/* =============================================
   Course Detail Page Styles
   Inspired by AceproConsulting
   ============================================= */

/* Hero */
.course-hero {
    background: var(--gradient-dark);
    padding: var(--space-12) 0 var(--space-16);
    position: relative;
    overflow: hidden;
}

.course-hero::before {
    content: '';
    position: absolute;
    top: -100px;
    right: -100px;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(106,13,173,0.2) 0%, transparent 70%);
    border-radius: 50%;
}

.course-hero-content {
    position: relative;
    z-index: 2;
    max-width: 700px;
}

.course-hero .breadcrumb {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-sm);
    color: rgba(255,255,255,0.5);
    margin-bottom: var(--space-6);
}

.course-hero .breadcrumb a {
    color: rgba(255,255,255,0.5);
    transition: color var(--transition-fast);
}

.course-hero .breadcrumb a:hover {
    color: white;
}

.bc-sep {
    opacity: 0.4;
    font-size: 1rem;
}

.course-hero .course-category {
    display: inline-block;
    padding: 4px 14px;
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: 700;
    text-transform: uppercase;
    color: white;
    margin-bottom: var(--space-4);
    letter-spacing: 0.5px;
}

.course-hero h1 {
    color: white;
    font-size: var(--text-4xl);
    margin-bottom: var(--space-4);
}

.course-hero-desc {
    font-size: var(--text-lg);
    color: rgba(255,255,255,0.7);
    line-height: 1.7;
    margin-bottom: var(--space-6);
}

.course-hero-stats {
    display: flex;
    gap: var(--space-6);
    flex-wrap: wrap;
}

.course-hero-stat {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    color: rgba(255,255,255,0.8);
    font-size: var(--text-sm);
    font-weight: 500;
}

.course-hero-stat i {
    color: var(--red-light);
}

/* Main Layout */
.course-detail-layout {
    display: grid;
    grid-template-columns: 1fr 380px;
    gap: var(--space-8);
    padding: var(--space-10) 0 var(--space-16);
    align-items: start;
}

/* Section Navigation (sticky tabs) */
.course-section-nav {
    position: sticky;
    top: var(--nav-height);
    background: white;
    border-bottom: 1px solid var(--gray-200);
    z-index: 40;
    margin: 0 calc(-1 * var(--space-6));
    padding: 0 var(--space-6);
}

.course-nav-links {
    display: flex;
    gap: var(--space-1);
    overflow-x: auto;
}

.course-nav-link {
    padding: var(--space-4) var(--space-5);
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--gray-500);
    white-space: nowrap;
    border-bottom: 3px solid transparent;
    transition: all var(--transition-fast);
    cursor: pointer;
    background: none;
    border-top: none;
    border-left: none;
    border-right: none;
}

.course-nav-link.active,
.course-nav-link:hover {
    color: var(--purple);
    border-bottom-color: var(--purple);
}

/* Content Sections */
.course-content-section {
    padding: var(--space-10) 0;
    border-bottom: 1px solid var(--gray-100);
}

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

.course-content-section h2 {
    font-size: var(--text-2xl);
    margin-bottom: var(--space-6);
}

/* Overview */
.overview-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
    margin-top: var(--space-6);
}

.overview-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    padding: var(--space-4);
    background: var(--bg-light);
    border-radius: var(--radius-md);
}

.overview-item i {
    color: var(--success);
    margin-top: 3px;
    font-size: var(--text-sm);
}

.overview-item span {
    font-size: var(--text-sm);
    color: var(--gray-700);
    line-height: 1.5;
}

/* Curriculum */
.curriculum-accordion {
    margin-top: var(--space-4);
}

.curriculum-module {
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-3);
    overflow: hidden;
    transition: all var(--transition-base);
}

.curriculum-module:hover {
    border-color: var(--gray-300);
}

.curriculum-module-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-5) var(--space-6);
    cursor: pointer;
    background: none;
    border: none;
    width: 100%;
    text-align: left;
    transition: all var(--transition-fast);
}

.curriculum-module-header:hover {
    background: var(--gray-50);
}

.module-header-left {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.module-number {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-md);
    background: var(--purple-pale);
    color: var(--purple);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-sm);
    font-weight: 700;
    flex-shrink: 0;
}

