* {
    box-sizing: border-box;
}

body {
    font-family: 'Open-sans', sans-serif;
    font-size: 14px;
    color: #FFF;
    margin: 0;
}

h1,
h2,
h3,
h4,
h5,
h6, 
.nav,
.btn {
    font-family: 'Raleway', sans-serif;
    font-weight: 700;
}

/* img {
    width: 100%;
} */

/* links */
a {
    color: inherit;
    text-decoration: none;
}

a:link {
    text-decoration: none;
}

a:hover {
    cursor: pointer;
}

/* buttons */
.btn {
    border: none;
    background-image: linear-gradient(to right, #65e2d9, #49d2da, #33c1d8, #2bb0d4, #339ecc);
    color: #FFF;
    border-radius: 25px;
    padding: 1em 2em;
    margin: 1em;
}

.intro-button {
    padding: 1em 5em;
}

.btn:hover {
    cursor: pointer;
}

/* header */
header {
    background-color: #1C2431;
    padding: 1.5em;
    background-image: url('../images/bg-curvy-mobile.svg');
    background-position: bottom;
    background-repeat: no-repeat;
}

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

.nav img {
    width: 60%;
}

.nav__navbar {
    display: flex;
    padding-left: 0;
    margin-left: auto;
}

.nav__navbar li {
    margin: 0 1em;
}

.nav__navbar li:nth-last-child(1) {
    margin-right: 0;
}

ul {
    list-style: none;
}

/* main */
main {
    background-color: #181F2A;
    padding: 2em;
}

.illustration {
    width: 100%;
}

.intro {
    text-align: center;
    padding-top: 3em;
}

.features-container {
    margin: auto;
    text-align: center;
    padding-bottom: 3em;
}

.feature {
    margin: 4em 2em;
}

.product-feature {
    margin: 2em auto 10em;
}

.product-img {
    flex-basis: 60%;
}

.product-text {
    flex-basis: 40%;
    padding-left: 2em;
}

.product-text h1 {
    font-size: 2em;
}

.product-link {
    color: #65e2d9;
    border-bottom: 1px solid #65e2d9;
    padding-bottom: 5px;
    font-size: 16px;
}

/* testimonials */
.testimonials {
    background-image: url(../images/bg-quotes.png);
    background-repeat: no-repeat;
    padding-top: 1.5em;
}

.testimonial__card {
    background-color: #202A3C;
    border-radius: 5px;
    padding: 1em;
    margin: 1em;
}

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

.testimonial__client {
    margin-left: 1em;
}

.profile-image {
    width: 50px;
    height: 50px;
    border-radius: 50%;
}

.testimonial__client-name {
    font-weight: 700;
    margin-bottom: 0;
}

.testimonial__client-job {
    font-size: 0.75em;
}

/* cta subscribe */
.cta-subscribe {
    background-color: hsl(217, 28%, 15%);
    width: 95%;
    margin: auto;
    padding: 2em;
    text-align: center;
    border-radius: 10px;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.4);
    position: relative;
    top: 14em;
}

.cta-subscribe-email {
    width: 90%;
    border: none;
    border-radius: 25px;
    padding: 1em 2em;
    margin: 1em;
}

.cta-subscribe-button {
    width: 90%;
}

/* footer */
footer {
    background-color: #0B1523;
    padding: 16em 2em 1em 2em;
}

.footer-fylo-wrapper > div {
    margin: 1em;
}

.footer-logo {
    margin-bottom: 3em;
}

.footer-fylo-location {
    display: flex;
}

.contact-detail {
    display: flex;
}

.contact-icon {
    width: 20px;
    margin-right: 1em;
}

.footer-fylo-menu ul {
    padding: 0.5em 0 0 1em;
    margin: 2em 0;
}

.footer-fylo-menu ul > li {
    margin-bottom: 1em;
}

.footer-fylo-social {
    padding-top: 0.5em;
    text-align: center;
}

ion-icon {
    font-size: 24px;
    margin: 0 5px;
}

.attribution {
    font-size: 11px;
    text-align: center;
    margin-top: 5em;
}

.attribution a {
    color: hsl(228, 45%, 44%);
}

/* media queries */

/* tablet */
@media screen and (min-width: 376px) and (max-width: 768px) {
    header {
        background-image: url('../images/bg-curvy-desktop.svg');
    }
    .intro {
        width: 70%;
        margin: 3em auto;
    }
    .features-container {
        width: 70%;
    }
    .cta-subscribe {
        width: 90%;
    }
    .footer-fylo-wrapper {
        display: flex;
        flex-wrap: wrap;
    }
    .footer-fylo-location {
        flex-basis: 60%;
    }
    .footer-fylo-social {
        flex-basis: 100%;
    }
}

/* desktop */
@media screen and (min-width: 769px) {
    .nav__navbar {
        font-size: 1.5em;
    }
    .intro {
        width: 50%;
        margin: 3em auto;
    }
    header {
        background-image: url('../images/bg-curvy-desktop.svg');
    }
    .features-container {
        display: grid;
        grid-template-columns: 1fr 1fr;
        grid-gap: 5em;
        align-items: center;
    }
    .product-feature {
        display: flex;
        flex-wrap: wrap;
    }
    .product-text {
        display: flex;
        flex-direction: column;
        align-self: center; 
    }
    .product-link {
        width: fit-content;
    }
    .testimonials {
        display: flex;
        justify-content: space-between;
    }
    .testimonial__card {
        flex-basis: 33%;
    }
    .cta-subscribe {
        width: 60%;
    }
    .cta-subscribe-text {
        width: 80%;
        margin: 2em auto;
    }
    .cta-subscribe-form {
        display: flex;
    }
    .cta-subscribe-email {
        flex-basis: 70%;
    }
    .cta-subscribe-button {
        flex-basis: 30%;
    }
    .footer-fylo-wrapper {
        display: grid;
        grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
    }
    .footer-fylo-menu ul {
        padding-left: 1em;
        margin: 0;
    }
}