/* ==========================================================================
   ÇANKAYA DEKORASYON & İÇ MİMARLIK — FAQ CSS (SIK SORULAN SORULAR)
   Monokrom Çağdaş Mimari:
     Menü / Header: #121417
     1. Kısım (Hero Banner): #1E2229
     2. Kısım (SSS & Akordeon): #F8F9FA
     Footer: #121417
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Kısım: Hero Banner (#4A5C6A)
   -------------------------------------------------------------------------- */
.page-hero-banner {
  background-color: var(--c-4A5C6A);
  color: var(--c-CCD0CF);
  padding: 140px 0 70px 0;
  text-align: center;
  border-bottom: 1px solid var(--c-253745);
}

.breadcrumb-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-size: 0.875rem;
  color: var(--c-9BA8AB);
  margin-bottom: 16px;
}

.breadcrumb-nav a {
  color: var(--c-CCD0CF);
  transition: color var(--transition);
}

.breadcrumb-nav a:hover {
  color: var(--c-9BA8AB);
}

.page-hero-title {
  color: var(--c-CCD0CF);
  font-size: clamp(2.2rem, 4vw, 3.2rem);
  font-weight: 800;
  margin-bottom: 14px;
  letter-spacing: -0.02em;
}

.page-hero-desc {
  font-size: 1.1rem;
  color: var(--c-CCD0CF);
  max-width: 680px;
  margin: 0 auto;
  line-height: 1.7;
}

/* --------------------------------------------------------------------------
   2. Kısım: FAQ Ana Bölümü (#CCD0CF — Ferah Stüdyo Beyazı)
   -------------------------------------------------------------------------- */
.faq-section {
  padding: 76px 0 48px 0;
  background-color: var(--c-CCD0CF);
}

.faq-wrapper {
  max-width: 900px;
  margin: 0 auto;
}

/* Arama Çubuğu & Kategori Sekmeleri */
.faq-toolbar {
  margin-bottom: 42px;
}

.faq-search-box {
  position: relative;
  margin-bottom: 22px;
}

.faq-search-icon {
  position: absolute;
  left: 22px;
  top: 50%;
  transform: translateY(-50%);
  width: 20px;
  height: 20px;
  color: var(--c-4A5C6A);
  pointer-events: none;
  transition: color var(--transition);
}

.faq-search-input {
  width: 100%;
  padding: 18px 52px 18px 56px;
  font-size: 1rem;
  font-family: inherit;
  color: var(--c-06141B);
  background-color: #E6E9EC;
  border: 1.5px solid #C4CBD2;
  border-radius: var(--radius-md);
  transition: all var(--transition);
  outline: none;
}

.faq-search-input::placeholder {
  color: var(--c-4A5C6A);
  opacity: 0.75;
}

.faq-search-input:hover {
  background-color: #DFE4E8;
  border-color: var(--c-4A5C6A);
}

.faq-search-input:focus {
  background-color: var(--c-CCD0CF);
  border-color: var(--c-06141B);
  box-shadow: 0 6px 20px rgba(18, 20, 23, 0.1);
}

.faq-search-input:focus ~ .faq-search-icon {
  color: var(--c-06141B);
}

.faq-search-clear {
  position: absolute;
  right: 18px;
  top: 50%;
  transform: translateY(-50%);
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background-color: var(--c-253745);
  color: var(--c-CCD0CF);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0;
  line-height: 0;
  cursor: pointer;
  transition: all var(--transition);
  opacity: 0;
  pointer-events: none;
  border: none;
}

.faq-search-clear::before,
.faq-search-clear::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 12px;
  height: 1.8px;
  background-color: currentColor;
  border-radius: 2px;
}

.faq-search-clear::before {
  transform: translate(-50%, -50%) rotate(45deg);
}

.faq-search-clear::after {
  transform: translate(-50%, -50%) rotate(-45deg);
}

.faq-search-clear.is-visible {
  opacity: 1;
  pointer-events: auto;
}

.faq-search-clear:hover {
  background-color: var(--c-06141B);
  color: var(--c-CCD0CF);
}

/* Kategori Sekmeleri (Projeler sayfasındaki filtre butonlarıyla uyumlu) */
.faq-filter-tabs {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.faq-tab-btn {
  padding: 10px 20px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--c-06141B);
  background-color: #E6E9EC;
  border: 1.5px solid #C4CBD2;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.faq-tab-btn:hover {
  background-color: var(--c-253745);
  color: var(--c-CCD0CF);
  border-color: var(--c-253745);
}

