:root {
    /* ------------------- FONT FAMILY ------------------- */
    --font-family-header: "Open Sans", sans-serif;
     --font-family-body: "Poppins", sans-serif;

    /* ------------------- FONT WEIGHT ------------------- */
    --font-weight-regular:400;
    --font-weight-bold:600;

    /* ------------------- FONT SIZE ------------------- */
    --font-size-sm:1.2rem;
    --font-size-md:1.6rem;
    --font-size-lg:3rem;

    /* ------------------- LINE HEIGHT ------------------- */
    --line-height:1.6;

    /* ------------------- COLORS ------------------- */
    --primary-bg:hsl(257, 40%, 49%);
    --hover-bg:hsl(300, 69%, 71%);
    --white:hsl(0, 0%, 100%);

}

html {
    font-size: 62.5%;
}

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

body{
    background-image: url("images/bg-desktop.svg");
    background-color: var(--primary-bg);
    background-repeat: no-repeat;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.huddle-landing-page {
    max-width: 1300px;
    width: 90%;
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 3rem;
}

.header {
    align-self: flex-start;
    font-family: var(--font-family-header);
    color: var(--white);
    font-size: var(--font-size-md);
    display: flex;
    align-items: center;
    gap: 1rem;
}

.huddle__content {
    font-family: var(--font-family-body);
    display: flex;
    align-items: center;
    gap: 2rem;
    margin: 0 auto;
}

.huddle__content img {
    width: 50%;
}

.huddle__text{
    color: var(--white);
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.huddle_heading {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
}

.huddle_paragraph {
    font-size: var(--font-size-md);
    font-weight: var(--font-weight-regular);
    line-height: var(--line-height);
}

.register-btn {
    align-self: flex-start;
    text-decoration: none;
    font-size: var(--font-size-md);
    font-weight: var(--font-weight-regular);
    background-color: var(--white);
    color: var(--primary-bg);
    padding: 1rem 4rem;
    border-radius: 2rem;
}

.register-btn:hover, .register-btn:active {
    background-color: var(--hover-bg);
    color: var(--white);
}

.social-icons {
    align-self: flex-end;
    display: flex;
    gap: 2rem;
    
}
.icons{
    height: 4rem;
    width: 4rem;
    border: 1px solid var(--white);
    border-radius: 50%;
    padding: 1rem;
    cursor: pointer;
}

.message-icon {
    height: 2.5rem;
    width: 2.5rem;
}

.attribution {
    font-size: var(--font-size-md);
    font-weight: var(--font-weight-regular);
    color: var(--white);
}

.attribution a:link, .attribution a:visited {
    color: var(--white);
    text-decoration: underline;
}

.attribution a:hover, .attribution a:active {
    color: var(--hover-bg);
}



@media (max-width: 45rem) {
    html {
        font-size: 50%;
    }

    body {
        background-image: url("images/bg-mobile.svg");
        background-repeat: no-repeat;
    }

    .huddle-landing-page {
        height: auto;
        padding: 3rem 1rem;
    }

    .header {
        margin-bottom: 5rem;
    }

    .huddle__content {
        flex-direction: column;
        gap: 5rem;
    }

    .huddle__content img {
        width: 90%;
    } 

    .huddle__text {
        text-align: center;
        align-items: center;
    }

    .register-btn {
        align-self: center;
        margin-bottom: 5rem;
    }

    .social-icons {
        align-self: center;
    }
}