.curriculum-module.active .module-number {
    background: var(--gradient-primary);
    color: white;
}

.module-title {
    font-weight: 600;
    color: var(--dark);
    font-size: var(--text-base);
}

.module-duration {
    font-size: var(--text-xs);
    color: var(--gray-400);
    margin-left: auto;
    padding: 0 var(--space-3);
}

.module-toggle {
    font-size: var(--text-lg);
    color: var(--gray-400);
    transition: transform var(--transition-base);
}

.curriculum-module.active .module-toggle {
    transform: rotate(180deg);
    color: var(--purple);
}

.curriculum-module-body {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-slow);
}

.curriculum-module.active .curriculum-module-body {
    max-height: 500px;
}

.module-topics {
    padding: 0 var(--space-6) var(--space-5);
}

.module-topics li {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-2) 0;
    font-size: var(--text-sm);
    color: var(--gray-600);
    border-bottom: 1px solid var(--gray-50);
}

.module-topics li:last-child {
    border-bottom: none;
}

.module-topics li i {
    color: var(--success);
    font-size: 10px;
}

/* Certificates in Course Detail */
.cert-cards-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-5);
    margin-top: var(--space-2);
}

.cert-card {
    background: #fff;
    border: 1px solid rgba(0,0,0,0.07);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 2px 12px rgba(0,0,0,0.05);
    transition: transform 0.25s, box-shadow 0.25s;
}

.cert-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 32px rgba(106,13,173,0.12);
}

.cert-img-wrap {
    background: var(--bg-light);
    overflow: hidden;
    height: 190px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.cert-img-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s;
}

.cert-card:hover .cert-img-wrap img {
    transform: scale(1.04);
}

.cert-img-badge {
    position: absolute;
    top: 10px;
    left: 10px;
    background: linear-gradient(135deg, #6A0DAD, #FF1A1A);
    color: #fff;
    font-size: 0.65rem;
    font-weight: 800;
    letter-spacing: 1px;
    padding: 4px 10px;
    border-radius: 50px;
    text-transform: uppercase;
    box-shadow: 0 2px 8px rgba(106,13,173,0.3);
}

.cert-card-body {
    padding: var(--space-4);
}

.cert-card-body h4 {
    font-size: var(--text-sm);
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--space-1);
}

.cert-card-body p {
    font-size: var(--text-xs);
    color: var(--gray-500);
    margin: 0;
    line-height: 1.5;
}

/* Overview check marks */
.ov-check {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    min-width: 20px;
    background: linear-gradient(135deg, var(--purple), var(--red));
    color: white;
    border-radius: 50%;
    font-size: 0.7rem;
    font-weight: 700;
    margin-right: var(--space-3);
}

/* Module topic dot */
.topic-dot {
    color: var(--success);
    font-size: 1rem;
    line-height: 1;
    min-width: 12px;
}

/* Module toggle icon */
.module-toggle-icon {
    font-size: 0.7rem;
    color: var(--gray-500);
    transition: transform 0.25s;
    display: inline-block;
}

/* Pricing Sidebar (Sticky) */
.course-sidebar {
    position: sticky;
    top: calc(var(--nav-height) + var(--space-4));
}

.pricing-card {
    background: white;
    border-radius: var(--radius-xl);
    border: 1px solid var(--gray-200);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.pricing-card-header {
    background: var(--gradient-primary);
    padding: var(--space-6);
    text-align: center;
    color: white;
}

.pricing-card-header h3 {
    color: white;
    font-size: var(--text-xl);
    margin-bottom: var(--space-1);
}

.pricing-card-header p {
    color: rgba(255,255,255,0.8);
    font-size: var(--text-sm);
    margin: 0;
}

.pricing-plans {
    padding: var(--space-6);
}

.pricing-plan {
    border: 1.5px solid var(--gray-200);
    border-radius: var(--radius-md);
    padding: var(--space-4);
    margin-bottom: var(--space-2);
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
}

.pricing-plan:hover {
    border-color: var(--purple-light);
}

.pricing-plan.selected {
    border-color: var(--purple);
    background: var(--purple-pale);
}

