/* MDP · Catálogo · pinned editorial spreads (improved)
 * 3 obras pinned 200vh cada una, parallax hero + reveals editoriales.
 * Mejoras vs original: chapter indicator, layout alternado (left/right card),
 * tipografía más dramática, edges suaves, glassmorphism más sutil.
 * Driver: scripts/projects.js setea --p (0..1) en cada .project-spread
 */

@import url("./tokens.css");

/* ============ SECTION ============ */
.act-catalogo {
  background: var(--carbon-1000);
  color: var(--paper-50);
  border-top: 0;
}

/* ============ PROJECT SPREAD ============ */
.project-spread {
  position: relative;
  height: 200vh;
  background: var(--carbon-1000);
  --p: 0;
}
.ps-track {
  position: relative;
  height: 100%;
}
.ps-stage {
  position: sticky;
  top: 0;
  height: 100vh;
  width: 100%;
  overflow: hidden;
  color: var(--paper-50);
}

/* ---- Layer 1 · Hero (parallax + slight zoom on scroll) ---- */
.ps-hero {
  position: absolute;
  inset: 0;
  z-index: 1;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  transform:
    scale(calc(1.06 + var(--p) * 0.06))
    translateY(calc(var(--p) * -8%));
  transform-origin: center 55%;
  will-change: transform;
}
/* Para imágenes portrait/limitadas · sin zoom-crop, sin parallax-scale */
.project-spread[data-fit="contain"] .ps-hero {
  background-size: contain;
  background-color: var(--carbon-1000);
  background-position: right center;
  transform: translateY(calc(var(--p) * -3%));
}
.project-spread[data-fit="contain"] .ps-veil {
  background:
    linear-gradient(180deg,
      rgba(0,0,0,0.55) 0%,
      rgba(0,0,0,0.20) 40%,
      rgba(0,0,0,0.35) 70%,
      rgba(0,0,0,0.85) 100%),
    linear-gradient(90deg,
      rgba(14, 12, 10, 0.85) 0%,
      rgba(14, 12, 10, 0.55) 35%,
      rgba(0,0,0,0) 60%);
}

/* ---- Layer 2 · Veil (legibility) ---- */
.ps-veil {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  background:
    linear-gradient(180deg,
      rgba(0,0,0,0.50) 0%,
      rgba(0,0,0,0.18) 28%,
      rgba(0,0,0,0.32) 60%,
      rgba(0,0,0,0.82) 100%),
    linear-gradient(90deg,
      rgba(0,0,0,0.55) 0%,
      rgba(0,0,0,0.10) 50%,
      rgba(0,0,0,0) 100%);
}
.project-spread[data-align="right"] .ps-veil {
  background:
    linear-gradient(180deg,
      rgba(0,0,0,0.50) 0%,
      rgba(0,0,0,0.18) 28%,
      rgba(0,0,0,0.32) 60%,
      rgba(0,0,0,0.82) 100%),
    linear-gradient(270deg,
      rgba(0,0,0,0.55) 0%,
      rgba(0,0,0,0.10) 50%,
      rgba(0,0,0,0) 100%);
}

/* ---- Layer 3 · Grain ---- */
.ps-grain {
  position: absolute; inset: 0; z-index: 3;
  pointer-events: none;
  opacity: 0.05;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0  0 0 0 0 0  0 0 0 0 0  0 0 0 0.55 0'/></filter><rect width='200' height='200' filter='url(%23n)'/></svg>");
  background-size: 200px 200px;
}

/* ---- Layer 3.5 · Chapter indicator (top center, eyebrow) ---- */
.ps-chapter {
  position: absolute;
  top: clamp(96px, 12vh, 132px);
  left: 50%;
  transform: translateX(-50%);
  z-index: 5;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.42em;
  text-transform: uppercase;
  color: rgba(250, 247, 240, 0.68);
  text-shadow: 0 1px 6px rgba(0, 0, 0, 0.6);
  pointer-events: none;
  opacity: 0;
  transition: opacity 700ms var(--ease-cinematic);
}
.project-spread.is-pinned .ps-chapter { opacity: 1; }

