/* Project Portfolio (/math/projects/portfolio/). Generated markup: tools/lib/projects-portfolio.mjs.
   Behaviour: portfolio.mjs. Unit colour comes from the --unit-N tokens with the same fallbacks
   the gallery uses. Colour is never the only carrier of status: every status is also text. */
.pf-body {
  margin: 0;
  background: #f7f5ee;
  color: #142c3b;
  font-family: "Atkinson Hyperlegible", system-ui, sans-serif;
  font-size: 17px;
  line-height: 1.55;
}
.pf-body :is(button, input) {
  font-family: inherit;
}
.pf-sr {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}
.pf-skip {
  position: absolute;
  left: 12px;
  top: -80px;
  z-index: 10;
  background: #fff;
  color: #142c3b;
  padding: 10px 16px;
  border-radius: 8px;
  font-weight: 700;
}
.pf-skip:focus {
  top: 12px;
}
.pf-sitebar {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 20px;
  align-items: center;
  justify-content: space-between;
  padding: 8px 20px;
  background: #fff;
  border-bottom: 1px solid #c1cdc9;
}
.pf-sitebar .brand {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  gap: 8px;
  font-weight: 700;
  color: #142c3b;
  text-decoration: none;
}
.pf-sitebar .brand span {
  font-weight: 400;
  color: #405764;
}
.pf-sitebar nav {
  display: flex;
  gap: 18px;
}
.pf-sitebar nav a,
.pf-nav a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  color: #124f7a;
  font-weight: 700;
}
.pf {
  max-width: 1180px;
  margin: 0 auto;
  padding: 28px 20px 40px;
}
.pf a {
  color: #124f7a;
}
.pf :is(a, button, input, summary):focus-visible,
.pf-cert-dialog :is(button, a):focus-visible,
.pf-nav a:focus-visible {
  outline: 3px solid #124f7a;
  outline-offset: 3px;
}
.pf-eyebrow {
  margin: 0;
  font-weight: 700;
  color: #405764;
}
.pf-hero h1 {
  margin: 4px 0 8px;
  font-size: clamp(2rem, 5.4vw, 3.2rem);
  line-height: 1.05;
  text-wrap: balance;
}
.pf-lede {
  max-width: 62ch;
  margin: 0 0 18px;
  color: #2c4352;
}
.pf-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 12px;
  margin: 0 0 18px;
  max-width: 820px;
}
.pf-stats > div {
  background: #fff;
  border: 1px solid #c1cdc9;
  border-radius: 8px;
  padding: 12px 16px;
}
.pf-stats dt {
  font-size: 0.85rem;
  font-weight: 700;
  color: #405764;
}
.pf-stats dd {
  margin: 2px 0 0;
  font-size: 1.7rem;
  font-weight: 700;
  line-height: 1.2;
}
.pf-stats [hidden] {
  display: none;
}
.pf-note {
  max-width: 62ch;
  margin: 0 0 16px;
  padding: 10px 14px;
  background: #fff;
  border-left: 6px solid #b53e20;
  border-radius: 6px;
}
.pf-noscript {
  margin: 0;
}
.pf-tools {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 24px;
  align-items: flex-end;
}
.pf-name {
  flex: 1 1 280px;
  max-width: 420px;
}
.pf-name label {
  display: block;
  font-weight: 700;
  font-size: 0.9rem;
  margin-bottom: 4px;
}
.pf-name input {
  width: 100%;
  box-sizing: border-box;
  min-height: 44px;
  padding: 8px 12px;
  font-size: 1rem;
  color: #142c3b;
  background: #fff;
  border: 2px solid #6b7f8a;
  border-radius: 8px;
}
.pf-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  min-width: 44px;
  padding: 8px 16px;
  border: 2px solid #124f7a;
  border-radius: 8px;
  background: #fff;
  color: #124f7a;
  font-size: 0.95rem;
  font-weight: 700;
  line-height: 1.2;
  text-decoration: none;
  cursor: pointer;
}
.pf-btn:hover {
  background: #e8f1f7;
}
.pf-primary {
  background: #124f7a;
