.portfolio-category-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.portfolio-category-card {
  position: relative;
  display: grid;
  min-height: 360px;
  align-content: end;
  overflow: hidden;
  border-radius: 8px;
  color: #fff;
  padding: 24px;
  background: #122033;
  box-shadow: 0 18px 60px rgba(13, 19, 32, .16);
  transition: transform .25s ease, box-shadow .25s ease;
}

.portfolio-category-card::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(180deg, rgba(18, 32, 51, .05), rgba(18, 32, 51, .94));
}

.portfolio-category-card img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .35s ease;
}

.portfolio-category-card span,
.portfolio-category-card h2,
.portfolio-category-card p {
  position: relative;
  z-index: 2;
}

.portfolio-category-card span {
  color: var(--accent);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.portfolio-category-card h2 {
  margin: 8px 0;
  font-size: 28px;
}

.portfolio-category-card p {
  color: rgba(255, 255, 255, .8);
  line-height: 1.55;
}

.portfolio-category-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 24px 80px rgba(13, 19, 32, .22);
}

.portfolio-category-card:hover img {
  transform: scale(1.04);
}

.portfolio-detail-hero {
  background-size: cover;
  background-position: center;
}

.portfolio-detail-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(280px, .6fr);
  gap: 28px;
  align-items: start;
}

.portfolio-gallery {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.portfolio-gallery-item {
  position: relative;
  overflow: hidden;
  min-height: 250px;
  border-radius: 8px;
  background: #122033;
}

.portfolio-gallery-item img {
  width: 100%;
  height: 100%;
  min-height: 250px;
  object-fit: cover;
  transition: transform .28s ease, opacity .28s ease;
}

.portfolio-gallery-item span {
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 14px;
  padding: 8px 10px;
  border-radius: 8px;
  background: rgba(18, 32, 51, .86);
  color: #fff;
  font-size: 13px;
  font-weight: 800;
}

.portfolio-gallery-item:hover img {
  transform: scale(1.035);
  opacity: .92;
}

.portfolio-technical {
  position: sticky;
  top: 95px;
  display: grid;
  gap: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  padding: 24px;
  box-shadow: 0 14px 40px rgba(13, 19, 32, .06);
  line-height: 1.75;
}

.portfolio-hero {
  background:
    linear-gradient(90deg, rgba(18, 32, 51, .96), rgba(18, 32, 51, .72)),
    url('https://images.unsplash.com/photo-1503387762-592deb58ef4e?auto=format&fit=crop&w=1800&q=85') center/cover;
}

.portfolio-filter-band {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  background: #fff;
  border-bottom: 1px solid var(--line);
}

.portfolio-filter-band h2,
.portfolio-list-section h2,
.portfolio-project-content h2 {
  margin-bottom: 0;
}

.portfolio-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: flex-end;
}

.portfolio-search-form {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: min(460px, 100%);
}

.portfolio-search-form label {
  flex: 1;
}

.portfolio-search-form input {
  width: 100%;
  min-height: 44px;
  border: 1px solid rgba(18, 32, 51, .16);
  border-radius: 8px;
  padding: 10px 12px;
  font: inherit;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.portfolio-filters a {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 9px 13px;
  border: 1px solid rgba(18, 32, 51, .14);
  border-radius: 8px;
  background: #f8fafc;
  color: #122033;
  font-weight: 900;
}

.portfolio-filters a.is-active,
.portfolio-filters a:hover {
  border-color: var(--accent);
  background: #fff7e6;
}

.pagination {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  margin-top: 28px;
}

.pagination a {
  display: inline-grid;
  place-items: center;
  min-width: 40px;
  min-height: 40px;
  border: 1px solid rgba(18, 32, 51, .14);
  border-radius: 8px;
  background: #fff;
  color: #122033;
  font-weight: 900;
}

.pagination a.is-active,
.pagination a:hover {
  border-color: var(--accent);
  background: #122033;
  color: #fff;
}

.portfolio-project-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
  align-items: stretch;
}

.portfolio-project-card {
  --discipline-accent: #1aa7a1;
  --discipline-border: rgba(26, 167, 161, .34);
  display: grid;
  grid-template-rows: auto 1fr;
  overflow: hidden;
  border: 1px solid rgba(18, 32, 51, .1);
  border-radius: 8px;
  background: linear-gradient(180deg, #fff 0%, #f7fafc 100%);
  box-shadow: 0 18px 48px rgba(13, 19, 32, .09);
  transition: transform .24s ease, box-shadow .24s ease, border-color .24s ease;
  isolation: isolate;
}

