:root{
    --ink:#1c2430;
    --ink-soft:#f2ede6;
    --steel:#6b7580;
    --steel-light:#aab2ba;
    --zinc:#e7e9ea;
    --zinc-2:#f3f4f4;
    --white:#ffffff;
    --orange:#ea5b0c;
    --orange-dark:#c94c09;
    --oxide:#7a2e1d;
    --amber:#f5b942;
    --amber-soft:#fdf1d8;
    --terracotta-soft:#fde3d0;
    --radius:2px;
  }
  *{box-sizing:border-box; margin:0; padding:0;}
  html{scroll-behavior:smooth;}
  body{
    font-family:'Inter', sans-serif;
    background:var(--zinc-2);
    color:var(--ink);
    line-height:1.6;
    overflow-x:hidden;
  }
  h1,h2,h3,.display{
    font-family:'Big Shoulders Display', sans-serif;
    font-weight:900;
    text-transform:uppercase;
    letter-spacing:0.01em;
    line-height:0.95;
  }
  .mono{
    font-family:'IBM Plex Mono', monospace;
    letter-spacing:0.03em;
  }
  a{color:inherit; text-decoration:none;}
  img{max-width:100%; display:block;}
  .wrap{max-width:1180px; margin:0 auto; padding:0 28px;}
  .eyebrow{
    font-family:'IBM Plex Mono', monospace;
    font-size:12.5px;
    font-weight:600;
    letter-spacing:0.14em;
    text-transform:uppercase;
    color:var(--orange);
    display:flex; align-items:center; gap:10px;
    margin-bottom:14px;
  }
  .eyebrow::before{
    content:"";
    width:26px; height:2px; background:var(--orange);
    display:inline-block;
  }

  /* seam divider - standing seam roof profile */
  .seam{
    width:100%; height:14px; line-height:0;
    background: repeating-linear-gradient(90deg, var(--orange) 0 2px, transparent 2px 34px);
    opacity:0.55;
  }
  .seam.light{background: repeating-linear-gradient(90deg, var(--steel-light) 0 2px, transparent 2px 34px);}

  /* ---------------- TOPBAR (barra superior, no fija) ---------------- */
  .topbar{
    background:var(--white);
    padding:26px 0;
    border-bottom:1px solid var(--zinc);
  }
  .topbar-inner{
    display:flex; align-items:center; gap:16px;
  }
  .topbar-logo-img{height:58px; width:auto;}
  .topbar-logo-text{
    font-family:'Big Shoulders Display', sans-serif;
    font-weight:900; font-size:34px; color:var(--ink);
    letter-spacing:0.02em;
    display:flex; flex-direction:column; line-height:0.9;
  }
  .topbar-logo-text span{
    font-family:'IBM Plex Mono', monospace;
    font-size:12px; font-weight:500; color:var(--orange-dark);
    letter-spacing:0.14em; margin-top:7px; text-transform:uppercase;
  }

  /* ---------------- NAV (barra fija/sticky) ---------------- */
  header{
    position:sticky; top:0; z-index:100;
    background:rgba(20,23,26,0.96);
    backdrop-filter:blur(6px);
    border-bottom:3px solid var(--orange);
  }
  nav{
    display:flex; align-items:center; justify-content:space-between;
    padding:16px 28px; max-width:1180px; margin:0 auto; gap:20px;
  }
  .nav-mini-logo{
    display:flex; align-items:center; gap:9px;
    opacity:0; max-width:0; min-width:0; overflow:hidden;
    transition:opacity .25s ease, max-width .3s ease;
    white-space:nowrap; flex-shrink:0;
  }
  .nav-mini-logo img{height:28px; width:auto; flex-shrink:0;}
  .nav-mini-logo span{
    font-family:'Big Shoulders Display', sans-serif;
    font-weight:900; font-size:19px; color:var(--white); letter-spacing:0.02em;
  }
  header.scrolled .nav-mini-logo{opacity:1; max-width:220px;}