  color: #fff;
}
.pf .pf-primary {
  color: #fff;
}
.pf-primary:hover {
  background: #0d3d5e;
}
.pf [hidden],
.pf-cert-dialog [hidden] {
  display: none !important;
}
.pf-empty {
  margin: 24px 0 0;
  max-width: 760px;
  background: #fff;
  border: 1px solid #c1cdc9;
  border-left: 6px solid #11675d;
  border-radius: 8px;
  padding: 18px 22px;
}
.pf-empty h2 {
  margin: 0 0 8px;
  font-size: 1.25rem;
}
.pf-empty ol {
  margin: 8px 0 0;
  padding-left: 22px;
}
.pf-units {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  gap: 28px;
}
.pf-unit {
  border-top: 5px solid var(--pf-unit);
  padding-top: 10px;
}
.pf-unit-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px 16px;
}
.pf-unit-head h2 {
  margin: 0;
  font-size: 1.35rem;
}
.pf-unit-meta {
  margin: 0;
  flex: 1;
  color: #405764;
  font-weight: 700;
}
.pf-cards {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 340px), 1fr));
  gap: 14px;
  align-items: start;
}
.pf-card {
  background: #fff;
  border: 1px solid #c1cdc9;
  border-left: 6px solid var(--pf-unit);
  border-radius: 8px;
  padding: 14px 16px;
}
.pf-card[data-status="complete"] {
  border-color: #11675d;
  border-left-color: #11675d;
}
.pf-card-head h3 {
  margin: 0;
  font-size: 1.1rem;
  line-height: 1.25;
}
.pf-chips {
  margin: 6px 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.pf-chip {
  font-size: 0.8rem;
  font-weight: 700;
  padding: 1px 8px;
  border: 1px solid #a9b8b4;
  border-radius: 999px;
  color: #2c4352;
}
.pf-status {
  display: inline-block;
  margin: 10px 0 0;
  padding: 2px 12px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.9rem;
}
.pf-card[data-status="complete"] .pf-status {
  background: #dff1e7;
  color: #0b5a45;
}
.pf-card[data-status="in-progress"] .pf-status {
  background: #e1edf6;
  color: #0f4a73;
}
.pf-card[data-status="not-started"] .pf-status {
  background: #eceeed;
  color: #3b4f5b;
}
.pf-artifact {
  margin-top: 10px;
  font-size: 0.95rem;
}
.pf-artifact p {
  margin: 4px 0;
}
.pf-artifact details {
  margin-top: 8px;
  border-top: 1px solid #dfe5e2;
  padding-top: 6px;
}
.pf-artifact summary {
  display: flex;
  align-items: center;
  min-height: 44px;
  font-weight: 700;
  cursor: pointer;
  color: #124f7a;
}
.pf-artifact dl {
  margin: 4px 0 0;
}
.pf-artifact dt {
  margin-top: 8px;
  font-weight: 700;
  font-size: 0.85rem;
  color: #405764;
}
.pf-artifact dd {
  margin: 2px 0 0;
  overflow-wrap: anywhere;
  white-space: pre-wrap;
}
.pf-artifact ul {
  margin: 2px 0 0;
  padding-left: 20px;
}
.pf-links {
  margin: 12px 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.pf-nav {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 20px 12px;
  display: flex;
  flex-wrap: wrap;
  gap: 4px 20px;
}
.pf-footer {
  max-width: 1180px;
  margin: 0 auto;
  padding: 8px 20px 40px;
  color: #405764;
  font-size: 0.9rem;
}
.pf-footer a {
  color: #124f7a;
}
.pf-live {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
}

/* ---------- certificate ---------- */
.pf-cert-dialog {
  width: min(960px, calc(100vw - 24px));
  max-height: calc(100vh - 24px);
  padding: 0;
  border: 0;
  border-radius: 12px;
  background: #f7f5ee;
  color: #142c3b;
  overflow: auto;
}
.pf-cert-dialog::backdrop {
  background: rgb(20 44 59 / 0.72);
}
.pf-cert-wrap {
  padding: 16px;
}
.pf-cert-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  padding: 14px 0 2px;
