/* ===========================================================
   Nima Desarrollos — estilos
   Los colores están tomados del logo.
   =========================================================== */

:root {
  --tinta: #1A2737;          /* azul petróleo del logo */
  --tinta-suave: #2E3D4F;
  --papel: #FBFAF9;
  --piedra: #E7E2DE;         /* papel cálido del logo */
  --linea: #D6D0CA;
  --gris: #6E7480;
  --oliva: #6B7157;          /* verde oliva del logo */
  --oliva-oscuro: #4E5340;
  --oliva-suave: #EDEEE6;

  --serif: "Instrument Serif", Georgia, serif;
  --sans: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;

  --ancho: 1180px;
  --header-alto: 76px;
}

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

html { scroll-behavior: smooth; scroll-padding-top: var(--header-alto); }

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; }
[hidden] { display: none !important; }
a { color: inherit; }

.contenedor {
  width: 100%;
  max-width: var(--ancho);
  margin: 0 auto;
  padding: 0 28px;
}

/* --- Tipografía compartida ------------------------------- */

.eyebrow {
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gris);
  margin: 0 0 14px;
  font-weight: 500;
}

.titulo-seccion {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(30px, 4.5vw, 46px);
  line-height: 1.1;
  letter-spacing: -0.01em;
  margin: 0 0 18px;
}

/* --- Header ---------------------------------------------- */

.header {
  position: fixed;
  inset: 0 0 auto 0;
  height: var(--header-alto);
  z-index: 50;
  display: flex;
  align-items: center;
  background: rgba(251,250,249,0);
  border-bottom: 1px solid transparent;
  transition: background .35s ease, border-color .35s ease;
}

.header.solido {
  background: rgba(251,250,249,.94);
  backdrop-filter: saturate(160%) blur(10px);
  border-bottom-color: var(--linea);
}

.header .contenedor {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.marca { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.marca img { height: 40px; width: auto; }

.marca .marca-texto {
  font-family: var(--sans);
  font-weight: 500;
  font-size: 17px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  line-height: 1.15;
}
.marca .marca-texto small {
  display: block;
  font-size: 9px;
  font-weight: 400;
  letter-spacing: 0.22em;
  color: var(--oliva);
}

.header:not(.solido) .marca-texto,
.header:not(.solido) .nav a { color: var(--papel); }
.header:not(.solido) .marca-texto small { color: rgba(251,250,249,.72); }
.header:not(.solido) .marca img { filter: brightness(0) invert(1); }
.header:not(.solido) .btn-menu { color: var(--papel); }

.nav { display: flex; align-items: center; gap: 30px; }
.nav a {
  text-decoration: none;
  font-size: 14px;
  position: relative;
  padding: 4px 0;
}
.nav a::after {
  content: "";
  position: absolute; left: 0; bottom: 0;
  width: 0; height: 1px;
  background: currentColor;
  transition: width .28s ease;
}
.nav a:hover::after, .nav a:focus-visible::after { width: 100%; }

.btn-menu {
  display: none;
  background: none; border: 0; padding: 8px;
  cursor: pointer; color: var(--tinta);
}
.btn-menu svg { width: 24px; height: 24px; }

/* --- Botones --------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 500;
  padding: 13px 24px;
  border-radius: 2px;
  border: 1px solid var(--tinta);
  background: var(--tinta);
  color: var(--papel);
  text-decoration: none;
  cursor: pointer;
  transition: background .22s ease, color .22s ease, border-color .22s ease;
}
.btn:hover { background: var(--oliva); border-color: var(--oliva); }
.btn svg { width: 18px; height: 18px; flex: none; }
.btn:disabled { opacity: .6; cursor: default; }

.btn-claro { background: var(--papel); color: var(--tinta); border-color: var(--papel); }
.btn-claro:hover { background: var(--oliva); border-color: var(--oliva); color: var(--papel); }

.btn-fantasma {
  background: transparent;
  color: var(--papel);
  border-color: rgba(251,250,249,.5);
}
.btn-fantasma:hover { background: var(--papel); border-color: var(--papel); color: var(--tinta); }

.btn-linea { background: transparent; color: var(--tinta); border-color: var(--linea); }
.btn-linea:hover { background: var(--tinta); border-color: var(--tinta); color: var(--papel); }

/* --- Hero ------------------------------------------------ */

.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: flex-end;
  background: #16202D;
  overflow: hidden;
}

.hero-fotos { position: absolute; inset: 0; }
.hero-foto {
  position: absolute; inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transition: opacity 1.4s ease;
}
.hero-foto.activa { opacity: 1; }

