:root{
  --naranja:#F4900C;
  --amarillo:#FFC400;
  --carbon:#161616;
  --carbon-2:#1f1f1f;
  --concreto:#8d8d86;
  --hueso:#f4efe6;
  --rojo:#e63946;
  --verde:#3a6b35;
  --font: 'Barlow Condensed', 'Arial Narrow', sans-serif;
  --font-body:'Barlow', Arial, sans-serif;
}

*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  font-family:var(--font-body);
  background:var(--hueso);
  color:var(--carbon);
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
h1,h2,h3{font-family:var(--font);letter-spacing:.5px;text-transform:uppercase;}
a{color:inherit;text-decoration:none;}
.stripe{
  background-repeat:repeat-x;
  background-size:40px 40px;
  background-image:repeating-linear-gradient(135deg,var(--amarillo) 0 10px,var(--carbon) 10px 20px);
  height:10px;width:100%;
}

/* ---------- PRELOADER ---------- */
#preloader{
  position:fixed;inset:0;z-index:9999;
  background:var(--carbon);
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  transition:opacity .6s ease, visibility .6s ease;
}
#preloader.hide{opacity:0;visibility:hidden;pointer-events:none;}
.loader-icon{font-size:4rem;animation:spin-swing 1.1s infinite ease-in-out;}
@keyframes spin-swing{
  0%{transform:rotate(-18deg) translateY(0);}
  50%{transform:rotate(18deg) translateY(-6px);}
  100%{transform:rotate(-18deg) translateY(0);}
}
.loader-text{
  color:var(--amarillo);font-family:var(--font);font-size:1.4rem;letter-spacing:3px;
  margin-top:1rem;text-transform:uppercase;
}
.loader-bar-track{
  width:220px;height:6px;background:#333;border-radius:4px;margin-top:1.2rem;overflow:hidden;
}
.loader-bar-fill{
  height:100%;width:0%;background:linear-gradient(90deg,var(--naranja),var(--amarillo));
  transition:width .25s ease;
}

/* ---------- NAV ---------- */
header{
  position:fixed;top:0;left:0;width:100%;z-index:500;
  background:rgba(22,22,22,.92);backdrop-filter:blur(4px);
  border-bottom:3px solid var(--amarillo);
  transition:transform .4s ease;
}
header.nav-hidden{transform:translateY(-100%);}
.nav-wrap{
  max-width:1200px;margin:0 auto;padding:.8rem 1.5rem;
  display:flex;align-items:center;justify-content:space-between;
}
.logo{
  color:var(--hueso);font-family:var(--font);font-size:1.5rem;font-weight:700;
  display:flex;align-items:center;gap:.5rem;
}
.logo span{color:var(--amarillo);}
nav ul{list-style:none;display:flex;gap:1.8rem;}
nav a{
  color:var(--hueso);font-family:var(--font);font-size:1.05rem;letter-spacing:1px;
  text-transform:uppercase;position:relative;padding-bottom:4px;
}
nav a::after{
  content:"";position:absolute;bottom:0;left:0;width:0;height:2px;background:var(--amarillo);
  transition:width .3s ease;
}
nav a:hover::after{width:100%;}
#menuBtn{display:none;background:none;border:none;color:var(--amarillo);font-size:1.8rem;cursor:pointer;}