  .navlinks{display:flex; gap:34px; align-items:center;}
  .navlinks a{
    color:var(--zinc-2); font-size:14px; font-weight:600;
    text-transform:uppercase; letter-spacing:0.04em;
    padding:6px 0; border-bottom:2px solid transparent;
    transition:border-color .2s, color .2s;
  }
  .navlinks a:hover{border-color:var(--orange); color:var(--orange);}
  .cta-btn{
    background:var(--orange); color:var(--white) !important;
    padding:11px 22px !important; border:none; font-weight:700 !important;
    letter-spacing:0.03em; font-size:13.5px !important;
    transition:background .2s;
  }
  .cta-btn:hover{background:var(--orange-dark); border-color:transparent !important;}
  .burger{display:none; flex-direction:column; gap:5px; background:none; border:none; cursor:pointer; padding:4px;}
  .burger span{width:26px; height:3px; background:var(--white); display:block;}

  /* ---------------- HERO ---------------- */
  .hero{
    background: linear-gradient(135deg, var(--amber-soft) 0%, var(--terracotta-soft) 55%, #ffffff 100%);
    color:var(--ink);
    position:relative; overflow:hidden;
    padding:90px 0 70px;
  }
  .hero::before{
    content:"";
    position:absolute; top:0; left:0; right:0; bottom:0;
    background: repeating-linear-gradient(115deg, rgba(234,91,12,0.05) 0 2px, transparent 2px 46px);
    pointer-events:none;
  }
  .hero-grid{
    display:grid; grid-template-columns:1.15fr 0.85fr; gap:50px; align-items:center;
    position:relative;
  }
  .hero h1{
    font-size:clamp(42px, 6vw, 76px);
    margin-bottom:22px;
    color:var(--ink);
  }
  .hero h1 em{font-style:normal; color:var(--orange);}
  .hero p.lead{
    font-size:18px; color:#3a3f46; max-width:480px; margin-bottom:32px;
    font-weight:400;
  }
  .hero-actions{display:flex; gap:16px; flex-wrap:wrap;}
  .btn{
    display:inline-block; padding:15px 28px; font-weight:700; font-size:14.5px;
    text-transform:uppercase; letter-spacing:0.04em; cursor:pointer; border:2px solid transparent;
    transition:all .2s;
  }
  .btn-primary{background:var(--orange); color:var(--white);}
  .btn-primary:hover{background:var(--orange-dark);}
  .btn-ghost{border-color:var(--ink); color:var(--ink);}
  .btn-ghost:hover{border-color:var(--orange); color:var(--orange);}

  .hero-panel{
    background:var(--white); border:1px solid #ecdfc9; padding:34px;
    position:relative;
    box-shadow:0 18px 40px rgba(122,46,29,0.08);
  }
  .hero-panel::before{
    content:"FICHA TÉCNICA"; font-family:'IBM Plex Mono',monospace; font-size:11px;
    letter-spacing:0.12em; color:var(--orange); display:block; margin-bottom:18px; font-weight:600;
  }
  .spec-row{
    display:flex; justify-content:space-between; padding:13px 0;
    border-bottom:1px solid #eee2d0; font-size:14.5px;
  }
  .spec-row:last-child{border-bottom:none;}
  .spec-row .k{color:var(--steel);}
  .spec-row .v{font-family:'IBM Plex Mono',monospace; font-weight:600; color:var(--ink); text-align:right;}

  .stat-bar{
    display:flex; border-top:1px solid #e8d9bd; margin-top:60px; padding-top:34px;
    gap:0; position:relative;
  }
  .stat{flex:1; padding-right:24px;}
  .stat .num{font-family:'Big Shoulders Display'; font-weight:900; font-size:44px; color:var(--orange); line-height:1;}
  .stat .lbl{font-size:12.5px; color:#5c5346; text-transform:uppercase; letter-spacing:0.06em; margin-top:6px;}