/* ---- Layer 4 · Number watermark · variable position por proyecto ---- */
.ps-number {
  position: absolute;
  z-index: 4;
  right: clamp(48px, 7vw, 120px);
  bottom: clamp(96px, 14vh, 180px);
  pointer-events: none;
  text-align: right;
  transform:
    perspective(1800px)
    rotateY(calc(-6deg + var(--p) * 12deg))
    rotateX(calc(2deg - var(--p) * 4deg));
  transform-style: preserve-3d;
  opacity: 0;
  transition: opacity 900ms var(--ease-cinematic);
  will-change: transform, opacity;
}
.project-spread.is-engaged .ps-number { opacity: 0.92; }

/* alineación inversa para spread con data-align="right" (number lado izq) */
.project-spread[data-align="right"] .ps-number {
  right: auto;
  left: clamp(48px, 7vw, 120px);
  text-align: left;
  transform:
    perspective(1800px)
    rotateY(calc(6deg - var(--p) * 12deg))
    rotateX(calc(2deg - var(--p) * 4deg));
}

.ps-number-value {
  display: block;
  font-family: var(--sans-display);
  font-style: italic;
  font-weight: 400;
  font-size: clamp(72px, 9.5vw, 168px);
  line-height: 0.82;
  letter-spacing: -0.04em;
  color: var(--paper-50);
  text-shadow: 0 10px 48px rgba(0, 0, 0, 0.75),
               0 2px 6px rgba(0, 0, 0, 0.55);
}
.ps-number-value.is-cpi {
  font-style: normal;
  letter-spacing: -0.06em;
  font-size: clamp(56px, 7.5vw, 132px);
}
.ps-number-label {
  display: block;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.42em;
  text-transform: uppercase;
  color: rgba(250, 247, 240, 0.72);
  margin-top: 12px;
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.55);
}

/* ---- Layer 5 · Editorial content · split layout ---- */
.ps-content {
  position: relative;
  z-index: 5;
  height: 100%;
  max-width: 1440px;
  margin: 0 auto;
  padding: 32px var(--pad-x) 48px;
  display: grid;
  grid-template-columns: minmax(0, 560px) 1fr;
  align-items: center;
  gap: 32px;
}
.project-spread[data-align="right"] .ps-content {
  grid-template-columns: 1fr minmax(0, 560px);
}
.project-spread[data-align="right"] .ps-card { grid-column: 2; }

/* Text card · Apple Liquid Glass (v4 · 2026-05-13)
   blur fuerte + saturate alto + inner highlight + hairline borders + long shadow.
   Sobre dark render, glass dark con tint cantera sutil. */
.ps-card {
  position: relative;
  padding: 28px 36px 32px;
  max-height: calc(100vh - 96px);
  background:
    linear-gradient(165deg, rgba(255,255,255,0.06) 0%, rgba(255,255,255,0) 40%),
    rgba(14, 12, 10, 0.32);
  backdrop-filter: blur(32px) saturate(180%) brightness(0.92);
  -webkit-backdrop-filter: blur(32px) saturate(180%) brightness(0.92);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 20px;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.12),
    inset 0 0 0 1px rgba(180, 117, 74, 0.06),
    0 1px 2px rgba(0, 0, 0, 0.18),
    0 24px 48px -16px rgba(0, 0, 0, 0.48),
    0 48px 96px -32px rgba(0, 0, 0, 0.4);
  isolation: isolate;
  overflow: hidden;
  transition: transform 600ms var(--ease-cinematic),
              box-shadow 600ms var(--ease-cinematic),
              border-color 600ms var(--ease-cinematic);
}
/* Inner spec highlight (Apple "specular" sheen on top edge) */
.ps-card::before {
  content: '';
  position: absolute;
  top: 0; left: 10%; right: 10%;
  height: 1px;
  background: linear-gradient(90deg,
    transparent 0%,
    rgba(255,255,255,0.32) 50%,
    transparent 100%);
  pointer-events: none;
  z-index: 0;
}
/* Soft gradient overlay para depth interno (no anula contenido) */
.ps-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 60% at 50% 0%,
    rgba(180, 117, 74, 0.08) 0%,
    transparent 60%);
  pointer-events: none;
  z-index: 0;
}
.ps-card > * { position: relative; z-index: 1; }

