:root{
    --bg:#1c1a17;
    --bg-deep:#131110;
    --surface:#242019;
    --paper:#eeebe3;
    --paper-2:#f7f5ef;
    --ink:#1a1714;
    --cream:#f1ede3;
    --accent:#c2551e;
    --accent-hi:#e07a3d;
    --steel:#5f7b93;
    --line-d:rgba(241,237,227,0.15);
    --line-l:rgba(26,23,20,0.14);
    --font-display:'Oswald', 'Arial Narrow', sans-serif;
    --font-body:'Archivo', 'Helvetica Neue', Arial, sans-serif;
  }
  :root[data-theme="dark"]{ --bg:#1c1a17; }
  @media (prefers-color-scheme: dark){ :root:not([data-theme="light"]){ --bg:#1c1a17; } }

  *{box-sizing:border-box; margin:0; padding:0;}
  html{scroll-behavior:smooth; scroll-padding-top: calc(72px + env(safe-area-inset-top,0px));}
  body{
    background:var(--bg-deep);
    color:var(--cream);
    font-family:var(--font-body);
    line-height:1.55;
    -webkit-font-smoothing:antialiased;
    padding-top:env(safe-area-inset-top,0px);
    padding-bottom:env(safe-area-inset-bottom,0px);
    overflow-x:hidden;
  }
  img{max-width:100%; display:block;}
  a{color:inherit; text-decoration:none;}
  section{padding:88px 6vw;}
  @media (max-width:720px){ section{padding:64px 6vw;} }
  .wrap{max-width:1180px; margin:0 auto;}
  h1,h2,h3{font-family:var(--font-display); font-weight:600; letter-spacing:0.2px; line-height:1.1;}
  .light{background:var(--paper); color:var(--ink);}
  .dark{background:var(--bg); color:var(--cream);}
  .darker{background:var(--bg-deep); color:var(--cream);}
  .kicker{
    font-family:var(--font-display);
    font-size:13px;
    letter-spacing:0.14em;
    text-transform:uppercase;
    color:var(--accent-hi);
    margin-bottom:14px;
  }
  .light .kicker{color:var(--accent);}
  .section-title{font-size:clamp(28px,3.4vw,42px); max-width:640px;}
  .section-lede{max-width:520px; font-size:16px; opacity:0.82; margin-top:14px;}

  /* header */
  header{
    position:sticky; top:0; z-index:50;
    background:rgba(19,17,16,0.86);
    backdrop-filter:blur(10px);
    border-bottom:1px solid var(--line-d);
    padding-top:env(safe-area-inset-top,0px);
  }
  .nav-inner{
    max-width:1180px; margin:0 auto; padding:16px 6vw;
    display:flex; align-items:center; justify-content:space-between; gap:24px;
  }
  .brand{display:flex; align-items:center;}
  .brand-plate{background:var(--paper-2); padding:7px 12px; display:flex; align-items:center;}
  .brand-plate img{height:30px; width:auto; display:block;}
  @media (max-width:420px){ .brand-plate img{height:24px;} }
  nav.links{display:flex; gap:26px; font-size:14px;}
  nav.links a{opacity:0.78; transition:opacity .15s ease;}
  nav.links a:hover{opacity:1;}
  .nav-cta{
    font-size:13px; font-weight:600; padding:10px 18px; border:1px solid var(--accent);
    color:var(--cream); white-space:nowrap;
  }
  .nav-cta:hover{background:var(--accent);}
  .menu-btn{display:none; background:none; border:none; color:var(--cream); font-size:26px; line-height:1; cursor:pointer;}
  @media (max-width:880px){
    nav.links{display:none;}
    .nav-cta{display:none;}
    .menu-btn{display:block;}
  }
  #mobile-nav{display:none; flex-direction:column; border-top:1px solid var(--line-d); padding:8px 6vw 18px;}
  #mobile-nav.open{display:flex;}
  #mobile-nav a{padding:12px 0; border-bottom:1px solid var(--line-d); font-size:15px;}
  #mobile-nav a:last-child{border-bottom:none;}

