/* ============================================================
   Warren Park — Portfolio · Project case-study pages
   Editorial layout: narrow prose measure, breakout figures,
   numbered chapters, generous vertical rhythm.
   Loaded after styles.css; inherits the Spor tokens defined there.
   ============================================================ */

:root {
  --measure: 44rem;         /* prose column */
  --measure-wide: 62rem;    /* structured blocks */
  --pp-max: 1320px;         /* page frame */
}

.pp .wrap { max-width: var(--pp-max); }

/* Reading progress */
.pp-progress {
  position: fixed; top: 0; left: 0; right: 0; height: 3px; z-index: 999;
  background: var(--accent); transform-origin: 0 50%; transform: scaleX(0);
  transition: transform .1s linear;
}

/* ---------------- Slim project nav ---------------- */
.pp-nav {
  position: sticky; top: 0; z-index: 980; background: rgba(255,255,255,.86);
  backdrop-filter: saturate(180%) blur(12px); border-bottom: 1px solid var(--border);
}
.pp-nav__inner { display: flex; align-items: center; gap: 1rem; height: 64px; }
.pp-nav__crumb { display: flex; align-items: baseline; gap: .6rem; font-size: .95rem; min-width: 0; }
.pp-nav__crumb a { color: var(--muted); font-weight: 500; }
.pp-nav__crumb a:hover { color: var(--ink); text-decoration: none; }
.pp-nav__sep { color: var(--grey-300); }
.pp-nav__name { font-weight: 700; color: var(--ink); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.pp-nav__right { margin-left: auto; display: flex; align-items: center; gap: .8rem; }

/* ---------------- Hero ---------------- */
.pp-hero { padding-top: clamp(2.5rem, 6vw, 5rem); }
.pp-back {
  display: inline-flex; align-items: center; gap: .45rem; font-family: var(--font-mono);
  font-size: .78rem; letter-spacing: .12em; text-transform: uppercase; color: var(--muted);
  margin-bottom: clamp(1.5rem, 4vw, 2.5rem);
}
.pp-back:hover { color: var(--accent); text-decoration: none; }
.pp-eyebrow {
  font-family: var(--font-mono); font-size: .8rem; letter-spacing: .14em; text-transform: uppercase;
  color: var(--accent); margin: 0 0 1.2rem;
}
.pp-title {
  font-size: clamp(2.8rem, 8vw, 6rem); line-height: .98; letter-spacing: -.035em;
  margin: 0 0 1.2rem; color: var(--ink);
}
.pp-tagline {
  font-size: clamp(1.25rem, 2.4vw, 1.75rem); line-height: 1.35; color: var(--grey-700);
  max-width: 40ch; font-weight: 400; margin: 0 0 clamp(2.5rem, 6vw, 4rem);
}
.pp-hero__media { margin: 0; }
.pp-hero__media img {
  width: 100%; max-height: 78vh; object-fit: contain; background: var(--grey-100);
  border-block: 1px solid var(--border);
}
.pp-hero__media figcaption {
  font-size: .92rem; color: var(--muted); padding-top: 1rem; max-width: var(--measure-wide);
}

/* ---------------- Facts ---------------- */
.pp-facts-band { padding-block: clamp(2.5rem, 6vw, 4.5rem); border-bottom: 1px solid var(--border); }
.pp-facts { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0; margin: 0; }
.pp-facts > div {
  display: grid; grid-template-columns: 11rem 1fr; gap: 1.5rem;
  padding: 1.1rem 0; border-top: 1px solid var(--border);
}
.pp-facts > div:first-child, .pp-facts > div:nth-child(2) { border-top: 0; }
.pp-facts dt {
  font-family: var(--font-mono); font-size: .74rem; letter-spacing: .1em; text-transform: uppercase;
  color: var(--muted); padding-top: .18rem;
}
.pp-facts dd { margin: 0; color: var(--grey-800); font-size: .98rem; line-height: 1.5; }
.pp-facts--tight > div { grid-template-columns: 13rem 1fr; }
.pp-doi { display: inline-flex; align-items: center; gap: .4rem; color: var(--accent); font-weight: 600; }

