/* Soubory (загрузки). Цвета — из палитры сайта (переменные в site.css) */
.downloads-page {
    padding-top: 1.5rem;
}

.downloads-title {
    margin-bottom: 1.5rem;
    font-size: clamp(1.8rem, 1.3rem + 1.8vw, 2.5rem);
    font-weight: 700;
    color: var(--hc-primary);
}

/* Группы */
.downloads-groups {
    position: sticky;
    top: 150px;
    display: flex;
    flex-direction: column;
    gap: .2rem;
    padding: 1rem;
    border-radius: var(--hc-radius);
    background: #fff;
    box-shadow: var(--hc-shadow-soft);
}

.downloads-group {
    padding: .55rem 1rem;
    border-radius: 12px;
    color: #2b3a4a;
    font-weight: 500;
    text-decoration: none;
}

    .downloads-group:hover {
        color: var(--hc-primary);
        background: var(--hc-sky-soft);
    }

    .downloads-group.active {
        color: #fff;
        background: var(--hc-primary);
        box-shadow: 0 6px 16px rgba(27, 110, 194, 0.3);
    }

/* Файлы */
.downloads-list {
    display: flex;
    flex-direction: column;
    gap: .75rem;
}

.downloads-item.accordion-item {
    overflow: hidden;
    border: 0;
    border-radius: 16px !important;
    background: #fff;
    box-shadow: var(--hc-shadow-soft);
}

.downloads-item .accordion-button {
    gap: .9rem;
    padding: 1rem 1.25rem;
    background: #fff;
    color: #2b3a4a;
    font-size: 1.08rem;
    font-weight: 600;
    box-shadow: none;
}

    .downloads-item .accordion-button:hover {
        background: #f7faff;
    }

    .downloads-item .accordion-button:focus {
        box-shadow: 0 0 0 4px rgba(117, 175, 245, 0.25);
    }

    .downloads-item .accordion-button:not(.collapsed) {
        background: var(--hc-sky-soft);
        color: var(--hc-primary);
    }

        .downloads-item .accordion-button::after,
        .downloads-item .accordion-button:not(.collapsed)::after {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%231b6ec2'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
        }

.downloads-icon {
    display: inline-flex;
    flex-shrink: 0;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 12px;
    background: var(--hc-sky-soft);
    color: var(--hc-primary);
    font-size: 1.25rem;
}

.downloads-item .accordion-button:not(.collapsed) .downloads-icon {
    background: var(--hc-primary);
    color: #fff;
}

.downloads-item .accordion-body {
    padding: 1.25rem 1.4rem 1.4rem;
}

.downloads-desc {
    font-size: 1.05rem;
    line-height: 1.7;
    color: #4a5866;
}

.downloads-action {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: .5rem 1rem;
    margin-top: 1rem;
}

.downloads-btn {
    padding: .55rem 1.4rem;
    border-radius: 999px;
    color: #fff;
    background: var(--hc-primary);
    font-weight: 600;
    box-shadow: 0 6px 16px rgba(27, 110, 194, 0.3);
}

    .downloads-btn:hover {
        color: #fff;
        background: var(--hc-primary-dark);
    }

.downloads-filename {
    color: #7a8794;
    font-size: .9rem;
    word-break: break-all;
}

/* Адаптив */
@media (max-width: 767px) {
    .downloads-groups {
        position: static;
        flex-direction: row;
        flex-wrap: nowrap;
        overflow-x: auto;
        padding: .6rem;
    }

    .downloads-group {
        flex-shrink: 0;
        white-space: nowrap;
    }

    .downloads-item .accordion-button {
        font-size: 1.05rem;
    }
}