  /* hero */
  .hero{position:relative; padding-top:110px; padding-bottom:110px; overflow:hidden;}
  .hero::before{
    content:""; position:absolute; inset:0;
    background: radial-gradient(ellipse 60% 55% at 82% 30%, rgba(194,85,30,0.22), transparent 70%);
    pointer-events:none;
  }
  .hero-grid{display:grid; grid-template-columns:1.25fr 0.9fr; gap:48px; align-items:center; position:relative;}
  @media (max-width:880px){ .hero-grid{grid-template-columns:1fr;} .hero-art{order:-1; max-width:280px; margin:0 auto;} }
  .hero h1{font-size:clamp(32px,4.6vw,58px); max-width:15ch;}
  .hero p{margin-top:22px; max-width:46ch; font-size:17px; opacity:0.84;}
  .cta-row{display:flex; gap:14px; margin-top:34px; flex-wrap:wrap;}
  .btn{
    display:inline-flex; align-items:center; justify-content:center; gap:8px;
    padding:14px 26px; font-size:14px; font-weight:600; font-family:var(--font-body);
    border:1px solid transparent; cursor:pointer; white-space:nowrap;
  }
  .btn-primary{background:var(--accent); color:#fff;}
  .btn-primary:hover{background:var(--accent-hi);}
  .btn-ghost{border-color:var(--line-d); color:var(--cream);}
  .btn-ghost:hover{border-color:var(--cream);}
  .light .btn-ghost{border-color:var(--line-l); color:var(--ink);}
  .light .btn-ghost:hover{border-color:var(--ink);}

  /* nosotros */
  .nosotros-grid{display:grid; grid-template-columns:0.8fr 1.2fr; gap:64px; align-items:start;}
  @media (max-width:780px){ .nosotros-grid{grid-template-columns:1fr; gap:36px;} }
  .stat-num{font-family:var(--font-display); font-size:clamp(64px,8vw,104px); font-weight:700; color:var(--accent); line-height:0.9;}
  .stat-label{margin-top:10px; font-size:14px; max-width:22ch; opacity:0.75;}
  .nosotros-logo{margin-top:28px; max-width:220px;}
  .nosotros-logo img{width:100%; height:auto; display:block;}
  .nosotros-copy p{font-size:16.5px; max-width:60ch; opacity:0.86;}
  .nosotros-copy p + p{margin-top:16px;}

  /* productos */
  .cat-grid{margin-top:48px; display:grid; grid-template-columns:repeat(3,1fr); border-top:1px solid var(--line-l); border-left:1px solid var(--line-l);}
  @media (max-width:880px){ .cat-grid{grid-template-columns:repeat(2,1fr);} }
  @media (max-width:560px){ .cat-grid{grid-template-columns:1fr;} }
  .cat-cell{border-right:1px solid var(--line-l); border-bottom:1px solid var(--line-l); padding:30px 26px; min-height:168px; display:flex; flex-direction:column; justify-content:space-between;}
  .cat-cell svg{width:26px; height:26px; color:var(--accent); flex:none;}
  .cat-cell h3{font-size:18px; margin-top:20px;}
  .cat-cell p{font-size:14px; opacity:0.7; margin-top:8px; max-width:32ch;}

  /* soluciones */
  .flow{margin-top:52px; display:grid; grid-template-columns:repeat(6,1fr); gap:0;}
  @media (max-width:960px){ .flow{grid-template-columns:repeat(3,1fr); gap:28px 0;} }
  @media (max-width:560px){ .flow{grid-template-columns:1fr; gap:0;} }
  .flow-step{position:relative; padding:0 18px 0 0; border-right:1px solid var(--line-d);}
  .flow-step:last-child{border-right:none;}
  @media (max-width:960px){ .flow-step{border-right:none; border-bottom:1px solid var(--line-d); padding:0 0 24px 0;} .flow-step:nth-child(3n){border-right:none;} }
  .flow-num{font-family:var(--font-display); font-size:15px; color:var(--accent-hi); font-weight:600;}
  .flow-step h3{font-size:15.5px; margin-top:12px; max-width:16ch;}

  /* industrias */
  .tag-row{margin-top:44px; display:flex; flex-wrap:wrap; gap:14px;}
  .tag{border:1px solid var(--line-l); padding:14px 22px; font-size:15px; font-weight:600; display:flex; align-items:center; gap:10px;}
  .tag svg{width:16px; height:16px; color:var(--steel);}

  /* cobertura */
  .cov-grid{display:grid; grid-template-columns:1fr 1fr; gap:56px; align-items:center;}
  @media (max-width:880px){ .cov-grid{grid-template-columns:1fr; gap:36px;} }
  .cov-list{margin-top:26px; display:flex; flex-wrap:wrap; gap:10px;}
  .cov-chip{border:1px solid var(--line-d); padding:9px 16px; font-size:13.5px; font-weight:500;}
  .cov-note{margin-top:22px; font-size:14px; opacity:0.72; max-width:44ch;}
  .map-svg{width:100%; height:auto;}

