/* ===========================================================
   GUMONT XI — Río de Janeiro 54
   Paleta y estilo siguiendo el folleto + estructura tipo gumont.com.ar/x/
   =========================================================== */

:root{
  --bg:           #ffffff;
  --bg-soft:      #f5f3ef;
  --ink:          #1a1a1a;
  --ink-soft:     #4a4a4a;
  --line:         #e5e1d8;
  --dark:         #101010;
  --dark-2:       #1a1a1a;
  --dark-3:       #2a2a2a;
  --accent:       #5a3a2c;      /* marrón terracota del folleto */
  --accent-2:     #7a4b3a;
  --on-dark:      #ffffff;
  --on-dark-soft: #b8b1a8;

  --serif: "Cormorant Garamond", Georgia, "Times New Roman", serif;
  --sans:  "Montserrat", -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;

  --max:    1240px;
  --pad-x:  clamp(20px, 4vw, 56px);
  --pad-y:  clamp(64px, 9vw, 120px);
  --radius: 4px;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--sans);
  font-weight:400;
  color:var(--ink);
  background:var(--bg);
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit}

h1,h2,h3,h4{font-family:var(--sans);font-weight:600;letter-spacing:-.01em;line-height:1.15;margin:0 0 .5em}
h1{font-size:clamp(2.6rem,6vw,5rem);font-weight:300;letter-spacing:.02em}
h2{font-size:clamp(1.7rem,3.2vw,2.6rem);font-weight:500;margin-bottom:.6em}
h3{font-size:clamp(1.15rem,1.8vw,1.4rem);font-weight:600}
h4{font-size:.95rem;font-weight:600;letter-spacing:.05em;text-transform:uppercase}
p{margin:0 0 1em;color:var(--ink-soft)}
.section--dark p{color:var(--on-dark-soft)}
.section--dark h2,
.section--dark h3,
.section--dark h4{color:var(--on-dark)}

.container{max-width:var(--max);margin:0 auto;padding:0 var(--pad-x)}

.eyebrow{
  display:inline-block;
  font-size:.72rem;
  letter-spacing:.22em;
  text-transform:uppercase;
  font-weight:500;
  color:var(--accent);
  margin-bottom:1.2em;
}
.eyebrow--dark{color:var(--accent)}

/* =====================  Brand logo (nav)  ===================== */
.nav__logo{
  display:block;
  width:auto;height:54px;
  transition:height .25s;
}
.nav.is-scrolled .nav__logo{height:42px}
@media (max-width:920px){
  .nav__logo{height:44px}
  .nav.is-scrolled .nav__logo{height:38px}
}

/* =====================  Nav  ===================== */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:60;
  padding:18px 0;
  transition:background .25s, padding .25s, color .25s, box-shadow .25s;
  color:var(--on-dark);
}
.nav.is-scrolled,
.nav.is-menu-open{
  background:rgba(16,16,16,.97);
  backdrop-filter:blur(8px);
  padding:12px 0;
  box-shadow:0 1px 0 rgba(255,255,255,.06);
}
.nav__inner{
  max-width:var(--max);margin:0 auto;padding:0 var(--pad-x);
  display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.nav__brand{display:flex;align-items:center;color:inherit}
.nav__menu{display:flex;gap:30px;align-items:center}
.nav__menu a{
  font-size:.82rem;letter-spacing:.14em;text-transform:uppercase;font-weight:500;
  position:relative;padding:6px 0;color:inherit;
}
.nav__menu a:not(.nav__cta):hover::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:currentColor}
.nav__cta{border:1px solid currentColor;padding:9px 18px !important;border-radius:2px;transition:background .2s,color .2s}
.nav__cta:hover{background:var(--on-dark);color:var(--dark)}

.nav__toggle{
  display:none;background:none;border:0;width:34px;height:34px;cursor:pointer;
  flex-direction:column;justify-content:center;align-items:center;gap:5px;
}
.nav__toggle span{display:block;width:22px;height:1.5px;background:currentColor;transition:transform .2s, opacity .2s}
.nav__toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6.5px) rotate(45deg)}
.nav__toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav__toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6.5px) rotate(-45deg)}

