:root {
    --km-primary: #001b3a;
    --km-primary-light: #f3f5fa;
    --km-accent: #c9a24b;
    --km-text: #1f2430;
    --km-muted: #6b7280;
    --km-border: #d4d7e2;
    --km-error: #b3261e;
    --km-radius: 10px;
    --km-shadow: 0 10px 25px rgba(0,0,0,0.06);
    --km-font: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

#km-iht-calculator {
    font-family: var(--km-font);
    max-width: 780px;
    margin: 2rem auto;
}

.km-iht-card {
    background: #ffffff;
    border-radius: var(--km-radius);
    border: 1px solid var(--km-border);
    padding: 2rem;
    box-shadow: var(--km-shadow);
}

.km-iht-title {
    margin-top: 0;
    color: var(--km-primary);
}

.km-iht-intro {
    color: var(--km-muted);
    margin-bottom: 1.5rem;
}

.km-iht-subtitle {
    margin-top: 1.5rem;
    color: var(--km-primary);
}

.km-iht-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1rem 1.5rem;
    margin-bottom: 1rem;
}

.km-iht-field label {
    font-weight: 600;
    margin-bottom: 0.25rem;
    display: block;
    color: var(--km-text);
}

.km-iht-field input,
.km-iht-field select {
    width: 100%;
    padding: 0.5rem;
    border-radius: 6px;
    border: 1px solid var(--km-border);
    box-sizing: border-box;
}

.km-iht-button {
    margin-top: 1rem;
    background: var(--km-primary);
    color: #fff;
    padding: 0.7rem 1.6rem;
    border-radius: 999px;
    border: none;
    cursor: pointer;
    font-weight: 600;
}

.km-iht-button:hover {
    background: var(--km-accent);
}

.km-iht-results {
    margin-top: 2rem;
    border-top: 1px solid var(--km-border);
    padding-top: 1.5rem;
}

.km-iht-summary-item {
    background: var(--km-primary-light);
    padding: 0.75rem;
    border-radius: 8px;
    margin-bottom: 0.75rem;
}

.km-iht-summary-value--tax {
    color: var(--km-error);
}

.km-iht-leadbox {
    background: #f3f5fa;
    padding: 1.5rem;
    border-radius: 10px;
    margin-top: 2rem;
    border: 1px solid var(--km-border);
}

.km-iht-leadbox h4 {
    margin-top: 0;
    color: var(--km-primary);
}

.km-iht-email-input {
    width: 100%;
    padding: 0.7rem;
    border-radius: 6px;
    border: 1px solid var(--km-border);
    margin-top: 0.5rem;
    margin-bottom: 1rem;
    box-sizing: border-box;
}

.km-iht-email-button {
    background: var(--km-accent);
    color: #fff;
    padding: 0.7rem 1.4rem;
    border-radius: 6px;
    border: none;
    cursor: pointer;
    font-weight: 600;
    text-decoration: none;
    display: inline-block;
}

.km-iht-email-button:hover {
    background: var(--km-primary);
}

.km-iht-privacy {
    font-size: 0.8rem;
    color: var(--km-muted);
    margin-top: 0.5rem;
}

.km-iht-privacy a {
    color: var(--km-primary);
    text-decoration: underline;
}

.km-iht-cta {
    text-align: center;
    margin-top: 2rem;
    padding: 1.5rem;
    border-radius: 10px;
    background: #001b3a;
    color: #fff;
}

.km-iht-cta-button {
    display: inline-block;
    margin-top: 1rem;
    background: var(--km-accent);
    color: #fff;
    padding: 0.8rem 1.6rem;
    border-radius: 999px;
    text-decoration: none;
    font-weight: 600;
}

.km-iht-cta-button:hover {
    background: #fff;
    color: #001b3a;
}

/* Collapsible Disclaimer */
.km-iht-disclaimer-wrapper {
    margin-top: 2rem;
    border-top: 1px solid var(--km-border);
    padding-top: 1rem;
}

.km-iht-disclaimer-toggle {
    background: none;
    border: none;
    color: var(--km-primary);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    padding: 0;
    display: flex;
    align-items: center;
    gap: 6px;
}

.km-iht-disclaimer-toggle:hover {
    text-decoration: underline;
}

.km-iht-disclaimer-content {
    margin-top: 1rem;
    font-size: 0.75rem;
    line-height: 1.4;
    color: var(--km-muted);
    display: none;
}

.km-iht-disclaimer-content ol {
    padding-left: 1.2rem;
    margin-top: 0.5rem;
    margin-bottom: 0.75rem;
}

.km-iht-disclaimer-content li {
    margin-bottom: 0.25rem;
}

.km-iht-disclaimer-toggle.open .arrow {
    transform: rotate(90deg);
}

/* Make CTA heading white */
.km-iht-cta h4 {
    color: #ffffff !important;
}