.catalog-home {
    --catalog-accent: #ff5421;
    --catalog-ink: #252a34;
    --catalog-muted: #69707d;
    --catalog-line: #e8eaf0;
    --catalog-surface: #ffffff;
    --catalog-soft: #f7f8fb;
    background: var(--catalog-soft);
    padding-block: 72px 88px;
}

.catalog-listing {
    --catalog-accent: #ff5421;
    --catalog-ink: #252a34;
    --catalog-muted: #69707d;
    --catalog-line: #e8eaf0;
    --catalog-surface: #ffffff;
    --catalog-soft: #f7f8fb;
    background: var(--catalog-soft);
    padding-block: 54px 80px;
}

.catalog-home__container {
    max-width: 1680px;
    padding-inline: clamp(16px, 3vw, 48px);
}

.catalog-home__intro {
    max-width: 760px;
    margin-block-end: 32px;
    text-align: start;
}

.catalog-home__eyebrow {
    display: inline-block;
    margin-block-end: 8px;
    color: var(--catalog-accent);
    font-size: 14px;
    font-weight: 700;
}

.catalog-home__intro h2 {
    margin-block-end: 10px;
    color: var(--catalog-ink);
    font-size: clamp(28px, 3vw, 42px);
}

.catalog-home__intro p,
.catalog-section__header p {
    margin: 0;
    color: var(--catalog-muted);
    line-height: 1.9;
}

.catalog-layout {
    display: grid;
    grid-template-areas: "sidebar content";
    grid-template-columns: minmax(230px, 280px) minmax(0, 1fr);
    gap: clamp(24px, 3vw, 44px);
    align-items: start;
}

.catalog-sidebar {
    grid-area: sidebar;
    position: sticky;
    top: 110px;
    max-height: calc(100vh - 130px);
    overflow-y: auto;
    background: var(--catalog-surface);
    border: 1px solid var(--catalog-line);
    border-radius: 18px;
    padding: 22px;
    text-align: start;
    box-shadow: 0 12px 34px rgb(28 36 52 / 7%);
}

.catalog-sidebar__header {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    align-items: start;
    padding-block-end: 18px;
    border-block-end: 1px solid var(--catalog-line);
}

.catalog-sidebar__header span {
    color: var(--catalog-accent);
    font-size: 12px;
    font-weight: 700;
}

.catalog-sidebar__header h2 {
    margin: 4px 0 0;
    color: var(--catalog-ink);
    font-size: 20px;
}

.catalog-sidebar__group {
    margin: 0;
    padding-block: 20px;
    border-block-end: 1px solid var(--catalog-line);
}

.catalog-sidebar__group:last-child {
    padding-block-end: 0;
    border-block-end: 0;
}

.catalog-sidebar__group h3,
.catalog-sidebar__group summary {
    margin: 0 0 12px;
    color: var(--catalog-ink);
    font-size: 15px;
    font-weight: 800;
}

.catalog-sidebar__group summary {
    cursor: pointer;
    list-style-position: inside;
}

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

.catalog-sidebar__group li + li {
    margin-block-start: 5px;
}

.catalog-sidebar__group a {
    display: flex;
    gap: 9px;
    align-items: center;
    min-height: 38px;
    padding-block: 7px;
    padding-inline: 10px;
    border-radius: 9px;
    color: #4a5160;
    font-size: 14px;
    line-height: 1.6;
}

.catalog-sidebar__link.is-active,
.catalog-sidebar__link[aria-current="page"] {
    background: #fff0e9;
    color: var(--catalog-accent);
    font-weight: 800;
}

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

.catalog-tree--shapes {
    margin-block: 6px 10px;
    margin-inline-start: 10px;
    padding-inline-start: 10px;
    border-inline-start: 2px solid var(--catalog-line);
}

.catalog-tree--filters {
    margin-block: 3px 8px;
    margin-inline-start: 12px;
    padding-inline-start: 10px;
    border-inline-start: 1px solid var(--catalog-line);
}

.catalog-tree--filters .catalog-sidebar__link {
    min-height: 32px;
    font-size: 13px;
    font-weight: 400;
}

.catalog-tree__row {
    display: flex;
    gap: 4px;
    align-items: center;
}

.catalog-tree__row > .catalog-sidebar__link {
    flex: 1;
    min-width: 0;
}

.catalog-disclosure {
    display: flex;
    justify-content: space-between;
    gap: 10px;
    align-items: center;
    width: 100%;
    min-height: 38px;
    padding-block: 7px;
    padding-inline: 10px;
    border: 0;
    border-radius: 9px;
    background: transparent;
    color: #4a5160;
    font: inherit;
    font-size: 14px;
    text-align: start;
}

.catalog-disclosure:hover,
.catalog-disclosure:focus-visible,
.catalog-disclosure.is-current {
    background: #fff3ee;
    color: var(--catalog-accent);
}

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

.catalog-disclosure--compact {
    flex: none;
    justify-content: center;
    width: 34px;
    min-height: 34px;
    padding: 0;
}

.catalog-disclosure__icon {
    flex: none;
    transition: transform 180ms ease;
}