.pricing-plan.popular {
    border-color: var(--red);
}

.pricing-plan.popular::before {
    content: 'MOST POPULAR';
    position: absolute;
    top: -10px;
    right: 12px;
    background: var(--red);
    color: white;
    font-size: 9px;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: var(--radius-full);
    letter-spacing: 0.5px;
}

.pricing-plan-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-2);
}

.plan-radio {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    border: 2px solid var(--gray-300);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.pricing-plan.selected .plan-radio {
    border-color: var(--purple);
}

.pricing-plan.selected .plan-radio::after {
    content: '';
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--purple);
}

.plan-name {
    font-weight: 600;
    color: var(--dark);
    font-size: var(--text-sm);
    display: flex;
    align-items: center;
    gap: var(--space-2);
    flex: 1;
    margin-left: var(--space-3);
}

.plan-name i {
    color: var(--purple);
}

.plan-price {
    font-size: var(--text-xl);
    font-weight: 800;
    color: var(--red);
    font-family: var(--font-heading);
}

.plan-features {
    font-size: var(--text-xs);
    color: var(--gray-500);
    margin-left: 32px;
}

/* Pricing Actions */
.pricing-actions {
    padding: 0 var(--space-6) var(--space-6);
}

.pricing-actions .btn {
    margin-bottom: var(--space-3);
}

.pricing-actions .divider {
    text-align: center;
    font-size: var(--text-xs);
    color: var(--gray-400);
    margin: var(--space-3) 0;
    position: relative;
}

.pricing-actions .divider::before,
.pricing-actions .divider::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 35%;
    height: 1px;
    background: var(--gray-200);
}

.pricing-actions .divider::before { left: 0; }
.pricing-actions .divider::after { right: 0; }

/* Brochure CTA */
.brochure-cta {
    background: var(--bg-light);
    border-radius: var(--radius-lg);
    padding: var(--space-5);
    text-align: center;
    margin-top: var(--space-3);
}

.brochure-cta p {
    font-size: var(--text-sm);
    color: var(--gray-600);
    margin-bottom: var(--space-3);
}

/* FAQ */
.faq-section .accordion-item {
    background: var(--bg-light);
    border: 1px solid var(--gray-200);
}

/* Bottom CTA (Mobile) */
.mobile-bottom-cta {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: white;
    border-top: 1px solid var(--gray-200);
    padding: var(--space-3) var(--space-4);
    z-index: 100;
    box-shadow: 0 -4px 12px rgba(0,0,0,0.1);
}

.mobile-bottom-cta-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
}

.mobile-bottom-price {
    font-size: var(--text-xs);
    color: var(--gray-500);
}

.mobile-bottom-price strong {
    display: block;
    font-size: var(--text-xl);
    color: var(--red);
    font-weight: 800;
}

/* Brochure Modal */
.brochure-modal .modal-content {
    max-width: 440px;
}

.brochure-modal h3 {
    margin-bottom: var(--space-2);
}

.brochure-modal p {
    font-size: var(--text-sm);
    color: var(--gray-500);
    margin-bottom: var(--space-6);
}

/* Industry Ready Section */
.industry-ready {
    background: var(--purple-pale);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    margin-top: var(--space-6);
}

.industry-ready h3 {
    margin-bottom: var(--space-4);
    color: var(--purple-dark);
}

.industry-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3);
}

.industry-feature {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-sm);
    color: var(--gray-700);
}

.industry-feature i {
    color: var(--purple);
}

/* Responsive */
@media (max-width: 1024px) {
    .course-detail-layout {
        grid-template-columns: 1fr;
    }
    
    .course-sidebar {
        position: relative;
        top: 0;
        order: -1;
    }
    
    .mobile-bottom-cta {
        display: block;
    }
    
    .cert-cards-row {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .course-hero h1 {
        font-size: var(--text-2xl);
    }
    
    .overview-grid {
        grid-template-columns: 1fr;
    }
    
    .industry-features {
        grid-template-columns: 1fr;
    }
    
    .course-hero-stats {
        gap: var(--space-4);
    }
}