:root{
    --navy: #013175;
    --navy-deep: #012459;
    --sky: #C0E9FE;
    --sky-soft: #EAF7FE;
    --accent: #00A9FB;
    --ink: #1C2733;
    --muted: #5B6B7C;
    --white: #FFFFFF;
    --paper: #FBFDFF;
    --line: #E1EAF2;
    --radius: 10px;
    --maxw: 1160px;
  }
  *{box-sizing:border-box;}
  html{scroll-behavior:smooth;touch-action:manipulation;}
  body{
    margin:0;
    font-family:"Roboto", Arial, sans-serif;
    color:var(--ink);
    background:var(--paper);
    line-height:1.6;
    -webkit-font-smoothing:antialiased;
  }
  h1,h2,h3,h4{
    font-family:"Roboto", Arial, sans-serif;
    font-weight:700;
    color:var(--navy);
    margin:0 0 .5em 0;
    line-height:1.2;
  }
  p{margin:0 0 1em 0;}
  a{color:var(--accent);text-decoration:none;}
  a:hover{text-decoration:underline;}
  img{max-width:100%;display:block;}
  ul{margin:0;padding:0;}
  .container{max-width:var(--maxw);margin:0 auto;padding:0 24px;}
  section{padding:72px 0;}
  .eyebrow{
    display:inline-block;
    font-size:13px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;
    color:var(--accent);margin-bottom:12px;
  }
  .section-head{max-width:680px;margin:0 auto 44px auto;text-align:center;}
  .section-head h2{font-size:clamp(26px,3.6vw,34px);}
  .section-head p{color:var(--muted);font-size:16px;}
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    padding:14px 28px;border-radius:6px;font-weight:700;font-size:15px;
    border:2px solid transparent;cursor:pointer;transition:transform .15s ease, box-shadow .15s ease;
  }
  .btn-primary{background:var(--accent);color:var(--white);}
  .btn-primary:hover{transform:translateY(-1px);box-shadow:0 8px 20px rgba(0,169,251,.35);text-decoration:none;}
  .btn-outline{background:transparent;color:var(--white);border-color:rgba(255,255,255,.55);}
  .btn-outline:hover{background:rgba(255,255,255,.12);text-decoration:none;}
  .btn-outline-navy{background:transparent;color:var(--navy);border-color:var(--navy);}
  .btn-outline-navy:hover{background:var(--navy);color:var(--white);text-decoration:none;}
  .visually-hidden{
    position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;
  }

  /* Skip link */
  .skip-link{
    position:absolute;left:-999px;top:0;background:var(--navy);color:var(--white);padding:10px 16px;z-index:100;
  }
  .skip-link:focus{left:0;}

  /* Header */
  header.site{
    position:sticky;top:0;z-index:40;
    background:var(--white);
    border-bottom:1px solid var(--line);
  }
  .nav-wrap{
    display:flex;align-items:center;justify-content:space-between;
    padding:14px 24px;max-width:var(--maxw);margin:0 auto;
  }
  .brand{display:flex;align-items:center;gap:10px;}
  .brand img{width:46px;height:46px;}
  .brand span{font-weight:900;font-size:20px;color:var(--navy);letter-spacing:.01em;}
  nav.primary{display:flex;align-items:center;gap:28px;}
  nav.primary a{
    color:var(--ink);font-weight:500;font-size:15px;
  }
  nav.primary a:hover{color:var(--accent);text-decoration:none;}
  nav.primary a[aria-current="page"]{color:var(--accent);}
  .nav-cta{display:flex;align-items:center;gap:14px;}
  .btn-sm{padding:10px 20px;font-size:14px;}
  .nav-toggle{
    display:none;background:none;border:none;cursor:pointer;padding:6px;
  }
  .nav-toggle svg{width:28px;height:28px;color:var(--navy);}

