@font-face {
    font-family: "Inter";
    font-style: normal;
    font-weight: 100 900;
    font-display: swap;
    src: url("./fonts/inter-normal-cyrillic.de93fdc85e3d.woff2") format("woff2");
    unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
}

@font-face {
    font-family: "Inter";
    font-style: normal;
    font-weight: 100 900;
    font-display: swap;
    src: url("./fonts/inter-normal-latin.260c81a4759b.woff2") format("woff2");
    unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
    font-family: "Inter";
    font-style: italic;
    font-weight: 100 900;
    font-display: swap;
    src: url("./fonts/inter-italic-cyrillic.b42ea53bc845.woff2") format("woff2");
    unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
}

@font-face {
    font-family: "Inter";
    font-style: italic;
    font-weight: 100 900;
    font-display: swap;
    src: url("./fonts/inter-italic-latin.0a81fe197e0d.woff2") format("woff2");
    unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

:root {
    --font-main: "Inter", "Segoe UI", Arial, sans-serif;

    /* Typography scale: rem respects browser zoom and the user's font settings. */
    --font-size-2xs: 0.625rem;
    --font-size-xs: 0.6875rem;
    --font-size-sm: 0.75rem;
    --font-size-ui: 0.8125rem;
    --font-size-body-sm: 0.875rem;
    --font-size-body: 0.9375rem;
    --font-size-body-lg: 1rem;
    --font-size-subtitle: 1.125rem;
    --font-size-heading-xl: 2rem;
    --font-size-heading-page: clamp(1.625rem, 1.48rem + 0.5vw, 2rem);
    --font-size-heading-home: clamp(1.75rem, 1.625rem + 0.533vw, 2.125rem);
    --font-size-heading-home-compact: clamp(1.25rem, 0.9rem + 1.8vw, 1.75rem);
    --font-size-heading-section: clamp(1.1875rem, 1.12rem + 0.24vw, 1.375rem);
    --font-size-heading-subsection: var(--font-size-subtitle);
    --font-size-heading-compact: var(--font-size-body);
    --font-size-error-code: clamp(4.75rem, 9vw, 8rem);
    --font-size-responsive-compact: clamp(var(--font-size-2xs), 3vw, var(--font-size-sm));
    --font-size-responsive-ui: clamp(var(--font-size-xs), 3.2vw, var(--font-size-ui));
    --font-size-quote-mark: 2.625rem;
    --line-height-none: 1;
    --line-height-display: 1.15;
    --line-height-heading: 1.25;
    --line-height-compact: 1.4;
    --line-height-body: 1.55;
    --line-height-relaxed: 1.7;
    --font-weight-regular: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --font-weight-extrabold: 800;
    --font-weight-heading: var(--font-weight-semibold);
    --font-weight-emphasis: var(--font-weight-heading);
    --font-size-material-title: var(--font-size-heading-compact);
    --line-height-material-title: var(--line-height-heading);
    --font-weight-material-title: var(--font-weight-heading);

    /* Unified type palette: headings, reading text, metadata and disabled text. */
    --text-heading: #101828;
    --text-body: #2b374b;
    --text-muted: #667085;
    --text-disabled: #aab3c1;
    --text-inverse: #ffffff;
    --surface-page: #ffffff;
    --surface-content: #ffffff;
    --surface-subtle: #fbfcff;
    --surface-muted: #f7f9fc;
    --surface-info: #f2f7ff;
    --surface-glass-soft: rgb(255 255 255 / 75%);
    --surface-overlay: rgb(255 255 255 / 92%);
    --surface-overlay-strong: rgb(255 255 255 / 98%);
    --border-color: #e4e9f2;
    --border-color-strong: #dfe7f2;
    --border-color-soft: #edf1f7;
    --border-color-subtle: #e8edf5;
    --divider-color: var(--border-color-soft);
    --decorative-marker-color: color-mix(in srgb, var(--text-disabled) 55%, var(--border-color-strong));
    --shadow-color-medium: rgb(16 24 40 / 12%);
    --divider-color-tinted: rgb(117 145 174 / 20%);

    /* Solid interactive accent for links, icons, borders and focus states. */
    --accent-color: #455ae4;
    --accent-color-strong: color-mix(in srgb, var(--accent-color) 84%, var(--text-heading));
    --accent-gradient-start: var(--icon-default-color);
    --accent-gradient-end: #6550dc;
    --accent-gradient: linear-gradient(135deg, var(--accent-gradient-start), var(--accent-gradient-end));
    --accent-gradient-interactive: linear-gradient(135deg, var(--accent-gradient-start) 0%, var(--accent-gradient-end) 88%);
    --text-accent: var(--accent-color-strong);
    --link-color: var(--text-accent);
    --link-color-hover: var(--accent-color);
    --accent-color-soft: color-mix(in srgb, var(--accent-color) 10%, var(--surface-content));
    --accent-color-border: color-mix(in srgb, var(--accent-color) 28%, var(--surface-content));
    --accent-color-border-strong: color-mix(in srgb, var(--accent-color) 42%, var(--surface-content));
    --accent-color-focus: color-mix(in srgb, var(--accent-color) 24%, transparent);
    --accent-color-contrast: var(--text-inverse);

    /* Shared component palette. */
    --button-border-color: var(--accent-color-border);
    --button-border-color-hover: var(--accent-color-border-strong);
    --button-primary-background: var(--accent-gradient);
    --button-primary-background-hover: var(--accent-gradient-interactive);
    --button-primary-background-active: var(--accent-gradient-interactive);
    --button-primary-border-color: var(--button-border-color);
    --button-primary-text: var(--accent-color-contrast);
    --button-secondary-background: var(--surface-content);
    --button-secondary-background-hover: var(--button-secondary-background);
    --button-secondary-border-color: var(--button-border-color);
    --button-secondary-border-color-hover: var(--button-border-color-hover);
    --button-secondary-text: var(--link-color);
    --button-secondary-text-hover: var(--link-color-hover);
    --control-background: var(--surface-content);
    --control-text: var(--text-body);
    --control-border-color: var(--border-color);
    --control-border-color-strong: var(--border-color-strong);
    --control-border-color-focus: var(--accent-color-border-strong);
    --control-focus-ring: var(--accent-color-focus);
    --card-background: var(--surface-content);
    --card-border-color: var(--border-color-subtle);
    --table-row-border-color: var(--divider-color);
    --table-header-background: var(--surface-subtle);

    /* Content notes and status colors. */
    --callout-note-border: #d78b20;
    --callout-note-background: #fff6e7;
    --callout-note-icon: #a15c00;
    --callout-definition-border: #2f72cf;
    --callout-definition-background: #edf5ff;
    --callout-definition-icon: #245fae;
    --callout-formula-border: #249663;
    --callout-formula-background: #ecf9f0;
    --callout-formula-icon: #177d50;
    --callout-quote-border: #6675c9;
    --callout-quote-background: #f4f5fb;
    --callout-quote-icon: #5363bb;
    --question-number-background: var(--accent-color-soft);
    --callout-blockquote-border: #8dc2ff;
    --code-background: #091421;
    --footer-background: linear-gradient(
        160deg,
        color-mix(in srgb, var(--accent-gradient-start) 30%, var(--text-heading)),
        color-mix(in srgb, var(--accent-gradient-end) 60%, var(--text-heading))
    );
    --footer-border-color: rgb(255 255 255 / 20%);
    --footer-control-background: rgb(255 255 255 / 8%);
    --icon-default-color: #2563eb;
    --icon-theme-blue-color: var(--icon-default-color);
    --icon-theme-blue-background: #eff6ff;
    --icon-theme-green-color: #16875e;
    --icon-theme-green-background: #ecf9f0;
    --icon-theme-violet-color: #6675c9;
    --icon-theme-violet-background: var(--accent-soft);
    --icon-theme-amber-color: #b76e00;
    --icon-theme-amber-background: #fff6e7;
    --icon-theme-teal-color: #0f8f9e;
    --icon-theme-teal-background: #eaf8fa;
    --icon-theme-red-color: #c2415b;
    --icon-theme-red-background: #fff0f3;
    --icon-theme-orange-color: #c76b16;
    --icon-theme-orange-background: #fff4e8;
    --icon-theme-magenta-color: #a746ba;
    --icon-theme-magenta-background: #faeffd;
    --icon-stroke-width: 1.75;

    /* Backward-compatible aliases used by the shared layout. */
    --bg: var(--surface-page);
    --line: var(--border-color);
    --line-soft: var(--border-color-soft);
    --accent-soft: var(--accent-color-soft);
    --accent-border: var(--accent-color-border);
    --accent-focus: var(--accent-color-focus);
    --accent-contrast: var(--accent-color-contrast);
    --radius: 6px;
    --radius-sm: 4px;
    --header-height: 64px;
    --header-logo-column-width: 160px;
    --header-menu-column-width: 160px;
    --side-panel-content-inset: 20px;
    --content-width: 1440px;
    --layout-padding-x: clamp(24px, 2.2vw, 32px);
    --layout-gap: 34px;
    --sidebar-left-width: 220px;
    --right-sidebar-width: 278px;
    --toc-width: var(--right-sidebar-width);
    --content-font-size: var(--font-size-body);
    --content-line-height: var(--line-height-relaxed);
    --prose-list-indent: 21px;
    --prose-list-edge-inset: 3px;
    --source-list-number-gap: 10px;
    --catalog-aside-width: var(--right-sidebar-width);
    --catalog-gap: var(--layout-gap);
    --filter-control-height: 35px;
    --filter-control-width: 214px;
    --sort-control-width: 162px;
    --interaction-duration: 160ms;
    --interaction-easing: ease;
    --interaction-lift: -1px;
    --tap-highlight: transparent;
    --icon-tile-size: 58px;
    --icon-tile-glyph-size: 34px;
    --icon-tile-radius: 12px;
    --icon-tile-gap: 14px;
    --catalog-row-gap: 14px;
    --catalog-meta-column-width: 104px;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Shared colored tile for catalog icons, question numbers and homepage statistics. */
.icon-tile {
    box-sizing: border-box;
    display: grid;
    flex: 0 0 var(--icon-tile-size);
    place-items: center;
    width: var(--icon-tile-size);
    height: var(--icon-tile-size);
    overflow: hidden;
    border-radius: var(--icon-tile-radius);
    background: var(--icon-tile-bg, transparent);
    color: var(--icon-tile-color, currentColor);
}

.icon-tile .icon {
    width: var(--icon-tile-glyph-size);
    height: var(--icon-tile-glyph-size);
}

.icon-tile--blue {
    --icon-tile-color: var(--icon-theme-blue-color);
    --icon-tile-bg: var(--icon-theme-blue-background);
}

.icon-tile--green,
.icon-tile--mint {
    --icon-tile-color: var(--icon-theme-green-color);
    --icon-tile-bg: var(--icon-theme-green-background);
}

.icon-tile--violet {
    --icon-tile-color: var(--icon-theme-violet-color);
    --icon-tile-bg: var(--icon-theme-violet-background);
}

.icon-tile--amber {
    --icon-tile-color: var(--icon-theme-amber-color);
    --icon-tile-bg: var(--icon-theme-amber-background);
}

.icon-tile--teal {
    --icon-tile-color: var(--icon-theme-teal-color);
    --icon-tile-bg: var(--icon-theme-teal-background);
}

.icon-tile--red {
    --icon-tile-color: var(--icon-theme-red-color);
    --icon-tile-bg: var(--icon-theme-red-background);
}

.icon-tile--orange {
    --icon-tile-color: var(--icon-theme-orange-color);
    --icon-tile-bg: var(--icon-theme-orange-background);
}

.icon-tile--magenta {
    --icon-tile-color: var(--icon-theme-magenta-color);
    --icon-tile-bg: var(--icon-theme-magenta-background);
}

.home-catalog-card__body strong,
.catalog-name,
.source-card__title {
    font-size: var(--font-size-material-title);
    font-weight: var(--font-weight-material-title);
    line-height: var(--line-height-material-title);
}

.university-page {
    color: var(--text-body);
}

.university-section {
    min-width: 0;
    margin: 0 0 72px;
}

.entity-info-card {
    padding: 28px var(--side-panel-content-inset) 22px;
    border: 0;
    border-radius: 6px;
}

.entity-info-card__image {
    display: block;
    width: 100%;
    height: auto;
    margin: 0 auto 18px;
}

.entity-info-card__title {
    display: block;
    margin: 0 0 18px;
    font-size: var(--font-size-heading-compact);
    line-height: var(--line-height-compact);
    text-align: center;
}

.entity-info-card__facts {
    display: grid;
    gap: 0;
    margin: 0;
}

.entity-info-card__fact {
    display: grid;
    grid-template-columns: minmax(74px, max-content) minmax(0, 1fr);
    gap: 10px;
    align-items: start;
    padding: 10px 0;
    border-top: 1px solid var(--divider-color);
}

