:root {
    --clr-pink: hsl(322, 100%, 66%);
    --clr-light-pink: hsl(321, 100%, 78%);
    --clr-light-red: hsl(0, 100%, 63%);
    --clr-very-dark-cyan: hsl(192, 100%, 9%);
    --clr-very-pale-blue: hsl(207, 100%, 98%);

    --ff-default: "Open Sans", sans-serif;
    --ff-headings: "Poppins", sans-serif;

    --fw-400: 400;
    --fw-600: 600;
    --fw-700: 700;
}

body {
    font-size: 0.875rem;
    font-family: var(--ff-default);
    font-weight: var(--fw-400);
    color: var(--clr-very-dark-cyan);
}

/* Helper classes */

.flex {
    display: flex;
    align-items: center;
}

/* Text styles */

section {
    text-align: center;
}

.section-title {
    font-family: var(--ff-headings);
    font-weight: var(--fw-700);
}

.header-btn {
    font-size: 0.675rem;
    font-weight: var(--fw-600);
    text-transform: capitalize;
    color: var(--clr-pink);
}

.hero .section-title {
    font-size: 1.5rem;
    line-height: 1.4;
}

.hero .paragraph {
    margin: 1rem 0 2rem;
}

.hero-stats h2 {
    font-size: 4rem;
}

.hero-stats-desc {
    font-weight: var(--fw-600);
}

.body-btn {
    font-weight: var(--fw-600);
    color: var(--clr-very-pale-blue);
}

.grow .section-title,
.flowing .section-title,
.users .section-title {
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.cta .section-title {
    font-size: 1.625rem;
    margin-bottom: 2rem;
}

.newsletter-title {
    font-size: 1.25rem;
    text-transform: uppercase;
}

.newsletter-paragraph {
    margin: 1rem 0;
}

.newsletter-btn {   
    font-size: 0.875rem;
    font-weight: var(--fw-600);
    color: var(--clr-very-pale-blue);
}

.footer-section .paragraph {
    margin: 1rem 0;
}

/* General styles */

header {
    padding: 1.75rem 1.5rem;
    justify-content: space-between;
}

.header-logo {
    max-width: 100px;
}

.header-btn {
    background-color: transparent;
    padding: 0.25rem 1.25rem;
    border: 1px solid var(--clr-pink);
    border-radius: 3rem;
}

.hero {
    padding: 6rem 2rem 3rem;
    text-align: center;
}

.hero-container,
.hero-content {
    margin-bottom: 6rem;
}

.body-btn {
    background-color: var(--clr-pink);
    padding: 0.625rem 2.5rem;
    border: none;
    border-radius: 3rem;
}

.hero-stats {
    flex-direction: column;
    gap: 6rem;
}

.communities::before {
    content: '';
    background-image: url(../images/icon-communities.svg);
    background-repeat: no-repeat;
    display: block;
    width: 47px;
    height: 41px;
}

.messages::before {
    content: '';
    background-image: url(../images/icon-messages.svg);
    background-repeat: no-repeat;
    display: block;
    width: 48px;
    height: 40px;
}

.bg-top img,
.bg-bottom img {
    min-width: 100%;
}

.grow-content {
    background-color: var(--clr-very-pale-blue);
    padding: 6rem 2rem 3rem;
}

.flowing-content {
    padding: 6rem 2rem;
}

.users-content {
    background-color: var(--clr-very-pale-blue);
    padding: 3rem 2rem 6rem;
}

.grow-content,
.flowing-content,
.users-content {
    flex-direction: column;
    gap: 5rem;
}

.grow-content img,
.flowing-content img,
.users-content img {
    max-width: 90%;
}

.cta {
    padding: 3rem 2rem 6rem;
    text-align: center;
}

.footer-content {
    background-color: var(--clr-very-dark-cyan);
    color: var(--clr-very-pale-blue);
    padding: 2rem;
    flex-direction: column-reverse;
    align-items: flex-start;
    gap: 6rem;
}

.newsletter-form {
    flex-direction: column;
    align-items: flex-end;
    gap: 0.75rem;
}

.newsletter-input {
    min-width: 100%;
    padding: 0.625rem;
    border: none;
    border-radius: 0.25rem;
}

.newsletter-btn {
    background-color: var(--clr-pink);
    padding: 0.625rem 2.5rem 0.625rem;
    border: none;
    border-radius: 0.25rem;
}

.footer-logo {
    max-width: 200px;
}

.contact-container {
    gap: 1rem;
}

.contact-container:first-of-type {
    margin-bottom: 1rem;
}

@media (min-width: 768px) {

    section {
        text-align: left;
    }

    .grow .section-title,
    .flowing .section-title,
    .users .section-title {
        font-size: 1.5rem;
    }

    .cta .section-title {
        font-size: 2rem;
        margin-bottom: 2rem;
    }

    body {
        font-size: 1rem;
    }

    .body-btn {
        padding: 1rem 4.5rem;
    }

    .header-logo {
        max-width: 160px;
    }

    .header-btn {
        padding: 0.25rem 1.25rem;
        border-radius: 3rem;
    }

    .hero {
        padding: 6rem 8rem 3rem;
    }

    .hero-stats {
        flex-direction: row;
        justify-content: space-between;
        margin-bottom: 2rem;
    }

    .grow-content,
    .users-content {
        flex-direction: row-reverse;
        justify-content: space-between;
    }
    
    .flowing-content {
        flex-direction: row;
        justify-content: space-between;
    }

    .grow-content img,
    .flowing-content img,
    .users-content img {
        max-width: 40%;
    }

    .cta {
        padding: 6rem 2rem;
        text-align: center;
    }

    .footer-content {
        padding: 4rem 2rem;
        flex-direction: row;
        align-items: flex-start;
        justify-content: space-between;
    }
    
    .newsletter-form {
        flex-direction: row;
        align-items: stretch;
        gap: 1.5rem;
    }

    .newsletter-input {
        min-width: calc(100% - 10.625rem);
    }
}

@media (min-width: 1280px) {

    header {
        padding: 4rem 6rem;
    }

    .header-logo {
        max-width: 200px;
    }

    .header-btn {
        font-size: 0.75rem;
    }

    .hero .section-title {
        font-size: 2.25rem;
    }

    .grow .section-title,
    .flowing .section-title,
    .users .section-title {
        font-size: 2rem;
    }

    .hero {
        max-width: 1024px;
        padding: 6rem 8rem 3rem;
        margin: 0 auto;
    }

    .hero-content .paragraph {
        max-width: 65%;
        margin: 1rem auto 2rem;
    }

    .grow-content {
        background-color: var(--clr-very-pale-blue);
        padding: 6rem 6rem 3rem;
    }
    
    .flowing-content {
        padding: 6rem 6rem;
    }
    
    .users-content {
        background-color: var(--clr-very-pale-blue);
        padding: 3rem 6rem 6rem;
    }

    .grow-content-text,
    .flowing-content-text,
    .users-content-text {
        max-width: 44%;
    }

    .footer-content {
        padding: 4rem 6rem;
    }

    .footer-section {
        max-width: 34%;
    }


    .footer-newsletter {
        min-width: 48%;
    }

    .newsletter-paragraph {
        max-width: 390px;
    }
}