  @media (max-width:860px){
    nav.primary{
      position:absolute;top:100%;left:0;right:0;
      background:var(--white);border-bottom:1px solid var(--line);
      flex-direction:column;align-items:flex-start;gap:0;
      max-height:0;overflow:hidden;transition:max-height .25s ease;
    }
    nav.primary.open{max-height:420px;}
    nav.primary a{padding:14px 24px;width:100%;border-top:1px solid var(--line);}
    .nav-toggle{display:inline-flex;}
    .nav-cta .btn-sm{display:none;}
  }

  /* Hero */
  .hero{
    background:linear-gradient(160deg, var(--navy-deep) 0%, var(--navy) 65%, var(--navy) 100%);
    color:var(--white);
    padding:88px 0 76px 0;
  }
  .hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;}
  .hero h1{color:var(--white);font-size:clamp(30px,4.2vw,46px);margin-bottom:20px;}
  .hero .lead{font-size:18px;color:#DCEBFB;max-width:54ch;}
  .hero .cta-row{display:flex;gap:16px;flex-wrap:wrap;margin-top:30px;}
  .hero-trust{
    margin-top:40px;padding-top:24px;border-top:1px solid rgba(255,255,255,.18);
    display:flex;gap:28px;flex-wrap:wrap;font-size:13.5px;color:#BFD8F2;
  }
  .hero-trust .item{display:flex;align-items:center;gap:8px;}
  .hero-trust svg{width:16px;height:16px;color:var(--accent);flex:none;}
  .hero-art{
    background:rgba(255,255,255,.06);
    border:1px solid rgba(255,255,255,.16);
    border-radius:var(--radius);
    aspect-ratio:1/1;
    overflow:hidden;
    box-shadow:0 20px 48px rgba(1,18,45,.45);
  }
  .hero-art img{
    width:100%;height:100%;object-fit:cover;object-position:center 30%;
    border-radius:var(--radius);
  }

  @media (max-width:860px){
    .hero-grid{grid-template-columns:1fr;}
    .hero-art{max-width:420px;margin:0 auto;}
  }

  /* Nosotros */
  .nosotros{background:var(--white);}
  .nosotros-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:52px;align-items:flex-start;}
  .nosotros h3{font-size:19px;margin-top:28px;}
  .nosotros h3:first-child{margin-top:0;}
  .nosotros p{color:var(--muted);font-size:15.5px;}
  figure.team-figure{
    margin:0;background:var(--sky-soft);border:1px solid var(--line);border-radius:var(--radius);
    padding:0;overflow:hidden;
  }
  figure.team-figure img{
    width:100%;height:auto;display:block;
  }
  figure.team-figure figcaption{
    padding:12px 16px;font-size:12.5px;color:var(--muted);border-top:1px solid var(--line);
  }
  @media (max-width:860px){.nosotros-grid{grid-template-columns:1fr;}}

  /* Servicios */
  .servicios{background:var(--sky-soft);}
  .servicios-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
  .svc-card{
    background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
    padding:26px 22px;display:flex;flex-direction:column;gap:10px;
  }
  .svc-num{
    width:34px;height:34px;border-radius:8px;background:var(--sky);
    display:flex;align-items:center;justify-content:center;color:var(--navy);font-weight:700;font-size:14px;
  }
  .svc-card h3{font-size:16.5px;margin:6px 0 2px 0;}
  .svc-card p{font-size:14px;color:var(--muted);margin-bottom:4px;}
  .svc-card .ideal{font-size:12.5px;color:var(--navy);font-weight:500;}
  .svc-card .ideal strong{font-weight:700;}
  @media (max-width:1024px){.servicios-grid{grid-template-columns:repeat(2,1fr);}}

  /* En móvil, las tarjetas de servicio se apilan una sobre otra al hacer scroll */
  @media (max-width:700px){
    .servicios-grid{display:block;}
    .svc-card{
      position:sticky;
      margin-bottom:18px;
      box-shadow:0 14px 30px rgba(1,36,89,.18);
    }
    .svc-card:nth-child(1){top:82px;  z-index:1;}
    .svc-card:nth-child(2){top:88px;  z-index:2;}
    .svc-card:nth-child(3){top:94px;  z-index:3;}
    .svc-card:nth-child(4){top:100px; z-index:4;}
    .svc-card:nth-child(5){top:106px; z-index:5;}
    .svc-card:nth-child(6){top:112px; z-index:6;}
    .svc-card:nth-child(7){top:118px; z-index:7;}
    .svc-card:nth-child(8){top:124px; z-index:8; margin-bottom:0;}
  }