  /* ---------------- SERVICIOS ---------------- */
  .section{padding:90px 0;}
  .section-head{max-width:640px; margin-bottom:52px;}
  .section-head h2{font-size:clamp(32px,4vw,48px); color:var(--ink);}
  .section-head p{color:var(--steel); font-size:16.5px; margin-top:14px;}

  .services-grid{display:grid; grid-template-columns:repeat(4,1fr); gap:2px; background:var(--zinc); border:2px solid var(--orange);}
  .service-card{
    background:var(--white); padding:34px 26px; transition:background .2s;
    display:flex; flex-direction:column;
  }
  .service-card:hover{background:#fff8f4;}
  .service-card .icon{width:42px; height:42px; margin-bottom:20px; color:var(--orange);}
  .service-card h3{font-size:19px; text-transform:none; letter-spacing:0; font-weight:700; font-family:'Inter'; margin-bottom:10px;}
  .service-card p{font-size:14.5px; color:var(--steel);}
  .service-photo{margin-top:auto; padding-top:24px;}
  .service-photo img{width:100%; height:auto; aspect-ratio:1/1; object-fit:cover; display:block;}
  /* ---------------- LA MAQUINA ---------------- */
  .machine{background: linear-gradient(180deg, #fff6ea 0%, var(--amber-soft) 100%); color:var(--ink); position:relative; overflow:hidden; border-top:1px solid #f0e0bd; border-bottom:1px solid #f0e0bd;}
  .machine .wrap{position:relative; z-index:2;}
  .machine-grid{display:grid; grid-template-columns:1fr 1fr; gap:60px; align-items:center;}
  .machine h2{font-size:clamp(32px,4vw,50px); margin-bottom:22px; color:var(--ink);}
  .machine h2 em{font-style:normal; color:var(--orange);}
  .machine p.body-txt{color:#4a4438; font-size:16.5px; margin-bottom:16px; max-width:480px;}
  .machine-specs{margin-top:28px; border-top:1px solid #e8d5ac;}
  .mspec{display:flex; gap:18px; padding:16px 0; border-bottom:1px solid #e8d5ac; align-items:flex-start;}
  .mspec .tag{
    font-family:'IBM Plex Mono'; font-size:11px; color:var(--orange-dark); font-weight:600;
    letter-spacing:0.08em; min-width:100px; padding-top:2px;
  }
  .mspec .txt{font-size:14.5px; color:#3a3529;}

  .machine-visual{position:relative;}
  .equipo-galeria{display:grid; grid-template-columns:repeat(3,1fr); gap:20px; margin-top:56px;}
  .equipo-galeria figure{margin:0;}
  .equipo-galeria img{width:100%; height:auto; aspect-ratio:4/3; object-fit:cover; display:block; box-shadow:0 10px 24px rgba(122,46,29,0.12);}
  .equipo-galeria figcaption{margin-top:10px; font-family:'IBM Plex Mono', monospace; font-size:11.5px; letter-spacing:0.06em; text-transform:uppercase; color:var(--orange-dark);}
  @media(max-width:720px){
    .equipo-galeria{grid-template-columns:1fr; gap:24px; margin-top:40px;}
  }

  /* ---------------- SEGURIDAD ---------------- */
  .safety{background:var(--zinc);}
  .safety-grid{display:grid; grid-template-columns:1fr 1fr; gap:56px; align-items:start;}
  .safety-copy p{color:var(--steel); font-size:16.5px; margin-bottom:18px;}
  .badge-list{display:flex; flex-direction:column; gap:14px; margin-top:26px;}
  .badge{display:flex; gap:14px; align-items:center; background:var(--white); padding:16px 18px; border-left:4px solid var(--orange);}
  .badge svg{width:26px; height:26px; color:var(--orange); flex-shrink:0;}
  .badge span{font-size:14.5px; font-weight:600;}
  .photo-grid{display:grid; grid-template-columns:1fr 1fr; gap:12px;}
  .photo-placeholder{
    aspect-ratio:4/3; background:repeating-linear-gradient(135deg, #d7dadc 0 2px, #cfd2d4 2px 12px);
    display:flex; align-items:center; justify-content:center; text-align:center; padding:16px;
    border:1px dashed var(--steel);
  }
  .photo-placeholder span{font-family:'IBM Plex Mono'; font-size:11.5px; color:var(--steel); text-transform:uppercase; letter-spacing:0.04em;}
  .photo-placeholder.tall{grid-column:span 2; aspect-ratio:16/7;}

