*{margin:0;padding:0;box-sizing:border-box}
:root{
  --gold:#FFC200;
  --gold-dark:#D4A000;
  --black:#1F1F1F;
  --gray-light:#F5F5F5;
  --gray-mid:#CCCCCC;
  --white:#FFFFFF;
  --text:#1F1F1F;
  --text-muted:#666666;
}
html{scroll-behavior:smooth}
body{background:var(--white);color:var(--text);font-family:'Montserrat',sans-serif;overflow-x:hidden}

/* NAV */
nav{background:var(--white);display:flex;align-items:center;justify-content:space-between;padding:1rem 2rem;border-bottom:1px solid var(--gray-mid);position:sticky;top:0;z-index:100}
.nav-brand-name{font-size:1rem;font-weight:700;letter-spacing:0.1em;color:var(--black);text-transform:uppercase}
.nav-brand-sub{font-size:0.55rem;letter-spacing:0.25em;color:var(--gold);text-transform:uppercase;font-weight:600;margin-top:2px}
.nav-links{display:flex;gap:1.5rem;align-items:center}
.nav-links a{color:var(--text-muted);text-decoration:none;font-size:0.7rem;letter-spacing:0.12em;text-transform:uppercase;font-weight:500;transition:color 0.2s}
.nav-links a:hover{color:var(--gold)}
.nav-cta{background:var(--gold)!important;color:var(--black)!important;padding:0.55rem 1.2rem;font-weight:700!important}
.nav-cta:hover{background:var(--gold-dark)!important}
.nav-mobile-cta{display:none;background:var(--gold);color:var(--black);padding:0.5rem 1rem;font-size:0.68rem;font-weight:700;letter-spacing:0.12em;text-transform:uppercase;text-decoration:none;border:none;cursor:pointer}

/* HERO */
.hero{background:var(--black);padding:13rem 2rem;display:flex;align-items:center;justify-content:space-between;gap:2.5rem;min-height:520px;position:relative;overflow:hidden}
.hero-bg-header {position:absolute;right:0;left:0;top:0;bottom:0;width:100%;object-fit:cover;}
.hero-bg-lines{position: absolute;
  right: 0;
  top: 0;
  bottom: 0;
  width: 100%;
  opacity: 0.3;
  background-image: url(bg-pininfarina-rosario.jpg);
  background-position: center;
  background-size: cover;}
.hero-left{position:relative;z-index:1;flex:1;max-width:560px}
.hero-tag{display:inline-block;background:var(--gold);color:var(--black);font-size:0.6rem;font-weight:700;letter-spacing:0.28em;text-transform:uppercase;padding:0.38rem 0.9rem;margin-bottom:1.5rem}
.hero-title{font-size:clamp(2.4rem,6vw,3.8rem);font-weight:300;color:var(--white);line-height:1.05;margin-bottom:0.4rem}
.hero-title strong{font-weight:700;color:var(--gold);display:block}
.hero-subtitle{font-size:0.72rem;letter-spacing:0.38em;text-transform:uppercase;color:#999;margin-bottom:1.5rem;font-weight:400}
.hero-body{font-size:0.88rem;line-height:1.8;color:#AAAAAA;margin-bottom:2rem;max-width:460px}
.hero-actions{display:flex;gap:1rem;align-items:center;flex-wrap:wrap}
.btn-gold{background:var(--gold);color:var(--black);padding:0.8rem 1.8rem;font-size:0.7rem;font-weight:700;letter-spacing:0.18em;text-transform:uppercase;border:none;cursor:pointer;transition:background 0.2s;text-decoration:none;display:inline-block}
.btn-gold:hover{background:var(--gold-dark)}
.btn-outline{background:transparent;color:var(--white);padding:0.8rem 1.8rem;font-size:0.7rem;font-weight:600;letter-spacing:0.18em;text-transform:uppercase;border:1px solid rgba(255,255,255,0.25);cursor:pointer;transition:all 0.2s;text-decoration:none;display:inline-block}
.btn-outline:hover{border-color:var(--gold);color:var(--gold)}
.hero-right{position:relative;z-index:1;display:flex;flex-direction:column;gap:0.7rem;min-width:200px}
.hero-stat{border-left:3px solid var(--gold);padding:0.9rem 1.3rem;background:rgba(255,255,255,0.04)}
.hero-stat-num{font-size:2rem;font-weight:700;color:var(--gold);line-height:1}
.hero-stat-label{font-size:0.6rem;letter-spacing:0.22em;text-transform:uppercase;color:#777;margin-top:3px;font-weight:500}

