:root{
    --ink:#0B0B0C;          /* fondo base casi negro */
    --panel:#141519;        /* paneles */
    --panel-2:#1B1D22;      /* paneles elevados */
    --line:#2A2D34;         /* bordes */
    --white:#F5F4F2;        /* texto principal */
    --muted:#9AA0A9;        /* texto secundario */
    --arc:#008838;          /* azul arco (soldadura) */
    --arc-soft:#12A651;
    --spark:#FF6A2C;        /* naranja chispa (oxicorte) */
    --wa:#25D366;           /* WhatsApp */
    --wa-dark:#1EB558;
    --maxw:1180px;
    --radius:14px;
  }

  *{box-sizing:border-box;margin:0;padding:0}
  html{scroll-behavior:smooth}
  body{
    background:var(--ink);
    color:var(--white);
    font-family:'Inter',system-ui,sans-serif;
    line-height:1.55;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
  }
  a{color:inherit;text-decoration:none}
  img{max-width:100%;display:block}
  .wrap{max-width:var(--maxw);margin:0 auto;padding:0 20px}

  .eyebrow{
    font-family:'IBM Plex Mono',monospace;
    font-size:12px;letter-spacing:.18em;text-transform:uppercase;
    color:var(--arc-soft);
  }
  h1,h2,h3{font-family:'Archivo',sans-serif;line-height:1.02;letter-spacing:-.01em}

  /* ---------- HEADER ---------- */
  .hdr{
    position:sticky;top:0;z-index:50;
    background:rgba(11,11,12,.82);
    backdrop-filter:blur(10px);
    border-bottom:1px solid var(--line);
  }
  .hdr-in{display:flex;align-items:center;justify-content:space-between;height:64px}
  .brand{display:flex;flex-direction:column;line-height:1}
  .brand .name{font-family:'Archivo',sans-serif;font-weight:900;font-size:22px;letter-spacing:-.02em}
  .brand .name span{color:var(--arc-soft)}
  .brand .sub{font-family:'IBM Plex Mono',monospace;font-size:9.5px;letter-spacing:.22em;color:var(--muted);text-transform:uppercase;margin-top:3px}
  .logo-pic{display:block;height:40px;width:auto}
  .ftr .logo-pic{height:54px}

  .nav{display:none;gap:26px;align-items:center}
  .nav a{font-size:14px;color:var(--muted);font-weight:500;transition:color .18s}
  .nav a:hover{color:var(--white)}

  .hdr-cta{display:flex;align-items:center;gap:10px}
  .wa-pill{
    display:inline-flex;align-items:center;gap:7px;
    background:var(--wa);color:#04310f;font-weight:700;font-size:13.5px;
    padding:9px 15px;border-radius:999px;transition:background .18s;
  }
  .wa-pill:hover{background:var(--wa-dark);color:#fff}
  .wa-pill svg{width:16px;height:16px}

  .burger{display:flex;flex-direction:column;gap:4px;background:none;border:0;cursor:pointer;padding:8px}
  .burger span{width:22px;height:2px;background:var(--white);border-radius:2px;transition:.2s}

  .mobile-nav{
    display:none;flex-direction:column;gap:2px;
    background:var(--panel);border-bottom:1px solid var(--line);padding:8px 20px 16px;
  }
  .mobile-nav.open{display:flex}
  .mobile-nav a{padding:11px 4px;font-size:15px;color:var(--white);border-bottom:1px solid var(--line)}
  .mobile-nav a:last-child{border-bottom:0}

