:root{
    /* Paleta de marca */
    --blue:#3368A0;
    --blue-soft:#66A3BF;   /* bordes y detalles, no texto */
    --mint:#C8DFDB;
    --sand:#F2EFE7;

    /* Fondos oscuros (azul de marca) */
    --ink:#3368A0;
    --ink-2:#2A5786;
    --ink-3:#3A73B0;

    /* Texto y lineas sobre fondo azul */
    --line:#F2EFE7;
    --line-dim:#DCE9E6;

    /* Fondos claros */
    --paper:#F2EFE7;
    --paper-2:#C8DFDB;
    --paper-ink:#25405C;
    --paper-ink-dim:#4C6B87;

    /* Acento */
    --brass:#3368A0;      /* acento legible como texto */
    --brass-light:#DCE9E6; /* acento sobre fondo azul (AA) */

    --grid-on-dark:rgba(242,239,231,0.12);
    --grid-on-light:rgba(51,104,160,0.08);
    --radius:2px;
  }
  *{box-sizing:border-box; margin:0; padding:0;}
  html{scroll-behavior:smooth;}
  @media (prefers-reduced-motion: reduce){
    html{scroll-behavior:auto;}
    *{animation-duration:0.01ms !important; animation-iteration-count:1 !important; transition-duration:0.01ms !important;}
  }
  body{
    font-family:'Inter', sans-serif;
    background:var(--paper);
    color:var(--paper-ink);
    line-height:1.5;
    overflow-x:hidden;
  }
  h1,h2,h3,.display{ font-family:'Space Grotesk', sans-serif; font-weight:600; letter-spacing:-0.01em; }
  .mono{ font-family:'IBM Plex Mono', monospace; }
  a{color:inherit; text-decoration:none;}
  img{max-width:100%; display:block;}
  .wrap{ max-width:1180px; margin:0 auto; padding:0 32px; }
  @media (max-width:640px){ .wrap{ padding:0 20px; } }

  /* blueprint grid background */
  .grid-dark{
    background-color:var(--ink);
    background-image:
      linear-gradient(var(--grid-on-dark) 1px, transparent 1px),
      linear-gradient(90deg, var(--grid-on-dark) 1px, transparent 1px);
    background-size:40px 40px;
  }
  .grid-light{
    background-color:var(--paper);
    background-image:
      linear-gradient(var(--grid-on-light) 1px, transparent 1px),
      linear-gradient(90deg, var(--grid-on-light) 1px, transparent 1px);
    background-size:40px 40px;
  }

  /* corner crosshair — blueprint drafting mark */
  .xhair{ position:relative; }
  .xhair::before, .xhair::after{
    content:""; position:absolute; width:14px; height:14px;
    border-color:currentColor; border-style:solid; opacity:0.5;
  }
  .xhair::before{ top:-1px; left:-1px; border-width:1px 0 0 1px; }
  .xhair::after{ bottom:-1px; right:-1px; border-width:0 1px 1px 0; }

  /* ---------- NAV ---------- */
  header{
    position:fixed; top:0; left:0; right:0; z-index:50;
    background:rgba(51,104,160,0.94);
    backdrop-filter:blur(6px);
    border-bottom:1px solid rgba(242,239,231,0.15);
  }
  nav{ display:flex; align-items:center; justify-content:space-between; height:64px; }
  .logo{ color:var(--line); font-size:17px; letter-spacing:0.02em; display:flex; align-items:center; gap:10px; }
  .logo-img{ height:26px; width:auto; }
  .logo .id{ color:var(--brass-light); font-size:11px; }
  @media (max-width:400px){ .logo .id{ display:none; } }
  .navlinks{ display:flex; gap:36px; }
  .navlinks a{ color:var(--line-dim); font-size:13px; letter-spacing:0.03em; text-transform:uppercase; transition:color 0.2s; }
  .navlinks a:hover, .navlinks a:focus-visible{ color:var(--line); }
  .nav-cta{
    border:1px solid var(--brass); color:var(--brass-light);
    font-size:12px; padding:8px 16px; letter-spacing:0.04em; text-transform:uppercase;
    transition:background 0.2s, color 0.2s;
  }
  .nav-cta:hover, .nav-cta:focus-visible{ background:var(--sand); color:#25405C; }
  .navlinks, .nav-cta{ display:flex; }
  .menu-btn{ display:none; background:none; border:1px solid var(--line-dim); color:var(--line); width:38px; height:38px; }
  @media (max-width:820px){
    .navlinks{ display:none; }
    .nav-cta{ display:none; }
    .menu-btn{ display:block; }
  }
  a:focus-visible, button:focus-visible{ outline:2px solid var(--brass-light); outline-offset:2px; }
  .mobile-menu{ display:none; flex-direction:column; gap:0; padding-bottom:16px; }
  .mobile-menu.open{ display:flex; }
  .mobile-menu a{ padding:12px 0; color:var(--line); }