}
.pf-cert {
  position: relative;
  box-sizing: border-box;
  background: #fffdf6;
  border-radius: 6px;
  aspect-ratio: 11 / 8.5;
  min-height: 0;
  padding: 7% 9%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  text-align: center;
  container-type: inline-size;
}
.pf-cert-art {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}
.pf-cert-body {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.4cqw;
}
.pf-cert-kicker {
  margin: 0;
  font-size: max(0.75rem, 2.1cqw);
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #8a3216;
}
.pf-cert h2 {
  margin: 0;
  font-size: 4.4cqw;
  line-height: 1.12;
  text-wrap: balance;
}
.pf-cert-line {
  margin: 0;
  font-size: max(0.85rem, 2.3cqw);
  color: #2c4352;
}
.pf-cert-name {
  min-width: 46cqw;
  margin: 0.4cqw 0 0;
  padding: 0 2cqw 0.6cqw;
  border-bottom: 0.25cqw solid #142c3b;
  font-size: 4cqw;
  font-weight: 700;
  min-height: 5.6cqw;
  overflow-wrap: anywhere;
}
.pf-cert-projects {
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: max(0.9rem, 2.5cqw);
  font-weight: 700;
}
.pf-cert-meta {
  margin: 0.4cqw 0 0;
  font-size: max(0.8rem, 1.9cqw);
  color: #2c4352;
}
.pf-cert-foot {
  margin: 0.6cqw 0 0;
  font-size: max(0.8rem, 1.7cqw);
  color: #405764;
}
.pf-cert-emblem {
  display: none;
  width: 56px;
  height: 56px;
}
@media (max-width: 640px) {
  .pf-cert {
    aspect-ratio: auto;
    padding: 36px 24px;
    border: 3px solid #142c3b;
    box-shadow:
      inset 0 0 0 5px #fffdf6,
      inset 0 0 0 7px #b53e20;
  }
  .pf-cert-art {
    display: none;
  }
  .pf-cert-emblem {
    display: block;
  }
  .pf-cert-kicker {
    font-size: 0.8rem;
  }
  .pf-cert h2 {
    font-size: 1.5rem;
  }
  .pf-cert-line,
  .pf-cert-projects,
  .pf-cert-meta,
  .pf-cert-foot {
    font-size: 0.95rem;
  }
  .pf-cert-name {
    font-size: 1.5rem;
    min-width: 12em;
    min-height: 2.4rem;
  }
}

@media (max-width: 520px) {
  .pf {
    padding: 20px 16px 32px;
  }
  .pf-sitebar {
    padding: 8px 16px;
  }
  .pf-nav,
  .pf-footer {
    padding-inline: 16px;
  }
}
@media (prefers-reduced-motion: reduce) {
  .pf-btn {
    transition: none;
  }
}
@media (forced-colors: active) {
  .pf-card,
  .pf-btn,
  .pf-status {
    border: 1px solid CanvasText;
  }
}

/* ---------- print ---------- */
@media print {
  .pf-body {
    background: #fff;
    font-size: 11pt;
  }
  .pf-sitebar,
  .pf-skip,
  .pf-nav,
  .pf-tools .pf-primary,
  .pf-links,
  .pf-cert-btn,
  .pf-noscript {
    display: none !important;
  }
  .pf-name input {
    border: 0;
    border-bottom: 1px solid #000;
    border-radius: 0;
    padding: 0;
  }
  .pf-card,
  .pf-unit {
    break-inside: avoid;
  }
  .pf-cards {
    grid-template-columns: 1fr 1fr;
  }
  .pf-artifact summary {
    display: block;
    min-height: 0;
  }
  /* A certificate prints alone, landscape, on one page. */
  .pf-body.pf-printing-cert > :not(.pf-cert-dialog) {
    display: none !important;
  }
  .pf-body.pf-printing-cert .pf-cert-dialog {
    position: static;
    display: block;
    width: auto;
    max-height: none;
    overflow: visible;
    background: #fff;
  }
  .pf-body.pf-printing-cert .pf-cert-wrap {
    padding: 0;
  }
  .pf-body.pf-printing-cert .pf-cert-actions {
    display: none;
  }
  .pf-body.pf-printing-cert .pf-cert {
    width: 100%;
    max-height: 7.6in;
    break-inside: avoid;
  }
}