/* Sizes
    Mobile: 375x667
    Tablet: 768x1024
    Desktop: 1440x900
*/

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

input {
    font-size: inherit;
    line-height: inherit;
}

:root {
    /* Line Height */
    --lh-28px: 1.75rem;
    --lh-25px: 1.5625rem;
    --lh-38px: 2.375rem;
    --lh-56px: 3.5rem;
    --lh-62px: 3.875rem;

    /* Colors */
    --col-lime-green: hsla(157, 74%, 62%, 1);
    --col-lime-green-hover: hsla(157, 100%, 85%, 1);

    --col-dark-blue: hsla(225, 26%, 23%, 1);
    --col-darker-blue: hsl(225, 36%, 11%);

    --col-light-blue: hsla(225, 21%, 45%, 1);
    --col-lighter-blue: hsla(225, 40%, 83%, 1);

    --col-white: hsla(0, 0%, 100%, 1);

    /* Fonts */

    --ff-chivo: "Chivo", sans-serif;
    --fs-14px: 0.875rem;
    --fs-15px: 0.9375rem;
    --fs-18px: 1.125rem;
    --fs-48px: 3rem;
    --fs-52px: 3.25rem;
    --fs-26px: 1.625rem;

    --background-image: url(../assets/mobile/image-host.jpg);
    --background-image-opacity: 0.9;

    --text-alignment: center;

    --logos-height-17px: 1.0625rem;
    --logos-height-29px: 1.8125rem;

    --border-radius: 28px;

    --title-margin-bottom: 1rem;

    /* Variables for Elements */
    --fs-title: var(--fs-26px);
    --lh-title: var(--lh-38px);
    --fs-blurb: var(--fs-15px);
    --lh-blurb: var(--lh-25px);

    --logos-height: var(--logos-height-17px);

    /* Email Waring */
    --warning-visible: visible;
    --fs-warning: 0;
}

body {
    width: 100%;
    min-height: 100vh;

    font-family: "Chivo", sans-serif;
    font-size: 0.875rem;

    display: flex;
    flex-direction: column;

    /* Turned off for mobile so I can get exact match */
    /* align-items: center;
    justify-content: center; */

    background-color: var(--col-darker-blue);
    color: var(--col-lighter-blue);

    text-align: var(--text-alignment);

    background-image: var(--background-image);
    background-repeat: no-repeat;
}

header {
    /* Added to get exact mobile match */
    margin-top: 3.875rem;
    margin-bottom: 3.5rem;
}

main::before {
    content: " ";
    background-color: var(--col-darker-blue);

    mix-blend-mode: normal;

    position: absolute;
    top: 0px;
    right: 0px;
    bottom: 0px;
    left: 0px;
    /* opacity: var(--background-image-opacity); */
    opacity: var(--background-image-opacity);
    z-index: -1;
}

main {
    display: flex;
    flex-direction: column;

    padding: 0 1.5rem;
}

.logo {
    order: 1;
    /* margin-bottom: 3.5625rem; */
    height: 3.5rem;
}

.title {
    order: 2;
    color: var(--col-lime-green);

    font-size: var(--fs-title);
    line-height: var(--lh-title);

    text-transform: uppercase;

    margin-bottom: var(--title-margin-bottom);
    font-weight: normal;
}

.title span {
    color: var(--col-white);
}
.blurb {
    order: 3;
    font-size: var(--fs-blurb);
    line-height: var(--lh-blurb);
    margin-bottom: 2rem;
}
.logos-section {
    order: 4;
    margin-bottom: 3rem;

    display: flex;
    flex-direction: row;
    flex-wrap: nowrap;
    justify-content: space-between;
    height: var(--logos-height);
}

.logos-section img {
    height: var(--logos-height);
}

.email-form {
    order: 5;
    font-size: var(--fs-14px);
    line-height: var(--lh-28px);
}

.email-form:is(:invalid):has(.email-form__field:is(:placeholder-shown)) {
    --fs-warning: 0;
}
.email-form:where(:invalid) {
    --fs-warning: 14;
}

.email-form:is(:valid) {
    --fs-warning: 0;
}

.email-form__field {
    width: 100%;
    border-radius: var(--border-radius);
    background-color: var(--col-dark-blue);
    padding: 0.5625rem 0;
    color: var(--col-lighter-blue);
    margin-bottom: 1rem;
    padding-left: 2rem;
    border-width: 0px;
}

.email-form__field:is(:active, :focus, :not(:placeholder-shown)) {
    color: var(--col-white);
}

.email-form__button-submit {
    width: 100%;
    border-radius: var(--border-radius);
    background-color: var(--col-lime-green);
    padding: 0.5625rem 0;
    color: var(--col-darker-blue);
    border-width: 0px;
}

.email-form__button-submit:hover,
.email-form__button-submit:focus {
    background-color: var(--col-lime-green-hover);
}

.email-warning {
    font-size: var(--fs-warning);
    color: red;
    position: relative;
    bottom: -5px;
    height: 0;
}

.dots-image {
    visibility: hidden;
}

/* Tablet */
@media screen and (min-width: 760px) {
    :root {
        --background-image: url(../assets/tablet/image-host.jpg);
        --text-alignment: unset;
        --background-image-opacity: 1;
        --fs-title: var(--fs-48px);
        --lh-title: var(--lh-56px);
        --fs-blurb: var(--fs-18px);
        --lh-blurb: var(--lh-28px);

        --logos-height: var(--logos-height-29px);

        --title-margin-bottom: 2rem;
    }

    body {
        /* align-items: center; */
        justify-content: center;

        background-position: top right;
    }

    header {
        position: absolute;
        top: 0px;
        left: 0px;
        margin-top: 3.125rem;
        margin-left: 2.4375rem;
    }

    main {
        padding: unset;
        width: 39.6875rem;
        height: 31.875rem;
        padding-top: 5.75rem;
        margin-left: 2.4375rem;
    }

    .title {
        width: 25ch;
    }

    .blurb {
        width: 40ch;
        margin-bottom: 2.5rem;
    }

    .logos-section {
        order: 5;
        margin-bottom: unset;
        justify-content: space-evenly;
    }

    .email-form {
        order: 4;
        margin-bottom: 4rem;
        position: relative;
    }

    .email-form__field {
        width: 48ch;
        z-index: -1;
    }

    .email-form__button-submit {
        width: unset;
        padding: 0.5625rem 1.6875rem;
        position: relative;
        right: 10rem;
    }

    .email-warning {
        bottom: 1.25rem;
        padding-left: 2rem;
    }

    .dots-image {
        visibility: visible;
        position: absolute;

        bottom: 0px;
        left: 1.875rem;
    }

    main::before {
        background-color: unset;
    }

    main {
        background-color: var(--col-darker-blue);
    }
}

/* Desktop */
@media screen and (min-width: 1430px) {
    :root {
        --background-image: url(../assets/desktop/image-host.jpg);

        --fs-title: var(--fs-52px);
        --lh-title: var(--lh-62px);

        --title-margin-bottom: 1.5rem;
    }

    body {
        background-position: center right;
    }

    header {
        margin-top: 6.375rem;
        margin-left: 10.3125rem;
    }

    main {
        padding-top: 5.5rem;
        margin-left: 10.3125rem;
        width: 45.25rem;
    }

    .dots-image {
        bottom: 4.875rem;
        right: 0px;
        left: unset;
    }
}