:root{
    --bg: #ffffff;
    --bg-alt: #f6f4ee;
    --panel: #f1efe6;
    --ink: #0b0b0b;
    --ink-dim: rgba(11,11,11,0.64);
    --ink-faint: rgba(11,11,11,0.45);
    --olive: #635629;
    --gold: #baa046;
    --dark: #0b0b0b;
    --cream: #f4ecd8;
    --cream-dim: rgba(244,236,216,0.72);
    --line: rgba(11,11,11,0.12);
    --line-strong: rgba(11,11,11,0.28);
    --gold-line: rgba(186,160,70,0.4);
    --max: 1180px;
    --radius: 2px;
  }

  *{box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    margin:0;
    background:var(--bg);
    color:var(--ink);
    font-family:'Inter', -apple-system, sans-serif;
    font-size:16px;
    line-height:1.6;
    -webkit-font-smoothing:antialiased;
  }
  h1,h2,h3,h4{
    font-family:'Space Grotesk', sans-serif;
    margin:0;
    letter-spacing:-0.01em;
  }
  p{margin:0;}
  a{color:inherit; text-decoration:none;}
  ul{margin:0; padding:0; list-style:none;}
  img,svg{display:block; max-width:100%;}
  button{font-family:inherit; cursor:pointer;}

  .eyebrow{
    font-family:'IBM Plex Mono', monospace;
    font-size:0.72rem;
    letter-spacing:0.18em;
    text-transform:uppercase;
    color:var(--olive);
  }
  .on-dark .eyebrow{ color:var(--gold); }

  .wrap{
    max-width:var(--max);
    margin:0 auto;
    padding:0 28px;
  }

  a:focus-visible, button:focus-visible{
    outline:2px solid var(--olive);
    outline-offset:3px;
  }

  @media (prefers-reduced-motion: reduce){
    *{animation-duration:0.001ms !important; animation-iteration-count:1 !important; transition-duration:0.001ms !important;}
  }

  .grad-text{
    background:linear-gradient(90deg, var(--ink) 0%, var(--olive) 55%, var(--gold) 100%);
    -webkit-background-clip:text;
    background-clip:text;
    color:transparent;
  }

  /* ---------- NAV ---------- */
  header{
    position:sticky; top:0; z-index:50;
    background:rgba(255,255,255,0.9);
    backdrop-filter:blur(10px);
    border-bottom:1px solid var(--line);
  }
  .navbar{
    display:flex; align-items:center; justify-content:space-between;
    padding:14px 28px;
    max-width:var(--max); margin:0 auto;
  }
  .brand{
    display:flex; align-items:center; gap:10px;
  }
  .brand img{ height:26px; width:auto; }
  nav.links{
    display:flex; gap:32px;
    font-size:0.88rem;
    color:var(--ink-dim);
  }
  nav.links a{ transition:color 0.2s; }
  nav.links a:hover{ color:var(--olive); }
  .nav-cta{
    display:inline-flex; align-items:center; gap:8px;
    font-family:'IBM Plex Mono', monospace;
    font-size:0.78rem;
    letter-spacing:0.04em;
    color:#fff;
    background:var(--ink);
    padding:10px 18px;
    border-radius:var(--radius);
    transition:background 0.2s;
  }
  .nav-cta:hover{ background:var(--olive); }

  .nav-toggle{
    display:none;
    align-items:center; justify-content:center;
    width:40px; height:40px; flex:none;
    background:transparent;
    border:1px solid var(--line-strong);
    border-radius:var(--radius);
    color:var(--ink);
  }
  .nav-toggle svg{ width:20px; height:20px; }
  .nav-toggle .icon-close{ display:none; }
  .nav-toggle[aria-expanded="true"] .icon-open{ display:none; }
  .nav-toggle[aria-expanded="true"] .icon-close{ display:block; }

  .mobile-menu{
    display:none;
    flex-direction:column;
    background:var(--bg);
    border-top:1px solid var(--line);
  }
  .mobile-menu a{
    padding:16px 28px;
    border-bottom:1px solid var(--line);
    font-size:0.95rem;
    color:var(--ink-dim);
  }
  .mobile-menu a:hover{ color:var(--olive); }
  .mobile-menu .nav-cta{
    margin:18px 28px; justify-content:center;
    border-bottom:none;
    color:#fff;
  }
  .mobile-menu.open{ display:flex; }
  @media (min-width:881px){
    .mobile-menu{ display:none !important; }
  }

