:root{
  --charcoal:#4f4a47;
  --charcoal-2:#34302f;
  --warm-gray:#8d867f;
  --mist:#f5f3ef;
  --paper:#ffffff;
  --orange:#d95713;
  --orange-2:#f06b21;
  --line:rgba(79,74,71,.14);
  --shadow:0 24px 70px rgba(52,48,47,.16);
  --sans:Montserrat, Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", Arial, sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--sans);background:var(--mist);color:var(--charcoal);line-height:1.65}
img,video{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
p{color:#6d6661}
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:80;
  display:flex;justify-content:center;padding:10px 5vw;
  background:rgba(79,74,71,.92);backdrop-filter:blur(14px);
  box-shadow:0 8px 30px rgba(0,0,0,.12)
}
.nav-inner{width:min(1200px,100%);display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:14px;color:#fff;font-weight:900;letter-spacing:.02em}
.brand img{width:58px;height:58px;object-fit:contain;background:#fff;padding:4px;border-radius:2px}
.brand small{display:block;color:#d9d3ce;font-size:.68rem;letter-spacing:.22em;text-transform:uppercase;margin-top:2px}
.site-nav{display:flex;align-items:center;gap:4px}
.site-nav a{color:#fff;font-size:.78rem;text-transform:uppercase;font-weight:850;padding:11px 12px;border-radius:2px}
.site-nav a:hover,.site-nav a.active{background:rgba(217,87,19,.95)}
.nav-toggle{display:none;border:0;background:var(--orange);border-radius:2px;padding:10px;gap:4px;flex-direction:column}
.nav-toggle span{width:24px;height:2px;background:#fff;border-radius:99px}
.hero{
  min-height:100vh;display:grid;align-items:center;padding:112px 5vw 68px;
  position:relative;overflow:hidden;background:#1f1d1b;color:#fff
}
.hero-video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.55;filter:contrast(1.08) saturate(.9)}
.hero:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(29,27,25,.88),rgba(29,27,25,.43) 52%,rgba(29,27,25,.64))}
.hero-content{position:relative;z-index:2;width:min(1200px,100%);margin:auto}
.hero h1{font-size:clamp(2.2rem,5vw,4.85rem);line-height:1.05;letter-spacing:-.055em;max-width:900px;margin:0;color:#fff}
.hero p{font-size:clamp(1rem,1.5vw,1.35rem);color:#fff;max-width:770px;margin:18px 0 0}
.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
.btn{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:999px;padding:13px 22px;font-weight:900;cursor:pointer}
.btn.primary{background:var(--orange);color:#fff;box-shadow:0 16px 35px rgba(217,87,19,.34)}
.btn.secondary{background:#fff;color:var(--charcoal)}
.section{padding:clamp(62px,8vw,112px) 5vw;background:var(--paper)}
.section.alt{background:var(--mist)}
.wrap{width:min(1200px,100%);margin:auto}
.eyebrow{display:inline-flex;align-items:center;gap:12px;text-transform:uppercase;letter-spacing:.18em;font-weight:900;color:var(--orange);font-size:.76rem;margin-bottom:14px}
.eyebrow:before{content:"";width:42px;height:2px;background:var(--orange)}
h2{font-size:clamp(1.9rem,3.8vw,4.05rem);line-height:1.08;letter-spacing:-.045em;margin:0 0 18px;color:#181615}
h3{line-height:1.2;margin:0 0 10px;color:#24211f}
.section-head{display:grid;grid-template-columns:.8fr 1fr;gap:42px;align-items:end;margin-bottom:44px}
.split{display:grid;grid-template-columns:.95fr 1.05fr;gap:46px;align-items:center}
.image-frame{border-radius:2px;overflow:hidden;box-shadow:var(--shadow);position:relative;background:#ddd}
.image-frame img{width:100%;height:100%;object-fit:cover}
.about-image{height:560px}
.about-copy{background:#fff;border-left:6px solid var(--orange);padding:38px;box-shadow:var(--shadow)}
.stats{display:grid;grid-template-columns:repeat(3,1fr);border:1px solid var(--line);background:#fff;margin-top:34px}
.stat{padding:32px;text-align:center;border-right:1px solid var(--line)}
.stat:last-child{border-right:0}
.stat strong{display:block;font-size:clamp(2rem,4vw,3.2rem);line-height:1;color:#2b2826}
.stat span{font-weight:800;color:#6e6863}
.mission-grid{display:grid;grid-template-columns:.8fr 1fr;gap:0;background:#817b78;color:#fff;box-shadow:var(--shadow)}
.mission-grid img{height:100%;object-fit:cover}
.mv-content{display:grid;grid-template-columns:1fr 1fr;gap:28px;padding:42px}
.mv-content h3,.mv-content p{color:#fff}
.services-grid{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-left:1px solid var(--line);background:#fff}
.service-card{padding:34px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);min-height:330px;transition:transform .25s ease, box-shadow .25s ease, background .25s ease}