.faq-tab-btn.active {
  background-color: var(--c-06141B);
  color: var(--c-CCD0CF);
  border-color: var(--c-06141B);
  box-shadow: 0 6px 16px rgba(18, 20, 23, 0.22);
}

.faq-tab-count {
  font-size: 0.75rem;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  background-color: var(--c-253745);
  color: var(--c-CCD0CF);
  font-weight: 700;
  transition: all var(--transition);
}

.faq-tab-btn:hover .faq-tab-count {
  background-color: var(--c-06141B);
  color: var(--c-CCD0CF);
}

.faq-tab-btn.active .faq-tab-count {
  background-color: var(--c-253745);
  color: var(--c-CCD0CF);
}

/* Akordeon Öğeleri:
   - Kapalı sorular: Yumuşak mimari taş grisi (#E6E9EC) zemin, antrasit başlık, titanyum rozet
   - Açık soru (.is-open): Diğer sayfalardaki lüks grafit/antrasit kart (#1E2229 / #1A1E24) */
.faq-accordion-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.faq-item {
  background-color: #E6E9EC;
  border: 1.5px solid #C8CFD6;
  border-radius: var(--radius-md);
  transition: background-color var(--transition), border-color var(--transition), box-shadow var(--transition), transform var(--transition);
  overflow: hidden;
}

.faq-item:hover {
  background-color: #DCE1E6;
  border-color: var(--c-4A5C6A);
  box-shadow: 0 6px 18px rgba(18, 20, 23, 0.08);
}

.faq-item.is-open {
  background-color: var(--c-4A5C6A);
  border-color: var(--c-06141B);
  box-shadow: 0 12px 30px rgba(18, 20, 23, 0.24);
}

.faq-question-btn {
  width: 100%;
  padding: 22px 26px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  text-align: left;
  background: transparent;
  border: none;
  cursor: pointer;
  gap: 20px;
  transition: background-color var(--transition);
}

.faq-item.is-open .faq-question-btn {
  background-color: var(--c-11212D);
}

.faq-question-title-wrap {
  display: flex;
  flex-direction: column;
  gap: 7px;
  flex: 1;
}

.faq-category-badge {
  display: inline-block;
  align-self: flex-start;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--c-CCD0CF);
  background-color: var(--c-253745);
  border: 1px solid var(--c-4A5C6A);
  padding: 3px 10px;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}

.faq-item.is-open .faq-category-badge {
  background-color: var(--c-253745);
  color: var(--c-CCD0CF);
  border-color: var(--c-9BA8AB);
}

.faq-question-text {
  font-size: 1.08rem;
  font-weight: 700;
  color: var(--c-06141B);
  line-height: 1.45;
  transition: color var(--transition);
}

.faq-item.is-open .faq-question-text {
  color: var(--c-CCD0CF);
}

.faq-toggle-icon {
  position: relative;
  width: 36px;
  height: 36px;
  flex-shrink: 0;
  border-radius: 50%;
  background-color: var(--c-253745);
  color: var(--c-CCD0CF);
  border: 1px solid var(--c-4A5C6A);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0;
  line-height: 0;
  transition: transform 0.3s ease, background-color var(--transition), color var(--transition), border-color var(--transition);
}

.faq-toggle-icon::before,
.faq-toggle-icon::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  background-color: currentColor;
  border-radius: 2px;
  transform: translate(-50%, -50%);
}

.faq-toggle-icon::before {
  width: 14px;
  height: 2px;
}

.faq-toggle-icon::after {
  width: 2px;
  height: 14px;
}

.faq-item:hover .faq-toggle-icon {
  background-color: var(--c-06141B);
  border-color: var(--c-06141B);
  color: var(--c-CCD0CF);
}

.faq-item.is-open .faq-toggle-icon {
  transform: rotate(45deg);
  background-color: var(--c-CCD0CF);
  color: var(--c-06141B);
  border-color: var(--c-CCD0CF);
}

/* Cevap Gövdesi */
.faq-answer-panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s cubic-bezier(0.16, 1, 0.3, 1), padding 0.35s ease;
  padding: 0 26px;
}

.faq-item.is-open .faq-answer-panel {
  max-height: 1000px;
  padding: 0 26px 24px 26px;
}

