*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
:root{
  --ink:#0f0f0f;--dark:#0a0a0a;--line:rgba(0,0,0,0.10);
  --accent:#c06030;
  --sans:'Raleway',sans-serif;
  --serif:'Cormorant Garamond',serif;
}
html,body{height:100%;font-family:var(--sans);color:var(--ink);background:#fff;overflow-x:hidden;-webkit-font-smoothing:antialiased;}
body.locked{overflow:hidden;}
img{display:block;max-width:100%;}
a{text-decoration:none;color:inherit;}

/* ── Architectural background lines (white sections) ── */
.arch-bg{
  background-color:#fff;
  /* Horizontal guides every 68px + sparse verticals every 204px — assimétrico como planta */
  background-image:
    linear-gradient(rgba(0,0,0,0.052) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,0,0,0.028) 1px, transparent 1px);
  background-size: 68px 68px, 204px 68px;
  position: relative;
}

/* ── Scroll reveal ── */
.reveal{
  opacity:0;
  transform:translateY(28px);
  transition:opacity .7s ease, transform .7s ease;
}
.reveal.delay-1{transition-delay:.1s;}
.reveal.delay-2{transition-delay:.2s;}
.reveal.delay-3{transition-delay:.3s;}
.reveal.delay-4{transition-delay:.4s;}
.reveal.visible{opacity:1;transform:none;}

/* ═══════════════════════════════════════════════
   INTRO OVERLAY
═══════════════════════════════════════════════ */
#intro{
  position:fixed;inset:0;z-index:999;
  background:var(--dark);
  transition:opacity .8s ease;
}
#intro.out{opacity:0;pointer-events:none;}

#introVideo{
  position:absolute;inset:0;
  width:100%;height:100%;
  object-fit:cover;
  opacity:1;
  transition:opacity .7s ease;
}
#introVideo.out{opacity:0;}

#heroPanel{
  position:absolute;inset:0;z-index:2;
  display:flex;flex-direction:column;
  align-items:center;justify-content:center;
  text-align:center;padding:0 28px;
  opacity:0;
  transition:opacity .7s ease;
  pointer-events:none;
}
#heroPanel.in{opacity:1;pointer-events:auto;}

.hero-eyebrow{
  font-size:13px;letter-spacing:.22em;text-transform:uppercase;
  color:rgba(255,255,255,.42);margin-bottom:28px;display:block;
}
.hero-h1{
  font-size:clamp(42px,6.5vw,88px);font-weight:300;color:#fff;
  letter-spacing:-.03em;line-height:1.05;margin-bottom:28px;
}
.hero-h1 em{
  font-style:italic;
  color:var(--accent);
  position:relative;
  display:inline-block;
}
.hero-h1 em::after{
  content:'';
  position:absolute;
  bottom:-6px;left:0;
  width:0;height:1.5px;
  background:var(--accent);
  transition:width 1s cubic-bezier(.4,0,.2,1) 1.1s;
}
#heroPanel.in .hero-h1 em::after{width:100%;}
.hero-tagline{
  font-size:13px;letter-spacing:.22em;text-transform:uppercase;
  color:rgba(255,255,255,.26);
  display:flex;align-items:center;justify-content:center;gap:18px;
}
.hero-tagline::before,.hero-tagline::after{
  content:'';display:block;width:28px;height:.5px;background:rgba(255,255,255,.15);
}

.hero-scroll{
  position:absolute;bottom:32px;left:50%;transform:translateX(-50%);
  display:flex;flex-direction:column;align-items:center;gap:8px;
}
.hero-scroll span{font-size:10px;letter-spacing:.18em;text-transform:uppercase;color:rgba(255,255,255,.28);}
.hero-scroll-line{width:1px;height:40px;background:linear-gradient(to bottom,rgba(255,255,255,.3),transparent);animation:blink 2s ease-in-out infinite;}
@keyframes blink{0%,100%{opacity:.3;}50%{opacity:.85;}}

#skipHint{
  position:absolute;bottom:32px;right:40px;z-index:3;
  font-size:10px;letter-spacing:.15em;text-transform:uppercase;
  color:rgba(255,255,255,.3);
  transition:opacity .4s;
}
#skipHint.out{opacity:0;}

