.getting-started-hero .section-eyebrow {
    margin-bottom: 20px;
}

.setup-section {
    padding-top: 40px;
}

.setup-shell {
    position: relative;
    max-width: 1120px;
    margin: 0 auto;
    overflow: hidden;
    border: 1px solid var(--border-default);
    border-radius: var(--radius-lg);
    background:
        linear-gradient(135deg, var(--accent-primary-dim), transparent 34%),
        var(--surface-panel-strong);
    box-shadow: var(--shadow-lg);
}

.setup-progress {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
    margin: 0;
    padding: 0;
    border-bottom: 1px solid var(--border-default);
    list-style: none;
}

.setup-progress li {
    position: relative;
    color: var(--text-muted);
    background: rgba(0, 0, 0, 0.08);
}

.setup-progress button {
    display: flex;
    width: 100%;
    min-height: 72px;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 16px;
    border: 0;
    color: inherit;
    background: transparent;
    cursor: pointer;
    font: inherit;
}

.setup-progress button:focus-visible {
    position: relative;
    z-index: 1;
    outline: 2px solid var(--accent-primary);
    outline-offset: -3px;
}

.setup-progress button:disabled {
    cursor: default;
}

.setup-progress li:not(:last-child) {
    border-right: 1px solid var(--border-subtle);
}

.setup-progress li::after {
    position: absolute;
    right: 0;
    bottom: -1px;
    left: 0;
    height: 2px;
    content: '';
    background: transparent;
}

.setup-progress span {
    display: grid;
    width: 28px;
    height: 28px;
    place-items: center;
    border: 1px solid var(--border-default);
    border-radius: 50%;
    font: 600 0.76rem/1 'JetBrains Mono', monospace;
}

.setup-progress strong {
    font-size: 0.82rem;
    font-weight: 600;
}

.setup-progress .is-active {
    color: var(--text-primary);
    background: var(--accent-primary-dim);
}

.setup-progress .is-active::after {
    background: var(--accent-primary);
}

.setup-progress .is-active span,
.setup-progress .is-complete span {
    border-color: var(--accent-primary);
    color: var(--text-inverse);
    background: var(--accent-primary);
}

.setup-progress .is-complete {
    color: var(--text-secondary);
}

.setup-progress .is-available {
    color: var(--text-secondary);
    background: rgba(255, 255, 255, 0.025);
}

.setup-stage {
    min-height: 570px;
    padding: 64px;
}

.setup-stage[hidden] {
    display: none;
}

.setup-stage.is-entering {
    animation: setup-stage-in 320ms ease both;
}

.setup-stage.is-leaving {
    animation: setup-stage-out 180ms ease both;
}

@keyframes setup-stage-in {
    from {
        opacity: 0;
        transform: translateX(20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes setup-stage-out {
    from {
        opacity: 1;
        transform: translateX(0);
    }
    to {
        opacity: 0;
        transform: translateX(-16px);
    }
}

.setup-stage-heading {
    max-width: 720px;
    margin: 0 auto 42px;
    text-align: center;
}

.setup-step-label {
    display: block;
    margin-bottom: 14px;
    color: var(--accent-primary);
    font: 600 0.74rem/1.2 'JetBrains Mono', monospace;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.setup-stage-heading h2 {
    margin: 0 0 14px;
    color: var(--text-primary);
    font-size: clamp(1.75rem, 4vw, 2.55rem);
    line-height: 1.1;
}

.setup-stage-heading p {
    margin: 0;
    color: var(--text-secondary);
    font-size: 1.02rem;
    line-height: 1.7;
}

.setup-stage-heading h2:focus {
    outline: none;
}

.setup-choice-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
}

.setup-choice-grid-two {
    grid-template-columns: repeat(2, minmax(0, 360px));
    justify-content: center;
}

.setup-choice-grid-one {
    grid-template-columns: minmax(0, 500px);
    justify-content: center;
}

.setup-choice {
    position: relative;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    min-height: 260px;
    padding: 0;
    border: 1px solid var(--card-border);
    border-radius: var(--radius-lg);
    color: var(--text-primary);
    background: var(--card-bg);
    box-shadow: var(--card-shadow);
    cursor: pointer;
    text-align: left;
    transition: transform var(--transition-base), border-color var(--transition-base), background var(--transition-base), box-shadow var(--transition-base);
}

.setup-choice:hover {
    transform: translateY(-3px);
    border-color: var(--border-strong);
    background: var(--card-hover-bg);
    box-shadow: var(--card-hover-shadow);
}

.setup-choice:focus-visible {
    outline: 2px solid var(--accent-primary);
    outline-offset: 3px;
}

.setup-choice.is-selected {
    border-color: var(--accent-primary);
    background:
        linear-gradient(145deg, var(--accent-primary-dim), transparent 58%),
        var(--card-hover-bg);
    box-shadow: 0 0 0 1px var(--accent-primary-dim), var(--card-hover-shadow);
}

