:root{
  --bg:#100d0a; --surface:#191410; --surface2:#211a14;
  --gold:#c08a3e; --gold-soft:#dcae62;
  --text:#f0e9df; --muted:#a89a88; --line:#2c2419;
  --ease:cubic-bezier(.16,1,.3,1);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'DM Sans',sans-serif;background:var(--bg);color:var(--text);line-height:1.6;overflow-x:hidden;-webkit-font-smoothing:antialiased}
h1,h2,h3,.brand,.foot-brand{font-family:'Oswald',sans-serif;font-weight:700;text-transform:uppercase;line-height:.98;letter-spacing:.01em}
img{max-width:100%;display:block}
.eyebrow{color:var(--gold);font-size:.72rem;letter-spacing:.24em;text-transform:uppercase;font-weight:600}

.grain{position:fixed;inset:0;z-index:90;pointer-events:none;opacity:.05;mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}

.btn{display:inline-block;padding:.9rem 1.7rem;border-radius:2px;font-weight:600;font-size:.9rem;text-decoration:none;
  transition:transform .25s var(--ease),background .25s var(--ease),color .25s var(--ease),border-color .25s var(--ease)}
.btn:active{transform:translateY(1px) scale(.99)}
.btn-gold{background:var(--gold);color:#160f04}
.btn-gold:hover{background:var(--gold-soft);transform:translateY(-2px)}
.btn-line{border:1px solid var(--line);color:var(--text)}
.btn-line:hover{border-color:var(--gold);color:var(--gold-soft);transform:translateY(-2px)}

.nav{position:sticky;top:0;z-index:60;display:flex;align-items:center;justify-content:space-between;height:70px;
  padding:0 6vw;background:rgba(16,13,10,.82);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.brand{font-size:1.3rem;color:var(--text);text-decoration:none;letter-spacing:.05em}
.nav-links{display:flex;gap:2.2rem}
.nav-links a{color:var(--muted);text-decoration:none;font-size:.88rem;transition:color .2s var(--ease)}
.nav-links a:hover{color:var(--gold-soft)}
.nav-cta{padding:.55rem 1.25rem}

.hero{min-height:100dvh;display:flex;align-items:center;padding:0 6vw;overflow:hidden}
.hero-media{position:absolute;inset:0;z-index:0}
.hero-zoom{position:absolute;inset:-4%;background-size:cover;background-position:center;filter:grayscale(.15) sepia(.15) contrast(1.05);
  animation:kenburns 22s var(--ease) infinite alternate}
@keyframes kenburns{from{transform:scale(1)}to{transform:scale(1.09)}}
.hero-scrim{position:absolute;inset:0;z-index:1;
  background:linear-gradient(90deg,rgba(14,11,8,.96) 0%,rgba(14,11,8,.72) 44%,rgba(14,11,8,.3) 100%)}
.hero-inner{position:relative;z-index:2;max-width:620px}
.chip{display:inline-block;background:rgba(192,138,62,.1);border:1px solid var(--gold);color:var(--gold-soft);
  padding:.4rem 1rem;border-radius:2px;font-size:.76rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase}
.hero h1{font-size:clamp(3.2rem,9.5vw,6.6rem);margin:1.5rem 0 1.1rem}
.lead{color:var(--muted);font-size:1.12rem;max-width:440px;margin-bottom:2.1rem}
.hero-cta{display:flex;gap:1rem;flex-wrap:wrap}

.marquee{overflow:hidden;background:var(--gold);color:#160f04;padding:.85rem 0;white-space:nowrap}
.marquee-track{display:inline-flex;align-items:center;gap:2rem;animation:scroll 26s linear infinite;font-weight:600;
  text-transform:uppercase;letter-spacing:.08em;font-size:.92rem;font-family:'Oswald',sans-serif}
.marquee-track i{font-style:normal;opacity:.55}
@keyframes scroll{from{transform:translateX(0)}to{transform:translateX(-50%)}}

.sec-head{margin-bottom:3.2rem}
.sec-head.center{text-align:center}
.sec-head h2{font-size:clamp(2.4rem,6vw,3.8rem);margin-top:.5rem}

