/* =========================================================
   Ejemplo: Cantera Bienes Raíces
   Azul marino de despacho serio, hueso y un naranja de teja
   para lo que hay que tocar. Tarjetas limpias y muchos datos
   a la vista: aquí se viene a comparar.
   ========================================================= */
:root{
  --marino:    #10314F;
  --marino-2:  #17415F;
  --hueso:     #F5F3EF;
  --hueso-2:   #E7E3DC;
  --gris:      #56606B;   /* 6.4:1 sobre hueso */
  --tejado:    #D2601A;
  --tejado-os: #A8480D;   /* 5.0:1 sobre hueso, para letra */
  --tinta:     #0C1E2E;
  --linea:     rgba(12,30,46,.14);
  --f-titulo: "Sora", "Segoe UI", system-ui, sans-serif;
  --f-texto:  "Inter", "Segoe UI", system-ui, sans-serif;
  --r-sm: 8px; --r: 14px; --r-lg: 20px;
  --max: 1180px;
  --pad: clamp(1.1rem, 4vw, 2.2rem);
}

*,*::before,*::after{ box-sizing:border-box; }
html{ -webkit-text-size-adjust:100%; scroll-behavior:smooth; scroll-padding-top:80px; }
@media (prefers-reduced-motion:reduce){ html{ scroll-behavior:auto; } }
body{ margin:0; background:var(--hueso); color:var(--gris);
  font-family:var(--f-texto); font-size:1.02rem; line-height:1.65; overflow-x:hidden; }
img{ display:block; max-width:100%; height:auto; }
h1,h2,h3{ margin:0; font-family:var(--f-titulo); font-weight:600; color:var(--tinta);
  line-height:1.12; letter-spacing:-.02em; text-wrap:balance; }
h1{ font-size:clamp(2.2rem, 5vw, 3.6rem); font-weight:700; }
h2{ font-size:clamp(1.7rem, 3.4vw, 2.5rem); }
h3{ font-size:1.18rem; }
p{ margin:0 0 1rem; text-wrap:pretty; }
ul,ol{ margin:0; padding:0; list-style:none; }
a{ color:inherit; }
button,select,input,legend{ font:inherit; color:inherit; }
:focus-visible{ outline:3px solid var(--tejado); outline-offset:3px; border-radius:4px; }
.wrap{ width:100%; max-width:var(--max); margin-inline:auto; padding-inline:var(--pad); }
.wrap--angosto{ max-width:760px; }
.ico{ width:19px; height:19px; flex:none; fill:none; stroke:currentColor;
  stroke-width:1.7; stroke-linecap:round; stroke-linejoin:round; }
.mini{ font-size:.86rem; }

.sobre{ margin:0 0 .7rem; font-weight:600; font-size:.74rem; letter-spacing:.18em;
  text-transform:uppercase; color:var(--tejado-os); }
.seccion{ padding:clamp(3rem, 7vw, 5rem) 0; }
.seccion--clara{ background:#fff; }
.sec-head{ max-width:640px; margin:0 auto clamp(1.8rem,4vw,2.6rem); text-align:center; }
.sec-head__txt{ margin:.8rem 0 0; }

/* ---------- Botones ---------- */
.btn{
  --bg:var(--tejado); --fg:#fff; --bd:transparent; --bg-h:#B95314;
  display:inline-flex; align-items:center; justify-content:center; gap:.5rem;
  min-height:48px; padding:.75rem 1.4rem;
  background:var(--bg); color:var(--fg); border:1.5px solid var(--bd); border-radius:999px;
  font-family:var(--f-texto); font-weight:600; font-size:.94rem; text-decoration:none; cursor:pointer;
  transition:background .2s ease, color .2s ease, border-color .2s ease;
}
.btn:hover{ background:var(--bg-h); }
.btn--grande{ min-height:54px; padding:.95rem 1.7rem; font-size:1rem; }
.btn--bloque{ width:100%; }
.btn--linea{ --bg:transparent; --fg:#fff; --bd:rgba(255,255,255,.55); --bg-h:rgba(255,255,255,.14); }
.btn--linea:hover{ border-color:#fff; }
.btn--wa{ --bg:#128C4A; --fg:#fff; --bg-h:#0E7A3F; }
.btn .ico[href$="i-wa"]{ fill:currentColor; stroke:none; }

