.page-faq,
.page-faq *,
.page-faq *::before,
.page-faq *::after {
  box-sizing: border-box;
}

.page-faq {
  position: relative;
  background-color: var(--c-paper);
  background-image:
    linear-gradient(90deg, rgba(0, 168, 157, 0.05) 1px, transparent 1px),
    linear-gradient(rgba(0, 168, 157, 0.05) 1px, transparent 1px);
  background-size: 30px 30px;
  overflow-x: hidden;
}

.page-faq .faq-hero {
  position: relative;
  background: linear-gradient(135deg, var(--c-deep-dark) 0%, var(--c-deep) 48%, var(--c-primary-dark) 100%);
  color: #fff;
  overflow: hidden;
  padding-top: 2rem;
}

.page-faq .faq-hero-media {
  position: absolute;
  inset: 0;
  z-index: 0;
  margin: 0;
  overflow: hidden;
}

.page-faq .faq-hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.35;
  filter: saturate(0.8) contrast(1.08);
}

.page-faq .faq-hero-river {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  pointer-events: none;
}

.page-faq .faq-hero-inner {
  position: relative;
  z-index: 2;
  width: min(100%, var(--container));
  margin: 0 auto;
  padding: 0 1rem 2.8rem;
}

.page-faq .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 2rem;
  color: rgba(255, 255, 255, 0.68);
  font-size: 0.82rem;
  letter-spacing: 0.04em;
}

.page-faq .breadcrumb a {
  color: var(--c-aux);
  text-decoration: none;
}

.page-faq .breadcrumb a:hover {
  text-decoration: underline;
}

.page-faq .faq-hero-copy {
  min-width: 0;
}

.page-faq .faq-hero-code {
  margin: 0 0 0.8rem;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--c-aux);
}

.page-faq h1 {
  margin: 0 0 1rem;
  font-family: var(--font-head);
  font-size: clamp(2.2rem, 7vw, 4.2rem);
  line-height: 1.12;
  letter-spacing: 0.02em;
}

.page-faq h1 em {
  font-style: normal;
  color: var(--c-aux);
}

.page-faq .faq-hero-amp {
  color: var(--c-accent);
}

.page-faq .faq-hero-lead {
  max-width: 40rem;
  margin: 0 0 1.8rem;
  color: rgba(255, 255, 255, 0.86);
  font-size: 1rem;
  line-height: 1.9;
}

.page-faq .faq-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.page-faq .btn-primary {
  background: var(--c-accent);
  border: 2px solid var(--c-ink);
  color: #fff;
  box-shadow: var(--shadow-hard-sm);
  transition: transform 180ms ease, background-color 180ms ease;
}

.page-faq .btn-primary:hover {
  background: var(--c-accent-dark);
  transform: translateY(-2px);
}

.page-faq .btn-outline {
  border: 2px solid rgba(255, 255, 255, 0.85);
  color: #fff;
  transition: transform 180ms ease, background-color 180ms ease, border-color 180ms ease;
}

.page-faq .btn-outline:hover {
  border-color: #fff;
  background: rgba(255, 255, 255, 0.12);
}

.page-faq .faq-legend {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
  margin-top: 1.8rem;
}

.page-faq .faq-legend-item:first-child {
  grid-column: 1 / -1;
}

.page-faq .faq-legend-item {
  appearance: none;
  border: 2px solid var(--c-ink);
  border-radius: var(--radius);
  background: var(--c-paper);
  color: var(--c-ink);
  display: grid;
  grid-template-columns: 2.6rem 1fr;
  grid-template-areas:
    "dot name"
    "dot code";
  align-items: center;
  column-gap: 0.75rem;
  padding: 0.6rem 0.7rem;
  font: inherit;
  text-align: left;
  cursor: pointer;
  box-shadow: 4px 4px 0 rgba(26, 26, 26, 0.2);
  transition: transform 180ms ease, box-shadow 180ms ease, background-color 180ms ease, color 180ms ease;
}

.page-faq .faq-legend-item:hover {
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 rgba(0, 0, 0, 0.28);
}

.page-faq .faq-legend-item[aria-pressed="true"] {
  background: var(--c-primary);
  color: #fff;
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 rgba(26, 26, 26, 0.24);
}

