.page-faq {
  --block-accent: var(--color-accent);
  background: var(--color-bg);
}

.page-faq img {
  max-width: 100%;
  height: auto;
}

/* ========== Hero ========== */
.page-faq__hero {
  position: relative;
  overflow: hidden;
  padding: clamp(5rem, 9vw, 7rem) 0 2.5rem;
  background:
    radial-gradient(circle at 82% 18%, rgba(0, 229, 255, 0.12), transparent 30%),
    radial-gradient(circle at 8% 88%, rgba(57, 255, 136, 0.08), transparent 32%),
    linear-gradient(180deg, var(--color-bg) 0%, rgba(15, 36, 64, 0.7) 100%);
}

.page-faq__hero .container {
  position: relative;
  z-index: 1;
}

.page-faq__hero-inner {
  display: grid;
  gap: 2rem;
}

.page-faq__hero-copy {
  border-left: 3px solid var(--color-accent);
  padding-left: 1rem;
}

.page-faq__note {
  margin-top: 1.5rem;
  color: var(--color-text-dim);
  display: none;
}

.page-faq__hero-figure {
  margin: 0 auto;
  width: 200px;
  height: 200px;
}

.page-faq__hero-figure img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, var(--cut) 100%, 0 calc(100% - var(--cut)));
}

/* ---------- hero stats ---------- */
.page-faq__stat-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
  margin-top: 2rem;
}

.page-faq__stat-card {
  background: var(--color-bg-card);
  border-left: 2px solid var(--color-data);
  padding: 1rem 1.1rem;
  clip-path: polygon(0 0, 100% 0, calc(100% - var(--cut)) 100%, 0 100%);
}

.page-faq__stat-num {
  font-family: var(--font-mono);
  font-size: 1.9rem;
  font-weight: 700;
  line-height: 1;
  color: var(--color-data);
}

.page-faq__stat-unit {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--color-text-dim);
  margin-left: 0.25rem;
}

.page-faq__stat-label {
  display: block;
  margin-top: 0.4rem;
  font-size: 0.78rem;
  color: var(--color-text-dim);
  line-height: 1.5;
}

/* ========== Table of contents ========== */
.page-faq__toc {
  padding: 2rem 0 2.25rem;
  background: linear-gradient(180deg, rgba(15, 36, 64, 0.5), rgba(15, 36, 64, 0.92));
}

.page-faq__toc .kicker {
  color: var(--color-accent);
  margin-bottom: 0.75rem;
}

.page-faq__toc-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
}

.page-faq__toc-card {
  position: relative;
  display: block;
  padding: 1rem 1.1rem;
  background: var(--color-bg-elev);
  border: 1px solid var(--color-line);
  border-radius: 2px;
  color: var(--color-text);
  text-decoration: none;
  transition: border-color var(--transition), background-color var(--transition), transform var(--transition);
}

.page-faq__toc-card:hover,
.page-faq__toc-card:focus-visible {
  border-color: var(--color-accent);
  background: rgba(57, 255, 136, 0.08);
  transform: translateY(-2px);
}

.page-faq__toc-card:last-child {
  grid-column: 1 / -1;
}

.page-faq__toc-index {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--color-accent);
  letter-spacing: 0.08em;
}

.page-faq__toc-caption {
  display: block;
  margin-top: 0.25rem;
  font-weight: 700;
}

/* ========== Faq blocks ========== */
.page-faq__block {
  padding: 3rem 0;
  scroll-margin-top: calc(var(--header-h) + 1rem);
}

.page-faq__block--realtime,
.page-faq__block--account {
  background: rgba(15, 36, 64, 0.35);
  border-top: 1px solid var(--color-line);
  border-bottom: 1px solid var(--color-line);
}

.page-faq__block--access {
  --block-accent: var(--color-accent-2);
}

.page-faq__block--realtime {
  --block-accent: var(--color-accent);
}

.page-faq__block--calendar {
  --block-accent: var(--color-data);
}

.page-faq__block--account {
  --block-accent: var(--color-accent);
}

.page-faq__block--other {
  --block-accent: var(--color-accent-2);
}

.page-faq__block-head {
  margin-bottom: 2rem;
}

.page-faq__block-head::before {
  content: "";
  display: block;
  width: 42px;
  height: 4px;
  background: var(--block-accent);
  margin-bottom: 1rem;
}