.entity-info-card__label {
    min-width: 0;
    color: var(--text-muted);
    font-size: var(--font-size-sm);
}

.entity-info-card__value {
    min-width: 0;
    color: var(--text-heading);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    text-align: right;
    overflow-wrap: anywhere;
}

.entity-info-sidebar__related {
    margin-top: 24px;
    padding: 22px var(--side-panel-content-inset);
    border: 0;
    border-radius: 6px;
}

.entity-info-sidebar__related h3 {
    margin: 0 0 14px;
    font-size: var(--font-size-heading-compact);
    line-height: var(--line-height-compact);
}

.entity-info-sidebar__link-list {
    display: grid;
    gap: 0;
    margin: 0;
    padding: 0;
    list-style: none;
}

.entity-info-sidebar__link-list li {
    min-width: 0;
    margin: 0;
}

.entity-info-sidebar__link-list a {
    display: block;
    min-height: 42px;
    padding: 11px 0;
    border-top: 1px solid var(--divider-color);
    color: var(--text-heading);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    line-height: var(--line-height-compact);
}

.entity-info-sidebar__link-list a:hover,
.entity-info-sidebar__link-list a:focus-visible {
    color: var(--link-color-hover);
}

.entity-info-sidebar__link-list span {
    display: block;
    min-width: 0;
}

@media (max-width: 768px) {
    .university-section {
        margin-bottom: 54px;
    }
}

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

html {
    font-size: 100%;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    text-size-adjust: 100%;
}

body {
    margin: 0;
    font-family: var(--font-main);
    color: var(--text-body);
    background: var(--bg);
    line-height: var(--line-height-body);
}

/* Every native public heading shares one text role across all page types. */
h1,
h2,
h3,
h4,
h5,
h6 {
    color: var(--text-heading);
    font-weight: var(--font-weight-heading);
}

h2,
.technical-heading {
    font-size: var(--font-size-heading-section);
}

h3 {
    font-size: var(--font-size-heading-subsection);
}

/* Semantic bold text shares the heading color and one site-wide weight. */
:is(b, strong) {
    color: var(--text-heading) !important;
    font-weight: var(--font-weight-emphasis) !important;
}

a {
    color: var(--link-color);
    text-decoration: none;
    transition: color 0.2s ease, opacity 0.2s ease, transform 0.2s ease;
}

a:hover {
    color: var(--link-color-hover);
}

.skip-link {
    position: fixed;
    top: 12px;
    left: 12px;
    z-index: 1000;
    transform: translateY(-160%);
    padding: 10px 14px;
    border-radius: var(--radius);
    background: var(--surface-content);
    color: var(--link-color);
    font-size: var(--font-size-ui);
    font-weight: var(--font-weight-bold);
}

.skip-link:focus-visible {
    transform: translateY(0);
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
}

button,
input,
select,
textarea {
    font: inherit;
    font-family: var(--font-main);
}

a,
button,
input,
select,
textarea,
summary,
label,
[role="button"],
[tabindex]:not([tabindex="-1"]) {
    -webkit-tap-highlight-color: var(--tap-highlight);
}

[hidden] {
    display: none !important;
}

.site-shell {
    min-height: 100vh;
    min-height: 100dvh;
    display: flex;
    flex-direction: column;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 30;
    background: var(--surface-overlay-strong);
    border-bottom: 1px solid var(--line);
}

.site-header__inner {
    position: relative;
    max-width: var(--content-width);
    height: var(--header-height);
    margin: 0 auto;
    padding: 0 var(--layout-padding-x);
    display: grid;
    grid-template-columns: var(--sidebar-left-width) minmax(0, 1fr) var(--toc-width);
    align-items: center;
    gap: var(--layout-gap);
}

.site-logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    width: var(--header-logo-column-width);
    min-width: 0;
    color: var(--text-heading);
}

.site-logo__image {
    display: block;
    flex: 0 0 184px;
    width: 184px;
    min-width: 184px;
    max-height: 42px;
    object-fit: contain;
    object-position: left center;
}

.header-search {
    position: relative;
    isolation: isolate;
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto;
    align-items: center;
    gap: 0;
    width: 100%;
    min-width: 0;
    height: 40px;
    padding: 3px;
    justify-self: start;
    border: 1px solid var(--control-border-color);
    border-radius: var(--radius);
    background: var(--control-background);
}

.header-search.is-search-open {
    z-index: 95;
}

.header-search__icon {
    display: inline-grid;
    place-items: center;
    margin-left: 12px;
    color: var(--text-muted);
    pointer-events: none;
}

.header-search__icon .icon {
    width: 18px;
    height: 18px;
}

.header-search input {
    min-width: 0;
    width: 100%;
    height: 32px;
    border: 0;
    border-radius: 0;
    padding: 0 12px;
    background: transparent;
    color: var(--control-text);
    font-size: var(--font-size-ui);
    outline: none;
}

.header-search__submit {
    height: 32px;
    margin-right: 1px;
    border: 0;
    border-radius: var(--radius);
    padding: 0 12px;
    background: var(--button-primary-background);
    color: var(--button-primary-text);
    font-size: var(--font-size-ui);
    font-weight: var(--font-weight-medium);
    cursor: pointer;
}

.header-search__close,
.header-search-toggle {
    display: none;
}

.header-search__dropdown {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    right: 0;
    grid-column: 1 / -1;
    z-index: 90;
    width: 100%;
    max-height: min(420px, calc(100vh - var(--header-height) - 32px));
    padding: 6px;
    overflow-x: hidden;
    overflow-y: auto;
    contain: layout paint;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--surface-content);
}

.header-search__dropdown[hidden] {
    display: none !important;
}

.header-search__suggest-item,
.header-search__suggest-all,
.header-search__empty {
    display: grid;
    min-width: 0;
    gap: 4px;
    padding: 10px 12px;
}

.header-search__suggest-item,
.header-search__empty {
    border-radius: 6px;
}

.header-search__suggest-item {
    color: var(--text-body);
    line-height: var(--line-height-heading);
}

.header-search__suggest-item:hover,
.header-search__suggest-item[aria-selected="true"],
.header-search__suggest-all:hover,
.header-search__suggest-all[aria-selected="true"] {
    background: var(--accent-color-soft);
    color: var(--link-color-hover);
}

.header-search__suggest-title {
    overflow: hidden;
    font-size: var(--font-size-ui);
    font-weight: var(--font-weight-semibold);
    line-height: var(--line-height-heading);
    text-overflow: ellipsis;
    white-space: nowrap;
}

.header-search__suggest-meta,
.header-search__empty {
    overflow: hidden;
    color: var(--text-muted);
    font-size: var(--font-size-xs);
    line-height: var(--line-height-compact);
    text-overflow: ellipsis;
    white-space: nowrap;
}

.header-search__suggest-all {
    margin-top: 4px;
    border-top: 1px solid var(--line-soft);
    border-radius: 0 0 6px 6px;
    color: var(--link-color);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-extrabold);
    line-height: var(--line-height-heading);
}

.burger-button {
    position: relative;
    justify-self: start;
    margin-left: var(--side-panel-content-inset);
    height: 38px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface-overlay);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    cursor: pointer;
    padding: 0 10px;
    color: var(--text-heading);
    transition: border-color 0.2s ease, color 0.2s ease;
}

.burger-button__icon-wrap {
    position: relative;
    flex: 0 0 20px;
    width: 20px;
    height: 20px;
}

.burger-button__icon-wrap .burger-button__icon {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    transform: translate(-50%, -50%);
    stroke-width: var(--icon-stroke-width);
    transition: opacity 0.2s ease;
}

.burger-button__label {
    font-size: var(--font-size-ui);
    font-weight: var(--font-weight-medium);
    line-height: var(--line-height-none);
}

.burger-button:focus-visible,
.header-search-toggle:focus-visible,
.header-search__close:focus-visible {
    outline: 2px solid var(--control-focus-ring);
    outline-offset: 2px;
}

.burger-button__icon--close {
    opacity: 0;
}

.menu-open .burger-button {
    border-color: var(--border-color-strong);
    color: var(--text-heading);
}

.menu-open .burger-button__icon--menu {
    opacity: 0;
}

.menu-open .burger-button__icon--close {
    opacity: 1;
}

.header-drawer {
    position: absolute;
    top: var(--header-height);
    left: 0;
    z-index: 25;
    width: 100%;
    display: none;
    overflow: visible;
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    background: var(--surface-content);
}

.menu-open .header-drawer {
    display: block;
}

.header-drawer__content {
    position: relative;
    max-width: var(--content-width);
    margin: 0 auto;
    padding: 30px var(--layout-padding-x) 28px;
}

.header-drawer__grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0;
}

.header-drawer__section {
    min-height: 270px;
    padding: 0 30px;
    border-left: 1px solid var(--line);
}

.header-drawer__section:first-child {
    padding-left: 0;
    border-left: 0;
}

.header-drawer__section p,
.eyebrow {
    margin: 0 0 10px;
    color: var(--text-muted);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-heading);
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.header-drawer__section p {
    margin-bottom: 22px;
    color: var(--text-body);
}

.header-drawer__section a {
    display: grid;
    grid-template-columns: 24px minmax(0, 1fr);
    gap: 14px;
    align-items: start;
    min-height: 28px;
    margin: 0 0 14px;
    color: var(--text-heading);
    font-size: var(--font-size-body);
    font-weight: var(--font-weight-medium);
    line-height: var(--line-height-heading);
}

.header-drawer__section a:last-child {
    margin-bottom: 0;
}

.header-drawer__section .icon {
    width: 19px;
    height: 19px;
    color: var(--text-heading);
}

.header-drawer__section a:hover .icon,
.header-drawer__section a:focus-visible .icon,
.header-drawer__section a.is-active .icon {
    color: var(--link-color-hover);
}

.header-drawer__section a:is(.is-active, :hover, :focus-visible) .header-drawer__label,
.section-nav__link:is(.is-active, :hover, :focus-visible) .section-nav__label {
    background: var(--accent-gradient);
    background-clip: text;
    color: var(--link-color-hover);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.header-drawer__promo {
    display: grid;
    grid-template-columns: 154px minmax(0, 1fr);
    gap: 28px;
    align-items: center;
    min-height: 132px;
    margin-top: 28px;
    padding: 20px 28px;
    border-radius: var(--radius);
    background: var(--surface-info);
}

.header-drawer__promo-art {
    width: 154px;
}

.header-drawer__promo-art img {
    display: block;
    width: 100%;
    max-height: 112px;
    object-fit: contain;
}

.header-drawer__promo-copy {
    max-width: 58ch;
}

.header-drawer__promo strong {
    display: block;
    margin-bottom: 8px;
    color: var(--text-heading);
    font-size: var(--font-size-heading-subsection);
    line-height: var(--line-height-heading);
}

.header-drawer__promo span {
    display: block;
    color: var(--text-body);
    font-size: var(--font-size-body-sm);
    line-height: var(--line-height-relaxed);
}

.site-footer a {
    display: block;
    margin: 0 0 8px;
}

.site-layout {
    width: 100%;
    max-width: var(--content-width);
    margin: 0 auto;
    padding: 30px var(--layout-padding-x) 0;
    display: grid;
    flex: 1 0 auto;
    grid-template-columns: var(--sidebar-left-width) minmax(0, 1fr);
    gap: var(--layout-gap);
    align-items: start;
}

.page-question .site-layout,
.page-article .site-layout,
.page-with-right-sidebar .site-layout {
    grid-template-columns: var(--sidebar-left-width) minmax(0, 1fr) var(--toc-width);
}

.site-main {
    min-width: 0;
}

.sidebar {
    position: static;
    top: auto;
}

.page-question .toc-sidebar,
.page-glossary-term .toc-sidebar {
    position: sticky;
    top: calc(var(--header-height) + 20px);
}

.sidebar-panel,
.card {
    background: transparent;
    border: 0;
    border-radius: 0;
    box-shadow: none;
}

.sidebar-panel {
    padding: 0;
}

.sidebar-left {
    position: static;
    padding-right: 0;
}

.section-nav {
    display: grid;
    gap: 18px;
}

.section-nav__link {
    position: relative;
    display: flex;
    align-items: flex-start;
    gap: 12px;
    min-height: 28px;
    padding: 0 0 0 3px;
    border-radius: 0;
    color: var(--text-heading);
    background: transparent;
    border: 0;
    font-size: var(--font-size-body);
    font-weight: var(--font-weight-medium);
}

.section-nav__icon {
    width: 24px;
    height: 24px;
    display: inline-grid;
    place-items: center;
    color: var(--text-heading);
    flex: 0 0 auto;
}