.service-card:hover{transform:translateY(-8px);box-shadow:var(--shadow);background:#fffaf6}
.service-icon{width:60px;height:60px;margin-bottom:28px}
.projects-area{background:#fff}
.carousel-shell{position:relative;overflow:hidden;border-radius:2px;box-shadow:var(--shadow)}
.carousel-track{display:flex;transition:transform .5s ease}
.carousel-slide{min-width:100%;margin:0;position:relative;height:min(560px,65vw)}
.carousel-slide img{width:100%;height:100%;object-fit:cover}
.carousel-slide figcaption{position:absolute;left:26px;bottom:26px;right:26px;background:rgba(52,48,47,.84);color:#fff;padding:16px 20px;font-weight:900}
.carousel-controls{display:flex;gap:10px;margin-top:18px;justify-content:flex-end}
.circle-btn{width:46px;height:46px;border-radius:50%;border:0;background:var(--orange);color:#fff;font-size:1.4rem;font-weight:900;cursor:pointer}
.featured{background:#817b78;color:#fff}
.featured h2,.featured p,.featured .eyebrow{color:#fff}
.featured .eyebrow:before{background:#fff}
.featured-grid{display:grid;grid-template-columns:.62fr 1.38fr;gap:36px;align-items:center}
.featured-video{border-radius:2px;overflow:hidden;box-shadow:var(--shadow)}
.featured-video video{width:100%;height:min(520px,60vw);object-fit:cover}
.project-meta{display:grid;gap:18px}
.meta-row{border-left:3px solid #fff;padding-left:16px}
.clients{background:#302827;color:#fff}
.clients h2,.clients p,.clients .eyebrow{color:#fff;text-align:center}
.clients .eyebrow{display:flex;justify-content:center}
.clients .eyebrow:before{background:#fff}
.clients-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:26px;margin-top:34px}
.client-card{background:#f6f4ed;border-radius:2px;display:grid;place-items:center;padding:18px;min-height:160px;box-shadow:0 15px 40px rgba(0,0,0,.16)}
.client-card img{width:100%;height:120px;object-fit:contain}
.contact-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:40px}
form{display:grid;gap:16px}
input,textarea{width:100%;border:1px solid var(--line);border-radius:0;padding:14px 12px;font:inherit;background:#fff}
textarea{min-height:160px;resize:vertical}
.site-footer{background:#fff;border-top:1px solid var(--line);padding:28px 5vw;color:#6d6661}
.footer-inner{width:min(1200px,100%);margin:auto;display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap;font-size:.85rem}
.chat-launch{
  position:fixed;right:22px;bottom:22px;z-index:120;
  background:var(--orange);color:#fff;border:0;border-radius:999px;padding:12px 18px;
  font-weight:900;box-shadow:0 18px 45px rgba(217,87,19,.38);cursor:pointer;display:flex;gap:9px;align-items:center
}
.chat-launch span{width:10px;height:10px;border-radius:50%;background:#fff}
.chat-box{
  position:fixed;right:22px;bottom:82px;z-index:121;width:min(344px,calc(100vw - 32px));
  background:#fff;border-radius:2px;box-shadow:0 22px 70px rgba(0,0,0,.25);overflow:hidden;
  transform:translateY(20px);opacity:0;pointer-events:none;transition:.25s ease
}
.chat-box.open{transform:translateY(0);opacity:1;pointer-events:auto}
.chat-head{background:#fff;color:#333;padding:14px 16px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;gap:12px;align-items:start}
.chat-head strong{display:block}.chat-status{font-size:.78rem;color:#2e8c48}.chat-close{border:0;background:transparent;font-size:1.1rem;cursor:pointer}
.chat-body{height:270px;background:#aaa;display:flex;align-items:flex-end;padding:16px}.chat-msg{background:#fff;padding:10px 12px;border-radius:12px 12px 12px 2px;max-width:84%;font-size:.9rem}
.chat-input{display:flex;border-top:1px solid var(--line)}.chat-input input{border:0;flex:1}.chat-input button{border:0;background:#fff;color:var(--orange);font-weight:900;padding:0 14px}
.reveal{opacity:0;transform:translateY(28px);transition:opacity .75s ease,transform .75s ease}
.reveal.visible{opacity:1;transform:translateY(0)}
@media(max-width:1040px){
  .site-nav{display:none;position:absolute;top:78px;left:4vw;right:4vw;background:#4f4a47;padding:12px;flex-direction:column;align-items:stretch}
  .site-nav.open{display:flex}
  .nav-toggle{display:flex}
  .section-head,.split,.mission-grid,.featured-grid,.contact-grid{grid-template-columns:1fr}
  .services-grid{grid-template-columns:1fr 1fr}
  .clients-grid{grid-template-columns:1fr 1fr}
  .about-image{height:420px}
}
@media(max-width:640px){
  .brand span{display:none}
  .hero{padding-top:100px}
  .services-grid,.clients-grid,.stats,.mv-content{grid-template-columns:1fr}
  .stat{border-right:0;border-bottom:1px solid var(--line)}
  .carousel-slide{height:420px}
}


