:root{
  --bg:#f5f3ee;
  --paper:#ffffff;
  --ink:#161616;
  --muted:#6c6b67;
  --accent:#b99563;
  --accent-dark:#927247;
  --dark:#151719;
  --line:#dedbd4;
  --header-h:84px;
  --shadow:0 18px 50px rgba(0,0,0,.10);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"Montserrat",Arial,sans-serif;
  color:var(--ink);
  background:var(--bg);
  line-height:1.65;
  overflow-x:hidden;
}
img{width:100%;display:block}
.logo{
  width: 10%;
}
a{text-decoration:none;color:inherit}
button,input,textarea,select{font:inherit}
.container{width:min(1180px,calc(100% - 40px));margin:auto}
.section{padding:110px 0}

.site-header{
  position:fixed;
  inset:0 0 auto 0;
  height:var(--header-h);
  z-index:1000;
  transition:.3s ease;
  background:linear-gradient(to bottom,rgba(0,0,0,.62),rgba(0,0,0,0));
}
.site-header.scrolled{
  background:rgba(18,20,21,.96);
  box-shadow:0 10px 30px rgba(0,0,0,.12);
}
.nav-wrap{
  height:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:30px;
}
.brand{display:flex;align-items:center;gap:12px;color:#fff}
.brand-mark{
  width:46px;height:46px;border:1px solid rgba(255,255,255,.7);
  border-radius:50%;display:grid;place-items:center;
  font-family:"Playfair Display",serif;font-size:27px;
}
.brand-copy{display:flex;flex-direction:column;line-height:1}
.brand-copy strong{font-size:18px;letter-spacing:.18em}
.brand-copy small{font-size:8px;letter-spacing:.14em;margin-top:7px;opacity:.82}
.main-nav{display:flex;align-items:center;gap:26px;color:#fff;font-size:13px;font-weight:600}
.main-nav a{position:relative;padding:12px 0}
.main-nav a:not(.nav-cta)::after{
  content:"";position:absolute;left:0;bottom:5px;width:0;height:1px;
  background:var(--accent);transition:.25s;
}
.main-nav a:hover::after{width:100%}
.nav-cta{border:1px solid rgba(255,255,255,.6);padding:10px 18px!important}
.menu-toggle{display:none;background:none;border:0;width:40px}
.menu-toggle span{display:block;height:2px;background:#fff;margin:7px 0}

.hero{
  min-height:92vh;
  position:relative;
  display:flex;
  align-items:center;
  background-size:cover;
  background-position:center;
  color:#fff;
}
.hero-architecture{
  background-image:url("../images/photo-1600566753086-00f18fb6b3ea.avif");
}
.hero-interior{
  min-height:78vh;
  background-image:url("../images/photo-interiores.avif");
  background-position:center 55%;
}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(90deg,rgba(0,0,0,.67),rgba(0,0,0,.14))}
.hero-interior .hero-overlay{background:linear-gradient(90deg,rgba(0,0,0,.12),rgba(0,0,0,.68))}
.hero-content{position:relative;z-index:2;max-width:720px;padding-top:var(--header-h)}
.hero-content-right{margin-left:auto;max-width:590px}
.eyebrow,.kicker{
  text-transform:uppercase;letter-spacing:.24em;font-size:11px;font-weight:700;
  color:var(--accent);margin-bottom:18px;display:block;
}
.hero h1,.hero h2{
  font-family:"Playfair Display",serif;
  font-size:clamp(52px,7vw,96px);line-height:.95;
  letter-spacing:-.03em;margin-bottom:28px;
}
.hero h2{font-size:clamp(48px,6vw,82px)}
.hero p:not(.eyebrow){max-width:620px;font-size:16px;color:rgba(255,255,255,.90);margin-bottom:34px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:50px;padding:0 25px;border:1px solid transparent;
  text-transform:uppercase;letter-spacing:.10em;font-size:11px;font-weight:700;
  cursor:pointer;transition:.25s;
}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-dark);transform:translateY(-2px)}
.btn-outline-light{border-color:rgba(255,255,255,.75);color:#fff}
.btn-outline-light:hover{background:#fff;color:#111}
.btn-dark{background:var(--dark);color:#fff}
.btn-dark:hover{background:#000;transform:translateY(-2px)}
.btn-full{width:100%}
.scroll-indicator{
  position:absolute;bottom:25px;left:50%;z-index:3;
  width:42px;height:42px;border:1px solid rgba(255,255,255,.45);
  border-radius:50%;display:grid;place-items:center;animation:bob 2s infinite;
}
@keyframes bob{50%{transform:translateY(7px)}}