@media (max-width:920px){
  .nav__toggle{display:flex}
  .nav__menu{
    position:fixed;top:0;left:0;right:0;background:rgba(16,16,16,.97);
    flex-direction:column;align-items:flex-start;gap:0;
    padding:80px var(--pad-x) 24px;
    max-height:100vh;overflow:auto;
    visibility:hidden;opacity:0;
    transform:translateY(-12px);transition:transform .25s, opacity .2s, visibility 0s linear .25s;
    color:var(--on-dark);
  }
  .nav__menu.is-open{
    visibility:visible;opacity:1;transform:translateY(0);
    transition:transform .25s, opacity .2s, visibility 0s;
  }
  .nav__menu a{width:100%;padding:14px 0;border-bottom:1px solid rgba(255,255,255,.08)}
  .nav__cta{margin-top:12px;text-align:center;border:1px solid rgba(255,255,255,.4) !important}
}

/* =====================  Hero  ===================== */
.hero{
  position:relative;min-height:100vh;color:var(--on-dark);
  display:flex;align-items:flex-end;overflow:hidden;
}
.hero__img{
  position:absolute;inset:0;
  background:#0a0a0a url("../img/facade.jpg") center 25%/cover no-repeat;
  transform:scale(1.02);
}
.hero__overlay{
  position:relative;width:100%;
  background:linear-gradient(180deg, rgba(0,0,0,0) 0%, rgba(0,0,0,.15) 35%, rgba(0,0,0,.78) 100%);
  padding:140px 0 80px;
}
.hero__content{max-width:var(--max);margin:0 auto;padding:0 var(--pad-x)}
.hero h1{
  font-family:var(--sans);
  font-weight:200;
  letter-spacing:.18em;
  margin:8px 0 18px;
}
.hero__addr{
  font-size:.85rem;letter-spacing:.32em;text-transform:uppercase;
  color:var(--on-dark);opacity:.9;margin-bottom:24px;
}
.hero__lead{max-width:560px;font-size:1.05rem;color:var(--on-dark);opacity:.92;margin-bottom:34px}
.hero__ctas{display:flex;gap:14px;flex-wrap:wrap}
.hero__scroll{
  position:absolute;bottom:24px;left:50%;transform:translateX(-50%);
  color:var(--on-dark);font-size:1.4rem;opacity:.7;animation:bob 2.4s ease-in-out infinite;
}
@keyframes bob{0%,100%{transform:translate(-50%,0)}50%{transform:translate(-50%,8px)}}

/* =====================  Buttons  ===================== */
.btn{
  display:inline-block;padding:14px 30px;font-size:.78rem;letter-spacing:.18em;text-transform:uppercase;
  font-weight:600;border-radius:2px;border:1px solid transparent;cursor:pointer;transition:all .2s;
}
.btn--solid{background:var(--on-dark);color:var(--dark);border-color:var(--on-dark)}
.btn--solid:hover{background:var(--accent);border-color:var(--accent);color:#fff}
.btn--ghost{background:transparent;color:var(--on-dark);border-color:rgba(255,255,255,.6)}
.btn--ghost:hover{background:rgba(255,255,255,.1);border-color:var(--on-dark)}
.section--light .btn--ghost{color:var(--ink);border-color:var(--ink)}
.section--light .btn--ghost:hover{background:var(--ink);color:#fff}

/* =====================  Sections  ===================== */
.section{padding:var(--pad-y) 0}
.section--light{background:var(--bg)}
.section--dark{background:var(--dark);color:var(--on-dark)}

.grid-2{
  display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:start;
}
@media (max-width:900px){.grid-2{grid-template-columns:1fr;gap:36px}}

/* Sección "El proyecto" — fachada izquierda + info + stats stacked derecha */
.grid-2--proyecto{
  grid-template-columns:minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap:56px;align-items:stretch;
}
.proyecto__img{
  margin:0;border-radius:var(--radius);overflow:hidden;
  background:#0a0a0a;align-self:stretch;
}
.proyecto__img img{
  width:100%;height:100%;object-fit:cover;display:block;
  min-height:520px;max-height:780px;
}
.proyecto__info{display:flex;flex-direction:column}
.proyecto__info .stats{margin-top:32px}
@media (max-width:900px){
  .grid-2--proyecto{grid-template-columns:1fr;gap:36px}
  .proyecto__img img{min-height:360px;max-height:520px}
}