/* Ajustes solicitados: Misión/Visión + imágenes más modernas */
.image-frame,
.carousel-shell,
.featured-video,
.client-card,
.hero video,
.hero-video{
  border-radius: 24px;
}

.image-frame img,
.mission-grid img,
.carousel-slide img,
.featured-video video,
.client-card img{
  border-radius: 18px;
}

.mission-grid{
  border-radius: 30px;
  overflow: hidden;
  background: linear-gradient(135deg, #6f6964 0%, #8a827d 100%);
}

.mission-grid > img{
  min-height: 520px;
  width: 100%;
  object-fit: cover;
  object-position: center;
}

.mv-content{
  align-content: center;
  gap: 26px;
  padding: clamp(36px, 5vw, 70px);
}

.mv-content article{
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.22);
  border-left: 5px solid var(--orange);
  border-radius: 24px;
  padding: clamp(24px, 3vw, 36px);
  backdrop-filter: blur(8px);
}

.mv-content h3{
  font-size: clamp(1.55rem, 2vw, 2.15rem);
  margin-bottom: 14px;
}

.mv-content p{
  font-size: clamp(1.02rem, 1.28vw, 1.22rem);
  line-height: 1.85;
}

@media(max-width:1040px){
  .mission-grid > img{
    min-height: 360px;
  }
  .mv-content{
    grid-template-columns: 1fr;
  }
}

@media(max-width:640px){
  .image-frame,
  .carousel-shell,
  .featured-video,
  .client-card,
  .mission-grid{
    border-radius: 18px;
  }

  .image-frame img,
  .mission-grid img,
  .carousel-slide img,
  .featured-video video,
  .client-card img{
    border-radius: 14px;
  }
}