.portfolio-filters {
  padding: 1.5rem 0;
  background: #fff;
  box-shadow: 0 4px 16px rgba(3, 31, 65, .05);
}

.portfolio-projects > div {
  max-width: var(--container-width);
  margin: auto;
  padding: 0 var(--page-padding);
}

.portfolio-filters__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.portfolio-filters__tabs {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.portfolio-filters__button {
  border: 0;
  padding: 0.65rem 1rem;
  border-radius: 0.5rem;
  color: var(--color-text);
  background: #eef1f4;
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: color 0.2s ease, background-color 0.2s ease;
}

.portfolio-filters__button:hover {
  background: #dfe5eb;
}

.portfolio-filters__button.is-active {
  color: #ffffff;
  background: var(--color-navy);
  box-shadow: 0 2px 6px rgba(3, 31, 65, 0.15);
}

.portfolio-filters__legend {
  display: flex;
  align-items: center;
  flex: 0 0 auto;
  gap: 0.5rem;
  color: var(--color-text-muted);
  font-size: 0.75rem;
}

.portfolio-filters__status {
  width: 0.625rem;
  height: 0.625rem;
  border-radius: 50%;
  background: #23764a;
}

@media (max-width: 900px) {
  .portfolio-filters__inner {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 600px) {
  .portfolio-filters__tabs {
    flex-wrap: nowrap;
    width: 100%;
    overflow-x: auto;
    padding-bottom: 0.5rem;
  }

  .portfolio-filters__button {
    flex: 0 0 auto;
  }
}

.portfolio-projects { padding: 5rem 0; }

.portfolio-projects__grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 1.5rem;
}

.project-card {
  grid-column: span 6;
  overflow: hidden;
  border-radius: 1rem;
  background: #fff;
  box-shadow: 0 8px 26px rgba(3, 31, 65, .07);
}

.project-card:first-child {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.project-card--featured .project-card__media {
  position: relative;
  min-height: 420px;
  overflow: hidden;
  background: var(--color-navy-light);
}

.project-card--featured .project-card__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.project-card--featured:hover .project-card__image {
  transform: scale(1.035);
}

.project-card__image-shade {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(2, 26, 54, 0.75), transparent 60%);
}

.project-card__tags {
  position: absolute;
  top: 1rem;
  left: 1rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.project-card__tag {
  padding: 0.35rem 0.65rem;
  border-radius: 0.25rem;
  color: var(--color-navy);
  background: rgba(255, 255, 255, 0.92);
  font-size: 0.75rem;
  font-weight: 500;
}

.project-card__tag--accent {
  color: #ffffff;
  background: var(--color-orange);
  font-weight: 600;
  text-transform: uppercase;
}

.project-card__media-footer {
  position: absolute;
  right: 1rem;
  bottom: 1rem;
  left: 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  color: #ffffff;
  font-size: 0.75rem;
}

.project-card__status {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.project-card__status .material-symbols-outlined {
  color: #54b781;
  font-size: 1rem;
}

.project-card__length {
  padding: 0.25rem 0.5rem;
  border-radius: 0.25rem;
  background: rgba(2, 26, 54, 0.85);
  font-family: monospace;
}

.project-card--featured .project-card__content {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 2rem;
}

.project-card__meta,
.project-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.project-card__number {
  color: var(--color-text-muted);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.project-card__duration {
  padding: 0.25rem 0.65rem;
  border-radius: 0.25rem;
  color: var(--color-orange-hover);
  background: #ffeadc;
  font-size: 0.75rem;
}

.project-card__title {
  margin: 0.75rem 0 0;
  color: var(--color-navy);
  font-size: 1.65rem;
  line-height: 1.25;
}

.project-card__description {
  margin: 0.75rem 0 0;
  color: var(--color-text-muted);
  line-height: 1.65;
}

.project-card__specs {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.75rem;
  margin-top: 1.5rem;
  padding: 1rem;
  border-radius: 0.5rem;
  background: var(--color-page);
}

.project-card__spec-label,
.project-card__spec-value {
  display: block;
}

.project-card__spec-label {
  color: var(--color-text-muted);
  font-size: 0.75rem;
}

.project-card__spec-value {
  margin-top: 0.25rem;
  color: var(--color-navy);
  font-size: 0.875rem;
  font-weight: 700;
}

.project-card__footer {
  margin-top: 2rem;
  padding-top: 1rem;
  border-top: 1px solid #e5e9ee;
}

.project-card__engineer,
.project-card__details {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.project-card__engineer {
  color: var(--color-text-muted);
  font-size: 0.75rem;
}

.project-card__engineer .material-symbols-outlined {
  color: #2780ad;
  font-size: 1.1rem;
}

.project-card__details {
  border: 0;
  color: var(--color-orange-hover);
  background: transparent;
  font-weight: 600;
  cursor: pointer;
}

