/* ——— CFS Intro ——— */
.rb-cfs-intro {
  position: relative;
  overflow: hidden;
  background: var(--rb-dark);
}

.rb-cfs-intro__watermark {
  position: absolute;
  top: 10%;
  left: -10%;
  width: 70%;
  max-width: 1020px;
  opacity: 0.4;
  pointer-events: none;
}

.rb-cfs-intro__inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 40px;
  padding: 64px 24px;
}

@media (min-width: 768px) {
  .rb-cfs-intro__inner {
    flex-direction: row;
    align-items: flex-start;
    gap: 100px;
    padding: 120px;
  }
}

.rb-cfs-intro__headline {
  flex: 1;
  margin: 0;
  color: #fff;
  font-size: 22px;
  font-weight: 600;
  line-height: 1.35;
}

@media (min-width: 768px) {
  .rb-cfs-intro__headline {
    font-size: 26px;
    line-height: 36px;
  }
}

.rb-cfs-intro__body {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.rb-cfs-intro__body p {
  margin: 0;
  color: #fff;
  font-size: 18px;
  line-height: 28px;
}

@media (min-width: 768px) {
  .rb-cfs-intro__body p {
    font-size: 20px;
  }
}

/* ——— Engineered split ——— */
.rb-cfs-engineered {
  background: #f2f2f2;
}

.rb-cfs-engineered__grid {
  display: flex;
  flex-direction: column;
}

@media (min-width: 768px) {
  .rb-cfs-engineered__grid {
    flex-direction: row;
  }
}

.rb-cfs-engineered__copy {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 24px;
  padding: 64px 24px;
}

@media (min-width: 768px) {
  .rb-cfs-engineered__copy {
    gap: 32px;
    padding: 120px;
  }
}

.rb-cfs-engineered__copy h2 {
  margin: 0;
  font-size: 36px;
  font-weight: 700;
  line-height: 1.1;
  color: var(--rb-red);
}

@media (min-width: 768px) {
  .rb-cfs-engineered__copy h2 {
    font-size: 60px;
    line-height: 60px;
  }
}

.rb-cfs-engineered__copy p {
  margin: 0;
  white-space: pre-line;
  font-size: 18px;
  line-height: 28px;
  color: var(--rb-dark);
}

.rb-cfs-engineered__media {
  position: relative;
  min-height: 320px;
  width: 100%;
}

@media (min-width: 768px) {
  .rb-cfs-engineered__media {
    width: 50%;
    flex-shrink: 0;
    min-height: 0;
  }
}

.rb-cfs-engineered__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ——— Job ready ——— */
.rb-cfs-job-ready {
  position: relative;
  display: flex;
  height: 360px;
  align-items: center;
  overflow: hidden;
}

@media (min-width: 768px) {
  .rb-cfs-job-ready {
    height: 600px;
  }
}

.rb-cfs-job-ready__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  pointer-events: none;
}

.rb-cfs-job-ready__inner h2 {
  position: relative;
  z-index: 1;
  margin: 0;
  max-width: 500px;
  font-size: 56px;
  font-weight: 700;
  line-height: 1;
  color: var(--rb-red);
}

@media (min-width: 768px) {
  .rb-cfs-job-ready__inner h2 {
    font-size: 105px;
  }
}

/* ——— Advantage ——— */
.rb-cfs-advantage {
  background: var(--rb-dark);
  color: #fff;
}

.rb-cfs-advantage__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 48px;
  padding: 64px 24px;
}

@media (min-width: 768px) {
  .rb-cfs-advantage__inner {
    flex-direction: row;
    justify-content: space-between;
    gap: 64px;
    padding: 120px;
  }
}

.rb-cfs-advantage__copy {
  display: flex;
  width: 100%;
  flex-direction: column;
  gap: 40px;
}

@media (min-width: 768px) {
  .rb-cfs-advantage__copy {
    width: 667px;
    gap: 60px;
  }
}

.rb-cfs-advantage__copy h2 {
  margin: 0;
  font-size: 36px;
  font-weight: 700;
  line-height: 1.1;
}

