:root{
  --negro:#111111;
  --naranja:#F26A11;
  --gris:#D9D9D9;
  --blanco:#FFFFFF;
  --azul:#0078B7;
  --grafito:#1c1c1c;
  --beige:#EDE7DA;
  --font-display:'Zalando Sans',system-ui,sans-serif;
  --font-serif:'Libre Caslon Text',Georgia,serif;
  --radius:2px;
  --transition:0.35s cubic-bezier(.4,0,.2,1);
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-display);
  color:var(--negro);
  background:var(--blanco);
  overflow-x:hidden;
  line-height:1.6;
}
img{max-width:100%;display:block;}
a{text-decoration:none;color:inherit;}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--naranja);color:#fff;padding:.6rem 1rem;z-index:2000;}
.skip-link:focus{left:0;}

h1,h2,h3,h4{font-family:var(--font-display);font-weight:700;letter-spacing:-0.01em;margin:0;}

/* ===== TOPBAR ===== */
.topbar{background:var(--negro);color:var(--gris);font-size:.8rem;padding:.45rem 0;}
.topbar-item{color:var(--gris);display:inline-flex;align-items:center;gap:.4rem;}
.topbar-item:hover{color:var(--naranja);}

/* ===== NAVBAR ===== */
#navbar{
  top:34px;
  background:rgba(17,17,17,0.0);
  padding:1.1rem 0;
  transition:var(--transition);
  z-index:1100;
}
#navbar.scrolled{
  top:0;
  background:rgba(17,17,17,0.96);
  backdrop-filter:blur(8px);
  padding:.65rem 0;
  box-shadow:0 6px 24px rgba(0,0,0,.25);
}
.navbar-brand{display:flex;align-items:center;gap:.6rem;}
.brand-mark{width:38px;height:38px;flex-shrink:0;}
.brand-ring{fill:none;stroke:var(--naranja);stroke-width:4;}
.brand-bars rect{fill:var(--blanco);}
.brand-text{font-family:var(--font-display);font-weight:800;font-size:1.05rem;letter-spacing:.02em;color:var(--blanco);line-height:1;display:flex;flex-direction:column;}
.brand-text strong{color:var(--naranja);font-weight:800;}
.brand-text small{font-family:var(--font-serif);font-weight:400;font-style:italic;font-size:.6rem;letter-spacing:.08em;color:var(--gris);text-transform:uppercase;}
.navbar-toggler{border:none;color:var(--blanco);font-size:1.4rem;background:transparent;}
.navbar-toggler:focus{box-shadow:none;}
.nav-link{color:var(--gris)!important;font-weight:600;font-size:.92rem;padding:.5rem 1rem!important;position:relative;}
.nav-link:hover{color:var(--blanco)!important;}
.nav-link::after{content:'';position:absolute;left:1rem;right:1rem;bottom:.25rem;height:2px;background:var(--naranja);transform:scaleX(0);transition:transform .3s;}
.nav-link:hover::after{transform:scaleX(1);}
@media (max-width:991.98px){
  #mainNav{background:var(--negro);margin-top:1rem;padding:1rem;border-radius:var(--radius);}
}

.btn-cta{
  background:var(--naranja);
  color:#fff;
  border:none;
  font-weight:700;
  padding:.65rem 1.4rem;
  border-radius:var(--radius);
  display:inline-flex;
  align-items:center;
  gap:.5rem;
  transition:var(--transition);
}
.btn-cta:hover{background:#d65b09;color:#fff;transform:translateY(-2px);}
.btn-outline-light{border:1.5px solid rgba(255,255,255,.5);color:#fff;border-radius:var(--radius);font-weight:600;}
.btn-outline-light:hover{background:#fff;color:var(--negro);}
.btn-outline-dark{border:1.5px solid var(--negro);color:var(--negro);border-radius:var(--radius);font-weight:600;}
.btn-outline-dark:hover{background:var(--negro);color:#fff;}

