.gpu-setup-section {
    padding: 4rem 2rem;
    max-width: 1000px;
    margin: 0 auto;
    background: var(--card-bg);
    border-radius: var(--radius-card);
    border: 1px solid var(--card-border);
    box-shadow: var(--shadow-card);
}

.gpu-setup-heading {
    font-size: 2.25rem;
    font-weight: 600;
    letter-spacing: -0.01em;
    text-align: center;
    margin-bottom: 3rem;
    color: var(--text-primary);
}

.gpu-setup-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.gpu-setup-step {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-card);
    padding: 2rem;
    box-shadow: var(--shadow-card);
    transition: background 0.15s ease, border-color 0.15s ease;
}

.gpu-setup-step:hover {
    background: var(--card-bg-hover);
    border-color: var(--control-border);
}

.gpu-setup-step h4 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.gpu-setup-step p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 1rem;
}

.gpu-setup-step a {
    color: var(--accent);
    text-decoration: none;
    transition: color 0.15s ease;
}

.gpu-setup-step a:hover {
    color: var(--accent-bright);
    text-decoration: underline;
}

.gpu-setup-step img {
    width: 100%;
    max-width: 420px;
    height: auto;
    border-radius: var(--radius-card);
    border: 1px solid var(--card-border);
    margin-top: 0.5rem;
    box-shadow: var(--shadow-card);
}

.image-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(8px);
    z-index: 1000;
    justify-content: center;
    align-items: center;
    cursor: pointer;
}

.image-modal img {
    max-width: 90%;
    max-height: 90vh;
    object-fit: contain;
    border-radius: var(--radius-card);
}