.page-faq {
  --faq-panel-radius: 0.875rem;
  --faq-line: rgba(192, 196, 204, 0.16);
  background: var(--bg-deep);
  color: var(--fg);
}

/* ---------- hero ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: 2.5rem 0 2rem;
  isolation: isolate;
  overflow: hidden;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(115deg, rgba(0, 229, 255, 0.09) 0%, transparent 34%),
    linear-gradient(295deg, rgba(179, 136, 255, 0.07) 0%, transparent 40%);
  clip-path: polygon(0 0, 100% 0, 100% 78%, 0 100%);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  z-index: -1;
  width: 100%;
  height: 0.25rem;
  background: var(--track);
}

.page-faq .faq-hero-grid {
  display: grid;
  gap: 1.75rem;
  margin-top: 1.5rem;
}

.page-faq .faq-hero-copy {
  max-width: 42rem;
}

.page-faq .faq-hero-copy .section-index {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  color: var(--cyan);
  border: 1px solid rgba(0, 229, 255, 0.35);
  background: rgba(0, 229, 255, 0.06);
  padding: 0.25rem 0.75rem;
  border-radius: 999px;
  margin-bottom: 1rem;
}

.page-faq .faq-hero h1 {
  margin: 0 0 1.25rem;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(2rem, 6vw, 3.5rem);
  line-height: 1.15;
  letter-spacing: 0.01em;
}

.page-faq .faq-hero .section-desc {
  margin: 0 0 1.5rem;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.8;
}

.page-faq .faq-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.page-faq .faq-hero-figure {
  margin: 0;
  border-radius: 1rem;
  overflow: hidden;
  border: 1px solid var(--faq-line);
  background: var(--bg-panel);
  box-shadow: 0 1.2rem 3rem rgba(0, 0, 0, 0.35);
}

.page-faq .faq-hero-figure img,
.page-faq .faq-guide-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
}

/* ---------- console ---------- */
.page-faq .faq-console {
  padding: 2.25rem 0 1.25rem;
}

.page-faq .faq-console-bar {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  padding: 0.875rem 1.125rem;
  margin-bottom: 1.5rem;
  background: linear-gradient(135deg, rgba(18, 24, 40, 0.98), rgba(10, 14, 23, 0.98));
  border: 1px solid rgba(0, 229, 255, 0.28);
  border-radius: 0.625rem;
  box-shadow: 0 0 2rem rgba(0, 229, 255, 0.08);
  font-family: var(--font-mono);
  font-size: 0.875rem;
}

.page-faq .faq-console-term-dot {
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: var(--silver);
  flex-shrink: 0;
}

.page-faq .faq-console-term-dot--purple {
  background: var(--purple);
}

.page-faq .faq-console-term-dot--orange {
  background: var(--orange);
}

.page-faq .faq-console-prompt {
  color: var(--cyan);
  font-weight: 700;
}

.page-faq .faq-console-text {
  color: var(--silver);
}

.page-faq .faq-console-caret {
  width: 0.5rem;
  height: 1.1rem;
  background: var(--cyan);
  flex-shrink: 0;
  animation: faq-blink 1.1s step-end infinite;
}

@keyframes faq-blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

.page-faq .faq-console-meta {
  margin-left: auto;
  color: var(--muted);
  font-size: 0.75rem;
  white-space: nowrap;
}

/* ---------- panels ---------- */
.page-faq .faq-panels {
  display: grid;
  gap: 1.25rem;
}

.page-faq .faq-panel {
  background: var(--bg-panel);
  border: 1px solid var(--faq-line);
  border-radius: var(--faq-panel-radius);
  overflow: hidden;
  transition: border-color 0.25s var(--ease), box-shadow 0.25s var(--ease);
}

.page-faq .faq-panel:hover {
  border-color: rgba(0, 229, 255, 0.24);
  box-shadow: 0 0 2rem rgba(0, 229, 255, 0.06);
}

.page-faq .faq-panel-head {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  padding: 1rem 1.125rem;
  background: linear-gradient(135deg, rgba(24, 32, 52, 0.92), rgba(18, 24, 40, 0.88));
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-status-dot {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  flex-shrink: 0;
  box-shadow: 0 0 0 3px rgba(0, 229, 255, 0.14);
}

.page-faq .faq-status-dot--cyan {
  background: var(--cyan);
}

.page-faq .faq-status-dot--purple {
  background: var(--purple);
  box-shadow: 0 0 0 3px rgba(179, 136, 255, 0.16);
}

.page-faq .faq-status-dot--orange {
  background: var(--orange);
  box-shadow: 0 0 0 3px rgba(255, 109, 0, 0.16);
}

.page-faq .faq-status-dot--silver {
  background: var(--silver);
  box-shadow: 0 0 0 3px rgba(192, 196, 204, 0.12);
}

