.faq-hero {
  position: relative;
  color: #ffffff;
  background-image: url("../images/hero-structural-steel.jpg");
  background-position: center;
  background-size: cover;
}

.faq-hero::before {
  position: absolute;
  inset: 0;
  content: "";
  background: rgba(21, 24, 29, 0.76);
}

.faq-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  align-items: end;
  min-height: 420px;
  gap: 46px;
  padding: 58px 0;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 34px;
  color: rgba(255, 255, 255, 0.74);
  font-size: 0.88rem;
  font-weight: 700;
}

.breadcrumb a {
  color: #ffffff;
}

.breadcrumb span::before {
  content: "/";
  margin-right: 10px;
  color: rgba(255, 255, 255, 0.42);
}

.faq-hero .section-eyebrow {
  color: var(--color-warning);
}

.faq-hero h1 {
  margin: 0;
  font-size: clamp(2.55rem, 5vw, 5rem);
  line-height: 0.98;
}

.faq-hero p:not(.section-eyebrow) {
  max-width: 780px;
  margin: 20px 0 0;
  color: rgba(255, 255, 255, 0.78);
  font-size: clamp(1rem, 1.7vw, 1.18rem);
}

.faq-hero__panel {
  padding: 26px;
  color: var(--color-ink);
  background: rgba(255, 255, 255, 0.94);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
}

.faq-hero__panel span {
  display: block;
  margin-bottom: 10px;
  color: var(--color-accent);
  font-size: 0.82rem;
  font-weight: 800;
  text-transform: uppercase;
}

.faq-hero__panel strong {
  display: block;
  margin-bottom: 14px;
  font-size: 1.28rem;
  line-height: 1.25;
}

.faq-tools {
  position: sticky;
  top: 123px;
  z-index: 70;
  background: #ffffff;
  border-bottom: 1px solid var(--color-line);
  box-shadow: 0 10px 24px rgba(21, 24, 29, 0.05);
}

.faq-tools__inner {
  display: grid;
  grid-template-columns: minmax(260px, 0.72fr) minmax(0, 1fr);
  align-items: center;
  gap: 22px;
  min-height: 92px;
}

.faq-search {
  display: grid;
  gap: 6px;
  color: var(--color-ink-soft);
  font-size: 0.86rem;
  font-weight: 800;
}

.faq-search input {
  width: 100%;
  min-height: 44px;
  padding: 10px 12px;
  color: var(--color-ink);
  background: var(--color-surface-soft);
  border: 1px solid var(--color-line);
  border-radius: 6px;
}

.faq-search input:focus {
  outline: 3px solid rgba(201, 51, 29, 0.18);
  border-color: var(--color-accent);
}

.faq-filter {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}

.faq-filter button {
  min-height: 38px;
  padding: 0 12px;
  color: var(--color-ink-soft);
  font-size: 0.82rem;
  font-weight: 800;
  background: #ffffff;
  border: 1px solid var(--color-line);
  border-radius: 6px;
}

.faq-filter button:hover,
.faq-filter button:focus,
.faq-filter button.is-active {
  color: #ffffff;
  background: var(--color-accent);
  border-color: var(--color-accent);
}

.faq-content-section {
  background: var(--color-surface-soft);
}

.faq-layout {
  display: grid;
  grid-template-columns: 310px minmax(0, 1fr);
  align-items: start;
  gap: 34px;
}

.faq-sidebar {
  position: sticky;
  top: 240px;
  display: grid;
  gap: 10px;
  padding: 22px;
  background: #ffffff;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
}

.faq-sidebar h2 {
  margin: 0 0 8px;
  font-size: 1.35rem;
  line-height: 1.15;
}

.faq-sidebar a {
  padding: 12px 0;
  color: var(--color-ink-soft);
  font-size: 0.92rem;
  font-weight: 800;
  border-top: 1px solid var(--color-line);
}

.faq-sidebar a:hover,
.faq-sidebar a:focus {
  color: var(--color-accent);
}

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

.faq-item {
  background: #ffffff;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  box-shadow: 0 8px 22px rgba(21, 24, 29, 0.04);
}

.faq-item[hidden] {
  display: none;
}

.faq-item details {
  overflow: hidden;
  border-radius: var(--radius);
}

.faq-item summary {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 76px;
  padding: 18px 58px 18px 22px;
  list-style: none;
  cursor: pointer;
}

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

.faq-item summary::after {
  position: absolute;
  top: 50%;
  right: 22px;
  width: 30px;
  height: 30px;
  content: "+";
  color: #ffffff;
  font-size: 1.4rem;
  font-weight: 600;
  line-height: 28px;
  text-align: center;
  background: var(--color-accent);
  border-radius: 6px;
  transform: translateY(-50%);
}

.faq-item details[open] summary::after {
  content: "-";
}

.faq-item h2 {
  margin: 0;
  color: var(--color-ink);
  font-size: 1.08rem;
  line-height: 1.35;
}

.faq-answer {
  padding: 0 22px 22px;
  color: var(--color-muted);
}

.faq-answer p,
.faq-answer ul {
  margin: 12px 0 0;
}

.faq-answer a {
  color: var(--color-accent);
  font-weight: 800;
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}

.keyword-map {
  margin-top: 28px;
  padding: 28px;
  background: #ffffff;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
}

.keyword-map h2 {
  margin: 0 0 20px;
  color: var(--color-ink);
  font-size: clamp(1.55rem, 3vw, 2.2rem);
  line-height: 1.12;
}

.keyword-map__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.keyword-map details {
  background: var(--color-surface-soft);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
}

.keyword-map summary {
  padding: 14px 16px;
  color: var(--color-ink);
  font-weight: 800;
  cursor: pointer;
}

.keyword-map ul {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0 16px 16px;
  list-style: none;
}

.keyword-map a {
  color: var(--color-ink-soft);
  font-size: 0.9rem;
  font-weight: 700;
}

.keyword-map a:hover,
.keyword-map a:focus {
  color: var(--color-accent);
}

.faq-contact-strip {
  margin-top: 28px;
  padding: 28px;
  color: #ffffff;
  background: var(--color-surface-strong);
  border-radius: var(--radius);
}

.faq-contact-strip h2 {
  margin: 0;
  color: #ffffff;
  font-size: clamp(1.45rem, 3vw, 2.2rem);
  line-height: 1.15;
}

.faq-contact-strip h2 a {
  color: var(--color-warning);
}

.faq-contact-strip p {
  margin: 14px 0 0;
  color: rgba(255, 255, 255, 0.74);
}

@media (max-width: 1080px) {
  .faq-hero__inner,
  .faq-tools__inner,
  .faq-layout,
  .keyword-map__grid {
    grid-template-columns: 1fr;
  }

  .faq-tools {
    position: static;
  }

  .faq-filter {
    justify-content: flex-start;
    padding-bottom: 18px;
  }

  .faq-sidebar {
    position: static;
  }
}

@media (max-width: 640px) {
  .faq-hero__inner {
    min-height: auto;
    padding: 46px 0;
  }

  .breadcrumb {
    margin-bottom: 24px;
  }

  .faq-tools__inner {
    gap: 16px;
    padding: 16px 0;
  }

  .faq-item summary {
    min-height: 70px;
    padding: 16px 52px 16px 16px;
  }

  .faq-item summary::after {
    right: 16px;
  }

  .faq-answer {
    padding: 0 16px 18px;
  }
}