.portfolio-overview-section {
  background: #f5f8ff;
}

.portfolio-overview-section .portfolio-intro {
  margin: 0 auto 60px;
  max-width: 760px;
}

.portfolio-overview-section .portfolio-intro p {
  color: #5f6475;
}

.portfolio-filter-tabs {
  display: flex;
  gap: 14px;
  margin-bottom: 40px;
  overflow-x: auto;
  padding-bottom: 8px;
  scrollbar-width: thin;
}

.portfolio-filter-tabs::-webkit-scrollbar {
  height: 6px;
}

.portfolio-filter-tabs::-webkit-scrollbar-thumb {
  background: rgba(11, 27, 53, 0.2);
  border-radius: 30px;
}

.portfolio-filter-tab {
  border: 1px solid rgba(20, 33, 61, 0.12);
  background: #fff;
  color: #0b1b35;
  border-radius: 999px;
  padding: 14px 22px;
  font-size: 15px;
  font-weight: 700;
  line-height: 1;
  white-space: nowrap;
  transition: all 0.3s ease;
}

.portfolio-filter-tab:hover,
.portfolio-filter-tab.is-active {
  background: #FBC113;
  border-color: #FBC113;
  color: #fff;
}

.portfolio-project-item.is-hidden {
  display: none;
}

.portfolio-card {
  display: block;
  height: 100%;
  background: #fff;
  border: 1px solid rgba(20, 33, 61, 0.08);
  border-radius: 24px;
  overflow: hidden;
  color: inherit;
  text-decoration: none;
  box-shadow: 0 18px 45px rgba(20, 33, 61, 0.08);
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.portfolio-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 22px 55px rgba(20, 33, 61, 0.14);
  border-color: rgba(249, 111, 34, 0.28);
}

.portfolio-card-image {
  position: relative;
  overflow: hidden;
  background: linear-gradient(180deg, #eef3fb 0%, #f8fbff 100%);
}

.portfolio-card-image img {
  width: 100%;
  display: block;
  height: auto;
  object-fit: contain;
  object-position: top center;
  transition: transform 0.4s ease;
}

.portfolio-card:hover .portfolio-card-image img {
  transform: scale(1.05);
}

.portfolio-card-content {
  padding: 32px 28px;
}

.portfolio-card-category {
  display: inline-flex;
  align-items: center;
  border-radius: 30px;
  padding: 8px 14px;
  background: rgba(249, 111, 34, 0.1);
  color: #FBC113;
  font-size: 14px;
  font-weight: 700;
  line-height: 1;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.portfolio-card-content h3 {
  margin: 20px 0 16px;
  color: #0b1b35;
  font-size: 24px;
  line-height: 32px;
}

.portfolio-card-content p {
  margin: 0;
  color: #5f6475;
  font-size: 16px;
  line-height: 28px;
}

.portfolio-card-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 24px;
  color: #0b1b35;
  font-size: 16px;
  font-weight: 700;
  transition: color 0.3s ease;
}

.portfolio-card:hover .portfolio-card-link {
  color: #FBC113;
}

.portfolio-card-link i {
  font-size: 14px;
}

.portfolio-cta-strip {
  margin-top: 60px;
  padding: 36px 40px;
  border-radius: 28px;
  background: linear-gradient(135deg, #0b1b35 0%, #163b73 100%);
}

.portfolio-cta-strip h3 {
  color: #fff;
  font-size: 30px;
  line-height: 38px;
}

.portfolio-cta-strip p {
  margin: 16px 0 0;
  color: rgba(255, 255, 255, 0.8);
}

.portfolio-details-section {
  background: #f5f8ff;
}

.portfolio-detail-hero-card,
.portfolio-doc-card,
.portfolio-meta-overview,
.portfolio-meta-tile,
.portfolio-preview-card {
  background: #fff;
  border: 1px solid rgba(20, 33, 61, 0.08);
  border-radius: 24px;
  box-shadow: 0 18px 45px rgba(20, 33, 61, 0.08);
}

.portfolio-detail-hero-card {
  padding: 36px;
  margin-bottom: 28px;
}

.portfolio-meta-overview {
  padding: 22px;
  margin-bottom: 28px;
}

.portfolio-meta-tile {
  height: 100%;
  padding: 22px 18px;
  box-shadow: none;
}