.portfolio-project-card:hover {
  transform: translateY(-4px);
  border-color: var(--discipline-border);
  box-shadow: 0 24px 58px rgba(13, 19, 32, .14);
}

.portfolio-discipline-arquitetura {
  --discipline-accent: #b88a43;
  --discipline-border: rgba(184, 138, 67, .36);
}

.portfolio-discipline-estrutural {
  --discipline-accent: #2f80ed;
  --discipline-border: rgba(47, 128, 237, .32);
}

.portfolio-discipline-eletrico {
  --discipline-accent: #f2b84b;
  --discipline-border: rgba(242, 184, 75, .38);
}

.portfolio-discipline-hidraulico {
  --discipline-accent: #23a6d5;
  --discipline-border: rgba(35, 166, 213, .34);
}

.portfolio-discipline-arcondicionado {
  --discipline-accent: #36c6b4;
  --discipline-border: rgba(54, 198, 180, .34);
}

.portfolio-discipline-seguranca-do-trabalho,
.safety-project-card {
  --discipline-accent: #1aa76f;
  --discipline-border: rgba(26, 167, 111, .34);
}

.portfolio-discipline-cronograma {
  --discipline-accent: #7c6cff;
  --discipline-border: rgba(124, 108, 255, .34);
}

.portfolio-project-image {
  position: relative;
  display: grid;
  min-height: 0;
  aspect-ratio: 4 / 3;
  background: #0b1524;
  overflow: hidden;
}

.portfolio-project-image::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(6, 13, 24, .04) 28%, rgba(6, 13, 24, .78) 100%),
    linear-gradient(90deg, rgba(6, 13, 24, .28), rgba(6, 13, 24, 0) 48%);
  pointer-events: none;
  z-index: 1;
}

.portfolio-project-image img {
  width: 100%;
  height: 100%;
  min-height: 0;
  object-fit: cover;
  filter: saturate(1.04) contrast(1.03);
  transition: transform .34s ease, opacity .28s ease, filter .28s ease;
}

.portfolio-project-image span:not(.portfolio-image-placeholder) {
  position: absolute;
  left: 14px;
  bottom: 14px;
  z-index: 2;
  max-width: calc(100% - 28px);
  padding: 8px 11px;
  border: 1px solid rgba(255, 255, 255, .14);
  border-left: 4px solid var(--discipline-accent);
  border-radius: 8px;
  background: rgba(9, 19, 33, .88);
  color: #fff;
  font-size: 12px;
  font-weight: 900;
  line-height: 1.25;
  box-shadow: 0 10px 30px rgba(0, 0, 0, .18);
  text-transform: uppercase;
}

.portfolio-image-placeholder {
  display: grid;
  place-items: center;
  min-height: 100%;
  background:
    linear-gradient(135deg, rgba(26, 167, 161, .18), rgba(242, 184, 75, .1)),
    #0b1524;
  color: #6ee1d6;
  font-size: 48px;
  font-weight: 900;
}

.portfolio-project-card:hover img {
  transform: scale(1.055);
  opacity: .96;
  filter: saturate(1.1) contrast(1.06);
}

.portfolio-project-body {
  display: grid;
  gap: 16px;
  align-content: space-between;
  padding: 21px;
}

.portfolio-project-body h3 {
  margin: 0 0 8px;
  color: #122033;
  font-size: 21px;
  line-height: 1.2;
}

.portfolio-project-body p,
.portfolio-project-content p {
  margin: 0;
  color: var(--muted);
  line-height: 1.65;
}

.portfolio-project-body dl,
.portfolio-project-facts dl {
  display: grid;
  gap: 10px;
  margin: 0;
}

.portfolio-project-body dl {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  border-top: 1px solid rgba(18, 32, 51, .1);
  border-bottom: 1px solid rgba(18, 32, 51, .1);
  padding: 12px 0;
}

.portfolio-project-body dt,
.portfolio-project-facts dt {
  color: #607086;
  font-size: 11px;
  font-weight: 900;
  text-transform: uppercase;
}

.portfolio-project-body dd,
.portfolio-project-facts dd {
  margin: 4px 0 0;
  color: #122033;
  font-size: 13px;
  font-weight: 900;
  line-height: 1.35;
}

.portfolio-card-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.portfolio-empty {
  display: grid;
  gap: 12px;
  max-width: 760px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.portfolio-empty h3,
.portfolio-empty p {
  margin: 0;
}

.portfolio-empty p {
  color: var(--muted);
  line-height: 1.6;
}

.quote-success-panel {
  display: grid;
  gap: 8px;
  padding: 18px 20px;
  border: 1px solid rgba(18, 140, 126, .24);
  border-radius: 8px;
  background: #eafaf7;
  color: #0f4f47;
}

