/**
 * Блок «Бесплатные семинары» — главная (редизайн)
 */
:root {
    --seminars-container: 1500px;
    --seminars-gap-section: 80px;
    --seminars-gap-head: 53px;
    --seminars-gap-head-text: 24px;
    --seminars-gap-cards: 24px;
    --seminars-color-text: #111827;
    --seminars-color-muted: #5a616c;
    --seminars-color-white: #ffffff;
    --seminars-color-link: #b04481;
    --seminars-color-bg-card: #f5f6fb;
    --seminars-font: 'Vela Sans', 'Onest', system-ui, -apple-system, sans-serif;
    --seminars-card-height: 600px;
    --seminars-card-expanded: 810px;
    --seminars-card-collapsed: 321px;
    --seminars-ease: cubic-bezier(0.4, 0, 0.2, 1);
    --seminars-duration-card: 0.95s;
    --seminars-duration-panel: 0.8s;
}

.seminars-main {
    padding: var(--seminars-gap-section) 16px;
    font-family: var(--seminars-font);
    color: var(--seminars-color-text);
}

@media (min-width: 1533px) {
    .seminars-main {
        padding-left: 0;
        padding-right: 0;
    }
}

.seminars-main__inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--seminars-gap-head);
    max-width: var(--seminars-container);
    margin: 0 auto;
}

.seminars-main__head {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--seminars-gap-head-text);
    max-width: 732px;
    text-align: center;
}

.seminars-main__title {
    margin: 0;
    font-size: 52px;
    font-weight: 600;
    line-height: 64px;
    color: var(--seminars-color-text);
}

.seminars-main__subtitle {
    margin: 0;
    font-size: 20px;
    font-weight: 500;
    line-height: 28px;
    color: var(--seminars-color-muted);
}

.seminars-main__cards {
    display: flex;
    align-items: stretch;
    gap: var(--seminars-gap-cards);
    width: 100%;
    height: var(--seminars-card-height);
}

@media (min-width: 992px) and (max-width: 1532px) {
    .seminars-main__cards {
        overflow: hidden;
    }
}

.seminars-main__card {
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    align-items: stretch;
    flex-grow: 0;
    flex-shrink: 0;
    flex-basis: var(--seminars-card-collapsed);
    width: auto;
    min-width: 0;
    height: 100%;
    padding: 12px;
    border-radius: 24px;
    overflow: hidden;
    isolation: isolate;
    cursor: pointer;
    transition:
        flex-grow var(--seminars-duration-card) var(--seminars-ease),
        flex-shrink var(--seminars-duration-card) var(--seminars-ease),
        flex-basis var(--seminars-duration-card) var(--seminars-ease);
}

/* Широкий десктоп: у всех одинаковый flex-basis, активная плавно
   забирает остаток через flex-grow (и при 2, и при 3 карточках). */
@media (min-width: 1533px) {
    .seminars-main__card {
        flex-grow: 0;
        flex-shrink: 0;
        flex-basis: var(--seminars-card-collapsed);
        width: auto;
        max-width: none;
    }

    .seminars-main__card.is-active,
    .seminars-main__card:hover {
        flex-grow: 1;
        flex-shrink: 1;
        flex-basis: var(--seminars-card-collapsed);
        width: auto;
        max-width: none;
    }

    .seminars-main__cards:has(.seminars-main__card:hover) .seminars-main__card.is-active:not(:hover) {
        flex-grow: 0;
        flex-shrink: 0;
        flex-basis: var(--seminars-card-collapsed);
        width: auto;
        max-width: none;
    }
}

/* Ноутбук: пропорциональное раскрытие без переполнения ряда */
@media (min-width: 992px) and (max-width: 1532px) {
    .seminars-main__card {
        flex: 1 1 0;
        width: auto;
        max-width: none;
        min-width: 0;
    }

    .seminars-main__card.is-active,
    .seminars-main__card:hover {
        flex: 2.35 1 0;
        width: auto;
        max-width: none;
        min-width: 0;
    }

    .seminars-main__cards:has(.seminars-main__card:hover) .seminars-main__card.is-active:not(:hover) {
        flex: 1 1 0;
        width: auto;
        max-width: none;
        min-width: 0;
    }
}

