/* ============================================
   FAQ Page CSS - Appliance Repair Knoxville TN
   Brand: Reliable Knoxville Appliance Experts
   Palette: navy, teal, amber (matches site)
   Layout: Sticky Major Category Sidebar + Structured Content
   ============================================ */

/* --- Two-Column Layout --- */
.faq-hero-subtitle {
  color: var(--color-amber-light);
  font-family: var(--font-heading);
  font-size: clamp(1.08rem, 2.4vw, 1.56rem);
  font-weight: 600;
  margin-bottom: var(--space-md);
}

.footer .faq-footer-heading {
  color: var(--color-white);
  font-size: 0.9375rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-lg);
}

#faq-toc,
#faq-contact {
  scroll-margin-top: var(--faq-anchor-offset, 110px);
}

.faq-layout a:focus-visible,
.faq-item summary:focus-visible {
  outline: 3px solid var(--color-teal);
  outline-offset: 4px;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .faq-layout * { transition: none !important; }
}

.faq-layout {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: var(--space-2xl);
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
  position: relative;
  align-items: start;
}

/* --- Sticky Sidebar --- */
.faq-sidebar {
  position: sticky;
  top: calc(var(--faq-header-height, 70px) + 20px);
  min-width: 0;
}
.faq-sidebar__nav {
  max-height: none;
  overflow: visible;
  padding: var(--space-xl) 0;
}

/* Sidebar Outer Card */
.faq-sidebar__card {
  background: var(--color-white);
  border: 1px solid rgba(10,37,64,0.08);
  border-radius: var(--border-radius-lg);
  box-shadow: 0 4px 20px rgba(10,37,64,0.05);
  padding: var(--space-lg);
}
.faq-sidebar__header {
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid var(--color-light-gray);
}
.faq-sidebar__tag {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-teal);
  background: rgba(26,138,125,0.08);
  padding: 2px 8px;
  border-radius: 12px;
  margin-bottom: 6px;
}
.faq-sidebar__title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-navy);
  margin: 0;
}
.faq-sidebar__title svg {
  color: var(--color-teal);
  flex-shrink: 0;
}
.faq-sidebar__meta {
  font-family: var(--font-body);
  font-size: 0.78rem;
  color: var(--color-text-light);
  margin: 4px 0 0;
}

/* Category Cards List */
.faq-cat-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

/* Individual Category Card */
.faq-cat-card {
  border: 1px solid rgba(10,37,64,0.06);
  border-radius: var(--border-radius);
  background: #F7F8FA;
  padding: 10px 12px;
  transition: all 0.2s ease;
  border-left: 3px solid transparent;
}
.faq-cat-card:hover {
  border-color: rgba(26,138,125,0.3);
  border-left-color: rgba(26,138,125,0.4);
  background: var(--color-white);
  box-shadow: 0 3px 10px rgba(10,37,64,0.04);
}
.faq-cat-card.active {
  border-color: rgba(26,138,125,0.4);
  border-left-color: var(--color-teal);
  border-left-width: 4px;
  background: var(--color-white);
  box-shadow: 0 4px 14px rgba(26,138,125,0.12);
}

.faq-cat-card__link {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: inherit;
}
.faq-cat-card__icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: rgba(26,138,125,0.09);
  color: var(--color-teal);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all 0.2s ease;
}
.faq-cat-card:hover .faq-cat-card__icon,
.faq-cat-card.active .faq-cat-card__icon {
  background: linear-gradient(135deg, var(--color-teal), var(--color-amber));
  color: var(--color-white);
  transform: scale(1.04);
}
.faq-cat-card__icon svg {
  width: 17px;
  height: 17px;
}

.faq-cat-card__info {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-width: 0;
}
.faq-cat-card__title {
  font-family: var(--font-heading);
  font-size: 0.84rem;
  font-weight: 700;
  color: var(--color-navy);
  line-height: 1.3;
  transition: color 0.2s ease;
}
.faq-cat-card:hover .faq-cat-card__title,
.faq-cat-card.active .faq-cat-card__title {
  color: var(--color-teal);
}
/* Sidebar CTA */
.faq-sidebar__cta {
  margin-top: var(--space-md);
  padding: 12px 14px;
  background: linear-gradient(135deg, rgba(26,138,125,0.08), rgba(212,149,42,0.08));
  border-radius: var(--border-radius);
  border: 1px solid rgba(26,138,125,0.18);
  text-align: center;
}
.faq-sidebar__cta-badge {
  font-family: var(--font-heading);
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--color-teal);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 2px;
}
.faq-sidebar__cta-text {
  font-family: var(--font-body);
  font-size: 0.76rem;
  color: var(--color-text-light);
  margin: 0 0 6px 0;
}
.faq-sidebar__phone {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-teal);
  text-decoration: none;
  transition: color 0.2s ease;
}
.faq-sidebar__phone:hover {
  color: var(--color-amber);
}
.faq-sidebar__phone svg {
  color: var(--color-teal);
}
.faq-sidebar__cta-sub {
  display: block;
  font-size: 0.68rem;
  color: var(--color-text-light);
  margin-top: 3px;
}

