/* =========================================
   COURSE DETAILS: HERO SECTION
   ========================================= */

.cd-hero {
    margin-top: 115px;
    padding: 50px 5% 60px;
    background-color: #F8F8FF;
}

.cd-hero-container {
    max-width: 1300px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 50px;
    align-items: center;
}

.cd-hero-content .breadcrumbs {
    display: flex;
    align-items: center;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 20px;
}

.cd-hero-content .breadcrumbs a {
    color: var(--sub-text);
    text-decoration: none;
    transition: color 0.3s;
}

.cd-hero-content .breadcrumbs a:hover {
    color: var(--brand-primary);
}

.cd-hero-content .breadcrumbs .separator {
    color: var(--sub-text);
    margin: 0 12px;
    font-size: 0.7rem;
}

.cd-hero-content .breadcrumbs .current {
    color: var(--body-text);
}

.cd-title {
    font-size: 2.6rem;
    font-weight: 800;
    color: var(--body-text);
    line-height: 1.2;
    margin: 15px 0;
}

.cd-desc {
    font-size: 1.05rem;
    color: var(--sub-text);
    line-height: 1.6;
    margin-bottom: 20px;
    max-width: 550px;
}

.cd-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 25px;
    font-size: 0.95rem;
    color: var(--sub-text);
    margin-bottom: 30px;
}

.cd-meta .rating-icon { color: #F59E0B; }
.cd-meta .user-icon, .cd-meta .duration-icon { color: #94A3B8; }

.cd-hero-actions {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.cd-hero-actions .btn-outline {
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Hero Enroll button: no hover animation here (kept plain/static) */
.cd-hero-enroll-btn,
.cd-hero-enroll-btn:hover {
    background-color: var(--brand-primary);
    transform: none;
    box-shadow: none;
    transition: none;
}

/* Hero Image */
.cd-hero-image {
    width: 100%;
    aspect-ratio: 16 / 10;
    background-color: #E9D5FF;
    border-radius: 20px;
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
}

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

/* --- Mobile --- */
@media (max-width: 900px) {
    .cd-hero-container {
        grid-template-columns: 1fr;
    }
    .cd-hero-image {
        order: -1;
    }
}

/* =========================================
   COURSE DETAILS: MAIN CONTENT LAYOUT
   ========================================= */

.cd-main-section {
    padding: 60px 5%;
    background-color: #FFFFFF;
}

.cd-main-container {
    max-width: 1300px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 40px;
    align-items: start;
}

.cd-main-col {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.cd-sidebar {
    display: flex;
    flex-direction: column;
    gap: 30px;
    position: sticky;
    top: 130px;
}

/* Shared Card Style */
.cd-card {
    background-color: #FFFFFF;
    border: 1px solid #F1F5F9;
    border-radius: 16px;
    padding: 30px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03);
}

.cd-card-title {
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--body-text);
    margin-bottom: 15px;
}

.cd-card-title-sm {
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--body-text);
    margin-bottom: 20px;
}

.cd-card-header-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.cd-card-header-row .cd-card-title {
    margin-bottom: 0;
}

.cd-link {
    color: var(--brand-primary);
    font-size: 0.9rem;
    font-weight: 600;
    text-decoration: none;
}

.cd-card-text {
    font-size: 1rem;
    color: var(--sub-text);
    line-height: 1.7;
    margin-bottom: 25px;
}

/* --- About: Info Grid --- */
.cd-info-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.cd-info-item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.85rem;
}

.cd-info-item i {
    background-color: #F3E8FF;
    color: var(--brand-primary);
    width: 40px;
    height: 40px;
    border-radius: 10px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1rem;
    flex-shrink: 0;
}

.cd-info-item div {
    display: flex;
    flex-direction: column;
}

.cd-info-item strong {
    color: var(--body-text);
    font-size: 0.95rem;
}

.cd-info-item span {
    color: var(--sub-text);
    font-size: 0.8rem;
}

/* --- What You'll Learn --- */
.cd-learn-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px 30px;
}

.cd-learn-grid span {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.95rem;
    color: var(--body-text);
}

.cd-learn-grid i {
    color: var(--brand-primary);
}

/* --- Curriculum --- */
.cd-curriculum-list {
    display: flex;
    flex-direction: column;
}

.cd-curriculum-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 5px;
    border-bottom: 1px solid #F1F5F9;
    font-size: 0.95rem;
    color: var(--body-text);
    font-weight: 600;
}

.cd-curriculum-item:last-child {
    border-bottom: none;
}

.cd-curriculum-item i {
    color: var(--brand-primary);
    font-size: 0.8rem;
    margin-right: 10px;
}

.cd-curriculum-meta {
    color: var(--sub-text);
    font-weight: 400;
    font-size: 0.85rem;
    white-space: nowrap;
}

/* =========================================
   COURSE DETAILS: SIDEBAR
   ========================================= */

/* --- Pricing Card --- */
.cd-price-card {
    padding: 30px;
}

.cd-price-row {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}

.cd-price-current {
    font-size: 2rem;
    font-weight: 800;
    color: var(--body-text);
}

.cd-price-old {
    font-size: 1.1rem;
    color: var(--sub-text);
    text-decoration: line-through;
}

.cd-discount-tag {
    background-color: #DCFCE7;
    color: #15803D;
    font-size: 0.8rem;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: 20px;
}

.cd-price-list {
    list-style: none;
    padding: 0;
    margin-bottom: 25px;
}

.cd-price-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.95rem;
    color: var(--body-text);
    padding: 8px 0;
}

.cd-price-list i {
    color: var(--brand-primary);
}

.cd-price-btn {
    width: 100%;
    padding: 14px;
    border-radius: 10px;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    margin-bottom: 15px;
    border: none;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.2s ease;
}

.cd-price-btn:hover {
    background-color: var(--body-text);
    transform: translateY(-2px);
}

.cd-guarantee {
    text-align: center;
    font-size: 0.85rem;
    color: var(--sub-text);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.cd-guarantee i {
    color: var(--brand-primary);
}

/* --- Instructor Card --- */
.cd-instructor {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 15px;
}

.cd-instructor-img {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
    background-color: #F3E8FF;
    flex-shrink: 0;
}

.cd-instructor h5 {
    font-size: 1.05rem;
    color: var(--body-text);
    margin-bottom: 3px;
}

.cd-instructor-role {
    display: block;
    color: var(--brand-primary);
    font-size: 0.85rem;
    font-weight: 600;
}

.cd-instructor-exp {
    display: block;
    color: var(--sub-text);
    font-size: 0.8rem;
    margin-top: 2px;
}

.cd-instructor-bio {
    font-size: 0.9rem;
    color: var(--sub-text);
    line-height: 1.6;
}

/* --- Course Includes --- */
.cd-includes-list {
    list-style: none;
    padding: 0;
}

.cd-includes-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.9rem;
    color: var(--body-text);
    padding: 10px 0;
    border-bottom: 1px solid #F1F5F9;
}

.cd-includes-list li:last-child {
    border-bottom: none;
}

.cd-includes-list i {
    color: var(--brand-primary);
    width: 20px;
    text-align: center;
}

/* =========================================
   RESPONSIVENESS
   ========================================= */

@media (max-width: 1000px) {
    .cd-main-container {
        grid-template-columns: 1fr;
    }
    .cd-sidebar {
        position: static;
    }
}

@media (max-width: 700px) {
    .cd-info-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .cd-learn-grid {
        grid-template-columns: 1fr;
    }
    .cd-curriculum-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 5px;
    }
}