.page-faq {
  --faq-nav-w: 232px;
  --faq-anchor-offset: 96px;
  display: block;
}

/* ---------- hero ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: clamp(26px, 4.5vw, 58px) 0 clamp(30px, 5vw, 68px);
  background:
    radial-gradient(120% 110% at 86% 0%, rgba(18, 196, 139, .14), transparent 58%),
    linear-gradient(162deg, var(--ink-800), var(--ink-900) 64%);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  top: -30%;
  right: -10%;
  width: 58%;
  height: 160%;
  background: repeating-linear-gradient(
    105deg,
    rgba(30, 58, 102, .62) 0 1px,
    transparent 1px 16px
  );
  opacity: .45;
  pointer-events: none;
}

.page-faq .faq-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 56px);
}

.page-faq .faq-hero h1 {
  margin: 14px 0 0;
  font-family: var(--font-sans);
  font-size: clamp(29px, 4.4vw, 54px);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -.012em;
  color: var(--text);
  max-width: 22ch;
}

.page-faq .faq-hero__intro {
  margin: 18px 0 0;
  max-width: 62ch;
  font-size: clamp(15px, 1.1vw, 17px);
  line-height: 1.78;
  color: var(--text-body);
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-faq .faq-hero__facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  overflow: hidden;
  box-shadow: var(--shadow-2);
}

.page-faq .fact {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: clamp(16px, 2vw, 24px);
  background: linear-gradient(180deg, rgba(18, 39, 74, .94), rgba(12, 27, 51, .94));
}

.page-faq .fact__num {
  font-family: var(--font-mono);
  font-size: clamp(28px, 3.4vw, 40px);
  font-weight: 700;
  line-height: 1;
  color: var(--emerald-500);
  letter-spacing: -.02em;
}

.page-faq .fact__label {
  font-size: 13px;
  line-height: 1.5;
  color: var(--muted);
}

/* ---------- .page-faq layout ---------- */
.page-faq .faq-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 48px);
  padding-top: clamp(26px, 4vw, 54px);
  padding-bottom: clamp(40px, 6vw, 88px);
}

.page-faq .faq-nav {
  border-top: 1px solid var(--line);
  padding-top: 14px;
}

.page-faq .faq-nav ul {
  list-style: none;
  margin: 12px 0 0;
  padding: 0 0 4px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.page-faq .faq-nav ul::-webkit-scrollbar {
  display: none;
}

.page-faq .faq-nav a {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 7px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--text-body);
  font-size: 14px;
  line-height: 1.4;
  text-decoration: none;
  white-space: nowrap;
  transition: color .16s var(--ease), border-color .16s var(--ease), background-color .16s var(--ease);
}

.page-faq .faq-nav a .num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--slate-500);
}

.page-faq .faq-nav a:hover,
.page-faq .faq-nav a:focus-visible {
  color: var(--text);
  border-color: var(--emerald-500);
  background: rgba(18, 196, 139, .09);
}

/* ---------- groups ---------- */
.page-faq .faq-group {
  padding: clamp(24px, 3.4vw, 44px) 0;
  border-top: 1px solid var(--line);
  scroll-margin-top: var(--faq-anchor-offset);
}

.page-faq .faq-flow > .faq-group:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-faq .faq-group--tint {
  background: linear-gradient(180deg, rgba(18, 196, 139, .055), transparent 68%);
}

.page-faq .faq-group__head {
  max-width: 76ch;
}

.page-faq .faq-group__head .label {
  color: var(--emerald-500);
}

.page-faq .faq-group__head h2 {
  margin: 10px 0 0;
  font-family: var(--font-sans);
  font-size: clamp(22px, 2.6vw, 34px);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -.008em;
  color: var(--text);
}

.page-faq .faq-group__head > p:last-child {
  margin: 12px 0 0;
  max-width: 64ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--text-body);
}

/* ---------- register steps ---------- */
.page-faq .faq-register {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 40px);
  margin-top: 26px;
}

.page-faq .step-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .step {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 16px;
  padding: 18px 0;
  border-top: 1px dashed rgba(30, 58, 102, .9);
}

.page-faq .step:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-faq .step__num {
  font-family: var(--font-mono);
  font-size: clamp(25px, 3vw, 36px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.03em;
  color: var(--emerald-700);
}

.page-faq .step__body h3 {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--text);
}

.page-faq .step__body p {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--text-body);
}

/* ---------- figures ---------- */
.page-faq .faq-fig {
  margin: 0;
  aspect-ratio: auto;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  overflow: hidden;
  background: linear-gradient(150deg, var(--panel-700), var(--ink-900));
  box-shadow: var(--shadow-2);
}

.page-faq .faq-fig img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- q&a list ---------- */
.page-faq .faq-list {
  margin-top: 24px;
}

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

.page-faq .faq-list .qa:last-child {
  border-bottom: 1px solid var(--line);
}

.page-faq .qa summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 18px;
  padding: 17px 2px;
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  transition: color .16s var(--ease);
}