.lede{font-size:1.1rem;max-width:680px;color:var(--ink-soft);margin-bottom:40px}
.section--dark .lede{color:var(--on-dark-soft)}

/* =====================  Stats  ===================== */
.stats{
  list-style:none;padding:0;margin:0;
  display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);border:1px solid var(--line);
}
.stats li{
  background:var(--bg);padding:30px 24px;display:flex;flex-direction:column;gap:8px;
}
.stats__num{font-family:var(--sans);font-weight:200;font-size:clamp(1.8rem,3.6vw,2.8rem);color:var(--ink);letter-spacing:.01em;line-height:1}
.stats__num small{font-size:.5em;font-weight:300;color:var(--ink-soft);margin-left:2px}
.stats__lbl{font-size:.72rem;letter-spacing:.2em;text-transform:uppercase;color:var(--ink-soft)}

/* =====================  Renders gallery  ===================== */
.renders{padding:0 0 12px;background:var(--bg)}
.renders__wide img{width:100%;aspect-ratio:21/9;object-fit:cover}
.renders__row{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin:8px 0}
.renders__row img{width:100%;aspect-ratio:4/3;object-fit:cover}
.renders__note{
  max-width:var(--max);margin:24px auto;padding:0 var(--pad-x);
  font-size:.78rem;color:var(--ink-soft);font-style:italic;
}
@media (max-width:700px){.renders__row{grid-template-columns:1fr}}

/* =====================  Tabs / Unidades  ===================== */
.tabs{
  display:flex;gap:0;margin:32px 0 36px;border-bottom:1px solid var(--line);flex-wrap:wrap;
}
.tab{
  background:transparent;border:0;padding:14px 24px;cursor:pointer;
  font-size:.82rem;letter-spacing:.14em;text-transform:uppercase;font-weight:500;
  color:var(--ink-soft);position:relative;
}
.tab.is-active{color:var(--ink)}
.tab.is-active::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;background:var(--accent);
}
.tab-panel{display:none}
.tab-panel.is-active{display:block;animation:fade .3s ease}
@keyframes fade{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}

/* Variantes (sub-selector dentro de cada tipología) */
.variants{
  display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px;
}
.variant-chip{
  background:#fff;border:1px solid var(--line);
  padding:9px 16px;border-radius:999px;cursor:pointer;
  font-size:.78rem;letter-spacing:.05em;color:var(--ink-soft);
  font-weight:500;transition:all .18s;
}
.variant-chip:hover{border-color:var(--accent);color:var(--ink)}
.variant-chip.is-active{
  background:var(--ink);color:#fff;border-color:var(--ink);
}
.variant{display:none}
.variant.is-active{display:block;animation:fade .25s ease}

.unidades__note{
  margin-top:32px;font-size:.78rem;color:var(--ink-soft);font-style:italic;
  max-width:780px;
}

.unit{
  display:grid;grid-template-columns:1.25fr 1fr;gap:56px;align-items:center;
  background:#fff;padding:48px;border-radius:var(--radius);
  border:1px solid var(--line);
  box-shadow:0 2px 16px rgba(0,0,0,.03);
}
.unit--local{grid-template-columns:1.7fr 1fr}
.unit__plan img{width:100%;max-width:620px;margin:0 auto;display:block}
.unit__plan--wide img{max-width:100%}
.unit__head{display:flex;justify-content:space-between;align-items:baseline;gap:20px;flex-wrap:wrap;margin-bottom:14px}
.unit__head h3{margin:0;font-size:1.4rem}
.unit__area{
  font-size:1.05rem;font-weight:600;color:var(--accent);letter-spacing:.01em;white-space:nowrap;
}
.unit__area em{display:block;font-style:normal;font-size:.65rem;letter-spacing:.18em;text-transform:uppercase;color:var(--ink-soft);font-weight:500;margin-top:2px;text-align:right}
.unit__lead{font-size:.95rem;color:var(--ink-soft);margin-bottom:24px}
.unit__info h4{font-size:.72rem;letter-spacing:.2em;color:var(--accent);margin-bottom:10px}