.setup-choice-art {
    display: grid;
    height: 150px;
    place-items: center;
    overflow: hidden;
    border-bottom: 1px solid var(--border-subtle);
    background:
        radial-gradient(circle at center, var(--accent-primary-dim), transparent 68%),
        var(--surface-soft);
}

.setup-choice-art img {
    width: 100%;
    height: 100%;
    padding: 18px;
    object-fit: contain;
    opacity: 0.82;
    filter: var(--blueprint-art-filter);
}

.setup-choice-copy {
    display: flex;
    flex: 1;
    flex-direction: column;
    gap: 7px;
    justify-content: center;
    padding: 22px 24px;
}

.setup-choice-copy strong {
    font-size: 1.08rem;
}

.setup-choice-copy small {
    color: var(--text-muted);
    font-size: 0.83rem;
    line-height: 1.5;
}

.setup-choice-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin: 2px 0 3px;
}

.setup-choice-tags[hidden] {
    display: none;
}

.setup-choice-tag {
    display: inline-flex;
    align-items: center;
    min-height: 22px;
    padding: 5px 8px;
    border: 1px solid var(--border-default);
    border-radius: 999px;
    font: 600 0.58rem/1 'JetBrains Mono', monospace;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.setup-choice-tag.is-recommended {
    border-color: color-mix(in srgb, var(--accent-primary) 42%, transparent);
    color: var(--accent-primary);
    background: var(--accent-primary-dim);
}

.setup-choice-tag.is-simple {
    border-color: color-mix(in srgb, var(--success) 42%, transparent);
    color: var(--success);
    background: color-mix(in srgb, var(--success) 11%, transparent);
}

.setup-choice-tag.is-value {
    border-color: color-mix(in srgb, var(--warning) 42%, transparent);
    color: var(--warning);
    background: color-mix(in srgb, var(--warning) 11%, transparent);
}

.setup-choice-tag.is-good-value {
    border-color: color-mix(in srgb, var(--accent-secondary) 42%, transparent);
    color: var(--accent-secondary);
    background: color-mix(in srgb, var(--accent-secondary) 11%, transparent);
}

.setup-choice-notice {
    display: block;
    margin-top: 3px;
    padding-top: 9px;
    border-top: 1px solid color-mix(in srgb, var(--warning) 28%, transparent);
    color: var(--warning);
    font-size: 0.72rem;
    line-height: 1.45;
}

.setup-choice-notice[hidden] {
    display: none;
}

.setup-choice-check {
    position: absolute;
    top: 14px;
    right: 14px;
    display: grid;
    width: 30px;
    height: 30px;
    place-items: center;
    border: 1px solid var(--border-default);
    border-radius: 50%;
    color: transparent;
    background: var(--surface-panel-strong);
    transition: color var(--transition-fast), border-color var(--transition-fast), background var(--transition-fast);
}

.setup-choice.is-selected .setup-choice-check {
    border-color: var(--accent-primary);
    color: var(--text-inverse);
    background: var(--accent-primary);
}

.setup-actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-top: 42px;
    padding-top: 28px;
    border-top: 1px solid var(--border-subtle);
}

.setup-actions-end {
    justify-content: flex-end;
}

.setup-results {
    padding-top: 56px;
}

.setup-results-heading {
    margin-bottom: 30px;
}

.setup-summary {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px;
    margin-top: 24px;
}

.setup-summary span {
    padding: 8px 12px;
    border: 1px solid var(--border-default);
    border-radius: 999px;
    color: var(--text-secondary);
    background: var(--surface-soft);
    font: 500 0.74rem/1 'JetBrains Mono', monospace;
}

.setup-compatibility-notice {
    max-width: 620px;
    margin: 18px auto 0;
    padding: 10px 14px;
    border: 1px solid color-mix(in srgb, var(--warning) 34%, transparent);
    border-radius: var(--radius-md);
    color: var(--warning);
    background: color-mix(in srgb, var(--warning) 8%, transparent);
    font-size: 0.8rem;
    line-height: 1.5;
}

.setup-compatibility-notice[hidden] {
    display: none;
}

.requirements-section {
    padding-top: 34px;
}

.requirements-section-optional {
    margin-top: 36px;
    border-top: 1px solid var(--border-default);
}

.requirements-heading {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 24px;
    margin-bottom: 20px;
}

.requirements-heading .section-eyebrow {
    margin-bottom: 10px;
}

.requirements-heading h3 {
    margin: 0;
    color: var(--text-primary);
    font-size: 1.45rem;
}

.requirements-count {
    color: var(--text-muted);
    font: 500 0.75rem/1 'JetBrains Mono', monospace;
    text-transform: uppercase;
}

.requirements-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}

.requirement-card {
    display: grid;
    grid-template-columns: 132px 1fr;
    min-width: 0;
    overflow: hidden;
    border: 1px solid var(--card-border);
    border-radius: var(--radius-lg);
    background: var(--card-bg);
    box-shadow: var(--shadow-sm);
}

