:root{
    --ink:#1A3A2A;
    --ink-deep:#0F241A;
    --gold:#B8962E;              /* decorativo: sellos, puntos, viñetas */
    --gold-text:#806619;         /* texto dorado sobre fondo claro — 4.83:1, cumple WCAG AA */
    --gold-soft:#D4B65C;
    --cream:#F5F0E8;
    --paper-line: rgba(26,58,42,0.08);
    --paper-line-strong: rgba(26,58,42,0.18);
    --white:#FFFFFF;
    --max: 1180px;
  }
  *{box-sizing:border-box;}
  html{scroll-behavior:smooth;}

  /* el header sticky mide ~64px: evita que tape el título de la sección destino */
  section[id]{scroll-margin-top:84px;}
  body{
    margin:0;
    background:var(--cream);
    color:var(--ink-deep);
    font-family:'Public Sans', sans-serif;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;}
  a{color:inherit;}

  /* blueprint grid paper texture */
  .grid-paper{
    background-image:
      linear-gradient(var(--paper-line) 1px, transparent 1px),
      linear-gradient(90deg, var(--paper-line) 1px, transparent 1px);
    background-size: 28px 28px;
  }

  .wrap{max-width:var(--max); margin:0 auto; padding:0 28px;}

  .eyebrow-mono{
    font-family:'IBM Plex Mono', monospace;
    font-size:12.5px;
    letter-spacing:0.14em;
    text-transform:uppercase;
    color:var(--ink);
    display:inline-flex;
    align-items:center;
    gap:8px;
  }
  .eyebrow-mono::before{
    content:"";
    width:8px;height:8px;
    background:var(--gold);
    display:inline-block;
    transform:rotate(45deg);
  }

  h1,h2,h3{
    font-family:'Big Shoulders Display', sans-serif;
    text-transform:uppercase;
    color:var(--ink-deep);
    margin:0;
    line-height:0.96;
  }

  /* ---------- HEADER ---------- */
  header{
    position:sticky; top:0; z-index:50;
    background:rgba(245,240,232,0.92);
    backdrop-filter:blur(6px);
    border-bottom:1px dashed var(--paper-line-strong);
  }
  .header-inner{
    display:flex; align-items:center; justify-content:space-between;
    /* OJO: usar `padding:16px 0` aquí pisaba el `padding:0 28px` de .wrap
       y dejaba el logo y el botón MENÚ pegados a los bordes de la pantalla. */
    padding-top:16px;
    padding-bottom:16px;
  }
  .logo{
    font-family:'Big Shoulders Display', sans-serif;
    font-weight:900;
    font-size:26px;
    letter-spacing:0.02em;
    color:var(--ink-deep);
    text-decoration:none;
    display:flex; align-items:center; gap:10px;
  }
  .logo .dot{width:10px;height:10px;background:var(--gold);border-radius:50%;}
  nav{display:flex; align-items:center; gap:28px;}
  nav a.navlink{
    font-family:'IBM Plex Mono', monospace;
    font-size:13px;
    text-decoration:none;
    color:var(--ink);
    letter-spacing:0.03em;
  }
  .phone-pill{
    font-family:'IBM Plex Mono', monospace;
    font-size:13px;
    background:var(--ink-deep);
    color:var(--cream);
    padding:9px 16px;
    text-decoration:none;
    border-radius:2px;
    white-space:nowrap;
  }
  .menu-toggle{display:none;}

  /* ---------- HERO ---------- */
  .hero{
    padding:72px 0 60px;
    position:relative;
    overflow:hidden;
  }
  .hero-grid{
    display:grid;
    grid-template-columns:1.15fr 0.85fr;
    gap:48px;
    align-items:center;
  }
  .hero h1{font-size:clamp(38px, 5.4vw, 66px); font-weight:900;}
  .hero h1 .accent{color:var(--ink); position:relative;}
  .hero p.lede{
    font-size:17px; line-height:1.6; color:#3a4a40;
    max-width:46ch; margin-top:22px;
  }
  .hero-eyebrow{margin-bottom:18px;}
  .cta-row{display:flex; align-items:center; gap:18px; margin-top:32px; flex-wrap:wrap;}
  .btn-stamp{
    font-family:'IBM Plex Mono', monospace;
    font-weight:500;
    font-size:14px;
    letter-spacing:0.04em;
    background:var(--ink-deep);
    color:var(--cream);
    border:none;
    padding:15px 26px;
    text-decoration:none;
    display:inline-flex;
    align-items:center;
    gap:10px;
    cursor:pointer;
    transition:transform 0.15s ease, background 0.15s ease;
  }
  .btn-stamp:hover{background:var(--ink); transform:translateY(-2px);}
  .btn-ghost{
    font-family:'IBM Plex Mono', monospace;
    font-size:13px;
    color:var(--ink-deep);
    text-decoration:none;
    border-bottom:1px solid var(--ink-deep);
    padding-bottom:2px;
  }