.dims{list-style:none;padding:0;margin:0}
.dims li{
  display:flex;justify-content:space-between;align-items:center;gap:16px;
  padding:11px 0;border-bottom:1px solid var(--line);font-size:.92rem;
}
.dims li span{color:var(--ink-soft)}
.dims li b{font-weight:600;color:var(--ink);font-variant-numeric:tabular-nums}
.dims li:last-child{border-bottom:0}

@media (max-width:820px){
  .unit, .unit--local{grid-template-columns:1fr;padding:28px;gap:32px}
}

/* =====================  Ubicación  ===================== */
.map{
  margin:32px 0 48px;
  position:relative;
}
.map > img:first-child{width:100%;display:block}
.map__pin{
  position:absolute;
  pointer-events:none;
  display:inline-block;
}
.map__pin--montana{
  top:53%;left:46%;
  width:8.64%;       /* 20% más grande que 7.2% */
  transform:translate(-50%, -50%);
}
.map__pin--montana > img{
  width:100%;display:block;
  transform:rotate(-27deg);
  transform-origin:center;
  border:1px solid #fff;
  padding:6% 4%;
  background:#000;   /* fondo negro sólido (tapa lo que esté debajo) */
  box-sizing:border-box;
}
.map__pin-dot{
  position:absolute;
  /* posicionado en coordenadas relativas al MAPA (no al logo) */
  top:58%;
  left:41.5%;
  width:1.1%;       /* tamaño relativo al ancho del mapa */
  aspect-ratio:1;
  background:#fff;
  border-radius:50%;
  transform:translate(-50%, -50%);
  pointer-events:none;
}

.poi{display:grid;grid-template-columns:repeat(4,1fr);gap:36px}
.poi__group h4{color:var(--accent-2);margin-bottom:12px;font-size:.78rem;letter-spacing:.2em}
.section--dark .poi__group h4{color:#c8a799}
.poi__group ul{list-style:none;padding:0;margin:0}
.poi__group li{padding:8px 0;font-size:.92rem;border-bottom:1px solid rgba(255,255,255,.06)}
.poi__group li:last-child{border-bottom:0}
@media (max-width:900px){.poi{grid-template-columns:1fr 1fr;gap:28px}}
@media (max-width:520px){.poi{grid-template-columns:1fr}}

/* =====================  Trayectoria  ===================== */
.projects{
  display:grid;grid-template-columns:repeat(5,1fr);gap:18px;margin:32px 0 24px;
}
.projects figure{margin:0;text-align:center}
.projects img{
  width:100%;aspect-ratio:3/4;object-fit:cover;border-radius:var(--radius);
  filter:saturate(.92);transition:filter .25s,transform .25s;
}
.projects figure:hover img{filter:saturate(1.1);transform:translateY(-3px)}
.projects figcaption{
  margin-top:12px;font-size:.82rem;letter-spacing:.05em;color:var(--ink-soft);
}
.projects__more{font-size:.85rem;color:var(--ink-soft);margin-top:20px;text-align:center;font-style:italic}
@media (max-width:900px){.projects{grid-template-columns:repeat(3,1fr)}}
@media (max-width:520px){.projects{grid-template-columns:1fr 1fr}}

/* =====================  Forma de pago  ===================== */
.pago{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:36px}
.pago__card{
  background:var(--dark-2);border:1px solid rgba(255,255,255,.08);
  padding:36px 32px;border-radius:var(--radius);position:relative;
}
.pago__num{
  font-family:var(--serif);font-size:3rem;color:var(--accent-2);
  display:block;line-height:1;margin-bottom:18px;
}
.pago__card h3{color:var(--on-dark);margin-bottom:12px}
.pago__card p{color:var(--on-dark-soft);font-size:.95rem;margin:0}
@media (max-width:820px){.pago{grid-template-columns:1fr}}

/* =====================  Contacto  ===================== */
.grid-2--contacto{gap:80px}
.ofic{list-style:none;padding:0;margin:30px 0 0;display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.ofic li{display:flex;flex-direction:column;gap:4px}
.ofic h4{font-size:.7rem;letter-spacing:.22em;margin-bottom:4px;color:var(--accent)}
.ofic__addr{font-size:.88rem;color:var(--ink-soft);line-height:1.4}
.ofic a{font-size:1.05rem;font-weight:500;color:var(--ink);margin-top:2px;font-variant-numeric:tabular-nums}
.ofic a:hover{color:var(--accent)}
.ofic__note{margin-top:18px;font-size:.85rem;color:var(--ink-soft);font-style:italic}
@media (max-width:560px){.ofic{grid-template-columns:1fr 1fr}}

