.portfolio-page {
  margin: 2rem 10%;
  display: grid;
  gap: 2rem;
}

.portfolio-page header,
.project-page header {
  background: transparent;
  border: 0;
  box-shadow: none;
  position: static;
  top: auto;
  z-index: auto;
}

.portfolio-page header p,
.project-page header p {
  z-index: auto;
}

.portfolio-hero {
  background: var(--bg-surface);
  border: 4px solid var(--border-strong);
  padding: 1.5rem;
  box-shadow: 0 20px 30px var(--shadow-soft);
}

.portfolio-hero h1 {
  margin-top: 0;
}

.portfolio-jump-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1rem;
}

.portfolio-jump-links a {
  display: inline-block;
  background-color: var(--bg-body);
  border: 4px solid var(--border-strong);
  padding: 0.4rem 0.9rem;
}

.portfolio-block {
  background: var(--overlay-panel-80);
  border: 4px solid var(--border-strong);
  padding: 1rem;
}

.portfolio-block-header h2 {
  margin: 0 0 0.4rem;
}

.portfolio-block-header p {
  margin: 0;
  opacity: 0.9;
}

.portfolio-filters {
  margin-top: 1rem;
  display: grid;
  gap: 0.8rem;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  align-items: start;
}

.portfolio-filters label,
.tag-fieldset {
  display: grid;
  gap: 0.4rem;
}

.portfolio-filters > label {
  align-content: start;
}

.portfolio-filters select {
  border: 4px solid var(--border-strong);
  background: var(--bg-surface-deep);
  color: var(--text-primary);
  padding: 0.35rem 0.4rem;
  width: 100%;
}

.tag-fieldset {
  border: 4px solid var(--border-strong);
  padding: 0;
  position: relative;
}

.tag-dropdown-toggle {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  padding: 0.35rem 0.4rem;
  background: var(--bg-surface-deep);
  color: var(--text-primary);
  border: none;
  cursor: pointer;
  font: inherit;
}

.tag-dropdown-toggle::after {
  content: "\25BC";
  font-size: 0.7em;
  margin-left: 0.5rem;
}

.tag-dropdown-toggle[aria-expanded="true"]::after {
  content: "\25B2";
}

.tag-options {
  display: none;
  flex-direction: column;
  gap: 0;
  position: absolute;
  top: 100%;
  left: -4px;
  right: -4px;
  background: var(--bg-surface-deep);
  border: 4px solid var(--border-strong);
  border-top: none;
  max-height: 200px;
  overflow-y: auto;
  z-index: 50;
}

.tag-options.open {
  display: flex;
}

.tag-option {
  padding: 0.3rem 0.5rem;
  white-space: nowrap;
  cursor: pointer;
}

.tag-option:hover {
  background: var(--bg-surface-alt);
}

.portfolio-grid {
  margin-top: 1rem;
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
}

.project-card-grid {
  margin-top: 1rem;
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
}

.portfolio-card {
  border: 4px solid var(--border-strong);
  overflow: hidden;
  background: var(--bg-surface-alt);
  aspect-ratio: 1 / 1;
}

.portfolio-card-link {
  position: relative;
  display: block;
  line-height: 0;
  width: 100%;
  height: 100%;
}

.portfolio-card img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}

.portfolio-card-hover-title {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 0.45rem 0.6rem;
  background: var(--overlay-panel-ink);
  color: var(--text-primary);
  font-weight: 700;
  font-size: 0.95rem;
  line-height: 1.25;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 180ms ease, transform 180ms ease;
}

.portfolio-card-link:hover .portfolio-card-hover-title,
.portfolio-card-link:focus-visible .portfolio-card-hover-title {
  opacity: 1;
  transform: translateY(0);
}