.section-nav__icon .icon {
    width: 20px;
    height: 20px;
}

.icon {
    width: 1em;
    height: 1em;
    display: block;
    fill: none;
    stroke: currentColor;
    stroke-width: var(--icon-stroke-width);
    stroke-linecap: round;
    stroke-linejoin: round;
}

.section-nav__link:hover,
.section-nav__link:focus-visible {
    color: var(--link-color-hover);
    transform: none;
}

.section-nav__link.is-active {
    background: transparent;
}

.section-nav__link.is-active .section-nav__icon,
.section-nav__link:hover .section-nav__icon,
.section-nav__link:focus-visible .section-nav__icon {
    color: var(--link-color-hover);
}

.section-nav__link.is-active::before {
    content: none;
}

.site-footer__socials a {
    width: 34px;
    height: 34px;
    display: inline-grid;
    place-items: center;
    border: 1px solid var(--border-color);
    border-radius: 50%;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-bold);
}

.site-footer__socials .icon {
    width: 16px;
    height: 16px;
}

.breadcrumbs-wrap {
    margin-bottom: 10px;
}

.breadcrumbs {
    margin: 0;
    padding: 0;
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    color: var(--text-muted);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-regular);
}

.breadcrumbs a,
.breadcrumbs span {
    color: inherit;
}

.breadcrumbs a:hover,
.breadcrumbs a:focus-visible {
    color: var(--link-color-hover);
}

.breadcrumbs li::after {
    content: "❯";
    margin-left: 8px;
    color: var(--text-disabled);
    opacity: 1;
}

.breadcrumbs li:last-child::after {
    content: "";
}

.card {
    padding: 0;
    margin-bottom: 52px;
    border-bottom: 0;
}

.card:last-child {
    border-bottom: 0;
}

.page-intro h1 {
    margin: 0;
    font-size: var(--font-size-heading-page);
    line-height: var(--line-height-display);
}

.site-page {
    min-width: 0;
    padding-bottom: 40px;
}

.site-page__intro {
    padding-bottom: 28px;
    border-bottom: 1px solid var(--divider-color);
}

.site-page__updated {
    margin: 16px 0 0;
    color: var(--text-muted);
    font-size: var(--font-size-body-sm);
    line-height: var(--line-height-body);
}

.site-page__meta,
.site-page__details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 14px 22px;
    margin: 20px 0 0;
}

.site-page__meta div,
.site-page__details div {
    min-width: 0;
}

.site-page__meta dt,
.site-page__details dt {
    margin-bottom: 4px;
    color: var(--text-muted);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    line-height: var(--line-height-compact);
}

.site-page__meta dd,
.site-page__details dd {
    margin: 0;
    overflow-wrap: anywhere;
    color: var(--text-body);
    font-size: var(--font-size-body-sm);
    line-height: var(--line-height-body);
}

.site-page__body {
    margin-top: 30px;
}

.site-page__details {
    margin-bottom: 0;
    padding: 18px 20px;
    border-radius: var(--radius);
    background: var(--surface-muted);
}

.site-page__owner {
    margin-top: 34px;
    padding-top: 30px;
    border-top: 1px solid var(--divider-color);
}

.site-page__owner > h2 {
    margin: 0;
    font-size: var(--font-size-heading);
    line-height: var(--line-height-heading);
}

.site-footer__brand p:first-child {
    margin: 0;
    font-family: var(--font-main);
}

.content-detail {
    min-width: 0;
    padding-bottom: 48px;
}

.content-detail-hero {
    margin-bottom: 28px;
}

.content-detail-hero h1 {
    margin: 0;
    font-size: var(--font-size-heading-page);
    line-height: var(--line-height-heading);
    letter-spacing: 0;
}

.content-detail-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 18px 36px;
    align-items: center;
    margin: 22px 0 0;
    padding: 0;
    list-style: none;
    color: var(--text-muted);
    font-size: var(--font-size-ui);
    font-weight: var(--font-weight-medium);
}

.content-detail-meta li {
    display: inline-flex;
    gap: 8px;
    align-items: center;
    min-width: 0;
    min-height: 24px;
}

/* Only the icon/text pair changes: one line stays centered, wrapping grows down. */
.content-detail-meta li:not(.content-detail-meta__badge) {
    align-items: flex-start;
}

.content-detail-meta a {
    color: var(--link-color);
}

.content-detail-meta__text {
    min-width: 0;
}

.content-detail-meta__badge {
    padding: 5px 10px;
    border: 0;
    border-radius: var(--radius);
    background: var(--question-number-background);
    color: var(--link-color);
    font-weight: var(--font-weight-bold);
}

.content-detail-meta__link {
    font-weight: var(--font-weight-medium);
    text-decoration: none;
    transition: color var(--interaction-duration) var(--interaction-easing);
}

.content-detail-meta__link:hover,
.content-detail-meta__link:focus-visible {
    color: var(--link-color-hover);
}

.content-detail-meta .icon {
    width: 16px;
    height: 16px;
    flex: 0 0 auto;
    margin-top: 2px;
    color: var(--text-muted);
}

.content-summary-card {
    position: relative;
    margin: 0 0 38px;
    padding: 24px 0 0;
    border: 0;
    border-top: 1px solid var(--divider-color-tinted);
    border-radius: 0;
    background: transparent;
}

.content-summary-card::before {
    position: absolute;
    top: -1px;
    left: 0;
    width: 72px;
    height: 2px;
    background: var(--accent-gradient);
    content: "";
}

.content-summary-card > p {
    margin: 0;
    color: var(--text-body);
    font-size: var(--font-size-body);
    font-weight: var(--font-weight-regular);
    line-height: var(--line-height-relaxed);
}

.answer-detail-content,
.answer-callout[id],
.answer-article-body[id],
.content-summary-card[id],
.content-detail-rich-content > :is(h2, h3, h4, h5, h6)[id] {
    scroll-margin-top: calc(var(--header-height) + 48px);
}

.answer-detail-content [data-math-mode="display"] {
    display: block;
    max-width: 100%;
    overflow-x: auto;
}

.document-access-card {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 20px;
    align-items: center;
    margin: 0 0 30px;
    padding: 20px 22px;
    border: 1px solid var(--accent-border);
    border-radius: 8px;
    background: var(--accent-soft);
}

.document-access-card__content {
    display: flex;
    gap: 14px;
    align-items: center;
    min-width: 0;
}

.document-access-card__icon {
    display: grid;
    flex: 0 0 auto;
    place-items: center;
    width: 30px;
    height: 30px;
    border: 0;
    border-radius: 0;
    background: transparent;
    color: var(--text-accent);
}

.document-access-card__icon .icon {
    width: 30px;
    height: 30px;
}

.document-access-card__title,
.document-access-card__meta {
    display: block;
}

.document-access-card__copy {
    min-width: 0;
}

.document-access-card__title {
    color: var(--text-heading);
    font-size: var(--font-size-body);
    font-weight: var(--font-weight-semibold);
    line-height: var(--line-height-compact);
}

.document-access-card__meta {
    margin-top: 8px;
    color: var(--text-muted);
    font-size: var(--font-size-sm);
    line-height: var(--line-height-compact);
}

.document-access-card__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: flex-end;
}

.document-preview {
    width: 100%;
    max-width: 100%;
    min-width: 0;
    overflow-x: clip;
    scroll-margin-top: calc(var(--header-height) + 24px);
}

.document-preview__frame[hidden] {
    display: none;
}

.document-preview__frame {
    display: block;
    width: 100%;
    max-width: 100%;
    min-width: 0;
    height: min(74vh, 860px);
    min-height: 560px;
    border: 1px solid var(--card-border-color);
    border-radius: 8px;
    background: var(--surface-subdued);
}

.rich-content > :is(h2, h3, h4, h5, h6) {
    scroll-margin-top: calc(var(--header-height) + 30px);
}

.rich-content > h2 {
    margin: 34px 0 12px;
    line-height: var(--line-height-heading);
}

.rich-content > h3 {
    margin: 23px 0 10px;
    line-height: var(--line-height-heading);
}

.rich-content > h4,
.rich-content > h5,
.rich-content > h6 {
    margin: 20px 0 10px;
    font-size: var(--font-size-heading-compact);
    line-height: var(--line-height-display);
}

.rich-content > :first-child {
    margin-top: 0;
}

.rich-content > :last-child {
    margin-bottom: 0;
}

.rich-content p,
.rich-content ul,
.rich-content ol,
.rich-content blockquote,
.rich-content pre,
.rich-content table,
.rich-content figure {
    margin: 0 0 17px;
}

.rich-content ul,
.rich-content ol {
    padding-inline-start: var(--prose-list-indent);
    list-style-position: outside;
}

.rich-content li::marker {
    color: var(--text-accent);
    font-size: var(--content-font-size);
    font-weight: var(--font-weight-semibold);
}

.rich-content ol li::marker {
    font-weight: var(--font-weight-medium);
}

.rich-content li + li {
    margin-top: 7px;
}

.rich-content .answer-lead {
    font-family: var(--font-main);
    color: var(--text-body);
    font-size: var(--content-font-size);
    line-height: var(--content-line-height);
}

.content-callout,
.content-definition,
.content-formula,
.content-quote {
    position: relative;
    box-sizing: border-box;
    margin: 26px 0;
    padding: 20px 24px 20px 60px;
    border: 0;
    border-left: 4px solid transparent;
    border-radius: 8px;
    font-size: var(--content-font-size);
    line-height: var(--content-line-height);
}

.content-detail-section {
    min-width: 0;
    margin: 30px 0;
}

.content-detail-section > :last-child,
.content-detail-section .rich-content > :last-child {
    margin-bottom: 0;
}

.content-detail-rich-content {
    color: var(--text-body);
    font-family: var(--font-main);
    font-size: var(--content-font-size);
    line-height: var(--content-line-height);
}

.content-source-section {
    scroll-margin-top: calc(var(--header-height) + 24px);
}

.content-block__icon {
    position: absolute;
    top: 21px;
    left: 19px;
    width: 21px;
    height: 21px;
    display: grid;
    place-items: center;
}

.content-block__icon .icon {
    width: 20px;
    height: 20px;
}

.content-callout {
    border-left-color: var(--callout-note-border);
    background: var(--callout-note-background);
}

.content-block__icon--note {
    color: var(--callout-note-icon);
}

.content-definition {
    border-left-color: var(--callout-definition-border);
    background: var(--callout-definition-background);
}

.content-block__icon--definition {
    color: var(--callout-definition-icon);
}

.content-callout > h3,
.content-definition > h3,
.content-formula > h3,
.content-quote > h3 {
    margin: 0 0 6px;
    font-size: var(--font-size-heading-compact);
    line-height: var(--line-height-compact);
}

.content-callout p:last-child,
.content-definition p:last-child,
.content-formula p:last-child,
.content-quote p:last-child {
    margin-bottom: 0;
}

.content-formula {
    border-left-color: var(--callout-formula-border);
    background: var(--callout-formula-background);
}

.content-block__icon--formula {
    color: var(--callout-formula-icon);
}

.content-formula code {
    display: inline-block;
    padding: 2px 7px;
    background: var(--surface-glass-soft);
    color: var(--text-body);
}

.content-quote {
    padding-right: 64px;
    border-left-color: var(--callout-quote-border);
    background: var(--callout-quote-background);
}

.content-block__quote {
    position: absolute;
    color: var(--callout-quote-icon);
    font-family: Georgia, "Times New Roman", serif;
    font-size: var(--font-size-quote-mark);
    font-weight: var(--font-weight-semibold);
    line-height: var(--line-height-none);
}

.content-block__quote--open {
    top: 12px;
    left: 18px;
}

.content-block__quote--close {
    right: 20px;
    bottom: 12px;
}

.content-quote cite {
    display: block;
    margin-top: 10px;
    color: var(--text-muted);
    font-style: normal;
    font-size: var(--content-font-size);
    line-height: var(--content-line-height);
}

.rich-content img {
    display: block;
    max-width: 100%;
    height: auto;
    border-radius: var(--radius);
}

.rich-content blockquote {
    padding: 16px 18px;
    border-left: 4px solid var(--callout-blockquote-border);
    border-radius: 0;
    background: var(--accent-soft);
}

.answer-article-body {
    min-width: 0;
    margin: 30px 0;
}

.answer-callout {
    min-width: 0;
    margin: 30px 0;
    padding: 20px 24px;
    border: 0;
    border-left: 4px solid var(--border-color-strong);
    border-radius: 8px;
    background: var(--surface-muted);
}

.answer-callout--takeaways {
    border-left-color: var(--callout-formula-border);
    background: var(--callout-formula-background);
}

.answer-callout--example {
    border-left-color: var(--callout-note-border);
    background: var(--callout-note-background);
}