/* ---------- Cabecera ---------- */
.cabecera{ position:sticky; top:0; z-index:100; background:var(--marino); color:#fff; }
.cabecera__inner{ display:flex; align-items:center; gap:1.2rem; min-height:74px; }
.marca{ display:flex; align-items:center; gap:.7rem; text-decoration:none; color:#fff; }
.marca__ico{ display:grid; place-items:center; width:40px; height:40px; background:var(--tejado);
  border-radius:10px; color:#fff; }
.marca__txt{ display:flex; flex-direction:column; font-family:var(--f-titulo); font-weight:700;
  font-size:1.25rem; line-height:1.05; letter-spacing:-.02em; }
.marca__txt small{ font-family:var(--f-texto); font-weight:500; font-size:.66rem;
  letter-spacing:.16em; text-transform:uppercase; color:rgba(255,255,255,.7); }
.nav{ display:flex; align-items:center; gap:1.5rem; margin-left:auto; }
.nav a{ text-decoration:none; color:rgba(255,255,255,.82); font-weight:500; font-size:.93rem; }
.nav a:not(.btn):hover{ color:#fff; }
.nav a.nav__cta{ color:var(--fg); min-height:42px; padding:.5rem 1.15rem; font-size:.9rem; }
.nav-toggle{ display:none; margin-left:auto; width:44px; height:44px; padding:11px;
  background:transparent; border:1px solid rgba(255,255,255,.35); border-radius:10px; cursor:pointer; }
.nav-toggle span{ display:block; height:2px; background:#fff;
  transition:transform .25s ease, opacity .2s ease; }
.nav-toggle span + span{ margin-top:5px; }
.nav-toggle[aria-expanded="true"] span:nth-child(1){ transform:translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2){ opacity:0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3){ transform:translateY(-7px) rotate(-45deg); }
@media (max-width:900px){
  .nav-toggle{ display:block; }
  .nav{ position:absolute; left:0; right:0; top:100%; flex-direction:column; align-items:stretch; gap:0;
    background:var(--marino); padding:.4rem var(--pad) 1.1rem;
    max-height:0; overflow:hidden; visibility:hidden; transition:max-height .3s ease, visibility 0s linear .3s; }
  .nav.is-abierto{ max-height:80vh; visibility:visible; transition:max-height .35s ease, visibility 0s; }
  .nav a{ padding:.95rem 0; border-bottom:1px solid rgba(255,255,255,.14); }
  .nav a.nav__cta{ margin-top:.9rem; border-bottom:0; }
}

/* ---------- Hero ---------- */
.hero{ position:relative; isolation:isolate; overflow:hidden; display:flex; align-items:center;
  min-height:clamp(520px, 78vh, 700px); padding:clamp(3rem,7vw,5rem) 0; color:#fff; }
.hero__foto{ position:absolute; inset:0; z-index:-1; }
.hero__foto img{ width:100%; height:100%; object-fit:cover; }
.hero::after{ content:""; position:absolute; inset:0; z-index:0;
  background:linear-gradient(100deg, rgba(16,49,79,.96) 0%, rgba(16,49,79,.88) 42%, rgba(16,49,79,.5) 78%, rgba(16,49,79,.35) 100%); }
.hero__inner{ position:relative; z-index:1; max-width:640px; }
.hero h1{ color:#fff; }
.hero .sobre{ color:#F0A96E; }
.hero .lede{ margin:1.2rem 0 1.9rem; font-size:1.08rem; max-width:50ch; color:rgba(255,255,255,.9); }
.hero__acciones{ display:flex; flex-wrap:wrap; gap:.7rem; }
.hero__datos{ display:flex; flex-wrap:wrap; gap:.6rem 1.6rem; margin-top:2rem; font-size:.93rem;
  color:rgba(255,255,255,.88); }
.hero__datos li{ display:inline-flex; align-items:center; gap:.5rem; }
.hero__datos .ico{ color:#F0A96E; }
@media (max-width:560px){ .hero__acciones .btn{ width:100%; } }

