:root{
    --navy-950:#0B1622;
    --navy-900:#0F1E30;
    --navy-800:#152840;
    --navy-700:#1D3450;
    --line:#2C4562;
    --paper:#E9EEF3;
    --paper-dim:#AEC0D3;
    --muted:#7C93AC;
    --amber:#E3A72B;
    --amber-dim:#8A6B26;
    --radius:2px;
  }
  *{box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    margin:0;
    background:var(--navy-950);
    color:var(--paper);
    font-family:'Inter',sans-serif;
    line-height:1.55;
  }
  h1,h2,h3{
    font-family:'Space Grotesk',sans-serif;
    margin:0;
    font-weight:600;
    letter-spacing:-0.01em;
  }
  .mono{
    font-family:'IBM Plex Mono',monospace;
    font-size:0.78rem;
    color:var(--amber);
    letter-spacing:0.02em;
  }
  a{color:inherit;}
  .wrap{max-width:1120px;margin:0 auto;padding:0 32px;}

  /* Blueprint grid background */
  .grid-bg{
    background-image:
      linear-gradient(var(--line) 1px, transparent 1px),
      linear-gradient(90deg, var(--line) 1px, transparent 1px);
    background-size:48px 48px;
    background-position:-1px -1px;
    opacity:0.35;
    position:absolute;
    inset:0;
    pointer-events:none;
  }
  section{position:relative;}

  /* Header */
  header{
    position:sticky; top:0; z-index:20;
    background:rgba(11,22,34,0.9);
    backdrop-filter:blur(6px);
    border-bottom:1px solid var(--line);
  }
  .nav{
    display:flex; align-items:center; justify-content:space-between;
    padding:18px 32px;
    max-width:1120px; margin:0 auto;
  }
  .brand{font-family:'Space Grotesk'; font-weight:600; font-size:1.05rem; display:flex; align-items:center; gap:11px; color:var(--paper);}
  .brand b{color:var(--amber); font-weight:700;}
  .logo-svg{flex-shrink:0;}
  .logo-svg .frame{stroke:var(--amber-dim); stroke-width:1.5; fill:none;}
  .logo-svg .path{stroke:var(--amber); stroke-width:1.6; fill:none;}
  .logo-svg .node{fill:var(--navy-950); stroke:var(--amber); stroke-width:1.6;}
  .logo-svg .node.core{fill:var(--amber); stroke:none;}
  .nav-links{display:flex; gap:28px; font-size:0.92rem; color:var(--paper-dim);}
  .nav-links a{text-decoration:none; transition:color .15s;}
  .nav-links a:hover{color:var(--paper);}
  .nav-cta{
    border:1px solid var(--amber-dim);
    color:var(--amber);
    padding:8px 16px;
    font-size:0.88rem;
    text-decoration:none;
    border-radius:var(--radius);
    transition:background .15s, color .15s;
  }
  .nav-cta:hover{background:var(--amber); color:var(--navy-950);}

  /* Hero */
  .hero{
    padding:110px 0 90px;
    overflow:hidden;
    border-bottom:1px solid var(--line);
  }
  .hero-inner{
    display:grid;
    grid-template-columns:1.15fr 0.85fr;
    gap:56px;
    align-items:center;
  }
  .eyebrow-tag{
    display:inline-flex; align-items:center; gap:8px;
    margin-bottom:22px;
  }
  .eyebrow-tag .dot{width:6px; height:6px; background:var(--amber); border-radius:50%;}
  .hero h1{
    font-size:3.1rem;
    line-height:1.08;
    color:var(--paper);
  }
  .hero h1 em{
    font-style:normal;
    color:var(--amber);
  }
  .hero p.lead{
    margin-top:22px;
    font-size:1.1rem;
    color:var(--paper-dim);
    max-width:46ch;
  }
  .hero-ctas{display:flex; gap:14px; margin-top:34px; flex-wrap:wrap;}
  .btn-primary{
    background:var(--amber);
    color:var(--navy-950);
    padding:13px 24px;
    font-weight:600;
    text-decoration:none;
    border-radius:var(--radius);
    font-size:0.95rem;
    border:1px solid var(--amber);
    transition:opacity .15s;
  }
  .btn-primary:hover{opacity:0.88;}
  .btn-ghost{
    padding:13px 24px;
    border:1px solid var(--line);
    color:var(--paper-dim);
    text-decoration:none;
    border-radius:var(--radius);
    font-size:0.95rem;
    transition:border-color .15s, color .15s;
  }
  .btn-ghost:hover{border-color:var(--paper-dim); color:var(--paper);}