/* ---------------- Intro ---------------- */
.pp-intro-band { padding-block: clamp(3rem, 7vw, 5.5rem); }
.pp-intro { max-width: 52rem; }
.pp-intro p {
  font-size: clamp(1.15rem, 1.8vw, 1.45rem); line-height: 1.55; color: var(--grey-800);
  margin-bottom: 1.4rem;
}
.pp-intro p:first-child::first-letter {
  float: left; font-size: 4.2em; line-height: .82; padding: .05em .1em 0 0;
  color: var(--accent); font-weight: 700;
}

/* ---------------- Contents ---------------- */
.pp-contents { padding-block: clamp(2rem, 4vw, 3rem); border-block: 1px solid var(--border); }
.pp-contents__lbl {
  font-family: var(--font-mono); font-size: .74rem; letter-spacing: .14em; text-transform: uppercase;
  color: var(--muted); margin: 0 0 1.2rem;
}
.pp-contents ol { list-style: none; margin: 0; padding: 0; columns: 2; column-gap: 3rem; }
.pp-contents li { break-inside: avoid; margin-bottom: .55rem; }
.pp-contents a { display: flex; gap: .9rem; color: var(--grey-700); font-size: 1rem; }
.pp-contents a:hover { color: var(--accent); text-decoration: none; }
.pp-contents a span { font-family: var(--font-mono); font-size: .82rem; color: var(--grey-300); flex: none; padding-top: .15rem; }

/* ---------------- Sections ---------------- */
.pp-section { padding-block: clamp(3.5rem, 8vw, 7rem); border-bottom: 1px solid var(--border); }
.pp-section:last-of-type { border-bottom: 0; }
.pp-section__head {
  display: grid; grid-template-columns: 5rem 1fr; gap: 1.5rem;
  margin-bottom: clamp(2rem, 4vw, 3rem); max-width: var(--measure-wide);
}
.pp-section__n {
  font-family: var(--font-mono); font-size: 1rem; color: var(--accent); font-weight: 500;
  padding-top: .55rem; letter-spacing: .05em;
}
.pp-section__kicker {
  font-family: var(--font-mono); font-size: .76rem; letter-spacing: .14em; text-transform: uppercase;
  color: var(--muted); margin: 0 0 .6rem;
}
.pp-section__head h2 {
  font-size: clamp(1.8rem, 3.6vw, 2.9rem); line-height: 1.1; letter-spacing: -.028em; margin: 0;
}
.pp-section__body { padding-left: 6.5rem; }

/* ---------------- Prose ---------------- */
.pp-prose { max-width: var(--measure); }
.pp-prose p { font-size: 1.09rem; line-height: 1.72; color: var(--grey-700); margin-bottom: 1.25rem; }
.pp-prose p:last-child { margin-bottom: 0; }
.pp-prose + .pp-prose { margin-top: 1.25rem; }
.pp-prose strong { color: var(--ink); }
.pp-prose em { color: var(--grey-800); }

/* ---------------- Figures ---------------- */
.pp-fig { margin: clamp(2.2rem, 5vw, 3.5rem) 0; }
.pp-fig img {
  width: 100%; border-radius: var(--r-sm); background: var(--grey-100);
  border: 1px solid var(--border);
}
.pp-fig a { display: block; }
.pp-fig a:hover img { border-color: var(--accent); }
.pp-fig figcaption {
  font-size: .93rem; line-height: 1.6; color: var(--muted); margin-top: .95rem; max-width: 46rem;
}
.pp-fig--inset { max-width: 34rem; }
.pp-fig--wide { max-width: none; margin-right: calc(-1 * clamp(0rem, 6vw, 6.5rem)); }
.pp-duo { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.pp-fig--duo { max-width: none; margin-right: calc(-1 * clamp(0rem, 6vw, 6.5rem)); }

