.oss-faq {
  position: relative;
  isolation: isolate;
  padding: 100px 0;
  background: #f5f5f5;
  color: #0a0a0f;
}
.oss-faq::before {
  content: "";
  position: absolute;
  inset: 0;
  margin-inline: calc(50% - 50vw);
  background: #f5f5f5;
  z-index: -1;
  pointer-events: none;
}
.oss-faq__inner {
  max-width: 1680px;
  margin: 0 auto;
  padding: 0 56px;
}
.oss-faq__grid {
  display: grid;
  grid-template-columns: minmax(0, 0.78fr) minmax(0, 1.22fr);
  gap: 80px;
  align-items: start;
}
.oss-faq__left {
  position: sticky;
  top: 96px;
}
.oss-faq__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--oss-cyan);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-bottom: 24px;
}
.oss-faq__eyebrow-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--oss-cyan);
  box-shadow:
    0 0 0 4px rgba(0, 204, 255, 0.18),
    0 0 18px rgba(0, 204, 255, 0.45);
}
.oss-faq__title {
  font-family: var(--oss-display);
  font-size: clamp(36px, 4.1vw, 56px);
  line-height: 1.04;
  letter-spacing: -0.03em;
  font-weight: 900;
  margin: 0 0 36px;
  color: #0a0a0f;
  text-wrap: balance;
}
.oss-faq__title em {
  color: var(--oss-cyan);
  font-style: normal;
  font-weight: 900;
}
.oss-faq__cta-line {
  font-size: 16px;
  color: #4a4a55;
  margin: 0 0 18px;
}
.oss-faq__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid #e5e5e5;
}
.oss-faq-item {
  border-bottom: 1px solid #e5e5e5;
}
.oss-faq .oss-faq-item__head {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 26px 0;
  background: none;
  border: 0;
  cursor: pointer;
  font: inherit;
  text-align: left;
  color: #0a0a0f;
}
.oss-faq-item__q {
  font-family: var(--oss-display);
  font-size: 21px;
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.015em;
  color: #0a0a0f;
  transition: color 0.3s ease;
}
.oss-faq-item__toggle {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1.5px solid rgba(10, 10, 15, 0.2);
  background: transparent;
  color: #0a0a0f;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition:
    background 0.3s ease,
    color 0.3s ease,
    border-color 0.3s ease;
}
.oss-faq-item__reveal {
  display: grid;
  grid-template-rows: 0fr;
  transition:
    grid-template-rows 0.35s ease,
    opacity 0.3s ease;
  opacity: 0;
}
.oss-faq-item__reveal-inner {
  overflow: hidden;
  min-height: 0;
}
.oss-faq-item__a {
  font-size: 17px;
  line-height: 1.6;
  color: #4a4a55;
  margin: 0;
  padding: 0 64px 28px 0;
  max-width: 70ch;
  text-wrap: pretty;
}
.oss-faq-item.oss-is-open .oss-faq-item__q {
  color: var(--oss-cyan);
}
.oss-faq-item.oss-is-open .oss-faq-item__toggle {
  background: var(--oss-cyan);
  border-color: var(--oss-cyan);
  color: #0a0a0f;
}
.oss-faq-item.oss-is-open .oss-faq-item__reveal {
  grid-template-rows: 1fr;
  opacity: 1;
}
.oss-faq-item .oss-icon-plus,
.oss-faq-item .oss-icon-minus {
  display: none;
}
.oss-faq-item:not(.oss-is-open) .oss-icon-plus {
  display: block;
}
.oss-faq-item.oss-is-open .oss-icon-minus {
  display: block;
}
@media (max-width: 1180px) {
  .oss-faq__inner {
    padding: 0 32px;
  }
  .oss-faq__grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .oss-faq__left {
    position: static;
  }
}
@media (max-width: 768px) {
  .oss-faq {
    padding: 100px 0;
  }
  .oss-faq__inner {
    padding: 0px;
  }
  .oss-faq-item__q {
    font-size: 18px;
  }
}
.oss-faq-list {
  margin-top: 56px;
  border-top: 1px solid #e5e5e5;
}
.oss-faq-row {
  border-bottom: 1px solid #e5e5e5;
}
.oss-faq-list .oss-faq-q {
  appearance: none;
  background: none;
  border: 0;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  text-align: left;
  padding: 30px 0;
  cursor: pointer;
  font-family: var(--oss-display);
  font-weight: 700;
  font-size: 21px;
  letter-spacing: -0.015em;
  color: #0a0a0f;
  transition: color 0.2s ease;
}
.oss-faq-list .oss-faq-q:hover {
  color: var(--oss-cyan);
}
.oss-faq-ico {
  width: 38px;
  height: 38px;
  border-radius: 999px;
  border: 1px solid #e5e5e5;
  color: #0a0a0f;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  transition:
    color 0.2s ease,
    border-color 0.2s ease;
}
.oss-faq-ico svg {
  width: 15px;
  height: 15px;
}
.oss-faq-ico__v {
  transition:
    opacity 0.2s ease,
    transform 0.2s ease;
  transform-origin: center;
}
.oss-faq-q[aria-expanded="true"] .oss-faq-ico {
  color: var(--oss-cyan);
  border-color: var(--oss-cyan);
}
.oss-faq-q[aria-expanded="true"] .oss-faq-ico__v {
  opacity: 0;
  transform: rotate(90deg);
}
.oss-faq-a {
  padding: 0 0 32px;
  max-width: 76ch;
}
@media (max-width: 760px) {
  .oss-faq-q {
    font-size: 19px;
  }
}