  /* stamp graphic */
  .stamp-zone{position:relative; display:flex; align-items:center; justify-content:center; min-height:280px;}
  .dimension-line{
    position:absolute;
    font-family:'IBM Plex Mono', monospace;
    font-size:11px;
    color:var(--ink);
    letter-spacing:0.05em;
  }
  .dimension-line .tick{border-top:1px dashed var(--paper-line-strong); display:block; width:60px; margin-bottom:4px;}
  .dl-1{top:6%; left:-4%;}
  .dl-2{bottom:10%; left:2%;}
  .dl-3{top:44%; right:-6%; text-align:right;}

  #stamp-svg{
    width:min(280px, 70vw);
    height:auto;
    opacity:0;
    transform:scale(1.6) rotate(-18deg);
    transition: opacity 0.5s ease, transform 0.55s cubic-bezier(.2,.9,.3,1.2);
  }
  #stamp-svg.stamped{
    opacity:1;
    transform:scale(1) rotate(-9deg);
  }

  /* ---------- SECTION LABELS ---------- */
  .section{padding:88px 0;}
  .section-head{max-width:640px; margin-bottom:52px;}
  .section-head h2{font-size:clamp(30px,4vw,44px); font-weight:800; margin-top:14px;}
  .section-head p{font-size:15.5px; color:#3a4a40; margin-top:14px; line-height:1.6;}

  /* ---------- SERVICIOS ---------- */
  .services{background:var(--white); border-top:1px dashed var(--paper-line-strong); border-bottom:1px dashed var(--paper-line-strong);}
  .service-grid{
    display:grid;
    grid-template-columns:repeat(3, 1fr);
    gap:1px;
    background:var(--paper-line-strong);
    border:1px dashed var(--paper-line-strong);
  }
  .service-card{
    background:var(--cream);
    padding:32px 26px 30px;
    min-height:230px;
    display:flex; flex-direction:column;
  }
  .service-card .code{
    font-family:'IBM Plex Mono', monospace;
    font-size:11.5px;
    color:var(--gold-text);
    letter-spacing:0.1em;
    margin-bottom:18px;
  }
  .service-card .icon{width:34px; height:34px; margin-bottom:16px; color:var(--ink-deep);}
  .service-card h3{font-size:20px; font-weight:700; text-transform:none; font-family:'Public Sans'; letter-spacing:0; color:var(--ink-deep); margin-bottom:10px;}
  .service-card p{font-size:14px; line-height:1.55; color:#4a584e; margin:0;}

  /* ---------- TRABAJOS ---------- */
  .work-grid{
    display:grid;
    grid-template-columns:repeat(6,1fr);
    grid-auto-rows:150px;
    gap:6px;
  }
  /* Mosaico editorial que llena las 3 bandas completas (6 fotos, 6 columnas):
     fila 1-2 -> 1 foto grande (3 col x 2 filas) + 2 fotos (3 col c/u)
     fila 3   -> 3 fotos (2 col c/u)                                        */
  .work-grid > *{grid-column:span 2;}
  .work-grid > *:nth-child(1){grid-column:span 3; grid-row:span 2;}
  .work-grid > *:nth-child(2),
  .work-grid > *:nth-child(3){grid-column:span 3;}
  .work-item{
    position:relative;
    overflow:hidden;
    display:block;
    margin:0;
    filter:grayscale(65%) contrast(1.02);
    transition:filter 0.35s ease;
  }
  .work-item img{width:100%;height:100%;object-fit:cover;}
  .work-item:hover{filter:grayscale(0%);}
  .work-item::after{
    content:"";
    position:absolute; inset:0;
    border:1px solid rgba(245,240,232,0.25);
  }