.trust-strip{background:#17191b;color:#fff;padding:42px 0}
.trust-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:34px}
.trust-card{display:flex;gap:18px}
.trust-card .icon{
  width:45px;height:45px;flex:0 0 45px;border:1px solid rgba(185,149,99,.55);
  border-radius:50%;display:grid;place-items:center;color:var(--accent)
}
.trust-card h3{font-family:"Playfair Display",serif;font-size:20px;margin-bottom:7px}
.trust-card p{font-size:12px;color:#bbb}

.section-heading{max-width:720px;margin-bottom:55px}
.section-heading h2,.innovation-copy h2,.contact-copy h2{
  font-family:"Playfair Display",serif;
  font-size:clamp(38px,5vw,62px);
  line-height:1.07;margin-bottom:20px;
}
.section-heading p,.innovation-copy p,.contact-copy>p{color:var(--muted)}
.services{background:var(--paper)}
.services-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line)}
.service-card{
  background:#fff;padding:44px 36px;min-height:340px;
  transition:.3s ease;
}
.service-card:hover{transform:translateY(-7px);box-shadow:var(--shadow);position:relative;z-index:2}
.service-number{font-family:"Playfair Display",serif;font-size:42px;color:#d7d1c8;margin-bottom:42px}
.service-card h3{font-family:"Playfair Display",serif;font-size:26px;line-height:1.2;margin-bottom:18px}
.service-card p{color:var(--muted);font-size:14px;margin-bottom:28px}
.service-card a{font-size:11px;text-transform:uppercase;letter-spacing:.1em;font-weight:700;color:var(--accent-dark)}

.innovation{background:#ece9e2}
.innovation-grid{display:grid;grid-template-columns:1fr 1.05fr;align-items:center;gap:70px}
.innovation-image{box-shadow:var(--shadow);overflow:hidden}
.innovation-image img{height:600px;object-fit:cover;transition:transform .8s}
.innovation-image:hover img{transform:scale(1.035)}
.check-list{list-style:none;margin:30px 0}
.check-list li{padding:11px 0 11px 28px;border-bottom:1px solid #d5d0c6;position:relative}
.check-list li::before{content:"✓";position:absolute;left:0;color:var(--accent-dark);font-weight:800}

.projects{background:#17191b}
.section-heading-light h2{color:#fff}
.projects-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.project-card{position:relative;overflow:hidden;min-height:440px;background:#222}
.project-card img{height:100%;min-height:440px;object-fit:cover;transition:transform .7s}
.project-card::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(to top,rgba(0,0,0,.78),rgba(0,0,0,0) 62%);
}
.project-card:hover img{transform:scale(1.05)}
.project-info{position:absolute;left:32px;right:32px;bottom:30px;color:#fff;z-index:2}
.project-info span{font-size:10px;text-transform:uppercase;letter-spacing:.2em;color:var(--accent)}
.project-info h3{font-family:"Playfair Display",serif;font-size:29px;margin:7px 0}
.project-info p{font-size:12px;color:#ddd;max-width:500px}

.difference{background:#fff}
.difference-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.difference-card{border-top:1px solid var(--line);padding:28px 10px 15px 0}
.difference-card>span{font-family:"Playfair Display",serif;color:var(--accent);font-size:24px}
.difference-card h3{font-family:"Playfair Display",serif;font-size:22px;margin:18px 0 12px}
.difference-card p{font-size:13px;color:var(--muted)}

