/* ==========================================================================
   FAQ Page Styles
   ========================================================================== */

/* Hero Section */
.hero-faq {
  position: relative;
  padding: var(--space-20) 0 var(--space-12);
  background: radial-gradient(
      circle at 20% 50%,
      rgba(39, 195, 255, 0.08),
      transparent 60%
    ),
    radial-gradient(circle at 100% 0%, rgba(140, 91, 255, 0.08), transparent 60%);
}

.hero-faq .hero-content {
  max-width: 50rem;
}

.hero-faq .hero-title {
  color: var(--color-primary);
  text-shadow: 0 0 20px rgba(39, 195, 255, 0.3);
}

.faq-search {
  position: relative;
  margin-top: var(--space-8);
  display: flex;
}

.faq-search .input {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border: 2px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
  background: rgba(11, 15, 36, 0.6);
  color: var(--color-text);
  font-size: var(--font-size-base);
  transition: all var(--transition-base);
}

.faq-search .input:focus {
  outline: none;
  border-color: var(--color-primary);
  background: rgba(11, 15, 36, 0.9);
  box-shadow: 0 0 12px rgba(39, 195, 255, 0.3);
}

/* FAQ Navigation Tabs */
.section-faq-nav {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(5, 7, 19, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border-subtle);
  padding: var(--space-4) 0;
}

.faq-nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  overflow-x: auto;
  padding-bottom: var(--space-2);
}

.faq-nav::-webkit-scrollbar {
  height: 4px;
}

.faq-nav::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.03);
}

.faq-nav::-webkit-scrollbar-thumb {
  background: rgba(39, 195, 255, 0.4);
  border-radius: 2px;
}

.faq-nav-button {
  flex-shrink: 0;
  padding: var(--space-2) var(--space-4);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-full);
  background: transparent;
  color: var(--color-text-soft);
  font-size: var(--font-size-sm);
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-base);
  white-space: nowrap;
}

.faq-nav-button:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.faq-nav-button.is-active {
  background: var(--color-primary-soft);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

/* FAQ Content Grid */
.section-faq-content {
  padding: var(--space-12) 0;
}

.faq-grid {
  display: grid;
  gap: var(--space-4);
}

@media (min-width: 768px) {
  .faq-grid {
    gap: var(--space-6);
  }
}

/* FAQ Item */
.faq-item {
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
  background: rgba(11, 15, 36, 0.5);
  overflow: hidden;
  transition: all var(--transition-base);
}

.faq-item:hover {
  border-color: var(--color-border-strong);
  background: rgba(11, 15, 36, 0.8);
}

.faq-item[data-category-hidden="true"] {
  display: none;
}

/* FAQ Toggle Button */
.faq-toggle {
  width: 100%;
  padding: var(--space-4) var(--space-5);
  border: none;
  background: transparent;
  color: var(--color-text);
  text-align: left;
  cursor: pointer;
  font-size: var(--font-size-base);
  font-weight: 500;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  transition: all var(--transition-base);
}

.faq-toggle:hover {
  color: var(--color-primary);
}

.faq-toggle:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: -2px;
}

.faq-toggle-title {
  flex: 1;
  text-align: left;
}

.faq-toggle-icon {
  flex-shrink: 0;
  width: 1.5rem;
  height: 1.5rem;
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.faq-toggle-icon::before {
  content: "";
  position: absolute;
  width: 1rem;
  height: 2px;
  background: currentColor;
  border-radius: 1px;
  transition: all var(--transition-base);
}

.faq-toggle-icon::after {
  content: "";
  position: absolute;
  width: 2px;
  height: 1rem;
  background: currentColor;
  border-radius: 1px;
  transition: all var(--transition-base);
}

.faq-toggle[aria-expanded="true"] .faq-toggle-icon::after {
  transform: scaleY(0);
}

/* FAQ Content */
.faq-content {
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: max-height var(--transition-base), opacity var(--transition-base);
  border-top: 1px solid var(--color-border-subtle);
}

.faq-toggle[aria-expanded="true"] ~ .faq-content {
  max-height: 2000px;
  opacity: 1;
}

.faq-content {
  padding: var(--space-4) var(--space-5) var(--space-5);
  color: var(--color-text-muted);
  line-height: var(--line-height-normal);
}

.faq-content p {
  margin-bottom: var(--space-3);
}

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

/* FAQ List */
.faq-list {
  list-style: none;
  padding: 0;
  margin: var(--space-3) 0;
}

.faq-list li {
  padding-left: var(--space-6);
  margin-bottom: var(--space-2);
  position: relative;
}

.faq-list li:before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-weight: bold;
}

.faq-list li:last-child {
  margin-bottom: 0;
}

.faq-content strong {
  color: var(--color-text);
  font-weight: 600;
}

.faq-content a {
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 500;
  transition: all var(--transition-base);
  border-bottom: 1px solid rgba(39, 195, 255, 0.3);
}

.faq-content a:hover {
  color: var(--color-accent-emerald);
  border-bottom-color: var(--color-accent-emerald);
}

/* FAQ CTA Section */
.section-faq-cta {
  padding: var(--space-12) 0;
  background: radial-gradient(
      circle at 0 50%,
      rgba(39, 195, 255, 0.1),
      transparent 60%
    ),
    radial-gradient(circle at 100% 50%, rgba(140, 91, 255, 0.1), transparent 60%);
}

.faq-cta-card {
  padding: var(--space-8) var(--space-6);
  border: 2px solid var(--color-primary-soft);
  border-radius: var(--radius-xl);
  background: rgba(39, 195, 255, 0.06);
  text-align: center;
  backdrop-filter: blur(10px);
}

.faq-cta-card h2 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2rem);
  color: var(--color-primary);
  margin-bottom: var(--space-3);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.faq-cta-card p {
  max-width: 40rem;
  margin: var(--space-3) auto;
  color: var(--color-text-muted);
}

.faq-cta-card .btn {
  margin-top: var(--space-4);
}

/* Search Filtering Utilities */
.faq-item.hidden-by-search {
  display: none;
}

/* Responsive Design */
@media (max-width: 768px) {
  .section-faq-nav {
    padding: var(--space-3) 0;
  }

  .faq-nav {
    gap: var(--space-1);
  }

  .faq-nav-button {
    padding: var(--space-1) var(--space-3);
    font-size: var(--font-size-xs);
  }

  .hero-faq {
    padding: var(--space-12) 0 var(--space-8);
  }

  .faq-search .input {
    padding: var(--space-2) var(--space-3);
    font-size: var(--font-size-sm);
  }

  .faq-toggle {
    padding: var(--space-3) var(--space-4);
  }

  .faq-content {
    padding: var(--space-3) var(--space-4) var(--space-4);
  }

  .faq-cta-card {
    padding: var(--space-6) var(--space-4);
  }

  .faq-cta-card h2 {
    font-size: 1.5rem;
  }
}

@media (max-width: 480px) {
  .faq-nav-button {
    padding: var(--space-1) var(--space-2);
    font-size: var(--font-size-xs);
  }

  .faq-toggle-icon {
    width: 1.25rem;
    height: 1.25rem;
  }

  .faq-content {
    padding: var(--space-3) var(--space-3) var(--space-3);
  }
}

/* Dark Mode Specific */
@media (prefers-color-scheme: dark) {
  .faq-search .input::placeholder {
    color: var(--color-text-soft);
  }
}

/* Animation Classes */
@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.faq-item {
  animation: slideDown 300ms ease-out;
}