/* ═══════════════════════════════════════════════════════════════════
   TACOMA WATER HEATER LEADS — Frontend Styles
   Clean, conversion-optimized form wizard + page styling
   ═══════════════════════════════════════════════════════════════════ */

:root {
    --twhl-primary:     #1a5276;
    --twhl-primary-dk:  #0e3651;
    --twhl-accent:      #e67e22;
    --twhl-accent-dk:   #d35400;
    --twhl-danger:      #e74c3c;
    --twhl-success:     #27ae60;
    --twhl-bg:          #f7f9fc;
    --twhl-card-bg:     #ffffff;
    --twhl-text:        #2c3e50;
    --twhl-text-light:  #7f8c8d;
    --twhl-border:      #dce1e8;
    --twhl-radius:      10px;
    --twhl-shadow:      0 4px 24px rgba(0,0,0,0.08);
    --twhl-font:        'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
}

/* ─── Form Wrapper ──────────────────────────────────────────────── */
.twhl-form-wrapper {
    max-width: 640px;
    margin: 0 auto 2rem;
    padding: 2rem 2rem 1.5rem;
    background: var(--twhl-card-bg);
    border-radius: var(--twhl-radius);
    box-shadow: var(--twhl-shadow);
    border-top: 4px solid var(--twhl-accent);
    font-family: var(--twhl-font);
    color: var(--twhl-text);
}

.twhl-form-header {
    text-align: center;
    margin-bottom: 1.5rem;
}

.twhl-form-icon {
    font-size: 2.5rem;
    margin-bottom: 0.25rem;
}

.twhl-form-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--twhl-primary);
    margin: 0 0 0.35rem;
    line-height: 1.3;
}

.twhl-form-subtitle {
    font-size: 0.95rem;
    color: var(--twhl-text-light);
    margin: 0;
    line-height: 1.5;
}

/* ─── Progress Bar ──────────────────────────────────────────────── */
.twhl-progress {
    height: 6px;
    background: var(--twhl-border);
    border-radius: 3px;
    margin-bottom: 0.5rem;
    overflow: hidden;
}

.twhl-progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--twhl-accent), var(--twhl-accent-dk));
    border-radius: 3px;
    transition: width 0.4s ease;
}

.twhl-step-indicator {
    text-align: center;
    font-size: 0.8rem;
    color: var(--twhl-text-light);
    margin-bottom: 1.5rem;
    font-weight: 500;
}

/* ─── Steps ─────────────────────────────────────────────────────── */
.twhl-step {
    display: none;
    animation: twhlFadeIn 0.3s ease;
}

.twhl-step.active {
    display: block;
}

@keyframes twhlFadeIn {
    from { opacity: 0; transform: translateY(12px); }
    to   { opacity: 1; transform: translateY(0); }
}

.twhl-step-question {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--twhl-primary);
    margin: 0 0 1.25rem;
}

/* ─── Field Groups ──────────────────────────────────────────────── */
.twhl-field-group {
    margin-bottom: 1.25rem;
}

.twhl-field-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--twhl-text);
    margin-bottom: 0.4rem;
}

.twhl-field-group input[type="text"],
.twhl-field-group input[type="tel"],
.twhl-field-group input[type="email"],
.twhl-field-group input[type="url"],
.twhl-field-group select,
.twhl-field-group textarea {
    width: 100%;
    padding: 0.7rem 0.9rem;
    border: 2px solid var(--twhl-border);
    border-radius: 8px;
    font-size: 1rem;
    font-family: var(--twhl-font);
    color: var(--twhl-text);
    background: var(--twhl-bg);
    transition: border-color 0.2s, box-shadow 0.2s;
    box-sizing: border-box;
}

.twhl-field-group input:focus,
.twhl-field-group select:focus,
.twhl-field-group textarea:focus {
    outline: none;
    border-color: var(--twhl-accent);
    box-shadow: 0 0 0 3px rgba(230, 126, 34, 0.15);
}

.twhl-field-group input.twhl-error,
.twhl-field-group select.twhl-error {
    border-color: var(--twhl-danger);
    box-shadow: 0 0 0 3px rgba(231, 76, 60, 0.12);
}

.twhl-field-error {
    display: block;
    font-size: 0.8rem;
    color: var(--twhl-danger);
    margin-top: 0.3rem;
    min-height: 1.1rem;
}

.twhl-field-row {
    display: flex;
    gap: 1rem;
}

.twhl-half {
    flex: 1;
}

/* ─── Option Cards (clickable choices) ──────────────────────────── */
.twhl-option-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.75rem;
}

