/* ===================================
   Course Detail Page Styles
   =================================== */

.course-hero {
    position: relative;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 6rem 0 4rem;
    overflow: hidden;
    min-height: 400px;
}

.course-hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;
    z-index: 0;
}

.course-hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.15;
}

.course-hero-bg::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.95) 0%, rgba(16, 185, 129, 0.9) 100%);
}

.breadcrumb {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: var(--spacing-md);
    font-size: 0.875rem;
    opacity: 0.9;
}

.breadcrumb a {
    color: white;
    transition: var(--transition-base);
}

.breadcrumb a:hover {
    opacity: 0.8;
}

.breadcrumb span {
    color: rgba(255, 255, 255, 0.7);
}

.course-hero-content {
    position: relative;
    z-index: 2;
}

.course-hero-content .course-badge {
    display: inline-block;
    margin-bottom: var(--spacing-md);
}

.course-hero-content h1 {
    color: white;
    margin-bottom: var(--spacing-md);
    max-width: 800px;
}

.course-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.meta-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.15);
    padding: 0.625rem 1.25rem;
    border-radius: var(--radius-xl);
    backdrop-filter: blur(10px);
    font-weight: 500;
}

.meta-item i {
    font-size: 1.125rem;
}

/* ===================================
   Course Content Layout
   =================================== */

.course-layout {
    display: grid;
    grid-template-columns: 1fr 380px;
    gap: var(--spacing-xl);
    align-items: start;
}

.course-main {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.content-block {
    background: white;
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.content-block h2 {
    color: var(--primary-dark);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 3px solid var(--secondary-color);
}

.content-block p {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: var(--spacing-sm);
}

.content-block p:last-child {
    margin-bottom: 0;
}

/* Objectives List */
.objectives-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.objectives-list li {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    background: var(--bg-light);
    border-radius: var(--radius-md);
    transition: var(--transition-base);
}

.objectives-list li:hover {
    background: #e0f2fe;
    transform: translateX(5px);
}

.objectives-list i {
    color: var(--secondary-color);
    font-size: 1.25rem;
    margin-top: 0.125rem;
    flex-shrink: 0;
}

.objectives-list span {
    color: var(--text-primary);
    line-height: 1.6;
}

/* Curriculum */
.curriculum {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.curriculum-item {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--bg-light);
    border-radius: var(--radius-md);
    transition: var(--transition-base);
}

.curriculum-item:hover {
    background: white;
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.curriculum-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--secondary-color) 100%);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.curriculum-content h4 {
    color: var(--primary-dark);
    margin-bottom: 0.5rem;
    font-size: 1.125rem;
}

.curriculum-content p {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    line-height: 1.6;
    margin: 0;
}

/* Certification Badge */
.certification-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--secondary-color) 100%);
    color: white;
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    font-weight: 600;
    margin-top: var(--spacing-md);
}

.certification-badge i {
    font-size: 1.5rem;
}

/* ===================================
   Sidebar
   =================================== */

.course-sidebar {
    position: sticky;
    top: 100px;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.sidebar-card {
    background: white;
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

/* Form Card Styles */
.form-card {
    background: linear-gradient(135deg, #f9fafb 0%, #ffffff 100%);
    border: 2px solid var(--primary-color);
}

.form-card h3 {
    color: var(--primary-dark);
    margin-bottom: var(--spacing-sm);
    text-align: center;
    font-size: 1.375rem;
}

.form-subtitle {
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.9375rem;
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

/* Course Lead Form */
.course-lead-form {
    margin-bottom: var(--spacing-lg);
}

.course-lead-form .form-group {
    margin-bottom: var(--spacing-md);
}

.course-lead-form label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.9375rem;
}

.course-lead-form input[type="text"],
.course-lead-form input[type="email"],
.course-lead-form input[type="tel"],
.course-lead-form select,
.course-lead-form textarea {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    font-family: var(--font-primary);
    font-size: 0.9375rem;
    transition: var(--transition-base);
}

.course-lead-form input:focus,
.course-lead-form select:focus,
.course-lead-form textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.course-lead-form textarea {
    resize: vertical;
    min-height: 80px;
}

.form-row-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-sm);
}

.course-lead-form .checkbox-group {
    margin-bottom: var(--spacing-md);
}

.course-lead-form .checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 0.625rem;
    cursor: pointer;
    font-weight: 400;
    font-size: 0.875rem;
}

.course-lead-form .checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    margin-top: 2px;
    flex-shrink: 0;
    cursor: pointer;
}

.course-lead-form .checkbox-label a {
    color: var(--primary-color);
    text-decoration: underline;
}

.btn-block {
    width: 100%;
    display: block;
}

.course-lead-form .form-message {
    margin-top: var(--spacing-md);
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    display: none;
    font-size: 0.9375rem;
}

.course-lead-form .form-message.success {
    display: block;
    background: #d1fae5;
    color: #065f46;
    border: 1px solid #10b981;
}

.course-lead-form .form-message.error {
    display: block;
    background: #fee2e2;
    color: #991b1b;
    border: 1px solid #ef4444;
}

