/* ============================================
   FOUNDER EMPIRE CSS - Knowledge Wave India
   Colors:
   - Dark Blue: #140F2D (Text, Headings, Thumb BG, Button hover)
   - White: #FDFFFC (Backgrounds, Cards, Light areas)
   - Golden Yellow Gradient: #F7B32B to #FFD700 (Accents, Price, Buttons, Tabs)
   ============================================ */

:root {
    --fe-dark-blue: #140F2D;
    --fe-white: #FDFFFC;
    --fe-yellow: #F7B32B;
    --fe-yellow-light: #FFD700;
    
    /* Golden Yellow Gradient */
    --golden-gradient: linear-gradient(135deg, #F7B32B, #FFD700);
}

.package-detail-area {
    padding: 60px 0 80px;
    background: var(--fe-white);
}

.row {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
    align-items: flex-start;
}

.col-lg-8 {
    flex: 0 0 calc(66.667% - 15px);
    max-width: calc(66.667% - 15px);
}

.col-lg-4 {
    flex: 0 0 calc(33.333% - 15px);
    max-width: calc(33.333% - 15px);
}

/* ========== THUMBNAIL ========== */
.package-detail-thumb {
    border-radius: 15px;
    overflow: hidden;
    margin-bottom: 30px;
    background: var(--fe-white);
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    border: 1px solid rgba(20, 15, 45, 0.08);
}

.founder-empire-thumb-img {
    width: 70%;
    max-width: 380px;
    height: auto;
    display: block;
    object-fit: contain;
    transition: transform 0.5s ease;
    position: relative;
    z-index: 1;
}

.package-detail-thumb:hover .founder-empire-thumb-img {
    transform: scale(1.05);
}

/* ========== CONTENT ========== */
.package-detail-content {
    background: var(--fe-white);
    border-radius: 15px;
    padding: 35px;
    box-shadow: 0 5px 20px rgba(20, 15, 45, 0.06);
    border: 1px solid rgba(20, 15, 45, 0.06);
}

.package-meta {
    list-style: none;
    padding: 0;
    margin: 0 0 12px;
}

.package-meta .rating {
    background: var(--golden-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: 14px;
    font-weight: 600;
}

.package-detail-content .title {
    font-size: 32px;
    font-weight: 800;
    color: var(--fe-dark-blue);
    margin: 0 0 25px;
}

/* ========== TABS ========== */
.detail-tabs {
    list-style: none;
    padding: 0;
    margin: 0 0 25px;
    display: flex;
    gap: 5px;
    border-bottom: 2px solid rgba(20, 15, 45, 0.1);
}

.tab-item {
    margin-bottom: -2px;
}

.tab-btn {
    padding: 14px 24px;
    border: none;
    background: none;
    font-size: 15px;
    font-weight: 600;
    color: rgba(20, 15, 45, 0.55);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: all 0.3s ease;
    font-family: 'Inter', sans-serif;
}

.tab-btn.active,
.tab-btn:hover {
    background: var(--golden-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    border-bottom-color: var(--fe-yellow);
}

.tab-panel {
    display: none;
}

.tab-panel.active {
    display: block;
}

/* ========== OVERVIEW ========== */
.overview-content h2 {
    font-size: 28px;
    color: var(--fe-dark-blue);
    margin: 0 0 10px;
    font-weight: 800;
}

.overview-content h3 {
    font-size: 20px;
    color: var(--fe-dark-blue);
    margin: 0 0 15px;
    font-weight: 700;
}

.overview-content h4 {
    font-size: 18px;
    color: rgba(20, 15, 45, 0.65);
    margin: 0 0 8px;
}

.overview-content p {
    color: rgba(20, 15, 45, 0.7);
    font-size: 16px;
    line-height: 1.8;
    margin: 0 0 15px;
}

.overview-content p strong {
    color: var(--fe-dark-blue);
}

/* ========== COURSE FEATURES ========== */
.course-features {
    list-style: none;
    padding: 0;
    margin: 20px 0;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5px 20px;
}

.course-features li {
    padding: 8px 0;
    font-size: 15px;
    color: rgba(20, 15, 45, 0.75);
    border-bottom: 1px solid rgba(20, 15, 45, 0.06);
    display: flex;
    align-items: center;
    gap: 8px;
}

.course-features li::before {
    content: '\f00c';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    font-size: 11px;
    color: var(--fe-yellow);
}