.portfolio-meta-tile span {
  display: block;
  margin-bottom: 10px;
  color: #7a8090;
  font-size: 13px;
  font-weight: 700;
  line-height: 20px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.portfolio-meta-tile strong {
  display: block;
  color: #0b1b35;
  font-size: 18px;
  line-height: 28px;
  font-weight: 700;
}

.portfolio-doc-card {
  padding: 40px;
}

.portfolio-doc-section + .portfolio-doc-section {
  margin-top: 36px;
  padding-top: 36px;
  border-top: 1px solid rgba(20, 33, 61, 0.08);
}

.portfolio-doc-section h3 {
  margin: 0 0 18px;
  color: #0b1b35;
  font-size: 28px;
  line-height: 36px;
}

.portfolio-doc-section p {
  margin: 0;
  color: #5f6475;
  font-size: 17px;
  line-height: 30px;
}

.portfolio-doc-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  margin-top: 36px;
}

.portfolio-doc-panel {
  padding: 30px;
  background: #f8fafc;
  border-top: 0;
  border-radius: 20px;
}

.portfolio-doc-grid .portfolio-doc-panel {
  margin-top: 0;
}

.portfolio-stack-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.portfolio-stack-card {
  padding: 28px;
  background: #f8fafc;
  border: 1px solid rgba(20, 33, 61, 0.08);
  border-radius: 20px;
}

.portfolio-stack-card h4 {
  margin: 0 0 18px;
  color: #0b1b35;
  font-size: 20px;
  line-height: 28px;
}

.portfolio-stack-card ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.portfolio-stack-card ul li {
  position: relative;
  padding-left: 20px;
  color: #5f6475;
  font-size: 16px;
  line-height: 28px;
}

.portfolio-stack-card ul li::before {
  content: "";
  position: absolute;
  top: 12px;
  left: 0;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #f96f22;
}

.portfolio-stack-card ul li + li {
  margin-top: 8px;
}

.portfolio-feature-list {
  display: grid;
  gap: 18px;
}

.portfolio-feature-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 22px 24px;
  background: #f8fafc;
  border: 1px solid rgba(20, 33, 61, 0.08);
  border-radius: 18px;
}

.portfolio-feature-item span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(249, 111, 34, 0.12);
  color: #f96f22;
  font-size: 16px;
}

.portfolio-feature-item p {
  margin: 0;
}

.portfolio-highlight-grid,
.portfolio-role-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.portfolio-highlight-card,
.portfolio-role-card,
.portfolio-faq-item,
.portfolio-quote-card {
  padding: 28px;
  background: #f8fafc;
  border: 1px solid rgba(20, 33, 61, 0.08);
  border-radius: 20px;
}

.portfolio-highlight-card h4,
.portfolio-role-card h4,
.portfolio-faq-item h4 {
  margin: 0 0 14px;
  color: #0b1b35;
  font-size: 22px;
  line-height: 30px;
}

.portfolio-highlight-card p,
.portfolio-role-card p,
.portfolio-faq-item p,
.portfolio-quote-card p {
  margin: 0;
  color: #5f6475;
  font-size: 16px;
  line-height: 29px;
}

.portfolio-preview-card {
  overflow: hidden;
  background: linear-gradient(180deg, #eef3fb 0%, #f8fbff 100%);
}

.portfolio-preview-card img {
  width: 100%;
  display: block;
  height: auto;
  object-fit: contain;
  object-position: top center;
}

.portfolio-gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.portfolio-gallery-item {
  overflow: hidden;
  border-radius: 20px;
  border: 1px solid rgba(20, 33, 61, 0.08);
  background: #f8fafc;
}

.portfolio-gallery-item img {
  width: 100%;
  display: block;
  aspect-ratio: 16 / 11;
  object-fit: cover;
  transition: transform 0.35s ease;
}

.portfolio-gallery-item:hover img {
  transform: scale(1.04);
}

.portfolio-quote-card {
  border-left: 5px solid #FBC113;
}

.portfolio-faq-list {
  display: grid;
  gap: 18px;
}

@media (max-width: 991px) {
  .portfolio-filter-tabs {
    margin-bottom: 32px;
  }

  .portfolio-detail-hero-card,
  .portfolio-doc-card {
    padding: 28px 24px;
  }

  .portfolio-doc-grid,
  .portfolio-stack-grid,
  .portfolio-gallery-grid,
  .portfolio-highlight-grid,
  .portfolio-role-grid {
    grid-template-columns: 1fr;
  }

  .portfolio-card-content {
    padding: 28px 24px;
  }

  .portfolio-cta-strip {
    padding: 28px 24px;
  }
}