/* Shared pages for steel standards and professional buyer FAQs. */
.solution-detail {
  color: var(--ink);
  background: #f7f7f5;
}

.solution-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(4.5rem, 8vw, 7.5rem) 0;
  color: var(--white);
  background: var(--navy);
}

.solution-hero__image,
.solution-hero__shade {
  position: absolute;
  z-index: 0;
  inset: 0;
  width: 100%;
  height: 100%;
}

.solution-hero__image {
  object-fit: cover;
  object-position: center;
}

.solution-hero__shade {
  z-index: 1;
  background: linear-gradient(90deg, rgba(3, 30, 62, .97) 0%, rgba(3, 30, 62, .91) 43%, rgba(3, 30, 62, .66) 70%, rgba(3, 30, 62, .45) 100%);
}

.solution-hero::before,
.solution-hero::after {
  position: absolute;
  z-index: 2;
  border: 1px solid rgba(245, 179, 38, .12);
  border-radius: 50%;
  content: "";
}

.solution-hero::before {
  width: 32rem;
  height: 32rem;
  top: -21rem;
  right: 3vw;
}

.solution-hero::after {
  width: 18rem;
  height: 18rem;
  right: 17vw;
  bottom: -13rem;
}

.solution-hero__grid {
  position: relative;
  z-index: 3;
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(18rem, .65fr);
  gap: clamp(3rem, 8vw, 8rem);
  align-items: end;
}

.solution-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: .55rem;
  margin: 0 0 2rem;
  color: rgba(255, 255, 255, .68);
  font-size: .78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .1em;
}

.solution-breadcrumb a {
  text-decoration: none;
}

.solution-breadcrumb a:hover {
  color: var(--accent);
}

.solution-hero h1 {
  display: block !important;
  visibility: visible !important;
  opacity: 1 !important;
  max-width: 14ch;
  margin: .8rem 0 1.3rem;
  color: var(--white) !important;
  font-size: clamp(2.8rem, 5.6vw, 5.8rem);
  line-height: .98;
  letter-spacing: -.055em;
}

.solution-hero__grid > div > p:not(.solution-breadcrumb, .eyebrow) {
  max-width: 48rem;
  margin: 0 0 2rem;
  color: rgba(255, 255, 255, .78);
  font-size: clamp(1rem, 1.5vw, 1.25rem);
}

.solution-hero__note {
  padding: 1.75rem;
  border-left: .25rem solid var(--accent);
  background: rgba(255, 255, 255, .06);
}

.solution-hero__note strong {
  display: block;
  margin-bottom: .65rem;
  color: var(--accent);
  font-size: 1.05rem;
}

.solution-hero__note p {
  margin: 0;
  color: rgba(255, 255, 255, .78);
}

.solution-section {
  padding: clamp(4.5rem, 7vw, 7rem) 0;
  background: #f7f7f5;
}

.solution-section--soft {
  background: #f7f7f5;
}

.solution-heading {
  margin-bottom: clamp(2.25rem, 4vw, 3.75rem);
}

.solution-heading--split {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(17rem, .65fr);
  gap: clamp(2rem, 6vw, 6rem);
  align-items: end;
}

.solution-heading h2 {
  max-width: 16ch;
  margin: .8rem 0 0;
  font-size: clamp(2.2rem, 4vw, 4.25rem);
  line-height: 1.02;
  letter-spacing: -.045em;
}

.solution-heading > p,
.solution-heading--split > p {
  max-width: 42rem;
  margin: 0;
  color: var(--muted);
}

.solution-heading > h2 + p {
  margin-top: 1.25rem;
}

.standards-systems {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.standards-systems article {
  min-height: 15rem;
  padding: 2rem;
  border: 1px solid var(--line);
  border-radius: 1rem;
  background: var(--white);
}

.standards-systems article > span,
.grade-groups article > span {
  display: inline-flex;
  align-items: center;
  min-height: 2.2rem;
  padding: .35rem .75rem;
  border-radius: 999px;
  color: var(--navy);
  background: var(--accent);
  font-size: .78rem;
  font-weight: 900;
  letter-spacing: .06em;
}

.standards-systems h3 {
  margin: 2.3rem 0 .55rem;
  font-size: 1.35rem;
}

.standards-systems p,
.grade-groups p {
  margin: 0;
  color: var(--muted);
}

.standards-table-wrap {
  overflow-x: auto;
  border-radius: 1rem;
  box-shadow: var(--shadow);
}

.standards-table {
  width: 100%;
  min-width: 62rem;
  border-collapse: collapse;
  background: var(--white);
}

.standards-table th,
.standards-table td {
  padding: 1.35rem 1.5rem;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.standards-table thead th {
  color: var(--white);
  background: var(--navy);
  font-size: .86rem;
}

.standards-table tbody th {
  width: 18%;
  color: var(--navy);
}

.standards-table tbody td {
  color: #52627a;
  font-size: .94rem;
}

.standards-table tbody tr:last-child > * {
  border-bottom: 0;
}

.grade-groups {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.grade-groups article {
  padding: 2rem;
  border: 1px solid var(--line);
  border-radius: 1rem;
  background: #fff;
}

.grade-groups h3 {
  margin: 1.4rem 0 .65rem;
  font-size: clamp(1.2rem, 2vw, 1.55rem);
}