.form-features {
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.form-feature {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.form-feature i {
    color: var(--secondary-color);
    font-size: 1rem;
}

/* Legacy CTA Card Styles (if needed) */
.cta-card {
    background: linear-gradient(135deg, #f9fafb 0%, #ffffff 100%);
    border: 2px solid var(--primary-color);
}

.cta-card h3 {
    color: var(--primary-dark);
    margin-bottom: var(--spacing-md);
    text-align: center;
    font-size: 1.5rem;
}

.price {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-md);
    background: white;
    border-radius: var(--radius-md);
}

.price-label {
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 0.25rem;
}

.price-value {
    color: var(--primary-color);
    font-size: 1.5rem;
    font-weight: 700;
}

.cta-features {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.cta-feature {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--text-secondary);
    font-size: 0.9375rem;
}

.cta-feature i {
    color: var(--secondary-color);
    font-size: 1.125rem;
}

.info-card h4 {
    color: var(--primary-dark);
    margin-bottom: var(--spacing-md);
    font-size: 1.125rem;
}

.info-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) 0;
    color: var(--text-secondary);
}

.info-item:not(:last-child) {
    border-bottom: 1px solid var(--border-color);
}

.info-item i {
    color: var(--primary-color);
    font-size: 1.125rem;
}

.info-item a {
    color: var(--primary-color);
    word-break: break-word;
}

.info-item a:hover {
    text-decoration: underline;
}

/* ===================================
   Related Courses
   =================================== */

.related-courses {
    background: var(--bg-light);
}

.related-courses .section-title {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.related-courses .courses-grid {
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    max-width: 900px;
    margin: 0 auto;
}

/* ===================================
   Responsive Design
   =================================== */

@media (max-width: 1024px) {
    .course-layout {
        grid-template-columns: 1fr;
    }
    
    .course-sidebar {
        position: static;
        top: auto;
    }
    
    .sidebar-card {
        max-width: 600px;
        margin: 0 auto;
    }
}

@media (max-width: 768px) {
    .course-hero {
        padding: 4rem 0 3rem;
    }
    
    .course-hero-content h1 {
        font-size: 1.75rem;
    }
    
    .course-meta {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .meta-item {
        width: 100%;
        justify-content: center;
    }
    
    .content-block {
        padding: var(--spacing-lg);
    }
    
    .curriculum-item {
        flex-direction: column;
    }
    
    .curriculum-icon {
        width: 100%;
        height: 60px;
    }
    
    .related-courses .courses-grid {
        grid-template-columns: 1fr;
    }
    
    .form-row-2 {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .course-hero {
        padding: 3rem 0 2rem;
    }
    
    .breadcrumb {
        font-size: 0.75rem;
    }
    
    .sidebar-card {
        padding: var(--spacing-lg);
    }
    
    .course-lead-form input,
    .course-lead-form select,
    .course-lead-form textarea {
        font-size: 16px; /* Prevent zoom on iOS */
    }
}

/* ===================================
   Additional Course Content Styles
   =================================== */

/* Requirements List */
.requirements-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.requirement-item {
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-start;
    padding: var(--spacing-md);
    background: var(--bg-light);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--primary-color);
}

.requirement-item i {
    font-size: 1.75rem;
    color: var(--primary-color);
    flex-shrink: 0;
    margin-top: 0.25rem;
}

.requirement-item h4 {
    color: var(--primary-dark);
    margin-bottom: 0.25rem;
    font-size: 1.0625rem;
}

.requirement-item p {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    margin: 0;
}

/* Why Study Grid */
.why-study-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-md);
}

.why-study-item {
    text-align: center;
    padding: var(--spacing-lg);
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    border-radius: var(--radius-lg);
    transition: var(--transition-base);
}

.why-study-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.why-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto var(--spacing-md);
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.why-icon i {
    font-size: 1.875rem;
    color: white;
}

.why-study-item h4 {
    color: var(--primary-dark);
    margin-bottom: 0.5rem;
    font-size: 1.0625rem;
}

.why-study-item p {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    line-height: 1.6;
    margin: 0;
}

/* Career List */
.career-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.career-list li {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--bg-light);
    border-radius: var(--radius-md);
    align-items: flex-start;
    transition: var(--transition-base);
}

.career-list li:hover {
    background: white;
    box-shadow: var(--shadow-md);
}

.career-list i {
    font-size: 1.5rem;
    color: var(--secondary-color);
    flex-shrink: 0;
    margin-top: 0.25rem;
}

.career-list strong {
    display: block;
    color: var(--primary-dark);
    margin-bottom: 0.25rem;
    font-size: 1.0625rem;
}

.career-list span {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    line-height: 1.6;
}

/* Methodology Grid */
.methodology-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-md);
}

.methodology-item {
    text-align: center;
    padding: var(--spacing-lg);
    background: white;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-lg);
    transition: var(--transition-base);
}

.methodology-item:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-md);
}

.methodology-item i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.methodology-item h4 {
    color: var(--primary-dark);
    margin-bottom: 0.5rem;
    font-size: 1.0625rem;
}

.methodology-item p {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    line-height: 1.6;
    margin: 0;
}