.catalog-disclosure[aria-expanded="true"] .catalog-disclosure__icon {
    transform: rotate(180deg);
}

.catalog-tree [hidden] {
    display: none;
}

.catalog-sidebar__group a:hover,
.catalog-sidebar__group a:focus-visible {
    background: #fff3ee;
    color: var(--catalog-accent);
}

.catalog-sidebar__subgroup {
    margin-block-start: 18px;
    padding-inline-start: 8px;
    border-inline-start: 2px solid var(--catalog-line);
}

.catalog-sidebar__subgroup h3 {
    font-size: 13px;
}

.catalog-main {
    grid-area: content;
    min-width: 0;
}

.catalog-section {
    background: var(--catalog-surface);
    border: 1px solid var(--catalog-line);
    border-radius: 20px;
    padding: clamp(18px, 2.4vw, 30px);
    box-shadow: 0 12px 34px rgb(28 36 52 / 5%);
}

.catalog-section + .catalog-section {
    margin-block-start: 28px;
}

.catalog-section__header {
    display: flex;
    justify-content: space-between;
    gap: 24px;
    align-items: end;
    margin-block-end: 24px;
    text-align: start;
}

.catalog-section__header h2 {
    margin: 0 0 6px;
    color: var(--catalog-ink);
    font-size: clamp(20px, 2vw, 27px);
}

.catalog-section__all {
    display: inline-flex;
    flex: none;
    gap: 7px;
    align-items: center;
    color: var(--catalog-accent);
    font-size: 14px;
    font-weight: 700;
}

.catalog-section__all:hover,
.catalog-section__all:focus-visible {
    color: var(--catalog-ink);
}

.catalog-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 22px;
}

.catalog-card-cell {
    min-width: 0;
}

.catalog-card-cell .single-courses-box {
    display: flex;
    flex-direction: column;
    height: 100%;
    margin-block-end: 0 !important;
}

.catalog-card-cell .courses-content {
    flex: 1;
}

.catalog-card-cell .courses-content h3 a,
.catalog-card-cell .courses-tag a,
.catalog-sidebar a {
    overflow-wrap: anywhere;
}

.catalog-section__empty {
    margin: 0;
    padding-block: 34px;
    padding-inline: 20px;
    border: 1px dashed #d6d9e1;
    border-radius: 12px;
    color: var(--catalog-muted);
    text-align: center;
}

.catalog-pagination {
    display: inline-block;
}

.catalog-drawer-trigger,
.catalog-drawer-close,
.catalog-drawer-backdrop {
    display: none;
}

body.catalog-drawer-open {
    overflow: hidden;
}

@media only screen and (max-width: 1399px) {
    .catalog-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

@media only screen and (max-width: 1199px) {
    .catalog-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media only screen and (max-width: 991px) {
    .catalog-home {
        padding-block: 54px 64px;
    }

    .catalog-layout {
        grid-template-areas:
            "sidebar"
            "content";
        grid-template-columns: minmax(0, 1fr);
    }

    .catalog-drawer-ready .catalog-drawer-trigger {
        display: inline-flex;
        gap: 9px;
        align-items: center;
        margin-block-end: 24px;
        padding-block: 11px;
        padding-inline: 16px;
        border: 0;
        border-radius: 10px;
        background: var(--catalog-ink);
        color: #fff;
        font: inherit;
        font-weight: 700;
    }

    .catalog-drawer-ready .catalog-sidebar {
        position: fixed;
        z-index: 10002;
        inset-block: 0;
        inset-inline-start: 0;
        width: min(88vw, 340px);
        max-height: none;
        border-block: 0;
        border-inline-start: 0;
        border-radius: 0;
        transform: translateX(110%);
        visibility: hidden;
        transition: transform 220ms ease, visibility 220ms ease;
    }

    .catalog-drawer-ready .catalog-sidebar.is-open {
        transform: translateX(0);
        visibility: visible;
    }

    .catalog-drawer-ready .catalog-drawer-close {
        display: inline-grid;
        flex: none;
        place-items: center;
        width: 38px;
        height: 38px;
        border: 0;
        border-radius: 50%;
        background: var(--catalog-soft);
        color: var(--catalog-ink);
        font-size: 24px;
    }

    .catalog-drawer-ready .catalog-drawer-backdrop {
        position: fixed;
        z-index: 10001;
        display: block;
        inset: 0;
        border: 0;
        background: rgb(15 20 30 / 55%);
        opacity: 0;
        visibility: hidden;
        transition: opacity 220ms ease, visibility 220ms ease;
    }

    .catalog-drawer-ready .catalog-drawer-backdrop.is-open {
        opacity: 1;
        visibility: visible;
    }
}

@media only screen and (max-width: 767px) {
    .catalog-section__header {
        align-items: start;
        flex-direction: column;
        gap: 13px;
    }
}

@media only screen and (max-width: 575px) {
    .catalog-grid {
        grid-template-columns: minmax(0, 1fr);
    }

    .catalog-section {
        border-radius: 14px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .catalog-sidebar,
    .catalog-drawer-backdrop {
        transition: none !important;
    }
}