:root {
    --color-bg: white;
    --color-additional: #333333;
    --color-secondary: #5b5b5b;
    --color-accent: #B59571;
    --color-accent-transparent: #b59571a6;
    --color-accent-dark: #987e5f;
    --color-invalid: #d11212;

    --fs-min: 1rem;
    --fs-max: 2rem;
}

@font-face {
    font-family: 'Circe';
    src: url('../assets/fonts/Circe-Regular.ttf') format('truetype');
    font-weight: normal;
    font-style: normal;
    font-display: swap;
}

::selection {
    background-color: var(--color-accent);
    color: var(--color-bg);
}

* {
    margin: 0;
    -webkit-tap-highlight-color: transparent;
}

html {
    scroll-behavior: smooth;
    font-size: clamp(var(--fs-min), calc(var(--fs-min) + 0.4vw), var(--fs-max));

    scrollbar-color: var(--color-bg) rgba(0, 0, 0, 0.6);
}

html.fixed {
    overflow-y: hidden;
}

body {
    display: flex;
    flex-direction: column;
    gap: 4vh;
    min-height: 100vh;
    font-family: "Circe";
    color: var(--color-additional);
    font-weight: 400;
    line-height: 142%;
}

#overlay {
    visibility: hidden;
    opacity: 0;
    background-color: rgba(0, 0, 0, 0.45);
    backdrop-filter: blur(2px);
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1000;

    transition: 0.3s;
    will-change: visibility, opacity;
}

#overlay.active {
    visibility: visible;
    opacity: 1;
}
header {
    position: fixed;
    width: 100%;
    display: flex;
    justify-content: flex-end;
    z-index: 100;
    background-color: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(5px);
    box-shadow: 0px -10px 5px 2px black;
}

header nav, .header-button-block {
    padding: 15px;
    display: flex;
    align-items: center;
    gap: 2vw;
    flex-wrap: wrap;
}

.js-enabled {
    .header-link, .header-button-block {
        display: none;
    }

    #burger-button {
        display: flex;
    }
}

#burger-button {
    padding: 6px 8px;
    display: none;
    align-items: center;
    justify-content: center;
    font-size: 20px;

    background-color: var(--color-accent-transparent);
    backdrop-filter: blur(4px);
    border-radius: 10%;
    outline: 2px solid var(--color-secondary);
    box-shadow: 0 0 5px var(--color-additional);
    color: var(--color-bg);
    cursor: pointer;

    transition: 0.25s;
    user-select: none;

    will-change: background-color, box-shadow;

    &:hover, &:focus {
        box-shadow: 0 0 10px var(--color-accent-dark);
    }

    &:active {
        background-color: var(--color-accent-dark);
    }
}
main {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: clamp(10px, 4vh, 110px);

    flex: 1 0 auto;
}
footer
{
    background: var(--color-additional);
    display: flex;
    flex-direction: column;
    align-items: stretch;

    padding: 25px clamp(5px, 5vw, 100px);

    font-size: 0.89rem
}

.footer-content
{
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: clamp(10px, 5vh, 50px);

    flex-wrap: wrap;
}

.footer-content h2
{
    color: var(--color-bg);
    font-weight: 400;
    font-size: 1rem;

    grid-row: 1;
    grid-column: 1;
}

.footer-attribution
{
    display: grid;
    grid-template-columns: minmax(auto, 240px) minmax(auto, 190px) minmax(auto, 190px);
    grid-template-rows: auto auto;
    column-gap: clamp(5px, 1vw, 8px);
    row-gap: clamp(5px, 2vh, 20px);

    justify-content: stretch;
    align-items: stretch;

    width: 100%;
}

.footer-links-block
{
    grid-row: 2;
    grid-column: 1;

    display: flex;
    gap: 1vw;
}

.footer-github-link
{
    grid-row: 1;
    grid-column: 2;
}

.footer-main-page-link
{
    grid-row: 1;
    grid-column: 3;
}

.footer-link-block
{
    color: var(--color-bg);
}

.footer-links-subblock
{
    display: flex;
    flex-direction: column;
    gap: 2vh;
}
[name="submit"],
button {
    all: unset;
}

.button {
    text-decoration: none;
    color: var(--color-bg);
    background-color: var(--color-accent);

    padding-right: 10px;
    padding-left: 10px;
    padding-bottom: 5px;
    padding-top: 5px;
    border-radius: 1px;
    transition: 0.25s;

    user-select: none;
    cursor: pointer;

    font-size: 0.94rem;

    will-change: background-color, box-shadow;

    &:hover, &:focus {
        box-shadow: 0 0 20px var(--color-accent-dark);
    }

    &:active {
        background-color: var(--color-accent-dark);
    }
}

.menu-link {
    color: var(--color-bg);
    transition: 0.25s;
    text-decoration: none;
    user-select: none;
    cursor: pointer;

    will-change: text-shadow;

    &:hover, &:focus {
        text-shadow: 20px 5px 1px var(--color-accent-dark);
    }

