/**
 * Steel Detailing.
 */

.ai-rfi-panel {
  background: var(--ai-color-white);
  border: 1px solid var(--ai-line);
  border-radius: 26px;
  box-shadow: 0 18px 50px rgba(31,40,86,.07);
  gap: 0;
  grid-template-columns: 1.14fr .86fr;
  overflow: hidden;
}

.ai-rfi-panel .ai-rfi-carousel {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 24px;
}

.ai-rfi-panel .ai-rfi-carousel__controls {
  justify-content: center;
}

.ai-rfi-panel .ai-rfi-carousel__track {
  border-radius: 16px;
  min-height: 430px;
}

.ai-rfi-panel .ai-rfi-visual {
  min-height: 430px;
}

.ai-rfi-process {
  background: var(--ai-navy);
  color: var(--ai-color-white);
  padding: 38px;
}

.ai-rfi-process__label {
  color: var(--ai-color-accent-inverse);
  font-size: var(--ai-type-label-size);
  font-weight: 600;
  margin: 0 0 24px;
}

.ai-rfi-process h3 {
  font-size: clamp(25px,2.4vw,34px);
  line-height: 1.18;
  margin: 0 0 18px;
}

.ai-rfi-process__intro {
  color: #c3cad8;
  font-size: var(--ai-type-body-size);
  margin: 0 0 26px;
}

.ai-rfi-steps {
  list-style: none;
  margin: 0;
  padding: 0;
}

.ai-rfi-steps li {
  align-items: flex-start;
  border-top: 1px solid rgba(255,255,255,.14);
  display: grid;
  gap: 14px;
  grid-template-columns: 34px 1fr;
  padding: 15px 0;
}

.ai-rfi-steps li > span {
  color: var(--ai-color-accent-inverse);
  font-family: var(--ai-data);
  font-size: var(--ai-type-body-size);
  padding-top: 2px;
}

.ai-rfi-steps strong {
  display: block;
  font-size: 14px;
  font-weight: 600;
}

.ai-rfi-steps p {
  color: #aeb7c8;
  font-size: var(--ai-type-body-size);
  line-height: 1.55;
  margin: 4px 0 0;
}

.ai-zone-diagram {
  background: linear-gradient(180deg,#fbfcfe 0%,#f5f7fa 100%);
  border: 1px solid var(--ai-line);
  border-radius: 24px;
  box-shadow: 0 18px 48px rgba(31,40,86,.08);
  margin: 0 auto;
  max-width: 950px;
  overflow: hidden;
  padding: 24px;
}

.ai-zone-diagram svg {
  display: block;
  height: auto;
  width: 100%;
}

.ai-zone-paths {
  fill: none;
  stroke-linecap: butt;
  stroke-linejoin: round;
  stroke-width: 4;
}

.ai-zone-paths.is-correct {
  stroke: #5f9f35;
}

.ai-zone-paths.is-rework {
  stroke: #c7444d;
}

#ai-zone-green-arrow path {
  fill: #5f9f35;
}

.ai-zone-diagram #ai-zone-red-arrow path {
  fill: #c7444d;
}

.ai-zone-labels text {
  font-family: var(--ai-font-body);
  font-size: 18px;
  font-weight: 600;
  paint-order: stroke;
  stroke: #f8fafc;
  stroke-width: 6px;
}

.ai-zone-labels .is-correct {
  fill: #4f872d;
}

.ai-zone-labels .is-rework {
  fill: #ad3540;
}

.ai-zone-svg-card {
  align-items: center;
  background: var(--ai-color-white);
  border: 1px solid #b8c1d0;
  border-left: 4px solid var(--ai-blue);
  border-radius: 9px;
  box-shadow: 0 7px 18px rgba(26,36,75,.1);
  box-sizing: border-box;
  color: var(--ai-ink);
  display: flex;
  flex-direction: column;
  height: 100%;
  justify-content: center;
  padding: 8px 14px;
  text-align: center;
  width: 100%;
}

.ai-zone-svg-card span {
  color: var(--ai-blue);
  display: block;
  font-size: var(--ai-type-label-size);
  font-weight: 600;
  margin-bottom: 3px;
}

.ai-zone-svg-card strong {
  display: block;
  font-size: 18px;
  font-weight: 500;
  line-height: 1.28;
}

.ai-zone-svg-card small {
  color: var(--ai-muted);
  display: block;
  font-size: var(--ai-type-small-size);
  margin-top: 5px;
}

.ai-zone-svg-card.is-check {
  background: #fdfdfe;
  border-color: #8e98aa;
  border-left-color: var(--ai-navy);
}

.ai-zone-svg-card.is-output {
  border-left-color: #5f9f35;
}

.ai-zone-svg-card.is-approval {
  background: linear-gradient(135deg,var(--ai-blue),#3d3490);
  border-color: var(--ai-blue);
  color: var(--ai-color-white);
}

