/* ============================================================
   VIENA RESIDENCES — Estilos base del sitio
   (la sección de Disponibilidad vive en availability.css)
   ============================================================ */

:root{
  /* Paleta orgánica: arena, barro, olivo */
  --sand-50:#FBF8F3;
  --sand-100:#F4EEE4;
  --sand-200:#E8DFD1;
  --sand-300:#D8CAB4;
  --clay-400:#C68A62;
  --clay-500:#B4714A;
  --clay-600:#98593A;
  --olive-600:#4A5745;
  --olive-700:#3A4635;
  --olive-900:#2F3A2C;
  --ink:#1D1B18;
  --muted:#6F685D;
  --line:rgba(47,58,44,.14);

  --ok:#4E7C4A;
  --ok-soft:#E7F0E4;
  --warn:#A9742A;
  --warn-soft:#F6EDDC;
  --off:#7C766C;
  --off-soft:#EDE8DF;
  --shadow-sm:0 1px 2px rgba(29,27,24,.05),0 4px 14px rgba(29,27,24,.05);
  --shadow-md:0 10px 34px rgba(29,27,24,.10);

  --radius:14px;
  --radius-lg:20px;
  --shell:1180px;
  --header-h:74px;

  --serif:"Cormorant Garamond",Georgia,"Times New Roman",serif;
  --sans:"Jost",system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}

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

html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms!important;transition-duration:.001ms!important}
}

body{
  margin:0;
  font-family:var(--sans);
  font-weight:300;
  font-size:clamp(15px,.35vw + 14px,16.5px);
  line-height:1.65;
  color:var(--ink);
  background:var(--sand-50);
  -webkit-font-smoothing:antialiased;
}

img,svg{max-width:100%;height:auto;display:block}

h1,h2,h3{font-family:var(--serif);font-weight:400;line-height:1.12;margin:0;letter-spacing:.005em}

a{color:inherit}

:where(a,button,input,select,textarea):focus-visible{
  outline:2px solid var(--clay-500);
  outline-offset:3px;
  border-radius:4px;
}

.shell{width:min(100% - 2.5rem,var(--shell));margin-inline:auto}
@media (max-width:640px){ .shell{width:min(100% - 2rem,var(--shell))} }

.skip-link{
  position:absolute;left:-9999px;top:0;z-index:200;
  background:var(--olive-900);color:var(--sand-100);
  padding:.7rem 1.1rem;border-radius:0 0 10px 0;
}
.skip-link:focus{left:0}

/* ---------- Botones ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  padding:.85rem 1.6rem;
  border:1px solid transparent;border-radius:999px;
  font-family:var(--sans);font-size:.92rem;font-weight:500;
  letter-spacing:.04em;text-transform:uppercase;text-decoration:none;
  cursor:pointer;transition:background-color .2s,color .2s,border-color .2s,transform .2s;
}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:var(--olive-900);color:var(--sand-100)}
.btn-primary:hover{background:var(--olive-700)}
.btn-ghost{background:transparent;color:var(--olive-900);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--olive-900);background:rgba(47,58,44,.04)}
.btn-clay{background:var(--clay-500);color:#fff}
.btn-clay:hover{background:var(--clay-600)}
.btn-sm{padding:.6rem 1.05rem;font-size:.78rem}
.btn-block{width:100%}
.btn[disabled],.btn[aria-disabled="true"]{opacity:.45;cursor:not-allowed;transform:none}

.link-btn{
  background:none;border:0;padding:.25rem .1rem;cursor:pointer;
  font:inherit;font-size:.85rem;color:var(--clay-600);
  text-decoration:underline;text-underline-offset:3px;
}
.link-btn:hover{color:var(--clay-500)}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(251,248,243,.82);
  backdrop-filter:saturate(1.3) blur(12px);
  border-bottom:1px solid transparent;
  transition:border-color .25s,background-color .25s;
}
.site-header.is-stuck{border-bottom-color:var(--line);background:rgba(251,248,243,.95)}

.header-inner{display:flex;align-items:center;justify-content:space-between;gap:1rem;min-height:var(--header-h)}

.brand{display:inline-flex;align-items:center;gap:.65rem;text-decoration:none}
.brand-mark{
  display:grid;place-items:center;width:38px;height:38px;flex:0 0 auto;
  border-radius:10px;background:var(--olive-900);color:var(--sand-200);
  font-family:var(--serif);font-size:1.25rem;line-height:1;padding-bottom:2px;
}
.brand-text{display:flex;flex-direction:column;line-height:1.05}
.brand-name{font-family:var(--serif);font-size:1.28rem;letter-spacing:.02em}
.brand-sub{font-size:.62rem;letter-spacing:.3em;text-transform:uppercase;color:var(--muted)}