  /* ---------- HERO ---------- */
  .hero{position:relative;min-height:82vh;display:flex;align-items:flex-end;overflow:hidden}
  /* Fondo duotono (azul arco + naranja chispa) mientras se sube la foto real.
     Para poner la imagen: reemplaza este .hero-media por
     <img class="hero-media" src="hero-oxilife.webp" alt=""> y conserva el scrim. */
  .hero-media{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:60% 42%}
  .hero-scrim{position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,11,12,.15) 0%,rgba(11,11,12,.5) 52%,rgba(11,11,12,.96) 100%),linear-gradient(90deg,rgba(11,11,12,.9) 0%,rgba(11,11,12,.35) 55%,rgba(11,11,12,.05) 100%)}
  .hero-in{position:relative;z-index:2;padding:64px 0 54px;max-width:660px}
  .hero h1{font-family:'Anton',sans-serif;font-weight:400;text-transform:uppercase;font-size:clamp(46px,11vw,84px);letter-spacing:.01em;margin:14px 0 8px;line-height:.94}
  .hero h1 .amp{color:var(--spark);font-weight:800}
  .hero .loc{
    font-family:'IBM Plex Mono',monospace;font-size:14px;letter-spacing:.1em;
    color:var(--arc-soft);text-transform:uppercase;
  }
  .hero p.lead{font-size:clamp(16px,4.2vw,19px);color:var(--white);opacity:.9;margin:18px 0 26px;max-width:520px}
  .hero-btns{display:flex;flex-wrap:wrap;gap:12px}
  .btn{display:inline-flex;align-items:center;gap:9px;font-weight:700;font-size:15px;padding:14px 22px;border-radius:12px;transition:.18s;cursor:pointer}
  .btn svg{width:18px;height:18px}
  .btn-wa{background:var(--wa);color:#04310f}
  .btn-wa:hover{background:var(--wa-dark);color:#fff;transform:translateY(-1px)}
  .btn-ghost{background:transparent;color:var(--white);border:1px solid var(--line)}
  .btn-ghost:hover{border-color:var(--arc);color:var(--arc-soft)}

  .hero-strip{
    position:relative;z-index:2;border-top:1px solid var(--line);
    background:rgba(11,11,12,.6);
  }
  .hero-strip .wrap{display:flex;flex-wrap:wrap;gap:10px 30px;padding:19px 20px}
  .hero-strip span{font-family:'IBM Plex Mono',monospace;font-size:14.5px;color:var(--muted);display:flex;align-items:center;gap:9px}
  .hero-strip span b{color:var(--white);font-weight:600}
  .dot{width:6px;height:6px;border-radius:50%;background:var(--spark)}

  /* ---------- MARCAS ---------- */
  .marcas{border-bottom:1px solid var(--line);background:var(--ink)}
  .marcas .wrap{padding:26px 20px;display:flex;flex-wrap:wrap;align-items:center;gap:14px 26px}
  .marca-auth{display:flex;align-items:center;gap:10px}
  .marca-auth .tag{font-family:'IBM Plex Mono',monospace;font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--arc-soft);border:1px solid var(--arc);border-radius:6px;padding:5px 9px}
  .marca-auth b{font-family:'Archivo',sans-serif;font-weight:900;font-size:20px}
  .marca-sep{width:1px;height:26px;background:var(--line)}
  .marca-list{display:flex;flex-wrap:wrap;gap:6px 18px;align-items:center;color:var(--muted);font-size:14px}
  .marca-list .lbl{font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:#6b7079}
  .marca-list b{color:var(--white);font-weight:600;font-family:'Archivo',sans-serif}

  /* ---------- SECCIÓN GENÉRICA ---------- */
  .sec{padding:66px 0}
  .sec-head{max-width:640px;margin-bottom:34px}
  .sec-head h2{font-size:clamp(28px,6vw,40px);font-weight:800;margin:12px 0 10px}
  .sec-head p{color:var(--muted);font-size:16px}

  /* ---------- LÍNEAS ---------- */
  .lineas-grid{display:grid;grid-template-columns:1fr;gap:14px}
  .linea{
    position:relative;display:flex;flex-direction:column;gap:12px;
    background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
    padding:22px;transition:.2s;
  }
  .linea:hover{border-color:var(--arc);transform:translateY(-2px);background:var(--panel-2)}
  .linea .ico{width:40px;height:40px;color:var(--arc-soft)}
  .linea .ico svg{width:100%;height:100%;stroke-width:1.6}
  .linea h3{font-size:19px;font-weight:800}
  .linea p{color:var(--muted);font-size:14px;flex:1}
  .linea .go{font-family:'IBM Plex Mono',monospace;font-size:12px;letter-spacing:.08em;color:var(--arc-soft);display:flex;align-items:center;gap:7px;text-transform:uppercase}
  .linea:hover .go{color:var(--spark)}
  .linea .num{position:absolute;top:18px;right:20px;font-family:'IBM Plex Mono',monospace;font-size:12px;color:#4b4f57}

  /* ---------- PRECIOS ---------- */
  .precios{background:var(--panel)}
  .precios-grid{display:grid;grid-template-columns:1fr;gap:2px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
  .precio{display:flex;justify-content:space-between;align-items:center;gap:16px;background:var(--ink);padding:18px 20px}
  .precio .p-name{font-size:15px;font-weight:500}
  .precio .p-name small{display:block;color:var(--muted);font-size:12.5px;font-weight:400;margin-top:2px}
  .precio .p-val{font-family:'IBM Plex Mono',monospace;font-weight:600;font-size:20px;color:var(--spark);white-space:nowrap}
  .precio .p-val small{color:var(--muted);font-size:11px;font-weight:400}
  .precios-note{font-family:'IBM Plex Mono',monospace;font-size:12px;color:var(--muted);margin-top:16px;display:flex;align-items:center;gap:8px}