.answer-callout--mistakes {
    border-left-color: var(--icon-theme-red-color);
    background: var(--icon-theme-red-background);
}

.answer-block-label {
    margin: 0 0 10px;
    color: var(--text-heading);
    font-size: var(--font-size-heading-compact);
    font-weight: var(--font-weight-heading);
    line-height: var(--line-height-compact);
}

.answer-callout__content > :last-child {
    margin-bottom: 0;
}

.content-section-title {
    display: flex;
    gap: 9px;
    align-items: flex-start;
    min-height: 30px;
    margin-bottom: 14px;
}

.content-section-title__icon {
    width: 20px;
    height: 20px;
    display: grid;
    place-items: center;
    flex: 0 0 auto;
    margin-top: 2px;
    background: transparent;
    color: var(--text-accent);
}

.content-section-title__icon .icon {
    width: 19px;
    height: 19px;
}

.content-section-title > :is(h2, h3) {
    margin: 0;
    line-height: var(--line-height-heading);
}

.guide-card-grid {
    display: grid;
    gap: 12px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.guide-card-grid--split {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 28px;
}

.guide-card-grid li {
    min-width: 0;
}

.guide-card {
    min-height: 78px;
    display: block;
    padding: 16px 20px;
    border: 1px solid var(--button-secondary-border-color);
    border-radius: var(--radius-sm);
    background: var(--button-secondary-background);
    color: var(--button-secondary-text);
}

.guide-card__eyebrow {
    display: block;
    margin-bottom: 7px;
    color: inherit;
    font-size: var(--font-size-ui);
    font-weight: var(--font-weight-medium);
    line-height: var(--line-height-compact);
}

.guide-card__title {
    display: -webkit-box;
    overflow: hidden;
    color: var(--text-heading) !important;
    font-size: var(--font-size-heading-compact);
    font-weight: var(--font-weight-medium) !important;
    line-height: var(--line-height-compact);
    transition: color var(--interaction-duration) var(--interaction-easing);
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.guide-card--next {
    text-align: right;
}

.term-related-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.content-chip-link {
    min-height: 38px;
    display: inline-flex;
    gap: 10px;
    align-items: center;
    padding: 8px 12px;
    border: 1px solid var(--button-secondary-border-color);
    border-radius: var(--radius-sm);
    background: var(--button-secondary-background);
    color: var(--button-secondary-text);
    font-family: inherit;
    font-size: var(--font-size-ui);
    font-weight: var(--font-weight-semibold);
    cursor: pointer;
}

.term-related-chips .content-chip-link {
    font-weight: var(--font-weight-medium);
}

.guide-card:hover,
.guide-card:focus-visible,
.content-chip-link:hover,
.content-chip-link:focus-visible {
    border-color: var(--button-secondary-border-color-hover);
    background: var(--button-secondary-background-hover);
    color: var(--button-secondary-text-hover);
}

.guide-card:hover .guide-card__title,
.guide-card:focus-visible .guide-card__title {
    color: var(--button-secondary-text-hover) !important;
}

.term-source-list {
    display: grid;
    gap: 6px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.term-source-list > li {
    min-width: 0;
    scroll-margin-top: calc(var(--header-height) + 24px);
}

.term-source-list__item {
    display: grid;
    grid-template-columns: max-content minmax(0, 1fr);
    gap: var(--source-list-number-gap);
    align-items: baseline;
    padding: 12px 0 12px var(--prose-list-edge-inset);
    border-radius: var(--radius-sm);
    background: transparent;
    color: var(--text-heading);
    transition: color var(--interaction-duration) var(--interaction-easing), transform var(--interaction-duration) var(--interaction-easing);
}

.content-source-section .term-source-list {
    gap: 12px;
}

.content-source-section .term-source-list__item {
    padding: 0;
}

.term-source-list__item:hover,
.term-source-list__item:focus-visible {
    color: var(--link-color-hover);
    transform: translateY(var(--interaction-lift));
}

.term-source-list__number {
    color: var(--text-accent);
    font-size: var(--font-size-body-sm);
    font-weight: var(--font-weight-medium);
    line-height: var(--line-height-compact);
    text-align: left;
}

.term-source-list__content {
    min-width: 0;
}

.term-source-list__title {
    display: block;
    color: inherit !important;
    font-size: var(--font-size-heading-compact);
    line-height: var(--line-height-compact);
    overflow-wrap: anywhere;
}

.term-source-list__meta {
    display: block;
    margin: 4px 0 0;
    color: var(--text-muted);
    font-size: var(--font-size-sm);
    line-height: var(--line-height-body);
}

.term-source-list__meta span + span::before {
    content: " · ";
}

@media (max-width: 768px) {
    .answer-callout {
        padding: 18px 20px;
    }

    .content-summary-card {
        margin-bottom: 32px;
        padding-top: 20px;
    }

    .content-summary-card::before {
        width: 56px;
    }

    .document-access-card {
        grid-template-columns: minmax(0, 1fr);
        align-items: stretch;
    }

    .document-access-card__actions {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .document-access-card__actions .action-button {
        min-width: 0;
        width: 100%;
        padding-right: 10px;
        padding-left: 10px;
        white-space: normal;
        text-align: center;
    }

    .document-preview__frame {
        height: min(70vh, 640px);
        min-height: 420px;
    }

    .content-callout,
    .content-definition,
    .content-formula,
    .content-quote {
        padding: 18px 20px 18px 54px;
    }

    .content-quote {
        padding-right: 54px;
    }

    .content-block__icon {
        top: 19px;
        left: 17px;
    }

    .content-block__quote--close {
        right: 16px;
        bottom: 10px;
        font-size: var(--font-size-heading-xl);
    }

    .content-block__quote--open {
        top: 10px;
        left: 16px;
        font-size: var(--font-size-heading-xl);
    }

    .guide-card {
        padding: 12px 14px;
    }
}

.rich-content pre {
    overflow-x: auto;
    padding: 16px;
    border-radius: var(--radius);
    background: var(--code-background);
    color: var(--text-inverse);
}

.rich-content table {
    width: 100%;
    border-collapse: collapse;
    background: var(--surface-content);
}

.rich-content th,
.rich-content td {
    border: 0;
    border-bottom: 1px solid var(--divider-color-tinted);
    padding: 12px 14px;
    text-align: left;
    font-size: var(--content-font-size);
    line-height: var(--content-line-height);
}

.rich-content th {
    color: var(--text-muted);
    font-weight: var(--font-weight-extrabold);
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.content-table-wrap {
    margin: 28px 0;
    overflow-x: auto;
    background: var(--surface-content);
}

.toc-panel {
    max-height: calc(100vh - 98px);
    overflow: auto;
    padding: 18px;
}

.toc-panel__title {
    margin: 0 0 12px;
    padding: 0 0 14px;
    color: var(--text-heading);
    font-size: var(--font-size-body-lg);
    font-weight: var(--font-weight-semibold);
    line-height: var(--line-height-compact);
    letter-spacing: 0;
    text-transform: none;
}

.toc-list__link:is(.is-active, [aria-current="true"]) .toc-list__label {
    background: var(--accent-gradient);
    background-clip: text;
    color: var(--text-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.toc-list {
    list-style: none;
    margin: 0;
    padding: 2px 0 2px 4px;
    display: grid;
    gap: 0;
}

.toc-list__item {
    position: relative;
    display: grid;
    grid-template-columns: 8px minmax(0, 1fr);
    column-gap: 8px;
    padding: 0;
}

.toc-list:not(.toc-list--nested) > .toc-list__item:not(:last-child)::after,
.toc-list:not(.toc-list--nested) > .toc-list__item--has-children::after {
    position: absolute;
    z-index: 0;
    top: 11.5px;
    bottom: -11.5px;
    left: 3.5px;
    width: 1px;
    background: var(--border-color-strong);
    content: "";
}

.toc-list:not(.toc-list--nested) > .toc-list__item--has-children:last-child::after {
    bottom: 11.5px;
}

.toc-list--nested {
    grid-column: 1 / -1;
    margin-top: 4px;
    padding: 0 0 0 17px;
}

.toc-list--nested .toc-list__item {
    grid-template-columns: 7px minmax(0, 1fr);
    column-gap: 8px;
    padding: 0;
}

.toc-list--nested .toc-list__item::before {
    position: absolute;
    top: 5.5px;
    left: -13.5px;
    box-sizing: border-box;
    width: 17px;
    height: 6px;
    border-bottom: 1px solid var(--border-color-strong);
    border-left: 1px solid var(--border-color-strong);
    border-bottom-left-radius: 5px;
    content: "";
}

.toc-list--nested .toc-list__marker {
    width: 7px;
    height: 7px;
    margin-top: 8px;
}

.toc-list__marker {
    z-index: 1;
    width: 8px;
    height: 8px;
    margin-top: 7.5px;
    border-radius: 50%;
    background: var(--decorative-marker-color);
    transition: transform var(--interaction-duration) var(--interaction-easing);
}

.toc-list__item.is-active > .toc-list__marker {
    background: var(--accent-gradient);
    transform: scale(1.12);
}

.toc-list__link {
    display: flex;
    align-items: center;
    min-height: 23px;
    padding: 2px 8px;
    border-radius: var(--radius);
    color: var(--text-body);
    font-size: var(--font-size-body-sm);
    font-weight: var(--font-weight-medium);
    line-height: var(--line-height-compact);
    transition: color var(--interaction-duration) var(--interaction-easing);
}

.toc-list--nested .toc-list__link {
    padding-inline: 7px;
    color: var(--text-muted);
    font-size: var(--font-size-ui);
    font-weight: var(--font-weight-regular);
}

.toc-list__link:hover {
    color: var(--link-color-hover);
}

.toc-list__link:focus-visible {
    outline: 2px solid var(--accent-color-focus);
    outline-offset: 1px;
    color: var(--link-color-hover);
}

.toc-list__link:is(.is-active, [aria-current="true"]) {
    color: var(--text-accent);
}

.toc-top-link {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 36px;
    margin-top: 14px;
    color: var(--text-muted);
    font-size: var(--font-size-ui);
    font-weight: var(--font-weight-medium);
}

.toc-top-link:hover,
.toc-top-link:focus-visible {
    color: var(--button-secondary-text-hover);
}

.toc-panel--mobile {
    display: none;
}

.meta,
.empty {
    color: var(--text-muted);
    font-size: var(--content-font-size);
    line-height: var(--content-line-height);
}

.site-footer {
    flex: 0 0 auto;
    margin: 0;
    padding: 42px 0 46px;
    background: var(--footer-background);
    color: var(--text-inverse);
}

.site-footer__grid {
    display: grid;
    grid-template-columns: 1.3fr 1fr 1fr 0.8fr;
    gap: 32px;
    max-width: var(--content-width);
    margin: 0 auto;
    padding: 0 var(--layout-padding-x);
    border: 0;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
}

.site-footer__logo {
    margin-bottom: 18px;
}

.site-footer__brand p {
    max-width: 310px;
    color: var(--text-inverse);
    font-size: var(--font-size-body-sm);
    line-height: var(--line-height-relaxed);
}

.site-footer__title {
    margin-bottom: 14px;
    color: var(--text-inverse);
    letter-spacing: 0;
    text-transform: none;
    font-size: var(--font-size-heading-compact);
    font-weight: var(--font-weight-heading);
}

.site-footer a {
    color: var(--text-inverse);
    font-size: var(--font-size-body-sm);
}

.site-footer a:hover {
    color: var(--text-inverse);
}

.site-footer__socials {
    display: flex;
    gap: 10px;
    margin-top: 18px;
}

.site-footer__socials a {
    border-color: var(--footer-border-color);
    background: var(--footer-control-background);
    color: var(--text-inverse);
}

.catalog-page {
    min-width: 0;
}

.catalog-hero {
    margin: 0 0 30px;
}

.catalog-hero h1 {
    margin: 0;
    font-size: var(--font-size-heading-page);
    line-height: var(--line-height-display);
}

.catalog-hero__meta {
    display: block;
    width: 100%;
    min-width: 0;
}

.catalog-hero__media {
    display: none;
}

.page-university .catalog-hero__meta .content-detail-meta {
    flex-wrap: nowrap;
    overflow-x: auto;
    white-space: nowrap;
}

.page-university .catalog-hero__meta .content-detail-meta li {
    flex: 0 0 auto;
}

.catalog-hero p {
    max-width: 820px;
    margin: 22px 0 0;
    color: var(--text-body);
    font-size: var(--font-size-body);
    line-height: var(--line-height-relaxed);
}

.catalog-hero__body {
    max-width: 820px;
    margin: 22px 0 0;
}

.catalog-hero__body p {
    margin: 0;
}

.catalog-hero__body p + p {
    margin-top: 12px;
}

.catalog-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) var(--catalog-aside-width);
    gap: var(--catalog-gap);
    align-items: start;
}