/* --- Main FAQ Content Area --- */
.faq-content {
  min-width: 0;
  padding: var(--space-xl) 0;
}

/* --- Major Category Section --- */
.faq-major-section {
  scroll-margin-top: var(--faq-anchor-offset, 110px);
  margin-bottom: var(--space-4xl);
}

/* Simple major category heading */
.faq-major-header {
  margin-bottom: var(--space-2xl);
}
.faq-major-title {
  font-family: var(--font-heading);
  font-size: clamp(1.35rem, 2.5vw, 1.85rem);
  font-weight: 700;
  color: var(--color-navy);
  margin: 0 0 var(--space-xs);
  line-height: 1.25;
}
.faq-major-description {
  font-family: var(--font-body);
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--color-text-light);
  margin: 0;
  max-width: 760px;
}

/* --- Sub-Category Sections --- */
.faq-sub-category {
  scroll-margin-top: var(--faq-anchor-offset, 110px);
  margin-bottom: var(--space-3xl);
  padding-bottom: var(--space-2xl);
  border-bottom: 1px solid var(--color-light-gray);
}
.faq-sub-category:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}
.faq-sub-header {
  margin-bottom: var(--space-xl);
}
.faq-sub-header__top {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-xs);
}
.faq-sub-accent {
  width: 28px;
  height: 3px;
  background: linear-gradient(90deg, var(--color-teal), var(--color-amber));
  border-radius: 2px;
  flex-shrink: 0;
}
.faq-sub-title-row {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  flex-wrap: wrap;
}
.faq-sub-title-row h3 {
  font-family: var(--font-heading);
  font-size: clamp(1.15rem, 2vw, 1.4rem);
  font-weight: 700;
  color: var(--color-navy);
  margin: 0;
}
.faq-sub-desc {
  font-family: var(--font-body);
  font-size: 0.92rem;
  color: var(--color-text-light);
  margin: 6px 0 0 0;
  line-height: 1.55;
  padding-left: 36px;
}

/* --- FAQ Accordion --- */
.faq-list {
  max-width: 100%;
  margin: 0 auto;
}
.faq-item {
  border: 1px solid var(--color-light-gray);
  border-radius: var(--border-radius);
  margin-bottom: var(--space-md);
  background: var(--color-white);
  overflow: hidden;
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
}
.faq-item:hover {
  border-color: rgba(26,138,125,0.3);
  box-shadow: var(--shadow-sm);
}
.faq-item[open] {
  border-color: var(--color-teal);
  box-shadow: var(--shadow-md);
}
.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  padding: var(--space-lg) var(--space-xl);
  cursor: pointer;
  font-family: var(--font-heading);
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--color-navy);
  line-height: 1.4;
  list-style: none;
  -webkit-user-select: none;
  user-select: none;
  transition: color var(--transition-fast), background var(--transition-fast);
  min-height: 48px;
}
.faq-item summary::-webkit-details-marker {
  display: none;
}
.faq-item summary::marker {
  display: none;
  content: '';
}
.faq-item summary:hover {
  color: var(--color-teal);
  background: rgba(26,138,125,0.03);
}
.faq-item[open] summary {
  color: var(--color-teal);
  border-bottom: 1px solid var(--color-light-gray);
  background: rgba(26,138,125,0.03);
}
.faq-item summary .faq-icon {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(26,138,125,0.1), rgba(212,149,42,0.1));
  transition: transform var(--transition-base), background var(--transition-base);
}
.faq-item summary .faq-icon svg {
  width: 14px;
  height: 14px;
  color: var(--color-teal);
  transition: transform var(--transition-base);
}
.faq-item[open] summary .faq-icon {
  background: linear-gradient(135deg, var(--color-teal), var(--color-amber));
}
.faq-item[open] summary .faq-icon svg {
  transform: rotate(180deg);
  color: var(--color-white);
}

.faq-answer {
  padding: var(--space-lg) var(--space-xl) var(--space-xl);
}
.faq-answer p {
  font-family: var(--font-body);
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--color-text);
  margin-bottom: var(--space-sm);
}
.faq-answer p:last-child {
  margin-bottom: 0;
}
.faq-answer a {
  color: var(--color-teal);
  text-decoration: none;
  border-bottom: 1px solid rgba(26,138,125,0.3);
  transition: color var(--transition-fast), border-color var(--transition-fast);
  font-weight: 500;
}
.faq-answer a:hover {
  color: var(--color-amber);
  border-color: var(--color-amber);
}