/* ===== HERO ===== */
.hero{
  position:relative;
  background:var(--negro); /* color de respaldo mientras no hay imagen cargada */
  color:#fff;
  min-height:100vh;
  display:flex;
  align-items:center;
  padding:9rem 0 6rem;
  overflow:hidden;
}
.hero-bg{
  position:absolute;
  inset:0;
  background-size:cover;
  background-position:center;
  background-repeat:no-repeat;
  z-index:0;
}
.hero-overlay{
  position:absolute;
  inset:0;
  background:linear-gradient(180deg, rgba(17,17,17,.75) 0%, rgba(17,17,17,.85) 55%, rgba(17,17,17,.95) 100%);
  z-index:1;
}
.hero-texture{
  position:absolute;inset:0;
  background-image:
    repeating-linear-gradient(115deg, rgba(242,106,17,.07) 0 2px, transparent 2px 60px);
  opacity:.5;
  z-index:1;
}
.hero-content{position:relative;z-index:2;width:100%;}
.eyebrow{
  display:inline-flex;align-items:center;gap:.5rem;
  color:var(--naranja);font-weight:700;text-transform:uppercase;
  font-size:.78rem;letter-spacing:.08em;margin-bottom:1.2rem;
}
.hero-title{
  font-size:clamp(2.6rem,5.6vw,4.4rem);
  line-height:1.05;
  margin-bottom:1.4rem;
}
.hero-title em{
  font-family:var(--font-serif);font-style:italic;font-weight:400;color:var(--naranja);
}
.hero-lead{
  font-size:1.15rem;color:var(--gris);max-width:560px;margin-bottom:2rem;
}
.hero-actions{display:flex;gap:1rem;flex-wrap:wrap;margin-bottom:3rem;}
.hero-stats{display:flex;gap:2.5rem;flex-wrap:wrap;}
.stat{display:flex;flex-direction:column;}
.stat-number{font-size:2.4rem;font-weight:800;color:#fff;display:inline;}
.stat-suffix{font-size:2.4rem;font-weight:800;color:var(--naranja);}
.stat-label{font-size:.82rem;color:var(--gris);text-transform:uppercase;letter-spacing:.05em;margin-top:.2rem;}

.hero-card{
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.12);
  border-radius:var(--radius);
  padding:2.2rem;
  backdrop-filter:blur(6px);
}
.hero-card-top{display:flex;align-items:center;gap:.7rem;font-weight:700;color:var(--naranja);margin-bottom:1.4rem;font-size:1.05rem;}
.hero-card-top i{font-size:1.5rem;}
.hero-card-list{list-style:none;padding:0;margin:0 0 1.6rem;}
.hero-card-list li{display:flex;gap:.7rem;align-items:flex-start;margin-bottom:.85rem;color:var(--gris);font-size:.95rem;}
.hero-card-list i{color:var(--naranja);margin-top:.2rem;}
.hero-card-link{color:#fff;font-weight:700;display:inline-flex;align-items:center;gap:.5rem;border-bottom:1px solid var(--naranja);padding-bottom:.2rem;}
.hero-card-link:hover{color:var(--naranja);}

.scroll-cue{
  position:absolute;bottom:1.6rem;left:50%;transform:translateX(-50%);
  color:var(--gris);font-size:1.2rem;animation:bounce 2s infinite;z-index:2;
}
@keyframes bounce{0%,100%{transform:translate(-50%,0);}50%{transform:translate(-50%,8px);}}

@media (max-width:991.98px){
  .hero{min-height:auto;padding:9rem 0 5rem;}
}

/* ===== SECTIONS ===== */
.section{padding:6.5rem 0;}
.section-light{background:#fff;}
.section-dark{background:var(--negro);color:#fff;}
.section-dark .section-subtitle{color:var(--gris);}
.section-accent{background:var(--beige);}
.section-contact{background:var(--negro);color:#fff;}
.section-head{max-width:680px;margin:0 auto 3.2rem;}
.section-eyebrow{
  display:inline-block;color:var(--naranja);font-weight:700;text-transform:uppercase;
  font-size:.78rem;letter-spacing:.08em;margin-bottom:.8rem;
}
.section-title{font-size:clamp(1.9rem,3.2vw,2.6rem);margin-bottom:1rem;}
.section-subtitle{color:#555;font-size:1.05rem;}

.value-pills{display:flex;gap:.7rem;flex-wrap:wrap;margin-top:1.6rem;}
.pill{
  display:inline-flex;align-items:center;gap:.5rem;
  background:var(--beige);color:var(--negro);font-weight:600;font-size:.85rem;
  padding:.5rem 1rem;border-radius:30px;
}
.pill i{color:var(--naranja);}

/* timeline */
.timeline{border-left:2px solid var(--gris);padding-left:2rem;display:flex;flex-direction:column;gap:2.2rem;}
.timeline-item{position:relative;}
.timeline-dot{position:absolute;left:-2.55rem;top:.2rem;width:14px;height:14px;border-radius:50%;background:var(--naranja);border:3px solid #fff;box-shadow:0 0 0 2px var(--naranja);}
.timeline-item h3{font-size:1.15rem;margin-bottom:.4rem;}
.timeline-item p{color:#555;margin:0;}

/* services */
.service-card{
  background:#181818;border:1px solid #262626;border-radius:var(--radius);
  padding:2.2rem 1.8rem;height:100%;transition:var(--transition);
}
.service-card:hover{transform:translateY(-6px);border-color:var(--naranja);}
.service-icon{
  width:54px;height:54px;border-radius:50%;background:rgba(242,106,17,.12);
  color:var(--naranja);display:flex;align-items:center;justify-content:center;font-size:1.4rem;margin-bottom:1.2rem;
}
.service-card h3{color:#fff;font-size:1.15rem;margin-bottom:.6rem;}
.service-card p{color:#aaa;font-size:.92rem;margin:0;}

