child {
    margin-right: 0;
}
#bar-chart .bar-group .bar {
    visibility: hidden;
    height: 0;
    -webkit-animation: animate-height;
    -moz-animation: animate-height;
    animation: animate-height;
    animation-timing-function: cubic-bezier(0.35, 0.95, 0.67, 0.99);
    -webkit-animation-timing-function: cubic-bezier(0.35, 0.95, 0.67, 0.99);
    -moz-animation-timing-function: cubic-bezier(0.35, 0.95, 0.67, 0.99);
    animation-duration: 0.4s;
    -webkit-animation-duration: 0.4s;
    -moz-animation-duration: 0.4s;
    animation-fill-mode: forwards;
    -webkit-animation-fill-mode: forwards;
    box-shadow: 1px 0 2px rgba(0, 0, 0, .15);
    border: 1px solid #6d6d6d;
    border-radius: 3px 3px 0 0;
    bottom: 0;
    cursor: pointer;
    height: 0;
    position: absolute;
    text-align: center;
    width: 30%;
}
#bar-chart .bar-group .bar:nth-child(2) {
    left: 40%;
}
#bar-chart .bar-group .bar:nth-child(3) {
    left: 80%;
}
#bar-chart .bar-group .bar span {
    display: none;
}
#bar-chart .bar-group .bar-1 {
    animation-delay: 0.6s;
    -webkit-animation-delay: 0.6s;
}
#bar-chart .bar-group .bar-2 {
    animation-delay: 0.8s;
    -webkit-animation-delay: 0.8s;
}
#bar-chart .bar-group .bar-3 {
    animation-delay: 1s;
    -webkit-animation-delay: 1s;
}
#bar-chart .bar-group .bar-4 {
    animation-delay: 1.2s;
    -webkit-animation-delay: 1.2s;
}
#bar-chart .bar-group .bar-5 {
    animation-delay: 1.3s;
    -webkit-animation-delay: 1.3s;
}
#bar-chart .bar-group .bar-6 {
    animation-delay: 1.4s;
    -webkit-animation-delay: 1.4s;
}
#bar-chart ul {
    list-style: none;
    margin: 0;
    padding: 0;
}
#bar-chart .x-axis {
    //bottom: 0;
    position: absolute;
    bottom: -1em;
    text-align: center;
    width: 100%;
}
#bar-chart .x-axis li {
    float: left;
    margin-right: 12%;
    font-size: 11px;
    width: 40%;
}
#bar-chart .x-axis li:last-child {
    margin-right: 0;
}
#bar-chart .y-axis {
    position: absolute;
    text-align: right;
    width: 100%;
}
#bar-chart .y-axis li {
    border-top: 1px solid #acb5c4;
    display: block;
    height: 40px;
    width: 100%;
}
#bar-chart .y-axis li span {
    display: block;
    font-size: 11px;
    margin: -10px 0 0 -45px;
    padding: 0 10px;
    width: 40px;
}
#bar-chart .stat-1 {
    background-image: -webkit-linear-gradient(left, #ff4500 0%, #ff4500 47%, #cf3a02 50%, #cf3a02 100%);
    background-image: linear-gradient(to right, #ff4500 0%, #ff4500 47%, #cf3a02 50%, #cf3a02 100%);
}
#bar-chart .stat-2 {
    background-image: -webkit-linear-gradient(left, #b8f123 0%, #b8f123 47%, #79a602 50%, #79a602 100%);
    background-image: linear-gradient(to right, #b8f123 0%, #b8f123 47%, #79a602 50%, #79a602 100%);
}
#bar-chart .stat-3 {
    background-image: -webkit-linear-gradient(left, #00c5ff 0%, #00c5ff 47%, #0383a9 50%, #0383a9 100%);
    background-image: linear-gradient(to right, #00c5ff 0%, #00c5ff 47%, #0383a9 50%, #0383a9 100%);
}



#footer{
    background: linear-gradient(rgba(246, 246, 246, 0.89), rgba(244, 244, 244, 0.87)), url("../../images/bg48.jpg") center;
    color: #333;
    padding-top: 1rem;
}
#footer .content{
    color: #9c9c9c;
    font-family: "Calibri", sans-serif
}
#footer .contacts{
    border-top: 1px solid #dadada;
    margin-top: 1em;
    padding: 2rem 0;
    background: linear-gradient(rgba(246, 246, 246, 0.89), rgba(244, 244, 244, 0.87)), url("../../images/bg48.jpg") center;
}
.contact img.icon{
    width: 20px;
    height: auto;
    position: relative;
    top: -1px;
    filter: grayscale(100%); /* 100% will turn the image completely grayscale */
}
.contact a{
    color: #000;
}