@media (min-width: 768px) {
  .rb-cfs-advantage__copy h2 {
    font-size: 60px;
    line-height: 60px;
  }
}

.rb-cfs-advantage__copy > p {
  margin: 0;
  font-size: 18px;
  line-height: 28px;
}

.rb-cfs-advantage__row {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

@media (min-width: 768px) {
  .rb-cfs-advantage__row {
    flex-direction: row;
    align-items: center;
    gap: 60px;
  }
}

.rb-cfs-advantage__bullets {
  margin: 0;
  padding: 20px 24px;
  list-style: none;
  border-radius: 24px;
  background: var(--rb-grey);
}

@media (min-width: 768px) {
  .rb-cfs-advantage__bullets {
    width: 330px;
    flex-shrink: 0;
    padding: 24px;
  }
}

.rb-cfs-advantage__bullets li {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  font-size: 18px;
  line-height: 1.4;
}

.rb-cfs-advantage__bullets li span {
  margin-top: 8px;
  width: 8px;
  height: 8px;
  flex-shrink: 0;
  background: var(--rb-red);
}

.rb-cfs-advantage__cta-wrap {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.rb-cfs-advantage__cta-wrap p {
  margin: 0;
  font-size: 18px;
  line-height: 28px;
}

.rb-cfs-advantage__media {
  position: relative;
  width: 100%;
  max-width: 450px;
  aspect-ratio: 353 / 456;
  overflow: hidden;
}

.rb-cfs-advantage__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ——— Benefits accordion ——— */
.rb-cfs-benefits-acc {
  position: relative;
  overflow: hidden;
}

.rb-cfs-benefits-acc__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  pointer-events: none;
}

.rb-cfs-benefits-acc__overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.8);
}

.rb-cfs-benefits-acc__inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 40px;
  padding: 64px 24px;
}

@media (min-width: 768px) {
  .rb-cfs-benefits-acc__inner {
    flex-direction: row;
    gap: 100px;
    padding: 120px;
  }
}

.rb-cfs-benefits-acc__copy {
  flex: 1;
  color: #fff;
}

.rb-cfs-benefits-acc__copy h2 {
  margin: 0 0 24px;
  font-size: 36px;
  font-weight: 700;
  line-height: 1.1;
}

@media (min-width: 768px) {
  .rb-cfs-benefits-acc__copy h2 {
    font-size: 60px;
    line-height: 60px;
  }
}

.rb-cfs-benefits-acc__copy p {
  margin: 0;
  font-size: 18px;
  line-height: 28px;
}

/* ——— Accordion shared ——— */
.rb-cfs-accordion {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.rb-cfs-accordion__item {
  border-bottom: 1.5px solid var(--rb-red);
}

.rb-cfs-accordion__item.is-first {
  border-top: 1.5px solid var(--rb-red);
  padding-top: 24px;
}

.rb-cfs-accordion__trigger {
  display: flex;
  width: 100%;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 0 0 24px;
  border: 0;
  background: transparent;
  text-align: left;
  cursor: pointer;
  color: var(--rb-dark);
  font: inherit;
}

.rb-cfs-accordion--dark .rb-cfs-accordion__trigger {
  color: #fff;
}

.rb-cfs-accordion__trigger span:first-child {
  font-size: 22px;
  font-weight: 600;
  line-height: 28px;
}

@media (min-width: 768px) {
  .rb-cfs-accordion__trigger span:first-child {
    font-size: 26px;
  }
}

.rb-cfs-accordion__icon {
  position: relative;
  width: 24px;
  height: 24px;
  flex-shrink: 0;
}

.rb-cfs-accordion__icon::before,
.rb-cfs-accordion__icon::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  background: currentColor;
  transform: translate(-50%, -50%);
}

.rb-cfs-accordion__icon::before {
  width: 16px;
  height: 2px;
}

.rb-cfs-accordion__icon::after {
  width: 2px;
  height: 16px;
}

.rb-cfs-accordion__trigger[aria-expanded='true'] .rb-cfs-accordion__icon::after {
  display: none;
}