.ai-zone-svg-card.is-approval span {
  color: var(--ai-color-accent-inverse-soft);
}

.ai-zone-mobile {
  display: none;
}

.ai-workflow .ai-workflow__legend .is-recommended {
  background: #72b62b;
}

.ai-workflow .ai-workflow__legend .is-risk {
  background: #dc2c36;
}

.ai-zone-seo-summary {
  border-top: 1px solid var(--ai-line);
  margin: 34px auto 0;
  max-width: 1120px;
  padding-top: 30px;
}

.ai-zone-seo-summary h3 {
  font-size: 22px;
  margin-bottom: 22px;
}

.ai-zone-seo-summary > div {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(3,1fr);
}

.ai-zone-seo-summary > div p {
  background: var(--ai-soft);
  border-radius: 12px;
  color: var(--ai-muted);
  font-size: var(--ai-type-body-size);
  margin: 0;
  padding: 18px;
}

.ai-zone-seo-summary > div strong {
  color: var(--ai-ink);
  display: block;
  margin-bottom: 4px;
}

.ai-zone-seo-summary .ai-workflow__seo-note {
  margin-top: 18px;
  max-width: 880px;
}

.ai-zone-flow {
  background: var(--ai-color-white);
  border: 1px solid var(--ai-line);
  border-radius: 24px;
  box-shadow: 0 16px 45px rgba(31,40,86,.08);
  list-style: none;
  margin: 0 auto;
  max-width: 920px;
  padding: 36px;
}

.ai-zone-flow__row {
  align-items: center;
  display: grid;
  gap: 28px;
  grid-template-columns: minmax(0,1fr) 260px;
  padding-bottom: 38px;
  position: relative;
}

.ai-zone-flow__row:not(:last-child)::after {
  background: var(--ai-blue);
  bottom: 8px;
  content: "";
  height: 22px;
  left: calc((100% - 288px) / 2);
  position: absolute;
  width: 2px;
}

.ai-zone-flow__row:not(:last-child)::before {
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  border-top: 7px solid var(--ai-blue);
  bottom: 1px;
  content: "";
  left: calc((100% - 296px) / 2);
  position: absolute;
}

.ai-zone-stage {
  background: var(--ai-color-white);
  border: 1px solid #cdd4df;
  border-left: 4px solid var(--ai-blue);
  border-radius: 12px;
  min-height: 88px;
  padding: 18px 22px;
}

.ai-zone-stage span, .ai-zone-check span {
  color: var(--ai-blue);
  display: block;
  font-size: var(--ai-type-label-size);
  font-weight: 600;
  margin-bottom: 7px;
}

.ai-zone-stage h3 {
  font-size: 17px;
  font-weight: 600;
  line-height: 1.35;
  margin: 0;
}

.ai-zone-check {
  border-left: 2px dashed var(--ai-burgundy);
  padding: 10px 0 10px 20px;
  position: relative;
}

.ai-zone-check::before {
  background: var(--ai-color-white);
  border: 2px solid var(--ai-burgundy);
  border-radius: 50%;
  content: "";
  height: 9px;
  left: -6px;
  position: absolute;
  top: 18px;
  width: 9px;
}

.ai-zone-check span {
  color: var(--ai-burgundy);
}

.ai-zone-check strong {
  display: block;
  font-size: var(--ai-type-label-size);
  line-height: 1.4;
}

.ai-zone-check small {
  color: var(--ai-muted);
  display: block;
  font-size: var(--ai-type-small-size);
  line-height: 1.45;
  margin-top: 5px;
}

.ai-zone-flow__row--split {
  grid-template-columns: 1fr 1fr;
}

.ai-zone-flow__row--split::after {
  left: 50%;
}

.ai-zone-flow__row--split::before {
  left: calc(50% - 4px);
}

.ai-zone-branch {
  display: grid;
  gap: 14px;
}

.ai-zone-flow__row--split .ai-zone-check {
  margin-left: 20px;
}

.ai-zone-flow__row--approval {
  grid-template-columns: 1fr;
  padding-bottom: 0;
}

.ai-zone-flow__row--approval .ai-zone-stage {
  background: var(--ai-blue);
  border-color: var(--ai-blue);
  color: var(--ai-color-white);
  text-align: center;
}

.ai-zone-flow__row--approval .ai-zone-stage span {
  color: var(--ai-color-accent-inverse-soft);
}
.ai-service--steel .ai-project-card > a { display: block; color: inherit; text-decoration: none; }
.ai-service--steel .ai-project-card > a > img { object-position: 50% 62%; }
.ai-service--steel .ai-project-card > a > div { padding: 26px; }