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

.page-faq .qa summary::after {
  content: "+";
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 19px;
  line-height: 1;
  color: var(--emerald-500);
}

.page-faq .qa[open] summary::after {
  content: "−";
}

.page-faq .qa summary:hover,
.page-faq .qa summary:focus-visible {
  color: var(--emerald-500);
}

.page-faq .qa__a {
  padding: 0 30px 20px 2px;
}

.page-faq .qa__a p {
  margin: 0;
  max-width: 68ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-body);
}

.page-faq .qa__a p + p {
  margin-top: 10px;
}

/* ---------- data section ---------- */
.page-faq .faq-data {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 38px);
  margin-top: 24px;
}

.page-faq .faq-data .faq-list {
  margin-top: 0;
}

/* ---------- member tiers ---------- */
.page-faq .tier-grid {
  margin-top: 24px;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  overflow: hidden;
  box-shadow: var(--shadow-1);
}

.page-faq .tier {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(18px, 2.2vw, 28px);
  background: var(--ink-800);
}

.page-faq .tier .label {
  color: var(--emerald-500);
}

.page-faq .tier h3 {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 19px;
  font-weight: 800;
  line-height: 1.35;
  color: var(--text);
}

.page-faq .tier p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--text-body);
}

.page-faq .tier--core {
  background: linear-gradient(180deg, rgba(18, 196, 139, .12), var(--ink-800) 62%);
  box-shadow: inset 2px 0 0 var(--flare-500);
}

.page-faq .faq-list--member {
  margin-top: 26px;
}

/* ---------- contact ---------- */
.page-faq .faq-group--contact {
  border-top-color: var(--emerald-700);
}

.page-faq .faq-contact {
  margin-top: 24px;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  overflow: hidden;
}

.page-faq .faq-contact__item {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: clamp(18px, 2.2vw, 26px);
  background: linear-gradient(180deg, rgba(18, 39, 74, .9), rgba(7, 15, 30, .9));
}

.page-faq .faq-contact__item .label {
  color: var(--muted);
}

.page-faq .faq-contact__value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(15px, 1.4vw, 18px);
  font-weight: 600;
  line-height: 1.5;
  color: var(--text);
  word-break: break-word;
}

.page-faq .faq-contact__hint {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--muted);
}

.page-faq .faq-report {
  margin-top: clamp(24px, 3vw, 38px);
  padding-top: 22px;
  border-top: 1px dashed rgba(30, 58, 102, .9);
}

.page-faq .faq-report h3 {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
}

.page-faq .faq-report__list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-report__list li {
  display: flex;
  align-items: baseline;
  gap: 12px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-body);
}

.page-faq .faq-report__list .num {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .06em;
  color: var(--amber-400);
}

.page-faq .faq-report__note {
  margin: 16px 0 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--muted);
}

.page-faq .faq-report .btn {
  margin-top: 18px;
}

/* ---------- next links ---------- */
.page-faq .faq-next {
  margin-top: clamp(32px, 4vw, 56px);
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

.page-faq .faq-next .label {
  color: var(--slate-500);
}

.page-faq .faq-next__grid {
  margin-top: 14px;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

.page-faq .faq-next__item {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  text-decoration: none;
  background: rgba(12, 27, 51, .55);
  transition: transform .16s var(--ease), border-color .16s var(--ease);
}

.page-faq .faq-next__item:hover,
.page-faq .faq-next__item:focus-visible {
  transform: translateY(-2px);
  border-color: var(--emerald-500);
}

.page-faq .faq-next__key {
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
}

.page-faq .faq-next__desc {
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--muted);
}

/* ---------- focus ring ---------- */
.page-faq a:focus-visible,
.page-faq summary:focus-visible {
  outline: 2px solid var(--emerald-500);
  outline-offset: 3px;
  border-radius: var(--r-sm);
}

/* ---------- responsive ---------- */
@media (min-width: 700px) {
  .page-faq .foo,
  .page-faq .faq-next__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .faq-contact {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .tier-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 880px) {
  .page-faq .faq-register {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
    align-items: start;
  }

  .page-faq .faq-data {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: start;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-body {
    grid-template-columns: var(--faq-nav-w) minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-nav {
    position: sticky;
    top: 88px;
    border-top: 0;
    border-left: 1px solid var(--line);
    padding: 0 0 0 18px;
  }

  .page-faq .faq-nav ul {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-faq .faq-nav a {
    border: 0;
    border-left: 2px solid transparent;
    border-radius: 0;
    padding: 9px 10px;
    white-space: normal;
  }

  .page-faq .faq-nav a:hover,
  .page-faq .faq-nav a:focus-visible {
    border-left-color: var(--emerald-500);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-nav a,
  .page-faq .qa summary,
  .page-faq .faq-next__item {
    transition: none;
  }

  .page-faq .faq-next__item:hover,
  .page-faq .faq-next__item:focus-visible {
    transform: none;
  }
}