.hero::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(18,27,38,.86) 0%, rgba(18,27,38,.36) 46%, rgba(18,27,38,.46) 100%);
}

.hero .contenedor { position: relative; z-index: 2; padding-bottom: 76px; padding-top: 140px; }

.hero-texto { max-width: 660px; color: var(--papel); }
.hero-texto .eyebrow { color: rgba(251,250,249,.72); }

.hero h1 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(40px, 7vw, 76px);
  line-height: 1.02;
  letter-spacing: -0.015em;
  margin: 0 0 20px;
}
.hero p {
  font-size: clamp(16px, 1.9vw, 19px);
  color: rgba(251,250,249,.86);
  margin: 0 0 34px;
  max-width: 50ch;
}
.hero-acciones { display: flex; flex-wrap: wrap; gap: 12px; }

.hero-datos {
  position: relative; z-index: 2;
  border-top: 1px solid rgba(251,250,249,.22);
  margin-top: 54px;
  padding-top: 22px;
  display: flex;
  flex-wrap: wrap;
  gap: 46px;
}
.hero-datos div { color: var(--papel); }
.hero-datos dt {
  font-size: 11px; letter-spacing: .16em; text-transform: uppercase;
  color: rgba(251,250,249,.6); margin-bottom: 4px;
}
.hero-datos dd { margin: 0; font-family: var(--serif); font-size: 30px; line-height: 1; }

/* --- Secciones ------------------------------------------- */

.seccion { padding: 104px 0; }
.seccion-piedra { background: var(--piedra); }

.seccion-cabecera {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 26px;
  margin-bottom: 46px;
}
.seccion-cabecera p { color: var(--gris); margin: 0; max-width: 46ch; }

/* --- Filtros --------------------------------------------- */

.filtros { display: flex; flex-wrap: wrap; gap: 8px; }
.filtro {
  font-family: var(--sans);
  font-size: 13px;
  padding: 9px 18px;
  border: 1px solid var(--linea);
  border-radius: 2px;
  background: transparent;
  color: var(--gris);
  cursor: pointer;
  transition: all .2s ease;
}
.filtro:hover { border-color: var(--tinta); color: var(--tinta); }
.filtro.activo { background: var(--tinta); border-color: var(--tinta); color: var(--papel); }

/* --- Grilla de tarjetas ---------------------------------- */

.grilla {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 34px 26px;
}

.tarjeta {
  background: var(--papel);
  border: 1px solid var(--linea);
  display: flex;
  flex-direction: column;
  transition: border-color .25s ease, transform .25s ease;
}
.tarjeta:hover { border-color: var(--tinta); transform: translateY(-3px); }

.tarjeta-foto {
  position: relative;
  aspect-ratio: 4 / 3;
  background: var(--piedra);
  overflow: hidden;
  cursor: pointer;
}
.seccion-piedra .tarjeta-foto { background: #DCD6D1; }
.tarjeta-foto img {
  width: 100%; height: 100%;
  object-fit: cover;
  position: relative; z-index: 1;
  transition: transform .6s ease;
}
.tarjeta:hover .tarjeta-foto img { transform: scale(1.04); }

.tarjeta-foto .vacio {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  font-size: 11px; letter-spacing: .16em; text-transform: uppercase;
  color: var(--gris);
}

.estado {
  position: absolute; top: 14px; left: 14px; z-index: 3;
  font-size: 10px; letter-spacing: .14em; text-transform: uppercase;
  font-weight: 500;
  padding: 6px 12px;
  border-radius: 2px;
}
.estado.disponible   { background: var(--oliva); color: var(--papel); }
.estado.en-ejecucion { background: var(--tinta); color: var(--papel); }
.estado.en-proyecto  { background: var(--papel); color: var(--tinta); box-shadow: inset 0 0 0 1px var(--linea); }
.estado.vendido      { background: rgba(26,39,55,.68); color: var(--papel); }

/* Una casa vendida sigue a la vista, como prueba de obra
   entregada, pero sin competir con las que están a la venta. */
.tarjeta[data-estado="vendido"] .tarjeta-foto img { filter: grayscale(.55); opacity: .82; }
.tarjeta[data-estado="vendido"]:hover .tarjeta-foto img { filter: none; opacity: 1; }

.contador {
  position: absolute; top: 12px; right: 12px; z-index: 3;
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--sans); font-size: 12px; font-weight: 500;
  padding: 6px 11px;
  border: 0; border-radius: 2px;
  background: rgba(26,39,55,.72);
  color: var(--papel);
  pointer-events: none;
}
.contador svg { width: 15px; height: 15px; }