  /* ---------- UTILITY BAR ---------- */
  .util-bar{
    background:var(--dark);
    color:var(--cream-dim);
  }
  .util-bar-inner{
    display:flex; align-items:center; justify-content:space-between;
    gap:16px; flex-wrap:wrap;
    padding:9px 28px;
  }
  .util-links{ display:flex; align-items:center; gap:24px; }
  .util-link{
    display:inline-flex; align-items:center; gap:7px;
    font-family:'IBM Plex Mono', monospace;
    font-size:0.72rem; letter-spacing:0.01em;
    color:var(--cream-dim);
    transition:color 0.2s;
  }
  .util-link:hover{ color:var(--gold); }
  .util-link svg{ flex:none; }
  .util-social{ display:flex; align-items:center; gap:10px; }
  .icon-btn{
    display:inline-flex; align-items:center; justify-content:center;
    width:26px; height:26px;
    color:var(--cream-dim);
    transition:color 0.2s;
  }
  .icon-btn:hover{ color:var(--gold); }
  .icon-btn svg{ width:15px; height:15px; }

  /* ---------- HERO ---------- */
  .hero{
    position:relative;
    padding:80px 0 0;
    overflow:hidden;
  }
  .hero-diagram{
    position:absolute;
    inset:0;
    width:100%; height:100%;
    opacity:0.9;
  }
  .hero-grid{
    position:absolute; inset:0;
    background-image:
      linear-gradient(rgba(11,11,11,0.035) 1px, transparent 1px),
      linear-gradient(90deg, rgba(11,11,11,0.035) 1px, transparent 1px);
    background-size:42px 42px;
    mask-image:linear-gradient(to bottom, black, transparent 88%);
  }
  .hero-inner{
    position:relative; z-index:2;
    max-width:var(--max); margin:0 auto; padding:64px 28px 90px;
  }
  .hero-logo{
    width:min(360px, 60vw);
    height:auto;
    margin-bottom:34px;
  }
  .hero h1{
    font-size:clamp(2.3rem, 5.4vw, 4rem);
    font-weight:700;
    line-height:1.06;
    max-width:16ch;
  }
  .hero-sub{
    margin-top:26px;
    font-size:1.08rem;
    color:var(--ink-dim);
    max-width:52ch;
  }
  .hero-actions{
    display:flex; flex-wrap:wrap; gap:16px;
    margin-top:38px;
  }
  .btn-primary{
    font-family:'IBM Plex Mono', monospace;
    font-size:0.82rem; letter-spacing:0.03em;
    color:#fff; background:var(--ink);
    padding:14px 26px; border-radius:var(--radius);
    border:1px solid var(--ink);
    transition:transform 0.18s ease, background 0.18s, border-color 0.18s;
    display:inline-flex; align-items:center; gap:10px;
  }
  .btn-primary:hover{ background:var(--olive); border-color:var(--olive); transform:translateY(-1px); }
  .btn-ghost{
    font-family:'IBM Plex Mono', monospace;
    font-size:0.82rem; letter-spacing:0.03em;
    color:var(--ink); background:transparent;
    padding:14px 26px; border-radius:var(--radius);
    border:1px solid var(--line-strong);
    transition:border-color 0.18s, color 0.18s;
  }
  .btn-ghost:hover{ border-color:var(--olive); color:var(--olive); }

  /* dark stats band */
  .stats-band{
    position:relative;
    background:var(--dark);
    color:var(--cream);
    margin-top:70px;
  }
  .hero-stats{
    display:grid; grid-template-columns:repeat(3, 1fr);
    max-width:var(--max); margin:0 auto;
  }
  .stat{
    padding:34px 28px;
    border-left:1px solid rgba(244,236,216,0.14);
  }
  .stat:first-child{ border-left:none; }
  .stat .num{
    font-family:'Space Grotesk', sans-serif;
    font-size:2.1rem; font-weight:700;
    color:var(--gold);
  }
  .stat .label{
    font-family:'IBM Plex Mono', monospace;
    font-size:0.72rem; letter-spacing:0.06em;
    color:var(--cream-dim);
    text-transform:uppercase;
    margin-top:6px;
  }

  /* ---------- QUOTE BAND ---------- */
  .quote-band{
    background:var(--dark);
    color:var(--cream);
    padding:90px 0;
    text-align:center;
  }
  .quote-band svg{ margin:0 auto 24px; color:var(--gold); opacity:0.8; }
  .quote-text{
    font-family:'Space Grotesk', sans-serif;
    font-size:clamp(1.4rem, 3vw, 2.1rem);
    font-style:italic;
    line-height:1.45;
    max-width:820px;
    margin:0 auto;
    color:var(--cream);
  }
  .quote-attr{
    margin-top:24px;
    font-family:'IBM Plex Mono', monospace;
    font-size:0.78rem; letter-spacing:0.04em;
    color:var(--gold);
  }