/* process */
.process-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:2rem;}
.process-step{position:relative;padding:1.6rem 1.4rem 1.6rem 0;border-top:2px solid var(--negro);}
.process-number{font-family:var(--font-serif);font-size:1.8rem;color:var(--naranja);font-style:italic;display:block;margin-bottom:.6rem;}
.process-step h3{font-size:1.1rem;margin-bottom:.5rem;}
.process-step p{color:#555;margin:0;font-size:.92rem;}
@media (max-width:767.98px){.process-grid{grid-template-columns:1fr;}}

/* diferenciales */
.diff-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1.4rem;}
.diff-card{background:#fff;border-radius:var(--radius);padding:1.8rem;box-shadow:0 10px 30px rgba(0,0,0,.06);}
.diff-card i{color:var(--naranja);font-size:1.5rem;margin-bottom:.8rem;}
.diff-card h3{font-size:1.05rem;margin-bottom:.5rem;}
.diff-card p{color:#555;font-size:.88rem;margin:0;}
@media (max-width:575.98px){.diff-grid{grid-template-columns:1fr;}}

/* gallery */
.gallery-filters{display:flex;gap:.7rem;justify-content:center;margin-bottom:2.4rem;flex-wrap:wrap;}
.filter-btn{
  background:transparent;border:1px solid #383838;color:var(--gris);
  padding:.5rem 1.3rem;border-radius:30px;font-weight:600;font-size:.85rem;cursor:pointer;transition:var(--transition);
}
.filter-btn.active,.filter-btn:hover{background:var(--naranja);border-color:var(--naranja);color:#fff;}
.gallery-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.1rem;}
.gallery-item{
  position:relative;border:none;padding:0;cursor:pointer;border-radius:var(--radius);overflow:hidden;
  aspect-ratio:4/3;background:#000;
}
.gallery-item img{width:100%;height:100%;object-fit:cover;transition:transform .5s;}
.gallery-item:hover img{transform:scale(1.06);}
.gallery-overlay{
  position:absolute;inset:0;background:rgba(17,17,17,.45);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:1.6rem;opacity:0;transition:var(--transition);
}
.gallery-item:hover .gallery-overlay{opacity:1;}
.gallery-item.hidden{display:none;}
@media (max-width:767.98px){.gallery-grid{grid-template-columns:repeat(2,1fr);}}
@media (max-width:480px){.gallery-grid{grid-template-columns:1fr;}}

/* lightbox */
.lightbox{
  position:fixed;inset:0;background:rgba(8,8,8,.95);z-index:2000;
  display:flex;align-items:center;justify-content:center;padding:2rem;
}
.lightbox[hidden]{display:none;}
.lightbox-stage{max-width:90vw;max-height:85vh;text-align:center;}
.lightbox-stage img{max-width:100%;max-height:75vh;object-fit:contain;margin:0 auto;border-radius:var(--radius);}
.lightbox-caption{color:#ddd;margin-top:1rem;font-size:.95rem;}
.lightbox-close{position:absolute;top:1.5rem;right:1.5rem;background:transparent;border:none;color:#fff;font-size:1.8rem;cursor:pointer;}
.lightbox-arrow{
  position:absolute;top:50%;transform:translateY(-50%);background:rgba(255,255,255,.08);border:none;color:#fff;
  width:52px;height:52px;border-radius:50%;font-size:1.2rem;cursor:pointer;transition:var(--transition);
}
.lightbox-arrow:hover{background:var(--naranja);}
.lightbox-prev{left:1.5rem;}
.lightbox-next{right:1.5rem;}
@media (max-width:575.98px){
  .lightbox-arrow{width:42px;height:42px;}
  .lightbox-prev{left:.4rem;}
  .lightbox-next{right:.4rem;}
}

/* clientes */
.section-clients{padding:3.5rem 0;border-top:1px solid #eee;border-bottom:1px solid #eee;}
.clients-label{color:#777;font-weight:600;text-transform:uppercase;letter-spacing:.05em;font-size:.82rem;margin-bottom:1.6rem;}
.clients-row{display:flex;justify-content:center;gap:2.6rem;flex-wrap:wrap;}
.clients-row span{display:flex;align-items:center;gap:.55rem;color:#444;font-weight:600;font-size:.92rem;}
.clients-row i{color:var(--naranja);}