/* ══════════════════════════════════════════════
   NAV
══════════════════════════════════════════════ */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:500;
  height:64px;display:flex;align-items:center;justify-content:space-between;
  padding:0 52px;
  background:rgba(10,10,10,0);
  transition:background .5s,border-color .5s;
  border-bottom:.5px solid transparent;
}
.nav.visible{
  background:rgba(10,10,10,0.92);
  border-bottom-color:rgba(255,255,255,0.06);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
}
.nav.light{
  background:rgba(255,255,255,0.95)!important;
  border-bottom-color:rgba(0,0,0,0.08)!important;
}
.nav-logo{font-size:14px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:#fff;transition:color .5s;}
.nav.light .nav-logo{color:var(--ink);}
.nav-links{display:flex;gap:32px;list-style:none;}
.nav-links a{font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:rgba(255,255,255,.5);transition:color .2s;}
.nav-links a:hover{color:#fff;}
.nav.light .nav-links a{color:#888;}
.nav.light .nav-links a:hover{color:var(--ink);}
.nav-cta{font-size:11px;letter-spacing:.1em;text-transform:uppercase;padding:9px 22px;border:.5px solid rgba(255,255,255,.28);background:none;color:#fff;cursor:pointer;font-family:var(--sans);transition:all .2s;}
.nav-cta:hover{background:#fff;color:var(--ink);}
.nav.light .nav-cta{border-color:#ccc;color:var(--ink);}
.nav.light .nav-cta:hover{background:var(--ink);color:#fff;}
.nav-burger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:4px;}
.nav-burger span{display:block;width:22px;height:1px;background:#fff;transition:background .5s;}
.nav.light .nav-burger span{background:var(--ink);}
.nav-mobile{display:none;position:fixed;top:64px;left:0;right:0;background:#fff;z-index:498;padding:24px 32px;border-bottom:.5px solid var(--line);flex-direction:column;}
.nav-mobile.open{display:flex;}
.nav-mobile a{font-size:15px;letter-spacing:.06em;text-transform:uppercase;color:var(--ink);padding:18px 0;border-bottom:.5px solid var(--line);}
.nav-mobile a:last-child{border-bottom:none;}

/* ══════════════════════════════════════════════
   PAGE SECTIONS
══════════════════════════════════════════════ */
section,.sec-wrap{padding:100px 52px;}
.section-tag{font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:#888;display:flex;align-items:center;gap:10px;margin-bottom:36px;}
.section-tag::before{content:'';display:inline-block;width:24px;height:1.5px;background:var(--accent);}
h2{font-size:clamp(28px,3.8vw,52px);font-weight:300;line-height:1.15;letter-spacing:-.01em;font-family:var(--serif);}
.hero-h1{font-family:var(--serif)!important;}

/* ── Logo ── */
.logo-hero{width:84px;height:auto;margin:0 auto 28px;display:block;}
.logo-footer{width:40px;height:auto;display:inline-block;vertical-align:middle;margin-right:10px;}

/* Footer brand row */
.footer-brand{display:flex;align-items:center;}
.footer-crafted{font-size:10px;letter-spacing:.08em;color:#bbb;}
.footer-crafted a{color:#bbb;border-bottom:.5px solid rgba(0,0,0,.15);transition:color .2s;}
.footer-crafted a:hover{color:var(--ink);}

/* Studio */
.studio{border-top:2px solid var(--accent);display:grid;grid-template-columns:1fr 1fr;gap:80px;padding:100px 52px;position:relative;}
.studio-left{position:relative;}
.studio-left::after{
  content:'25';
  position:absolute;bottom:-10px;left:-8px;
  font-family:var(--serif);font-size:clamp(120px,18vw,200px);font-weight:300;
  color:rgba(0,0,0,0.04);line-height:1;pointer-events:none;user-select:none;
  letter-spacing:-.05em;
}
.studio p{font-size:15px;line-height:1.85;color:#444;margin-bottom:18px;}
.studio p strong{color:var(--ink);}
.vals{display:grid;grid-template-columns:repeat(3,1fr);border-top:.5px solid var(--line);margin-top:44px;}
.val{padding:30px 22px 30px 0;border-right:.5px solid var(--line);transition:border-color .3s;}
.val:not(:first-child){padding-left:22px;}
.val:last-child{border-right:none;padding-right:0;}
.val-n{font-size:10px;letter-spacing:.1em;color:var(--accent);margin-bottom:8px;font-weight:600;}
.val-t{font-size:14px;font-weight:600;margin-bottom:7px;color:var(--ink);}
.val-d{font-size:12px;color:#777;line-height:1.65;}
.val:hover .val-t{color:var(--accent);transition:color .2s;}

