/* Course Layout Fix */
.layout {
    display: grid;
    grid-template-columns: 290px 1fr;
    gap: 18px;
    align-items: start;
}

.sidebar {
    background: #fff;
    border: 1px solid rgba(17, 24, 39, .08);
    border-radius: 12px;
    overflow: hidden;
    position: sticky;
    top: 14px;
    max-height: calc(100vh - 28px);
    display: flex;
    flex-direction: column;
}

.sideHead {
    padding: 14px 14px;
    font-weight: 800;
    border-bottom: 1px solid rgba(17, 24, 39, .08);
    background: linear-gradient(180deg, #f8faff, #eef2ff);
    color: #111827;
}

.sideBody {
    padding: 8px 0 12px;
    overflow: auto;
}

.filterSection {
    padding: 12px 12px 14px;
    margin: 10px 12px;
    border: 1px solid rgba(17, 24, 39, .08);
    border-radius: 12px;
    background: #fff;
    box-shadow: 0 8px 22px rgba(17, 24, 39, .05);
}

.secTop {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 12px;
    border-radius: 10px;
    background: linear-gradient(180deg, #f8faff, #eef2ff);
    font-weight: 800;
    color: #111827;
    letter-spacing: .08em;
    font-size: 11px;
}

.filterRow {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    padding: 8px 10px;
    border: 1px solid rgba(17, 24, 39, .08);
    border-radius: 10px;
    background: #fafbff;
    transition: background .18s ease, border-color .18s ease, transform .18s ease;
    margin-top: 8px;
}

.filterRow:hover {
    background: #fff;
    border-color: rgba(99, 102, 241, .20);
    transform: translateY(-1px);
}

.crumb {
    font-size: 12px;
    color: #6b7280;
    margin: 4px 0 8px;
}

.mainHead {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 14px;
    margin: 2px 0 14px;
}

.grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
}

.card {
    background: #fff;
    border: 1px solid rgba(17, 24, 39, .08);
    border-radius: 14px;
    overflow: hidden;
    box-shadow: 0 10px 26px rgba(17, 24, 39, .06);
    transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
    display: flex;
    flex-direction: column;
    height: 100%;
}
.card > a {
    display: flex;
    flex-direction: column;
    height: 100%;
    text-decoration: none;
    color: inherit;
}
.card__info {
    padding: 14px 14px 16px;
    flex-grow: 1;
}

.card:hover {
    border-color: rgba(99, 102, 241, .22);
    transform: translateY(-6px);
    box-shadow: 0 18px 44px rgba(17, 24, 39, .14);
}

.card__link {
    text-decoration: none;
    color: inherit;
}

.card__logo {
    width: 100%;
    aspect-ratio: 3300 / 2550;
    background: #f3f4f6;
    border-bottom: 1px solid rgba(17, 24, 39, .06);
    display: flex;
    align-items: center;
    justify-content: center;
}

.card__logo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    background: #fff;
}

.card__placeholder {
    font-size: 24px;
    font-weight: 800;
    color: #cbd5e1;
    text-align: center;
    padding: 20px;
}

.card__info {
    padding: 14px 14px 16px;
}

.card__name {
    margin: 0 0 4px;
    font-weight: 700;
    font-size: 18px;
    color: #111827;
}

.card__stats {
    font-size: 13px;
    color: #6b7280;
    font-weight: 500;
}

.card__bottom {
    padding: 0 14px 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card__price strong {
    font-size: 18px;
    color: #111827;
}

.card__btn {
    background: #4e3bc9;
    color: #fff;
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 12px;
    font-weight: 700;
}

/* --- Course Detail Page --- */
.courseHero {
    background: #0b1220;
    color: #e5e7eb;
}

.courseHero__inner {
    max-width: 1280px;
    margin: 0 auto;
    padding: 26px 14px 26px;
}

.courseCrumb {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    font-size: 13px;
    color: #cbd5e1;
    margin-bottom: 14px;
}

.courseCrumb a {
    color: #a5b4fc;
    text-decoration: none;
}

.courseHero__grid {
    display: grid;
    grid-template-columns: 1.6fr .9fr;
    gap: 22px;
    align-items: start;
}

.courseTitle {
    margin: 0 0 10px;
    font-size: 38px;
    line-height: 1.15;
    font-weight: 800;
    color: #fff;
}

.courseSub {
    margin: 0 0 14px;
    font-size: 16px;
    line-height: 1.55;
    color: #fff;
}

.badge {
    display: inline-block;
    padding: 5px 10px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 700;
    color: #0f172a;
    background: #e2e8f0;
}

.courseMeta {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 14px;
    font-size: 13px;
    color: #cbd5e1;
    margin-bottom: 16px;
}

.metaItem {
    display: flex;
    align-items: center;
    gap: 8px;
}

.metaDot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #94a3b8;
}

.courseDescBox {
    background: rgba(255, 255, 255, .06);
    border: 1px solid rgba(255, 255, 255, .10);
    border-radius: 12px;
    padding: 20px 20px;
    margin-top: 22px;
}

