:root {
    --charcoal : #494A4C;
    --white : #FFF;
    --aqua : #7bc5c4;
    --stone : #F6F6F6; 
}
html {
    scroll-behavior: smooth;
    scroll-padding-top: 12rem;
}
html.menu-mobile-opened {
    scroll-padding-top: 30rem;
}
@media (max-width: 767px) {
    html {
        scroll-padding-top: 8rem;
    }
}
body {
    line-height: 1.5;
}
.h1 {
    font-size: 6rem;
    font-weight: 500;
    text-transform: uppercase;
    display: block;
    line-height: 1.3;
}
.h2 {
    font-size: 4rem;
    font-weight: 500;
    text-align: center;
    line-height: 1.1;
}
.h3 {
    font-size: 2.5rem;
    font-weight: 500;
    text-align: center;
    line-height: normal;
}
.h4 {
    font-size: 2.1rem;
    font-weight: 700;
    line-height: normal;
}
.h5 {
    font-weight: 500;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.subtitleSmall {
    font-family: Spectral;
    font-size: 2rem;
    font-style: italic;
    font-weight: 500;
    line-height: normal;
}
.text-left {
    text-align: left;
}
button:focus,
a:focus {
    outline: revert;
}
@media (max-width:767px) {
    .h1 {
        font-size: 4rem;
    }
    .h2 {
        font-size: 3.2rem;
    }
    .h3 {
        font-size: 2.2rem;
    }
}
.header {
    position: sticky;
    top: 0;
    width: 100%;
    z-index: 2;
    
}
.header__inner {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 1rem;
    background-color: rgba(51,51,51,0.95);
    backdrop-filter: blur(1px);
}
@media (max-width: 767px) {
    .header__inner {
        padding-inline: 2rem;
    }
}
.logo-ot {
    display: block;
}
@media (max-width: 767px) {
    .logo-ot {
        height: 4rem;
    }
}
@media (max-width: 767px) {
    .menu-button {
        height: 3.5rem;
        width: 3.5rem;
        position: absolute;
        left: 2rem;
    }
}
@media (min-width: 768px) {
    .menu-button {
        display: none;
    }
}
.navigation {
    background: rgba(200, 200, 200, 0.95);
    backdrop-filter: blur(1px);
    display: flex;
    flex-wrap: wrap;
    justify-content: center;

}
@media (max-width: 767px) {
    .navigation {
        flex-direction: column;
        transition: left .25s ease-in-out 0s;
        left: -100%;
        position: absolute;
        padding: 2rem;
        gap: 2rem;
        width: 100%;
    }
    .menu-mobile-opened .navigation {
        left: 0;
    }
}
@media (min-width: 768px) {
    .navigation {
        padding: 1rem;
        gap: 1rem 10rem;
    }
}
.navigation__link {
    color: var(--charcoal);
    text-transform: uppercase;
    letter-spacing: 2px;
}
.footer {
    background-color: var(--charcoal);
    color: var(--white);
    padding: 1rem;
}
.footer__inner {
    display: flex;
    justify-content: space-between;
}
.hero {
    display: flex;
    position: relative;
    height: 75vh;
    overflow: hidden;
}
.hero__visual {
    object-fit: cover;
    width: 100%;
    height: 100%;
}
.hero__content {
    background-image: linear-gradient(0deg, rgba(79, 79, 79, 0.60) 0%, rgba(79, 79, 79, 0.60) 100%);
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    position: absolute;
    width: 100%;
    height: 100%;
    color: var(--white);
    padding-inline: 2rem;
}
.hero__title {
    text-align: center;
}
.hero__title-2 {
    font-family: Spectral,serif;
    font-weight: 400;
    font-size: 3.6rem;
    font-style: italic;
    display: block;
    margin-top: 1rem;
}
@media (max-width:767px) {
    .hero__title-2 {
        font-size:2.7rem;
    }
}
.hero__btn {
    background-color: var(--aqua);
    border-radius: 4px;
    padding: 0.6rem 2.8rem 0.4rem 2.8rem;
    display: inline-block;
    text-transform: uppercase;
    margin-top: 3.6rem;
}
.hero__btn:hover {
    background-color: #52adac;
}
.contain {
    margin-inline: auto;
    padding-inline: 2rem;
    max-width: 79rem;
}
.contain.large {
    max-width: 120rem;
}

