:root {
    --font-base: 18px;

    --space-xs: 0.25rem;
    --space-s: 0.5rem;
    --space-m: 1rem;
    --space-l: 1.5rem;
    --space-xl: 2rem;

    --text-s: 0.875rem;
    --text-m: 1rem;
    --text-l: 1.25rem;
    --text-xl: 1.5rem;

    --diameter-xs: 0.5rem;
    --diameter-s: 1rem;
    --diameter-m: 2rem;
    --diameter-l: 3rem;
    --diameter-xl: 4.5rem;

    --round-s: .5rem;
    --round-m: 1rem;
    --round-l: 2rem;
    --round-xl: 4rem;

    --time-xs: 0.2s;
    --time-s: 0.3s;
    --time-m: 0.4s;
    --time-l: 0.6s;
    --time-xl: 0.8s;

    --palette-primary: #bb7a44;
    --palette-secondary: #e9d5c3;
    --palette-accent: #d69d6e;
    --palette-bg: #fbf9f7;
    --palette-page: #ebebeb;
    --palette-text-bright: #fbf9f7;
    --palette-text-dark: #070504;
    --palette-text-link: #e2d5ae;
    --palette-memorial-accent: #5c0000;
    --palette-memorial-secondary: #665151;

    --max-width: 1200px;
    --footer-height: 10rem;
    --header-height: 4rem;
}

html {
    --color-primary: var(--palette-primary);
    --color-secondary: var(--palette-secondary);
    --color-accent: var(--palette-accent);
    --color-bg: var(--palette-bg);
    --color-page: var(--palette-page);
    --color-text-bright: var(--palette-text-bright);
    --color-text-dark: var(--palette-text-dark);

    font-size: var(--font-base);
    background-color: var(--color-page);

    height: 100%;
    margin: 0;
}

body {
    height: 100%;
    margin: 0;
    display: flex;
    flex-direction: column;
}

.site-header {
    height: var(--header-height);
    background-color: var(--color-primary);

    .header-container {
        display: flex;
        max-width: var(--max-width);
        margin: 0 auto;

        img {
            height: var(--header-height);
        }

        nav {
            display: flex;
            align-items: center;
        }

        a {
            text-decoration: none;
            color: var(--color-text-bright);
            font-size: var(--text-xl);
            margin-left: var(--space-m);
            padding: var(--space-s) 0 var(--space-s) var(--space-m);
            border-left: 2px solid var(--color-secondary);
        }
    }
}

.site-footer {
    height: var(--footer-height);
    background-color: var(--color-primary);
    display: flex;
    justify-content: space-around;
    padding: var(--space-m);
    color: var(--color-text-bright);

    img {
        height: var(--footer-height);
    }

    ul {
        margin: 0;
    }

    a {
        text-decoration: none;
        color: var(--color-text-bright);
    }

    .footer-contacts a {
        color: var(--palette-text-link);
    }

    .footer-bottom {
        display: flex;
        flex-direction: column;
        justify-content: flex-end;
    }
}

.main-wrapper {
    max-width: var(--max-width);
    width: var(--max-width);
    margin: 0 auto;
    flex: 1 0 auto;
}

.data-block {
    margin: var(--space-m);
    background-color: var(--color-bg);
    border-radius: var(--round-l);
    padding: var(--space-m) var(--space-xl) var(--space-m) var(--space-xl);
}

.carousel {
    display: flex;
    flex-direction: column;
    align-items: center;

    --visible-slides: 1;
    --transition-duration: var(--time-m, 0.4s);
    --slide-gap: var(--space-m, .5rem);
    --autoplay-enabled: 0;
    --autoplay-interval: 4s;

    .carousel-arrow-wrap {
        width: 100%;
        display: flex;
        align-items: center;
        gap: var(--space-s, 1rem);
    }

    .carousel-viewport {
        width: 100%;
        overflow: hidden;
        padding: var(--space-s, 1rem);
    }

    .carousel-track {
        display: flex;
        gap: var(--slide-gap);
        will-change: transform;
        transition: transform var(--transition-duration) ease-in-out;
    }

    .carousel-slide {
        box-sizing: border-box;
        flex: 0 0 calc((100% - (var(--slide-gap) * (var(--visible-slides) - 1))) / var(--visible-slides));
    }

    .carousel-btn.is-disabled {
        opacity: 0.3;
        pointer-events: none;
        cursor: default;
    }
}

.exposition-card {
    display: grid;
    grid-template-columns: 1fr 2fr;

    img {
        max-height: 16rem;
        border-radius: var(--round-m);
    }

    .exposition-text {
        display: flex;
        flex-flow: column;
        justify-content: start;
        align-items: start;
        height: 100%;

        h2 {
            margin-top: 0;
        }

        p {
            margin-top: 0;
        }

        a {
            margin-top: auto;
            background: var(--color-accent, orange);
            border-radius: var(--round-xs, .3rem);
            padding: var(--space-xs, .3rem) var(--space-s, .3rem) var(--space-xs, .3rem) var(--space-s, .3rem);
            text-decoration: none;
            color: var(--color-text-dark);
            will-change: background;
            transition: background var(--time-s, 0.3s) ease;
        }

        a:hover {
            background: var(--color-secondary, beige);
        }
    }
}

.pagination-container {
    display: flex;
    justify-content: center;
    align-items: center;
    margin: var(--space-m) 0 var(--space-s) 0;
    width: 100%;

    .pagination {
        display: flex;
        list-style: none;
        padding: 0;
        margin: 0;
        gap: var(--space-s);
    }

    .pagination .page-link {
        display: flex;
        align-items: center;
        justify-content: center;
        min-width: var(--space-l);
        height: var(--space-l);
        padding: 0 var(--space-s);
        color: var(--color-text-dark);
        text-decoration: none;
        background-color: var(--color-bg);
        border: 1px solid gray;
        border-radius: var(--round-s);
        transition: all var(--time-xs) ease-in-out;
        cursor: pointer;
    }

    .pagination a.page-link:hover {
        color: var(--color-primary);
        background-color: var(--color-bg);
        border-color: var(--color-primary);
    }

    .pagination .page-item.active .page-link {
        color: var(--color-text-bright);
        background-color: var(--color-accent);
        border-color: var(--color-primary);
        cursor: default;
    }

    .pagination .page-item.disabled .page-link {
        color: #6c757d;
        background-color: var(--color-bg);
        border-color: var(--color-bg);
        cursor: not-allowed;
        opacity: 0.6;
    }
}