/* =========================================================
   TRAINING SECTION
   ========================================================= */

.training p {
    max-width: 700px;

    margin-bottom: 30px;
}

.training .na-box {
    border-top: 3px solid rgba(29, 78, 216, 0.25);
}


/* =========================================================
   TRAINING GRID
   ========================================================= */

.training-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);

    gap: 16px 18px;
}


/* =========================================================
   TRAINING LINKS
   ========================================================= */

.training-link {
    display: block;

    color: inherit;
    text-decoration: none;
}

.training-link--upcoming {
    cursor: default;
}


/* =========================================================
   TRAINING TILES
   ========================================================= */

.training-tile {
    min-height: 52px;

    padding: 18px 20px;

    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;

    border-top: 2px solid rgba(29, 78, 216, 0.35);

    text-align: center;

    transition:
        transform var(--na-transition-fast),
        border-color var(--na-transition-fast),
        box-shadow var(--na-transition-fast);
}

.training-tile .na-box-title {
    margin: 0;

    font-size: 1.02rem;
    font-weight: 700;
    line-height: 1.25;
    letter-spacing: 0.01em;
}

.training-tile-status {
    margin-top: 5px;

    color: #94a3b8;

    font-size: 0.78rem;
    font-weight: 600;
    line-height: 1.2;
}

.training-link:hover .training-tile,
.training-link:focus-visible .training-tile {
    border-top-color: rgba(29, 78, 216, 0.7);
}


/* =========================================================
   TRAINING DETAIL
   ========================================================= */

.training-detail {
    margin-top: 40px;
}

.training-detail h3 {
    margin: 0 0 10px;
}

.training-detail p {
    max-width: 700px;

    margin: 0 0 30px 7px;
}


/* =========================================================
   TRAINING MODULES GRID
   ========================================================= */

.training-modules-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));

    gap: var(--na-gap-md);
}

.training-modules-grid .na-box {
    max-width: none;
    margin: 0;

    text-align: left;
}


/* =========================================================
   COURSE CARD
   ========================================================= */

.course-card.na-box {
    display: grid;
    grid-template-columns: 56px 1fr;
    align-items: start;

    column-gap: 16px;
    row-gap: 12px;
}

.course-head,
.course-learn,
.course-footer {
    min-width: 0;
}

.course-head,
.course-learn {
    position: relative;

    margin-bottom: 10px;
    padding-bottom: 10px;
}

.course-head::after,
.course-learn::after {
    content: "";

    display: block;

    width: 90%;
    height: 1px;

    margin-top: 10px;

    background: rgba(148, 163, 184, 0.22);
}


/* =========================================================
   COURSE ICON SLOT
   ========================================================= */

.course-icon {
    width: 28px;
    height: 28px;

    display: flex;
    align-items: center;
    justify-content: center;

    justify-self: center;

    font-size: 18px;
    font-weight: 700;
    line-height: 1;

    opacity: 0.9;
    user-select: none;
}

.course-icon--brand {
    display: flex;
    align-items: center;
    justify-content: center;
}

.course-icon--sql {
    color: var(--na-color-blue);
}

.course-icon--level {
    font-size: 14px;
}

.course-icon--beginner {
    color: var(--level-beginner);
}

.course-icon--intermediate {
    color: var(--level-intermediate);
}

.course-icon--advanced {
    color: var(--level-advanced);
}


/* =========================================================
   COURSE TEXT
   ========================================================= */

.course-title {
    margin: 0 0 8px;
}

.course-desc {
    max-width: 800px;

    margin: 0;

    font-size: 0.92rem;
    line-height: 1.55;
}


/* =========================================================
   COURSE LEARN BLOCK
   ========================================================= */

.course-learn-title {
    margin: 0 0 6px;

    font-weight: 700;
}

.course-learn-list {
    margin: 0;
    padding-left: 36px;

    font-size: 0.92rem;
    line-height: 1.5;
}

.course-learn-list li {
    margin-bottom: 6px;
}

.course-learn-list li:last-child {
    margin-bottom: 0;
}


/* =========================================================
   COURSE LEVEL
   ========================================================= */

.course-level {
    padding: 10px 12px;

    display: inline-flex;
    flex-direction: column;

    gap: 4px;

    border: 1px solid currentColor;
    border-radius: var(--na-radius-md);

    font-size: 0.9rem;
    line-height: 1.2;
}

.course-level-title {
    font-weight: 800;
}

.course-level-sub {
    opacity: 0.95;
}

.course-level--beginner {
    color: var(--level-beginner);
    background: var(--level-beginner-bg);
}

.course-level--intermediate {
    color: var(--level-intermediate);
    background: var(--level-intermediate-bg);
}

.course-level--advanced {
    color: var(--level-advanced);
    background: var(--level-advanced-bg);
}


/* =========================================================
   COURSE FOOTER
   ========================================================= */

.course-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;

    gap: var(--na-gap-sm);

    margin-top: 2px;
}

.course-footer .course-level {
    flex: 1 1 auto;
    min-width: 0;
}

.course-footer .course-more {
    flex: 0 0 auto;
    white-space: nowrap;
}


/* =========================================================
   COURSE INTERACTION
   ========================================================= */

.course-more {
    margin-top: 0;

    opacity: 0;
    pointer-events: none;

    transform: translateY(2px);

    transition:
        opacity var(--na-transition-fast),
        transform var(--na-transition-fast);
}

.course-card:hover .course-more,
.course-card:focus-within .course-more {
    opacity: 1;
    pointer-events: auto;

    transform: translateY(0);
}


/* =========================================================
   TRAINING DETAIL CTA
   ========================================================= */

.training-detail-cta {
    display: flex;
    justify-content: center;

    gap: 14px;

    margin-top: 56px;
    padding-top: 16px;
}

.training-detail-cta a {
    font-size: 1rem;
    text-decoration: none;
}


/* =========================================================
   TRAINING COLLAPSE
   ========================================================= */

.training-toggle {
    margin-bottom: 20px;

    display: flex;
    align-items: center;

    gap: 10px;

    border: 0;
    background: none;

    font-family: inherit;
    font-size: 1.4rem;
    font-weight: 700;

    cursor: pointer;
}

.training-toggle:hover {
    color: var(--na-icon-color);
}

.training-arrow {
    width: 7px;
    height: 7px;

    border-right: 2px solid currentColor;
    border-bottom: 2px solid currentColor;

    transform: rotate(45deg);

    transition:
        transform var(--na-transition-normal);
}

.training-detail.is-open .training-arrow {
    transform: rotate(-135deg);
}

.training-content {
    max-height: 0;

    overflow: hidden;

    transition:
        max-height 0.35s ease;
}

.training-detail.is-open .training-content {
    overflow: visible;
}

.training-detail:not(.is-open) .training-content {
    max-height: 0;
    overflow: hidden;
}


/* =========================================================
   RESPONSIVE — TABLET
   ========================================================= */

@media (max-width: 1024px) {
    .training-grid {
        gap: 14px 16px;
    }
}


/* =========================================================
   RESPONSIVE — MOBILE
   ========================================================= */

@media (max-width: 768px) {
    .training-modules-grid {
        grid-template-columns: 1fr;
    }

    .course-more {
        opacity: 1;
        pointer-events: auto;

        transform: none;
    }

    .course-footer {
        flex-direction: column;
        align-items: flex-start;
    }

    .training-grid {
        grid-template-columns: repeat(2, 1fr);

        gap: 12px 14px;
    }

    .training-tile {
        min-height: 64px;

        padding: 14px 16px;
    }

    .training-tile .na-box-title {
        font-size: 0.96rem;
    }
}