    &:active {
        text-shadow: 20px 5px 1px var(--color-secondary);
    }
}

.footer-link {
    user-select: unset;
}
#burger-menu {
    visibility: hidden;
    opacity: 0;

    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1001;
    background-color: var(--color-additional);

    display: flex;
    flex-direction: column;
    align-items: center;

    transition: 0.3s;

    transform: translateY(-100%);
}

#burger-menu.active {
    visibility: visible;
    opacity: 1;
    transform: translateY(0%);
}

.burger-menu-header {
    color: var(--color-accent);
    margin-top: 5vh;
    font-size: 1.3rem;
}

.burger-menu-content {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 1vh;
}

#burger-close-button {
    margin-bottom: 5vh;
    font-size: 1.1rem;

    &:hover, &:focus {
        text-shadow: 10px 5px 1px var(--color-accent-dark);
    }

    &:active {
        text-shadow: 10px 5px 1px var(--color-secondary);
    }
}
.js-enabled
{
    #book-modal
    {
        bottom: 0;
        top: 0;
        left: 0;
        right: 0;

        z-index: 1001;

        transform: scale(0);
    }
}

dialog
{
    all: unset;
}

#book-modal
{
    visibility: hidden;
    opacity: 0;
    position: fixed;

    display: flex;
    justify-content: center;
    align-items: center;

    transition: 0.3s;
    will-change: visibility, opacity, transform;

    margin-top: 2vh;
}

#book-modal.active
{
    visibility: visible;
    opacity: 1;
    transform: scale(1);
}

.book-modal-section
{
    color: var(--color-bg);
    background-color: var(--color-additional);

    padding: 30px;
    padding-top: 15px;
    padding-bottom: 15px;

    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: stretch;
    text-align: center;
    gap: 2vh;
}

.book-modal-header
{
    display: flex;
    justify-content: flex-end;
    color: var(--color-accent);
}

.book-modal-header button
{
    color: var(--color-accent);
}

.book-modal-section h3
{
    color: var(--color-accent);
}

#book-modal-form
{
    display: flex;
    flex-direction: column;
    gap: 2vh;
    align-items: stretch;
}

.form-group
{
    display: flex;
    justify-content: stretch;
}

.form-group label
{
    display: flex;
    flex-direction: column;
    flex-grow: 1;
    width: 100%;
}

.form-group input
{
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;

    border-radius: 0px;
    outline: 1px solid var(--color-bg);
    border: none;
    background-color: var(--color-additional);
    color: var(--color-bg);
    padding: 7px;
    font-size: 0.9rem;
    box-sizing: border-box;

    transition: 0.3s;

    width: 100%;
    flex-grow: 1;

    text-align: center;
}

.form-group input.invalid
{
    outline: 1px solid var(--color-invalid);
}

.form-group input[type="date"]::-webkit-datetime-edit,
.form-group input[type="time"]::-webkit-datetime-edit
{
    font-family: "Circe", sans-serif;
    color: var(--color-bg);
}
.content-section {
    display: grid;
    grid-template-rows: 0.5fr auto;
    padding-right: clamp(6vw, calc(12vw + 1%), calc(12vw + 10%));
    padding-left: clamp(6vw, calc(12vw + 1%), calc(12vw + 10%));
    text-align: center;
    gap: 3vh;
}

.content-subtitle {
    display: none;
}

.content-subsection {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2vh;
}

.info-block-main {
    display: flex;
    justify-content: center;
}

.info-block-container {
    background-color: var(--color-secondary);
    color: var(--color-bg);
    border-radius: 2px;
    padding: 20px;

    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 2vh;
    text-align: center;
}

address {
    font-style: normal;
}

.info-block {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.info-work-schedule {
    display: flex;
    gap: 2vw;
}


#content-first-screen {
    background-image: url("../assets/img/main-background.jpg");
    background-size: cover;
    background-position: center;
    height: clamp(192px, 40vh, 500px);

    padding: 0;
    display: flex;
    justify-content: center;
    align-items: flex-end;
}

#content-first-screen div {
    width: 100%;
    height: 100%;

    background-color: rgba(0, 0, 0, 0.45);

    display: flex;
    justify-content: center;
    align-items: flex-end;
}

.main-title {
    color: var(--color-bg);
    margin-bottom: 5vh;
    margin-right: 10vw;
    text-shadow: 0 0 3px black;
    font-size: 1.3rem;
}
@media (min-width: 1440px) {
    html.fixed {
        overflow-y: hidden;
        /* padding-right: calc(100vw - 99%); */
    }
}

@media (min-width: 1024px){
    .content-section {
        display: grid;
        grid-template-columns: minmax(80px, 200px) minmax(100px, 300px) 4fr;
        grid-template-rows: 1fr;
        text-align: unset;
        gap: 0;
    }

    .content-subtitle {
        display: flex;
        justify-content: center;
    }

    .content-title {
        display: flex;
        justify-content: center;
        margin-top: 20%;
        font-size: 1.5rem;
    }
}

@media (min-width: 768px) {
    .js-enabled {
        .header-link,
        .header-button-block {
            display: inline;
        }

        #burger-button {
            display: none;
        }
    }
}