.main-content {
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 12px 24px;
}

.container,
.income-distribution-layout,
.main-content>.card.wide {
    width: 100%;
    max-width: 960px;
    box-sizing: border-box;
    margin-left: auto;
    margin-right: auto;
}

.container {
    margin-top: 0;
}

.eyebrow {
    font-size: 13px;
    font-weight: 700;
    letter-spacing: .08em;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 8px;
}

h1 {
    font-size: clamp(34px, 5vw, 52px);
    line-height: 1.05;
    letter-spacing: -.04em;
    margin: 0 0 14px;
}

.intro {
    max-width: 720px;
    font-size: 18px;
    line-height: 1.5;
    color: var(--muted);
    margin: 0;
}

.income-distribution-layout {
    display: grid;
    grid-template-columns:
        minmax(0, 1fr) minmax(0, 1fr);
    gap: 20px;
    margin-top: 26px;
}

.card {
    width: 100%;
    min-width: 0;
    box-sizing: border-box;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 18px;
    padding: 24px;
}

.card h2 {
    margin: 0 0 8px;
    font-size: 20px;
    line-height: 1.25;
    letter-spacing: -.02em;
}

.card p {
    color: var(--muted);
    margin: 0 0 16px;
    line-height: 1.5;
}

.main-content>.card.wide {
    margin-top: 20px;
}

.assumptions {
    margin-top: 4px;
}

.assumption {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 11px 0;
    border-bottom: 1px solid var(--border);
}

.assumption:last-child {
    border-bottom: 0;
}

.assumption span:first-child {
    color: var(--muted);
}

.assumption strong {
    font-weight: 700;
    text-align: right;
}

.calculator {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 280px;
    column-gap: 48px;
    row-gap: 0;
    align-items: start;
}

.calculator > h2,
.calculator > p {
    grid-column: 1 / -1;
}

.calculator > h2 {
    margin-bottom: 8px;
}

.calculator > p {
    margin-bottom: 24px;
}

.calculator-price {
    grid-column: 1;
    grid-row: 3;
    width: 100%;
    margin-top: 8px;
    text-align: left;
}

.calculator-label {
    color: #64748b;
    font-size: .72rem;
    font-weight: 700;
    letter-spacing: .08em;
    text-transform: uppercase;
}

.calculator-price-value {
    margin-top: 7px;
    color: #0f172a;
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 800;
    letter-spacing: -.04em;
    line-height: 1;
}

.calculator-slider {
    grid-column: 1;
    grid-row: 4;
    width: 100%;
    margin-top: 26px;
}

.calculator-slider input[type="range"] {
    display: block;
    width: 100%;
    height: 6px;
    margin: 0;
    padding: 0;
    accent-color: #4f46e5;
    cursor: pointer;
}

.calculator-slider-labels {
    display: flex;
    justify-content: space-between;
    gap: 10px;
    margin-top: 8px;
    color: #94a3b8;
    font-size: .7rem;
}

.calculator-result {
    grid-column: 1;
    grid-row: 5;
    width: 100%;
    box-sizing: border-box;
    margin-top: 24px;
    padding: 18px 20px;
    border-radius: 14px;
    background: #f8fafc;
    text-align: left;
}

.calculator-result-label {
    color: #64748b;
    font-size: .72rem;
    font-weight: 500;
    letter-spacing: .08em;
    text-transform: uppercase;
}

.calculator-result-value {
    margin-top: 6px;
    color: #0f172a;
    font-size: 1.25rem;
    font-weight: 700;
    line-height: 1.1;
}

.calculator-result-note {
    margin-top: 7px;
    color: #64748b;
    font-size: .78rem;
    line-height: 1.4;
}

.income-chart {
    grid-column: 2;
    grid-row: 3 / span 3;
    width: 100%;
    min-width: 0;
    margin-top: 4px;
}

.income-chart-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 12px;
}

.income-chart-title {
    color: #0f172a;
    font-size: .95rem;
    font-weight: 700;
}

.income-chart-subtitle {
    margin-top: 3px;
    color: #64748b;
    font-size: .75rem;
    line-height: 1.35;
}

.income-chart-percentile {
    flex-shrink: 0;
    padding: 6px 10px;
    border-radius: 999px;
    background: #eef2ff;
    color: #4338ca;
    font-size: .78rem;
    font-weight: 800;
}

.income-chart-container {
    width: 220px;
    max-width: 100%;
    margin: 0 auto;
}

.income-chart-container svg {
    display: block;
    width: 220px;
    height: 420px;
}

.calculator-segment {
    grid-column: 1 / -1;
    grid-row: 6;
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    min-width: 0;
    box-sizing: border-box;
    gap: 18px;
    margin-top: 24px;
    padding: 15px 18px;
    border-radius: 14px;
    background: #eef2ff;
}

.calculator-segment-label {
    color: #64748b;
    font-size: .7rem;
    font-weight: 700;
    letter-spacing: .08em;
    text-transform: uppercase;
}

.calculator-segment-value {
    margin-top: 3px;
    color: #312e81;
    font-size: 1.15rem;
    font-weight: 800;
}