.page-faq__block-head .kicker {
  color: var(--block-accent);
  margin-bottom: 0.5rem;
}

.page-faq__block-title {
  font-family: var(--font-title);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 900;
  line-height: 1.15;
  color: var(--color-text);
  margin: 0 0 0.75rem;
}

.page-faq__block-desc {
  color: var(--color-text-dim);
  line-height: 1.75;
  font-size: 0.95rem;
}

/* ========== Accordion ========== */
.page-faq summary {
  list-style: none;
}

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

.page-faq .accordion__item {
  background: var(--color-bg-card);
  border: 1px solid var(--color-line);
  border-left: 3px solid transparent;
  margin-bottom: 0.75rem;
  transition: border-color var(--transition), background-color var(--transition);
}

.page-faq .accordion__item:hover {
  border-color: var(--block-accent);
}

.page-faq .accordion__item[open] {
  border-left-color: var(--block-accent);
  background: rgba(15, 36, 64, 0.65);
}

.page-faq .accordion__trigger {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  width: 100%;
  padding: 1.1rem 1.2rem;
  font-family: var(--font-sans);
  cursor: pointer;
  background: transparent;
  transition: background-color var(--transition), color var(--transition);
}

.page-faq .accordion__trigger:hover {
  background: rgba(27, 58, 91, 0.65);
}

.page-faq__q {
  flex: 1;
  font-weight: 500;
  color: var(--color-text);
  line-height: 1.5;
}

.page-faq__mark {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border: 1px solid var(--color-line);
  border-radius: 3px;
  color: var(--block-accent);
}

.page-faq__mark svg {
  transition: transform 0.25s ease;
}

.page-faq .accordion__item[open] .page-faq__mark svg {
  transform: rotate(45deg);
}

.page-faq .accordion__content {
  padding: 0 1.2rem 1.25rem;
  color: var(--color-text-dim);
  line-height: 1.75;
  font-size: 0.95rem;
}

.page-faq .accordion__content p {
  margin: 0;
}

.page-faq .accordion__content p + p {
  margin-top: 0.75rem;
}

.page-faq .accordion__content a {
  color: var(--color-data);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq__inline-data {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--color-data);
  letter-spacing: 0.02em;
}

/* ========== Support card ========== */
.page-faq__support-card {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 1.5rem;
  padding: 1.5rem;
  background: linear-gradient(135deg, rgba(255, 122, 61, 0.14), rgba(255, 122, 61, 0.02));
  border: 1px solid rgba(255, 122, 61, 0.35);
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, var(--cut) 100%, 0 calc(100% - var(--cut)));
}

.page-faq__support-copy .kicker {
  color: var(--color-accent-2);
  margin-bottom: 0.35rem;
}

.page-faq__support-title {
  font-family: var(--font-title);
  font-size: 1.25rem;
  font-weight: 900;
  color: var(--color-text);
  margin: 0 0 0.5rem;
}

.page-faq__support-desc {
  color: var(--color-text-dim);
  line-height: 1.6;
  font-size: 0.9rem;
}

/* ========== Footer visual ========== */
.page-faq__visual {
  padding: 2.5rem 0 3.5rem;
}

.page-faq__visual img {
  display: block;
  width: 100%;
  max-width: 1600px;
  aspect-ratio: 1600 / 400;
  object-fit: cover;
  margin: 0 auto;
  border-radius: 18px;
}

/* ========== Tablet & up ========== */
@media (min-width: 720px) {
  .page-faq__toc-grid {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

  .page-faq__toc-card:last-child {
    grid-column: auto;
  }

  .page-faq__support-card {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }

  .page-faq__support-card .btn {
    flex-shrink: 0;
  }
}

/* ========== Desktop ========== */
@media (min-width: 960px) {
  .page-faq__hero-inner {
    grid-template-columns: minmax(0, 1fr) 220px;
    align-items: center;
  }

  .page-faq__hero-figure {
    margin: 0;
  }

  .page-faq__note {
    display: block;
  }

  .page-faq__block {
    padding: 4rem 0;
  }

  .page-faq__block-grid {
    display: grid;
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    gap: 3rem;
    align-items: start;
  }

  .page-faq__block-head {
    position: sticky;
    top: calc(var(--header-h) + 1.5rem);
    margin-bottom: 0;
  }
}