.course-catalog {
    --catalog-ink: #183153;
    --catalog-muted: #66788c;
    --catalog-blue: #087f9b;
    --catalog-cyan: #0ed6d0;
    color: var(--catalog-ink);
}

.course-hero {
    background:
        radial-gradient(ellipse at 78% 15%, rgba(14, 214, 208, .2), transparent 32%),
        linear-gradient(115deg, #092d4c 0%, #0b5875 58%, #087f9b 100%);
    color: #fff;
    overflow: hidden;
    position: relative;
}

.course-hero > .container {
    align-items: center;
    display: flex;
    justify-content: space-between;
    min-height: 390px;
    padding-bottom: 55px;
    padding-top: 55px;
    position: relative;
}

.course-hero__content {
    max-width: 680px;
    position: relative;
    z-index: 1;
}

.course-hero__eyebrow,
.course-section-eyebrow {
    color: #83eee6;
    font-size: .76rem;
    font-weight: 750;
    letter-spacing: .15em;
}

.course-hero h1 {
    color: #fff;
    font-size: clamp(2.35rem, 5vw, 4rem);
    font-weight: 750;
    letter-spacing: -.045em;
    line-height: 1.08;
    margin: 18px 0;
}

.course-hero h1 span {
    color: #8af1e9;
}

.course-hero__content > p {
    color: rgba(255, 255, 255, .82);
    font-size: 1.05rem;
    line-height: 1.7;
    margin: 0;
    max-width: 590px;
}

.course-hero__stats {
    display: flex;
    flex-wrap: wrap;
    gap: 12px 24px;
    margin-top: 28px;
}

.course-hero__stats span {
    align-items: center;
    color: rgba(255, 255, 255, .92);
    display: inline-flex;
    font-size: .88rem;
    gap: 9px;
}

.course-hero__stats i {
    color: #8af1e9;
}

.course-hero__art {
    align-items: center;
    display: flex;
    flex: 0 0 320px;
    height: 300px;
    justify-content: center;
    margin-right: 35px;
    position: relative;
}

.course-hero__orbit {
    border: 1px solid rgba(255, 255, 255, .2);
    border-radius: 50%;
    position: absolute;
}

.course-hero__orbit--outer {
    height: 285px;
    width: 285px;
}

.course-hero__orbit--inner {
    height: 215px;
    width: 215px;
}

.course-hero__symbol {
    align-items: center;
    background: linear-gradient(145deg, rgba(255, 255, 255, .23), rgba(255, 255, 255, .08));
    border: 1px solid rgba(255, 255, 255, .3);
    border-radius: 38px;
    box-shadow: 0 22px 60px rgba(0, 0, 0, .18);
    color: #9af5ed;
    display: flex;
    font-size: 5.5rem;
    height: 160px;
    justify-content: center;
    transform: rotate(-8deg);
    width: 160px;
}

.course-hero__floating {
    align-items: center;
    backdrop-filter: blur(12px);
    background: rgba(255, 255, 255, .13);
    border: 1px solid rgba(255, 255, 255, .22);
    border-radius: 12px;
    color: #fff;
    display: flex;
    font-size: .82rem;
    gap: 9px;
    padding: 11px 14px;
    position: absolute;
    white-space: nowrap;
}

.course-hero__floating i {
    color: #8af1e9;
}

.course-hero__floating--top {
    right: -14px;
    top: 30px;
}

.course-hero__floating--bottom {
    bottom: 30px;
    left: -25px;
}

.course-browser {
    background: #f5f8fb;
    padding: 58px 0 76px;
}

.course-browser__heading {
    align-items: flex-end;
    display: flex;
    justify-content: space-between;
    margin-bottom: 24px;
}

.course-section-eyebrow {
    color: var(--catalog-blue);
    font-size: .72rem;
}

.course-browser__heading h2 {
    color: var(--catalog-ink);
    font-size: clamp(1.65rem, 3vw, 2.25rem);
    font-weight: 750;
    letter-spacing: -.03em;
    margin: 7px 0 5px;
}