  /* ---------------- HISTORIA (timeline) ---------------- */
  .timeline{position:relative; padding-left:0;}
  .tl-track{display:grid; grid-template-columns:repeat(3,1fr); gap:0; position:relative;}
  .tl-track::before{
    content:""; position:absolute; top:11px; left:0; right:0; height:2px; background:var(--zinc);
  }
  .tl-item{position:relative; padding:0 24px 0 0;}
  .tl-dot{width:24px; height:24px; border-radius:50%; background:var(--orange); border:4px solid var(--zinc-2); position:relative; z-index:2; margin-bottom:22px;}
  .tl-item h3{font-family:'IBM Plex Mono'; font-size:13px; color:var(--orange); letter-spacing:0.08em; margin-bottom:10px; text-transform:uppercase; font-weight:600;}
  .tl-item p{font-size:15.5px; color:var(--ink); max-width:320px;}
  
  .historia-grid{display:grid; grid-template-columns:minmax(240px,340px) 1fr; gap:56px; align-items:center;}
  .historia-foto{margin:0;}
  .historia-foto img{width:100%; height:auto; aspect-ratio:1/1; object-fit:cover; display:block; box-shadow:0 18px 40px rgba(122,46,29,0.14);}
  .historia-foto figcaption{margin-top:14px; font-size:14px; color:var(--steel); line-height:1.4;}
  .historia-foto figcaption strong{display:block; color:var(--ink); font-size:16px; font-weight:700;}
  @media(max-width:1100px){
    .historia-grid{grid-template-columns:1fr; gap:32px;}
    .historia-foto{max-width:340px;}
  }

  /* ---------------- TESTIMONIOS ---------------- */
  .testimonials{background: linear-gradient(180deg, #ffffff 0%, var(--terracotta-soft) 100%); color:var(--ink);}
  .test-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:2px; background:#f0d9c4; border:1px solid #f0d9c4;}
  .test-card{background:var(--white); padding:32px 28px; display:flex; flex-direction:column; min-height:220px;}
  .test-card .quote-mark{font-family:'Big Shoulders Display'; font-size:44px; color:var(--orange); line-height:0.5; margin-bottom:14px;}
  .test-card p.qt{font-size:15px; color:#4a4438; flex-grow:1; font-style:italic;}
  .test-card .who{margin-top:20px; padding-top:16px; border-top:1px solid #eee2d0; font-size:13px; color:var(--steel); font-family:'IBM Plex Mono'; letter-spacing:0.02em;}
  .test-card.pending{background:repeating-linear-gradient(135deg, #fbf5ea 0 2px, #f6ecdb 2px 14px);}
  .test-card.pending .qt{color:#8a7d63; font-style:normal;}

  /* ---------------- UBICACIONES ---------------- */
  .loc-banner{
    background:var(--white);
    text-align:center;
    padding:56px 24px 40px;
  }
  .loc-banner-logo{
    max-width:240px;
    width:32%;
    min-width:140px;
    margin:0 auto;
    height:auto;
  }
  .locations-grid{display:grid; grid-template-columns:1fr 1fr; gap:2px; background:var(--terracotta-soft);}
  .loc-card{background:var(--white); padding:36px; display:flex; flex-direction:column;}
  .loc-card .eyebrow{margin-bottom:18px;}
  .loc-card h3{font-family:'Inter'; text-transform:none; letter-spacing:0; font-size:22px; font-weight:700; margin-bottom:14px;}
  .loc-card .addr{font-size:14.5px; color:var(--steel); line-height:1.8;}
  .loc-card .addr strong{color:var(--ink); display:block; font-weight:600;}
    .loc-map{margin-top:auto; padding-top:24px;}
  .loc-map iframe{width:100%; height:260px; border:0; display:block;}