  /* ---------- POR QUÉ ---------- */
  .porque{background:var(--ink)}
  .val-grid{display:grid;grid-template-columns:1fr;gap:14px}
  .val{display:flex;gap:14px;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:20px}
  .val .vico{width:30px;height:30px;flex-shrink:0;color:var(--spark)}
  .val .vico svg{width:100%;height:100%;stroke-width:1.7}
  .val h3{font-size:16px;font-weight:700;margin-bottom:4px}
  .val p{color:var(--muted);font-size:14px}
  .resenas{margin-top:26px;display:flex;flex-wrap:wrap;align-items:center;gap:14px;background:var(--panel-2);border:1px solid var(--line);border-radius:var(--radius);padding:20px}
  .resenas .stars{color:#FBBF24;font-size:20px;letter-spacing:2px}
  .resenas p{flex:1;min-width:180px;color:var(--muted);font-size:14px}
  .resenas b{color:var(--white)}

  /* ---------- CANALES ---------- */
  .canales{background:var(--panel)}
  .canales .wrap{text-align:center}
  .canales .lbl{font-family:'IBM Plex Mono',monospace;font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}
  .chan-btns{display:flex;flex-wrap:wrap;justify-content:center;gap:12px;margin-top:18px}
  .chan{display:inline-flex;align-items:center;gap:9px;background:var(--ink);border:1px solid var(--line);border-radius:12px;padding:14px 22px;font-weight:600;font-size:15px;transition:.18s}
  .chan:hover{border-color:var(--arc);color:var(--arc-soft)}

  /* ---------- CONTACTO ---------- */
  .contacto{background:var(--ink)}
  .cont-grid{display:grid;grid-template-columns:1fr;gap:22px}
  .cont-info h2{font-size:clamp(26px,6vw,36px);font-weight:800;margin-bottom:18px}
  .cont-row{display:flex;gap:12px;padding:13px 0;border-bottom:1px solid var(--line);font-size:15px}
  .cont-row .ci{width:20px;height:20px;color:var(--arc-soft);flex-shrink:0;margin-top:2px}
  .cont-row .ci svg{width:100%;height:100%;stroke-width:1.7}
  .cont-row b{display:block;font-weight:600;margin-bottom:1px}
  .cont-row span{color:var(--muted)}
  .cont-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
  .map-embed{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;min-height:300px}
  .map-embed iframe{width:100%;height:100%;min-height:300px;border:0;filter:grayscale(.25) contrast(1.05)}

  /* ---------- FOOTER ---------- */
  .ftr{background:#070708;border-top:1px solid var(--line);padding:44px 0 30px}
  .ftr-top{display:grid;grid-template-columns:1fr;gap:26px;margin-bottom:30px}
  .ftr .brand .name{font-size:24px}
  .ftr-col h4{font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-bottom:12px}
  .ftr-col a{display:block;color:var(--muted);font-size:14px;padding:5px 0;transition:color .15s}
  .ftr-col a:hover{color:var(--white)}
  .ftr-bot{border-top:1px solid var(--line);padding-top:20px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;align-items:center}
  .ftr-bot p{color:#5b5f67;font-size:13px;font-family:'IBM Plex Mono',monospace}
  .ftr-social{display:flex;gap:10px}
  .ftr-social a{width:36px;height:36px;border:1px solid var(--line);border-radius:8px;display:flex;align-items:center;justify-content:center;color:var(--muted);transition:.18s}
  .ftr-social a:hover{border-color:var(--arc);color:var(--arc-soft)}
  .ftr-social svg{width:18px;height:18px}

  /* ---------- FLOATING WA ---------- */
  .wa-float{position:fixed;bottom:20px;right:20px;z-index:60;width:58px;height:58px;border-radius:50%;background:var(--wa);display:flex;align-items:center;justify-content:center;box-shadow:0 8px 24px rgba(37,211,102,.4);transition:.2s}
  .wa-float:hover{transform:scale(1.06)}
  .wa-float svg{width:30px;height:30px}