  /* ---------- PARTNERS ---------- */
  .partners-grid{
    display:flex; flex-wrap:wrap;
    align-items:center; justify-content:center;
    gap:64px;
  }
  .partner-logo{
    width:200px; height:110px;
    display:flex; align-items:center; justify-content:center;
    opacity:0; transform:translateY(18px);
    transition:opacity 0.6s ease, transform 0.6s ease;
  }
  .partner-logo.is-visible{ opacity:1; transform:translateY(0); }
  .partner-logo img{
    max-width:100%; max-height:100%;
    width:auto; height:auto;
    object-fit:contain;
  }

  /* ---------- SECTION SCAFFOLDING ---------- */
  section{ padding:100px 0; }
  .section-head{
    max-width:640px;
    margin-bottom:56px;
  }
  .section-head h2{
    font-size:clamp(1.8rem, 3.2vw, 2.5rem);
    color:var(--ink);
    margin-top:14px;
  }
  .section-head p{
    margin-top:16px;
    color:var(--ink-dim);
    font-size:1.02rem;
  }

  /* ---------- QUIENES SOMOS ---------- */
  #quienes{ background:var(--bg-alt); }
  .about-grid{
    display:grid;
    grid-template-columns:1.1fr 0.9fr;
    gap:60px;
    align-items:start;
  }
  .about-copy p{ color:var(--ink-dim); font-size:1.02rem; margin-bottom:18px; }
  .about-copy strong{ color:var(--ink); font-weight:600; }
  .pillars{
    display:flex; flex-direction:column; gap:0;
    border-top:1px solid var(--line);
  }
  .pillar{
    padding:22px 0;
    border-bottom:1px solid var(--line);
    display:flex; gap:18px; align-items:flex-start;
  }
  .pillar .idx{
    font-family:'IBM Plex Mono', monospace;
    font-size:0.78rem; color:var(--olive);
    padding-top:3px;
  }
  .pillar h4{ font-size:1rem; color:var(--ink); font-weight:600; }
  .pillar p{ font-size:0.92rem; color:var(--ink-dim); margin-top:6px; }

  /* ---------- INDUSTRIAS ---------- */
  .industries-grid{
    display:grid;
    grid-template-columns:repeat(3, 1fr);
    gap:1px;
    background:var(--line);
    border:1px solid var(--line);
  }
  .industry-card{
    background:var(--bg);
    padding:34px 26px;
    transition:background 0.2s;
  }
  .industry-card:hover{ background:var(--panel); }
  .industry-card .icon{
    width:38px; height:38px;
    color:var(--olive);
    margin-bottom:20px;
  }
  .industry-card h4{
    font-size:1.05rem; color:var(--ink); font-weight:600;
  }
  .industry-card p{
    margin-top:8px; font-size:0.88rem; color:var(--ink-dim);
  }
  .specialist-strip{
    margin-top:1px;
    background:var(--dark);
    color:var(--cream-dim);
    padding:22px 26px;
    font-family:'IBM Plex Mono', monospace;
    font-size:0.78rem;
    letter-spacing:0.01em;
    line-height:1.9;
  }
  .specialist-strip span{ color:var(--gold); }

  /* ---------- SERVICIOS TABS ---------- */
  #servicios{ background:var(--bg-alt); }
  .tabs-nav{
    display:flex; flex-wrap:wrap; gap:8px;
    margin-bottom:44px;
    border-bottom:1px solid var(--line);
    padding-bottom:0;
  }
  .tab-btn{
    background:none; border:none;
    color:var(--ink-faint);
    font-family:'IBM Plex Mono', monospace;
    font-size:0.76rem; letter-spacing:0.04em;
    text-transform:uppercase;
    padding:12px 16px 16px;
    border-bottom:2px solid transparent;
    transition:color 0.2s, border-color 0.2s;
  }
  .tab-btn:hover{ color:var(--ink); }
  .tab-btn.active{ color:var(--olive); border-bottom-color:var(--olive); }

  .tab-panel{ display:none; }
  .tab-panel.active{ display:block; animation:fadein 0.35s ease; }
  @keyframes fadein{ from{opacity:0; transform:translateY(6px);} to{opacity:1; transform:none;} }

