/* Hard layout guard: keep the dynamic carousel from contributing an oversized
   intrinsic width to the first column of the shared course-page grid. */
.lms-course-hero > div:first-child,
.lms-course-hero > section:first-child,
.lms-course-hero > main:first-child,
.octary-course-preview-host {
    min-width: 0 !important;
    max-width: 100% !important;
}

.octary-course-taster {
    contain: inline-size;
}

/* Octary course intro module previews — fully namespaced. Layout fix v20260715-3. */
.octary-course-preview-host {
    /* The host is the left-hand grid item on Octary course intro pages.
       min-width:0 prevents the horizontal preview track from enlarging the
       entire two-column course layout. */
    min-width: 0 !important;
    max-width: 100%;
}

.octary-course-taster {
    --oct-preview-ink: #10202a;
    --oct-preview-muted: #60717c;
    --oct-preview-line: rgba(16, 49, 67, 0.14);
    --oct-preview-teal: #21c795;
    --oct-preview-teal-dark: #148766;
    --oct-preview-blue: #2f76bf;
    width: 100%;
    max-width: 100%;
    min-width: 0;
    margin: 2rem 0 2.35rem;
    color: var(--oct-preview-ink);
}

.octary-course-taster *,
.octary-course-taster *::before,
.octary-course-taster *::after {
    box-sizing: border-box;
}

.octary-course-taster__shell {
    width: 100%;
    max-width: 100%;
    min-width: 0;
    overflow: hidden;
    border: 1px solid var(--oct-preview-line);
    border-radius: 24px;
    background:
        radial-gradient(circle at 94% 0%, rgba(33, 199, 149, 0.12), transparent 30%),
        radial-gradient(circle at 6% 4%, rgba(47, 118, 191, 0.09), transparent 28%),
        #f8fbfc;
    box-shadow: 0 20px 55px rgba(9, 33, 47, 0.1);
}

.octary-course-taster__header {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 1.25rem;
    align-items: end;
    padding: clamp(1.25rem, 3vw, 2rem);
    border-bottom: 1px solid var(--oct-preview-line);
}

.octary-course-taster__eyebrow {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    margin: 0 0 0.5rem;
    color: var(--oct-preview-teal-dark);
    font-size: 0.73rem;
    font-weight: 900;
    letter-spacing: 0.13em;
    text-transform: uppercase;
}

.octary-course-taster__eyebrow::before {
    content: "";
    width: 0.55rem;
    height: 0.55rem;
    flex: 0 0 0.55rem;
    border-radius: 999px;
    background: var(--oct-preview-teal);
    box-shadow: 0 0 0 5px rgba(33, 199, 149, 0.12);
}

.octary-course-taster__title {
    margin: 0;
    color: var(--oct-preview-ink);
    font-size: clamp(1.55rem, 3vw, 2.5rem);
    font-weight: 900;
    line-height: 1.08;
    letter-spacing: -0.025em;
}

.octary-course-taster__intro {
    max-width: 790px;
    margin: 0.65rem 0 0;
    color: var(--oct-preview-muted);
    font-size: 0.98rem;
    line-height: 1.66;
}

.octary-course-taster__summary {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 0.45rem;
    max-width: 420px;
}

.octary-course-taster__summary-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    min-height: 2.15rem;
    padding: 0.48rem 0.7rem;
    border: 1px solid rgba(16, 49, 67, 0.12);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.78);
    color: #28424f;
    font-size: 0.78rem;
    font-weight: 800;
    white-space: nowrap;
}

.octary-course-taster__summary-pill strong {
    color: #0d7257;
    font-size: 0.9rem;
}

.octary-course-taster__toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.85rem clamp(1.1rem, 3vw, 2rem);
    border-bottom: 1px solid var(--oct-preview-line);
    background: rgba(255, 255, 255, 0.7);
}

.octary-course-taster__position {
    color: #5d707b;
    font-size: 0.8rem;
    font-weight: 750;
}

.octary-course-taster__actions,
.octary-course-taster__nav {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.octary-course-taster__button,
.octary-course-taster__arrow {
    appearance: none;
    border: 1px solid rgba(16, 49, 67, 0.16);
    border-radius: 11px;
    background: #fff;
    color: #193542;
    font: inherit;
    font-size: 0.8rem;
    font-weight: 850;
    cursor: pointer;
    transition: transform 0.16s ease, border-color 0.16s ease, box-shadow 0.16s ease, background 0.16s ease;
}