.requirement-card-art {
    display: grid;
    min-height: 178px;
    place-items: center;
    border-right: 1px solid var(--border-subtle);
    background:
        radial-gradient(circle at center, var(--accent-primary-dim), transparent 72%),
        var(--surface-soft);
}

.requirement-card-art img {
    width: 100%;
    height: 130px;
    padding: 14px;
    object-fit: contain;
    opacity: 0.74;
    filter: var(--blueprint-art-filter);
}

.requirement-card-body {
    min-width: 0;
    padding: 24px;
}

.requirement-type {
    display: inline-block;
    margin-bottom: 10px;
    color: var(--accent-primary);
    font: 600 0.67rem/1.2 'JetBrains Mono', monospace;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.requirement-type.is-optional {
    color: var(--warning);
}

.requirement-card h4 {
    margin: 0 0 8px;
    color: var(--text-primary);
    font-size: 1.05rem;
}

.requirement-card p {
    margin: 0;
    color: var(--text-secondary);
    font-size: 0.86rem;
    line-height: 1.65;
}

.requirement-link {
    display: inline-block;
    margin-top: 15px;
    color: var(--accent-primary);
    font-size: 0.8rem;
    font-weight: 600;
}

.requirement-details {
    margin-top: 16px;
    color: var(--text-secondary);
    font-size: 0.8rem;
}

.requirement-details summary {
    color: var(--accent-primary);
    cursor: pointer;
    font-weight: 600;
}

.requirement-details strong {
    display: block;
    margin-top: 16px;
    color: var(--text-primary);
    font-size: 0.78rem;
}

.requirement-details ul {
    margin: 8px 0 0;
    padding-left: 18px;
}

.requirement-details li {
    margin-top: 6px;
    line-height: 1.5;
}

.setup-result-note {
    margin-top: 40px;
    padding: 20px 22px;
    border: 1px solid var(--border-default);
    border-left: 3px solid var(--accent-primary);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    background: var(--surface-soft);
    font-size: 0.88rem;
    line-height: 1.65;
}

.setup-result-note strong {
    color: var(--text-primary);
}

@media (max-width: 900px) {
    .setup-stage {
        padding: 48px 32px;
    }

    .setup-choice-grid {
        grid-template-columns: 1fr;
    }

    .setup-choice-grid-two {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .setup-choice-grid-one {
        grid-template-columns: minmax(0, 1fr);
    }

    .setup-choice {
        min-height: 210px;
    }

    .setup-choice-grid:not(.setup-choice-grid-two) .setup-choice {
        display: grid;
        grid-template-columns: 180px 1fr;
        min-height: 150px;
    }

    .setup-choice-grid:not(.setup-choice-grid-two) .setup-choice-art {
        height: 100%;
        border-right: 1px solid var(--border-subtle);
        border-bottom: 0;
    }

    .requirements-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .setup-section {
        padding-top: 18px;
    }

    .setup-progress button {
        min-height: 58px;
        padding: 12px 6px;
    }

    .setup-progress strong {
        display: none;
    }

    .setup-progress span {
        width: 26px;
        height: 26px;
    }

    .setup-stage {
        min-height: 0;
        padding: 38px 18px 24px;
    }

    .setup-stage-heading {
        margin-bottom: 28px;
    }

    .setup-stage-heading p {
        font-size: 0.92rem;
    }

    .setup-choice-grid-two,
    .setup-choice-grid:not(.setup-choice-grid-two) {
        grid-template-columns: 1fr;
    }

    .setup-choice,
    .setup-choice-grid:not(.setup-choice-grid-two) .setup-choice {
        display: grid;
        grid-template-columns: 112px 1fr;
        min-height: 124px;
    }

    .setup-choice-art,
    .setup-choice-grid:not(.setup-choice-grid-two) .setup-choice-art {
        height: 100%;
        border-right: 1px solid var(--border-subtle);
        border-bottom: 0;
    }

    .setup-choice-art img {
        padding: 10px;
    }

    .setup-choice-copy {
        padding: 17px;
    }

    .setup-choice-check {
        top: 9px;
        right: 9px;
        width: 25px;
        height: 25px;
    }

    .setup-actions {
        margin-top: 28px;
        padding-top: 22px;
    }

    .setup-actions .btn {
        flex: 1;
        padding-right: 12px;
        padding-left: 12px;
    }

    .setup-actions-end .btn {
        flex: 0 1 auto;
    }

    .requirements-heading {
        align-items: flex-start;
    }

    .requirement-card {
        grid-template-columns: 92px 1fr;
    }

    .requirement-card-art {
        min-height: 150px;
    }

    .requirement-card-art img {
        height: 100px;
        padding: 8px;
    }

    .requirement-card-body {
        padding: 19px 16px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .setup-choice,
    .setup-stage.is-entering,
    .setup-stage.is-leaving {
        transition: none;
        animation: none;
    }
}