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

:root {
    --cyan: hsl(179, 62%, 43%);
    --byellow: hsl(71, 73%, 54%);
    --lgray: hsl(204, 43%, 93%);
    --grayblue: hsl(218, 22%, 67%);
    --font-size: 62.5%;
    --fs-body: 1rem;
    --fs-title: 1.25rem;
    --fw-400: 400;
    --fw-700: 700
}

@import url('https://fonts.googleapis.com/css2?family=Karla:ital,wght@0,200..800;1,200..800&display=swap');

h1, h2 {
    line-height: 1.1;
}

ul, li {
    list-style: none;
}

ul li {
    font-size: 14px;
}

button {
    font: inherit;
}

body {
    font-family: "Karla", sans-serif;
    font-weight: var(--fw-400);
    font-size: var(--fs-body);
    line-height: 1.5;
    color: var(--grayblue);
    background-color: var(--lgray);
}

.title {
    font-size: var(--fs-title);
    font-weight: var(--fw-700);
}

.subtitle {
    font-size: var(--fs-body);
    font-weight: var(--fw-700);
    color: var(--byellow);
}

.price-col, .price-row-top {
    padding: 1.5rem;
}

.price-row-top {
    padding-bottom: 2rem;
}

.price-row-top * + * {
    margin-top: 1rem;
}

.subscrip * + * {
    margin-top: .3rem;
}

.container {
    max-width: 700px;
    border-radius: .5rem;
    margin: 4rem 1.75rem;
    background-color: white;
    overflow-y: hidden;
}

.price-row-bottom > *:nth-child(1) {
    background-color: var(--cyan);
    color: var(--lgray);
}

.price-row-bottom > *:nth-child(2) {
    background-color: hsla(179, 62%, 43%, 0.8);
    color: var(--lgray);
}

.price-col--title {
    font-size: 1.2rem;
    font-weight: var(--fw-700);
}

.price-col-amouth {
    font-size: 1.75rem;
    font-weight: var(--fw-700);
}

.price-col-amouth span {
    font-size: .9rem;
    font-weight: var(--fw-400);
    opacity: 70%;
}

.why-us .price-col--title {
    margin-bottom: 1rem;
}

.signup-btn {
    display: block;
    width: 100%;
    padding: .7rem;
    margin-top: 2rem;
    color: var(--lgray);
    font-weight: var(--fw-700);
    background-color: var(--byellow);
    border: none;
    border-radius: 0.3rem;
}

@media screen and (min-width: 650px) {
    .price-row-bottom {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
    }

    .price-col {
        place-content: center;
    }

    .price-col, .price-row-top {
    padding: 2rem;
    }

    .price-row-top {
        padding: 3rem 2rem;
    }

    .wrapper {
        display: grid;
        place-items: center;
        height: 100vh;
    }

    .container {
        max-width: 650px;
    }
}