/* ============================================================
   Course Detail Page
   ============================================================ */
.course-detail {
    padding: 5rem;
    max-width: 780px;
}

.course-detail__category {
    font-size: 1.1rem;
    color: var(--color-text-muted);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin: 0 0 0.6rem;
}

.course-detail__title {
    font-family: var(--font-serif);
    font-size: 3.8rem;
    font-weight: 400;
    color: var(--color-text);
    margin: 0 0 1.5rem;
    line-height: 1.1;
}

.course-detail__desc {
    font-size: 1.5rem;
    color: var(--color-text-muted);
    line-height: 1.7;
    margin: 0 0 2rem;
}

.course-detail__desc p {
    margin: 0 0 0.75rem;
}

/* Meta grid */
.course-detail__meta {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem 2rem;
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
    padding: 1.5rem 0;
    margin-bottom: 2rem;
}

.course-detail__meta-item {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

.course-detail__meta-label {
    font-size: 1.1rem;
    color: var(--color-text-muted);
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.course-detail__meta-value {
    font-family: var(--font-serif);
    font-size: 1.7rem;
    color: var(--color-text);
}

/* Sessions */
.course-detail__sessions {
    margin-bottom: 2rem;
}

.course-detail__sessions-heading {
    font-family: var(--font-serif);
    font-size: 1.8rem;
    font-weight: 400;
    color: var(--color-text);
    margin: 0 0 0.75rem;
}

.course-detail__session {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.6rem 0;
    border-bottom: 1px solid var(--color-border);
    font-family: var(--font-serif);
    font-size: 1.5rem;
    color: var(--color-text);
}

.course-detail__session:last-child {
    border-bottom: none;
}

.course-detail__session-sep {
    color: var(--color-text-muted);
}

.course-detail__session-location {
    color: var(--color-text-muted);
}

/* CTA */
.course-detail__cta {
    display: inline-flex;
    align-items: center;
    margin-top: 2rem;
    background: var(--color-text);
    color: #fff;
    font-family: var(--font-serif);
    font-size: 1.7rem;
    letter-spacing: 0.04em;
    padding: 1.1rem 2.8rem;
    border-radius: 3px;
    text-decoration: none;
    transition: background 0.2s;
}

.course-detail__cta:hover,
.course-detail__cta:focus {
    background: var(--color-accent);
    color: #fff;
    text-decoration: none;
}

.course-detail__back {
    display: block;
    margin-top: 1.25rem;
    font-family: var(--font-serif);
    font-size: 1.4rem;
    color: var(--color-text-muted);
    text-decoration: none;
    transition: color 0.2s;
}

.course-detail__back:hover {
    color: var(--color-text);
    text-decoration: none;
}

/* ============================================================
   Course Finder – Hero / Search
   ============================================================ */
.course-finder-hero {
    background: var(--color-bg-card);
    padding: 3.5rem 5rem 3rem;
}

.course-finder-hero__title {
    font-family: var(--font-serif);
    font-size: 4rem;
    font-weight: 400;
    color: var(--color-text);
    margin: 0 0 1.75rem;
}

.course-finder-hero__form {
    max-width: 100%;
}

.course-search-bar {
    display: flex;
    align-items: center;
    gap: 1rem;
    border: 1px solid var(--color-border);
    border-radius: 4px;
    background: var(--color-bg);
    padding: 0.85rem 1.25rem;
}

.course-search-bar__icon {
    font-size: 1.4rem;
    color: var(--color-text-muted);
    flex-shrink: 0;
}

.course-search-bar__input {
    border: none;
    outline: none;
    font-family: var(--font-serif);
    font-size: 1.6rem;
    color: var(--color-text);
    background: transparent;
    width: 100%;
    margin: 0;
    padding: 0;
    box-shadow: none;
}

.course-search-bar__input::placeholder {
    color: var(--color-text-muted);
}

/* ============================================================
   Course Finder – Layout
   ============================================================ */
.course-finder-layout {
    display: flex;
    align-items: flex-start;
    min-height: 60vh;
}

/* ============================================================
   Sidebar
   ============================================================ */
.course-finder-sidebar {
    flex: 0 0 220px;
    padding: 3.5rem 2.5rem 3.5rem 5rem;
    border-right: 1px solid var(--color-border);
    min-height: 60vh;
}

.sidebar__heading {
    font-family: var(--font-serif);
    font-size: 1.8rem;
    font-weight: 400;
    color: var(--color-text);
    margin: 0 0 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--color-border);
}

.sidebar__list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.sidebar__item {
    margin: 0;
    padding: 0;
}

.sidebar__link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-family: var(--font-serif);
    font-size: 1.6rem;
    color: var(--color-text);
    text-decoration: none;
    transition: color 0.2s;
}

.sidebar__link:hover,
.sidebar__link:focus {
    color: var(--color-accent);
    text-decoration: none;
}

.sidebar__link--clear {
    color: var(--color-text-muted);
    font-size: 1.4rem;
}

.sidebar__radio {
    display: inline-block;
    width: 1.1rem;
    height: 1.1rem;
    border-radius: 50%;
    border: 1.5px solid var(--color-text-muted);
    flex-shrink: 0;
    transition: border-color 0.2s;
}

.sidebar__radio--filled {
    border-color: var(--color-text);
    background: transparent;
    box-shadow: inset 0 0 0 3px var(--color-bg), inset 0 0 0 5px var(--color-text);
}

.sidebar__link--active .sidebar__radio,
.sidebar__link:hover .sidebar__radio {
    border-color: var(--color-text);
}

/* ============================================================
   Course Listing
   ============================================================ */
.course-listing {
    flex: 1;
    padding: 3.5rem 5rem;
}

.course-listing__empty {
    font-size: 1.5rem;
    color: var(--color-text-muted);
    margin: 0;
}

.course-listing__divider {
    border: none;
    border-top: 1px solid var(--color-border);
    margin: 2.5rem 0;
}

/* ============================================================
   Course Card
   ============================================================ */
.course-card {
    padding: 0.25rem 0;
}

.course-card__category {
    font-family: var(--font-serif);
    font-size: 1.4rem;
    color: var(--color-text-muted);
    margin: 0 0 0.4rem;
    letter-spacing: 0.03em;
}

.course-card__title {
    font-family: var(--font-serif);
    font-size: 3rem;
    font-weight: 400;
    color: var(--color-text);
    margin: 0 0 0.5rem;
    line-height: 1.15;
}

.course-card__title a {
    color: inherit;
    text-decoration: none;
    transition: color 0.2s;
}

.course-card__title a:hover {
    color: var(--color-accent);
    text-decoration: none;
}

.course-card__desc {
    font-size: 1.4rem;
    color: var(--color-text-muted);
    margin: 0 0 1.25rem;
    line-height: 1.5;
}

.course-card__details {
    display: flex;
    align-items: center;
    gap: 3rem;
    flex-wrap: wrap;
}

.course-card__detail {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    color: var(--color-text);
    white-space: nowrap;
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 900px) {
    .course-finder-hero {
        padding: 2.5rem 1.5rem 2rem;
    }

    .course-finder-layout {
        flex-direction: column;
    }

    .course-finder-sidebar {
        flex: none;
        width: 100%;
        padding: 1.5rem;
        border-right: none;
        border-bottom: 1px solid var(--color-border);
        min-height: unset;
    }

    .sidebar__list {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 0.75rem 1.5rem;
    }

    .course-listing {
        padding: 2rem 1.5rem;
    }

    .course-detail {
        padding: 2rem 1.5rem;
    }

    .course-detail__meta {
        grid-template-columns: 1fr;
    }
}