:root {
    --dark-grey: #333333;
    --medium-grey: #636363;
    --light-grey: #eeeeee;
    --ash: #f4f4f4;
    --primary-color: #334080;
    --secondary-color: #F5C400;
    --white: white;
    --border: 1px solid var(--light-grey);
    --shadow: rgba(0, 0, 0, 0.05) 0px 6px 24px 0px,
      rgba(0, 0, 0, 0.08) 0px 0px 0px 1px;
}

/** LANDING SECTION **/

.landing {
    display: flex;
    flex-direction: row;
    min-height: 70vh; 
    background-color: var(--primary-color);
    color: var(--white);
    padding: 30px 0px 0px 80px;
    align-content: space-around;
}

.landing-text {
    z-index: 1;
    max-width: 50%;
    padding: 50px 30px 0 0;
}

.h1__landing {
    font-size: 3.3rem;
    margin: 2rem auto 1rem;
    line-height: 1;
}

.btn-landing {
    display: inline-block;
    padding: 10px 20px;
    font-size: 16px;
    background-color: var(--secondary-color);
    color: var(--white);
    border: none;
    border-radius: 5px;
    cursor: pointer;
    margin-top: 20px;
}

.img__landing {
    width: 670px;
    height: 600px;
    display: block;
    margin: 0 auto;
    padding-left: 100px;
}

.btn-landing:hover {
    background-color: var(--white);
    color: var(--primary-color);
}

@media only screen and (min-width: 768px) and (max-width: 1199px) {
    /* Format tablette */
    .landing {
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        text-align: center;
        padding: 0;
    }

    .landing-text,
    .landing-img {
        max-width: 100%;
    }

    .h1__landing {
        font-size: 2.5rem;
    }

    .img__landing {
        width: 560px;
        height: 500px;
    }
}

@media only screen and (max-width: 767px) {
    /* Format téléphone */
    .landing {
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        align-content: center;
        padding: 0;
    }

    .landing-text,
    .landing-img {
        max-width: 100%;
        padding: 0;
        text-align: center;
    }

    .h1__landing {
        font-size: 2rem;
    }

    .img__landing {
        width: 380px;
        height: 350px;
        padding: 0;
    }

    .btn-landing {
        display: inline-block;
        padding: 8px 18px;
        font-size: 14px;
        background-color: var(--secondary-color);
        color: var(--white);
        border: none;
        border-radius: 4px;
        cursor: pointer;
        margin-top: 20px;
    }
}

/** INFO SECTION **/

.landing-info {
    display: flex;
    flex-direction: row;
    min-height: 70vh; 
    background-color: var(--white);
    color: var(--primary-color);
    padding: 50px 0px 30px 50px;
}

.landing-info-text {
    z-index: 1;
    max-width: 60%;
    padding: 0 0 0 50px;
}

.h1__landing-info {
    font-size: 2.8rem;
    line-height: 1;
    padding: 10px 0 10px 0;
}

.p__landing-info {
    font-size: 1.5rem;
    padding: 20px 0 15px 0;
}

.btn__landing {
    display: inline-block;
    padding: 10px 20px;
    font-size: 16px;
    background-color: var(--secondary-color);
    color: var(--white);
    border: none;
    border-radius: 5px;
    cursor: pointer;
    margin-top: 15px;
}

.img__landing-info {
    width: 500px;
    height: 500px;
    display: block;
    margin: 0 auto;
    padding-bottom: 25px;
}

.btn__landing:hover {
    background-color: var(--primary-color);
    color: var(--white);
}

@media only screen and (min-width: 768px) and (max-width: 1199px) {
    .landing-info {
        flex-direction: column-reverse;
        padding: 50px 50px 30px 50px;
    }
    
    .landing-info-text {
        max-width: 100%;
        padding: 0 0 0 0;
    }
    
    .h1__landing-info {
        font-size: 2rem;
        line-height: 1;
        padding: 10px 0 10px 0;
    }
    
    .p__landing-info {
        font-size: 1.4rem;
        padding: 10px 0 10px 0;
    }
    
    .btn__landing {
        padding: 8px 18px;
        font-size: 14px;
        border-radius: 6px;
    }
    
    .img__landing-info {
        width: 400px;
        height: 400px;
    }
}

@media only screen and (max-width: 767px) {
    .landing-info {
        flex-direction: column-reverse;
        padding: 30px;
    }
    
    .landing-info-text {
        max-width: 100%;
        padding: 0 0 0 0;
    }
    
    .h1__landing-info {
        font-size: 1.6rem;
        line-height: 1;
        padding: 10px 0 10px 0;
    }
    
    .p__landing-info {
        font-size: 1.1rem;
        padding: 10px 0 10px 0;
    }
    
    .btn__landing {
        padding: 8px 18px;
        font-size: 14px;
        border-radius: 6px;
    }
    
    .img__landing-info {
        width: 400px;
        height: 400px;
        padding-top: 30px;
    }
}

/** CAROUSEL SECTION **/

.carousel {
    background-color: var(--primary-color);
    color: var(--white);
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 40px 20px 40px 20px;
}

.carousel-items {
    display: flex;
    overflow-x: scroll;
    scroll-snap-type: x mandatory;
    margin: 0 0 1.5rem;
    padding-top: 10px;
    padding-left: 50px;
}

.carousel-item {
    display: inline-block;
    flex: 0 0 calc((100% - 5rem) / 4);
    margin-left: 1rem;
    scroll-snap-align: start;
    padding-bottom: 15px;
}