.project-spread.is-engaged .ps-card {
  border-color: rgba(255, 255, 255, 0.14);
}
.project-spread[data-align="right"] .ps-card {
  /* simetría · ambos lados igual */
}

/* Header · stacked vertical */
.ps-header {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 6px;
  margin-bottom: 16px;
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 700ms var(--ease-cinematic),
              transform 700ms var(--ease-cinematic);
}
.project-spread.is-pinned .ps-header { opacity: 1; transform: translateY(0); }

.ps-num {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.42em;
  text-transform: uppercase;
  color: var(--accent-warm);
  text-shadow: 0 1px 6px rgba(0, 0, 0, 0.5);
}
.ps-name {
  font-family: var(--sans-display);
  font-weight: 400;
  font-size: clamp(44px, 5.6vw, 92px);
  line-height: 0.94;
  margin: 4px 0;
  letter-spacing: -0.024em;
  color: var(--paper-50);
  text-shadow: 0 4px 28px rgba(0, 0, 0, 0.6);
}
.ps-loc {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.36em;
  text-transform: uppercase;
  color: rgba(250, 247, 240, 0.65);
  text-shadow: 0 1px 6px rgba(0, 0, 0, 0.5);
}

/* Body · reveals con engaged */
.ps-body {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 800ms var(--ease-cinematic) 200ms,
              transform 800ms var(--ease-cinematic) 200ms;
}
.project-spread.is-engaged .ps-body { opacity: 1; transform: translateY(0); }

.ps-lead {
  font-family: var(--sans-display);
  font-style: italic;
  font-weight: 400;
  font-size: clamp(18px, 1.5vw, 24px);
  line-height: 1.42;
  margin: 0 0 28px;
  color: var(--paper-50);
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.55);
}
.ps-dropcap {
  font-family: var(--sans-display);
  font-style: italic;
  font-size: 3.8em;
  line-height: 0.85;
  float: left;
  margin: 0 14px 0 0;
  color: var(--accent-warm);
  text-shadow: 0 2px 14px rgba(0, 0, 0, 0.6);
}

.ps-specs {
  margin: 0 0 24px;
  display: grid;
  gap: 0;
}
.ps-specs > div {
  display: grid;
  grid-template-columns: clamp(90px, 9vw, 120px) 1fr;
  gap: 22px;
  padding: 10px 0;
  border-bottom: 1px solid rgba(250, 247, 240, 0.20);
}
.ps-specs > div:first-child { border-top: 1px solid rgba(250, 247, 240, 0.20); }
.ps-specs dt {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.36em;
  text-transform: uppercase;
  color: rgba(250, 247, 240, 0.55);
  margin: 0;
}
.ps-specs dd {
  font-family: var(--sans);
  font-weight: 400;
  font-size: 14px;
  letter-spacing: 0.005em;
  color: var(--paper-50);
  margin: 0;
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.4);
}

.ps-cta { display: flex; }
.ps-cta .btn-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--paper-50);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.36em;
  text-transform: uppercase;
  border-bottom: 1px solid var(--paper-50);
  padding-bottom: 6px;
  text-decoration: none;
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.4);
  transition: color 320ms, border-color 320ms, padding-right 320ms;
}
.ps-cta .btn-link:hover {
  color: var(--accent-warm);
  border-bottom-color: var(--accent-warm);
}

/* ============================================================
   FOOT · catálogo completo CTA (dark)
   ============================================================ */
.ps-foot {
  background: var(--carbon-1000);
  color: var(--paper-50);
  padding: clamp(80px, 11vh, 132px) var(--pad-x);
  text-align: center;
  border-top: 1px solid rgba(250, 247, 240, 0.10);
}
.ps-foot-cta {
  display: inline-flex;
  align-items: baseline;
  gap: 24px;
  text-decoration: none;
  color: var(--paper-50);
  transition: color 320ms;
}
.ps-foot-cta:hover { color: var(--accent-warm); }

