/* ============================================================
   ALQUITECH · site.css — base compartida (tokens, nav, hero, footer, CTA)
   Generado desde las páginas; se carga antes del CSS propio de cada página.
   ============================================================ */


  :root{
    --paper:#FFFFFF;
    --bone:#EDEDED;
    --paper-warm:#FAFAFA;
    --ink:#0A0A0A;
    --charcoal:#1A1A1A;
    --slate:#3A3A3A;
    --muted:#6B6B6B;
    --emerald:#0F3D2E;
    --emerald-bright:#1B6E51;
    --cobalt:#0B2A6B;
    --cobalt-bright:#1E40AF;
    --rust:#A8431B;
    --gold:#B8893A;
    --line:rgba(10,10,10,0.12);
    --line-strong:rgba(10,10,10,0.25);
  }
  *{box-sizing:border-box;margin:0;padding:0}
  html{scroll-behavior:smooth}
  body{
    font-family:'Geist',sans-serif;
    background:var(--paper);color:var(--ink);
    line-height:1.5;font-weight:400;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
  }
  .serif{font-family:'Instrument Serif',serif;font-weight:400;letter-spacing:-0.01em}
  .mono{font-family:'Geist Mono',monospace}
  .italic{font-style:italic}
  a{color:inherit;text-decoration:none}
  button{font-family:inherit;cursor:pointer;border:none;background:none}
  img{max-width:100%;display:block}
  /* ============ NAV ============ */
  .nav{
    position:fixed;top:0;left:0;right:0;z-index:100;
    background:rgba(255,255,255,0.85);
    backdrop-filter:blur(20px);
    -webkit-backdrop-filter:blur(20px);
    border-bottom:1px solid var(--line);
  }
  .nav-inner{
    max-width:1400px;margin:0 auto;
    padding:18px 40px;
    display:flex;align-items:center;justify-content:space-between;gap:24px;
  }
  .logo{display:flex;align-items:center;gap:12px;text-decoration:none}
  .logo-img{
    height:42px;width:auto;max-width:200px;
    object-fit:contain;display:block;transition:opacity 0.2s;
  }
  .logo:hover .logo-img{opacity:0.75}
  .nav-menu{display:flex;gap:36px;list-style:none}
  .nav-menu a{
    font-size:13px;color:var(--slate);transition:color 0.2s;
  }
  .nav-menu a:hover, .nav-menu a.active{color:var(--ink)}
  .nav-menu a.active{font-weight:500}
  .nav-cta{display:flex;gap:12px;align-items:center}
  .btn{
    padding:10px 22px;
    border-radius:14px;font-size:13px;font-weight:500;
    letter-spacing:0.02em;
    transition:all 0.2s;cursor:pointer;
    border:1px solid transparent;
    display:inline-flex;align-items:center;gap:8px;
    text-decoration:none;
  }
  .btn-ghost{color:var(--ink);border-color:var(--line-strong);background:transparent}
  .btn-ghost:hover{background:var(--ink);color:var(--paper)}
  .btn-primary{background:var(--ink);color:var(--paper)}
  .btn-primary:hover{background:var(--emerald)}
  .btn-emerald{background:var(--emerald);color:var(--paper)}
  .btn-emerald:hover{background:var(--emerald-bright)}
  .btn-paper{background:var(--paper);color:var(--ink)}
  .btn-paper:hover{background:#fff}
  .btn-lg{padding:16px 28px;font-size:14px}

  body.has-fixed-nav{padding-top:74px}

  /* ============ SHARED PAGE HEADER ============ */
  .page-hero{
    padding:80px 40px 60px;
    background:var(--paper);
    position:relative;
  }
  .page-hero-inner{max-width:1400px;margin:0 auto}
  .breadcrumb{
    font-family:'Geist Mono',monospace;
    font-size:11px;letter-spacing:0.12em;text-transform:uppercase;
    color:var(--muted);margin-bottom:24px;
    display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  }
  .breadcrumb a:hover{color:var(--ink)}
  .breadcrumb .sep{opacity:0.4}
  .page-hero h1{
    font-family:'Instrument Serif',serif;
    font-size:clamp(48px,7vw,96px);
    line-height:0.98;letter-spacing:-0.025em;
    font-weight:400;
    max-width:900px;
  }
  .page-hero h1 .italic{color:var(--emerald);font-style:italic}
  .page-hero .lead{
    font-size:18px;color:var(--slate);
    line-height:1.55;max-width:620px;
    margin-top:24px;
  }