/* Stats */
.stats{display:grid;grid-template-columns:repeat(3,1fr);border-top:2px solid var(--ink);border-bottom:.5px solid var(--line);background:#0a0a0a;}
.stat{padding:64px 52px;border-right:.5px solid rgba(255,255,255,.08);}
.stat:last-child{border-right:none;}
.stat-n{font-size:clamp(48px,6vw,80px);font-weight:300;letter-spacing:-.035em;line-height:1;margin-bottom:10px;color:#fff;font-family:var(--serif);}
.stat-l{font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:rgba(255,255,255,.35);}

/* Services */
.services{background:var(--dark);padding:80px 52px;}
.services .section-tag{color:rgba(255,255,255,.3);}
.services .section-tag::before{background:rgba(255,255,255,.2);}
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);border-top:.5px solid rgba(255,255,255,.08);margin-top:40px;}
.svc-card{padding:44px 32px;border-right:.5px solid rgba(255,255,255,.08);transition:background .3s,border-left .3s;cursor:pointer;border-left:2px solid transparent;}
.svc-card:first-child{border-left:none;}
.svc-card:last-child{border-right:none;}
.svc-card:hover{background:rgba(255,255,255,.04);border-left-color:var(--accent);}
.svc-num{font-size:10px;letter-spacing:.14em;color:var(--accent);margin-bottom:14px;font-weight:600;}
.svc-name{font-size:20px;font-weight:300;color:#fff;line-height:1.3;margin-bottom:14px;font-family:var(--serif);}
.svc-desc{font-size:13px;color:rgba(255,255,255,.5);line-height:1.75;}
.svc-link{display:inline-block;margin-top:28px;font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);transition:letter-spacing .2s;}
.svc-card:hover .svc-link{letter-spacing:.18em;}

/* Portfolio */
.portfolio{border-top:.5px solid var(--line);}
.port-hdr{display:flex;align-items:flex-end;justify-content:space-between;padding:72px 52px 32px;border-bottom:.5px solid var(--line);}
.port-filters{display:flex;gap:2px;flex-wrap:wrap;}
.fbtn{font-size:10px;letter-spacing:.1em;text-transform:uppercase;padding:8px 16px;border:.5px solid #ddd;background:none;color:#888;cursor:pointer;font-family:var(--sans);transition:all .15s;}
.fbtn.on,.fbtn:hover{background:var(--ink);color:#fff;border-color:var(--ink);}
.proj-tabs{display:grid;grid-template-columns:repeat(4,1fr);border-bottom:.5px solid var(--line);}
.proj-tab{padding:24px 22px;border-right:.5px solid var(--line);cursor:pointer;transition:background .15s;}
.proj-tab:last-child{border-right:none;}
.proj-tab:hover{background:#fafafa;}
.proj-tab.on{background:var(--ink);}
.proj-tab.on .pt-n,.proj-tab.on .pt-c,.proj-tab.on .pt-t{color:#fff!important;}
.pt-n{font-size:10px;letter-spacing:.1em;color:#bbb;margin-bottom:8px;}
.pt-c{font-size:9px;letter-spacing:.12em;text-transform:uppercase;color:#bbb;margin-bottom:6px;}
.pt-t{font-size:13px;font-weight:600;line-height:1.3;}
.pt-bar{height:.5px;background:#ccc;margin-top:14px;transform:scaleX(0);transform-origin:left;transition:transform .3s;}
.proj-tab.on .pt-bar{transform:scaleX(1);background:rgba(255,255,255,.4);}
.cs{display:none;padding:0 52px 80px;}
.cs.on{display:block;}
.cs-img{width:100%;height:420px;object-fit:cover;display:block;}
.cs-facts{display:grid;grid-template-columns:repeat(4,1fr);gap:.5px;background:#f0f0f0;border-bottom:.5px solid var(--line);}
.cf{padding:22px;background:#fff;}
.cf-v{font-size:clamp(20px,2.5vw,28px);font-weight:300;letter-spacing:-.02em;line-height:1;margin-bottom:7px;}
.cf-l{font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:#aaa;}
.cs-grid{display:grid;grid-template-columns:1fr 1fr;}
.cs-col{padding:38px 0;border-bottom:.5px solid var(--line);}
.cs-col.r{padding-left:38px;border-left:.5px solid var(--line);}
.cs-col.full{grid-column:1/-1;}
.cs-lbl{font-size:10px;letter-spacing:.2em;text-transform:uppercase;color:#bbb;margin-bottom:14px;}
.cs-txt{font-size:14px;line-height:1.85;color:#555;}
.cs-txt strong{color:var(--ink);font-weight:600;}
.phases{display:flex;position:relative;margin-top:18px;}
.phases::before{content:'';position:absolute;top:9px;left:0;right:0;height:.5px;background:var(--line);}
.ph{flex:1;position:relative;padding-top:24px;padding-right:14px;}
.ph-dot{width:7px;height:7px;border-radius:50%;background:var(--ink);position:absolute;top:5px;left:0;}
.ph-n{font-size:10px;letter-spacing:.08em;color:#bbb;margin-bottom:4px;}
.ph-t{font-size:12px;font-weight:600;line-height:1.3;margin-bottom:4px;}
.ph-d{font-size:11px;color:#aaa;}
.gal{display:grid;grid-template-columns:2fr 1fr 1fr;gap:2px;margin-top:18px;}
.gi{width:100%;aspect-ratio:4/3;object-fit:cover;display:block;}
.gi.t{aspect-ratio:unset;grid-row:span 2;}
.qt{font-size:clamp(16px,2vw,20px);font-style:italic;font-weight:300;line-height:1.5;margin-bottom:14px;}
.qa{font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:#bbb;}