/* BROKER BAR */
.broker-bar{background:var(--gold);display:flex;align-items:center;justify-content:center;gap:2rem;padding:0.9rem 2rem;flex-wrap:wrap}
.broker-item{display:flex;align-items:center;gap:0.5rem}
.broker-item svg{width:14px;height:14px;fill:var(--black);flex-shrink:0}
.broker-item span{font-size:0.68rem;font-weight:700;letter-spacing:0.08em;text-transform:uppercase;color:var(--black)}

/* SECTIONS */
section{padding:4rem 2rem}
.section-tag{display:inline-block;font-size:0.58rem;font-weight:700;letter-spacing:0.45em;text-transform:uppercase;color:var(--gold);margin-bottom:0.85rem}
.section-title{font-size:clamp(1.6rem,4vw,2.2rem);font-weight:700;color:var(--black);line-height:1.2;margin-bottom:0.5rem}
.section-title span{color:var(--gold)}
.gold-rule{width:44px;height:3px;background:var(--gold);margin:1.1rem 0 1.4rem}
.section-body{font-size:0.88rem;line-height:1.8;color:var(--text-muted);max-width:620px}

/* QUOTE */
.quote-sec{background:var(--black);padding:4rem 2rem;text-align:center}
.quote-sec blockquote{font-size:clamp(0.95rem,2.5vw,1.15rem);font-weight:300;font-style:italic;line-height:1.8;color:var(--white);max-width:680px;margin:1rem auto 1.4rem}
.quote-sec cite{font-size:0.65rem;font-weight:700;letter-spacing:0.32em;text-transform:uppercase;color:var(--gold)}

/* GRIDS */
.loc-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:1.2rem;margin-top:2rem}
.loc-card{background:var(--gray-light);padding:1.8rem;border-bottom:3px solid var(--gold)}
.loc-card h4{font-size:0.68rem;font-weight:700;letter-spacing:0.28em;text-transform:uppercase;color:var(--gold);margin-bottom:0.7rem}
.loc-card p{font-size:0.82rem;line-height:1.7;color:var(--text-muted)}

.arch-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1.2rem;margin-top:2rem}
.arch-card{background:var(--white);padding:1.8rem;border-left:4px solid var(--gold)}
.arch-card h4{font-size:0.66rem;font-weight:700;letter-spacing:0.28em;text-transform:uppercase;color:var(--gold);margin-bottom:0.7rem}
.arch-card p{font-size:0.83rem;line-height:1.7;color:var(--text-muted)}

/* AMENITIES */
.amenities-sec{background:var(--black);padding:4rem 2rem}
.amenities-sec .section-title{color:var(--white)}
.amenities-sec .section-body{color:#999}
.am-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(290px,1fr));gap:1px;background:rgba(255,255,255,0.06);border:1px solid rgba(255,255,255,0.06);margin-top:2rem}
.am-item{background:var(--black);padding:1.6rem;transition:background 0.25s}
.am-item:hover{background:#1a1a1a}
.am-num{font-size:0.58rem;font-weight:700;letter-spacing:0.32em;color:var(--gold);margin-bottom:0.5rem}
.am-item h4{font-size:0.85rem;font-weight:600;color:var(--white);margin-bottom:0.35rem;transition:color 0.25s}
.am-item:hover h4{color:var(--gold)}
.am-item p{font-size:0.73rem;color:#666;line-height:1.5}

