body {
    font-family: Helvetica, sans-serif;
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    background-color: #08b;
}

.container {
    display: flex;
    justify-content: center;
    height: 100vh;
    margin: 0;
}

.section {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 2s ease, transform 2s ease;
}

.section.active {
    opacity: 1;
    transform: translateY(0);
}
  
  

/* PRESENTATION */

.presentation {
    width: 50%;
    height: 40vh;
    display: grid;
    align-items: center;
    grid-template-columns: 45% 55%;
    min-width: 700px;
    margin: auto;
}

.presentation__picture {
    grid-row: 1;
    grid-column: 1;
    justify-content: center; 
    display: flex;
}

.presentation__picture img{
    border-radius: 50%;
    max-width: 270px;
    max-height: 270px;
    object-fit: cover;
}

.presentation__body {
    grid-row: 1;
    grid-column: 2;
    margin: 10px;
}

h1 {
    font-size: 40px;
    text-align: center;
    margin: 0;
    padding: 0;
}

.presentation__subtitle {
    font-weight: 600;
    font-size: 22px;
    text-align: center;
    margin: 0;
    padding-bottom: 20px;
}

.presentation__description {
    margin: 0;
    font-size: 18px;
    text-align: center;
    text-wrap: pretty;
}

.presentation__contact {
    grid-row: 2;
    grid-column: 1;
}

.presentation__contact-list {
    list-style-type: none;
    margin: 0;
    margin-left: -30px;
    margin-top: 15px;
    padding: 0;
    justify-content: center; 
    display: flex;
}

.presentation__contact-list li {
    display: inline-block;
    margin-right: 10px;
}

.presentation__contact-list img {
    display: block;
    max-width: 100%;
    max-height: 40px;
}

@media screen and (max-width: 800px) {
    .presentation {
        display: flex;
        flex-flow: column;
        height: auto;
        min-width: 0;
        width: 70vw;
    }

    .presentation__description {
        max-width: 90vw;
    }

    .presentation__contact-list {
        margin-left: 0;
    }
}

/* SKILLS */

.container-skills {
    display: flex;
    justify-content: center;
    margin: 0;
    height: 100vh;
}

.skills__title {
    text-align: center;
    font-size: 40px;
    margin: 0;
    margin-bottom: 20px;
    padding: 0;
}

.skills__container {
    display: grid;
    grid-template-columns: repeat(4,100px);
    gap: 30px;
    padding: 10px;
}

.skills__container--item {
    border: 2px solid black;
    border-radius: 8px;
    width: 100px;
    height: 100px;
    display: flex;
    align-items: center;
    justify-items: center;
    background-color: #48b;
}

.skills__container--item img{
    object-fit: cover;
    max-width: 90%;
    max-height: 90%;
    margin: auto;
}

@media screen and (max-width: 800px) {

    .container-skills {
        flex-flow: column;
        align-items: center;
    }

    .skills {
        width: 70vw;
        display: flex;
        flex-flow: column;
        align-items: center;
    }
    
}

@media screen and (max-width: 700px) {



    .skills__container {
        grid-template-columns: repeat(3,100px);
    }
    
}

@media screen and (max-width: 600px) {

    

    .skills__container {
        grid-template-columns: repeat(2,100px);
    }
    
}

/* PROJECTS */

.projects {
    display: flex;
    flex-flow: column nowrap;
    align-items: center;
    min-height: 100vh;
}

.projects__title {
    font-size: 40px;
    margin: 0;
    padding: 0;
    margin-bottom: 30px;
}

.all-projects__container {
    display: grid;
    grid-template-columns: repeat(2, 350px);
    gap: 30px;
}

.project__container {
    border: 2px solid black;
    border-radius: 18px;
    width: 350px;
    display: flex;
    align-items: center;
    flex-direction: column;
    background-color: #48b;
    color: #eee;
}

.img-container {
    padding: 10px;
    margin: 0;
}

.project__container img {
    border: 2px solid black;
    border-radius: 10px;
    object-fit: cover;
    max-width: 100%;
    max-height: 100%;
}

.project__title {
    font-size: 21px;
    margin: 5px auto;
    padding: 0;
}

.project__body {
    text-align: center;
    text-wrap: pretty;
    margin: 10px;
}

.project--link {
    font-size: 18px;
    color: inherit;
    margin-top: auto;
    margin-bottom: 10px;
}

@media screen and (max-width: 800px) {
    .all-projects__container {
        grid-template-columns: repeat(1, 350px);
    }
}

/* CERTIFICATES */

.certificates {
    display: flex;
    flex-flow: column nowrap;
    align-items: center;
    padding: 200px;
    margin-top: 200px
}

.certificates__title {
    font-size: 40px;
    margin: 50px;
    padding: 0;
}

.all-certificates__container {
    display: grid;
    grid-template-columns: 300px 300px;
    gap: 40px;
}

.certificate__container {
    border: 2px solid black;
    border-radius: 18px;
    width: 300px;
    height: 370px;
    display: flex;
    align-items: center;
    flex-direction: column;
    background-color: #48b;
    color: #eee;
}

.certificate-img-container {
    padding: 10px;
    margin: 0;
    max-height: 200px;
    min-height: 200px;
}

.certificate__container img {
    border: 2px solid black;
    background-color: #fff;
    border-radius: 10px;
    object-fit: contain;
    width: 100%;
    height: 100%;
}

.certificate__title {
    font-size: 21px;
    margin: 5px auto;
    padding: 0;
    text-align: center;
}

.certificate__body {
    text-align: center;
    text-wrap: pretty;
    margin: 10px;
}

.course--link {
    font-size: 18px;
    color: inherit;
    margin-top: auto;
    margin-bottom: 10px;
}

@media screen and (max-width: 800px) {
    .all-certificates__container {
        grid-template-columns: repeat(1, 300px);
    }

    .certificates {
        margin-top: 200px;
    }
}

/* FOOTER */

footer {
    margin: 0;
    padding: 0;
    width: 100%;
    height: 20vh;
    background-color: #000;
    box-sizing: border-box;
    display: grid;
    grid-template-columns: 25% 45% 30%;
}

.footer__left {
    display: flex;
    align-items: center;
    margin: auto;
}


.footer__link img {
    margin: 10px;
    width: 40px;
    height: 40px;
}

.footer__right {
    margin: auto;
    grid-column: 3;
    color: #ddd;
}

@media screen and (max-width: 800px) {
    footer {
        grid-template-columns: 25% 30% 25%;
    }
}

@media screen and (max-width: 600px) {
    footer {
        grid-template-columns: 100%;
        grid-template-rows: 50% 50%;
    }

    .footer__right {
        text-align: center;
        grid-column: 1;
        grid-row: 1;
    }

    .footer__left {
        grid-column: 1;
        grid-row: 2;
    }
}