.course {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 380px;
    grid-template-rows: auto 1fr;
    align-items: start;
    column-gap: 40px;
    padding: 8px 0 64px;
}

.course-head {
    grid-row: 1;
    grid-column: 1;
}

.course__main {
    grid-row: 2;
    grid-column: 1;
}

.course--hero::before {
    content: "";
    grid-row: 1;
    grid-column: 1 / -1;
    align-self: stretch;
    z-index: -1;
    margin: -48px calc(50% - 50vw) 0;
    background:
        var(--world-bg, none) right center / cover no-repeat,
        linear-gradient(115deg, color-mix(in oklab, var(--world, var(--c-world-default)) 80%, #fff) 0%, var(--world, var(--c-world-default)) 45%, color-mix(in oklab, var(--world, var(--c-world-default)) 65%, #000) 100%);
    -webkit-mask-image: linear-gradient(180deg, #000 calc(100% - 56px), transparent);
    mask-image: linear-gradient(180deg, #000 calc(100% - 56px), transparent);
}

.course--hero .course-head {
    padding-bottom: 56px;
    color: #fff;
}

.course--hero .course-crumbs,
.course--hero .course-crumbs a {
    color: rgba(255, 255, 255, .85);
}

.course--hero .course-crumbs a:hover {
    color: #fff;
}

.course--hero .course-crumbs > * + *::before {
    color: rgba(255, 255, 255, .6);
}

.course--hero .course-trainer small {
    color: rgba(255, 255, 255, .8);
}

.course--hero .course-trainer__photo {
    box-shadow: 0 0 0 3px rgba(255, 255, 255, .35);
}

.course--hero .course__side {
    z-index: 1;
}

.course-crumbs {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 6px 10px;
    margin-bottom: 16px;
    color: var(--c-grey-600);
    font-size: 13px;
}

.course-crumbs > * + *::before {
    content: "›";
    margin-right: 10px;
    color: var(--c-grey-400);
}

.course-crumbs a {
    color: var(--c-grey-700);
    text-decoration: none;
}

.course-crumbs a:hover {
    color: var(--c-blue);
}

.course-crumbs svg {
    display: block;
    width: 18px;
    height: 18px;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.8;
    stroke-linejoin: round;
}

.course__title {
    margin: 0;
    font-size: 36px;
    font-weight: 700;
    line-height: 1.2;
}

.course-trainers {
    display: flex;
    flex-wrap: wrap;
    gap: 16px 40px;
    margin: 28px 0 0;
    padding: 0;
    list-style: none;
}

.course-trainer {
    display: flex;
    align-items: center;
    gap: 14px;
}

.course-trainer__photo,
.course-bio__photo {
    display: block;
    flex: none;
    border-radius: 50%;
    background: var(--c-blue-25);
    object-fit: cover;
}

.course-trainer__photo {
    width: 56px;
    height: 56px;
}

.course-trainer small {
    display: block;
    color: var(--c-grey-600);
    font-size: 12px;
}

.course-trainer strong {
    font-size: 15px;
    font-weight: 600;
}

.course-section {
    margin-top: 40px;
}

.course-section__title {
    margin: 0 0 16px;
    font-size: 24px;
    font-weight: 600;
    line-height: 32px;
}

.course-text {
    color: var(--c-grey-700);
    font-size: 15px;
    line-height: 1.65;
}

.course-text p {
    margin: 0 0 14px;
}

.course-bio {
    display: flex;
    align-items: center;
    gap: 32px;
    margin-top: 32px;
    padding: 28px;
    border: 1px solid var(--c-grey-200);
    border-radius: 16px;
    background: #fff;
}

.course-bio__photo {
    width: 160px;
    height: 160px;
}

.course-bio__label {
    color: var(--c-grey-600);
    font-size: 12px;
    letter-spacing: .08em;
    text-transform: uppercase;
}

.course-bio__name {
    margin: 4px 0 12px;
    font-size: 22px;
    font-weight: 600;
}

