/* ============ Design tokens ============ */
  :root{
    --bg:#F5F7FA;
    --surface:#FFFFFF;
    --surface-alt:#EDF2F8;
    --text:#16213A;
    --text-muted:#55637C;
    --heading:#12294F;
    --accent:#F07800;
    --accent-deep:#C85F00;
    --accent-ink:#17130B;
    --accent-blue:#2D7DC0;
    --sky:#6FB8EA;
    --border:rgba(18,41,79,0.13);
    --header-bg:rgba(255,255,255,0.86);
    --card-shadow:0 10px 28px rgba(18,41,79,0.09);

    /* deliberately fixed brand bands — same in light and dark, like a printed cover color */
    --hero-1:#0E2547;
    --hero-2:#1E4680;
    --hero-text:#F3F7FC;
    --hero-text-muted:#AFC6E4;
    --footer-bg:#0E2547;
    --footer-text:#E9EFF8;
    --footer-text-muted:#93A9C8;
    --on-navy:#FFFFFF;

    --radius-s:6px;
    --radius-m:12px;
    --container:1180px;
  }
  @media (prefers-color-scheme: dark){
    :root:not([data-theme="light"]){
      --bg:#0D1526;
      --surface:#152139;
      --surface-alt:#101A30;
      --text:#E7EEF7;
      --text-muted:#93A5C0;
      --heading:#F2F6FB;
      --accent:#FF9036;
      --accent-deep:#F07800;
      --accent-ink:#17130B;
      --accent-blue:#6FB8EA;
      --sky:#6FB8EA;
      --border:rgba(231,238,247,0.14);
      --header-bg:rgba(13,21,38,0.86);
      --card-shadow:0 10px 30px rgba(0,0,0,0.45);
    }
  }
  :root[data-theme="dark"]{
    --bg:#0D1526;
    --surface:#152139;
    --surface-alt:#101A30;
    --text:#E7EEF7;
    --text-muted:#93A5C0;
    --heading:#F2F6FB;
    --accent:#FF9036;
    --accent-deep:#F07800;
    --accent-ink:#17130B;
    --accent-blue:#6FB8EA;
    --sky:#6FB8EA;
    --border:rgba(231,238,247,0.14);
    --header-bg:rgba(13,21,38,0.86);
    --card-shadow:0 10px 30px rgba(0,0,0,0.45);
  }

  /* ============ Base ============ */
  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;}
  @media (prefers-reduced-motion: no-preference){
    html{scroll-behavior:smooth;}
  }
  body{
    margin:0;
    background:var(--bg);
    color:var(--text);
    font-family:'Public Sans','Segoe UI',Arial,sans-serif;
    font-size:16px;
    line-height:1.6;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;}
  a{color:inherit;text-decoration:none;}
  h1,h2,h3,h4{
    font-family:'Big Shoulders Display','Arial Narrow',Arial,sans-serif;
    font-weight:800;
    line-height:1.05;
    color:var(--heading);
    margin:0;
    text-wrap:balance;
    letter-spacing:0.01em;
  }
  p{margin:0;}
  ul{margin:0;padding:0;list-style:none;}
  button{font:inherit;}
  .container{
    max-width:var(--container);
    margin:0 auto;
    padding:0 24px;
  }
  .eyebrow{
    display:inline-flex;
    align-items:center;
    gap:8px;
    font-family:'IBM Plex Mono','Courier New',monospace;
    font-size:12.5px;
    font-weight:600;
    letter-spacing:0.14em;
    text-transform:uppercase;
    color:var(--accent-blue);
  }
  .mark{
    width:14px;height:14px;flex:none;color:var(--accent);
  }
  section{scroll-margin-top:100px;}
  .visually-hidden{
    position:absolute;width:1px;height:1px;overflow:hidden;
    clip:rect(0 0 0 0);white-space:nowrap;
  }
  :focus-visible{outline:2.5px solid var(--accent);outline-offset:3px;}

