/* ============================================================
   FAQ PAGE — DT Malware Safe
   ============================================================ */

.faq-hero {
  padding-block: var(--space-16) var(--space-12);
  text-align: center;
  background: radial-gradient(ellipse 80% 50% at 50% -10%, rgba(37,99,235,0.06) 0%, transparent 80%);
}

.faq-search-wrapper {
  max-width: 540px;
  margin-inline: auto;
  margin-top: var(--space-6);
  position: relative;
}

.faq-search-input {
  width: 100%;
  padding: var(--space-4) var(--space-5) var(--space-4) var(--space-12);
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-lg);
  font-size: 1.0625rem;
  color: var(--text);
  box-shadow: var(--shadow-sm);
  transition: all var(--dur-fast) var(--ease);
}

.faq-search-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: var(--shadow-md), 0 0 0 4px rgba(37,99,235,0.12);
}

.faq-search-icon {
  position: absolute;
  left: var(--space-5);
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  width: 20px;
  height: 20px;
  pointer-events: none;
}

/* ── Layout ── */
.faq-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: var(--space-10);
  align-items: start;
  margin-bottom: var(--space-16);
}

/* ── Sidebar Categories ── */
.faq-categories {
  position: sticky;
  top: 100px;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.faq-category-btn {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: 0.875rem 1.25rem;
  background: transparent;
  border: none;
  border-radius: var(--radius);
  font-family: var(--font-heading);
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-align: left;
  cursor: pointer;
  transition: all var(--dur) var(--ease);
}

.faq-category-btn:hover {
  background: var(--primary-light);
  color: var(--primary);
}

.faq-category-btn.active {
  background: var(--primary);
  color: #fff;
  box-shadow: var(--shadow-blue);
}

.faq-category-icon {
  width: 18px;
  height: 18px;
}

/* ── FAQ Items Container ── */
.faq-groups {
  display: flex;
  flex-direction: column;
  gap: var(--space-12);
}

.faq-group {
  scroll-margin-top: 120px;
  animation: faqFadeIn var(--dur-slow) var(--ease) forwards;
}

.faq-group-title {
  font-size: 1.5rem;
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-2);
  border-bottom: 2px solid var(--border);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--text);
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.faq-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-xs);
  transition: all var(--dur) var(--ease);
}

.faq-item:hover {
  border-color: var(--border-strong);
  box-shadow: var(--shadow-sm);
  transform: translateY(-1px);
}

.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-5) var(--space-6);
  font-family: var(--font-heading);
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
  list-style: none;
  transition: background var(--dur-fast);
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: -2px;
}

.faq-chevron {
  width: 20px;
  height: 20px;
  color: var(--text-muted);
  transition: transform var(--dur) var(--ease);
  flex-shrink: 0;
}

.faq-item[open] {
  border-color: var(--primary);
  box-shadow: var(--shadow-sm);
}

.faq-item[open] summary {
  border-bottom: 1.5px solid var(--border);
}

.faq-item[open] .faq-chevron {
  transform: rotate(180deg);
  color: var(--primary);
}

.faq-answer {
  padding: var(--space-5) var(--space-6);
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.7;
  background: var(--surface);
  animation: faqSlideIn var(--dur) var(--ease) forwards;
}

/* ── No Results State ── */
.faq-no-results {
  display: none;
  text-align: center;
  padding-block: var(--space-12);
  color: var(--text-muted);
}

.faq-no-results-icon {
  width: 48px;
  height: 48px;
  margin-inline: auto;
  margin-bottom: var(--space-4);
  color: var(--text-subtle);
}

/* ── Animations ── */
@keyframes faqSlideIn {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes faqFadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

/* ── Responsive Styling ── */
@media (max-width: 768px) {
  .faq-layout {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .faq-categories {
    position: static;
    flex-direction: row;
    overflow-x: auto;
    padding-bottom: var(--space-2);
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    border-bottom: 1px solid var(--border);
  }

  .faq-category-btn {
    white-space: nowrap;
    scroll-snap-align: start;
    padding: 0.625rem 1rem;
    font-size: 0.875rem;
  }
}