.quote-success-panel strong {
  font-size: 20px;
}

.quote-success-panel p {
  margin: 0;
  color: #175f55;
}

.portfolio-project-detail {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(280px, .65fr);
  gap: 28px;
  align-items: start;
}

.portfolio-project-content,
.portfolio-project-facts {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  padding: 28px;
  box-shadow: 0 14px 42px rgba(13, 19, 32, .06);
}

.portfolio-project-content {
  display: grid;
  gap: 16px;
}

.portfolio-project-facts {
  position: sticky;
  top: 96px;
  display: grid;
  gap: 20px;
}

.portfolio-project-facts strong {
  color: #122033;
  font-size: 22px;
}

.portfolio-project-facts dl div {
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
}

.attachment-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.attachment-list a {
  font-weight: 900;
  color: #122033;
}

.portfolio-security-note {
  margin-bottom: 18px;
  padding: 16px 18px;
  border: 1px solid rgba(15, 95, 159, .18);
  border-left: 4px solid #0f5f9f;
  border-radius: 8px;
  background: #f4f8fb;
  color: #2f455c;
  font-size: 14px;
  font-weight: 800;
  line-height: 1.55;
}

.portfolio-attachments .attachment-list .panel {
  display: grid;
  min-height: 86px;
  align-content: center;
  gap: 6px;
  transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
}

.portfolio-attachments .attachment-list .sanitized-document-card::after {
  content: "PDF sanitizado";
  color: #607086;
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

.portfolio-attachments .attachment-list .panel:hover {
  transform: translateY(-2px);
  border-color: rgba(15, 95, 159, .28);
  box-shadow: 0 16px 40px rgba(13, 19, 32, .08);
}

.safety-portfolio-hero {
  background:
    linear-gradient(90deg, rgba(18, 32, 51, .96), rgba(18, 32, 51, .72)),
    url('/assets/portfolio/seguranca-do-trabalho-cover.svg') center/cover;
}

.safety-projects .section-head p,
.safety-documents-section .section-head p {
  max-width: 860px;
  color: var(--muted);
  line-height: 1.65;
}

.safety-project-card .portfolio-project-image {
  background: #0b1524;
}

.safety-project-card .portfolio-project-image img {
  object-fit: cover;
  padding: 0;
  background: transparent;
}

.safety-project-detail .portfolio-project-content {
  gap: 20px;
}

.safety-document-notice {
  border-left: 4px solid var(--accent);
  border-radius: 8px;
  padding: 14px 16px;
  background: #fff7e6;
  color: #122033;
  font-weight: 800;
  line-height: 1.55;
}

.safety-document-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.safety-document-card {
  display: grid;
  gap: 18px;
  align-content: space-between;
  min-height: 260px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 24px;
  background: #fff;
  box-shadow: 0 14px 42px rgba(13, 19, 32, .07);
}

.safety-document-card span {
  display: inline-flex;
  width: fit-content;
  margin-bottom: 12px;
  border-radius: 8px;
  padding: 7px 10px;
  background: #122033;
  color: var(--accent);
  font-size: 12px;
  font-weight: 900;
}

.safety-document-card h3 {
  margin: 0 0 10px;
  color: #122033;
  font-size: 22px;
  line-height: 1.22;
}

.safety-document-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.65;
}

.document-protected-badge {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  border: 1px solid rgba(18, 32, 51, .14);
  border-radius: 8px;
  padding: 10px 12px;
  background: #f8fafc;
  color: #122033;
  font-size: 13px;
  font-weight: 900;
}

.protected-document-viewer {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #122033;
  box-shadow: 0 14px 42px rgba(13, 19, 32, .08);
}

.protected-document-viewer iframe {
  display: block;
  width: 100%;
  min-height: 78vh;
  border: 0;
  background: #fff;
}

@media (max-width: 900px) {
  .portfolio-category-grid,
  .portfolio-detail-layout,
  .portfolio-gallery,
  .portfolio-project-grid,
  .portfolio-project-detail,
  .attachment-list,
  .safety-document-list {
    grid-template-columns: 1fr;
  }

  .portfolio-filter-band {
    display: grid;
    align-items: start;
  }

  .portfolio-filters {
    justify-content: flex-start;
  }

  .portfolio-search-form {
    width: 100%;
    min-width: 0;
    align-items: stretch;
    flex-direction: column;
  }

  .portfolio-category-card {
    min-height: 300px;
  }

  .portfolio-technical,
  .portfolio-project-facts {
    position: static;
  }

  .portfolio-project-body dl {
    grid-template-columns: 1fr;
  }
}