.catalog-main,
.catalog-aside {
    min-width: 0;
}

.catalog-aside {
    display: grid;
    gap: 28px;
}

.catalog-side-card {
    padding: var(--side-panel-content-inset);
    border: 0;
    border-radius: var(--radius);
}

.catalog-missing-card__icon {
    width: 100%;
    height: 52px;
    display: grid;
    place-items: center;
    margin: 0 0 16px;
    color: var(--text-accent);
}

.catalog-missing-card__icon .icon {
    width: 36px;
    height: 36px;
    stroke-width: var(--icon-stroke-width);
}

.catalog-side-card h3 {
    margin: 0;
    font-size: var(--font-size-heading-compact);
    line-height: var(--line-height-compact);
}

.catalog-side-card p {
    margin: 13px 0 18px;
    color: var(--text-body);
    font-size: var(--font-size-ui);
    line-height: var(--line-height-relaxed);
}

.catalog-side-card > a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    min-height: 36px;
    padding: 0 14px;
    border: 1px solid var(--button-secondary-border-color);
    border-radius: var(--radius);
    background: var(--button-secondary-background);
    color: var(--button-secondary-text);
    font-size: var(--font-size-ui);
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-heading);
}

.catalog-side-card > a:hover,
.catalog-side-card > a:focus-visible {
    border-color: var(--button-secondary-border-color-hover);
    background: var(--button-secondary-background-hover);
    color: var(--button-secondary-text-hover);
}

.catalog-link-list {
    display: grid;
    gap: 0;
    margin-top: 16px;
}

.catalog-link-list__item {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 16px;
    padding: 10px 0;
    color: var(--text-body);
    font-size: var(--font-size-ui);
    line-height: var(--line-height-compact);
}

.catalog-link-list__item + .catalog-link-list__item {
    border-top: 1px solid var(--border-color-soft);
}

.catalog-link-list a:hover,
.catalog-link-list a:focus-visible,
.catalog-link-list a.is-active {
    color: var(--link-color-hover);
}

.catalog-link-list span {
    min-width: 0;
}

.catalog-link-list strong {
    color: inherit;
    white-space: nowrap;
}

.catalog-filter-row {
    display: block;
    min-width: 0;
    margin-bottom: 28px;
}

.catalog-alphabet {
    display: grid;
    grid-template-columns: repeat(15, minmax(36px, 1fr));
    gap: 8px;
    min-width: 0;
    margin-bottom: 0;
}

.catalog-alphabet__link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 0;
    min-height: 40px;
    padding: 0 6px;
    border: 1px solid var(--button-secondary-border-color);
    border-radius: 8px;
    background: var(--button-secondary-background);
    color: var(--text-heading);
    font-size: var(--font-size-ui);
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-none);
}

.catalog-alphabet__link:hover:not(.is-muted),
.catalog-alphabet__link:focus-visible:not(.is-muted) {
    border-color: var(--button-secondary-border-color-hover);
    background: var(--button-secondary-background-hover);
    color: var(--button-secondary-text-hover);
}

.catalog-alphabet__link:focus-visible {
    outline: 2px solid var(--accent-focus);
    outline-offset: 2px;
}

.catalog-alphabet__link.is-active {
    border: 0;
    background: var(--button-primary-background);
    color: var(--button-primary-text);
}

.catalog-alphabet__link.is-active:hover,
.catalog-alphabet__link.is-active:focus-visible {
    background: var(--button-primary-background-hover);
    color: var(--button-primary-text);
}

.catalog-alphabet__link.is-muted:not(.is-active) {
    border-color: var(--border-color-soft);
    background: var(--surface-subtle);
    color: var(--text-disabled);
}

.catalog-section-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin: 0 0 14px;
}

.catalog-section-head h2 {
    margin: 0;
    line-height: var(--line-height-heading);
}

.catalog-sort-form {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    min-width: 0;
    width: auto;
}

.catalog-sort-form .catalog-sort {
    width: var(--filter-control-width);
}

.catalog-sort-form .catalog-sort--sort,
.catalog-sort--sort {
    width: var(--sort-control-width);
}

.catalog-sort {
    position: relative;
    display: block;
    min-width: 0;
    width: var(--filter-control-width);
}

.catalog-sort > span {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
}

.catalog-sort select {
    width: 100%;
    height: var(--filter-control-height);
    border: 1px solid var(--control-border-color-strong);
    border-radius: var(--radius);
    appearance: none;
    background-color: var(--control-background);
    color: var(--control-text);
    padding: 0 42px 0 14px;
    font-size: var(--font-size-ui);
    font-weight: var(--font-weight-semibold);
    outline: none;
}

.catalog-sort::after {
    content: "";
    position: absolute;
    top: 50%;
    right: 16px;
    width: 7px;
    height: 7px;
    border-right: 1.5px solid var(--text-muted);
    border-bottom: 1.5px solid var(--text-muted);
    pointer-events: none;
    transform: translateY(-70%) rotate(45deg);
}

.catalog-sort select:focus {
    border-color: var(--control-border-color-focus);
    box-shadow: 0 0 0 3px var(--control-focus-ring);
}

.header-search:focus-within {
    border-color: var(--control-border-color-focus);
    outline: 2px solid var(--control-focus-ring);
    outline-offset: 2px;
}

.catalog-list {
    overflow: visible;
    border: 0;
    border-radius: var(--radius);
}

.catalog-list__items {
    margin: 0;
    padding: 0;
    list-style: none;
}

.catalog-list__item {
    min-width: 0;
    margin: 0;
}

.catalog-list--headless .catalog-list__item:first-child > .catalog-row {
    border-top: 0;
}

.catalog-row {
    display: grid;
    grid-template-columns: minmax(360px, 1fr) repeat(2, minmax(92px, var(--catalog-meta-column-width)));
    gap: var(--catalog-row-gap);
    align-items: center;
    min-height: 96px;
    padding: 16px 0;
    border-top: 1px solid var(--table-row-border-color);
    color: var(--text-heading);
    text-decoration: none;
    transition: color var(--interaction-duration) var(--interaction-easing), transform var(--interaction-duration) var(--interaction-easing);
}

.catalog-row--head {
    min-height: 42px;
    padding-top: 0;
    padding-bottom: 0;
    border-top: 0;
    background: var(--table-header-background);
    color: var(--text-muted);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    line-height: var(--line-height-heading);
}

.catalog-row--head > :first-child {
    padding-left: calc(var(--icon-tile-size) + var(--icon-tile-gap));
}

.catalog-row:not(.catalog-row--head):not(.catalog-row--static):hover,
.catalog-row:not(.catalog-row--head):not(.catalog-row--static):focus-visible {
    color: var(--link-color-hover);
    transform: translateY(var(--interaction-lift));
}

.catalog-row:not(.catalog-row--head):not(.catalog-row--static):focus-visible {
    outline: 2px solid var(--accent-color);
    outline-offset: -2px;
}

.catalog-name-cell {
    display: grid;
    grid-template-columns: var(--icon-tile-size) minmax(0, 1fr);
    gap: var(--icon-tile-gap);
    align-items: start;
    min-width: 0;
}

.catalog-name-cell > .catalog-name:only-child {
    grid-column: 1 / -1;
}

.icon-tile img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.catalog-name {
    display: block;
    color: var(--text-heading);
    white-space: normal;
}

.catalog-row:not(.catalog-row--static):hover .catalog-name,
.catalog-row:not(.catalog-row--static):focus-visible .catalog-name {
    color: var(--link-color-hover);
}

.catalog-subname {
    display: block;
    margin-top: 3px;
    color: var(--text-muted);
    font-size: var(--font-size-sm);
    line-height: var(--line-height-compact);
    white-space: normal;
}

.catalog-meta-cell {
    min-width: 0;
    color: var(--text-body);
    font-size: var(--font-size-ui);
    font-weight: var(--font-weight-medium);
    line-height: var(--line-height-compact);
}

.catalog-card-summary {
    display: none;
}

.catalog-empty {
    padding: 34px;
    border: 1px solid var(--card-border-color);
    border-radius: 12px;
    background: var(--card-background);
}

.catalog-empty--spaced {
    margin-top: 20px;
}

.catalog-empty h3 {
    margin: 0;
    line-height: var(--line-height-heading);
}

.catalog-empty p {
    max-width: 560px;
    margin: 10px 0 18px;
    color: var(--text-muted);
    font-size: var(--font-size-body-sm);
    line-height: var(--line-height-body);
}

.catalog-empty a,
.faculties-empty a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 36px;
    padding: 0 14px;
    border: 1px solid var(--button-secondary-border-color);
    border-radius: var(--radius);
    background: var(--button-secondary-background);
    color: var(--button-secondary-text);
    font-size: var(--font-size-ui);
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-heading);
}

.catalog-empty a:hover,
.catalog-empty a:focus-visible,
.faculties-empty a:hover,
.faculties-empty a:focus-visible {
    border-color: var(--button-secondary-border-color-hover);
    background: var(--button-secondary-background-hover);
    color: var(--button-secondary-text-hover);
}

.catalog-empty--spaced a {
    font-weight: var(--font-weight-semibold);
    line-height: var(--line-height-compact);
}

.source-card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(min(100%, 320px), 1fr));
    column-gap: 14px;
    row-gap: 28px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.source-card-item {
    min-width: 0;
    margin: 0;
}

.source-card {
    display: grid;
    grid-template-columns: 96px minmax(0, 1fr);
    gap: 12px;
    align-items: start;
    height: 100%;
    padding: 0;
    border: 0;
    border-radius: var(--radius);
    box-shadow: none;
    color: var(--text-heading);
    transition: color var(--interaction-duration) var(--interaction-easing), transform var(--interaction-duration) var(--interaction-easing);
}

.source-cover {
    display: block;
    align-self: start;
    width: 100%;
    aspect-ratio: 210 / 297;
    overflow: hidden;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    background: var(--surface-muted);
    box-shadow: 0 2px 5px var(--shadow-color-medium);
}

.source-cover img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.source-cover__placeholder {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 12px;
    height: 100%;
    padding: 12%;
    color: var(--text-muted);
}

.source-cover__lines {
    width: 100%;
    height: 20px;
    background: repeating-linear-gradient(
        to bottom, var(--border-color-strong) 0 2px, transparent 2px 9px
    );
}

.source-cover__brand {
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    line-height: var(--line-height-compact);
}

.entity-info-card > .source-cover {
    margin-bottom: 18px;
}

.source-card__body {
    display: block;
    min-width: 0;
    padding: 0;
    line-height: var(--line-height-display);
}

.source-card__type {
    display: inline-block;
    margin-bottom: 8px;
    padding: 3px 6px;
    border-radius: var(--radius-sm);
    background: var(--surface-muted);
    color: var(--text-muted);
    font-size: var(--font-size-xs);
    line-height: var(--line-height-compact);
}

.source-card__title {
    display: block;
    color: inherit !important;
    overflow-wrap: anywhere;
    white-space: normal;
}

.source-card__author,
.source-card__year {
    display: block;
    color: var(--text-muted);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    line-height: var(--line-height-heading);
}

.source-card__author {
    margin-top: 7px;
}

.source-card__year {
    margin-top: 5px;
}

@media (max-width: 768px) {
    .source-card-grid {
        grid-template-columns: 1fr;
        row-gap: 22px;
    }

    .source-card {
        grid-template-columns: 84px minmax(0, 1fr);
    }
}

@media (max-width: 1199px) {
    .catalog-layout {
        grid-template-columns: minmax(0, 1fr);
        gap: 30px;
    }

    .catalog-aside {
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 16px;
    }

    .catalog-side-card {
        padding: 18px;
    }

    .catalog-filter-row {
        margin-bottom: 24px;
    }
}

@media (min-width: 769px) {
    .catalog-row.catalog-row--two-columns {
        grid-template-columns: minmax(360px, 1fr) minmax(92px, var(--catalog-meta-column-width));
    }

    .catalog-row.catalog-row--question-subject {
        grid-template-columns:
            minmax(360px, 1fr)
            calc(var(--catalog-meta-column-width) + var(--catalog-meta-column-width) + var(--catalog-row-gap));
    }
}

@media (max-width: 1023px) {
    .page-university .catalog-hero__overview--with-media {
        display: flex;
        flex-direction: column;
        gap: 24px;
        align-items: start;
        margin-top: 24px;
    }

    .page-university .catalog-hero__overview--with-media .catalog-hero__media {
        display: flex;
        align-items: flex-start;
        justify-content: flex-start;
        min-width: 0;
    }