/* ---------- HERO ---------- */
.hero{
  position:relative;height:100vh;min-height:560px;
  display:flex;align-items:center;justify-content:center;
  overflow:hidden;
}
.hero-bg{
  position:absolute;inset:0;z-index:1;
}
.hero-bg img{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  opacity:0;animation:kenburns 18s infinite;
}
.hero-bg img:nth-child(1){animation-delay:0s;}
.hero-bg img:nth-child(2){animation-delay:6s;}
.hero-bg img:nth-child(3){animation-delay:12s;}
@keyframes kenburns{
  0%{opacity:0;transform:scale(1);}
  4%{opacity:1;}
  30%{opacity:1;transform:scale(1.12);}
  34%{opacity:0;}
  100%{opacity:0;}
}
.hero::before{
  content:"";position:absolute;inset:0;z-index:2;
  background:linear-gradient(180deg,rgba(15,15,15,.55) 0%,rgba(15,15,15,.75) 60%,rgba(15,15,15,.95) 100%);
}
.hero-content{
  position:relative;z-index:3;text-align:center;color:var(--hueso);padding:0 1rem;
}
.hero-eyebrow{
  color:var(--amarillo);letter-spacing:4px;font-family:var(--font);font-size:1rem;
  display:flex;align-items:center;justify-content:center;gap:.6rem;margin-bottom:.8rem;
}
.hero h1{
  font-size:clamp(2.6rem,7vw,5.2rem);line-height:1;
  text-shadow:0 8px 30px rgba(0,0,0,.6);
}
.hero h1 .accent{color:var(--naranja);}
.hero p.sub{
  font-size:1.2rem;max-width:640px;margin:1.2rem auto 2rem;color:#ddd;
}
.hero-icons{
  display:flex;justify-content:center;gap:1.3rem;font-size:1.8rem;margin-bottom:1.6rem;
  animation:floaty 3s ease-in-out infinite;
}
@keyframes floaty{0%,100%{transform:translateY(0);}50%{transform:translateY(-8px);}}
.btn-row{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap;}
.btn{
  display:inline-flex;align-items:center;gap:.5rem;padding:.9rem 1.8rem;
  font-family:var(--font);font-size:1.1rem;letter-spacing:1px;text-transform:uppercase;
  border-radius:4px;border:2px solid transparent;transition:transform .25s ease,box-shadow .25s ease;
}
.btn:hover{transform:translateY(-3px);}
.btn-solid{background:var(--naranja);color:#1a1a1a;box-shadow:0 6px 18px rgba(244,144,12,.4);}
.btn-solid:hover{box-shadow:0 10px 26px rgba(244,144,12,.55);}
.btn-outline{border-color:var(--hueso);color:var(--hueso);}
.btn-outline:hover{background:var(--hueso);color:var(--carbon);}
.scroll-cue{
  position:absolute;bottom:26px;left:50%;transform:translateX(-50%);z-index:3;
  color:var(--amarillo);font-size:1.6rem;animation:bounce 1.8s infinite;
}
@keyframes bounce{0%,100%{transform:translate(-50%,0);}50%{transform:translate(-50%,10px);}}

/* ---------- SECTION GENERIC ---------- */
section{padding:5rem 1.5rem;}
.section-inner{max-width:1200px;margin:0 auto;}
.section-head{text-align:center;margin-bottom:3rem;}
.section-head .tag{
  color:var(--naranja);font-family:var(--font);letter-spacing:3px;font-size:1rem;
}
.section-head h2{font-size:clamp(1.9rem,4vw,3rem);margin-top:.4rem;}
.section-head h2 span{color:var(--naranja);}

/* reveal on scroll */
.reveal{opacity:0;transition:opacity .8s ease, transform .8s ease;}
.reveal-left{transform:translateX(-90px);}
.reveal-right{transform:translateX(90px);}
.reveal-up{transform:translateY(60px);}
.reveal.in{opacity:1;transform:translate(0,0);}

/* ---------- SERVICIOS ---------- */
#servicios{background:var(--carbon);color:var(--hueso);}
#servicios .section-head .tag{color:var(--amarillo);}
.grid-servicios{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:1.6rem;
}
.card{
  background:var(--carbon-2);border:1px solid #333;border-radius:10px;padding:2rem 1.4rem;
  text-align:center;transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.card:hover{transform:translateY(-8px);border-color:var(--amarillo);box-shadow:0 16px 30px rgba(0,0,0,.4);}
.card .ico{
  font-size:2.6rem;display:inline-block;margin-bottom:1rem;
  transition:transform .3s ease;
}
.card:hover .ico{transform:rotate(-8deg) scale(1.15);}
.card h3{font-size:1.25rem;margin-bottom:.6rem;color:var(--amarillo);}
.card p{color:#c9c9c9;font-size:.95rem;line-height:1.5;}

/* ---------- SOBRE / STATS ---------- */
#sobre{background:var(--hueso);}
.sobre-wrap{
  display:grid;grid-template-columns:1.1fr .9fr;gap:3rem;align-items:center;
}
.sobre-wrap p{font-size:1.05rem;line-height:1.7;color:#333;margin-bottom:1rem;}
.stats{display:grid;grid-template-columns:repeat(2,1fr);gap:1.4rem;margin-top:1.5rem;}
.stat{
  background:#fff;border:2px solid var(--carbon);border-radius:10px;padding:1.4rem 1rem;text-align:center;
  box-shadow:6px 6px 0 var(--amarillo);
}
.stat .num{font-family:var(--font);font-size:2.4rem;color:var(--naranja);}
.stat .lbl{font-size:.85rem;text-transform:uppercase;letter-spacing:1px;color:#444;}
.sobre-photo{position:relative;border-radius:10px;overflow:hidden;box-shadow:0 20px 40px rgba(0,0,0,.25);}
.sobre-photo::after{
  content:"";position:absolute;inset:0;
  border:6px solid var(--amarillo);border-radius:10px;
}

