:root {
    --study-primary: #4361ee;
    --study-secondary: #3a0ca3;
    --study-accent: #4cc9f0;
    --study-light: #f8f9fa;
}

.study-gradient {
    background: linear-gradient(135deg, var(--study-secondary) 0%, var(--study-primary) 100%);
    color: white;
    position: relative;
    overflow: hidden;
}

.study-gradient::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="40" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="1"/></svg>') repeat;
    opacity: 0.3;
}

.setup-container {
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.setup-container:hover {
    transform: translateY(-5px);
}

.section-card {
    border: none;
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.3s ease;
    height: 100%;
    border-top: 4px solid var(--study-primary);
}

.section-card:hover {
    box-shadow: 0 15px 35px rgba(67, 97, 238, 0.15);
    transform: translateY(-8px);
}

.checklist-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 1rem;
}

.checklist-icon {
    color: var(--study-primary);
    margin-right: 12px;
    font-size: 1.2rem;
    margin-top: 2px;
}

.setup-feature {
    text-align: center;
    padding: 20px 15px;
}

.feature-icon {
    font-size: 2.5rem;
    color: var(--study-primary);
    margin-bottom: 15px;
}

.ergonomic-demo {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-radius: 12px;
    padding: 25px;
    margin: 20px 0;
}

.product-card {
    border: 1px solid #e0e0e0;
    border-radius: 10px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.product-card:hover {
    border-color: var(--study-primary);
    box-shadow: 0 8px 20px rgba(67, 97, 238, 0.1);
}

.setup-diagram {
    width: 100%;
    max-width: 800px;
    margin: 30px auto;
    display: block;
}