/* =========================================================
   Pisos en el Barrio — hoja de estilos
   ========================================================= */

:root{
  --tinta:#16130f;
  --tinta-80:rgba(22,19,15,.80);
  --papel:#fbf9f6;
  --papel-2:#f3efe9;
  --bronce:#a07a4c;
  --bronce-claro:#c9a97c;
  --gris:#6f665e;
  --linea:#e3ddd4;
  --oscuro:#191512;
  --max:1180px;
  --serif:"Fira Sans",Verdana,Arial,Geneva,sans-serif;
  --sans:"Fira Sans",Verdana,Arial,Geneva,sans-serif;
}

*,*::before,*::after{box-sizing:border-box}

html{scroll-behavior:smooth}

body{
  margin:0;
  background:var(--papel);
  color:var(--tinta);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}

img{max-width:100%;display:block}
a{color:inherit}

.contenedor{max-width:var(--max);margin:0 auto;padding:0 28px}

/* ---------- tipografía ---------- */
h1,h2,h3{font-family:var(--serif);font-weight:500;margin:0;letter-spacing:-.02em}
h1{font-size:clamp(1.95rem,4.1vw,3.05rem);line-height:1.1}
h2{font-size:clamp(1.42rem,2.5vw,2rem);line-height:1.22}
h3{font-size:clamp(1.08rem,1.7vw,1.28rem);line-height:1.35}

.eyebrow{
  font-family:var(--sans);
  font-size:.7rem;
  letter-spacing:.22em;
  text-transform:uppercase;
  color:var(--bronce);
  margin:0 0 18px;
  font-weight:500;
}
.eyebrow--claro{color:var(--bronce-claro)}

p{margin:0 0 1.1em}
.entradilla{font-size:1.02rem;color:var(--gris);max-width:62ch}

/* ---------- cabecera ---------- */
.cabecera{
  position:fixed;top:0;left:0;right:0;z-index:50;
  display:flex;align-items:center;justify-content:space-between;
  gap:24px;padding:20px 28px;
  transition:background .35s ease,border-color .35s ease,padding .35s ease;
  border-bottom:1px solid transparent;
}
.cabecera.solida,.cabecera.clara{background:rgba(251,249,246,.94);backdrop-filter:blur(10px);border-bottom-color:var(--linea);padding:14px 28px}
.marca{font-family:var(--serif);font-size:1.12rem;font-weight:500;letter-spacing:-.01em;color:#fff;text-decoration:none;white-space:nowrap}
.cabecera.solida .marca,.cabecera.clara .marca{color:var(--tinta)}
.nav{display:flex;align-items:center;gap:26px}
.nav a{
  color:rgba(255,255,255,.85);text-decoration:none;
  font-size:.78rem;letter-spacing:.12em;text-transform:uppercase;
}
.cabecera.solida .nav a,.cabecera.clara .nav a{color:var(--gris)}
.nav a:hover{color:var(--bronce-claro)}
.cabecera.solida .nav a:hover,.cabecera.clara .nav a:hover{color:var(--bronce)}

.acciones{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px}
.btn{
  display:inline-block;text-decoration:none;
  padding:14px 30px;border-radius:2px;
  font-size:.76rem;letter-spacing:.16em;text-transform:uppercase;font-weight:500;
  transition:background .25s,color .25s,border-color .25s;
}
.btn--solido{background:var(--bronce);color:#fff;border:1px solid var(--bronce)}
.btn--solido:hover{background:#8c682f;border-color:#8c682f}
.btn--linea{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.45)}
.btn--linea:hover{background:rgba(255,255,255,.12);border-color:#fff}
.btn--oscuro{background:var(--tinta);color:#fff;border:1px solid var(--tinta)}
.btn--oscuro:hover{background:#000}

/* ---------- cabecera de ficha (compacta, sin hero) ---------- */
.ficha-cab{padding:118px 0 64px}
.ficha-cab h1{margin-bottom:2px}
.ficha-cab .entradilla{max-width:62ch}
.precios-mini{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
.precio-mini{
  border:1px solid var(--linea);border-radius:3px;padding:11px 18px;min-width:170px;
  background:var(--papel-2);
}
.precio-mini__et{display:block;font-size:.62rem;letter-spacing:.16em;text-transform:uppercase;color:var(--bronce)}
.precio-mini__val{display:block;font-family:var(--serif);font-weight:500;font-size:1.2rem;line-height:1.25;margin-top:3px}
.precio-mini__det{display:block;font-size:.76rem;color:var(--gris);margin-top:2px}
.ficha-cab .acciones{margin-top:26px}
.btn--linea-oscura{background:transparent;color:var(--tinta);border:1px solid var(--linea)}
.btn--linea-oscura:hover{background:var(--papel-2);border-color:var(--gris)}