.course-features li strong {
    color: var(--fe-dark-blue);
}

/* ========== CURRICULUM ========== */
.curriculum-content h3 {
    font-size: 20px;
    color: var(--fe-dark-blue);
    margin: 0 0 20px;
    font-weight: 700;
}

.curriculum-title {
    font-size: 20px;
    color: var(--fe-dark-blue);
    margin: 0 0 20px;
    font-weight: 700;
}

.curriculum-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.curriculum-item {
    border: 1px solid rgba(20, 15, 45, 0.1);
    border-radius: 10px;
    overflow: hidden;
    background: var(--fe-white);
}

.curriculum-header {
    width: 100%;
    text-align: left;
    padding: 18px 20px;
    background: none;
    border: none;
    font-size: 16px;
    font-weight: 600;
    color: var(--fe-dark-blue);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-family: 'Inter', sans-serif;
}

.curriculum-header i {
    color: var(--fe-yellow);
    font-size: 14px;
    transition: transform 0.3s ease;
}

.curriculum-item.active .curriculum-header i {
    transform: rotate(180deg);
}

.curriculum-body {
    display: none;
    border-top: 1px solid rgba(20, 15, 45, 0.08);
}

.curriculum-item.active .curriculum-body {
    display: block;
}

.lesson-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.lesson-item {
    padding: 14px 20px 14px 35px;
    border-bottom: 1px solid rgba(20, 15, 45, 0.05);
    font-size: 15px;
    color: rgba(20, 15, 45, 0.75);
    cursor: pointer;
    transition: all 0.3s ease;
}

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

.lesson-item:hover {
    background: rgba(247, 179, 43, 0.06);
    color: var(--fe-yellow);
}

.lesson-name {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Lesson duration badge */
.lesson-duration {
    font-size: 12px;
    color: var(--fe-yellow);
    font-weight: 600;
}

/* ========== COURSE LIST (Numbered Style) ========== */
.course-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.course-item {
    border: 1px solid rgba(20, 15, 45, 0.1);
    border-radius: 10px;
    padding: 20px;
    background: var(--fe-white);
    transition: all 0.3s ease;
}

.course-item:hover {
    border-color: rgba(247, 179, 43, 0.3);
    box-shadow: 0 4px 15px rgba(247, 179, 43, 0.08);
    background: rgba(247, 179, 43, 0.03);
}

.course-item-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 8px;
}

.course-number {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--golden-gradient);
    color: var(--fe-dark-blue);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 700;
    flex-shrink: 0;
}

.course-item-header h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--fe-dark-blue);
    margin: 0;
}

.course-item p {
    color: rgba(20, 15, 45, 0.65);
    font-size: 14px;
    line-height: 1.6;
    margin: 0;
    padding-left: 44px;
}

/* ========== SIDEBAR ========== */
.package-sidebar {
    display: flex;
    flex-direction: column;
    gap: 20px;
    position: sticky;
    top: 100px;
}

.sidebar-card {
    background: var(--fe-white);
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0 5px 20px rgba(20, 15, 45, 0.08);
    border: 1px solid rgba(20, 15, 45, 0.06);
}

.sidebar-card h3 {
    font-size: 18px;
    color: var(--fe-dark-blue);
    margin: 0 0 20px;
    font-weight: 700;
    text-align: center;
}

/* ========== PRICING CARD ========== */
.price-box {
    text-align: center;
    padding: 20px;
    border-radius: 12px;
    background: rgba(247, 179, 43, 0.06);
    border: 1px solid rgba(247, 179, 43, 0.15);
    margin-bottom: 12px;
}

.price-box.alternate {
    background: rgba(20, 15, 45, 0.03);
    border: 1px solid rgba(20, 15, 45, 0.1);
}

.old-price {
    display: block;
    font-size: 18px;
    color: rgba(20, 15, 45, 0.4);
    text-decoration: line-through;
    margin-bottom: 5px;
}

.new-price {
    display: block;
    font-size: 36px;
    font-weight: 800;
    background: var(--golden-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 5px;
}

.price-box.alternate .new-price {
    font-size: 32px;
}

.price-label {
    display: inline-block;
    font-size: 12px;
    font-weight: 600;
    color: var(--fe-dark-blue);
    background: var(--golden-gradient);
    padding: 4px 12px;
    border-radius: 20px;
}

.price-box.alternate .price-label {
    background: rgba(20, 15, 45, 0.08);
    color: rgba(20, 15, 45, 0.6);
}

/* ========== FEATURES CARD ========== */
.features-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.features-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 0;
    border-bottom: 1px solid rgba(20, 15, 45, 0.06);
    font-size: 15px;
    color: rgba(20, 15, 45, 0.75);
}

