.page-faq{
  --faq-line: rgba(0,229,255,.16);
  --faq-grid: rgba(0,229,255,.05);
  --faq-panel: rgba(26,32,40,.86);
  position: relative;
  padding-bottom: 64px;
  background:
    radial-gradient(80% 40% at 88% 0%, rgba(157,78,221,.14), transparent 62%),
    linear-gradient(180deg, var(--bg-deep), var(--bg-deep));
}

.faq-hero{
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--border);
}

.faq-hero::before{
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(var(--faq-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--faq-grid) 1px, transparent 1px);
  background-size: 36px 36px;
  mask-image: linear-gradient(180deg, #000 0%, rgba(0,0,0,.4) 100%);
}

.faq-hero::after{
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--cyan), var(--purple));
}

.faq-hero-inner{
  position: relative;
  padding-top: 32px;
}

.faq-kicker{
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 24px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--gray);
}

.faq-kicker-dot{
  width: 8px;
  height: 8px;
  background: var(--cyan);
  box-shadow: 0 0 12px rgba(0,229,255,.8);
  transform: rotate(45deg);
  flex: 0 0 auto;
}

.faq-hero-title{
  margin: 16px 0 0;
  font-family: var(--font-title);
  font-size: clamp(2rem, 6vw, 3.6rem);
  line-height: 1.15;
  letter-spacing: .01em;
  color: var(--white);
  max-width: 12em;
}

.faq-hero-sub{
  margin: 18px 0 0;
  max-width: 42em;
  color: var(--gray);
  font-size: 15px;
  line-height: 1.85;
}

.faq-stats{
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin-top: 28px;
}

.faq-stat{
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 12px 14px;
  background: rgba(26,32,40,.72);
  border-top: 1px solid var(--border);
  border-left: 2px solid var(--cyan);
}

.faq-stat strong{
  font-family: var(--font-title);
  font-size: 1.6rem;
  color: var(--cyan);
}

.faq-stat span{
  font-size: 12px;
  color: var(--gray);
}

.faq-search-panel{
  margin-top: 28px;
  padding: 20px;
  background: var(--faq-panel);
  border: 1px solid var(--border);
  position: relative;
  box-shadow: var(--shadow-panel);
}

.faq-search-panel::before{
  content: "";
  position: absolute;
  left: -1px;
  top: 14px;
  bottom: 14px;
  width: 3px;
  background: var(--cyan);
}

.faq-search-head{
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-title);
  font-size: 14px;
  letter-spacing: .08em;
  color: var(--white);
}

.faq-search-symbol{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  background: rgba(0,229,255,.12);
  color: var(--cyan);
  font-size: 20px;
  line-height: 1;
}

.faq-search-input{
  width: 100%;
  margin-top: 14px;
  padding: 12px 14px;
  background: var(--bg-deep);
  border: 1px solid var(--border);
  color: var(--white);
  font-family: var(--font-body);
  font-size: 14px;
  outline: none;
  transition: border-color .2s var(--ease), box-shadow .2s var(--ease);
}

.faq-search-input::placeholder{
  color: rgba(160,170,181,.6);
}

.faq-search-input:focus-visible{
  border-color: var(--cyan);
  box-shadow: 0 0 0 2px rgba(0,229,255,.2);
}

.faq-search-tags{
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.faq-tag{
  display: inline-block;
  padding: 6px 10px;
  border: 1px solid rgba(157,78,221,.55);
  color: #c7b0ff;
  font-family: var(--font-mono);
  font-size: 12px;
  text-decoration: none;
  transition: background-color .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease);
}

.faq-tag:hover{
  background: rgba(157,78,221,.18);
  border-color: var(--purple);
  color: var(--white);
}

.faq-tag:focus-visible{
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.faq-search-meta{
  margin: 14px 0 0;
  font-size: 12px;
  color: var(--gray);
}

.faq-hero-visual{
  position: relative;
  margin-top: 32px;
  padding: 8px;
  background: linear-gradient(135deg, rgba(0,229,255,.5), rgba(157,78,221,.5));
}