.twhl-option-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 1rem 0.5rem;
    background: var(--twhl-bg);
    border: 2px solid var(--twhl-border);
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: center;
    font-family: var(--twhl-font);
    color: var(--twhl-text);
}

.twhl-option-card:hover {
    border-color: var(--twhl-accent);
    background: #fff8f0;
    transform: translateY(-1px);
}

.twhl-option-card.selected {
    border-color: var(--twhl-accent);
    background: #fff3e0;
    box-shadow: 0 0 0 3px rgba(230, 126, 34, 0.2);
}

.twhl-option-icon {
    font-size: 1.75rem;
    margin-bottom: 0.35rem;
}

.twhl-option-cards-sm .twhl-option-icon {
    font-size: 1.4rem;
}

.twhl-option-label {
    font-size: 0.9rem;
    font-weight: 600;
}

.twhl-option-desc {
    font-size: 0.75rem;
    color: var(--twhl-text-light);
    margin-top: 0.15rem;
}

/* ─── Checkbox ──────────────────────────────────────────────────── */
.twhl-checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 0.6rem;
    cursor: pointer;
    font-size: 0.9rem;
    line-height: 1.45;
}

.twhl-checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    margin-top: 2px;
    accent-color: var(--twhl-accent);
    flex-shrink: 0;
}

.twhl-consent {
    margin-bottom: 1.25rem;
    padding: 1rem;
    background: var(--twhl-bg);
    border-radius: 8px;
    font-size: 0.82rem;
    color: var(--twhl-text-light);
    line-height: 1.5;
}

.twhl-consent a {
    color: var(--twhl-primary);
}

/* ─── Buttons ───────────────────────────────────────────────────── */
.twhl-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.8rem 2rem;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    font-family: var(--twhl-font);
    cursor: pointer;
    transition: all 0.2s;
}

.twhl-btn-next,
.twhl-btn-submit {
    background: var(--twhl-accent);
    color: #fff;
    width: 100%;
}

.twhl-btn-next:hover,
.twhl-btn-submit:hover {
    background: var(--twhl-accent-dk);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(230, 126, 34, 0.35);
}

.twhl-btn-back {
    background: transparent;
    color: var(--twhl-text-light);
    border: 2px solid var(--twhl-border);
    padding: 0.8rem 1.5rem;
}

.twhl-btn-back:hover {
    background: var(--twhl-bg);
    color: var(--twhl-text);
}

.twhl-btn-row {
    display: flex;
    gap: 0.75rem;
    margin-top: 0.5rem;
}

.twhl-btn-row .twhl-btn-next,
.twhl-btn-row .twhl-btn-submit {
    flex: 1;
}

.twhl-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.twhl-btn-loading::after {
    content: '';
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255,255,255,0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: twhlSpin 0.6s linear infinite;
    margin-left: 0.6rem;
}

@keyframes twhlSpin {
    to { transform: rotate(360deg); }
}

/* ─── Success State ─────────────────────────────────────────────── */
.twhl-success {
    text-align: center;
    padding: 2rem 1rem;
    animation: twhlFadeIn 0.4s ease;
}

.twhl-success-icon {
    font-size: 3rem;
    margin-bottom: 0.75rem;
}

.twhl-success h3 {
    font-size: 1.4rem;
    color: var(--twhl-success);
    margin: 0 0 0.75rem;
}

.twhl-success p {
    color: var(--twhl-text-light);
    margin: 0 0 0.75rem;
}

.twhl-success-note {
    font-size: 0.82rem;
    color: var(--twhl-text-light);
}

/* ─── Phone CTA ─────────────────────────────────────────────────── */
.twhl-phone-cta {
    display: inline-block;
    padding: 0.7rem 2rem;
    background: var(--twhl-primary);
    color: #fff !important;
    border-radius: 8px;
    font-size: 1.25rem;
    font-weight: 700;
    text-decoration: none;
    letter-spacing: 0.5px;
    transition: background 0.2s;
}

.twhl-phone-cta:hover {
    background: var(--twhl-primary-dk);
    color: #fff !important;
    text-decoration: none;
}

.twhl-phone-cta-lg {
    font-size: 1.4rem;
    padding: 0.9rem 2.5rem;
    margin: 0.5rem 0 1rem;
}

