.page-faq {
  --faq-index-width: 240px;
  padding-bottom: 88px;
  background:
    linear-gradient(180deg, rgba(0, 255, 136, 0.05), transparent 320px),
    var(--color-bg-primary);
  color: var(--color-text-primary);
}

.page-faq .container {
  padding-left: 20px;
  padding-right: 20px;
  max-width: 1240px;
  margin-left: auto;
  margin-right: auto;
}

.page-faq .breadcrumb-wrap {
  padding-top: 24px;
}

.page-faq .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 13px;
  color: var(--color-text-secondary);
}

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

.page-faq .breadcrumb a:hover {
  color: var(--color-accent-green);
}

.page-faq .breadcrumb__current {
  color: var(--color-text-primary);
}

.page-faq__hero {
  position: relative;
  padding: 44px 0 36px;
  border-bottom: 2px solid var(--color-line);
}

.page-faq__hero .mono-label {
  color: var(--color-accent-green);
  margin-bottom: 16px;
}

.page-faq__hero h1 {
  font-family: var(--font-heading);
  font-size: clamp(28px, 5vw, 54px);
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin: 0 0 18px;
  max-width: 14em;
}

.page-faq__lead {
  color: var(--color-text-secondary);
  max-width: 58ch;
  line-height: 1.8;
  font-size: 16px;
}

.page-faq__search {
  margin-top: 32px;
  background: var(--color-bg-secondary);
  border: 2px solid var(--color-line);
  padding: 20px;
  box-shadow: 8px 8px 0 rgba(0, 0, 0, 0.28);
}

.page-faq__search-label {
  display: block;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--color-text-secondary);
  margin-bottom: 12px;
  text-transform: uppercase;
}

.page-faq__search-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.page-faq__search-input {
  flex: 1 1 260px;
  min-width: 0;
  background: var(--color-bg-primary);
  border: 2px solid var(--color-line);
  color: var(--color-text-primary);
  font-family: var(--font-data);
  font-size: 15px;
  padding: 12px 16px;
}

.page-faq__search-input:focus {
  outline: none;
  border-color: var(--color-accent-yellow);
}

.page-faq__search-badge {
  flex-shrink: 0;
  background: var(--color-accent-green);
  color: #04102b;
  font-family: var(--font-data);
  font-size: 12px;
  font-weight: 700;
  padding: 6px 12px;
  letter-spacing: 0.05em;
  border: 2px solid var(--color-accent-green);
}

.page-faq__filter {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.page-faq__filter-btn {
  border: 2px solid var(--color-line);
  background: transparent;
  color: var(--color-text-secondary);
  font-family: var(--font-body);
  font-size: 13px;
  padding: 8px 14px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.page-faq__filter-btn:hover {
  border-color: var(--color-accent-yellow);
  color: var(--color-accent-yellow);
}

.page-faq__filter-btn.is-active {
  background: var(--color-accent-yellow);
  border-color: var(--color-accent-yellow);
  color: #04102b;
  font-weight: 700;
}

.page-faq__search-hint {
  font-size: 12px;
  color: var(--color-text-secondary);
  margin-top: 14px;
  line-height: 1.6;
}

.page-faq__layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 40px;
  margin-top: 48px;
}

.page-faq__index {
  order: -1;
  position: sticky;
  top: 96px;
  align-self: start;
  background: var(--color-bg-secondary);
  border: 2px solid var(--color-line);
  border-left: 6px solid var(--color-accent-yellow);
  padding: 16px;
}

.page-faq__index p {
  margin-bottom: 14px;
}

.page-faq__index nav {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.page-faq__index a {
  color: var(--color-text-secondary);
  font-size: 14px;
  text-decoration: none;
  padding: 9px 6px;
  border-bottom: 1px solid var(--color-line);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.page-faq__index a::after {
  content: "→";
  color: var(--color-accent-yellow);
  margin-left: 12px;
}

.page-faq__index a:hover {
  color: var(--color-text-primary);
  background: rgba(255, 255, 255, 0.03);
}

.page-faq__content {
  min-width: 0;
}

.page-faq__section {
  padding: 48px 0;
  border-bottom: 2px solid var(--color-line);
}

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

.page-faq__section .section-heading {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 22px;
}

.page-faq__section .section-heading__index {
  color: var(--color-accent-green);
  font-family: var(--font-data);
  font-size: 14px;
  letter-spacing: 0.05em;
}

.page-faq__section .section-heading__title {
  font-family: var(--font-heading);
  font-size: 32px;
  margin: 0;
  letter-spacing: -0.01em;
}

.page-faq__section .section-heading__line {
  flex: 1;
  height: 2px;
  background: var(--color-line);
  min-width: 30px;
}

.page-faq__section-lead {
  color: var(--color-text-secondary);
  line-height: 1.8;
  margin: 0 0 28px;
  max-width: 62ch;
}

.page-faq__faq-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.page-faq .faq-item {
  margin: 0;
  background: rgba(16, 31, 60, 0.6);
  border: 2px solid var(--color-line);
  transition: border-color 0.2s ease;
}

.page-faq .faq-item[open] {
  border-color: rgba(245, 197, 24, 0.7);
}

.page-faq .faq-item__question {
  display: flex;
  align-items: center;
  gap: 14px;
  list-style: none;
  cursor: pointer;
  padding: 18px 16px;
  user-select: none;
}