.solution-section--navy {
  color: var(--white);
  background: var(--navy);
}

.specification-layout {
  display: grid;
  grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr);
  gap: clamp(3rem, 7vw, 7rem);
  align-items: start;
}

.specification-layout h2 {
  margin: .8rem 0 1rem;
  font-size: clamp(2.25rem, 4.5vw, 4.5rem);
  line-height: 1;
  letter-spacing: -.045em;
  color:#fff
}

.specification-layout > div > p:last-child {
  color: rgba(255, 255, 255, .7);
}

.specification-checklist {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  padding: 0;
  margin: 0;
  list-style: none;
}

.specification-checklist li {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  padding: 1.35rem;
  border: 1px solid rgba(255, 255, 255, .13);
  border-radius: .8rem;
}

.specification-checklist li > span {
  display: grid;
  width: 2.2rem;
  height: 2.2rem;
  flex: 0 0 auto;
  place-items: center;
  border-radius: .55rem;
  color: var(--navy);
  background: var(--accent);
  font-weight: 900;
}

.specification-checklist strong,
.specification-checklist small {
  display: block;
}

.specification-checklist small {
  margin-top: .35rem;
  color: rgba(255, 255, 255, .66);
  font-size: .82rem;
}

.faq-layout {
  display: grid;
  grid-template-columns: 16rem minmax(0, 1fr);
  gap: clamp(2.5rem, 6vw, 6rem);
  align-items: start;
}

.faq-categories {
  position: sticky;
  top: calc(var(--header-height) + 2rem);
  display: grid;
  gap: .25rem;
  padding: 1.35rem;
  border-radius: .85rem;
  background: #fff;
}

.faq-categories strong {
  margin-bottom: .7rem;
  color: var(--navy);
}

.faq-categories a {
  padding: .55rem .7rem;
  border-radius: .5rem;
  color: var(--muted);
  font-size: .88rem;
  font-weight: 700;
  text-decoration: none;
}

.faq-categories a:hover {
  color: var(--navy);
  background: var(--white);
}

.faq-groups {
  display: grid;
  gap: 4rem;
}

.faq-group {
  scroll-margin-top: calc(var(--header-height) + 2rem);
}

.faq-group__index {
  margin: 0 0 .35rem;
  color: var(--accent-dark);
  font-size: .8rem;
  font-weight: 900;
  letter-spacing: .1em;
}

.faq-group > h2 {
  margin: 0 0 1.25rem;
  font-size: clamp(1.7rem, 3vw, 2.45rem);
}

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

.faq-item {
  border-bottom: 1px solid var(--line);
}

.faq-item summary {
  display: flex;
  gap: 1.5rem;
  align-items: center;
  justify-content: space-between;
  padding: 1.45rem 0;
  color: var(--navy);
  cursor: pointer;
  font-size: 1.05rem;
  font-weight: 800;
  list-style: none;
}

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

.faq-item summary b {
  position: relative;
  width: 2rem;
  height: 2rem;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--accent);
}

.faq-item summary b::before,
.faq-item summary b::after {
  position: absolute;
  top: 50%;
  left: 50%;
  width: .7rem;
  height: 2px;
  background: var(--navy);
  content: "";
  transform: translate(-50%, -50%);
}

.faq-item summary b::after {
  transform: translate(-50%, -50%) rotate(90deg);
  transition: transform .2s ease;
}

.faq-item[open] summary b::after {
  transform: translate(-50%, -50%) rotate(0);
}

.faq-item > div {
  max-width: 52rem;
  padding: 0 3.5rem 1.5rem 0;
}

.faq-item p {
  margin: 0;
  color: var(--muted);
}

.solution-cta {
  padding: clamp(3.5rem, 6vw, 5.5rem) 0;
  background: var(--surface);
}

.solution-cta__inner {
  display: flex;
  gap: 2rem;
  align-items: end;
  justify-content: space-between;
  padding: clamp(2rem, 4vw, 3.5rem);
  border-radius: 1rem;
  background: var(--white);
  box-shadow: var(--shadow);
}

.solution-cta h2 {
  margin: .7rem 0 .7rem;
  font-size: clamp(2rem, 3.5vw, 3.5rem);
  line-height: 1;
  letter-spacing: -.04em;
}

.solution-cta p:last-child {
  max-width: 48rem;
  margin: 0;
  color: var(--muted);
}

.solution-cta .button {
  flex: 0 0 auto;
}

@media (max-width: 64rem) {
  .solution-hero__grid,
  .solution-heading--split,
  .specification-layout {
    grid-template-columns: 1fr;
  }

  .solution-hero__note {
    max-width: 42rem;
  }

  .standards-systems {
    grid-template-columns: repeat(2, 1fr);
  }

  .faq-layout {
    grid-template-columns: 1fr;
  }

  .faq-categories {
    position: static;
    grid-template-columns: repeat(2, 1fr);
  }

  .faq-categories strong {
    grid-column: 1 / -1;
  }
}

@media (max-width: 42rem) {
  .solution-hero h1 {
    font-size: clamp(2.55rem, 13vw, 4rem);
  }

  .standards-systems,
  .grade-groups,
  .specification-checklist,
  .faq-categories {
    grid-template-columns: 1fr;
  }

  .standards-systems article {
    min-height: 0;
  }

  .solution-cta__inner {
    align-items: stretch;
    flex-direction: column;
  }

  .solution-cta .button {
    width: 100%;
  }
}