/* @media (min-width: 800px) {
    html {
        font-size: 12px
    }
}

@media (min-width: 1000px) {
    html {
        font-size: 13px;
    }
}

@media (min-width: 1200px) {
    html {
        font-size: 14px;
    }
}

@media (min-width: 1400px) {
    html {
        font-size: 15px;
    }
}


@media (min-width: 1600px) {
    html {
        font-size: 18px;
    }
} */

body {
    overflow-y: hidden;
    overflow-x: hidden; 
  }

div {
    box-sizing: border-box;
}

html, body {
    height: 100%;
}

body {
    padding: 0;
    margin: 0;
}
h1, h2,h3,h4,h5,h6,p,li,img {
    margin: 0;
    padding: 0;
    font-family: "Times New Roman", Times, serif;
}
li {
    list-style: none;
}

.hidden {
    display: none;
}

#navipoints {
    position: fixed;
    bottom: 0.10rem;
    left: 50%;
    transform: translateX(-50%);
    width: 8.25rem;
    height: 3rem;
}

#navipoints ul {
    padding: 0;
    margin: 0;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

#navipoints ul li {
    width: 1.25rem;
    height: 1.25rem;
    background-color: transparent;
    border-radius: 1.125rem;
    border: 1px solid #2563eb;
    cursor: pointer;
}

#navipoints ul li.selected-point {
    background-color: #2563eb;
}

.main {
    width: 100%;
    height: 100vh;
    background-image: url('../image/main_bg.jpg');
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    padding: 0;
    margin: 0;
    overflow:hidden
}

.cover {
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,.7) ;
    position: relative;
}

.title1 {
    font-size: 3rem;
    color: white;
    position: absolute;
    top: 6rem;
    left: 6rem;
}

.title2 {
    width: 70%;
    font-size: 2.125rem;
    color: white;
    position: absolute;
    top: 12rem;
    left: 6rem;
}

.title3 {
    width: 43rem;
    font-size: 1.625rem;
    color: white;
    position: absolute;
    top: 20rem;
    left: 6rem;
    line-height: 2.25rem;
}

.title4 {
    width: 26rem;
    font-size: 1rem;
    color: white;
    position: absolute;
    top: 26rem;
    left: 6rem;
    line-height: 1.75rem
}

.title5 {
    width: 26rem;
    font-size: 1rem;
    color: white;
    position: absolute;
    top: 31rem;
    left: 6rem;
    line-height: 1.75rem;
    text-align: end;
}

#start-button {
    width: 13.8rem;
    height: 3.6rem;
    background-color: #2563eb;
    position: absolute;
    top: 39rem;
    left: 6rem;
    font-size: 1.75rem;
    border-radius: .625rem;
    color: #fff;
    line-height: 3.6rem;
    text-align: center;
    cursor: pointer;
}

.main2 {
    width: 100%;
    height: 100vh;
    background: linear-gradient(to right, #82bcff, #fff);
    overflow:hidden
}

.tutor-profile-area {
    width: 100%;
    height: 100%;
    padding: 0 3rem;
    display: flex;
    justify-content: space-between;
}

.profile-left {
    width: 34%;
    height: 100%;
    padding: 1.75rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    
}

.profile-right {
    width: 64%;
    height: 100%;
    padding: 1.75rem;
    border-top: 1px solid #f9f9f9;
}

.profile-top {
    width: 100%;
    height: auto;
    display: flex;
    justify-content: space-between;
}

.profile-image {
    width: 100%;
    height: 20%;
    display: flex;
    justify-content: center;
}

.tutor-image {
    width: 50%;
    height: 100%;
    border-radius: .625rem;
    overflow: hidden;
    background-color: #2563eb;
}

.profile-summary-top {
    width: 100%;
    height: 10%;
    margin-top: .625rem;
    display: flex;
    justify-content: center;
    text-align: center;
}

.profile-summary-bottom {
    width: 100%;
    height: 66%;
}

.grey-option {
    display: inline-block;
    padding: 0 .75rem;
    width: 4.25rem;
    height: 2.375rem;
    background-color: #f4f4f4;
    text-align: center;
    line-height: 2.375rem;
    font-size: .75rem;
    border-radius: .1875rem;
}

