rmcg.dev/projects/FrontendMentor/newbie/base-apparel-coming-soon/css/style.css

@import url("https://fonts.googleapis.com/css2?family=Josefin+Sans:wght@300;400;600&display=swap");

/*
 * Sizing
 * Desktop: 1440x800
 * Mobile: 375x800
*/

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

:root {
    /* Colors */

    --col-primary-desaturated-red: hsl(0, 36%, 70%);
    --col-primary-soft-red: hsl(0, 93%, 68%);
    --col-neutral-dark-grayish-red: hsl(0, 6%, 24%);

    --gradient-white: linear-gradient(
        135deg,
        hsl(0, 0%, 100%) 0%,
        hsl(0, 100%, 98%) 100%
    );
    --gradient-pink: linear-gradient(
        135deg,
        hsl(0, 80%, 86%) 0%,
        hsl(0, 74%, 74%) 100%
    );

    --gradient-pink-hover: linear-gradient(
        135deg,
        hsl(0, 80%, 86%) 0%,
        hsl(0, 76%, 90%) 100%
    );

    /* Typography */

    --fw-300: 300;
    --fw-400: 400;
    --fw-600: 600;

    --fs-header: 2.5rem;
    --lh-header: 105%;
    --ls-header: 0.6769rem;

    --fs-body: 0.875rem;
    --lh-body: 157%;
    --fw-body: var(--fw-400);
    --col-body: var(--col-primary-desaturated-red);

    --fs-field: 0.875rem;
    --lh-field: 200%;
    --fw-field: var(--fw-400);
    --col-field: var(--col-primary-desaturated-red);

    --fs-error: 0.8125rem;
    --lh-error: 100%;
    --fw-error: var(--fw-400);
    --col-error: var(--col-primary-soft-red);
    /* Sizing */

    --border-radius: 1.75rem;

    --adjustment-left-field-and-error: 1.5rem;
}

body {
    font-family: "Josefin Sans", sans-serif;
    height: 100vh;
    display: flex;
    justify-content: center;

    background: var(--gradient-white);
}

main {
    max-width: 31.25rem;
}

.header {
    margin: 1.875rem 2rem 2rem 2rem;
    grid-area: "logo";
}

.body {
    grid-area: "body";

    margin: 4rem 2rem 5.75rem 2rem;
    text-align: center;
}
.body__header {
    font-size: var(--fs-header);
    font-weight: var(--fw-300);
    line-height: var(--lh-header);
    letter-spacing: var(--ls-header);
    color: var(--col-primary-desaturated-red);
    text-transform: uppercase;
}

.body__header span {
    color: var(--col-neutral-dark-grayish-red);
    font-weight: var(--fw-600);
}

.body__text {
    margin-top: 1rem;

    font-size: var(--fs-body);
    line-height: var(--lh-body);
    font-weight: var(--fw-body);
    color: var(--col-body);
}

.hero-picture {
    grid-area: "hero-image";
    justify-self: end;
    margin: 0 auto;
}

.hero-picture img {
    vertical-align: bottom;
    display: block;
    margin: 0 auto;
}

.logo {
    width: 6.25rem;
    vertical-align: bottom;
}

.email-form {
    margin: 0 auto;
    margin-top: 2rem;
    /* position: relative; */
    display: flex;
    justify-content: space-between;
    border: 1px solid var(--col-field);
    text-align: center;
    width: 31ch;
    border-radius: var(--border-radius);
}
.email-form__input {
    /* width: 30ch; */
    font-size: var(--fs-field);
    line-height: var(--lh-field);
    font-weight: var(--fw-field);
    padding: 0.625rem 0 0.625rem var(--adjustment-left-field-and-error);
    border: none;
    background: inherit;
    width: 100%;
    color: var(--col-neutral-dark-grayish-red);
}

.error-border {
    border: 1px solid var(--col-error);
}

::placeholder {
    color: var(--col-field);
    opacity: 0.5;
}

.email-form__button-submit {
    /* position: absolute; */
    padding: 0.8125rem 1.6938rem 0.8125rem 1.75rem;
    border-radius: var(--border-radius);
    box-shadow: 0px 0.9375rem 1.25rem rgba(198, 110, 110, 0.247569);
    background: var(--gradient-pink);
    /* right: 0; */
    border: none;
    margin-left: 0.5rem;

    cursor: pointer;
}

.email-form__button-submit:where(:hover, :focus) {
    background: var(--gradient-pink-hover);
}

.email-form__error-message {
    color: var(--col-error);
    font-size: var(--fs-error);
    font-weight: var(--fw-error);
    text-align: left;
    margin-left: var(--adjustment-left-field-and-error);

    margin-top: 0.5rem;
}

.email-form__error-icon {
    opacity: 0;
    height: 100%;
    align-self: center;
    /* width:  */
}

.error-hidden {
    opacity: 0;
}

.error-visible {
    opacity: 1;
}

/* Screen Reader only */
.visually-hidden {
    border: 0;
    clip: rect(0 0 0 0);
    clip-path: inset(50%);
    height: auto;
    margin: 0;
    overflow: hidden;
    padding: 0;
    position: absolute;
    width: 1px;
    white-space: nowrap;
}

@media screen and (min-width: 62.5rem) {
    :root {
        --fs-header: 4rem;
        --lh-header: 100%;
        --ls-header: 1.0825rem;

        --fs-body: 1rem;
        --lh-body: 175%;

        --fs-field: 1rem;
        --lh-field: 175%;

        --lh-error: 215%;

        --adjustment-left-field-and-error: 2rem;
    }

    body {
        background: var(--gradient-white);

        margin: auto;
    }

    main {
        background-image: url(../images/bg-pattern-desktop.svg);
        background-repeat: no-repeat;
        max-width: 90rem;
        display: grid;

        grid-template-columns: repeat(2, 1fr);
        grid-template-rows: 20% 80%;
        grid-template-areas:
            "logo hero-image"
            "body hero-image";
    }

    .header {
        margin: unset;
        align-self: center;
        margin-left: 10.375rem;
    }

    .logo {
        width: unset;
    }

    .hero-picture {
        margin: initial;
    }

    .body {
        margin: unset;
        align-items: baseline;
        margin-top: 4.5rem;
        margin-left: 10.3125rem;
        text-align: start;
    }

    .body__header span {
        line-height: 111%;
    }

    .body__text {
        margin-top: 1.125rem;
        width: 45ch;
    }

    .email-form {
        margin: unset;
        margin-top: 2.5rem;
        width: 45ch;
    }

    .email-form__input {
        /* width: 80ch; */
        padding: 0.9375rem 0 0.9375rem var(--adjustment-left-field-and-error);
    }

    .email-form__button-submit {
        padding: 1.125rem 2.8188rem 1.125rem 2.875rem;
        margin-left: 1rem;
    }

    .email-form__error-message {
        margin-left: var(--adjustment-left-field-and-error);
    }
}