:root {
    --font-family: 'Chivo', sans-serif;
    /* 300, 700 */
    --accent-color: hsl(157, 74%, 62%);
    --error-color: hsl(0, 96%, 61%);
    --color-950: hsl(224, 35%, 11%);
    --color-900: hsl(225, 26%, 23%);
    --color-600: hsl(225, 21%, 45%);
    --color-300: hsl(225, 40%, 83%);
    --color-000: hsl(0, 0%, 100%);
    --spacing-50: 0.4rem;
    /* 4px */
    --spacing-100: 0.8rem;
    /* 8px */
    --spacing-200: 1.6rem;
    /* 16px */
    --spacing-300: 2.4rem;
    /* 24px */
    --spacing-400: 3.2rem;
    /* 32px */
    --spacing-450: 3.6rem;
    /* 36px */
    --spacing-500: 4.0rem;
    /* 40px */
    --spacing-550: 4.4rem;
    /* 44px */
    --spacing-600: 4.8rem;
    /* 48px */
    --spacing-700: 5.6rem;
    /* 56px */
    --spacing-800: 6.4rem;
    /* 64px */
    --spacing-1000: 8.0rem;
    /* 80px */
    --spacing-1100: 8.8rem;
    /* 88px */
    --spacing-1300: 10.4rem;
    /* 104px */
}

*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: var(--font-family);
}

html {
    font-size: 62.5%;
    /* 1rem = 10px */
    height: 100%;
    overflow-x: hidden;
    container-type: size;
}

body {
    min-height: 100%;

    overflow-x: hidden;

    background-color: hsla(224, 35%, 11%, 0.9);
    background-image: url('../mobile/image-host.jpg');
    background-blend-mode: multiply;
    background-repeat: no-repeat;
    background-size: cover;
    background-position: top center;

    color: var(--color-300);
    font-weight: 300;
    font-size: 1.4rem;
    padding: var(--spacing-450);
    line-height: 1.5;

    display: grid;
    align-items: center;
}

.container {
    height: 100%;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-700);
    place-content: center;
    text-align: center;
}

main {
    display: flex;
    flex-direction: column;
    align-items: center;
}

main h1 {
    font-size: 3.2rem;
    font-weight: 300;
    line-height: 1.2;
    color: var(--accent-color);
    text-transform: uppercase;
    margin-block-end: var(--spacing-200);
    max-width: 30ch;
}

main h1 span {
    color: var(--color-000);
}

main p {
    max-width: 40ch;
}

.platforms {
    display: grid;
    grid-template-columns: repeat(4, auto);
    gap: var(--spacing-200);
    align-items: center;
    margin-block: var(--spacing-500);

}

.platforms img {
    display: block;
    width: 100%;
    object-fit: contain;
    opacity: 0.6;
    max-height: 2.9rem;
}

.subscribe-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-100);
    width: 100%;
    max-width: 40rem;
}

.subscribe-form input,
.subscribe-form button {
    padding-inline: 2.8rem;
    padding-block: 1.2rem;
    border: none;
    border-radius: 2.8rem;
    font-weight: 700;
    font-size: 1.4rem;
}

.subscribe-form input {
    background-color: var(--color-900);
    color: var(--color-000);
}

.subscribe-form input::placeholder {
    color: hsla(0, 0%, 100%, 0.5);
}

.subscribe-form button {
    background-color: var(--accent-color);
    color: var(--color-950);
    cursor: pointer;
}

.subscribe-form button:hover,
.subscribe-form button:focus {
    background: linear-gradient(0deg, rgba(255, 255, 255, 0.5), rgba(255, 255, 255, 0.5)),
        var(--accent-color);
}

.subscribe-form input:focus,
.subscribe-form button:focus {
    outline: none;
}

.message {
    font-weight: 700;
    font-size: 1.2rem;
    margin-block-start: 1rem;
}

.success-message {
    color: var(--accent-color);

}

.error-message {
    color: var(--error-color);
}

.subscribe-form.error input[type='email'] {
    border: 0.2rem solid var(--error-color);
}

.hidden {
    display: none;
}

@container (min-width: 66.7rem) {
    body {
        background-color: var(--color-950);
        background-image: url('../desktop/bg-pattern-dots.svg'),
            url('../mobile/image-host.jpg');
        background-blend-mode: normal;
        background-position: top 77rem right -13rem, top right;
        ;
        background-size: 23.2rem 10.4rem, 46rem;
        background-attachment: fixed, fixed;
        font-size: 1.8rem;
        padding: var(--spacing-550);

    }

    .container {
        align-items: flex-start;
        text-align: left;
        gap: 1.8rem;
        /*         max-width: 59.2rem; */
    }

    main {
        background-color: var(--color-950);
        align-items: flex-start;
        padding-block-start: var(--spacing-1100);
        padding-inline-end: var(--spacing-450);
        width: 80%;
        max-width: 59.2rem;
    }

    main h1 {
        font-size: var(--spacing-600);
    }

    .platforms {
        order: 1;
        width: 96%;
        gap: var(--spacing-300);
        margin-block-start: 5.2rem;
        margin-block-end: 0;

    }

    .subscribe-form {
        margin-block-start: 4rem;
        flex-direction: row;
        max-width: 44.8rem;
        gap: 0;
        background-color: var(--color-900);
        border-radius: 2.8rem;
        overflow: hidden;
        height: 5.2rem;
        border: 0.4rem solid var(--color-900);
        justify-content: space-between;
    }

    .subscribe-form input {
        flex-grow: 1;
        text-wrap: nowrap;
    }

    .subscribe-form button {
        max-width: 17.3rem;
        padding: 1rem;
        flex-grow: 2;
        text-wrap: nowrap;
    }



    .subscribe-form.error {
        border: 0.2rem solid var(--error-color);
    }

    .subscribe-form.error input[type='email'] {
        border: none;
    }

    .message {
        margin-inline-start: 3rem;
    }
}

@container (min-width: 102.4rem) {
    body {
        background-image: url('../desktop/bg-pattern-dots.svg'),
            url('../desktop/image-host.jpg');
        background-position: top 79vh right, center right;
        background-size: 23.2rem 10.4rem, auto 65.4rem;
        background-attachment: fixed, fixed;
        justify-items: center;
    }

    .container {
        height: 65.4rem;
        justify-content: space-between;
        min-width: 80rem;
        width: 77.7%;
    }

    main {
        max-width: 73.6rem;
    }

    .platforms {
        max-width: 54.8rem;
    }
}