/* ---------- Filtros ---------- */
.filtros{ display:grid; grid-template-columns:auto 1fr auto; gap:1.4rem 2rem; align-items:end;
  padding:1.3rem 1.5rem; background:#fff; border:1px solid var(--linea); border-radius:var(--r);
  box-shadow:0 18px 40px -30px rgba(12,30,46,.6); }
.filtro{ min-width:0; border:0; padding:0; margin:0; }
.filtro > label, .filtro legend{ display:block; margin-bottom:.45rem; padding:0;
  font-weight:600; font-size:.8rem; letter-spacing:.08em; text-transform:uppercase; color:var(--tinta); }
.opciones{ display:flex; gap:.4rem; }
.opciones label{ position:relative; }
.opciones input{ position:absolute; opacity:0; width:100%; height:100%; margin:0; cursor:pointer; }
.opciones span{ display:block; min-height:44px; padding:.6rem 1.1rem; line-height:1.7;
  background:var(--hueso); border:1.5px solid var(--linea); border-radius:999px;
  font-size:.92rem; font-weight:500; cursor:pointer; transition:background .2s, color .2s, border-color .2s; }
.opciones input:checked + span{ background:var(--marino); border-color:var(--marino); color:#fff; }
.opciones input:focus-visible + span{ outline:3px solid var(--tejado); outline-offset:2px; }
.filtro--precio{ display:grid; grid-template-columns:1fr auto; gap:.3rem .8rem; }
.filtro--precio label{ grid-column:1; }
.filtro__valor{ grid-column:2; grid-row:1; font-weight:600; font-size:.92rem; color:var(--tejado-os); }
.filtro--precio input{ grid-column:1 / -1; width:100%; min-width:180px; accent-color:var(--tejado);
  height:28px; cursor:pointer; }
.filtro select{ min-height:44px; padding:.55rem .8rem; background:#fff;
  border:1.5px solid var(--linea); border-radius:999px; font-size:.92rem; cursor:pointer; }
@media (max-width:820px){ .filtros{ grid-template-columns:1fr; align-items:stretch; } }

.conteo{ margin:1.4rem 0 1.2rem; font-family:var(--f-titulo); font-weight:600; color:var(--tinta); }
.vacio{ max-width:52ch; margin:1.5rem auto 0; padding:1.2rem 1.4rem; text-align:center;
  background:#fff; border:1px dashed var(--linea); border-radius:var(--r); }
.vacio a{ color:var(--tejado-os); font-weight:600; }

/* ---------- Propiedades ---------- */
.props{ display:grid; gap:clamp(1rem,2vw,1.5rem);
  grid-template-columns:repeat(auto-fill, minmax(290px,1fr)); }
.prop{ display:flex; flex-direction:column; background:#fff; border:1px solid var(--linea);
  border-radius:var(--r); overflow:hidden; transition:transform .25s ease, box-shadow .25s ease; }
.prop:hover{ transform:translateY(-4px); box-shadow:0 26px 50px -32px rgba(12,30,46,.7); }
.prop[hidden]{ display:none; }
.prop__foto{ position:relative; margin:0; aspect-ratio:4/3; overflow:hidden; background:var(--hueso-2); }
.prop__foto img{ width:100%; height:100%; object-fit:cover; }
.prop__op{ position:absolute; left:.8rem; top:.8rem; padding:.3rem .8rem;
  background:var(--marino); color:#fff; border-radius:999px;
  font-size:.72rem; font-weight:600; letter-spacing:.1em; text-transform:uppercase; }
.prop__cuerpo{ display:flex; flex-direction:column; flex:1; padding:1.2rem 1.2rem 1.3rem; }
.prop__precio{ margin:0 0 .15rem; font-family:var(--f-titulo); font-weight:700; font-size:1.5rem;
  color:var(--tinta); letter-spacing:-.03em; }
.prop__precio small{ font-size:.9rem; font-weight:500; color:var(--gris); letter-spacing:0; }
.prop__zona{ display:flex; align-items:center; gap:.35rem; margin:.5rem 0 .9rem; font-size:.9rem; }
.prop__zona .ico{ width:16px; height:16px; color:var(--tejado-os); }
.prop__datos{ display:flex; flex-wrap:wrap; gap:.5rem 1rem; margin-bottom:1.2rem;
  padding-top:.9rem; border-top:1px solid var(--linea); font-size:.88rem; }
.prop__datos li{ display:inline-flex; align-items:center; gap:.35rem; }
.prop__datos .ico{ width:16px; height:16px; color:var(--marino); }
.prop__cuerpo .btn{ margin-top:auto; }