/* BIMx */
.bimx{background:#f0ede6;border-top:.5px solid var(--line);display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center;padding:100px 52px;}
.bimx p{font-size:15px;line-height:1.8;color:#555;margin-bottom:28px;}
.bimx-btn{font-size:11px;letter-spacing:.1em;text-transform:uppercase;padding:11px 24px;border:.5px solid rgba(0,0,0,.25);background:none;color:var(--ink);cursor:pointer;font-family:var(--sans);transition:all .2s;}
.bimx-btn:hover{background:var(--ink);color:#fff;}
.bimx-vis{background:#111;aspect-ratio:4/3;border-radius:2px;position:relative;overflow:hidden;display:flex;align-items:center;justify-content:center;}
.bimx-play{width:58px;height:58px;border:.5px solid rgba(255,255,255,.4);border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;position:relative;z-index:1;transition:background .2s;}
.bimx-play:hover{background:rgba(255,255,255,.1);}

/* Clients marquee */
.clients{border-top:.5px solid var(--line);padding:72px 52px;}
.clients-overflow{overflow:hidden;margin-top:40px;position:relative;}
.clients-overflow::before,.clients-overflow::after{content:'';position:absolute;top:0;bottom:0;width:100px;z-index:2;pointer-events:none;}
.clients-overflow::before{left:0;background:linear-gradient(to right,#fff,transparent);}
.clients-overflow::after{right:0;background:linear-gradient(to left,#fff,transparent);}
.clients-track{display:flex;width:max-content;animation:marquee 30s linear infinite;}
.clients-track:hover{animation-play-state:paused;}
@keyframes marquee{from{transform:translateX(0);}to{transform:translateX(-50%);}}
.cl{flex:0 0 200px;height:112px;display:flex;align-items:center;justify-content:center;border-right:.5px solid var(--line);padding:0 32px;}
.cl img{max-height:48px;width:auto;max-width:140px;filter:grayscale(1);opacity:.5;transition:opacity .2s;}
.cl img:hover{opacity:.9;}

/* Contact */
.contact{border-top:.5px solid var(--line);display:grid;grid-template-columns:1fr 1fr;gap:80px;padding:100px 52px;}
.contact .sub{font-size:15px;color:#777;margin-top:8px;margin-bottom:36px;font-weight:300;}
.ci{display:flex;gap:18px;padding:16px 0;border-bottom:.5px solid var(--line);font-size:14px;color:#555;}
.ci-l{font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:#bbb;min-width:64px;padding-top:2px;}
.cform{display:flex;flex-direction:column;gap:18px;}
.cform input,.cform textarea{width:100%;padding:14px 0;border:none;border-bottom:.5px solid #ddd;background:none;font-size:14px;color:var(--ink);font-family:var(--sans);outline:none;transition:border-color .2s;}
.cform input:focus,.cform textarea:focus{border-bottom-color:var(--ink);}
.cform textarea{min-height:88px;resize:none;}
.csub{margin-top:8px;font-size:11px;letter-spacing:.12em;text-transform:uppercase;padding:14px 30px;background:var(--ink);color:#fff;border:none;cursor:pointer;font-family:var(--sans);align-self:flex-start;transition:background .2s;}
.csub:hover{background:#333;}