.faq-hero-visual::after{
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  border-right: 34px solid var(--purple);
  border-top: 34px solid transparent;
  pointer-events: none;
}

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

.faq-cats-section{
  padding: 40px 0 8px;
}

.faq-cats{
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.faq-cat{
  position: relative;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  background: linear-gradient(135deg, rgba(26,32,40,.9), rgba(26,32,40,.55));
  border: 1px solid var(--border);
  color: var(--white);
  text-decoration: none;
  transition: transform .18s var(--ease), border-color .18s var(--ease);
}

.faq-cat:hover{
  transform: translateY(-2px);
  border-color: var(--border-strong);
}

.faq-cat:focus-visible{
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.faq-cat-index{
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--purple);
  flex: 0 0 auto;
}

.faq-cat-name{
  font-family: var(--font-title);
  font-size: 15px;
  letter-spacing: .04em;
}

.faq-cat-arrow{
  margin-left: auto;
  color: var(--cyan);
  font-size: 18px;
  transition: transform .18s var(--ease);
}

.faq-cat:hover .faq-cat-arrow{
  transform: translateX(4px);
}

.faq-block{
  position: relative;
  padding: 48px 0 40px;
  border-bottom: 1px solid var(--border);
}

.faq-block-device{
  background:
    linear-gradient(180deg, rgba(0,229,255,.04), transparent 180px),
    var(--bg-deep);
}

.faq-block-region{
  background:
    linear-gradient(180deg, rgba(157,78,221,.05), transparent 160px),
    var(--bg-deep);
}

.faq-block-grid{
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
}

.faq-block-header{
  position: relative;
  padding-left: 16px;
  border-left: 3px solid var(--cyan);
}

.faq-block-index{
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--cyan);
}

.faq-block-title{
  margin: 10px 0 0;
  font-family: var(--font-title);
  font-size: 1.7rem;
  line-height: 1.25;
  color: var(--white);
}

.faq-block-desc{
  margin: 10px 0 0;
  color: var(--gray);
  font-size: 14px;
  line-height: 1.7;
}

.faq-accordion{
  display: grid;
  gap: 12px;
}

.faq-item{
  background: rgba(26,32,40,.78);
  border: 1px solid var(--border);
  transition: border-color .2s var(--ease), background-color .2s var(--ease), box-shadow .2s var(--ease);
}

.faq-item[open]{
  border-color: rgba(0,229,255,.4);
  background: rgba(26,32,40,.96);
  box-shadow: var(--shadow-panel);
}

.faq-q{
  list-style: none;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 18px 20px;
  cursor: pointer;
  font-family: var(--font-title);
  font-size: 15px;
  line-height: 1.5;
  color: var(--white);
  user-select: none;
  transition: color .2s var(--ease);
}

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

.faq-q:hover{
  color: var(--cyan);
}

.faq-item[open] .faq-q{
  color: var(--cyan);
}

.faq-q-mark{
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.4;
  color: var(--purple);
  background: rgba(157,78,221,.14);
  border: 1px solid rgba(157,78,221,.35);
  padding: 2px 6px;
  flex: 0 0 auto;
}

.faq-q-arrow{
  position: relative;
  width: 20px;
  height: 20px;
  margin-left: auto;
  flex: 0 0 20px;
  align-self: center;
}

.faq-q-arrow::before,
.faq-q-arrow::after{
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  background: var(--cyan);
  transition: transform .2s var(--ease), opacity .2s var(--ease);
}

.faq-q-arrow::before{
  width: 14px;
  height: 2px;
  transform: translate(-50%, -50%);
}

.faq-q-arrow::after{
  width: 2px;
  height: 14px;
  transform: translate(-50%, -50%);
}

.faq-item[open] .faq-q-arrow::after{
  opacity: 0;
  transform: translate(-50%, -50%) rotate(90deg);
}

.faq-a{
  padding: 0 20px 20px;
  color: var(--gray);
  font-size: 14px;
  line-height: 1.85;
}

.faq-a p{
  margin: 0 0 12px;
}

.faq-a p:last-child{
  margin-bottom: 0;
}

.faq-inline-link{
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(0,229,255,.45);
  transition: border-color .18s var(--ease);
}