  .service-layout{
    display:grid;
    grid-template-columns:0.85fr 1.15fr;
    gap:56px;
  }
  .service-intro h3{
    font-size:1.5rem; color:var(--ink);
  }
  .service-intro p{
    margin-top:14px; color:var(--ink-dim); font-size:0.98rem;
  }
  .service-photo{
    margin-top:26px;
    aspect-ratio:4/3;
    overflow:hidden;
    background:var(--panel);
    border-radius:var(--radius);
  }
  .service-photo img{
    width:100%; height:100%;
    object-fit:cover;
    display:block;
  }
  .service-list{
    display:grid;
    grid-template-columns:repeat(2, 1fr);
    gap:0;
    border-top:1px solid var(--line);
  }
  .service-list li{
    padding:14px 4px;
    border-bottom:1px solid var(--line);
    font-size:0.92rem;
    color:var(--ink-dim);
    display:flex; align-items:baseline; gap:10px;
  }
  .service-list li::before{
    content:"";
    width:5px; height:5px;
    background:var(--gold);
    flex:none;
    border-radius:50%;
    transform:translateY(-2px);
  }

  /* ---------- MISION VISION VALORES ---------- */
  .mvv-grid{
    display:grid;
    grid-template-columns:repeat(3, 1fr);
    gap:1px;
    background:var(--line);
    border:1px solid var(--line);
  }
  .mvv-card{
    background:var(--bg);
    padding:38px 30px;
  }
  .mvv-card .eyebrow{ margin-bottom:16px; }
  .mvv-card p{ color:var(--ink-dim); font-size:0.96rem; }
  .mvv-card ul{ display:flex; flex-direction:column; gap:10px; }
  .mvv-card ul li{
    font-size:0.96rem; color:var(--ink-dim);
    padding-left:16px; position:relative;
  }
  .mvv-card ul li::before{
    content:"—"; position:absolute; left:0; color:var(--olive);
  }

  /* ---------- CONTACTO (dark band) ---------- */
  #contacto{
    background:var(--dark);
    color:var(--cream);
    position:relative;
    overflow:hidden;
  }
  #contacto .watermark{
    position:absolute;
    right:-60px; top:50%; transform:translateY(-50%);
    width:420px; opacity:0.06;
    pointer-events:none;
  }
  .contact-grid{
    position:relative; z-index:2;
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:60px;
    align-items:center;
  }
  #contacto h2{ color:var(--cream); }
  #contacto .section-sub{ margin-top:18px; color:var(--cream-dim); max-width:44ch; }
  .contact-card{
    background:rgba(244,236,216,0.05);
    border:1px solid rgba(244,236,216,0.16);
    padding:40px;
  }
  .contact-card h3{
    font-size:1.3rem; color:var(--cream);
  }
  .contact-card .role{
    font-family:'IBM Plex Mono', monospace;
    font-size:0.78rem; color:var(--gold);
    margin-top:6px; letter-spacing:0.03em;
  }
  .contact-form{
    margin-top:32px;
    display:flex; flex-direction:column; gap:20px;
    max-width:440px;
  }
  .contact-form[hidden]{ display:none; }
  .contact-form .hp-field{ position:absolute; left:-9999px; }
  .form-row{ display:flex; flex-direction:column; gap:6px; }
  .form-row label{
    font-family:'IBM Plex Mono', monospace;
    font-size:0.72rem; letter-spacing:0.08em; text-transform:uppercase;
    color:var(--cream-dim);
  }
  .form-row input, .form-row textarea{
    background:transparent;
    border:none;
    border-bottom:1px solid rgba(244,236,216,0.28);
    padding:10px 2px;
    font-family:'Inter', sans-serif;
    font-size:0.95rem;
    color:var(--cream);
    resize:vertical;
  }
  .form-row input:focus, .form-row textarea:focus{
    outline:none; border-bottom-color:var(--gold);
  }
  .btn-gold{
    font-family:'IBM Plex Mono', monospace;
    font-size:0.82rem; letter-spacing:0.03em;
    color:var(--dark); background:var(--gold);
    padding:14px 26px; border-radius:var(--radius);
    border:1px solid var(--gold);
    align-self:flex-start;
    transition:transform 0.18s ease, background 0.18s;
  }
  .btn-gold:hover{ background:#cdb35a; transform:translateY(-1px); }
  .btn-gold:disabled{ opacity:0.6; transform:none; cursor:default; }
  .form-status{ margin-top:16px; font-size:0.88rem; max-width:44ch; }
  .form-status.success{ color:var(--gold); }
  .form-status.error{ color:#e08a6a; }
  .form-status.error a{ color:var(--gold); text-decoration:underline; }

