:root{
    --naranja:#FE8F01;
    --naranja-osc:#e07d00;
    --negro:#151414;
    --gris-oscuro:#282626;
    --gris:#5d5d61;
    --gris-claro:#F7F7F7;
    --blanco:#ffffff;
  }
  *{box-sizing:border-box;margin:0;padding:0;}
  html{scroll-behavior:smooth;}
  body{
    font-family:'Segoe UI', Arial, Helvetica, sans-serif;
    color:var(--negro);
    line-height:1.65;
    background:var(--blanco);
    overflow-x:hidden;
  }
  a{text-decoration:none;color:inherit;}
  ul{list-style:none;}
  img{max-width:100%;display:block;}
  .container{max-width:1180px;margin:0 auto;padding:0 24px;}

  /* HEADER */
  header{
    position:sticky;top:0;z-index:100;
    background:rgba(255,255,255,.96);
    backdrop-filter:blur(6px);
    box-shadow:0 2px 16px rgba(0,0,0,0.07);
  }
  .nav-wrap{
    display:flex;align-items:center;justify-content:space-between;
    padding:12px 24px;max-width:1180px;margin:0 auto;
  }
  .logo{display:flex;align-items:center;gap:10px;}
  .logo img{height:76px;width:auto;}
  nav ul{display:flex;gap:26px;flex-wrap:wrap;align-items:center;}
  nav a{
    font-weight:600;font-size:14px;letter-spacing:.4px;
    color:var(--negro);
    transition:color .2s;
    text-transform:uppercase;
  }
  nav a:hover{color:var(--naranja);}
  .btn-cotiza{
    background:var(--naranja);color:#fff;padding:11px 24px;border-radius:50px;
    font-weight:700;font-size:14px;text-transform:uppercase;
    transition:transform .2s, box-shadow .2s;
    box-shadow:0 6px 16px rgba(254,143,1,0.35);
  }
  .btn-cotiza:hover{transform:translateY(-2px);}
  .menu-toggle{display:none;background:none;border:none;font-size:26px;cursor:pointer;color:var(--negro);}

  /* ORGANIC BLOBS (decorative) */
  .blob{position:absolute;border-radius:63% 37% 54% 46% / 43% 47% 53% 57%;pointer-events:none;z-index:0;}

  /* HERO */
  .hero{
    position:relative;
    background:var(--negro);
    color:#fff;
    padding:100px 24px 140px;
    overflow:hidden;
  }
  .hero .blob-orange{
    width:620px;height:620px;top:-220px;right:-180px;
    background:radial-gradient(circle at 30% 30%, rgba(254,143,1,0.55), rgba(254,143,1,0) 70%);
    animation:float 10s ease-in-out infinite;
  }
  .hero .blob-orange2{
    width:340px;height:340px;bottom:-160px;left:-120px;
    background:radial-gradient(circle at 60% 40%, rgba(254,143,1,0.35), rgba(254,143,1,0) 70%);
  }
  @keyframes float{
    0%,100%{transform:translate(0,0) scale(1);}
    50%{transform:translate(-20px,20px) scale(1.05);}
  }
  .hero-inner{
    max-width:1180px;margin:0 auto;position:relative;z-index:2;
    display:grid;grid-template-columns:1.1fr .9fr;gap:50px;align-items:center;
  }
  .hero-tag{
    display:inline-block;color:var(--naranja);font-weight:700;letter-spacing:1px;
    text-transform:uppercase;font-size:14px;margin-bottom:16px;
  }
  .hero h1{
    font-size:42px;font-weight:800;line-height:1.25;margin-bottom:18px;
  }
  .hero p.quote{
    font-style:italic;color:#ccc;font-size:18px;margin-bottom:32px;
  }
  .hero-buttons{display:flex;gap:16px;flex-wrap:wrap;}
  .btn-primary{
    background:var(--naranja);color:#fff;padding:15px 32px;border-radius:50px;
    font-weight:700;text-transform:uppercase;font-size:14px;
    box-shadow:0 8px 20px rgba(254,143,1,0.4);transition:transform .2s;
  }
  .btn-primary:hover{transform:translateY(-3px);}
  .btn-outline{
    border:2px solid #fff;color:#fff;padding:13px 30px;border-radius:50px;
    font-weight:700;text-transform:uppercase;font-size:14px;transition:.2s;
  }
  .btn-outline:hover{background:#fff;color:var(--negro);}

