/* Scoped additions: the shared Chirpy layout and theme remain in control. */
.portfolio {
  --pf-accent: #087c82;
  --pf-soft: rgba(8, 124, 130, 0.065);
  --pf-line: var(--main-border-color, #e5e7eb);
  color: var(--text-color);
  line-height: 1.8;
  word-break: keep-all;
  overflow-wrap: anywhere;
}

html[data-mode='dark'] .portfolio {
  --pf-accent: #6cd1ce;
  --pf-soft: rgba(108, 209, 206, 0.08);
}

@media (prefers-color-scheme: dark) {
  html:not([data-mode]) .portfolio {
    --pf-accent: #6cd1ce;
    --pf-soft: rgba(108, 209, 206, 0.08);
  }
}

.portfolio h2, .portfolio h3, .portfolio h4 {
  color: var(--heading-color);
  line-height: 1.45;
  letter-spacing: -0.035em;
  word-break: keep-all;
}
.portfolio a:not(.img-link) { color: var(--pf-accent); border-bottom: 0; }
.portfolio a:focus-visible, .portfolio summary:focus-visible {
  outline: 3px solid var(--pf-accent);
  outline-offset: 5px;
  border-radius: 4px;
}
.portfolio [id] { scroll-margin-top: 5.5rem; }
.portfolio .pf-eyebrow {
  margin: 0 0 1rem;
  color: var(--pf-accent);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
}
.pf-eyebrow span { margin: 0 0.5rem; opacity: 0.45; }
.pf-hero { padding: 1.75rem 0 2.5rem; }
.portfolio .pf-hero h2 {
  margin: 0 0 1.3rem;
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  line-height: 1.4;
  font-weight: 800;
  letter-spacing: -0.055em;
}
.pf-hero h2 .pf-accent { color: var(--pf-accent); }
.pf-hero .anchor { display: none; }
.pf-introduction { max-width: 38rem; color: var(--text-muted-color); font-size: 0.98rem; }
.pf-identity { display: flex; align-items: center; gap: 0.9rem; margin-top: 1.5rem; }
.pf-identity strong { font-size: 1.05rem; color: var(--heading-color); }
.pf-identity > span { font-size: 0.8rem; color: var(--text-muted-color); }
.pf-actions { display: flex; flex-wrap: wrap; gap: 0.7rem; margin-top: 1.3rem; }
.portfolio a.pf-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.7rem;
  min-height: 44px;
  padding: 0.65rem 1.1rem;
  border: 1px solid var(--pf-line);
  border-radius: 8px;
  font-size: 0.85rem;
  font-weight: 600;
  transition: background 150ms ease;
}
.portfolio a.pf-button-primary { background: var(--pf-accent); border-color: var(--pf-accent); color: var(--main-bg); }
.portfolio a.pf-button:hover { background: var(--pf-soft); color: var(--pf-accent); border-color: var(--pf-accent); }
.pf-expertise { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.4rem; padding: 1.6rem 0; border-block: 1px solid var(--pf-line); }
.pf-expertise-item > i { font-size: 1.15rem; color: var(--pf-accent); }
.portfolio .pf-expertise h3 { margin: 0.75rem 0 0.5rem; font-size: 0.95rem; }
.pf-expertise p { margin: 0; font-size: 0.82rem; color: var(--text-muted-color); line-height: 1.75; }
.pf-section { margin-top: 3.5rem; }
.pf-section-heading { display: flex; align-items: end; justify-content: space-between; gap: 1rem; margin-bottom: 1.5rem; }
.portfolio .pf-section-heading .pf-eyebrow { margin-bottom: 0.4rem; }
.portfolio .pf-section-heading h2 { margin: 0; font-size: 1.65rem; }
.pf-count { font-size: 0.85rem; font-variant-numeric: tabular-nums; color: var(--text-muted-color); white-space: nowrap; }
.pf-project-index { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.6rem; margin-bottom: 2rem; }
.portfolio .pf-project-index a { display: flex; align-items: center; gap: 0.65rem; min-height: 48px; padding: 0.65rem 0.9rem; border: 1px solid var(--pf-line); border-radius: 8px; font-size: 0.83rem; color: var(--heading-color); }
.pf-project-index a > span { color: var(--pf-accent); font-size: 0.7rem; font-weight: 700; }
.pf-project-index a > i { margin-left: auto; color: var(--text-muted-color); font-size: 0.65rem; }
.portfolio .pf-project-index a:hover { border-color: var(--pf-accent); background: var(--pf-soft); }
.pf-project { margin-bottom: 2rem; border: 1px solid var(--pf-line); border-radius: 14px; overflow: hidden; }
.pf-project > header { padding: 1.6rem 1.6rem 0; }
.pf-project-meta { display: flex; align-items: center; gap: 0.75rem; color: var(--text-muted-color); font-size: 0.7rem; letter-spacing: 0.015em; }
.pf-project-number { display: inline-flex; align-items: center; justify-content: center; flex-shrink: 0; width: 2rem; height: 2rem; border-radius: 7px; background: var(--pf-soft); color: var(--pf-accent); font-weight: 700; }
.portfolio .pf-project h3 { margin: 1rem 0 0.4rem; font-size: 1.4rem; }
.portfolio .pf-period { margin: 0; font-size: 0.76rem; font-variant-numeric: tabular-nums; color: var(--text-muted-color); }
.pf-project-summary { margin: 1rem 0; font-size: 0.95rem; font-weight: 500; }
.portfolio .pf-tags { display: flex; flex-wrap: wrap; gap: 0.4rem; padding: 0; margin: 0 0 1.5rem; list-style: none; }
.portfolio .pf-tags li { padding: 0.2rem 0.6rem; margin: 0; background: var(--pf-soft); border-radius: 5px; color: var(--pf-accent); font-size: 0.7rem; line-height: 1.7; }
.portfolio figure { margin: 0; }
.portfolio .pf-cover { padding: 1.2rem 1.6rem 0.9rem; background: var(--pf-soft); border-block: 1px solid var(--pf-line); text-align: center; }
.portfolio figure .img-link { display: block; border: 0; border-radius: 6px; overflow: hidden; }
.portfolio figure img { display: block; width: 100%; height: auto; margin: 0 auto; border-radius: 6px; }
.portfolio .pf-cover-award .img-link { max-width: 205px; margin: 0 auto; }
.portfolio #ppe .pf-cover .img-link { max-width: 438px; margin: 0 auto; }
.portfolio figcaption { margin: 0.65rem 0 0; font-size: 0.72rem; color: var(--text-muted-color); text-align: center; }
.pf-project-body { padding: 1.5rem 1.6rem; font-size: 0.9rem; }
.portfolio .pf-project h4 { margin: 0 0 0.6rem; font-size: 0.95rem; font-weight: 700; }
.portfolio .pf-flow { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); padding: 0; margin: 1.4rem 0 1.6rem; list-style: none; border: 1px solid var(--pf-line); border-radius: 8px; overflow: hidden; }
.portfolio .pf-flow li { margin: 0; padding: 0.65rem 0.6rem; font-size: 0.72rem; line-height: 1.6; }
.pf-flow li + li { border-left: 1px solid var(--pf-line); }
.pf-flow li span { display: block; font-weight: 700; color: var(--pf-accent); font-size: 0.65rem; margin-bottom: 0.2rem; }
.pf-project-columns { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.7rem; }
.pf-project-body ul { padding-left: 1.05rem; margin: 0; }
.pf-project-body li { margin-bottom: 0.5rem; }
.pf-project-body li::marker { color: var(--pf-accent); }
.portfolio .pf-highlight { display: flex; align-items: baseline; gap: 0.7rem; margin: 1.2rem 0 0; padding: 0.85rem 1rem; border-left: 3px solid var(--pf-accent); background: var(--pf-soft); font-size: 0.83rem; font-weight: 600; }
.pf-highlight i { color: var(--pf-accent); }
.pf-details { margin-top: 1.3rem; }
.pf-details summary { cursor: pointer; min-height: 44px; padding: 0.6rem 0; color: var(--pf-accent); font-size: 0.82rem; font-weight: 600; }
.pf-details[open] summary { margin-bottom: 0.65rem; }
.portfolio .pf-details figure { margin-top: 1.2rem; }
.pf-history-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 2rem; }
.portfolio .pf-history-group h3 { margin: 0 0 1.2rem; font-size: 1rem; padding-bottom: 0.7rem; border-bottom: 1px solid var(--pf-line); }
.portfolio .pf-timeline { list-style: none; margin: 0; padding: 0 0 0 1rem; border-left: 1px solid var(--pf-line); }
.pf-timeline li { position: relative; margin: 0 0 1.25rem; }
.pf-timeline li::before { content: ''; position: absolute; top: 0.55rem; left: -1.25rem; width: 7px; height: 7px; border-radius: 50%; background: var(--pf-accent); }
.pf-timeline strong { display: block; color: var(--heading-color); font-size: 0.88rem; font-weight: 600; }
.pf-history-detail { display: block; font-size: 0.78rem; color: var(--text-muted-color); }
.pf-contact { margin-top: 3rem; padding: 2rem 0 0.5rem; border-top: 2px solid var(--pf-accent); }
.portfolio .pf-contact h2 { margin: 0 0 0.75rem; font-size: 1.65rem; }
.pf-contact p:not(.pf-eyebrow) { color: var(--text-muted-color); font-size: 0.9rem; }
.pf-contact-email { font-size: clamp(1.05rem, 2.5vw, 1.5rem); font-weight: 600; }
.pf-contact-email i { font-size: 0.8rem; margin-left: 0.5rem; }
.pf-contact-links { display: flex; flex-wrap: wrap; gap: 1.5rem; margin-top: 1.5rem; font-size: 0.8rem; }
.pf-contact-links a { padding: 0.4rem 0; }
.pf-contact-links i { margin-left: 0.3rem; font-size: 0.6rem; }