.course-bio__text {
    color: var(--c-grey-700);
    font-size: 14px;
    line-height: 1.65;
}

.course-bio__text p {
    margin: 0 0 10px;
}

.course-bio__text strong,
.course-bio__text b {
    font-weight: inherit;
}

.course-bio__text p:last-child {
    margin-bottom: 0;
}

.course-video {
    position: relative;
    display: grid;
    gap: 16px;
}

.course-video__tabs {
    position: absolute;
    top: 16px;
    left: 50%;
    z-index: 2;
    display: flex;
    gap: 4px;
    max-width: calc(100% - 32px);
    padding: 4px;
    overflow-x: auto;
    border-radius: 999px;
    background: #fff;
    box-shadow: 0 6px 20px rgba(16, 24, 40, .15);
    scrollbar-width: none;
    transform: translateX(-50%);
}

.course-video__tab {
    flex: none;
    padding: 8px 16px;
    border: 0;
    border-radius: 999px;
    background: none;
    color: var(--c-grey-700);
    font: inherit;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
}

.course-video__tab[aria-selected="true"] {
    background: var(--c-blue);
    color: #fff;
}

.course-video__tabs[hidden] {
    display: none;
}

.course-video__panel {
    overflow: hidden;
    border-radius: 16px;
    background: #0b1530;
    aspect-ratio: 16 / 9;
}

.course-video__panel video,
.course-video__panel iframe {
    display: block;
    width: 100%;
    height: 100%;
    border: 0;
}

.course-video__panel[hidden] {
    display: none;
}

.course-video__panel video {
    object-fit: cover;
}

.course-kfs {
    display: flex;
    align-items: center;
    gap: 28px;
    margin-top: 40px;
    padding: 24px 28px;
    border: 1px solid var(--c-grey-200);
    border-radius: 16px;
    background: linear-gradient(110deg, #f1f8f3 0%, #fff 60%);
    color: inherit;
    text-decoration: none;
    transition: border-color .2s, box-shadow .2s;
}

.course-kfs:hover {
    border-color: #9fd6b0;
    box-shadow: 0 8px 24px rgba(16, 24, 40, .08);
}

.course-kfs__logo {
    display: grid;
    place-items: center;
    flex: none;
    width: 96px;
    height: 96px;
    border: 6px solid var(--c-success);
    border-radius: 22px 22px 22px 6px;
    color: var(--c-success);
    font-size: 28px;
    font-weight: 800;
    letter-spacing: .02em;
}

.course-kfs__body {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.course-kfs__body strong {
    font-size: 22px;
    font-weight: 700;
}

.course-kfs__body b {
    color: var(--c-success);
}

.course-kfs__cta {
    display: inline-flex;
    align-items: center;
    align-self: flex-start;
    gap: 10px;
    margin-top: 8px;
    padding: 10px 16px;
    border-radius: 8px;
    background: var(--c-blue);
    color: #fff;
    font-size: 14px;
    font-weight: 600;
}

.course-kfs__cta svg {
    width: 12px;
    height: 10px;
}

.course-pillars {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.course-pillar {
    display: flex;
    align-items: flex-start;
    gap: 24px;
    padding: 24px;
    border: 1px solid var(--c-grey-200);
    border-radius: 12px;
    background: #fff;
}

.course-pillar__num {
    display: grid;
    place-items: center;
    flex: none;
    width: 48px;
    height: 48px;
    border-radius: 8px;
    background: var(--c-blue-25);
    color: var(--c-blue);
    font-size: 16px;
    font-weight: 600;
}

.course-pillar strong {
    display: block;
    margin-bottom: 6px;
    font-size: 17px;
    font-weight: 600;
}

.course-pillar span span {
    color: var(--c-grey-600);
    font-size: 14px;
    line-height: 1.6;
}

.course-blocks--main > .course-section,
.course-blocks--main > .course-bio,
.course-blocks--main > .course-kfs {
    margin-top: 40px;
}