.servicios{padding:7rem 6vw}
.serv-bento{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}
.serv{background:var(--surface);border:1px solid var(--line);border-radius:4px;padding:2rem 1.7rem;
  transition:transform .3s var(--ease),border-color .3s var(--ease),background .3s var(--ease)}
.serv:hover{border-color:var(--gold);transform:translateY(-5px);background:var(--surface2)}
.serv-idx{font-family:'Oswald',sans-serif;color:var(--gold-soft);font-size:1rem;letter-spacing:.05em;font-weight:600}
.serv h3{font-size:1.5rem;margin:.7rem 0 .5rem}
.serv p{color:var(--muted);font-size:.94rem}
.serv.feat{grid-row:span 2;display:flex;flex-direction:column;justify-content:flex-end;
  background:linear-gradient(180deg,rgba(25,20,16,.4),var(--surface)),radial-gradient(120% 80% at 100% 0,rgba(192,138,62,.16),transparent 60%);
  border-color:rgba(192,138,62,.35)}
.serv.feat h3{font-size:2.3rem}
.serv.feat p{font-size:1.02rem;max-width:34ch}

.estudio{display:grid;grid-template-columns:1.05fr 1fr;background:var(--surface)}
.est-media{overflow:hidden;min-height:520px}
.est-img{width:100%;height:100%;background-size:cover;background-position:center;filter:grayscale(.15) sepia(.12);
  transform:scale(1.06);transition:transform 1.1s var(--ease)}
.est-media.in .est-img{transform:scale(1)}
.est-text{padding:5.5rem 5vw;display:flex;flex-direction:column;justify-content:center;gap:1.15rem;align-items:flex-start}
.est-text h2{font-size:clamp(2.1rem,4.6vw,3.4rem)}
.est-text p{color:var(--muted)}
.est-text .btn{margin-top:.9rem}

.galeria{padding:7rem 6vw}
.gal-grid{display:grid;grid-template-columns:repeat(3,1fr);grid-auto-rows:240px;gap:.9rem}
.gal-grid img{width:100%;height:100%;object-fit:cover;border-radius:4px;filter:grayscale(.15) sepia(.1);
  transition:filter .4s var(--ease),transform .4s var(--ease)}
.gal-grid img.tall{grid-row:span 2}
.gal-grid img:hover{filter:grayscale(0) sepia(0);transform:scale(1.015)}

.resenas{padding:7rem 6vw;display:grid;grid-template-columns:1.4fr 1fr;gap:2rem;align-items:center}
.res-lead blockquote{font-family:'Oswald',sans-serif;font-weight:500;text-transform:none;font-size:clamp(1.6rem,3vw,2.4rem);
  line-height:1.2;letter-spacing:.01em}
.res-lead cite{display:block;margin-top:1.3rem;color:var(--muted);font-style:normal;font-size:.85rem;letter-spacing:.1em;text-transform:uppercase}
.res-small{display:flex;flex-direction:column;gap:1rem}
.res-small blockquote{background:var(--surface);border:1px solid var(--line);border-left:2px solid var(--gold);
  padding:1.4rem 1.5rem;color:var(--text);font-style:italic;font-size:.98rem;border-radius:0 4px 4px 0}

.contacto{display:grid;grid-template-columns:1fr 1fr}
.cont-info{padding:5.5rem 5vw;display:flex;flex-direction:column;gap:1rem;align-items:flex-start;justify-content:center}
.cont-info h2{font-size:clamp(2.1rem,4.6vw,3.4rem)}
.cont-line{color:var(--muted);font-size:.98rem}
.cont-info .btn{margin-top:1.1rem}
.cont-map{min-height:440px}
.cont-map iframe{width:100%;height:100%;border:0;filter:grayscale(.5) invert(.92) contrast(.85) sepia(.15)}

.footer{text-align:center;padding:4rem 6vw;border-top:1px solid var(--line)}
.foot-brand{font-size:2rem;color:var(--gold-soft);letter-spacing:.04em}
.footer p{color:var(--muted);font-size:.9rem;margin-top:.6rem}
.foot-altus{color:#5c5344;font-size:.8rem;margin-top:1.3rem;letter-spacing:.05em}

.reveal{opacity:0;transform:translateY(26px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.reveal.in{opacity:1;transform:none}

@media(max-width:860px){
  .nav-links{display:none}
  .serv-bento{grid-template-columns:1fr 1fr}
  .serv.feat{grid-row:span 1;grid-column:span 2}
  .estudio,.contacto,.resenas{grid-template-columns:1fr}
  .est-media{min-height:320px;order:-1}
  .gal-grid{grid-template-columns:1fr 1fr;grid-auto-rows:200px}
  .cont-map{min-height:320px}
}
@media(max-width:520px){
  .serv-bento{grid-template-columns:1fr}
  .serv.feat{grid-column:span 1}
}

@media(prefers-reduced-motion:reduce){
  .hero-zoom,.marquee-track{animation:none}
  .reveal{opacity:1;transform:none;transition:none}
  .est-img{transform:scale(1)}
  *{scroll-behavior:auto}
}