* {
    box-sizing: border-box;
    font-family: "Oxygen", system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    margin: 0;
    padding: 0;
}

:root {
    --color-background: #030207;
    --color-white: #fff;
    --color-blue: #1474b4;
}

body {
    background-color: var(--color-background);
    color: var(--color-white);
}

a {
    color: var(--color-blue);
}

.hero {
    background: linear-gradient(rgba(0, 0, 0, 0.1), var(--color-background));
    position: relative;
    min-height: 100vh;
}

.hero__background {
    object-fit: cover;
    position: absolute;
    top: 0;
    height: 100vh;
    width: 100%;
    z-index: -10;
}

.hero__foreground {
    color: var(--color-white);
    padding-top: 40vh;
    text-align: center;
}

.hero__title {
    font-size: 5rem;
    font-weight: 300;
}

.hero__text {
    margin-top: 2rem;
    letter-spacing: 0.5rem;
    text-transform: uppercase;
}
.section {
    overflow: hidden;
    padding: 0 8rem;
    text-align: center;
}

.section__title {
    font-size: 3rem;
    font-weight: 300;
    margin: 4rem auto;
}

.section__img,
.section__img-inline {
    border-radius: .75rem;
    /* eixo x, eixo y, blur, expansão/recuo, cor */
    box-shadow: 0 1rem 2rem -0.5rem rgba(20, 116, 180, 0.25);
    object-fit: cover;
    object-position: top;
    position: relative;
    max-height: 30rem;
    width: 100%;
}

.section__text,
.section__text-inline {
    font-size: 1.25rem;
    line-height: 1.75;
    margin: 4rem auto;
}

.section__img-inline {
    border-top-left-radius: 4rem;
    border-bottom-right-radius: 4rem;
    float: left;
    margin-right: 4rem;
    margin-bottom: 2rem;
    height: 25rem;
    width: 20rem;
}

.section__text-inline {
    margin-top: 6rem;
    text-align: left;
}

.section__text-inline > p {
    margin-top: 1.5rem;
}

#hangouts img {
    object-position: center;
}

.gallery__img {
    border-radius: .75rem;
    height: 16rem;
    width: 16rem;
    object-fit: cover; 
    transform: rotate(-2deg); /* deg = degrees */
}

.gallery__img-wrapper {
    display: inline-block;
    position: relative;
}

.gallery__img-wrapper + .gallery__img-wrapper {
    margin-left: 3rem;
    margin-top: 3rem;
}

.gallery__img-wrapper:nth-child(even) > .gallery__img {
    /* 
       ATENÇÃO: Essa propriedade não foi colocada durante a aula por falta de atenção minha,
       ela é necessária para que a propriedade "top: 1rem;" abaixo tenha efeito.
       Desculpe-me pela falta de atenção ^^" 
    */
    position: relative;
    top: 1rem;
    transform: rotate(2deg);
}

.gallery__img-wrapper::after {
    content: "";
    background-color: rgb(228, 26, 26);
    border-radius: 999px;
    display: block;
    height: 1.25rem;
    width: 1.25rem;
    position: absolute;
    top: 0.25rem;
    right: 1rem;
}

.gallery__img-wrapper:nth-child(even)::after {
    left: 1rem;
}

footer {
    margin-top: 4rem;
    padding: 2rem;
    text-align: center;
}

/* ===== MEDIA QUERIES - RESPONSIVIDADE MOBILE ===== */

/* Tablets (768px e abaixo) */
@media (max-width: 768px) {
    .hero__title {
        font-size: 3rem;
    }

    .hero__text {
        font-size: 0.9rem;
        letter-spacing: 0.2rem;
    }

    .hero__foreground {
        padding-top: 30vh;
    }

    .section {
        padding: 0 2rem;
    }

    .section__title {
        font-size: 2rem;
        margin: 2rem auto;
    }

    .section__text,
    .section__text-inline {
        font-size: 1rem;
        margin: 2rem auto;
    }

    .section__img-inline {
        float: none;
        margin: 2rem auto;
        height: 20rem;
        width: 100%;
        border-top-left-radius: 2rem;
    }

    .section__text-inline {
        text-align: center;
        margin-top: 2rem;
    }

    .gallery__img {
        height: 12rem;
        width: 12rem;
    }

    .gallery__img-wrapper + .gallery__img-wrapper {
        margin-left: 1.5rem;
        margin-top: 1.5rem;
    }
}

/* Celulares (480px e abaixo) */
@media (max-width: 480px) {
    .hero__title {
        font-size: 2rem;
        font-weight: 400;
    }

    .hero__text {
        font-size: 0.75rem;
        letter-spacing: 0.1rem;
        margin-top: 1rem;
    }

    .hero__foreground {
        padding-top: 25vh;
    }

    .section {
        padding: 0 1.5rem;
        overflow-x: hidden;
    }

    .section__title {
        font-size: 1.5rem;
        margin: 1.5rem auto;
    }

    .section__text,
    .section__text-inline {
        font-size: 0.9rem;
        line-height: 1.6;
        margin: 1.5rem auto;
    }

    .section__img,
    .section__img-inline {
        border-radius: 0.5rem;
        max-height: 20rem;
    }

    .section__img-inline {
        float: none;
        margin: 1.5rem auto;
        height: 18rem;
        width: 100%;
        border-top-left-radius: 1.5rem;
        border-bottom-right-radius: 1.5rem;
    }

    .section__text-inline > p {
        margin-top: 1rem;
    }

    .gallery__img {
        height: 10rem;
        width: 10rem;
    }

    .gallery__img-wrapper + .gallery__img-wrapper {
        margin-left: 1rem;
        margin-top: 1rem;
    }

    .gallery__img-wrapper::after {
        height: 1rem;
        width: 1rem;
        top: 0rem;
        right: 0.5rem;
    }

    .gallery__img-wrapper:nth-child(even)::after {
        left: 0.5rem;
    }

    footer {
        margin-top: 2rem;
        padding: 1.5rem;
    }
}