  /* ---------------- CONTACTO ---------------- */
  .contact{background:var(--zinc);}
  .contact-grid{display:grid; grid-template-columns:1fr 1fr; gap:60px; align-items:start;}
  .contact h2{font-size:clamp(30px,4vw,44px); margin-bottom:16px;}
  .contact p.lead2{color:var(--steel); font-size:16px; margin-bottom:24px; max-width:420px;}
  .form-box{background:var(--white); padding:36px; border-top:4px solid var(--orange);}
  .field{margin-bottom:18px;}
  .field label{display:block; font-size:12px; text-transform:uppercase; letter-spacing:0.06em; font-weight:600; color:var(--steel); margin-bottom:7px;}
  .field input, .field select, .field textarea{
    width:100%; border:1px solid #ccd0d3; padding:12px 14px; font-family:'Inter'; font-size:14.5px;
    background:var(--zinc-2);
  }
  .field textarea{resize:vertical; min-height:80px;}
  .field input:focus, .field select:focus, .field textarea:focus{outline:2px solid var(--orange); outline-offset:1px;}
  .captcha-row{
    display:flex; align-items:center; gap:14px; flex-wrap:wrap;
  }
  .captcha-question{
    font-family:'IBM Plex Mono', monospace;
    font-size:28px; font-weight:600; color:var(--ink);
    letter-spacing:0.01em;
  }
  .captcha-equals{
    font-family:'IBM Plex Mono', monospace;
    font-size:28px; font-weight:600; color:var(--steel);
  }
  .captcha-input{
    width:76px !important; flex:none !important;
    font-family:'IBM Plex Mono', monospace;
    font-size:26px !important; font-weight:700;
    text-align:center;
    padding:8px 6px !important;
  }
  .form-submit{width:100%; background:var(--ink); color:var(--white); border:none; padding:15px; font-weight:700; text-transform:uppercase; letter-spacing:0.04em; font-size:14.5px; cursor:pointer;}
  .form-submit:hover{background:var(--orange);}

  /* ---------------- FOOTER ---------------- */
  footer{background:var(--ink); color:var(--steel-light); padding:50px 0 26px;}
  .footer-grid{display:grid; grid-template-columns:1.4fr 1fr 1fr; gap:40px; padding-bottom:34px; border-bottom:1px solid #2a2e34;}
  .footer-logo{font-family:'Big Shoulders Display'; font-weight:900; font-size:24px; color:var(--white); margin-bottom:14px;}
  footer h4{font-size:12px; text-transform:uppercase; letter-spacing:0.08em; color:var(--white); margin-bottom:16px; font-weight:600;}
  footer .flinks{display:flex; flex-direction:column; gap:10px; font-size:14px;}
  .foot-bottom{display:flex; justify-content:space-between; padding-top:22px; font-size:12.5px; flex-wrap:wrap; gap:10px;}

  /* reveal animation */
  .reveal{opacity:0; transform:translateY(24px); transition:opacity .6s ease, transform .6s ease;}
  .reveal.in{opacity:1; transform:translateY(0);}
  @media (prefers-reduced-motion: reduce){
    .reveal{opacity:1; transform:none; transition:none;}
    html{scroll-behavior:auto;}
  }

  /* ---------------- CONCEPT BADGE ---------------- */
  .concept-tag{
    position:fixed; bottom:18px; right:18px; z-index:200;
    background:var(--ink); color:var(--zinc-2); font-family:'IBM Plex Mono';
    font-size:11px; letter-spacing:0.06em; padding:9px 14px; border-left:3px solid var(--orange);
    box-shadow:0 4px 14px rgba(0,0,0,0.25);
  }