  .hero-photo-wrap{position:relative;}
  .hero-slider{position:relative;width:100%;aspect-ratio:4/3.6;}
  .hero-slide{
    position:absolute;inset:0;opacity:0;transition:opacity .8s ease;pointer-events:none;
  }
  .hero-slide.active{opacity:1;pointer-events:auto;}
  .hero-slide .hero-photo{
    width:100%;height:100%;object-fit:cover;
    border-radius:62% 38% 41% 59% / 49% 42% 58% 51%;
    box-shadow:0 30px 60px rgba(0,0,0,0.45);
  }
  .hero-photo-ring{
    position:absolute;inset:-18px;
    border:3px dashed rgba(254,143,1,0.6);
    border-radius:58% 42% 45% 55% / 45% 55% 45% 55%;
    z-index:-1;
  }
  .hero-text-slider{position:relative;min-height:120px;margin-bottom:0;}
  .hero-text-slide{display:none;margin:0;}
  .hero-text-slide.active{display:block;animation:fadeInText .5s ease;}
  @keyframes fadeInText{
    from{opacity:0;transform:translateY(6px);}
    to{opacity:1;transform:translateY(0);}
  }
  .hero-slider-dots{
    display:flex;gap:8px;justify-content:center;margin-top:16px;
  }
  .hero-slider-dots button{
    width:10px;height:10px;border-radius:50%;border:none;
    background:rgba(255,255,255,0.4);cursor:pointer;padding:0;transition:.2s;
  }
  .hero-slider-dots button.active{background:var(--naranja);width:26px;border-radius:6px;}

  .wave{display:block;width:100%;height:80px;line-height:0;position:relative;z-index:2;margin-top:-2px;}
  .section-title-invert{color:#fff;}

  /* STATS */
  .stats{
    background:var(--naranja);color:#fff;padding:50px 24px 40px;position:relative;
  }
  .stats-grid{
    max-width:1180px;margin:0 auto;
    display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:center;
  }
  .stats-grid .num{font-size:38px;font-weight:800;}
  .stats-grid .label{font-size:13px;text-transform:uppercase;letter-spacing:.5px;opacity:.95;}

  /* SECTION GENERAL */
  section{padding:90px 24px;position:relative;}
  .section-label{
    color:var(--naranja);font-weight:700;text-transform:uppercase;letter-spacing:1px;
    font-size:14px;margin-bottom:10px;display:block;text-align:center;
  }
  .section-title{
    font-size:32px;font-weight:800;text-align:center;margin-bottom:16px;color:var(--negro);
  }
  .section-sub{
    text-align:center;max-width:700px;margin:0 auto 50px;color:var(--gris);font-size:16px;
  }

  /* NOSOTROS */
  .about{background:var(--gris-claro);overflow:hidden;}
  .about .blob-deco{
    width:380px;height:380px;left:-160px;top:40px;
    background:radial-gradient(circle, rgba(254,143,1,0.15), rgba(254,143,1,0) 70%);
  }
  .about-grid{
    display:grid;grid-template-columns:.9fr 1.1fr;gap:60px;align-items:center;max-width:1180px;margin:0 auto;
    position:relative;z-index:1;
  }
  .about-photo-wrap{position:relative;}
  .about-photo{
    width:100%;
    border-radius:38% 62% 63% 37% / 41% 44% 56% 59%;
    box-shadow:0 25px 50px rgba(0,0,0,0.15);
  }
  .about-photo-blob{
    position:absolute;bottom:-30px;right:-30px;width:150px;height:150px;
    background:var(--naranja);
    border-radius:63% 37% 54% 46% / 43% 47% 53% 57%;
    z-index:-1;
  }
  .about-grid h3{font-size:26px;margin-bottom:18px;color:var(--negro);}
  .about-grid p{color:var(--gris);margin-bottom:16px;}
  .about-highlight{
    background:var(--negro);color:#fff;padding:26px 28px;
    border-radius:24px 24px 24px 4px;
    font-size:18px;font-weight:600;position:relative;
  }
  .about-highlight b{color:var(--naranja);}

  /* SERVICIOS */
  .services-grid{
    display:flex;flex-wrap:wrap;justify-content:center;gap:28px;max-width:1180px;margin:0 auto;position:relative;z-index:1;
  }
  .service-card{
    background:#fff;border-radius:28px 28px 28px 4px;padding:34px 28px;
    box-shadow:0 8px 24px rgba(0,0,0,0.06);transition:transform .25s, box-shadow .25s;
    position:relative;overflow:hidden;
    flex:1 1 320px;max-width:360px;
  }
  .service-card:hover{transform:translateY(-8px);box-shadow:0 18px 34px rgba(0,0,0,0.12);}
  .service-icon{
    width:60px;height:60px;border-radius:63% 37% 54% 46% / 43% 47% 53% 57%;
    background:rgba(254,143,1,0.12);
    display:flex;align-items:center;justify-content:center;margin-bottom:18px;
  }
  .service-icon img{width:32px;height:32px;object-fit:contain;}
  .service-card h4{font-size:19px;margin-bottom:10px;color:var(--negro);}
  .service-card h4 span{display:block;color:var(--naranja);font-size:13px;text-transform:uppercase;font-weight:700;margin-bottom:4px;letter-spacing:.4px;}
  .service-card p{color:var(--gris);font-size:15px;}