.tarjeta-cuerpo { padding: 22px 22px 24px; display: flex; flex-direction: column; flex: 1; }

.tarjeta h3 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 25px;
  line-height: 1.15;
  margin: 0 0 4px;
}
.tarjeta-ubic {
  font-size: 13px;
  color: var(--gris);
  margin: 0 0 18px;
  display: flex; align-items: flex-start; gap: 6px;
}
.tarjeta-ubic svg { width: 14px; height: 14px; flex: none; margin-top: 4px; }

.ficha {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-top: 1px solid var(--linea);
  border-bottom: 1px solid var(--linea);
  margin: 0;
}
.ficha > div { padding: 13px 0 13px 16px; }
.ficha > div:nth-child(odd)  { padding-left: 0; }
.ficha > div:nth-child(even) { border-left: 1px solid var(--linea); }
.ficha > div:nth-child(n+3)  { border-top: 1px solid var(--linea); }
.ficha dt {
  font-size: 10px; letter-spacing: .14em; text-transform: uppercase;
  color: var(--gris); margin-bottom: 3px;
}
.ficha dd { margin: 0; font-size: 18px; font-weight: 500; letter-spacing: -0.01em; }

.atributos {
  display: flex; flex-wrap: wrap; gap: 8px 18px;
  padding: 16px 0 6px;
  font-size: 13px;
  color: var(--gris);
}
.atributos span { display: inline-flex; align-items: center; gap: 6px; }
.atributos svg { width: 16px; height: 16px; flex: none; }

.comodidades { display: flex; flex-wrap: wrap; gap: 6px; padding: 10px 0 4px; }
.comodidades span {
  font-size: 12px;
  padding: 4px 10px;
  border: 1px solid var(--linea);
  border-radius: 2px;
  color: var(--gris);
}

.tarjeta-desc {
  font-size: 14px;
  color: var(--gris);
  margin: 16px 0 0;
  line-height: 1.6;
}

.valor {
  display: flex; align-items: baseline; justify-content: space-between;
  gap: 12px;
  margin: 18px 0 16px;
  padding-top: 14px;
  border-top: 1px solid var(--linea);
}
.valor span {
  font-size: 10px; letter-spacing: .14em; text-transform: uppercase;
  color: var(--gris);
}
.valor strong { font-size: 19px; font-weight: 500; }

.tarjeta .btn { margin-top: auto; width: 100%; }
.btn-ancho { width: 100%; }

/* Campo trampa anti-spam: invisible para personas */
.trampa { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }

.sin-resultados {
  grid-column: 1 / -1;
  text-align: center;
  color: var(--gris);
  padding: 60px 0;
}

/* --- Visor de galería ------------------------------------ */

.visor {
  position: fixed; inset: 0; z-index: 100;
  display: none;
  align-items: center; justify-content: center;
  gap: 10px;
  padding: 24px;
  background: rgba(14,21,30,.94);
}
.visor.abierto { display: flex; }

.visor-marco { margin: 0; max-width: 1100px; max-height: 100%; }
.visor-marco img {
  max-width: 100%; max-height: 78vh;
  width: auto; margin: 0 auto;
  object-fit: contain;
}
.visor-marco figcaption {
  color: rgba(251,250,249,.7);
  font-size: 13px;
  text-align: center;
  padding-top: 14px;
}

.visor-cerrar {
  position: absolute; top: 18px; right: 22px;
  background: none; border: 0;
  color: var(--papel);
  font-size: 34px; line-height: 1;
  cursor: pointer;
}
.visor-nav {
  background: none; border: 1px solid rgba(251,250,249,.3);
  color: var(--papel);
  width: 46px; height: 46px;
  border-radius: 50%;
  font-size: 26px; line-height: 1;
  cursor: pointer; flex: none;
  transition: background .2s ease;
}
.visor-nav:hover { background: rgba(251,250,249,.14); }
.visor-nav[hidden] { display: none; }

/* --- Contacto -------------------------------------------- */

.contacto-grilla {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 70px;
  align-items: start;
}

.contacto-info p { color: var(--gris); margin: 0 0 30px; max-width: 40ch; }

.contacto-lista { border-top: 1px solid var(--linea); margin: 0 0 30px; }
.contacto-lista > div {
  display: flex; align-items: center; gap: 14px;
  padding: 16px 0;
  border-bottom: 1px solid var(--linea);
}
.contacto-lista svg { width: 18px; height: 18px; color: var(--oliva); flex: none; }
.contacto-lista dt { font-size: 11px; letter-spacing: .14em; text-transform: uppercase; color: var(--gris); }
.contacto-lista dd { margin: 2px 0 0; font-size: 15px; }
.contacto-lista a { text-decoration: none; }
.contacto-lista a:hover { color: var(--oliva-oscuro); }