  /* ---------- HERO ---------- */
  .hero{
    padding:168px 0 96px;
    position:relative;
    color:var(--line);
  }
  .hero-tag{
    color:var(--brass-light); font-size:12px; letter-spacing:0.12em; text-transform:uppercase;
    margin-bottom:18px; display:flex; align-items:center; gap:10px;
  }
  .hero-tag .dot{ width:6px; height:6px; background:var(--brass); border-radius:50%; }
  .hero h1{
    font-size:clamp(2.3rem, 5vw, 4rem); line-height:1.05; max-width:14ch; color:var(--sand);
  }
  .hero p.lede{
    margin-top:24px; max-width:46ch; font-size:17px; color:var(--line-dim);
  }
  .hero-ctas{ display:flex; gap:16px; margin-top:40px; flex-wrap:wrap; }
  .btn-primary{
    background:#25405C; color:var(--sand); font-weight:600; font-size:14px;
    padding:14px 26px; letter-spacing:0.02em; transition:background 0.2s, transform 0.2s;
  }
  .btn-primary:hover, .btn-primary:focus-visible{ background:#1B3149; transform:translateY(-1px); }
  .btn-ghost{
    border:1px solid var(--line-dim); color:var(--line); font-size:14px;
    padding:14px 26px; letter-spacing:0.02em; transition:border-color 0.2s, color 0.2s;
  }
  .btn-ghost:hover, .btn-ghost:focus-visible{ border-color:var(--line); color:#fff; }

  .schematic-wrap{ margin-top:80px; border-top:1px solid rgba(242,239,231,0.18); padding-top:36px; }
  .schematic-legend{
    display:flex; justify-content:space-between; font-size:11px; color:var(--line-dim);
    letter-spacing:0.06em; margin-bottom:14px; flex-wrap:wrap; gap:8px;
  }
  #schematic{ width:100%; height:auto; display:block; }
  #schematic .node-box{ fill:var(--ink-3); stroke:var(--line-dim); stroke-width:1; }
  #schematic .hub-box{ fill:var(--ink-2); stroke:var(--brass); stroke-width:1.4; }
  #schematic text{ fill:var(--line); font-family:'IBM Plex Mono', monospace; }
  #schematic .lbl-dim{ fill:var(--line-dim); }
  #schematic .flow{
    fill:none; stroke:var(--brass-light); stroke-width:1.4; stroke-dasharray:5 5;
    stroke-dashoffset:200; animation:dash 2.6s linear infinite;
  }
  @keyframes dash{ to{ stroke-dashoffset:0; } }
  @media (prefers-reduced-motion: reduce){ #schematic .flow{ animation:none; stroke-dashoffset:0; } }

  /* ---------- SECTION HEADERS ---------- */
  .section{ padding:104px 0; }
  .sec-head{ max-width:640px; margin-bottom:56px; }
  .sec-eyebrow{
    font-size:12px; letter-spacing:0.14em; text-transform:uppercase; color:var(--brass);
    margin-bottom:14px; display:block;
  }
  .sec-head h2{ font-size:clamp(1.7rem, 3vw, 2.5rem); }
  .sec-head p{ margin-top:16px; color:var(--paper-ink-dim); font-size:16px; max-width:52ch; }