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

.features-list li i {
    color: var(--fe-yellow);
    font-size: 16px;
}

/* ========== ENROLL BUTTON ========== */
.btn-enroll {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    background: var(--golden-gradient);
    color: var(--fe-dark-blue);
    font-weight: 700;
    font-size: 16px;
    padding: 16px 25px;
    border-radius: 50px;
    text-decoration: none;
    border: 2px solid transparent;
    transition: all 0.3s ease;
    box-shadow: 0 6px 20px rgba(247, 179, 43, 0.3);
    margin-top: 20px;
}

.btn-enroll:hover {
    background: var(--fe-dark-blue);
    color: var(--fe-yellow);
    border-color: var(--fe-yellow);
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(20, 15, 45, 0.3);
}

.btn-enroll svg {
    transition: transform 0.3s ease;
}

.btn-enroll:hover svg {
    transform: translateX(5px);
}

/* ========== SCROLL TOP ========== */
.scroll-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--golden-gradient);
    color: var(--fe-dark-blue);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    font-size: 18px;
    z-index: 999;
    display: none;
    align-items: center;
    justify-content: center;
    box-shadow: 0 5px 20px rgba(247, 179, 43, 0.4);
    transition: all 0.3s ease;
}

.scroll-top.show { 
    display: flex; 
}

.scroll-top:hover { 
    background: var(--fe-dark-blue); 
    color: var(--fe-yellow); 
    transform: translateY(-5px); 
}

/* ========== RESPONSIVE ========== */
@media (max-width: 991.98px) {
    .col-lg-8, 
    .col-lg-4 { 
        flex: 0 0 100%; 
        max-width: 100%; 
    }
    
    .package-detail-area { 
        padding: 40px 0 60px; 
    }
    
    .package-sidebar { 
        position: static; 
    }
    
    .founder-empire-thumb-img {
        width: 60%;
        max-width: 320px;
    }
    
    .package-detail-thumb {
        padding: 20px;
    }
    
    .course-features {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 767.98px) {
    .package-detail-content { 
        padding: 25px; 
    }
    
    .package-detail-content .title { 
        font-size: 26px; 
    }
    
    .tab-btn { 
        padding: 12px 16px; 
        font-size: 14px; 
    }
    
    .new-price { 
        font-size: 28px; 
    }
    
    .price-box.alternate .new-price {
        font-size: 26px;
    }
    
    .old-price {
        font-size: 16px;
    }
    
    .founder-empire-thumb-img {
        width: 55%;
        max-width: 280px;
    }
    
    .package-detail-thumb {
        padding: 18px;
    }
    
    .overview-content h2 {
        font-size: 24px;
    }
    
    .sidebar-card h3 {
        font-size: 16px;
    }
    
    .features-list li {
        font-size: 14px;
    }
    
    .btn-enroll {
        font-size: 15px;
        padding: 14px 22px;
    }
}

@media (max-width: 575.98px) {
    .package-detail-content { 
        padding: 20px; 
    }
    
    .package-detail-content .title { 
        font-size: 22px; 
    }
    
    .detail-tabs { 
        flex-wrap: wrap; 
    }
    
    .tab-btn {
        padding: 10px 14px;
        font-size: 13px;
    }
    
    .new-price { 
        font-size: 28px; 
    }
    
    .price-box.alternate .new-price {
        font-size: 24px;
    }
    
    .old-price {
        font-size: 15px;
    }
    
    .founder-empire-thumb-img {
        width: 65%;
        max-width: 240px;
    }
    
    .package-detail-thumb {
        padding: 16px;
    }
    
    .overview-content h2 {
        font-size: 20px;
    }
    
    .overview-content h4 {
        font-size: 16px;
    }
    
    .overview-content p {
        font-size: 14px;
    }
    
    .package-sidebar {
        gap: 15px;
    }
    
    .sidebar-card {
        padding: 20px;
    }
    
    .course-item {
        padding: 16px;
    }
    
    .course-item-header h4 {
        font-size: 14px;
    }
    
    .course-item p {
        font-size: 13px;
        padding-left: 40px;
    }
    
    .price-box {
        padding: 15px;
    }
    
    .btn-enroll {
        font-size: 14px;
        padding: 14px 20px;
    }
    
    .curriculum-header {
        font-size: 14px;
        padding: 14px 16px;
    }
    
    .lesson-item {
        font-size: 13px;
        padding: 12px 16px 12px 28px;
    }
}