/* ---------- Ficha con galería ---------- */
.ficha{ display:grid; grid-template-columns:1.15fr 1fr; gap:clamp(1.8rem,4vw,3.2rem); align-items:center; }
.ficha__grande{ display:block; border-radius:var(--r-lg); overflow:hidden; background:var(--hueso-2); }
.ficha__grande img{ width:100%; aspect-ratio:3/2; object-fit:cover; }
.ficha__minis{ display:grid; grid-template-columns:repeat(4,1fr); gap:.6rem; margin-top:.6rem; }
.ficha__minis button{ display:block; width:100%; padding:0; background:none; border:0; cursor:pointer;
  border-radius:var(--r-sm); overflow:hidden; line-height:0;
  box-shadow:0 0 0 1px var(--linea); transition:box-shadow .2s ease, opacity .2s ease; opacity:.72; }
.ficha__minis img{ width:100%; aspect-ratio:3/2; object-fit:cover; }
.ficha__minis button:hover{ opacity:1; }
.ficha__minis .es-actual{ opacity:1; box-shadow:0 0 0 3px var(--tejado); }
.ficha__precio{ margin:.6rem 0 1rem; font-family:var(--f-titulo); font-weight:700;
  font-size:clamp(1.8rem,4vw,2.4rem); color:var(--tejado-os); letter-spacing:-.03em; }
.ficha__datos{ display:grid; grid-template-columns:1fr 1fr; gap:.7rem 1.2rem; margin:1.4rem 0 1.8rem; }
.ficha__datos li{ display:flex; align-items:center; gap:.5rem; font-size:.95rem; }
.ficha__datos b{ color:var(--tinta); }
.ficha__datos .ico{ color:var(--marino); }
@media (max-width:900px){ .ficha{ grid-template-columns:1fr; } }

/* ---------- Pasos ---------- */
.pasos{ display:grid; gap:clamp(1rem,2vw,1.5rem); grid-template-columns:repeat(auto-fit, minmax(260px,1fr)); }
.pasos li{ background:#fff; border:1px solid var(--linea); border-radius:var(--r); padding:1.7rem 1.4rem; }
.paso__n{ display:grid; place-items:center; width:40px; height:40px; margin-bottom:1rem;
  border-radius:50%; background:var(--marino); color:#fff;
  font-family:var(--f-titulo); font-weight:700; }
.pasos h3{ margin-bottom:.4rem; }
.pasos p{ margin:0; font-size:.95rem; }

/* ---------- Preguntas ---------- */
.faq{ display:grid; gap:.5rem; }
.faq__item{ background:var(--hueso); border:1px solid var(--linea); border-radius:var(--r-sm); overflow:hidden; }
.faq__item summary{ position:relative; cursor:pointer; list-style:none; min-height:44px;
  padding:1rem 3rem 1rem 1.2rem; font-weight:600; color:var(--tinta); }
.faq__item summary::-webkit-details-marker{ display:none; }
.faq__item summary::after{ content:""; position:absolute; right:1.3rem; top:50%; width:10px; height:10px;
  margin-top:-7px; border-right:2px solid var(--tejado-os); border-bottom:2px solid var(--tejado-os);
  transform:rotate(45deg); transition:transform .25s ease; }
.faq__item[open] summary::after{ transform:rotate(-135deg); margin-top:-2px; }
.faq__a{ padding:0 1.2rem 1.1rem; }
.faq__a p{ margin:0; }

/* ---------- Pie ---------- */
.pie{ background:var(--marino); color:rgba(255,255,255,.78); padding:2.2rem 0 2.6rem; }
.pie__inner{ display:flex; flex-wrap:wrap; gap:1rem 2rem; justify-content:space-between; }
.pie__marca{ margin:0 0 .2rem; font-family:var(--f-titulo); font-weight:700; font-size:1.3rem; color:#fff; }
.pie__datos{ display:grid; gap:.4rem; font-size:.92rem; }
.pie__datos li{ display:flex; align-items:center; gap:.5rem; }
.pie__datos .ico{ color:#F0A96E; }