.course-blocks--main > .frame {
    margin-top: 40px;
}

.course-blocks--main > .course-bio + .course-bio {
    margin-top: 16px;
}

.course-blocks--side {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.course-blocks--side > * {
    max-width: 100%;
}

.course__side {
    grid-row: 1 / span 2;
    grid-column: 2;
    position: sticky;
    top: 24px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.course-buy,
.course-team {
    padding: 24px;
    border: 1px solid var(--c-grey-200);
    border-radius: 12px;
    background: #fff;
}

.course-buy__top {
    display: flex;
    gap: 12px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--c-grey-200);
}

.course-buy__fact {
    display: flex;
    flex: 1;
    align-items: center;
    gap: 10px;
    min-width: 0;
    font-size: 14px;
}

.course-buy__fact svg,
.course-info svg,
.course-team__phone svg {
    flex: none;
    width: 20px;
    height: 20px;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.7;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.course-buy__fact > svg {
    box-sizing: content-box;
    padding: 8px;
    border-radius: 8px;
    background: var(--c-blue-25);
    color: var(--c-grey-700);
}

.course-buy__fact strong {
    display: block;
    font-size: 14px;
}

.course-buy__fact .course-buy__day {
    display: inline;
    font-size: 24px;
}

.course-buy__fact small {
    display: block;
    color: var(--c-grey-600);
    font-size: 12px;
}

.course-price {
    padding: 20px 0 16px;
    text-align: center;
}

.course-price--free strong {
    font-size: 38px;
    letter-spacing: -.01em;
}

.course-price--free {
    padding-bottom: 20px;
}

.course-price small {
    display: block;
    color: var(--c-grey-600);
    font-size: 13px;
}

.course-price strong {
    font-size: 34px;
    font-weight: 700;
    line-height: 1.2;
}

.course-prices {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin: 0 0 18px;
}

.course-prices div {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 12px 14px;
    border: 1px solid var(--c-blue-75);
    border-radius: 8px;
    background: var(--c-blue-25);
    font-size: 13px;
}

.course-prices dt {
    color: var(--c-grey-700);
}

.course-prices dd {
    margin: 0;
    color: var(--c-blue);
    font-weight: 600;
    white-space: nowrap;
}

.course-prices dd small {
    color: var(--c-grey-600);
    font-weight: 400;
}

.course-buy__cta {
    min-height: 52px;
    transition: background-color .2s;
}

.course-buy__form {
    margin: 0;
}

.course-term {
    margin: 0 0 12px;
    padding: 10px 14px;
    border-radius: 8px;
    font-family: var(--font-ui);
    font-size: 15px;
    font-weight: 600;
    text-align: center;
}

.course-term--confirmed {
    background: var(--c-success-50);
    color: var(--c-success-700);
}

.course-term--cancelled {
    background: var(--c-danger-50);
    color: var(--c-danger);
}

button.course-buy__cta {
    width: 100%;
    border: 0;
    cursor: pointer;
}

button.course-buy__cta:focus-visible {
    outline: 3px solid var(--c-blue-focus);
    outline-offset: 2px;
}

.course-buy__cta svg {
    width: 12px;
    height: 10px;
}

.course-buy__seats {
    display: flex;
    justify-content: center;
    margin: 16px 0 0;
}

.course-note {
    margin-top: 18px;
    padding: 14px 16px;
    border-radius: 8px;
    background: var(--c-blue-50);
    font-size: 13px;
    line-height: 1.5;
}

.course-note strong {
    display: block;
    margin-bottom: 4px;
}

.course-note p {
    margin: 0;
    color: var(--c-grey-700);
}

.course-note a {
    color: var(--c-blue);
}

.course-buy__label {
    margin: 22px 0 10px;
    font-size: 16px;
    font-weight: 600;
}

.course-info {
    margin: 0;
}

.course-info div {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 11px 0;
    border-top: 1px solid var(--c-grey-200);
    font-size: 13px;
}

.course-info dt {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--c-grey-600);
}