.octary-course-taster__button {
    padding: 0.68rem 0.9rem;
}

.octary-course-taster__arrow {
    display: inline-grid;
    width: 2.55rem;
    height: 2.55rem;
    place-items: center;
    padding: 0;
    font-size: 1.1rem;
}

.octary-course-taster__button:hover,
.octary-course-taster__arrow:hover,
.octary-course-taster__button:focus-visible,
.octary-course-taster__arrow:focus-visible {
    transform: translateY(-1px);
    border-color: rgba(20, 135, 102, 0.45);
    background: #f6fffc;
    box-shadow: 0 8px 20px rgba(11, 60, 49, 0.1);
    outline: none;
}

.octary-course-taster__track {
    display: grid;
    width: 100%;
    max-width: 100%;
    min-width: 0;
    grid-auto-flow: column;
    grid-auto-columns: minmax(300px, 31.5%);
    gap: 1rem;
    overflow-x: auto;
    overscroll-behavior-inline: contain;
    scroll-snap-type: inline mandatory;
    scrollbar-width: thin;
    padding: clamp(1.1rem, 2.5vw, 1.65rem);
    scroll-padding-inline: clamp(1.1rem, 2.5vw, 1.65rem);
}

.octary-course-taster__track::-webkit-scrollbar {
    height: 9px;
}

.octary-course-taster__track::-webkit-scrollbar-thumb {
    border: 2px solid transparent;
    border-radius: 999px;
    background: rgba(21, 87, 80, 0.28);
    background-clip: padding-box;
}

.octary-course-taster.is-expanded .octary-course-taster__track {
    grid-auto-flow: row;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    overflow: visible;
    scroll-snap-type: none;
}

.octary-course-preview-card {
    position: relative;
    display: flex;
    min-width: 0;
    min-height: 100%;
    flex-direction: column;
    overflow: hidden;
    scroll-snap-align: start;
    border: 1px solid rgba(16, 49, 67, 0.14);
    border-radius: 18px;
    background: #fff;
    box-shadow: 0 13px 28px rgba(11, 39, 54, 0.08);
    transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

.octary-course-preview-card:hover,
.octary-course-preview-card:focus-within {
    transform: translateY(-3px);
    border-color: rgba(33, 199, 149, 0.42);
    box-shadow: 0 18px 36px rgba(11, 39, 54, 0.14);
}

.octary-course-preview-card__media {
    position: relative;
    min-height: 190px;
    overflow: hidden;
    background:
        linear-gradient(135deg, rgba(12, 38, 54, 0.96), rgba(14, 77, 74, 0.9)),
        #12333f;
}

.octary-course-preview-card__media::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(4, 22, 31, 0.72), transparent 56%);
    pointer-events: none;
}

.octary-course-preview-card__image {
    display: block;
    width: 100%;
    height: 210px;
    object-fit: cover;
    transition: transform 0.45s ease;
}

.octary-course-preview-card:hover .octary-course-preview-card__image {
    transform: scale(1.035);
}

.octary-course-preview-card__fallback {
    display: grid;
    min-height: 210px;
    place-items: center;
    padding: 2rem;
    color: rgba(233, 255, 249, 0.95);
    font-size: 3rem;
    font-weight: 900;
}

.octary-course-preview-card__module,
.octary-course-preview-card__kind {
    position: absolute;
    z-index: 2;
    display: inline-flex;
    align-items: center;
    border-radius: 999px;
    font-weight: 850;
    backdrop-filter: blur(10px);
}

.octary-course-preview-card__module {
    top: 0.8rem;
    left: 0.8rem;
    min-height: 1.95rem;
    padding: 0.38rem 0.65rem;
    background: rgba(5, 29, 39, 0.76);
    color: #dffbf3;
    font-size: 0.73rem;
    letter-spacing: 0.04em;
}

.octary-course-preview-card__kind {
    right: 0.75rem;
    bottom: 0.75rem;
    padding: 0.33rem 0.58rem;
    background: rgba(255, 255, 255, 0.86);
    color: #24434f;
    font-size: 0.67rem;
}