  .services-list-title{
    text-align:center;max-width:900px;margin:0 auto 50px;
  }
  .chips{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-bottom:60px;}
  .chip{
    background:#fff;padding:11px 20px;border-radius:50px;font-size:14px;font-weight:600;
    border:1.5px solid rgba(254,143,1,0.35);color:var(--gris-oscuro);
  }

  .steel-section{background:var(--gris-claro);overflow:hidden;}
  .steel-section .blob-deco{
    width:420px;height:420px;right:-180px;bottom:-120px;
    background:radial-gradient(circle, rgba(254,143,1,0.15), rgba(254,143,1,0) 70%);
  }

  .feature-photos{
    display:grid;grid-template-columns:repeat(3,1fr);gap:30px;max-width:1080px;margin:0 auto 60px;position:relative;z-index:1;
  }
  .feature-photo-card{position:relative;}
  .feature-photo-card img{
    width:100%;aspect-ratio:4/3;object-fit:cover;
    border-radius:45% 55% 52% 48% / 55% 45% 55% 45%;
    box-shadow:0 20px 40px rgba(0,0,0,0.14);
  }
  .feature-photo-card:nth-child(even) img{
    border-radius:55% 45% 48% 52% / 45% 55% 45% 55%;
  }
  @media(max-width:860px){
    .feature-photos{grid-template-columns:1fr 1fr;}
  }
  .feature-photos-wide{
    grid-template-columns:repeat(4,1fr);max-width:1180px;
  }
  .feature-photos-wide .feature-photo-card:nth-child(9){grid-column:2;}
  .feature-photos-wide .feature-photo-card:nth-child(10){grid-column:3;}
  @media(max-width:860px){
    .feature-photos-wide{grid-template-columns:1fr 1fr;}
    .feature-photos-wide .feature-photo-card:nth-child(9),
    .feature-photos-wide .feature-photo-card:nth-child(10){grid-column:auto;}
  }

  /* CLIENTES / PROYECTOS */
  .clientes{text-align:center;background:#fff;overflow:hidden;}
  .gallery{
    display:grid;grid-template-columns:repeat(4,1fr);gap:22px;max-width:1100px;margin:0 auto 50px;
  }
  .gallery-item{position:relative;overflow:hidden;}
  .gallery-item img{
    width:100%;aspect-ratio:1/1;object-fit:cover;
    transition:transform .4s;
  }
  .gallery-item:nth-child(4n+1){border-radius:63% 37% 54% 46% / 43% 47% 53% 57%;}
  .gallery-item:nth-child(4n+2){border-radius:37% 63% 46% 54% / 57% 53% 47% 43%;}
  .gallery-item:nth-child(4n+3){border-radius:50% 50% 30% 70% / 60% 40% 60% 40%;}
  .gallery-item:nth-child(4n+4){border-radius:30% 70% 70% 30% / 50% 50% 50% 50%;}
  .gallery-item:hover img{transform:scale(1.12);}

  .clientes-box{
    max-width:900px;margin:0 auto;background:var(--negro);color:#fff;padding:50px 40px;
    border-radius:50px 50px 50px 4px;position:relative;overflow:hidden;
  }
  .clientes-box::before{
    content:"";position:absolute;width:260px;height:260px;top:-100px;right:-100px;
    background:radial-gradient(circle, rgba(254,143,1,0.35), rgba(254,143,1,0) 70%);
  }
  .clientes-box h3{font-size:24px;margin-bottom:14px;position:relative;}
  .clientes-box p{color:#ccc;position:relative;}
  .client-logos{
    display:flex;flex-wrap:wrap;gap:18px;justify-content:center;margin-top:32px;position:relative;
  }
  .client-badge{
    width:160px;height:160px;border-radius:50%;
    background:#fff;
    display:flex;align-items:center;justify-content:center;
    padding:24px;
    box-shadow:0 8px 18px rgba(0,0,0,0.25);
    transition:transform .25s, box-shadow .25s;
  }
  @media (max-width:900px){
    .client-badge{width:120px;height:120px;padding:18px;}
  }
  .client-badge img{
    max-width:100%;max-height:100%;width:auto;height:auto;object-fit:contain;
  }
  .client-badge:hover{
    transform:translateY(-6px) scale(1.08);
    box-shadow:0 14px 26px rgba(254,143,1,0.45);
  }

