body {
    background-color: #f7f9fc;
    color: #191c1e;
}

.course-detail-page section[id],
.course-detail-page nav { scroll-margin-top: 7rem; }

.course-detail-page .dest-hero {
    min-height: clamp(34rem, 68vh, 48rem);
    display: flex;
    align-items: center;
}

.course-detail-onpage {
    position: sticky;
    top: 5.25rem;
    z-index: 10;
    display: flex;
    flex-wrap: wrap;
    gap: .5rem;
    padding-top: .8rem;
    padding-bottom: .8rem;
    background: rgba(247, 249, 252, .94);
    backdrop-filter: blur(12px);
}

.course-detail-onpage a {
    display: inline-flex;
    align-items: center;
    min-height: 2.5rem;
    padding: .55rem .8rem;
    border: 1px solid #d8e4e8;
    border-radius: 999px;
    background: #fff;
    color: #075f73;
    font-size: .75rem;
    font-weight: 700;
}

.course-detail-panel,
.course-module-card {
    border-color: #d8e4e8 !important;
    box-shadow: 0 10px 32px rgba(7, 24, 39, 0.035) !important;
}

.course-detail-panel,
.course-module-card {
    border-radius: 18px !important;
}

.course-module-card {
    min-height: 100%;
}

.course-module-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 18px 46px rgba(7, 24, 39, 0.08) !important;
}

.course-detail-panel h3,
.course-module-card h4 {
    line-height: 1.35;
}

.course-detail-panel p,
.course-module-card p {
    line-height: 1.65;
}

main a[href]:focus-visible {
    outline: 3px solid rgba(13, 125, 150, 0.28);
    outline-offset: 3px;
}

.course-detail-page a:focus-visible {
    outline: 3px solid rgba(13, 125, 150, .4);
    outline-offset: 4px;
}

.course-detail-cta-link { min-height: 2.875rem; }

@media (max-width: 767px) {
    .course-detail-page .dest-hero { min-height: 40rem; align-items: flex-end; }
    .course-detail-onpage { top: 4.5rem; overflow-x: auto; flex-wrap: nowrap; white-space: nowrap; }
    .course-detail-onpage a { flex: 0 0 auto; }

    .course-detail-panel {
        position: static;
    }

    .course-detail-panel a {
        white-space: normal;
    }
}

@media (prefers-reduced-motion: reduce) {
    .course-detail-onpage {
        scroll-behavior: auto;
    }

    .course-module-card,
    .course-detail-panel a {
        transition: none !important;
    }

    .course-module-card:hover {
        transform: none;
    }
}