/* ---------- GALERIA ---------- */
#galeria{background:var(--carbon);color:var(--hueso);}
.gal-grid{
  display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:.9rem;
}
.gal-item{
  position:relative;overflow:hidden;border-radius:8px;aspect-ratio:4/3;cursor:pointer;
  border:2px solid #2b2b2b;
}
.gal-item img{
  width:100%;height:100%;object-fit:cover;transition:transform .5s ease,filter .5s ease;
  filter:grayscale(15%);
}
.gal-item:hover img{transform:scale(1.12);filter:grayscale(0%);}
.gal-item::before{
  content:"🔍";position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  font-size:1.8rem;background:rgba(244,144,12,0);color:transparent;transition:all .3s ease;
}
.gal-item:hover::before{background:rgba(20,20,20,.35);color:var(--amarillo);}

/* lightbox */
#lightbox{
  position:fixed;inset:0;background:rgba(10,10,10,.94);z-index:2000;
  display:none;align-items:center;justify-content:center;padding:2rem;
}
#lightbox.open{display:flex;}
#lightbox img{max-width:90vw;max-height:82vh;border-radius:6px;box-shadow:0 20px 60px rgba(0,0,0,.6);}
#lightbox .lb-close, #lightbox .lb-prev, #lightbox .lb-next{
  position:absolute;color:var(--amarillo);font-size:2rem;cursor:pointer;user-select:none;
  background:rgba(0,0,0,.4);width:52px;height:52px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;transition:background .2s ease;
}
#lightbox .lb-close:hover,#lightbox .lb-prev:hover,#lightbox .lb-next:hover{background:rgba(244,144,12,.5);}
#lightbox .lb-close{top:24px;right:24px;}
#lightbox .lb-prev{left:24px;top:50%;transform:translateY(-50%);}
#lightbox .lb-next{right:24px;top:50%;transform:translateY(-50%);}

/* ---------- CONTACTO ---------- */
#contacto{
  background:linear-gradient(135deg,var(--naranja),var(--amarillo));color:var(--carbon);
  text-align:center;
}
#contacto h2{font-size:clamp(1.8rem,4vw,2.8rem);}
#contacto p{max-width:560px;margin:1rem auto 2rem;font-size:1.1rem;}
.contact-icons{display:flex;justify-content:center;gap:2.2rem;margin:2rem 0;flex-wrap:wrap;}
.contact-icons a{
  display:flex;flex-direction:column;align-items:center;gap:.4rem;font-family:var(--font);
  font-size:.95rem;letter-spacing:1px;text-transform:uppercase;
}
.contact-icons .ico-circle{
  width:64px;height:64px;border-radius:50%;background:var(--carbon);color:var(--amarillo);
  display:flex;align-items:center;justify-content:center;font-size:1.7rem;
  transition:transform .3s ease;
}
.contact-icons a:hover .ico-circle{transform:translateY(-6px) rotate(8deg);}

/* ---------- FOOTER ---------- */
footer{
  background:var(--carbon);color:#999;text-align:center;padding:2rem 1rem 1.4rem;font-size:.9rem;
}
footer .logo{justify-content:center;margin-bottom:.6rem;}

/* WhatsApp floating button */
.fab-wa{
  position:fixed;bottom:22px;right:22px;z-index:900;
  width:60px;height:60px;border-radius:50%;background:#25D366;color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:1.8rem;
  box-shadow:0 8px 20px rgba(0,0,0,.35);
  animation:pulse-wa 2.4s infinite;
}
@keyframes pulse-wa{
  0%{box-shadow:0 0 0 0 rgba(37,211,102,.6);}
  70%{box-shadow:0 0 0 16px rgba(37,211,102,0);}
  100%{box-shadow:0 0 0 0 rgba(37,211,102,0);}
}

@media(max-width:860px){
  .sobre-wrap{grid-template-columns:1fr;}
  nav ul{
    position:fixed;top:64px;right:0;background:var(--carbon);flex-direction:column;
    width:220px;padding:1.4rem;gap:1.2rem;
    transform:translateX(100%);transition:transform .35s ease;border-left:3px solid var(--amarillo);
  }
  nav ul.open{transform:translateX(0);}
  #menuBtn{display:block;}
}