  /* ============ Buttons ============ */
  .btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    padding:13px 24px;
    border-radius:var(--radius-s);
    font-weight:700;
    font-size:15px;
    border:1.5px solid transparent;
    cursor:pointer;
    transition:transform .15s ease, box-shadow .15s ease, background-color .15s ease, border-color .15s ease;
    white-space:nowrap;
  }
  .btn-primary{
    background:var(--accent);
    color:var(--accent-ink);
  }
  .btn-primary:hover{background:var(--accent-deep); transform:translateY(-1px);}
  .btn-ghost-onhero{
    background:transparent;
    border-color:rgba(255,255,255,0.55);
    color:var(--hero-text);
  }
  .btn-ghost-onhero:hover{border-color:#fff; background:rgba(255,255,255,0.08);}
  .btn-outline{
    background:transparent;
    border-color:var(--border);
    color:var(--heading);
  }
  .btn-outline:hover{border-color:var(--accent-blue); color:var(--accent-blue);}

  /* ============ Header ============ */
  header{
    position:sticky;top:0;z-index:50;
    background:var(--header-bg);
    backdrop-filter:blur(10px);
    -webkit-backdrop-filter:blur(10px);
    border-bottom:1px solid transparent;
    transition:border-color .2s ease, box-shadow .2s ease;
  }
  header.is-scrolled{
    border-bottom-color:var(--border);
    box-shadow:0 6px 20px rgba(18,41,79,0.08);
  }
  .nav-row{
    display:flex;align-items:center;justify-content:space-between;
    gap:20px;
    height:92px;
  }
  .brand{display:flex;align-items:center;gap:12px;}
  .logo-badge{
    background:#FFFFFF;
    border-radius:14px;
    padding:10px 15px;
    box-shadow:var(--card-shadow);
    display:flex;align-items:center;
    flex:none;
  }
  .logo-badge img{height:56px;width:auto;}
  .brand-word{
    font-family:'Big Shoulders Display',sans-serif;
    font-weight:800;
    font-size:19px;
    color:var(--heading);
    letter-spacing:0.01em;
    line-height:1.1;
  }
  .brand-word span{color:var(--accent);}
  nav.primary-nav{display:flex;align-items:center;gap:34px;}
  .nav-links{display:flex;align-items:center;gap:30px;}
  .nav-links a{
    font-size:14.5px;font-weight:600;color:var(--text-muted);
    position:relative;padding:6px 0;
    transition:color .15s ease;
  }
  .nav-links a:hover{color:var(--heading);}
  .nav-links a::after{
    content:"";position:absolute;left:0;bottom:0;height:2px;width:0;
    background:var(--accent);transition:width .2s ease;
  }
  .nav-links a:hover::after{width:100%;}
  .nav-cta{display:flex;align-items:center;gap:14px;}
  .nav-phone{
    font-family:'IBM Plex Mono',monospace;font-size:13.5px;font-weight:500;
    color:var(--text-muted);display:flex;align-items:center;gap:6px;
  }
  .nav-phone svg{width:15px;height:15px;color:var(--accent-blue);}
  .menu-toggle{
    display:none;
    background:none;border:1.5px solid var(--border);border-radius:8px;
    width:42px;height:42px;align-items:center;justify-content:center;
    color:var(--heading);cursor:pointer;flex:none;
  }
  .menu-toggle svg{width:20px;height:20px;}
  .mobile-panel{display:none;}

  @media (max-width:900px){
    .nav-row{height:76px;}
    .logo-badge{padding:7px 10px;border-radius:11px;}
    .logo-badge img{height:42px;}
    .nav-links, .nav-phone{display:none;}
    .menu-toggle{display:flex;}
    nav.primary-nav{gap:12px;}
    .mobile-panel{
      display:none;
      position:absolute;left:0;right:0;top:76px;
      background:var(--surface);
      border-bottom:1px solid var(--border);
      box-shadow:0 16px 30px rgba(18,41,79,0.12);
    }
    .mobile-panel.open{display:block;}
    .mobile-panel .container{padding:18px 24px 26px;display:flex;flex-direction:column;gap:4px;}
    .mobile-panel a{
      padding:12px 4px;font-weight:600;color:var(--text);
      border-bottom:1px solid var(--border);font-size:15.5px;
    }
    .mobile-panel a:last-of-type{border-bottom:none;}
    .mobile-panel .btn{margin-top:12px;width:100%;}
    .mobile-phone{
      font-family:'IBM Plex Mono',monospace;font-size:13.5px;color:var(--text-muted);
      padding-top:6px;
    }
  }