/* ---------- secciones ---------- */
.seccion{padding:64px 0;border-top:1px solid var(--linea)}
.seccion--papel2{background:var(--papel-2)}
.seccion--oscura{background:var(--oscuro);color:#fff;border-top:none}
.seccion--oscura h2,.seccion--oscura h3{color:#fff}
.seccion--oscura p{color:rgba(255,255,255,.74)}
.seccion__cab{max-width:70ch;margin-bottom:36px}
.seccion__cab h2{margin-bottom:16px}

.rejilla-2{display:grid;grid-template-columns:repeat(2,1fr);gap:34px}

/* ficha de datos */
.datos{border-top:1px solid var(--linea);margin-top:8px}
.datos div{display:flex;justify-content:space-between;gap:24px;padding:14px 0;border-bottom:1px solid var(--linea)}
.datos dt{font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--gris);flex:0 0 auto;margin:0}
.datos dd{margin:0;text-align:right;font-size:.95rem}

/* galería */
.galeria{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.galeria img{width:100%;height:210px;object-fit:cover;cursor:zoom-in;transition:opacity .25s}
.galeria img:hover{opacity:.85}
.galeria figure{margin:0}
.aviso{
  background:#fff;border:1px solid var(--linea);border-left:3px solid var(--bronce);
  padding:22px 26px;color:var(--gris);font-size:.95rem;
}
.aviso p:last-child{margin-bottom:0}

/* planos */
.planos{display:grid;grid-template-columns:repeat(2,1fr);gap:28px}
.planos figure{margin:0;display:flex;flex-direction:column;gap:10px}
.planos figcaption{font-size:.92rem;font-weight:600;color:var(--tinta,inherit);text-align:center}
.planos img{
  width:100%;height:360px;object-fit:contain;object-position:center;
  border:1px solid var(--linea);background:#fff;padding:18px;box-sizing:border-box;
  cursor:zoom-in;
}

/* mapa */
.mapa{width:100%;height:330px;border:0;filter:grayscale(1) contrast(1.05)}

/* contacto */
.contacto{text-align:center;max-width:60ch;margin:0 auto}
.contacto .acciones{justify-content:center}
.contacto .btn--linea{color:var(--tinta);border-color:var(--linea)}
.contacto .btn--linea:hover{background:var(--papel-2);border-color:var(--gris)}

/* pie */
.pie{background:var(--oscuro);color:rgba(255,255,255,.55);padding:40px 0;font-size:.82rem}
.pie__fila{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap;align-items:center}
.pie a{color:rgba(255,255,255,.75);text-decoration:none}
.pie a:hover{color:var(--bronce-claro)}
.pie__legal{margin-top:26px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);font-size:.74rem;line-height:1.6;max-width:82ch}

/* =========================================================
   LISTADO (portada del sitio)
   ========================================================= */
.lista{
  max-width:1320px;margin:0 auto;padding:38px 28px 8px;
  display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:28px;
}
.lista--primera{padding-top:104px}
.tarjeta{
  display:flex;flex-direction:column;overflow:hidden;
  background:#fff;border:1px solid var(--linea);border-radius:6px;
  text-decoration:none;color:inherit;
  transition:border-color .25s ease,box-shadow .25s ease,transform .25s ease;
}
.tarjeta:hover{border-color:var(--bronce-claro);box-shadow:0 10px 28px rgba(22,19,15,.10);transform:translateY(-2px)}
.tarjeta__img{
  position:relative;overflow:hidden;background:var(--oscuro);
  aspect-ratio:4/3;
}
.tarjeta__img img{position:relative;z-index:1;width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.tarjeta:hover .tarjeta__img img{transform:scale(1.05)}
.tarjeta__ph{
  position:absolute;inset:0;z-index:0;display:flex;flex-direction:column;justify-content:center;
  padding:20px;color:#fff;
  background:
    repeating-linear-gradient(135deg,rgba(255,255,255,.02) 0 2px,transparent 2px 10px),
    radial-gradient(500px 260px at 25% 15%,#2e2620 0%,transparent 65%),
    #1d1815;
}
.tarjeta__ph .ph-zona{font-size:.58rem;letter-spacing:.18em;text-transform:uppercase;color:var(--bronce-claro);margin-bottom:8px}
.tarjeta__ph .ph-tit{font-family:var(--serif);font-weight:500;font-size:1.02rem;line-height:1.2;color:rgba(255,255,255,.92)}
.tarjeta__ph .ph-pie{margin-top:auto;font-size:.58rem;letter-spacing:.14em;text-transform:uppercase;color:rgba(255,255,255,.4)}
.tarjeta__img--plano{background:var(--papel-2);border-bottom:1px solid var(--linea)}
.tarjeta__img--plano img{object-fit:contain;padding:14px;mix-blend-mode:multiply}
.tarjeta__img--plano .tarjeta__ph{display:none}