.octary-course-preview-card__body {
    display: flex;
    flex: 1;
    flex-direction: column;
    padding: 1.05rem 1.05rem 1rem;
}

.octary-course-preview-card__title {
    margin: 0;
    color: #10222c;
    font-size: 1.08rem;
    font-weight: 900;
    line-height: 1.28;
}

.octary-course-preview-card__excerpt {
    display: -webkit-box;
    min-height: 4.75em;
    margin: 0.62rem 0 0;
    overflow: hidden;
    color: #5b6e79;
    font-size: 0.86rem;
    line-height: 1.58;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
}

.octary-course-preview-card__stats {
    display: flex;
    flex-wrap: wrap;
    gap: 0.38rem;
    margin-top: 0.78rem;
}

.octary-course-preview-card__stat {
    display: inline-flex;
    align-items: center;
    gap: 0.28rem;
    padding: 0.3rem 0.48rem;
    border-radius: 8px;
    background: #f1f6f7;
    color: #4b646f;
    font-size: 0.7rem;
    font-weight: 800;
}

.octary-course-preview-card__lessons {
    display: grid;
    gap: 0.38rem;
    margin: 0.85rem 0 0;
    padding: 0;
    list-style: none;
}

.octary-course-preview-card__lesson {
    position: relative;
    overflow: hidden;
    padding-left: 0.9rem;
    color: #38525e;
    font-size: 0.76rem;
    font-weight: 700;
    line-height: 1.35;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.octary-course-preview-card__lesson::before {
    content: "";
    position: absolute;
    top: 0.45em;
    left: 0;
    width: 0.36rem;
    height: 0.36rem;
    border-radius: 999px;
    background: var(--oct-preview-teal);
}

.octary-course-preview-card__footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    margin-top: auto;
    padding-top: 0.95rem;
}

.octary-course-preview-card__open {
    appearance: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.45rem;
    min-height: 2.55rem;
    padding: 0.65rem 0.82rem;
    border: 0;
    border-radius: 10px;
    background: linear-gradient(135deg, #20c493, #29b6c7);
    color: #052921;
    font: inherit;
    font-size: 0.77rem;
    font-weight: 950;
    cursor: pointer;
    box-shadow: 0 8px 18px rgba(26, 167, 132, 0.18);
}

.octary-course-preview-card__open:hover,
.octary-course-preview-card__open:focus-visible {
    filter: saturate(1.06) brightness(1.02);
    outline: 3px solid rgba(33, 199, 149, 0.22);
    outline-offset: 2px;
}

.octary-course-preview-card__duration {
    color: #6b7e87;
    font-size: 0.72rem;
    font-weight: 800;
    white-space: nowrap;
}

.octary-course-taster__status {
    padding: 1.5rem;
    color: #596e79;
    text-align: center;
}

.octary-course-preview-dialog {
    width: min(960px, calc(100vw - 1.5rem));
    max-height: min(86vh, 850px);
    padding: 0;
    overflow: auto;
    border: 0;
    border-radius: 22px;
    background: #fff;
    color: #10202a;
    box-shadow: 0 28px 80px rgba(1, 20, 31, 0.36);
}

.octary-course-preview-dialog::backdrop {
    background: rgba(4, 21, 31, 0.72);
    backdrop-filter: blur(5px);
}

.octary-course-preview-dialog__grid {
    display: grid;
    grid-template-columns: minmax(280px, 0.95fr) minmax(0, 1.05fr);
    min-height: 520px;
}

.octary-course-preview-dialog__media {
    position: relative;
    min-height: 340px;
    overflow: hidden;
    background: linear-gradient(135deg, #071d29, #11534e);
}

.octary-course-preview-dialog__media img {
    width: 100%;
    height: 100%;
    min-height: 520px;
    object-fit: cover;
}

.octary-course-preview-dialog__caption {
    position: absolute;
    right: 0.8rem;
    bottom: 0.8rem;
    left: 0.8rem;
    margin: 0;
    padding: 0.65rem 0.75rem;
    border-radius: 11px;
    background: rgba(5, 27, 38, 0.78);
    color: #effffb;
    font-size: 0.75rem;
    line-height: 1.45;
    backdrop-filter: blur(9px);
}