/* --- Sub-Category CTA (soft) --- */
.faq-section__cta {
  max-width: 100%;
  margin: var(--space-xl) auto 0;
  padding: var(--space-md) var(--space-xl);
  background: linear-gradient(135deg, rgba(26,138,125,0.05), rgba(212,149,42,0.05));
  border-radius: var(--border-radius);
  border: 1px solid rgba(26,138,125,0.12);
  text-align: center;
}
.faq-section__cta p {
  font-family: var(--font-body);
  font-size: 0.92rem;
  line-height: 1.6;
  color: var(--color-text);
}
.faq-section__cta a {
  color: var(--color-teal);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid rgba(26,138,125,0.3);
  transition: color var(--transition-fast), border-color var(--transition-fast);
}
.faq-section__cta a:hover {
  color: var(--color-amber);
  border-color: var(--color-amber);
}

/* --- FAQ Final CTA --- */
.faq-final-cta {
  padding: var(--space-4xl) 0;
  background: linear-gradient(135deg, var(--color-navy) 0%, var(--color-navy-dark) 100%);
  text-align: center;
  color: var(--color-white);
}
.faq-final-cta h2 {
  font-family: var(--font-heading);
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: var(--space-md);
}
.faq-final-cta p {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.7;
  color: rgba(255,255,255,0.85);
  max-width: 680px;
  margin: 0 auto var(--space-md);
}
.faq-final-cta__info {
  max-width: 600px;
  margin: var(--space-xl) auto 0;
  padding: var(--space-xl);
  background: rgba(255,255,255,0.08);
  border-radius: var(--border-radius-lg);
  border: 1px solid rgba(255,255,255,0.12);
}
.faq-final-cta__info ul {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-sm) var(--space-xl);
  text-align: left;
}
.faq-final-cta__info li {
  font-family: var(--font-body);
  font-size: 0.92rem;
  color: rgba(255,255,255,0.8);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}
.faq-final-cta__info li svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  color: var(--color-amber-light);
}
.faq-final-cta .cta-phone {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: clamp(1.3rem, 3vw, 1.8rem);
  font-weight: 700;
  color: var(--color-amber-light);
  text-decoration: none;
  margin: var(--space-lg) 0;
  transition: color var(--transition-fast);
}
.faq-final-cta .cta-phone:hover {
  color: var(--color-white);
}
.faq-final-cta .btn {
  margin-top: var(--space-md);
}

/* --- Responsive Breakpoints --- */
@media (max-width: 1100px) {
  .faq-layout {
    grid-template-columns: 280px 1fr;
    gap: var(--space-xl);
  }
}
@media (max-width: 860px) {
  .faq-layout {
    grid-template-columns: 1fr;
    gap: 0;
    padding: 0 var(--space-md);
  }
  .faq-sidebar {
    position: sticky;
    top: var(--faq-header-height, 65px);
    z-index: 100;
    background: var(--color-white);
    border-bottom: 2px solid var(--color-light-gray);
    box-shadow: 0 4px 12px rgba(10,37,64,0.06);
    margin: 0 calc(-1 * var(--space-md));
    padding: 0 var(--space-md);
  }
  .faq-sidebar__nav {
    position: static;
    max-height: none;
    padding: 8px 0;
    overflow-y: visible;
  }
  .faq-sidebar__card {
    border: none;
    box-shadow: none;
    padding: 0;
    background: transparent;
  }
  .faq-sidebar__header,
  .faq-sidebar__cta {
    display: none;
  }
  .faq-cat-list {
    flex-direction: row;
    flex-wrap: wrap;
    overflow: visible;
    gap: 6px;
    padding-bottom: 4px;
  }
  .faq-cat-card {
    flex: 1 1 auto;
    padding: 6px 12px;
    border-radius: 20px;
    border-left: 1px solid rgba(10,37,64,0.08);
  }
  .faq-cat-card.active {
    border-left-width: 1px;
    border-color: var(--color-teal);
    background: rgba(26,138,125,0.08);
  }
  .faq-cat-card__icon {
    width: 22px;
    height: 22px;
    border-radius: 6px;
  }
  .faq-cat-card__icon svg {
    width: 13px;
    height: 13px;
  }
  .faq-cat-card__title {
    font-size: 0.78rem;
  }
  .faq-cat-card__link {
    min-height: 44px;
  }
  .faq-sub-desc {
    padding-left: 0;
  }
}
@media (max-width: 480px) {
  .faq-sub-title-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }
  .faq-item summary {
    padding: var(--space-md) var(--space-lg);
    font-size: 0.94rem;
  }
  .faq-answer {
    padding: var(--space-md) var(--space-lg) var(--space-lg);
  }
  .faq-final-cta__info ul {
    grid-template-columns: 1fr;
  }
}