.rb-cfs-accordion__panel {
  padding-bottom: 24px;
}

.rb-cfs-accordion__panel p {
  margin: 0 0 12px;
  font-size: 18px;
  line-height: 1.4;
  color: var(--rb-dark);
}

.rb-cfs-accordion--dark .rb-cfs-accordion__panel p {
  color: #fff;
}

/* ——— Spec table ——— */
.rb-cfs-spec__head,
.rb-cfs-spec__row {
  display: flex;
}

.rb-cfs-spec__head {
  padding: 8px 16px;
  background: var(--rb-red);
  color: #fff;
  font-size: 14px;
  font-weight: 700;
}

@media (min-width: 768px) {
  .rb-cfs-spec__head {
    font-size: 16px;
  }
}

.rb-cfs-spec__head span:first-child,
.rb-cfs-spec__label {
  width: 160px;
  flex-shrink: 0;
}

@media (min-width: 768px) {
  .rb-cfs-spec__head span:first-child,
  .rb-cfs-spec__label {
    width: 200px;
  }
}

.rb-cfs-spec__row {
  border: 1px solid #acacac;
  border-top: 0;
  background: #fff;
}

.rb-cfs-spec__label,
.rb-cfs-spec__value {
  padding: 12px 16px;
  font-size: 14px;
  color: var(--rb-dark);
}

@media (min-width: 768px) {
  .rb-cfs-spec__label,
  .rb-cfs-spec__value {
    font-size: 16px;
  }
}

.rb-cfs-spec__label {
  border-right: 1px solid #acacac;
}

/* ——— Why cards ——— */
.rb-cfs-why {
  background: #fff;
}

.rb-cfs-why__inner {
  display: flex;
  flex-direction: column;
  gap: 40px;
  padding: 64px 24px;
}

@media (min-width: 768px) {
  .rb-cfs-why__inner {
    gap: 48px;
    padding: 120px;
  }
}

.rb-cfs-why__top {
  display: flex;
  flex-direction: column;
  gap: 40px;
}

@media (min-width: 768px) {
  .rb-cfs-why__top {
    flex-direction: row;
    gap: 48px;
  }
}

.rb-cfs-why__intro {
  flex: 1;
}

.rb-cfs-why__intro h2 {
  margin: 0 0 24px;
  font-size: 36px;
  font-weight: 700;
  line-height: 1.1;
  color: var(--rb-red);
}

@media (min-width: 768px) {
  .rb-cfs-why__intro h2 {
    font-size: 60px;
    line-height: 60px;
  }
}

.rb-cfs-why__intro p {
  margin: 0;
  font-size: 18px;
  line-height: 28px;
  color: var(--rb-dark);
}

.rb-cfs-why__rule {
  width: 120px;
  height: 2px;
  margin-top: 24px;
  background: var(--rb-red);
}

@media (min-width: 768px) {
  .rb-cfs-why__rule {
    width: 244px;
  }
}

.rb-cfs-why__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

@media (min-width: 640px) {
  .rb-cfs-why__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .rb-cfs-why__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 48px;
  }
}

.rb-cfs-card {
  display: flex;
  flex-direction: column;
  gap: 20px;
  padding: 24px;
  border-radius: 16px;
  background: #eee;
}

@media (min-width: 768px) {
  .rb-cfs-card {
    padding: 32px;
  }
}

.rb-cfs-card__icon {
  display: flex;
  width: 48px;
  height: 48px;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--rb-red);
}

.rb-cfs-card__icon::after {
  content: '';
  width: 12px;
  height: 12px;
  background: #fff;
}

@media (min-width: 768px) {
  .rb-cfs-card__icon {
    width: 64px;
    height: 64px;
  }

  .rb-cfs-card__icon::after {
    width: 16px;
    height: 16px;
  }
}

.rb-cfs-card h3 {
  margin: 0;
  font-size: 20px;
  font-weight: 600;
  line-height: 28px;
  color: var(--rb-dark);
}