    .page-university .catalog-hero__overview--with-media .catalog-hero__media img {
        display: block;
        width: 100%;
        max-width: 140px;
        height: auto;
        object-fit: contain;
    }

    .page-university .catalog-hero__overview--with-media .catalog-hero__meta {
        min-width: 0;
    }

    .page-university .catalog-hero__overview--with-media .content-detail-meta {
        margin-top: 0;
    }
}

@media (max-width: 768px) {
    :root {
        --icon-tile-size: 50px;
        --icon-tile-glyph-size: 30px;
        --icon-tile-radius: 10px;
        --icon-tile-gap: 12px;
    }

    .catalog-hero {
        margin-bottom: 22px;
    }

    .page-university .catalog-hero__overview--with-media {
        gap: calc(var(--icon-tile-gap) + 4px);
        margin-top: 22px;
    }

    .page-university .catalog-hero__overview--with-media .catalog-hero__media img {
        width: 100%;
        max-width: 140px;
    }

    .page-university .catalog-hero__meta .content-detail-meta {
        gap: 12px;
    }

    .catalog-hero p {
        font-size: var(--font-size-body-sm);
        line-height: var(--line-height-body);
    }

    .catalog-filter-row {
        margin-bottom: 20px;
    }

    .catalog-alphabet {
        display: flex;
        width: 100%;
        padding: 2px 2px 6px;
        overflow-x: auto;
        overflow-y: hidden;
        overscroll-behavior-inline: contain;
        scroll-padding-inline: 2px;
        scroll-snap-type: inline proximity;
        scrollbar-width: none;
        touch-action: pan-x;
        -webkit-overflow-scrolling: touch;
    }

    .catalog-alphabet::-webkit-scrollbar {
        display: none;
    }

    .catalog-alphabet__link {
        flex: 0 0 40px;
        width: 40px;
        padding: 0;
        scroll-snap-align: start;
    }

    .catalog-alphabet__link:first-child {
        flex-basis: 56px;
        width: 56px;
    }

    .catalog-section-head {
        align-items: stretch;
        flex-direction: column;
        gap: 12px;
    }

    .catalog-sort-form {
        width: 100%;
    }

    .catalog-sort {
        width: 100%;
    }

    .catalog-sort-form .catalog-sort {
        flex: 1 1 0;
        width: auto;
    }

    .catalog-list {
        display: block;
        border-radius: 0;
        background: transparent;
    }

    .catalog-list__items {
        display: grid;
        gap: 10px;
    }

    .catalog-row.catalog-row--head {
        display: none;
    }

    .catalog-row {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 12px;
        min-height: 0;
        padding: 16px;
        border: 0;
        border-radius: 12px;
        background: var(--surface-muted);
        box-shadow: none;
    }

    .catalog-row:not(.catalog-row--head):not(.catalog-row--static):focus-visible {
        outline-offset: 2px;
    }

    .catalog-name-cell {
        grid-column: 1 / -1;
        align-items: start;
        padding-right: 0;
    }

    .catalog-subname {
        margin-top: 5px;
    }

    .catalog-meta-cell {
        display: flex;
        align-items: flex-start;
        justify-content: flex-start;
        flex-direction: column;
        gap: 4px;
        min-height: 54px;
        padding: 10px 11px;
        border-radius: 9px;
        background: var(--surface-content);
        color: var(--text-body);
        font-weight: var(--font-weight-semibold);
        text-align: left;
        overflow-wrap: anywhere;
    }

    .catalog-meta-cell::before {
        content: attr(data-label);
        color: var(--text-muted);
        font-size: var(--font-size-2xs);
        font-weight: var(--font-weight-semibold);
        line-height: var(--line-height-heading);
        letter-spacing: 0.04em;
        text-align: left;
        text-transform: uppercase;
    }

    .catalog-row.catalog-row--mobile-card {
        grid-template-columns: var(--icon-tile-size) minmax(0, 1fr);
        gap: var(--icon-tile-gap);
        padding: 12px 0;
        border-radius: 0;
        background: transparent;
    }

    .catalog-row--mobile-card .catalog-name-cell {
        display: contents;
        padding: 0;
    }

    .catalog-row--mobile-card .icon-tile {
        display: grid;
        grid-column: 1;
        align-self: start;
        padding: 0;
    }

    .catalog-row--mobile-card .catalog-card-content {
        grid-column: 2;
        min-width: 0;
    }

    .catalog-row--mobile-card .catalog-card-summary {
        display: flex;
        flex-wrap: nowrap;
        gap: 7px;
        align-items: baseline;
        min-width: 0;
        margin-top: 7px;
        color: var(--text-body);
        font-size: var(--font-size-responsive-compact);
        font-weight: var(--font-weight-medium);
        line-height: var(--line-height-compact);
        white-space: nowrap;
    }

    .catalog-row--mobile-card .catalog-card-summary span:not([aria-hidden="true"]) {
        min-width: 0;
        overflow: visible;
        text-overflow: clip;
    }

    .catalog-row--mobile-card .catalog-card-summary span:last-child {
        flex: 0 0 auto;
    }

    .catalog-row--mobile-card .catalog-card-table-meta {
        display: none;
    }

    .catalog-aside {
        grid-template-columns: 1fr;
        gap: 14px;
    }

    .catalog-side-card {
        padding-inline: 0;
    }

    .catalog-empty {
        padding: 22px 18px;
    }
}

@media (max-width: 380px) {
    .page-catalog .catalog-row {
        gap: 10px;
        padding: 14px;
        border-radius: 10px;
    }

    .catalog-row.catalog-row--mobile-card {
        padding: 11px 0;
    }

    .page-catalog .catalog-meta-cell {
        min-height: 50px;
        padding: 9px;
        font-size: var(--font-size-sm);
    }
}

.faculties-empty {
    padding: 34px;
    border: 1px solid var(--card-border-color);
    border-radius: var(--radius);
    background: var(--card-background);
}

.faculties-empty h3 {
    margin: 0;
    line-height: var(--line-height-heading);
}

.faculties-empty p {
    max-width: 560px;
    margin: 10px 0 18px;
    color: var(--text-muted);
    font-size: var(--font-size-body-sm);
    line-height: var(--line-height-body);
}

.page-faculty-detail .site-main {
    min-width: 0;
}

.page-faculty-discipline .site-main {
    min-width: 0;
}

.faculty-discipline-page {
    min-width: 0;
}

.question-catalog__number {
    font-size: var(--font-size-body);
    font-weight: var(--font-weight-extrabold);
    line-height: var(--line-height-none);
}

.question-catalog__sources {
    text-align: left;
}

.question-catalog__summary {
    color: var(--text-body);
}

.catalog-pagination {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin: 28px 0 64px;
}

.catalog-pagination a,
.catalog-pagination span {
    display: inline-grid;
    place-items: center;
    min-width: 40px;
    height: 40px;
    padding: 0 10px;
    border: 1px solid var(--button-secondary-border-color);
    border-radius: 8px;
    background: var(--button-secondary-background);
    color: var(--text-heading);
    font-size: var(--font-size-ui);
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-none);
}

.catalog-pagination a:hover,
.catalog-pagination a:focus-visible {
    border-color: var(--button-secondary-border-color-hover);
    background: var(--button-secondary-background-hover);
    color: var(--button-secondary-text-hover);
}

.catalog-pagination a:focus-visible {
    outline: 2px solid var(--accent-focus);
    outline-offset: 2px;
}

.catalog-pagination .is-current {
    border: 0;
    background: var(--button-primary-background);
    color: var(--button-primary-text);
}

.catalog-pagination .is-disabled {
    border-color: var(--border-color-soft);
    background: var(--surface-subtle);
    color: var(--text-disabled);
}

.catalog-pagination .is-gap {
    border-color: transparent;
    background: transparent;
    color: var(--text-disabled);
}

@media (max-width: 768px) {
    .faculties-empty {
        padding: 22px 18px;
    }
}

.university-section {
    scroll-margin-top: calc(var(--header-height) + 28px);
}

@media (max-width: 1439px) {
    :root {
        --layout-padding-x: 28px;
        --layout-gap: 28px;
        --sidebar-left-width: 200px;
    }
}

@media (max-width: 1199px) {
    :root {
        --layout-padding-x: 24px;
        --layout-gap: 24px;
        --sidebar-left-width: 160px;
        --right-sidebar-width: 248px;
    }

    .header-drawer__section {
        padding: 0 22px;
    }

    .site-header__inner {
        grid-template-columns: var(--header-logo-column-width) minmax(0, 1fr) var(--header-menu-column-width);
    }

    .header-drawer__promo {
        grid-template-columns: 124px minmax(0, 1fr);
        gap: 20px;
    }

    .header-drawer__promo-art {
        width: 124px;
    }
}

@media (max-width: 1023px) {
    .header-drawer__grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        row-gap: 30px;
    }

    .header-drawer__section {
        min-height: 0;
        padding: 0 24px;
    }

    .header-drawer__section:nth-child(odd) {
        padding-left: 0;
        border-left: 0;
    }

    .header-drawer__section:nth-child(even) {
        padding-right: 0;
    }

    .header-drawer__section:last-child {
        grid-column: 1 / -1;
        padding-right: 0;
    }

    .header-drawer__promo {
        grid-template-columns: 112px minmax(0, 1fr);
    }

    .header-drawer__promo-art {
        width: 112px;
    }

    .site-layout,
    .page-question .site-layout,
    .page-article .site-layout,
    .page-with-right-sidebar .site-layout {
        grid-template-columns: minmax(0, 1fr);
        padding: 24px var(--layout-padding-x);
    }

    .sidebar-left,
    .sidebar-right {
        display: none;
    }

    .site-footer__grid {
        grid-template-columns: 1fr;
    }

    .toc-panel--mobile {
        display: block;
        max-height: none;
        margin: 0 0 24px;
        padding: 18px 0;
        overflow-x: hidden;
    }

    .guide-card-grid--split {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    :root {
        --layout-padding-x: 18px;
        --layout-gap: 18px;
    }

    .site-header__inner {
        grid-template-columns: minmax(0, 1fr) 40px 40px;
        padding: 0 var(--layout-padding-x);
        gap: 8px;
    }

    .site-header::before {
        content: "";
        position: absolute;
        right: 0;
        bottom: 100%;
        left: 0;
        height: 100vh;
        height: 100dvh;
        background: var(--surface-page);
        pointer-events: none;
    }

    .header-search {
        display: none;
    }

    .header-search-toggle,
    .header-search__close {
        width: 40px;
        height: 40px;
        display: inline-grid;
        place-items: center;
        padding: 0;
        border: 1px solid var(--line);
        border-radius: var(--radius);
        background: var(--surface-overlay);
        color: var(--text-heading);
        cursor: pointer;
    }

    .header-search-toggle {
        justify-self: end;
    }

    .header-search-toggle .icon,
    .header-search__close .icon {
        width: 20px;
        height: 20px;
    }

    .burger-button {
        width: 40px;
        min-width: 40px;
        height: 40px;
        margin-left: 0;
        gap: 0;
        padding: 0;
    }

    .burger-button__icon-wrap {
        flex-basis: 21px;
    }

    .burger-button__label {
        display: none;
    }

    .site-header.is-mobile-search-open .header-search {
        position: absolute;
        inset: 0;
        z-index: 2;
        display: grid;
        height: auto;
        grid-template-columns: minmax(0, 1fr) 40px;
        align-items: center;
        gap: 8px;
        padding: 0 var(--layout-padding-x);
        border: 0;
        border-radius: 0;
        background: var(--surface-overlay-strong);
    }

    .site-header.is-mobile-search-open .header-search__icon {
        display: none;
    }

    .site-header.is-mobile-search-open .header-search:focus-within {
        border-color: transparent;
        outline: 0;
    }

    .site-header.is-mobile-search-open .header-search__submit {
        display: none;
    }

    .site-header.is-mobile-search-open .header-search__close {
        display: inline-grid;
    }

    .site-header.is-mobile-search-open .header-search input {
        height: 40px;
        border-radius: var(--radius);
    }

    .site-header.is-mobile-search-open .header-search input:focus-visible {
        outline: 2px solid var(--control-focus-ring);
        outline-offset: -2px;
    }

    .site-header.is-mobile-search-open .header-search__dropdown {
        right: 0;
        left: 0;
        width: 100%;
    }

    .catalog-pagination {
        margin-bottom: 48px;
    }

    .header-drawer {
        max-height: calc(100vh - var(--header-height));
        overflow-y: auto;
    }

    .header-drawer__content {
        padding: 24px 18px 22px;
    }

    .header-drawer__grid {
        grid-template-columns: 1fr;
        row-gap: 6px;
    }

    .header-drawer__section,
    .header-drawer__section:nth-child(odd),
    .header-drawer__section:nth-child(even) {
        padding: 0;
    }