.tarjeta__badge{
  position:absolute;top:14px;left:14px;z-index:2;
  padding:6px 13px;border-radius:2px;color:#fff;
  font-size:.66rem;letter-spacing:.12em;text-transform:uppercase;font-weight:500;
}
.badge--obra{background:var(--bronce)}
.badge--exclusiva{background:var(--tinta)}
.badge--nuevo{background:var(--bronce-claro);color:var(--tinta)}
.tarjeta__fav{
  position:absolute;top:12px;right:14px;z-index:2;
  width:36px;height:36px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:rgba(22,19,15,.35);color:#fff;font-size:1.2rem;line-height:1;
  backdrop-filter:blur(3px);
}

.tarjeta__txt{padding:22px 24px 26px;display:flex;flex-direction:column;min-width:0}
.tarjeta__ubi{font-size:.8rem;letter-spacing:.1em;text-transform:uppercase;color:var(--bronce);margin-bottom:10px;font-weight:500}
.tarjeta__txt h2{font-size:1.26rem;line-height:1.28;font-weight:500;margin-bottom:12px}
.tarjeta__precio{font-family:var(--serif);font-weight:500;font-size:1.34rem;line-height:1.2;margin-bottom:10px}
.tarjeta__precio-m2{font-family:var(--sans,inherit);font-weight:400;font-size:.72em;color:var(--gris);vertical-align:middle}
.tarjeta__feats{font-size:.88rem;color:var(--gris);line-height:1.45}

/* =========================================================
   LIGHTBOX
   ========================================================= */
.lb{position:fixed;inset:0;z-index:99;background:rgba(16,13,10,.96);display:none;align-items:center;justify-content:center}
.lb.abierto{display:flex}
.lb img{max-width:92vw;max-height:86vh;object-fit:contain}
.lb__cerrar,.lb__ant,.lb__sig{
  position:absolute;background:none;border:none;color:#fff;cursor:pointer;
  font-family:var(--serif);line-height:1;padding:14px;
}
.lb__cerrar{top:18px;right:24px;font-size:2rem}
.lb__ant{left:20px;font-size:2.6rem}
.lb__sig{right:20px;font-size:2.6rem}
.lb__cont{position:absolute;bottom:22px;left:0;right:0;text-align:center;color:rgba(255,255,255,.6);font-size:.78rem;letter-spacing:.14em}

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media(max-width:1100px){
  .lista{grid-template-columns:repeat(2,1fr);gap:18px}
}
@media(max-width:900px){
  .rejilla-2,.planos{grid-template-columns:1fr;gap:34px}
  .planos img{height:280px}
  .galeria{grid-template-columns:repeat(2,1fr)}
  .seccion{padding:52px 0}
  .ficha-cab{padding:104px 0 40px}
  .nav{gap:16px}
  .nav a{font-size:.7rem}
}
@media(max-width:600px){
  .lista{grid-template-columns:1fr;padding:26px 20px 4px;gap:14px}
  .lista--primera{padding-top:92px}
  .galeria{grid-template-columns:1fr}
  .galeria img{height:200px}
  .nav a:not(.nav__cta){display:none}
  .datos div{flex-direction:column;gap:4px}
  .datos dd{text-align:left}
  .precio{min-width:0;flex:1 1 100%}
}