/* Course detail page redesign — full-width VIDEO COURSE hero + larger player */
.course-detail-page {
    --course-accent: #E0912F;
}

/* Full-width hero band; content is aligned to the page container */
.course-detail-page .inner-hero {
    display: block;
    width: 100%;
    max-width: none;
    margin: 0;
    padding: clamp(48px, 6vw, 86px) 0;
    background:
        radial-gradient(circle at 82% 15%, rgba(224,145,47,.13), transparent 32%),
        linear-gradient(115deg, #151d35 0%, #20263a 58%, #292b3b 100%);
    border-bottom: 1px solid rgba(148,163,184,.14);
}

.course-detail-page .inner-hero > .container {
    width: min(1320px, calc(100% - 56px));
    max-width: 1320px;
    margin-inline: auto;
}

.course-detail-page .inner-hero .page-kicker {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    margin-bottom: 15px;
    color: var(--course-accent);
    font-size: .78rem;
    font-weight: 900;
    letter-spacing: .16em;
    text-transform: uppercase;
}

.course-detail-page .inner-hero .page-kicker::before {
    content: "";
    width: 24px;
    height: 3px;
    border-radius: 5px;
    background: var(--course-accent);
}

.course-detail-page .inner-hero h1 {
    max-width: 1000px;
    margin: 0 0 16px;
    color: #fff;
    font-size: clamp(2.25rem, 5vw, 4.25rem);
    font-weight: 850;
    line-height: 1.08;
    letter-spacing: -.035em;
}

.course-detail-page .inner-hero p {
    max-width: 900px;
    margin: 0;
    color: #c3cee0;
    font-size: clamp(1rem, 1.5vw, 1.15rem);
    line-height: 1.85;
}

/* Use more of the available screen width */
.course-detail-page > .container.page-section {
    width: min(1320px, calc(100% - 56px));
    max-width: 1320px;
    margin-inline: auto;
    padding-top: 34px;
    padding-bottom: 64px;
}

.course-detail-page .course-back-link {
    margin-bottom: 22px;
    font-size: .92rem;
}

.course-detail-page .course-watch-layout {
    display: grid;
    grid-template-columns: minmax(0, 2.25fr) minmax(290px, .8fr);
    align-items: stretch;
    gap: 24px;
}

.course-detail-page .course-video-panel,
.course-detail-page .course-detail-sidebar {
    border: 1px solid rgba(148,163,184,.2);
    border-radius: 18px;
    box-shadow: 0 18px 48px rgba(0,0,0,.16);
}

.course-detail-page .course-video-panel {
    min-width: 0;
}

.course-detail-page .course-video-topbar {
    min-height: 52px;
    align-items: center;
    padding: 14px 20px;
    background: #1d2433;
    font-size: .78rem;
    letter-spacing: .04em;
}

.course-detail-page .course-video-frame {
    width: 100%;
    aspect-ratio: 16 / 9;
    min-height: 320px;
    background: #080b12;
}

.course-detail-page .course-video-frame iframe {
    display: block;
    width: 100%;
    height: 100%;
    border: 0;
}

.course-detail-page .course-video-caption {
    padding: 24px 26px 27px;
}

.course-detail-page .course-video-caption h2 {
    margin-bottom: 10px;
    font-size: clamp(1.2rem, 2vw, 1.55rem);
    line-height: 1.35;
}

.course-detail-page .course-video-caption p {
    max-width: 100%;
    font-size: .96rem;
    line-height: 1.8;
    overflow-wrap: anywhere;
}

.course-detail-page .course-detail-sidebar {
    min-width: 0;
    padding: 25px;
}

.course-detail-page .course-detail-sidebar-heading {
    gap: 15px;
    padding-bottom: 21px;
}

.course-detail-page .course-detail-sidebar-heading .dynamic-course-icon {
    flex-basis: 54px;
    width: 54px;
    height: 54px;
    font-size: 1.45rem;
}

.course-detail-page .course-detail-sidebar-heading span {
    font-size: .72rem;
    letter-spacing: .1em;
}

.course-detail-page .course-detail-sidebar-heading h3 {
    font-size: 1.18rem;
    line-height: 1.4;
    overflow-wrap: anywhere;
}

.course-detail-page .course-detail-meta {
    gap: 19px;
    margin: 24px 0;
}

.course-detail-page .course-detail-meta > div {
    column-gap: 12px;
}

.course-detail-page .course-detail-meta i {
    font-size: 1rem;
}

.course-detail-page .course-detail-meta span {
    margin-bottom: 3px;
    font-size: .78rem;
}

.course-detail-page .course-detail-meta strong {
    font-size: .94rem;
}

.course-detail-page .course-open-youtube {
    margin-top: auto;
    padding: 14px 16px;
    font-size: .92rem;
    transition: transform .2s ease, background .2s ease;
}

.course-detail-page .course-open-youtube:hover {
    transform: translateY(-2px);
    background: #f0a94c;
}

.course-detail-page .course-player-hint {
    margin-top: 15px;
    font-size: .8rem;
    line-height: 1.6;
}

.course-detail-page .course-related-heading {
    margin-top: 58px;
}

.course-detail-page .course-related-heading h2 {
    font-size: clamp(1.5rem, 2.5vw, 2rem);
}

@media (min-width: 1500px) {
    .course-detail-page .inner-hero > .container,
    .course-detail-page > .container.page-section {
        width: min(1400px, calc(100% - 80px));
        max-width: 1400px;
    }
}

@media (max-width: 900px) {
    .course-detail-page .course-watch-layout {
        grid-template-columns: minmax(0, 1fr);
    }

    .course-detail-page .course-detail-sidebar {
        min-height: 0;
    }
}

@media (max-width: 600px) {
    .course-detail-page .inner-hero {
        padding: 42px 0;
    }

    .course-detail-page .inner-hero > .container,
    .course-detail-page > .container.page-section {
        width: calc(100% - 32px);
    }

    .course-detail-page .inner-hero h1 {
        font-size: 2.1rem;
    }

    .course-detail-page .course-video-frame {
        min-height: 0;
    }

    .course-detail-page .course-video-caption {
        padding: 18px;
    }

    .course-detail-page .course-detail-sidebar {
        padding: 19px;
    }
}