/*
 * DISERC Phase 8 — Build visual system
 * Engineering / construction / infrastructure direction.
 * Existing animation systems remain untouched.
 */

body.build-page .subnav {
  background: color-mix(in srgb, var(--bg) 74%, transparent);
  border: 1px solid color-mix(in srgb, var(--line) 84%, transparent);
  border-radius: 18px;
  box-shadow: 0 18px 55px rgba(0,0,0,.20);
  left: max(12px, calc((100vw - 1320px) / 2));
  margin-top: 10px;
  right: max(12px, calc((100vw - 1320px) / 2));
  width: auto;
  -webkit-backdrop-filter: blur(18px) saturate(120%);
  backdrop-filter: blur(18px) saturate(120%);
  z-index: 100;
}

body.build-page .subnav .nav-logo-img {
  height: 34px;
  width: auto;
}

body.build-page .subnav-links {
  gap: 7px;
}

body.build-page .subnav-links > a,
body.build-page .language-toggle {
  border-radius: 10px;
  min-height: 38px;
  padding: 9px 11px;
}

body.build-page .subnav-links > a[aria-current="page"] {
  background: rgba(245,173,59,.09);
  border: 1px solid rgba(245,173,59,.30);
  color: #ffd18a;
}

/* Build hero: more architectural/editorial, less software-like. */
body.build-page .build-hero {
  background:
    linear-gradient(90deg, rgba(5,7,11,.98) 0%, rgba(5,7,11,.82) 55%, rgba(5,7,11,.62) 100%),
    radial-gradient(circle at 80% 25%, rgba(245,173,59,.09), transparent 30rem);
  border-bottom: 1px solid var(--line);
  min-height: clamp(540px, 68svh, 760px);
  overflow: hidden;
  padding-bottom: clamp(80px, 9vw, 135px);
  padding-top: 150px;
  position: relative;
}

body.build-page .build-hero::before {
  background:
    linear-gradient(90deg, rgba(245,173,59,.0), rgba(245,173,59,.16), rgba(245,173,59,.0));
  content: "";
  height: 1px;
  left: 8%;
  position: absolute;
  right: 8%;
  top: 54%;
}

body.build-page .build-hero .contenedor {
  position: relative;
  z-index: 2;
}

body.build-page .build-kicker {
  align-items: center;
  color: #ffd18a;
  display: inline-flex;
  font: 600 10px/1 var(--mono);
  gap: 10px;
  letter-spacing: .12em;
  margin-bottom: 22px;
  text-transform: uppercase;
}

body.build-page .build-kicker::before {
  background: #f5ad3b;
  content: "";
  display: block;
  height: 8px;
  width: 8px;
}

body.build-page .build-hero h1 {
  font-size: clamp(3.15rem, 7vw, 7.3rem);
  letter-spacing: -.065em;
  line-height: .94;
  margin: 0;
  max-width: 1050px;
}

body.build-page .build-hero p {
  color: color-mix(in srgb, var(--muted) 94%, white);
  font-size: clamp(1rem, .88rem + .35vw, 1.18rem);
  line-height: 1.75;
  margin-top: 28px;
  max-width: 720px;
}

/* Build landing */
body.build-index .capability-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(12, minmax(0,1fr));
}

body.build-index .capability-card {
  background:
    linear-gradient(145deg, rgba(245,173,59,.045), transparent 62%),
    var(--surface);
  border: 1px solid var(--line);
  border-radius: 20px;
  min-height: 220px;
  padding: 28px;
}

body.build-index .capability-card:nth-child(1),
body.build-index .capability-card:nth-child(2) {
  grid-column: span 6;
}

body.build-index .capability-card:nth-child(n+3) {
  grid-column: span 4;
}

body.build-index .capability-card .eyebrow {
  color: #ffd18a;
  font: 600 10px/1 var(--mono);
  letter-spacing: .1em;
  text-transform: uppercase;
}

body.build-index .capability-card h3 {
  font-family: var(--display);
  font-size: clamp(1.45rem, 1.15rem + .7vw, 2.1rem);
  letter-spacing: -.035em;
  line-height: 1.05;
  margin-top: 55px;
}

body.build-index .capability-card p {
  color: var(--muted);
  line-height: 1.65;
  max-width: 520px;
}

body.build-index .project-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(12, minmax(0,1fr));
}

body.build-index .project-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 20px;
  min-height: 280px;
  overflow: hidden;
  position: relative;
}

body.build-index .project-card:nth-child(1) {
  grid-column: span 7;
}

body.build-index .project-card:nth-child(2) {
  grid-column: span 5;
}

body.build-index .project-card:nth-child(n+3) {
  grid-column: span 4;
}

body.build-index .project-card .project-body {
  display: flex;
  flex-direction: column;
  height: 100%;
  justify-content: flex-end;
  padding: 28px;
  position: relative;
  z-index: 2;
}

body.build-index .project-card::after {
  background: linear-gradient(180deg, transparent 25%, rgba(0,0,0,.82) 100%);
  content: "";
  inset: 0;
  position: absolute;
}