.form{
  display:grid;grid-template-columns:1fr 1fr;gap:18px;
  background:var(--bg-soft);padding:36px;border-radius:var(--radius);
}
.form label{
  display:flex;flex-direction:column;gap:6px;
  font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;font-weight:600;color:var(--ink);
}
.form input,.form select,.form textarea{
  font-family:var(--sans);font-size:.95rem;font-weight:400;
  background:#fff;border:1px solid var(--line);padding:11px 14px;border-radius:2px;
  color:var(--ink);text-transform:none;letter-spacing:0;
  transition:border-color .2s;
}
.form input:focus,.form select:focus,.form textarea:focus{outline:none;border-color:var(--accent)}
.form__full{grid-column:1/-1}
.form__submit{grid-column:1/-1;justify-self:start;margin-top:4px}
.form__ok{
  grid-column:1/-1;background:#f0ebe4;color:var(--ink);padding:14px 18px;border-radius:2px;
  font-size:.92rem;margin:0;font-style:italic;
}
@media (max-width:560px){.form{grid-template-columns:1fr;padding:24px}}

/* =====================  Footer  ===================== */
.footer{background:var(--dark);color:var(--on-dark);padding:70px 0 36px}
.footer__logos{
  display:grid;grid-template-columns:repeat(3,1fr);gap:48px;align-items:start;
  padding-bottom:48px;border-bottom:1px solid rgba(255,255,255,.08);
}
.footer__logo{display:flex;flex-direction:column;align-items:center;text-align:center;gap:14px}
.footer__role{
  font-size:.7rem;letter-spacing:.22em;text-transform:uppercase;color:var(--on-dark-soft);
}
.footer__logo img{max-height:70px;width:auto;filter:brightness(1.05)}
.footer__addr{font-size:.82rem;color:var(--on-dark-soft);margin-top:6px;line-height:1.7;text-align:center}
.footer__tagline{
  font-size:.7rem;letter-spacing:.28em;text-transform:uppercase;
  color:var(--on-dark-soft);margin-top:4px;
}
.footer__branches{
  list-style:none;padding:0;margin:10px 0 0;
  display:flex;align-items:stretch;justify-content:center;gap:0;
  font-size:.78rem;color:var(--on-dark-soft);line-height:1.55;
}
.footer__branches li{
  padding:0 16px;text-align:center;border-right:1px solid rgba(255,255,255,.18);
  display:flex;flex-direction:column;justify-content:flex-start;min-width:0;
}
.footer__branches li:last-child{border-right:0}
.footer__branches strong{
  display:block;font-weight:600;color:var(--on-dark);margin-bottom:4px;letter-spacing:.02em;
}
.footer__branches span{display:block}
.footer__branches span + span{margin-top:2px;opacity:.85;font-variant-numeric:tabular-nums}
@media (max-width:520px){
  .footer__branches{flex-direction:column;gap:12px}
  .footer__branches li{border-right:0;padding:0}
}
.footer__legal{
  margin:32px auto 0;max-width:880px;text-align:center;
  font-size:.72rem;color:var(--on-dark-soft);line-height:1.7;
}
@media (max-width:820px){.footer__logos{grid-template-columns:1fr;gap:36px}}

/* =====================  WhatsApp floating  ===================== */
.wa{
  position:fixed;right:22px;bottom:22px;z-index:80;
  width:58px;height:58px;border-radius:50%;
  background:#25D366;color:#fff;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 8px 24px rgba(0,0,0,.25);
  transition:transform .2s, box-shadow .2s;
}
.wa:hover{transform:translateY(-3px);box-shadow:0 12px 28px rgba(0,0,0,.32)}
@media (max-width:520px){.wa{right:16px;bottom:16px;width:52px;height:52px}.wa svg{width:24px;height:24px}}

/* =====================  Reveal on scroll  ===================== */
.reveal{opacity:0;transform:translateY(20px);transition:opacity .7s, transform .7s}
.reveal.is-in{opacity:1;transform:none}