/* ============================================================
   KEO REFURB — PROYECTO (detalle)
   ============================================================ */

/* ===== Hero ===== */
.pd-hero{ position:relative; height:clamp(440px,70vh,780px); overflow:hidden; background:var(--carbon); }
.pd-hero__img{ position:absolute; inset:0; }
.pd-hero__img img{ width:100%; height:100%; object-fit:cover; }
.pd-hero__veil{
  position:absolute; inset:0;
  background:linear-gradient(180deg, rgba(26,26,26,.52) 0%, rgba(26,26,26,.12) 42%, rgba(26,26,26,.82) 100%);
}
.pd-hero__inner{
  position:relative; z-index:2; height:100%;
  display:flex; flex-direction:column; justify-content:flex-end;
  padding-bottom:clamp(30px,4.5vw,70px);
}
.pd-hero .tag{
  font-size:11px; letter-spacing:.26em; text-transform:uppercase;
  color:var(--dorado-claro);
}
.pd-status{
  display:inline-block; margin-left:.9em; vertical-align:middle;
  font-size:10px; letter-spacing:.2em; text-transform:uppercase;
  color:var(--carbon); background:var(--dorado-claro);
  padding:.4em .8em; line-height:1;
}
.pd-hero h1{
  font-family:var(--serif); font-weight:500;
  font-size:clamp(44px,7.5vw,112px); line-height:.98; letter-spacing:-.015em;
  color:var(--blanco); margin-top:.12em;
}
.pd-hero__meta{
  display:flex; align-items:center; gap:1.4em; margin-top:1.1em;
  font-size:12.5px; letter-spacing:.1em; text-transform:uppercase;
  color:rgba(250,249,247,.72);
}
.pd-hero__meta .dot{ width:4px; height:4px; border-radius:50%; background:var(--acento); }

/* ===== Intro / descripción ===== */
.pd-intro{ padding:clamp(50px,6vw,110px) 0 clamp(30px,4vw,70px); }
.pd-intro .wrap{
  display:grid; grid-template-columns:minmax(180px,1fr) minmax(0,2.2fr);
  gap:1.6rem 5rem; align-items:start;
}
.pd-intro__aside{ display:flex; flex-direction:column; gap:1.3rem; }
.pd-back{
  display:inline-flex; align-items:center; gap:.6em;
  font-size:12px; letter-spacing:.16em; text-transform:uppercase; color:var(--carbon);
  border-bottom:1px solid var(--acento); padding-bottom:6px; align-self:flex-start;
  transition:gap .4s var(--ease);
}
.pd-back:hover{ gap:1em; }
.pd-intro__lead{
  font-family:var(--serif); font-weight:500;
  font-size:clamp(21px,2.1vw,32px); line-height:1.42; color:var(--carbon);
}

/* ===== Galería (masonry) ===== */
.pd-gallery{ padding:clamp(20px,3vw,50px) 0 var(--sec-y); }
.pd-gallery__head{ display:flex; align-items:baseline; gap:1.6rem; margin-bottom:clamp(24px,3vw,44px); }
.pd-gallery__head .rule-gold{ flex:0 0 54px; }
.pd-masonry{ display:grid; grid-template-columns:repeat(3,1fr); gap:clamp(12px,1.6vw,24px); }
@media (max-width:1100px){ .pd-masonry{ grid-template-columns:repeat(2,1fr); } }
@media (max-width:560px){ .pd-masonry{ grid-template-columns:1fr; } }
.pd-item{
  aspect-ratio:1/1;
  overflow:hidden; cursor:zoom-in; background:var(--piedra-claro);
  border:0; padding:0; display:block; width:100%;
  opacity:0; transform:translateY(16px);
  animation:pdFade .9s var(--ease) forwards;
}
@keyframes pdFade{ to{ opacity:1; transform:none; } }
@media (prefers-reduced-motion:reduce){ .pd-item{ opacity:1; transform:none; animation:none; } }
.pd-item img{ width:100%; height:100%; object-fit:cover; transition:transform 1.3s var(--ease); }
.pd-item:hover img{ transform:scale(1.035); }

/* ===== Navegación entre proyectos ===== */
.pd-nav{ border-top:1px solid var(--piedra); display:grid; grid-template-columns:1fr 1fr; }
.pd-nav a{
  display:flex; flex-direction:column; gap:.5em;
  padding:clamp(30px,4.5vw,60px) var(--pad-x);
  transition:background .35s var(--ease);
}
.pd-nav a + a{ border-left:1px solid var(--piedra); text-align:right; align-items:flex-end; }
.pd-nav a:hover{ background:var(--piedra-claro); }
.pd-nav .k{ font-size:11px; letter-spacing:.24em; text-transform:uppercase; color:var(--piedra-texto); }
.pd-nav h3{ font-family:var(--serif); font-weight:500; font-size:clamp(22px,2.4vw,36px); color:var(--carbon); }
.pd-nav a:hover h3{ color:var(--acento); }

/* ===== CTA ===== */
.pd-cta{ background:var(--carbon); color:var(--blanco); text-align:center; padding:clamp(60px,8vw,130px) var(--pad-x); }
.pd-cta h2{ font-size:var(--fs-h2); color:var(--blanco); max-width:18ch; margin-inline:auto; }
.pd-cta .btn{ margin-top:clamp(24px,3vw,40px); }

/* ===== Lightbox ===== */
.lb{
  position:fixed; inset:0; z-index:400; background:rgba(18,17,16,.96);
  display:flex; align-items:center; justify-content:center;
  opacity:0; pointer-events:none; transition:opacity .35s var(--ease);
}
.lb.open{ opacity:1; pointer-events:auto; }
.lb img{ max-width:92vw; max-height:84vh; object-fit:contain; box-shadow:0 30px 80px rgba(0,0,0,.5); }
.lb__x, .lb__prev, .lb__next{
  position:absolute; z-index:2; display:grid; place-items:center;
  color:rgba(250,249,247,.75); transition:color .3s, border-color .3s;
}
.lb__x:hover, .lb__prev:hover, .lb__next:hover{ color:var(--blanco); }
.lb__x{ top:18px; right:22px; width:44px; height:44px; font-size:26px; }
.lb__prev, .lb__next{
  top:50%; transform:translateY(-50%);
  width:52px; height:52px; border:1px solid rgba(250,249,247,.3); border-radius:50%;
  font-size:20px;
}
.lb__prev{ left:clamp(8px,2vw,28px); }
.lb__next{ right:clamp(8px,2vw,28px); }
.lb__prev:hover, .lb__next:hover{ border-color:var(--acento); }
.lb__count{
  position:absolute; bottom:20px; left:50%; transform:translateX(-50%);
  font-size:12px; letter-spacing:.18em; color:rgba(250,249,247,.65);
  font-variant-numeric:tabular-nums;
}
.lb-lock{ overflow:hidden; }

/* ===== Responsive ===== */
@media (max-width:820px){
  .pd-intro .wrap{ grid-template-columns:1fr; gap:1.8rem; }
  .pd-masonry{ column-count:2; column-gap:10px; }
  .pd-item{ margin-bottom:10px; }
  .pd-nav a{ padding:clamp(22px,5vw,34px) var(--pad-x); }
  .lb__prev, .lb__next{ width:42px; height:42px; }
}
@media (max-width:480px){
  .pd-hero{ height:clamp(380px,58vh,520px); }
  .pd-hero h1{ font-size:clamp(38px,11vw,56px); }
}