/*
  AFG Repair-or-Replace Calculator v2 - Stylesheet
  Mobile-first, accessible, and protocol-compliant.
*/

:root {
    --afg-primary-color: #005f73;
    --afg-green: #2a9d8f;
    --afg-green-bg: #edf7f6;
    --afg-yellow: #e9c46a;
    --afg-yellow-bg: #fff9e8;
    --afg-red: #e76f51;
    --afg-red-bg: #fdf1ee;
    --afg-border-color: #dee2e6;
    --afg-text-color: #343a40;
    --afg-bg-color: #f8f9fa;
    --afg-font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

.afg-calculator-container {
    max-width: 700px;
    margin: 2em auto;
    padding: 1.5em;
    border: 1px solid var(--afg-border-color);
    border-radius: 8px;
    background-color: #fff;
    font-family: var(--afg-font-family);
    color: var(--afg-text-color);
}

.afg-form-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1em;
}

@media (min-width: 600px) {
    .afg-form-grid {
        grid-template-columns: 1fr 1fr;
    }
    .afg-form-group-full {
        grid-column: 1 / -1;
    }
}

.afg-form-group label {
    display: block;
    margin-bottom: 0.5em;
    font-weight: 600;
}

.afg-form-group select {
    width: 100%;
    padding: 0.75em;
    border: 1px solid var(--afg-border-color);
    border-radius: 4px;
    background-color: #fff;
    font-size: 1rem;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath fill='none' stroke='%23343a40' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M2 5l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.7em top 50%;
    background-size: 1em;
}

.afg-field-help {
    font-size: 0.85em;
    color: #6c757d;
    margin-top: 0.5em;
    display: block;
}

.afg-optional-details {
    margin-top: 1.5em;
    border: 1px solid var(--afg-border-color);
    border-radius: 4px;
    padding: 0.5em 1em;
}

.afg-optional-details summary {
    cursor: pointer;
    font-weight: 600;
    padding: 0.5em 0;
}

.afg-optional-details .afg-form-grid {
    margin-top: 1em;
}

.afg-form-actions {
    margin-top: 1.5em;
}

#afg-calculate-btn {
    width: 100%;
    padding: 1em;
    font-size: 1.1rem;
    font-weight: 700;
    color: #fff;
    background-color: var(--afg-primary-color);
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.2s;
}

#afg-calculate-btn:hover {
    background-color: #004553;
}

#afg-calculator-result {
    margin-top: 2em;
    animation: afg-fade-in 0.5s ease-in-out;
}

@keyframes afg-fade-in {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.afg-result-panel {
    padding: 1.5em;
    border-width: 3px;
    border-style: solid;
    border-radius: 8px;
}

.afg-result--green { background-color: var(--afg-green-bg); border-color: var(--afg-green); }
.afg-result--yellow { background-color: var(--afg-yellow-bg); border-color: var(--afg-yellow); }
.afg-result--red { background-color: var(--afg-red-bg); border-color: var(--afg-red); }

.afg-result-headline {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 0 0.5em 0;
}

.afg-result-explanation {
    margin: 0 0 1.5em 0;
    font-size: 1.1rem;
}

.afg-result-details ul {
    list-style-type: '✓ ';
    padding-left: 1.5em;
}

.afg-result-cta-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 1em;
    margin: 1.5em 0;
}

.afg-result-cta-btn {
    flex: 1;
    padding: 0.8em 1em;
    font-size: 1rem;
    text-align: center;
    text-decoration: none;
    border-radius: 4px;
    font-weight: 600;
    transition: all 0.2s;
}

.afg-cta-primary { background-color: var(--afg-green); color: #fff; }
.afg-cta-secondary { background-color: transparent; color: var(--afg-primary-color); border: 2px solid var(--afg-primary-color); }

.afg-lead-magnet {
    margin-top: 2em;
    padding: 1.5em;
    background-color: var(--afg-bg-color);
    border: 1px solid var(--afg-border-color);
    border-radius: 8px;
}

.afg-lead-magnet h4 { margin-top: 0; }
.afg-lead-magnet-form { display: flex; gap: 0.5em; margin-top: 1em; }
.afg-lead-magnet-form input { flex-grow: 1; padding: 0.75em; border: 1px solid var(--afg-border-color); border-radius: 4px; }
.afg-lead-magnet-form button { background-color: var(--afg-primary-color); color: #fff; border: none; padding: 0.75em 1em; border-radius: 4px; cursor: pointer; }

.afg-assumptions, .afg-safety-callout {
    margin-top: 1.5em;
    font-size: 0.9em;
    color: #6c757d;
}
.afg-assumptions summary { cursor: pointer; font-weight: bold; }