:root {
    --primary-color: #0f172a;
    --secondary-color: #131c39;
    --color-cards: #1e293b;
    --color-key: #6366f1;
    --color-text: #e2e8f0;
}

* {
    box-sizing: border-box;
    font-family: "Jost", sans-serif;
    padding: 0;
    margin: 0;
}

.dark {
    background-color: var(--primary-color);
    color: var(--color-text);
}

.btn {
    background-color: var(--primary-color);
    margin-top: 2rem;
    text-decoration: none;
    color: var(--color-text);
    padding: .8rem 2.5rem;
    text-transform: uppercase;
    font-weight: 400;
    letter-spacing: .1rem;
    border-radius: .2rem;
}

.btn_second {
    color: var(--primary-color);
    margin-top: 2rem;
    text-decoration: none;
    background-color: #fff;
    padding: .8rem 2.5rem;
    text-transform: uppercase;
    font-weight: 400;
    letter-spacing: .1rem;
    border-radius: .2rem;
}


.wrapper_center {
    max-width: 80rem;
    margin: auto;
}

.principal_header #init {
    display: none;
}

.principal_header ul {
    width: 100%;
    list-style-type: none;
    text-align: center;
    cursor: pointer;
}

.principal_header ul li {
    padding: 1.4rem 0;
}

.principal_header ul li:hover {
    background-color: var(--secondary-color);
}

.principal_header a {
    color: var(--color-text);
    text-decoration: none;
    text-transform: uppercase;
    font-weight: 600;
    padding: 1.4em;
}

.hero {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin: 1rem 0 3.5rem;
    padding: .1rem;
    text-align: center;
}

.hero h1 {
    font-size: 4rem;
    line-height: 3.3rem;
    letter-spacing: .2rem;
    color: var(--primary-color);
    font-weight: 400;
    padding: 1rem;
}

.hero p {
    letter-spacing: .2rem;
    font-weight: 200;
}

.hero .hero_principal_p {
    font-size: 2.5rem;
    margin-bottom: 1.2rem;
    line-height: 2.6rem;
    padding: 0 1rem;
}

.hero .hero_second_p {
    text-transform: uppercase;
    font-size: .9rem;
    margin-bottom: 2rem;
    padding: 0 1rem;
}

h2 {
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: .2rem;
}

.main {
    padding: 1rem;
}

.main .card {
    padding: 2rem;
    text-align: center;
    background-color: var(--color-cards);
    margin: 2rem;
    border-radius: .5rem;
}

.main .card p {
    margin-bottom: 3rem;
    font-weight: 300;
}

.hard_skills {
    margin: 2rem;
}

.hard_skills ul {
    display: flex;
    flex-direction: column;
    align-items: center;
    list-style: none;
    margin: auto;
}

.hard_skills li {
    padding: 1rem;
    width: 100%;
    text-align: center;
    border: 1px solid var(--primary-color);
    margin: 1rem 0;
}

.hard_skills ul a {
    text-decoration: none;
    text-transform: uppercase;
    font-size: 1rem;
    font-weight: 600;
    color: var(--primary-color);
    letter-spacing: .1rem;
}

.footer-container .ul {
    margin: 1rem 0 0;
    padding: 2rem 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    list-style: none;
}

.footer-container h2 {
    text-align: center;
    padding-top: 2rem;
}

.footer-container a {
    margin: 1.5rem;
    font-size: 1.5rem;
    font-weight: 400;
    letter-spacing: .3rem;
    text-decoration: none;
    color: var(--color-text);

    display: flex;
    align-items: center;
    gap: 1rem;
}

.footer-container span {
    color: var(--color-text);
    font-size: 1.5em;
}

.row {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: .5rem;
    grid-auto-flow: dense;
    padding: 0 1rem;
}

.row>.sm-12 {
    grid-column: 1 / -1;
}

.copyright {
    text-align: center;
    font-size: 1rem;
    margin-top: 1rem;
}

@media screen and (min-width: 48em) {
    .principal_header ul {
        display: flex;
        justify-content: space-evenly;
        align-items: center;
        padding: 1.5rem;
    }

    .wrapper_center {
        margin: 2rem;
    }

    .hero h1 {
        font-size: 7rem;
        letter-spacing: .5rem;
        line-height: 5.8rem;
        margin-bottom: 2rem;
        padding: 0rem 3.5rem;
    }

    .hero .hero_principal_p {
        margin: 0 .5rem 1rem;
        letter-spacing: .5rem;
        font-size: 3rem;
    }

    .hero .hero_second_p {
        margin-bottom: 5rem;
    }

    .main {
        padding: 0 2rem;
    }

    .main .card {
        display: flex;
        flex-direction: column;
    }

    .main .card a {
        margin-top: auto;
    }

    .row>.lg-1-7 {
        grid-column: 1 / 7;
    }

    .row>.lg-7-13 {
        grid-column: 7 / 13;
    }

    .footer-container .ul {
        flex-direction: row;
        justify-content: space-around;
        align-items: center;
        margin-top: 3rem;
        padding: 0;
        flex: 1;
    }

    .footer-container a {
        font-size: 1.3rem;
    }
}

@media screen and (min-width: 62.6em) {
    .hero h1 {
        padding: 0rem 14rem;
    }
}