  /* ---------- NOSOTROS ---------- */
  .nosotros{background:var(--ink-deep); color:var(--cream);}
  .nosotros .section-head h2{color:var(--cream);}
  .nosotros .section-head p{color:#c7d2c9;}
  .nosotros .eyebrow-mono{color:var(--gold-soft);}
  .nosotros .eyebrow-mono::before{background:var(--gold-soft);}
  .credential-box{
    border:1px dashed rgba(245,240,232,0.35);
    padding:28px 30px;
    margin-bottom:44px;
    display:flex; align-items:center; gap:22px; flex-wrap:wrap;
  }
  .credential-box .seal-mini{width:52px;height:52px;flex-shrink:0;color:var(--gold-soft);}
  .credential-box .cred-num{
    font-family:'IBM Plex Mono', monospace;
    color:var(--gold-soft);
    font-size:13px;
    letter-spacing:0.05em;
  }
  /* ---------- CONTACTO / FOOTER ---------- */
  .contact{background:var(--ink); color:var(--cream); padding:80px 0 40px;}
  .contact-grid{display:grid; grid-template-columns:1.2fr 1fr; gap:48px;}
  .contact h2{color:var(--cream); font-size:clamp(30px,4vw,46px);}
  .contact p.lede{color:#d7e0d9; max-width:44ch; margin-top:18px; font-size:15.5px; line-height:1.6;}
  .contact-detail{
    font-family:'IBM Plex Mono', monospace;
    font-size:14.5px;
    display:flex; flex-direction:column; gap:14px;
    border-left:1px dashed rgba(245,240,232,0.3);
    padding-left:24px;
  }
  .contact-detail a{text-decoration:none;}
  .contact-detail .label{color:var(--gold-soft); font-size:11px; letter-spacing:0.1em; text-transform:uppercase; display:block; margin-bottom:3px;}
  /* ---------- FORMULARIO ---------- */
  .form{margin-top:34px;}
  .hp{position:absolute; left:-9999px; width:1px; height:1px; overflow:hidden;}
  .form-row{display:grid; grid-template-columns:1fr 1fr; gap:16px;}
  .field{display:flex; flex-direction:column; margin-bottom:16px;}
  .field label{
    font-family:'IBM Plex Mono', monospace;
    font-size:11px;
    letter-spacing:0.1em;
    text-transform:uppercase;
    color:var(--gold-soft);
    margin-bottom:7px;
  }
  .field label abbr{color:var(--gold-soft); text-decoration:none; border:0;}
  .field input,
  .field select,
  .field textarea{
    font-family:'Public Sans', sans-serif;
    font-size:15px;
    color:var(--cream);
    background:rgba(15,36,26,0.45);
    border:1px solid rgba(245,240,232,0.45); /* 3.53:1 — WCAG 1.4.11 (bordes de controles) */
    border-radius:2px;
    padding:12px 14px;
    width:100%;
    transition:border-color 0.15s ease, background 0.15s ease;
  }
  .field textarea{resize:vertical; min-height:112px; line-height:1.5;}
  .field input::placeholder,
  .field textarea::placeholder{color:rgba(245,240,232,0.62);} /* 5.75:1 — legible, no decorativo */
  .field select{
    appearance:none;
    /* flecha dibujada en el propio fondo: sin dependencias externas */
    background-image:linear-gradient(45deg,transparent 50%,var(--gold-soft) 50%),
                     linear-gradient(135deg,var(--gold-soft) 50%,transparent 50%);
    background-position:calc(100% - 19px) calc(50% + 2px), calc(100% - 13px) calc(50% + 2px);
    background-size:6px 6px, 6px 6px;
    background-repeat:no-repeat;
    padding-right:40px;
  }
  .field select option{background:var(--ink-deep); color:var(--cream);}
  .field input:hover,
  .field select:hover,
  .field textarea:hover{border-color:rgba(245,240,232,0.7);}
  .field input:focus,
  .field select:focus,
  .field textarea:focus{
    outline:2px solid var(--gold-soft);
    outline-offset:1px;
    border-color:transparent;
    background:rgba(15,36,26,0.7);
  }
  .field input:invalid:not(:placeholder-shown),
  .field textarea:invalid:not(:placeholder-shown){border-color:#E8A0A0;}
  .form-submit{margin-top:8px; border:none; font-family:'IBM Plex Mono', monospace;}
  .form-submit:focus-visible{outline:2px solid var(--gold-soft); outline-offset:3px;}
  .contact .form-submit{background:var(--cream); color:var(--ink-deep);}
  .contact .form-submit:hover{background:var(--gold-soft); color:var(--ink-deep);}
  .form-note{
    font-size:12.5px;
    color:#b9c9bd;
    margin:14px 0 0;
    line-height:1.5;
    max-width:52ch;
  }

  .social-row{display:flex; gap:16px; margin-top:26px;}
  .social-row a{
    width:38px;height:38px; border:1px solid rgba(245,240,232,0.3);
    display:flex; align-items:center; justify-content:center;
    text-decoration:none; color:var(--cream);
  }
  .foot-bottom{
    margin-top:64px; padding-top:24px;
    border-top:1px dashed rgba(245,240,232,0.25);
    display:flex; justify-content:space-between; flex-wrap:wrap; gap:10px;
    font-family:'IBM Plex Mono', monospace; font-size:12px; color:#a9bcae;
  }

  @media (max-width:860px){
    .hero-grid{grid-template-columns:1fr;}
    .stamp-zone{order:-1; min-height:200px;}
    .dimension-line{display:none;}
    .service-grid{grid-template-columns:1fr 1fr;}
    .contact-grid{grid-template-columns:1fr;}
    .contact-detail{border-left:0; border-top:1px dashed rgba(245,240,232,0.3); padding-left:0; padding-top:28px;}
    .work-grid{grid-template-columns:repeat(2,1fr); grid-auto-rows:130px;}
    .work-grid > *{grid-column:span 1 !important; grid-row:span 1 !important;}
    nav{position:fixed; top:64px; left:0; right:0; background:var(--cream); flex-direction:column; padding:20px 28px; border-bottom:1px dashed var(--paper-line-strong); display:none; gap:16px; align-items:flex-start;}
    nav.open{display:flex;}
    .menu-toggle{display:block; background:none; border:1px solid var(--ink-deep); font-family:'IBM Plex Mono'; font-size:12px; padding:8px 12px;}
  }
  @media (max-width:560px){
    .service-grid{grid-template-columns:1fr;}
    .form-row{grid-template-columns:1fr; gap:0;}
  }

  @media (prefers-reduced-motion: reduce){
    html{scroll-behavior:auto;}
    #stamp-svg{transition:none;}
  }