/* ==========================================================================
   proyecto.css — ficha de proyecto (proyecto.html?p=<slug>)
   ========================================================================== */

.pj { display: block; outline: none; }
.pj-noscript { padding: 160px 0 var(--space-7); }
.pj-noscript a { text-decoration: underline; }

/* Texto partido en letras: cada palabra es una máscara */
.split-w {
  display: inline-block;
  overflow: hidden;
  vertical-align: top;
  padding: 0.16em 0 0.08em;
  margin: -0.16em 0 -0.08em;
  white-space: nowrap;
}
.split-c { display: inline-block; will-change: transform; }

/* ---------- Apertura ---------- */
.pj-hero { padding-top: clamp(120px, 16vh, 180px); }
.pj-hero__top {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
}
.pj-hero__num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(3.5rem, 9vw, 8.5rem);
  line-height: 0.85;
  letter-spacing: -0.06em;
  color: var(--muted);
}
.pj-hero__back { display: inline-flex; align-items: center; min-height: 44px; margin-bottom: 0.2rem; }
.pj-hero__back:hover { color: var(--ink); }
.pj-hero__title {
  font-size: clamp(2.6rem, 10.2vw, 12.5rem);
  font-weight: 800;
  font-variation-settings: 'wdth' 125;
  line-height: 0.9;
  letter-spacing: -0.045em;
  text-transform: uppercase;
  overflow-wrap: break-word;
}
.pj-meta {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr)) minmax(0, 2fr);
  gap: var(--space-3) var(--space-4);
  margin: var(--space-5) 0 var(--space-5);
  padding-top: var(--space-3);
  border-top: 1px solid var(--line);
}
.pj-meta dt { margin-bottom: 0.35rem; }
.pj-meta dd { margin: 0; font-size: var(--fs-sm); line-height: 1.45; color: var(--ink); }

.pj-hero__media {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background: var(--bg-alt);
  transform-origin: 50% 0%;
}
.pj-hero__inner, .pj-hero__media img { width: 100%; height: 100%; }
.pj-hero__media img { object-fit: cover; }

/* ---------- Intro ---------- */
.pj-intro {
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(0, 9fr);
  gap: var(--space-4);
  padding-block: var(--space-7);
}
.pj-intro__label { padding-top: 0.9em; }
.pj-intro__text {
  font-size: clamp(1.55rem, 3.4vw, 3.25rem);
  font-weight: 300;
  line-height: 1.18;
  letter-spacing: -0.02em;
  font-variation-settings: 'wdth' 100;
  color: var(--ink);
}
.pj-intro__text .iw { display: inline; }

/* ---------- Capítulos ---------- */
.pj-chapters { padding-bottom: var(--space-6); }
.pj-chapter {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: var(--space-4);
  align-items: center;
  padding-block: var(--space-6);
}
.pj-chapter__text { grid-column: 1 / span 5; }
.pj-chapter__media { grid-column: 7 / span 6; }
.pj-chapter--alt .pj-chapter__text { grid-column: 8 / span 5; grid-row: 1; }
.pj-chapter--alt .pj-chapter__media { grid-column: 1 / span 6; grid-row: 1; }

.pj-chapter__index {
  display: flex; align-items: center; gap: 0.75rem;
  margin-bottom: var(--space-3);
}
.pj-chapter__index::after {
  content: ''; flex: 0 0 48px; height: 1px; background: var(--muted-strong);
}
.pj-chapter__title { margin-bottom: var(--space-3); }
.pj-chapter__body {
  max-width: 42ch;
  font-size: var(--fs-lg);
  font-weight: 300;
  line-height: 1.6;
  color: var(--ink-soft);
}

.pj-fig { position: relative; overflow: hidden; background: var(--bg-alt); }
.pj-fig img { width: 100%; height: 100%; object-fit: cover; }
.pj-fig--tall { aspect-ratio: 4 / 5; }
.pj-fig--wide { aspect-ratio: 3 / 2; }
.pj-fig--sq { aspect-ratio: 1 / 1; }

/* Dúo de imágenes a distinta velocidad */
.pj-duo {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: var(--space-4);
  align-items: start;
  margin-top: var(--space-5);
}
.pj-duo .pj-fig:first-child { grid-column: 1 / span 7; }
.pj-duo .pj-fig:last-child { grid-column: 9 / span 4; margin-top: clamp(4rem, 14vw, 14rem); }
.pj-chapter--duo .pj-chapter__text { grid-column: 7 / span 6; }

/* ---------- Tira horizontal ---------- */
.pj-strip { position: relative; padding-block: var(--space-6); background: var(--bg-alt); }
.pj-strip__head {
  display: flex; justify-content: space-between; align-items: end; gap: var(--space-3);
  margin-bottom: var(--space-4);
}
.pj-strip__viewport {
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}
.pj-strip__track {
  display: flex;
  gap: var(--space-3);
  width: max-content;
  padding-inline: var(--gutter);
}
.pj-strip__item { width: min(78vw, 980px); scroll-snap-align: center; }
.pj-strip__item .pj-fig { aspect-ratio: 16 / 10; }
.pj-strip__item figcaption { margin-top: 0.75rem; display: flex; gap: 1rem; }

@media (min-width: 768px) {
  .has-motion .pj-strip {
    height: 100vh; height: 100svh;
    display: flex; flex-direction: column; justify-content: center;
    padding-block: 90px var(--space-4);
  }
  .has-motion .pj-strip__viewport { overflow: hidden; scroll-snap-type: none; }
  .has-motion .pj-strip__item { width: auto; }
  .has-motion .pj-strip__item .pj-fig { height: min(58vh, 640px); aspect-ratio: 16 / 10; }
  .pj-strip__item { width: min(60vw, 980px); }
}