.nav{display:flex;align-items:center;gap:1.6rem}
.nav a{
  text-decoration:none;font-size:.88rem;letter-spacing:.03em;color:var(--olive-700);
  padding:.35rem 0;border-bottom:1px solid transparent;transition:border-color .2s,color .2s;
}
.nav a:hover{color:var(--ink);border-bottom-color:var(--clay-500)}
.nav a.is-current{color:var(--ink);border-bottom-color:var(--clay-500)}
.nav .nav-cta{
  border:1px solid var(--line);border-radius:999px;padding:.5rem 1.1rem;
}
.nav .nav-cta:hover{border-color:var(--olive-900);background:rgba(47,58,44,.05)}

.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:10px;
  background:transparent;cursor:pointer;padding:0;
}
.nav-toggle span{display:block;width:18px;height:1.5px;background:var(--olive-900);margin:4px auto;transition:transform .25s,opacity .2s}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(5.5px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-5.5px) 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(--sand-50);border-bottom:1px solid var(--line);
    padding:.5rem 1.25rem 1.25rem;
    display:none;
  }
  .nav.is-open{display:flex}
  .nav a{padding:.85rem 0;border-bottom:1px solid var(--line)}
  .nav .nav-cta{margin-top:.9rem;text-align:center;border-bottom:1px solid var(--line)}
}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:var(--sand-100)}
.hero-bg{position:absolute;inset:0;z-index:0}
.hero-art{width:100%;height:100%}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(251,248,243,.96) 0%,rgba(251,248,243,.86) 42%,rgba(251,248,243,.35) 72%,rgba(251,248,243,.15) 100%);
}
@media (max-width:820px){
  .hero-bg::after{background:linear-gradient(180deg,rgba(251,248,243,.92) 0%,rgba(251,248,243,.86) 55%,rgba(251,248,243,.94) 100%)}
}

.hero-inner{position:relative;z-index:1;padding:clamp(3.5rem,9vw,7.5rem) 0 clamp(3rem,7vw,6rem);max-width:44rem}

.eyebrow{
  margin:0 0 1rem;font-size:.72rem;letter-spacing:.34em;text-transform:uppercase;
  color:var(--clay-600);font-weight:500;
}

.hero-title{font-size:clamp(2.6rem,7vw,4.9rem);letter-spacing:-.01em}
.hero-title em{font-style:normal;color:var(--clay-500)}

.hero-lede{
  margin:1.5rem 0 0;max-width:38rem;font-size:clamp(1rem,.4vw + .95rem,1.14rem);color:var(--muted);
}

.hero-actions{display:flex;flex-wrap:wrap;gap:.8rem;margin-top:2.2rem}

.hero-facts{
  display:flex;flex-wrap:wrap;gap:clamp(1.5rem,5vw,3.5rem);
  list-style:none;margin:3.2rem 0 0;padding:2rem 0 0;border-top:1px solid var(--line);
}
.hero-facts li{display:flex;flex-direction:column;gap:.15rem}
.hero-facts strong{font-family:var(--serif);font-size:2.1rem;font-weight:400;line-height:1;color:var(--olive-900)}
.hero-facts span{font-size:.78rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}

/* ---------- Secciones ---------- */
.section{padding:clamp(3.5rem,8vw,6.5rem) 0}
.section-alt{background:var(--sand-100)}
.section-title{font-size:clamp(1.95rem,3.4vw,3rem);max-width:20ch}
.section-alt .section-title,.section .section-title{color:var(--olive-900)}

.prose{color:var(--muted);max-width:60ch}
.prose p{margin:0 0 1.1rem}
.prose p:last-child{margin-bottom:0}

.grid-2{display:grid;gap:clamp(2rem,5vw,4.5rem);grid-template-columns:1fr}
@media (min-width:900px){ .grid-2{grid-template-columns:1fr 1.05fr;align-items:start} }

.spec-list{display:grid;gap:0;margin:2rem 0 0;padding:0}
.spec-list>div{
  display:flex;justify-content:space-between;gap:1rem;
  padding:.85rem 0;border-bottom:1px solid var(--line);
}
.spec-list dt{font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.spec-list dd{margin:0;color:var(--ink)}