/* ---------------- Pull quote ---------------- */
.pp-quote {
  margin: clamp(2.2rem, 5vw, 3.2rem) 0; padding: 0 0 0 1.6rem;
  border-left: 3px solid var(--accent); max-width: 50rem;
}
.pp-quote p {
  font-size: clamp(1.2rem, 2vw, 1.5rem); line-height: 1.45; color: var(--ink);
  font-weight: 500; letter-spacing: -.012em; margin: 0 0 .9rem;
}
.pp-quote cite {
  font-family: var(--font-mono); font-size: .78rem; letter-spacing: .06em; color: var(--muted); font-style: normal;
}
.pp-quote--sm { margin: 1.1rem 0 0; padding-left: 1.1rem; border-left-width: 2px; }
.pp-quote--sm p { font-size: 1.04rem; font-weight: 400; color: var(--grey-800); margin-bottom: .5rem; }

/* ---------------- Numbers ---------------- */
.pp-numbers {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 1px; background: var(--border); border: 1px solid var(--border);
  border-radius: var(--r-sm); overflow: hidden; margin: 2rem 0 1rem; max-width: var(--measure-wide);
}
.pp-number { background: var(--surface); padding: 1.5rem 1.35rem; }
.pp-number b {
  display: block; font-size: 2rem; line-height: 1; letter-spacing: -.03em;
  color: var(--accent); margin-bottom: .6rem;
}
.pp-number span { font-size: .9rem; line-height: 1.45; color: var(--grey-600); }
.pp-note { font-family: var(--font-mono); font-size: .76rem; color: var(--muted); }

/* ---------------- Goals ---------------- */
.pp-goals { display: grid; gap: 1rem; max-width: var(--measure-wide); margin: 2rem 0; }
.pp-goal {
  position: relative; background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--r-md); padding: 1.6rem 1.8rem 1.6rem 5.8rem;
}
.pp-goal__tag {
  position: absolute; left: 1.5rem; top: 1.65rem; font-family: var(--font-mono); font-weight: 600;
  font-size: .82rem; color: var(--accent); letter-spacing: .04em;
}
.pp-goal h3 { font-size: 1.16rem; margin-bottom: .5rem; }
.pp-goal p { margin: 0; color: var(--grey-700); font-size: 1.01rem; line-height: 1.6; }
.pp-goal__from {
  margin-top: .8rem !important; padding-top: .75rem; border-top: 1px dashed var(--border);
  font-size: .9rem !important; color: var(--muted) !important;
}

/* ---------------- Decisions ---------------- */
.pp-decisions { max-width: var(--measure-wide); margin: 2rem 0; }
.pp-decision {
  display: grid; grid-template-columns: 3.5rem 1fr; gap: 1rem;
  padding: 1.8rem 0; border-top: 1px solid var(--border);
}
.pp-decision:first-child { border-top: 0; padding-top: 0; }
.pp-decision__n { font-family: var(--font-mono); font-size: .88rem; color: var(--grey-300); padding-top: .3rem; }
.pp-decision h3 { font-size: 1.22rem; margin-bottom: .8rem; letter-spacing: -.015em; }
.pp-decision p { font-size: 1.02rem; line-height: 1.65; color: var(--grey-700); margin: 0 0 .7rem; }
.pp-decision p:last-child { margin-bottom: 0; }
.pp-lbl {
  display: inline-block; font-family: var(--font-mono); font-size: .68rem; letter-spacing: .12em;
  text-transform: uppercase; color: var(--accent); background: var(--accent-soft);
  padding: .16rem .5rem; border-radius: var(--r-xs); margin-right: .6rem; vertical-align: 1px;
}
.pp-lbl--alt { color: var(--grey-600); background: var(--surface-2); }
.pp-decision__alt { color: var(--grey-600) !important; }

/* ---------------- Spec list ---------------- */
.pp-spec {
  max-width: var(--measure-wide); margin: 2rem 0; border-top: 1px solid var(--border);
}
.pp-spec > div {
  display: grid; grid-template-columns: 11rem 1fr; gap: 1.5rem;
  padding: 1rem 0; border-bottom: 1px solid var(--border);
}
.pp-spec dt {
  font-family: var(--font-mono); font-size: .74rem; letter-spacing: .1em; text-transform: uppercase;
  color: var(--muted); padding-top: .2rem;
}
.pp-spec dd { margin: 0; color: var(--grey-700); font-size: 1rem; line-height: 1.6; }