.chapter {
    display: flex;
    position: relative;
    height: 50rem;
    overflow: hidden;
}
.chapter__visual {
    object-fit: cover;
    width: 100%;
    height: 100%;
}
.chapter__content {
    background-image: linear-gradient(0deg, rgba(0, 0, 0, 0.60) 0%, rgba(0, 0, 0, 0.60) 100%);
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    position: absolute;
    width: 100%;
    height: 100%;
    color: var(--white);
    text-align: center;
    padding-inline: 2rem;
}
.chapter__subtitle {
    margin-top: 1rem;
    max-width: 79rem;
}
.box {
    padding-block: 8rem;
}
.alpha {
    background-color: var(--stone);
}
.box p:not(.citation) {
    text-align: justify;
}
.box p + p {
    margin-top: 3rem;
}
.box a {
    text-decoration: underline;
}
.box p.subtitleBig a {
    font-weight: 500;
}
.mb10 {
    margin-bottom: 1rem;
}
.mb15 {
    margin-bottom: 1.5rem;
}
.mb20 {
    margin-bottom: 2rem;
}
.mb30 {
    margin-bottom: 3rem;
}
.mb35 {
    margin-bottom: 3.5rem;
}
.mb40 {
    margin-bottom: 4rem;
}
.mb70 {
    margin-bottom: 7rem;
}
.mb80 {
    margin-bottom: 8rem;
}
.pt0 {
    padding-top: 0;
}
.fs18,
.grid-list .fs18 {
    font-size: 1.8rem;
}
.center {
    text-align: center;
}
.list-disc {
    padding-left: 2rem;
    list-style-type: disc;
}
.square-ratio {
    aspect-ratio: 1;
    object-fit: cover;
}
.cover {
    object-fit: cover;
}
.grid-list {
    --grid : 27rem;
    display: grid;
    gap: 4rem 3rem;
    grid-template-columns: repeat(auto-fit,minmax(var(--grid), 1fr));
}
.grid-list--four-columns {
    --grid : 21rem;
}
.grid-list li,
.flex-list li {
    font-family: Spectral;
    font-size: 2rem;
    font-style: italic;
    font-weight: 500;
    line-height: normal;
    text-align: center;
}
.grid-list {
    align-items: center;
}
.flex-list {
    display: flex;
    gap: 4rem 3rem;
    flex-wrap: wrap;
    justify-content: center;
}
.flex-list li {
    flex-basis: 20rem;
}
.two-columns {
    display: flex;
    gap: 4rem 3rem;
}
.two-columns__column {
    flex: 1 1 0%;
}
@media (max-width:620px) {
    .two-columns {
        flex-direction: column;
    }
}

.three-columns {
    display: flex;
    gap: 4rem 3rem;
}
.three-columns__column {
    flex: 1 1 0%;
}
@media (max-width:620px) {
    .three-columns {
        flex-direction: column;
    }
}

.align-items-center {
    align-items: center;
}
@media (min-width:621px) {
    .row-reverse {
        flex-direction: row-reverse;
    }
}



.slider {
    padding-block: 6rem 8rem;
    text-align: center;
}
.slider-item {
    position: relative;
}
.slider-item__content {
    position: absolute;
    z-index: 1;
    bottom: 0;
    left: 0;
    color: var(--white);
    padding: 2.5rem 4rem;
    width: 100%;
    background: rgba(0, 0, 0, 0.60)
}
.slider-item__chapo {
    font-size: 1.2rem;
    font-weight: 500;
    line-height: normal;
    letter-spacing: 1px;
    text-transform: uppercase;
}
.slider-item__link {
    font-size: 18px;
    font-weight: 700;
    text-decoration-line: underline;
}
.slider .slick-arrow {
    height: 6rem;
    width: 6rem;
    z-index: 1;
    background-color: var(--white);
}
.slider .slick-arrow:before{
    opacity: 1;
    font-size: 4rem;
    margin-top: 0.2rem;
}
.slider .slick-prev {
    left: calc(33.33%);
    transform: translate(-50%,-50%);
}
.slider .slick-next {
    right: calc(33.33%);
    transform: translate(50%,-50%);
}
.slick-dots li button:before {
    color: var(--charcoal);
    opacity: .5;
}

.box-footer {
    padding-block : 15rem;
    background-color: var(--aqua);
    text-align: center;
}
.box-footer a {
    display:inline-block;
}

.note {
    background-color: var(--aqua);
    padding: 3rem;
}
.citation {
    font-family: Spectral;
    font-size: 2.4rem;
    font-style: italic;
    font-weight: 500;
    line-height: normal;
    text-align: center;
}
@media (min-width:621px) {
    .two-columns-list {
        columns: 2;
        column-gap: 3rem;
    }
}

.fees {
    padding: 1.5rem;
    background-color: var(--stone);
}
.mentions {
    font-size: 1.5rem;
}



/*
h1 {outline:4px solid green}
h2 {outline:3px solid red}
h3 {outline:2px solid blue}
H4 {outline:1px solid orange}
*/