.rb-cfs-card p {
  margin: 0;
  font-size: 18px;
  line-height: 1.4;
  color: var(--rb-dark);
}

/* ——— LVL section ——— */
.rb-cfs-lvl {
  background: #f2f2f2;
}

.rb-cfs-lvl__inner {
  display: flex;
  flex-direction: column;
  gap: 40px;
  padding: 64px 24px;
}

@media (min-width: 768px) {
  .rb-cfs-lvl__inner {
    flex-direction: row;
    gap: 100px;
    padding: 120px;
  }
}

.rb-cfs-lvl__copy {
  width: 100%;
}

@media (min-width: 768px) {
  .rb-cfs-lvl__copy {
    width: 543px;
    flex-shrink: 0;
  }
}

.rb-cfs-lvl__copy h2 {
  margin: 0 0 24px;
  font-size: 36px;
  font-weight: 700;
  line-height: 1.1;
  color: var(--rb-dark);
}

@media (min-width: 768px) {
  .rb-cfs-lvl__copy h2 {
    font-size: 60px;
    line-height: 60px;
  }
}

.rb-cfs-lvl__copy p {
  margin: 0;
  font-size: 18px;
  line-height: 28px;
  color: var(--rb-dark);
}

/* ——— I-joists ——— */
.rb-cfs-ijoists {
  background: #fff;
}

.rb-cfs-ijoists__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 40px;
  padding: 64px 24px;
}

@media (min-width: 768px) {
  .rb-cfs-ijoists__inner {
    gap: 60px;
    padding: 120px;
  }
}

.rb-cfs-ijoists__head {
  max-width: 1000px;
  text-align: center;
}

.rb-cfs-ijoists__eyebrow {
  margin: 0 0 16px;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--rb-red);
}

.rb-cfs-ijoists__head h2 {
  margin: 0 0 24px;
  font-size: 36px;
  font-weight: 700;
  line-height: 1.1;
  color: var(--rb-dark);
}

@media (min-width: 768px) {
  .rb-cfs-ijoists__head h2 {
    font-size: 60px;
    line-height: 60px;
  }
}

.rb-cfs-ijoists__head p {
  margin: 0 0 16px;
  font-size: 18px;
  line-height: 28px;
  color: var(--rb-dark);
}

.rb-cfs-ijoists__panel {
  width: 100%;
  max-width: 1000px;
  padding: 32px 20px;
  border-radius: 16px;
  background: #f2f2f2;
}

@media (min-width: 768px) {
  .rb-cfs-ijoists__panel {
    padding: 48px 32px;
  }
}

.rb-cfs-ijoists__divider {
  height: 1px;
  margin: 32px 0;
  background: #ddd;
}

.rb-cfs-ijoists__series {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

@media (min-width: 768px) {
  .rb-cfs-ijoists__series {
    flex-direction: row;
    gap: 60px;
  }
}

.rb-cfs-ijoists__series-copy {
  width: 100%;
}

@media (min-width: 768px) {
  .rb-cfs-ijoists__series-copy {
    width: 308px;
    flex-shrink: 0;
  }
}

.rb-cfs-ijoists__series-copy h3 {
  margin: 0 0 16px;
  font-size: 22px;
  font-weight: 600;
  line-height: 28px;
  color: var(--rb-red);
}

.rb-cfs-ijoists__series-copy p {
  margin: 0;
  font-size: 18px;
  line-height: 1.4;
  color: var(--rb-dark);
}

.rb-cfs-ijoists__series-table {
  flex: 1;
  min-width: 0;
}

/* ——— Case study ——— */
.rb-cfs-case {
  background: #eee;
}

.rb-cfs-case__inner {
  display: flex;
  flex-direction: column;
  gap: 40px;
  padding: 64px 24px;
}

@media (min-width: 768px) {
  .rb-cfs-case__inner {
    gap: 60px;
    padding: 120px;
  }
}