  /* WHATSAPP FLOATING BUTTON */
  .whatsapp-float{
    position:fixed;bottom:26px;right:26px;z-index:999;
    width:60px;height:60px;border-radius:50%;
    background:#25D366;color:#fff;
    display:flex;align-items:center;justify-content:center;
    box-shadow:0 8px 22px rgba(37,211,102,0.55);
    animation:wa-pulse 2.4s infinite;
    transition:transform .2s;
  }
  .whatsapp-float svg{width:32px;height:32px;}
  .whatsapp-float:hover{transform:scale(1.1);}
  @keyframes wa-pulse{
    0%{box-shadow:0 8px 22px rgba(37,211,102,0.55), 0 0 0 0 rgba(37,211,102,0.5);}
    70%{box-shadow:0 8px 22px rgba(37,211,102,0.55), 0 0 0 14px rgba(37,211,102,0);}
    100%{box-shadow:0 8px 22px rgba(37,211,102,0.55), 0 0 0 0 rgba(37,211,102,0);}
  }
  @media (max-width:900px){
    .whatsapp-float{bottom:18px;right:18px;width:54px;height:54px;}
    .whatsapp-float svg{width:28px;height:28px;}
  }

  /* CONTACTO */
  .contacto{background:var(--negro);color:#fff;overflow:hidden;}
  .contacto .blob-deco{
    width:400px;height:400px;left:-160px;bottom:-160px;
    background:radial-gradient(circle, rgba(254,143,1,0.25), rgba(254,143,1,0) 70%);
  }
  .contact-grid{
    display:grid;grid-template-columns:1fr 1fr;gap:60px;max-width:1180px;margin:0 auto;position:relative;z-index:1;
  }
  .contact-left{display:flex;flex-direction:column;gap:24px;}
  .office-compact{padding:20px 24px;}
  .office-compact p{margin-bottom:2px;}
  .contact-form input, .contact-form textarea{
    width:100%;padding:15px 18px;margin-bottom:16px;border-radius:16px;border:1px solid #444;
    background:#1b1b1b;color:#fff;font-size:15px;font-family:inherit;
  }
  .contact-form textarea{min-height:120px;resize:vertical;border-radius:20px;}
  .contact-form .row{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
  .form-status{
    min-height:20px;font-size:14px;font-weight:600;margin-bottom:14px;
  }
  .form-status-info{color:#ccc;}
  .form-status-ok{color:#7CFC9A;}
  .form-status-error{color:#ff8080;}
  .contact-form button{
    background:var(--naranja);color:#fff;padding:15px 34px;border:none;border-radius:50px;
    font-weight:700;text-transform:uppercase;cursor:pointer;font-size:14px;transition:transform .2s;
    box-shadow:0 8px 20px rgba(254,143,1,0.35);
  }
  .contact-form button:hover{transform:translateY(-2px);}

  .offices{display:flex;flex-direction:column;gap:24px;}
  .office{
    background:#1b1b1b;padding:24px 26px;border-radius:24px 24px 24px 4px;border-left:4px solid var(--naranja);
  }
  .office h4{color:var(--naranja);text-transform:uppercase;font-size:14px;letter-spacing:.5px;margin-bottom:8px;}
  .office p{color:#ddd;font-size:15px;margin-bottom:2px;}
  .office-map{
    margin-top:14px;border-radius:16px;overflow:hidden;
    aspect-ratio:16/9;border:1px solid rgba(254,143,1,0.3);
  }
  .office-map iframe{width:100%;height:100%;border:0;display:block;}
  .email-box{
    margin-top:6px;font-size:16px;font-weight:700;color:#fff;
  }
  .email-box a{color:var(--naranja);}

  footer{
    background:#0c0c0c;color:#999;text-align:center;padding:24px;font-size:13px;
  }
  footer .credit{margin-top:8px;font-size:12px;color:#777;}
  footer .credit a{color:var(--naranja);font-weight:600;transition:color .2s;}
  footer .credit a:hover{color:#fff;}

  /* Campo trampa anti-spam (oculto visualmente, no con display:none para que los bots no lo detecten fácilmente) */
  .hp-field{
    position:absolute !important;left:-9999px !important;width:1px;height:1px;
    opacity:0;overflow:hidden;pointer-events:none;
  }

  @media (max-width: 900px){
    .about-grid, .contact-grid, .hero-inner, .feature-photos{grid-template-columns:1fr;}
    .stats-grid{grid-template-columns:repeat(2,1fr);}
    .gallery{grid-template-columns:repeat(2,1fr);}
    nav{
      position:fixed;top:76px;left:0;right:0;background:#fff;
      box-shadow:0 6px 12px rgba(0,0,0,0.1);
      display:none;flex-direction:column;padding:20px;
    }
    nav.open{display:flex;}
    nav ul{flex-direction:column;gap:16px;align-items:flex-start;}
    .menu-toggle{display:block;}
    .hero h1{font-size:28px;}
    .hero-photo-wrap{order:-1;}
    .contact-form .row{grid-template-columns:1fr;}
  }