* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Government/ONS color scheme - clean and authoritative */
    --primary: #1d70b8;
    --primary-dark: #003078;
    --text: #0b0c0c;
    --text-secondary: #505a5f;
    --border: #b1b4b6;
    --light-bg: #f3f2f1;
    --white: #ffffff;
    --highlight: #f47738;
    --success: #00703c;
    --shadow: rgba(11, 12, 12, 0.1);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
    background: #f8f8f8;
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
    padding: 0;
}

.container {
    max-width: 960px;
    margin: 0 auto;
    background: var(--white);
    box-shadow: 0 2px 4px var(--shadow);
}

header {
    background: var(--primary-dark);
    color: var(--white);
    padding: 20px 30px;
    border-bottom: 4px solid var(--highlight);
}

h1 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 5px;
    letter-spacing: -0.5px;
}

.tagline {
    font-size: 1rem;
    opacity: 0.95;
    font-weight: 400;
}

main {
    padding: 40px 30px;
}

.intro-box {
    background: var(--light-bg);
    border-left: 4px solid var(--primary);
    padding: 20px 25px;
    margin-bottom: 35px;
}

.content-section {
    background: var(--white);
    padding: 25px;
    margin-bottom: 35px;
    border: 1px solid var(--border);
}

.content-section h2 {
    font-size: 1.4rem;
    margin-bottom: 15px;
    color: var(--text);
    font-weight: 700;
}

.content-section p {
    margin-bottom: 12px;
    line-height: 1.7;
    color: var(--text);
}

.hook {
    font-size: 1.1rem;
    line-height: 1.7;
    color: var(--text);
    font-weight: 400;
}

.highlight {
    color: var(--primary-dark);
    font-weight: 600;
}

.calculator-form {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.form-section {
    background: var(--white);
    padding: 25px;
    border: 1px solid var(--border);
    border-radius: 0;
}

.unpaid-section {
    background: #fff7f0;
    border-left: 4px solid var(--highlight);
}

.form-section h2 {
    font-size: 1.3rem;
    margin-bottom: 20px;
    color: var(--text);
    font-weight: 700;
    border-bottom: 2px solid var(--border);
    padding-bottom: 10px;
}

.input-group {
    margin-bottom: 20px;
}

.input-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text);
    font-size: 0.95rem;
}

.input-group input,
.input-group select {
    width: 100%;
    padding: 10px 12px;
    font-size: 1rem;
    border: 2px solid var(--border);
    border-radius: 0;
    transition: border-color 0.2s;
    font-family: inherit;
}

.input-group input:focus,
.input-group select:focus {
    outline: 3px solid var(--primary);
    outline-offset: 0;
    border-color: var(--text);
}

.input-with-prefix {
    display: flex;
    align-items: center;
    gap: 5px;
}

.input-with-prefix input {
    flex: 1;
}

.prefix, .suffix {
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.hint {
    display: block;
    margin-top: 5px;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.hidden {
    display: none !important;
}

.calculate-btn {
    width: 100%;
    padding: 15px;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--white);
    background: var(--success);
    border: none;
    border-radius: 0;
    cursor: pointer;
    transition: background 0.2s;
    margin-top: 10px;
}

.calculate-btn:hover {
    background: #005a30;
}

.calculate-btn:focus {
    outline: 3px solid var(--primary);
    outline-offset: 3px;
}

.results {
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.comparison-box {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 20px;
    margin-bottom: 35px;
    align-items: center;
}

.comparison-card {
    padding: 25px;
    border: 2px solid var(--border);
    background: var(--white);
}

.comparison-card.lie {
    background: var(--light-bg);
}

.comparison-card.truth {
    background: #fff7f0;
    border: 2px solid var(--highlight);
    border-left: 6px solid var(--highlight);
}

.card-header {
    margin-bottom: 15px;
}

.card-header h3 {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
    font-weight: 700;
}

.big-number {
    font-size: 2.5rem;
    font-weight: 700;
    line-height: 1;
    margin: 10px 0;
    color: var(--text);
}

.truth .big-number {
    color: var(--primary-dark);
}

.subtitle {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.vs-divider {
    font-weight: 700;
    font-size: 1.2rem;
    color: var(--text-secondary);
    text-align: center;
}

.impact-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
    margin-bottom: 35px;
}

.stat-card {
    background: var(--white);
    padding: 20px;
    border: 1px solid var(--border);
    border-left: 4px solid var(--primary);
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 5px;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.3px;
    font-weight: 600;
}

.reality-check {
    background: var(--light-bg);
    border-left: 4px solid var(--primary);
    padding: 20px 25px;
    margin-bottom: 35px;
}