.calculator-segment-description {
    max-width: 320px;
    color: #475569;
    font-size: .78rem;
    line-height: 1.35;
    text-align: right;
}

.result {
    width: 100%;
    box-sizing: border-box;
    margin-top: 18px;
    padding: 20px;
    border-radius: 14px;
    background: var(--soft);
}

.result-label {
    color: var(--muted);
    font-size: 14px;
    margin-bottom: 4px;
}

.result-value {
    font-size: clamp(30px, 5vw, 44px);
    line-height: 1.1;
    font-weight: 750;
    letter-spacing: -.035em;
}

.result-note {
    margin-top: 8px;
    color: var(--muted);
    font-size: 14px;
}

.formula {
    width: 100%;
    box-sizing: border-box;
    margin-top: 18px;
    padding: 18px;
    border-radius: 12px;
    background: #111827;
    color: white;
    overflow-x: auto;
}

.formula-label {
    color: #9ca3af;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: .08em;
    margin-bottom: 8px;
}

.formula-code {
    font-family:
        ui-monospace,
        SFMono-Regular,
        Menlo,
        Monaco,
        Consolas,
        monospace;
    font-size: 16px;
    white-space: nowrap;
}

.steps {
    display: grid;
    grid-template-columns:
        repeat(4, minmax(0, 1fr));
    gap: 14px;
    width: 100%;
    margin-top: 18px;
}

.step {
    min-width: 0;
    box-sizing: border-box;
    padding: 18px;
    border: 1px solid var(--border);
    border-radius: 14px;
}

.step-number {
    font-size: 12px;
    color: var(--muted);
    font-weight: 700;
    margin-bottom: 7px;
}

.step h3 {
    font-size: 16px;
    margin: 0 0 6px;
}

.step p {
    margin: 0;
    font-size: 14px;
    color: var(--muted);
}

.percentiles {
    display: grid;
    grid-template-columns:
        repeat(4, minmax(0, 1fr));
    gap: 10px;
    width: 100%;
    margin-top: 18px;
}

.percentile {
    min-width: 0;
    box-sizing: border-box;
    padding: 16px;
    border: 1px solid var(--border);
    border-radius: 14px;
}

.percentile-label {
    font-size: 13px;
    color: var(--muted);
    margin-bottom: 4px;
}

.percentile-value {
    font-size: 22px;
    font-weight: 750;
}

.percentile-description {
    margin-top: 4px;
    color: var(--muted);
    font-size: 13px;
    line-height: 1.4;
}

.notice {
    border-left: 3px solid var(--accent);
    padding: 4px 0 4px 18px;
    color: var(--muted);
}

.important {
    width: 100%;
    box-sizing: border-box;
    padding: 16px;
    border-radius: 14px;
    background: var(--soft);
    margin-top: 18px;
    color: var(--muted);
    line-height: 1.5;
}

footer {
    width: 100%;
    box-sizing: border-box;
    padding: 24px 0 40px;
    border-top: 1px solid var(--border);
    color: var(--muted);
    font-size: 13px;
}

@media (max-width: 800px) {
    .main-content {
        padding-left: 20px;
        padding-right: 20px;
    }

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

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

    .calculator {
        grid-template-columns: minmax(0, 1fr);
        column-gap: 0;
    }

    .calculator > h2,
    .calculator > p,
    .calculator-price,
    .calculator-slider,
    .calculator-result,
    .income-chart,
    .calculator-segment {
        grid-column: 1;
        grid-row: auto;
    }

    .income-chart {
        margin-top: 30px;
    }

    .income-chart-container {
        margin: 0 auto;
    }
}

@media (max-width: 700px) {
    .main-content {
        padding-left: 10px;
        padding-right: 10px;
    }

    .container,
    .income-distribution-layout,
    .main-content>.card.wide {
        width: 100%;
        max-width: 100%;
    }

    .income-distribution-layout {
        grid-template-columns: minmax(0, 1fr);
        gap: 16px;
        margin-top: 22px;
    }

    .main-content>.card.wide {
        margin-top: 16px;
    }

    .card {
        padding: 20px;
    }

    .calculator {
        display: block;
    }

    .calculator-price {
        margin-top: 22px;
    }

    .calculator-slider {
        margin-top: 24px;
    }

    .calculator-result {
        margin-top: 18px;
    }

    .income-chart {
        margin-top: 28px;
    }

    .income-chart-header {
        align-items: flex-start;
        flex-direction: column;
        gap: 8px;
    }

    .income-chart-percentile {
        align-self: flex-start;
    }

    .calculator-segment {
        align-items: flex-start;
        flex-direction: column;
        gap: 7px;
        margin-top: 18px;
    }

    .calculator-segment-description {
        max-width: none;
        text-align: left;
    }

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

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

@media (max-width: 420px) {
    .main-content {
        padding-left: 8px;
        padding-right: 8px;
    }

    .card {
        padding: 17px;
        border-radius: 15px;
    }

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

    .calculator-price-value {
        font-size: 1.4rem;
    }

    .calculator-result-value {
        font-size: 1.5rem;
    }

    .calculator-segment {
        padding: 14px 16px;
    }
}