.twhl-phone-strip {
    text-align: center;
    padding: 1rem 0 0;
    margin-top: 1rem;
    border-top: 1px solid var(--twhl-border);
    font-size: 0.9rem;
    color: var(--twhl-text-light);
}

.twhl-phone-strip a {
    font-weight: 700;
    color: var(--twhl-primary);
    text-decoration: none;
    margin-left: 0.3rem;
}

.twhl-phone-strip a:hover {
    text-decoration: underline;
}

/* ─── Page Content Styling ──────────────────────────────────────── */
.twhl-related-services {
    margin-top: 2rem;
    padding: 1.5rem;
    background: var(--twhl-bg);
    border-radius: var(--twhl-radius);
    border-left: 4px solid var(--twhl-accent);
}

.twhl-related-services h3 {
    font-size: 1rem;
    margin: 0 0 0.75rem;
    color: var(--twhl-primary);
}

.twhl-related-services ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.twhl-related-services li a {
    display: inline-block;
    padding: 0.4rem 1rem;
    background: var(--twhl-card-bg);
    border: 1px solid var(--twhl-border);
    border-radius: 6px;
    color: var(--twhl-primary);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    transition: all 0.2s;
}

.twhl-related-services li a:hover {
    background: var(--twhl-primary);
    color: #fff;
    border-color: var(--twhl-primary);
}

.twhl-cta-block {
    text-align: center;
    margin-top: 2rem;
    padding: 2rem;
    background: var(--twhl-primary);
    border-radius: var(--twhl-radius);
    color: #fff;
}

.twhl-cta-block h3 {
    color: #fff;
    margin: 0 0 0.5rem;
    font-size: 1.25rem;
}

.twhl-cta-block p {
    color: rgba(255,255,255,0.85);
    margin: 0 0 1rem;
}

.twhl-cta-block .twhl-phone-cta {
    background: var(--twhl-accent);
}

.twhl-cta-block .twhl-phone-cta:hover {
    background: var(--twhl-accent-dk);
}

/* ─── Location Grid ─────────────────────────────────────────────── */
.twhl-location-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1rem;
    margin: 1.5rem 0;
}

.twhl-location-card {
    padding: 1.25rem;
    background: var(--twhl-card-bg);
    border: 1px solid var(--twhl-border);
    border-radius: var(--twhl-radius);
    transition: box-shadow 0.2s;
}

.twhl-location-card:hover {
    box-shadow: var(--twhl-shadow);
}

.twhl-location-card h3 {
    font-size: 1rem;
    margin: 0 0 0.5rem;
}

.twhl-location-card h3 a {
    color: var(--twhl-primary);
    text-decoration: none;
}

.twhl-location-card h3 a:hover {
    color: var(--twhl-accent);
}

.twhl-location-card p {
    font-size: 0.85rem;
    color: var(--twhl-text-light);
    margin: 0;
    line-height: 1.5;
}

/* ─── Responsive ────────────────────────────────────────────────── */
@media (max-width: 640px) {
    .twhl-form-wrapper {
        margin: 0 0.5rem 1.5rem;
        padding: 1.25rem;
    }

    .twhl-form-title {
        font-size: 1.25rem;
    }

    .twhl-option-cards {
        grid-template-columns: 1fr;
    }

    .twhl-field-row {
        flex-direction: column;
        gap: 0;
    }

    .twhl-btn-row {
        flex-direction: column;
    }

    .twhl-btn-back {
        order: 2;
    }
}

/* ─── Product Model Cards ───────────────────────────────────────── */
.twhl-models-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
    margin: 1.5rem 0 2rem;
}

.twhl-model-card {
    background: var(--twhl-card-bg, #fff);
    border: 1px solid var(--twhl-border, #dce1e8);
    border-radius: 12px;
    padding: 1.5rem;
    transition: box-shadow 0.2s, transform 0.2s;
}

.twhl-model-card:hover {
    box-shadow: 0 8px 28px rgba(0,0,0,0.1);
    transform: translateY(-2px);
}

.twhl-model-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--twhl-primary, #1a5276);
    margin: 0 0 0.35rem;
}

.twhl-model-tag {
    display: inline-block;
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: #fff;
    background: var(--twhl-accent, #e67e22);
    padding: 3px 10px;
    border-radius: 50px;
    margin-bottom: 0.75rem;
}

.twhl-model-card p {
    font-size: 0.9rem;
    line-height: 1.65;
    margin: 0 0 0.75rem;
}

@media (max-width: 700px) {
    .twhl-models-grid {
        grid-template-columns: 1fr;
    }
}