  /* Schematic diagram in hero */
  .schematic{
    border:1px solid var(--line);
    background:var(--navy-900);
    padding:26px 22px;
    position:relative;
  }
  .schematic .corner{position:absolute; width:10px; height:10px; border:1px solid var(--amber-dim);}
  .schematic .corner.tl{top:-1px; left:-1px; border-right:none; border-bottom:none;}
  .schematic .corner.br{bottom:-1px; right:-1px; border-left:none; border-top:none;}
  .sc-row{display:flex; align-items:center; gap:10px; margin-bottom:14px;}
  .sc-box{
    border:1px solid var(--line);
    padding:10px 12px;
    font-size:0.85rem;
    color:var(--paper-dim);
    flex:1;
  }
  .sc-box.active{border-color:var(--amber-dim); color:var(--paper);}
  .sc-arrow{color:var(--muted); font-size:1.1rem;}
  .sc-caption{margin-top:16px; padding-top:14px; border-top:1px dashed var(--line);}

  /* Section header pattern */
  .sec-head{margin-bottom:52px; max-width:60ch;}
  .sec-head .mono{display:block; margin-bottom:10px;}
  .sec-head h2{font-size:2rem; color:var(--paper);}
  .sec-head p{color:var(--paper-dim); margin-top:14px; font-size:1.02rem;}

  section.block{padding:88px 0; border-bottom:1px solid var(--line);}

  /* Positioning comparison */
  .compare{
    display:grid; grid-template-columns:1fr 1fr; gap:0;
    border:1px solid var(--line);
  }
  .compare > div{padding:32px 30px;}
  .compare .old{border-right:1px solid var(--line); background:var(--navy-900);}
  .compare .new{background:var(--navy-800);}
  .compare .tag{font-family:'IBM Plex Mono'; font-size:0.75rem; color:var(--muted); display:block; margin-bottom:14px;}
  .compare .new .tag{color:var(--amber);}
  .compare h3{font-size:1.2rem; margin-bottom:10px; color:var(--paper);}
  .compare p{color:var(--paper-dim); font-size:0.95rem;}

  /* Services */
  .services{display:grid; grid-template-columns:repeat(2,1fr); gap:1px; background:var(--line); border:1px solid var(--line);}
  .service{background:var(--navy-950); padding:30px 26px;}
  .service .num{font-family:'IBM Plex Mono'; font-size:0.78rem; color:var(--amber-dim); display:block; margin-bottom:18px;}
  .service h3{font-size:1.1rem; margin-bottom:10px; color:var(--paper);}
  .service p{color:var(--paper-dim); font-size:0.92rem;}

  /* Experience / proof */
  .proof-grid{display:grid; grid-template-columns:0.9fr 1.1fr; gap:56px; align-items:start;}
  .proof-list{list-style:none; margin:26px 0 0; padding:0;}
  .proof-list li{
    display:flex; gap:14px;
    padding:16px 0;
    border-top:1px solid var(--line);
    font-size:0.95rem; color:var(--paper-dim);
  }
  .proof-list li:last-child{border-bottom:1px solid var(--line);}
  .proof-list .mk{color:var(--amber); font-family:'IBM Plex Mono'; font-size:0.8rem; flex-shrink:0; padding-top:1px;}
  .stat-panel{border:1px solid var(--line); background:var(--navy-900); padding:28px;}
  .stat-panel .stat{padding:16px 0; border-bottom:1px dashed var(--line);}
  .stat-panel .stat:last-child{border-bottom:none;}
  .stat-panel .stat b{display:block; font-family:'Space Grotesk'; font-size:1.7rem; color:var(--paper);}
  .stat-panel .stat span{font-size:0.85rem; color:var(--muted);}

  /* Process */
  .process{display:flex; flex-direction:column;}
  .step{
    display:grid; grid-template-columns:70px 1fr;
    gap:22px;
    padding:26px 0;
    border-top:1px solid var(--line);
  }
  .process .step:last-child{border-bottom:1px solid var(--line);}
  .step .idx{font-family:'IBM Plex Mono'; color:var(--amber); font-size:0.95rem; padding-top:2px;}
  .step h3{font-size:1.08rem; color:var(--paper); margin-bottom:6px;}
  .step p{color:var(--paper-dim); font-size:0.93rem; max-width:60ch;}