.contact{background:#e9e5dd}
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:80px}
.contact-data{margin-top:35px;display:grid;grid-template-columns:1fr 1fr;gap:24px}
.contact-data p{font-size:13px;color:var(--muted)}
.contact-data strong{color:var(--ink)}
.contact-form{background:#fff;padding:42px;box-shadow:var(--shadow)}
.contact-form label{display:block;font-size:11px;text-transform:uppercase;letter-spacing:.1em;font-weight:700;margin-bottom:18px}
.contact-form input,.contact-form textarea,.contact-form select{
  width:100%;margin-top:8px;border:1px solid #d8d4cd;background:#fbfaf8;
  padding:14px 15px;outline:none;transition:.2s;text-transform:none;letter-spacing:0;font-weight:400
}
.contact-form input:focus,.contact-form textarea:focus,.contact-form select:focus{
  border-color:var(--accent);box-shadow:0 0 0 3px rgba(185,149,99,.12)
}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.honeypot{position:absolute!important;left:-10000px!important}
.form-status{margin-top:16px;font-size:15px;min-height:20px}
.form-status.success{color:#2e7d32}
.form-status.error{color:#b3261e}

.site-footer{background:#101214;color:#fff;padding:75px 0 25px}
.footer-grid{display:grid;grid-template-columns:1.6fr .7fr .7fr;gap:60px}
.footer-grid h4{font-family:"Playfair Display",serif;margin-bottom:18px;font-size:19px}
.footer-grid>div{display:flex;flex-direction:column;gap:9px}
.footer-grid a,.footer-grid span,.footer-text{font-size:12px;color:#aaa}
.footer-text{max-width:420px;margin-top:15px}
.footer-bottom{
  margin-top:60px;padding-top:20px;border-top:1px solid #2b2d2f;
  display:flex;justify-content:space-between;font-size:11px;color:#777
}
.footer-brand{margin-bottom:6px}

.whatsapp-float{
  position:fixed;right:22px;bottom:22px;width:54px;height:54px;border-radius:50%;
  background:#25d366;color:#fff;display:grid;place-items:center;z-index:900;
  font-weight:800;font-size:11px;box-shadow:0 10px 30px rgba(0,0,0,.25)
}

.reveal{opacity:0;transform:translateY(24px);transition:opacity .8s ease,transform .8s ease}
.reveal.visible{opacity:1;transform:none}

@media (max-width:900px){
  :root{--header-h:72px}
  .menu-toggle{display:block}
  .main-nav{
    position:absolute;top:72px;left:0;right:0;background:#161819;
    flex-direction:column;align-items:stretch;gap:0;padding:12px 20px 22px;
    transform:translateY(-130%);opacity:0;pointer-events:none;transition:.25s
  }
  .main-nav.open{transform:none;opacity:1;pointer-events:auto}
  .main-nav a{padding:14px 8px}
  .nav-cta{margin-top:8px;text-align:center}
  .trust-grid,.services-grid,.difference-grid{grid-template-columns:1fr 1fr}
  .innovation-grid,.contact-grid{grid-template-columns:1fr;gap:45px}
  .innovation-image img{height:430px}
  .difference-grid{gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr}
}

@media (max-width:620px){
  .container{width:min(100% - 28px,1180px)}
  .section{padding:78px 0}
  .brand-copy small{display:none}
  .hero{min-height:87vh}
  .hero-architecture{background-position:58% center}
  .hero-interior{background-position:center}
  .hero h1,.hero h2{font-size:47px}
  .hero-content-right{margin-left:0}
  .trust-grid,.services-grid,.projects-grid,.difference-grid,.footer-grid{grid-template-columns:1fr}
  .project-card,.project-card img{min-height:390px}
  .contact-form{padding:27px 20px}
  .field-row,.contact-data{grid-template-columns:1fr}
  .footer-bottom{gap:14px;flex-direction:column}
}


.contact-form button:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}