.seminars-main__card-media {
    position: absolute;
    inset: 0;
    z-index: 0;
    width: 100%;
    height: 100%;
    background-position: center;
    background-size: cover;
    background-repeat: no-repeat;
    pointer-events: none;
    transition: filter var(--seminars-duration-card) var(--seminars-ease);
}

@media (min-width: 992px) {
    .seminars-main__card.is-active .seminars-main__card-media,
    .seminars-main__card:hover .seminars-main__card-media {
        filter: brightness(1);
    }

    .seminars-main__card:not(.is-active):not(:hover) .seminars-main__card-media,
    .seminars-main__cards:has(.seminars-main__card:hover) .seminars-main__card.is-active:not(:hover) .seminars-main__card-media {
        filter: brightness(0.88);
    }
}

.seminars-main__card-panel {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr auto;
    grid-template-areas:
        'meta meta'
        'text btn';
    gap: 24px 40px;
    align-items: end;
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    padding: 0 24px;
    background: rgba(17, 24, 39, 0.24);
    backdrop-filter: blur(50px);
    -webkit-backdrop-filter: blur(50px);
    border-radius: 18px;
    pointer-events: none;
    transform: translateY(16px);
    transition:
        max-height var(--seminars-duration-card) var(--seminars-ease),
        opacity var(--seminars-duration-panel) var(--seminars-ease),
        padding var(--seminars-duration-card) var(--seminars-ease),
        transform var(--seminars-duration-panel) var(--seminars-ease),
        background-color var(--seminars-duration-panel) var(--seminars-ease);
}

.seminars-main__card-panel > * {
    transition: opacity var(--seminars-duration-panel) var(--seminars-ease);
}

@media (min-width: 992px) {
    .seminars-main__card.is-active .seminars-main__card-panel,
    .seminars-main__card:hover .seminars-main__card-panel {
        max-height: 320px;
        opacity: 1;
        padding: 24px;
        background: rgba(17, 24, 39, 0.24);
        pointer-events: auto;
        transform: translateY(0);
        transition-delay: 0.12s;
    }

    .seminars-main__card.is-active .seminars-main__card-panel > *,
    .seminars-main__card:hover .seminars-main__card-panel > * {
        opacity: 1;
        transition-delay: 0.22s;
    }

    .seminars-main__card:not(.is-active):not(:hover) .seminars-main__card-panel,
    .seminars-main__cards:has(.seminars-main__card:hover) .seminars-main__card.is-active:not(:hover) .seminars-main__card-panel {
        max-height: 0;
        opacity: 0;
        padding: 0 24px;
        background: rgba(17, 24, 39, 0.24);
        pointer-events: none;
        transform: translateY(16px);
        transition-delay: 0s;
    }

    .seminars-main__card:not(.is-active):not(:hover) .seminars-main__card-panel > *,
    .seminars-main__cards:has(.seminars-main__card:hover) .seminars-main__card.is-active:not(:hover) .seminars-main__card-panel > * {
        opacity: 0;
        transition-delay: 0s;
    }
}

.seminars-main__meta {
    grid-area: meta;
    display: flex;
    flex-wrap: wrap;
    align-items: flex-start;
    gap: 16px;
}

.seminars-main__meta-item {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    font-weight: 500;
    line-height: 20px;
    color: var(--seminars-color-white);
}

.seminars-main__meta-icon {
    flex-shrink: 0;
    color: var(--seminars-color-white);
    opacity: 0.9;
}

.seminars-main__card-text {
    grid-area: text;
    display: flex;
    flex-direction: column;
    gap: 8px;
    min-width: 0;
}

.seminars-main__card-title {
    margin: 0;
    font-size: 24px;
    font-weight: 600;
    line-height: 34px;
    color: var(--seminars-color-white);
}

.seminars-main__card-desc {
    margin: 0;
    font-size: 16px;
    font-weight: 400;
    line-height: 28px;
    color: var(--seminars-color-white);
    opacity: 0.8;
}

.seminars-main__card-action {
    grid-area: btn;
    align-self: end;
}

.seminars-main__card-btn {
    display: inline-flex;
    flex-shrink: 0;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 12px 16px 12px 24px;
    background: #f0f2f5;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 400;
    line-height: 24px;
    color: var(--seminars-color-text);
    text-decoration: none;
    white-space: nowrap;
    transition: background-color 0.2s ease;
}

a.seminars-main__card-btn:hover {
    background: #e4e7ec;
    color: var(--seminars-color-text);
    text-decoration: none;
}

