/* #region Variables */

:root {
    --color-background: #ffffff;
    --color-text: #130f67;
    --color-heading: #221b96;
    --color-indicator: #e97551;
    --color-border: #c5cce5;
    --color-hero-title: #ffffff;
    --color-hero-subtitle: #bdcbfb;
    --color-footer-start: #251481;
    --color-footer-middle: #271587;
    --color-footer-text: #9db9ff;
    --color-error: #e7597b;
    --color-code-background: #f1f3fb;
    --color-table-header: #f1f3fb;

    --font-family-base: Montserrat, 'Segoe UI', sans-serif;
    --font-family-code: Consolas, 'Courier New', monospace;

    --font-size-hero-title: 72px;
    --font-size-hero-subtitle: 24px;
    --font-size-heading-large: 48px;
    --font-size-heading-medium: 28px;
    --font-size-body: 18px;
    --font-size-caption: 15px;
    --font-size-footer: 16px;

    --spacing-small: 15px;
    --spacing-medium: 22px;
    --spacing-large: 36px;
    --spacing-extra-large: 72px;
    --spacing-paragraph: 18px;
    --spacing-title: 30px;
    --spacing-subheading: 28px;
    --spacing-section: 144px;

    --section-padding: 145px;
    --container-maximum-width: 1360px;
    --container-padding: 32px;

    --hero-padding-top: 140px;
    --hero-padding-bottom: 160px;

    --sidebar-width: 316px;
    --content-offset: 432px;
    --navigation-offset: 60px;
    --transition-duration: 0.5s;
    --reveal-duration: 0.3s;
}

/* #endregion */

/* #region Base */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--color-background);
    color: var(--color-text);
    font-family: var(--font-family-base);
    font-weight: 400;
    -webkit-text-size-adjust: 100%;
}

a {
    text-decoration: none;
}

ul {
    list-style-type: none;
}

.container {
    width: 100%;
    max-width: var(--container-maximum-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.second-section,
.site-footer {
    opacity: 0;
    transition: opacity var(--reveal-duration) ease;
}

body.is-ready {
    .second-section,
    .site-footer {
        opacity: 1;
    }
}

/* #endregion */

/* #region Header */

.inner-section {
    position: relative;
    z-index: 9;
    padding-top: var(--hero-padding-top);
    padding-bottom: var(--hero-padding-bottom);
    background: url('../assets/header-background.svg') 50% 100% no-repeat;

    & h1 {
        position: relative;
        z-index: 9;
        color: var(--color-hero-title);
        font-size: var(--font-size-hero-title);
        font-weight: 700;
        line-height: 140%;
        text-align: center;

        & small {
            display: block;
            min-height: calc(var(--font-size-hero-subtitle) * 1.5 + 24px);
            padding-top: 24px;
            color: var(--color-hero-subtitle);
            font-size: var(--font-size-hero-subtitle);
            font-weight: 500;
            line-height: 150%;
        }
    }
}

/* #endregion */

/* #region Layout */

.second-section {
    padding: var(--section-padding) 0;
}

.policy {
    position: relative;
    display: flex;
    justify-content: space-between;

    .policy-side {
        flex: 0 0 var(--sidebar-width);
        width: var(--sidebar-width);

        .policy-side-sticky {
            position: sticky;
            top: var(--navigation-offset);
            max-height: calc(100vh - (var(--navigation-offset) * 2));
            overflow-y: auto;

            #side-navigation {
                & li {
                    margin-bottom: var(--spacing-small);
                }

                .side-link {
                    position: relative;
                    display: block;
                    width: fit-content;
                    padding-bottom: 5px;
                    color: var(--color-text);
                    font-size: var(--font-size-body);
                    font-weight: 500;
                    line-height: 150%;

                    &::after {
                        content: '';
                        position: absolute;
                        left: 0;
                        bottom: 0;
                        width: 100%;
                        height: 2px;
                        background-color: var(--color-indicator);
                        transform: scaleX(0);
                        transform-origin: left;
                        transition: transform var(--transition-duration) ease;
                    }

                    &:hover::after,
                    &.active::after {
                        transform: scaleX(1);
                    }
                }
            }
        }
    }

    .policy-content {
        position: relative;
        width: calc(100% - var(--content-offset));
        font-size: var(--font-size-body);
        line-height: 150%;
    }
}

/* #endregion */

/* #region Content */

.policy-content {
    .policy-section {
        margin-bottom: var(--spacing-section);
        scroll-margin-top: var(--navigation-offset);

        &:last-child {
            margin-bottom: 0;
        }
    }

    .section-title {
        margin-bottom: var(--spacing-title);
        color: var(--color-heading);
        font-size: var(--font-size-heading-large);
        font-weight: 700;
        line-height: 130%;
    }

    .section-subheading,
    .section-minor-heading {
        margin-top: var(--spacing-extra-large);
        color: var(--color-heading);
        font-size: var(--font-size-heading-medium);
        font-weight: 700;
        line-height: 150%;
    }