    .header-drawer__section,
    .header-drawer__section:nth-child(even) {
        border-left: 0;
    }

    .header-drawer__section {
        padding-bottom: 16px;
        border-bottom: 1px solid var(--line);
    }

    .header-drawer__section:last-child {
        border-bottom: 0;
    }

    .header-drawer__section p {
        margin: 10px 0 14px;
    }

    .header-drawer__section a {
        margin-bottom: 10px;
    }

    .header-drawer__promo {
        grid-template-columns: 1fr;
        gap: 14px;
        margin-top: 16px;
        padding: 18px;
    }

    .header-drawer__promo-art {
        display: none;
    }

    .site-layout {
        padding: 22px var(--layout-padding-x);
    }

    .card {
        padding: 0 0 24px;
    }

    .content-detail-hero {
        margin-bottom: 22px;
    }

    .content-detail-hero h1 {
        line-height: var(--line-height-display);
    }

    .content-detail-meta {
        gap: 12px 18px;
        margin-top: 18px;
    }

    .guide-card-grid--split {
        gap: 12px;
    }

    .guide-card--next {
        text-align: left;
    }

}

.home-hero {
    --home-hero-flow-gap: 28px;

    display: grid;
    grid-template-columns: minmax(460px, 0.52fr) minmax(400px, 0.48fr);
    grid-template-areas:
        "content visual"
        "actions visual"
        "community visual";
    gap: 0;
    align-items: start;
    min-height: 420px;
    margin: 0 0 44px;
}

.home-hero__content {
    grid-area: content;
    position: relative;
    z-index: 1;
    min-width: 0;
    padding: 0;
}

.page-kicker {
    margin: 0 0 12px;
    color: var(--text-accent);
    font-size: var(--font-size-body-lg);
    font-weight: var(--font-weight-semibold);
    line-height: var(--line-height-compact);
}

.home-hero h1 {
    max-width: none;
    margin: 0;
    font-family: var(--font-main);
    font-size: var(--font-size-heading-home);
    font-weight: var(--font-weight-semibold);
    line-height: var(--line-height-heading);
    letter-spacing: 0;
    text-wrap: balance;
}

.home-hero__tagline {
    max-width: none;
    margin: 0;
    background: var(--button-primary-background);
    background-clip: text;
    color: var(--text-accent);
    font-family: var(--font-main);
    font-size: var(--font-size-heading-home);
    font-weight: var(--font-weight-semibold);
    line-height: var(--line-height-heading);
    white-space: nowrap;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.home-hero__lead {
    max-width: 48ch;
    margin: var(--home-hero-flow-gap) 0 0;
    color: var(--text-body);
    font-size: var(--font-size-body-lg);
    line-height: var(--line-height-relaxed);
}

.home-hero__actions {
    grid-area: actions;
    position: relative;
    z-index: 1;
    display: flex;
    flex-wrap: nowrap;
    gap: 12px;
    margin-top: var(--home-hero-flow-gap);
}

.action-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 44px;
    border-radius: var(--radius);
    padding: 0 20px;
    font-size: var(--font-size-ui);
    font-weight: var(--font-weight-semibold);
    line-height: var(--line-height-none);
    white-space: nowrap;
}

.home-hero__actions .action-button {
    gap: 12px;
    padding: 0 17px;
}

.home-hero__actions .action-button--primary {
    border: none;
}

.action-button--primary {
    border: 1px solid var(--button-primary-border-color);
    background: var(--button-primary-background);
    color: var(--button-primary-text);
}

.home-hero__community {
    grid-area: community;
    display: grid;
    grid-template-columns: max-content minmax(0, 1fr);
    gap: 12px;
    align-items: center;
    max-width: 430px;
    margin-top: 35px;
}

.home-hero__community-faces {
    display: flex;
    align-items: center;
}

.home-hero__community-faces > * {
    flex: 0 0 auto;
    width: 36px;
    height: 36px;
    border: 2px solid var(--surface-content);
    border-radius: 50%;
    background: var(--surface-muted);
}

.home-hero__community-faces > * + * {
    margin-left: -10px;
}

.home-hero__community-faces img {
    object-fit: cover;
}

.home-hero__community-faces span {
    display: grid;
    place-items: center;
    color: var(--text-accent);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    line-height: var(--line-height-none);
}

.home-hero__community p {
    min-width: 0;
    margin: 0;
}

.home-hero__community strong,
.home-hero__community p span {
    display: block;
}

.home-hero__community strong {
    font-size: var(--font-size-ui);
    line-height: var(--line-height-heading);
}

.home-hero__community p span {
    margin-top: 4px;
    color: var(--text-muted);
    font-size: var(--font-size-sm);
    line-height: var(--line-height-compact);
}

.action-button--primary:hover,
.action-button--primary:focus-visible {
    border-color: var(--button-border-color-hover);
    background: var(--button-primary-background-hover);
    color: var(--button-primary-text);
}

.action-button--primary:active {
    border-color: var(--button-border-color-hover);
    background: var(--button-primary-background-active);
}

.action-button--secondary {
    border: 1px solid var(--button-secondary-border-color);
    background: var(--button-secondary-background);
    color: var(--button-secondary-text);
}

.action-button--secondary:hover,
.action-button--secondary:focus-visible {
    border-color: var(--button-secondary-border-color-hover);
    background: var(--button-secondary-background-hover);
    color: var(--button-secondary-text-hover);
}

.action-button .icon {
    width: 18px;
    height: 18px;
}

.error-page {
    display: grid;
    grid-template-columns: minmax(0, 0.68fr) minmax(260px, 0.32fr);
    align-items: start;
    gap: clamp(28px, 4vw, 56px);
}

.error-page__copy {
    min-width: 0;
}

.error-page h1 {
    margin: 0;
    font-size: var(--font-size-heading-page);
    line-height: var(--line-height-display);
}

.error-page__lead {
    margin: 24px 0 0;
    color: var(--text-body);
    font-size: var(--font-size-body-lg);
    line-height: var(--line-height-relaxed);
}

.error-page__guidance {
    margin: 12px 0 0;
    color: var(--text-muted);
    font-size: var(--font-size-body);
    line-height: var(--line-height-body);
}

.error-page__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 32px;
}

.error-page__support {
    margin: 28px 0 0;
    color: var(--text-muted);
    font-size: var(--font-size-sm);
    line-height: var(--line-height-body);
}

.error-page__visual {
    display: grid;
    place-items: center;
    padding-top: 38px;
    color: var(--accent-color);
}

.error-page__code {
    font-size: var(--font-size-error-code);
    font-weight: var(--font-weight-extrabold);
    line-height: var(--line-height-none);
    font-variant-numeric: tabular-nums;
}

@media (max-width: 1199px) {
    .error-page {
        grid-template-columns: minmax(0, 1fr);
    }

    .error-page__visual {
        display: none;
    }
}

@media (max-width: 768px) {
    .error-page__actions .action-button {
        flex: 1 1 180px;
    }
}

.home-hero__visual {
    grid-area: visual;
    min-width: 0;
    align-self: stretch;
    justify-self: stretch;
    width: 100%;
    min-height: 420px;
    background-image: url("./images/main-hero-block.cf8d0859e9f5.webp");
    background-position: center;
    background-repeat: no-repeat;
    background-size: min(100%, 1448px) auto;
}

.home-how {
    margin: 72px 0 0;
    padding: 0;
    background: transparent;
    scroll-margin-top: calc(var(--header-height) + 34px);
}

.home-how h2 {
    margin: 0;
    line-height: var(--line-height-heading);
    letter-spacing: 0;
}

.home-how__steps {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 32px;
    margin-top: 40px;
}

.home-step {
    --home-step-content-offset: 54px;

    position: relative;
    min-width: 0;
    text-align: left;
}

.home-step__number {
    position: absolute;
    top: calc(100% + 24px);
    left: 0;
    z-index: 1;
    width: 38px;
    height: 38px;
    display: grid;
    place-items: center;
    border-radius: var(--radius);
    background: var(--accent-gradient);
    color: var(--accent-contrast);
    font-size: var(--font-size-body-sm);
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-none);
}

.home-step__art {
    position: relative;
    width: 100%;
    height: 150px;
    margin: 0;
    padding: 0;
    background-position: var(--home-step-content-offset) center;
    background-repeat: no-repeat;
    background-size: auto 150px;
}

.home-step__art--university {
    background-image: url("./images/main-hero-block-university2.045ca51d9142.webp");
}

.home-step__art--question {
    background-image: url("./images/main-hero-block-questions2.a497c36b56d0.webp");
}

.home-step__art--sources {
    background-image: url("./images/main-hero-block-sources.748f61896eba.webp");
}

.home-step h3 {
    max-width: none;
    min-height: 44px;
    display: flex;
    align-items: flex-start;
    justify-content: flex-start;
    margin: 24px 0 0;
    padding-left: var(--home-step-content-offset);
    line-height: var(--line-height-heading);
    text-align: left;
}

.home-step p {
    max-width: none;
    min-height: 66px;
    margin: 28px 0 0;
    padding: 0 8px 0 var(--home-step-content-offset);
    color: var(--text-body);
    font-size: var(--font-size-ui);
    line-height: var(--line-height-body);
    text-align: left;
}

@media (max-width: 1199px) {
    .home-hero {
        --home-hero-flow-gap: 26px;

        grid-template-columns: minmax(430px, 0.54fr) minmax(350px, 0.46fr);
        min-height: 360px;
        margin-bottom: 34px;
    }

    .home-hero__visual {
        min-height: 360px;
    }

    .home-hero__lead {
        font-size: var(--font-size-body);
    }

    .home-how {
        margin-top: 64px;
        margin-bottom: 0;
    }

    .home-how__steps {
        gap: 24px;
        margin-top: 36px;
    }

    .home-step {
        --home-step-content-offset: 44px;
    }

    .home-step__number {
        width: 36px;
        height: 36px;
    }

    .home-step p {
        min-height: 62px;
    }

}

@media (max-width: 1023px) {
    .home-hero {
        grid-template-columns: minmax(420px, 0.56fr) minmax(280px, 0.44fr);
    }

    .home-hero h1,
    .home-hero__tagline {
        font-size: var(--font-size-heading-home-compact);
    }

}

.home-russian-universities,
.home-faculties,
.home-popular-disciplines,
.home-latest-questions,
.home-sources {
    min-width: 0;
    margin: 0 0 72px;
}

.home-russian-universities {
    margin-top: 72px;
}

.home-popular-disciplines__inner {
    min-width: 0;
    padding: 0;
}

.home-section__head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    margin: 0 0 18px;
}

.home-section__head h2 {
    margin: 0;
    line-height: var(--line-height-heading);
    letter-spacing: 0;
}

.home-section__actions {
    display: flex;
    justify-content: center;
    margin-top: 18px;
}

.home-section__actions .content-chip-link {
    font-weight: var(--font-weight-medium);
}

.home-university-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 14px;
}

.home-university-card {
    display: grid;
    grid-template-columns: 1fr;
    justify-items: center;
    align-content: start;
    min-height: 232px;
    padding: 26px 18px 20px;
    border: 0;
    border-radius: 4px;
    background: var(--surface-content);
    box-shadow: none;
    color: var(--text-heading);
    text-align: center;
    transition: color var(--interaction-duration) var(--interaction-easing), transform var(--interaction-duration) var(--interaction-easing);
}

.home-university-card__logo {
    width: clamp(92px, 8.5vw, 120px);
    height: clamp(92px, 8.5vw, 120px);
    display: grid;
    place-items: center;
    margin: 0 0 18px;
}

.home-university-card__logo img {
    width: auto;
    height: auto;
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.home-university-card strong {
    color: inherit !important;
    font-size: var(--font-size-heading-compact);
    line-height: var(--line-height-heading);
    white-space: normal;
}

.home-university-card span:not(.home-university-card__logo) {
    margin-top: 7px;
    color: var(--text-body);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    line-height: var(--line-height-compact);
}

.home-faculty-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
}

.home-faculty-card__body strong {
    max-inline-size: 17ch;
}

.home-discipline-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 14px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.home-catalog-card {
    display: grid;
    grid-template-columns: var(--icon-tile-size) minmax(0, 1fr);
    gap: var(--icon-tile-gap);
    align-items: start;
    min-width: 0;
    min-height: 112px;
    padding: 16px 0;
    border: 0;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
    color: var(--text-heading);
    text-align: left;
    transition: color var(--interaction-duration) var(--interaction-easing), transform var(--interaction-duration) var(--interaction-easing);
}

:is(.source-card, .home-university-card, a.home-catalog-card):is(:hover, :focus-visible) {
    color: var(--link-color-hover);
    transform: translateY(var(--interaction-lift));
}