  /* ---------- SERVICES ---------- */
  .services-grid{
    display:grid; grid-template-columns:repeat(2, 1fr); gap:1px;
    background:rgba(51,104,160,0.14); border:1px solid rgba(51,104,160,0.14);
  }
  @media (max-width:720px){ .services-grid{ grid-template-columns:1fr; } }
  .svc-wide{ grid-column:1 / -1; }
  @media (max-width:720px){ .svc-wide{ grid-column:auto; } }
  .svc-card{
    background:var(--paper); padding:36px; position:relative;
    opacity:0; transform:translateY(14px); transition:opacity 0.6s ease, transform 0.6s ease;
  }
  .svc-card.in{ opacity:1; transform:translateY(0); }
  .svc-id{ font-size:12px; color:var(--brass); letter-spacing:0.06em; margin-bottom:18px; display:block; }
  .svc-card h3{ font-size:19px; margin-bottom:10px; }
  .svc-card p{ color:var(--paper-ink-dim); font-size:14.5px; }
  .svc-icon{ width:34px; height:34px; margin-bottom:20px; }
  .svc-icon svg{ width:100%; height:100%; stroke:var(--paper-ink); fill:none; stroke-width:1.3; }

  /* ---------- PROJECTS ---------- */
  .proj-section{ color:var(--line); }
  .proj-list{ display:flex; flex-direction:column; border-top:1px solid rgba(242,239,231,0.18); }
  .proj-row{
    display:grid; grid-template-columns:110px 1fr 1fr; gap:28px;
    padding:30px 0; border-bottom:1px solid rgba(242,239,231,0.18);
    opacity:0; transform:translateY(14px); transition:opacity 0.6s ease, transform 0.6s ease;
  }
  .proj-row.in{ opacity:1; transform:translateY(0); }
  @media (max-width:760px){ .proj-row{ grid-template-columns:1fr; gap:8px; } }
  .proj-id{ color:var(--brass-light); font-size:13px; align-self:start; }
  .proj-name h3{ font-size:18px; color:var(--sand); margin-bottom:8px; }
  .proj-name .stack{ font-size:11.5px; color:var(--line-dim); letter-spacing:0.03em; }
  .proj-desc p{ color:var(--line-dim); font-size:14.5px; }
  .proj-metric{
    margin-top:12px; padding-top:10px; border-top:1px solid rgba(242,239,231,0.18);
    color:var(--brass-light); font-size:12.5px; letter-spacing:0.02em;
  }
  .proj-more{
    margin-top:28px; max-width:60ch;
    color:var(--line-dim); font-size:14.5px; line-height:1.65;
  }
  .proj-more a{ color:var(--brass-light); text-decoration:none; border-bottom:1px solid rgba(242,239,231,0.35); }
  .proj-more a:hover{ border-bottom-color:var(--brass-light); }

  /* ---------- TESTIMONIALS ---------- */
  .testi-section{ background:var(--paper-2); }
  .testi-grid{ display:grid; grid-template-columns:repeat(2, 1fr); gap:24px; }
  @media (max-width:760px){ .testi-grid{ grid-template-columns:1fr; } }
  .testi-grid-single{ grid-template-columns:1fr; max-width:820px; margin:0 auto; }
  .testi-card blockquote p + p{ margin-top:14px; }
  .testi-card{
    background:var(--paper); border:1px solid rgba(51,104,160,0.16);
    padding:32px; display:flex; flex-direction:column; justify-content:space-between;
    opacity:0; transform:translateY(14px); transition:opacity 0.6s ease, transform 0.6s ease;
  }
  .testi-card.in{ opacity:1; transform:translateY(0); }
  .testi-card blockquote p{
    font-family:'Space Grotesk', sans-serif; font-size:17px; line-height:1.55;
    color:var(--paper-ink);
  }
  .testi-card blockquote p:first-child::before{ content:"“"; color:var(--blue-soft); }
  .testi-card blockquote p:last-child::after{ content:"”"; color:var(--blue-soft); }
  .testi-card figcaption{
    margin-top:22px; padding-top:16px; border-top:1px solid rgba(51,104,160,0.16);
    display:flex; flex-direction:column; gap:4px;
  }
  .testi-who{ font-weight:600; font-size:14px; color:var(--paper-ink); }
  .testi-org{ font-size:12px; color:var(--paper-ink-dim); letter-spacing:0.03em; text-transform:uppercase; }

  /* ---------- HOW WE WORK STRIP ---------- */
  .terms-strip{ background:var(--paper-2); padding:56px 0; }
  .terms-grid{ display:grid; grid-template-columns:repeat(4, 1fr); gap:32px; }
  @media (max-width:820px){ .terms-grid{ grid-template-columns:repeat(2, 1fr); } }
  @media (max-width:480px){ .terms-grid{ grid-template-columns:1fr; } }
  .term{ border-left:2px solid var(--brass); padding-left:16px; }
  .term .val{ font-family:'Space Grotesk', sans-serif; font-size:22px; font-weight:600; }
  .term .lbl{ font-size:12.5px; color:var(--paper-ink-dim); margin-top:6px; }