/* UNITS */
.units-sec{background:var(--gray-light);padding:4rem 2rem}
.u-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1.2rem;margin:2rem auto;max-width: 1500px}
.u-card{background:var(--white);padding:2rem;border-top:4px solid var(--gray-mid);transition:border-top-color 0.3s}
.u-card:hover{border-top-color:var(--gold)}
.u-card.featured{border-top:4px solid var(--gold)}
.u-tag{font-size:0.58rem;font-weight:700;letter-spacing:0.38em;text-transform:uppercase;color:var(--text-muted);margin-bottom:0.85rem}
.u-badge{display:inline-block;background:var(--gold);color:var(--black);font-size:0.56rem;font-weight:700;letter-spacing:0.22em;text-transform:uppercase;padding:0.22rem 0.7rem;margin-bottom:0.7rem}
.u-m2{font-size:2.2rem;font-weight:700;color:var(--black);line-height:1}
.u-m2 sup{font-size:0.95rem;font-weight:400;color:var(--text-muted)}
.u-desc{font-size:0.76rem;line-height:1.6;color:var(--text-muted);margin-top:0.7rem}
.u-floor{font-size:0.63rem;font-weight:700;letter-spacing:0.18em;text-transform:uppercase;color:var(--gold);margin-top:1.1rem;padding-top:1.1rem;border-top:1px solid var(--gray-mid)}

/* COMPARE */
.compare-grid{display:grid;grid-template-columns:1fr 1fr;margin-top:2rem;border:1px solid var(--gray-mid)}
.c-col{padding:2.2rem}
.c-col+.c-col{border-left:1px solid var(--gray-mid);background:var(--black)}
.c-label{font-size:0.58rem;font-weight:700;letter-spacing:0.38em;text-transform:uppercase;margin-bottom:0.85rem;color:var(--text-muted)}
.c-col+.c-col .c-label{color:var(--gold)}
.c-col h3{font-size:clamp(1.1rem,2.5vw,1.3rem);font-weight:700;color:var(--black);margin-bottom:0.7rem;line-height:1.3}
.c-col+.c-col h3{color:var(--white)}
.c-col p{font-size:0.82rem;line-height:1.7;color:var(--text-muted)}
.c-col+.c-col p{color:#777}

/* CONTACT */
.contact-sec{background:var(--white);padding:4rem 2rem;border-top:1px solid var(--gray-mid)}
.contact-inner{max-width:560px;margin:2rem auto 0}
.f-row{display:grid;grid-template-columns:1fr 1fr;gap:0.9rem;margin-bottom:0.9rem}
.contact-inner input,
.contact-inner select,
.contact-inner textarea{width:100%;background:var(--gray-light);border:1px solid var(--gray-mid);padding:0.85rem 1rem;font-family:'Montserrat',sans-serif;font-size:0.85rem;color:var(--black);outline:none;transition:border-color 0.2s;border-radius:0;-webkit-appearance:none}
.contact-inner input:focus,
.contact-inner select:focus,
.contact-inner textarea:focus{border-color:var(--gold)}
.contact-inner input::placeholder,
.contact-inner textarea::placeholder{color:#AAAAAA}
.contact-inner select{color:#888;cursor:pointer}
.contact-inner select option{color:var(--black);background:var(--white)}
.contact-inner textarea{resize:vertical;min-height:100px;font-family:'Montserrat',sans-serif}
.f-gap{margin-bottom:0.9rem}
.btn-form{width:100%;padding:1rem;background:var(--gold);border:none;color:var(--black);font-family:'Montserrat',sans-serif;font-size:0.73rem;font-weight:700;letter-spacing:0.22em;text-transform:uppercase;cursor:pointer;margin-top:0.8rem;transition:background 0.2s}
.btn-form:hover{background:var(--gold-dark)}
.f-note{font-size:0.66rem;color:var(--text-muted);text-align:center;margin-top:0.75rem;line-height:1.6}

/* FOOTER */
footer{background:var(--black);padding:2.5rem 2rem;display:flex;align-items:flex-start;justify-content:space-between;flex-wrap:wrap;gap:1.8rem;border-top:3px solid var(--gold)}
.f-brand{font-size:0.95rem;font-weight:700;letter-spacing:0.13em;color:var(--white);text-transform:uppercase}
.f-brand span{display:block;font-size:0.56rem;letter-spacing:0.28em;color:var(--gold);margin-top:5px;font-weight:600}
.f-info{font-size:0.7rem;color:#888;line-height:2}
.f-disc{font-size:0.6rem;color:#555;max-width:280px;line-height:1.7}