.ps-foot-cta-label {
  font-family: var(--sans-display);
  font-style: italic;
  font-weight: 400;
  font-size: clamp(24px, 2.6vw, 40px);
  letter-spacing: -0.012em;
}
.ps-foot-cta-meta {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.36em;
  text-transform: uppercase;
  color: rgba(250, 247, 240, 0.55);
}
.ps-foot-cta-arrow {
  font-size: 22px;
  display: inline-block;
  transition: transform 320ms var(--ease-out-expo);
}
.ps-foot-cta:hover .ps-foot-cta-arrow {
  transform: translateX(8px);
}

/* ============ RESPONSIVE ============ */
@media (max-width: 1023px) {
  .project-spread { height: 180vh; }
  /* Mobile/tablet · split vertical: render arriba visible, card abajo centrada */
  .ps-content,
  .project-spread[data-align="right"] .ps-content {
    display: flex;
    flex-direction: column;
    justify-content: flex-end;             /* card al bottom · render libre arriba */
    align-items: center;                   /* card centrada horizontal */
    padding: 38vh 20px 48px;               /* 38vh top dejados al render */
    gap: 0;
  }
  .ps-card,
  .project-spread[data-align="right"] .ps-card {
    grid-column: auto;
    width: 100%;
    max-width: 520px;
    margin-left: auto;
    margin-right: auto;
    padding: 28px 28px 32px;
  }
  .ps-number,
  .project-spread[data-align="right"] .ps-number {
    right: 20px;
    left: auto;
    bottom: auto;
    top: clamp(88px, 11vh, 132px);
    transform: perspective(1200px) rotateY(0) rotateX(0);
    text-align: right;
  }
  .ps-number-value { font-size: clamp(56px, 11vw, 92px); }
  .ps-name { font-size: clamp(40px, 7vw, 80px); }
  .ps-chapter { top: clamp(56px, 8vh, 80px); }

  .ps-foot-cta { flex-direction: column; gap: 6px; }
}

@media (max-width: 600px) {
  .project-spread { height: 170vh; }
  .ps-content,
  .project-spread[data-align="right"] .ps-content {
    padding: 34vh 16px 28px;               /* 34vh top render · 16px lateral · 28px bottom */
  }
  .ps-card,
  .project-spread[data-align="right"] .ps-card {
    width: 100%;
    max-width: 100%;                       /* full bleed con padding del content */
    padding: 22px 20px 24px;
    border-radius: 18px;
    margin: 0;
  }
  /* center the header block in mobile */
  .ps-header { align-items: flex-start; text-align: left; margin-bottom: 18px; gap: 6px; }
  .ps-name {
    font-size: clamp(30px, 8vw, 44px);
    line-height: 1.0;
    margin: 2px 0;
  }
  .ps-lead { text-align: left; }
  .ps-cta { justify-content: flex-start; }
  .ps-num, .ps-loc { font-size: 9px; letter-spacing: 0.28em; }
  .ps-lead { font-size: 15px; line-height: 1.5; margin-bottom: 18px; }
  /* dropcap mobile · letra normal, no ornamento (evita perder primera letra) */
  .ps-dropcap {
    float: none;
    display: inline;
    font-family: inherit;
    font-style: inherit;
    font-size: inherit;
    line-height: inherit;
    color: inherit;
    margin: 0;
    text-shadow: inherit;
  }
  .ps-specs > div {
    grid-template-columns: minmax(100px, 110px) 1fr;
    gap: 14px;
    padding: 9px 0;
  }
  .ps-specs dt {
    font-size: 9px;
    letter-spacing: 0.24em;
    line-height: 1.3;
    overflow-wrap: anywhere;
  }
  .ps-specs dd { font-size: 13px; line-height: 1.4; }
  .ps-number,
  .project-spread[data-align="right"] .ps-number {
    top: 24px; right: 16px; bottom: auto;
    text-align: right;
  }
  .ps-number-value { font-size: clamp(44px, 12vw, 60px); }
  .ps-number-label { font-size: 8px; letter-spacing: 0.28em; margin-top: 5px; }
  .ps-chapter { top: 60px; font-size: 9px; letter-spacing: 0.34em; }
}