.rb-cfs-case__head {
  text-align: center;
}

.rb-cfs-case__head h2 {
  margin: 0 0 16px;
  font-size: 36px;
  font-weight: 700;
  line-height: 1.1;
  color: var(--rb-red);
}

@media (min-width: 768px) {
  .rb-cfs-case__head h2 {
    font-size: 60px;
    line-height: 60px;
  }
}

.rb-cfs-case__head p {
  margin: 0;
  font-size: 20px;
  font-weight: 600;
  line-height: 28px;
  color: var(--rb-dark);
}

.rb-cfs-case__grid {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

@media (min-width: 768px) {
  .rb-cfs-case__grid {
    flex-direction: row;
    align-items: flex-start;
  }
}

.rb-cfs-case__media {
  position: relative;
  width: 100%;
  overflow: hidden;
  border-radius: 16px;
}

@media (min-width: 768px) {
  .rb-cfs-case__media {
    width: 446px;
    flex-shrink: 0;
  }
}

.rb-cfs-case__img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

@media (min-width: 768px) {
  .rb-cfs-case__img {
    min-height: 420px;
    aspect-ratio: auto;
  }
}

.rb-cfs-case__badge {
  position: absolute;
  top: 0;
  left: 0;
  padding: 8px 16px;
  border-radius: 16px 0 0;
  background: var(--rb-red);
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
}

.rb-cfs-case__copy {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

@media (min-width: 768px) {
  .rb-cfs-case__copy {
    padding-left: 60px;
  }
}

.rb-cfs-case__application {
  margin: 0;
  font-size: 22px;
  font-weight: 600;
  line-height: 30px;
  color: var(--rb-dark);
}

.rb-cfs-case__label {
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--rb-red);
}

.rb-cfs-case__copy p {
  margin: 0;
  font-size: 18px;
  line-height: 1.4;
  color: var(--rb-dark);
}

.rb-cfs-case__copy blockquote {
  margin: 0;
  padding: 16px 24px;
  border-left: 1px solid var(--rb-red);
  font-size: 18px;
  line-height: 1.4;
  color: var(--rb-dark);
}

.rb-cfs-case__cta {
  align-self: flex-end;
}

/* ——— Sustainability split ——— */
.rb-cfs-sustain-split {
  background: #fff;
}

.rb-cfs-sustain-split__inner {
  display: flex;
  flex-direction: column;
  gap: 40px;
  padding: 64px 24px;
}

@media (min-width: 768px) {
  .rb-cfs-sustain-split__inner {
    flex-direction: row;
    gap: 100px;
    padding: 120px;
  }
}

.rb-cfs-sustain-split__copy {
  width: 100%;
}

@media (min-width: 768px) {
  .rb-cfs-sustain-split__copy {
    width: 520px;
    flex-shrink: 0;
  }
}

.rb-cfs-sustain-split__copy h2 {
  margin: 0 0 24px;
  font-size: 36px;
  font-weight: 700;
  line-height: 1.1;
  color: var(--rb-dark);
}

@media (min-width: 768px) {
  .rb-cfs-sustain-split__copy h2 {
    font-size: 60px;
    line-height: 60px;
  }
}

.rb-cfs-sustain-split__copy p {
  margin: 0 0 16px;
  font-size: 18px;
  line-height: 28px;
  color: var(--rb-dark);
}

.rb-cfs-sustain-split__blocks {
  flex: 1;
}

.rb-cfs-sustain-split__block {
  padding: 24px 0;
}

.rb-cfs-sustain-split__block.has-border-top {
  border-top: 1.5px solid var(--rb-red);
}

.rb-cfs-sustain-split__block.has-border-bottom {
  border-bottom: 1.5px solid var(--rb-red);
}

.rb-cfs-sustain-split__block h3 {
  margin: 0 0 12px;
  font-size: 22px;
  font-weight: 600;
  line-height: 28px;
  color: var(--rb-dark);
}

.rb-cfs-sustain-split__block p {
  margin: 0;
  font-size: 18px;
  line-height: 1.4;
  color: var(--rb-dark);
}