/* testimonials */
.testimonial-track{display:grid;grid-template-columns:repeat(3,1fr);gap:1.6rem;}
.testimonial-card{background:#181818;border:1px solid #262626;border-radius:var(--radius);padding:2rem;}
.stars{color:var(--naranja);margin-bottom:1rem;font-size:.9rem;}
.testimonial-card p{color:#ccc;font-size:.95rem;margin-bottom:1.4rem;}
.testimonial-author{display:flex;align-items:center;gap:.8rem;}
.avatar{width:42px;height:42px;border-radius:50%;background:rgba(242,106,17,.15);color:var(--naranja);display:flex;align-items:center;justify-content:center;}
.testimonial-author strong{display:block;color:#fff;font-size:.92rem;}
.testimonial-author small{color:#999;font-size:.8rem;}
@media (max-width:991.98px){.testimonial-track{grid-template-columns:1fr;}}

/* faq */
.faq-accordion .accordion-item{background:transparent;border:none;border-bottom:1px solid #e3e3e3;}
.accordion-button{
  font-family:var(--font-display);font-weight:700;color:var(--negro);background:transparent;
  padding:1.3rem 0;font-size:1.02rem;box-shadow:none!important;
}
.accordion-button:not(.collapsed){color:var(--naranja);}
.accordion-button::after{filter:none;}
.accordion-body{padding:0 0 1.3rem;color:#555;font-size:.95rem;}

/* contact */
.contact-list{list-style:none;padding:0;margin:1.6rem 0 2rem;display:flex;flex-direction:column;gap:.85rem;}
.contact-list li{display:flex;align-items:center;gap:.7rem;color:var(--gris);}
.contact-list i{color:var(--naranja);width:18px;}
.contact-list a{color:var(--gris);}
.contact-list a:hover{color:var(--naranja);}
.contact-form{background:#fff;border-radius:var(--radius);padding:2.2rem;color:var(--negro);}
.contact-form .form-label{font-weight:600;font-size:.86rem;margin-bottom:.4rem;}
.contact-form .form-control,.contact-form .form-select{
  border:1px solid #ddd;border-radius:var(--radius);padding:.65rem .9rem;font-size:.95rem;
}
.contact-form .form-control:focus,.contact-form .form-select:focus{
  border-color:var(--naranja);box-shadow:0 0 0 3px rgba(242,106,17,.15);
}
.form-note{font-size:.78rem;color:#888;}
.form-feedback{font-weight:600;font-size:.9rem;}
.form-feedback.success{color:#1c7a3e;}
.form-feedback.error{color:#c0392b;}

/* footer */
.site-footer{background:#0c0c0c;color:#999;padding:4rem 0 1.6rem;}
.footer-brand{display:flex;align-items:center;gap:.6rem;margin-bottom:1rem;}
.footer-slogan{font-family:var(--font-serif);font-style:italic;color:var(--gris);margin-bottom:1.2rem;}
.footer-social{display:flex;gap:.8rem;}
.footer-social a{
  width:38px;height:38px;border-radius:50%;border:1px solid #2a2a2a;color:#ccc;
  display:flex;align-items:center;justify-content:center;transition:var(--transition);
}
.footer-social a:hover{background:var(--naranja);border-color:var(--naranja);color:#fff;}
.site-footer h4{color:#fff;font-size:.95rem;text-transform:uppercase;letter-spacing:.05em;margin-bottom:1.1rem;}
.footer-links{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:.6rem;font-size:.9rem;}
.footer-links i{color:var(--naranja);margin-right:.4rem;}
.footer-links a:hover{color:var(--naranja);}
.footer-bottom{
  border-top:1px solid #222;margin-top:3rem;padding-top:1.6rem;
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:.6rem;font-size:.8rem;color:#666;
}

/* floating buttons */
.whatsapp-float{
  position:fixed;bottom:1.6rem;right:1.6rem;width:58px;height:58px;border-radius:50%;
  background:#25D366;color:#fff;display:flex;align-items:center;justify-content:center;
  font-size:1.7rem;box-shadow:0 8px 24px rgba(0,0,0,.25);z-index:1500;transition:var(--transition);
}
.whatsapp-float:hover{transform:scale(1.08);}
.back-to-top{
  position:fixed;bottom:1.6rem;right:5.6rem;width:46px;height:46px;border-radius:50%;
  background:var(--negro);color:#fff;border:none;font-size:1.1rem;box-shadow:0 8px 24px rgba(0,0,0,.25);
  z-index:1500;opacity:0;pointer-events:none;transition:var(--transition);
}
.back-to-top.visible{opacity:1;pointer-events:auto;}
.back-to-top:hover{background:var(--naranja);}

/* reveal animation */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s ease, transform .7s ease;}
.reveal.is-visible{opacity:1;transform:translateY(0);}

@media (prefers-reduced-motion: reduce){
  .reveal{opacity:1;transform:none;transition:none;}
  html{scroll-behavior:auto;}
  .scroll-cue{animation:none;}
}

@media (max-width:991.98px){
  #navbar{top:0;}
  .hero{padding:9rem 0 5rem;}
}