/* ---------------- Findings ---------------- */
.pp-findings { max-width: var(--measure-wide); margin: 2rem 0; display: grid; gap: 1.1rem; }
.pp-finding {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-md);
  padding: 1.7rem 1.9rem;
}
.pp-finding h3 { font-size: 1.16rem; margin-bottom: .6rem; letter-spacing: -.012em; }
.pp-finding > p { margin: 0; color: var(--grey-700); font-size: 1.02rem; line-height: 1.65; }

/* ---------------- Principles ---------------- */
.pp-principles {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1px;
  background: var(--border); border: 1px solid var(--border); border-radius: var(--r-sm);
  overflow: hidden; max-width: var(--measure-wide); margin: 2rem 0;
}
.pp-principle { background: var(--surface); padding: 1.7rem 1.6rem; }
.pp-principle h3 { font-size: 1.06rem; margin-bottom: .55rem; color: var(--accent); }
.pp-principle p { margin: 0; font-size: .98rem; line-height: 1.62; color: var(--grey-700); }

/* ---------------- Credits ---------------- */
.pp-credits { padding-block: clamp(3rem, 7vw, 5rem); background: var(--surface); border-top: 1px solid var(--border); }
.pp-credits h2 { font-size: clamp(1.4rem, 2.4vw, 1.9rem); margin-bottom: 1.8rem; }
.pp-cite {
  margin-top: 2rem; max-width: 58rem; font-size: .92rem; line-height: 1.65; color: var(--muted);
  padding-top: 1.4rem; border-top: 1px solid var(--border);
}
.pp-cite a { color: var(--accent); overflow-wrap: anywhere; }

/* ---------------- More work ---------------- */
.pp-more { padding-block: clamp(3rem, 7vw, 5.5rem); border-top: 1px solid var(--border); }
.pp-more__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.6rem; }
.pp-card { display: block; color: inherit; }
.pp-card:hover { text-decoration: none; }
.pp-card__img {
  display: block; aspect-ratio: 16/10; overflow: hidden; border-radius: var(--r-sm);
  border: 1px solid var(--border); background: var(--grey-100); margin-bottom: 1rem;
}
.pp-card__img img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.pp-card:hover .pp-card__img img { transform: scale(1.04); }
.pp-card__meta {
  display: block; font-family: var(--font-mono); font-size: .72rem; letter-spacing: .08em;
  text-transform: uppercase; color: var(--muted); margin-bottom: .4rem;
}
.pp-card__name { display: block; font-size: 1.35rem; font-weight: 700; color: var(--ink); letter-spacing: -.02em; margin-bottom: .3rem; }
.pp-card:hover .pp-card__name { color: var(--accent); }
.pp-card__blurb { display: block; font-size: .96rem; color: var(--grey-600); line-height: 1.5; }

/* ---------------- Responsive ---------------- */
@media (max-width: 1080px) {
  .pp-section__body { padding-left: 0; }
  .pp-fig--wide, .pp-fig--duo { margin-right: 0; }
}
@media (max-width: 860px) {
  .pp-facts { grid-template-columns: 1fr; }
  .pp-facts > div:nth-child(2) { border-top: 1px solid var(--border); }
  .pp-facts > div, .pp-facts--tight > div, .pp-spec > div { grid-template-columns: 1fr; gap: .3rem; }
  .pp-contents ol { columns: 1; }
  .pp-section__head { grid-template-columns: 1fr; gap: .5rem; }
  .pp-section__n { padding-top: 0; }
  .pp-more__grid { grid-template-columns: 1fr; }
  .pp-intro p:first-child::first-letter { font-size: 3.4em; }
}
@media (max-width: 620px) {
  .pp-duo { grid-template-columns: 1fr; }
  .pp-goal { padding: 1.4rem 1.3rem; }
  .pp-goal__tag { position: static; display: block; margin-bottom: .5rem; }
  .pp-decision { grid-template-columns: 1fr; gap: .4rem; }
  .pp-lbl { display: block; width: fit-content; margin-bottom: .35rem; }
}

@media (prefers-reduced-motion: reduce) {
  .pp-card__img img { transition: none; }
  .pp-progress { transition: none; }
}