.form-fila { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.campo { margin-bottom: 18px; }
.campo label {
  display: block;
  font-size: 11px; letter-spacing: .14em; text-transform: uppercase;
  color: var(--gris); margin-bottom: 7px;
}
.campo input, .campo select, .campo textarea {
  width: 100%;
  font-family: var(--sans);
  font-size: 15px;
  color: var(--tinta);
  background: var(--papel);
  border: 1px solid var(--linea);
  border-radius: 2px;
  padding: 12px 14px;
  transition: border-color .2s ease;
}
.campo textarea { resize: vertical; min-height: 118px; }
.campo input:focus, .campo select:focus, .campo textarea:focus {
  outline: none;
  border-color: var(--oliva);
  box-shadow: 0 0 0 3px var(--oliva-suave);
}

.form-aviso {
  font-size: 14px;
  padding: 12px 16px;
  border-radius: 2px;
  margin-bottom: 18px;
  display: none;
}
.form-aviso.ok { display: block; background: var(--oliva-suave); color: var(--oliva-oscuro); }
.form-aviso.error { display: block; background: #F6E7E4; color: #8C3B28; }

/* --- Footer ---------------------------------------------- */

.footer {
  background: var(--tinta);
  color: rgba(251,250,249,.78);
  padding: 60px 0 34px;
  font-size: 14px;
}
.footer .marca img { height: 74px; width: auto; }
.footer-top {
  display: flex; flex-wrap: wrap; gap: 26px;
  justify-content: space-between; align-items: center;
  padding-bottom: 30px;
  border-bottom: 1px solid rgba(251,250,249,.16);
}
.footer-links { display: flex; flex-wrap: wrap; gap: 26px; }
.footer-links a { text-decoration: none; }
.footer-links a:hover { color: var(--papel); }
.footer-bottom {
  padding-top: 24px;
  display: flex; flex-wrap: wrap; gap: 14px;
  justify-content: space-between;
  font-size: 13px;
  color: rgba(251,250,249,.55);
}

/* --- WhatsApp flotante ----------------------------------- */

.wa-flotante {
  position: fixed;
  right: 22px; bottom: 22px;
  z-index: 60;
  width: 56px; height: 56px;
  border-radius: 50%;
  background: var(--oliva);
  color: var(--papel);
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 6px 22px rgba(26,39,55,.28);
  transition: transform .22s ease, background .22s ease;
}
.wa-flotante:hover { transform: scale(1.06); background: var(--tinta); }
.wa-flotante svg { width: 27px; height: 27px; }

/* --- Reveal ---------------------------------------------- */

.js .reveal { opacity: 0; transform: translateY(20px); transition: opacity .7s ease, transform .7s ease; }
.js .reveal.visible { opacity: 1; transform: none; }

:focus-visible { outline: 2px solid var(--oliva); outline-offset: 3px; }

/* --- Responsive ------------------------------------------ */

@media (max-width: 900px) {
  .contacto-grilla { grid-template-columns: 1fr; gap: 46px; }
  .seccion { padding: 76px 0; }
}

@media (max-width: 720px) {
  .contenedor { padding: 0 20px; }
  .btn-menu { display: block; }
  .nav {
    position: absolute;
    top: var(--header-alto); left: 0; right: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    background: var(--papel);
    border-bottom: 1px solid var(--linea);
    padding: 8px 20px 18px;
    display: none;
  }
  .nav.abierto { display: flex; }
  .header:not(.solido) .nav a { color: var(--tinta); }
  .nav a { width: 100%; padding: 13px 0; border-bottom: 1px solid var(--linea); font-size: 15px; }
  .nav a:last-child { border-bottom: 0; }
  .hero { min-height: 88vh; }
  .hero .contenedor { padding-bottom: 54px; }
  .hero-datos { gap: 30px; margin-top: 38px; }
  .hero-datos dd { font-size: 24px; }
  .grilla { grid-template-columns: 1fr; }
  .form-fila { grid-template-columns: 1fr; gap: 0; }
  .wa-flotante { right: 16px; bottom: 16px; }
  .visor { padding: 12px; }
  .visor-nav { width: 40px; height: 40px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    transition-duration: .01ms !important;
  }
  .js .reveal { opacity: 1; transform: none; }
}