/* Feature Cards */
.features {
    padding: var(--spacing-2xl) 0;
    background: var(--background-secondary);
    position: relative;
}

.features::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 80% 20%, rgba(37, 99, 235, 0.02) 0%, transparent 60%),
        radial-gradient(circle at 20% 80%, rgba(124, 58, 237, 0.02) 0%, transparent 60%);
}

.features .container {
    position: relative;
    z-index: 1;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-2xl);
}

.feature-card {
    background: var(--background-primary);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    text-align: center;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
    transition: var(--transition-normal);
    position: relative;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.feature-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto var(--spacing-lg);
    background: var(--primary-color);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    color: var(--background-primary);
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
}

.feature-card:hover .feature-icon {
    transform: scale(1.1);
    background: var(--secondary-color);
}

.feature-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 1rem;
    transition: var(--transition-fast);
}

.feature-link:hover {
    color: var(--secondary-color);
    transform: translateX(4px);
}

/* Stats Section */
.stats {
    padding: var(--spacing-2xl) 0;
    background: var(--background-primary);
    position: relative;
}

.stats::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        linear-gradient(45deg, transparent 40%, rgba(37, 99, 235, 0.01) 50%, transparent 60%);
}

.stats .container {
    position: relative;
    z-index: 1;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-xl);
    text-align: center;
    margin-top: var(--spacing-2xl);
}

.stat-item {
    position: relative;
    padding: var(--spacing-xl) var(--spacing-lg);
    background: var(--background-primary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
    transition: var(--transition-normal);
}

.stat-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.stat-item h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    line-height: 1.2;
}

.stat-item p {
    font-weight: 500;
    font-size: 1rem;
    color: var(--text-secondary);
    letter-spacing: 0.025em;
}

.stat-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto var(--spacing-md);
    background: var(--background-secondary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--primary-color);
    transition: var(--transition-normal);
}

.stat-item:hover .stat-icon {
    background: var(--primary-color);
    color: var(--background-primary);
    transform: scale(1.1);
}

/* Service Cards */
.services {
    padding: var(--spacing-2xl) 0;
    background: var(--background-accent);
    position: relative;
}

.services::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 30% 30%, rgba(37, 99, 235, 0.01) 0%, transparent 60%),
        radial-gradient(circle at 70% 70%, rgba(124, 58, 237, 0.01) 0%, transparent 60%);
}

.services .container {
    position: relative;
    z-index: 1;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-2xl);
}

.service-card {
    background: var(--background-primary);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
    border: 1px solid var(--border-light);
    position: relative;
}

.service-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.service-card-header {
    background: var(--primary-color);
    padding: var(--spacing-xl) var(--spacing-lg);
    color: var(--background-primary);
    text-align: center;
    position: relative;
}

.service-card-header h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0;
    color: var(--background-primary);
}

.service-card-body {
    padding: var(--spacing-xl) var(--spacing-lg);
}

.service-card-body ul {
    list-style: none;
    padding: 0;
    margin: var(--spacing-md) 0;
}

.service-card-body ul li {
    padding: 0.5rem 0;
    color: var(--text-secondary);
    position: relative;
    padding-left: 1.5rem;
}

.service-card-body ul li::before {
    content: '✓';
    position: absolute;
    left: 0;
    top: 0.5rem;
    color: var(--success-color);
    font-weight: bold;
}

/* Course Category Cards */
.course-category-card {
    background: var(--background-primary);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    border: 1px solid var(--border-light);
    transition: var(--transition-normal);
    height: 100%;
}

.course-category-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.course-category-card h3 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
    font-size: 1.5rem;
}

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

.course-list li {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border-light);
    color: var(--text-secondary);
    font-weight: 500;
}

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

/* Badges */
.discount-badge {
    background: var(--accent-warm);
    color: var(--background-primary);
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 600;
    display: inline-block;
}

.featured-badge {
    background: var(--accent-warm);
    color: var(--background-primary);
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
}

.remote-badge {
    background: var(--success-color);
    color: var(--background-primary);
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
}

/* Skill Tags */
.skill-tag {
    background: var(--background-secondary);
    color: var(--primary-color);
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 500;
    display: inline-block;
    margin: 0.25rem 0.25rem 0 0;
}

/* Process Steps */
.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-2xl);
}

.step-card {
    background: var(--background-primary);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    text-align: center;
    border: 1px solid var(--border-light);
    transition: var(--transition-normal);
    position: relative;
}

.step-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.step-number {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 30px;
    height: 30px;
    background: var(--primary-color);
    color: var(--background-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.9rem;
}

.step-icon {
    width: 60px;
    height: 60px;
    margin: var(--spacing-md) auto var(--spacing-lg);
    background: var(--background-secondary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--primary-color);
    transition: var(--transition-normal);
}

.step-card:hover .step-icon {
    background: var(--primary-color);
    color: var(--background-primary);
    transform: scale(1.1);
}

.step-card h3 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    font-size: 1.25rem;
}

.step-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* Responsive Components */
@media (max-width: 768px) {
    .features-grid,
    .services-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-lg);
    }

    .feature-card,
    .service-card {
        padding: var(--spacing-lg);
    }

    .process-steps {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
}

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
}