  /* Contact */
  .contact-wrap{display:grid; grid-template-columns:0.8fr 1.2fr; gap:56px;}
  .contact-info h2{font-size:2rem; color:var(--paper); margin-bottom:16px;}
  .contact-info p{color:var(--paper-dim); font-size:1rem; max-width:42ch;}
  .contact-info .direct{margin-top:30px; padding-top:24px; border-top:1px solid var(--line);}
  .contact-info .direct a{color:var(--amber); text-decoration:none; font-family:'IBM Plex Mono'; font-size:0.92rem;}

  form{border:1px solid var(--line); background:var(--navy-900); padding:32px;}
  .field{margin-bottom:20px;}
  .field label{display:block; font-size:0.82rem; color:var(--paper-dim); margin-bottom:8px; font-family:'IBM Plex Mono';}
  .field input, .field textarea, .field select{
    width:100%;
    background:var(--navy-950);
    border:1px solid var(--line);
    color:var(--paper);
    padding:12px 14px;
    font-family:'Inter';
    font-size:0.95rem;
    border-radius:var(--radius);
  }
  .field input:focus, .field textarea:focus, .field select:focus{
    outline:none; border-color:var(--amber-dim);
  }
  .field textarea{min-height:110px; resize:vertical;}
  .field-row{display:grid; grid-template-columns:1fr 1fr; gap:16px;}
  .submit-btn{
    width:100%;
    background:var(--amber);
    color:var(--navy-950);
    border:none;
    padding:14px;
    font-weight:600;
    font-size:0.98rem;
    border-radius:var(--radius);
    cursor:pointer;
    transition:opacity .15s;
    font-family:'Inter';
  }
  .submit-btn:hover{opacity:0.88;}
  .form-note{font-size:0.8rem; color:var(--muted); margin-top:14px; text-align:center;}
  #form-status{margin-top:16px; font-size:0.9rem; display:none; padding:12px 14px; border-radius:var(--radius);}
  #form-status.ok{display:block; background:rgba(227,167,43,0.12); color:var(--amber); border:1px solid var(--amber-dim);}
  #form-status.err{display:block; background:rgba(220,90,90,0.1); color:#e08787; border:1px solid #6b3a3a;}

  footer{padding:36px 0; text-align:center;}
  footer p{color:var(--muted); font-size:0.85rem;}

  @media (max-width:860px){
    .wrap{padding:0 20px;}
    .nav-links{display:none;}
    .hero-inner{grid-template-columns:1fr;}
    .hero h1{font-size:2.2rem;}
    .compare{grid-template-columns:1fr;}
    .compare .old{border-right:none; border-bottom:1px solid var(--line);}
    .services{grid-template-columns:1fr;}
    .proof-grid{grid-template-columns:1fr;}
    .contact-wrap{grid-template-columns:1fr;}
    .field-row{grid-template-columns:1fr;}
  }
  @media (prefers-reduced-motion:reduce){
    html{scroll-behavior:auto;}
  }

  /* WhatsApp floating button */
  .wa-btn{
    position:fixed;
    bottom:24px;
    right:24px;
    width:56px;
    height:56px;
    background:#25D366;
    border-radius:50%;
    display:flex;
    align-items:center;
    justify-content:center;
    box-shadow:0 4px 14px rgba(0,0,0,0.35);
    z-index:30;
    text-decoration:none;
  }
  .wa-btn svg{width:28px; height:28px;}
  .wa-btn .ring{
    position:absolute;
    inset:0;
    border-radius:50%;
    border:2px solid #25D366;
    animation:wa-pulse 2.4s ease-out infinite;
  }
  @keyframes wa-pulse{
    0%{transform:scale(1); opacity:0.7;}
    100%{transform:scale(1.6); opacity:0;}
  }
  @media (prefers-reduced-motion:reduce){
    .wa-btn .ring{animation:none;}
  }
</style>

  /* Footer links (legal) */
  footer .footer-links{
    display:flex; justify-content:center; gap:22px; flex-wrap:wrap;
    margin-bottom:14px;
    font-size:0.83rem;
  }
  footer .footer-links a{color:var(--paper-dim); text-decoration:none;}
  footer .footer-links a:hover{color:var(--amber);}

