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

html {
    min-height: 100%;
    font-size: 10px;
    scroll-behavior: smooth;
}

body {
    height: 100%;
    width: 100%;
    background-image: linear-gradient(180deg, #5961f9 0%, #2afadf 40%, #f9fea5 100%);
    background-repeat: no-repeat;
}

img {
    max-width: 100%;
    height: auto;
    box-shadow: 10px 8px 15px 0px rgba(0, 0, 0, 0.4);
    margin-top: 10px;
    margin-bottom: 30px;
}

.navbar {
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: #fff;
    padding: 8px 12px;
}

.navbar_menu {
    display: flex;
    gap: 20px;
    list-style: none;
    padding: 0 auto;
}

.navbar_menu li {
    padding: 8px 12px;
}

.navbar_menu li:hover {
    background-color: #5961f9;
    color: white;
    border-radius: 4px;
}

a {
    font-family: "Lato", sans-serif;
    font-size: 1.6rem;
    text-decoration: none;
    color: #555555;
    text-transform: uppercase;
}

a:hover {
    color: #fff;
}

*,
*:before,
*:after {
    box-sizing: inherit;
}

h1,
h3,
p {
    color: #204754;
    font-family: 'Nunito', sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1 {
    margin-bottom: 1rem;
    font-size: 4rem;
    line-height: 8rem;
}

h3 {
    margin-bottom: .7rem;
    font-size: 2.8rem;
}

.main-title h1 {
    color: white;
}

.main-title h1 span {
    font-size: 7rem;
    text-shadow: 1px 0 10px #241468;
}

.main-title img {
    max-width: 100%;
    height: auto;
    box-shadow: 12px 10px 20px 0px rgba(0, 0, 0, 0.4);
    margin-top: 20px;
    margin-bottom: 50px;
}

irame {
    max-width: 100%;
    height: auto;
}

p {
    font-size: 2rem;
    line-height: 2.8rem;
    margin-bottom: 10px;
}

p:last-child {
    margin-bottom: -6px;
}

.site-wrap {
    max-width: 700px;
    margin: 0 auto;
    padding: 10rem 2rem;
}

section {
    margin-bottom: 10rem;
    padding: 4rem;
    background: white;
    border-radius: 8px;
    box-shadow: 0px 0px 0 1px transparentize(#204754, 0.97),
        0px 0px 0 3px transparentize(#204754, 0.98);
}

section:last-child {
    margin-bottom: 0;
}

[data-scroll] {
    opacity: 0;
    will-change: transform, scale, opacity;
    transform: translateY(6rem) scale(0.93);
    transition: all 1.5s cubic-bezier(0.165, 0.84, 0.44, 1);
}

[data-scroll='in'] {
    opacity: 1;
    transform: translateY(0) scale(1);
}

[data-scroll='out'] {
    opacity: 0;
}

.personas h4 {
    font-size: 1.7rem;
    font-weight: 400;
    color: #61677A;
}

.personas h3 {
    font-size: 2.6rem;
    font-weight: 500;
    text-transform: capitalize;
}

.personas ul {
    font-size: 1.8rem;
    color: #61677A;
    list-style: disc;
    list-style-position: inside;
}

ol {
    font-size: 2.2rem;
    color: #61677A;
    list-style: disc;
    list-style-position: inside;
    border-radius: 5px;
    background-color: #F5F7F8;
    padding: 20px;
}

ol li {
    margin-bottom: 10px;
}

.info-holder {
    background: white;
    padding: 15px 0;
}

.personas-slider .img-holder {
    background-color: #F5F7F8;
    /*  height: 200px;*/
    position: relative;
    display: flex;
    align-items: center;
    gap: 20px;
}

.left-img {
    width: 50%;
}

.img-info {
    width: 50%;
    padding: 20px 10px;
}

.personas-img {
    height: 180px;
    background-size: cover;
    background-position: center;
}

.personas .img1 {
    background-image: url(../images/student1.jpg);
}

.personas .img2 {
    background-image: url(../images/teacher.jpg);
}

.personas .img3 {
    background-image: url(../images/student2.jpg);
}

.personas .slick-slide {
    margin: 0 10px;
}

.personas .slick-list {
    margin: 0 -10px;
}

.personas .slick-arrow {
    position: absolute;
    z-index: 1;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    font-size: 0;
    border: none;
    border-radius: 50%;
    background: #fff;
    cursor: pointer;
    transition: .4s;
}

.personas .slick-arrow:hover {
    background: #5961f9;
    border-radius: 50%;
}

.personas .slick-arrow:before {
    content: url('../images/arrow_right.png');
    transform: translate(-50%, -50%) scale(0.05);
    display: block;
    position: absolute;
    top: 50%;
    left: 50%;
}

.personas .slick-prev {
    right: calc(100% + 20px);
    transform: translateY(-50%) scaleX(-1);
}

.personas .slick-next {
    left: calc(100% + 20px);
}

#end {
    position: relative;
}

.back-to-top {
    width: 50px;
    height: 50px;
    background: white;
    color: #5961f9;
    font-size: 35px;
    position: absolute;
    right: -25px;
    bottom: 0px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    cursor: pointer;
    box-shadow: 2px 2px 6px rgba(0, 0, 0, 0.5);
}

.back-to-top:hover {
    box-shadow: 1px 1px 4px rgba(0, 0, 0, 0.5);
    opacity: 70%;
    background: #5961f9;
    color: white;
}

@media only screen and (max-width: 480px) {
    iframe {
        width: 270px;
        height: 500px;
    }

    .personas-slider .img-holder {
        display: flex;
        flex-direction: column;
        height: 350px;
    }

    .left-img {
        width: 100%;
    }

    .img-info {
        width: 100%;
        padding: 5px 10px 15px;
    }

}