/* ---------- Materiales y paleta ---------- */
.pj-mat {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  gap: var(--space-6);
  padding-block: var(--space-7);
}
.pj-mat h2 { margin-bottom: var(--space-4); }
.pj-mat__list li {
  display: flex; align-items: baseline; gap: var(--space-3);
  padding-block: 0.9rem;
  border-top: 1px solid var(--line);
  overflow: hidden;
}
.pj-mat__list li:last-child { border-bottom: 1px solid var(--line); }
.pj-mat__name {
  display: inline-block;
  font-size: clamp(1.5rem, 3vw, 2.6rem);
  font-weight: 500;
  font-variation-settings: 'wdth' 110;
  letter-spacing: -0.02em;
  line-height: 1.1;
}
.pj-palette { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--space-2); align-items: end; }
.pj-swatch__chip {
  height: clamp(160px, 28vw, 380px);
  border: 1px solid rgba(26, 26, 26, 0.08);
  border-radius: 999px 999px 4px 4px;
}
.pj-swatch:nth-child(2) .pj-swatch__chip { height: clamp(140px, 24vw, 330px); }
.pj-swatch:nth-child(3) .pj-swatch__chip { height: clamp(120px, 20vw, 280px); }
.pj-swatch:nth-child(4) .pj-swatch__chip { height: clamp(100px, 16vw, 230px); }
.pj-swatch figcaption { margin-top: 0.6rem; }

/* ---------- Siguiente proyecto ---------- */
.pj-next {
  position: relative;
  overflow: hidden;
  background: var(--bg-alt);
  border-top: 1px solid var(--line);
}
.pj-next__link {
  position: relative;
  display: block;
  min-height: clamp(420px, 70vh, 760px);
  padding-block: var(--space-6) var(--space-5);
}
.pj-next__label { display: flex; gap: 1rem; align-items: center; margin-bottom: var(--space-3); }
.pj-next__name {
  position: relative; z-index: 2;
  max-width: 11ch;
  font-size: clamp(2.6rem, 11vw, 12rem);
  font-weight: 800;
  font-variation-settings: 'wdth' 125;
  line-height: 0.9;
  letter-spacing: -0.045em;
  text-transform: uppercase;
  transition: transform var(--dur-slow) var(--ease-out);
}
.pj-next__cta {
  position: relative; z-index: 2;
  display: inline-flex; align-items: center; gap: 0.75rem;
  min-height: 44px;
  margin-top: var(--space-4);
  font-family: var(--font-mono); font-size: var(--fs-sm);
  text-transform: uppercase; letter-spacing: 0.12em;
}
.pj-next__cta svg { transition: transform var(--dur-med) var(--ease-out); }
.pj-next__cover {
  position: absolute;
  right: var(--gutter);
  bottom: 0;
  width: clamp(220px, 28vw, 420px);
  aspect-ratio: 4 / 5;
  overflow: hidden;
  z-index: 1;
  transform: translateY(38%);
}
.pj-next__cover img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform var(--dur-slow) var(--ease-out);
}
.pj-next__link:hover .pj-next__name { transform: translateX(1.5vw); }
.pj-next__link:hover .pj-next__cover img { transform: scale(1.06); }
.pj-next__link:hover .pj-next__cta svg { transform: translateX(6px); }
.pj-next__link:focus-visible { outline-offset: -6px; }
@media (min-width: 901px) {
  .pj-next__link { padding-right: calc(clamp(220px, 28vw, 420px) + var(--gutter) * 2); }
  .pj-next__name { font-size: clamp(2.6rem, 7vw, 8.5rem); }
}
.pj-next__all { padding-bottom: var(--space-5); position: relative; z-index: 3; }

.pg-footer-links { display: flex; flex-direction: column; gap: 0.25rem; }
.pg-footer-links a { display: inline-flex; align-items: center; min-height: 44px; }
.pg-footer-links a:hover { color: var(--ink); }

/* ---------- Móvil ---------- */
@media (max-width: 900px) {
  .pj-meta { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .pj-meta > div:last-child { grid-column: 1 / -1; }
  .pj-hero__media { aspect-ratio: 4 / 5; }
  .pj-intro { grid-template-columns: 1fr; gap: var(--space-2); padding-block: var(--space-6); }
  .pj-intro__label { padding-top: 0; }
  .pj-chapter, .pj-duo { grid-template-columns: 1fr; gap: var(--space-4); padding-block: var(--space-5); }
  .pj-chapter__text, .pj-chapter__media,
  .pj-chapter--alt .pj-chapter__text, .pj-chapter--alt .pj-chapter__media,
  .pj-chapter--duo .pj-chapter__text,
  .pj-duo .pj-fig:first-child, .pj-duo .pj-fig:last-child { grid-column: 1 / -1; grid-row: auto; }
  .pj-duo { padding-block: 0; margin-top: var(--space-2); }
  .pj-duo .pj-fig:last-child { width: 62%; margin-left: auto; margin-top: calc(var(--space-6) * -1); }
  .pj-mat { grid-template-columns: 1fr; gap: var(--space-5); padding-block: var(--space-6); }
  .pj-next__link { min-height: 0; padding-bottom: 0; }
  .pj-next__cover {
    position: relative; right: auto;
    width: 64%; margin: var(--space-5) 0 0 auto;
    transform: none;
  }
}
@media (max-width: 480px) {
  .pj-hero__top { flex-direction: column; align-items: flex-start; }
  .pj-chapter__body { font-size: var(--fs-base); }
}