    .section-subheading {
        margin-bottom: var(--spacing-medium);
    }

    .section-minor-heading {
        margin-bottom: var(--spacing-subheading);
    }

    .section-title + .section-subheading,
    .section-title + .section-minor-heading {
        margin-top: 0;
    }

    .section-paragraph {
        margin-bottom: var(--spacing-paragraph);

        &:last-child {
            margin-bottom: 0;
        }
    }

    .section-link {
        color: var(--color-heading);
        font-weight: 500;
        text-decoration: underline;
        text-decoration-color: var(--color-indicator);
        text-decoration-thickness: 2px;
        text-underline-offset: 4px;
        transition: color var(--reveal-duration) ease;

        &:hover {
            color: var(--color-indicator);
        }
    }

    .section-strong {
        font-weight: 700;
    }

    .section-code {
        padding: 2px 6px;
        border-radius: 6px;
        background-color: var(--color-code-background);
        font-family: var(--font-family-code);
        font-size: 0.9em;
    }

    .section-list {
        margin-bottom: var(--spacing-paragraph);
        padding-left: 2em;

        &:last-child {
            margin-bottom: 0;
        }

        .section-list-item {
            margin-bottom: var(--spacing-paragraph);

            &::before {
                content: '\2022';
                display: inline-block;
                width: 1em;
                margin-left: -1em;
                color: var(--color-heading);
                font-weight: 700;
            }

            &:last-child {
                margin-bottom: 0;
            }
        }

        &.section-list-ordered {
            list-style-type: decimal;

            .section-list-item {
                &::before {
                    content: none;
                }

                &::marker {
                    color: var(--color-heading);
                    font-weight: 700;
                }
            }
        }
    }

    .section-table-wrapper {
        margin-bottom: var(--spacing-paragraph);
        overflow-x: auto;

        &:last-child {
            margin-bottom: 0;
        }
    }

    .section-table {
        width: 100%;
        min-width: 480px;
        border-collapse: collapse;

        .section-table-caption {
            padding-bottom: var(--spacing-small);
            color: var(--color-heading);
            font-weight: 700;
            text-align: left;
        }

        .section-table-header-cell,
        .section-table-cell {
            padding: 12px 16px;
            border-bottom: 1px solid var(--color-border);
            text-align: left;
            vertical-align: top;
        }

        .section-table-header-cell {
            background-color: var(--color-table-header);
            color: var(--color-heading);
            font-weight: 700;
        }
    }

    .section-figure {
        margin-bottom: var(--spacing-paragraph);

        &:last-child {
            margin-bottom: 0;
        }

        .section-image {
            display: block;
            width: 100%;
            height: auto;
            border-radius: 12px;
        }

        .section-image-caption {
            margin-top: 12px;
            font-size: var(--font-size-caption);
            font-weight: 500;
            line-height: 150%;
        }
    }

    .content-error {
        color: var(--color-error);
        font-weight: 700;
    }
}

/* #endregion */

/* #region Footer */

.site-footer {
    padding: 30px 0;
    background: linear-gradient(90deg, var(--color-footer-start), var(--color-footer-middle) 50%, var(--color-footer-start));
    color: var(--color-footer-text);
    font-size: var(--font-size-footer);
    line-height: 150%;
    text-align: center;
}

/* #endregion */

/* #region Responsive */

@media (min-width: 1921px) {
    .inner-section {
        background-size: cover;
    }
}

@media (max-width: 1280px) {
    :root {
        --sidebar-width: 250px;
        --content-offset: 280px;
    }
}

@media (max-width: 992px) {
    :root {
        --font-size-hero-title: 36px;
        --font-size-hero-subtitle: 18px;
        --font-size-footer: 14px;
        --hero-padding-top: 50px;
        --hero-padding-bottom: 50px;
    }

    .inner-section {
        & h1 {
            line-height: 144%;
        }
    }
}

@media (max-width: 767px) {
    :root {
        --font-size-heading-large: 28px;
        --font-size-heading-medium: 22px;
        --spacing-extra-large: 40px;
        --spacing-section: 72px;
        --container-padding: 15px;
        --navigation-offset: 70px;
    }

    .second-section {
        padding: var(--spacing-medium) 0 45px;
    }

    .policy {
        flex-direction: column;

        .policy-side {
            position: sticky;
            top: 0;
            z-index: 10;
            flex: none;
            width: auto;
            margin: 0 calc(var(--container-padding) * -1);
            padding: var(--spacing-small) var(--container-padding) 0;
            border-bottom: 1px solid var(--color-border);
            background-color: var(--color-background);

            .policy-side-sticky {
                position: static;
                max-height: none;
                overflow-x: auto;
                overflow-y: hidden;
                scrollbar-width: none;

                &::-webkit-scrollbar {
                    display: none;
                }

                #side-navigation {
                    display: flex;
                    gap: var(--spacing-medium);
                    width: max-content;

                    & li {
                        margin-bottom: 0;
                    }

                    .side-link {
                        white-space: nowrap;
                    }
                }
            }
        }

        .policy-content {
            width: 100%;
            padding-top: var(--spacing-large);
        }
    }
}

/* #endregion */