.octary-course-preview-dialog__content {
    position: relative;
    padding: clamp(1.25rem, 3vw, 2rem);
}

.octary-course-preview-dialog__close {
    appearance: none;
    position: absolute;
    top: 0.8rem;
    right: 0.8rem;
    z-index: 3;
    display: grid;
    width: 2.55rem;
    height: 2.55rem;
    place-items: center;
    padding: 0;
    border: 1px solid rgba(16, 49, 67, 0.15);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.94);
    color: #17333f;
    font: inherit;
    font-size: 1.15rem;
    font-weight: 800;
    cursor: pointer;
}

.octary-course-preview-dialog__eyebrow {
    margin: 0 3.2rem 0.45rem 0;
    color: var(--oct-preview-teal-dark);
    font-size: 0.72rem;
    font-weight: 900;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.octary-course-preview-dialog__title {
    margin: 0 3rem 0 0;
    font-size: clamp(1.45rem, 3vw, 2.2rem);
    line-height: 1.12;
}

.octary-course-preview-dialog__excerpt {
    margin: 0.8rem 0 0;
    color: #5d707b;
    line-height: 1.7;
}

.octary-course-preview-dialog__stats {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;
    margin: 1rem 0;
}

.octary-course-preview-dialog__heading {
    margin: 1.25rem 0 0.6rem;
    font-size: 0.82rem;
    font-weight: 900;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.octary-course-preview-dialog__lessons {
    display: grid;
    gap: 0.55rem;
    margin: 0;
    padding: 0;
    list-style: none;
}

.octary-course-preview-dialog__lesson {
    display: grid;
    grid-template-columns: 1.85rem minmax(0, 1fr);
    gap: 0.55rem;
    align-items: start;
    padding: 0.65rem 0.7rem;
    border: 1px solid rgba(16, 49, 67, 0.11);
    border-radius: 10px;
    background: #f7fafb;
    color: #36505c;
    font-size: 0.82rem;
    font-weight: 750;
    line-height: 1.42;
}

.octary-course-preview-dialog__lesson-index {
    display: grid;
    width: 1.85rem;
    height: 1.85rem;
    place-items: center;
    border-radius: 8px;
    background: rgba(33, 199, 149, 0.13);
    color: #107c5e;
    font-size: 0.7rem;
    font-weight: 950;
}

.octary-course-preview-dialog__note {
    margin: 1rem 0 0;
    padding: 0.75rem 0.85rem;
    border-left: 4px solid var(--oct-preview-teal);
    border-radius: 0 9px 9px 0;
    background: #effaf6;
    color: #45615b;
    font-size: 0.78rem;
    line-height: 1.55;
}

body.octary-preview-dialog-open {
    overflow: hidden;
}

@media (max-width: 1020px) {
    .octary-course-taster__track {
        grid-auto-columns: minmax(290px, 45%);
    }

    .octary-course-taster.is-expanded .octary-course-taster__track {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 760px) {
    .octary-course-taster {
        margin: 1.35rem auto 1.8rem;
    }

    .octary-course-taster__shell {
        border-radius: 17px;
    }

    .octary-course-taster__header {
        grid-template-columns: 1fr;
        align-items: start;
    }

    .octary-course-taster__summary {
        justify-content: flex-start;
        max-width: none;
    }

    .octary-course-taster__toolbar {
        align-items: flex-start;
        flex-wrap: wrap;
    }

    .octary-course-taster__actions {
        width: 100%;
        justify-content: space-between;
    }

    .octary-course-taster__track {
        grid-auto-columns: minmax(280px, 88%);
        padding: 1rem;
    }

    .octary-course-taster.is-expanded .octary-course-taster__track {
        grid-template-columns: 1fr;
    }

    .octary-course-preview-dialog__grid {
        grid-template-columns: 1fr;
    }

    .octary-course-preview-dialog__media,
    .octary-course-preview-dialog__media img {
        min-height: 260px;
        max-height: 340px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .octary-course-taster *,
    .octary-course-taster *::before,
    .octary-course-taster *::after {
        scroll-behavior: auto !important;
        transition-duration: 0.001ms !important;
        animation-duration: 0.001ms !important;
    }
}