  /* Proceso */
  .proceso{background:var(--white);}
  .proceso-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;}
  .step{position:relative;padding:0 20px 0 0;}
  .step:not(:last-child){border-right:1px solid var(--line);}
  .step-num{
    width:46px;height:46px;border-radius:50%;background:var(--navy);color:var(--white);
    display:flex;align-items:center;justify-content:center;font-weight:700;font-size:17px;margin-bottom:16px;
  }
  .step h3{font-size:16px;}
  .step p{font-size:14px;color:var(--muted);}
  @media (max-width:860px){
    .proceso-grid{grid-template-columns:1fr;gap:28px;}
    .step{border-right:none !important;padding-right:0;border-left:2px solid var(--sky);padding-left:20px;}
  }

  /* Testimonios */
  .testimonios{background:var(--navy);color:var(--white);}
  .testimonios .section-head h2{color:var(--white);}
  .testimonios .section-head p{color:#BFD8F2;}

  .testi-carousel{display:flex;align-items:center;gap:14px;}
  .testi-track{
    display:flex;gap:20px;flex:1;overflow-x:auto;scroll-snap-type:x mandatory;
    scroll-behavior:smooth;padding-bottom:4px;
    scrollbar-width:none;-ms-overflow-style:none;
  }
  .testi-track::-webkit-scrollbar{display:none;}
  .testi-card{
    background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);
    border-radius:var(--radius);padding:26px;
    scroll-snap-align:start;scroll-snap-stop:always;
    flex:0 0 calc((100% - 40px)/3);min-width:0;
  }
  .testi-card svg{width:26px;height:26px;color:var(--accent);margin-bottom:12px;}
  .testi-card p.quote{font-size:14.5px;color:#E7F1FB;font-style:italic;margin-bottom:14px;}
  .testi-card .who{font-size:13.5px;font-weight:700;color:var(--white);}
  .testi-nav{
    flex:none;width:42px;height:42px;border-radius:50%;
    background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.22);color:var(--white);
    display:flex;align-items:center;justify-content:center;cursor:pointer;
  }
  .testi-nav:hover{background:rgba(255,255,255,.16);}
  .testi-nav svg{width:20px;height:20px;}
  @media (max-width:860px){
    .testi-card{flex-basis:100%;}
  }

  /* Contacto */
  .contacto{background:var(--sky-soft);}
  .contacto-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:48px;align-items:flex-start;}
  .info-card{
    background:var(--navy);color:var(--white);border-radius:var(--radius);padding:32px;
  }
  .info-card h3{color:var(--white);font-size:19px;margin-bottom:18px;}
  .info-row{display:flex;gap:12px;margin-bottom:16px;font-size:14.5px;color:#DCEBFB;}
  .info-row svg{width:20px;height:20px;color:var(--accent);flex:none;margin-top:2px;}
  .info-row a{color:var(--white);}
  .info-card .coverage{margin-top:20px;padding-top:20px;border-top:1px solid rgba(255,255,255,.18);font-size:13px;color:#BFD8F2;}