  /* ---------- TEAM ---------- */
  .team-grid{ display:grid; grid-template-columns:repeat(2, 1fr); gap:28px; }
  @media (max-width:720px){ .team-grid{ grid-template-columns:1fr; } }
  .team-card{
    border:1px solid rgba(51,104,160,0.16); padding:32px; position:relative;
    opacity:0; transform:translateY(14px); transition:opacity 0.6s ease, transform 0.6s ease;
  }
  .team-card.in{ opacity:1; transform:translateY(0); }
  .team-mark{
    width:52px; height:52px; border:1px solid var(--brass); display:flex; align-items:center; justify-content:center;
    color:var(--brass); font-family:'Space Grotesk', sans-serif; font-weight:600; font-size:16px; margin-bottom:22px;
  }
  .team-card h3{ font-size:18px; }
  .team-card .role{ color:var(--brass); font-size:12.5px; letter-spacing:0.04em; text-transform:uppercase; margin:6px 0 14px; }
  .team-card p.bio{ color:var(--paper-ink-dim); font-size:14.5px; }
  .team-card .cred{ list-style:none; margin-top:18px; padding-top:16px; border-top:1px solid rgba(51,104,160,0.14); }
  .team-card .cred li{ font-size:12px; color:var(--paper-ink-dim); padding:5px 0 5px 16px; position:relative; letter-spacing:0.01em; }
  .team-card .cred li::before{ content:"+"; position:absolute; left:0; color:var(--brass); }

  /* ---------- CONTACT ---------- */
  .contact-section{ color:var(--line); }
  .contact-layout{ display:grid; grid-template-columns:1fr 1fr; gap:64px; }
  @media (max-width:820px){ .contact-layout{ grid-template-columns:1fr; gap:44px; } }
  .contact-info p{ color:var(--line-dim); font-size:15.5px; max-width:42ch; margin-bottom:28px; }
  .info-line{ display:flex; justify-content:space-between; padding:14px 0; border-bottom:1px solid rgba(242,239,231,0.18); font-size:14px; }
  .info-line .k{ color:var(--line-dim); }
  .info-line .v{ color:var(--sand); }

  form{ display:flex; flex-direction:column; gap:16px; }
  .field{ display:flex; flex-direction:column; gap:6px; }
  .field label{ font-size:12px; letter-spacing:0.05em; text-transform:uppercase; color:var(--line-dim); }
  .field input, .field textarea{
    background:transparent; border:1px solid var(--line-dim); color:var(--sand);
    padding:12px 14px; font-family:'Inter', sans-serif; font-size:14.5px; border-radius:var(--radius);
  }
  .field input:focus, .field textarea:focus{ outline:none; border-color:var(--brass-light); }
  .field textarea{ resize:vertical; min-height:100px; }
  form .btn-primary{ align-self:flex-start; border:none; cursor:pointer; }
  form .btn-primary:disabled{ opacity:0.6; cursor:wait; transform:none; }
  .hp{ position:absolute; left:-9999px; width:1px; height:1px; opacity:0; }
  .contact-link{ border-bottom:1px solid rgba(242,239,231,0.35); transition:border-color 0.2s, color 0.2s; }
  .contact-link:hover, .contact-link:focus-visible{ color:var(--sand); border-bottom-color:var(--sand); }
  .form-status{ font-size:13px; line-height:1.4; min-height:1.2em; }
  .form-status.ok{ color:var(--brass-light); }
  .form-status.err{ color:#B4544E; }

  footer{ padding:32px 0; background:var(--ink-2); color:var(--line-dim); font-size:12.5px; }
  .foot-row{ display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:12px; }
  .foot-brand{ display:flex; align-items:center; gap:10px; }
  .foot-mark{ height:20px; width:auto; opacity:0.85; }

  .reveal{ opacity:0; transform:translateY(14px); transition:opacity 0.6s ease, transform 0.6s ease; }
  .reveal.in{ opacity:1; transform:translateY(0); }