@media (max-width: 575.98px) {
  .pf-hero { padding-top: 1rem; }
  .pf-expertise { grid-template-columns: 1fr; gap: 1.2rem; }
  .pf-expertise-item { display: grid; grid-template-columns: 1.4rem 1fr; column-gap: 0.7rem; }
  .pf-expertise-item > i { margin-top: 0.2rem; }
  .portfolio .pf-expertise h3 { margin: 0 0 0.3rem; }
  .pf-expertise p { grid-column: 2; }
  .pf-project-index { grid-template-columns: 1fr; }
  .pf-project > header { padding: 1.15rem 1.1rem 0; }
  .portfolio .pf-project h3 { font-size: 1.25rem; }
  .portfolio .pf-cover { padding: 1rem 1.1rem 0.75rem; }
  .pf-project-body { padding: 1.2rem 1.1rem; }
  .pf-project-columns, .pf-history-grid { grid-template-columns: 1fr; gap: 1.3rem; }
  .portfolio .pf-flow { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .pf-flow li:nth-child(3) { border-left: 0; }
  .pf-flow li:nth-child(n+3) { border-top: 1px solid var(--pf-line); }
  .pf-section { margin-top: 2.5rem; }
}

@media (prefers-reduced-motion: reduce) {
  .portfolio a.pf-button { transition: none; }
}

@media print {
  .pf-project { break-inside: avoid; }
  .pf-actions, .pf-project-index, .pf-contact-links, .pf-details { display: none; }
}