  form.contact-form{
    background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:32px;
  }
  .form-row{margin-bottom:18px;}
  .form-row label{display:block;font-size:13.5px;font-weight:700;color:var(--navy);margin-bottom:6px;}
  .req{color:#D9534F;font-weight:700;}
  .form-row input{
    width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:6px;font-size:16px;
    font-family:inherit;color:var(--ink);background:var(--paper);
  }
  .form-row input:focus{outline:2px solid var(--accent);outline-offset:1px;}
  .form-row input:invalid:not(:placeholder-shown):not(:focus){border-color:#D9534F;}
  .phone-group{
    display:flex;align-items:stretch;border:1px solid var(--line);border-radius:6px;overflow:hidden;
    background:var(--paper);
  }
  .phone-group:focus-within{outline:2px solid var(--accent);outline-offset:1px;}
  .phone-prefix{
    display:flex;align-items:center;padding:0 12px;background:var(--sky-soft);color:var(--navy);
    font-weight:700;font-size:15px;border-right:1px solid var(--line);flex:none;
  }
  .phone-group input{
    border:none;border-radius:0;background:transparent;flex:1;min-width:0;
  }
  .phone-group input:focus{outline:none;}
  .form-check{display:flex;align-items:flex-start;gap:10px;font-size:13.5px;color:var(--muted);margin-bottom:22px;}
  .form-check input{margin-top:3px;}
  .form-note{
    margin-top:16px;font-size:13px;color:var(--muted);
  }
  .form-note-error{
    display:none;color:#D9534F;font-weight:700;margin-top:10px;
  }
  .form-note-error.visible{display:block;}
  /* Campo trampa anti-spam: oculto para personas (no display:none, para que
     los bots que sí lo respetan lo dejen vacío igual), visible solo para lectores automatizados. */
  .hp-field{
    position:absolute;left:-9999px;top:-9999px;width:1px;height:1px;overflow:hidden;
  }
  @media (max-width:860px){.contacto-grid{grid-template-columns:1fr;}}

  /* Footer */
  footer.site{background:var(--navy-deep);color:#BFD8F2;padding:56px 0 26px 0;overflow:hidden;}
  .foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,.14);}
  .foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
  .foot-brand img{width:38px;height:38px;}
  .foot-brand span{color:var(--white);font-weight:900;font-size:18px;}
  .foot-col h4{color:var(--white);font-size:13px;letter-spacing:.06em;text-transform:uppercase;margin-bottom:14px;}
  .foot-col a{display:block;color:#BFD8F2;font-size:14px;margin-bottom:10px;overflow-wrap:anywhere;word-break:break-word;}
  .foot-col a:hover{color:var(--white);}
  .social-row{display:flex;gap:10px;margin-top:16px;}
  .social-row a{
    width:34px;height:34px;border-radius:50%;background:rgba(255,255,255,.1);
    display:flex;align-items:center;justify-content:center;
  }
  .social-row svg{width:16px;height:16px;fill:var(--white);}
  .foot-bottom{
    display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;
    padding-top:22px;font-size:12.5px;color:#8FB3DA;
  }
  @media (max-width:760px){
    .foot-grid{grid-template-columns:1fr;gap:32px;}
    .foot-bottom{flex-direction:column;}
  }

  /* WhatsApp flotante */
  .wa-float{
    position:fixed;right:24px;bottom:24px;width:58px;height:58px;border-radius:50%;
    background:#25D366;display:flex;align-items:center;justify-content:center;
    box-shadow:0 10px 22px rgba(0,0,0,.25);z-index:50;
  }
  .wa-float svg{width:30px;height:30px;}
  .placeholder-text{color:var(--muted);font-style:italic;}

  /* Página de gracias */
  .gracias{
    padding:96px 0 100px;
    background:linear-gradient(160deg, var(--navy-deep) 0%, var(--navy) 65%, var(--navy) 100%);
  }
  .gracias-box{
    max-width:640px;margin:0 auto;text-align:center;color:var(--white);
  }
  .gracias-icon{
    width:84px;height:84px;border-radius:50%;background:rgba(0,169,251,.18);
    display:flex;align-items:center;justify-content:center;margin:0 auto 22px;
    color:#7FD4FE;
  }
  .gracias-icon svg{width:42px;height:42px;}
  .gracias h1{color:var(--white);margin-bottom:14px;}
  .gracias .lead{color:#DCEBFB;max-width:54ch;margin:0 auto 30px;}
  .gracias .cta-row{display:flex;gap:16px;flex-wrap:wrap;justify-content:center;}
  @media (max-width:560px){
    .gracias{padding:72px 0 80px;}
    .cta-row{flex-direction:column;align-items:stretch;}
  }