  /* ============ Hero ============ */
  .hero{
    position:relative;
    background:linear-gradient(160deg,var(--hero-1) 0%, var(--hero-2) 78%);
    color:var(--hero-text);
    overflow:hidden;
  }
  .hero canvas{
    position:absolute;inset:0;width:100%;height:100%;
    opacity:.9;
    pointer-events:none;
  }
  .hero-flex{
    position:relative;z-index:1;
    padding:100px 0 92px;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:40px;
  }
  .hero-inner{
    display:grid;
    gap:26px;
    max-width:640px;
    flex:1 1 460px;
    min-width:0;
  }
  .hero-medallion{
    position:relative;
    flex:0 0 auto;
    width:280px;height:280px;
  }
  .medallion-ticks{
    position:absolute;inset:0;
    border-radius:50%;
    background:repeating-conic-gradient(from 0deg, var(--accent) 0deg 0.7deg, transparent 0.7deg 6deg);
    -webkit-mask:radial-gradient(farthest-side, transparent calc(100% - 15px), #000 calc(100% - 14px));
    mask:radial-gradient(farthest-side, transparent calc(100% - 15px), #000 calc(100% - 14px));
    opacity:0.9;
  }
  @media (prefers-reduced-motion: no-preference){
    .medallion-ticks{animation:medallion-spin 220s linear infinite;}
  }
  @keyframes medallion-spin{ to{transform:rotate(360deg);} }
  .medallion-ring{
    position:absolute;inset:18px;
    border-radius:50%;
    border:1.5px solid rgba(255,255,255,0.32);
  }
  .medallion-plate{
    position:absolute;inset:38px;
    border-radius:50%;
    background:#FFFFFF;
    box-shadow:0 20px 44px rgba(6,14,28,0.4), 0 0 0 1px rgba(255,255,255,0.05);
    display:flex;align-items:center;justify-content:center;
    padding:15%;
  }
  .medallion-plate img{width:100%;height:auto;}
  @media (max-width:960px){
    .hero-medallion{width:220px;height:220px;}
    .medallion-ring{inset:14px;}
    .medallion-plate{inset:30px;}
  }
  @media (max-width:760px){
    .hero-flex{flex-direction:column;align-items:flex-start;gap:32px;padding:80px 0 60px;}
    .hero-medallion{order:-1;align-self:center;width:168px;height:168px;}
    .medallion-ring{inset:10px;}
    .medallion-plate{inset:22px;}
    .hero-inner{max-width:100%;}
  }
  .hero .eyebrow{color:var(--sky);}
  .hero .mark{color:var(--accent);}
  .hero h1{
    color:#fff;
    font-size:clamp(2.5rem, 5.4vw, 4.1rem);
    text-transform:uppercase;
    letter-spacing:0.005em;
  }
  .hero h1 em{
    font-style:normal;color:var(--accent);
  }
  .hero-sub{
    font-size:clamp(1.02rem,1.6vw,1.18rem);
    color:var(--hero-text-muted);
    max-width:56ch;
    line-height:1.65;
  }
  .hero-ctas{display:flex;flex-wrap:wrap;gap:14px;margin-top:6px;}
  .hero-coord{
    position:absolute;left:28px;bottom:22px;z-index:1;
    font-family:'IBM Plex Mono',monospace;
    font-size:12px;letter-spacing:0.06em;
    color:rgba(175,198,228,0.55);
    text-align:left;
    display:none;
  }
  @media (min-width:760px){ .hero-coord{display:block;} }

