:root {
    --bg-dark: #0f172a;
    --card-bg: #ffffff;
    --primary: #0f172a;
    /* Navy */
    --accent: #d97706;
    /* Amber-600 */
    --accent-hover: #b45309;
    --text-main: #1e293b;
    --text-muted: #64748b;
    --green: #10b981;
    --red: #ef4444;
    --border: #e2e8f0;
    --radius: 16px;
    --transition: 0.2s ease;
}

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

body {
    font-family: 'Outfit', sans-serif;
    background-color: var(--bg-dark);
    background-image: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    color: var(--text-main);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.app-container {
    width: 100%;
    max-width: 480px;
}

/* Header */
.app-header {
    text-align: center;
    margin-bottom: 30px;
    color: white;
}

.badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.1);
    color: #ffd700;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: 1px;
    border: 1px solid rgba(255, 215, 0, 0.3);
}

.app-header h1 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 10px;
    line-height: 1.2;
}

.app-header p {
    color: #94a3b8;
    font-size: 1rem;
    line-height: 1.5;
}

/* Card */
.calculator-card {
    background: var(--card-bg);
    border-radius: 24px;
    padding: 32px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

/* Inputs */
.input-section {
    margin-bottom: 30px;
}

.input-group {
    margin-bottom: 24px;
}

.input-group label {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: 10px;
}

.money-input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    margin-bottom: 12px;
}

.currency {
    position: absolute;
    left: 16px;
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-main);
}

#premium-input {
    width: 100%;
    padding: 12px 12px 12px 35px;
    font-size: 2rem;
    font-weight: 700;
    border: 2px solid var(--border);
    border-radius: 12px;
    color: var(--text-main);
    transition: var(--transition);
}

#premium-input:focus {
    outline: none;
    border-color: var(--accent);
}

input[type=range] {
    width: 100%;
    accent-color: var(--accent);
    cursor: pointer;
}

/* Tax Toggles */
.tax-toggles {
    display: flex;
    gap: 8px;
    background: var(--border);
    padding: 4px;
    border-radius: 12px;
}

.tax-option {
    flex: 1;
    position: relative;
}

.tax-option input {
    display: none;
}

.tax-option span {
    display: block;
    text-align: center;
    padding: 10px;
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    color: var(--text-muted);
}

.tax-option input:checked+span {
    background: white;
    color: var(--primary);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

/* Comparison Display */
.comparison-display {
    display: flex;
    gap: 12px;
    margin-bottom: 30px;
}

.side {
    flex: 1;
    background: #f8fafc;
    padding: 16px;
    border-radius: 16px;
    text-align: center;
    border: 2px solid transparent;
    transition: var(--transition);
}

.side.personal-side {
    border-color: #fca5a5;
    /* Red tint */
    background: #fef2f2;
}

.side.business-side {
    border-color: #86efac;
    /* Green tint */
    background: #f0fdf4;
}

.side .icon {
    font-size: 2rem;
    margin-bottom: 8px;
}

.side .label {
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    margin-bottom: 8px;
    color: var(--text-muted);
}

.cost-breakdown {
    font-size: 0.9rem;
    font-weight: 500;
    line-height: 1.4;
}

.cost-breakdown span {
    font-weight: 700;
    color: var(--text-main);
}

/* Savings Result */
.savings-result {
    text-align: center;
    background: var(--bg-dark);
    padding: 24px;
    border-radius: 16px;
    color: white;
    margin-bottom: 30px;
    position: relative;
    overflow: hidden;
}

.savings-label {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: #94a3b8;
    margin-bottom: 8px;
}

.savings-amount {
    font-size: 3rem;
    font-weight: 700;
    color: #fbbf24;
    /* Amber-400 */
    text-shadow: 0 0 20px rgba(251, 191, 36, 0.3);
}

.savings-sub {
    font-size: 0.9rem;
    color: #cbd5e1;
    margin-top: 4px;
}

/* CTA Form */
.cta-section {
    text-align: center;
    border-top: 2px solid var(--border);
    padding-top: 24px;
}

.cta-section p {
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--text-main);
}

.form-row {
    margin-bottom: 12px;
}

.form-row input {
    width: 100%;
    padding: 14px;
    border: 2px solid var(--border);
    border-radius: 12px;
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition);
}

.form-row input:focus {
    outline: none;
    border-color: var(--accent);
}

.btn-primary {
    width: 100%;
    padding: 16px;
    border: none;
    border-radius: 12px;
    background: var(--accent);
    color: white;
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
}

.btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(217, 119, 6, 0.4);
}

.trust-note {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 12px;
    margin-bottom: 0 !important;
}

/* success state */
.hidden {
    display: none;
}

/* FAQ */
.faq-section {
    margin-top: 50px;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.faq-section h2 {
    color: white;
    text-align: center;
    margin-bottom: 30px;
    font-size: 1.5rem;
}

.faq-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.faq-card {
    background: rgba(255, 255, 255, 0.05);
    /* Glass effect */
    padding: 24px;
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.faq-card h3 {
    color: white;
    font-size: 1.1rem;
    margin-bottom: 12px;
}

.faq-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
}

@media (max-width: 600px) {
    .faq-grid {
        grid-template-columns: 1fr;
    }
}