/* ==========================================================================
   Portfolio landing page (overrides/portfolio.html)
   Scoped entirely under .pf so blog/essay pages are untouched.
   ========================================================================== */

.pf {
  --pf-bg: #0a0b0d;
  --pf-fg: #e9e7e4;
  --pf-dim: #9a9ca3;
  --pf-faint: #6a6d75;
  --pf-line: #1d2026;
  --pf-line-strong: #2b2f37;
  --pf-violet: #b48bff;
  --pf-mint: #62e6c9;
  --pf-pink: #ff9ad5;

  --pf-mono: ui-monospace, "SF Mono", SFMono-Regular, "JetBrains Mono",
    "Cascadia Code", Menlo, Consolas, monospace;
  --pf-serif: Charter, "Bitstream Charter", "Sitka Text", Cambria, Georgia, serif;

  max-width: 54rem;
  margin: 0 auto;
  padding: 3.5rem 1.2rem 5rem;
  color: var(--pf-fg);
  font-family: var(--pf-mono);
  font-size: 0.8rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

[data-md-color-scheme="default"] .pf {
  --pf-bg: #ffffff;
  --pf-fg: #14161a;
  --pf-dim: #55585f;
  --pf-faint: #80838a;
  --pf-line: #e6e7ea;
  --pf-line-strong: #d2d4d9;
  --pf-violet: #6a35d4;
  --pf-mint: #0a7f66;
  --pf-pink: #b8347f;
}

/* Paint the whole viewport, not just the column. */
[data-md-color-scheme="slate"] body:has(.pf),
[data-md-color-scheme="slate"] body:has(.pf) .md-main,
[data-md-color-scheme="slate"] body:has(.pf) .md-header {
  background-color: #0a0b0d;
}

.pf a {
  color: inherit;
  text-decoration: none;
}

.pf ::selection {
  background: var(--pf-violet);
  color: #0a0b0d;
}

/* --- rules ---------------------------------------------------------------- */

.pf-rule {
  height: 0;
  margin: 3.25rem 0;
  border: 0;
  border-top: 1px solid var(--pf-line);
}

.pf-kicker {
  margin: 0 0 1.6rem;
  color: var(--pf-faint);
  font-size: 0.62rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.pf-footnote {
  margin-top: 1.6rem;
  color: var(--pf-faint);
  font-size: 0.66rem;
  line-height: 1.6;
}

.pf-footnote a {
  color: var(--pf-dim);
  border-bottom: 1px solid var(--pf-line-strong);
}

.pf-footnote a:hover {
  color: var(--pf-violet);
  border-bottom-color: var(--pf-violet);
}

/* --- hero ----------------------------------------------------------------- */

.pf-eyebrow {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  margin: 0 0 1.6rem;
  color: var(--pf-faint);
  font-size: 0.62rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.pf-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--pf-mint);
  box-shadow: 0 0 0 0 rgba(98, 230, 201, 0.55);
  animation: pf-pulse 2.6s ease-out infinite;
}

@keyframes pf-pulse {
  0% { box-shadow: 0 0 0 0 rgba(98, 230, 201, 0.5); }
  70% { box-shadow: 0 0 0 7px rgba(98, 230, 201, 0); }
  100% { box-shadow: 0 0 0 0 rgba(98, 230, 201, 0); }
}

.pf-name {
  margin: 0;
  font-family: var(--pf-mono);
  font-size: clamp(2.6rem, 11vw, 4.6rem);
  font-weight: 600;
  line-height: 0.95;
  letter-spacing: -0.045em;
}

/* --- featured ------------------------------------------------------------- */

.pf-frame {
  margin: 0 0 2rem;
  padding: 0;
  border: 1px solid var(--pf-line-strong);
  border-radius: 3px;
  overflow: hidden;
  background: #000;
}

.pf-video {
  display: block;
  width: 100%;
  height: auto;
}

.pf-frame figcaption {
  padding: 0.85rem 1rem;
  border-top: 1px solid var(--pf-line);
  background: var(--pf-bg);
  color: var(--pf-faint);
  font-size: 0.66rem;
  line-height: 1.65;
}

.pf-frame figcaption strong {
  color: var(--pf-dim);
  font-weight: 600;
}

.pf-featured-body h2 {
  margin: 0;
  font-family: var(--pf-mono);
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.pf-lede {
  margin: 0.5rem 0 1.2rem;
  color: var(--pf-violet);
  font-family: var(--pf-serif);
  font-size: 1.12rem;
  font-style: italic;
}

.pf-featured-body p {
  max-width: 40rem;
  color: var(--pf-dim);
  font-family: var(--pf-serif);
  font-size: 0.95rem;
  line-height: 1.68;
}

.pf-featured-body p a {
  color: var(--pf-fg);
  border-bottom: 1px solid var(--pf-line-strong);
}

.pf-featured-body p a:hover {
  border-bottom-color: var(--pf-violet);
}

.pf-featured-body em {
  color: var(--pf-fg);
}

.pf-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 2rem;
  margin: 1.6rem 0;
  padding: 0;
  list-style: none;
  font-size: 0.66rem;
  color: var(--pf-faint);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.pf-stats span {
  display: block;
  color: var(--pf-fg);
  font-size: 0.86rem;
  letter-spacing: -0.01em;
  text-transform: none;
}