  /* Legal / content pages */
  .legal-page{padding:70px 0 90px;}
  .legal-page .legal-header{margin-bottom:48px; max-width:70ch;}
  .legal-page .legal-header h1{font-size:2.2rem; color:var(--paper); margin-bottom:12px;}
  .legal-page .legal-header .mono{display:block; margin-bottom:14px;}
  .legal-page .updated{color:var(--muted); font-size:0.85rem;}
  .legal-content{max-width:74ch;}
  .legal-content h2{
    font-size:1.25rem; color:var(--paper);
    margin-top:40px; margin-bottom:14px;
    padding-bottom:10px; border-bottom:1px solid var(--line);
  }
  .legal-content h2:first-child{margin-top:0;}
  .legal-content p{color:var(--paper-dim); font-size:0.96rem; margin:0 0 14px;}
  .legal-content ul{color:var(--paper-dim); font-size:0.96rem; margin:0 0 14px; padding-left:22px;}
  .legal-content li{margin-bottom:8px;}
  .legal-content strong{color:var(--paper);}
  .legal-content a{color:var(--amber); text-decoration:underline;}
  .legal-content table{width:100%; border-collapse:collapse; margin:18px 0; font-size:0.92rem;}
  .legal-content table th, .legal-content table td{
    border:1px solid var(--line); padding:10px 12px; text-align:left; color:var(--paper-dim);
  }
  .legal-content table th{color:var(--paper); background:var(--navy-900);}
  .back-link{display:inline-block; margin-bottom:32px; color:var(--amber); text-decoration:none; font-family:'IBM Plex Mono'; font-size:0.85rem;}
  .back-link:hover{text-decoration:underline;}

  /* Cookie banner */
  #cookie-banner{
    position:fixed; left:0; right:0; bottom:0; z-index:40;
    background:var(--navy-900);
    border-top:1px solid var(--line);
    padding:18px 24px;
    display:none;
  }
  #cookie-banner.show{display:flex;}
  #cookie-banner .cb-inner{
    max-width:1120px; margin:0 auto;
    display:flex; align-items:center; justify-content:space-between; gap:24px; flex-wrap:wrap;
  }
  #cookie-banner p{color:var(--paper-dim); font-size:0.86rem; margin:0; max-width:70ch;}
  #cookie-banner p a{color:var(--amber); text-decoration:underline;}
  #cookie-banner button{
    background:var(--amber); color:var(--navy-950); border:none;
    padding:10px 20px; font-weight:600; font-size:0.88rem;
    border-radius:var(--radius); cursor:pointer; flex-shrink:0;
    font-family:'Inter';
  }

/* ── Páginas legales (aviso legal / privacidad / cookies) ── */
.legal-main{padding:140px 0 90px;}
.back-link{
  display:inline-flex; align-items:center; gap:6px;
  color:var(--amber); text-decoration:none;
  font-family:'IBM Plex Mono'; font-size:0.85rem;
  margin-bottom:34px;
}
.legal-body h1{font-size:2.1rem; margin-bottom:8px;}
.legal-body .updated{color:var(--muted); font-size:0.85rem; font-family:'IBM Plex Mono'; margin-bottom:44px; display:block;}
.legal-body h2{font-size:1.3rem; color:var(--paper); margin-top:44px; margin-bottom:14px; padding-top:24px; border-top:1px solid var(--line);}
.legal-body h2:first-of-type{border-top:none; padding-top:0; margin-top:0;}
.legal-body h3{font-size:1.05rem; color:var(--paper); margin-top:22px; margin-bottom:8px;}
.legal-body p, .legal-body li{color:var(--paper-dim); margin:12px 0; font-size:0.97rem; line-height:1.75;}
.legal-body ul{padding-left:20px;}
.legal-body strong{color:var(--paper);}
.legal-body table{width:100%; border-collapse:collapse; margin:18px 0; font-size:0.9rem;}
.legal-body th, .legal-body td{border:1px solid var(--line); padding:10px 12px; text-align:left; vertical-align:top;}
.legal-body th{color:var(--paper); font-family:'Space Grotesk'; background:var(--navy-900);}
.legal-body td{color:var(--paper-dim);}

/* ── Selector de idioma ── */
#lang-switch{
  background:var(--navy-900);
  border:1px solid var(--line);
  color:var(--paper-dim);
  font-family:'IBM Plex Mono';
  font-size:0.78rem;
  padding:6px 8px;
  border-radius:var(--radius);
  cursor:pointer;
}
#lang-switch:focus{outline:none; border-color:var(--amber-dim);}
@media (max-width:860px){
  #lang-switch{font-size:0.72rem; padding:5px 6px;}
}