  /* ------------------------------------------------------------------ */
  /* Página de Galería                                                   */
  /* ------------------------------------------------------------------ */
  .galeria-hero{
    padding:64px 0 56px;text-align:center;
    background:linear-gradient(160deg, var(--navy-deep) 0%, var(--navy) 65%, var(--navy) 100%);
    color:var(--white);
  }
  .galeria-hero h1{color:var(--white);margin-bottom:10px;}
  .galeria-hero .lead{color:#DCEBFB;max-width:60ch;margin:0 auto;font-size:17px;}

  .galeria-section{background:var(--paper);padding-top:56px;}

  .galeria-filtros{
    display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-bottom:36px;
  }
  .filtro-chip{
    font-family:inherit;font-size:13.5px;font-weight:700;color:var(--navy);
    background:var(--white);border:1px solid var(--line);border-radius:999px;
    padding:9px 18px;cursor:pointer;transition:background .15s ease, color .15s ease, border-color .15s ease;
  }
  .filtro-chip:hover{border-color:var(--accent);color:var(--accent);}
  .filtro-chip.is-active{background:var(--accent);border-color:var(--accent);color:var(--white);}

  .galeria-grid{
    column-count:2;column-gap:14px;
  }
  .galeria-item{
    break-inside:avoid;margin:0 0 14px 0;
  }
  .galeria-thumb-btn{
    display:block;width:100%;padding:0;margin:0;border:1px solid var(--line);border-radius:var(--radius);
    overflow:hidden;background:var(--sky-soft);cursor:pointer;box-shadow:0 1px 3px rgba(1,35,89,.06);
    transition:box-shadow .2s ease, transform .2s ease;
  }
  .galeria-thumb-btn:hover, .galeria-thumb-btn:focus-visible{
    box-shadow:0 10px 22px rgba(1,35,89,.16);transform:translateY(-2px);
    outline:2px solid var(--accent);outline-offset:2px;
  }
  .galeria-thumb-btn img{width:100%;height:auto;display:block;}

  .galeria-vacio{text-align:center;color:var(--muted);padding:40px 0;}

  @media (min-width:700px){
    .galeria-grid{column-count:3;column-gap:18px;}
    .galeria-item{margin-bottom:18px;}
  }
  @media (min-width:1024px){
    .galeria-grid{column-count:4;}
  }

  .galeria-cta{background:var(--sky-soft);padding:64px 0;}
  .galeria-cta-box{max-width:560px;margin:0 auto;text-align:center;}
  .galeria-cta-box .lead{color:var(--muted);margin-bottom:26px;}

  /* Lightbox */
  .lightbox{
    position:fixed;inset:0;z-index:200;background:rgba(1,23,56,.94);
    display:flex;align-items:center;justify-content:center;padding:28px;
  }
  .lightbox[hidden]{display:none;}
  .lb-figure{margin:0;max-width:92vw;max-height:92vh;display:flex;flex-direction:column;align-items:center;}
  .lb-figure img{
    max-width:100%;max-height:78vh;width:auto;height:auto;border-radius:8px;
    box-shadow:0 20px 50px rgba(0,0,0,.4);display:block;
  }
  .lb-figure figcaption{
    color:var(--white);font-size:14px;margin-top:16px;text-align:center;max-width:60ch;opacity:.9;
  }
  .lb-close, .lb-arrow{
    position:fixed;display:flex;align-items:center;justify-content:center;
    width:44px;height:44px;border-radius:50%;border:none;cursor:pointer;
    background:rgba(255,255,255,.14);color:var(--white);transition:background .15s ease;
  }
  .lb-close:hover, .lb-arrow:hover{background:rgba(255,255,255,.28);}
  .lb-close svg, .lb-arrow svg{width:22px;height:22px;}
  .lb-close{top:20px;right:20px;}
  .lb-prev{left:16px;top:50%;transform:translateY(-50%);}
  .lb-next{right:16px;top:50%;transform:translateY(-50%);}
  @media (max-width:700px){
    .lb-close{top:12px;right:12px;width:38px;height:38px;}
    .lb-prev{left:8px;width:38px;height:38px;}
    .lb-next{right:8px;width:38px;height:38px;}
    .lb-figure img{max-height:66vh;}
  }