.project-card__details:hover {
  color: var(--color-orange);
}

.project-card--medium {
  display: flex;
  flex-direction: column;
}

.project-card--medium .project-card__media {
  position: relative;
  height: 16rem;
  overflow: hidden;
  background: var(--color-navy-light);
}

.project-card--medium .project-card__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.project-card--medium:hover .project-card__image {
  transform: scale(1.035);
}

.project-card__tag--dark {
  color: var(--color-blue-light);
  background: var(--color-navy-light);
  font-weight: 600;
  text-transform: uppercase;
}

.project-card__measure {
  position: absolute;
  right: 1rem;
  bottom: 1rem;
  padding: 0.35rem 0.65rem;
  border-radius: 0.25rem;
  color: #ffffff;
  background: rgba(2, 26, 54, 0.9);
  font-family: monospace;
  font-size: 0.75rem;
}

.project-card--medium .project-card__content {
  display: flex;
  flex: 1;
  flex-direction: column;
  justify-content: space-between;
  padding: 1.5rem;
}

.project-card__customer {
  color: var(--color-text-muted);
  font-size: 0.75rem;
}

.project-card__approval {
  padding: 0.25rem 0.65rem;
  border-radius: 0.25rem;
  color: var(--color-navy);
  background: #dff2fb;
  font-size: 0.75rem;
  font-weight: 500;
}

.project-card__approval--accent {
  color: var(--color-orange-hover);
  background: #ffeadc;
}

.project-card--medium .project-card__title {
  margin-top: 0.75rem;
  font-size: 1.25rem;
}

.project-card--medium .project-card__description {
  font-size: 0.875rem;
}

.project-card__parameters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1rem;
}

.project-card__parameter {
  padding: 0.35rem 0.65rem;
  border-radius: 0.35rem;
  color: var(--color-navy);
  background: var(--color-page);
  font-size: 0.75rem;
  font-weight: 500;
}

.project-card__status--content {
  color: #23764a;
  font-size: 0.75rem;
}

.project-card__status--content .material-symbols-outlined,
.project-card__details .material-symbols-outlined {
  font-size: 1rem;
}

.project-card--compact {
  display: flex;
  flex-direction: column;
}

.project-card--compact .project-card__media {
  position: relative;
  height: 14rem;
  overflow: hidden;
  background: var(--color-navy-light);
}

.project-card--compact .project-card__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.project-card--compact:hover .project-card__image {
  transform: scale(1.035);
}

.project-card--compact .project-card__tags {
  top: 0.75rem;
  left: 0.75rem;
}

.project-card__location {
  position: absolute;
  bottom: 0.75rem;
  left: 0.75rem;
  padding: 0.25rem 0.5rem;
  border-radius: 0.25rem;
  color: #ffffff;
  background: rgba(2, 26, 54, 0.9);
  font-size: 0.75rem;
}

.project-card--compact .project-card__content {
  display: flex;
  flex: 1;
  flex-direction: column;
  justify-content: space-between;
  padding: 1.5rem;
}

.project-card__eyebrow {
  color: var(--color-orange-hover);
  font-size: 0.75rem;
  font-weight: 600;
}

.project-card--compact .project-card__title {
  margin: 0.35rem 0 0;
  font-size: 1.05rem;
  line-height: 1.35;
}

.project-card--compact .project-card__description {
  margin-top: 0.65rem;
  font-size: 0.875rem;
}

.project-card__summary {
  color: var(--color-text-muted);
  font-size: 0.75rem;
}

.project-card--compact .project-card__footer {
  margin-top: 1rem;
  padding-top: 0.75rem;
}

@media (max-width: 560px) {
  .project-card--medium .project-card__meta {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 700px) {
  .project-card__specs {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .project-card__media-footer,
  .project-card__footer {
    align-items: flex-start;
    flex-direction: column;
  }
}

.project-card:nth-child(n+4) { grid-column: span 4; }
.project-card[hidden] { display: none; }
.project-card > div:first-child { position: relative; min-height: 250px; overflow: hidden; background: #16385f; }
.project-card:first-child > div:first-child { min-height: 420px; }
.project-card img { width: 100%; height: 100%; object-fit: cover; transition: transform .35s ease; }
.project-card:hover img { transform: scale(1.035); }
.project-card > div:nth-child(2) { display: flex; flex-direction: column; justify-content: space-between; padding: 1.5rem; }
.project-card h2,
.project-card h3 { color: var(--color-navy); line-height: 1.3; }
.project-card p { color: var(--color-text-muted); line-height: 1.65; }
.project-card button { border: 0; color: #d95716; background: transparent; font-weight: 600; cursor: pointer; }
.project-card > div:first-child > div:not(:first-of-type) { position: absolute; z-index: 1; }

@media (max-width: 900px) {
  .project-card,
  .project-card:nth-child(n+4) { grid-column: span 6; }
  .project-card:first-child { display: block; }
}

@media (max-width: 650px) {
  .portfolio-projects__grid { display: block; }
  .project-card { margin-bottom: 1.25rem; }
}