/* Footer */
footer{border-top:.5px solid var(--line);padding:40px 52px;display:flex;align-items:center;justify-content:space-between;}
.flogo{font-size:13px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;}
.flinks{display:flex;gap:28px;list-style:none;}
.flinks a{font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:#aaa;transition:color .2s;}
.flinks a:hover{color:var(--ink);}
.fcopy{font-size:11px;color:#bbb;}

/* ── Video Modal ── */
.vmodal{
  display:none;position:fixed;inset:0;z-index:2000;
  background:rgba(0,0,0,.88);
  align-items:center;justify-content:center;
  backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);
  animation:fadeIn .25s ease;
}
.vmodal.open{display:flex;}
@keyframes fadeIn{from{opacity:0;}to{opacity:1;}}
.vmodal-close{
  position:absolute;top:20px;right:28px;
  background:none;border:none;color:#fff;
  font-size:32px;cursor:pointer;line-height:1;
  opacity:.6;transition:opacity .2s;
}
.vmodal-close:hover{opacity:1;}
.vmodal-inner{width:min(900px,92vw);}
.vmodal-ratio{position:relative;padding-top:56.25%;}
.vmodal-ratio iframe{
  position:absolute;inset:0;width:100%;height:100%;border:none;
}

/* ── RESPONSIVE ── */
@media(max-width:900px){
  .nav{padding:0 24px;height:60px;}
  .nav-links,.nav-cta{display:none;}
  .nav-burger{display:flex;}
  .studio,.bimx,.contact{grid-template-columns:1fr;gap:48px;padding-left:28px;padding-right:28px;}
  section,.sec-wrap,.clients{padding-left:28px;padding-right:28px;}
  .port-hdr{padding:56px 28px 24px;flex-direction:column;align-items:flex-start;gap:20px;}
  .cs{padding:0 28px 56px;}
  .svc-grid{grid-template-columns:1fr;}
  .svc-card{border-right:none;border-bottom:.5px solid rgba(255,255,255,.08);}
  .svc-card:last-child{border-bottom:none;}
  .stats{grid-template-columns:1fr 1fr;}
  .stat:last-child{grid-column:1/-1;border-right:none;border-top:.5px solid var(--line);}
  .cs-facts{grid-template-columns:1fr 1fr;}
  .cs-grid{grid-template-columns:1fr;}
  .cs-col.r{padding-left:0;border-left:none;border-top:.5px solid var(--line);}
  .gal{grid-template-columns:1fr 1fr;}
  .gi.t{aspect-ratio:4/3;grid-row:unset;grid-column:1/-1;}
  .proj-tabs{grid-template-columns:1fr 1fr;}
  .proj-tabs .proj-tab:nth-child(2n){border-right:none;}
  .proj-tabs .proj-tab:nth-child(n+3){border-top:.5px solid var(--line);}
  footer{flex-direction:column;gap:20px;text-align:center;padding:32px 28px;}
  .cl{flex:0 0 160px;height:90px;}
}
@media(max-width:560px){
  .hero-h1{font-size:38px;}
  .stats{grid-template-columns:1fr;}
  .stat{border-right:none;border-bottom:.5px solid var(--line);padding:44px 28px;}
  .stat:last-child{border-bottom:none;}
  .vals{grid-template-columns:1fr;}
  .val{border-right:none;border-bottom:.5px solid var(--line);padding:26px 0;}
  .gal{grid-template-columns:1fr;}
  .gi.t{grid-column:unset;}
  .phases{flex-direction:column;gap:18px;}
  .phases::before{display:none;}
  .ph{padding-top:0;padding-left:22px;}
  .ph-dot{top:2px;}
  section,.sec-wrap{padding-top:68px;padding-bottom:68px;}
}