.yellow-option {
    display: inline-block;
    padding: 0 .75rem;
    width: auto;
    height: 2.375rem;
    font-weight: 700;
    background-color: #fff9ef;
    color: #edc17b;
    text-align: center;
    line-height: 2.375rem;
    font-size: .75rem;
    border-radius: .1875rem;
    margin-bottom: .375rem;
}

.star {
    display: inline-block;
    width: 1.625rem;
    height: 1.625rem;
    background: url('../image/star-solid.png');
    background-size: 100% 100%;
}

#send-button {
    display: inline-block;
    width: 10.5rem;
    height: 2.375rem;
    background-color: #7abbb5;
    line-height: 2.375rem;
    text-align: center;
    text-decoration: none;
    color: #fff;
    border-radius: .5rem;
}

.profile-menu-bar {
    width: 100%;
    height: 5.5rem;
    margin-top: 3.75rem;
    border-top: 1px solid #f9f9f9;
    border-bottom: 1px solid #f9f9f9;
    display: flex;
    align-items: center;
}

.menu-options {
    width: 10.5rem;
    height: 3.5rem;
    padding: 0 2.375rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.option {
    display: inline-block;
    font-weight: 700;
    text-decoration: none;
    color: #60a6f7;
}

.menu-options .option-selected {
    color: #7abbb5;
    border-bottom: .25rem solid #7abbb5;
}

#option-detail {
    margin-top: 2.5rem;
    width: 100%;
    height: 55vh;
    overflow: hidden;
}

#option-slide {
    width: 300%;
    height: 100%;
    display: flex;
    justify-content: left;
    transition: 0.8s;
}

.about-detail {
    width: 100%;
    height: 100%;
}

.experience-detail {
    width: 100%;
    height: 100%;
}

#schedule-detail {
    width: 100%;
    height: 100%;
    overflow: hidden;
}

#schedule-slider {
    width: 100%;
    height: 200%;
    transition: 0.3s;
}

.main3 {
    width: 100%;
    height: 100vh;
    padding: 3rem;
    background: #f0f1f4;
}

.material-area {
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
}

.material {
    width: 15.25rem;
    height: 21.6875rem;
    margin: 1rem;
    box-shadow: .375rem .375rem .5rem rgba(0, 0, 0, 0.5), -0.25rem -0.25rem .5rem rgba(0, 0, 0, 0.2);
}

.material-img, .lesson-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.main4 {
    width: 100%;
    height: 100vh;
    background-image: url('../image/main4.jpg');
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    padding: 0;
    margin: 0;
    overflow:hidden
}

.gallery-area {
    width: 50vw;
    height: 100%;
    padding: 2.375rem;
}

.gallery {
    width: 100%;
    height: 11rem;
    margin: 1.325rem;
    overflow:hidden;
    display: flex;
    justify-content: space-between;
}

.gallery .photo {
    width: 48%;
    height: 100%;
    border-radius: .8rem;
    overflow: hidden;
}

.gallery .photo-detail {
    width: 48%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.gallery .photo-detail p {
    margin: .75rem;
    line-height: 1.5rem;
}

.main5 {
    width: 100%;
    height: 100vh;
    background-image: url('../image/main6.jpg');
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    padding: 0;
    margin: 0;
    overflow: hidden;
}

.main-5-area {
    position: relative;
}

.review-title {
    width: 30.75rem;
    height: 8.75rem;
    position: absolute;
    top: 1rem;
    right: 2rem;
    display: flex;
    align-items: center;
}

.review-area1 {
    width: 72.75rem;
    height: 16.75rem;
    position: absolute;
    top: 10.5rem;
    left: 60%;
    transform: translateX(-60%);
}

.review-area2 {
    width: 68.75rem;
    height: 16.75rem;
    position: absolute;
    top: 32rem;
    left: 5%;
}

.main6 {
    width: 100%;
    height: 100vh;
    background-image: url('../image/contact_page.jpg');
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    padding: 0;
    margin: 0;
    overflow: hidden
}