  /* ---------------- VIDEO SALUDO ---------------- */
  .video-section{background:var(--white);}
  .video-wrap{max-width:820px; margin:0 auto; text-align:center;}
  .video-frame{
    position:relative; width:100%; aspect-ratio:16/9; background:#000;
    overflow:hidden; cursor:pointer; box-shadow:0 20px 44px rgba(122,46,29,0.14);
  }
  .video-frame img{width:100%; height:100%; object-fit:cover; display:block; transition:opacity .2s;}
  .video-frame:hover img{opacity:0.85;}
  .video-frame .play-btn{
    position:absolute; top:50%; left:50%; transform:translate(-50%,-50%);
    width:76px; height:76px; border-radius:50%; background:var(--orange);
    display:flex; align-items:center; justify-content:center;
    box-shadow:0 8px 24px rgba(0,0,0,0.35); transition:transform .2s, background .2s;
  }
  .video-frame:hover .play-btn{transform:translate(-50%,-50%) scale(1.08); background:var(--orange-dark);}
  .video-frame .play-btn svg{width:26px; height:26px; margin-left:4px;}
  .video-frame iframe{width:100%; height:100%; border:none; display:block;}

  .follow-row{
    display:flex; gap:16px; justify-content:center; align-items:center;
    margin-top:36px; flex-wrap:wrap;
  }
  .follow-label{
    font-family:'IBM Plex Mono'; font-size:12px; letter-spacing:0.1em; text-transform:uppercase;
    color:var(--steel); margin-right:6px;
  }
  .social-icon{
    width:42px; height:42px; border-radius:50%; background:var(--zinc-2);
    display:flex; align-items:center; justify-content:center; color:var(--ink);
    transition:background .2s, color .2s, transform .2s;
  }
  .social-icon svg{width:20px; height:20px;}
  .social-icon:hover{background:var(--orange); color:var(--white); transform:translateY(-2px);}

  footer .flinks .social-icon{background:#262d38;}
  footer .flinks-row{display:flex; gap:12px; margin-top:6px;}

  /* ---------------- RESPONSIVE ---------------- */
  @media(max-width:960px){
    .hero-grid, .machine-grid, .safety-grid, .contact-grid{grid-template-columns:1fr;}
    .services-grid{grid-template-columns:repeat(2,1fr);}
    .stat-bar{flex-wrap:wrap; gap:24px;}
    .stat{flex:0 0 45%;}
    .tl-track{grid-template-columns:1fr; gap:28px;}
    .tl-track::before{display:none;}
    .test-grid{grid-template-columns:1fr;}
    .locations-grid{grid-template-columns:1fr;}
    .footer-grid{grid-template-columns:1fr; gap:26px;}
  }
  @media(max-width:720px){
    .topbar{padding:16px 0;}
    .topbar-logo-img{height:38px;}
    .topbar-logo-text{font-size:22px;}
    .topbar-logo-text span{font-size:9px; margin-top:4px;}
    .navlinks{
      display:none;
      position:absolute; top:100%; left:0; right:0;
      background:var(--ink); flex-direction:column; gap:0;
      border-top:2px solid var(--orange);
      box-shadow:0 12px 20px rgba(0,0,0,0.3);
    }
    .navlinks.mobile-open{display:flex;}
    .navlinks a{
      width:100%; padding:16px 28px !important; border-bottom:1px solid #2a2e34;
    }
    .navlinks a.cta-btn{margin:14px 28px; width:calc(100% - 56px);}
    .burger{display:flex;}
    .burger.open span:nth-child(1){transform:translateY(8px) rotate(45deg);}
    .burger.open span:nth-child(2){opacity:0;}
    .burger.open span:nth-child(3){transform:translateY(-8px) rotate(-45deg);}
    .services-grid{grid-template-columns:1fr;}
    .photo-grid{grid-template-columns:1fr;}
    .photo-placeholder.tall{grid-column:span 1;}
    .loc-banner{padding:36px 24px 26px;}
    .loc-banner-logo{width:50%; max-width:170px; min-width:120px;}
  }