.pf-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin: 1.8rem 0 0;
}

.pf-btn {
  padding: 0.55rem 1.05rem;
  border: 1px solid var(--pf-line-strong);
  border-radius: 2px;
  color: var(--pf-dim);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  transition: color 0.16s ease, border-color 0.16s ease, background 0.16s ease;
}

.pf-btn:hover {
  color: var(--pf-fg);
  border-color: var(--pf-violet);
}

.pf-btn--primary {
  border-color: var(--pf-violet);
  color: var(--pf-violet);
}

.pf-btn--primary:hover {
  background: var(--pf-violet);
  color: #0a0b0d;
}

/* --- numbered index ------------------------------------------------------- */

.pf-index {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--pf-line);
}

.pf-row {
  position: relative;
  display: grid;
  grid-template-columns: 2.6rem minmax(0, 1fr) auto;
  gap: 0 1rem;
  align-items: baseline;
  padding: 1.05rem 0.6rem 1.05rem 0.2rem;
  border-bottom: 1px solid var(--pf-line);
  transition: background 0.16s ease, padding-left 0.16s ease;
}

.pf-row:hover {
  background: rgba(180, 139, 255, 0.05);
  padding-left: 0.65rem;
}

.pf-row--dead:hover {
  background: transparent;
  padding-left: 0.2rem;
}

/* Whole-row click target; sits under the text so selection still works. */
.pf-row-hit {
  position: absolute;
  inset: 0;
}

.pf-n {
  color: var(--pf-faint);
  font-size: 0.72rem;
  font-variant-numeric: tabular-nums;
  transition: color 0.16s ease;
}

.pf-row:hover .pf-n {
  color: var(--pf-violet);
}

.pf-row .pf-body {
  display: block;
  min-width: 0;
}

.pf-title {
  display: block;
  color: var(--pf-fg);
  font-size: 0.84rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.pf-row--dead .pf-title {
  color: var(--pf-dim);
}

/* Sits above the mouse-only overlay so the keyboard focus ring is visible. */
.pf-title a {
  position: relative;
  z-index: 1;
}

.pf-title a:focus-visible {
  outline: 2px solid var(--pf-violet);
  outline-offset: 3px;
}

.pf-line {
  display: block;
  margin-top: 0.22rem;
  color: var(--pf-faint);
  font-family: var(--pf-serif);
  font-size: 0.88rem;
  letter-spacing: 0;
  text-transform: none;
}

.pf-meta {
  color: var(--pf-faint);
  font-size: 0.62rem;
  letter-spacing: 0.04em;
  text-align: right;
  white-space: nowrap;
}

/* --- chips ---------------------------------------------------------------- */

.pf-chip {
  display: inline-block;
  margin-left: 0.5rem;
  padding: 0.08rem 0.4rem;
  border: 1px solid currentColor;
  border-radius: 2px;
  font-size: 0.55rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  vertical-align: 0.12em;
}

.pf-chip--live { color: var(--pf-mint); }
.pf-chip--design { color: var(--pf-pink); }

.pf-featured-body h2 .pf-chip {
  vertical-align: 0.34em;
}

/* --- receipts ------------------------------------------------------------- */

.pf-receipts {
  margin: 0;
  padding: 0;
  list-style: none;
}

.pf-receipts li {
  display: grid;
  grid-template-columns: 4.5rem minmax(0, 1fr);
  gap: 0 1rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--pf-line);
}

.pf-receipts li:first-child {
  border-top: 1px solid var(--pf-line);
}

.pf-label {
  color: var(--pf-faint);
  font-size: 0.6rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.pf-receipts .pf-body a {
  color: var(--pf-fg);
  font-size: 0.84rem;
  border-bottom: 1px solid var(--pf-line-strong);
}

.pf-receipts .pf-body a:hover {
  color: var(--pf-violet);
  border-bottom-color: var(--pf-violet);
}

/* --- prose slot (page.content) -------------------------------------------- */

.pf-prose {
  font-family: var(--pf-serif);
  color: var(--pf-dim);
}

.pf-prose h2 {
  font-family: var(--pf-mono);
  font-size: 1rem;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

/* --- contact -------------------------------------------------------------- */

.pf-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem 1.6rem;
  margin: 0;
  font-size: 0.72rem;
}

.pf-links a {
  color: var(--pf-dim);
  padding-bottom: 2px;
  border-bottom: 1px solid var(--pf-line-strong);
  transition: color 0.16s ease, border-color 0.16s ease;
}

.pf-links a:hover {
  color: var(--pf-fg);
  border-bottom-color: var(--pf-violet);
}

/* --- responsive ----------------------------------------------------------- */

@media screen and (max-width: 44em) {
  .pf {
    padding: 2.5rem 1.1rem 3.5rem;
  }

  .pf-rule {
    margin: 2.5rem 0;
  }

  .pf-row {
    grid-template-columns: 2.1rem minmax(0, 1fr);
  }

  .pf-meta {
    grid-column: 2;
    margin-top: 0.35rem;
    text-align: left;
    white-space: normal;
  }

  .pf-receipts li {
    grid-template-columns: minmax(0, 1fr);
    gap: 0.35rem;
  }

  .pf-stats {
    gap: 0.9rem 1.6rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .pf-dot { animation: none; }
  .pf * { transition: none !important; }
}