.page-faq .faq-status-dot--red {
  background: var(--danger);
  box-shadow: 0 0 0 3px rgba(255, 59, 59, 0.14);
}

.page-faq .faq-panel-index {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--muted);
  letter-spacing: 0.08em;
}

.page-faq .faq-panel-head h2 {
  margin: 0;
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

/* ---------- faq items ---------- */
.page-faq .faq-items {
  display: grid;
  gap: 0;
}

.page-faq .faq-item {
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-item:last-child {
  border-bottom: 0;
}

.page-faq .faq-item summary {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  padding: 1rem 1.125rem;
  cursor: pointer;
  list-style: none;
  transition: background 0.2s ease;
}

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

.page-faq .faq-item summary:hover,
.page-faq .faq-item[open] summary {
  background: rgba(0, 229, 255, 0.05);
}

.page-faq .faq-item-mark {
  font-family: var(--font-mono);
  color: var(--cyan);
  font-weight: 700;
  font-size: 0.8125rem;
  line-height: 1;
}

.page-faq .faq-item-q {
  flex: 1;
  font-size: 0.9375rem;
  line-height: 1.5;
}

.page-faq .faq-item-caret {
  width: 0.45rem;
  height: 0.45rem;
  border-right: 2px solid var(--muted);
  border-bottom: 2px solid var(--muted);
  transform: rotate(45deg);
  transition: transform 0.25s var(--ease);
  flex-shrink: 0;
  margin-right: 0.25rem;
}

.page-faq .faq-item[open] .faq-item-caret {
  transform: rotate(225deg);
}

.page-faq .faq-item-a {
  padding: 0 1.25rem 1.25rem 2.75rem;
}

.page-faq .faq-item-a p {
  margin: 0 0 0.875rem;
  color: var(--muted);
  font-size: 0.875rem;
  line-height: 1.75;
}

.page-faq .faq-item-a .btn {
  margin-top: 0.25rem;
}

/* ---------- guide ---------- */
.page-faq .faq-guide {
  padding: 2.5rem 0 4rem;
}

.page-faq .faq-guide .section-head {
  margin-bottom: 2rem;
}

.page-faq .faq-guide-grid {
  display: grid;
  gap: 2rem;
}

.page-faq .faq-guide-steps ol {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 1rem;
}

.page-faq .faq-guide-steps li {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  padding: 1.125rem;
  background: rgba(18, 24, 40, 0.72);
  border: 1px solid var(--faq-line);
  border-radius: 0.75rem;
  transition: border-color 0.25s var(--ease);
}

.page-faq .faq-guide-steps li:hover {
  border-color: rgba(179, 136, 255, 0.3);
}

.page-faq .faq-guide-step-num {
  width: 2rem;
  height: 2rem;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--cyan);
  background: rgba(0, 229, 255, 0.1);
  border: 1px solid rgba(0, 229, 255, 0.3);
  border-radius: 50%;
}

.page-faq .faq-guide-steps h3 {
  margin: 0 0 0.375rem;
  font-size: 1rem;
  font-weight: 700;
}

.page-faq .faq-guide-steps p {
  margin: 0;
  color: var(--muted);
  font-size: 0.875rem;
  line-height: 1.7;
}

.page-faq .faq-guide-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.page-faq .faq-guide-figure {
  margin: 0;
  order: -1;
  border-radius: 1rem;
  overflow: hidden;
  border: 1px solid var(--faq-line);
  background: var(--bg-panel);
  box-shadow: 0 1.2rem 2.5rem rgba(0, 0, 0, 0.28);
}

.page-faq .faq-guide-figure img {
  height: 16rem;
  object-fit: cover;
  object-position: center;
}

/* ---------- tablet / desktop ---------- */
@media (min-width: 900px) {
  .page-faq .faq-hero {
    padding: 3.5rem 0 3rem;
  }

  .page-faq .faq-hero-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 3rem;
    align-items: center;
  }

  .page-faq .faq-hero-figure img {
    height: 22rem;
    object-fit: cover;
    object-position: center;
  }

  .page-faq .faq-console {
    padding: 3rem 0 2rem;
  }

  .page-faq .faq-panels {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.5rem;
  }

  .page-faq .faq-panel:last-child {
    grid-column: span 2;
  }

  .page-faq .faq-guide {
    padding: 3rem 0 5rem;
  }

  .page-faq .faq-guide-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: center;
    gap: 3rem;
  }

  .page-faq .faq-guide-figure {
    order: 2;
  }

  .page-faq .faq-guide-steps {
    order: 1;
  }

  .page-faq .faq-guide-figure img {
    height: 24rem;
  }
}

/* ---------- reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-console-caret {
    animation: none;
    opacity: 1;
  }

  .page-faq .faq-item-caret,
  .page-faq .faq-panel,
  .page-faq .faq-guide-steps li {
    transition: none;
  }
}