  .highlights{
    position:relative;z-index:1;
    border-top:1px solid rgba(255,255,255,0.14);
    background:rgba(6,16,32,0.28);
  }
  .highlights .container{
    display:grid;grid-template-columns:repeat(4,1fr);gap:0;
  }
  .highlight-item{
    display:flex;align-items:center;gap:12px;
    padding:20px 18px;
    border-right:1px solid rgba(255,255,255,0.12);
  }
  .highlight-item:last-child{border-right:none;}
  .highlight-item svg{width:26px;height:26px;color:var(--accent);flex:none;}
  .highlight-item span{font-size:13.5px;font-weight:600;color:var(--hero-text);line-height:1.3;}
  @media (max-width:900px){
    .highlights .container{grid-template-columns:repeat(2,1fr);}
    .highlight-item{border-bottom:1px solid rgba(255,255,255,0.12);}
    .highlight-item:nth-child(2n){border-right:none;}
  }

  /* ============ Section shells ============ */
  .section{padding:96px 0;}
  .section-alt{background:var(--surface-alt);}
  .section-head{
    display:flex;justify-content:space-between;align-items:flex-end;gap:32px;
    margin-bottom:52px;
  }
  .section-head h2{font-size:clamp(1.8rem,3.4vw,2.5rem);}
  .section-head .eyebrow{margin-bottom:14px;}
  .section-head p{color:var(--text-muted);max-width:44ch;font-size:15.5px;}
  @media (max-width:760px){
    .section{padding:68px 0;}
    .section-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:38px;}
  }

  /* ============ Services ============ */
  .services-grid{
    display:grid;grid-template-columns:repeat(3,1fr);gap:22px;
  }
  .service-card{
    position:relative;
    background:var(--surface);
    border:1px solid var(--border);
    border-radius:var(--radius-m);
    padding:30px 26px 26px;
    box-shadow:var(--card-shadow);
    transition:transform .18s ease, box-shadow .18s ease;
  }
  .service-card:hover{transform:translateY(-3px);}
  .service-card .tick{
    position:absolute;top:14px;right:14px;width:13px;height:13px;color:var(--border);
  }
  .service-icon{
    width:52px;height:52px;border-radius:10px;
    display:flex;align-items:center;justify-content:center;
    background:var(--surface-alt);
    color:var(--accent-blue);
    margin-bottom:20px;
  }
  .service-icon svg{width:27px;height:27px;}
  .service-card h3{
    font-family:'Public Sans',sans-serif;font-weight:700;font-size:18px;
    color:var(--heading);margin-bottom:10px;letter-spacing:0;text-transform:none;
  }
  .service-card p{color:var(--text-muted);font-size:14.5px;line-height:1.65;}
  @media (max-width:960px){ .services-grid{grid-template-columns:repeat(2,1fr);} }
  @media (max-width:640px){ .services-grid{grid-template-columns:1fr;} }

  /* ============ Nosotros ============ */
  .about-grid{
    display:grid;grid-template-columns:1.05fr 0.95fr;gap:64px;align-items:center;
  }
  .about-copy h2{font-size:clamp(1.9rem,3.6vw,2.6rem);margin-bottom:20px;}
  .about-copy .eyebrow{margin-bottom:14px;}
  .about-copy p{color:var(--text-muted);font-size:16px;line-height:1.75;max-width:56ch;}
  .values-list{margin-top:34px;display:grid;grid-template-columns:1fr 1fr;gap:22px 28px;}
  .value-item{display:flex;gap:14px;}
  .value-item svg{width:22px;height:22px;color:var(--accent);flex:none;margin-top:2px;}
  .value-item h4{font-family:'Public Sans',sans-serif;font-weight:700;font-size:15px;color:var(--heading);margin-bottom:4px;text-transform:none;}
  .value-item p{font-size:13.5px;color:var(--text-muted);line-height:1.55;}