.course-info dt svg {
    color: var(--c-grey-500);
}

.course-info dd {
    margin: 0;
    color: var(--c-ink);
    font-weight: 500;
    text-align: right;
}

.course-team {
    background: var(--c-blue-10);
}

.course-team__title {
    margin: 0 0 6px;
    font-size: 20px;
    font-weight: 600;
}

.course-team p {
    margin: 0 0 16px;
    color: var(--c-grey-600);
    font-size: 13px;
}

.course-team__person {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    border-radius: 10px;
    background: #fff;
}

.course-team__photo {
    display: grid;
    place-items: center;
    flex: none;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    object-fit: cover;
}

.course-team__photo--initials {
    background: var(--c-blue-50);
    color: var(--c-blue);
    font-weight: 700;
}

.course-team__person strong {
    display: block;
    font-size: 14px;
}

.course-team__person a {
    color: var(--c-grey-600);
    font-size: 12px;
    text-decoration: none;
}

.course-team__phone {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-top: 14px;
    padding: 12px;
    border: 1px solid var(--c-blue);
    border-radius: 8px;
    background: #fff;
    color: var(--c-blue);
    font-weight: 600;
    text-decoration: none;
}

.course-team__phone:hover {
    background: var(--c-blue-25);
}

@media (max-width: 1100px) {
    .course {
        grid-template-columns: minmax(0, 1fr) 320px;
        gap: 28px;
    }
}

@media (max-width: 860px) {
    .course {
        grid-template-columns: 1fr;
        grid-template-rows: none;
        gap: 24px;
    }

    .course__main,
    .course__side {
        grid-row: auto;
        grid-column: 1;
    }

    .course__main,
    .course-blocks--main {
        display: contents;
    }

    .course-blocks--main > * {
        order: 2;
        min-width: 0;
        margin-top: 0;
    }

    .course-head {
        grid-row: 1;
        grid-column: 1;
        order: 0;
    }

    .course__side {
        position: static;
        order: 1;
    }

    .course--hero::before {
        grid-row: 1;
        order: 0;
    }

    .course--hero .course-head {
        padding-bottom: 40px;
    }

    .course__title {
        font-size: 28px;
    }

    .course-kfs {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
    }

    .course-pillar {
        gap: 16px;
        padding: 18px;
    }

    .course-bio {
        flex-direction: column;
        align-items: flex-start;
        gap: 18px;
        padding: 20px;
    }

    .course-bio__photo {
        width: 96px;
        height: 96px;
    }
}

.course-lessons__summary {
    margin: -8px 0 16px;
    color: var(--c-muted);
}

.course-lessons__list {
    margin: 0;
    padding: 0;
    list-style: none;
    border-top: 1px solid var(--c-line);
}

.course-lesson {
    display: flex;
    gap: 16px;
    padding: 16px 0;
    border-bottom: 1px solid var(--c-line);
}

.course-lesson__number {
    flex: 0 0 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--c-blue-5);
    font-weight: 600;
    line-height: 32px;
    text-align: center;
}

.course-lesson__body {
    flex: 1;
    min-width: 0;
}

.course-lesson__title {
    margin: 4px 0 4px;
    font-size: 17px;
    font-weight: 600;
    line-height: 24px;
}

.course-lesson__duration {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--c-muted);
    font-size: 14px;
}

.course-lesson__duration svg {
    width: 16px;
    height: 16px;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.5;
}

.course-lesson__preview {
    margin-top: 12px;
}

.course-lesson__preview.is-playing {
    position: relative;
    aspect-ratio: 16 / 9;
}

.course-lesson__preview iframe {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    border: 0;
    border-radius: 8px;
}

.course-lesson__play {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    border: 1px solid currentColor;
    border-radius: 999px;
    background: transparent;
    color: var(--c-primary);
    font: inherit;
    font-weight: 600;
    cursor: pointer;
}

.course-lesson__play svg {
    width: 18px;
    height: 18px;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.5;
}