.card {
    background-color: var(--white);
    color: var(--primary-color);
    border: 1px solid var(--light-grey);
    border-radius: 8px;
    padding: 1rem;
    text-align: center;
}

.img__card {
    height: auto;
    margin-bottom: .5rem;
    max-width: 100%;
    display: block;
    margin-left: auto;
    margin-right: auto;
}

.h1__carousel {
    font-size: 2rem;
    margin: 2rem auto 1rem;
    line-height: 1;
    text-align: center;
}

.card-title {
    font-size: 1.1rem;
    margin-bottom: 10px;
}

.p__carousel {
    margin-bottom: 15px;
    text-align: center;
}

.p__card {
    margin-bottom: 10px;
    text-align: center;
}

.title-center {
    text-align: center;
}

.button {
    display: flex;
    align-items: center;
    flex-direction: center;
    justify-content: center;
    background-color: var(--secondary-color);
    border: 1px solid var(--secondary-color);
    border-radius: 4px;
    color: var(--white);
    cursor: pointer;
    padding: 0.25rem 0.75rem;
    text-decoration: none;
    transition: all 0.15s ease-in-out;
}

.button:hover {
    background-color: var(--primary-color);
    border: var(--primary-color);
}

::-webkit-scrollbar-track {
    background-color: var(--primary-color);
}

::-webkit-scrollbar {
    height: 5px;
    background-color: var(--secondary-color);
}

::-webkit-scrollbar-thumb {
    background-color: var(--light-grey);
    border-radius: 3px;
}

@media only screen and (min-width: 768px) and (max-width: 1199px) {
    .carousel {
        padding: 30px 20px 30px 20px;
    }
    
    .carousel-item {
        flex: 0 0 calc((100% - 5rem) / 3);
    }
}

@media only screen and (max-width: 767px) {
    .carousel {
        padding: 30px 20px 30px 20px;
    }
    
    .carousel-item {
        flex: 0 0 calc((100% - 5rem) / 1);
    }
}

/** QUIZ SECTION **/

.quiz-section {
    background-color: var(--white);
    color: var(--primary-color);
    display: flex;
    flex-direction: row;
    min-height: 70vh; 
    padding: 30px;
}

.quiz-text {
    z-index: 1;
    max-width: 65%;
    padding: 40px 0 0 30px;
}

.h1__quiz {
    font-size: 2.5rem;
    line-height: 1;
    padding: 20px 0 10px 0;
}

.p__quiz {
    font-size: 1.5rem;
    padding: 10px 0 10px 0;
}

.img__quiz {
    width: 400px;
    height: 400px;
    display: block;
    margin: 0 auto;
}

.quiz-img {
    padding-left: 20px;
}

@media only screen and (min-width: 768px) and (max-width: 1199px) {
    .quiz-section {
        flex-direction: column;
        padding: 0px 30px 10px 30px;
    }

    .quiz-text,
    .quiz-img {
        max-width: 100%;
        padding-left: 0;
    }

    .h1__quiz {
        font-size: 1.6rem;
    }

    .img__quiz {
        width: 300px;
        height: 300px;
    }

    .p__quiz {
        font-size: 1.2rem;
    }
}

@media only screen and (max-width: 767px) {
    .quiz-section {
        flex-direction: column;
        padding: 0px 30px 10px 30px;
    }

    .quiz-text,
    .quiz-img {
        max-width: 100%;
        padding-left: 0;
    }

    .h1__quiz {
        font-size: 1.4rem;
    }

    .img__quiz {
        width: 300px;
        height: 300px;
    }

    .p__quiz {
        font-size: 1.1rem;
    }
}

/** CHATBOT SECTION **/

.chatbot-section {
    background-color: var(--primary-color);
    color: var(--white);
    display: flex;
    flex-direction: row;
    min-height: 70vh; 
    padding: 50px 0 0 30px;
}

.chatbot-text {
    z-index: 1;
    max-width: 65%;
    padding: 40px 0 0 30px;
}

.h1__chatbot {
    font-size: 2.5rem;
    line-height: 1;
    padding: 20px 0 10px 0;
}

.p__chatbot {
    font-size: 1.3rem;
    padding: 10px 0 10px 0;
}

.img__chatbot {
    width: 400px;
    height: 400px;
    display: block;
    margin: 0 auto;
    padding-right: 20px;
}

.chatbot-img {
    padding-left: 20px;
}

@media only screen and (min-width: 768px) and (max-width: 1199px) {
    .chatbot-section {
        flex-direction: column-reverse;
        padding: 0 0 30px 30px;
    }

    .chatbot-text,
    .chatbot-img {
        max-width: 100%;
        padding-left: 0;
    }

    .h1__chatbot {
        font-size: 1.6rem;
        padding-top: 20px;
    }

    .img__chatbot {
        width: 300px;
        height: 300px;
    }

    .p__chatbot {
        font-size: 1.2rem;
    }
}

@media only screen and (max-width: 767px) {
    .chatbot-section {
        flex-direction: column-reverse;
        padding: 0 0 30px 30px;
    }

    .chatbot-text,
    .chatbot-img {
        max-width: 100%;
        padding-left: 0;
    }

    .h1__chatbot {
        font-size: 1.4rem;
        padding-top: 20px;
    }

    .img__chatbot {
        width: 250px;
        height: 250px;
    }

    .p__chatbot {
        font-size: 1.1rem;
    }
}