.faq-answer-content {
  padding-top: 16px;
  border-top: 1px solid var(--c-253745);
  color: var(--c-CCD0CF);
  font-size: 0.98rem;
  line-height: 1.75;
}

.faq-answer-content strong {
  color: #FFFFFF;
  font-weight: 700;
}

.faq-answer-content p {
  margin-bottom: 12px;
  color: var(--c-CCD0CF);
}

.faq-answer-content p:last-child {
  margin-bottom: 0;
}

.faq-answer-content ul {
  margin: 10px 0 14px 20px;
  list-style-type: disc;
}

.faq-answer-content li {
  margin-bottom: 6px;
  color: var(--c-CCD0CF);
}

/* Sonuç Bulunamadı Bildirimi */
.faq-no-results {
  display: none;
  text-align: center;
  padding: 56px 24px;
  background-color: #E6E9EC;
  border: 1.5px dashed var(--c-4A5C6A);
  border-radius: var(--radius-md);
  margin-top: 24px;
  color: var(--c-06141B);
}

.faq-no-results.is-visible {
  display: block;
}

.faq-no-results-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto 16px auto;
  color: var(--c-4A5C6A);
}

.faq-no-results h3 {
  font-size: 1.3rem;
  margin-bottom: 8px;
  color: var(--c-06141B);
}

.faq-no-results p {
  color: var(--c-4A5C6A);
  margin-bottom: 24px;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

.faq-no-results .btn-dark {
  background-color: var(--c-06141B);
  color: var(--c-CCD0CF);
  border: 1px solid var(--c-06141B);
}

.faq-no-results .btn-dark:hover {
  background-color: var(--c-253745);
  color: var(--c-CCD0CF);
  border-color: var(--c-253745);
}

/* Danışmanlık & Hızlı İletişim CTA Kutusu (Projeler ve İletişim kartlarıyla uyumlu) */
.faq-cta-card {
  margin-top: 52px;
  background-color: var(--c-11212D);
  color: var(--c-CCD0CF);
  border-radius: var(--radius-md);
  padding: 42px 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  border: 1px solid var(--c-253745);
  box-shadow: 0 14px 36px rgba(18, 20, 23, 0.22);
}

.faq-cta-text h3 {
  color: var(--c-CCD0CF);
  font-size: 1.45rem;
  font-weight: 800;
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}

.faq-cta-text p {
  color: var(--c-9BA8AB);
  font-size: 0.96rem;
  max-width: 480px;
  line-height: 1.65;
}

.faq-cta-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
}

.faq-cta-actions .btn-outline-light {
  background-color: transparent;
  color: var(--c-CCD0CF);
  border: 1.5px solid var(--c-CCD0CF);
}

.faq-cta-actions .btn-outline-light:hover {
  background-color: var(--c-CCD0CF);
  color: var(--c-06141B);
}

.faq-cta-actions .btn-whatsapp {
  background-color: var(--c-CCD0CF);
  color: var(--c-06141B);
  border: 1.5px solid var(--c-CCD0CF);
  font-weight: 700;
}

.faq-cta-actions .btn-whatsapp:hover {
  background-color: var(--c-9BA8AB);
  border-color: var(--c-9BA8AB);
  color: var(--c-06141B);
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(18, 20, 23, 0.35);
}

/* Duyarlı Tasarım */
@media (max-width: 900px) {
  .faq-cta-card {
    flex-direction: column;
    text-align: center;
    padding: 36px 24px;
  }

  .faq-cta-actions {
    flex-direction: column;
    width: 100%;
  }

  .faq-cta-actions .btn {
    width: 100%;
  }

  .faq-question-btn {
    padding: 18px 20px;
  }

  .faq-question-text {
    font-size: 1rem;
  }

  .faq-item.is-open .faq-answer-panel {
    padding: 0 20px 20px 20px;
  }
}

@media (max-width: 600px) {
  .page-hero-banner {
    padding: 120px 0 50px 0;
  }

  .faq-section {
    padding: 50px 0 90px 0;
  }

  .faq-filter-tabs {
    gap: 8px;
  }

  .faq-tab-btn {
    font-size: 0.825rem;
    padding: 8px 14px;
  }

  .faq-search-input {
    padding: 14px 44px 14px 46px;
    font-size: 0.9375rem;
  }

  .faq-toggle-icon {
    width: 30px;
    height: 30px;
    font-size: 0;
  }

  .faq-toggle-icon::before {
    width: 12px;
  }

  .faq-toggle-icon::after {
    height: 12px;
  }
}