.home-catalog-card__body {
    min-width: 0;
}

.home-catalog-card__body strong {
    display: block;
    overflow: visible;
    min-height: 0;
    color: inherit !important;
    text-overflow: clip;
    text-wrap: pretty;
    white-space: normal;
    overflow-wrap: break-word;
}

.home-catalog-card__body span {
    display: block;
    margin-top: 7px;
    color: var(--text-body);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    line-height: var(--line-height-heading);
}

/* Center short icon labels; taller content naturally grows from the top edge. */
.icon-tile + :where(.catalog-card-content, .home-catalog-card__body, p) {
    display: grid;
    align-content: center;
    min-height: var(--icon-tile-size);
}

.page-university .home-discipline-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.search-page {
    padding-bottom: 80px;
}

.search-page-form {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 0;
    margin: 28px 0 18px;
}

.search-page-form input {
    min-width: 0;
    height: 46px;
    border: 1px solid var(--control-border-color);
    border-radius: var(--radius) 0 0 var(--radius);
    padding: 0 16px;
    background: var(--control-background);
    color: var(--control-text);
    outline: none;
}

.search-page-form button {
    height: 46px;
    border: 1px solid var(--button-primary-border-color);
    border-radius: 0 var(--radius) var(--radius) 0;
    padding: 0 24px;
    background: var(--button-primary-background);
    color: var(--button-primary-text);
    font-weight: var(--font-weight-extrabold);
    cursor: pointer;
}

.search-type-filter {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 0 0 22px;
}

.search-type-filter a {
    display: inline-flex;
    align-items: center;
    min-height: 34px;
    padding: 0 12px;
    border: 1px solid var(--button-secondary-border-color);
    border-radius: var(--radius);
    background: var(--button-secondary-background);
    color: var(--button-secondary-text);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-bold);
}

.search-type-filter a:hover,
.search-type-filter a:focus-visible {
    border-color: var(--button-secondary-border-color-hover);
    background: var(--button-secondary-background-hover);
    color: var(--button-secondary-text-hover);
}

.search-type-filter a.is-active {
    border-color: var(--button-primary-border-color);
    background: var(--button-primary-background);
    color: var(--button-primary-text);
}

.search-type-filter a.is-active:is(:hover, :focus-visible) {
    border-color: var(--button-border-color-hover);
    background: var(--button-primary-background-hover);
    color: var(--button-primary-text);
}

.search-results-head {
    margin: 0 0 14px;
    color: var(--text-muted);
    font-size: var(--font-size-ui);
}

.search-result-list {
    display: grid;
    gap: 28px;
}

.search-result {
    padding: 18px 0;
    border-top: 1px solid var(--line-soft);
}

.search-result:last-child {
    border-bottom: 1px solid var(--line-soft);
}

.search-result__title {
    display: inline-block;
    color: var(--link-color);
    font-size: var(--font-size-heading-subsection);
    font-weight: var(--font-weight-heading);
    line-height: var(--line-height-heading);
}

.search-result__meta {
    margin-top: 6px;
    color: var(--text-muted);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
}

.search-result__description {
    max-width: 720px;
    margin: 9px 0 0;
    color: var(--text-body);
    font-size: var(--font-size-body-sm);
    line-height: var(--line-height-body);
}

.search-empty {
    margin-top: 24px;
    padding: 24px 0;
    border-top: 1px solid var(--line-soft);
    border-bottom: 1px solid var(--line-soft);
}

.search-empty h3 {
    margin: 0 0 8px;
}

.search-empty p {
    margin: 0;
    color: var(--text-muted);
}

.search-pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-top: 28px;
}

.search-pagination a,
.search-pagination span {
    display: inline-grid;
    place-items: center;
    min-width: 40px;
    min-height: 36px;
    padding: 0 12px;
    border: 1px solid var(--button-secondary-border-color);
    border-radius: var(--radius);
    background: var(--button-secondary-background);
    color: var(--button-secondary-text);
    font-size: var(--font-size-ui);
    font-weight: var(--font-weight-bold);
}

.search-pagination .is-disabled {
    border-color: transparent;
    background: transparent;
    color: var(--text-disabled);
}

.search-page-form input:focus {
    border-color: var(--control-border-color-focus);
    box-shadow: 0 0 0 3px var(--control-focus-ring);
}

.header-search__submit,
.search-page-form button {
    box-sizing: border-box;
    transition: border-color var(--interaction-duration) var(--interaction-easing), background-color var(--interaction-duration) var(--interaction-easing), color var(--interaction-duration) var(--interaction-easing), transform var(--interaction-duration) var(--interaction-easing);
}

.header-search__submit:hover,
.header-search__submit:focus-visible,
.search-page-form button:hover,
.search-page-form button:focus-visible {
    border-color: var(--button-border-color-hover);
    background: var(--button-primary-background-hover);
    color: var(--button-primary-text);
}

.header-search__submit:active,
.search-page-form button:active {
    background: var(--button-primary-background-active);
}

.header-search__submit:focus-visible,
.search-page-form button:focus-visible {
    outline: 2px solid var(--control-focus-ring);
    outline-offset: 2px;
}

.search-pagination a:hover,
.search-pagination a:focus-visible {
    border-color: var(--button-secondary-border-color-hover);
    background: var(--button-secondary-background-hover);
    color: var(--button-secondary-text-hover);
}

/* Shared lift for primary actions and the unified outlined-button system. */
:where(
    .action-button,
    .content-chip-link,
    .guide-card,
    .toc-top-link,
    .catalog-side-card > a,
    .catalog-alphabet__link:not(.is-muted),
    .catalog-empty a,
    .faculties-empty a,
    .catalog-pagination a,
    .search-type-filter a,
    .search-pagination a
) {
    transition: border-color var(--interaction-duration) var(--interaction-easing), color var(--interaction-duration) var(--interaction-easing), transform var(--interaction-duration) var(--interaction-easing);
}

:where(
    .action-button,
    .content-chip-link,
    .guide-card,
    .toc-top-link,
    .catalog-side-card > a,
    .catalog-alphabet__link:not(.is-muted),
    .catalog-empty a,
    .faculties-empty a,
    .catalog-pagination a,
    .search-type-filter a,
    .search-pagination a
):is(:hover, :focus-visible) {
    transform: translateY(var(--interaction-lift));
}

@media (max-width: 1199px) {
    .home-university-grid,
    .home-faculty-grid,
    .home-discipline-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

@media (max-width: 1023px) {
    .home-university-grid,
    .home-faculty-grid,
    .home-discipline-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 768px) {
    .home-russian-universities,
    .home-faculties,
    .home-popular-disciplines,
    .home-latest-questions,
    .home-sources {
        margin-bottom: 54px;
    }

    .home-russian-universities {
        margin-top: 54px;
    }

    .home-section__head {
        align-items: flex-start;
        flex-direction: column;
        gap: 8px;
    }

    .search-page-form {
        grid-template-columns: 1fr;
        gap: 8px;
    }

    .search-page-form input,
    .search-page-form button {
        border-radius: var(--radius);
    }

}

@media (max-width: 1023px) {
    .home-how {
        margin-top: 58px;
    }

    .home-how__steps {
        gap: 20px;
        margin: 36px 0 0;
    }

    .home-step h3,
    .home-step p {
        min-height: 0;
    }

    .home-step__number {
        top: calc(100% + 25px);
    }
}

@media (max-width: 768px) {
    .home-hero {
        --home-hero-flow-gap: 22px;

        display: grid;
        grid-template-columns: minmax(0, 1fr);
        grid-template-areas:
            "content"
            "visual"
            "actions"
            "community";
        min-height: 0;
        margin-bottom: 34px;
    }

    .page-kicker {
        font-size: var(--font-size-body-sm);
    }

    .home-hero h1 {
        max-width: none;
    }

    .home-hero__tagline {
        max-width: none;
    }

    .home-hero__lead {
        max-width: none;
        font-size: var(--font-size-body-lg);
        line-height: var(--line-height-body);
    }

    .home-hero__visual {
        display: block;
        width: 100%;
        max-width: 560px;
        min-height: 0;
        aspect-ratio: 4 / 3;
        margin: 16px auto 0;
        background-position: center top;
    }

    .home-hero__community {
        position: relative;
        z-index: 1;
        margin-top: 18px;
    }

    .home-hero__actions {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 10px;
    }

    .home-hero__actions .action-button {
        min-width: 0;
        width: 100%;
        min-height: 44px;
        font-size: var(--font-size-responsive-ui);
    }

    .home-hero__actions .action-button .icon {
        width: 16px;
        height: 16px;
    }

    .page-home .home-university-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 10px;
    }

    .page-home .home-faculty-grid,
    .page-home .home-discipline-grid,
    .page-university .home-discipline-grid {
        grid-template-columns: minmax(0, 1fr);
        gap: 10px;
    }

    .page-home .home-university-card {
        grid-template-columns: 1fr;
        justify-items: center;
        align-content: start;
        min-height: 0;
        padding: 14px 8px;
        text-align: center;
    }

    .page-home .home-university-card__logo {
        grid-row: auto;
        width: clamp(64px, 12vw, 88px);
        height: clamp(64px, 12vw, 88px);
        margin: 0 0 12px;
    }

    .page-home .home-university-card span:not(.home-university-card__logo) {
        margin-top: 5px;
        font-size: var(--font-size-2xs);
    }

    .page-home .home-faculty-card__body strong {
        max-inline-size: 100%;
        width: 100%;
        overflow-wrap: anywhere;
    }

    .page-home .home-catalog-card,
    .page-university .home-catalog-card {
        min-height: 0;
        padding: 12px 0;
    }

    .page-home .home-catalog-card__body,
    .page-home .home-catalog-card__body strong,
    .page-university .home-catalog-card__body,
    .page-university .home-catalog-card__body strong {
        width: 100%;
        min-width: 0;
    }

    .home-how {
        margin: 54px 0 0;
    }

    .home-how__steps {
        grid-template-columns: minmax(0, 1fr);
        gap: 0;
        margin-top: 36px;
    }

    .home-step {
        display: grid;
        grid-template-columns: minmax(140px, 0.44fr) minmax(0, 0.56fr);
        grid-template-rows: 36px auto auto;
        column-gap: 24px;
        row-gap: 16px;
        align-items: start;
        padding: 40px 0;
    }

    .home-step:first-child {
        padding-top: 0;
    }

    .home-step:last-child {
        padding-bottom: 0;
    }

    .home-step + .home-step {
        border-top: 1px solid var(--divider-color);
    }

    .home-step__art {
        grid-column: 1;
        grid-row: 1 / span 3;
        background-position: left center;
        background-size: contain;
    }

    .home-step__number {
        top: 0;
        left: calc(100% + 24px);
    }

    .home-step h3 {
        grid-column: 2;
        grid-row: 2;
        margin: 0;
        padding: 0;
    }

    .home-step p {
        grid-column: 2;
        grid-row: 3;
        margin: 0;
        padding: 0;
    }

}

@media (max-width: 380px) {
    .home-hero__actions .action-button {
        gap: 6px;
        padding: 0 8px;
        font-size: var(--font-size-2xs);
    }

    .home-hero__actions .action-button .icon {
        width: 14px;
        height: 14px;
    }

    .home-step {
        grid-template-columns: minmax(125px, 0.42fr) minmax(0, 0.58fr);
        column-gap: 16px;
    }

    .home-step__number {
        left: calc(100% + 16px);
    }

}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    .content-detail-meta__link,
    .catalog-row:not(.catalog-row--head):not(.catalog-row--static),
    .term-source-list__item,
    a.home-catalog-card,
    .home-university-card,
    .source-card {
        transition: none;
    }

    .catalog-row:not(.catalog-row--head):not(.catalog-row--static):hover,
    .catalog-row:not(.catalog-row--head):not(.catalog-row--static):focus-visible,
    .term-source-list__item:hover,
    .term-source-list__item:focus-visible,
    :is(.source-card, .home-university-card, a.home-catalog-card):is(:hover, :focus-visible) {
        transform: none;
    }

    :where(
        .action-button,
        .content-chip-link,
        .guide-card,
        .toc-top-link,
        .catalog-side-card > a,
        .catalog-alphabet__link:not(.is-muted),
        .catalog-empty a,
        .faculties-empty a,
        .catalog-pagination a,
        .search-type-filter a,
        .search-pagination a
    ) {
        transition: none;
    }

    :where(
        .action-button,
        .content-chip-link,
        .guide-card,
        .toc-top-link,
        .catalog-side-card > a,
        .catalog-alphabet__link:not(.is-muted),
        .catalog-empty a,
        .faculties-empty a,
        .catalog-pagination a,
        .search-type-filter a,
        .search-pagination a
    ):is(:hover, :focus-visible) {
        transform: none;
    }
}