@import url('https://fonts.googleapis.com/css2?family=Ubuntu:wght@300;400;500;700&display=swap');

:root {
    --blue: #0b3257;
    --green: #14ba9c;
    --white: #fbfdfd;
    --gray: #737373;
    --black: #1b1b1b;
}

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

html {
    font-size: 62.5%;
    font-family: 'Ubuntu', sans-serif;
    scroll-behavior: smooth;
}

body {
    min-width: 320px;
}

header {
    background-color: var(--blue);
    color: var(--white);
}

header nav {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

header nav .logo {
    width: 80px;
    height: 80px;
}

header nav ul {
    display: none;
    list-style: none;
}

header nav ul li a {
    color: var(--white);
    text-decoration: none;
    width: 90px;
    height: 30px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.3rem;
    font-weight: 300;
}

header nav ul li a:hover {
    opacity: 1;
    border: 1px solid var(--white);
    font-weight: 700;
}

header nav ul li a.button {
    color: var(--white);
    border: 1px solid var(--white);
}

.container {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

#presentation {
    background-color: var(--blue);
    color: var(--white);
    padding: 50px 50px;
}

#presentation .container {
    text-align: center;
}

#presentation h1 {
    font-size: 4.0rem;
}

#presentation h2 {
    font-size: 3.0rem;
}

#presentation p {
    font-size: 1.8rem;
}

#presentation h1 span,
#presentation h2 span {
    color: var(--green);
}

#presentation .buttons-group {
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center;
    gap: 20px;
    margin-top: 20px;
}

#presentation .buttons-group a {
    width: 140px;
    padding: 10px 20px;
    text-decoration: none;
    color: var(--white);
    font-size: 1.5rem;
}

#presentation .buttons-group a:hover {
    font-weight: 700;
}

#presentation .buttons-group a.button-contact-me {
    background-color: var(--green);
    border: 1px solid var(--green);
}

#presentation .buttons-group a.button-download-cv {
    background-color: transparent;
    border: 1px solid var(--white);
}

#presentation .buttons-group a.button-contact-me:hover,
#presentation .buttons-group a.button-download-cv:hover {
    background-color: var(--white);
    color: var(--green);
}

#about-me {
    background-color: var(--white);
    color: var(--gray);
    padding: 50px 50px;
}

#about-me h3 {
    font-size: 2.5rem;
}

#about-me .about-me-detail {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

#about-me .about-me-detail p {
    text-align: justify;
    font-size: 1.3rem;
}

#experience {
    background-color: var(--blue);
    color: var(--white);
    padding: 50px 50px;
}

#experience h3 {
    font-size: 2.5rem;
}

#experience .card-experience {
    display: flex;
    flex-direction: column;
    gap: 3px;
    background-color: var(--white);
    color: var(--gray);
    padding: 20px;
    border-radius: 2px;
}

#experience .card-experience h4 {
    font-size: 1.5rem;
    font-weight: 700;
}

#experience .card-experience p {
    text-align: justify;
    font-size: 1.3rem;
}

#experience .projects {
    margin-top: 10px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

#experience .card-project {
    color: var(--black);
    padding: 20px;
    border-radius: 2px;
    border: 2px solid var(--green);
}

#experience .card-project p {
    text-align: justify;
}

#experience .card-project ul {
    list-style: none;
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    gap: 5px;
    color: var(--white);
    margin-top: 10px;
}

#experience .card-project ul li {
    background-color: var(--green);
    color: var(--black);
    border-radius: 20px;
    padding: 3px 10px;
    font-size: 1.1rem;
    font-weight: 400;
}

footer {
    background-color: var(--black);
    color: var(--white);
    text-align: center;
    padding: 10px;
}

@media (min-width: 700px) {
    header nav {
        flex-direction: row;
        padding: 0 50px;
        justify-content: space-between;
    }

    header nav .logo {
        width: 60px;
        height: 60px;
    }

    header nav ul {
        display: flex;
        flex-direction: row;
        justify-content: center;
        align-items: center;
        gap: 10px;
    }

    #presentation {
        padding: 150px 50px;
    }

    #about-me {
        padding: 150px 50px;
    }
}

@media (min-width: 1024px) {
    header nav {
        max-width: 850px;
        margin: 0 auto;
        padding: 0;
    }

    .container {
        max-width: 850px;
        margin: 0 auto;
    }
}