.course-browser__heading p {
    color: var(--catalog-muted);
    margin: 0;
}

.course-browser__count {
    color: var(--catalog-muted);
    font-size: .9rem;
    padding-bottom: 4px;
    white-space: nowrap;
}

.course-tools {
    align-items: center;
    background: #fff;
    border: 1px solid #e5ecf2;
    border-radius: 15px;
    box-shadow: 0 5px 18px rgba(30, 62, 91, .04);
    display: flex;
    gap: 12px;
    margin-bottom: 26px;
    padding: 12px;
}

.course-search,
.course-category-select {
    align-items: center;
    color: #8190a1;
    display: flex;
    min-height: 46px;
}

.course-search {
    flex: 1;
    gap: 11px;
    padding: 0 12px;
}

.course-search > i,
.course-category-select > i {
    color: var(--catalog-blue);
}

.course-search input,
.course-category-select select {
    background: transparent;
    border: 0;
    color: var(--catalog-ink);
    min-width: 0;
    outline: 0;
    width: 100%;
}

.course-search input::placeholder {
    color: #94a1af;
}

.course-search button {
    align-items: center;
    background: #edf4f7;
    border: 0;
    border-radius: 50%;
    color: #53677a;
    display: flex;
    height: 30px;
    justify-content: center;
    width: 30px;
}

.course-category-select {
    border-left: 1px solid #e7edf2;
    gap: 10px;
    padding: 0 12px 0 18px;
    width: 220px;
}

.specialty-card {
    background: #fff;
    border: 1px solid #e4ebf1;
    border-radius: 17px;
    box-shadow: 0 8px 24px rgba(32, 63, 91, .045);
    height: fit-content;
    min-height: 0;
    overflow: hidden;
    padding: 23px;
    transition: border-color .2s ease, box-shadow .2s ease, transform .2s ease;
}

.category-grid {
    column-count: 3;
    column-gap: 24px;
}

.category-column {
    break-inside: avoid;
    display: inline-block;
    margin-bottom: 24px;
    width: 100%;
}

.category-column--wide {
    column-span: all;
    display: block;
    width: auto;
}

.specialty-card--wide {
    display: grid;
    gap: 0 30px;
    grid-template-areas:
        "top courses"
        "title courses"
        "description courses"
        "meta courses";
    grid-template-columns: minmax(220px, .7fr) minmax(0, 1.8fr);
}

.specialty-card--wide .specialty-card__top {
    grid-area: top;
}

.specialty-card--wide .specialty-card__title {
    grid-area: title;
}

.specialty-card--wide .specialty-card__description {
    grid-area: description;
}

.specialty-card--wide .specialty-card__meta {
    align-self: start;
    grid-area: meta;
}

.specialty-card--wide .specialty-course-list,
.specialty-card--wide .specialty-card__empty {
    grid-area: courses;
    margin-top: 0;
}

.specialty-card--wide .specialty-course-list {
    align-self: center;
    column-gap: 26px;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.specialty-card--wide .specialty-course:nth-child(-n+2) {
    border-top: 0;
}

.specialty-card:hover {
    border-color: #b8e5e7;
    box-shadow: 0 16px 34px rgba(32, 63, 91, .09);
    transform: translateY(-3px);
}

.specialty-card__top {
    align-items: center;
    display: flex;
    justify-content: space-between;
    margin-bottom: 17px;
}

.specialty-card__icon {
    align-items: center;
    background: linear-gradient(145deg, #e4f7f7, #edf4ff);
    border-radius: 13px;
    color: var(--catalog-blue);
    display: flex;
    font-size: 1.2rem;
    height: 48px;
    justify-content: center;
    width: 48px;
}

.specialty-card__title {
    color: var(--catalog-ink);
    font-size: 1.27rem;
    font-weight: 750;
    margin: 0 0 8px;
}

.specialty-card__description {
    color: var(--catalog-muted);
    font-size: .9rem;
    line-height: 1.55;
    margin: 0;
}