  /* ============ FOOTER ============ */
  footer{background:var(--ink);color:var(--paper);padding:80px 40px 32px;margin-top:0}
  .foot-grid{
    max-width:1400px;margin:0 auto;
    display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:60px;
    padding-bottom:60px;
    border-bottom:1px solid rgba(255,255,255,0.15);
  }
  .foot-brand{display:flex;flex-direction:column;gap:24px}
  .foot-brand .logo-img-footer{
    width:160px;height:auto;display:block;
  }
  .foot-brand p{
    font-size:13px;color:rgba(255,255,255,0.6);line-height:1.6;
    max-width:320px;
  }
  .foot-col h5{
    font-family:'Geist Mono',monospace;
    font-size:11px;letter-spacing:0.15em;text-transform:uppercase;
    color:rgba(255,255,255,0.5);margin-bottom:20px;
  }
  .foot-col ul{list-style:none;display:flex;flex-direction:column;gap:10px}
  .foot-col a{font-size:13px;color:rgba(255,255,255,0.8);transition:color 0.2s}
  .foot-col a:hover{color:var(--paper)}
  .foot-bottom{
    max-width:1400px;margin:0 auto;padding-top:32px;
    display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;
    font-size:11px;color:rgba(255,255,255,0.4);
    font-family:'Geist Mono',monospace;letter-spacing:0.05em;
  }

  /* ============ MODAL ============ */
  .modal-bg{
    position:fixed;inset:0;
    background:rgba(10,10,10,0.6);
    backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
    z-index:9999;display:none;
    align-items:center;justify-content:center;padding:20px;
    animation:fadeIn 0.25s ease;
  }
  .modal-bg.active{display:flex}
  @keyframes fadeIn{from{opacity:0}to{opacity:1}}
  .modal{
    background:var(--paper);width:100%;max-width:480px;
    border-radius:16px;padding:48px;
    max-height:92vh;overflow-y:auto;position:relative;
    animation:slideUp 0.4s cubic-bezier(0.16,1,0.3,1);
  }
  @keyframes slideUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}
  .modal-close{
    position:absolute;top:14px;right:14px;
    width:32px;height:32px;border-radius:50%;
    background:var(--bone);color:var(--ink);
    display:flex;align-items:center;justify-content:center;
    font-size:18px;line-height:1;cursor:pointer;
  }
  .modal-tabs{
    display:flex;gap:4px;margin-bottom:28px;
    padding:4px;background:var(--bone);border-radius:14px;
  }
  .modal-tab{
    flex:1;padding:10px;font-size:13px;font-weight:500;
    color:var(--muted);border-radius:14px;transition:all 0.2s;
  }
  .modal-tab.active{background:var(--paper);color:var(--ink)}
  .modal h4{
    font-family:'Instrument Serif',serif;
    font-size:32px;line-height:1;margin-bottom:8px;font-weight:400;
  }
  .modal .sub{font-size:13px;color:var(--muted);margin-bottom:24px}
  .form-row{display:flex;flex-direction:column;gap:6px;margin-bottom:18px}
  .form-row label{
    font-family:'Geist Mono',monospace;
    font-size:10px;letter-spacing:0.12em;text-transform:uppercase;
    color:var(--muted);
  }
  .form-row input, .form-row textarea, .form-row select{
    padding:14px 0;border:none;border-bottom:1px solid var(--line-strong);
    background:transparent;font-family:'Geist',sans-serif;font-size:15px;
    color:var(--ink);outline:none;transition:border-color 0.2s;
    border-radius:0;
  }
  .form-row textarea{resize:vertical;min-height:80px}
  .form-row input:focus, .form-row textarea:focus, .form-row select:focus{border-color:var(--emerald)}
  .form-submit{
    width:100%;padding:16px;background:var(--ink);color:var(--paper);
    font-size:13px;font-weight:500;letter-spacing:0.05em;border-radius:14px;
  }
  .form-submit:hover{background:var(--emerald)}

  /* ============ FINAL CTA SHARED ============ */
  .final-cta{
    padding:120px 40px;background:var(--emerald);color:var(--paper);
    text-align:center;position:relative;overflow:hidden;
  }
  .final-cta::before,.final-cta::after{
    content:"";position:absolute;top:50%;
    width:600px;height:600px;border-radius:50%;
    background:radial-gradient(circle,rgba(27,110,81,0.4),transparent 70%);
    transform:translateY(-50%);
  }
  .final-cta::before{left:-200px}.final-cta::after{right:-200px}
  .final-cta-inner{position:relative;z-index:2;max-width:900px;margin:0 auto}
  .final-cta h2{
    font-family:'Instrument Serif',serif;
    font-size:clamp(48px,6vw,88px);line-height:0.95;letter-spacing:-0.025em;
    margin-bottom:20px;
  }
  .final-cta h2 .italic{font-style:italic;color:#a3d4bb}
  .final-cta p{font-size:17px;color:rgba(255,255,255,0.8);margin-bottom:36px;max-width:560px;margin-left:auto;margin-right:auto}

  /* ============ RESPONSIVE ============ */
  @media (max-width:1000px){
    .nav-menu{display:none}
    .logo-img{height:34px}
    .nav-inner{padding:14px 20px}
    .page-hero{padding:50px 24px 40px}
    .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
    footer{padding:60px 24px 28px}
    .final-cta{padding:80px 24px}
  }
  @media (max-width:520px){
    .foot-grid{grid-template-columns:1fr}
  }