.reality-check h3 {
    margin-bottom: 12px;
    font-size: 1.1rem;
    color: var(--text);
}

.reality-check strong {
    color: var(--primary-dark);
    font-weight: 700;
}

.time-cost-section {
    background: #fff7f0;
    border-left: 4px solid var(--highlight);
    padding: 25px;
    margin-bottom: 35px;
}

.time-cost-section h3 {
    margin-bottom: 10px;
    font-size: 1.2rem;
    color: var(--text);
}

.time-cost-intro {
    margin-bottom: 20px;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.time-cost-calculator {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 25px;
    flex-wrap: wrap;
}

.time-cost-calculator .input-with-prefix {
    flex: 0 0 auto;
    min-width: 150px;
}

.time-cost-calculator .input-with-prefix input {
    width: 120px;
    padding: 12px;
    font-size: 1.1rem;
    border: 2px solid var(--border);
    font-weight: 600;
}

.time-cost-calculator .equals {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-secondary);
}

.time-cost-result {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.work-hours-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-dark);
    line-height: 1;
}

.work-hours-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: 5px;
}

.time-cost-examples {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
    padding: 20px;
    background: var(--white);
    border: 1px solid var(--border);
}

.example-item {
    font-size: 0.95rem;
    color: var(--text);
}

.example-item strong {
    color: var(--primary-dark);
    font-weight: 600;
}

.example-item span {
    color: var(--highlight);
    font-weight: 700;
}

.share-section {
    background: var(--white);
    padding: 25px;
    border: 1px solid var(--border);
    margin-bottom: 25px;
}

.share-section h3 {
    margin-bottom: 15px;
    font-size: 1rem;
    font-weight: 700;
}

.share-buttons {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.share-btn {
    flex: 1;
    min-width: 140px;
    padding: 10px 15px;
    font-size: 0.9rem;
    font-weight: 600;
    border: 2px solid var(--border);
    background: var(--white);
    color: var(--text);
    cursor: pointer;
    transition: all 0.2s;
}

.share-btn:hover {
    border-color: var(--primary);
    background: var(--light-bg);
}

.share-btn:focus {
    outline: 3px solid var(--primary);
    outline-offset: 0;
}

.recalculate-btn {
    width: 100%;
    padding: 12px;
    font-size: 1rem;
    font-weight: 600;
    color: var(--primary);
    background: var(--white);
    border: 2px solid var(--primary);
    cursor: pointer;
    transition: all 0.2s;
}

.recalculate-btn:hover {
    background: var(--primary);
    color: var(--white);
}

.faq-section {
    background: var(--light-bg);
    padding: 30px;
    margin-top: 40px;
    border-top: 3px solid var(--border);
}

.faq-section h2 {
    font-size: 1.6rem;
    margin-bottom: 25px;
    color: var(--text);
    font-weight: 700;
}

.faq-item {
    background: var(--white);
    padding: 20px;
    margin-bottom: 15px;
    border-left: 4px solid var(--primary);
}

.faq-item h3 {
    font-size: 1.1rem;
    margin-bottom: 10px;
    color: var(--primary-dark);
    font-weight: 700;
}

.faq-item p {
    line-height: 1.7;
    color: var(--text);
}

footer {
    background: var(--light-bg);
    padding: 25px 30px;
    border-top: 1px solid var(--border);
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.disclaimer {
    margin-bottom: 12px;
    line-height: 1.5;
}

.cta {
    font-weight: 600;
    color: var(--text);
    font-size: 0.95rem;
}

.methodology {
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px solid var(--border);
}

.methodology ul {
    list-style-type: disc;
}

.methodology a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 500;
    border-bottom: 1px solid transparent;
    transition: border-color 0.2s;
}

.methodology a:hover {
    color: var(--primary-dark);
    border-bottom-color: var(--primary-dark);
}

.methodology-link {
    color: var(--primary);
    text-decoration: underline;
    font-weight: 600;
}

.methodology-link:hover {
    color: var(--primary-dark);
}

@media (max-width: 768px) {
    body {
        padding: 0;
    }

    h1 {
        font-size: 1.6rem;
    }

    .comparison-box {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .vs-divider {
        transform: none;
        padding: 10px 0;
    }

    .big-number {
        font-size: 2rem;
    }

    .share-buttons {
        flex-direction: column;
    }

    .share-btn {
        width: 100%;
    }

    main {
        padding: 25px 20px;
    }

    header {
        padding: 15px 20px;
    }

    .time-cost-calculator {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }

    .time-cost-calculator .equals {
        display: none;
    }

    .time-cost-examples {
        grid-template-columns: 1fr;
    }

    .work-hours-value {
        font-size: 1.5rem;
    }
}