#chat {
  position: fixed;
  right: 20px;
  bottom: 20px;
  width: 60px;
  height: 60px;
  z-index: 1;
}
#chat .avatar {
  display: inline-block;
  width: 100%;
  height: 100%;
  background: url(avatar.png) center center no-repeat;
  background-size: cover;
  border-radius: 50%;
  border: 3px white solid;
  box-shadow: 0 3px 7px rgba(0,0,0,.3);
  cursor: pointer;
}
#chat_saludo {
  position: fixed;
  bottom: 90px;
  right: 10px;
  width: 250px;
  background-color: #f5f5f5;
  color: #1F1F1F;
  padding: 10px;
  border-radius: 10px;
  box-shadow: 0 3px 7px rgba(0,0,0,.3);
  font-size: 12px;
  -webkit-transition: all .3s ease;
	-moz-transition: all .3s ease;
	-o-transition: all .3s ease;
	transition: all .3s ease;
  z-index: 999;
}
#chat_chat {
  position: fixed;
  bottom: 90px;
  right: 10px;
  width: 500px;
  height: 500px;
  background-color: #f5f5f5;
  color: #1F1F1F;
  padding: 5px;
  border-radius: 10px;
  box-shadow: 0 3px 7px rgba(0,0,0,.3);
  font-size: 12px;
  z-index: 999;
}

#chat_chat iframe {
  position: absolute;
  top: 2px;
  right: 2px;
  bottom: 2px;
  left: 2px;
  width: calc(100% - 4px);
  height: calc(100% - 4px);
  border-radius: 10px;
}
.hide {
  display: none;
}
/* ===================== RESPONSIVE ===================== */
@media (max-width: 768px) {

  /* NAV */
  nav{padding:0.9rem 1.2rem}
  .nav-links .nav-desktop{display:none}
  .nav-mobile-cta{display:block}
  .nav-brand-name{font-size:0.88rem}

  /* HERO */
  .hero.header {display: none}
  .hero{flex-direction:column;padding:3rem 1.2rem 2.5rem;gap:2rem}
  .hero-bg-lines{width:100%;opacity:0.03}
  .hero-right{flex-direction:row;flex-wrap:wrap;width:100%;gap:0.6rem;min-width:unset}
  .hero-stat{flex:1;min-width:calc(50% - 0.3rem);padding:0.8rem 1rem}
  .hero-stat-num{font-size:1.7rem}
  .hero-actions{flex-direction:column;align-items:stretch}
  .btn-gold,.btn-outline{text-align:center;padding:0.9rem 1rem}

  /* BROKER BAR */
  .broker-bar{gap:0.8rem;padding:0.8rem 1.2rem;justify-content:flex-start}
  .broker-item span{font-size:0.6rem}

  /* SECTIONS */
  section{padding:3rem 1.2rem}
  .amenities-sec{padding:3rem 1.2rem}
  .units-sec{padding:3rem 1.2rem}
  .contact-sec{padding:3rem 1.2rem}

  /* GRIDS */
  .loc-grid{grid-template-columns:1fr}
  .arch-grid{grid-template-columns:1fr}
  .am-grid{grid-template-columns:1fr 1fr}
  .u-grid{grid-template-columns:1fr}
  .compare-grid{grid-template-columns:1fr}
  .c-col+.c-col{border-left:none;border-top:1px solid rgba(255,255,255,0.1)}

  /* CONTACT */
  .f-row{grid-template-columns:1fr}

  /* QUOTE */
  .quote-sec{padding:3rem 1.2rem}

  /* FOOTER */
  footer{flex-direction:column;gap:1.4rem;padding:2rem 1.2rem}
  .f-disc{max-width:100%}
  #chat_chat {
    width: calc(100% - 20px);
    height: calc(100% - 100px);
  }
}

@media (max-width: 480px) {
  .am-grid{grid-template-columns:1fr}
  .hero-stat{min-width:calc(50% - 0.3rem)}
  .hero-title{font-size:2.4rem}
  nav{padding:0.8rem 1rem}
  .nav-brand-name{font-size:0.8rem;letter-spacing:0.06em}
}