.courseSectionTitle {
    margin: 0 0 14px;
    font-size: 16px;
    font-weight: 800;
    color: #fff;
    padding-bottom: 10px;
    border-bottom: 1px solid rgba(255, 255, 255, .12);
    letter-spacing: .02em;
}

/* --- Course content styling --- */
.courseDesc {
    margin: 0;
    color: #cbd5e1;
    line-height: 1.8;
}

.courseDesc h2,
.courseDesc h3 {
    color: #f1f5f9;
    font-size: 18px;
    font-weight: 800;
    margin: 22px 0 10px;
    padding-top: 18px;
    border-top: 1px solid rgba(255, 255, 255, .08);
    display: flex;
    align-items: center;
    gap: 8px;
}

.courseDesc h2:first-child,
.courseDesc h3:first-child {
    margin-top: 0;
    padding-top: 0;
    border-top: none;
}

.courseDesc ul {
    margin: 6px 0 14px 0;
    padding: 0;
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 7px;
}

.courseDesc ul li {
    padding-left: 22px;
    position: relative;
    color: #cbd5e1;
    font-size: 14.5px;
    line-height: 1.65;
}

.courseDesc ul li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #818cf8;
    font-weight: 700;
    font-size: 13px;
    top: 1px;
}

.courseDesc p {
    margin: 0 0 12px;
    font-size: 14.5px;
}

.courseDesc hr {
    border: none;
    border-top: 1px solid rgba(255, 255, 255, .08);
    margin: 16px 0;
}

.coursePreview {
    background: #0f172a;
    border: 1px solid rgba(255, 255, 255, .10);
    border-radius: 12px;
    overflow: hidden;
    position: sticky;
    top: 86px;
}

.coursePreview__img {
    width: 100%;
    aspect-ratio: 3300 / 2550;
    object-fit: contain;
    background: #f3f4f6;
}

.coursePreview__label {
    padding: 12px;
    color: #e5e7eb;
    font-weight: 700;
    font-size: 14px;
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, .10);
}

.subSection {
    margin: 22px 0 34px;
}

.subSection__title {
    margin: 0 0 14px;
    font-size: 22px;
    font-weight: 800;
    color: #0f172a;
}

.subGrid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}

.subCard {
    background: #fff;
    border: 1px solid #e5e7eb;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 10px 22px rgba(2, 6, 23, .08);
}

.subMedia {
    position: relative;
    height: 170px;
    background: #0f172a;
}

.subMedia img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.subTag {
    position: absolute;
    left: 12px;
    top: 12px;
    background: #ff6b6b;
    color: #fff;
    font-weight: 800;
    font-size: 12px;
    padding: 6px 10px;
    border-radius: 8px;
}

.subBody {
    padding: 14px;
}

.subTitle {
    margin: 0 0 8px;
    font-size: 18px;
    font-weight: 800;
    color: #0f172a;
}

.subFooter {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 12px;
    border-top: 1px solid #eef2f7;
    padding-top: 12px;
}

.subBtn {
    background: #4e3bc9;
    color: #fff;
    font-weight: 800;
    font-size: 13px;
    padding: 10px 14px;
    border-radius: 10px;
    text-decoration: none;
}

@media (max-width: 980px) {
    .layout {
        grid-template-columns: 1fr !important;
    }

    .sidebar {
        display: none !important;
    }

    .grid {
        grid-template-columns: 1fr !important;
    }

    .courseHero__grid {
        grid-template-columns: 1fr !important;
    }

    .coursePreview {
        position: relative;
        top: 0;
    }

    .subGrid {
        grid-template-columns: 1fr !important;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 12px 18px 30px !important;
    }
    
    .notice-box {
        padding: 18px 20px !important;
        margin-bottom: 24px !important;
    }
    
    .notice-box__title {
        font-size: 1.15rem !important;
    }
    
    .notice-box__content {
        font-size: 0.9rem !important;
    }

    .mainHead h1 {
        font-size: 26px !important;
    }
    
    .grid {
        gap: 16px !important;
        grid-template-columns: 1fr !important;
    }

    /* Prevent WhatsApp bubble from obstructing buttons */
    .join-chat, .join-chat--left {
        z-index: 50 !important; /* Below core buttons if needed */
        bottom: 10px !important; /* Move it down slightly */
    }
}

@media (max-width: 480px) {
    .container {
        padding: 10px 14px 20px !important;
    }
    
    .notice-box {
        padding: 16px !important;
        border-radius: 12px !important;
    }
    
    .mainHead h1 {
        font-size: 22px !important;
    }
    
    .card__name {
        font-size: 16px !important;
    }
    
    .card__bottom {
        padding: 0 12px 14px !important;
    }
    
    .card__btn {
        padding: 6px 12px !important;
        font-size: 11px !important;
    }
}

/* Category Labels */
.card__category {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    color: #4a5568;
    margin-bottom: 4px;
    letter-spacing: 0.05em;
}

.courseHero__cat {
    display: inline-block;
    padding: 6px 12px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.card.is-hidden {
    display: none !important;
}