  .contact-rows{ margin-top:28px; display:flex; flex-direction:column; gap:0; }
  .contact-row{
    display:flex; align-items:center; gap:14px;
    padding:16px 0;
    border-top:1px solid rgba(244,236,216,0.14);
    font-size:0.95rem;
    color:var(--cream-dim);
    transition:color 0.2s;
  }
  a.contact-row:hover{ color:var(--gold); }
  .contact-row .icon{ width:18px; height:18px; color:var(--gold); flex:none; }

  /* ---------- FOOTER ---------- */
  footer{
    padding:28px 0;
    background:var(--bg);
  }
  .footer-row{
    display:flex; justify-content:space-between; align-items:center;
    flex-wrap:wrap; gap:14px;
    padding-right:90px;
  }
  .footer-row p{
    font-family:'IBM Plex Mono', monospace;
    font-size:0.74rem; color:var(--ink-faint);
    letter-spacing:0.02em;
  }
  .footer-mark{ height:18px; opacity:0.7; }

  /* ---------- WHATSAPP FLOAT ---------- */
  .whatsapp-float{
    position:fixed;
    right:24px; bottom:24px;
    z-index:60;
    width:54px; height:54px;
    border-radius:50%;
    background:#25D366;
    display:flex; align-items:center; justify-content:center;
    box-shadow:0 8px 22px rgba(11,11,11,0.28);
    transition:transform 0.18s ease;
  }
  .whatsapp-float:hover{ transform:translateY(-2px) scale(1.05); }
  .whatsapp-float svg{ width:26px; height:26px; color:#fff; }

  /* ---------- LEGAL PAGES ---------- */
  .legal-hero{ padding:64px 0 48px; border-bottom:1px solid var(--line); background:var(--bg-alt); }
  .legal-hero h1{ font-size:clamp(1.9rem, 4vw, 2.6rem); margin-top:14px; }
  .legal-hero .updated{ margin-top:14px; font-family:'IBM Plex Mono', monospace; font-size:0.78rem; color:var(--ink-faint); }
  .legal-notice{
    margin-top:24px; padding:16px 20px;
    background:rgba(186,160,70,0.1);
    border:1px solid var(--gold-line);
    font-size:0.88rem; color:var(--ink-dim);
    max-width:70ch;
  }
  .legal-body{ max-width:74ch; padding:64px 0 100px; }
  .legal-body h2{
    font-size:1.25rem; color:var(--ink);
    margin-top:44px; margin-bottom:14px;
  }
  .legal-body h2:first-child{ margin-top:0; }
  .legal-body p{ color:var(--ink-dim); font-size:0.98rem; margin-bottom:14px; }
  .legal-body ul, .legal-body ol{ margin:0 0 14px; padding-left:22px; }
  .legal-body ul{ list-style:disc; }
  .legal-body ol{ list-style:decimal; }
  .legal-body li{ color:var(--ink-dim); font-size:0.98rem; margin-bottom:8px; }
  .legal-body strong{ color:var(--ink); font-weight:600; }
  .legal-body a{ color:var(--olive); text-decoration:underline; text-underline-offset:2px; }

  /* ---------- FOOTER LINKS ---------- */
  .footer-legal{
    display:flex; gap:20px; flex-wrap:wrap;
    font-family:'IBM Plex Mono', monospace;
    font-size:0.74rem; color:var(--ink-faint);
  }
  .footer-legal a:hover{ color:var(--olive); }

  /* ---------- RESPONSIVE ---------- */
  @media (max-width: 880px){
    nav.links{ display:none; }
    .navbar .nav-cta{ display:none; }
    .nav-toggle{ display:inline-flex; }
    .about-grid, .service-layout, .contact-grid{ grid-template-columns:1fr; }
    .industries-grid{ grid-template-columns:repeat(2, 1fr); }
    .mvv-grid{ grid-template-columns:1fr; }
    .hero-stats{ grid-template-columns:1fr; }
    .stat{ border-left:none; border-top:1px solid rgba(244,236,216,0.14); }
    .stat:first-child{ border-top:none; }
    .service-list{ grid-template-columns:1fr; }
    #contacto .watermark{ display:none; }
  }
  @media (max-width: 560px){
    .industries-grid{ grid-template-columns:1fr; }
    section{ padding:70px 0; }
    .util-links{ display:none; }
    .util-bar-inner{ justify-content:center; padding:8px 20px; }
    .whatsapp-float{ right:16px; bottom:16px; width:48px; height:48px; }
    .whatsapp-float svg{ width:22px; height:22px; }
    .footer-row{ padding-right:0; }
  }