.specialty-card__meta {
    align-items: center;
    color: #8391a0;
    display: flex;
    font-size: .8rem;
    gap: 4px;
    margin-top: 15px;
}

.specialty-card__meta .visible-course-count {
    color: var(--catalog-blue);
    font-weight: 750;
}

.specialty-course-list {
    list-style: none;
    margin: 8px 0 0;
    padding: 0;
}

.specialty-course + .specialty-course {
    border-top: 1px solid #edf1f5;
}

.specialty-course a {
    align-items: center;
    color: inherit;
    display: flex;
    gap: 12px;
    justify-content: space-between;
    padding: 13px 0;
    text-decoration: none;
}

.specialty-course__text {
    display: grid;
    gap: 4px;
}

.specialty-course__text strong {
    color: #344b63;
    font-size: .91rem;
    font-weight: 650;
    line-height: 1.35;
    transition: color .15s ease;
}

.specialty-course__text small {
    color: #8794a2;
    font-size: .78rem;
    line-height: 1.4;
}

.specialty-course__action {
    align-items: center;
    background: #f0f8fa;
    border-radius: 50%;
    color: var(--catalog-blue);
    display: flex;
    flex: 0 0 31px;
    height: 31px;
    justify-content: center;
    transition: background .15s ease, color .15s ease;
    width: 31px;
}

.specialty-course a:hover .specialty-course__text strong {
    color: var(--catalog-blue);
}

.specialty-course a:hover .specialty-course__action {
    background: var(--catalog-blue);
    color: #fff;
}

.specialty-card__empty {
    background: #f7fafc;
    border-radius: 10px;
    color: #8190a1;
    font-size: .88rem;
    margin-top: 16px;
    padding: 13px;
}

.course-no-results {
    background: #fff;
    border: 1px solid #e4ebf1;
    border-radius: 17px;
    margin: 20px auto 0;
    max-width: 540px;
    padding: 38px 24px;
}

.course-no-results[hidden] {
    display: none;
}

.course-no-results > span {
    align-items: center;
    background: #e7f7f7;
    border-radius: 50%;
    color: var(--catalog-blue);
    display: inline-flex;
    height: 52px;
    justify-content: center;
    margin-bottom: 14px;
    width: 52px;
}

.course-no-results h3 {
    color: var(--catalog-ink);
    font-size: 1.2rem;
    font-weight: 700;
}

.course-no-results p {
    color: var(--catalog-muted);
    margin-bottom: 18px;
}

.course-reset-button {
    background: #078eaa;
    border: 0;
    border-radius: 9px;
    color: #fff;
    font-weight: 650;
    padding: 10px 16px;
}

.course-reset-button:hover {
    background: #066e85;
}

@media (max-width: 991.98px) {
    .category-grid {
        column-count: 2;
    }

    .course-hero__art {
        flex-basis: 245px;
        margin-right: 0;
        transform: scale(.82);
    }

    .course-hero > .container {
        min-height: 350px;
    }
}

@media (max-width: 767.98px) {
    .category-grid {
        column-count: 1;
    }

    .category-column--wide {
        column-span: none;
        display: inline-block;
        width: 100%;
    }

    .specialty-card--wide {
        display: block;
    }

    .specialty-card--wide .specialty-course-list {
        display: block;
    }

    .specialty-card--wide .specialty-course:nth-child(2) {
        border-top: 1px solid #edf1f5;
    }

    .course-hero > .container {
        min-height: 0;
        padding-bottom: 42px;
        padding-top: 48px;
    }

    .course-hero__art {
        display: none;
    }

    .course-browser {
        padding: 42px 0 55px;
    }

    .course-browser__heading {
        align-items: flex-start;
        flex-direction: column;
        gap: 12px;
    }

    .course-tools {
        align-items: stretch;
        flex-direction: column;
        gap: 4px;
    }

    .course-category-select {
        border-left: 0;
        border-top: 1px solid #e7edf2;
        padding: 10px 12px 0;
        width: 100%;
    }

    .course-hero__stats {
        align-items: flex-start;
        flex-direction: column;
        gap: 10px;
    }
}