  .about-panel{
    position:relative;
    aspect-ratio:1/1;
    border-radius:var(--radius-m);
    background:linear-gradient(160deg,var(--hero-1), var(--hero-2));
    overflow:hidden;
    display:flex;align-items:center;justify-content:center;
  }
  .about-panel canvas{position:absolute;inset:0;width:100%;height:100%;opacity:.85;}
  .about-panel .stat-chip{
    position:relative;z-index:1;
    background:rgba(9,20,38,0.55);
    border:1px solid rgba(255,255,255,0.22);
    backdrop-filter:blur(6px);
    -webkit-backdrop-filter:blur(6px);
    border-radius:var(--radius-m);
    padding:26px 30px;
    text-align:center;
    color:#fff;
    max-width:78%;
  }
  .about-panel .stat-chip svg{width:34px;height:34px;color:var(--accent);margin:0 auto 12px;}
  .about-panel .stat-chip strong{
    display:block;font-family:'Big Shoulders Display',sans-serif;
    font-weight:800;font-size:22px;letter-spacing:0.03em;text-transform:uppercase;margin-bottom:8px;
  }
  .about-panel .stat-chip span{font-size:13px;color:var(--hero-text-muted);line-height:1.5;}
  @media (max-width:900px){
    .about-grid{grid-template-columns:1fr;gap:40px;}
    .about-panel{order:-1;max-width:360px;margin:0 auto;}
    .values-list{grid-template-columns:1fr;}
  }

  /* ============ Proyectos ============ */
  .proyectos-note{
    display:flex;gap:14px;align-items:flex-start;
    background:var(--surface);border:1px dashed var(--border);
    border-radius:var(--radius-m);
    padding:18px 22px;margin-bottom:40px;
  }
  .proyectos-note svg{width:20px;height:20px;color:var(--accent-blue);flex:none;margin-top:2px;}
  .proyectos-note p{font-size:14px;color:var(--text-muted);line-height:1.6;}
  .proyectos-note strong{color:var(--heading);}
  .projects-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
  .project-card{
    border-radius:var(--radius-m);
    border:1px solid var(--border);
    background:var(--surface);
    overflow:hidden;
    box-shadow:var(--card-shadow);
  }
  .project-thumb{
    position:relative;aspect-ratio:4/3;
    background:linear-gradient(150deg,var(--hero-1),var(--hero-2));
    overflow:hidden;
  }
  .project-thumb canvas{position:absolute;inset:0;width:100%;height:100%;opacity:.8;}
  .project-badge{
    position:absolute;top:12px;left:12px;z-index:1;
    font-family:'IBM Plex Mono',monospace;font-size:10.5px;letter-spacing:0.08em;
    text-transform:uppercase;color:#fff;background:rgba(9,20,38,0.55);
    border:1px solid rgba(255,255,255,0.3);
    padding:5px 9px;border-radius:5px;
  }
  .project-body{padding:20px 22px 24px;}
  .project-body .cat{
    font-family:'IBM Plex Mono',monospace;font-size:11px;font-weight:600;
    letter-spacing:0.08em;text-transform:uppercase;color:var(--accent-blue);
  }
  .project-body h3{
    font-family:'Public Sans',sans-serif;font-weight:700;font-size:16.5px;
    color:var(--heading);margin:8px 0 4px;text-transform:none;font-style:normal;
  }
  .project-body p{font-size:13px;color:var(--text-muted);opacity:.8;}
  @media (max-width:960px){ .projects-grid{grid-template-columns:1fr 1fr;} }
  @media (max-width:640px){ .projects-grid{grid-template-columns:1fr;} }