  /* ---------- DESKTOP ---------- */
  @media(min-width:820px){
    .nav{display:flex}
    .burger{display:none}
    .lineas-grid{grid-template-columns:repeat(3,1fr)}
    .precios-grid{grid-template-columns:1fr 1fr}
    .val-grid{grid-template-columns:1fr 1fr}
    .cont-grid{grid-template-columns:1fr 1fr}
    .ftr-top{grid-template-columns:1.4fr 1fr 1fr}
    .hero-in{padding:90px 0 70px}
  }
  @media(min-width:1024px){
    .lineas-grid{grid-template-columns:repeat(4,1fr)}
  }
  @media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}

  /* ===== PÁGINAS DE LÍNEA ===== */
  .hero--page{min-height:60vh}
  .hero--page .hero-in{max-width:720px}
  .breadcrumb{font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
  .breadcrumb a{color:var(--muted)} .breadcrumb a:hover{color:var(--arc-soft)}

  /* dos columnas productos / servicios */
  .two{display:grid;grid-template-columns:1fr;gap:18px}
  .panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:26px}
  .panel h2{font-family:'Archivo',sans-serif;font-size:21px;font-weight:800;margin-bottom:16px}
  .ilist{list-style:none;display:grid;gap:11px}
  .ilist li{display:flex;gap:11px;align-items:flex-start;font-size:15px;color:var(--white)}
  .ilist li::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--arc-soft);margin-top:8px;flex-shrink:0}
  .slist li::before{content:"✓";width:auto;height:auto;background:none;color:var(--arc-soft);font-weight:800;margin-top:0;font-size:14px}

  /* aplicaciones (hielo seco) */
  .apps{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
  .app{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:16px 14px;font-size:14px;display:flex;align-items:center;gap:10px}
  .app::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--arc-soft);flex-shrink:0}

  /* featured (imagen + texto) */
  .feature{display:grid;grid-template-columns:1fr;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;margin-top:20px}
  .feature img{width:100%;height:100%;object-fit:cover;min-height:240px}
  .feature .fbody{padding:26px;background:var(--panel)}
  .feature .fbody h3{font-size:19px;font-weight:800;margin-bottom:8px}
  .feature .fbody p{color:var(--muted);font-size:14px}

  /* promo badge */
  .promo{display:flex;gap:16px;align-items:center;background:linear-gradient(90deg,rgba(0,136,56,.14),rgba(0,136,56,.02));border:1px solid var(--arc);border-radius:var(--radius);padding:20px 24px;margin-top:20px}
  .promo .pb{font-family:'Anton',sans-serif;font-size:40px;color:var(--arc-soft);line-height:.9;flex-shrink:0}
  .promo .pt{font-weight:700;font-size:16px}
  .promo small{display:block;color:var(--muted);font-weight:400;font-size:12.5px;margin-top:3px}

  /* nota factual */
  .note{background:var(--panel-2);border:1px solid var(--line);border-left:3px solid var(--arc);border-radius:10px;padding:16px 20px;color:var(--muted);font-size:13.5px;margin-top:20px}

  /* marcas con chips blancos */
  .brands{background:var(--panel-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
  .brands .wrap{padding:30px 20px;text-align:center}
  .brands-head{display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:10px}
  .brands-head .tag{font-family:'IBM Plex Mono',monospace;font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--arc-soft);border:1px solid var(--arc);border-radius:6px;padding:5px 9px}
  .brands-head b{font-family:'Archivo',sans-serif;font-weight:900;font-size:18px}
  .brands-head .lbl{color:var(--muted);font-size:13px}
  .brand-row{display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:12px;margin-top:20px}
  .brand-chip{background:#fff;border-radius:10px;height:58px;min-width:92px;padding:9px 16px;display:flex;align-items:center;justify-content:center}
  .brand-chip img{max-height:36px;max-width:118px;width:auto;object-fit:contain}

  /* CTA band */
  .ctaband{background:linear-gradient(90deg,rgba(0,136,56,.12),rgba(11,11,12,0));border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
  .ctaband .wrap{padding:48px 20px;text-align:center}
  .ctaband h2{font-family:'Archivo',sans-serif;font-size:clamp(24px,5vw,32px);font-weight:800;max-width:720px;margin:0 auto 22px}
  .ctaband .btn{margin:0 auto}

  @media(min-width:820px){
    .two{grid-template-columns:1.15fr 1fr}
    .apps{grid-template-columns:repeat(4,1fr)}
    .feature{grid-template-columns:1fr 1fr}
  }

  .sub2{font-size:.58em;vertical-align:baseline;position:relative;top:.08em}