.seminars-main__card-btn--static {
    cursor: default;
}

.drag-block.container.FREE_SEMINARS_MAIN_drag {
    width: 100%;
    max-width: none;
    padding-left: 0;
    padding-right: 0;
    overflow: visible;
}

@media (max-width: 1199px) {
    :root {
        --seminars-card-height: 560px;
    }
}

@media (max-width: 991px) {
    :root {
        --seminars-gap-section: 60px;
    }

    .seminars-main {
        padding: var(--seminars-gap-section) 20px;
    }

    .seminars-main__inner {
        gap: 24px;
        align-items: stretch;
    }

    .seminars-main__head {
        gap: 16px;
        max-width: none;
    }

    .seminars-main__cards {
        flex-direction: row;
        align-items: stretch;
        gap: 12px;
        width: 100%;
        margin: 0;
        padding: 0 20px;
        height: auto;
        overflow-x: auto;
        overflow-y: hidden;
        scroll-snap-type: x mandatory;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
    }

    .seminars-main__cards::-webkit-scrollbar {
        display: none;
    }

    .seminars-main__card,
    .seminars-main__card.is-active {
        flex: 0 0 282px;
        width: 282px;
        height: 456px;
        min-height: 456px;
        padding: 8px;
        border-radius: 20px;
        background: var(--seminars-color-bg-card);
        justify-content: flex-start;
        gap: 20px;
        cursor: default;
        scroll-snap-align: start;
    }

    .seminars-main__card-media {
        position: relative;
        left: auto;
        top: auto;
        width: 100%;
        height: 160px;
        border-radius: 16px;
        flex-shrink: 0;
    }

    .seminars-main__card-panel {
        display: grid !important;
        max-height: none !important;
        opacity: 1 !important;
        transform: none !important;
        pointer-events: auto !important;
        background: transparent !important;
        grid-template-columns: 1fr;
        grid-template-areas:
            'text'
            'meta'
            'btn';
        gap: 16px;
        padding: 0 12px 12px !important;
        backdrop-filter: none;
        -webkit-backdrop-filter: none;
        border-radius: 0;
        flex: 1 1 auto;
        align-content: start;
        transition: none !important;
    }

    .seminars-main__card-panel > * {
        opacity: 1 !important;
        transition: none !important;
    }

    .seminars-main__card-text {
        gap: 8px;
    }

    .seminars-main__card-title {
        font-size: 18px;
        font-weight: 500;
        line-height: 24px;
        color: var(--seminars-color-text);
    }

    .seminars-main__card-desc {
        font-size: 14px;
        line-height: 22px;
        color: var(--seminars-color-muted);
        opacity: 0.8;
    }

    .seminars-main__meta {
        flex-direction: column;
        gap: 10px;
    }

    .seminars-main__meta-item {
        gap: 6px;
        font-size: 13px;
        font-weight: 400;
        line-height: 20px;
        color: var(--seminars-color-muted);
    }

    .seminars-main__meta-icon {
        width: 20px;
        height: 20px;
        color: #9299a5;
        opacity: 0.9;
    }

    .seminars-main__card-action {
        align-self: auto;
    }

    .seminars-main__card-btn,
    a.seminars-main__card-btn:hover {
        gap: 6px;
        padding: 0;
        background: transparent;
        border-radius: 0;
        font-size: 14px;
        line-height: 22px;
        color: var(--seminars-color-link);
        white-space: normal;
    }

    .seminars-main__card-btn svg {
        color: var(--seminars-color-link);
    }
}

@media (max-width: 575px) {
    :root {
        --seminars-gap-section: 40px;
    }

    .seminars-main__title {
        font-size: 28px;
        line-height: 34px;
    }

    .seminars-main__subtitle {
        font-size: 16px;
        font-weight: 400;
        line-height: 24px;
    }

    .seminars-main__card,
    .seminars-main__card.is-active {
        flex: 0 0 282px;
        width: 282px;
    }
}

@media (min-width: 992px) and (prefers-reduced-motion: reduce) {
    .seminars-main__card,
    .seminars-main__card-media,
    .seminars-main__card-panel {
        transition: none;
    }
}