  /* ============ Contacto ============ */
  .contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;}
  .contact-copy h2{font-size:clamp(1.9rem,3.6vw,2.6rem);margin-bottom:18px;}
  .contact-copy > p{color:var(--text-muted);font-size:16px;line-height:1.7;max-width:48ch;margin-bottom:34px;}
  .contact-methods{display:grid;gap:14px;}
  .contact-method{
    display:flex;align-items:center;gap:16px;
    padding:16px 18px;
    background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-m);
    transition:border-color .15s ease, transform .15s ease;
  }
  a.contact-method:hover{border-color:var(--accent-blue);transform:translateX(3px);}
  .contact-method .ic{
    width:42px;height:42px;border-radius:9px;flex:none;
    background:var(--surface-alt);color:var(--accent-blue);
    display:flex;align-items:center;justify-content:center;
  }
  .contact-method .ic svg{width:20px;height:20px;}
  .contact-method .cm-label{font-size:12px;color:var(--text-muted);letter-spacing:0.03em;}
  .contact-method .cm-value{
    font-family:'IBM Plex Mono',monospace;font-weight:500;font-size:14.5px;color:var(--heading);
  }
  .contact-panel{
    background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-m);
    padding:34px;box-shadow:var(--card-shadow);
  }
  .contact-panel h3{
    font-family:'Public Sans',sans-serif;font-weight:700;font-size:16px;text-transform:none;
    color:var(--heading);margin-bottom:6px;
  }
  .contact-panel > p{font-size:13.5px;color:var(--text-muted);margin-bottom:24px;line-height:1.6;}
  .schedule-row{display:flex;justify-content:space-between;padding:12px 0;border-top:1px solid var(--border);font-size:14px;}
  .schedule-row:first-of-type{border-top:none;}
  .schedule-row span:first-child{color:var(--text-muted);}
  .schedule-row span:last-child{font-family:'IBM Plex Mono',monospace;font-weight:500;color:var(--heading);}
  .social-row{display:flex;gap:10px;margin-top:26px;}
  .social-row a{
    width:38px;height:38px;border-radius:8px;border:1px solid var(--border);
    display:flex;align-items:center;justify-content:center;color:var(--text-muted);
    transition:color .15s ease, border-color .15s ease;
  }
  .social-row a:hover{color:var(--accent-blue);border-color:var(--accent-blue);}
  .social-row svg{width:17px;height:17px;}
  @media (max-width:860px){ .contact-grid{grid-template-columns:1fr;gap:36px;} }

  /* ============ Footer ============ */
  footer{background:var(--footer-bg);color:var(--footer-text);}
  .footer-top{padding:64px 0 44px;}
  .footer-grid{
    display:grid;grid-template-columns:1.3fr 0.9fr 0.9fr 1.1fr;gap:40px;
  }
  .footer-brand .logo-badge{margin-bottom:16px;}
  .footer-tagline{
    font-family:'IBM Plex Mono',monospace;font-size:12.5px;letter-spacing:0.05em;
    color:var(--footer-text-muted);max-width:32ch;line-height:1.6;
  }
  .footer-col h5{
    font-family:'IBM Plex Mono',monospace;font-size:12px;letter-spacing:0.1em;text-transform:uppercase;
    color:var(--footer-text-muted);margin-bottom:18px;font-weight:600;
  }
  .footer-col ul{display:grid;gap:11px;}
  .footer-col a, .footer-col p{
    font-size:14px;color:var(--footer-text);opacity:0.85;line-height:1.5;
  }
  .footer-col a:hover{opacity:1;color:var(--accent);}
  .footer-bottom{
    border-top:1px solid rgba(255,255,255,0.12);
    padding:22px 0;
    display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
  }
  .footer-bottom p{font-size:12.5px;color:var(--footer-text-muted);}
  @media (max-width:900px){
    .footer-grid{grid-template-columns:1fr 1fr;row-gap:36px;}
  }
  @media (max-width:560px){
    .footer-grid{grid-template-columns:1fr;}
  }

  /* ============ WhatsApp float ============ */
  .wa-float{
    position:fixed;right:22px;bottom:22px;z-index:60;
    width:56px;height:56px;border-radius:50%;
    background:#25D366;color:#fff;
    display:flex;align-items:center;justify-content:center;
    box-shadow:0 10px 24px rgba(0,0,0,0.28);
    transition:transform .15s ease;
  }
  .wa-float:hover{transform:scale(1.06);}
  .wa-float svg{width:28px;height:28px;}