  /* por que */
  .why-grid{margin-top:48px; display:grid; grid-template-columns:repeat(4,1fr); gap:0; border-top:1px solid var(--line-l);}
  @media (max-width:880px){ .why-grid{grid-template-columns:repeat(2,1fr);} }
  @media (max-width:560px){ .why-grid{grid-template-columns:1fr;} }
  .why-cell{padding:30px 24px 30px 0; border-right:1px solid var(--line-l);}
  .why-cell:last-child{border-right:none;}
  @media (max-width:880px){ .why-cell:nth-child(2n){border-right:none;} }
  .why-cell .n{font-family:var(--font-display); font-size:13px; color:var(--accent); letter-spacing:0.08em;}
  .why-cell h3{font-size:17px; margin-top:14px; max-width:20ch;}
  .why-cell p{font-size:14px; opacity:0.72; margin-top:10px; max-width:30ch;}

  .info-grid{margin-top:48px; display:grid; grid-template-columns:repeat(3,1fr); gap:0; border-top:1px solid var(--line-d);}
  @media (max-width:720px){ .info-grid{grid-template-columns:1fr;} }
  .info-cell{padding:30px 24px 30px 0; border-right:1px solid var(--line-d);}
  .info-cell:last-child{border-right:none;}
  .info-cell svg{width:24px; height:24px; color:var(--accent-hi);}
  .info-cell h3{font-size:17px; margin-top:16px; max-width:20ch;}
  .info-cell p{font-size:14px; opacity:0.72; margin-top:10px; max-width:32ch;}

  /* contacto */
  .contact-grid{display:grid; grid-template-columns:0.85fr 1.15fr; gap:56px;}
  @media (max-width:880px){ .contact-grid{grid-template-columns:1fr; gap:40px;} }
  .contact-info p{font-size:15px; opacity:0.78; max-width:38ch; margin-top:14px;}
  .contact-actions{margin-top:28px; display:flex; flex-direction:column; gap:12px; align-items:flex-start;}
  .whatsapp-note{font-size:12.5px; opacity:0.55; margin-top:8px; max-width:36ch;}
  form{display:grid; gap:16px;}
  form[hidden]{display:none;}
  .form-row{display:grid; grid-template-columns:1fr 1fr; gap:16px;}
  @media (max-width:520px){ .form-row{grid-template-columns:1fr;} }
  label{font-size:12.5px; text-transform:uppercase; letter-spacing:0.06em; opacity:0.6; display:block; margin-bottom:7px;}
  input, select, textarea{
    width:100%; background:transparent; border:none; border-bottom:1px solid var(--line-d);
    color:var(--cream); font-family:var(--font-body); font-size:15px; padding:9px 2px; outline:none;
  }
  input:focus, select:focus, textarea:focus{border-bottom-color:var(--accent-hi);}
  select option{background:var(--bg);}
  textarea{resize:vertical; min-height:70px;}
  .form-err{font-size:12.5px; color:var(--accent-hi); min-height:16px; margin-top:-6px;}
  .hp-field{position:absolute; left:-9999px; width:1px; height:1px; opacity:0;}
  .form-submit[disabled]{opacity:0.6; cursor:default;}
  .form-success{
    display:flex; align-items:flex-start; gap:16px;
    padding:28px; border:1px solid var(--line-d); background:rgba(194,85,30,0.08);
  }
  .form-success[hidden]{display:none;}
  .form-success svg{width:30px; height:30px; color:var(--accent-hi); flex:none; margin-top:2px;}
  .form-success p{font-size:16px; opacity:0.92; max-width:44ch;}
  .form-submit{margin-top:6px;}

  footer{padding:44px 6vw; border-top:1px solid var(--line-d); background:var(--bg-deep);}
  .footer-row{max-width:1180px; margin:0 auto; display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:16px; font-size:13px; opacity:0.6;}
  .footer-logo{background:var(--paper-2); padding:6px 10px; display:inline-flex; align-items:center;}
  .footer-logo img{height:22px; width:auto; display:block;}

  a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible{outline:2px solid var(--accent-hi); outline-offset:2px;}
  @media (prefers-reduced-motion: reduce){ html{scroll-behavior:auto;} * {transition:none !important;} }