/* ---------- Amenidades ---------- */
.amenity-grid{
  list-style:none;margin:2.8rem 0 0;padding:0;
  display:grid;gap:1px;background:var(--line);
  border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;
  grid-template-columns:repeat(auto-fit,minmax(215px,1fr));
}
.amenity-grid li{background:var(--sand-50);padding:1.7rem 1.5rem}
.amenity-ico{
  display:grid;place-items:center;width:38px;height:38px;margin-bottom:1rem;
  border-radius:50%;background:var(--sand-200);color:var(--olive-700);font-size:1.05rem;
}
.amenity-grid h3{font-size:1.28rem;margin-bottom:.35rem}
.amenity-grid p{margin:0;font-size:.9rem;color:var(--muted)}

/* ---------- Ubicación ---------- */
.distance-list{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}
.distance-list li{
  display:flex;align-items:baseline;gap:1.2rem;
  padding:1.05rem 0;border-bottom:1px solid var(--line);
}
.dist{
  flex:0 0 7.5rem;font-family:var(--serif);font-size:1.35rem;color:var(--clay-600);
}
.place{color:var(--olive-700)}

/* ---------- Inversión ---------- */
.invest-grid{
  display:grid;gap:1.5rem;margin-top:2.8rem;
  grid-template-columns:repeat(auto-fit,minmax(230px,1fr));
}
.invest-grid article{
  padding:1.8rem 1.6rem;background:var(--sand-100);
  border:1px solid var(--line);border-radius:var(--radius-lg);
}
.invest-grid h3{font-size:1.6rem;color:var(--clay-600);margin-bottom:.5rem}
.invest-grid p{margin:0;font-size:.92rem;color:var(--muted)}

/* ---------- Sección oscura / contacto ---------- */
.section-dark{background:var(--olive-900);color:var(--sand-100)}
.section-dark .section-title{color:var(--sand-100)}
.section-dark .eyebrow{color:var(--clay-400)}
.section-dark .prose{color:rgba(244,238,228,.74)}

.contact-direct{list-style:none;margin:2rem 0 0;padding:0;display:grid;gap:.6rem}
.contact-direct a{
  display:inline-flex;align-items:center;gap:.55rem;
  color:var(--sand-100);text-decoration:none;
  border-bottom:1px solid rgba(232,223,209,.35);padding-bottom:.15rem;
}
.contact-direct a:hover{border-bottom-color:var(--clay-400)}

/* ---------- Formularios ---------- */
.field{display:flex;flex-direction:column;gap:.4rem}
.field>span{font-size:.74rem;letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}
.field input,.field select,.field textarea{
  font:inherit;font-size:.95rem;color:var(--ink);
  background:var(--sand-50);
  border:1px solid var(--line);border-radius:10px;
  padding:.72rem .85rem;width:100%;
  transition:border-color .2s,box-shadow .2s;
}
.field textarea{resize:vertical;min-height:5.5rem}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--clay-500);box-shadow:0 0 0 3px rgba(180,113,74,.14);outline:none;
}
.field input[aria-invalid="true"]{border-color:#B1402F;box-shadow:0 0 0 3px rgba(177,64,47,.14)}
.field select{
  appearance:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%236F685D' stroke-width='1.5'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right .8rem center;padding-right:2.2rem;
}

.form{
  display:grid;gap:1.05rem;
  background:rgba(251,248,243,.06);
  border:1px solid rgba(232,223,209,.2);
  border-radius:var(--radius-lg);padding:clamp(1.4rem,3vw,2.2rem);
}
.form .field>span{color:rgba(244,238,228,.7)}
.form .field input,.form .field textarea{
  background:rgba(251,248,243,.94);border-color:transparent;
}
.form-row{display:grid;gap:1.05rem;grid-template-columns:1fr}
@media (min-width:560px){ .form-row{grid-template-columns:1fr 1fr} }
.form .btn-primary{background:var(--clay-500);color:#fff}
.form .btn-primary:hover{background:var(--clay-400)}
.form-status{margin:0;font-size:.88rem;min-height:1.3rem;color:rgba(244,238,228,.8)}
.form-status.is-error{color:#F0B3A6}
.form-status.is-ok{color:#BEDDB6}

/* ---------- Footer ---------- */
.site-footer{background:var(--sand-100);border-top:1px solid var(--line);padding:3rem 0}
.footer-inner{display:grid;gap:1.6rem}
@media (min-width:860px){
  .footer-inner{grid-template-columns:auto 1fr auto;align-items:center;gap:2.5rem}
  .footer-legal{text-align:right}
}
.footer-nav{display:flex;flex-wrap:wrap;gap:1.4rem}
.footer-nav a{font-size:.87rem;text-decoration:none;color:var(--olive-700)}
.footer-nav a:hover{color:var(--clay-600)}
.footer-legal{margin:0;font-size:.78rem;color:var(--muted);line-height:1.7}