.page-faq .faq-legend-dot {
  grid-area: dot;
  width: 2.6rem;
  height: 2.6rem;
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: 2px solid var(--c-ink);
  background: #fff;
  color: var(--c-deep);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  box-shadow: inset 0 0 0 2px var(--c-paper);
}

.page-faq .faq-legend-item[aria-pressed="true"] .faq-legend-dot {
  background: var(--c-accent);
  color: #fff;
}

.page-faq .faq-legend-name {
  grid-area: name;
  font-size: 0.95rem;
  font-weight: 700;
  line-height: 1.25;
}

.page-faq .faq-legend-code {
  grid-area: code;
  margin-top: 0.15rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  color: rgba(26, 26, 26, 0.55);
}

.page-faq .faq-legend-item[aria-pressed="true"] .faq-legend-code {
  color: rgba(255, 255, 255, 0.78);
}

.page-faq .faq-sections {
  width: min(100%, var(--container));
  margin: 0 auto;
  padding: 1rem 1rem 4rem;
}

.page-faq .faq-section {
  position: relative;
  padding: 2.4rem clamp(0.25rem, 1.5vw, 1rem) 2.8rem;
}

.page-faq .faq-section + .faq-section {
  border-top: 2px dashed rgba(0, 168, 157, 0.45);
}

.page-faq .faq-section[data-tags="download"] {
  background: linear-gradient(90deg, rgba(0, 168, 157, 0.07), transparent 78%);
}

.page-faq .faq-section[data-tags="features"] {
  background: linear-gradient(90deg, rgba(243, 106, 59, 0.07), transparent 78%);
}

.page-faq .faq-section[data-tags="data"] {
  background: linear-gradient(90deg, rgba(27, 78, 107, 0.08), transparent 78%);
}

.page-faq .faq-section[data-tags="feedback"] {
  background: linear-gradient(90deg, rgba(107, 203, 154, 0.12), transparent 78%);
}

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

.page-faq .section-head {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.7rem 1rem;
  align-items: start;
  margin-bottom: 1.7rem;
}

.page-faq .section-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 3.2rem;
  height: 3.2rem;
  border: 2px solid var(--c-ink);
  border-radius: 999px;
  background: var(--c-primary);
  color: #fff;
  box-shadow: var(--shadow-hard-sm);
  font-family: var(--font-head);
  font-size: 1.55rem;
}

.page-faq .faq-section-title-group h2 {
  margin: 0 0 0.5rem;
  font-family: var(--font-head);
  font-size: clamp(1.65rem, 4vw, 2.3rem);
  line-height: 1.25;
  color: var(--c-deep);
}

.page-faq .section-lead {
  max-width: 46rem;
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--c-gray);
}

.page-faq .section-coord {
  display: none;
}

.page-faq .faq-accordion {
  border: 2px solid var(--c-ink);
  border-radius: var(--radius);
  background: var(--c-paper);
  box-shadow: var(--shadow-hard);
  overflow: hidden;
}

.page-faq .faq-accordion .accordion-item + .accordion-item {
  border-top: 2px solid var(--c-ink);
}

.page-faq .accordion-question {
  margin: 0;
}

.page-faq .accordion-trigger {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 0.8rem;
  width: 100%;
  border: none;
  background: transparent;
  padding: 1rem;
  font: inherit;
  font-weight: 700;
  color: var(--c-ink);
  text-align: left;
  cursor: pointer;
  transition: background-color 180ms ease;
}

.page-faq .accordion-trigger:hover {
  background: rgba(0, 168, 157, 0.09);
}

.page-faq .coord-chip {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  white-space: nowrap;
  color: var(--c-primary-dark);
  background: rgba(0, 168, 157, 0.12);
  border: 1px solid rgba(0, 168, 157, 0.35);
  border-radius: 999px;
  padding: 0.3rem 0.6rem;
}

.page-faq .accordion-icon {
  position: relative;
  width: 1.3rem;
  height: 1.3rem;
  flex: none;
  border: 2px solid var(--c-ink);
  border-radius: 50%;
  background: #fff;
}

.page-faq .accordion-icon::before,
.page-faq .accordion-icon::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: var(--c-accent);
}