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

.page-faq .faq-item__num {
  font-family: var(--font-data);
  font-size: 12px;
  color: var(--color-accent-yellow);
  flex-shrink: 0;
  letter-spacing: 0.05em;
}

.page-faq .faq-item__text {
  flex: 1;
  font-weight: 700;
  line-height: 1.45;
}

.page-faq .faq-item__arrow {
  flex-shrink: 0;
  font-size: 20px;
  color: var(--color-accent-yellow);
  transition: transform 0.2s ease;
  transform: rotate(0);
}

.page-faq .faq-item[open] .faq-item__arrow {
  transform: rotate(90deg);
}

.page-faq .faq-item__answer {
  padding: 0 18px 20px 68px;
  color: var(--color-text-secondary);
  line-height: 1.8;
  font-size: 15px;
}

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

.page-faq .faq-item__answer a {
  color: var(--color-accent-green);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.page-faq .faq-tutorial {
  background: var(--color-bg-secondary);
  border: 2px solid var(--color-line);
  margin-bottom: 20px;
  padding: 24px;
}

.page-faq .faq-tutorial__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
}

.page-faq .faq-tutorial__media img {
  width: 100%;
  height: auto;
  display: block;
  border: 2px solid var(--color-line);
}

.page-faq .faq-tutorial__body h3 {
  font-family: var(--font-heading);
  font-size: 20px;
  margin: 0 0 16px;
}

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

.page-faq .faq-tutorial__steps li {
  display: flex;
  gap: 14px;
  padding: 12px 0;
  border-bottom: 1px solid var(--color-line);
  line-height: 1.7;
  font-size: 15px;
  color: var(--color-text-primary);
}

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

.page-faq .faq-tutorial__steps li span {
  font-family: var(--font-data);
  color: var(--color-accent-green);
  flex-shrink: 0;
  font-size: 14px;
}

.page-faq__tutorial-tip {
  margin: 16px 0 0;
  color: var(--color-text-secondary);
  font-size: 14px;
}

.page-faq__tutorial-tip a {
  color: var(--color-accent-green);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.page-faq__security-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
}

.page-faq__security-panel {
  background: var(--color-bg-secondary);
  border: 2px solid var(--color-line);
  padding: 24px;
  position: relative;
}

.page-faq__security-panel::before {
  content: "SECURE";
  position: absolute;
  top: -12px;
  left: 16px;
  background: var(--color-bg-primary);
  color: var(--color-accent-green);
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.12em;
  padding: 2px 8px;
  border: 2px solid var(--color-line);
}

.page-faq__security-panel h3 {
  font-family: var(--font-heading);
  font-size: 20px;
  margin: 12px 0 16px;
}

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

.page-faq__security-list li {
  display: flex;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--color-line);
  line-height: 1.7;
  font-size: 15px;
  color: var(--color-text-primary);
}

.page-faq__security-list li:last-child {
  border-bottom: 0;
}

.page-faq__security-list a {
  color: var(--color-accent-green);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.page-faq__security-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-accent-green);
  flex-shrink: 0;
  margin-top: 9px;
  box-shadow: 0 0 0 4px rgba(0, 255, 136, 0.14);
}

.page-faq__contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  align-items: center;
}

.page-faq__contact-grid h3 {
  font-family: var(--font-heading);
  font-size: 22px;
  margin: 0 0 18px;
}

.page-faq__contact-grid img {
  width: 100%;
  max-width: 300px;
  height: auto;
  display: block;
  border: 2px solid var(--color-line);
  justify-self: center;
}

.page-faq__contact-list {
  list-style: none;
  padding: 0;
  margin: 0 0 20px;
}

.page-faq__contact-list li {
  display: flex;
  flex-direction: column;
  padding: 12px 0;
  border-bottom: 1px solid var(--color-line);
}

.page-faq__contact-label {
  font-family: var(--font-data);
  font-size: 12px;
  color: var(--color-accent-green);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.page-faq__contact-value {
  font-size: 18px;
  font-weight: 700;
  margin-top: 4px;
  color: var(--color-text-primary);
  word-break: break-word;
}

.page-faq__contact-note {
  font-size: 13px;
  color: var(--color-text-secondary);
  background: rgba(0, 255, 136, 0.06);
  border-left: 3px solid var(--color-accent-green);
  padding: 12px 14px;
  line-height: 1.7;
}

.page-faq__contact-action {
  margin-top: 16px;
  font-size: 14px;
  color: var(--color-text-secondary);
}

.page-faq__contact-action a {
  color: var(--color-accent-yellow);
  text-decoration: underline;
  text-underline-offset: 2px;
}

@media (min-width: 900px) {
  .page-faq__layout {
    grid-template-columns: var(--faq-index-width) minmax(0, 1fr);
    gap: 64px;
  }

  .page-faq__index {
    order: 0;
  }

  .page-faq__hero {
    padding: 64px 0 44px;
  }

  .page-faq .faq-tutorial__grid {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  }

  .page-faq .faq-tutorial__media {
    align-self: center;
  }

  .page-faq .faq-tutorial__media img {
    height: auto;
  }

  .page-faq__security-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq__contact-grid {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
  }
}