.portfolio-card-content {
  padding: 0.75rem;
}

.portfolio-card-content h3 {
  margin: 0 0 0.5rem;
}

.portfolio-meta,
.portfolio-tags {
  font-size: 0.85rem;
  opacity: 0.85;
}

.portfolio-external-link {
  margin-top: 0.35rem;
  display: inline-block;
  border: 4px solid var(--border-strong);
  padding: 0.2rem 0.55rem;
}

.project-card {
  border: 4px solid var(--border-strong);
  overflow: hidden;
  color: inherit;
  text-decoration: none;
  background: var(--bg-surface-deep);
  display: flex;
  flex-direction: column;
}

.project-card-thumb-wrap {
  background: var(--bg-surface-deep);
}

.project-card-thumb {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  display: block;
}

.project-card-body {
  padding: 0.9rem;
}

.project-card-logo {
  max-height: 46px;
  width: auto;
  display: block;
  margin-bottom: 0.6rem;
}

.project-card h3 {
  margin: 0;
}

.portfolio-year-heading {
  grid-column: 1 / -1;
  margin: 0.5rem 0 0;
  padding-bottom: 0.3rem;
  border-bottom: 2px solid var(--border-faint);
  font-size: 1.2rem;
}

.portfolio-year-heading:first-child {
  margin-top: 0;
}

.portfolio-empty {
  margin-top: 1rem;
  opacity: 0.8;
}

.project-page {
  margin: 2rem 10%;
  border: 4px solid var(--border-strong);
  background: var(--overlay-panel-90);
  padding: 1rem;
}

.project-page-hero {
  display: grid;
  grid-template-columns: minmax(220px, 320px) 1fr;
  gap: 1rem;
}

.project-page-thumb {
  width: 100%;
  object-fit: cover;
  border: 4px solid var(--border-strong);
}

.project-page-sections {
  margin-top: 1rem;
  display: grid;
  gap: 1rem;
}

.project-section {
  border-top: 4px solid var(--border-faint);
  padding-top: 0.8rem;
}

.portfolio-item-page {
  margin: 2rem 10%;
  border: 4px solid var(--border-strong);
  background: var(--overlay-panel-90);
  padding: 1.5rem;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.portfolio-item-page h1 {
  margin: 0 0 1rem;
  text-align: center;
}

.portfolio-item-thumb {
  width: 100%;
  border: 4px solid var(--border-strong);
  object-fit: cover;
  display: block;
}

.portfolio-item-description {
  margin-top: 1rem;
}

.portfolio-item-description a {
  color: var(--text-accent);
}

.portfolio-item-description img,
.portfolio-item-description video {
  max-width: 100%;
}

.portfolio-item-footer {
  margin-top: 1rem;
  padding-top: 0.8rem;
  border-top: 2px solid var(--border-faint);
}

.portfolio-item-nav {
  display: flex;
  justify-content: center;
  gap: 0;
  margin-top: 1.5rem;
  flex-wrap: nowrap;
  overflow-x: auto;
  flex-direction: row;
}

.portfolio-nav-btn {
  white-space: nowrap;
  padding: 0.5rem 1.2rem;
  background: var(--bg-surface);
  color: var(--neutral-light);
  text-decoration: none;
  font-size: 0.9rem;
  border: 4px solid var(--border-strong);
  cursor: pointer;
  transition: background 0.15s;
}

.portfolio-nav-btn:not(:first-child) {
  border-left: 1px solid;
}

.portfolio-nav-btn:not(:last-child) {
  border-right: 1px solid;
}

.portfolio-nav-btn:hover:not(.disabled) {
  background: var(--accent-alert);
}

.portfolio-nav-btn.disabled {
  opacity: 0.4;
  cursor: default;
  pointer-events: none;
}

.portfolio-item-content h1 {
  margin-top: 0;
}

@media (max-width: 900px) {
  .portfolio-page,
  .project-page,
  .portfolio-item-page {
    margin: 1rem;
  }

  .project-page-hero {
    grid-template-columns: 1fr;
  }
}