body.build-index .project-card h3 {
  font-family: var(--display);
  font-size: clamp(1.35rem, 1.1rem + .5vw, 1.9rem);
  letter-spacing: -.03em;
  line-height: 1.08;
  margin: 0;
}

body.build-index .project-card p {
  color: color-mix(in srgb, var(--muted) 95%, white);
  line-height: 1.55;
  margin: 10px 0 0;
  max-width: 520px;
}

body.build-index .delivery-strip {
  border-bottom: 1px solid var(--line);
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: repeat(4, minmax(0,1fr));
}

body.build-index .delivery-strip > * {
  border-right: 1px solid var(--line);
  padding: 26px;
}

body.build-index .delivery-strip > *:last-child {
  border-right: 0;
}

body.build-index .delivery-strip strong {
  display: block;
  font-family: var(--display);
  font-size: 1.05rem;
}

body.build-index .delivery-strip span {
  color: var(--subtle);
  display: block;
  font: 500 9px/1.5 var(--mono);
  letter-spacing: .08em;
  margin-top: 8px;
  text-transform: uppercase;
}

/* Detail pages */
body.build-detail .detail-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(12, minmax(0,1fr));
}

body.build-detail .detail-grid > * {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 20px;
  min-width: 0;
}

body.build-detail .detail-grid > :nth-child(1) {
  grid-column: span 7;
  padding: clamp(30px, 4vw, 52px);
}

body.build-detail .detail-grid > :nth-child(2) {
  grid-column: span 5;
  padding: clamp(30px, 4vw, 52px);
}

body.build-detail .detail-grid > :nth-child(n+3) {
  grid-column: span 4;
  padding: 30px;
}

body.build-detail .detail-grid h2,
body.build-detail .detail-grid h3 {
  font-family: var(--display);
  letter-spacing: -.04em;
  line-height: 1.05;
}

body.build-detail .detail-grid h2 {
  font-size: clamp(2rem, 3.5vw, 3.8rem);
}

body.build-detail .detail-grid h3 {
  font-size: 1.45rem;
}

body.build-detail .detail-grid p {
  color: var(--muted);
  line-height: 1.7;
}

body.build-page .section-intro h2 {
  font-size: clamp(2.35rem, 4.4vw, 4.8rem);
  letter-spacing: -.055em;
  line-height: 1;
}

/* CTA */
body.build-page .build-cta {
  background:
    linear-gradient(135deg, rgba(245,173,59,.06), transparent 55%),
    var(--surface);
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: clamp(34px, 5vw, 64px);
}

body.build-page .build-cta .boton {
  border-radius: 12px;
  min-height: 50px;
}

/* Tablet */
@media (max-width: 980px) {
  body.build-page .subnav {
    left: 10px;
    right: 10px;
  }

  body.build-index .capability-card:nth-child(1),
  body.build-index .capability-card:nth-child(2),
  body.build-index .capability-card:nth-child(n+3) {
    grid-column: span 6;
  }

  body.build-index .project-card:nth-child(1),
  body.build-index .project-card:nth-child(2),
  body.build-index .project-card:nth-child(n+3) {
    grid-column: span 6;
  }

  body.build-index .delivery-strip {
    grid-template-columns: repeat(2, minmax(0,1fr));
  }

  body.build-index .delivery-strip > *:nth-child(2) {
    border-right: 0;
  }

  body.build-index .delivery-strip > * {
    border-bottom: 1px solid var(--line);
  }

  body.build-detail .detail-grid > :nth-child(1),
  body.build-detail .detail-grid > :nth-child(2),
  body.build-detail .detail-grid > :nth-child(n+3) {
    grid-column: span 6;
  }
}

/* Mobile */
@media (max-width: 700px) {
  body.build-page .build-hero {
    min-height: 540px;
    padding-bottom: 68px;
    padding-top: 125px;
  }

  body.build-page .build-hero h1 {
    font-size: clamp(2.85rem, 14vw, 4.4rem);
  }

  body.build-index .capability-grid,
  body.build-index .project-grid,
  body.build-detail .detail-grid {
    grid-template-columns: 1fr;
  }

  body.build-index .capability-card:nth-child(1),
  body.build-index .capability-card:nth-child(2),
  body.build-index .capability-card:nth-child(n+3),
  body.build-index .project-card:nth-child(1),
  body.build-index .project-card:nth-child(2),
  body.build-index .project-card:nth-child(n+3),
  body.build-detail .detail-grid > :nth-child(1),
  body.build-detail .detail-grid > :nth-child(2),
  body.build-detail .detail-grid > :nth-child(n+3) {
    grid-column: 1;
  }

  body.build-index .capability-card {
    min-height: 190px;
  }

  body.build-index .capability-card h3 {
    margin-top: 42px;
  }

  body.build-index .project-card {
    min-height: 240px;
  }

  body.build-index .delivery-strip {
    grid-template-columns: 1fr;
  }

  body.build-index .delivery-strip > * {
    border-bottom: 1px solid var(--line);
    border-right: 0;
  }

  body.build-index .delivery-strip > *:last-child {
    border-bottom: 0;
  }
}