.page-faq .accordion-icon::before {
  width: 0.6rem;
  height: 2px;
}

.page-faq .accordion-icon::after {
  width: 2px;
  height: 0.6rem;
  transition: transform 200ms ease;
}

.page-faq .accordion-trigger[aria-expanded="true"] .accordion-icon::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.page-faq .accordion-panel {
  display: block;
}

.page-faq .accordion-panel-inner {
  margin: 0 1rem 1rem calc(1rem + 2.6rem);
  padding: 0.85rem 0.95rem;
  border-left: 4px solid var(--c-primary);
  border-radius: 0.3rem;
  background: rgba(0, 168, 157, 0.05);
  color: var(--c-gray);
  font-size: 0.93rem;
  line-height: 1.85;
}

.page-faq .accordion-panel-inner p {
  margin: 0;
}

.page-faq .faq-feedback-grid {
  display: grid;
  gap: 1.4rem;
  margin-top: 1.5rem;
}

.page-faq .faq-feedback-card {
  padding: 1.2rem;
  border: 2px solid var(--c-ink);
  border-radius: var(--radius);
  background: linear-gradient(150deg, rgba(107, 203, 154, 0.16), var(--c-paper) 62%);
  box-shadow: var(--shadow-hard);
}

.page-faq .faq-feedback-card .media-frame {
  display: block;
  border: 2px solid var(--c-ink);
  border-radius: var(--radius);
  box-shadow: var(--shadow-hard-sm);
  overflow: hidden;
}

.page-faq .faq-feedback-card .media-frame img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-faq .faq-feedback-card h3 {
  margin: 1.1rem 0 0.6rem;
  font-family: var(--font-head);
  font-size: 1.5rem;
  color: var(--c-deep);
}

.page-faq .faq-feedback-card p {
  margin: 0;
  color: var(--c-gray);
  font-size: 0.92rem;
  line-height: 1.8;
  overflow-wrap: anywhere;
}

.page-faq .faq-flow {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.55rem;
  margin: 1.1rem 0 1.3rem;
  padding: 0.9rem 0;
  list-style: none;
  border-top: 2px dashed var(--c-primary);
  border-bottom: 2px dashed var(--c-primary);
}

.page-faq .faq-flow li {
  padding: 0.4rem 0.6rem;
  border: 1px solid rgba(0, 168, 157, 0.28);
  border-radius: 0.3rem;
  background: rgba(255, 255, 255, 0.75);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--c-deep);
}

.page-faq .btn-accent {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.65rem 1.1rem;
  border: 2px solid var(--c-ink);
  border-radius: 999px;
  background: var(--c-accent);
  color: #fff;
  box-shadow: var(--shadow-hard-sm);
  font-weight: 700;
  text-decoration: none;
  transition: transform 180ms ease, box-shadow 180ms ease, background-color 180ms ease;
}

.page-faq .btn-accent:hover {
  background: var(--c-accent-dark);
  transform: translate(-2px, -2px);
  box-shadow: 5px 5px 0 rgba(26, 26, 26, 0.2);
}

@media (min-width: 880px) {
  .page-faq .faq-hero-inner {
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    grid-template-areas:
      "crumb crumb"
      "copy map";
    align-items: start;
    column-gap: 3.5rem;
    padding-bottom: 3.5rem;
  }

  .page-faq .breadcrumb {
    grid-area: crumb;
  }

  .page-faq .faq-hero-copy {
    grid-area: copy;
  }

  .page-faq .faq-legend {
    grid-area: map;
    grid-template-columns: 1fr;
    margin-top: 0;
  }

  .page-faq .faq-legend-item:first-child {
    grid-column: auto;
  }

  .page-faq .section-head {
    grid-template-columns: auto 1fr auto;
    align-items: end;
  }

  .page-faq .section-coord {
    display: inline-block;
    padding: 0.3rem 0.7rem;
    border: 1px solid rgba(0, 168, 157, 0.4);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.65);
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.14em;
    color: var(--c-primary-dark);
  }

  .page-faq .faq-feedback-grid {
    grid-template-columns: 1.15fr 0.85fr;
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-legend-item,
  .page-faq .accordion-trigger,
  .page-faq .accordion-icon::after,
  .page-faq .btn-primary,
  .page-faq .btn-outline,
  .page-faq .btn-accent {
    transition: none !important;
  }
}