.faq-inline-link:hover{
  border-color: var(--cyan);
}

.faq-inline-link:focus-visible{
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.faq-device-visual{
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin: 12px 0 0;
  padding: 8px;
  background: rgba(26,32,40,.6);
  border: 1px solid var(--border);
}

.faq-device-visual img{
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
}

.faq-device-caption{
  margin: 0;
  font-size: 12px;
  color: var(--gray);
  text-align: center;
  letter-spacing: .06em;
}

.faq-contact{
  position: relative;
  padding: 48px 0 0;
  background:
    linear-gradient(180deg, rgba(157,78,221,.08), transparent 120px),
    var(--bg-deep);
}

.faq-contact::before{
  content: "";
  display: block;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--purple), var(--cyan), transparent);
}

.faq-contact-header{
  margin: 32px 0 24px;
}

.faq-contact-index{
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--purple);
}

.faq-contact-title{
  margin: 10px 0 0;
  font-family: var(--font-title);
  font-size: 1.7rem;
  color: var(--white);
}

.faq-contact-desc{
  margin: 10px 0 0;
  max-width: 44em;
  color: var(--gray);
  font-size: 14px;
  line-height: 1.7;
}

.faq-contact-grid{
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-top: 28px;
}

.faq-contact-card{
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 22px 20px;
  background: rgba(26,32,40,.82);
  border: 1px solid var(--border);
}

.faq-contact-card::after{
  content: "";
  position: absolute;
  right: -1px;
  bottom: -1px;
  width: 22px;
  height: 22px;
  background: linear-gradient(135deg, transparent 50%, rgba(0,229,255,.75) 50%);
}

.faq-contact-label{
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--purple);
}

.faq-contact-value{
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--white);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  word-break: break-all;
  transition: border-color .18s var(--ease), color .18s var(--ease);
}

.faq-contact-value:hover{
  color: var(--cyan);
  border-bottom-color: rgba(0,229,255,.5);
}

.faq-contact-value:focus-visible{
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.faq-contact-note{
  margin: 0;
  font-size: 12px;
  color: var(--gray);
  line-height: 1.6;
}

.faq-contact-strip{
  margin-top: 28px;
  padding: 20px;
  background: rgba(26,32,40,.6);
  border-left: 3px solid var(--purple);
  color: var(--gray);
  font-size: 13px;
  line-height: 1.8;
  text-align: center;
}

.faq-contact-strip p{
  margin: 0 0 8px;
}

.faq-contact-strip p:last-child{
  margin: 0;
}

@media (min-width: 900px){
  .page-faq{
    padding-bottom: 96px;
  }

  .faq-hero-inner{
    padding-top: 44px;
  }

  .faq-hero-grid{
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(320px, .8fr);
    gap: 48px;
    align-items: start;
  }

  .faq-hero-title{
    font-size: clamp(2.8rem, 4.6vw, 4.2rem);
  }

  .faq-search-panel{
    margin-top: 0;
  }

  .faq-stats{
    grid-template-columns: repeat(4, 1fr);
    max-width: 720px;
  }

  .faq-hero-visual{
    margin-top: 40px;
  }

  .faq-cats-section{
    padding: 40px 0 0;
  }

  .faq-cats{
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
  }

  .faq-cat{
    padding: 18px 16px;
  }

  .faq-block{
    padding: 72px 0 64px;
  }

  .faq-block-grid{
    grid-template-columns: minmax(260px, .34fr) minmax(0, .9fr);
    gap: 56px;
    align-items: start;
  }

  .faq-device-visual{
    grid-column: 1 / -1;
    grid-template-columns: 320px 1fr;
    align-items: center;
    gap: 24px;
    margin-top: 16px;
  }

  .faq-device-caption{
    margin: 0;
    text-align: left;
    font-size: 14px;
  }

  .faq-contact{
    padding: 64px 0 0;
  }

  .faq-contact-grid{
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
  }

  .faq-contact-card{
    padding: 26px 22px;
  }

  .faq-contact-strip{
    padding: 24px 32px;
  }
}